blob: 584e170fbabb496bf170cb31322f009aba607f96 [file] [log] [blame]
Eric Laurente552edb2014-03-10 17:42:56 -07001/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Eric Laurente0720872014-03-11 09:30:41 -070017#define LOG_TAG "AudioPolicyManager"
Eric Laurente552edb2014-03-10 17:42:56 -070018//#define LOG_NDEBUG 0
19
20//#define VERY_VERBOSE_LOGGING
21#ifdef VERY_VERBOSE_LOGGING
22#define ALOGVV ALOGV
23#else
24#define ALOGVV(a...) do { } while(0)
25#endif
26
27// A device mask for all audio input devices that are considered "virtual" when evaluating
28// active inputs in getActiveInput()
Hochi Huang327cb702014-09-21 09:47:31 +080029#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL (AUDIO_DEVICE_IN_REMOTE_SUBMIX|AUDIO_DEVICE_IN_FM_TUNER)
Eric Laurente552edb2014-03-10 17:42:56 -070030// A device mask for all audio output devices that are considered "remote" when evaluating
31// active output devices in isStreamActiveRemotely()
32#define APM_AUDIO_OUT_DEVICE_REMOTE_ALL AUDIO_DEVICE_OUT_REMOTE_SUBMIX
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -070033// A device mask for all audio input and output devices where matching inputs/outputs on device
34// type alone is not enough: the address must match too
35#define APM_AUDIO_DEVICE_MATCH_ADDRESS_ALL (AUDIO_DEVICE_IN_REMOTE_SUBMIX | \
36 AUDIO_DEVICE_OUT_REMOTE_SUBMIX)
Eric Laurente552edb2014-03-10 17:42:56 -070037
Eric Laurentd4692962014-05-05 18:13:44 -070038#include <inttypes.h>
Eric Laurente552edb2014-03-10 17:42:56 -070039#include <math.h>
Eric Laurentd4692962014-05-05 18:13:44 -070040
Eric Laurente552edb2014-03-10 17:42:56 -070041#include <cutils/properties.h>
Eric Laurentd4692962014-05-05 18:13:44 -070042#include <utils/Log.h>
43#include <hardware/audio.h>
44#include <hardware/audio_effect.h>
Eric Laurent3b73df72014-03-11 09:06:29 -070045#include <media/AudioParameter.h>
Eric Laurentdf3dc7e2014-07-27 18:39:40 -070046#include <soundtrigger/SoundTrigger.h>
Eric Laurentd4692962014-05-05 18:13:44 -070047#include "AudioPolicyManager.h"
Eric Laurent1afeecb2014-05-14 08:52:28 -070048#include "audio_policy_conf.h"
Eric Laurente552edb2014-03-10 17:42:56 -070049
Eric Laurent3b73df72014-03-11 09:06:29 -070050namespace android {
Eric Laurente552edb2014-03-10 17:42:56 -070051
52// ----------------------------------------------------------------------------
Eric Laurent3a4311c2014-03-17 12:00:47 -070053// Definitions for audio_policy.conf file parsing
54// ----------------------------------------------------------------------------
55
56struct StringToEnum {
57 const char *name;
58 uint32_t value;
59};
60
61#define STRING_TO_ENUM(string) { #string, string }
62#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
63
64const StringToEnum sDeviceNameToEnumTable[] = {
65 STRING_TO_ENUM(AUDIO_DEVICE_OUT_EARPIECE),
66 STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPEAKER),
Jon Eklund11c9fb12014-06-23 14:47:03 -050067 STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPEAKER_SAFE),
Eric Laurent3a4311c2014-03-17 12:00:47 -070068 STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADSET),
69 STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADPHONE),
70 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO),
71 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET),
72 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
73 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_SCO),
74 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP),
75 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES),
76 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
77 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_A2DP),
78 STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_DIGITAL),
Eric Laurent1b776232014-05-19 17:26:41 -070079 STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI),
Eric Laurent3a4311c2014-03-17 12:00:47 -070080 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET),
81 STRING_TO_ENUM(AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET),
82 STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_ACCESSORY),
83 STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_DEVICE),
84 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_USB),
85 STRING_TO_ENUM(AUDIO_DEVICE_OUT_REMOTE_SUBMIX),
Eric Laurent1b776232014-05-19 17:26:41 -070086 STRING_TO_ENUM(AUDIO_DEVICE_OUT_TELEPHONY_TX),
87 STRING_TO_ENUM(AUDIO_DEVICE_OUT_LINE),
88 STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI_ARC),
89 STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPDIF),
90 STRING_TO_ENUM(AUDIO_DEVICE_OUT_FM),
Eric Laurente1d37b72014-07-29 10:26:26 -070091 STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_LINE),
Eric Laurenta57ab8d2014-07-30 10:01:42 -050092 STRING_TO_ENUM(AUDIO_DEVICE_IN_AMBIENT),
Eric Laurent3a4311c2014-03-17 12:00:47 -070093 STRING_TO_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
94 STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
95 STRING_TO_ENUM(AUDIO_DEVICE_IN_ALL_SCO),
96 STRING_TO_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET),
97 STRING_TO_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL),
Eric Laurent1b776232014-05-19 17:26:41 -070098 STRING_TO_ENUM(AUDIO_DEVICE_IN_HDMI),
Eric Laurent1b776232014-05-19 17:26:41 -070099 STRING_TO_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX),
Eric Laurentc2730ba2014-07-20 15:47:07 -0700100 STRING_TO_ENUM(AUDIO_DEVICE_IN_VOICE_CALL),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700101 STRING_TO_ENUM(AUDIO_DEVICE_IN_BACK_MIC),
102 STRING_TO_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX),
103 STRING_TO_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET),
104 STRING_TO_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
105 STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY),
Eric Laurentd4692962014-05-05 18:13:44 -0700106 STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_DEVICE),
Eric Laurent1b776232014-05-19 17:26:41 -0700107 STRING_TO_ENUM(AUDIO_DEVICE_IN_FM_TUNER),
108 STRING_TO_ENUM(AUDIO_DEVICE_IN_TV_TUNER),
109 STRING_TO_ENUM(AUDIO_DEVICE_IN_LINE),
110 STRING_TO_ENUM(AUDIO_DEVICE_IN_SPDIF),
Mike Lockwood41b0e242014-05-13 15:23:35 -0700111 STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP),
Terry Heo7999a222014-06-27 15:23:36 +0900112 STRING_TO_ENUM(AUDIO_DEVICE_IN_LOOPBACK),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700113};
114
Eric Laurent5dbe4712014-09-19 19:04:57 -0700115const StringToEnum sOutputFlagNameToEnumTable[] = {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700116 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DIRECT),
117 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_PRIMARY),
118 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_FAST),
119 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DEEP_BUFFER),
120 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD),
121 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_NON_BLOCKING),
Eric Laurent93c3d412014-08-01 14:48:35 -0700122 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_HW_AV_SYNC),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700123};
124
Eric Laurent5dbe4712014-09-19 19:04:57 -0700125const StringToEnum sInputFlagNameToEnumTable[] = {
126 STRING_TO_ENUM(AUDIO_INPUT_FLAG_FAST),
127 STRING_TO_ENUM(AUDIO_INPUT_FLAG_HW_HOTWORD),
128};
129
Eric Laurent3a4311c2014-03-17 12:00:47 -0700130const StringToEnum sFormatNameToEnumTable[] = {
131 STRING_TO_ENUM(AUDIO_FORMAT_PCM_16_BIT),
132 STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_BIT),
133 STRING_TO_ENUM(AUDIO_FORMAT_PCM_32_BIT),
134 STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_24_BIT),
135 STRING_TO_ENUM(AUDIO_FORMAT_PCM_FLOAT),
136 STRING_TO_ENUM(AUDIO_FORMAT_PCM_24_BIT_PACKED),
137 STRING_TO_ENUM(AUDIO_FORMAT_MP3),
138 STRING_TO_ENUM(AUDIO_FORMAT_AAC),
aarti jadhav-gaikwad2829edc2014-06-18 15:25:26 +0530139 STRING_TO_ENUM(AUDIO_FORMAT_AAC_MAIN),
140 STRING_TO_ENUM(AUDIO_FORMAT_AAC_LC),
141 STRING_TO_ENUM(AUDIO_FORMAT_AAC_SSR),
142 STRING_TO_ENUM(AUDIO_FORMAT_AAC_LTP),
143 STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V1),
144 STRING_TO_ENUM(AUDIO_FORMAT_AAC_SCALABLE),
145 STRING_TO_ENUM(AUDIO_FORMAT_AAC_ERLC),
146 STRING_TO_ENUM(AUDIO_FORMAT_AAC_LD),
147 STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V2),
148 STRING_TO_ENUM(AUDIO_FORMAT_AAC_ELD),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700149 STRING_TO_ENUM(AUDIO_FORMAT_VORBIS),
Eric Laurentab5cdba2014-06-09 17:22:27 -0700150 STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V1),
151 STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V2),
152 STRING_TO_ENUM(AUDIO_FORMAT_OPUS),
153 STRING_TO_ENUM(AUDIO_FORMAT_AC3),
154 STRING_TO_ENUM(AUDIO_FORMAT_E_AC3),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700155};
156
157const StringToEnum sOutChannelsNameToEnumTable[] = {
158 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_MONO),
159 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_STEREO),
Andy Hung3a0fe122014-07-29 17:56:46 -0700160 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_QUAD),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700161 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_5POINT1),
162 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_7POINT1),
163};
164
165const StringToEnum sInChannelsNameToEnumTable[] = {
166 STRING_TO_ENUM(AUDIO_CHANNEL_IN_MONO),
167 STRING_TO_ENUM(AUDIO_CHANNEL_IN_STEREO),
168 STRING_TO_ENUM(AUDIO_CHANNEL_IN_FRONT_BACK),
169};
170
Eric Laurent1afeecb2014-05-14 08:52:28 -0700171const StringToEnum sGainModeNameToEnumTable[] = {
172 STRING_TO_ENUM(AUDIO_GAIN_MODE_JOINT),
173 STRING_TO_ENUM(AUDIO_GAIN_MODE_CHANNELS),
174 STRING_TO_ENUM(AUDIO_GAIN_MODE_RAMP),
175};
176
Eric Laurent3a4311c2014-03-17 12:00:47 -0700177
178uint32_t AudioPolicyManager::stringToEnum(const struct StringToEnum *table,
179 size_t size,
180 const char *name)
181{
182 for (size_t i = 0; i < size; i++) {
183 if (strcmp(table[i].name, name) == 0) {
184 ALOGV("stringToEnum() found %s", table[i].name);
185 return table[i].value;
186 }
187 }
188 return 0;
189}
190
191const char *AudioPolicyManager::enumToString(const struct StringToEnum *table,
192 size_t size,
193 uint32_t value)
194{
195 for (size_t i = 0; i < size; i++) {
196 if (table[i].value == value) {
197 return table[i].name;
198 }
199 }
200 return "";
201}
202
203bool AudioPolicyManager::stringToBool(const char *value)
204{
205 return ((strcasecmp("true", value) == 0) || (strcmp("1", value) == 0));
206}
207
208
209// ----------------------------------------------------------------------------
Eric Laurente552edb2014-03-10 17:42:56 -0700210// AudioPolicyInterface implementation
211// ----------------------------------------------------------------------------
212
213
Eric Laurente0720872014-03-11 09:30:41 -0700214status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
Eric Laurent3b73df72014-03-11 09:06:29 -0700215 audio_policy_dev_state_t state,
Eric Laurente552edb2014-03-10 17:42:56 -0700216 const char *device_address)
217{
Eric Laurent22226012014-08-01 17:00:54 -0700218 String8 address = (device_address == NULL) ? String8("") : String8(device_address);
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -0700219 // handle legacy remote submix case where the address was not always specified
220 if (deviceDistinguishesOnAddress(device) && (address.length() == 0)) {
221 address = String8("0");
222 }
Eric Laurente552edb2014-03-10 17:42:56 -0700223
Eric Laurent22226012014-08-01 17:00:54 -0700224 ALOGV("setDeviceConnectionState() device: %x, state %d, address %s",
225 device, state, address.string());
Eric Laurente552edb2014-03-10 17:42:56 -0700226
227 // connect/disconnect only 1 device at a time
228 if (!audio_is_output_device(device) && !audio_is_input_device(device)) return BAD_VALUE;
229
Eric Laurente552edb2014-03-10 17:42:56 -0700230 // handle output devices
231 if (audio_is_output_device(device)) {
Eric Laurentd4692962014-05-05 18:13:44 -0700232 SortedVector <audio_io_handle_t> outputs;
233
Eric Laurent1afeecb2014-05-14 08:52:28 -0700234 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
235 devDesc->mAddress = address;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700236 ssize_t index = mAvailableOutputDevices.indexOf(devDesc);
237
Eric Laurente552edb2014-03-10 17:42:56 -0700238 // save a copy of the opened output descriptors before any output is opened or closed
239 // by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies()
240 mPreviousOutputs = mOutputs;
Eric Laurente552edb2014-03-10 17:42:56 -0700241 switch (state)
242 {
243 // handle output device connection
Eric Laurent3b73df72014-03-11 09:06:29 -0700244 case AUDIO_POLICY_DEVICE_STATE_AVAILABLE:
Eric Laurent3a4311c2014-03-17 12:00:47 -0700245 if (index >= 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700246 ALOGW("setDeviceConnectionState() device already connected: %x", device);
247 return INVALID_OPERATION;
248 }
249 ALOGV("setDeviceConnectionState() connecting device %x", device);
250
Eric Laurente552edb2014-03-10 17:42:56 -0700251 // register new device as available
Eric Laurent3a4311c2014-03-17 12:00:47 -0700252 index = mAvailableOutputDevices.add(devDesc);
253 if (index >= 0) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700254 sp<HwModule> module = getModuleForDevice(device);
Eric Laurentcf817a22014-08-04 20:36:31 -0700255 if (module == 0) {
256 ALOGD("setDeviceConnectionState() could not find HW module for device %08x",
257 device);
258 mAvailableOutputDevices.remove(devDesc);
259 return INVALID_OPERATION;
260 }
261 mAvailableOutputDevices[index]->mId = nextUniqueId();
Eric Laurent6a94d692014-05-20 11:18:06 -0700262 mAvailableOutputDevices[index]->mModule = module;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700263 } else {
264 return NO_MEMORY;
Eric Laurente552edb2014-03-10 17:42:56 -0700265 }
266
Jean-Michel Trivif17026d2014-08-10 14:30:48 -0700267 if (checkOutputsForDevice(devDesc, state, outputs, address) != NO_ERROR) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -0700268 mAvailableOutputDevices.remove(devDesc);
269 return INVALID_OPERATION;
270 }
271 // outputs should never be empty here
272 ALOG_ASSERT(outputs.size() != 0, "setDeviceConnectionState():"
273 "checkOutputsForDevice() returned no outputs but status OK");
274 ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %zu outputs",
275 outputs.size());
Eric Laurente552edb2014-03-10 17:42:56 -0700276 break;
277 // handle output device disconnection
Eric Laurent3b73df72014-03-11 09:06:29 -0700278 case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700279 if (index < 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700280 ALOGW("setDeviceConnectionState() device not connected: %x", device);
281 return INVALID_OPERATION;
282 }
283
Paul McLean5c477aa2014-08-20 16:47:57 -0700284 ALOGV("setDeviceConnectionState() disconnecting output device %x", device);
285
286 // Set Disconnect to HALs
287 AudioParameter param = AudioParameter(address);
288 param.addInt(String8(AUDIO_PARAMETER_DEVICE_DISCONNECT), device);
289 mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
290
Eric Laurente552edb2014-03-10 17:42:56 -0700291 // remove device from available output devices
Eric Laurent3a4311c2014-03-17 12:00:47 -0700292 mAvailableOutputDevices.remove(devDesc);
Eric Laurente552edb2014-03-10 17:42:56 -0700293
Jean-Michel Trivif17026d2014-08-10 14:30:48 -0700294 checkOutputsForDevice(devDesc, state, outputs, address);
Eric Laurente552edb2014-03-10 17:42:56 -0700295 } break;
296
297 default:
298 ALOGE("setDeviceConnectionState() invalid state: %x", state);
299 return BAD_VALUE;
300 }
301
Eric Laurent3a4311c2014-03-17 12:00:47 -0700302 // checkA2dpSuspend must run before checkOutputForAllStrategies so that A2DP
303 // output is suspended before any tracks are moved to it
Eric Laurente552edb2014-03-10 17:42:56 -0700304 checkA2dpSuspend();
305 checkOutputForAllStrategies();
306 // outputs must be closed after checkOutputForAllStrategies() is executed
307 if (!outputs.isEmpty()) {
308 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700309 sp<AudioOutputDescriptor> desc = mOutputs.valueFor(outputs[i]);
Eric Laurente552edb2014-03-10 17:42:56 -0700310 // close unused outputs after device disconnection or direct outputs that have been
311 // opened by checkOutputsForDevice() to query dynamic parameters
Eric Laurent3b73df72014-03-11 09:06:29 -0700312 if ((state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) ||
Eric Laurente552edb2014-03-10 17:42:56 -0700313 (((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) &&
314 (desc->mDirectOpenCount == 0))) {
315 closeOutput(outputs[i]);
316 }
317 }
Eric Laurent3a4311c2014-03-17 12:00:47 -0700318 // check again after closing A2DP output to reset mA2dpSuspended if needed
319 checkA2dpSuspend();
Eric Laurente552edb2014-03-10 17:42:56 -0700320 }
321
322 updateDevicesAndOutputs();
Eric Laurentc2730ba2014-07-20 15:47:07 -0700323 if (mPhoneState == AUDIO_MODE_IN_CALL) {
324 audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
325 updateCallRouting(newDevice);
326 }
Eric Laurente552edb2014-03-10 17:42:56 -0700327 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc2730ba2014-07-20 15:47:07 -0700328 audio_io_handle_t output = mOutputs.keyAt(i);
329 if ((mPhoneState != AUDIO_MODE_IN_CALL) || (output != mPrimaryOutput)) {
330 audio_devices_t newDevice = getNewOutputDevice(mOutputs.keyAt(i),
331 true /*fromCache*/);
332 // do not force device change on duplicated output because if device is 0, it will
333 // also force a device 0 for the two outputs it is duplicated to which may override
334 // a valid device selection on those outputs.
335 bool force = !mOutputs.valueAt(i)->isDuplicated()
336 && (!deviceDistinguishesOnAddress(device)
337 // always force when disconnecting (a non-duplicated device)
338 || (state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE));
339 setOutputDevice(output, newDevice, force, 0);
340 }
Eric Laurente552edb2014-03-10 17:42:56 -0700341 }
342
Eric Laurent72aa32f2014-05-30 18:51:48 -0700343 mpClientInterface->onAudioPortListUpdate();
Eric Laurentb71e58b2014-05-29 16:08:11 -0700344 return NO_ERROR;
Eric Laurentd4692962014-05-05 18:13:44 -0700345 } // end if is output device
346
Eric Laurente552edb2014-03-10 17:42:56 -0700347 // handle input devices
348 if (audio_is_input_device(device)) {
Eric Laurentd4692962014-05-05 18:13:44 -0700349 SortedVector <audio_io_handle_t> inputs;
350
Eric Laurent1afeecb2014-05-14 08:52:28 -0700351 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
352 devDesc->mAddress = address;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700353 ssize_t index = mAvailableInputDevices.indexOf(devDesc);
Eric Laurente552edb2014-03-10 17:42:56 -0700354 switch (state)
355 {
356 // handle input device connection
Eric Laurent3b73df72014-03-11 09:06:29 -0700357 case AUDIO_POLICY_DEVICE_STATE_AVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700358 if (index >= 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700359 ALOGW("setDeviceConnectionState() device already connected: %d", device);
360 return INVALID_OPERATION;
361 }
Eric Laurent1f2f2232014-06-02 12:01:23 -0700362 sp<HwModule> module = getModuleForDevice(device);
Eric Laurent6a94d692014-05-20 11:18:06 -0700363 if (module == NULL) {
364 ALOGW("setDeviceConnectionState(): could not find HW module for device %08x",
365 device);
366 return INVALID_OPERATION;
367 }
Eric Laurentd4692962014-05-05 18:13:44 -0700368 if (checkInputsForDevice(device, state, inputs, address) != NO_ERROR) {
369 return INVALID_OPERATION;
370 }
371
Eric Laurent3a4311c2014-03-17 12:00:47 -0700372 index = mAvailableInputDevices.add(devDesc);
373 if (index >= 0) {
374 mAvailableInputDevices[index]->mId = nextUniqueId();
Eric Laurent6a94d692014-05-20 11:18:06 -0700375 mAvailableInputDevices[index]->mModule = module;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700376 } else {
377 return NO_MEMORY;
378 }
Eric Laurentd4692962014-05-05 18:13:44 -0700379 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700380
381 // handle input device disconnection
Eric Laurent3b73df72014-03-11 09:06:29 -0700382 case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700383 if (index < 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700384 ALOGW("setDeviceConnectionState() device not connected: %d", device);
385 return INVALID_OPERATION;
386 }
Paul McLean5c477aa2014-08-20 16:47:57 -0700387
388 ALOGV("setDeviceConnectionState() disconnecting input device %x", device);
389
390 // Set Disconnect to HALs
391 AudioParameter param = AudioParameter(address);
392 param.addInt(String8(AUDIO_PARAMETER_DEVICE_DISCONNECT), device);
393 mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
394
Eric Laurentd4692962014-05-05 18:13:44 -0700395 checkInputsForDevice(device, state, inputs, address);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700396 mAvailableInputDevices.remove(devDesc);
Paul McLean5c477aa2014-08-20 16:47:57 -0700397
Eric Laurentd4692962014-05-05 18:13:44 -0700398 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700399
400 default:
401 ALOGE("setDeviceConnectionState() invalid state: %x", state);
402 return BAD_VALUE;
403 }
404
Eric Laurentd4692962014-05-05 18:13:44 -0700405 closeAllInputs();
Eric Laurente552edb2014-03-10 17:42:56 -0700406
Eric Laurentc2730ba2014-07-20 15:47:07 -0700407 if (mPhoneState == AUDIO_MODE_IN_CALL) {
408 audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
409 updateCallRouting(newDevice);
410 }
411
Eric Laurentb52c1522014-05-20 11:27:36 -0700412 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -0700413 return NO_ERROR;
Eric Laurentd4692962014-05-05 18:13:44 -0700414 } // end if is input device
Eric Laurente552edb2014-03-10 17:42:56 -0700415
416 ALOGW("setDeviceConnectionState() invalid device: %x", device);
417 return BAD_VALUE;
418}
419
Eric Laurente0720872014-03-11 09:30:41 -0700420audio_policy_dev_state_t AudioPolicyManager::getDeviceConnectionState(audio_devices_t device,
Eric Laurente552edb2014-03-10 17:42:56 -0700421 const char *device_address)
422{
Eric Laurent3b73df72014-03-11 09:06:29 -0700423 audio_policy_dev_state_t state = AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
Eric Laurent1afeecb2014-05-14 08:52:28 -0700424 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
Eric Laurent22226012014-08-01 17:00:54 -0700425 devDesc->mAddress = (device_address == NULL) ? String8("") : String8(device_address);
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -0700426 // handle legacy remote submix case where the address was not always specified
427 if (deviceDistinguishesOnAddress(device) && (devDesc->mAddress.length() == 0)) {
428 devDesc->mAddress = String8("0");
429 }
Eric Laurent3a4311c2014-03-17 12:00:47 -0700430 ssize_t index;
431 DeviceVector *deviceVector;
432
Eric Laurente552edb2014-03-10 17:42:56 -0700433 if (audio_is_output_device(device)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700434 deviceVector = &mAvailableOutputDevices;
Eric Laurente552edb2014-03-10 17:42:56 -0700435 } else if (audio_is_input_device(device)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700436 deviceVector = &mAvailableInputDevices;
437 } else {
438 ALOGW("getDeviceConnectionState() invalid device type %08x", device);
439 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
Eric Laurente552edb2014-03-10 17:42:56 -0700440 }
441
Eric Laurent3a4311c2014-03-17 12:00:47 -0700442 index = deviceVector->indexOf(devDesc);
443 if (index >= 0) {
444 return AUDIO_POLICY_DEVICE_STATE_AVAILABLE;
445 } else {
446 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
447 }
Eric Laurente552edb2014-03-10 17:42:56 -0700448}
449
Eric Laurentc2730ba2014-07-20 15:47:07 -0700450void AudioPolicyManager::updateCallRouting(audio_devices_t rxDevice, int delayMs)
451{
452 bool createTxPatch = false;
453 struct audio_patch patch;
454 patch.num_sources = 1;
455 patch.num_sinks = 1;
456 status_t status;
457 audio_patch_handle_t afPatchHandle;
458 DeviceVector deviceList;
459
460 audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
461 ALOGV("updateCallRouting device rxDevice %08x txDevice %08x", rxDevice, txDevice);
462
463 // release existing RX patch if any
464 if (mCallRxPatch != 0) {
465 mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
466 mCallRxPatch.clear();
467 }
468 // release TX patch if any
469 if (mCallTxPatch != 0) {
470 mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
471 mCallTxPatch.clear();
472 }
473
474 // If the RX device is on the primary HW module, then use legacy routing method for voice calls
475 // via setOutputDevice() on primary output.
476 // Otherwise, create two audio patches for TX and RX path.
477 if (availablePrimaryOutputDevices() & rxDevice) {
478 setOutputDevice(mPrimaryOutput, rxDevice, true, delayMs);
479 // If the TX device is also on the primary HW module, setOutputDevice() will take care
480 // of it due to legacy implementation. If not, create a patch.
481 if ((availablePrimaryInputDevices() & txDevice & ~AUDIO_DEVICE_BIT_IN)
482 == AUDIO_DEVICE_NONE) {
483 createTxPatch = true;
484 }
485 } else {
486 // create RX path audio patch
487 deviceList = mAvailableOutputDevices.getDevicesFromType(rxDevice);
488 ALOG_ASSERT(!deviceList.isEmpty(),
489 "updateCallRouting() selected device not in output device list");
490 sp<DeviceDescriptor> rxSinkDeviceDesc = deviceList.itemAt(0);
491 deviceList = mAvailableInputDevices.getDevicesFromType(AUDIO_DEVICE_IN_TELEPHONY_RX);
492 ALOG_ASSERT(!deviceList.isEmpty(),
493 "updateCallRouting() no telephony RX device");
494 sp<DeviceDescriptor> rxSourceDeviceDesc = deviceList.itemAt(0);
495
496 rxSourceDeviceDesc->toAudioPortConfig(&patch.sources[0]);
497 rxSinkDeviceDesc->toAudioPortConfig(&patch.sinks[0]);
498
499 // request to reuse existing output stream if one is already opened to reach the RX device
500 SortedVector<audio_io_handle_t> outputs =
501 getOutputsForDevice(rxDevice, mOutputs);
Eric Laurent8838a382014-09-08 16:44:28 -0700502 audio_io_handle_t output = selectOutput(outputs,
503 AUDIO_OUTPUT_FLAG_NONE,
504 AUDIO_FORMAT_INVALID);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700505 if (output != AUDIO_IO_HANDLE_NONE) {
506 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
507 ALOG_ASSERT(!outputDesc->isDuplicated(),
508 "updateCallRouting() RX device output is duplicated");
509 outputDesc->toAudioPortConfig(&patch.sources[1]);
510 patch.num_sources = 2;
511 }
512
513 afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
514 status = mpClientInterface->createAudioPatch(&patch, &afPatchHandle, 0);
515 ALOGW_IF(status != NO_ERROR, "updateCallRouting() error %d creating RX audio patch",
516 status);
517 if (status == NO_ERROR) {
518 mCallRxPatch = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
519 &patch, mUidCached);
520 mCallRxPatch->mAfPatchHandle = afPatchHandle;
521 mCallRxPatch->mUid = mUidCached;
522 }
523 createTxPatch = true;
524 }
525 if (createTxPatch) {
526
527 struct audio_patch patch;
528 patch.num_sources = 1;
529 patch.num_sinks = 1;
530 deviceList = mAvailableInputDevices.getDevicesFromType(txDevice);
531 ALOG_ASSERT(!deviceList.isEmpty(),
532 "updateCallRouting() selected device not in input device list");
533 sp<DeviceDescriptor> txSourceDeviceDesc = deviceList.itemAt(0);
534 txSourceDeviceDesc->toAudioPortConfig(&patch.sources[0]);
535 deviceList = mAvailableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_TELEPHONY_TX);
536 ALOG_ASSERT(!deviceList.isEmpty(),
537 "updateCallRouting() no telephony TX device");
538 sp<DeviceDescriptor> txSinkDeviceDesc = deviceList.itemAt(0);
539 txSinkDeviceDesc->toAudioPortConfig(&patch.sinks[0]);
540
541 SortedVector<audio_io_handle_t> outputs =
542 getOutputsForDevice(AUDIO_DEVICE_OUT_TELEPHONY_TX, mOutputs);
Eric Laurent8838a382014-09-08 16:44:28 -0700543 audio_io_handle_t output = selectOutput(outputs,
544 AUDIO_OUTPUT_FLAG_NONE,
545 AUDIO_FORMAT_INVALID);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700546 // request to reuse existing output stream if one is already opened to reach the TX
547 // path output device
548 if (output != AUDIO_IO_HANDLE_NONE) {
549 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
550 ALOG_ASSERT(!outputDesc->isDuplicated(),
551 "updateCallRouting() RX device output is duplicated");
552 outputDesc->toAudioPortConfig(&patch.sources[1]);
553 patch.num_sources = 2;
554 }
555
556 afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
557 status = mpClientInterface->createAudioPatch(&patch, &afPatchHandle, 0);
558 ALOGW_IF(status != NO_ERROR, "setPhoneState() error %d creating TX audio patch",
559 status);
560 if (status == NO_ERROR) {
561 mCallTxPatch = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
562 &patch, mUidCached);
563 mCallTxPatch->mAfPatchHandle = afPatchHandle;
564 mCallTxPatch->mUid = mUidCached;
565 }
566 }
567}
568
Eric Laurente0720872014-03-11 09:30:41 -0700569void AudioPolicyManager::setPhoneState(audio_mode_t state)
Eric Laurente552edb2014-03-10 17:42:56 -0700570{
571 ALOGV("setPhoneState() state %d", state);
Eric Laurent3b73df72014-03-11 09:06:29 -0700572 if (state < 0 || state >= AUDIO_MODE_CNT) {
Eric Laurente552edb2014-03-10 17:42:56 -0700573 ALOGW("setPhoneState() invalid state %d", state);
574 return;
575 }
576
577 if (state == mPhoneState ) {
578 ALOGW("setPhoneState() setting same state %d", state);
579 return;
580 }
581
582 // if leaving call state, handle special case of active streams
583 // pertaining to sonification strategy see handleIncallSonification()
584 if (isInCall()) {
585 ALOGV("setPhoneState() in call state management: new state is %d", state);
Eric Laurent3b73df72014-03-11 09:06:29 -0700586 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
587 handleIncallSonification((audio_stream_type_t)stream, false, true);
Eric Laurente552edb2014-03-10 17:42:56 -0700588 }
589 }
590
591 // store previous phone state for management of sonification strategy below
592 int oldState = mPhoneState;
593 mPhoneState = state;
594 bool force = false;
595
596 // are we entering or starting a call
597 if (!isStateInCall(oldState) && isStateInCall(state)) {
598 ALOGV(" Entering call in setPhoneState()");
599 // force routing command to audio hardware when starting a call
600 // even if no device change is needed
601 force = true;
602 for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
603 mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] =
604 sVolumeProfiles[AUDIO_STREAM_VOICE_CALL][j];
605 }
606 } else if (isStateInCall(oldState) && !isStateInCall(state)) {
607 ALOGV(" Exiting call in setPhoneState()");
608 // force routing command to audio hardware when exiting a call
609 // even if no device change is needed
610 force = true;
611 for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
612 mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] =
613 sVolumeProfiles[AUDIO_STREAM_DTMF][j];
614 }
615 } else if (isStateInCall(state) && (state != oldState)) {
616 ALOGV(" Switching between telephony and VoIP in setPhoneState()");
617 // force routing command to audio hardware when switching between telephony and VoIP
618 // even if no device change is needed
619 force = true;
620 }
621
622 // check for device and output changes triggered by new phone state
Eric Laurente552edb2014-03-10 17:42:56 -0700623 checkA2dpSuspend();
624 checkOutputForAllStrategies();
625 updateDevicesAndOutputs();
626
Eric Laurent1f2f2232014-06-02 12:01:23 -0700627 sp<AudioOutputDescriptor> hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
Eric Laurente552edb2014-03-10 17:42:56 -0700628
Eric Laurente552edb2014-03-10 17:42:56 -0700629 int delayMs = 0;
630 if (isStateInCall(state)) {
631 nsecs_t sysTime = systemTime();
632 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700633 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -0700634 // mute media and sonification strategies and delay device switch by the largest
635 // latency of any output where either strategy is active.
636 // This avoid sending the ring tone or music tail into the earpiece or headset.
637 if ((desc->isStrategyActive(STRATEGY_MEDIA,
638 SONIFICATION_HEADSET_MUSIC_DELAY,
639 sysTime) ||
640 desc->isStrategyActive(STRATEGY_SONIFICATION,
641 SONIFICATION_HEADSET_MUSIC_DELAY,
642 sysTime)) &&
643 (delayMs < (int)desc->mLatency*2)) {
644 delayMs = desc->mLatency*2;
645 }
646 setStrategyMute(STRATEGY_MEDIA, true, mOutputs.keyAt(i));
647 setStrategyMute(STRATEGY_MEDIA, false, mOutputs.keyAt(i), MUTE_TIME_MS,
648 getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/));
649 setStrategyMute(STRATEGY_SONIFICATION, true, mOutputs.keyAt(i));
650 setStrategyMute(STRATEGY_SONIFICATION, false, mOutputs.keyAt(i), MUTE_TIME_MS,
651 getDeviceForStrategy(STRATEGY_SONIFICATION, true /*fromCache*/));
652 }
653 }
654
Eric Laurentc2730ba2014-07-20 15:47:07 -0700655 // Note that despite the fact that getNewOutputDevice() is called on the primary output,
656 // the device returned is not necessarily reachable via this output
657 audio_devices_t rxDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
658 // force routing command to audio hardware when ending call
659 // even if no device change is needed
660 if (isStateInCall(oldState) && rxDevice == AUDIO_DEVICE_NONE) {
661 rxDevice = hwOutputDesc->device();
662 }
Eric Laurente552edb2014-03-10 17:42:56 -0700663
Eric Laurentc2730ba2014-07-20 15:47:07 -0700664 if (state == AUDIO_MODE_IN_CALL) {
665 updateCallRouting(rxDevice, delayMs);
666 } else if (oldState == AUDIO_MODE_IN_CALL) {
667 if (mCallRxPatch != 0) {
668 mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
669 mCallRxPatch.clear();
670 }
671 if (mCallTxPatch != 0) {
672 mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
673 mCallTxPatch.clear();
674 }
675 setOutputDevice(mPrimaryOutput, rxDevice, force, 0);
676 } else {
677 setOutputDevice(mPrimaryOutput, rxDevice, force, 0);
678 }
Eric Laurente552edb2014-03-10 17:42:56 -0700679 // if entering in call state, handle special case of active streams
680 // pertaining to sonification strategy see handleIncallSonification()
681 if (isStateInCall(state)) {
682 ALOGV("setPhoneState() in call state management: new state is %d", state);
Eric Laurent3b73df72014-03-11 09:06:29 -0700683 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
684 handleIncallSonification((audio_stream_type_t)stream, true, true);
Eric Laurente552edb2014-03-10 17:42:56 -0700685 }
686 }
687
688 // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE
Eric Laurent3b73df72014-03-11 09:06:29 -0700689 if (state == AUDIO_MODE_RINGTONE &&
690 isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY)) {
Eric Laurente552edb2014-03-10 17:42:56 -0700691 mLimitRingtoneVolume = true;
692 } else {
693 mLimitRingtoneVolume = false;
694 }
695}
696
Eric Laurente0720872014-03-11 09:30:41 -0700697void AudioPolicyManager::setForceUse(audio_policy_force_use_t usage,
Eric Laurent3b73df72014-03-11 09:06:29 -0700698 audio_policy_forced_cfg_t config)
Eric Laurente552edb2014-03-10 17:42:56 -0700699{
700 ALOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mPhoneState);
701
702 bool forceVolumeReeval = false;
703 switch(usage) {
Eric Laurent3b73df72014-03-11 09:06:29 -0700704 case AUDIO_POLICY_FORCE_FOR_COMMUNICATION:
705 if (config != AUDIO_POLICY_FORCE_SPEAKER && config != AUDIO_POLICY_FORCE_BT_SCO &&
706 config != AUDIO_POLICY_FORCE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -0700707 ALOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config);
708 return;
709 }
710 forceVolumeReeval = true;
711 mForceUse[usage] = config;
712 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700713 case AUDIO_POLICY_FORCE_FOR_MEDIA:
714 if (config != AUDIO_POLICY_FORCE_HEADPHONES && config != AUDIO_POLICY_FORCE_BT_A2DP &&
715 config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
716 config != AUDIO_POLICY_FORCE_ANALOG_DOCK &&
717 config != AUDIO_POLICY_FORCE_DIGITAL_DOCK && config != AUDIO_POLICY_FORCE_NONE &&
Hochi Huang327cb702014-09-21 09:47:31 +0800718 config != AUDIO_POLICY_FORCE_NO_BT_A2DP && config != AUDIO_POLICY_FORCE_SPEAKER ) {
Eric Laurente552edb2014-03-10 17:42:56 -0700719 ALOGW("setForceUse() invalid config %d for FOR_MEDIA", config);
720 return;
721 }
722 mForceUse[usage] = config;
723 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700724 case AUDIO_POLICY_FORCE_FOR_RECORD:
725 if (config != AUDIO_POLICY_FORCE_BT_SCO && config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
726 config != AUDIO_POLICY_FORCE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -0700727 ALOGW("setForceUse() invalid config %d for FOR_RECORD", config);
728 return;
729 }
730 mForceUse[usage] = config;
731 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700732 case AUDIO_POLICY_FORCE_FOR_DOCK:
733 if (config != AUDIO_POLICY_FORCE_NONE && config != AUDIO_POLICY_FORCE_BT_CAR_DOCK &&
734 config != AUDIO_POLICY_FORCE_BT_DESK_DOCK &&
735 config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
736 config != AUDIO_POLICY_FORCE_ANALOG_DOCK &&
737 config != AUDIO_POLICY_FORCE_DIGITAL_DOCK) {
Eric Laurente552edb2014-03-10 17:42:56 -0700738 ALOGW("setForceUse() invalid config %d for FOR_DOCK", config);
739 }
740 forceVolumeReeval = true;
741 mForceUse[usage] = config;
742 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700743 case AUDIO_POLICY_FORCE_FOR_SYSTEM:
744 if (config != AUDIO_POLICY_FORCE_NONE &&
745 config != AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
Eric Laurente552edb2014-03-10 17:42:56 -0700746 ALOGW("setForceUse() invalid config %d for FOR_SYSTEM", config);
747 }
748 forceVolumeReeval = true;
749 mForceUse[usage] = config;
750 break;
Jungshik Jang7b24ee32014-07-15 19:38:42 +0900751 case AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO:
752 if (config != AUDIO_POLICY_FORCE_NONE &&
753 config != AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED) {
754 ALOGW("setForceUse() invalid config %d forHDMI_SYSTEM_AUDIO", config);
755 }
756 mForceUse[usage] = config;
757 break;
Eric Laurente552edb2014-03-10 17:42:56 -0700758 default:
759 ALOGW("setForceUse() invalid usage %d", usage);
760 break;
761 }
762
763 // check for device and output changes triggered by new force usage
764 checkA2dpSuspend();
765 checkOutputForAllStrategies();
766 updateDevicesAndOutputs();
Eric Laurentc2730ba2014-07-20 15:47:07 -0700767 if (mPhoneState == AUDIO_MODE_IN_CALL) {
768 audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, true /*fromCache*/);
769 updateCallRouting(newDevice);
770 }
Eric Laurente552edb2014-03-10 17:42:56 -0700771 for (size_t i = 0; i < mOutputs.size(); i++) {
772 audio_io_handle_t output = mOutputs.keyAt(i);
Eric Laurent1c333e22014-05-20 10:48:17 -0700773 audio_devices_t newDevice = getNewOutputDevice(output, true /*fromCache*/);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700774 if ((mPhoneState != AUDIO_MODE_IN_CALL) || (output != mPrimaryOutput)) {
775 setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE));
776 }
Eric Laurente552edb2014-03-10 17:42:56 -0700777 if (forceVolumeReeval && (newDevice != AUDIO_DEVICE_NONE)) {
778 applyStreamVolumes(output, newDevice, 0, true);
779 }
780 }
781
782 audio_io_handle_t activeInput = getActiveInput();
783 if (activeInput != 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -0700784 setInputDevice(activeInput, getNewInputDevice(activeInput));
Eric Laurente552edb2014-03-10 17:42:56 -0700785 }
786
787}
788
Eric Laurente0720872014-03-11 09:30:41 -0700789audio_policy_forced_cfg_t AudioPolicyManager::getForceUse(audio_policy_force_use_t usage)
Eric Laurente552edb2014-03-10 17:42:56 -0700790{
791 return mForceUse[usage];
792}
793
Eric Laurente0720872014-03-11 09:30:41 -0700794void AudioPolicyManager::setSystemProperty(const char* property, const char* value)
Eric Laurente552edb2014-03-10 17:42:56 -0700795{
796 ALOGV("setSystemProperty() property %s, value %s", property, value);
797}
798
799// Find a direct output profile compatible with the parameters passed, even if the input flags do
800// not explicitly request a direct output
Eric Laurent1c333e22014-05-20 10:48:17 -0700801sp<AudioPolicyManager::IOProfile> AudioPolicyManager::getProfileForDirectOutput(
Eric Laurente552edb2014-03-10 17:42:56 -0700802 audio_devices_t device,
803 uint32_t samplingRate,
804 audio_format_t format,
805 audio_channel_mask_t channelMask,
806 audio_output_flags_t flags)
807{
808 for (size_t i = 0; i < mHwModules.size(); i++) {
809 if (mHwModules[i]->mHandle == 0) {
810 continue;
811 }
812 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++) {
Eric Laurent1c333e22014-05-20 10:48:17 -0700813 sp<IOProfile> profile = mHwModules[i]->mOutputProfiles[j];
Glenn Kastencbd48022014-07-24 13:46:44 -0700814 bool found = profile->isCompatibleProfile(device, samplingRate,
815 NULL /*updatedSamplingRate*/, format, channelMask,
816 flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD ?
817 AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD : AUDIO_OUTPUT_FLAG_DIRECT);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700818 if (found && (mAvailableOutputDevices.types() & profile->mSupportedDevices.types())) {
819 return profile;
820 }
Eric Laurente552edb2014-03-10 17:42:56 -0700821 }
822 }
823 return 0;
824}
825
Eric Laurente0720872014-03-11 09:30:41 -0700826audio_io_handle_t AudioPolicyManager::getOutput(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -0700827 uint32_t samplingRate,
828 audio_format_t format,
829 audio_channel_mask_t channelMask,
Eric Laurent3b73df72014-03-11 09:06:29 -0700830 audio_output_flags_t flags,
Eric Laurente552edb2014-03-10 17:42:56 -0700831 const audio_offload_info_t *offloadInfo)
832{
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700833
Eric Laurent3b73df72014-03-11 09:06:29 -0700834 routing_strategy strategy = getStrategy(stream);
Eric Laurente552edb2014-03-10 17:42:56 -0700835 audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
836 ALOGV("getOutput() device %d, stream %d, samplingRate %d, format %x, channelMask %x, flags %x",
837 device, stream, samplingRate, format, channelMask, flags);
838
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700839 return getOutputForDevice(device, stream, samplingRate,format, channelMask, flags,
840 offloadInfo);
841}
842
843audio_io_handle_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
844 uint32_t samplingRate,
845 audio_format_t format,
846 audio_channel_mask_t channelMask,
847 audio_output_flags_t flags,
848 const audio_offload_info_t *offloadInfo)
849{
850 if (attr == NULL) {
851 ALOGE("getOutputForAttr() called with NULL audio attributes");
852 return 0;
853 }
Eric Laurent93c3d412014-08-01 14:48:35 -0700854 ALOGV("getOutputForAttr() usage=%d, content=%d, tag=%s flags=%08x",
855 attr->usage, attr->content_type, attr->tags, attr->flags);
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700856
857 // TODO this is where filtering for custom policies (rerouting, dynamic sources) will go
858 routing_strategy strategy = (routing_strategy) getStrategyForAttr(attr);
859 audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
Eric Laurent93c3d412014-08-01 14:48:35 -0700860
861 if ((attr->flags & AUDIO_FLAG_HW_AV_SYNC) != 0) {
862 flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC);
863 }
864
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -0700865 ALOGV("getOutputForAttr() device 0x%x, samplingRate %d, format %x, channelMask %x, flags %x",
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700866 device, samplingRate, format, channelMask, flags);
867
868 audio_stream_type_t stream = streamTypefromAttributesInt(attr);
869 return getOutputForDevice(device, stream, samplingRate, format, channelMask, flags,
870 offloadInfo);
871}
872
873audio_io_handle_t AudioPolicyManager::getOutputForDevice(
874 audio_devices_t device,
875 audio_stream_type_t stream,
876 uint32_t samplingRate,
877 audio_format_t format,
878 audio_channel_mask_t channelMask,
879 audio_output_flags_t flags,
880 const audio_offload_info_t *offloadInfo)
881{
Eric Laurentcf2c0212014-07-25 16:20:43 -0700882 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700883 uint32_t latency = 0;
Eric Laurentcf2c0212014-07-25 16:20:43 -0700884 status_t status;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700885
Eric Laurente552edb2014-03-10 17:42:56 -0700886#ifdef AUDIO_POLICY_TEST
887 if (mCurOutput != 0) {
888 ALOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channelMask %x, mDirectOutput %d",
889 mCurOutput, mTestSamplingRate, mTestFormat, mTestChannels, mDirectOutput);
890
891 if (mTestOutputs[mCurOutput] == 0) {
892 ALOGV("getOutput() opening test output");
Eric Laurent1f2f2232014-06-02 12:01:23 -0700893 sp<AudioOutputDescriptor> outputDesc = new AudioOutputDescriptor(NULL);
Eric Laurente552edb2014-03-10 17:42:56 -0700894 outputDesc->mDevice = mTestDevice;
Eric Laurente552edb2014-03-10 17:42:56 -0700895 outputDesc->mLatency = mTestLatencyMs;
Eric Laurent3b73df72014-03-11 09:06:29 -0700896 outputDesc->mFlags =
897 (audio_output_flags_t)(mDirectOutput ? AUDIO_OUTPUT_FLAG_DIRECT : 0);
Eric Laurente552edb2014-03-10 17:42:56 -0700898 outputDesc->mRefCount[stream] = 0;
Eric Laurentcf2c0212014-07-25 16:20:43 -0700899 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
900 config.sample_rate = mTestSamplingRate;
901 config.channel_mask = mTestChannels;
902 config.format = mTestFormat;
Phil Burk77cce802014-08-04 16:18:15 -0700903 if (offloadInfo != NULL) {
904 config.offload_info = *offloadInfo;
905 }
Eric Laurentcf2c0212014-07-25 16:20:43 -0700906 status = mpClientInterface->openOutput(0,
907 &mTestOutputs[mCurOutput],
908 &config,
909 &outputDesc->mDevice,
910 String8(""),
911 &outputDesc->mLatency,
912 outputDesc->mFlags);
913 if (status == NO_ERROR) {
914 outputDesc->mSamplingRate = config.sample_rate;
915 outputDesc->mFormat = config.format;
916 outputDesc->mChannelMask = config.channel_mask;
Eric Laurente552edb2014-03-10 17:42:56 -0700917 AudioParameter outputCmd = AudioParameter();
918 outputCmd.addInt(String8("set_id"),mCurOutput);
919 mpClientInterface->setParameters(mTestOutputs[mCurOutput],outputCmd.toString());
920 addOutput(mTestOutputs[mCurOutput], outputDesc);
921 }
922 }
923 return mTestOutputs[mCurOutput];
924 }
925#endif //AUDIO_POLICY_TEST
926
927 // open a direct output if required by specified parameters
928 //force direct flag if offload flag is set: offloading implies a direct output stream
929 // and all common behaviors are driven by checking only the direct flag
930 // this should normally be set appropriately in the policy configuration file
931 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
Eric Laurent3b73df72014-03-11 09:06:29 -0700932 flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
Eric Laurente552edb2014-03-10 17:42:56 -0700933 }
Eric Laurent93c3d412014-08-01 14:48:35 -0700934 if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
935 flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
936 }
Eric Laurente552edb2014-03-10 17:42:56 -0700937
Eric Laurentb732cf52014-09-24 19:08:21 -0700938 sp<IOProfile> profile;
939
940 // skip direct output selection if the request can obviously be attached to a mixed output
Eric Laurentc2607842014-09-29 09:43:03 -0700941 // and not explicitly requested
942 if (((flags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) &&
943 audio_is_linear_pcm(format) && samplingRate <= MAX_MIXER_SAMPLING_RATE &&
Eric Laurentb732cf52014-09-24 19:08:21 -0700944 audio_channel_count_from_out_mask(channelMask) <= 2) {
945 goto non_direct_output;
946 }
947
Eric Laurente552edb2014-03-10 17:42:56 -0700948 // Do not allow offloading if one non offloadable effect is enabled. This prevents from
949 // creating an offloaded track and tearing it down immediately after start when audioflinger
950 // detects there is an active non offloadable effect.
951 // FIXME: We should check the audio session here but we do not have it in this context.
952 // This may prevent offloading in rare situations where effects are left active by apps
953 // in the background.
Eric Laurentb732cf52014-09-24 19:08:21 -0700954
Eric Laurente552edb2014-03-10 17:42:56 -0700955 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) ||
956 !isNonOffloadableEffectEnabled()) {
957 profile = getProfileForDirectOutput(device,
958 samplingRate,
959 format,
960 channelMask,
961 (audio_output_flags_t)flags);
962 }
963
Eric Laurent1c333e22014-05-20 10:48:17 -0700964 if (profile != 0) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700965 sp<AudioOutputDescriptor> outputDesc = NULL;
Eric Laurente552edb2014-03-10 17:42:56 -0700966
967 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700968 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -0700969 if (!desc->isDuplicated() && (profile == desc->mProfile)) {
970 outputDesc = desc;
971 // reuse direct output if currently open and configured with same parameters
972 if ((samplingRate == outputDesc->mSamplingRate) &&
973 (format == outputDesc->mFormat) &&
974 (channelMask == outputDesc->mChannelMask)) {
975 outputDesc->mDirectOpenCount++;
976 ALOGV("getOutput() reusing direct output %d", mOutputs.keyAt(i));
977 return mOutputs.keyAt(i);
978 }
979 }
980 }
981 // close direct output if currently open and configured with different parameters
982 if (outputDesc != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -0700983 closeOutput(outputDesc->mIoHandle);
Eric Laurente552edb2014-03-10 17:42:56 -0700984 }
985 outputDesc = new AudioOutputDescriptor(profile);
986 outputDesc->mDevice = device;
Eric Laurente552edb2014-03-10 17:42:56 -0700987 outputDesc->mLatency = 0;
988 outputDesc->mFlags =(audio_output_flags_t) (outputDesc->mFlags | flags);
Eric Laurentcf2c0212014-07-25 16:20:43 -0700989 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
990 config.sample_rate = samplingRate;
991 config.channel_mask = channelMask;
992 config.format = format;
Phil Burk77cce802014-08-04 16:18:15 -0700993 if (offloadInfo != NULL) {
994 config.offload_info = *offloadInfo;
995 }
Eric Laurentcf2c0212014-07-25 16:20:43 -0700996 status = mpClientInterface->openOutput(profile->mModule->mHandle,
997 &output,
998 &config,
999 &outputDesc->mDevice,
1000 String8(""),
1001 &outputDesc->mLatency,
1002 outputDesc->mFlags);
Eric Laurente552edb2014-03-10 17:42:56 -07001003
1004 // only accept an output with the requested parameters
Eric Laurentcf2c0212014-07-25 16:20:43 -07001005 if (status != NO_ERROR ||
1006 (samplingRate != 0 && samplingRate != config.sample_rate) ||
1007 (format != AUDIO_FORMAT_DEFAULT && format != config.format) ||
1008 (channelMask != 0 && channelMask != config.channel_mask)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001009 ALOGV("getOutput() failed opening direct output: output %d samplingRate %d %d,"
1010 "format %d %d, channelMask %04x %04x", output, samplingRate,
1011 outputDesc->mSamplingRate, format, outputDesc->mFormat, channelMask,
1012 outputDesc->mChannelMask);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001013 if (output != AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07001014 mpClientInterface->closeOutput(output);
1015 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07001016 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001017 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07001018 outputDesc->mSamplingRate = config.sample_rate;
1019 outputDesc->mChannelMask = config.channel_mask;
1020 outputDesc->mFormat = config.format;
1021 outputDesc->mRefCount[stream] = 0;
1022 outputDesc->mStopTime[stream] = 0;
1023 outputDesc->mDirectOpenCount = 1;
1024
Eric Laurente552edb2014-03-10 17:42:56 -07001025 audio_io_handle_t srcOutput = getOutputForEffect();
1026 addOutput(output, outputDesc);
1027 audio_io_handle_t dstOutput = getOutputForEffect();
1028 if (dstOutput == output) {
1029 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, srcOutput, dstOutput);
1030 }
1031 mPreviousOutputs = mOutputs;
1032 ALOGV("getOutput() returns new direct output %d", output);
Eric Laurentb52c1522014-05-20 11:27:36 -07001033 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001034 return output;
1035 }
1036
Eric Laurentb732cf52014-09-24 19:08:21 -07001037non_direct_output:
1038
Eric Laurente552edb2014-03-10 17:42:56 -07001039 // ignoring channel mask due to downmix capability in mixer
1040
1041 // open a non direct output
1042
1043 // for non direct outputs, only PCM is supported
1044 if (audio_is_linear_pcm(format)) {
1045 // get which output is suitable for the specified stream. The actual
1046 // routing change will happen when startOutput() will be called
1047 SortedVector<audio_io_handle_t> outputs = getOutputsForDevice(device, mOutputs);
1048
Eric Laurent8838a382014-09-08 16:44:28 -07001049 // at this stage we should ignore the DIRECT flag as no direct output could be found earlier
1050 flags = (audio_output_flags_t)(flags & ~AUDIO_OUTPUT_FLAG_DIRECT);
1051 output = selectOutput(outputs, flags, format);
Eric Laurente552edb2014-03-10 17:42:56 -07001052 }
1053 ALOGW_IF((output == 0), "getOutput() could not find output for stream %d, samplingRate %d,"
1054 "format %d, channels %x, flags %x", stream, samplingRate, format, channelMask, flags);
1055
1056 ALOGV("getOutput() returns output %d", output);
1057
1058 return output;
1059}
1060
Eric Laurente0720872014-03-11 09:30:41 -07001061audio_io_handle_t AudioPolicyManager::selectOutput(const SortedVector<audio_io_handle_t>& outputs,
Eric Laurent8838a382014-09-08 16:44:28 -07001062 audio_output_flags_t flags,
1063 audio_format_t format)
Eric Laurente552edb2014-03-10 17:42:56 -07001064{
1065 // select one output among several that provide a path to a particular device or set of
1066 // devices (the list was previously build by getOutputsForDevice()).
1067 // The priority is as follows:
1068 // 1: the output with the highest number of requested policy flags
1069 // 2: the primary output
1070 // 3: the first output in the list
1071
1072 if (outputs.size() == 0) {
1073 return 0;
1074 }
1075 if (outputs.size() == 1) {
1076 return outputs[0];
1077 }
1078
1079 int maxCommonFlags = 0;
1080 audio_io_handle_t outputFlags = 0;
1081 audio_io_handle_t outputPrimary = 0;
1082
1083 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001084 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(outputs[i]);
Eric Laurente552edb2014-03-10 17:42:56 -07001085 if (!outputDesc->isDuplicated()) {
Eric Laurent8838a382014-09-08 16:44:28 -07001086 // if a valid format is specified, skip output if not compatible
1087 if (format != AUDIO_FORMAT_INVALID) {
1088 if (outputDesc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
1089 if (format != outputDesc->mFormat) {
1090 continue;
1091 }
1092 } else if (!audio_is_linear_pcm(format)) {
1093 continue;
1094 }
1095 }
1096
Eric Laurent3b73df72014-03-11 09:06:29 -07001097 int commonFlags = popcount(outputDesc->mProfile->mFlags & flags);
Eric Laurente552edb2014-03-10 17:42:56 -07001098 if (commonFlags > maxCommonFlags) {
1099 outputFlags = outputs[i];
1100 maxCommonFlags = commonFlags;
1101 ALOGV("selectOutput() commonFlags for output %d, %04x", outputs[i], commonFlags);
1102 }
1103 if (outputDesc->mProfile->mFlags & AUDIO_OUTPUT_FLAG_PRIMARY) {
1104 outputPrimary = outputs[i];
1105 }
1106 }
1107 }
1108
1109 if (outputFlags != 0) {
1110 return outputFlags;
1111 }
1112 if (outputPrimary != 0) {
1113 return outputPrimary;
1114 }
1115
1116 return outputs[0];
1117}
1118
Eric Laurente0720872014-03-11 09:30:41 -07001119status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
Eric Laurent3b73df72014-03-11 09:06:29 -07001120 audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001121 int session)
1122{
1123 ALOGV("startOutput() output %d, stream %d, session %d", output, stream, session);
1124 ssize_t index = mOutputs.indexOfKey(output);
1125 if (index < 0) {
1126 ALOGW("startOutput() unknown output %d", output);
1127 return BAD_VALUE;
1128 }
1129
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001130 // cannot start playback of STREAM_TTS if any other output is being used
1131 uint32_t beaconMuteLatency = 0;
1132 if (stream == AUDIO_STREAM_TTS) {
1133 ALOGV("\t found BEACON stream");
1134 if (isAnyOutputActive(AUDIO_STREAM_TTS /*streamToIgnore*/)) {
1135 return INVALID_OPERATION;
1136 } else {
1137 beaconMuteLatency = handleEventForBeacon(STARTING_BEACON);
1138 }
1139 } else {
1140 // some playback other than beacon starts
1141 beaconMuteLatency = handleEventForBeacon(STARTING_OUTPUT);
1142 }
1143
Eric Laurent1f2f2232014-06-02 12:01:23 -07001144 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001145
1146 // increment usage count for this stream on the requested output:
1147 // NOTE that the usage count is the same for duplicated output and hardware output which is
1148 // necessary for a correct control of hardware output routing by startOutput() and stopOutput()
1149 outputDesc->changeRefCount(stream, 1);
1150
1151 if (outputDesc->mRefCount[stream] == 1) {
Eric Laurent1c333e22014-05-20 10:48:17 -07001152 audio_devices_t newDevice = getNewOutputDevice(output, false /*fromCache*/);
Eric Laurente552edb2014-03-10 17:42:56 -07001153 routing_strategy strategy = getStrategy(stream);
1154 bool shouldWait = (strategy == STRATEGY_SONIFICATION) ||
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001155 (strategy == STRATEGY_SONIFICATION_RESPECTFUL) ||
1156 (beaconMuteLatency > 0);
1157 uint32_t waitMs = beaconMuteLatency;
Eric Laurente552edb2014-03-10 17:42:56 -07001158 bool force = false;
1159 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001160 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001161 if (desc != outputDesc) {
1162 // force a device change if any other output is managed by the same hw
1163 // module and has a current device selection that differs from selected device.
1164 // In this case, the audio HAL must receive the new device selection so that it can
1165 // change the device currently selected by the other active output.
1166 if (outputDesc->sharesHwModuleWith(desc) &&
1167 desc->device() != newDevice) {
1168 force = true;
1169 }
1170 // wait for audio on other active outputs to be presented when starting
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001171 // a notification so that audio focus effect can propagate, or that a mute/unmute
1172 // event occurred for beacon
Eric Laurente552edb2014-03-10 17:42:56 -07001173 uint32_t latency = desc->latency();
1174 if (shouldWait && desc->isActive(latency * 2) && (waitMs < latency)) {
1175 waitMs = latency;
1176 }
1177 }
1178 }
1179 uint32_t muteWaitMs = setOutputDevice(output, newDevice, force);
1180
1181 // handle special case for sonification while in call
1182 if (isInCall()) {
1183 handleIncallSonification(stream, true, false);
1184 }
1185
1186 // apply volume rules for current stream and device if necessary
1187 checkAndSetVolume(stream,
1188 mStreams[stream].getVolumeIndex(newDevice),
1189 output,
1190 newDevice);
1191
1192 // update the outputs if starting an output with a stream that can affect notification
1193 // routing
1194 handleNotificationRoutingForStream(stream);
1195 if (waitMs > muteWaitMs) {
1196 usleep((waitMs - muteWaitMs) * 2 * 1000);
1197 }
1198 }
1199 return NO_ERROR;
1200}
1201
1202
Eric Laurente0720872014-03-11 09:30:41 -07001203status_t AudioPolicyManager::stopOutput(audio_io_handle_t output,
Eric Laurent3b73df72014-03-11 09:06:29 -07001204 audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001205 int session)
1206{
1207 ALOGV("stopOutput() output %d, stream %d, session %d", output, stream, session);
1208 ssize_t index = mOutputs.indexOfKey(output);
1209 if (index < 0) {
1210 ALOGW("stopOutput() unknown output %d", output);
1211 return BAD_VALUE;
1212 }
1213
Eric Laurent1f2f2232014-06-02 12:01:23 -07001214 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001215
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07001216 // always handle stream stop, check which stream type is stopping
1217 handleEventForBeacon(stream == AUDIO_STREAM_TTS ? STOPPING_BEACON : STOPPING_OUTPUT);
1218
Eric Laurente552edb2014-03-10 17:42:56 -07001219 // handle special case for sonification while in call
1220 if (isInCall()) {
1221 handleIncallSonification(stream, false, false);
1222 }
1223
1224 if (outputDesc->mRefCount[stream] > 0) {
1225 // decrement usage count of this stream on the output
1226 outputDesc->changeRefCount(stream, -1);
1227 // store time at which the stream was stopped - see isStreamActive()
1228 if (outputDesc->mRefCount[stream] == 0) {
1229 outputDesc->mStopTime[stream] = systemTime();
Eric Laurent1c333e22014-05-20 10:48:17 -07001230 audio_devices_t newDevice = getNewOutputDevice(output, false /*fromCache*/);
Eric Laurente552edb2014-03-10 17:42:56 -07001231 // delay the device switch by twice the latency because stopOutput() is executed when
1232 // the track stop() command is received and at that time the audio track buffer can
1233 // still contain data that needs to be drained. The latency only covers the audio HAL
1234 // and kernel buffers. Also the latency does not always include additional delay in the
1235 // audio path (audio DSP, CODEC ...)
1236 setOutputDevice(output, newDevice, false, outputDesc->mLatency*2);
1237
1238 // force restoring the device selection on other active outputs if it differs from the
1239 // one being selected for this output
1240 for (size_t i = 0; i < mOutputs.size(); i++) {
1241 audio_io_handle_t curOutput = mOutputs.keyAt(i);
Eric Laurent1f2f2232014-06-02 12:01:23 -07001242 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001243 if (curOutput != output &&
1244 desc->isActive() &&
1245 outputDesc->sharesHwModuleWith(desc) &&
1246 (newDevice != desc->device())) {
1247 setOutputDevice(curOutput,
Eric Laurent1c333e22014-05-20 10:48:17 -07001248 getNewOutputDevice(curOutput, false /*fromCache*/),
Eric Laurente552edb2014-03-10 17:42:56 -07001249 true,
1250 outputDesc->mLatency*2);
1251 }
1252 }
1253 // update the outputs if stopping one with a stream that can affect notification routing
1254 handleNotificationRoutingForStream(stream);
1255 }
1256 return NO_ERROR;
1257 } else {
1258 ALOGW("stopOutput() refcount is already 0 for output %d", output);
1259 return INVALID_OPERATION;
1260 }
1261}
1262
Eric Laurente0720872014-03-11 09:30:41 -07001263void AudioPolicyManager::releaseOutput(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07001264{
1265 ALOGV("releaseOutput() %d", output);
1266 ssize_t index = mOutputs.indexOfKey(output);
1267 if (index < 0) {
1268 ALOGW("releaseOutput() releasing unknown output %d", output);
1269 return;
1270 }
1271
1272#ifdef AUDIO_POLICY_TEST
1273 int testIndex = testOutputIndex(output);
1274 if (testIndex != 0) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001275 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001276 if (outputDesc->isActive()) {
1277 mpClientInterface->closeOutput(output);
Eric Laurente552edb2014-03-10 17:42:56 -07001278 mOutputs.removeItem(output);
1279 mTestOutputs[testIndex] = 0;
1280 }
1281 return;
1282 }
1283#endif //AUDIO_POLICY_TEST
1284
Eric Laurent1f2f2232014-06-02 12:01:23 -07001285 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(index);
Eric Laurent3b73df72014-03-11 09:06:29 -07001286 if (desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
Eric Laurente552edb2014-03-10 17:42:56 -07001287 if (desc->mDirectOpenCount <= 0) {
1288 ALOGW("releaseOutput() invalid open count %d for output %d",
1289 desc->mDirectOpenCount, output);
1290 return;
1291 }
1292 if (--desc->mDirectOpenCount == 0) {
1293 closeOutput(output);
1294 // If effects where present on the output, audioflinger moved them to the primary
1295 // output by default: move them back to the appropriate output.
1296 audio_io_handle_t dstOutput = getOutputForEffect();
1297 if (dstOutput != mPrimaryOutput) {
1298 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, mPrimaryOutput, dstOutput);
1299 }
Eric Laurentb52c1522014-05-20 11:27:36 -07001300 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001301 }
1302 }
1303}
1304
1305
Eric Laurente0720872014-03-11 09:30:41 -07001306audio_io_handle_t AudioPolicyManager::getInput(audio_source_t inputSource,
Eric Laurente552edb2014-03-10 17:42:56 -07001307 uint32_t samplingRate,
1308 audio_format_t format,
1309 audio_channel_mask_t channelMask,
Eric Laurent4dc68062014-07-28 17:26:49 -07001310 audio_session_t session,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001311 audio_input_flags_t flags)
Eric Laurente552edb2014-03-10 17:42:56 -07001312{
Eric Laurent4dc68062014-07-28 17:26:49 -07001313 ALOGV("getInput() inputSource %d, samplingRate %d, format %d, channelMask %x, session %d, "
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001314 "flags %#x",
Eric Laurent4dc68062014-07-28 17:26:49 -07001315 inputSource, samplingRate, format, channelMask, session, flags);
Eric Laurente552edb2014-03-10 17:42:56 -07001316
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001317 audio_devices_t device = getDeviceForInputSource(inputSource);
Eric Laurente552edb2014-03-10 17:42:56 -07001318
1319 if (device == AUDIO_DEVICE_NONE) {
1320 ALOGW("getInput() could not find device for inputSource %d", inputSource);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001321 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001322 }
1323
1324 // adapt channel selection to input source
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001325 switch (inputSource) {
Eric Laurente552edb2014-03-10 17:42:56 -07001326 case AUDIO_SOURCE_VOICE_UPLINK:
1327 channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK;
1328 break;
1329 case AUDIO_SOURCE_VOICE_DOWNLINK:
1330 channelMask = AUDIO_CHANNEL_IN_VOICE_DNLINK;
1331 break;
1332 case AUDIO_SOURCE_VOICE_CALL:
1333 channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK | AUDIO_CHANNEL_IN_VOICE_DNLINK;
1334 break;
1335 default:
1336 break;
1337 }
1338
Eric Laurent5dbe4712014-09-19 19:04:57 -07001339 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
1340 bool isSoundTrigger = false;
1341 audio_source_t halInputSource = inputSource;
1342 if (inputSource == AUDIO_SOURCE_HOTWORD) {
1343 ssize_t index = mSoundTriggerSessions.indexOfKey(session);
1344 if (index >= 0) {
1345 input = mSoundTriggerSessions.valueFor(session);
1346 isSoundTrigger = true;
1347 flags = (audio_input_flags_t)(flags | AUDIO_INPUT_FLAG_HW_HOTWORD);
1348 ALOGV("SoundTrigger capture on session %d input %d", session, input);
1349 } else {
1350 halInputSource = AUDIO_SOURCE_VOICE_RECOGNITION;
1351 }
1352 }
1353
Eric Laurent1c333e22014-05-20 10:48:17 -07001354 sp<IOProfile> profile = getInputProfile(device,
Eric Laurente552edb2014-03-10 17:42:56 -07001355 samplingRate,
1356 format,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001357 channelMask,
1358 flags);
Eric Laurent1c333e22014-05-20 10:48:17 -07001359 if (profile == 0) {
Eric Laurent5dbe4712014-09-19 19:04:57 -07001360 //retry without flags
1361 audio_input_flags_t log_flags = flags;
1362 flags = AUDIO_INPUT_FLAG_NONE;
1363 profile = getInputProfile(device,
1364 samplingRate,
1365 format,
1366 channelMask,
1367 flags);
1368 if (profile == 0) {
1369 ALOGW("getInput() could not find profile for device 0x%X, samplingRate %u, format %#x, "
1370 "channelMask 0x%X, flags %#x",
1371 device, samplingRate, format, channelMask, log_flags);
1372 return AUDIO_IO_HANDLE_NONE;
1373 }
Eric Laurente552edb2014-03-10 17:42:56 -07001374 }
1375
1376 if (profile->mModule->mHandle == 0) {
1377 ALOGE("getInput(): HW module %s not opened", profile->mModule->mName);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001378 return AUDIO_IO_HANDLE_NONE;
1379 }
1380
1381 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
1382 config.sample_rate = samplingRate;
1383 config.channel_mask = channelMask;
1384 config.format = format;
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001385
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -07001386 // handle legacy remote submix case where the address was not always specified
1387 String8 address = deviceDistinguishesOnAddress(device) ? String8("0") : String8("");
1388
Eric Laurentcf2c0212014-07-25 16:20:43 -07001389 status_t status = mpClientInterface->openInput(profile->mModule->mHandle,
1390 &input,
1391 &config,
1392 &device,
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -07001393 address,
Eric Laurent1c9c2cc2014-08-28 19:37:25 -07001394 halInputSource,
Eric Laurentcf2c0212014-07-25 16:20:43 -07001395 flags);
1396
1397 // only accept input with the exact requested set of parameters
1398 if (status != NO_ERROR ||
1399 (samplingRate != config.sample_rate) ||
1400 (format != config.format) ||
1401 (channelMask != config.channel_mask)) {
1402 ALOGW("getInput() failed opening input: samplingRate %d, format %d, channelMask %x",
1403 samplingRate, format, channelMask);
1404 if (input != AUDIO_IO_HANDLE_NONE) {
1405 mpClientInterface->closeInput(input);
1406 }
1407 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001408 }
1409
Eric Laurent1f2f2232014-06-02 12:01:23 -07001410 sp<AudioInputDescriptor> inputDesc = new AudioInputDescriptor(profile);
Eric Laurente552edb2014-03-10 17:42:56 -07001411 inputDesc->mInputSource = inputSource;
Eric Laurentcf2c0212014-07-25 16:20:43 -07001412 inputDesc->mRefCount = 0;
1413 inputDesc->mOpenRefCount = 1;
Eric Laurente552edb2014-03-10 17:42:56 -07001414 inputDesc->mSamplingRate = samplingRate;
1415 inputDesc->mFormat = format;
1416 inputDesc->mChannelMask = channelMask;
Eric Laurentcf2c0212014-07-25 16:20:43 -07001417 inputDesc->mDevice = device;
Eric Laurent4dc68062014-07-28 17:26:49 -07001418 inputDesc->mSessions.add(session);
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001419 inputDesc->mIsSoundTrigger = isSoundTrigger;
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001420
Eric Laurentd4692962014-05-05 18:13:44 -07001421 addInput(input, inputDesc);
Eric Laurentb52c1522014-05-20 11:27:36 -07001422 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001423 return input;
1424}
1425
Eric Laurent4dc68062014-07-28 17:26:49 -07001426status_t AudioPolicyManager::startInput(audio_io_handle_t input,
1427 audio_session_t session)
Eric Laurente552edb2014-03-10 17:42:56 -07001428{
1429 ALOGV("startInput() input %d", input);
1430 ssize_t index = mInputs.indexOfKey(input);
1431 if (index < 0) {
1432 ALOGW("startInput() unknown input %d", input);
1433 return BAD_VALUE;
1434 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001435 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001436
Eric Laurent4dc68062014-07-28 17:26:49 -07001437 index = inputDesc->mSessions.indexOf(session);
1438 if (index < 0) {
1439 ALOGW("startInput() unknown session %d on input %d", session, input);
1440 return BAD_VALUE;
1441 }
1442
Glenn Kasten74a8e252014-07-24 14:09:55 -07001443 // virtual input devices are compatible with other input devices
1444 if (!isVirtualInputDevice(inputDesc->mDevice)) {
1445
1446 // for a non-virtual input device, check if there is another (non-virtual) active input
Eric Laurente552edb2014-03-10 17:42:56 -07001447 audio_io_handle_t activeInput = getActiveInput();
Glenn Kasten74a8e252014-07-24 14:09:55 -07001448 if (activeInput != 0 && activeInput != input) {
1449
1450 // If the already active input uses AUDIO_SOURCE_HOTWORD then it is closed,
1451 // otherwise the active input continues and the new input cannot be started.
Eric Laurent1f2f2232014-06-02 12:01:23 -07001452 sp<AudioInputDescriptor> activeDesc = mInputs.valueFor(activeInput);
Eric Laurente552edb2014-03-10 17:42:56 -07001453 if (activeDesc->mInputSource == AUDIO_SOURCE_HOTWORD) {
Glenn Kasten74a8e252014-07-24 14:09:55 -07001454 ALOGW("startInput(%d) preempting low-priority input %d", input, activeInput);
Eric Laurent4dc68062014-07-28 17:26:49 -07001455 stopInput(activeInput, activeDesc->mSessions.itemAt(0));
1456 releaseInput(activeInput, activeDesc->mSessions.itemAt(0));
Eric Laurente552edb2014-03-10 17:42:56 -07001457 } else {
Glenn Kasten74a8e252014-07-24 14:09:55 -07001458 ALOGE("startInput(%d) failed: other input %d already started", input, activeInput);
Eric Laurente552edb2014-03-10 17:42:56 -07001459 return INVALID_OPERATION;
1460 }
1461 }
1462 }
1463
Glenn Kasten74a8e252014-07-24 14:09:55 -07001464 if (inputDesc->mRefCount == 0) {
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001465 if (activeInputsCount() == 0) {
1466 SoundTrigger::setCaptureState(true);
1467 }
Glenn Kasten74a8e252014-07-24 14:09:55 -07001468 setInputDevice(input, getNewInputDevice(input), true /* force */);
Eric Laurente552edb2014-03-10 17:42:56 -07001469
Glenn Kasten74a8e252014-07-24 14:09:55 -07001470 // Automatically enable the remote submix output when input is started.
1471 // For remote submix (a virtual device), we open only one input per capture request.
1472 if (audio_is_remote_submix_device(inputDesc->mDevice)) {
1473 setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
1474 AUDIO_POLICY_DEVICE_STATE_AVAILABLE, AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS);
1475 }
Eric Laurente552edb2014-03-10 17:42:56 -07001476 }
1477
Eric Laurente552edb2014-03-10 17:42:56 -07001478 ALOGV("AudioPolicyManager::startInput() input source = %d", inputDesc->mInputSource);
1479
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001480 inputDesc->mRefCount++;
Eric Laurente552edb2014-03-10 17:42:56 -07001481 return NO_ERROR;
1482}
1483
Eric Laurent4dc68062014-07-28 17:26:49 -07001484status_t AudioPolicyManager::stopInput(audio_io_handle_t input,
1485 audio_session_t session)
Eric Laurente552edb2014-03-10 17:42:56 -07001486{
1487 ALOGV("stopInput() input %d", input);
1488 ssize_t index = mInputs.indexOfKey(input);
1489 if (index < 0) {
1490 ALOGW("stopInput() unknown input %d", input);
1491 return BAD_VALUE;
1492 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001493 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001494
Eric Laurent4dc68062014-07-28 17:26:49 -07001495 index = inputDesc->mSessions.indexOf(session);
1496 if (index < 0) {
1497 ALOGW("stopInput() unknown session %d on input %d", session, input);
1498 return BAD_VALUE;
1499 }
1500
Eric Laurente552edb2014-03-10 17:42:56 -07001501 if (inputDesc->mRefCount == 0) {
1502 ALOGW("stopInput() input %d already stopped", input);
1503 return INVALID_OPERATION;
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001504 }
1505
1506 inputDesc->mRefCount--;
1507 if (inputDesc->mRefCount == 0) {
1508
Eric Laurente552edb2014-03-10 17:42:56 -07001509 // automatically disable the remote submix output when input is stopped
1510 if (audio_is_remote_submix_device(inputDesc->mDevice)) {
1511 setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
Eric Laurent3b73df72014-03-11 09:06:29 -07001512 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS);
Eric Laurente552edb2014-03-10 17:42:56 -07001513 }
1514
Eric Laurent1c333e22014-05-20 10:48:17 -07001515 resetInputDevice(input);
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001516
1517 if (activeInputsCount() == 0) {
1518 SoundTrigger::setCaptureState(false);
1519 }
Eric Laurente552edb2014-03-10 17:42:56 -07001520 }
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001521 return NO_ERROR;
Eric Laurente552edb2014-03-10 17:42:56 -07001522}
1523
Eric Laurent4dc68062014-07-28 17:26:49 -07001524void AudioPolicyManager::releaseInput(audio_io_handle_t input,
1525 audio_session_t session)
Eric Laurente552edb2014-03-10 17:42:56 -07001526{
1527 ALOGV("releaseInput() %d", input);
1528 ssize_t index = mInputs.indexOfKey(input);
1529 if (index < 0) {
1530 ALOGW("releaseInput() releasing unknown input %d", input);
1531 return;
1532 }
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001533 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
1534 ALOG_ASSERT(inputDesc != 0);
Eric Laurent4dc68062014-07-28 17:26:49 -07001535
1536 index = inputDesc->mSessions.indexOf(session);
1537 if (index < 0) {
1538 ALOGW("releaseInput() unknown session %d on input %d", session, input);
1539 return;
1540 }
1541 inputDesc->mSessions.remove(session);
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001542 if (inputDesc->mOpenRefCount == 0) {
1543 ALOGW("releaseInput() invalid open ref count %d", inputDesc->mOpenRefCount);
1544 return;
1545 }
1546 inputDesc->mOpenRefCount--;
1547 if (inputDesc->mOpenRefCount > 0) {
1548 ALOGV("releaseInput() exit > 0");
1549 return;
1550 }
1551
Eric Laurent05b90f82014-08-27 15:32:29 -07001552 closeInput(input);
Eric Laurentb52c1522014-05-20 11:27:36 -07001553 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001554 ALOGV("releaseInput() exit");
1555}
1556
Eric Laurentd4692962014-05-05 18:13:44 -07001557void AudioPolicyManager::closeAllInputs() {
Eric Laurent05b90f82014-08-27 15:32:29 -07001558 bool patchRemoved = false;
1559
Eric Laurentd4692962014-05-05 18:13:44 -07001560 for(size_t input_index = 0; input_index < mInputs.size(); input_index++) {
Eric Laurent05b90f82014-08-27 15:32:29 -07001561 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(input_index);
1562 ssize_t patch_index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
1563 if (patch_index >= 0) {
1564 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(patch_index);
1565 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
1566 mAudioPatches.removeItemsAt(patch_index);
1567 patchRemoved = true;
1568 }
Eric Laurentd4692962014-05-05 18:13:44 -07001569 mpClientInterface->closeInput(mInputs.keyAt(input_index));
1570 }
1571 mInputs.clear();
Eric Laurent6a94d692014-05-20 11:18:06 -07001572 nextAudioPortGeneration();
Eric Laurent05b90f82014-08-27 15:32:29 -07001573
1574 if (patchRemoved) {
1575 mpClientInterface->onAudioPatchListUpdate();
1576 }
Eric Laurentd4692962014-05-05 18:13:44 -07001577}
1578
Eric Laurente0720872014-03-11 09:30:41 -07001579void AudioPolicyManager::initStreamVolume(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001580 int indexMin,
1581 int indexMax)
1582{
1583 ALOGV("initStreamVolume() stream %d, min %d, max %d", stream , indexMin, indexMax);
1584 if (indexMin < 0 || indexMin >= indexMax) {
1585 ALOGW("initStreamVolume() invalid index limits for stream %d, min %d, max %d", stream , indexMin, indexMax);
1586 return;
1587 }
1588 mStreams[stream].mIndexMin = indexMin;
1589 mStreams[stream].mIndexMax = indexMax;
1590}
1591
Eric Laurente0720872014-03-11 09:30:41 -07001592status_t AudioPolicyManager::setStreamVolumeIndex(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001593 int index,
1594 audio_devices_t device)
1595{
1596
1597 if ((index < mStreams[stream].mIndexMin) || (index > mStreams[stream].mIndexMax)) {
1598 return BAD_VALUE;
1599 }
1600 if (!audio_is_output_device(device)) {
1601 return BAD_VALUE;
1602 }
1603
1604 // Force max volume if stream cannot be muted
1605 if (!mStreams[stream].mCanBeMuted) index = mStreams[stream].mIndexMax;
1606
1607 ALOGV("setStreamVolumeIndex() stream %d, device %04x, index %d",
1608 stream, device, index);
1609
1610 // if device is AUDIO_DEVICE_OUT_DEFAULT set default value and
1611 // clear all device specific values
1612 if (device == AUDIO_DEVICE_OUT_DEFAULT) {
1613 mStreams[stream].mIndexCur.clear();
1614 }
1615 mStreams[stream].mIndexCur.add(device, index);
1616
Eric Laurent31551f82014-10-10 18:21:56 -07001617 // update volume on all outputs whose current device is also selected by the same
1618 // strategy as the device specified by the caller
1619 audio_devices_t strategyDevice = getDeviceForStrategy(getStrategy(stream), true /*fromCache*/);
1620 if ((device != AUDIO_DEVICE_OUT_DEFAULT) && (device & strategyDevice) == 0) {
1621 return NO_ERROR;
1622 }
Eric Laurente552edb2014-03-10 17:42:56 -07001623 status_t status = NO_ERROR;
1624 for (size_t i = 0; i < mOutputs.size(); i++) {
1625 audio_devices_t curDevice =
1626 getDeviceForVolume(mOutputs.valueAt(i)->device());
Eric Laurent31551f82014-10-10 18:21:56 -07001627 if ((device == AUDIO_DEVICE_OUT_DEFAULT) || ((curDevice & strategyDevice) != 0)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001628 status_t volStatus = checkAndSetVolume(stream, index, mOutputs.keyAt(i), curDevice);
1629 if (volStatus != NO_ERROR) {
1630 status = volStatus;
1631 }
1632 }
1633 }
1634 return status;
1635}
1636
Eric Laurente0720872014-03-11 09:30:41 -07001637status_t AudioPolicyManager::getStreamVolumeIndex(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001638 int *index,
1639 audio_devices_t device)
1640{
1641 if (index == NULL) {
1642 return BAD_VALUE;
1643 }
1644 if (!audio_is_output_device(device)) {
1645 return BAD_VALUE;
1646 }
1647 // if device is AUDIO_DEVICE_OUT_DEFAULT, return volume for device corresponding to
1648 // the strategy the stream belongs to.
1649 if (device == AUDIO_DEVICE_OUT_DEFAULT) {
1650 device = getDeviceForStrategy(getStrategy(stream), true /*fromCache*/);
1651 }
1652 device = getDeviceForVolume(device);
1653
1654 *index = mStreams[stream].getVolumeIndex(device);
1655 ALOGV("getStreamVolumeIndex() stream %d device %08x index %d", stream, device, *index);
1656 return NO_ERROR;
1657}
1658
Eric Laurente0720872014-03-11 09:30:41 -07001659audio_io_handle_t AudioPolicyManager::selectOutputForEffects(
Eric Laurente552edb2014-03-10 17:42:56 -07001660 const SortedVector<audio_io_handle_t>& outputs)
1661{
1662 // select one output among several suitable for global effects.
1663 // The priority is as follows:
1664 // 1: An offloaded output. If the effect ends up not being offloadable,
1665 // AudioFlinger will invalidate the track and the offloaded output
1666 // will be closed causing the effect to be moved to a PCM output.
1667 // 2: A deep buffer output
1668 // 3: the first output in the list
1669
1670 if (outputs.size() == 0) {
1671 return 0;
1672 }
1673
1674 audio_io_handle_t outputOffloaded = 0;
1675 audio_io_handle_t outputDeepBuffer = 0;
1676
1677 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001678 sp<AudioOutputDescriptor> desc = mOutputs.valueFor(outputs[i]);
Eric Laurentd4692962014-05-05 18:13:44 -07001679 ALOGV("selectOutputForEffects outputs[%zu] flags %x", i, desc->mFlags);
Eric Laurente552edb2014-03-10 17:42:56 -07001680 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
1681 outputOffloaded = outputs[i];
1682 }
1683 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) != 0) {
1684 outputDeepBuffer = outputs[i];
1685 }
1686 }
1687
1688 ALOGV("selectOutputForEffects outputOffloaded %d outputDeepBuffer %d",
1689 outputOffloaded, outputDeepBuffer);
1690 if (outputOffloaded != 0) {
1691 return outputOffloaded;
1692 }
1693 if (outputDeepBuffer != 0) {
1694 return outputDeepBuffer;
1695 }
1696
1697 return outputs[0];
1698}
1699
Eric Laurente0720872014-03-11 09:30:41 -07001700audio_io_handle_t AudioPolicyManager::getOutputForEffect(const effect_descriptor_t *desc)
Eric Laurente552edb2014-03-10 17:42:56 -07001701{
1702 // apply simple rule where global effects are attached to the same output as MUSIC streams
1703
Eric Laurent3b73df72014-03-11 09:06:29 -07001704 routing_strategy strategy = getStrategy(AUDIO_STREAM_MUSIC);
Eric Laurente552edb2014-03-10 17:42:56 -07001705 audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
1706 SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevice(device, mOutputs);
1707
1708 audio_io_handle_t output = selectOutputForEffects(dstOutputs);
1709 ALOGV("getOutputForEffect() got output %d for fx %s flags %x",
1710 output, (desc == NULL) ? "unspecified" : desc->name, (desc == NULL) ? 0 : desc->flags);
1711
1712 return output;
1713}
1714
Eric Laurente0720872014-03-11 09:30:41 -07001715status_t AudioPolicyManager::registerEffect(const effect_descriptor_t *desc,
Eric Laurente552edb2014-03-10 17:42:56 -07001716 audio_io_handle_t io,
1717 uint32_t strategy,
1718 int session,
1719 int id)
1720{
1721 ssize_t index = mOutputs.indexOfKey(io);
1722 if (index < 0) {
1723 index = mInputs.indexOfKey(io);
1724 if (index < 0) {
1725 ALOGW("registerEffect() unknown io %d", io);
1726 return INVALID_OPERATION;
1727 }
1728 }
1729
1730 if (mTotalEffectsMemory + desc->memoryUsage > getMaxEffectsMemory()) {
1731 ALOGW("registerEffect() memory limit exceeded for Fx %s, Memory %d KB",
1732 desc->name, desc->memoryUsage);
1733 return INVALID_OPERATION;
1734 }
1735 mTotalEffectsMemory += desc->memoryUsage;
1736 ALOGV("registerEffect() effect %s, io %d, strategy %d session %d id %d",
1737 desc->name, io, strategy, session, id);
1738 ALOGV("registerEffect() memory %d, total memory %d", desc->memoryUsage, mTotalEffectsMemory);
1739
Eric Laurent1f2f2232014-06-02 12:01:23 -07001740 sp<EffectDescriptor> effectDesc = new EffectDescriptor();
1741 memcpy (&effectDesc->mDesc, desc, sizeof(effect_descriptor_t));
1742 effectDesc->mIo = io;
1743 effectDesc->mStrategy = (routing_strategy)strategy;
1744 effectDesc->mSession = session;
1745 effectDesc->mEnabled = false;
Eric Laurente552edb2014-03-10 17:42:56 -07001746
Eric Laurent1f2f2232014-06-02 12:01:23 -07001747 mEffects.add(id, effectDesc);
Eric Laurente552edb2014-03-10 17:42:56 -07001748
1749 return NO_ERROR;
1750}
1751
Eric Laurente0720872014-03-11 09:30:41 -07001752status_t AudioPolicyManager::unregisterEffect(int id)
Eric Laurente552edb2014-03-10 17:42:56 -07001753{
1754 ssize_t index = mEffects.indexOfKey(id);
1755 if (index < 0) {
1756 ALOGW("unregisterEffect() unknown effect ID %d", id);
1757 return INVALID_OPERATION;
1758 }
1759
Eric Laurent1f2f2232014-06-02 12:01:23 -07001760 sp<EffectDescriptor> effectDesc = mEffects.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001761
Eric Laurent1f2f2232014-06-02 12:01:23 -07001762 setEffectEnabled(effectDesc, false);
Eric Laurente552edb2014-03-10 17:42:56 -07001763
Eric Laurent1f2f2232014-06-02 12:01:23 -07001764 if (mTotalEffectsMemory < effectDesc->mDesc.memoryUsage) {
Eric Laurente552edb2014-03-10 17:42:56 -07001765 ALOGW("unregisterEffect() memory %d too big for total %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001766 effectDesc->mDesc.memoryUsage, mTotalEffectsMemory);
1767 effectDesc->mDesc.memoryUsage = mTotalEffectsMemory;
Eric Laurente552edb2014-03-10 17:42:56 -07001768 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001769 mTotalEffectsMemory -= effectDesc->mDesc.memoryUsage;
Eric Laurente552edb2014-03-10 17:42:56 -07001770 ALOGV("unregisterEffect() effect %s, ID %d, memory %d total memory %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001771 effectDesc->mDesc.name, id, effectDesc->mDesc.memoryUsage, mTotalEffectsMemory);
Eric Laurente552edb2014-03-10 17:42:56 -07001772
1773 mEffects.removeItem(id);
Eric Laurente552edb2014-03-10 17:42:56 -07001774
1775 return NO_ERROR;
1776}
1777
Eric Laurente0720872014-03-11 09:30:41 -07001778status_t AudioPolicyManager::setEffectEnabled(int id, bool enabled)
Eric Laurente552edb2014-03-10 17:42:56 -07001779{
1780 ssize_t index = mEffects.indexOfKey(id);
1781 if (index < 0) {
1782 ALOGW("unregisterEffect() unknown effect ID %d", id);
1783 return INVALID_OPERATION;
1784 }
1785
1786 return setEffectEnabled(mEffects.valueAt(index), enabled);
1787}
1788
Eric Laurent1f2f2232014-06-02 12:01:23 -07001789status_t AudioPolicyManager::setEffectEnabled(const sp<EffectDescriptor>& effectDesc, bool enabled)
Eric Laurente552edb2014-03-10 17:42:56 -07001790{
Eric Laurent1f2f2232014-06-02 12:01:23 -07001791 if (enabled == effectDesc->mEnabled) {
Eric Laurente552edb2014-03-10 17:42:56 -07001792 ALOGV("setEffectEnabled(%s) effect already %s",
1793 enabled?"true":"false", enabled?"enabled":"disabled");
1794 return INVALID_OPERATION;
1795 }
1796
1797 if (enabled) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001798 if (mTotalEffectsCpuLoad + effectDesc->mDesc.cpuLoad > getMaxEffectsCpuLoad()) {
Eric Laurente552edb2014-03-10 17:42:56 -07001799 ALOGW("setEffectEnabled(true) CPU Load limit exceeded for Fx %s, CPU %f MIPS",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001800 effectDesc->mDesc.name, (float)effectDesc->mDesc.cpuLoad/10);
Eric Laurente552edb2014-03-10 17:42:56 -07001801 return INVALID_OPERATION;
1802 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001803 mTotalEffectsCpuLoad += effectDesc->mDesc.cpuLoad;
Eric Laurente552edb2014-03-10 17:42:56 -07001804 ALOGV("setEffectEnabled(true) total CPU %d", mTotalEffectsCpuLoad);
1805 } else {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001806 if (mTotalEffectsCpuLoad < effectDesc->mDesc.cpuLoad) {
Eric Laurente552edb2014-03-10 17:42:56 -07001807 ALOGW("setEffectEnabled(false) CPU load %d too high for total %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001808 effectDesc->mDesc.cpuLoad, mTotalEffectsCpuLoad);
1809 effectDesc->mDesc.cpuLoad = mTotalEffectsCpuLoad;
Eric Laurente552edb2014-03-10 17:42:56 -07001810 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001811 mTotalEffectsCpuLoad -= effectDesc->mDesc.cpuLoad;
Eric Laurente552edb2014-03-10 17:42:56 -07001812 ALOGV("setEffectEnabled(false) total CPU %d", mTotalEffectsCpuLoad);
1813 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001814 effectDesc->mEnabled = enabled;
Eric Laurente552edb2014-03-10 17:42:56 -07001815 return NO_ERROR;
1816}
1817
Eric Laurente0720872014-03-11 09:30:41 -07001818bool AudioPolicyManager::isNonOffloadableEffectEnabled()
Eric Laurente552edb2014-03-10 17:42:56 -07001819{
1820 for (size_t i = 0; i < mEffects.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001821 sp<EffectDescriptor> effectDesc = mEffects.valueAt(i);
1822 if (effectDesc->mEnabled && (effectDesc->mStrategy == STRATEGY_MEDIA) &&
1823 ((effectDesc->mDesc.flags & EFFECT_FLAG_OFFLOAD_SUPPORTED) == 0)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001824 ALOGV("isNonOffloadableEffectEnabled() non offloadable effect %s enabled on session %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001825 effectDesc->mDesc.name, effectDesc->mSession);
Eric Laurente552edb2014-03-10 17:42:56 -07001826 return true;
1827 }
1828 }
1829 return false;
1830}
1831
Eric Laurente0720872014-03-11 09:30:41 -07001832bool AudioPolicyManager::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
Eric Laurente552edb2014-03-10 17:42:56 -07001833{
1834 nsecs_t sysTime = systemTime();
1835 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001836 const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Eric Laurent3b73df72014-03-11 09:06:29 -07001837 if (outputDesc->isStreamActive(stream, inPastMs, sysTime)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001838 return true;
1839 }
1840 }
1841 return false;
1842}
1843
Eric Laurente0720872014-03-11 09:30:41 -07001844bool AudioPolicyManager::isStreamActiveRemotely(audio_stream_type_t stream,
Eric Laurent3b73df72014-03-11 09:06:29 -07001845 uint32_t inPastMs) const
Eric Laurente552edb2014-03-10 17:42:56 -07001846{
1847 nsecs_t sysTime = systemTime();
1848 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001849 const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001850 if (((outputDesc->device() & APM_AUDIO_OUT_DEVICE_REMOTE_ALL) != 0) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07001851 outputDesc->isStreamActive(stream, inPastMs, sysTime)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001852 return true;
1853 }
1854 }
1855 return false;
1856}
1857
Eric Laurente0720872014-03-11 09:30:41 -07001858bool AudioPolicyManager::isSourceActive(audio_source_t source) const
Eric Laurente552edb2014-03-10 17:42:56 -07001859{
1860 for (size_t i = 0; i < mInputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001861 const sp<AudioInputDescriptor> inputDescriptor = mInputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001862 if ((inputDescriptor->mInputSource == (int)source ||
Eric Laurent3b73df72014-03-11 09:06:29 -07001863 (source == AUDIO_SOURCE_VOICE_RECOGNITION &&
Eric Laurente552edb2014-03-10 17:42:56 -07001864 inputDescriptor->mInputSource == AUDIO_SOURCE_HOTWORD))
1865 && (inputDescriptor->mRefCount > 0)) {
1866 return true;
1867 }
1868 }
1869 return false;
1870}
1871
1872
Eric Laurente0720872014-03-11 09:30:41 -07001873status_t AudioPolicyManager::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07001874{
1875 const size_t SIZE = 256;
1876 char buffer[SIZE];
1877 String8 result;
1878
1879 snprintf(buffer, SIZE, "\nAudioPolicyManager Dump: %p\n", this);
1880 result.append(buffer);
1881
1882 snprintf(buffer, SIZE, " Primary Output: %d\n", mPrimaryOutput);
1883 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07001884 snprintf(buffer, SIZE, " Phone state: %d\n", mPhoneState);
1885 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001886 snprintf(buffer, SIZE, " Force use for communications %d\n",
1887 mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]);
Eric Laurente552edb2014-03-10 17:42:56 -07001888 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001889 snprintf(buffer, SIZE, " Force use for media %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA]);
Eric Laurente552edb2014-03-10 17:42:56 -07001890 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001891 snprintf(buffer, SIZE, " Force use for record %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD]);
Eric Laurente552edb2014-03-10 17:42:56 -07001892 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001893 snprintf(buffer, SIZE, " Force use for dock %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_DOCK]);
Eric Laurente552edb2014-03-10 17:42:56 -07001894 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001895 snprintf(buffer, SIZE, " Force use for system %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM]);
Eric Laurente552edb2014-03-10 17:42:56 -07001896 result.append(buffer);
Jungshik Jang7b24ee32014-07-15 19:38:42 +09001897 snprintf(buffer, SIZE, " Force use for hdmi system audio %d\n",
1898 mForceUse[AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO]);
1899 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07001900
Eric Laurent3a4311c2014-03-17 12:00:47 -07001901 snprintf(buffer, SIZE, " Available output devices:\n");
1902 result.append(buffer);
1903 write(fd, result.string(), result.size());
Eric Laurent3a4311c2014-03-17 12:00:47 -07001904 for (size_t i = 0; i < mAvailableOutputDevices.size(); i++) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07001905 mAvailableOutputDevices[i]->dump(fd, 2, i);
Eric Laurent3a4311c2014-03-17 12:00:47 -07001906 }
1907 snprintf(buffer, SIZE, "\n Available input devices:\n");
1908 write(fd, buffer, strlen(buffer));
Eric Laurent3a4311c2014-03-17 12:00:47 -07001909 for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07001910 mAvailableInputDevices[i]->dump(fd, 2, i);
Eric Laurent3a4311c2014-03-17 12:00:47 -07001911 }
Eric Laurente552edb2014-03-10 17:42:56 -07001912
1913 snprintf(buffer, SIZE, "\nHW Modules dump:\n");
1914 write(fd, buffer, strlen(buffer));
1915 for (size_t i = 0; i < mHwModules.size(); i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07001916 snprintf(buffer, SIZE, "- HW Module %zu:\n", i + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07001917 write(fd, buffer, strlen(buffer));
1918 mHwModules[i]->dump(fd);
1919 }
1920
1921 snprintf(buffer, SIZE, "\nOutputs dump:\n");
1922 write(fd, buffer, strlen(buffer));
1923 for (size_t i = 0; i < mOutputs.size(); i++) {
1924 snprintf(buffer, SIZE, "- Output %d dump:\n", mOutputs.keyAt(i));
1925 write(fd, buffer, strlen(buffer));
1926 mOutputs.valueAt(i)->dump(fd);
1927 }
1928
1929 snprintf(buffer, SIZE, "\nInputs dump:\n");
1930 write(fd, buffer, strlen(buffer));
1931 for (size_t i = 0; i < mInputs.size(); i++) {
1932 snprintf(buffer, SIZE, "- Input %d dump:\n", mInputs.keyAt(i));
1933 write(fd, buffer, strlen(buffer));
1934 mInputs.valueAt(i)->dump(fd);
1935 }
1936
1937 snprintf(buffer, SIZE, "\nStreams dump:\n");
1938 write(fd, buffer, strlen(buffer));
1939 snprintf(buffer, SIZE,
1940 " Stream Can be muted Index Min Index Max Index Cur [device : index]...\n");
1941 write(fd, buffer, strlen(buffer));
Mark Salyzynbeb9e302014-06-18 16:33:15 -07001942 for (size_t i = 0; i < AUDIO_STREAM_CNT; i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07001943 snprintf(buffer, SIZE, " %02zu ", i);
Eric Laurente552edb2014-03-10 17:42:56 -07001944 write(fd, buffer, strlen(buffer));
1945 mStreams[i].dump(fd);
1946 }
1947
1948 snprintf(buffer, SIZE, "\nTotal Effects CPU: %f MIPS, Total Effects memory: %d KB\n",
1949 (float)mTotalEffectsCpuLoad/10, mTotalEffectsMemory);
1950 write(fd, buffer, strlen(buffer));
1951
1952 snprintf(buffer, SIZE, "Registered effects:\n");
1953 write(fd, buffer, strlen(buffer));
1954 for (size_t i = 0; i < mEffects.size(); i++) {
1955 snprintf(buffer, SIZE, "- Effect %d dump:\n", mEffects.keyAt(i));
1956 write(fd, buffer, strlen(buffer));
1957 mEffects.valueAt(i)->dump(fd);
1958 }
1959
Eric Laurent4d416952014-08-10 14:07:09 -07001960 snprintf(buffer, SIZE, "\nAudio Patches:\n");
1961 write(fd, buffer, strlen(buffer));
1962 for (size_t i = 0; i < mAudioPatches.size(); i++) {
1963 mAudioPatches[i]->dump(fd, 2, i);
1964 }
Eric Laurente552edb2014-03-10 17:42:56 -07001965
1966 return NO_ERROR;
1967}
1968
1969// This function checks for the parameters which can be offloaded.
1970// This can be enhanced depending on the capability of the DSP and policy
1971// of the system.
Eric Laurente0720872014-03-11 09:30:41 -07001972bool AudioPolicyManager::isOffloadSupported(const audio_offload_info_t& offloadInfo)
Eric Laurente552edb2014-03-10 17:42:56 -07001973{
1974 ALOGV("isOffloadSupported: SR=%u, CM=0x%x, Format=0x%x, StreamType=%d,"
Eric Laurentd4692962014-05-05 18:13:44 -07001975 " BitRate=%u, duration=%" PRId64 " us, has_video=%d",
Eric Laurente552edb2014-03-10 17:42:56 -07001976 offloadInfo.sample_rate, offloadInfo.channel_mask,
1977 offloadInfo.format,
1978 offloadInfo.stream_type, offloadInfo.bit_rate, offloadInfo.duration_us,
1979 offloadInfo.has_video);
1980
1981 // Check if offload has been disabled
1982 char propValue[PROPERTY_VALUE_MAX];
1983 if (property_get("audio.offload.disable", propValue, "0")) {
1984 if (atoi(propValue) != 0) {
1985 ALOGV("offload disabled by audio.offload.disable=%s", propValue );
1986 return false;
1987 }
1988 }
1989
1990 // Check if stream type is music, then only allow offload as of now.
1991 if (offloadInfo.stream_type != AUDIO_STREAM_MUSIC)
1992 {
1993 ALOGV("isOffloadSupported: stream_type != MUSIC, returning false");
1994 return false;
1995 }
1996
1997 //TODO: enable audio offloading with video when ready
1998 if (offloadInfo.has_video)
1999 {
2000 ALOGV("isOffloadSupported: has_video == true, returning false");
2001 return false;
2002 }
2003
2004 //If duration is less than minimum value defined in property, return false
2005 if (property_get("audio.offload.min.duration.secs", propValue, NULL)) {
2006 if (offloadInfo.duration_us < (atoi(propValue) * 1000000 )) {
2007 ALOGV("Offload denied by duration < audio.offload.min.duration.secs(=%s)", propValue);
2008 return false;
2009 }
2010 } else if (offloadInfo.duration_us < OFFLOAD_DEFAULT_MIN_DURATION_SECS * 1000000) {
2011 ALOGV("Offload denied by duration < default min(=%u)", OFFLOAD_DEFAULT_MIN_DURATION_SECS);
2012 return false;
2013 }
2014
2015 // Do not allow offloading if one non offloadable effect is enabled. This prevents from
2016 // creating an offloaded track and tearing it down immediately after start when audioflinger
2017 // detects there is an active non offloadable effect.
2018 // FIXME: We should check the audio session here but we do not have it in this context.
2019 // This may prevent offloading in rare situations where effects are left active by apps
2020 // in the background.
2021 if (isNonOffloadableEffectEnabled()) {
2022 return false;
2023 }
2024
2025 // See if there is a profile to support this.
2026 // AUDIO_DEVICE_NONE
Eric Laurent1c333e22014-05-20 10:48:17 -07002027 sp<IOProfile> profile = getProfileForDirectOutput(AUDIO_DEVICE_NONE /*ignore device */,
Eric Laurente552edb2014-03-10 17:42:56 -07002028 offloadInfo.sample_rate,
2029 offloadInfo.format,
2030 offloadInfo.channel_mask,
2031 AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD);
Eric Laurent1c333e22014-05-20 10:48:17 -07002032 ALOGV("isOffloadSupported() profile %sfound", profile != 0 ? "" : "NOT ");
2033 return (profile != 0);
Eric Laurente552edb2014-03-10 17:42:56 -07002034}
2035
Eric Laurent6a94d692014-05-20 11:18:06 -07002036status_t AudioPolicyManager::listAudioPorts(audio_port_role_t role,
2037 audio_port_type_t type,
2038 unsigned int *num_ports,
2039 struct audio_port *ports,
2040 unsigned int *generation)
2041{
2042 if (num_ports == NULL || (*num_ports != 0 && ports == NULL) ||
2043 generation == NULL) {
2044 return BAD_VALUE;
2045 }
2046 ALOGV("listAudioPorts() role %d type %d num_ports %d ports %p", role, type, *num_ports, ports);
2047 if (ports == NULL) {
2048 *num_ports = 0;
2049 }
2050
2051 size_t portsWritten = 0;
2052 size_t portsMax = *num_ports;
2053 *num_ports = 0;
2054 if (type == AUDIO_PORT_TYPE_NONE || type == AUDIO_PORT_TYPE_DEVICE) {
2055 if (role == AUDIO_PORT_ROLE_SINK || role == AUDIO_PORT_ROLE_NONE) {
2056 for (size_t i = 0;
2057 i < mAvailableOutputDevices.size() && portsWritten < portsMax; i++) {
2058 mAvailableOutputDevices[i]->toAudioPort(&ports[portsWritten++]);
2059 }
2060 *num_ports += mAvailableOutputDevices.size();
2061 }
2062 if (role == AUDIO_PORT_ROLE_SOURCE || role == AUDIO_PORT_ROLE_NONE) {
2063 for (size_t i = 0;
2064 i < mAvailableInputDevices.size() && portsWritten < portsMax; i++) {
2065 mAvailableInputDevices[i]->toAudioPort(&ports[portsWritten++]);
2066 }
2067 *num_ports += mAvailableInputDevices.size();
2068 }
2069 }
2070 if (type == AUDIO_PORT_TYPE_NONE || type == AUDIO_PORT_TYPE_MIX) {
2071 if (role == AUDIO_PORT_ROLE_SINK || role == AUDIO_PORT_ROLE_NONE) {
2072 for (size_t i = 0; i < mInputs.size() && portsWritten < portsMax; i++) {
2073 mInputs[i]->toAudioPort(&ports[portsWritten++]);
2074 }
2075 *num_ports += mInputs.size();
2076 }
2077 if (role == AUDIO_PORT_ROLE_SOURCE || role == AUDIO_PORT_ROLE_NONE) {
Eric Laurent84c70242014-06-23 08:46:27 -07002078 size_t numOutputs = 0;
2079 for (size_t i = 0; i < mOutputs.size(); i++) {
2080 if (!mOutputs[i]->isDuplicated()) {
2081 numOutputs++;
2082 if (portsWritten < portsMax) {
2083 mOutputs[i]->toAudioPort(&ports[portsWritten++]);
2084 }
2085 }
Eric Laurent6a94d692014-05-20 11:18:06 -07002086 }
Eric Laurent84c70242014-06-23 08:46:27 -07002087 *num_ports += numOutputs;
Eric Laurent6a94d692014-05-20 11:18:06 -07002088 }
2089 }
2090 *generation = curAudioPortGeneration();
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002091 ALOGV("listAudioPorts() got %zu ports needed %d", portsWritten, *num_ports);
Eric Laurent6a94d692014-05-20 11:18:06 -07002092 return NO_ERROR;
2093}
2094
2095status_t AudioPolicyManager::getAudioPort(struct audio_port *port __unused)
2096{
2097 return NO_ERROR;
2098}
2099
Eric Laurent1f2f2232014-06-02 12:01:23 -07002100sp<AudioPolicyManager::AudioOutputDescriptor> AudioPolicyManager::getOutputFromId(
Eric Laurent6a94d692014-05-20 11:18:06 -07002101 audio_port_handle_t id) const
2102{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002103 sp<AudioOutputDescriptor> outputDesc = NULL;
Eric Laurent6a94d692014-05-20 11:18:06 -07002104 for (size_t i = 0; i < mOutputs.size(); i++) {
2105 outputDesc = mOutputs.valueAt(i);
2106 if (outputDesc->mId == id) {
2107 break;
2108 }
2109 }
2110 return outputDesc;
2111}
2112
Eric Laurent1f2f2232014-06-02 12:01:23 -07002113sp<AudioPolicyManager::AudioInputDescriptor> AudioPolicyManager::getInputFromId(
Eric Laurent6a94d692014-05-20 11:18:06 -07002114 audio_port_handle_t id) const
2115{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002116 sp<AudioInputDescriptor> inputDesc = NULL;
Eric Laurent6a94d692014-05-20 11:18:06 -07002117 for (size_t i = 0; i < mInputs.size(); i++) {
2118 inputDesc = mInputs.valueAt(i);
2119 if (inputDesc->mId == id) {
2120 break;
2121 }
2122 }
2123 return inputDesc;
2124}
2125
Eric Laurent1f2f2232014-06-02 12:01:23 -07002126sp <AudioPolicyManager::HwModule> AudioPolicyManager::getModuleForDevice(
2127 audio_devices_t device) const
Eric Laurent6a94d692014-05-20 11:18:06 -07002128{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002129 sp <HwModule> module;
2130
Eric Laurent6a94d692014-05-20 11:18:06 -07002131 for (size_t i = 0; i < mHwModules.size(); i++) {
2132 if (mHwModules[i]->mHandle == 0) {
2133 continue;
2134 }
2135 if (audio_is_output_device(device)) {
2136 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
2137 {
2138 if (mHwModules[i]->mOutputProfiles[j]->mSupportedDevices.types() & device) {
2139 return mHwModules[i];
2140 }
2141 }
2142 } else {
2143 for (size_t j = 0; j < mHwModules[i]->mInputProfiles.size(); j++) {
2144 if (mHwModules[i]->mInputProfiles[j]->mSupportedDevices.types() &
2145 device & ~AUDIO_DEVICE_BIT_IN) {
2146 return mHwModules[i];
2147 }
2148 }
2149 }
2150 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07002151 return module;
Eric Laurent6a94d692014-05-20 11:18:06 -07002152}
2153
Eric Laurent1f2f2232014-06-02 12:01:23 -07002154sp <AudioPolicyManager::HwModule> AudioPolicyManager::getModuleFromName(const char *name) const
Eric Laurent1afeecb2014-05-14 08:52:28 -07002155{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002156 sp <HwModule> module;
2157
Eric Laurent1afeecb2014-05-14 08:52:28 -07002158 for (size_t i = 0; i < mHwModules.size(); i++)
2159 {
2160 if (strcmp(mHwModules[i]->mName, name) == 0) {
2161 return mHwModules[i];
2162 }
2163 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07002164 return module;
Eric Laurent1afeecb2014-05-14 08:52:28 -07002165}
2166
Eric Laurentc2730ba2014-07-20 15:47:07 -07002167audio_devices_t AudioPolicyManager::availablePrimaryOutputDevices()
2168{
2169 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(mPrimaryOutput);
2170 audio_devices_t devices = outputDesc->mProfile->mSupportedDevices.types();
2171 return devices & mAvailableOutputDevices.types();
2172}
2173
2174audio_devices_t AudioPolicyManager::availablePrimaryInputDevices()
2175{
2176 audio_module_handle_t primaryHandle =
2177 mOutputs.valueFor(mPrimaryOutput)->mProfile->mModule->mHandle;
2178 audio_devices_t devices = AUDIO_DEVICE_NONE;
2179 for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
2180 if (mAvailableInputDevices[i]->mModule->mHandle == primaryHandle) {
2181 devices |= mAvailableInputDevices[i]->mDeviceType;
2182 }
2183 }
2184 return devices;
2185}
Eric Laurent1afeecb2014-05-14 08:52:28 -07002186
Eric Laurent6a94d692014-05-20 11:18:06 -07002187status_t AudioPolicyManager::createAudioPatch(const struct audio_patch *patch,
2188 audio_patch_handle_t *handle,
2189 uid_t uid)
2190{
2191 ALOGV("createAudioPatch()");
2192
2193 if (handle == NULL || patch == NULL) {
2194 return BAD_VALUE;
2195 }
2196 ALOGV("createAudioPatch() num sources %d num sinks %d", patch->num_sources, patch->num_sinks);
2197
Eric Laurent874c42872014-08-08 15:13:39 -07002198 if (patch->num_sources == 0 || patch->num_sources > AUDIO_PATCH_PORTS_MAX ||
2199 patch->num_sinks == 0 || patch->num_sinks > AUDIO_PATCH_PORTS_MAX) {
2200 return BAD_VALUE;
2201 }
2202 // only one source per audio patch supported for now
2203 if (patch->num_sources > 1) {
Eric Laurent6a94d692014-05-20 11:18:06 -07002204 return INVALID_OPERATION;
2205 }
Eric Laurent874c42872014-08-08 15:13:39 -07002206
2207 if (patch->sources[0].role != AUDIO_PORT_ROLE_SOURCE) {
Eric Laurent6a94d692014-05-20 11:18:06 -07002208 return INVALID_OPERATION;
2209 }
Eric Laurent874c42872014-08-08 15:13:39 -07002210 for (size_t i = 0; i < patch->num_sinks; i++) {
2211 if (patch->sinks[i].role != AUDIO_PORT_ROLE_SINK) {
2212 return INVALID_OPERATION;
2213 }
2214 }
Eric Laurent6a94d692014-05-20 11:18:06 -07002215
2216 sp<AudioPatch> patchDesc;
2217 ssize_t index = mAudioPatches.indexOfKey(*handle);
2218
Eric Laurent6a94d692014-05-20 11:18:06 -07002219 ALOGV("createAudioPatch source id %d role %d type %d", patch->sources[0].id,
2220 patch->sources[0].role,
2221 patch->sources[0].type);
Eric Laurent874c42872014-08-08 15:13:39 -07002222#if LOG_NDEBUG == 0
2223 for (size_t i = 0; i < patch->num_sinks; i++) {
2224 ALOGV("createAudioPatch sink %d: id %d role %d type %d", i, patch->sinks[i].id,
2225 patch->sinks[i].role,
2226 patch->sinks[i].type);
2227 }
2228#endif
Eric Laurent6a94d692014-05-20 11:18:06 -07002229
2230 if (index >= 0) {
2231 patchDesc = mAudioPatches.valueAt(index);
2232 ALOGV("createAudioPatch() mUidCached %d patchDesc->mUid %d uid %d",
2233 mUidCached, patchDesc->mUid, uid);
2234 if (patchDesc->mUid != mUidCached && uid != patchDesc->mUid) {
2235 return INVALID_OPERATION;
2236 }
2237 } else {
2238 *handle = 0;
2239 }
2240
2241 if (patch->sources[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002242 sp<AudioOutputDescriptor> outputDesc = getOutputFromId(patch->sources[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002243 if (outputDesc == NULL) {
2244 ALOGV("createAudioPatch() output not found for id %d", patch->sources[0].id);
2245 return BAD_VALUE;
2246 }
Eric Laurent84c70242014-06-23 08:46:27 -07002247 ALOG_ASSERT(!outputDesc->isDuplicated(),"duplicated output %d in source in ports",
2248 outputDesc->mIoHandle);
Eric Laurent6a94d692014-05-20 11:18:06 -07002249 if (patchDesc != 0) {
2250 if (patchDesc->mPatch.sources[0].id != patch->sources[0].id) {
2251 ALOGV("createAudioPatch() source id differs for patch current id %d new id %d",
2252 patchDesc->mPatch.sources[0].id, patch->sources[0].id);
2253 return BAD_VALUE;
2254 }
2255 }
Eric Laurent874c42872014-08-08 15:13:39 -07002256 DeviceVector devices;
2257 for (size_t i = 0; i < patch->num_sinks; i++) {
2258 // Only support mix to devices connection
2259 // TODO add support for mix to mix connection
2260 if (patch->sinks[i].type != AUDIO_PORT_TYPE_DEVICE) {
2261 ALOGV("createAudioPatch() source mix but sink is not a device");
2262 return INVALID_OPERATION;
2263 }
2264 sp<DeviceDescriptor> devDesc =
2265 mAvailableOutputDevices.getDeviceFromId(patch->sinks[i].id);
2266 if (devDesc == 0) {
2267 ALOGV("createAudioPatch() out device not found for id %d", patch->sinks[i].id);
2268 return BAD_VALUE;
2269 }
Eric Laurent6a94d692014-05-20 11:18:06 -07002270
Eric Laurent874c42872014-08-08 15:13:39 -07002271 if (!outputDesc->mProfile->isCompatibleProfile(devDesc->mDeviceType,
2272 patch->sources[0].sample_rate,
2273 NULL, // updatedSamplingRate
2274 patch->sources[0].format,
2275 patch->sources[0].channel_mask,
2276 AUDIO_OUTPUT_FLAG_NONE /*FIXME*/)) {
2277 ALOGV("createAudioPatch() profile not supported for device %08x",
2278 devDesc->mDeviceType);
2279 return INVALID_OPERATION;
2280 }
2281 devices.add(devDesc);
2282 }
2283 if (devices.size() == 0) {
Eric Laurent6a94d692014-05-20 11:18:06 -07002284 return INVALID_OPERATION;
2285 }
Eric Laurent874c42872014-08-08 15:13:39 -07002286
Eric Laurent6a94d692014-05-20 11:18:06 -07002287 // TODO: reconfigure output format and channels here
2288 ALOGV("createAudioPatch() setting device %08x on output %d",
Eric Laurent874c42872014-08-08 15:13:39 -07002289 devices.types(), outputDesc->mIoHandle);
2290 setOutputDevice(outputDesc->mIoHandle, devices.types(), true, 0, handle);
Eric Laurent6a94d692014-05-20 11:18:06 -07002291 index = mAudioPatches.indexOfKey(*handle);
2292 if (index >= 0) {
2293 if (patchDesc != 0 && patchDesc != mAudioPatches.valueAt(index)) {
2294 ALOGW("createAudioPatch() setOutputDevice() did not reuse the patch provided");
2295 }
2296 patchDesc = mAudioPatches.valueAt(index);
2297 patchDesc->mUid = uid;
2298 ALOGV("createAudioPatch() success");
2299 } else {
2300 ALOGW("createAudioPatch() setOutputDevice() failed to create a patch");
2301 return INVALID_OPERATION;
2302 }
2303 } else if (patch->sources[0].type == AUDIO_PORT_TYPE_DEVICE) {
2304 if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
2305 // input device to input mix connection
Eric Laurent874c42872014-08-08 15:13:39 -07002306 // only one sink supported when connecting an input device to a mix
2307 if (patch->num_sinks > 1) {
2308 return INVALID_OPERATION;
2309 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07002310 sp<AudioInputDescriptor> inputDesc = getInputFromId(patch->sinks[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002311 if (inputDesc == NULL) {
2312 return BAD_VALUE;
2313 }
2314 if (patchDesc != 0) {
2315 if (patchDesc->mPatch.sinks[0].id != patch->sinks[0].id) {
2316 return BAD_VALUE;
2317 }
2318 }
2319 sp<DeviceDescriptor> devDesc =
2320 mAvailableInputDevices.getDeviceFromId(patch->sources[0].id);
2321 if (devDesc == 0) {
2322 return BAD_VALUE;
2323 }
2324
Eric Laurent84c70242014-06-23 08:46:27 -07002325 if (!inputDesc->mProfile->isCompatibleProfile(devDesc->mDeviceType,
Glenn Kastencbd48022014-07-24 13:46:44 -07002326 patch->sinks[0].sample_rate,
2327 NULL, /*updatedSampleRate*/
Eric Laurent6a94d692014-05-20 11:18:06 -07002328 patch->sinks[0].format,
2329 patch->sinks[0].channel_mask,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002330 // FIXME for the parameter type,
2331 // and the NONE
2332 (audio_output_flags_t)
2333 AUDIO_INPUT_FLAG_NONE)) {
Eric Laurent6a94d692014-05-20 11:18:06 -07002334 return INVALID_OPERATION;
2335 }
2336 // TODO: reconfigure output format and channels here
2337 ALOGV("createAudioPatch() setting device %08x on output %d",
Eric Laurent84c70242014-06-23 08:46:27 -07002338 devDesc->mDeviceType, inputDesc->mIoHandle);
Eric Laurent874c42872014-08-08 15:13:39 -07002339 setInputDevice(inputDesc->mIoHandle, devDesc->mDeviceType, true, handle);
Eric Laurent6a94d692014-05-20 11:18:06 -07002340 index = mAudioPatches.indexOfKey(*handle);
2341 if (index >= 0) {
2342 if (patchDesc != 0 && patchDesc != mAudioPatches.valueAt(index)) {
2343 ALOGW("createAudioPatch() setInputDevice() did not reuse the patch provided");
2344 }
2345 patchDesc = mAudioPatches.valueAt(index);
2346 patchDesc->mUid = uid;
2347 ALOGV("createAudioPatch() success");
2348 } else {
2349 ALOGW("createAudioPatch() setInputDevice() failed to create a patch");
2350 return INVALID_OPERATION;
2351 }
2352 } else if (patch->sinks[0].type == AUDIO_PORT_TYPE_DEVICE) {
2353 // device to device connection
2354 if (patchDesc != 0) {
Eric Laurent874c42872014-08-08 15:13:39 -07002355 if (patchDesc->mPatch.sources[0].id != patch->sources[0].id) {
Eric Laurent6a94d692014-05-20 11:18:06 -07002356 return BAD_VALUE;
2357 }
2358 }
Eric Laurent6a94d692014-05-20 11:18:06 -07002359 sp<DeviceDescriptor> srcDeviceDesc =
2360 mAvailableInputDevices.getDeviceFromId(patch->sources[0].id);
Eric Laurent58f8eb72014-09-12 16:19:41 -07002361 if (srcDeviceDesc == 0) {
2362 return BAD_VALUE;
2363 }
Eric Laurent874c42872014-08-08 15:13:39 -07002364
Eric Laurent6a94d692014-05-20 11:18:06 -07002365 //update source and sink with our own data as the data passed in the patch may
2366 // be incomplete.
2367 struct audio_patch newPatch = *patch;
2368 srcDeviceDesc->toAudioPortConfig(&newPatch.sources[0], &patch->sources[0]);
Eric Laurent6a94d692014-05-20 11:18:06 -07002369
Eric Laurent874c42872014-08-08 15:13:39 -07002370 for (size_t i = 0; i < patch->num_sinks; i++) {
2371 if (patch->sinks[i].type != AUDIO_PORT_TYPE_DEVICE) {
2372 ALOGV("createAudioPatch() source device but one sink is not a device");
2373 return INVALID_OPERATION;
2374 }
2375
2376 sp<DeviceDescriptor> sinkDeviceDesc =
2377 mAvailableOutputDevices.getDeviceFromId(patch->sinks[i].id);
2378 if (sinkDeviceDesc == 0) {
2379 return BAD_VALUE;
2380 }
2381 sinkDeviceDesc->toAudioPortConfig(&newPatch.sinks[i], &patch->sinks[i]);
2382
2383 if (srcDeviceDesc->mModule != sinkDeviceDesc->mModule) {
2384 // only one sink supported when connected devices across HW modules
2385 if (patch->num_sinks > 1) {
Eric Laurent83b88082014-06-20 18:31:16 -07002386 return INVALID_OPERATION;
2387 }
Eric Laurent874c42872014-08-08 15:13:39 -07002388 SortedVector<audio_io_handle_t> outputs =
2389 getOutputsForDevice(sinkDeviceDesc->mDeviceType,
2390 mOutputs);
2391 // if the sink device is reachable via an opened output stream, request to go via
2392 // this output stream by adding a second source to the patch description
Eric Laurent8838a382014-09-08 16:44:28 -07002393 audio_io_handle_t output = selectOutput(outputs,
2394 AUDIO_OUTPUT_FLAG_NONE,
2395 AUDIO_FORMAT_INVALID);
Eric Laurent874c42872014-08-08 15:13:39 -07002396 if (output != AUDIO_IO_HANDLE_NONE) {
2397 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
2398 if (outputDesc->isDuplicated()) {
2399 return INVALID_OPERATION;
2400 }
2401 outputDesc->toAudioPortConfig(&newPatch.sources[1], &patch->sources[0]);
2402 newPatch.num_sources = 2;
2403 }
Eric Laurent83b88082014-06-20 18:31:16 -07002404 }
Eric Laurent6a94d692014-05-20 11:18:06 -07002405 }
2406 // TODO: check from routing capabilities in config file and other conflicting patches
2407
2408 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
2409 if (index >= 0) {
2410 afPatchHandle = patchDesc->mAfPatchHandle;
2411 }
2412
2413 status_t status = mpClientInterface->createAudioPatch(&newPatch,
2414 &afPatchHandle,
2415 0);
2416 ALOGV("createAudioPatch() patch panel returned %d patchHandle %d",
2417 status, afPatchHandle);
2418 if (status == NO_ERROR) {
2419 if (index < 0) {
2420 patchDesc = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
2421 &newPatch, uid);
2422 addAudioPatch(patchDesc->mHandle, patchDesc);
2423 } else {
2424 patchDesc->mPatch = newPatch;
2425 }
2426 patchDesc->mAfPatchHandle = afPatchHandle;
2427 *handle = patchDesc->mHandle;
2428 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07002429 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent6a94d692014-05-20 11:18:06 -07002430 } else {
2431 ALOGW("createAudioPatch() patch panel could not connect device patch, error %d",
2432 status);
2433 return INVALID_OPERATION;
2434 }
2435 } else {
2436 return BAD_VALUE;
2437 }
2438 } else {
2439 return BAD_VALUE;
2440 }
2441 return NO_ERROR;
2442}
2443
2444status_t AudioPolicyManager::releaseAudioPatch(audio_patch_handle_t handle,
2445 uid_t uid)
2446{
2447 ALOGV("releaseAudioPatch() patch %d", handle);
2448
2449 ssize_t index = mAudioPatches.indexOfKey(handle);
2450
2451 if (index < 0) {
2452 return BAD_VALUE;
2453 }
2454 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
2455 ALOGV("releaseAudioPatch() mUidCached %d patchDesc->mUid %d uid %d",
2456 mUidCached, patchDesc->mUid, uid);
2457 if (patchDesc->mUid != mUidCached && uid != patchDesc->mUid) {
2458 return INVALID_OPERATION;
2459 }
2460
2461 struct audio_patch *patch = &patchDesc->mPatch;
2462 patchDesc->mUid = mUidCached;
2463 if (patch->sources[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002464 sp<AudioOutputDescriptor> outputDesc = getOutputFromId(patch->sources[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002465 if (outputDesc == NULL) {
2466 ALOGV("releaseAudioPatch() output not found for id %d", patch->sources[0].id);
2467 return BAD_VALUE;
2468 }
2469
2470 setOutputDevice(outputDesc->mIoHandle,
2471 getNewOutputDevice(outputDesc->mIoHandle, true /*fromCache*/),
2472 true,
2473 0,
2474 NULL);
2475 } else if (patch->sources[0].type == AUDIO_PORT_TYPE_DEVICE) {
2476 if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002477 sp<AudioInputDescriptor> inputDesc = getInputFromId(patch->sinks[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002478 if (inputDesc == NULL) {
2479 ALOGV("releaseAudioPatch() input not found for id %d", patch->sinks[0].id);
2480 return BAD_VALUE;
2481 }
2482 setInputDevice(inputDesc->mIoHandle,
2483 getNewInputDevice(inputDesc->mIoHandle),
2484 true,
2485 NULL);
2486 } else if (patch->sinks[0].type == AUDIO_PORT_TYPE_DEVICE) {
2487 audio_patch_handle_t afPatchHandle = patchDesc->mAfPatchHandle;
2488 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
2489 ALOGV("releaseAudioPatch() patch panel returned %d patchHandle %d",
2490 status, patchDesc->mAfPatchHandle);
2491 removeAudioPatch(patchDesc->mHandle);
2492 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07002493 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent6a94d692014-05-20 11:18:06 -07002494 } else {
2495 return BAD_VALUE;
2496 }
2497 } else {
2498 return BAD_VALUE;
2499 }
2500 return NO_ERROR;
2501}
2502
2503status_t AudioPolicyManager::listAudioPatches(unsigned int *num_patches,
2504 struct audio_patch *patches,
2505 unsigned int *generation)
2506{
2507 if (num_patches == NULL || (*num_patches != 0 && patches == NULL) ||
2508 generation == NULL) {
2509 return BAD_VALUE;
2510 }
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002511 ALOGV("listAudioPatches() num_patches %d patches %p available patches %zu",
Eric Laurent6a94d692014-05-20 11:18:06 -07002512 *num_patches, patches, mAudioPatches.size());
2513 if (patches == NULL) {
2514 *num_patches = 0;
2515 }
2516
2517 size_t patchesWritten = 0;
2518 size_t patchesMax = *num_patches;
2519 for (size_t i = 0;
2520 i < mAudioPatches.size() && patchesWritten < patchesMax; i++) {
2521 patches[patchesWritten] = mAudioPatches[i]->mPatch;
2522 patches[patchesWritten++].id = mAudioPatches[i]->mHandle;
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002523 ALOGV("listAudioPatches() patch %zu num_sources %d num_sinks %d",
Eric Laurent6a94d692014-05-20 11:18:06 -07002524 i, mAudioPatches[i]->mPatch.num_sources, mAudioPatches[i]->mPatch.num_sinks);
2525 }
2526 *num_patches = mAudioPatches.size();
2527
2528 *generation = curAudioPortGeneration();
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002529 ALOGV("listAudioPatches() got %zu patches needed %d", patchesWritten, *num_patches);
Eric Laurent6a94d692014-05-20 11:18:06 -07002530 return NO_ERROR;
2531}
2532
Eric Laurente1715a42014-05-20 11:30:42 -07002533status_t AudioPolicyManager::setAudioPortConfig(const struct audio_port_config *config)
Eric Laurent6a94d692014-05-20 11:18:06 -07002534{
Eric Laurente1715a42014-05-20 11:30:42 -07002535 ALOGV("setAudioPortConfig()");
2536
2537 if (config == NULL) {
2538 return BAD_VALUE;
2539 }
2540 ALOGV("setAudioPortConfig() on port handle %d", config->id);
2541 // Only support gain configuration for now
Eric Laurenta121f902014-06-03 13:32:54 -07002542 if (config->config_mask != AUDIO_PORT_CONFIG_GAIN) {
2543 return INVALID_OPERATION;
Eric Laurente1715a42014-05-20 11:30:42 -07002544 }
2545
Eric Laurenta121f902014-06-03 13:32:54 -07002546 sp<AudioPortConfig> audioPortConfig;
Eric Laurente1715a42014-05-20 11:30:42 -07002547 if (config->type == AUDIO_PORT_TYPE_MIX) {
2548 if (config->role == AUDIO_PORT_ROLE_SOURCE) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002549 sp<AudioOutputDescriptor> outputDesc = getOutputFromId(config->id);
Eric Laurente1715a42014-05-20 11:30:42 -07002550 if (outputDesc == NULL) {
2551 return BAD_VALUE;
2552 }
Eric Laurent84c70242014-06-23 08:46:27 -07002553 ALOG_ASSERT(!outputDesc->isDuplicated(),
2554 "setAudioPortConfig() called on duplicated output %d",
2555 outputDesc->mIoHandle);
Eric Laurenta121f902014-06-03 13:32:54 -07002556 audioPortConfig = outputDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07002557 } else if (config->role == AUDIO_PORT_ROLE_SINK) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002558 sp<AudioInputDescriptor> inputDesc = getInputFromId(config->id);
Eric Laurente1715a42014-05-20 11:30:42 -07002559 if (inputDesc == NULL) {
2560 return BAD_VALUE;
2561 }
Eric Laurenta121f902014-06-03 13:32:54 -07002562 audioPortConfig = inputDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07002563 } else {
2564 return BAD_VALUE;
2565 }
2566 } else if (config->type == AUDIO_PORT_TYPE_DEVICE) {
2567 sp<DeviceDescriptor> deviceDesc;
2568 if (config->role == AUDIO_PORT_ROLE_SOURCE) {
2569 deviceDesc = mAvailableInputDevices.getDeviceFromId(config->id);
2570 } else if (config->role == AUDIO_PORT_ROLE_SINK) {
2571 deviceDesc = mAvailableOutputDevices.getDeviceFromId(config->id);
2572 } else {
2573 return BAD_VALUE;
2574 }
2575 if (deviceDesc == NULL) {
2576 return BAD_VALUE;
2577 }
Eric Laurenta121f902014-06-03 13:32:54 -07002578 audioPortConfig = deviceDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07002579 } else {
2580 return BAD_VALUE;
2581 }
2582
Eric Laurenta121f902014-06-03 13:32:54 -07002583 struct audio_port_config backupConfig;
2584 status_t status = audioPortConfig->applyAudioPortConfig(config, &backupConfig);
2585 if (status == NO_ERROR) {
2586 struct audio_port_config newConfig;
2587 audioPortConfig->toAudioPortConfig(&newConfig, config);
2588 status = mpClientInterface->setAudioPortConfig(&newConfig, 0);
Eric Laurente1715a42014-05-20 11:30:42 -07002589 }
Eric Laurenta121f902014-06-03 13:32:54 -07002590 if (status != NO_ERROR) {
2591 audioPortConfig->applyAudioPortConfig(&backupConfig);
Eric Laurente1715a42014-05-20 11:30:42 -07002592 }
Eric Laurente1715a42014-05-20 11:30:42 -07002593
2594 return status;
Eric Laurent6a94d692014-05-20 11:18:06 -07002595}
2596
2597void AudioPolicyManager::clearAudioPatches(uid_t uid)
2598{
2599 for (ssize_t i = 0; i < (ssize_t)mAudioPatches.size(); i++) {
2600 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(i);
2601 if (patchDesc->mUid == uid) {
2602 // releaseAudioPatch() removes the patch from mAudioPatches
2603 if (releaseAudioPatch(mAudioPatches.keyAt(i), uid) == NO_ERROR) {
2604 i--;
2605 }
2606 }
2607 }
2608}
2609
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07002610status_t AudioPolicyManager::acquireSoundTriggerSession(audio_session_t *session,
2611 audio_io_handle_t *ioHandle,
2612 audio_devices_t *device)
2613{
2614 *session = (audio_session_t)mpClientInterface->newAudioUniqueId();
2615 *ioHandle = (audio_io_handle_t)mpClientInterface->newAudioUniqueId();
2616 *device = getDeviceForInputSource(AUDIO_SOURCE_HOTWORD);
2617
2618 mSoundTriggerSessions.add(*session, *ioHandle);
2619
2620 return NO_ERROR;
2621}
2622
2623status_t AudioPolicyManager::releaseSoundTriggerSession(audio_session_t session)
2624{
2625 ssize_t index = mSoundTriggerSessions.indexOfKey(session);
2626 if (index < 0) {
2627 ALOGW("acquireSoundTriggerSession() session %d not registered", session);
2628 return BAD_VALUE;
2629 }
2630
2631 mSoundTriggerSessions.removeItem(session);
2632 return NO_ERROR;
2633}
2634
Eric Laurent6a94d692014-05-20 11:18:06 -07002635status_t AudioPolicyManager::addAudioPatch(audio_patch_handle_t handle,
2636 const sp<AudioPatch>& patch)
2637{
2638 ssize_t index = mAudioPatches.indexOfKey(handle);
2639
2640 if (index >= 0) {
2641 ALOGW("addAudioPatch() patch %d already in", handle);
2642 return ALREADY_EXISTS;
2643 }
2644 mAudioPatches.add(handle, patch);
2645 ALOGV("addAudioPatch() handle %d af handle %d num_sources %d num_sinks %d source handle %d"
2646 "sink handle %d",
2647 handle, patch->mAfPatchHandle, patch->mPatch.num_sources, patch->mPatch.num_sinks,
2648 patch->mPatch.sources[0].id, patch->mPatch.sinks[0].id);
2649 return NO_ERROR;
2650}
2651
2652status_t AudioPolicyManager::removeAudioPatch(audio_patch_handle_t handle)
2653{
2654 ssize_t index = mAudioPatches.indexOfKey(handle);
2655
2656 if (index < 0) {
2657 ALOGW("removeAudioPatch() patch %d not in", handle);
2658 return ALREADY_EXISTS;
2659 }
2660 ALOGV("removeAudioPatch() handle %d af handle %d", handle,
2661 mAudioPatches.valueAt(index)->mAfPatchHandle);
2662 mAudioPatches.removeItemsAt(index);
2663 return NO_ERROR;
2664}
2665
Eric Laurente552edb2014-03-10 17:42:56 -07002666// ----------------------------------------------------------------------------
Eric Laurente0720872014-03-11 09:30:41 -07002667// AudioPolicyManager
Eric Laurente552edb2014-03-10 17:42:56 -07002668// ----------------------------------------------------------------------------
2669
Eric Laurent3a4311c2014-03-17 12:00:47 -07002670uint32_t AudioPolicyManager::nextUniqueId()
2671{
2672 return android_atomic_inc(&mNextUniqueId);
2673}
2674
Eric Laurent6a94d692014-05-20 11:18:06 -07002675uint32_t AudioPolicyManager::nextAudioPortGeneration()
2676{
2677 return android_atomic_inc(&mAudioPortGeneration);
2678}
2679
Eric Laurente0720872014-03-11 09:30:41 -07002680AudioPolicyManager::AudioPolicyManager(AudioPolicyClientInterface *clientInterface)
Eric Laurente552edb2014-03-10 17:42:56 -07002681 :
2682#ifdef AUDIO_POLICY_TEST
2683 Thread(false),
2684#endif //AUDIO_POLICY_TEST
2685 mPrimaryOutput((audio_io_handle_t)0),
Eric Laurent3b73df72014-03-11 09:06:29 -07002686 mPhoneState(AUDIO_MODE_NORMAL),
Eric Laurente552edb2014-03-10 17:42:56 -07002687 mLimitRingtoneVolume(false), mLastVoiceVolume(-1.0f),
2688 mTotalEffectsCpuLoad(0), mTotalEffectsMemory(0),
Eric Laurent3a4311c2014-03-17 12:00:47 -07002689 mA2dpSuspended(false),
Eric Laurent6a94d692014-05-20 11:18:06 -07002690 mSpeakerDrcEnabled(false), mNextUniqueId(1),
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07002691 mAudioPortGeneration(1),
2692 mBeaconMuteRefCount(0),
2693 mBeaconPlayingRefCount(0),
2694 mBeaconMuted(false)
Eric Laurente552edb2014-03-10 17:42:56 -07002695{
Eric Laurent6a94d692014-05-20 11:18:06 -07002696 mUidCached = getuid();
Eric Laurente552edb2014-03-10 17:42:56 -07002697 mpClientInterface = clientInterface;
2698
Eric Laurent3b73df72014-03-11 09:06:29 -07002699 for (int i = 0; i < AUDIO_POLICY_FORCE_USE_CNT; i++) {
2700 mForceUse[i] = AUDIO_POLICY_FORCE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07002701 }
2702
Eric Laurent1afeecb2014-05-14 08:52:28 -07002703 mDefaultOutputDevice = new DeviceDescriptor(String8(""), AUDIO_DEVICE_OUT_SPEAKER);
Eric Laurente552edb2014-03-10 17:42:56 -07002704 if (loadAudioPolicyConfig(AUDIO_POLICY_VENDOR_CONFIG_FILE) != NO_ERROR) {
2705 if (loadAudioPolicyConfig(AUDIO_POLICY_CONFIG_FILE) != NO_ERROR) {
2706 ALOGE("could not load audio policy configuration file, setting defaults");
2707 defaultAudioPolicyConfig();
2708 }
2709 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002710 // mAvailableOutputDevices and mAvailableInputDevices now contain all attached devices
Eric Laurente552edb2014-03-10 17:42:56 -07002711
2712 // must be done after reading the policy
2713 initializeVolumeCurves();
2714
2715 // open all output streams needed to access attached devices
Eric Laurent3a4311c2014-03-17 12:00:47 -07002716 audio_devices_t outputDeviceTypes = mAvailableOutputDevices.types();
2717 audio_devices_t inputDeviceTypes = mAvailableInputDevices.types() & ~AUDIO_DEVICE_BIT_IN;
Eric Laurente552edb2014-03-10 17:42:56 -07002718 for (size_t i = 0; i < mHwModules.size(); i++) {
2719 mHwModules[i]->mHandle = mpClientInterface->loadHwModule(mHwModules[i]->mName);
2720 if (mHwModules[i]->mHandle == 0) {
2721 ALOGW("could not open HW module %s", mHwModules[i]->mName);
2722 continue;
2723 }
2724 // open all output streams needed to access attached devices
2725 // except for direct output streams that are only opened when they are actually
2726 // required by an app.
Eric Laurent3a4311c2014-03-17 12:00:47 -07002727 // This also validates mAvailableOutputDevices list
Eric Laurente552edb2014-03-10 17:42:56 -07002728 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
2729 {
Eric Laurent1c333e22014-05-20 10:48:17 -07002730 const sp<IOProfile> outProfile = mHwModules[i]->mOutputProfiles[j];
Eric Laurente552edb2014-03-10 17:42:56 -07002731
Eric Laurent3a4311c2014-03-17 12:00:47 -07002732 if (outProfile->mSupportedDevices.isEmpty()) {
2733 ALOGW("Output profile contains no device on module %s", mHwModules[i]->mName);
2734 continue;
2735 }
2736
Eric Laurentd78f1532014-09-16 16:38:20 -07002737 if ((outProfile->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) {
2738 continue;
2739 }
Eric Laurent83b88082014-06-20 18:31:16 -07002740 audio_devices_t profileType = outProfile->mSupportedDevices.types();
2741 if ((profileType & mDefaultOutputDevice->mDeviceType) != AUDIO_DEVICE_NONE) {
2742 profileType = mDefaultOutputDevice->mDeviceType;
2743 } else {
Eric Laurentd78f1532014-09-16 16:38:20 -07002744 // chose first device present in mSupportedDevices also part of
2745 // outputDeviceTypes
2746 for (size_t k = 0; k < outProfile->mSupportedDevices.size(); k++) {
2747 profileType = outProfile->mSupportedDevices[k]->mDeviceType;
2748 if ((profileType & outputDeviceTypes) != 0) {
2749 break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07002750 }
Eric Laurente552edb2014-03-10 17:42:56 -07002751 }
2752 }
Eric Laurentd78f1532014-09-16 16:38:20 -07002753 if ((profileType & outputDeviceTypes) == 0) {
2754 continue;
2755 }
2756 sp<AudioOutputDescriptor> outputDesc = new AudioOutputDescriptor(outProfile);
2757
2758 outputDesc->mDevice = profileType;
2759 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
2760 config.sample_rate = outputDesc->mSamplingRate;
2761 config.channel_mask = outputDesc->mChannelMask;
2762 config.format = outputDesc->mFormat;
2763 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
2764 status_t status = mpClientInterface->openOutput(outProfile->mModule->mHandle,
2765 &output,
2766 &config,
2767 &outputDesc->mDevice,
2768 String8(""),
2769 &outputDesc->mLatency,
2770 outputDesc->mFlags);
2771
2772 if (status != NO_ERROR) {
2773 ALOGW("Cannot open output stream for device %08x on hw module %s",
2774 outputDesc->mDevice,
2775 mHwModules[i]->mName);
2776 } else {
2777 outputDesc->mSamplingRate = config.sample_rate;
2778 outputDesc->mChannelMask = config.channel_mask;
2779 outputDesc->mFormat = config.format;
2780
2781 for (size_t k = 0; k < outProfile->mSupportedDevices.size(); k++) {
2782 audio_devices_t type = outProfile->mSupportedDevices[k]->mDeviceType;
2783 ssize_t index =
2784 mAvailableOutputDevices.indexOf(outProfile->mSupportedDevices[k]);
2785 // give a valid ID to an attached device once confirmed it is reachable
2786 if ((index >= 0) && (mAvailableOutputDevices[index]->mId == 0)) {
2787 mAvailableOutputDevices[index]->mId = nextUniqueId();
2788 mAvailableOutputDevices[index]->mModule = mHwModules[i];
2789 }
2790 }
2791 if (mPrimaryOutput == 0 &&
2792 outProfile->mFlags & AUDIO_OUTPUT_FLAG_PRIMARY) {
2793 mPrimaryOutput = output;
2794 }
2795 addOutput(output, outputDesc);
2796 setOutputDevice(output,
2797 outputDesc->mDevice,
2798 true);
2799 }
Eric Laurente552edb2014-03-10 17:42:56 -07002800 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002801 // open input streams needed to access attached devices to validate
2802 // mAvailableInputDevices list
2803 for (size_t j = 0; j < mHwModules[i]->mInputProfiles.size(); j++)
2804 {
Eric Laurent1c333e22014-05-20 10:48:17 -07002805 const sp<IOProfile> inProfile = mHwModules[i]->mInputProfiles[j];
Eric Laurente552edb2014-03-10 17:42:56 -07002806
Eric Laurent3a4311c2014-03-17 12:00:47 -07002807 if (inProfile->mSupportedDevices.isEmpty()) {
2808 ALOGW("Input profile contains no device on module %s", mHwModules[i]->mName);
2809 continue;
2810 }
Eric Laurentd78f1532014-09-16 16:38:20 -07002811 // chose first device present in mSupportedDevices also part of
2812 // inputDeviceTypes
2813 audio_devices_t profileType = AUDIO_DEVICE_NONE;
2814 for (size_t k = 0; k < inProfile->mSupportedDevices.size(); k++) {
2815 profileType = inProfile->mSupportedDevices[k]->mDeviceType;
2816 if (profileType & inputDeviceTypes) {
2817 break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07002818 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002819 }
Eric Laurentd78f1532014-09-16 16:38:20 -07002820 if ((profileType & inputDeviceTypes) == 0) {
2821 continue;
2822 }
2823 sp<AudioInputDescriptor> inputDesc = new AudioInputDescriptor(inProfile);
2824
2825 inputDesc->mInputSource = AUDIO_SOURCE_MIC;
2826 inputDesc->mDevice = profileType;
2827
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -07002828 // find the address
2829 DeviceVector inputDevices = mAvailableInputDevices.getDevicesFromType(profileType);
2830 // the inputs vector must be of size 1, but we don't want to crash here
2831 String8 address = inputDevices.size() > 0 ? inputDevices.itemAt(0)->mAddress
2832 : String8("");
2833 ALOGV(" for input device 0x%x using address %s", profileType, address.string());
2834 ALOGE_IF(inputDevices.size() == 0, "Input device list is empty!");
2835
Eric Laurentd78f1532014-09-16 16:38:20 -07002836 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
2837 config.sample_rate = inputDesc->mSamplingRate;
2838 config.channel_mask = inputDesc->mChannelMask;
2839 config.format = inputDesc->mFormat;
2840 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
2841 status_t status = mpClientInterface->openInput(inProfile->mModule->mHandle,
2842 &input,
2843 &config,
2844 &inputDesc->mDevice,
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -07002845 address,
Eric Laurentd78f1532014-09-16 16:38:20 -07002846 AUDIO_SOURCE_MIC,
2847 AUDIO_INPUT_FLAG_NONE);
2848
2849 if (status == NO_ERROR) {
2850 for (size_t k = 0; k < inProfile->mSupportedDevices.size(); k++) {
2851 audio_devices_t type = inProfile->mSupportedDevices[k]->mDeviceType;
2852 ssize_t index =
2853 mAvailableInputDevices.indexOf(inProfile->mSupportedDevices[k]);
2854 // give a valid ID to an attached device once confirmed it is reachable
2855 if ((index >= 0) && (mAvailableInputDevices[index]->mId == 0)) {
2856 mAvailableInputDevices[index]->mId = nextUniqueId();
2857 mAvailableInputDevices[index]->mModule = mHwModules[i];
2858 }
2859 }
2860 mpClientInterface->closeInput(input);
2861 } else {
2862 ALOGW("Cannot open input stream for device %08x on hw module %s",
2863 inputDesc->mDevice,
2864 mHwModules[i]->mName);
2865 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002866 }
2867 }
2868 // make sure all attached devices have been allocated a unique ID
2869 for (size_t i = 0; i < mAvailableOutputDevices.size();) {
2870 if (mAvailableOutputDevices[i]->mId == 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002871 ALOGW("Input device %08x unreachable", mAvailableOutputDevices[i]->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002872 mAvailableOutputDevices.remove(mAvailableOutputDevices[i]);
2873 continue;
2874 }
2875 i++;
2876 }
2877 for (size_t i = 0; i < mAvailableInputDevices.size();) {
2878 if (mAvailableInputDevices[i]->mId == 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002879 ALOGW("Input device %08x unreachable", mAvailableInputDevices[i]->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002880 mAvailableInputDevices.remove(mAvailableInputDevices[i]);
2881 continue;
2882 }
2883 i++;
2884 }
2885 // make sure default device is reachable
2886 if (mAvailableOutputDevices.indexOf(mDefaultOutputDevice) < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002887 ALOGE("Default device %08x is unreachable", mDefaultOutputDevice->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002888 }
Eric Laurente552edb2014-03-10 17:42:56 -07002889
2890 ALOGE_IF((mPrimaryOutput == 0), "Failed to open primary output");
2891
2892 updateDevicesAndOutputs();
2893
2894#ifdef AUDIO_POLICY_TEST
2895 if (mPrimaryOutput != 0) {
2896 AudioParameter outputCmd = AudioParameter();
2897 outputCmd.addInt(String8("set_id"), 0);
2898 mpClientInterface->setParameters(mPrimaryOutput, outputCmd.toString());
2899
2900 mTestDevice = AUDIO_DEVICE_OUT_SPEAKER;
2901 mTestSamplingRate = 44100;
Eric Laurent3b73df72014-03-11 09:06:29 -07002902 mTestFormat = AUDIO_FORMAT_PCM_16_BIT;
2903 mTestChannels = AUDIO_CHANNEL_OUT_STEREO;
Eric Laurente552edb2014-03-10 17:42:56 -07002904 mTestLatencyMs = 0;
2905 mCurOutput = 0;
2906 mDirectOutput = false;
2907 for (int i = 0; i < NUM_TEST_OUTPUTS; i++) {
2908 mTestOutputs[i] = 0;
2909 }
2910
2911 const size_t SIZE = 256;
2912 char buffer[SIZE];
2913 snprintf(buffer, SIZE, "AudioPolicyManagerTest");
2914 run(buffer, ANDROID_PRIORITY_AUDIO);
2915 }
2916#endif //AUDIO_POLICY_TEST
2917}
2918
Eric Laurente0720872014-03-11 09:30:41 -07002919AudioPolicyManager::~AudioPolicyManager()
Eric Laurente552edb2014-03-10 17:42:56 -07002920{
2921#ifdef AUDIO_POLICY_TEST
2922 exit();
2923#endif //AUDIO_POLICY_TEST
2924 for (size_t i = 0; i < mOutputs.size(); i++) {
2925 mpClientInterface->closeOutput(mOutputs.keyAt(i));
Eric Laurente552edb2014-03-10 17:42:56 -07002926 }
2927 for (size_t i = 0; i < mInputs.size(); i++) {
2928 mpClientInterface->closeInput(mInputs.keyAt(i));
Eric Laurente552edb2014-03-10 17:42:56 -07002929 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002930 mAvailableOutputDevices.clear();
2931 mAvailableInputDevices.clear();
Eric Laurent1f2f2232014-06-02 12:01:23 -07002932 mOutputs.clear();
2933 mInputs.clear();
2934 mHwModules.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07002935}
2936
Eric Laurente0720872014-03-11 09:30:41 -07002937status_t AudioPolicyManager::initCheck()
Eric Laurente552edb2014-03-10 17:42:56 -07002938{
2939 return (mPrimaryOutput == 0) ? NO_INIT : NO_ERROR;
2940}
2941
2942#ifdef AUDIO_POLICY_TEST
Eric Laurente0720872014-03-11 09:30:41 -07002943bool AudioPolicyManager::threadLoop()
Eric Laurente552edb2014-03-10 17:42:56 -07002944{
2945 ALOGV("entering threadLoop()");
2946 while (!exitPending())
2947 {
2948 String8 command;
2949 int valueInt;
2950 String8 value;
2951
2952 Mutex::Autolock _l(mLock);
2953 mWaitWorkCV.waitRelative(mLock, milliseconds(50));
2954
2955 command = mpClientInterface->getParameters(0, String8("test_cmd_policy"));
2956 AudioParameter param = AudioParameter(command);
2957
2958 if (param.getInt(String8("test_cmd_policy"), valueInt) == NO_ERROR &&
2959 valueInt != 0) {
2960 ALOGV("Test command %s received", command.string());
2961 String8 target;
2962 if (param.get(String8("target"), target) != NO_ERROR) {
2963 target = "Manager";
2964 }
2965 if (param.getInt(String8("test_cmd_policy_output"), valueInt) == NO_ERROR) {
2966 param.remove(String8("test_cmd_policy_output"));
2967 mCurOutput = valueInt;
2968 }
2969 if (param.get(String8("test_cmd_policy_direct"), value) == NO_ERROR) {
2970 param.remove(String8("test_cmd_policy_direct"));
2971 if (value == "false") {
2972 mDirectOutput = false;
2973 } else if (value == "true") {
2974 mDirectOutput = true;
2975 }
2976 }
2977 if (param.getInt(String8("test_cmd_policy_input"), valueInt) == NO_ERROR) {
2978 param.remove(String8("test_cmd_policy_input"));
2979 mTestInput = valueInt;
2980 }
2981
2982 if (param.get(String8("test_cmd_policy_format"), value) == NO_ERROR) {
2983 param.remove(String8("test_cmd_policy_format"));
Eric Laurent3b73df72014-03-11 09:06:29 -07002984 int format = AUDIO_FORMAT_INVALID;
Eric Laurente552edb2014-03-10 17:42:56 -07002985 if (value == "PCM 16 bits") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002986 format = AUDIO_FORMAT_PCM_16_BIT;
Eric Laurente552edb2014-03-10 17:42:56 -07002987 } else if (value == "PCM 8 bits") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002988 format = AUDIO_FORMAT_PCM_8_BIT;
Eric Laurente552edb2014-03-10 17:42:56 -07002989 } else if (value == "Compressed MP3") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002990 format = AUDIO_FORMAT_MP3;
Eric Laurente552edb2014-03-10 17:42:56 -07002991 }
Eric Laurent3b73df72014-03-11 09:06:29 -07002992 if (format != AUDIO_FORMAT_INVALID) {
Eric Laurente552edb2014-03-10 17:42:56 -07002993 if (target == "Manager") {
2994 mTestFormat = format;
2995 } else if (mTestOutputs[mCurOutput] != 0) {
2996 AudioParameter outputParam = AudioParameter();
2997 outputParam.addInt(String8("format"), format);
2998 mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
2999 }
3000 }
3001 }
3002 if (param.get(String8("test_cmd_policy_channels"), value) == NO_ERROR) {
3003 param.remove(String8("test_cmd_policy_channels"));
3004 int channels = 0;
3005
3006 if (value == "Channels Stereo") {
Eric Laurent3b73df72014-03-11 09:06:29 -07003007 channels = AUDIO_CHANNEL_OUT_STEREO;
Eric Laurente552edb2014-03-10 17:42:56 -07003008 } else if (value == "Channels Mono") {
Eric Laurent3b73df72014-03-11 09:06:29 -07003009 channels = AUDIO_CHANNEL_OUT_MONO;
Eric Laurente552edb2014-03-10 17:42:56 -07003010 }
3011 if (channels != 0) {
3012 if (target == "Manager") {
3013 mTestChannels = channels;
3014 } else if (mTestOutputs[mCurOutput] != 0) {
3015 AudioParameter outputParam = AudioParameter();
3016 outputParam.addInt(String8("channels"), channels);
3017 mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
3018 }
3019 }
3020 }
3021 if (param.getInt(String8("test_cmd_policy_sampleRate"), valueInt) == NO_ERROR) {
3022 param.remove(String8("test_cmd_policy_sampleRate"));
3023 if (valueInt >= 0 && valueInt <= 96000) {
3024 int samplingRate = valueInt;
3025 if (target == "Manager") {
3026 mTestSamplingRate = samplingRate;
3027 } else if (mTestOutputs[mCurOutput] != 0) {
3028 AudioParameter outputParam = AudioParameter();
3029 outputParam.addInt(String8("sampling_rate"), samplingRate);
3030 mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
3031 }
3032 }
3033 }
3034
3035 if (param.get(String8("test_cmd_policy_reopen"), value) == NO_ERROR) {
3036 param.remove(String8("test_cmd_policy_reopen"));
3037
Eric Laurent1f2f2232014-06-02 12:01:23 -07003038 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(mPrimaryOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07003039 mpClientInterface->closeOutput(mPrimaryOutput);
3040
3041 audio_module_handle_t moduleHandle = outputDesc->mModule->mHandle;
3042
Eric Laurente552edb2014-03-10 17:42:56 -07003043 mOutputs.removeItem(mPrimaryOutput);
3044
Eric Laurent1f2f2232014-06-02 12:01:23 -07003045 sp<AudioOutputDescriptor> outputDesc = new AudioOutputDescriptor(NULL);
Eric Laurente552edb2014-03-10 17:42:56 -07003046 outputDesc->mDevice = AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurentcf2c0212014-07-25 16:20:43 -07003047 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
3048 config.sample_rate = outputDesc->mSamplingRate;
3049 config.channel_mask = outputDesc->mChannelMask;
3050 config.format = outputDesc->mFormat;
3051 status_t status = mpClientInterface->openOutput(moduleHandle,
3052 &mPrimaryOutput,
3053 &config,
3054 &outputDesc->mDevice,
3055 String8(""),
3056 &outputDesc->mLatency,
3057 outputDesc->mFlags);
3058 if (status != NO_ERROR) {
3059 ALOGE("Failed to reopen hardware output stream, "
3060 "samplingRate: %d, format %d, channels %d",
3061 outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannelMask);
Eric Laurente552edb2014-03-10 17:42:56 -07003062 } else {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003063 outputDesc->mSamplingRate = config.sample_rate;
3064 outputDesc->mChannelMask = config.channel_mask;
3065 outputDesc->mFormat = config.format;
Eric Laurente552edb2014-03-10 17:42:56 -07003066 AudioParameter outputCmd = AudioParameter();
3067 outputCmd.addInt(String8("set_id"), 0);
3068 mpClientInterface->setParameters(mPrimaryOutput, outputCmd.toString());
3069 addOutput(mPrimaryOutput, outputDesc);
3070 }
3071 }
3072
3073
3074 mpClientInterface->setParameters(0, String8("test_cmd_policy="));
3075 }
3076 }
3077 return false;
3078}
3079
Eric Laurente0720872014-03-11 09:30:41 -07003080void AudioPolicyManager::exit()
Eric Laurente552edb2014-03-10 17:42:56 -07003081{
3082 {
3083 AutoMutex _l(mLock);
3084 requestExit();
3085 mWaitWorkCV.signal();
3086 }
3087 requestExitAndWait();
3088}
3089
Eric Laurente0720872014-03-11 09:30:41 -07003090int AudioPolicyManager::testOutputIndex(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07003091{
3092 for (int i = 0; i < NUM_TEST_OUTPUTS; i++) {
3093 if (output == mTestOutputs[i]) return i;
3094 }
3095 return 0;
3096}
3097#endif //AUDIO_POLICY_TEST
3098
3099// ---
3100
Eric Laurent1f2f2232014-06-02 12:01:23 -07003101void AudioPolicyManager::addOutput(audio_io_handle_t output, sp<AudioOutputDescriptor> outputDesc)
Eric Laurente552edb2014-03-10 17:42:56 -07003102{
Eric Laurent1c333e22014-05-20 10:48:17 -07003103 outputDesc->mIoHandle = output;
3104 outputDesc->mId = nextUniqueId();
3105 mOutputs.add(output, outputDesc);
Eric Laurent6a94d692014-05-20 11:18:06 -07003106 nextAudioPortGeneration();
Eric Laurente552edb2014-03-10 17:42:56 -07003107}
3108
Eric Laurent1f2f2232014-06-02 12:01:23 -07003109void AudioPolicyManager::addInput(audio_io_handle_t input, sp<AudioInputDescriptor> inputDesc)
Eric Laurentd4692962014-05-05 18:13:44 -07003110{
Eric Laurent1c333e22014-05-20 10:48:17 -07003111 inputDesc->mIoHandle = input;
3112 inputDesc->mId = nextUniqueId();
3113 mInputs.add(input, inputDesc);
Eric Laurent6a94d692014-05-20 11:18:06 -07003114 nextAudioPortGeneration();
Eric Laurentd4692962014-05-05 18:13:44 -07003115}
Eric Laurente552edb2014-03-10 17:42:56 -07003116
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003117void AudioPolicyManager::findIoHandlesByAddress(sp<AudioOutputDescriptor> desc /*in*/,
3118 const String8 address /*in*/,
3119 SortedVector<audio_io_handle_t>& outputs /*out*/) {
3120 // look for a match on the given address on the addresses of the outputs:
3121 // find the address by finding the patch that maps to this output
3122 ssize_t patchIdx = mAudioPatches.indexOfKey(desc->mPatchHandle);
3123 //ALOGV(" inspecting output %d (patch %d) for supported device=0x%x",
3124 // outputIdx, patchIdx, desc->mProfile->mSupportedDevices.types());
3125 if (patchIdx >= 0) {
3126 const sp<AudioPatch> patchDesc = mAudioPatches.valueAt(patchIdx);
3127 const int numSinks = patchDesc->mPatch.num_sinks;
3128 for (ssize_t j=0; j < numSinks; j++) {
3129 if (patchDesc->mPatch.sinks[j].type == AUDIO_PORT_TYPE_DEVICE) {
3130 const char* patchAddr =
3131 patchDesc->mPatch.sinks[j].ext.device.address;
3132 if (strncmp(patchAddr,
3133 address.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0) {
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07003134 ALOGV("findIoHandlesByAddress(): adding opened output %d on same address %s",
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003135 desc->mIoHandle, patchDesc->mPatch.sinks[j].ext.device.address);
3136 outputs.add(desc->mIoHandle);
3137 break;
3138 }
3139 }
3140 }
3141 }
3142}
3143
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07003144status_t AudioPolicyManager::checkOutputsForDevice(const sp<DeviceDescriptor> devDesc,
Eric Laurent3b73df72014-03-11 09:06:29 -07003145 audio_policy_dev_state_t state,
Eric Laurente552edb2014-03-10 17:42:56 -07003146 SortedVector<audio_io_handle_t>& outputs,
Eric Laurent3a4311c2014-03-17 12:00:47 -07003147 const String8 address)
Eric Laurente552edb2014-03-10 17:42:56 -07003148{
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07003149 audio_devices_t device = devDesc->mDeviceType;
Eric Laurent1f2f2232014-06-02 12:01:23 -07003150 sp<AudioOutputDescriptor> desc;
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07003151 // erase all current sample rates, formats and channel masks
3152 devDesc->clearCapabilities();
Eric Laurente552edb2014-03-10 17:42:56 -07003153
Eric Laurent3b73df72014-03-11 09:06:29 -07003154 if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
Eric Laurente552edb2014-03-10 17:42:56 -07003155 // first list already open outputs that can be routed to this device
3156 for (size_t i = 0; i < mOutputs.size(); i++) {
3157 desc = mOutputs.valueAt(i);
Eric Laurent3a4311c2014-03-17 12:00:47 -07003158 if (!desc->isDuplicated() && (desc->mProfile->mSupportedDevices.types() & device)) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003159 if (!deviceDistinguishesOnAddress(device)) {
3160 ALOGV("checkOutputsForDevice(): adding opened output %d", mOutputs.keyAt(i));
3161 outputs.add(mOutputs.keyAt(i));
3162 } else {
3163 ALOGV(" checking address match due to device 0x%x", device);
3164 findIoHandlesByAddress(desc, address, outputs);
3165 }
Eric Laurente552edb2014-03-10 17:42:56 -07003166 }
3167 }
3168 // then look for output profiles that can be routed to this device
Eric Laurent1c333e22014-05-20 10:48:17 -07003169 SortedVector< sp<IOProfile> > profiles;
Eric Laurente552edb2014-03-10 17:42:56 -07003170 for (size_t i = 0; i < mHwModules.size(); i++)
3171 {
3172 if (mHwModules[i]->mHandle == 0) {
3173 continue;
3174 }
3175 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
3176 {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003177 if (mHwModules[i]->mOutputProfiles[j]->mSupportedDevices.types() & device) {
Eric Laurentd4692962014-05-05 18:13:44 -07003178 ALOGV("checkOutputsForDevice(): adding profile %zu from module %zu", j, i);
Eric Laurente552edb2014-03-10 17:42:56 -07003179 profiles.add(mHwModules[i]->mOutputProfiles[j]);
3180 }
3181 }
3182 }
3183
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003184 ALOGV(" found %d profiles, %d outputs", profiles.size(), outputs.size());
3185
Eric Laurente552edb2014-03-10 17:42:56 -07003186 if (profiles.isEmpty() && outputs.isEmpty()) {
3187 ALOGW("checkOutputsForDevice(): No output available for device %04x", device);
3188 return BAD_VALUE;
3189 }
3190
3191 // open outputs for matching profiles if needed. Direct outputs are also opened to
3192 // query for dynamic parameters and will be closed later by setDeviceConnectionState()
3193 for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003194 sp<IOProfile> profile = profiles[profile_index];
Eric Laurente552edb2014-03-10 17:42:56 -07003195
3196 // nothing to do if one output is already opened for this profile
3197 size_t j;
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003198 for (j = 0; j < outputs.size(); j++) {
3199 desc = mOutputs.valueFor(outputs.itemAt(j));
Eric Laurente552edb2014-03-10 17:42:56 -07003200 if (!desc->isDuplicated() && desc->mProfile == profile) {
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07003201 // matching profile: save the sample rates, format and channel masks supported
3202 // by the profile in our device descriptor
3203 devDesc->importAudioPort(profile);
Eric Laurente552edb2014-03-10 17:42:56 -07003204 break;
3205 }
3206 }
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003207 if (j != outputs.size()) {
Eric Laurente552edb2014-03-10 17:42:56 -07003208 continue;
3209 }
3210
Eric Laurent83b88082014-06-20 18:31:16 -07003211 ALOGV("opening output for device %08x with params %s profile %p",
3212 device, address.string(), profile.get());
Eric Laurente552edb2014-03-10 17:42:56 -07003213 desc = new AudioOutputDescriptor(profile);
3214 desc->mDevice = device;
Eric Laurentcf2c0212014-07-25 16:20:43 -07003215 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
3216 config.sample_rate = desc->mSamplingRate;
3217 config.channel_mask = desc->mChannelMask;
3218 config.format = desc->mFormat;
3219 config.offload_info.sample_rate = desc->mSamplingRate;
3220 config.offload_info.channel_mask = desc->mChannelMask;
3221 config.offload_info.format = desc->mFormat;
3222 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
3223 status_t status = mpClientInterface->openOutput(profile->mModule->mHandle,
3224 &output,
3225 &config,
3226 &desc->mDevice,
3227 address,
3228 &desc->mLatency,
3229 desc->mFlags);
3230 if (status == NO_ERROR) {
3231 desc->mSamplingRate = config.sample_rate;
3232 desc->mChannelMask = config.channel_mask;
3233 desc->mFormat = config.format;
Eric Laurente552edb2014-03-10 17:42:56 -07003234
Eric Laurentd4692962014-05-05 18:13:44 -07003235 // Here is where the out_set_parameters() for card & device gets called
Eric Laurent3a4311c2014-03-17 12:00:47 -07003236 if (!address.isEmpty()) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003237 char *param = audio_device_address_to_parameter(device, address);
3238 mpClientInterface->setParameters(output, String8(param));
3239 free(param);
Eric Laurente552edb2014-03-10 17:42:56 -07003240 }
3241
Eric Laurentd4692962014-05-05 18:13:44 -07003242 // Here is where we step through and resolve any "dynamic" fields
3243 String8 reply;
3244 char *value;
3245 if (profile->mSamplingRates[0] == 0) {
3246 reply = mpClientInterface->getParameters(output,
3247 String8(AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003248 ALOGV("checkOutputsForDevice() supported sampling rates %s",
Eric Laurentd4692962014-05-05 18:13:44 -07003249 reply.string());
3250 value = strpbrk((char *)reply.string(), "=");
3251 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003252 profile->loadSamplingRates(value + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07003253 }
Eric Laurentd4692962014-05-05 18:13:44 -07003254 }
3255 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3256 reply = mpClientInterface->getParameters(output,
3257 String8(AUDIO_PARAMETER_STREAM_SUP_FORMATS));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003258 ALOGV("checkOutputsForDevice() supported formats %s",
Eric Laurentd4692962014-05-05 18:13:44 -07003259 reply.string());
3260 value = strpbrk((char *)reply.string(), "=");
3261 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003262 profile->loadFormats(value + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07003263 }
Eric Laurentd4692962014-05-05 18:13:44 -07003264 }
3265 if (profile->mChannelMasks[0] == 0) {
3266 reply = mpClientInterface->getParameters(output,
3267 String8(AUDIO_PARAMETER_STREAM_SUP_CHANNELS));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003268 ALOGV("checkOutputsForDevice() supported channel masks %s",
Eric Laurentd4692962014-05-05 18:13:44 -07003269 reply.string());
3270 value = strpbrk((char *)reply.string(), "=");
3271 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003272 profile->loadOutChannels(value + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07003273 }
Eric Laurentd4692962014-05-05 18:13:44 -07003274 }
3275 if (((profile->mSamplingRates[0] == 0) &&
3276 (profile->mSamplingRates.size() < 2)) ||
3277 ((profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) &&
3278 (profile->mFormats.size() < 2)) ||
3279 ((profile->mChannelMasks[0] == 0) &&
3280 (profile->mChannelMasks.size() < 2))) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003281 ALOGW("checkOutputsForDevice() missing param");
Eric Laurentd4692962014-05-05 18:13:44 -07003282 mpClientInterface->closeOutput(output);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003283 output = AUDIO_IO_HANDLE_NONE;
Eric Laurent1e693b52014-07-09 15:03:28 -07003284 } else if (profile->mSamplingRates[0] == 0 || profile->mFormats[0] == 0 ||
3285 profile->mChannelMasks[0] == 0) {
Eric Laurentd4692962014-05-05 18:13:44 -07003286 mpClientInterface->closeOutput(output);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003287 config.sample_rate = profile->pickSamplingRate();
3288 config.channel_mask = profile->pickChannelMask();
3289 config.format = profile->pickFormat();
3290 config.offload_info.sample_rate = config.sample_rate;
3291 config.offload_info.channel_mask = config.channel_mask;
3292 config.offload_info.format = config.format;
3293 status = mpClientInterface->openOutput(profile->mModule->mHandle,
3294 &output,
3295 &config,
3296 &desc->mDevice,
3297 address,
3298 &desc->mLatency,
3299 desc->mFlags);
3300 if (status == NO_ERROR) {
3301 desc->mSamplingRate = config.sample_rate;
3302 desc->mChannelMask = config.channel_mask;
3303 desc->mFormat = config.format;
3304 } else {
3305 output = AUDIO_IO_HANDLE_NONE;
3306 }
Eric Laurentd4692962014-05-05 18:13:44 -07003307 }
3308
Eric Laurentcf2c0212014-07-25 16:20:43 -07003309 if (output != AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07003310 addOutput(output, desc);
Eric Laurentd4692962014-05-05 18:13:44 -07003311 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003312 audio_io_handle_t duplicatedOutput = AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07003313
Eric Laurentd4692962014-05-05 18:13:44 -07003314 // set initial stream volume for device
3315 applyStreamVolumes(output, device, 0, true);
Eric Laurente552edb2014-03-10 17:42:56 -07003316
Eric Laurentd4692962014-05-05 18:13:44 -07003317 //TODO: configure audio effect output stage here
3318
3319 // open a duplicating output thread for the new output and the primary output
3320 duplicatedOutput = mpClientInterface->openDuplicateOutput(output,
3321 mPrimaryOutput);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003322 if (duplicatedOutput != AUDIO_IO_HANDLE_NONE) {
Eric Laurentd4692962014-05-05 18:13:44 -07003323 // add duplicated output descriptor
Eric Laurentcf2c0212014-07-25 16:20:43 -07003324 sp<AudioOutputDescriptor> dupOutputDesc =
3325 new AudioOutputDescriptor(NULL);
Eric Laurentd4692962014-05-05 18:13:44 -07003326 dupOutputDesc->mOutput1 = mOutputs.valueFor(mPrimaryOutput);
3327 dupOutputDesc->mOutput2 = mOutputs.valueFor(output);
3328 dupOutputDesc->mSamplingRate = desc->mSamplingRate;
3329 dupOutputDesc->mFormat = desc->mFormat;
3330 dupOutputDesc->mChannelMask = desc->mChannelMask;
3331 dupOutputDesc->mLatency = desc->mLatency;
3332 addOutput(duplicatedOutput, dupOutputDesc);
3333 applyStreamVolumes(duplicatedOutput, device, 0, true);
3334 } else {
3335 ALOGW("checkOutputsForDevice() could not open dup output for %d and %d",
3336 mPrimaryOutput, output);
3337 mpClientInterface->closeOutput(output);
3338 mOutputs.removeItem(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07003339 nextAudioPortGeneration();
Eric Laurentcf2c0212014-07-25 16:20:43 -07003340 output = AUDIO_IO_HANDLE_NONE;
Eric Laurentd4692962014-05-05 18:13:44 -07003341 }
Eric Laurente552edb2014-03-10 17:42:56 -07003342 }
3343 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07003344 } else {
3345 output = AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07003346 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07003347 if (output == AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07003348 ALOGW("checkOutputsForDevice() could not open output for device %x", device);
Eric Laurente552edb2014-03-10 17:42:56 -07003349 profiles.removeAt(profile_index);
3350 profile_index--;
3351 } else {
3352 outputs.add(output);
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07003353 devDesc->importAudioPort(profile);
3354
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003355 if (deviceDistinguishesOnAddress(device)) {
3356 ALOGV("checkOutputsForDevice(): setOutputDevice(dev=0x%x, addr=%s)",
3357 device, address.string());
3358 setOutputDevice(output, device, true/*force*/, 0/*delay*/,
3359 NULL/*patch handle*/, address.string());
3360 }
Eric Laurente552edb2014-03-10 17:42:56 -07003361 ALOGV("checkOutputsForDevice(): adding output %d", output);
3362 }
3363 }
3364
3365 if (profiles.isEmpty()) {
3366 ALOGW("checkOutputsForDevice(): No output available for device %04x", device);
3367 return BAD_VALUE;
3368 }
Eric Laurentd4692962014-05-05 18:13:44 -07003369 } else { // Disconnect
Eric Laurente552edb2014-03-10 17:42:56 -07003370 // check if one opened output is not needed any more after disconnecting one device
3371 for (size_t i = 0; i < mOutputs.size(); i++) {
3372 desc = mOutputs.valueAt(i);
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003373 if (!desc->isDuplicated()) {
3374 if (!(desc->mProfile->mSupportedDevices.types()
3375 & mAvailableOutputDevices.types())) {
3376 ALOGV("checkOutputsForDevice(): disconnecting adding output %d",
3377 mOutputs.keyAt(i));
3378 outputs.add(mOutputs.keyAt(i));
3379 } else if (deviceDistinguishesOnAddress(device) &&
3380 // exact match on device
3381 (desc->mProfile->mSupportedDevices.types() == device)) {
3382 findIoHandlesByAddress(desc, address, outputs);
3383 }
Eric Laurente552edb2014-03-10 17:42:56 -07003384 }
3385 }
Eric Laurentd4692962014-05-05 18:13:44 -07003386 // Clear any profiles associated with the disconnected device.
Eric Laurente552edb2014-03-10 17:42:56 -07003387 for (size_t i = 0; i < mHwModules.size(); i++)
3388 {
3389 if (mHwModules[i]->mHandle == 0) {
3390 continue;
3391 }
3392 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
3393 {
Eric Laurent1c333e22014-05-20 10:48:17 -07003394 sp<IOProfile> profile = mHwModules[i]->mOutputProfiles[j];
Eric Laurentd4692962014-05-05 18:13:44 -07003395 if (profile->mSupportedDevices.types() & device) {
3396 ALOGV("checkOutputsForDevice(): "
3397 "clearing direct output profile %zu on module %zu", j, i);
Eric Laurente552edb2014-03-10 17:42:56 -07003398 if (profile->mSamplingRates[0] == 0) {
3399 profile->mSamplingRates.clear();
3400 profile->mSamplingRates.add(0);
3401 }
3402 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3403 profile->mFormats.clear();
3404 profile->mFormats.add(AUDIO_FORMAT_DEFAULT);
3405 }
3406 if (profile->mChannelMasks[0] == 0) {
3407 profile->mChannelMasks.clear();
3408 profile->mChannelMasks.add(0);
3409 }
3410 }
3411 }
3412 }
3413 }
3414 return NO_ERROR;
3415}
3416
Eric Laurentd4692962014-05-05 18:13:44 -07003417status_t AudioPolicyManager::checkInputsForDevice(audio_devices_t device,
3418 audio_policy_dev_state_t state,
3419 SortedVector<audio_io_handle_t>& inputs,
3420 const String8 address)
3421{
Eric Laurent1f2f2232014-06-02 12:01:23 -07003422 sp<AudioInputDescriptor> desc;
Eric Laurentd4692962014-05-05 18:13:44 -07003423 if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
3424 // first list already open inputs that can be routed to this device
3425 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
3426 desc = mInputs.valueAt(input_index);
3427 if (desc->mProfile->mSupportedDevices.types() & (device & ~AUDIO_DEVICE_BIT_IN)) {
3428 ALOGV("checkInputsForDevice(): adding opened input %d", mInputs.keyAt(input_index));
3429 inputs.add(mInputs.keyAt(input_index));
3430 }
3431 }
3432
3433 // then look for input profiles that can be routed to this device
Eric Laurent1c333e22014-05-20 10:48:17 -07003434 SortedVector< sp<IOProfile> > profiles;
Eric Laurentd4692962014-05-05 18:13:44 -07003435 for (size_t module_idx = 0; module_idx < mHwModules.size(); module_idx++)
3436 {
3437 if (mHwModules[module_idx]->mHandle == 0) {
3438 continue;
3439 }
3440 for (size_t profile_index = 0;
3441 profile_index < mHwModules[module_idx]->mInputProfiles.size();
3442 profile_index++)
3443 {
3444 if (mHwModules[module_idx]->mInputProfiles[profile_index]->mSupportedDevices.types()
3445 & (device & ~AUDIO_DEVICE_BIT_IN)) {
Mark Salyzynbeb9e302014-06-18 16:33:15 -07003446 ALOGV("checkInputsForDevice(): adding profile %zu from module %zu",
Eric Laurentd4692962014-05-05 18:13:44 -07003447 profile_index, module_idx);
3448 profiles.add(mHwModules[module_idx]->mInputProfiles[profile_index]);
3449 }
3450 }
3451 }
3452
3453 if (profiles.isEmpty() && inputs.isEmpty()) {
3454 ALOGW("checkInputsForDevice(): No input available for device 0x%X", device);
3455 return BAD_VALUE;
3456 }
3457
3458 // open inputs for matching profiles if needed. Direct inputs are also opened to
3459 // query for dynamic parameters and will be closed later by setDeviceConnectionState()
3460 for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
3461
Eric Laurent1c333e22014-05-20 10:48:17 -07003462 sp<IOProfile> profile = profiles[profile_index];
Eric Laurentd4692962014-05-05 18:13:44 -07003463 // nothing to do if one input is already opened for this profile
3464 size_t input_index;
3465 for (input_index = 0; input_index < mInputs.size(); input_index++) {
3466 desc = mInputs.valueAt(input_index);
3467 if (desc->mProfile == profile) {
3468 break;
3469 }
3470 }
3471 if (input_index != mInputs.size()) {
3472 continue;
3473 }
3474
3475 ALOGV("opening input for device 0x%X with params %s", device, address.string());
3476 desc = new AudioInputDescriptor(profile);
3477 desc->mDevice = device;
Eric Laurentcf2c0212014-07-25 16:20:43 -07003478 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
3479 config.sample_rate = desc->mSamplingRate;
3480 config.channel_mask = desc->mChannelMask;
3481 config.format = desc->mFormat;
3482 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
3483 status_t status = mpClientInterface->openInput(profile->mModule->mHandle,
3484 &input,
3485 &config,
3486 &desc->mDevice,
3487 address,
3488 AUDIO_SOURCE_MIC,
3489 AUDIO_INPUT_FLAG_NONE /*FIXME*/);
Eric Laurentd4692962014-05-05 18:13:44 -07003490
Eric Laurentcf2c0212014-07-25 16:20:43 -07003491 if (status == NO_ERROR) {
3492 desc->mSamplingRate = config.sample_rate;
3493 desc->mChannelMask = config.channel_mask;
3494 desc->mFormat = config.format;
Eric Laurentd4692962014-05-05 18:13:44 -07003495
Eric Laurentd4692962014-05-05 18:13:44 -07003496 if (!address.isEmpty()) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003497 char *param = audio_device_address_to_parameter(device, address);
3498 mpClientInterface->setParameters(input, String8(param));
3499 free(param);
Eric Laurentd4692962014-05-05 18:13:44 -07003500 }
3501
3502 // Here is where we step through and resolve any "dynamic" fields
3503 String8 reply;
3504 char *value;
3505 if (profile->mSamplingRates[0] == 0) {
3506 reply = mpClientInterface->getParameters(input,
3507 String8(AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES));
3508 ALOGV("checkInputsForDevice() direct input sup sampling rates %s",
3509 reply.string());
3510 value = strpbrk((char *)reply.string(), "=");
3511 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003512 profile->loadSamplingRates(value + 1);
Eric Laurentd4692962014-05-05 18:13:44 -07003513 }
3514 }
3515 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3516 reply = mpClientInterface->getParameters(input,
3517 String8(AUDIO_PARAMETER_STREAM_SUP_FORMATS));
3518 ALOGV("checkInputsForDevice() direct input sup formats %s", reply.string());
3519 value = strpbrk((char *)reply.string(), "=");
3520 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003521 profile->loadFormats(value + 1);
Eric Laurentd4692962014-05-05 18:13:44 -07003522 }
3523 }
3524 if (profile->mChannelMasks[0] == 0) {
3525 reply = mpClientInterface->getParameters(input,
3526 String8(AUDIO_PARAMETER_STREAM_SUP_CHANNELS));
3527 ALOGV("checkInputsForDevice() direct input sup channel masks %s",
3528 reply.string());
3529 value = strpbrk((char *)reply.string(), "=");
3530 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003531 profile->loadInChannels(value + 1);
Eric Laurentd4692962014-05-05 18:13:44 -07003532 }
3533 }
3534 if (((profile->mSamplingRates[0] == 0) && (profile->mSamplingRates.size() < 2)) ||
3535 ((profile->mFormats[0] == 0) && (profile->mFormats.size() < 2)) ||
3536 ((profile->mChannelMasks[0] == 0) && (profile->mChannelMasks.size() < 2))) {
3537 ALOGW("checkInputsForDevice() direct input missing param");
3538 mpClientInterface->closeInput(input);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003539 input = AUDIO_IO_HANDLE_NONE;
Eric Laurentd4692962014-05-05 18:13:44 -07003540 }
3541
3542 if (input != 0) {
3543 addInput(input, desc);
3544 }
3545 } // endif input != 0
3546
Eric Laurentcf2c0212014-07-25 16:20:43 -07003547 if (input == AUDIO_IO_HANDLE_NONE) {
Eric Laurentd4692962014-05-05 18:13:44 -07003548 ALOGW("checkInputsForDevice() could not open input for device 0x%X", device);
Eric Laurentd4692962014-05-05 18:13:44 -07003549 profiles.removeAt(profile_index);
3550 profile_index--;
3551 } else {
3552 inputs.add(input);
3553 ALOGV("checkInputsForDevice(): adding input %d", input);
3554 }
3555 } // end scan profiles
3556
3557 if (profiles.isEmpty()) {
3558 ALOGW("checkInputsForDevice(): No input available for device 0x%X", device);
3559 return BAD_VALUE;
3560 }
3561 } else {
3562 // Disconnect
3563 // check if one opened input is not needed any more after disconnecting one device
3564 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
3565 desc = mInputs.valueAt(input_index);
3566 if (!(desc->mProfile->mSupportedDevices.types() & mAvailableInputDevices.types())) {
3567 ALOGV("checkInputsForDevice(): disconnecting adding input %d",
3568 mInputs.keyAt(input_index));
3569 inputs.add(mInputs.keyAt(input_index));
3570 }
3571 }
3572 // Clear any profiles associated with the disconnected device.
3573 for (size_t module_index = 0; module_index < mHwModules.size(); module_index++) {
3574 if (mHwModules[module_index]->mHandle == 0) {
3575 continue;
3576 }
3577 for (size_t profile_index = 0;
3578 profile_index < mHwModules[module_index]->mInputProfiles.size();
3579 profile_index++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003580 sp<IOProfile> profile = mHwModules[module_index]->mInputProfiles[profile_index];
Eric Laurentd4692962014-05-05 18:13:44 -07003581 if (profile->mSupportedDevices.types() & device) {
Mark Salyzynbeb9e302014-06-18 16:33:15 -07003582 ALOGV("checkInputsForDevice(): clearing direct input profile %zu on module %zu",
Eric Laurentd4692962014-05-05 18:13:44 -07003583 profile_index, module_index);
3584 if (profile->mSamplingRates[0] == 0) {
3585 profile->mSamplingRates.clear();
3586 profile->mSamplingRates.add(0);
3587 }
3588 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3589 profile->mFormats.clear();
3590 profile->mFormats.add(AUDIO_FORMAT_DEFAULT);
3591 }
3592 if (profile->mChannelMasks[0] == 0) {
3593 profile->mChannelMasks.clear();
3594 profile->mChannelMasks.add(0);
3595 }
3596 }
3597 }
3598 }
3599 } // end disconnect
3600
3601 return NO_ERROR;
3602}
3603
3604
Eric Laurente0720872014-03-11 09:30:41 -07003605void AudioPolicyManager::closeOutput(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07003606{
3607 ALOGV("closeOutput(%d)", output);
3608
Eric Laurent1f2f2232014-06-02 12:01:23 -07003609 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07003610 if (outputDesc == NULL) {
3611 ALOGW("closeOutput() unknown output %d", output);
3612 return;
3613 }
3614
3615 // look for duplicated outputs connected to the output being removed.
3616 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003617 sp<AudioOutputDescriptor> dupOutputDesc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07003618 if (dupOutputDesc->isDuplicated() &&
3619 (dupOutputDesc->mOutput1 == outputDesc ||
3620 dupOutputDesc->mOutput2 == outputDesc)) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003621 sp<AudioOutputDescriptor> outputDesc2;
Eric Laurente552edb2014-03-10 17:42:56 -07003622 if (dupOutputDesc->mOutput1 == outputDesc) {
3623 outputDesc2 = dupOutputDesc->mOutput2;
3624 } else {
3625 outputDesc2 = dupOutputDesc->mOutput1;
3626 }
3627 // As all active tracks on duplicated output will be deleted,
3628 // and as they were also referenced on the other output, the reference
3629 // count for their stream type must be adjusted accordingly on
3630 // the other output.
Eric Laurent3b73df72014-03-11 09:06:29 -07003631 for (int j = 0; j < AUDIO_STREAM_CNT; j++) {
Eric Laurente552edb2014-03-10 17:42:56 -07003632 int refCount = dupOutputDesc->mRefCount[j];
Eric Laurent3b73df72014-03-11 09:06:29 -07003633 outputDesc2->changeRefCount((audio_stream_type_t)j,-refCount);
Eric Laurente552edb2014-03-10 17:42:56 -07003634 }
3635 audio_io_handle_t duplicatedOutput = mOutputs.keyAt(i);
3636 ALOGV("closeOutput() closing also duplicated output %d", duplicatedOutput);
3637
3638 mpClientInterface->closeOutput(duplicatedOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07003639 mOutputs.removeItem(duplicatedOutput);
3640 }
3641 }
3642
Eric Laurent05b90f82014-08-27 15:32:29 -07003643 nextAudioPortGeneration();
3644
3645 ssize_t index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
3646 if (index >= 0) {
3647 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3648 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
3649 mAudioPatches.removeItemsAt(index);
3650 mpClientInterface->onAudioPatchListUpdate();
3651 }
3652
Eric Laurente552edb2014-03-10 17:42:56 -07003653 AudioParameter param;
3654 param.add(String8("closing"), String8("true"));
3655 mpClientInterface->setParameters(output, param.toString());
3656
3657 mpClientInterface->closeOutput(output);
Eric Laurente552edb2014-03-10 17:42:56 -07003658 mOutputs.removeItem(output);
3659 mPreviousOutputs = mOutputs;
Eric Laurent05b90f82014-08-27 15:32:29 -07003660}
3661
3662void AudioPolicyManager::closeInput(audio_io_handle_t input)
3663{
3664 ALOGV("closeInput(%d)", input);
3665
3666 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
3667 if (inputDesc == NULL) {
3668 ALOGW("closeInput() unknown input %d", input);
3669 return;
3670 }
3671
Eric Laurent6a94d692014-05-20 11:18:06 -07003672 nextAudioPortGeneration();
Eric Laurent05b90f82014-08-27 15:32:29 -07003673
3674 ssize_t index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
3675 if (index >= 0) {
3676 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3677 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
3678 mAudioPatches.removeItemsAt(index);
3679 mpClientInterface->onAudioPatchListUpdate();
3680 }
3681
3682 mpClientInterface->closeInput(input);
3683 mInputs.removeItem(input);
Eric Laurente552edb2014-03-10 17:42:56 -07003684}
3685
Eric Laurente0720872014-03-11 09:30:41 -07003686SortedVector<audio_io_handle_t> AudioPolicyManager::getOutputsForDevice(audio_devices_t device,
Eric Laurent1f2f2232014-06-02 12:01:23 -07003687 DefaultKeyedVector<audio_io_handle_t, sp<AudioOutputDescriptor> > openOutputs)
Eric Laurente552edb2014-03-10 17:42:56 -07003688{
3689 SortedVector<audio_io_handle_t> outputs;
3690
3691 ALOGVV("getOutputsForDevice() device %04x", device);
3692 for (size_t i = 0; i < openOutputs.size(); i++) {
3693 ALOGVV("output %d isDuplicated=%d device=%04x",
3694 i, openOutputs.valueAt(i)->isDuplicated(), openOutputs.valueAt(i)->supportedDevices());
3695 if ((device & openOutputs.valueAt(i)->supportedDevices()) == device) {
3696 ALOGVV("getOutputsForDevice() found output %d", openOutputs.keyAt(i));
3697 outputs.add(openOutputs.keyAt(i));
3698 }
3699 }
3700 return outputs;
3701}
3702
Eric Laurente0720872014-03-11 09:30:41 -07003703bool AudioPolicyManager::vectorsEqual(SortedVector<audio_io_handle_t>& outputs1,
Eric Laurente552edb2014-03-10 17:42:56 -07003704 SortedVector<audio_io_handle_t>& outputs2)
3705{
3706 if (outputs1.size() != outputs2.size()) {
3707 return false;
3708 }
3709 for (size_t i = 0; i < outputs1.size(); i++) {
3710 if (outputs1[i] != outputs2[i]) {
3711 return false;
3712 }
3713 }
3714 return true;
3715}
3716
Eric Laurente0720872014-03-11 09:30:41 -07003717void AudioPolicyManager::checkOutputForStrategy(routing_strategy strategy)
Eric Laurente552edb2014-03-10 17:42:56 -07003718{
3719 audio_devices_t oldDevice = getDeviceForStrategy(strategy, true /*fromCache*/);
3720 audio_devices_t newDevice = getDeviceForStrategy(strategy, false /*fromCache*/);
3721 SortedVector<audio_io_handle_t> srcOutputs = getOutputsForDevice(oldDevice, mPreviousOutputs);
3722 SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevice(newDevice, mOutputs);
3723
3724 if (!vectorsEqual(srcOutputs,dstOutputs)) {
3725 ALOGV("checkOutputForStrategy() strategy %d, moving from output %d to output %d",
3726 strategy, srcOutputs[0], dstOutputs[0]);
3727 // mute strategy while moving tracks from one output to another
3728 for (size_t i = 0; i < srcOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003729 sp<AudioOutputDescriptor> desc = mOutputs.valueFor(srcOutputs[i]);
Eric Laurente552edb2014-03-10 17:42:56 -07003730 if (desc->isStrategyActive(strategy)) {
3731 setStrategyMute(strategy, true, srcOutputs[i]);
3732 setStrategyMute(strategy, false, srcOutputs[i], MUTE_TIME_MS, newDevice);
3733 }
3734 }
3735
3736 // Move effects associated to this strategy from previous output to new output
3737 if (strategy == STRATEGY_MEDIA) {
3738 audio_io_handle_t fxOutput = selectOutputForEffects(dstOutputs);
3739 SortedVector<audio_io_handle_t> moved;
3740 for (size_t i = 0; i < mEffects.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003741 sp<EffectDescriptor> effectDesc = mEffects.valueAt(i);
3742 if (effectDesc->mSession == AUDIO_SESSION_OUTPUT_MIX &&
3743 effectDesc->mIo != fxOutput) {
3744 if (moved.indexOf(effectDesc->mIo) < 0) {
Eric Laurente552edb2014-03-10 17:42:56 -07003745 ALOGV("checkOutputForStrategy() moving effect %d to output %d",
3746 mEffects.keyAt(i), fxOutput);
Eric Laurent1f2f2232014-06-02 12:01:23 -07003747 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, effectDesc->mIo,
Eric Laurente552edb2014-03-10 17:42:56 -07003748 fxOutput);
Eric Laurent1f2f2232014-06-02 12:01:23 -07003749 moved.add(effectDesc->mIo);
Eric Laurente552edb2014-03-10 17:42:56 -07003750 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07003751 effectDesc->mIo = fxOutput;
Eric Laurente552edb2014-03-10 17:42:56 -07003752 }
3753 }
3754 }
3755 // Move tracks associated to this strategy from previous output to new output
Eric Laurent3b73df72014-03-11 09:06:29 -07003756 for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
3757 if (getStrategy((audio_stream_type_t)i) == strategy) {
3758 mpClientInterface->invalidateStream((audio_stream_type_t)i);
Eric Laurente552edb2014-03-10 17:42:56 -07003759 }
3760 }
3761 }
3762}
3763
Eric Laurente0720872014-03-11 09:30:41 -07003764void AudioPolicyManager::checkOutputForAllStrategies()
Eric Laurente552edb2014-03-10 17:42:56 -07003765{
Jon Eklund966095e2014-09-09 15:39:49 -05003766 if (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)
3767 checkOutputForStrategy(STRATEGY_ENFORCED_AUDIBLE);
Eric Laurente552edb2014-03-10 17:42:56 -07003768 checkOutputForStrategy(STRATEGY_PHONE);
Jon Eklund966095e2014-09-09 15:39:49 -05003769 if (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] != AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)
3770 checkOutputForStrategy(STRATEGY_ENFORCED_AUDIBLE);
Eric Laurente552edb2014-03-10 17:42:56 -07003771 checkOutputForStrategy(STRATEGY_SONIFICATION);
3772 checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
3773 checkOutputForStrategy(STRATEGY_MEDIA);
3774 checkOutputForStrategy(STRATEGY_DTMF);
3775}
3776
Eric Laurente0720872014-03-11 09:30:41 -07003777audio_io_handle_t AudioPolicyManager::getA2dpOutput()
Eric Laurente552edb2014-03-10 17:42:56 -07003778{
Eric Laurente552edb2014-03-10 17:42:56 -07003779 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003780 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07003781 if (!outputDesc->isDuplicated() && outputDesc->device() & AUDIO_DEVICE_OUT_ALL_A2DP) {
3782 return mOutputs.keyAt(i);
3783 }
3784 }
3785
3786 return 0;
3787}
3788
Eric Laurente0720872014-03-11 09:30:41 -07003789void AudioPolicyManager::checkA2dpSuspend()
Eric Laurente552edb2014-03-10 17:42:56 -07003790{
Eric Laurente552edb2014-03-10 17:42:56 -07003791 audio_io_handle_t a2dpOutput = getA2dpOutput();
3792 if (a2dpOutput == 0) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003793 mA2dpSuspended = false;
Eric Laurente552edb2014-03-10 17:42:56 -07003794 return;
3795 }
3796
Eric Laurent3a4311c2014-03-17 12:00:47 -07003797 bool isScoConnected =
3798 (mAvailableInputDevices.types() & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) != 0;
Eric Laurente552edb2014-03-10 17:42:56 -07003799 // suspend A2DP output if:
3800 // (NOT already suspended) &&
3801 // ((SCO device is connected &&
3802 // (forced usage for communication || for record is SCO))) ||
3803 // (phone state is ringing || in call)
3804 //
3805 // restore A2DP output if:
3806 // (Already suspended) &&
3807 // ((SCO device is NOT connected ||
3808 // (forced usage NOT for communication && NOT for record is SCO))) &&
3809 // (phone state is NOT ringing && NOT in call)
3810 //
3811 if (mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003812 if ((!isScoConnected ||
Eric Laurent3b73df72014-03-11 09:06:29 -07003813 ((mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] != AUDIO_POLICY_FORCE_BT_SCO) &&
3814 (mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] != AUDIO_POLICY_FORCE_BT_SCO))) &&
3815 ((mPhoneState != AUDIO_MODE_IN_CALL) &&
3816 (mPhoneState != AUDIO_MODE_RINGTONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07003817
3818 mpClientInterface->restoreOutput(a2dpOutput);
3819 mA2dpSuspended = false;
3820 }
3821 } else {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003822 if ((isScoConnected &&
Eric Laurent3b73df72014-03-11 09:06:29 -07003823 ((mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] == AUDIO_POLICY_FORCE_BT_SCO) ||
3824 (mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] == AUDIO_POLICY_FORCE_BT_SCO))) ||
3825 ((mPhoneState == AUDIO_MODE_IN_CALL) ||
3826 (mPhoneState == AUDIO_MODE_RINGTONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07003827
3828 mpClientInterface->suspendOutput(a2dpOutput);
3829 mA2dpSuspended = true;
3830 }
3831 }
3832}
3833
Eric Laurent1c333e22014-05-20 10:48:17 -07003834audio_devices_t AudioPolicyManager::getNewOutputDevice(audio_io_handle_t output, bool fromCache)
Eric Laurente552edb2014-03-10 17:42:56 -07003835{
3836 audio_devices_t device = AUDIO_DEVICE_NONE;
3837
Eric Laurent1f2f2232014-06-02 12:01:23 -07003838 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07003839
3840 ssize_t index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
3841 if (index >= 0) {
3842 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3843 if (patchDesc->mUid != mUidCached) {
3844 ALOGV("getNewOutputDevice() device %08x forced by patch %d",
3845 outputDesc->device(), outputDesc->mPatchHandle);
3846 return outputDesc->device();
3847 }
3848 }
3849
Eric Laurente552edb2014-03-10 17:42:56 -07003850 // check the following by order of priority to request a routing change if necessary:
Jon Eklund966095e2014-09-09 15:39:49 -05003851 // 1: the strategy enforced audible is active and enforced on the output:
Eric Laurente552edb2014-03-10 17:42:56 -07003852 // use device for strategy enforced audible
3853 // 2: we are in call or the strategy phone is active on the output:
3854 // use device for strategy phone
Jon Eklund966095e2014-09-09 15:39:49 -05003855 // 3: the strategy for enforced audible is active but not enforced on the output:
3856 // use the device for strategy enforced audible
3857 // 4: the strategy sonification is active on the output:
Eric Laurente552edb2014-03-10 17:42:56 -07003858 // use device for strategy sonification
Jon Eklund966095e2014-09-09 15:39:49 -05003859 // 5: the strategy "respectful" sonification is active on the output:
Eric Laurente552edb2014-03-10 17:42:56 -07003860 // use device for strategy "respectful" sonification
Jon Eklund966095e2014-09-09 15:39:49 -05003861 // 6: the strategy media is active on the output:
Eric Laurente552edb2014-03-10 17:42:56 -07003862 // use device for strategy media
Jon Eklund966095e2014-09-09 15:39:49 -05003863 // 7: the strategy DTMF is active on the output:
Eric Laurente552edb2014-03-10 17:42:56 -07003864 // use device for strategy DTMF
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07003865 // 8: the strategy for beacon, a.k.a. "transmitted through speaker" is active on the output:
3866 // use device for strategy t-t-s
Jon Eklund966095e2014-09-09 15:39:49 -05003867 if (outputDesc->isStrategyActive(STRATEGY_ENFORCED_AUDIBLE) &&
3868 mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
Eric Laurente552edb2014-03-10 17:42:56 -07003869 device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache);
3870 } else if (isInCall() ||
3871 outputDesc->isStrategyActive(STRATEGY_PHONE)) {
3872 device = getDeviceForStrategy(STRATEGY_PHONE, fromCache);
Jon Eklund966095e2014-09-09 15:39:49 -05003873 } else if (outputDesc->isStrategyActive(STRATEGY_ENFORCED_AUDIBLE)) {
3874 device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache);
Eric Laurente552edb2014-03-10 17:42:56 -07003875 } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION)) {
3876 device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache);
3877 } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION_RESPECTFUL)) {
3878 device = getDeviceForStrategy(STRATEGY_SONIFICATION_RESPECTFUL, fromCache);
3879 } else if (outputDesc->isStrategyActive(STRATEGY_MEDIA)) {
3880 device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache);
3881 } else if (outputDesc->isStrategyActive(STRATEGY_DTMF)) {
3882 device = getDeviceForStrategy(STRATEGY_DTMF, fromCache);
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07003883 } else if (outputDesc->isStrategyActive(STRATEGY_TRANSMITTED_THROUGH_SPEAKER)) {
3884 device = getDeviceForStrategy(STRATEGY_TRANSMITTED_THROUGH_SPEAKER, fromCache);
Eric Laurente552edb2014-03-10 17:42:56 -07003885 }
3886
Eric Laurent1c333e22014-05-20 10:48:17 -07003887 ALOGV("getNewOutputDevice() selected device %x", device);
3888 return device;
3889}
3890
3891audio_devices_t AudioPolicyManager::getNewInputDevice(audio_io_handle_t input)
3892{
Eric Laurent1f2f2232014-06-02 12:01:23 -07003893 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent6a94d692014-05-20 11:18:06 -07003894
3895 ssize_t index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
3896 if (index >= 0) {
3897 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3898 if (patchDesc->mUid != mUidCached) {
3899 ALOGV("getNewInputDevice() device %08x forced by patch %d",
3900 inputDesc->mDevice, inputDesc->mPatchHandle);
3901 return inputDesc->mDevice;
3902 }
3903 }
3904
Eric Laurent1c333e22014-05-20 10:48:17 -07003905 audio_devices_t device = getDeviceForInputSource(inputDesc->mInputSource);
3906
3907 ALOGV("getNewInputDevice() selected device %x", device);
Eric Laurente552edb2014-03-10 17:42:56 -07003908 return device;
3909}
3910
Eric Laurente0720872014-03-11 09:30:41 -07003911uint32_t AudioPolicyManager::getStrategyForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003912 return (uint32_t)getStrategy(stream);
3913}
3914
Eric Laurente0720872014-03-11 09:30:41 -07003915audio_devices_t AudioPolicyManager::getDevicesForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003916 // By checking the range of stream before calling getStrategy, we avoid
3917 // getStrategy's behavior for invalid streams. getStrategy would do a ALOGE
3918 // and then return STRATEGY_MEDIA, but we want to return the empty set.
Eric Laurent3b73df72014-03-11 09:06:29 -07003919 if (stream < (audio_stream_type_t) 0 || stream >= AUDIO_STREAM_CNT) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003920 return AUDIO_DEVICE_NONE;
3921 }
3922 audio_devices_t devices;
3923 AudioPolicyManager::routing_strategy strategy = getStrategy(stream);
3924 devices = getDeviceForStrategy(strategy, true /*fromCache*/);
3925 SortedVector<audio_io_handle_t> outputs = getOutputsForDevice(devices, mOutputs);
3926 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003927 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(outputs[i]);
Eric Laurent6a94d692014-05-20 11:18:06 -07003928 if (outputDesc->isStrategyActive(strategy)) {
3929 devices = outputDesc->device();
3930 break;
3931 }
Eric Laurente552edb2014-03-10 17:42:56 -07003932 }
Jon Eklund11c9fb12014-06-23 14:47:03 -05003933
3934 /*Filter SPEAKER_SAFE out of results, as AudioService doesn't know about it
3935 and doesn't really need to.*/
3936 if (devices & AUDIO_DEVICE_OUT_SPEAKER_SAFE) {
3937 devices |= AUDIO_DEVICE_OUT_SPEAKER;
3938 devices &= ~AUDIO_DEVICE_OUT_SPEAKER_SAFE;
3939 }
3940
Eric Laurente552edb2014-03-10 17:42:56 -07003941 return devices;
3942}
3943
Eric Laurente0720872014-03-11 09:30:41 -07003944AudioPolicyManager::routing_strategy AudioPolicyManager::getStrategy(
Eric Laurent3b73df72014-03-11 09:06:29 -07003945 audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003946 // stream to strategy mapping
3947 switch (stream) {
Eric Laurent3b73df72014-03-11 09:06:29 -07003948 case AUDIO_STREAM_VOICE_CALL:
3949 case AUDIO_STREAM_BLUETOOTH_SCO:
Eric Laurente552edb2014-03-10 17:42:56 -07003950 return STRATEGY_PHONE;
Eric Laurent3b73df72014-03-11 09:06:29 -07003951 case AUDIO_STREAM_RING:
3952 case AUDIO_STREAM_ALARM:
Eric Laurente552edb2014-03-10 17:42:56 -07003953 return STRATEGY_SONIFICATION;
Eric Laurent3b73df72014-03-11 09:06:29 -07003954 case AUDIO_STREAM_NOTIFICATION:
Eric Laurente552edb2014-03-10 17:42:56 -07003955 return STRATEGY_SONIFICATION_RESPECTFUL;
Eric Laurent3b73df72014-03-11 09:06:29 -07003956 case AUDIO_STREAM_DTMF:
Eric Laurente552edb2014-03-10 17:42:56 -07003957 return STRATEGY_DTMF;
3958 default:
3959 ALOGE("unknown stream type");
Eric Laurent3b73df72014-03-11 09:06:29 -07003960 case AUDIO_STREAM_SYSTEM:
Eric Laurente552edb2014-03-10 17:42:56 -07003961 // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs
3962 // while key clicks are played produces a poor result
Eric Laurent3b73df72014-03-11 09:06:29 -07003963 case AUDIO_STREAM_MUSIC:
Eric Laurente552edb2014-03-10 17:42:56 -07003964 return STRATEGY_MEDIA;
Eric Laurent3b73df72014-03-11 09:06:29 -07003965 case AUDIO_STREAM_ENFORCED_AUDIBLE:
Eric Laurente552edb2014-03-10 17:42:56 -07003966 return STRATEGY_ENFORCED_AUDIBLE;
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07003967 case AUDIO_STREAM_TTS:
3968 return STRATEGY_TRANSMITTED_THROUGH_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07003969 }
3970}
3971
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07003972uint32_t AudioPolicyManager::getStrategyForAttr(const audio_attributes_t *attr) {
3973 // flags to strategy mapping
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07003974 if ((attr->flags & AUDIO_FLAG_BEACON) == AUDIO_FLAG_BEACON) {
3975 return (uint32_t) STRATEGY_TRANSMITTED_THROUGH_SPEAKER;
3976 }
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07003977 if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
3978 return (uint32_t) STRATEGY_ENFORCED_AUDIBLE;
3979 }
3980
3981 // usage to strategy mapping
3982 switch (attr->usage) {
3983 case AUDIO_USAGE_MEDIA:
3984 case AUDIO_USAGE_GAME:
3985 case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
3986 case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
3987 case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
3988 return (uint32_t) STRATEGY_MEDIA;
3989
3990 case AUDIO_USAGE_VOICE_COMMUNICATION:
3991 return (uint32_t) STRATEGY_PHONE;
3992
3993 case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
3994 return (uint32_t) STRATEGY_DTMF;
3995
3996 case AUDIO_USAGE_ALARM:
3997 case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
3998 return (uint32_t) STRATEGY_SONIFICATION;
3999
4000 case AUDIO_USAGE_NOTIFICATION:
4001 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
4002 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
4003 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
4004 case AUDIO_USAGE_NOTIFICATION_EVENT:
4005 return (uint32_t) STRATEGY_SONIFICATION_RESPECTFUL;
4006
4007 case AUDIO_USAGE_UNKNOWN:
4008 default:
4009 return (uint32_t) STRATEGY_MEDIA;
4010 }
4011}
4012
Eric Laurente0720872014-03-11 09:30:41 -07004013void AudioPolicyManager::handleNotificationRoutingForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07004014 switch(stream) {
Eric Laurent3b73df72014-03-11 09:06:29 -07004015 case AUDIO_STREAM_MUSIC:
Eric Laurente552edb2014-03-10 17:42:56 -07004016 checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
4017 updateDevicesAndOutputs();
4018 break;
4019 default:
4020 break;
4021 }
4022}
4023
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07004024bool AudioPolicyManager::isAnyOutputActive(audio_stream_type_t streamToIgnore) {
4025 for (size_t s = 0 ; s < AUDIO_STREAM_CNT ; s++) {
4026 if (s == (size_t) streamToIgnore) {
4027 continue;
4028 }
4029 for (size_t i = 0; i < mOutputs.size(); i++) {
4030 const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
4031 if (outputDesc->mRefCount[s] != 0) {
4032 return true;
4033 }
4034 }
4035 }
4036 return false;
4037}
4038
4039uint32_t AudioPolicyManager::handleEventForBeacon(int event) {
4040 switch(event) {
4041 case STARTING_OUTPUT:
4042 mBeaconMuteRefCount++;
4043 break;
4044 case STOPPING_OUTPUT:
4045 if (mBeaconMuteRefCount > 0) {
4046 mBeaconMuteRefCount--;
4047 }
4048 break;
4049 case STARTING_BEACON:
4050 mBeaconPlayingRefCount++;
4051 break;
4052 case STOPPING_BEACON:
4053 if (mBeaconPlayingRefCount > 0) {
4054 mBeaconPlayingRefCount--;
4055 }
4056 break;
4057 }
4058
4059 if (mBeaconMuteRefCount > 0) {
4060 // any playback causes beacon to be muted
4061 return setBeaconMute(true);
4062 } else {
4063 // no other playback: unmute when beacon starts playing, mute when it stops
4064 return setBeaconMute(mBeaconPlayingRefCount == 0);
4065 }
4066}
4067
4068uint32_t AudioPolicyManager::setBeaconMute(bool mute) {
4069 ALOGV("setBeaconMute(%d) mBeaconMuteRefCount=%d mBeaconPlayingRefCount=%d",
4070 mute, mBeaconMuteRefCount, mBeaconPlayingRefCount);
4071 // keep track of muted state to avoid repeating mute/unmute operations
4072 if (mBeaconMuted != mute) {
4073 // mute/unmute AUDIO_STREAM_TTS on all outputs
4074 ALOGV("\t muting %d", mute);
4075 uint32_t maxLatency = 0;
4076 for (size_t i = 0; i < mOutputs.size(); i++) {
4077 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
4078 setStreamMute(AUDIO_STREAM_TTS, mute/*on*/,
4079 desc->mIoHandle,
4080 0 /*delay*/, AUDIO_DEVICE_NONE);
4081 const uint32_t latency = desc->latency() * 2;
4082 if (latency > maxLatency) {
4083 maxLatency = latency;
4084 }
4085 }
4086 mBeaconMuted = mute;
4087 return maxLatency;
4088 }
4089 return 0;
4090}
4091
Eric Laurente0720872014-03-11 09:30:41 -07004092audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
Eric Laurente552edb2014-03-10 17:42:56 -07004093 bool fromCache)
4094{
4095 uint32_t device = AUDIO_DEVICE_NONE;
4096
4097 if (fromCache) {
4098 ALOGVV("getDeviceForStrategy() from cache strategy %d, device %x",
4099 strategy, mDeviceForStrategy[strategy]);
4100 return mDeviceForStrategy[strategy];
4101 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004102 audio_devices_t availableOutputDeviceTypes = mAvailableOutputDevices.types();
Eric Laurente552edb2014-03-10 17:42:56 -07004103 switch (strategy) {
4104
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07004105 case STRATEGY_TRANSMITTED_THROUGH_SPEAKER:
4106 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
4107 if (!device) {
4108 ALOGE("getDeviceForStrategy() no device found for "\
4109 "STRATEGY_TRANSMITTED_THROUGH_SPEAKER");
4110 }
4111 break;
4112
Eric Laurente552edb2014-03-10 17:42:56 -07004113 case STRATEGY_SONIFICATION_RESPECTFUL:
4114 if (isInCall()) {
4115 device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
Eric Laurent3b73df72014-03-11 09:06:29 -07004116 } else if (isStreamActiveRemotely(AUDIO_STREAM_MUSIC,
Eric Laurente552edb2014-03-10 17:42:56 -07004117 SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
4118 // while media is playing on a remote device, use the the sonification behavior.
4119 // Note that we test this usecase before testing if media is playing because
4120 // the isStreamActive() method only informs about the activity of a stream, not
4121 // if it's for local playback. Note also that we use the same delay between both tests
4122 device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
Jon Eklund11c9fb12014-06-23 14:47:03 -05004123 //user "safe" speaker if available instead of normal speaker to avoid triggering
4124 //other acoustic safety mechanisms for notification
4125 if (device == AUDIO_DEVICE_OUT_SPEAKER && (availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER_SAFE))
4126 device = AUDIO_DEVICE_OUT_SPEAKER_SAFE;
Eric Laurent3b73df72014-03-11 09:06:29 -07004127 } else if (isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004128 // while media is playing (or has recently played), use the same device
4129 device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
4130 } else {
4131 // when media is not playing anymore, fall back on the sonification behavior
4132 device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
Jon Eklund11c9fb12014-06-23 14:47:03 -05004133 //user "safe" speaker if available instead of normal speaker to avoid triggering
4134 //other acoustic safety mechanisms for notification
4135 if (device == AUDIO_DEVICE_OUT_SPEAKER && (availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER_SAFE))
4136 device = AUDIO_DEVICE_OUT_SPEAKER_SAFE;
Eric Laurente552edb2014-03-10 17:42:56 -07004137 }
4138
4139 break;
4140
4141 case STRATEGY_DTMF:
4142 if (!isInCall()) {
4143 // when off call, DTMF strategy follows the same rules as MEDIA strategy
4144 device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
4145 break;
4146 }
4147 // when in call, DTMF and PHONE strategies follow the same rules
4148 // FALL THROUGH
4149
4150 case STRATEGY_PHONE:
Eric Laurentc2730ba2014-07-20 15:47:07 -07004151 // Force use of only devices on primary output if:
4152 // - in call AND
4153 // - cannot route from voice call RX OR
4154 // - audio HAL version is < 3.0 and TX device is on the primary HW module
4155 if (mPhoneState == AUDIO_MODE_IN_CALL) {
4156 audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
4157 sp<AudioOutputDescriptor> hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
4158 if (((mAvailableInputDevices.types() &
4159 AUDIO_DEVICE_IN_TELEPHONY_RX & ~AUDIO_DEVICE_BIT_IN) == 0) ||
4160 (((txDevice & availablePrimaryInputDevices() & ~AUDIO_DEVICE_BIT_IN) != 0) &&
Marco Nelissen961ec212014-08-25 15:58:39 -07004161 (hwOutputDesc->getAudioPort()->mModule->mHalVersion <
Eric Laurentc2730ba2014-07-20 15:47:07 -07004162 AUDIO_DEVICE_API_VERSION_3_0))) {
4163 availableOutputDeviceTypes = availablePrimaryOutputDevices();
4164 }
4165 }
Eric Laurente552edb2014-03-10 17:42:56 -07004166 // for phone strategy, we first consider the forced use and then the available devices by order
4167 // of priority
Eric Laurent3b73df72014-03-11 09:06:29 -07004168 switch (mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]) {
4169 case AUDIO_POLICY_FORCE_BT_SCO:
Eric Laurente552edb2014-03-10 17:42:56 -07004170 if (!isInCall() || strategy != STRATEGY_DTMF) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004171 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
Eric Laurente552edb2014-03-10 17:42:56 -07004172 if (device) break;
4173 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004174 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004175 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004176 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
Eric Laurente552edb2014-03-10 17:42:56 -07004177 if (device) break;
4178 // if SCO device is requested but no SCO device is available, fall back to default case
4179 // FALL THROUGH
4180
4181 default: // FORCE_NONE
4182 // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
Eric Laurent3a4311c2014-03-17 12:00:47 -07004183 if (!isInCall() &&
Eric Laurent3b73df72014-03-11 09:06:29 -07004184 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
Eric Laurente552edb2014-03-10 17:42:56 -07004185 (getA2dpOutput() != 0) && !mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004186 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
Eric Laurente552edb2014-03-10 17:42:56 -07004187 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004188 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
Eric Laurente552edb2014-03-10 17:42:56 -07004189 if (device) break;
4190 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004191 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
Eric Laurente552edb2014-03-10 17:42:56 -07004192 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004193 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004194 if (device) break;
Eric Laurentc2730ba2014-07-20 15:47:07 -07004195 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
4196 if (device) break;
Eric Laurent3b73df72014-03-11 09:06:29 -07004197 if (mPhoneState != AUDIO_MODE_IN_CALL) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004198 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
Eric Laurente552edb2014-03-10 17:42:56 -07004199 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004200 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004201 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004202 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_DIGITAL;
Eric Laurente552edb2014-03-10 17:42:56 -07004203 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004204 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004205 if (device) break;
4206 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07004207 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_EARPIECE;
Eric Laurente552edb2014-03-10 17:42:56 -07004208 if (device) break;
Eric Laurent1c333e22014-05-20 10:48:17 -07004209 device = mDefaultOutputDevice->mDeviceType;
Eric Laurente552edb2014-03-10 17:42:56 -07004210 if (device == AUDIO_DEVICE_NONE) {
4211 ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE");
4212 }
4213 break;
4214
Eric Laurent3b73df72014-03-11 09:06:29 -07004215 case AUDIO_POLICY_FORCE_SPEAKER:
Eric Laurente552edb2014-03-10 17:42:56 -07004216 // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to
4217 // A2DP speaker when forcing to speaker output
Eric Laurent3a4311c2014-03-17 12:00:47 -07004218 if (!isInCall() &&
Eric Laurent3b73df72014-03-11 09:06:29 -07004219 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
Eric Laurente552edb2014-03-10 17:42:56 -07004220 (getA2dpOutput() != 0) && !mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004221 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07004222 if (device) break;
4223 }
Eric Laurent3b73df72014-03-11 09:06:29 -07004224 if (mPhoneState != AUDIO_MODE_IN_CALL) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004225 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
Eric Laurente552edb2014-03-10 17:42:56 -07004226 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004227 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
Eric Laurente552edb2014-03-10 17:42:56 -07004228 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004229 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004230 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004231 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_DIGITAL;
Eric Laurente552edb2014-03-10 17:42:56 -07004232 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004233 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004234 if (device) break;
4235 }
Jon Eklundac29afa2014-07-28 16:06:06 -05004236 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_LINE;
4237 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004238 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07004239 if (device) break;
Eric Laurent1c333e22014-05-20 10:48:17 -07004240 device = mDefaultOutputDevice->mDeviceType;
Eric Laurente552edb2014-03-10 17:42:56 -07004241 if (device == AUDIO_DEVICE_NONE) {
4242 ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER");
4243 }
4244 break;
4245 }
4246 break;
4247
4248 case STRATEGY_SONIFICATION:
4249
4250 // If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by
4251 // handleIncallSonification().
4252 if (isInCall()) {
4253 device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/);
4254 break;
4255 }
4256 // FALL THROUGH
4257
4258 case STRATEGY_ENFORCED_AUDIBLE:
4259 // strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION
4260 // except:
4261 // - when in call where it doesn't default to STRATEGY_PHONE behavior
4262 // - in countries where not enforced in which case it follows STRATEGY_MEDIA
4263
4264 if ((strategy == STRATEGY_SONIFICATION) ||
Eric Laurent3b73df72014-03-11 09:06:29 -07004265 (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004266 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07004267 if (device == AUDIO_DEVICE_NONE) {
4268 ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION");
4269 }
4270 }
4271 // The second device used for sonification is the same as the device used by media strategy
4272 // FALL THROUGH
4273
4274 case STRATEGY_MEDIA: {
4275 uint32_t device2 = AUDIO_DEVICE_NONE;
4276 if (strategy != STRATEGY_SONIFICATION) {
4277 // no sonification on remote submix (e.g. WFD)
Eric Laurent3a4311c2014-03-17 12:00:47 -07004278 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
Eric Laurente552edb2014-03-10 17:42:56 -07004279 }
4280 if ((device2 == AUDIO_DEVICE_NONE) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07004281 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
Eric Laurente552edb2014-03-10 17:42:56 -07004282 (getA2dpOutput() != 0) && !mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004283 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
Eric Laurente552edb2014-03-10 17:42:56 -07004284 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004285 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
Eric Laurente552edb2014-03-10 17:42:56 -07004286 }
4287 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004288 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07004289 }
4290 }
Hochi Huang327cb702014-09-21 09:47:31 +08004291 if ((device2 == AUDIO_DEVICE_NONE) &&
4292 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] == AUDIO_POLICY_FORCE_SPEAKER)) {
4293 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
4294 }
Eric Laurente552edb2014-03-10 17:42:56 -07004295 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004296 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
Eric Laurente552edb2014-03-10 17:42:56 -07004297 }
Jon Eklundac29afa2014-07-28 16:06:06 -05004298 if ((device2 == AUDIO_DEVICE_NONE)) {
4299 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_LINE;
4300 }
Eric Laurente552edb2014-03-10 17:42:56 -07004301 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004302 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004303 }
4304 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004305 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
Eric Laurente552edb2014-03-10 17:42:56 -07004306 }
4307 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004308 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
Eric Laurente552edb2014-03-10 17:42:56 -07004309 }
4310 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004311 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004312 }
4313 if ((device2 == AUDIO_DEVICE_NONE) && (strategy != STRATEGY_SONIFICATION)) {
4314 // no sonification on aux digital (e.g. HDMI)
Eric Laurent3a4311c2014-03-17 12:00:47 -07004315 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_DIGITAL;
Eric Laurente552edb2014-03-10 17:42:56 -07004316 }
4317 if ((device2 == AUDIO_DEVICE_NONE) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07004318 (mForceUse[AUDIO_POLICY_FORCE_FOR_DOCK] == AUDIO_POLICY_FORCE_ANALOG_DOCK)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004319 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07004320 }
4321 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07004322 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07004323 }
Jungshik Jang839e4f32014-06-26 17:23:40 +09004324 int device3 = AUDIO_DEVICE_NONE;
4325 if (strategy == STRATEGY_MEDIA) {
Jungshik Jang7b24ee32014-07-15 19:38:42 +09004326 // ARC, SPDIF and AUX_LINE can co-exist with others.
Jungshik Jang0c943092014-07-08 22:11:24 +09004327 device3 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_HDMI_ARC;
4328 device3 |= (availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPDIF);
Jungshik Jang7b24ee32014-07-15 19:38:42 +09004329 device3 |= (availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_LINE);
Jungshik Jang839e4f32014-06-26 17:23:40 +09004330 }
Eric Laurente552edb2014-03-10 17:42:56 -07004331
Jungshik Jang839e4f32014-06-26 17:23:40 +09004332 device2 |= device3;
Eric Laurente552edb2014-03-10 17:42:56 -07004333 // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or
4334 // STRATEGY_ENFORCED_AUDIBLE, AUDIO_DEVICE_NONE otherwise
4335 device |= device2;
Jungshik Jang839e4f32014-06-26 17:23:40 +09004336
Jungshik Jang7b24ee32014-07-15 19:38:42 +09004337 // If hdmi system audio mode is on, remove speaker out of output list.
4338 if ((strategy == STRATEGY_MEDIA) &&
4339 (mForceUse[AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO] ==
4340 AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED)) {
4341 device &= ~AUDIO_DEVICE_OUT_SPEAKER;
4342 }
4343
Eric Laurente552edb2014-03-10 17:42:56 -07004344 if (device) break;
Eric Laurent1c333e22014-05-20 10:48:17 -07004345 device = mDefaultOutputDevice->mDeviceType;
Eric Laurente552edb2014-03-10 17:42:56 -07004346 if (device == AUDIO_DEVICE_NONE) {
4347 ALOGE("getDeviceForStrategy() no device found for STRATEGY_MEDIA");
4348 }
4349 } break;
4350
4351 default:
4352 ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
4353 break;
4354 }
4355
4356 ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
4357 return device;
4358}
4359
Eric Laurente0720872014-03-11 09:30:41 -07004360void AudioPolicyManager::updateDevicesAndOutputs()
Eric Laurente552edb2014-03-10 17:42:56 -07004361{
4362 for (int i = 0; i < NUM_STRATEGIES; i++) {
4363 mDeviceForStrategy[i] = getDeviceForStrategy((routing_strategy)i, false /*fromCache*/);
4364 }
4365 mPreviousOutputs = mOutputs;
4366}
4367
Eric Laurent1f2f2232014-06-02 12:01:23 -07004368uint32_t AudioPolicyManager::checkDeviceMuteStrategies(sp<AudioOutputDescriptor> outputDesc,
Eric Laurente552edb2014-03-10 17:42:56 -07004369 audio_devices_t prevDevice,
4370 uint32_t delayMs)
4371{
4372 // mute/unmute strategies using an incompatible device combination
4373 // if muting, wait for the audio in pcm buffer to be drained before proceeding
4374 // if unmuting, unmute only after the specified delay
4375 if (outputDesc->isDuplicated()) {
4376 return 0;
4377 }
4378
4379 uint32_t muteWaitMs = 0;
4380 audio_devices_t device = outputDesc->device();
Eric Laurent3b73df72014-03-11 09:06:29 -07004381 bool shouldMute = outputDesc->isActive() && (popcount(device) >= 2);
Eric Laurente552edb2014-03-10 17:42:56 -07004382
4383 for (size_t i = 0; i < NUM_STRATEGIES; i++) {
4384 audio_devices_t curDevice = getDeviceForStrategy((routing_strategy)i, false /*fromCache*/);
Eric Laurent31551f82014-10-10 18:21:56 -07004385 curDevice = curDevice & outputDesc->mProfile->mSupportedDevices.types();
Eric Laurente552edb2014-03-10 17:42:56 -07004386 bool mute = shouldMute && (curDevice & device) && (curDevice != device);
4387 bool doMute = false;
4388
4389 if (mute && !outputDesc->mStrategyMutedByDevice[i]) {
4390 doMute = true;
4391 outputDesc->mStrategyMutedByDevice[i] = true;
4392 } else if (!mute && outputDesc->mStrategyMutedByDevice[i]){
4393 doMute = true;
4394 outputDesc->mStrategyMutedByDevice[i] = false;
4395 }
Eric Laurent99401132014-05-07 19:48:15 -07004396 if (doMute) {
Eric Laurente552edb2014-03-10 17:42:56 -07004397 for (size_t j = 0; j < mOutputs.size(); j++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07004398 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(j);
Eric Laurente552edb2014-03-10 17:42:56 -07004399 // skip output if it does not share any device with current output
4400 if ((desc->supportedDevices() & outputDesc->supportedDevices())
4401 == AUDIO_DEVICE_NONE) {
4402 continue;
4403 }
4404 audio_io_handle_t curOutput = mOutputs.keyAt(j);
4405 ALOGVV("checkDeviceMuteStrategies() %s strategy %d (curDevice %04x) on output %d",
4406 mute ? "muting" : "unmuting", i, curDevice, curOutput);
4407 setStrategyMute((routing_strategy)i, mute, curOutput, mute ? 0 : delayMs);
4408 if (desc->isStrategyActive((routing_strategy)i)) {
Eric Laurent99401132014-05-07 19:48:15 -07004409 if (mute) {
4410 // FIXME: should not need to double latency if volume could be applied
4411 // immediately by the audioflinger mixer. We must account for the delay
4412 // between now and the next time the audioflinger thread for this output
4413 // will process a buffer (which corresponds to one buffer size,
4414 // usually 1/2 or 1/4 of the latency).
4415 if (muteWaitMs < desc->latency() * 2) {
4416 muteWaitMs = desc->latency() * 2;
Eric Laurente552edb2014-03-10 17:42:56 -07004417 }
4418 }
4419 }
4420 }
4421 }
4422 }
4423
Eric Laurent99401132014-05-07 19:48:15 -07004424 // temporary mute output if device selection changes to avoid volume bursts due to
4425 // different per device volumes
4426 if (outputDesc->isActive() && (device != prevDevice)) {
4427 if (muteWaitMs < outputDesc->latency() * 2) {
4428 muteWaitMs = outputDesc->latency() * 2;
4429 }
4430 for (size_t i = 0; i < NUM_STRATEGIES; i++) {
4431 if (outputDesc->isStrategyActive((routing_strategy)i)) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004432 setStrategyMute((routing_strategy)i, true, outputDesc->mIoHandle);
Eric Laurent99401132014-05-07 19:48:15 -07004433 // do tempMute unmute after twice the mute wait time
Eric Laurent1c333e22014-05-20 10:48:17 -07004434 setStrategyMute((routing_strategy)i, false, outputDesc->mIoHandle,
Eric Laurent99401132014-05-07 19:48:15 -07004435 muteWaitMs *2, device);
4436 }
4437 }
4438 }
4439
Eric Laurente552edb2014-03-10 17:42:56 -07004440 // wait for the PCM output buffers to empty before proceeding with the rest of the command
4441 if (muteWaitMs > delayMs) {
4442 muteWaitMs -= delayMs;
4443 usleep(muteWaitMs * 1000);
4444 return muteWaitMs;
4445 }
4446 return 0;
4447}
4448
Eric Laurente0720872014-03-11 09:30:41 -07004449uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output,
Eric Laurente552edb2014-03-10 17:42:56 -07004450 audio_devices_t device,
4451 bool force,
Eric Laurent6a94d692014-05-20 11:18:06 -07004452 int delayMs,
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004453 audio_patch_handle_t *patchHandle,
4454 const char* address)
Eric Laurente552edb2014-03-10 17:42:56 -07004455{
4456 ALOGV("setOutputDevice() output %d device %04x delayMs %d", output, device, delayMs);
Eric Laurent1f2f2232014-06-02 12:01:23 -07004457 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07004458 AudioParameter param;
4459 uint32_t muteWaitMs;
4460
4461 if (outputDesc->isDuplicated()) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004462 muteWaitMs = setOutputDevice(outputDesc->mOutput1->mIoHandle, device, force, delayMs);
4463 muteWaitMs += setOutputDevice(outputDesc->mOutput2->mIoHandle, device, force, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07004464 return muteWaitMs;
4465 }
4466 // no need to proceed if new device is not AUDIO_DEVICE_NONE and not supported by current
4467 // output profile
4468 if ((device != AUDIO_DEVICE_NONE) &&
Eric Laurent3a4311c2014-03-17 12:00:47 -07004469 ((device & outputDesc->mProfile->mSupportedDevices.types()) == 0)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004470 return 0;
4471 }
4472
4473 // filter devices according to output selected
Eric Laurent3a4311c2014-03-17 12:00:47 -07004474 device = (audio_devices_t)(device & outputDesc->mProfile->mSupportedDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07004475
4476 audio_devices_t prevDevice = outputDesc->mDevice;
4477
4478 ALOGV("setOutputDevice() prevDevice %04x", prevDevice);
4479
4480 if (device != AUDIO_DEVICE_NONE) {
4481 outputDesc->mDevice = device;
4482 }
4483 muteWaitMs = checkDeviceMuteStrategies(outputDesc, prevDevice, delayMs);
4484
4485 // Do not change the routing if:
Eric Laurentb80a2a82014-10-27 16:07:59 -07004486 // the requested device is AUDIO_DEVICE_NONE
4487 // OR the requested device is the same as current device
4488 // AND force is not specified
4489 // AND the output is connected by a valid audio patch.
Eric Laurente552edb2014-03-10 17:42:56 -07004490 // Doing this check here allows the caller to call setOutputDevice() without conditions
Eric Laurentb80a2a82014-10-27 16:07:59 -07004491 if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force &&
4492 outputDesc->mPatchHandle != 0) {
4493 ALOGV("setOutputDevice() setting same device %04x or null device for output %d",
4494 device, output);
Eric Laurente552edb2014-03-10 17:42:56 -07004495 return muteWaitMs;
4496 }
4497
4498 ALOGV("setOutputDevice() changing device");
Eric Laurent1c333e22014-05-20 10:48:17 -07004499
Eric Laurente552edb2014-03-10 17:42:56 -07004500 // do the routing
Eric Laurent1c333e22014-05-20 10:48:17 -07004501 if (device == AUDIO_DEVICE_NONE) {
Eric Laurent6a94d692014-05-20 11:18:06 -07004502 resetOutputDevice(output, delayMs, NULL);
Eric Laurent1c333e22014-05-20 10:48:17 -07004503 } else {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004504 DeviceVector deviceList = (address == NULL) ?
4505 mAvailableOutputDevices.getDevicesFromType(device)
4506 : mAvailableOutputDevices.getDevicesFromTypeAddr(device, String8(address));
Eric Laurent1c333e22014-05-20 10:48:17 -07004507 if (!deviceList.isEmpty()) {
4508 struct audio_patch patch;
4509 outputDesc->toAudioPortConfig(&patch.sources[0]);
4510 patch.num_sources = 1;
4511 patch.num_sinks = 0;
4512 for (size_t i = 0; i < deviceList.size() && i < AUDIO_PATCH_PORTS_MAX; i++) {
4513 deviceList.itemAt(i)->toAudioPortConfig(&patch.sinks[i]);
Eric Laurent1c333e22014-05-20 10:48:17 -07004514 patch.num_sinks++;
4515 }
Eric Laurent6a94d692014-05-20 11:18:06 -07004516 ssize_t index;
4517 if (patchHandle && *patchHandle != AUDIO_PATCH_HANDLE_NONE) {
4518 index = mAudioPatches.indexOfKey(*patchHandle);
4519 } else {
4520 index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
4521 }
4522 sp< AudioPatch> patchDesc;
4523 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
4524 if (index >= 0) {
4525 patchDesc = mAudioPatches.valueAt(index);
4526 afPatchHandle = patchDesc->mAfPatchHandle;
4527 }
4528
Eric Laurent1c333e22014-05-20 10:48:17 -07004529 status_t status = mpClientInterface->createAudioPatch(&patch,
Eric Laurent6a94d692014-05-20 11:18:06 -07004530 &afPatchHandle,
4531 delayMs);
Eric Laurent1c333e22014-05-20 10:48:17 -07004532 ALOGV("setOutputDevice() createAudioPatch returned %d patchHandle %d"
4533 "num_sources %d num_sinks %d",
Eric Laurent6a94d692014-05-20 11:18:06 -07004534 status, afPatchHandle, patch.num_sources, patch.num_sinks);
Eric Laurent1c333e22014-05-20 10:48:17 -07004535 if (status == NO_ERROR) {
Eric Laurent6a94d692014-05-20 11:18:06 -07004536 if (index < 0) {
4537 patchDesc = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
4538 &patch, mUidCached);
4539 addAudioPatch(patchDesc->mHandle, patchDesc);
4540 } else {
4541 patchDesc->mPatch = patch;
4542 }
4543 patchDesc->mAfPatchHandle = afPatchHandle;
4544 patchDesc->mUid = mUidCached;
4545 if (patchHandle) {
4546 *patchHandle = patchDesc->mHandle;
4547 }
4548 outputDesc->mPatchHandle = patchDesc->mHandle;
4549 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004550 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004551 }
4552 }
bryant_liuf5e7e792014-08-19 20:07:05 +08004553
4554 // inform all input as well
4555 for (size_t i = 0; i < mInputs.size(); i++) {
4556 const sp<AudioInputDescriptor> inputDescriptor = mInputs.valueAt(i);
4557 if (!isVirtualInputDevice(inputDescriptor->mDevice)) {
4558 AudioParameter inputCmd = AudioParameter();
4559 ALOGV("%s: inform input %d of device:%d", __func__,
4560 inputDescriptor->mIoHandle, device);
4561 inputCmd.addInt(String8(AudioParameter::keyRouting),device);
4562 mpClientInterface->setParameters(inputDescriptor->mIoHandle,
4563 inputCmd.toString(),
4564 delayMs);
4565 }
4566 }
Eric Laurent1c333e22014-05-20 10:48:17 -07004567 }
Eric Laurente552edb2014-03-10 17:42:56 -07004568
4569 // update stream volumes according to new device
4570 applyStreamVolumes(output, device, delayMs);
4571
4572 return muteWaitMs;
4573}
4574
Eric Laurent1c333e22014-05-20 10:48:17 -07004575status_t AudioPolicyManager::resetOutputDevice(audio_io_handle_t output,
Eric Laurent6a94d692014-05-20 11:18:06 -07004576 int delayMs,
4577 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07004578{
Eric Laurent1f2f2232014-06-02 12:01:23 -07004579 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07004580 ssize_t index;
4581 if (patchHandle) {
4582 index = mAudioPatches.indexOfKey(*patchHandle);
4583 } else {
4584 index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
4585 }
4586 if (index < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004587 return INVALID_OPERATION;
4588 }
Eric Laurent6a94d692014-05-20 11:18:06 -07004589 sp< AudioPatch> patchDesc = mAudioPatches.valueAt(index);
4590 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, delayMs);
Eric Laurent1c333e22014-05-20 10:48:17 -07004591 ALOGV("resetOutputDevice() releaseAudioPatch returned %d", status);
4592 outputDesc->mPatchHandle = 0;
Eric Laurent6a94d692014-05-20 11:18:06 -07004593 removeAudioPatch(patchDesc->mHandle);
4594 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004595 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004596 return status;
4597}
4598
4599status_t AudioPolicyManager::setInputDevice(audio_io_handle_t input,
4600 audio_devices_t device,
Eric Laurent6a94d692014-05-20 11:18:06 -07004601 bool force,
4602 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07004603{
4604 status_t status = NO_ERROR;
4605
Eric Laurent1f2f2232014-06-02 12:01:23 -07004606 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent1c333e22014-05-20 10:48:17 -07004607 if ((device != AUDIO_DEVICE_NONE) && ((device != inputDesc->mDevice) || force)) {
4608 inputDesc->mDevice = device;
4609
4610 DeviceVector deviceList = mAvailableInputDevices.getDevicesFromType(device);
4611 if (!deviceList.isEmpty()) {
4612 struct audio_patch patch;
4613 inputDesc->toAudioPortConfig(&patch.sinks[0]);
Eric Laurentdaf92cc2014-07-22 15:36:10 -07004614 // AUDIO_SOURCE_HOTWORD is for internal use only:
4615 // handled as AUDIO_SOURCE_VOICE_RECOGNITION by the audio HAL
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07004616 if (patch.sinks[0].ext.mix.usecase.source == AUDIO_SOURCE_HOTWORD &&
4617 !inputDesc->mIsSoundTrigger) {
Eric Laurentdaf92cc2014-07-22 15:36:10 -07004618 patch.sinks[0].ext.mix.usecase.source = AUDIO_SOURCE_VOICE_RECOGNITION;
4619 }
Eric Laurent1c333e22014-05-20 10:48:17 -07004620 patch.num_sinks = 1;
4621 //only one input device for now
4622 deviceList.itemAt(0)->toAudioPortConfig(&patch.sources[0]);
Eric Laurent1c333e22014-05-20 10:48:17 -07004623 patch.num_sources = 1;
Eric Laurent6a94d692014-05-20 11:18:06 -07004624 ssize_t index;
4625 if (patchHandle && *patchHandle != AUDIO_PATCH_HANDLE_NONE) {
4626 index = mAudioPatches.indexOfKey(*patchHandle);
4627 } else {
4628 index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
4629 }
4630 sp< AudioPatch> patchDesc;
4631 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
4632 if (index >= 0) {
4633 patchDesc = mAudioPatches.valueAt(index);
4634 afPatchHandle = patchDesc->mAfPatchHandle;
4635 }
4636
Eric Laurent1c333e22014-05-20 10:48:17 -07004637 status_t status = mpClientInterface->createAudioPatch(&patch,
Eric Laurent6a94d692014-05-20 11:18:06 -07004638 &afPatchHandle,
Eric Laurent1c333e22014-05-20 10:48:17 -07004639 0);
4640 ALOGV("setInputDevice() createAudioPatch returned %d patchHandle %d",
Eric Laurent6a94d692014-05-20 11:18:06 -07004641 status, afPatchHandle);
Eric Laurent1c333e22014-05-20 10:48:17 -07004642 if (status == NO_ERROR) {
Eric Laurent6a94d692014-05-20 11:18:06 -07004643 if (index < 0) {
4644 patchDesc = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
4645 &patch, mUidCached);
4646 addAudioPatch(patchDesc->mHandle, patchDesc);
4647 } else {
4648 patchDesc->mPatch = patch;
4649 }
4650 patchDesc->mAfPatchHandle = afPatchHandle;
4651 patchDesc->mUid = mUidCached;
4652 if (patchHandle) {
4653 *patchHandle = patchDesc->mHandle;
4654 }
4655 inputDesc->mPatchHandle = patchDesc->mHandle;
4656 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004657 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004658 }
4659 }
4660 }
4661 return status;
4662}
4663
Eric Laurent6a94d692014-05-20 11:18:06 -07004664status_t AudioPolicyManager::resetInputDevice(audio_io_handle_t input,
4665 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07004666{
Eric Laurent1f2f2232014-06-02 12:01:23 -07004667 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent6a94d692014-05-20 11:18:06 -07004668 ssize_t index;
4669 if (patchHandle) {
4670 index = mAudioPatches.indexOfKey(*patchHandle);
4671 } else {
4672 index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
4673 }
4674 if (index < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004675 return INVALID_OPERATION;
4676 }
Eric Laurent6a94d692014-05-20 11:18:06 -07004677 sp< AudioPatch> patchDesc = mAudioPatches.valueAt(index);
4678 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
Eric Laurent1c333e22014-05-20 10:48:17 -07004679 ALOGV("resetInputDevice() releaseAudioPatch returned %d", status);
4680 inputDesc->mPatchHandle = 0;
Eric Laurent6a94d692014-05-20 11:18:06 -07004681 removeAudioPatch(patchDesc->mHandle);
4682 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004683 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004684 return status;
4685}
4686
4687sp<AudioPolicyManager::IOProfile> AudioPolicyManager::getInputProfile(audio_devices_t device,
Glenn Kastencbd48022014-07-24 13:46:44 -07004688 uint32_t& samplingRate,
Eric Laurente552edb2014-03-10 17:42:56 -07004689 audio_format_t format,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07004690 audio_channel_mask_t channelMask,
Glenn Kastencbd48022014-07-24 13:46:44 -07004691 audio_input_flags_t flags)
Eric Laurente552edb2014-03-10 17:42:56 -07004692{
4693 // Choose an input profile based on the requested capture parameters: select the first available
4694 // profile supporting all requested parameters.
4695
4696 for (size_t i = 0; i < mHwModules.size(); i++)
4697 {
4698 if (mHwModules[i]->mHandle == 0) {
4699 continue;
4700 }
4701 for (size_t j = 0; j < mHwModules[i]->mInputProfiles.size(); j++)
4702 {
Eric Laurent1c333e22014-05-20 10:48:17 -07004703 sp<IOProfile> profile = mHwModules[i]->mInputProfiles[j];
Eric Laurentd4692962014-05-05 18:13:44 -07004704 // profile->log();
Glenn Kastencbd48022014-07-24 13:46:44 -07004705 if (profile->isCompatibleProfile(device, samplingRate,
4706 &samplingRate /*updatedSamplingRate*/,
4707 format, channelMask, (audio_output_flags_t) flags)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004708 return profile;
4709 }
4710 }
4711 }
4712 return NULL;
4713}
4714
Eric Laurente0720872014-03-11 09:30:41 -07004715audio_devices_t AudioPolicyManager::getDeviceForInputSource(audio_source_t inputSource)
Eric Laurente552edb2014-03-10 17:42:56 -07004716{
4717 uint32_t device = AUDIO_DEVICE_NONE;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004718 audio_devices_t availableDeviceTypes = mAvailableInputDevices.types() &
4719 ~AUDIO_DEVICE_BIT_IN;
Eric Laurente552edb2014-03-10 17:42:56 -07004720 switch (inputSource) {
4721 case AUDIO_SOURCE_VOICE_UPLINK:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004722 if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) {
Eric Laurente552edb2014-03-10 17:42:56 -07004723 device = AUDIO_DEVICE_IN_VOICE_CALL;
4724 break;
4725 }
Eric Laurentc2730ba2014-07-20 15:47:07 -07004726 break;
Eric Laurente552edb2014-03-10 17:42:56 -07004727
4728 case AUDIO_SOURCE_DEFAULT:
4729 case AUDIO_SOURCE_MIC:
Mike Lockwood41b0e242014-05-13 15:23:35 -07004730 if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) {
4731 device = AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
Eric Laurentc2730ba2014-07-20 15:47:07 -07004732 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
4733 device = AUDIO_DEVICE_IN_WIRED_HEADSET;
4734 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
4735 device = AUDIO_DEVICE_IN_USB_DEVICE;
4736 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
4737 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
Mike Lockwood41b0e242014-05-13 15:23:35 -07004738 }
Eric Laurentc2730ba2014-07-20 15:47:07 -07004739 break;
4740
4741 case AUDIO_SOURCE_VOICE_COMMUNICATION:
4742 // Allow only use of devices on primary input if in call and HAL does not support routing
4743 // to voice call path.
4744 if ((mPhoneState == AUDIO_MODE_IN_CALL) &&
4745 (mAvailableOutputDevices.types() & AUDIO_DEVICE_OUT_TELEPHONY_TX) == 0) {
4746 availableDeviceTypes = availablePrimaryInputDevices() & ~AUDIO_DEVICE_BIT_IN;
4747 }
4748
4749 switch (mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]) {
4750 case AUDIO_POLICY_FORCE_BT_SCO:
4751 // if SCO device is requested but no SCO device is available, fall back to default case
4752 if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
4753 device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
4754 break;
4755 }
4756 // FALL THROUGH
4757
4758 default: // FORCE_NONE
4759 if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
4760 device = AUDIO_DEVICE_IN_WIRED_HEADSET;
4761 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
4762 device = AUDIO_DEVICE_IN_USB_DEVICE;
4763 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
4764 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4765 }
4766 break;
4767
4768 case AUDIO_POLICY_FORCE_SPEAKER:
4769 if (availableDeviceTypes & AUDIO_DEVICE_IN_BACK_MIC) {
4770 device = AUDIO_DEVICE_IN_BACK_MIC;
4771 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
4772 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4773 }
4774 break;
4775 }
4776 break;
Mike Lockwood41b0e242014-05-13 15:23:35 -07004777
Eric Laurente552edb2014-03-10 17:42:56 -07004778 case AUDIO_SOURCE_VOICE_RECOGNITION:
4779 case AUDIO_SOURCE_HOTWORD:
Eric Laurent3b73df72014-03-11 09:06:29 -07004780 if (mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] == AUDIO_POLICY_FORCE_BT_SCO &&
Eric Laurent3a4311c2014-03-17 12:00:47 -07004781 availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
Eric Laurente552edb2014-03-10 17:42:56 -07004782 device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004783 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
Eric Laurente552edb2014-03-10 17:42:56 -07004784 device = AUDIO_DEVICE_IN_WIRED_HEADSET;
Eric Laurentd4692962014-05-05 18:13:44 -07004785 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
4786 device = AUDIO_DEVICE_IN_USB_DEVICE;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004787 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
Eric Laurente552edb2014-03-10 17:42:56 -07004788 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4789 }
4790 break;
4791 case AUDIO_SOURCE_CAMCORDER:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004792 if (availableDeviceTypes & AUDIO_DEVICE_IN_BACK_MIC) {
Eric Laurente552edb2014-03-10 17:42:56 -07004793 device = AUDIO_DEVICE_IN_BACK_MIC;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004794 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
Eric Laurente552edb2014-03-10 17:42:56 -07004795 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4796 }
4797 break;
4798 case AUDIO_SOURCE_VOICE_DOWNLINK:
4799 case AUDIO_SOURCE_VOICE_CALL:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004800 if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) {
Eric Laurente552edb2014-03-10 17:42:56 -07004801 device = AUDIO_DEVICE_IN_VOICE_CALL;
4802 }
4803 break;
4804 case AUDIO_SOURCE_REMOTE_SUBMIX:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004805 if (availableDeviceTypes & AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
Eric Laurente552edb2014-03-10 17:42:56 -07004806 device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
4807 }
4808 break;
Hochi Huang327cb702014-09-21 09:47:31 +08004809 case AUDIO_SOURCE_FM_TUNER:
4810 if (availableDeviceTypes & AUDIO_DEVICE_IN_FM_TUNER) {
4811 device = AUDIO_DEVICE_IN_FM_TUNER;
4812 }
4813 break;
Eric Laurente552edb2014-03-10 17:42:56 -07004814 default:
4815 ALOGW("getDeviceForInputSource() invalid input source %d", inputSource);
4816 break;
4817 }
4818 ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device);
4819 return device;
4820}
4821
Eric Laurente0720872014-03-11 09:30:41 -07004822bool AudioPolicyManager::isVirtualInputDevice(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07004823{
4824 if ((device & AUDIO_DEVICE_BIT_IN) != 0) {
4825 device &= ~AUDIO_DEVICE_BIT_IN;
4826 if ((popcount(device) == 1) && ((device & ~APM_AUDIO_IN_DEVICE_VIRTUAL_ALL) == 0))
4827 return true;
4828 }
4829 return false;
4830}
4831
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004832bool AudioPolicyManager::deviceDistinguishesOnAddress(audio_devices_t device) {
4833 return ((device & APM_AUDIO_DEVICE_MATCH_ADDRESS_ALL) != 0);
4834}
4835
Eric Laurente0720872014-03-11 09:30:41 -07004836audio_io_handle_t AudioPolicyManager::getActiveInput(bool ignoreVirtualInputs)
Eric Laurente552edb2014-03-10 17:42:56 -07004837{
4838 for (size_t i = 0; i < mInputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07004839 const sp<AudioInputDescriptor> input_descriptor = mInputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07004840 if ((input_descriptor->mRefCount > 0)
4841 && (!ignoreVirtualInputs || !isVirtualInputDevice(input_descriptor->mDevice))) {
4842 return mInputs.keyAt(i);
4843 }
4844 }
4845 return 0;
4846}
4847
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07004848uint32_t AudioPolicyManager::activeInputsCount() const
4849{
4850 uint32_t count = 0;
4851 for (size_t i = 0; i < mInputs.size(); i++) {
4852 const sp<AudioInputDescriptor> desc = mInputs.valueAt(i);
4853 if (desc->mRefCount > 0) {
4854 return count++;
4855 }
4856 }
4857 return count;
4858}
4859
Eric Laurente552edb2014-03-10 17:42:56 -07004860
Eric Laurente0720872014-03-11 09:30:41 -07004861audio_devices_t AudioPolicyManager::getDeviceForVolume(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07004862{
4863 if (device == AUDIO_DEVICE_NONE) {
4864 // this happens when forcing a route update and no track is active on an output.
4865 // In this case the returned category is not important.
4866 device = AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurent3b73df72014-03-11 09:06:29 -07004867 } else if (popcount(device) > 1) {
Eric Laurente552edb2014-03-10 17:42:56 -07004868 // Multiple device selection is either:
4869 // - speaker + one other device: give priority to speaker in this case.
4870 // - one A2DP device + another device: happens with duplicated output. In this case
4871 // retain the device on the A2DP output as the other must not correspond to an active
4872 // selection if not the speaker.
Jungshik Janga1f99172014-09-05 21:25:48 +09004873 // - HDMI-CEC system audio mode only output: give priority to available item in order.
Eric Laurente552edb2014-03-10 17:42:56 -07004874 if (device & AUDIO_DEVICE_OUT_SPEAKER) {
4875 device = AUDIO_DEVICE_OUT_SPEAKER;
Jungshik Janga1f99172014-09-05 21:25:48 +09004876 } else if (device & AUDIO_DEVICE_OUT_HDMI_ARC) {
4877 device = AUDIO_DEVICE_OUT_HDMI_ARC;
4878 } else if (device & AUDIO_DEVICE_OUT_AUX_LINE) {
4879 device = AUDIO_DEVICE_OUT_AUX_LINE;
4880 } else if (device & AUDIO_DEVICE_OUT_SPDIF) {
4881 device = AUDIO_DEVICE_OUT_SPDIF;
Eric Laurente552edb2014-03-10 17:42:56 -07004882 } else {
4883 device = (audio_devices_t)(device & AUDIO_DEVICE_OUT_ALL_A2DP);
4884 }
4885 }
4886
Jon Eklund11c9fb12014-06-23 14:47:03 -05004887 /*SPEAKER_SAFE is an alias of SPEAKER for purposes of volume control*/
4888 if (device == AUDIO_DEVICE_OUT_SPEAKER_SAFE)
4889 device = AUDIO_DEVICE_OUT_SPEAKER;
4890
Eric Laurent3b73df72014-03-11 09:06:29 -07004891 ALOGW_IF(popcount(device) != 1,
Eric Laurente552edb2014-03-10 17:42:56 -07004892 "getDeviceForVolume() invalid device combination: %08x",
4893 device);
4894
4895 return device;
4896}
4897
Eric Laurente0720872014-03-11 09:30:41 -07004898AudioPolicyManager::device_category AudioPolicyManager::getDeviceCategory(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07004899{
4900 switch(getDeviceForVolume(device)) {
4901 case AUDIO_DEVICE_OUT_EARPIECE:
4902 return DEVICE_CATEGORY_EARPIECE;
4903 case AUDIO_DEVICE_OUT_WIRED_HEADSET:
4904 case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
4905 case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
4906 case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
4907 case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
4908 case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
4909 return DEVICE_CATEGORY_HEADSET;
Jon Eklundac29afa2014-07-28 16:06:06 -05004910 case AUDIO_DEVICE_OUT_LINE:
4911 case AUDIO_DEVICE_OUT_AUX_DIGITAL:
4912 /*USB? Remote submix?*/
4913 return DEVICE_CATEGORY_EXT_MEDIA;
Eric Laurente552edb2014-03-10 17:42:56 -07004914 case AUDIO_DEVICE_OUT_SPEAKER:
4915 case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
4916 case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
Eric Laurente552edb2014-03-10 17:42:56 -07004917 case AUDIO_DEVICE_OUT_USB_ACCESSORY:
4918 case AUDIO_DEVICE_OUT_USB_DEVICE:
4919 case AUDIO_DEVICE_OUT_REMOTE_SUBMIX:
4920 default:
4921 return DEVICE_CATEGORY_SPEAKER;
4922 }
4923}
4924
Eric Laurente0720872014-03-11 09:30:41 -07004925float AudioPolicyManager::volIndexToAmpl(audio_devices_t device, const StreamDescriptor& streamDesc,
Eric Laurente552edb2014-03-10 17:42:56 -07004926 int indexInUi)
4927{
4928 device_category deviceCategory = getDeviceCategory(device);
4929 const VolumeCurvePoint *curve = streamDesc.mVolumeCurve[deviceCategory];
4930
4931 // the volume index in the UI is relative to the min and max volume indices for this stream type
4932 int nbSteps = 1 + curve[VOLMAX].mIndex -
4933 curve[VOLMIN].mIndex;
4934 int volIdx = (nbSteps * (indexInUi - streamDesc.mIndexMin)) /
4935 (streamDesc.mIndexMax - streamDesc.mIndexMin);
4936
4937 // find what part of the curve this index volume belongs to, or if it's out of bounds
4938 int segment = 0;
4939 if (volIdx < curve[VOLMIN].mIndex) { // out of bounds
4940 return 0.0f;
4941 } else if (volIdx < curve[VOLKNEE1].mIndex) {
4942 segment = 0;
4943 } else if (volIdx < curve[VOLKNEE2].mIndex) {
4944 segment = 1;
4945 } else if (volIdx <= curve[VOLMAX].mIndex) {
4946 segment = 2;
4947 } else { // out of bounds
4948 return 1.0f;
4949 }
4950
4951 // linear interpolation in the attenuation table in dB
4952 float decibels = curve[segment].mDBAttenuation +
4953 ((float)(volIdx - curve[segment].mIndex)) *
4954 ( (curve[segment+1].mDBAttenuation -
4955 curve[segment].mDBAttenuation) /
4956 ((float)(curve[segment+1].mIndex -
4957 curve[segment].mIndex)) );
4958
4959 float amplification = exp( decibels * 0.115129f); // exp( dB * ln(10) / 20 )
4960
4961 ALOGVV("VOLUME vol index=[%d %d %d], dB=[%.1f %.1f %.1f] ampl=%.5f",
4962 curve[segment].mIndex, volIdx,
4963 curve[segment+1].mIndex,
4964 curve[segment].mDBAttenuation,
4965 decibels,
4966 curve[segment+1].mDBAttenuation,
4967 amplification);
4968
4969 return amplification;
4970}
4971
Eric Laurente0720872014-03-11 09:30:41 -07004972const AudioPolicyManager::VolumeCurvePoint
4973 AudioPolicyManager::sDefaultVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004974 {1, -49.5f}, {33, -33.5f}, {66, -17.0f}, {100, 0.0f}
4975};
4976
Eric Laurente0720872014-03-11 09:30:41 -07004977const AudioPolicyManager::VolumeCurvePoint
4978 AudioPolicyManager::sDefaultMediaVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004979 {1, -58.0f}, {20, -40.0f}, {60, -17.0f}, {100, 0.0f}
4980};
4981
Eric Laurente0720872014-03-11 09:30:41 -07004982const AudioPolicyManager::VolumeCurvePoint
Jon Eklundac29afa2014-07-28 16:06:06 -05004983 AudioPolicyManager::sExtMediaSystemVolumeCurve[AudioPolicyManager::VOLCNT] = {
4984 {1, -58.0f}, {20, -40.0f}, {60, -21.0f}, {100, -10.0f}
4985};
4986
4987const AudioPolicyManager::VolumeCurvePoint
Eric Laurente0720872014-03-11 09:30:41 -07004988 AudioPolicyManager::sSpeakerMediaVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004989 {1, -56.0f}, {20, -34.0f}, {60, -11.0f}, {100, 0.0f}
4990};
4991
Eric Laurente0720872014-03-11 09:30:41 -07004992const AudioPolicyManager::VolumeCurvePoint
Jean-Michel Triviccd8e4a2014-06-05 15:33:20 -07004993 AudioPolicyManager::sSpeakerMediaVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {
Jean-Michel Trivi98c60432014-07-09 08:51:34 -07004994 {1, -55.0f}, {20, -43.0f}, {86, -12.0f}, {100, 0.0f}
Jean-Michel Triviccd8e4a2014-06-05 15:33:20 -07004995};
4996
4997const AudioPolicyManager::VolumeCurvePoint
Eric Laurente0720872014-03-11 09:30:41 -07004998 AudioPolicyManager::sSpeakerSonificationVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004999 {1, -29.7f}, {33, -20.1f}, {66, -10.2f}, {100, 0.0f}
5000};
5001
Eric Laurente0720872014-03-11 09:30:41 -07005002const AudioPolicyManager::VolumeCurvePoint
5003 AudioPolicyManager::sSpeakerSonificationVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005004 {1, -35.7f}, {33, -26.1f}, {66, -13.2f}, {100, 0.0f}
5005};
5006
5007// AUDIO_STREAM_SYSTEM, AUDIO_STREAM_ENFORCED_AUDIBLE and AUDIO_STREAM_DTMF volume tracks
5008// AUDIO_STREAM_RING on phones and AUDIO_STREAM_MUSIC on tablets.
5009// AUDIO_STREAM_DTMF tracks AUDIO_STREAM_VOICE_CALL while in call (See AudioService.java).
5010// The range is constrained between -24dB and -6dB over speaker and -30dB and -18dB over headset.
5011
Eric Laurente0720872014-03-11 09:30:41 -07005012const AudioPolicyManager::VolumeCurvePoint
5013 AudioPolicyManager::sDefaultSystemVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005014 {1, -24.0f}, {33, -18.0f}, {66, -12.0f}, {100, -6.0f}
5015};
5016
Eric Laurente0720872014-03-11 09:30:41 -07005017const AudioPolicyManager::VolumeCurvePoint
5018 AudioPolicyManager::sDefaultSystemVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005019 {1, -34.0f}, {33, -24.0f}, {66, -15.0f}, {100, -6.0f}
5020};
5021
Eric Laurente0720872014-03-11 09:30:41 -07005022const AudioPolicyManager::VolumeCurvePoint
5023 AudioPolicyManager::sHeadsetSystemVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005024 {1, -30.0f}, {33, -26.0f}, {66, -22.0f}, {100, -18.0f}
5025};
5026
Eric Laurente0720872014-03-11 09:30:41 -07005027const AudioPolicyManager::VolumeCurvePoint
5028 AudioPolicyManager::sDefaultVoiceVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005029 {0, -42.0f}, {33, -28.0f}, {66, -14.0f}, {100, 0.0f}
5030};
5031
Eric Laurente0720872014-03-11 09:30:41 -07005032const AudioPolicyManager::VolumeCurvePoint
5033 AudioPolicyManager::sSpeakerVoiceVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005034 {0, -24.0f}, {33, -16.0f}, {66, -8.0f}, {100, 0.0f}
5035};
5036
Eric Laurente0720872014-03-11 09:30:41 -07005037const AudioPolicyManager::VolumeCurvePoint
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07005038 AudioPolicyManager::sLinearVolumeCurve[AudioPolicyManager::VOLCNT] = {
5039 {0, -96.0f}, {33, -68.0f}, {66, -34.0f}, {100, 0.0f}
5040};
5041
5042const AudioPolicyManager::VolumeCurvePoint
5043 AudioPolicyManager::sSilentVolumeCurve[AudioPolicyManager::VOLCNT] = {
5044 {0, -96.0f}, {1, -96.0f}, {2, -96.0f}, {100, -96.0f}
5045};
5046
5047const AudioPolicyManager::VolumeCurvePoint
Eric Laurente0720872014-03-11 09:30:41 -07005048 *AudioPolicyManager::sVolumeProfiles[AUDIO_STREAM_CNT]
5049 [AudioPolicyManager::DEVICE_CATEGORY_CNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07005050 { // AUDIO_STREAM_VOICE_CALL
5051 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_HEADSET
5052 sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005053 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5054 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005055 },
5056 { // AUDIO_STREAM_SYSTEM
5057 sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET
5058 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005059 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5060 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005061 },
5062 { // AUDIO_STREAM_RING
5063 sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET
5064 sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005065 sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5066 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005067 },
5068 { // AUDIO_STREAM_MUSIC
5069 sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_HEADSET
5070 sSpeakerMediaVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005071 sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5072 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005073 },
5074 { // AUDIO_STREAM_ALARM
5075 sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET
5076 sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005077 sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5078 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005079 },
5080 { // AUDIO_STREAM_NOTIFICATION
5081 sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET
5082 sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005083 sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5084 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005085 },
5086 { // AUDIO_STREAM_BLUETOOTH_SCO
5087 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_HEADSET
5088 sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005089 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5090 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005091 },
5092 { // AUDIO_STREAM_ENFORCED_AUDIBLE
5093 sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET
5094 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005095 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5096 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005097 },
5098 { // AUDIO_STREAM_DTMF
5099 sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET
5100 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05005101 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5102 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005103 },
5104 { // AUDIO_STREAM_TTS
Jean-Michel Trivid9cfeb42014-09-22 16:51:34 -07005105 // "Transmitted Through Speaker": always silent except on DEVICE_CATEGORY_SPEAKER
5106 sSilentVolumeCurve, // DEVICE_CATEGORY_HEADSET
5107 sLinearVolumeCurve, // DEVICE_CATEGORY_SPEAKER
5108 sSilentVolumeCurve, // DEVICE_CATEGORY_EARPIECE
5109 sSilentVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07005110 },
5111};
5112
Eric Laurente0720872014-03-11 09:30:41 -07005113void AudioPolicyManager::initializeVolumeCurves()
Eric Laurente552edb2014-03-10 17:42:56 -07005114{
5115 for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
5116 for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
5117 mStreams[i].mVolumeCurve[j] =
5118 sVolumeProfiles[i][j];
5119 }
5120 }
5121
5122 // Check availability of DRC on speaker path: if available, override some of the speaker curves
5123 if (mSpeakerDrcEnabled) {
5124 mStreams[AUDIO_STREAM_SYSTEM].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
5125 sDefaultSystemVolumeCurveDrc;
5126 mStreams[AUDIO_STREAM_RING].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
5127 sSpeakerSonificationVolumeCurveDrc;
5128 mStreams[AUDIO_STREAM_ALARM].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
5129 sSpeakerSonificationVolumeCurveDrc;
5130 mStreams[AUDIO_STREAM_NOTIFICATION].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
5131 sSpeakerSonificationVolumeCurveDrc;
Jean-Michel Triviccd8e4a2014-06-05 15:33:20 -07005132 mStreams[AUDIO_STREAM_MUSIC].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
5133 sSpeakerMediaVolumeCurveDrc;
Eric Laurente552edb2014-03-10 17:42:56 -07005134 }
5135}
5136
Eric Laurente0720872014-03-11 09:30:41 -07005137float AudioPolicyManager::computeVolume(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07005138 int index,
5139 audio_io_handle_t output,
5140 audio_devices_t device)
5141{
5142 float volume = 1.0;
Eric Laurent1f2f2232014-06-02 12:01:23 -07005143 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07005144 StreamDescriptor &streamDesc = mStreams[stream];
5145
5146 if (device == AUDIO_DEVICE_NONE) {
5147 device = outputDesc->device();
5148 }
5149
Eric Laurente552edb2014-03-10 17:42:56 -07005150 volume = volIndexToAmpl(device, streamDesc, index);
5151
5152 // if a headset is connected, apply the following rules to ring tones and notifications
5153 // to avoid sound level bursts in user's ears:
5154 // - always attenuate ring tones and notifications volume by 6dB
5155 // - if music is playing, always limit the volume to current music volume,
5156 // with a minimum threshold at -36dB so that notification is always perceived.
Eric Laurent3b73df72014-03-11 09:06:29 -07005157 const routing_strategy stream_strategy = getStrategy(stream);
Eric Laurente552edb2014-03-10 17:42:56 -07005158 if ((device & (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
5159 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
5160 AUDIO_DEVICE_OUT_WIRED_HEADSET |
5161 AUDIO_DEVICE_OUT_WIRED_HEADPHONE)) &&
5162 ((stream_strategy == STRATEGY_SONIFICATION)
5163 || (stream_strategy == STRATEGY_SONIFICATION_RESPECTFUL)
Eric Laurent3b73df72014-03-11 09:06:29 -07005164 || (stream == AUDIO_STREAM_SYSTEM)
Eric Laurente552edb2014-03-10 17:42:56 -07005165 || ((stream_strategy == STRATEGY_ENFORCED_AUDIBLE) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07005166 (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_NONE))) &&
Eric Laurente552edb2014-03-10 17:42:56 -07005167 streamDesc.mCanBeMuted) {
5168 volume *= SONIFICATION_HEADSET_VOLUME_FACTOR;
5169 // when the phone is ringing we must consider that music could have been paused just before
5170 // by the music application and behave as if music was active if the last music track was
5171 // just stopped
Eric Laurent3b73df72014-03-11 09:06:29 -07005172 if (isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY) ||
Eric Laurente552edb2014-03-10 17:42:56 -07005173 mLimitRingtoneVolume) {
5174 audio_devices_t musicDevice = getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/);
Eric Laurent3b73df72014-03-11 09:06:29 -07005175 float musicVol = computeVolume(AUDIO_STREAM_MUSIC,
5176 mStreams[AUDIO_STREAM_MUSIC].getVolumeIndex(musicDevice),
Eric Laurente552edb2014-03-10 17:42:56 -07005177 output,
5178 musicDevice);
5179 float minVol = (musicVol > SONIFICATION_HEADSET_VOLUME_MIN) ?
5180 musicVol : SONIFICATION_HEADSET_VOLUME_MIN;
5181 if (volume > minVol) {
5182 volume = minVol;
5183 ALOGV("computeVolume limiting volume to %f musicVol %f", minVol, musicVol);
5184 }
5185 }
5186 }
5187
5188 return volume;
5189}
5190
Eric Laurente0720872014-03-11 09:30:41 -07005191status_t AudioPolicyManager::checkAndSetVolume(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07005192 int index,
5193 audio_io_handle_t output,
5194 audio_devices_t device,
5195 int delayMs,
5196 bool force)
5197{
5198
5199 // do not change actual stream volume if the stream is muted
5200 if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) {
5201 ALOGVV("checkAndSetVolume() stream %d muted count %d",
5202 stream, mOutputs.valueFor(output)->mMuteCount[stream]);
5203 return NO_ERROR;
5204 }
5205
5206 // do not change in call volume if bluetooth is connected and vice versa
Eric Laurent3b73df72014-03-11 09:06:29 -07005207 if ((stream == AUDIO_STREAM_VOICE_CALL &&
5208 mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] == AUDIO_POLICY_FORCE_BT_SCO) ||
5209 (stream == AUDIO_STREAM_BLUETOOTH_SCO &&
5210 mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] != AUDIO_POLICY_FORCE_BT_SCO)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005211 ALOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm",
Eric Laurent3b73df72014-03-11 09:06:29 -07005212 stream, mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]);
Eric Laurente552edb2014-03-10 17:42:56 -07005213 return INVALID_OPERATION;
5214 }
5215
5216 float volume = computeVolume(stream, index, output, device);
5217 // We actually change the volume if:
5218 // - the float value returned by computeVolume() changed
5219 // - the force flag is set
5220 if (volume != mOutputs.valueFor(output)->mCurVolume[stream] ||
5221 force) {
5222 mOutputs.valueFor(output)->mCurVolume[stream] = volume;
5223 ALOGVV("checkAndSetVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs);
5224 // Force VOICE_CALL to track BLUETOOTH_SCO stream volume when bluetooth audio is
5225 // enabled
Eric Laurent3b73df72014-03-11 09:06:29 -07005226 if (stream == AUDIO_STREAM_BLUETOOTH_SCO) {
5227 mpClientInterface->setStreamVolume(AUDIO_STREAM_VOICE_CALL, volume, output, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07005228 }
Eric Laurent3b73df72014-03-11 09:06:29 -07005229 mpClientInterface->setStreamVolume(stream, volume, output, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07005230 }
5231
Eric Laurent3b73df72014-03-11 09:06:29 -07005232 if (stream == AUDIO_STREAM_VOICE_CALL ||
5233 stream == AUDIO_STREAM_BLUETOOTH_SCO) {
Eric Laurente552edb2014-03-10 17:42:56 -07005234 float voiceVolume;
5235 // Force voice volume to max for bluetooth SCO as volume is managed by the headset
Eric Laurent3b73df72014-03-11 09:06:29 -07005236 if (stream == AUDIO_STREAM_VOICE_CALL) {
Eric Laurente552edb2014-03-10 17:42:56 -07005237 voiceVolume = (float)index/(float)mStreams[stream].mIndexMax;
5238 } else {
5239 voiceVolume = 1.0;
5240 }
5241
5242 if (voiceVolume != mLastVoiceVolume && output == mPrimaryOutput) {
5243 mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
5244 mLastVoiceVolume = voiceVolume;
5245 }
5246 }
5247
5248 return NO_ERROR;
5249}
5250
Eric Laurente0720872014-03-11 09:30:41 -07005251void AudioPolicyManager::applyStreamVolumes(audio_io_handle_t output,
Eric Laurente552edb2014-03-10 17:42:56 -07005252 audio_devices_t device,
5253 int delayMs,
5254 bool force)
5255{
5256 ALOGVV("applyStreamVolumes() for output %d and device %x", output, device);
5257
Eric Laurent3b73df72014-03-11 09:06:29 -07005258 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
5259 checkAndSetVolume((audio_stream_type_t)stream,
Eric Laurente552edb2014-03-10 17:42:56 -07005260 mStreams[stream].getVolumeIndex(device),
5261 output,
5262 device,
5263 delayMs,
5264 force);
5265 }
5266}
5267
Eric Laurente0720872014-03-11 09:30:41 -07005268void AudioPolicyManager::setStrategyMute(routing_strategy strategy,
Eric Laurente552edb2014-03-10 17:42:56 -07005269 bool on,
5270 audio_io_handle_t output,
5271 int delayMs,
5272 audio_devices_t device)
5273{
5274 ALOGVV("setStrategyMute() strategy %d, mute %d, output %d", strategy, on, output);
Eric Laurent3b73df72014-03-11 09:06:29 -07005275 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
5276 if (getStrategy((audio_stream_type_t)stream) == strategy) {
5277 setStreamMute((audio_stream_type_t)stream, on, output, delayMs, device);
Eric Laurente552edb2014-03-10 17:42:56 -07005278 }
5279 }
5280}
5281
Eric Laurente0720872014-03-11 09:30:41 -07005282void AudioPolicyManager::setStreamMute(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07005283 bool on,
5284 audio_io_handle_t output,
5285 int delayMs,
5286 audio_devices_t device)
5287{
5288 StreamDescriptor &streamDesc = mStreams[stream];
Eric Laurent1f2f2232014-06-02 12:01:23 -07005289 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07005290 if (device == AUDIO_DEVICE_NONE) {
5291 device = outputDesc->device();
5292 }
5293
5294 ALOGVV("setStreamMute() stream %d, mute %d, output %d, mMuteCount %d device %04x",
5295 stream, on, output, outputDesc->mMuteCount[stream], device);
5296
5297 if (on) {
5298 if (outputDesc->mMuteCount[stream] == 0) {
5299 if (streamDesc.mCanBeMuted &&
Eric Laurent3b73df72014-03-11 09:06:29 -07005300 ((stream != AUDIO_STREAM_ENFORCED_AUDIBLE) ||
5301 (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_NONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07005302 checkAndSetVolume(stream, 0, output, device, delayMs);
5303 }
5304 }
5305 // increment mMuteCount after calling checkAndSetVolume() so that volume change is not ignored
5306 outputDesc->mMuteCount[stream]++;
5307 } else {
5308 if (outputDesc->mMuteCount[stream] == 0) {
5309 ALOGV("setStreamMute() unmuting non muted stream!");
5310 return;
5311 }
5312 if (--outputDesc->mMuteCount[stream] == 0) {
5313 checkAndSetVolume(stream,
5314 streamDesc.getVolumeIndex(device),
5315 output,
5316 device,
5317 delayMs);
5318 }
5319 }
5320}
5321
Eric Laurente0720872014-03-11 09:30:41 -07005322void AudioPolicyManager::handleIncallSonification(audio_stream_type_t stream,
Eric Laurent3b73df72014-03-11 09:06:29 -07005323 bool starting, bool stateChange)
Eric Laurente552edb2014-03-10 17:42:56 -07005324{
5325 // if the stream pertains to sonification strategy and we are in call we must
5326 // mute the stream if it is low visibility. If it is high visibility, we must play a tone
5327 // in the device used for phone strategy and play the tone if the selected device does not
5328 // interfere with the device used for phone strategy
5329 // if stateChange is true, we are called from setPhoneState() and we must mute or unmute as
5330 // many times as there are active tracks on the output
Eric Laurent3b73df72014-03-11 09:06:29 -07005331 const routing_strategy stream_strategy = getStrategy(stream);
Eric Laurente552edb2014-03-10 17:42:56 -07005332 if ((stream_strategy == STRATEGY_SONIFICATION) ||
5333 ((stream_strategy == STRATEGY_SONIFICATION_RESPECTFUL))) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07005334 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(mPrimaryOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07005335 ALOGV("handleIncallSonification() stream %d starting %d device %x stateChange %d",
5336 stream, starting, outputDesc->mDevice, stateChange);
5337 if (outputDesc->mRefCount[stream]) {
5338 int muteCount = 1;
5339 if (stateChange) {
5340 muteCount = outputDesc->mRefCount[stream];
5341 }
Eric Laurent3b73df72014-03-11 09:06:29 -07005342 if (audio_is_low_visibility(stream)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005343 ALOGV("handleIncallSonification() low visibility, muteCount %d", muteCount);
5344 for (int i = 0; i < muteCount; i++) {
5345 setStreamMute(stream, starting, mPrimaryOutput);
5346 }
5347 } else {
5348 ALOGV("handleIncallSonification() high visibility");
5349 if (outputDesc->device() &
5350 getDeviceForStrategy(STRATEGY_PHONE, true /*fromCache*/)) {
5351 ALOGV("handleIncallSonification() high visibility muted, muteCount %d", muteCount);
5352 for (int i = 0; i < muteCount; i++) {
5353 setStreamMute(stream, starting, mPrimaryOutput);
5354 }
5355 }
5356 if (starting) {
Eric Laurent3b73df72014-03-11 09:06:29 -07005357 mpClientInterface->startTone(AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION,
5358 AUDIO_STREAM_VOICE_CALL);
Eric Laurente552edb2014-03-10 17:42:56 -07005359 } else {
5360 mpClientInterface->stopTone();
5361 }
5362 }
5363 }
5364 }
5365}
5366
Eric Laurente0720872014-03-11 09:30:41 -07005367bool AudioPolicyManager::isInCall()
Eric Laurente552edb2014-03-10 17:42:56 -07005368{
5369 return isStateInCall(mPhoneState);
5370}
5371
Eric Laurente0720872014-03-11 09:30:41 -07005372bool AudioPolicyManager::isStateInCall(int state) {
Eric Laurent3b73df72014-03-11 09:06:29 -07005373 return ((state == AUDIO_MODE_IN_CALL) ||
5374 (state == AUDIO_MODE_IN_COMMUNICATION));
Eric Laurente552edb2014-03-10 17:42:56 -07005375}
5376
Eric Laurente0720872014-03-11 09:30:41 -07005377uint32_t AudioPolicyManager::getMaxEffectsCpuLoad()
Eric Laurente552edb2014-03-10 17:42:56 -07005378{
5379 return MAX_EFFECTS_CPU_LOAD;
5380}
5381
Eric Laurente0720872014-03-11 09:30:41 -07005382uint32_t AudioPolicyManager::getMaxEffectsMemory()
Eric Laurente552edb2014-03-10 17:42:56 -07005383{
5384 return MAX_EFFECTS_MEMORY;
5385}
5386
Eric Laurent6a94d692014-05-20 11:18:06 -07005387
Eric Laurente552edb2014-03-10 17:42:56 -07005388// --- AudioOutputDescriptor class implementation
5389
Eric Laurente0720872014-03-11 09:30:41 -07005390AudioPolicyManager::AudioOutputDescriptor::AudioOutputDescriptor(
Eric Laurent1c333e22014-05-20 10:48:17 -07005391 const sp<IOProfile>& profile)
Eric Laurent1f2f2232014-06-02 12:01:23 -07005392 : mId(0), mIoHandle(0), mLatency(0),
Eric Laurent1c333e22014-05-20 10:48:17 -07005393 mFlags((audio_output_flags_t)0), mDevice(AUDIO_DEVICE_NONE), mPatchHandle(0),
Eric Laurente552edb2014-03-10 17:42:56 -07005394 mOutput1(0), mOutput2(0), mProfile(profile), mDirectOpenCount(0)
5395{
5396 // clear usage count for all stream types
Eric Laurent3b73df72014-03-11 09:06:29 -07005397 for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
Eric Laurente552edb2014-03-10 17:42:56 -07005398 mRefCount[i] = 0;
5399 mCurVolume[i] = -1.0;
5400 mMuteCount[i] = 0;
5401 mStopTime[i] = 0;
5402 }
5403 for (int i = 0; i < NUM_STRATEGIES; i++) {
5404 mStrategyMutedByDevice[i] = false;
5405 }
5406 if (profile != NULL) {
Eric Laurent5dbe4712014-09-19 19:04:57 -07005407 mFlags = (audio_output_flags_t)profile->mFlags;
Eric Laurent1e693b52014-07-09 15:03:28 -07005408 mSamplingRate = profile->pickSamplingRate();
5409 mFormat = profile->pickFormat();
5410 mChannelMask = profile->pickChannelMask();
Eric Laurenta121f902014-06-03 13:32:54 -07005411 if (profile->mGains.size() > 0) {
5412 profile->mGains[0]->getDefaultConfig(&mGain);
5413 }
Eric Laurente552edb2014-03-10 17:42:56 -07005414 }
5415}
5416
Eric Laurente0720872014-03-11 09:30:41 -07005417audio_devices_t AudioPolicyManager::AudioOutputDescriptor::device() const
Eric Laurente552edb2014-03-10 17:42:56 -07005418{
5419 if (isDuplicated()) {
5420 return (audio_devices_t)(mOutput1->mDevice | mOutput2->mDevice);
5421 } else {
5422 return mDevice;
5423 }
5424}
5425
Eric Laurente0720872014-03-11 09:30:41 -07005426uint32_t AudioPolicyManager::AudioOutputDescriptor::latency()
Eric Laurente552edb2014-03-10 17:42:56 -07005427{
5428 if (isDuplicated()) {
5429 return (mOutput1->mLatency > mOutput2->mLatency) ? mOutput1->mLatency : mOutput2->mLatency;
5430 } else {
5431 return mLatency;
5432 }
5433}
5434
Eric Laurente0720872014-03-11 09:30:41 -07005435bool AudioPolicyManager::AudioOutputDescriptor::sharesHwModuleWith(
Eric Laurent1f2f2232014-06-02 12:01:23 -07005436 const sp<AudioOutputDescriptor> outputDesc)
Eric Laurente552edb2014-03-10 17:42:56 -07005437{
5438 if (isDuplicated()) {
5439 return mOutput1->sharesHwModuleWith(outputDesc) || mOutput2->sharesHwModuleWith(outputDesc);
5440 } else if (outputDesc->isDuplicated()){
5441 return sharesHwModuleWith(outputDesc->mOutput1) || sharesHwModuleWith(outputDesc->mOutput2);
5442 } else {
5443 return (mProfile->mModule == outputDesc->mProfile->mModule);
5444 }
5445}
5446
Eric Laurente0720872014-03-11 09:30:41 -07005447void AudioPolicyManager::AudioOutputDescriptor::changeRefCount(audio_stream_type_t stream,
Eric Laurent3b73df72014-03-11 09:06:29 -07005448 int delta)
Eric Laurente552edb2014-03-10 17:42:56 -07005449{
5450 // forward usage count change to attached outputs
5451 if (isDuplicated()) {
5452 mOutput1->changeRefCount(stream, delta);
5453 mOutput2->changeRefCount(stream, delta);
5454 }
5455 if ((delta + (int)mRefCount[stream]) < 0) {
Eric Laurent3b73df72014-03-11 09:06:29 -07005456 ALOGW("changeRefCount() invalid delta %d for stream %d, refCount %d",
5457 delta, stream, mRefCount[stream]);
Eric Laurente552edb2014-03-10 17:42:56 -07005458 mRefCount[stream] = 0;
5459 return;
5460 }
5461 mRefCount[stream] += delta;
5462 ALOGV("changeRefCount() stream %d, count %d", stream, mRefCount[stream]);
5463}
5464
Eric Laurente0720872014-03-11 09:30:41 -07005465audio_devices_t AudioPolicyManager::AudioOutputDescriptor::supportedDevices()
Eric Laurente552edb2014-03-10 17:42:56 -07005466{
5467 if (isDuplicated()) {
5468 return (audio_devices_t)(mOutput1->supportedDevices() | mOutput2->supportedDevices());
5469 } else {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005470 return mProfile->mSupportedDevices.types() ;
Eric Laurente552edb2014-03-10 17:42:56 -07005471 }
5472}
5473
Eric Laurente0720872014-03-11 09:30:41 -07005474bool AudioPolicyManager::AudioOutputDescriptor::isActive(uint32_t inPastMs) const
Eric Laurente552edb2014-03-10 17:42:56 -07005475{
5476 return isStrategyActive(NUM_STRATEGIES, inPastMs);
5477}
5478
Eric Laurente0720872014-03-11 09:30:41 -07005479bool AudioPolicyManager::AudioOutputDescriptor::isStrategyActive(routing_strategy strategy,
Eric Laurente552edb2014-03-10 17:42:56 -07005480 uint32_t inPastMs,
5481 nsecs_t sysTime) const
5482{
5483 if ((sysTime == 0) && (inPastMs != 0)) {
5484 sysTime = systemTime();
5485 }
Eric Laurent3b73df72014-03-11 09:06:29 -07005486 for (int i = 0; i < (int)AUDIO_STREAM_CNT; i++) {
5487 if (((getStrategy((audio_stream_type_t)i) == strategy) ||
Eric Laurente552edb2014-03-10 17:42:56 -07005488 (NUM_STRATEGIES == strategy)) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07005489 isStreamActive((audio_stream_type_t)i, inPastMs, sysTime)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005490 return true;
5491 }
5492 }
5493 return false;
5494}
5495
Eric Laurente0720872014-03-11 09:30:41 -07005496bool AudioPolicyManager::AudioOutputDescriptor::isStreamActive(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07005497 uint32_t inPastMs,
5498 nsecs_t sysTime) const
5499{
5500 if (mRefCount[stream] != 0) {
5501 return true;
5502 }
5503 if (inPastMs == 0) {
5504 return false;
5505 }
5506 if (sysTime == 0) {
5507 sysTime = systemTime();
5508 }
5509 if (ns2ms(sysTime - mStopTime[stream]) < inPastMs) {
5510 return true;
5511 }
5512 return false;
5513}
5514
Eric Laurent1c333e22014-05-20 10:48:17 -07005515void AudioPolicyManager::AudioOutputDescriptor::toAudioPortConfig(
Eric Laurent6a94d692014-05-20 11:18:06 -07005516 struct audio_port_config *dstConfig,
5517 const struct audio_port_config *srcConfig) const
Eric Laurent1c333e22014-05-20 10:48:17 -07005518{
Eric Laurent84c70242014-06-23 08:46:27 -07005519 ALOG_ASSERT(!isDuplicated(), "toAudioPortConfig() called on duplicated output %d", mIoHandle);
5520
Eric Laurent1f2f2232014-06-02 12:01:23 -07005521 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK|
5522 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN;
5523 if (srcConfig != NULL) {
Eric Laurent84c70242014-06-23 08:46:27 -07005524 dstConfig->config_mask |= srcConfig->config_mask;
Eric Laurent1f2f2232014-06-02 12:01:23 -07005525 }
5526 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
5527
Eric Laurent6a94d692014-05-20 11:18:06 -07005528 dstConfig->id = mId;
5529 dstConfig->role = AUDIO_PORT_ROLE_SOURCE;
5530 dstConfig->type = AUDIO_PORT_TYPE_MIX;
Eric Laurent6a94d692014-05-20 11:18:06 -07005531 dstConfig->ext.mix.hw_module = mProfile->mModule->mHandle;
5532 dstConfig->ext.mix.handle = mIoHandle;
5533 dstConfig->ext.mix.usecase.stream = AUDIO_STREAM_DEFAULT;
Eric Laurent1c333e22014-05-20 10:48:17 -07005534}
5535
5536void AudioPolicyManager::AudioOutputDescriptor::toAudioPort(
5537 struct audio_port *port) const
5538{
Eric Laurent84c70242014-06-23 08:46:27 -07005539 ALOG_ASSERT(!isDuplicated(), "toAudioPort() called on duplicated output %d", mIoHandle);
Eric Laurent1c333e22014-05-20 10:48:17 -07005540 mProfile->toAudioPort(port);
5541 port->id = mId;
Eric Laurent6a94d692014-05-20 11:18:06 -07005542 toAudioPortConfig(&port->active_config);
5543 port->ext.mix.hw_module = mProfile->mModule->mHandle;
Eric Laurent1c333e22014-05-20 10:48:17 -07005544 port->ext.mix.handle = mIoHandle;
5545 port->ext.mix.latency_class =
5546 mFlags & AUDIO_OUTPUT_FLAG_FAST ? AUDIO_LATENCY_LOW : AUDIO_LATENCY_NORMAL;
5547}
Eric Laurente552edb2014-03-10 17:42:56 -07005548
Eric Laurente0720872014-03-11 09:30:41 -07005549status_t AudioPolicyManager::AudioOutputDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005550{
5551 const size_t SIZE = 256;
5552 char buffer[SIZE];
5553 String8 result;
5554
Eric Laurent4d416952014-08-10 14:07:09 -07005555 snprintf(buffer, SIZE, " ID: %d\n", mId);
5556 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07005557 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
5558 result.append(buffer);
5559 snprintf(buffer, SIZE, " Format: %08x\n", mFormat);
5560 result.append(buffer);
5561 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask);
5562 result.append(buffer);
5563 snprintf(buffer, SIZE, " Latency: %d\n", mLatency);
5564 result.append(buffer);
5565 snprintf(buffer, SIZE, " Flags %08x\n", mFlags);
5566 result.append(buffer);
5567 snprintf(buffer, SIZE, " Devices %08x\n", device());
5568 result.append(buffer);
5569 snprintf(buffer, SIZE, " Stream volume refCount muteCount\n");
5570 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07005571 for (int i = 0; i < (int)AUDIO_STREAM_CNT; i++) {
5572 snprintf(buffer, SIZE, " %02d %.03f %02d %02d\n",
5573 i, mCurVolume[i], mRefCount[i], mMuteCount[i]);
Eric Laurente552edb2014-03-10 17:42:56 -07005574 result.append(buffer);
5575 }
5576 write(fd, result.string(), result.size());
5577
5578 return NO_ERROR;
5579}
5580
5581// --- AudioInputDescriptor class implementation
5582
Eric Laurent1c333e22014-05-20 10:48:17 -07005583AudioPolicyManager::AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile)
Eric Laurent1f2f2232014-06-02 12:01:23 -07005584 : mId(0), mIoHandle(0),
Eric Laurent1c333e22014-05-20 10:48:17 -07005585 mDevice(AUDIO_DEVICE_NONE), mPatchHandle(0), mRefCount(0),
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07005586 mInputSource(AUDIO_SOURCE_DEFAULT), mProfile(profile), mIsSoundTrigger(false)
Eric Laurente552edb2014-03-10 17:42:56 -07005587{
Eric Laurent3a4311c2014-03-17 12:00:47 -07005588 if (profile != NULL) {
Eric Laurent1e693b52014-07-09 15:03:28 -07005589 mSamplingRate = profile->pickSamplingRate();
5590 mFormat = profile->pickFormat();
5591 mChannelMask = profile->pickChannelMask();
Eric Laurenta121f902014-06-03 13:32:54 -07005592 if (profile->mGains.size() > 0) {
5593 profile->mGains[0]->getDefaultConfig(&mGain);
5594 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07005595 }
Eric Laurente552edb2014-03-10 17:42:56 -07005596}
5597
Eric Laurent1c333e22014-05-20 10:48:17 -07005598void AudioPolicyManager::AudioInputDescriptor::toAudioPortConfig(
Eric Laurent6a94d692014-05-20 11:18:06 -07005599 struct audio_port_config *dstConfig,
5600 const struct audio_port_config *srcConfig) const
Eric Laurent1c333e22014-05-20 10:48:17 -07005601{
Eric Laurent84c70242014-06-23 08:46:27 -07005602 ALOG_ASSERT(mProfile != 0,
5603 "toAudioPortConfig() called on input with null profile %d", mIoHandle);
Eric Laurent1f2f2232014-06-02 12:01:23 -07005604 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK|
5605 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN;
5606 if (srcConfig != NULL) {
Eric Laurent84c70242014-06-23 08:46:27 -07005607 dstConfig->config_mask |= srcConfig->config_mask;
Eric Laurent1f2f2232014-06-02 12:01:23 -07005608 }
5609
5610 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
5611
Eric Laurent6a94d692014-05-20 11:18:06 -07005612 dstConfig->id = mId;
5613 dstConfig->role = AUDIO_PORT_ROLE_SINK;
5614 dstConfig->type = AUDIO_PORT_TYPE_MIX;
Eric Laurent62aaabb2014-06-02 10:40:54 -07005615 dstConfig->ext.mix.hw_module = mProfile->mModule->mHandle;
5616 dstConfig->ext.mix.handle = mIoHandle;
5617 dstConfig->ext.mix.usecase.source = mInputSource;
Eric Laurent1c333e22014-05-20 10:48:17 -07005618}
5619
5620void AudioPolicyManager::AudioInputDescriptor::toAudioPort(
5621 struct audio_port *port) const
5622{
Eric Laurent84c70242014-06-23 08:46:27 -07005623 ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle);
5624
Eric Laurent1c333e22014-05-20 10:48:17 -07005625 mProfile->toAudioPort(port);
5626 port->id = mId;
Eric Laurent6a94d692014-05-20 11:18:06 -07005627 toAudioPortConfig(&port->active_config);
5628 port->ext.mix.hw_module = mProfile->mModule->mHandle;
Eric Laurent1c333e22014-05-20 10:48:17 -07005629 port->ext.mix.handle = mIoHandle;
5630 port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL;
5631}
5632
Eric Laurente0720872014-03-11 09:30:41 -07005633status_t AudioPolicyManager::AudioInputDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005634{
5635 const size_t SIZE = 256;
5636 char buffer[SIZE];
5637 String8 result;
5638
Eric Laurent4d416952014-08-10 14:07:09 -07005639 snprintf(buffer, SIZE, " ID: %d\n", mId);
5640 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07005641 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
5642 result.append(buffer);
5643 snprintf(buffer, SIZE, " Format: %d\n", mFormat);
5644 result.append(buffer);
5645 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask);
5646 result.append(buffer);
5647 snprintf(buffer, SIZE, " Devices %08x\n", mDevice);
5648 result.append(buffer);
5649 snprintf(buffer, SIZE, " Ref Count %d\n", mRefCount);
5650 result.append(buffer);
Glenn Kasten6a8ab052014-07-24 14:08:35 -07005651 snprintf(buffer, SIZE, " Open Ref Count %d\n", mOpenRefCount);
5652 result.append(buffer);
5653
Eric Laurente552edb2014-03-10 17:42:56 -07005654 write(fd, result.string(), result.size());
5655
5656 return NO_ERROR;
5657}
5658
5659// --- StreamDescriptor class implementation
5660
Eric Laurente0720872014-03-11 09:30:41 -07005661AudioPolicyManager::StreamDescriptor::StreamDescriptor()
Eric Laurente552edb2014-03-10 17:42:56 -07005662 : mIndexMin(0), mIndexMax(1), mCanBeMuted(true)
5663{
5664 mIndexCur.add(AUDIO_DEVICE_OUT_DEFAULT, 0);
5665}
5666
Eric Laurente0720872014-03-11 09:30:41 -07005667int AudioPolicyManager::StreamDescriptor::getVolumeIndex(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07005668{
Eric Laurente0720872014-03-11 09:30:41 -07005669 device = AudioPolicyManager::getDeviceForVolume(device);
Eric Laurente552edb2014-03-10 17:42:56 -07005670 // there is always a valid entry for AUDIO_DEVICE_OUT_DEFAULT
5671 if (mIndexCur.indexOfKey(device) < 0) {
5672 device = AUDIO_DEVICE_OUT_DEFAULT;
5673 }
5674 return mIndexCur.valueFor(device);
5675}
5676
Eric Laurente0720872014-03-11 09:30:41 -07005677void AudioPolicyManager::StreamDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005678{
5679 const size_t SIZE = 256;
5680 char buffer[SIZE];
5681 String8 result;
5682
5683 snprintf(buffer, SIZE, "%s %02d %02d ",
5684 mCanBeMuted ? "true " : "false", mIndexMin, mIndexMax);
5685 result.append(buffer);
5686 for (size_t i = 0; i < mIndexCur.size(); i++) {
5687 snprintf(buffer, SIZE, "%04x : %02d, ",
5688 mIndexCur.keyAt(i),
5689 mIndexCur.valueAt(i));
5690 result.append(buffer);
5691 }
5692 result.append("\n");
5693
5694 write(fd, result.string(), result.size());
5695}
5696
5697// --- EffectDescriptor class implementation
5698
Eric Laurente0720872014-03-11 09:30:41 -07005699status_t AudioPolicyManager::EffectDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005700{
5701 const size_t SIZE = 256;
5702 char buffer[SIZE];
5703 String8 result;
5704
5705 snprintf(buffer, SIZE, " I/O: %d\n", mIo);
5706 result.append(buffer);
5707 snprintf(buffer, SIZE, " Strategy: %d\n", mStrategy);
5708 result.append(buffer);
5709 snprintf(buffer, SIZE, " Session: %d\n", mSession);
5710 result.append(buffer);
5711 snprintf(buffer, SIZE, " Name: %s\n", mDesc.name);
5712 result.append(buffer);
5713 snprintf(buffer, SIZE, " %s\n", mEnabled ? "Enabled" : "Disabled");
5714 result.append(buffer);
5715 write(fd, result.string(), result.size());
5716
5717 return NO_ERROR;
5718}
5719
Eric Laurent1c333e22014-05-20 10:48:17 -07005720// --- HwModule class implementation
Eric Laurente552edb2014-03-10 17:42:56 -07005721
Eric Laurente0720872014-03-11 09:30:41 -07005722AudioPolicyManager::HwModule::HwModule(const char *name)
Eric Laurenteb108a42014-06-06 14:56:52 -07005723 : mName(strndup(name, AUDIO_HARDWARE_MODULE_ID_MAX_LEN)),
5724 mHalVersion(AUDIO_DEVICE_API_VERSION_MIN), mHandle(0)
Eric Laurente552edb2014-03-10 17:42:56 -07005725{
5726}
5727
Eric Laurente0720872014-03-11 09:30:41 -07005728AudioPolicyManager::HwModule::~HwModule()
Eric Laurente552edb2014-03-10 17:42:56 -07005729{
5730 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005731 mOutputProfiles[i]->mSupportedDevices.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07005732 }
5733 for (size_t i = 0; i < mInputProfiles.size(); i++) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005734 mInputProfiles[i]->mSupportedDevices.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07005735 }
5736 free((void *)mName);
5737}
5738
Eric Laurent1afeecb2014-05-14 08:52:28 -07005739status_t AudioPolicyManager::HwModule::loadInput(cnode *root)
5740{
5741 cnode *node = root->first_child;
5742
5743 sp<IOProfile> profile = new IOProfile(String8(root->name), AUDIO_PORT_ROLE_SINK, this);
5744
5745 while (node) {
5746 if (strcmp(node->name, SAMPLING_RATES_TAG) == 0) {
5747 profile->loadSamplingRates((char *)node->value);
5748 } else if (strcmp(node->name, FORMATS_TAG) == 0) {
5749 profile->loadFormats((char *)node->value);
5750 } else if (strcmp(node->name, CHANNELS_TAG) == 0) {
5751 profile->loadInChannels((char *)node->value);
5752 } else if (strcmp(node->name, DEVICES_TAG) == 0) {
5753 profile->mSupportedDevices.loadDevicesFromName((char *)node->value,
5754 mDeclaredDevices);
Eric Laurent5dbe4712014-09-19 19:04:57 -07005755 } else if (strcmp(node->name, FLAGS_TAG) == 0) {
5756 profile->mFlags = parseInputFlagNames((char *)node->value);
Eric Laurent1afeecb2014-05-14 08:52:28 -07005757 } else if (strcmp(node->name, GAINS_TAG) == 0) {
5758 profile->loadGains(node);
5759 }
5760 node = node->next;
5761 }
5762 ALOGW_IF(profile->mSupportedDevices.isEmpty(),
5763 "loadInput() invalid supported devices");
5764 ALOGW_IF(profile->mChannelMasks.size() == 0,
5765 "loadInput() invalid supported channel masks");
5766 ALOGW_IF(profile->mSamplingRates.size() == 0,
5767 "loadInput() invalid supported sampling rates");
5768 ALOGW_IF(profile->mFormats.size() == 0,
5769 "loadInput() invalid supported formats");
5770 if (!profile->mSupportedDevices.isEmpty() &&
5771 (profile->mChannelMasks.size() != 0) &&
5772 (profile->mSamplingRates.size() != 0) &&
5773 (profile->mFormats.size() != 0)) {
5774
5775 ALOGV("loadInput() adding input Supported Devices %04x",
5776 profile->mSupportedDevices.types());
5777
5778 mInputProfiles.add(profile);
5779 return NO_ERROR;
5780 } else {
5781 return BAD_VALUE;
5782 }
5783}
5784
5785status_t AudioPolicyManager::HwModule::loadOutput(cnode *root)
5786{
5787 cnode *node = root->first_child;
5788
5789 sp<IOProfile> profile = new IOProfile(String8(root->name), AUDIO_PORT_ROLE_SOURCE, this);
5790
5791 while (node) {
5792 if (strcmp(node->name, SAMPLING_RATES_TAG) == 0) {
5793 profile->loadSamplingRates((char *)node->value);
5794 } else if (strcmp(node->name, FORMATS_TAG) == 0) {
5795 profile->loadFormats((char *)node->value);
5796 } else if (strcmp(node->name, CHANNELS_TAG) == 0) {
5797 profile->loadOutChannels((char *)node->value);
5798 } else if (strcmp(node->name, DEVICES_TAG) == 0) {
5799 profile->mSupportedDevices.loadDevicesFromName((char *)node->value,
5800 mDeclaredDevices);
5801 } else if (strcmp(node->name, FLAGS_TAG) == 0) {
Eric Laurent5dbe4712014-09-19 19:04:57 -07005802 profile->mFlags = parseOutputFlagNames((char *)node->value);
Eric Laurent1afeecb2014-05-14 08:52:28 -07005803 } else if (strcmp(node->name, GAINS_TAG) == 0) {
5804 profile->loadGains(node);
5805 }
5806 node = node->next;
5807 }
5808 ALOGW_IF(profile->mSupportedDevices.isEmpty(),
5809 "loadOutput() invalid supported devices");
5810 ALOGW_IF(profile->mChannelMasks.size() == 0,
5811 "loadOutput() invalid supported channel masks");
5812 ALOGW_IF(profile->mSamplingRates.size() == 0,
5813 "loadOutput() invalid supported sampling rates");
5814 ALOGW_IF(profile->mFormats.size() == 0,
5815 "loadOutput() invalid supported formats");
5816 if (!profile->mSupportedDevices.isEmpty() &&
5817 (profile->mChannelMasks.size() != 0) &&
5818 (profile->mSamplingRates.size() != 0) &&
5819 (profile->mFormats.size() != 0)) {
5820
5821 ALOGV("loadOutput() adding output Supported Devices %04x, mFlags %04x",
5822 profile->mSupportedDevices.types(), profile->mFlags);
5823
5824 mOutputProfiles.add(profile);
5825 return NO_ERROR;
5826 } else {
5827 return BAD_VALUE;
5828 }
5829}
5830
5831status_t AudioPolicyManager::HwModule::loadDevice(cnode *root)
5832{
5833 cnode *node = root->first_child;
5834
5835 audio_devices_t type = AUDIO_DEVICE_NONE;
5836 while (node) {
5837 if (strcmp(node->name, DEVICE_TYPE) == 0) {
5838 type = parseDeviceNames((char *)node->value);
5839 break;
5840 }
5841 node = node->next;
5842 }
5843 if (type == AUDIO_DEVICE_NONE ||
5844 (!audio_is_input_device(type) && !audio_is_output_device(type))) {
5845 ALOGW("loadDevice() bad type %08x", type);
5846 return BAD_VALUE;
5847 }
5848 sp<DeviceDescriptor> deviceDesc = new DeviceDescriptor(String8(root->name), type);
5849 deviceDesc->mModule = this;
5850
5851 node = root->first_child;
5852 while (node) {
5853 if (strcmp(node->name, DEVICE_ADDRESS) == 0) {
5854 deviceDesc->mAddress = String8((char *)node->value);
5855 } else if (strcmp(node->name, CHANNELS_TAG) == 0) {
5856 if (audio_is_input_device(type)) {
5857 deviceDesc->loadInChannels((char *)node->value);
5858 } else {
5859 deviceDesc->loadOutChannels((char *)node->value);
5860 }
5861 } else if (strcmp(node->name, GAINS_TAG) == 0) {
5862 deviceDesc->loadGains(node);
5863 }
5864 node = node->next;
5865 }
5866
5867 ALOGV("loadDevice() adding device name %s type %08x address %s",
5868 deviceDesc->mName.string(), type, deviceDesc->mAddress.string());
5869
5870 mDeclaredDevices.add(deviceDesc);
5871
5872 return NO_ERROR;
5873}
5874
Eric Laurente0720872014-03-11 09:30:41 -07005875void AudioPolicyManager::HwModule::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005876{
5877 const size_t SIZE = 256;
5878 char buffer[SIZE];
5879 String8 result;
5880
5881 snprintf(buffer, SIZE, " - name: %s\n", mName);
5882 result.append(buffer);
5883 snprintf(buffer, SIZE, " - handle: %d\n", mHandle);
5884 result.append(buffer);
Eric Laurenteb108a42014-06-06 14:56:52 -07005885 snprintf(buffer, SIZE, " - version: %u.%u\n", mHalVersion >> 8, mHalVersion & 0xFF);
5886 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07005887 write(fd, result.string(), result.size());
5888 if (mOutputProfiles.size()) {
5889 write(fd, " - outputs:\n", strlen(" - outputs:\n"));
5890 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07005891 snprintf(buffer, SIZE, " output %zu:\n", i);
Eric Laurente552edb2014-03-10 17:42:56 -07005892 write(fd, buffer, strlen(buffer));
5893 mOutputProfiles[i]->dump(fd);
5894 }
5895 }
5896 if (mInputProfiles.size()) {
5897 write(fd, " - inputs:\n", strlen(" - inputs:\n"));
5898 for (size_t i = 0; i < mInputProfiles.size(); i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07005899 snprintf(buffer, SIZE, " input %zu:\n", i);
Eric Laurente552edb2014-03-10 17:42:56 -07005900 write(fd, buffer, strlen(buffer));
5901 mInputProfiles[i]->dump(fd);
5902 }
5903 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07005904 if (mDeclaredDevices.size()) {
5905 write(fd, " - devices:\n", strlen(" - devices:\n"));
5906 for (size_t i = 0; i < mDeclaredDevices.size(); i++) {
5907 mDeclaredDevices[i]->dump(fd, 4, i);
5908 }
5909 }
Eric Laurente552edb2014-03-10 17:42:56 -07005910}
5911
Eric Laurent1c333e22014-05-20 10:48:17 -07005912// --- AudioPort class implementation
5913
Eric Laurenta121f902014-06-03 13:32:54 -07005914
5915AudioPolicyManager::AudioPort::AudioPort(const String8& name, audio_port_type_t type,
5916 audio_port_role_t role, const sp<HwModule>& module) :
Eric Laurent5dbe4712014-09-19 19:04:57 -07005917 mName(name), mType(type), mRole(role), mModule(module), mFlags(0)
Eric Laurenta121f902014-06-03 13:32:54 -07005918{
5919 mUseInChannelMask = ((type == AUDIO_PORT_TYPE_DEVICE) && (role == AUDIO_PORT_ROLE_SOURCE)) ||
5920 ((type == AUDIO_PORT_TYPE_MIX) && (role == AUDIO_PORT_ROLE_SINK));
5921}
5922
Eric Laurent1c333e22014-05-20 10:48:17 -07005923void AudioPolicyManager::AudioPort::toAudioPort(struct audio_port *port) const
5924{
5925 port->role = mRole;
5926 port->type = mType;
5927 unsigned int i;
5928 for (i = 0; i < mSamplingRates.size() && i < AUDIO_PORT_MAX_SAMPLING_RATES; i++) {
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07005929 if (mSamplingRates[i] != 0) {
5930 port->sample_rates[i] = mSamplingRates[i];
5931 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005932 }
5933 port->num_sample_rates = i;
5934 for (i = 0; i < mChannelMasks.size() && i < AUDIO_PORT_MAX_CHANNEL_MASKS; i++) {
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07005935 if (mChannelMasks[i] != 0) {
5936 port->channel_masks[i] = mChannelMasks[i];
5937 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005938 }
5939 port->num_channel_masks = i;
5940 for (i = 0; i < mFormats.size() && i < AUDIO_PORT_MAX_FORMATS; i++) {
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07005941 if (mFormats[i] != 0) {
5942 port->formats[i] = mFormats[i];
5943 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005944 }
5945 port->num_formats = i;
Eric Laurente1715a42014-05-20 11:30:42 -07005946
Mark Salyzynbeb9e302014-06-18 16:33:15 -07005947 ALOGV("AudioPort::toAudioPort() num gains %zu", mGains.size());
Eric Laurente1715a42014-05-20 11:30:42 -07005948
5949 for (i = 0; i < mGains.size() && i < AUDIO_PORT_MAX_GAINS; i++) {
5950 port->gains[i] = mGains[i]->mGain;
5951 }
5952 port->num_gains = i;
Eric Laurent1c333e22014-05-20 10:48:17 -07005953}
5954
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07005955void AudioPolicyManager::AudioPort::importAudioPort(const sp<AudioPort> port) {
5956 for (size_t k = 0 ; k < port->mSamplingRates.size() ; k++) {
5957 const uint32_t rate = port->mSamplingRates.itemAt(k);
5958 if (rate != 0) { // skip "dynamic" rates
5959 bool hasRate = false;
5960 for (size_t l = 0 ; l < mSamplingRates.size() ; l++) {
5961 if (rate == mSamplingRates.itemAt(l)) {
5962 hasRate = true;
5963 break;
5964 }
5965 }
5966 if (!hasRate) { // never import a sampling rate twice
5967 mSamplingRates.add(rate);
5968 }
5969 }
5970 }
5971 for (size_t k = 0 ; k < port->mChannelMasks.size() ; k++) {
5972 const audio_channel_mask_t mask = port->mChannelMasks.itemAt(k);
5973 if (mask != 0) { // skip "dynamic" masks
5974 bool hasMask = false;
5975 for (size_t l = 0 ; l < mChannelMasks.size() ; l++) {
5976 if (mask == mChannelMasks.itemAt(l)) {
5977 hasMask = true;
5978 break;
5979 }
5980 }
5981 if (!hasMask) { // never import a channel mask twice
5982 mChannelMasks.add(mask);
5983 }
5984 }
5985 }
5986 for (size_t k = 0 ; k < port->mFormats.size() ; k++) {
5987 const audio_format_t format = port->mFormats.itemAt(k);
5988 if (format != 0) { // skip "dynamic" formats
5989 bool hasFormat = false;
5990 for (size_t l = 0 ; l < mFormats.size() ; l++) {
5991 if (format == mFormats.itemAt(l)) {
5992 hasFormat = true;
5993 break;
5994 }
5995 }
5996 if (!hasFormat) { // never import a channel mask twice
5997 mFormats.add(format);
5998 }
5999 }
6000 }
Hochi Huang23fe3c02014-10-03 09:09:30 +08006001 for (size_t k = 0 ; k < port->mGains.size() ; k++) {
6002 sp<AudioGain> gain = port->mGains.itemAt(k);
6003 if (gain != 0) {
6004 bool hasGain = false;
6005 for (size_t l = 0 ; l < mGains.size() ; l++) {
6006 if (gain == mGains.itemAt(l)) {
6007 hasGain = true;
6008 break;
6009 }
6010 }
6011 if (!hasGain) { // never import a gain twice
6012 mGains.add(gain);
6013 }
6014 }
6015 }
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07006016}
6017
6018void AudioPolicyManager::AudioPort::clearCapabilities() {
6019 mChannelMasks.clear();
6020 mFormats.clear();
6021 mSamplingRates.clear();
Hochi Huang23fe3c02014-10-03 09:09:30 +08006022 mGains.clear();
Jean-Michel Trivif17026d2014-08-10 14:30:48 -07006023}
Eric Laurent1c333e22014-05-20 10:48:17 -07006024
6025void AudioPolicyManager::AudioPort::loadSamplingRates(char *name)
6026{
6027 char *str = strtok(name, "|");
6028
6029 // by convention, "0' in the first entry in mSamplingRates indicates the supported sampling
6030 // rates should be read from the output stream after it is opened for the first time
6031 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
6032 mSamplingRates.add(0);
6033 return;
6034 }
6035
6036 while (str != NULL) {
6037 uint32_t rate = atoi(str);
6038 if (rate != 0) {
6039 ALOGV("loadSamplingRates() adding rate %d", rate);
6040 mSamplingRates.add(rate);
6041 }
6042 str = strtok(NULL, "|");
6043 }
Eric Laurent1c333e22014-05-20 10:48:17 -07006044}
6045
6046void AudioPolicyManager::AudioPort::loadFormats(char *name)
6047{
6048 char *str = strtok(name, "|");
6049
6050 // by convention, "0' in the first entry in mFormats indicates the supported formats
6051 // should be read from the output stream after it is opened for the first time
6052 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
6053 mFormats.add(AUDIO_FORMAT_DEFAULT);
6054 return;
6055 }
6056
6057 while (str != NULL) {
6058 audio_format_t format = (audio_format_t)stringToEnum(sFormatNameToEnumTable,
6059 ARRAY_SIZE(sFormatNameToEnumTable),
6060 str);
6061 if (format != AUDIO_FORMAT_DEFAULT) {
6062 mFormats.add(format);
6063 }
6064 str = strtok(NULL, "|");
6065 }
Eric Laurent1c333e22014-05-20 10:48:17 -07006066}
6067
6068void AudioPolicyManager::AudioPort::loadInChannels(char *name)
6069{
6070 const char *str = strtok(name, "|");
6071
6072 ALOGV("loadInChannels() %s", name);
6073
6074 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
6075 mChannelMasks.add(0);
6076 return;
6077 }
6078
6079 while (str != NULL) {
6080 audio_channel_mask_t channelMask =
6081 (audio_channel_mask_t)stringToEnum(sInChannelsNameToEnumTable,
6082 ARRAY_SIZE(sInChannelsNameToEnumTable),
6083 str);
6084 if (channelMask != 0) {
6085 ALOGV("loadInChannels() adding channelMask %04x", channelMask);
6086 mChannelMasks.add(channelMask);
6087 }
6088 str = strtok(NULL, "|");
6089 }
Eric Laurent1c333e22014-05-20 10:48:17 -07006090}
6091
6092void AudioPolicyManager::AudioPort::loadOutChannels(char *name)
6093{
6094 const char *str = strtok(name, "|");
6095
6096 ALOGV("loadOutChannels() %s", name);
6097
6098 // by convention, "0' in the first entry in mChannelMasks indicates the supported channel
6099 // masks should be read from the output stream after it is opened for the first time
6100 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
6101 mChannelMasks.add(0);
6102 return;
6103 }
6104
6105 while (str != NULL) {
6106 audio_channel_mask_t channelMask =
6107 (audio_channel_mask_t)stringToEnum(sOutChannelsNameToEnumTable,
6108 ARRAY_SIZE(sOutChannelsNameToEnumTable),
6109 str);
6110 if (channelMask != 0) {
6111 mChannelMasks.add(channelMask);
6112 }
6113 str = strtok(NULL, "|");
6114 }
6115 return;
6116}
6117
Eric Laurent1afeecb2014-05-14 08:52:28 -07006118audio_gain_mode_t AudioPolicyManager::AudioPort::loadGainMode(char *name)
6119{
6120 const char *str = strtok(name, "|");
6121
6122 ALOGV("loadGainMode() %s", name);
6123 audio_gain_mode_t mode = 0;
6124 while (str != NULL) {
6125 mode |= (audio_gain_mode_t)stringToEnum(sGainModeNameToEnumTable,
6126 ARRAY_SIZE(sGainModeNameToEnumTable),
6127 str);
6128 str = strtok(NULL, "|");
6129 }
6130 return mode;
6131}
6132
Eric Laurenta121f902014-06-03 13:32:54 -07006133void AudioPolicyManager::AudioPort::loadGain(cnode *root, int index)
Eric Laurent1afeecb2014-05-14 08:52:28 -07006134{
6135 cnode *node = root->first_child;
6136
Eric Laurenta121f902014-06-03 13:32:54 -07006137 sp<AudioGain> gain = new AudioGain(index, mUseInChannelMask);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006138
6139 while (node) {
6140 if (strcmp(node->name, GAIN_MODE) == 0) {
6141 gain->mGain.mode = loadGainMode((char *)node->value);
6142 } else if (strcmp(node->name, GAIN_CHANNELS) == 0) {
Eric Laurenta121f902014-06-03 13:32:54 -07006143 if (mUseInChannelMask) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07006144 gain->mGain.channel_mask =
6145 (audio_channel_mask_t)stringToEnum(sInChannelsNameToEnumTable,
6146 ARRAY_SIZE(sInChannelsNameToEnumTable),
6147 (char *)node->value);
6148 } else {
6149 gain->mGain.channel_mask =
6150 (audio_channel_mask_t)stringToEnum(sOutChannelsNameToEnumTable,
6151 ARRAY_SIZE(sOutChannelsNameToEnumTable),
6152 (char *)node->value);
6153 }
6154 } else if (strcmp(node->name, GAIN_MIN_VALUE) == 0) {
6155 gain->mGain.min_value = atoi((char *)node->value);
6156 } else if (strcmp(node->name, GAIN_MAX_VALUE) == 0) {
6157 gain->mGain.max_value = atoi((char *)node->value);
6158 } else if (strcmp(node->name, GAIN_DEFAULT_VALUE) == 0) {
6159 gain->mGain.default_value = atoi((char *)node->value);
6160 } else if (strcmp(node->name, GAIN_STEP_VALUE) == 0) {
6161 gain->mGain.step_value = atoi((char *)node->value);
6162 } else if (strcmp(node->name, GAIN_MIN_RAMP_MS) == 0) {
6163 gain->mGain.min_ramp_ms = atoi((char *)node->value);
6164 } else if (strcmp(node->name, GAIN_MAX_RAMP_MS) == 0) {
6165 gain->mGain.max_ramp_ms = atoi((char *)node->value);
6166 }
6167 node = node->next;
6168 }
6169
6170 ALOGV("loadGain() adding new gain mode %08x channel mask %08x min mB %d max mB %d",
6171 gain->mGain.mode, gain->mGain.channel_mask, gain->mGain.min_value, gain->mGain.max_value);
6172
6173 if (gain->mGain.mode == 0) {
6174 return;
6175 }
6176 mGains.add(gain);
6177}
6178
6179void AudioPolicyManager::AudioPort::loadGains(cnode *root)
6180{
6181 cnode *node = root->first_child;
Eric Laurenta121f902014-06-03 13:32:54 -07006182 int index = 0;
Eric Laurent1afeecb2014-05-14 08:52:28 -07006183 while (node) {
6184 ALOGV("loadGains() loading gain %s", node->name);
Eric Laurenta121f902014-06-03 13:32:54 -07006185 loadGain(node, index++);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006186 node = node->next;
6187 }
6188}
6189
Glenn Kastencbd48022014-07-24 13:46:44 -07006190status_t AudioPolicyManager::AudioPort::checkExactSamplingRate(uint32_t samplingRate) const
Eric Laurenta121f902014-06-03 13:32:54 -07006191{
6192 for (size_t i = 0; i < mSamplingRates.size(); i ++) {
6193 if (mSamplingRates[i] == samplingRate) {
6194 return NO_ERROR;
6195 }
6196 }
6197 return BAD_VALUE;
6198}
6199
Glenn Kastencbd48022014-07-24 13:46:44 -07006200status_t AudioPolicyManager::AudioPort::checkCompatibleSamplingRate(uint32_t samplingRate,
6201 uint32_t *updatedSamplingRate) const
Eric Laurenta121f902014-06-03 13:32:54 -07006202{
Glenn Kastencbd48022014-07-24 13:46:44 -07006203 // Search for the closest supported sampling rate that is above (preferred)
6204 // or below (acceptable) the desired sampling rate, within a permitted ratio.
6205 // The sampling rates do not need to be sorted in ascending order.
6206 ssize_t maxBelow = -1;
6207 ssize_t minAbove = -1;
6208 uint32_t candidate;
6209 for (size_t i = 0; i < mSamplingRates.size(); i++) {
6210 candidate = mSamplingRates[i];
6211 if (candidate == samplingRate) {
6212 if (updatedSamplingRate != NULL) {
6213 *updatedSamplingRate = candidate;
6214 }
6215 return NO_ERROR;
6216 }
6217 // candidate < desired
6218 if (candidate < samplingRate) {
6219 if (maxBelow < 0 || candidate > mSamplingRates[maxBelow]) {
6220 maxBelow = i;
6221 }
6222 // candidate > desired
6223 } else {
6224 if (minAbove < 0 || candidate < mSamplingRates[minAbove]) {
6225 minAbove = i;
6226 }
6227 }
6228 }
6229 // This uses hard-coded knowledge about AudioFlinger resampling ratios.
6230 // TODO Move these assumptions out.
6231 static const uint32_t kMaxDownSampleRatio = 6; // beyond this aliasing occurs
6232 static const uint32_t kMaxUpSampleRatio = 256; // beyond this sample rate inaccuracies occur
6233 // due to approximation by an int32_t of the
6234 // phase increments
6235 // Prefer to down-sample from a higher sampling rate, as we get the desired frequency spectrum.
6236 if (minAbove >= 0) {
6237 candidate = mSamplingRates[minAbove];
6238 if (candidate / kMaxDownSampleRatio <= samplingRate) {
6239 if (updatedSamplingRate != NULL) {
6240 *updatedSamplingRate = candidate;
6241 }
6242 return NO_ERROR;
6243 }
6244 }
6245 // But if we have to up-sample from a lower sampling rate, that's OK.
6246 if (maxBelow >= 0) {
6247 candidate = mSamplingRates[maxBelow];
6248 if (candidate * kMaxUpSampleRatio >= samplingRate) {
6249 if (updatedSamplingRate != NULL) {
6250 *updatedSamplingRate = candidate;
6251 }
6252 return NO_ERROR;
6253 }
6254 }
6255 // leave updatedSamplingRate unmodified
6256 return BAD_VALUE;
6257}
6258
6259status_t AudioPolicyManager::AudioPort::checkExactChannelMask(audio_channel_mask_t channelMask) const
6260{
6261 for (size_t i = 0; i < mChannelMasks.size(); i++) {
Eric Laurenta121f902014-06-03 13:32:54 -07006262 if (mChannelMasks[i] == channelMask) {
6263 return NO_ERROR;
6264 }
6265 }
6266 return BAD_VALUE;
6267}
6268
Glenn Kastencbd48022014-07-24 13:46:44 -07006269status_t AudioPolicyManager::AudioPort::checkCompatibleChannelMask(audio_channel_mask_t channelMask)
6270 const
6271{
6272 const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
6273 for (size_t i = 0; i < mChannelMasks.size(); i ++) {
6274 // FIXME Does not handle multi-channel automatic conversions yet
6275 audio_channel_mask_t supported = mChannelMasks[i];
6276 if (supported == channelMask) {
6277 return NO_ERROR;
6278 }
6279 if (isRecordThread) {
6280 // This uses hard-coded knowledge that AudioFlinger can silently down-mix and up-mix.
6281 // FIXME Abstract this out to a table.
6282 if (((supported == AUDIO_CHANNEL_IN_FRONT_BACK || supported == AUDIO_CHANNEL_IN_STEREO)
6283 && channelMask == AUDIO_CHANNEL_IN_MONO) ||
6284 (supported == AUDIO_CHANNEL_IN_MONO && (channelMask == AUDIO_CHANNEL_IN_FRONT_BACK
6285 || channelMask == AUDIO_CHANNEL_IN_STEREO))) {
6286 return NO_ERROR;
6287 }
6288 }
6289 }
6290 return BAD_VALUE;
6291}
6292
Eric Laurenta121f902014-06-03 13:32:54 -07006293status_t AudioPolicyManager::AudioPort::checkFormat(audio_format_t format) const
6294{
6295 for (size_t i = 0; i < mFormats.size(); i ++) {
6296 if (mFormats[i] == format) {
6297 return NO_ERROR;
6298 }
6299 }
6300 return BAD_VALUE;
6301}
6302
Eric Laurent1e693b52014-07-09 15:03:28 -07006303
6304uint32_t AudioPolicyManager::AudioPort::pickSamplingRate() const
6305{
6306 // special case for uninitialized dynamic profile
6307 if (mSamplingRates.size() == 1 && mSamplingRates[0] == 0) {
6308 return 0;
6309 }
6310
Eric Laurent828bcff2014-09-07 12:26:06 -07006311 // For direct outputs, pick minimum sampling rate: this helps ensuring that the
6312 // channel count / sampling rate combination chosen will be supported by the connected
6313 // sink
6314 if ((mType == AUDIO_PORT_TYPE_MIX) && (mRole == AUDIO_PORT_ROLE_SOURCE) &&
6315 (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD))) {
6316 uint32_t samplingRate = UINT_MAX;
6317 for (size_t i = 0; i < mSamplingRates.size(); i ++) {
6318 if ((mSamplingRates[i] < samplingRate) && (mSamplingRates[i] > 0)) {
6319 samplingRate = mSamplingRates[i];
6320 }
6321 }
6322 return (samplingRate == UINT_MAX) ? 0 : samplingRate;
6323 }
6324
Eric Laurent1e693b52014-07-09 15:03:28 -07006325 uint32_t samplingRate = 0;
6326 uint32_t maxRate = MAX_MIXER_SAMPLING_RATE;
6327
6328 // For mixed output and inputs, use max mixer sampling rates. Do not
6329 // limit sampling rate otherwise
Eric Laurent828bcff2014-09-07 12:26:06 -07006330 if (mType != AUDIO_PORT_TYPE_MIX) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006331 maxRate = UINT_MAX;
6332 }
6333 for (size_t i = 0; i < mSamplingRates.size(); i ++) {
6334 if ((mSamplingRates[i] > samplingRate) && (mSamplingRates[i] <= maxRate)) {
6335 samplingRate = mSamplingRates[i];
6336 }
6337 }
6338 return samplingRate;
6339}
6340
6341audio_channel_mask_t AudioPolicyManager::AudioPort::pickChannelMask() const
6342{
6343 // special case for uninitialized dynamic profile
6344 if (mChannelMasks.size() == 1 && mChannelMasks[0] == 0) {
6345 return AUDIO_CHANNEL_NONE;
6346 }
Eric Laurent1e693b52014-07-09 15:03:28 -07006347 audio_channel_mask_t channelMask = AUDIO_CHANNEL_NONE;
Eric Laurent828bcff2014-09-07 12:26:06 -07006348
6349 // For direct outputs, pick minimum channel count: this helps ensuring that the
6350 // channel count / sampling rate combination chosen will be supported by the connected
6351 // sink
6352 if ((mType == AUDIO_PORT_TYPE_MIX) && (mRole == AUDIO_PORT_ROLE_SOURCE) &&
6353 (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD))) {
6354 uint32_t channelCount = UINT_MAX;
6355 for (size_t i = 0; i < mChannelMasks.size(); i ++) {
6356 uint32_t cnlCount;
6357 if (mUseInChannelMask) {
6358 cnlCount = audio_channel_count_from_in_mask(mChannelMasks[i]);
6359 } else {
6360 cnlCount = audio_channel_count_from_out_mask(mChannelMasks[i]);
6361 }
6362 if ((cnlCount < channelCount) && (cnlCount > 0)) {
6363 channelMask = mChannelMasks[i];
6364 channelCount = cnlCount;
6365 }
6366 }
6367 return channelMask;
6368 }
6369
Eric Laurent1e693b52014-07-09 15:03:28 -07006370 uint32_t channelCount = 0;
6371 uint32_t maxCount = MAX_MIXER_CHANNEL_COUNT;
6372
6373 // For mixed output and inputs, use max mixer channel count. Do not
6374 // limit channel count otherwise
Eric Laurent828bcff2014-09-07 12:26:06 -07006375 if (mType != AUDIO_PORT_TYPE_MIX) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006376 maxCount = UINT_MAX;
6377 }
6378 for (size_t i = 0; i < mChannelMasks.size(); i ++) {
6379 uint32_t cnlCount;
6380 if (mUseInChannelMask) {
6381 cnlCount = audio_channel_count_from_in_mask(mChannelMasks[i]);
6382 } else {
6383 cnlCount = audio_channel_count_from_out_mask(mChannelMasks[i]);
6384 }
6385 if ((cnlCount > channelCount) && (cnlCount <= maxCount)) {
6386 channelMask = mChannelMasks[i];
Eric Laurent828bcff2014-09-07 12:26:06 -07006387 channelCount = cnlCount;
Eric Laurent1e693b52014-07-09 15:03:28 -07006388 }
6389 }
6390 return channelMask;
6391}
6392
Andy Hung9a605382014-07-28 16:16:31 -07006393/* format in order of increasing preference */
Eric Laurent1e693b52014-07-09 15:03:28 -07006394const audio_format_t AudioPolicyManager::AudioPort::sPcmFormatCompareTable[] = {
6395 AUDIO_FORMAT_DEFAULT,
6396 AUDIO_FORMAT_PCM_16_BIT,
Eric Laurenta2049942014-07-21 17:49:25 -07006397 AUDIO_FORMAT_PCM_8_24_BIT,
Eric Laurent1e693b52014-07-09 15:03:28 -07006398 AUDIO_FORMAT_PCM_24_BIT_PACKED,
Eric Laurenta2049942014-07-21 17:49:25 -07006399 AUDIO_FORMAT_PCM_32_BIT,
Andy Hung9a605382014-07-28 16:16:31 -07006400 AUDIO_FORMAT_PCM_FLOAT,
Eric Laurent1e693b52014-07-09 15:03:28 -07006401};
6402
6403int AudioPolicyManager::AudioPort::compareFormats(audio_format_t format1,
6404 audio_format_t format2)
6405{
6406 // NOTE: AUDIO_FORMAT_INVALID is also considered not PCM and will be compared equal to any
6407 // compressed format and better than any PCM format. This is by design of pickFormat()
6408 if (!audio_is_linear_pcm(format1)) {
6409 if (!audio_is_linear_pcm(format2)) {
6410 return 0;
6411 }
6412 return 1;
6413 }
6414 if (!audio_is_linear_pcm(format2)) {
6415 return -1;
6416 }
6417
6418 int index1 = -1, index2 = -1;
6419 for (size_t i = 0;
6420 (i < ARRAY_SIZE(sPcmFormatCompareTable)) && ((index1 == -1) || (index2 == -1));
6421 i ++) {
6422 if (sPcmFormatCompareTable[i] == format1) {
6423 index1 = i;
6424 }
6425 if (sPcmFormatCompareTable[i] == format2) {
6426 index2 = i;
6427 }
6428 }
6429 // format1 not found => index1 < 0 => format2 > format1
6430 // format2 not found => index2 < 0 => format2 < format1
6431 return index1 - index2;
6432}
6433
6434audio_format_t AudioPolicyManager::AudioPort::pickFormat() const
6435{
6436 // special case for uninitialized dynamic profile
6437 if (mFormats.size() == 1 && mFormats[0] == 0) {
6438 return AUDIO_FORMAT_DEFAULT;
6439 }
6440
6441 audio_format_t format = AUDIO_FORMAT_DEFAULT;
Andy Hung9a605382014-07-28 16:16:31 -07006442 audio_format_t bestFormat =
6443 AudioPolicyManager::AudioPort::sPcmFormatCompareTable[
6444 ARRAY_SIZE(AudioPolicyManager::AudioPort::sPcmFormatCompareTable) - 1];
Eric Laurent1e693b52014-07-09 15:03:28 -07006445 // For mixed output and inputs, use best mixer output format. Do not
6446 // limit format otherwise
6447 if ((mType != AUDIO_PORT_TYPE_MIX) ||
6448 ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
Eric Laurentd8622372014-07-27 13:47:31 -07006449 (((mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)) != 0)))) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006450 bestFormat = AUDIO_FORMAT_INVALID;
6451 }
6452
6453 for (size_t i = 0; i < mFormats.size(); i ++) {
6454 if ((compareFormats(mFormats[i], format) > 0) &&
6455 (compareFormats(mFormats[i], bestFormat) <= 0)) {
6456 format = mFormats[i];
6457 }
6458 }
6459 return format;
6460}
6461
Eric Laurenta121f902014-06-03 13:32:54 -07006462status_t AudioPolicyManager::AudioPort::checkGain(const struct audio_gain_config *gainConfig,
6463 int index) const
6464{
6465 if (index < 0 || (size_t)index >= mGains.size()) {
6466 return BAD_VALUE;
6467 }
6468 return mGains[index]->checkConfig(gainConfig);
6469}
6470
Eric Laurent1afeecb2014-05-14 08:52:28 -07006471void AudioPolicyManager::AudioPort::dump(int fd, int spaces) const
6472{
6473 const size_t SIZE = 256;
6474 char buffer[SIZE];
6475 String8 result;
6476
6477 if (mName.size() != 0) {
6478 snprintf(buffer, SIZE, "%*s- name: %s\n", spaces, "", mName.string());
6479 result.append(buffer);
6480 }
6481
6482 if (mSamplingRates.size() != 0) {
6483 snprintf(buffer, SIZE, "%*s- sampling rates: ", spaces, "");
6484 result.append(buffer);
6485 for (size_t i = 0; i < mSamplingRates.size(); i++) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006486 if (i == 0 && mSamplingRates[i] == 0) {
6487 snprintf(buffer, SIZE, "Dynamic");
6488 } else {
6489 snprintf(buffer, SIZE, "%d", mSamplingRates[i]);
6490 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006491 result.append(buffer);
6492 result.append(i == (mSamplingRates.size() - 1) ? "" : ", ");
6493 }
6494 result.append("\n");
6495 }
6496
6497 if (mChannelMasks.size() != 0) {
6498 snprintf(buffer, SIZE, "%*s- channel masks: ", spaces, "");
6499 result.append(buffer);
6500 for (size_t i = 0; i < mChannelMasks.size(); i++) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006501 ALOGV("AudioPort::dump mChannelMasks %zu %08x", i, mChannelMasks[i]);
6502
6503 if (i == 0 && mChannelMasks[i] == 0) {
6504 snprintf(buffer, SIZE, "Dynamic");
6505 } else {
6506 snprintf(buffer, SIZE, "0x%04x", mChannelMasks[i]);
6507 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006508 result.append(buffer);
6509 result.append(i == (mChannelMasks.size() - 1) ? "" : ", ");
6510 }
6511 result.append("\n");
6512 }
6513
6514 if (mFormats.size() != 0) {
6515 snprintf(buffer, SIZE, "%*s- formats: ", spaces, "");
6516 result.append(buffer);
6517 for (size_t i = 0; i < mFormats.size(); i++) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006518 const char *formatStr = enumToString(sFormatNameToEnumTable,
6519 ARRAY_SIZE(sFormatNameToEnumTable),
6520 mFormats[i]);
6521 if (i == 0 && strcmp(formatStr, "") == 0) {
6522 snprintf(buffer, SIZE, "Dynamic");
6523 } else {
Eric Laurentcf2c0212014-07-25 16:20:43 -07006524 snprintf(buffer, SIZE, "%s", formatStr);
Eric Laurent1e693b52014-07-09 15:03:28 -07006525 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006526 result.append(buffer);
6527 result.append(i == (mFormats.size() - 1) ? "" : ", ");
6528 }
6529 result.append("\n");
6530 }
6531 write(fd, result.string(), result.size());
6532 if (mGains.size() != 0) {
6533 snprintf(buffer, SIZE, "%*s- gains:\n", spaces, "");
6534 write(fd, buffer, strlen(buffer) + 1);
6535 result.append(buffer);
6536 for (size_t i = 0; i < mGains.size(); i++) {
6537 mGains[i]->dump(fd, spaces + 2, i);
6538 }
6539 }
6540}
6541
6542// --- AudioGain class implementation
6543
Eric Laurenta121f902014-06-03 13:32:54 -07006544AudioPolicyManager::AudioGain::AudioGain(int index, bool useInChannelMask)
Eric Laurent1afeecb2014-05-14 08:52:28 -07006545{
Eric Laurenta121f902014-06-03 13:32:54 -07006546 mIndex = index;
6547 mUseInChannelMask = useInChannelMask;
Eric Laurent1afeecb2014-05-14 08:52:28 -07006548 memset(&mGain, 0, sizeof(struct audio_gain));
6549}
6550
Eric Laurenta121f902014-06-03 13:32:54 -07006551void AudioPolicyManager::AudioGain::getDefaultConfig(struct audio_gain_config *config)
6552{
6553 config->index = mIndex;
6554 config->mode = mGain.mode;
6555 config->channel_mask = mGain.channel_mask;
6556 if ((mGain.mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) {
6557 config->values[0] = mGain.default_value;
6558 } else {
6559 uint32_t numValues;
6560 if (mUseInChannelMask) {
6561 numValues = audio_channel_count_from_in_mask(mGain.channel_mask);
6562 } else {
6563 numValues = audio_channel_count_from_out_mask(mGain.channel_mask);
6564 }
6565 for (size_t i = 0; i < numValues; i++) {
6566 config->values[i] = mGain.default_value;
6567 }
6568 }
6569 if ((mGain.mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) {
6570 config->ramp_duration_ms = mGain.min_ramp_ms;
6571 }
6572}
6573
6574status_t AudioPolicyManager::AudioGain::checkConfig(const struct audio_gain_config *config)
6575{
6576 if ((config->mode & ~mGain.mode) != 0) {
6577 return BAD_VALUE;
6578 }
6579 if ((config->mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) {
6580 if ((config->values[0] < mGain.min_value) ||
6581 (config->values[0] > mGain.max_value)) {
6582 return BAD_VALUE;
6583 }
6584 } else {
6585 if ((config->channel_mask & ~mGain.channel_mask) != 0) {
6586 return BAD_VALUE;
6587 }
6588 uint32_t numValues;
6589 if (mUseInChannelMask) {
6590 numValues = audio_channel_count_from_in_mask(config->channel_mask);
6591 } else {
6592 numValues = audio_channel_count_from_out_mask(config->channel_mask);
6593 }
6594 for (size_t i = 0; i < numValues; i++) {
6595 if ((config->values[i] < mGain.min_value) ||
6596 (config->values[i] > mGain.max_value)) {
6597 return BAD_VALUE;
6598 }
6599 }
6600 }
6601 if ((config->mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) {
6602 if ((config->ramp_duration_ms < mGain.min_ramp_ms) ||
6603 (config->ramp_duration_ms > mGain.max_ramp_ms)) {
6604 return BAD_VALUE;
6605 }
6606 }
6607 return NO_ERROR;
6608}
6609
Eric Laurent1afeecb2014-05-14 08:52:28 -07006610void AudioPolicyManager::AudioGain::dump(int fd, int spaces, int index) const
6611{
6612 const size_t SIZE = 256;
6613 char buffer[SIZE];
6614 String8 result;
6615
6616 snprintf(buffer, SIZE, "%*sGain %d:\n", spaces, "", index+1);
6617 result.append(buffer);
6618 snprintf(buffer, SIZE, "%*s- mode: %08x\n", spaces, "", mGain.mode);
6619 result.append(buffer);
6620 snprintf(buffer, SIZE, "%*s- channel_mask: %08x\n", spaces, "", mGain.channel_mask);
6621 result.append(buffer);
6622 snprintf(buffer, SIZE, "%*s- min_value: %d mB\n", spaces, "", mGain.min_value);
6623 result.append(buffer);
6624 snprintf(buffer, SIZE, "%*s- max_value: %d mB\n", spaces, "", mGain.max_value);
6625 result.append(buffer);
6626 snprintf(buffer, SIZE, "%*s- default_value: %d mB\n", spaces, "", mGain.default_value);
6627 result.append(buffer);
6628 snprintf(buffer, SIZE, "%*s- step_value: %d mB\n", spaces, "", mGain.step_value);
6629 result.append(buffer);
6630 snprintf(buffer, SIZE, "%*s- min_ramp_ms: %d ms\n", spaces, "", mGain.min_ramp_ms);
6631 result.append(buffer);
6632 snprintf(buffer, SIZE, "%*s- max_ramp_ms: %d ms\n", spaces, "", mGain.max_ramp_ms);
6633 result.append(buffer);
6634
6635 write(fd, result.string(), result.size());
6636}
6637
Eric Laurent1f2f2232014-06-02 12:01:23 -07006638// --- AudioPortConfig class implementation
6639
6640AudioPolicyManager::AudioPortConfig::AudioPortConfig()
6641{
6642 mSamplingRate = 0;
6643 mChannelMask = AUDIO_CHANNEL_NONE;
6644 mFormat = AUDIO_FORMAT_INVALID;
6645 mGain.index = -1;
6646}
6647
Eric Laurenta121f902014-06-03 13:32:54 -07006648status_t AudioPolicyManager::AudioPortConfig::applyAudioPortConfig(
6649 const struct audio_port_config *config,
6650 struct audio_port_config *backupConfig)
6651{
6652 struct audio_port_config localBackupConfig;
6653 status_t status = NO_ERROR;
6654
6655 localBackupConfig.config_mask = config->config_mask;
6656 toAudioPortConfig(&localBackupConfig);
6657
Marco Nelissen961ec212014-08-25 15:58:39 -07006658 sp<AudioPort> audioport = getAudioPort();
6659 if (audioport == 0) {
Eric Laurenta121f902014-06-03 13:32:54 -07006660 status = NO_INIT;
6661 goto exit;
6662 }
6663 if (config->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
Marco Nelissen961ec212014-08-25 15:58:39 -07006664 status = audioport->checkExactSamplingRate(config->sample_rate);
Eric Laurenta121f902014-06-03 13:32:54 -07006665 if (status != NO_ERROR) {
6666 goto exit;
6667 }
6668 mSamplingRate = config->sample_rate;
6669 }
6670 if (config->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
Marco Nelissen961ec212014-08-25 15:58:39 -07006671 status = audioport->checkExactChannelMask(config->channel_mask);
Eric Laurenta121f902014-06-03 13:32:54 -07006672 if (status != NO_ERROR) {
6673 goto exit;
6674 }
6675 mChannelMask = config->channel_mask;
6676 }
6677 if (config->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
Marco Nelissen961ec212014-08-25 15:58:39 -07006678 status = audioport->checkFormat(config->format);
Eric Laurenta121f902014-06-03 13:32:54 -07006679 if (status != NO_ERROR) {
6680 goto exit;
6681 }
6682 mFormat = config->format;
6683 }
6684 if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
Marco Nelissen961ec212014-08-25 15:58:39 -07006685 status = audioport->checkGain(&config->gain, config->gain.index);
Eric Laurenta121f902014-06-03 13:32:54 -07006686 if (status != NO_ERROR) {
6687 goto exit;
6688 }
6689 mGain = config->gain;
6690 }
6691
6692exit:
6693 if (status != NO_ERROR) {
6694 applyAudioPortConfig(&localBackupConfig);
6695 }
6696 if (backupConfig != NULL) {
6697 *backupConfig = localBackupConfig;
6698 }
6699 return status;
6700}
6701
Eric Laurent1f2f2232014-06-02 12:01:23 -07006702void AudioPolicyManager::AudioPortConfig::toAudioPortConfig(
6703 struct audio_port_config *dstConfig,
6704 const struct audio_port_config *srcConfig) const
6705{
6706 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
6707 dstConfig->sample_rate = mSamplingRate;
6708 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE)) {
6709 dstConfig->sample_rate = srcConfig->sample_rate;
6710 }
6711 } else {
6712 dstConfig->sample_rate = 0;
6713 }
6714 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
6715 dstConfig->channel_mask = mChannelMask;
6716 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK)) {
6717 dstConfig->channel_mask = srcConfig->channel_mask;
6718 }
6719 } else {
6720 dstConfig->channel_mask = AUDIO_CHANNEL_NONE;
6721 }
6722 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
6723 dstConfig->format = mFormat;
6724 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_FORMAT)) {
6725 dstConfig->format = srcConfig->format;
6726 }
6727 } else {
6728 dstConfig->format = AUDIO_FORMAT_INVALID;
6729 }
6730 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_GAIN) {
6731 dstConfig->gain = mGain;
6732 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_GAIN)) {
6733 dstConfig->gain = srcConfig->gain;
6734 }
6735 } else {
6736 dstConfig->gain.index = -1;
6737 }
6738 if (dstConfig->gain.index != -1) {
6739 dstConfig->config_mask |= AUDIO_PORT_CONFIG_GAIN;
6740 } else {
6741 dstConfig->config_mask &= ~AUDIO_PORT_CONFIG_GAIN;
6742 }
6743}
6744
Eric Laurent1c333e22014-05-20 10:48:17 -07006745// --- IOProfile class implementation
6746
Eric Laurent1afeecb2014-05-14 08:52:28 -07006747AudioPolicyManager::IOProfile::IOProfile(const String8& name, audio_port_role_t role,
Eric Laurent1f2f2232014-06-02 12:01:23 -07006748 const sp<HwModule>& module)
Eric Laurent1e693b52014-07-09 15:03:28 -07006749 : AudioPort(name, AUDIO_PORT_TYPE_MIX, role, module)
Eric Laurente552edb2014-03-10 17:42:56 -07006750{
6751}
6752
Eric Laurente0720872014-03-11 09:30:41 -07006753AudioPolicyManager::IOProfile::~IOProfile()
Eric Laurente552edb2014-03-10 17:42:56 -07006754{
6755}
6756
6757// checks if the IO profile is compatible with specified parameters.
6758// Sampling rate, format and channel mask must be specified in order to
6759// get a valid a match
Eric Laurente0720872014-03-11 09:30:41 -07006760bool AudioPolicyManager::IOProfile::isCompatibleProfile(audio_devices_t device,
Eric Laurente552edb2014-03-10 17:42:56 -07006761 uint32_t samplingRate,
Glenn Kastencbd48022014-07-24 13:46:44 -07006762 uint32_t *updatedSamplingRate,
Eric Laurente552edb2014-03-10 17:42:56 -07006763 audio_format_t format,
6764 audio_channel_mask_t channelMask,
Eric Laurent5dbe4712014-09-19 19:04:57 -07006765 uint32_t flags) const
Eric Laurente552edb2014-03-10 17:42:56 -07006766{
Glenn Kastencbd48022014-07-24 13:46:44 -07006767 const bool isPlaybackThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SOURCE;
6768 const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
6769 ALOG_ASSERT(isPlaybackThread != isRecordThread);
Eric Laurente552edb2014-03-10 17:42:56 -07006770
Glenn Kastencbd48022014-07-24 13:46:44 -07006771 if ((mSupportedDevices.types() & device) != device) {
6772 return false;
6773 }
6774
6775 if (samplingRate == 0) {
Eric Laurente552edb2014-03-10 17:42:56 -07006776 return false;
Glenn Kastencbd48022014-07-24 13:46:44 -07006777 }
6778 uint32_t myUpdatedSamplingRate = samplingRate;
6779 if (isPlaybackThread && checkExactSamplingRate(samplingRate) != NO_ERROR) {
Eric Laurente552edb2014-03-10 17:42:56 -07006780 return false;
Glenn Kastencbd48022014-07-24 13:46:44 -07006781 }
6782 if (isRecordThread && checkCompatibleSamplingRate(samplingRate, &myUpdatedSamplingRate) !=
6783 NO_ERROR) {
Eric Laurente552edb2014-03-10 17:42:56 -07006784 return false;
Glenn Kastencbd48022014-07-24 13:46:44 -07006785 }
6786
6787 if (!audio_is_valid_format(format) || checkFormat(format) != NO_ERROR) {
6788 return false;
6789 }
6790
6791 if (isPlaybackThread && (!audio_is_output_channel(channelMask) ||
6792 checkExactChannelMask(channelMask) != NO_ERROR)) {
6793 return false;
6794 }
6795 if (isRecordThread && (!audio_is_input_channel(channelMask) ||
6796 checkCompatibleChannelMask(channelMask) != NO_ERROR)) {
6797 return false;
6798 }
6799
6800 if (isPlaybackThread && (mFlags & flags) != flags) {
6801 return false;
6802 }
6803 // The only input flag that is allowed to be different is the fast flag.
6804 // An existing fast stream is compatible with a normal track request.
6805 // An existing normal stream is compatible with a fast track request,
6806 // but the fast request will be denied by AudioFlinger and converted to normal track.
Eric Laurent5dbe4712014-09-19 19:04:57 -07006807 if (isRecordThread && ((mFlags ^ flags) &
Glenn Kastencbd48022014-07-24 13:46:44 -07006808 ~AUDIO_INPUT_FLAG_FAST)) {
6809 return false;
6810 }
6811
6812 if (updatedSamplingRate != NULL) {
6813 *updatedSamplingRate = myUpdatedSamplingRate;
6814 }
6815 return true;
Eric Laurente552edb2014-03-10 17:42:56 -07006816}
6817
Eric Laurente0720872014-03-11 09:30:41 -07006818void AudioPolicyManager::IOProfile::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07006819{
6820 const size_t SIZE = 256;
6821 char buffer[SIZE];
6822 String8 result;
6823
Eric Laurent1afeecb2014-05-14 08:52:28 -07006824 AudioPort::dump(fd, 4);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006825
Eric Laurente552edb2014-03-10 17:42:56 -07006826 snprintf(buffer, SIZE, " - flags: 0x%04x\n", mFlags);
6827 result.append(buffer);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006828 snprintf(buffer, SIZE, " - devices:\n");
6829 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07006830 write(fd, result.string(), result.size());
Eric Laurent1afeecb2014-05-14 08:52:28 -07006831 for (size_t i = 0; i < mSupportedDevices.size(); i++) {
6832 mSupportedDevices[i]->dump(fd, 6, i);
6833 }
Eric Laurente552edb2014-03-10 17:42:56 -07006834}
6835
Eric Laurentd4692962014-05-05 18:13:44 -07006836void AudioPolicyManager::IOProfile::log()
6837{
6838 const size_t SIZE = 256;
6839 char buffer[SIZE];
6840 String8 result;
6841
6842 ALOGV(" - sampling rates: ");
6843 for (size_t i = 0; i < mSamplingRates.size(); i++) {
6844 ALOGV(" %d", mSamplingRates[i]);
6845 }
6846
6847 ALOGV(" - channel masks: ");
6848 for (size_t i = 0; i < mChannelMasks.size(); i++) {
6849 ALOGV(" 0x%04x", mChannelMasks[i]);
6850 }
6851
6852 ALOGV(" - formats: ");
6853 for (size_t i = 0; i < mFormats.size(); i++) {
6854 ALOGV(" 0x%08x", mFormats[i]);
6855 }
6856
6857 ALOGV(" - devices: 0x%04x\n", mSupportedDevices.types());
6858 ALOGV(" - flags: 0x%04x\n", mFlags);
6859}
6860
6861
Eric Laurent3a4311c2014-03-17 12:00:47 -07006862// --- DeviceDescriptor implementation
Eric Laurente552edb2014-03-10 17:42:56 -07006863
Eric Laurent1f2f2232014-06-02 12:01:23 -07006864
6865AudioPolicyManager::DeviceDescriptor::DeviceDescriptor(const String8& name, audio_devices_t type) :
6866 AudioPort(name, AUDIO_PORT_TYPE_DEVICE,
6867 audio_is_output_device(type) ? AUDIO_PORT_ROLE_SINK :
6868 AUDIO_PORT_ROLE_SOURCE,
6869 NULL),
Eric Laurent1e693b52014-07-09 15:03:28 -07006870 mDeviceType(type), mAddress(""), mId(0)
Eric Laurent1f2f2232014-06-02 12:01:23 -07006871{
Eric Laurenta121f902014-06-03 13:32:54 -07006872 if (mGains.size() > 0) {
6873 mGains[0]->getDefaultConfig(&mGain);
6874 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07006875}
6876
Eric Laurent3a4311c2014-03-17 12:00:47 -07006877bool AudioPolicyManager::DeviceDescriptor::equals(const sp<DeviceDescriptor>& other) const
Eric Laurente552edb2014-03-10 17:42:56 -07006878{
Eric Laurent3a4311c2014-03-17 12:00:47 -07006879 // Devices are considered equal if they:
6880 // - are of the same type (a device type cannot be AUDIO_DEVICE_NONE)
6881 // - have the same address or one device does not specify the address
6882 // - have the same channel mask or one device does not specify the channel mask
Eric Laurent1c333e22014-05-20 10:48:17 -07006883 return (mDeviceType == other->mDeviceType) &&
Eric Laurent3a4311c2014-03-17 12:00:47 -07006884 (mAddress == "" || other->mAddress == "" || mAddress == other->mAddress) &&
Eric Laurent2f8a36f2014-03-26 19:05:55 -07006885 (mChannelMask == 0 || other->mChannelMask == 0 ||
Eric Laurent3a4311c2014-03-17 12:00:47 -07006886 mChannelMask == other->mChannelMask);
6887}
6888
6889void AudioPolicyManager::DeviceVector::refreshTypes()
6890{
Eric Laurent1c333e22014-05-20 10:48:17 -07006891 mDeviceTypes = AUDIO_DEVICE_NONE;
Eric Laurent3a4311c2014-03-17 12:00:47 -07006892 for(size_t i = 0; i < size(); i++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07006893 mDeviceTypes |= itemAt(i)->mDeviceType;
Eric Laurent3a4311c2014-03-17 12:00:47 -07006894 }
Eric Laurent1c333e22014-05-20 10:48:17 -07006895 ALOGV("DeviceVector::refreshTypes() mDeviceTypes %08x", mDeviceTypes);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006896}
6897
6898ssize_t AudioPolicyManager::DeviceVector::indexOf(const sp<DeviceDescriptor>& item) const
6899{
6900 for(size_t i = 0; i < size(); i++) {
6901 if (item->equals(itemAt(i))) {
6902 return i;
Eric Laurente552edb2014-03-10 17:42:56 -07006903 }
6904 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07006905 return -1;
Eric Laurente552edb2014-03-10 17:42:56 -07006906}
6907
Eric Laurent3a4311c2014-03-17 12:00:47 -07006908ssize_t AudioPolicyManager::DeviceVector::add(const sp<DeviceDescriptor>& item)
Eric Laurente552edb2014-03-10 17:42:56 -07006909{
Eric Laurent3a4311c2014-03-17 12:00:47 -07006910 ssize_t ret = indexOf(item);
6911
6912 if (ret < 0) {
6913 ret = SortedVector::add(item);
6914 if (ret >= 0) {
6915 refreshTypes();
6916 }
6917 } else {
Eric Laurent1c333e22014-05-20 10:48:17 -07006918 ALOGW("DeviceVector::add device %08x already in", item->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006919 ret = -1;
6920 }
6921 return ret;
Eric Laurente552edb2014-03-10 17:42:56 -07006922}
6923
Eric Laurent3a4311c2014-03-17 12:00:47 -07006924ssize_t AudioPolicyManager::DeviceVector::remove(const sp<DeviceDescriptor>& item)
6925{
6926 size_t i;
6927 ssize_t ret = indexOf(item);
6928
6929 if (ret < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07006930 ALOGW("DeviceVector::remove device %08x not in", item->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006931 } else {
6932 ret = SortedVector::removeAt(ret);
6933 if (ret >= 0) {
6934 refreshTypes();
6935 }
6936 }
6937 return ret;
6938}
6939
6940void AudioPolicyManager::DeviceVector::loadDevicesFromType(audio_devices_t types)
6941{
6942 DeviceVector deviceList;
6943
6944 uint32_t role_bit = AUDIO_DEVICE_BIT_IN & types;
6945 types &= ~role_bit;
6946
6947 while (types) {
6948 uint32_t i = 31 - __builtin_clz(types);
6949 uint32_t type = 1 << i;
6950 types &= ~type;
Eric Laurent1afeecb2014-05-14 08:52:28 -07006951 add(new DeviceDescriptor(String8(""), type | role_bit));
Eric Laurent3a4311c2014-03-17 12:00:47 -07006952 }
6953}
6954
Eric Laurent1afeecb2014-05-14 08:52:28 -07006955void AudioPolicyManager::DeviceVector::loadDevicesFromName(char *name,
6956 const DeviceVector& declaredDevices)
6957{
6958 char *devName = strtok(name, "|");
6959 while (devName != NULL) {
6960 if (strlen(devName) != 0) {
6961 audio_devices_t type = stringToEnum(sDeviceNameToEnumTable,
6962 ARRAY_SIZE(sDeviceNameToEnumTable),
6963 devName);
6964 if (type != AUDIO_DEVICE_NONE) {
Jean-Michel Trivifd4c1482014-08-06 16:02:28 -07006965 sp<DeviceDescriptor> dev = new DeviceDescriptor(String8(""), type);
6966 if (type == AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
6967 dev->mAddress = String8("0");
6968 }
6969 add(dev);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006970 } else {
6971 sp<DeviceDescriptor> deviceDesc =
6972 declaredDevices.getDeviceFromName(String8(devName));
6973 if (deviceDesc != 0) {
6974 add(deviceDesc);
6975 }
6976 }
6977 }
6978 devName = strtok(NULL, "|");
6979 }
6980}
6981
Eric Laurent1c333e22014-05-20 10:48:17 -07006982sp<AudioPolicyManager::DeviceDescriptor> AudioPolicyManager::DeviceVector::getDevice(
6983 audio_devices_t type, String8 address) const
6984{
6985 sp<DeviceDescriptor> device;
6986 for (size_t i = 0; i < size(); i++) {
6987 if (itemAt(i)->mDeviceType == type) {
6988 device = itemAt(i);
6989 if (itemAt(i)->mAddress = address) {
6990 break;
6991 }
6992 }
6993 }
6994 ALOGV("DeviceVector::getDevice() for type %d address %s found %p",
6995 type, address.string(), device.get());
6996 return device;
6997}
6998
Eric Laurent6a94d692014-05-20 11:18:06 -07006999sp<AudioPolicyManager::DeviceDescriptor> AudioPolicyManager::DeviceVector::getDeviceFromId(
7000 audio_port_handle_t id) const
7001{
7002 sp<DeviceDescriptor> device;
7003 for (size_t i = 0; i < size(); i++) {
Mark Salyzynbeb9e302014-06-18 16:33:15 -07007004 ALOGV("DeviceVector::getDeviceFromId(%d) itemAt(%zu)->mId %d", id, i, itemAt(i)->mId);
Eric Laurent6a94d692014-05-20 11:18:06 -07007005 if (itemAt(i)->mId == id) {
7006 device = itemAt(i);
7007 break;
7008 }
7009 }
7010 return device;
7011}
7012
Eric Laurent1c333e22014-05-20 10:48:17 -07007013AudioPolicyManager::DeviceVector AudioPolicyManager::DeviceVector::getDevicesFromType(
7014 audio_devices_t type) const
7015{
7016 DeviceVector devices;
7017 for (size_t i = 0; (i < size()) && (type != AUDIO_DEVICE_NONE); i++) {
7018 if (itemAt(i)->mDeviceType & type & ~AUDIO_DEVICE_BIT_IN) {
7019 devices.add(itemAt(i));
7020 type &= ~itemAt(i)->mDeviceType;
7021 ALOGV("DeviceVector::getDevicesFromType() for type %x found %p",
7022 itemAt(i)->mDeviceType, itemAt(i).get());
7023 }
7024 }
7025 return devices;
7026}
7027
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07007028AudioPolicyManager::DeviceVector AudioPolicyManager::DeviceVector::getDevicesFromTypeAddr(
7029 audio_devices_t type, String8 address) const
7030{
7031 DeviceVector devices;
7032 //ALOGV(" looking for device=%x, addr=%s", type, address.string());
7033 for (size_t i = 0; i < size(); i++) {
7034 //ALOGV(" at i=%d: device=%x, addr=%s",
7035 // i, itemAt(i)->mDeviceType, itemAt(i)->mAddress.string());
7036 if (itemAt(i)->mDeviceType == type) {
7037 if (itemAt(i)->mAddress == address) {
7038 //ALOGV(" found matching address %s", address.string());
7039 devices.add(itemAt(i));
7040 }
7041 }
7042 }
7043 return devices;
7044}
7045
Eric Laurent1afeecb2014-05-14 08:52:28 -07007046sp<AudioPolicyManager::DeviceDescriptor> AudioPolicyManager::DeviceVector::getDeviceFromName(
7047 const String8& name) const
7048{
7049 sp<DeviceDescriptor> device;
7050 for (size_t i = 0; i < size(); i++) {
7051 if (itemAt(i)->mName == name) {
7052 device = itemAt(i);
7053 break;
7054 }
7055 }
7056 return device;
7057}
7058
Eric Laurent6a94d692014-05-20 11:18:06 -07007059void AudioPolicyManager::DeviceDescriptor::toAudioPortConfig(
7060 struct audio_port_config *dstConfig,
7061 const struct audio_port_config *srcConfig) const
Eric Laurent1c333e22014-05-20 10:48:17 -07007062{
Eric Laurent1f2f2232014-06-02 12:01:23 -07007063 dstConfig->config_mask = AUDIO_PORT_CONFIG_CHANNEL_MASK|AUDIO_PORT_CONFIG_GAIN;
7064 if (srcConfig != NULL) {
Eric Laurent84c70242014-06-23 08:46:27 -07007065 dstConfig->config_mask |= srcConfig->config_mask;
Eric Laurent1f2f2232014-06-02 12:01:23 -07007066 }
7067
7068 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
7069
Eric Laurent6a94d692014-05-20 11:18:06 -07007070 dstConfig->id = mId;
7071 dstConfig->role = audio_is_output_device(mDeviceType) ?
Eric Laurent1c333e22014-05-20 10:48:17 -07007072 AUDIO_PORT_ROLE_SINK : AUDIO_PORT_ROLE_SOURCE;
Eric Laurent6a94d692014-05-20 11:18:06 -07007073 dstConfig->type = AUDIO_PORT_TYPE_DEVICE;
Eric Laurent6a94d692014-05-20 11:18:06 -07007074 dstConfig->ext.device.type = mDeviceType;
7075 dstConfig->ext.device.hw_module = mModule->mHandle;
7076 strncpy(dstConfig->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN);
Eric Laurent1c333e22014-05-20 10:48:17 -07007077}
7078
7079void AudioPolicyManager::DeviceDescriptor::toAudioPort(struct audio_port *port) const
7080{
Eric Laurent83b88082014-06-20 18:31:16 -07007081 ALOGV("DeviceDescriptor::toAudioPort() handle %d type %x", mId, mDeviceType);
Eric Laurent1c333e22014-05-20 10:48:17 -07007082 AudioPort::toAudioPort(port);
7083 port->id = mId;
Eric Laurent6a94d692014-05-20 11:18:06 -07007084 toAudioPortConfig(&port->active_config);
Eric Laurent1c333e22014-05-20 10:48:17 -07007085 port->ext.device.type = mDeviceType;
Eric Laurent6a94d692014-05-20 11:18:06 -07007086 port->ext.device.hw_module = mModule->mHandle;
Eric Laurent1c333e22014-05-20 10:48:17 -07007087 strncpy(port->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN);
7088}
7089
Eric Laurent1afeecb2014-05-14 08:52:28 -07007090status_t AudioPolicyManager::DeviceDescriptor::dump(int fd, int spaces, int index) const
Eric Laurent3a4311c2014-03-17 12:00:47 -07007091{
7092 const size_t SIZE = 256;
7093 char buffer[SIZE];
Eric Laurent1afeecb2014-05-14 08:52:28 -07007094 String8 result;
Eric Laurent3a4311c2014-03-17 12:00:47 -07007095
Eric Laurent1afeecb2014-05-14 08:52:28 -07007096 snprintf(buffer, SIZE, "%*sDevice %d:\n", spaces, "", index+1);
7097 result.append(buffer);
7098 if (mId != 0) {
7099 snprintf(buffer, SIZE, "%*s- id: %2d\n", spaces, "", mId);
7100 result.append(buffer);
7101 }
7102 snprintf(buffer, SIZE, "%*s- type: %-48s\n", spaces, "",
7103 enumToString(sDeviceNameToEnumTable,
7104 ARRAY_SIZE(sDeviceNameToEnumTable),
7105 mDeviceType));
7106 result.append(buffer);
7107 if (mAddress.size() != 0) {
7108 snprintf(buffer, SIZE, "%*s- address: %-32s\n", spaces, "", mAddress.string());
7109 result.append(buffer);
7110 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07007111 write(fd, result.string(), result.size());
7112 AudioPort::dump(fd, spaces);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007113
7114 return NO_ERROR;
7115}
7116
Eric Laurent4d416952014-08-10 14:07:09 -07007117status_t AudioPolicyManager::AudioPatch::dump(int fd, int spaces, int index) const
7118{
7119 const size_t SIZE = 256;
7120 char buffer[SIZE];
7121 String8 result;
7122
7123
7124 snprintf(buffer, SIZE, "%*sAudio patch %d:\n", spaces, "", index+1);
7125 result.append(buffer);
7126 snprintf(buffer, SIZE, "%*s- handle: %2d\n", spaces, "", mHandle);
7127 result.append(buffer);
7128 snprintf(buffer, SIZE, "%*s- audio flinger handle: %2d\n", spaces, "", mAfPatchHandle);
7129 result.append(buffer);
7130 snprintf(buffer, SIZE, "%*s- owner uid: %2d\n", spaces, "", mUid);
7131 result.append(buffer);
7132 snprintf(buffer, SIZE, "%*s- %d sources:\n", spaces, "", mPatch.num_sources);
7133 result.append(buffer);
7134 for (size_t i = 0; i < mPatch.num_sources; i++) {
7135 if (mPatch.sources[i].type == AUDIO_PORT_TYPE_DEVICE) {
7136 snprintf(buffer, SIZE, "%*s- Device ID %d %s\n", spaces + 2, "",
7137 mPatch.sources[i].id, enumToString(sDeviceNameToEnumTable,
7138 ARRAY_SIZE(sDeviceNameToEnumTable),
7139 mPatch.sources[i].ext.device.type));
7140 } else {
7141 snprintf(buffer, SIZE, "%*s- Mix ID %d I/O handle %d\n", spaces + 2, "",
7142 mPatch.sources[i].id, mPatch.sources[i].ext.mix.handle);
7143 }
7144 result.append(buffer);
7145 }
7146 snprintf(buffer, SIZE, "%*s- %d sinks:\n", spaces, "", mPatch.num_sinks);
7147 result.append(buffer);
7148 for (size_t i = 0; i < mPatch.num_sinks; i++) {
7149 if (mPatch.sinks[i].type == AUDIO_PORT_TYPE_DEVICE) {
7150 snprintf(buffer, SIZE, "%*s- Device ID %d %s\n", spaces + 2, "",
7151 mPatch.sinks[i].id, enumToString(sDeviceNameToEnumTable,
7152 ARRAY_SIZE(sDeviceNameToEnumTable),
7153 mPatch.sinks[i].ext.device.type));
7154 } else {
7155 snprintf(buffer, SIZE, "%*s- Mix ID %d I/O handle %d\n", spaces + 2, "",
7156 mPatch.sinks[i].id, mPatch.sinks[i].ext.mix.handle);
7157 }
7158 result.append(buffer);
7159 }
7160
7161 write(fd, result.string(), result.size());
7162 return NO_ERROR;
7163}
Eric Laurent3a4311c2014-03-17 12:00:47 -07007164
7165// --- audio_policy.conf file parsing
7166
Eric Laurent5dbe4712014-09-19 19:04:57 -07007167uint32_t AudioPolicyManager::parseOutputFlagNames(char *name)
Eric Laurente552edb2014-03-10 17:42:56 -07007168{
7169 uint32_t flag = 0;
7170
7171 // it is OK to cast name to non const here as we are not going to use it after
7172 // strtok() modifies it
7173 char *flagName = strtok(name, "|");
7174 while (flagName != NULL) {
7175 if (strlen(flagName) != 0) {
Eric Laurent5dbe4712014-09-19 19:04:57 -07007176 flag |= stringToEnum(sOutputFlagNameToEnumTable,
7177 ARRAY_SIZE(sOutputFlagNameToEnumTable),
Eric Laurente552edb2014-03-10 17:42:56 -07007178 flagName);
7179 }
7180 flagName = strtok(NULL, "|");
7181 }
7182 //force direct flag if offload flag is set: offloading implies a direct output stream
7183 // and all common behaviors are driven by checking only the direct flag
7184 // this should normally be set appropriately in the policy configuration file
7185 if ((flag & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
7186 flag |= AUDIO_OUTPUT_FLAG_DIRECT;
7187 }
7188
Eric Laurent5dbe4712014-09-19 19:04:57 -07007189 return flag;
7190}
7191
7192uint32_t AudioPolicyManager::parseInputFlagNames(char *name)
7193{
7194 uint32_t flag = 0;
7195
7196 // it is OK to cast name to non const here as we are not going to use it after
7197 // strtok() modifies it
7198 char *flagName = strtok(name, "|");
7199 while (flagName != NULL) {
7200 if (strlen(flagName) != 0) {
7201 flag |= stringToEnum(sInputFlagNameToEnumTable,
7202 ARRAY_SIZE(sInputFlagNameToEnumTable),
7203 flagName);
7204 }
7205 flagName = strtok(NULL, "|");
7206 }
7207 return flag;
Eric Laurente552edb2014-03-10 17:42:56 -07007208}
7209
Eric Laurente0720872014-03-11 09:30:41 -07007210audio_devices_t AudioPolicyManager::parseDeviceNames(char *name)
Eric Laurente552edb2014-03-10 17:42:56 -07007211{
7212 uint32_t device = 0;
7213
7214 char *devName = strtok(name, "|");
7215 while (devName != NULL) {
7216 if (strlen(devName) != 0) {
7217 device |= stringToEnum(sDeviceNameToEnumTable,
7218 ARRAY_SIZE(sDeviceNameToEnumTable),
7219 devName);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007220 }
Eric Laurente552edb2014-03-10 17:42:56 -07007221 devName = strtok(NULL, "|");
Eric Laurent3a4311c2014-03-17 12:00:47 -07007222 }
Eric Laurente552edb2014-03-10 17:42:56 -07007223 return device;
7224}
7225
Eric Laurente0720872014-03-11 09:30:41 -07007226void AudioPolicyManager::loadHwModule(cnode *root)
Eric Laurente552edb2014-03-10 17:42:56 -07007227{
Eric Laurente552edb2014-03-10 17:42:56 -07007228 status_t status = NAME_NOT_FOUND;
Eric Laurent1afeecb2014-05-14 08:52:28 -07007229 cnode *node;
Eric Laurent1f2f2232014-06-02 12:01:23 -07007230 sp<HwModule> module = new HwModule(root->name);
Eric Laurente552edb2014-03-10 17:42:56 -07007231
Eric Laurent1afeecb2014-05-14 08:52:28 -07007232 node = config_find(root, DEVICES_TAG);
7233 if (node != NULL) {
7234 node = node->first_child;
7235 while (node) {
7236 ALOGV("loadHwModule() loading device %s", node->name);
7237 status_t tmpStatus = module->loadDevice(node);
7238 if (status == NAME_NOT_FOUND || status == NO_ERROR) {
7239 status = tmpStatus;
7240 }
7241 node = node->next;
7242 }
7243 }
7244 node = config_find(root, OUTPUTS_TAG);
Eric Laurente552edb2014-03-10 17:42:56 -07007245 if (node != NULL) {
Eric Laurente552edb2014-03-10 17:42:56 -07007246 node = node->first_child;
7247 while (node) {
7248 ALOGV("loadHwModule() loading output %s", node->name);
Eric Laurent1afeecb2014-05-14 08:52:28 -07007249 status_t tmpStatus = module->loadOutput(node);
Eric Laurente552edb2014-03-10 17:42:56 -07007250 if (status == NAME_NOT_FOUND || status == NO_ERROR) {
7251 status = tmpStatus;
7252 }
7253 node = node->next;
7254 }
7255 }
7256 node = config_find(root, INPUTS_TAG);
7257 if (node != NULL) {
7258 node = node->first_child;
7259 while (node) {
7260 ALOGV("loadHwModule() loading input %s", node->name);
Eric Laurent1afeecb2014-05-14 08:52:28 -07007261 status_t tmpStatus = module->loadInput(node);
Eric Laurente552edb2014-03-10 17:42:56 -07007262 if (status == NAME_NOT_FOUND || status == NO_ERROR) {
7263 status = tmpStatus;
7264 }
7265 node = node->next;
7266 }
7267 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07007268 loadGlobalConfig(root, module);
7269
Eric Laurente552edb2014-03-10 17:42:56 -07007270 if (status == NO_ERROR) {
7271 mHwModules.add(module);
Eric Laurente552edb2014-03-10 17:42:56 -07007272 }
7273}
7274
Eric Laurente0720872014-03-11 09:30:41 -07007275void AudioPolicyManager::loadHwModules(cnode *root)
Eric Laurente552edb2014-03-10 17:42:56 -07007276{
7277 cnode *node = config_find(root, AUDIO_HW_MODULE_TAG);
7278 if (node == NULL) {
7279 return;
7280 }
7281
7282 node = node->first_child;
7283 while (node) {
7284 ALOGV("loadHwModules() loading module %s", node->name);
7285 loadHwModule(node);
7286 node = node->next;
7287 }
7288}
7289
Eric Laurent1f2f2232014-06-02 12:01:23 -07007290void AudioPolicyManager::loadGlobalConfig(cnode *root, const sp<HwModule>& module)
Eric Laurente552edb2014-03-10 17:42:56 -07007291{
7292 cnode *node = config_find(root, GLOBAL_CONFIG_TAG);
Eric Laurenteb108a42014-06-06 14:56:52 -07007293
Eric Laurente552edb2014-03-10 17:42:56 -07007294 if (node == NULL) {
7295 return;
7296 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07007297 DeviceVector declaredDevices;
7298 if (module != NULL) {
7299 declaredDevices = module->mDeclaredDevices;
7300 }
7301
Eric Laurente552edb2014-03-10 17:42:56 -07007302 node = node->first_child;
7303 while (node) {
7304 if (strcmp(ATTACHED_OUTPUT_DEVICES_TAG, node->name) == 0) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07007305 mAvailableOutputDevices.loadDevicesFromName((char *)node->value,
7306 declaredDevices);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007307 ALOGV("loadGlobalConfig() Attached Output Devices %08x",
7308 mAvailableOutputDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07007309 } else if (strcmp(DEFAULT_OUTPUT_DEVICE_TAG, node->name) == 0) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07007310 audio_devices_t device = (audio_devices_t)stringToEnum(sDeviceNameToEnumTable,
Eric Laurente552edb2014-03-10 17:42:56 -07007311 ARRAY_SIZE(sDeviceNameToEnumTable),
7312 (char *)node->value);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007313 if (device != AUDIO_DEVICE_NONE) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07007314 mDefaultOutputDevice = new DeviceDescriptor(String8(""), device);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007315 } else {
7316 ALOGW("loadGlobalConfig() default device not specified");
7317 }
Eric Laurent1c333e22014-05-20 10:48:17 -07007318 ALOGV("loadGlobalConfig() mDefaultOutputDevice %08x", mDefaultOutputDevice->mDeviceType);
Eric Laurente552edb2014-03-10 17:42:56 -07007319 } else if (strcmp(ATTACHED_INPUT_DEVICES_TAG, node->name) == 0) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07007320 mAvailableInputDevices.loadDevicesFromName((char *)node->value,
7321 declaredDevices);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007322 ALOGV("loadGlobalConfig() Available InputDevices %08x", mAvailableInputDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07007323 } else if (strcmp(SPEAKER_DRC_ENABLED_TAG, node->name) == 0) {
7324 mSpeakerDrcEnabled = stringToBool((char *)node->value);
7325 ALOGV("loadGlobalConfig() mSpeakerDrcEnabled = %d", mSpeakerDrcEnabled);
Eric Laurenteb108a42014-06-06 14:56:52 -07007326 } else if (strcmp(AUDIO_HAL_VERSION_TAG, node->name) == 0) {
7327 uint32_t major, minor;
7328 sscanf((char *)node->value, "%u.%u", &major, &minor);
7329 module->mHalVersion = HARDWARE_DEVICE_API_VERSION(major, minor);
7330 ALOGV("loadGlobalConfig() mHalVersion = %04x major %u minor %u",
7331 module->mHalVersion, major, minor);
Eric Laurente552edb2014-03-10 17:42:56 -07007332 }
7333 node = node->next;
7334 }
7335}
7336
Eric Laurente0720872014-03-11 09:30:41 -07007337status_t AudioPolicyManager::loadAudioPolicyConfig(const char *path)
Eric Laurente552edb2014-03-10 17:42:56 -07007338{
7339 cnode *root;
7340 char *data;
7341
7342 data = (char *)load_file(path, NULL);
7343 if (data == NULL) {
7344 return -ENODEV;
7345 }
7346 root = config_node("", "");
7347 config_load(root, data);
7348
Eric Laurente552edb2014-03-10 17:42:56 -07007349 loadHwModules(root);
Eric Laurent1afeecb2014-05-14 08:52:28 -07007350 // legacy audio_policy.conf files have one global_configuration section
7351 loadGlobalConfig(root, getModuleFromName(AUDIO_HARDWARE_MODULE_ID_PRIMARY));
Eric Laurente552edb2014-03-10 17:42:56 -07007352 config_free(root);
7353 free(root);
7354 free(data);
7355
7356 ALOGI("loadAudioPolicyConfig() loaded %s\n", path);
7357
7358 return NO_ERROR;
7359}
7360
Eric Laurente0720872014-03-11 09:30:41 -07007361void AudioPolicyManager::defaultAudioPolicyConfig(void)
Eric Laurente552edb2014-03-10 17:42:56 -07007362{
Eric Laurent1f2f2232014-06-02 12:01:23 -07007363 sp<HwModule> module;
Eric Laurent1c333e22014-05-20 10:48:17 -07007364 sp<IOProfile> profile;
Eric Laurent1f2f2232014-06-02 12:01:23 -07007365 sp<DeviceDescriptor> defaultInputDevice = new DeviceDescriptor(String8(""),
7366 AUDIO_DEVICE_IN_BUILTIN_MIC);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007367 mAvailableOutputDevices.add(mDefaultOutputDevice);
7368 mAvailableInputDevices.add(defaultInputDevice);
Eric Laurente552edb2014-03-10 17:42:56 -07007369
7370 module = new HwModule("primary");
7371
Eric Laurent1afeecb2014-05-14 08:52:28 -07007372 profile = new IOProfile(String8("primary"), AUDIO_PORT_ROLE_SOURCE, module);
Eric Laurente552edb2014-03-10 17:42:56 -07007373 profile->mSamplingRates.add(44100);
7374 profile->mFormats.add(AUDIO_FORMAT_PCM_16_BIT);
7375 profile->mChannelMasks.add(AUDIO_CHANNEL_OUT_STEREO);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007376 profile->mSupportedDevices.add(mDefaultOutputDevice);
Eric Laurente552edb2014-03-10 17:42:56 -07007377 profile->mFlags = AUDIO_OUTPUT_FLAG_PRIMARY;
7378 module->mOutputProfiles.add(profile);
7379
Eric Laurent1afeecb2014-05-14 08:52:28 -07007380 profile = new IOProfile(String8("primary"), AUDIO_PORT_ROLE_SINK, module);
Eric Laurente552edb2014-03-10 17:42:56 -07007381 profile->mSamplingRates.add(8000);
7382 profile->mFormats.add(AUDIO_FORMAT_PCM_16_BIT);
7383 profile->mChannelMasks.add(AUDIO_CHANNEL_IN_MONO);
Eric Laurent3a4311c2014-03-17 12:00:47 -07007384 profile->mSupportedDevices.add(defaultInputDevice);
Eric Laurente552edb2014-03-10 17:42:56 -07007385 module->mInputProfiles.add(profile);
7386
7387 mHwModules.add(module);
7388}
7389
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07007390audio_stream_type_t AudioPolicyManager::streamTypefromAttributesInt(const audio_attributes_t *attr)
7391{
7392 // flags to stream type mapping
7393 if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
7394 return AUDIO_STREAM_ENFORCED_AUDIBLE;
7395 }
7396 if ((attr->flags & AUDIO_FLAG_SCO) == AUDIO_FLAG_SCO) {
7397 return AUDIO_STREAM_BLUETOOTH_SCO;
7398 }
7399
7400 // usage to stream type mapping
7401 switch (attr->usage) {
7402 case AUDIO_USAGE_MEDIA:
7403 case AUDIO_USAGE_GAME:
7404 case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
7405 case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
7406 return AUDIO_STREAM_MUSIC;
7407 case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
7408 return AUDIO_STREAM_SYSTEM;
7409 case AUDIO_USAGE_VOICE_COMMUNICATION:
7410 return AUDIO_STREAM_VOICE_CALL;
7411
7412 case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
7413 return AUDIO_STREAM_DTMF;
7414
7415 case AUDIO_USAGE_ALARM:
7416 return AUDIO_STREAM_ALARM;
7417 case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
7418 return AUDIO_STREAM_RING;
7419
7420 case AUDIO_USAGE_NOTIFICATION:
7421 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
7422 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
7423 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
7424 case AUDIO_USAGE_NOTIFICATION_EVENT:
7425 return AUDIO_STREAM_NOTIFICATION;
7426
7427 case AUDIO_USAGE_UNKNOWN:
7428 default:
7429 return AUDIO_STREAM_MUSIC;
7430 }
7431}
Eric Laurente552edb2014-03-10 17:42:56 -07007432}; // namespace android