blob: f95b83936ee56af9df13f0732c89567a64ad8a4c [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()
29#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL AUDIO_DEVICE_IN_REMOTE_SUBMIX
30// 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),
67 STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADSET),
68 STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADPHONE),
69 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO),
70 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET),
71 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
72 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_SCO),
73 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP),
74 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES),
75 STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
76 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_A2DP),
77 STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_DIGITAL),
Eric Laurent1b776232014-05-19 17:26:41 -070078 STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI),
Eric Laurent3a4311c2014-03-17 12:00:47 -070079 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET),
80 STRING_TO_ENUM(AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET),
81 STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_ACCESSORY),
82 STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_DEVICE),
83 STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_USB),
84 STRING_TO_ENUM(AUDIO_DEVICE_OUT_REMOTE_SUBMIX),
Eric Laurent1b776232014-05-19 17:26:41 -070085 STRING_TO_ENUM(AUDIO_DEVICE_OUT_TELEPHONY_TX),
86 STRING_TO_ENUM(AUDIO_DEVICE_OUT_LINE),
87 STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI_ARC),
88 STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPDIF),
89 STRING_TO_ENUM(AUDIO_DEVICE_OUT_FM),
Eric Laurente1d37b72014-07-29 10:26:26 -070090 STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_LINE),
Eric Laurenta57ab8d2014-07-30 10:01:42 -050091 STRING_TO_ENUM(AUDIO_DEVICE_IN_AMBIENT),
Eric Laurent3a4311c2014-03-17 12:00:47 -070092 STRING_TO_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
93 STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
94 STRING_TO_ENUM(AUDIO_DEVICE_IN_ALL_SCO),
95 STRING_TO_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET),
96 STRING_TO_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL),
Eric Laurent1b776232014-05-19 17:26:41 -070097 STRING_TO_ENUM(AUDIO_DEVICE_IN_HDMI),
Eric Laurent1b776232014-05-19 17:26:41 -070098 STRING_TO_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX),
Eric Laurentc2730ba2014-07-20 15:47:07 -070099 STRING_TO_ENUM(AUDIO_DEVICE_IN_VOICE_CALL),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700100 STRING_TO_ENUM(AUDIO_DEVICE_IN_BACK_MIC),
101 STRING_TO_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX),
102 STRING_TO_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET),
103 STRING_TO_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
104 STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY),
Eric Laurentd4692962014-05-05 18:13:44 -0700105 STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_DEVICE),
Eric Laurent1b776232014-05-19 17:26:41 -0700106 STRING_TO_ENUM(AUDIO_DEVICE_IN_FM_TUNER),
107 STRING_TO_ENUM(AUDIO_DEVICE_IN_TV_TUNER),
108 STRING_TO_ENUM(AUDIO_DEVICE_IN_LINE),
109 STRING_TO_ENUM(AUDIO_DEVICE_IN_SPDIF),
Mike Lockwood41b0e242014-05-13 15:23:35 -0700110 STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP),
Terry Heo7999a222014-06-27 15:23:36 +0900111 STRING_TO_ENUM(AUDIO_DEVICE_IN_LOOPBACK),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700112};
113
114const StringToEnum sFlagNameToEnumTable[] = {
115 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DIRECT),
116 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_PRIMARY),
117 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_FAST),
118 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DEEP_BUFFER),
119 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD),
120 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_NON_BLOCKING),
Eric Laurent93c3d412014-08-01 14:48:35 -0700121 STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_HW_AV_SYNC),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700122};
123
124const StringToEnum sFormatNameToEnumTable[] = {
125 STRING_TO_ENUM(AUDIO_FORMAT_PCM_16_BIT),
126 STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_BIT),
127 STRING_TO_ENUM(AUDIO_FORMAT_PCM_32_BIT),
128 STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_24_BIT),
129 STRING_TO_ENUM(AUDIO_FORMAT_PCM_FLOAT),
130 STRING_TO_ENUM(AUDIO_FORMAT_PCM_24_BIT_PACKED),
131 STRING_TO_ENUM(AUDIO_FORMAT_MP3),
132 STRING_TO_ENUM(AUDIO_FORMAT_AAC),
aarti jadhav-gaikwad2829edc2014-06-18 15:25:26 +0530133 STRING_TO_ENUM(AUDIO_FORMAT_AAC_MAIN),
134 STRING_TO_ENUM(AUDIO_FORMAT_AAC_LC),
135 STRING_TO_ENUM(AUDIO_FORMAT_AAC_SSR),
136 STRING_TO_ENUM(AUDIO_FORMAT_AAC_LTP),
137 STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V1),
138 STRING_TO_ENUM(AUDIO_FORMAT_AAC_SCALABLE),
139 STRING_TO_ENUM(AUDIO_FORMAT_AAC_ERLC),
140 STRING_TO_ENUM(AUDIO_FORMAT_AAC_LD),
141 STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V2),
142 STRING_TO_ENUM(AUDIO_FORMAT_AAC_ELD),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700143 STRING_TO_ENUM(AUDIO_FORMAT_VORBIS),
Eric Laurentab5cdba2014-06-09 17:22:27 -0700144 STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V1),
145 STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V2),
146 STRING_TO_ENUM(AUDIO_FORMAT_OPUS),
147 STRING_TO_ENUM(AUDIO_FORMAT_AC3),
148 STRING_TO_ENUM(AUDIO_FORMAT_E_AC3),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700149};
150
151const StringToEnum sOutChannelsNameToEnumTable[] = {
152 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_MONO),
153 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_STEREO),
Andy Hung3a0fe122014-07-29 17:56:46 -0700154 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_QUAD),
Eric Laurent3a4311c2014-03-17 12:00:47 -0700155 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_5POINT1),
156 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_7POINT1),
157};
158
159const StringToEnum sInChannelsNameToEnumTable[] = {
160 STRING_TO_ENUM(AUDIO_CHANNEL_IN_MONO),
161 STRING_TO_ENUM(AUDIO_CHANNEL_IN_STEREO),
162 STRING_TO_ENUM(AUDIO_CHANNEL_IN_FRONT_BACK),
163};
164
Eric Laurent1afeecb2014-05-14 08:52:28 -0700165const StringToEnum sGainModeNameToEnumTable[] = {
166 STRING_TO_ENUM(AUDIO_GAIN_MODE_JOINT),
167 STRING_TO_ENUM(AUDIO_GAIN_MODE_CHANNELS),
168 STRING_TO_ENUM(AUDIO_GAIN_MODE_RAMP),
169};
170
Eric Laurent3a4311c2014-03-17 12:00:47 -0700171
172uint32_t AudioPolicyManager::stringToEnum(const struct StringToEnum *table,
173 size_t size,
174 const char *name)
175{
176 for (size_t i = 0; i < size; i++) {
177 if (strcmp(table[i].name, name) == 0) {
178 ALOGV("stringToEnum() found %s", table[i].name);
179 return table[i].value;
180 }
181 }
182 return 0;
183}
184
185const char *AudioPolicyManager::enumToString(const struct StringToEnum *table,
186 size_t size,
187 uint32_t value)
188{
189 for (size_t i = 0; i < size; i++) {
190 if (table[i].value == value) {
191 return table[i].name;
192 }
193 }
194 return "";
195}
196
197bool AudioPolicyManager::stringToBool(const char *value)
198{
199 return ((strcasecmp("true", value) == 0) || (strcmp("1", value) == 0));
200}
201
202
203// ----------------------------------------------------------------------------
Eric Laurente552edb2014-03-10 17:42:56 -0700204// AudioPolicyInterface implementation
205// ----------------------------------------------------------------------------
206
207
Eric Laurente0720872014-03-11 09:30:41 -0700208status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
Eric Laurent3b73df72014-03-11 09:06:29 -0700209 audio_policy_dev_state_t state,
Eric Laurente552edb2014-03-10 17:42:56 -0700210 const char *device_address)
211{
Eric Laurent22226012014-08-01 17:00:54 -0700212 String8 address = (device_address == NULL) ? String8("") : String8(device_address);
Eric Laurente552edb2014-03-10 17:42:56 -0700213
Eric Laurent22226012014-08-01 17:00:54 -0700214 ALOGV("setDeviceConnectionState() device: %x, state %d, address %s",
215 device, state, address.string());
Eric Laurente552edb2014-03-10 17:42:56 -0700216
217 // connect/disconnect only 1 device at a time
218 if (!audio_is_output_device(device) && !audio_is_input_device(device)) return BAD_VALUE;
219
Eric Laurente552edb2014-03-10 17:42:56 -0700220 // handle output devices
221 if (audio_is_output_device(device)) {
Eric Laurentd4692962014-05-05 18:13:44 -0700222 SortedVector <audio_io_handle_t> outputs;
223
Eric Laurent1afeecb2014-05-14 08:52:28 -0700224 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
225 devDesc->mAddress = address;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700226 ssize_t index = mAvailableOutputDevices.indexOf(devDesc);
227
Eric Laurente552edb2014-03-10 17:42:56 -0700228 // save a copy of the opened output descriptors before any output is opened or closed
229 // by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies()
230 mPreviousOutputs = mOutputs;
Eric Laurente552edb2014-03-10 17:42:56 -0700231 switch (state)
232 {
233 // handle output device connection
Eric Laurent3b73df72014-03-11 09:06:29 -0700234 case AUDIO_POLICY_DEVICE_STATE_AVAILABLE:
Eric Laurent3a4311c2014-03-17 12:00:47 -0700235 if (index >= 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700236 ALOGW("setDeviceConnectionState() device already connected: %x", device);
237 return INVALID_OPERATION;
238 }
239 ALOGV("setDeviceConnectionState() connecting device %x", device);
240
Eric Laurente552edb2014-03-10 17:42:56 -0700241 // register new device as available
Eric Laurent3a4311c2014-03-17 12:00:47 -0700242 index = mAvailableOutputDevices.add(devDesc);
243 if (index >= 0) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700244 sp<HwModule> module = getModuleForDevice(device);
Eric Laurentcf817a22014-08-04 20:36:31 -0700245 if (module == 0) {
246 ALOGD("setDeviceConnectionState() could not find HW module for device %08x",
247 device);
248 mAvailableOutputDevices.remove(devDesc);
249 return INVALID_OPERATION;
250 }
251 mAvailableOutputDevices[index]->mId = nextUniqueId();
Eric Laurent6a94d692014-05-20 11:18:06 -0700252 mAvailableOutputDevices[index]->mModule = module;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700253 } else {
254 return NO_MEMORY;
Eric Laurente552edb2014-03-10 17:42:56 -0700255 }
256
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -0700257 if (checkOutputsForDevice(device, state, outputs, address) != NO_ERROR) {
258 mAvailableOutputDevices.remove(devDesc);
259 return INVALID_OPERATION;
260 }
261 // outputs should never be empty here
262 ALOG_ASSERT(outputs.size() != 0, "setDeviceConnectionState():"
263 "checkOutputsForDevice() returned no outputs but status OK");
264 ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %zu outputs",
265 outputs.size());
Eric Laurente552edb2014-03-10 17:42:56 -0700266 break;
267 // handle output device disconnection
Eric Laurent3b73df72014-03-11 09:06:29 -0700268 case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700269 if (index < 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700270 ALOGW("setDeviceConnectionState() device not connected: %x", device);
271 return INVALID_OPERATION;
272 }
273
274 ALOGV("setDeviceConnectionState() disconnecting device %x", device);
275 // remove device from available output devices
Eric Laurent3a4311c2014-03-17 12:00:47 -0700276 mAvailableOutputDevices.remove(devDesc);
Eric Laurente552edb2014-03-10 17:42:56 -0700277
Eric Laurent3a4311c2014-03-17 12:00:47 -0700278 checkOutputsForDevice(device, state, outputs, address);
Eric Laurente552edb2014-03-10 17:42:56 -0700279 } break;
280
281 default:
282 ALOGE("setDeviceConnectionState() invalid state: %x", state);
283 return BAD_VALUE;
284 }
285
Eric Laurent3a4311c2014-03-17 12:00:47 -0700286 // checkA2dpSuspend must run before checkOutputForAllStrategies so that A2DP
287 // output is suspended before any tracks are moved to it
Eric Laurente552edb2014-03-10 17:42:56 -0700288 checkA2dpSuspend();
289 checkOutputForAllStrategies();
290 // outputs must be closed after checkOutputForAllStrategies() is executed
291 if (!outputs.isEmpty()) {
292 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700293 sp<AudioOutputDescriptor> desc = mOutputs.valueFor(outputs[i]);
Eric Laurente552edb2014-03-10 17:42:56 -0700294 // close unused outputs after device disconnection or direct outputs that have been
295 // opened by checkOutputsForDevice() to query dynamic parameters
Eric Laurent3b73df72014-03-11 09:06:29 -0700296 if ((state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) ||
Eric Laurente552edb2014-03-10 17:42:56 -0700297 (((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) &&
298 (desc->mDirectOpenCount == 0))) {
299 closeOutput(outputs[i]);
300 }
301 }
Eric Laurent3a4311c2014-03-17 12:00:47 -0700302 // check again after closing A2DP output to reset mA2dpSuspended if needed
303 checkA2dpSuspend();
Eric Laurente552edb2014-03-10 17:42:56 -0700304 }
305
306 updateDevicesAndOutputs();
Eric Laurentc2730ba2014-07-20 15:47:07 -0700307 if (mPhoneState == AUDIO_MODE_IN_CALL) {
308 audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
309 updateCallRouting(newDevice);
310 }
Eric Laurente552edb2014-03-10 17:42:56 -0700311 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurentc2730ba2014-07-20 15:47:07 -0700312 audio_io_handle_t output = mOutputs.keyAt(i);
313 if ((mPhoneState != AUDIO_MODE_IN_CALL) || (output != mPrimaryOutput)) {
314 audio_devices_t newDevice = getNewOutputDevice(mOutputs.keyAt(i),
315 true /*fromCache*/);
316 // do not force device change on duplicated output because if device is 0, it will
317 // also force a device 0 for the two outputs it is duplicated to which may override
318 // a valid device selection on those outputs.
319 bool force = !mOutputs.valueAt(i)->isDuplicated()
320 && (!deviceDistinguishesOnAddress(device)
321 // always force when disconnecting (a non-duplicated device)
322 || (state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE));
323 setOutputDevice(output, newDevice, force, 0);
324 }
Eric Laurente552edb2014-03-10 17:42:56 -0700325 }
326
Eric Laurent72aa32f2014-05-30 18:51:48 -0700327 mpClientInterface->onAudioPortListUpdate();
Eric Laurentb71e58b2014-05-29 16:08:11 -0700328 return NO_ERROR;
Eric Laurentd4692962014-05-05 18:13:44 -0700329 } // end if is output device
330
Eric Laurente552edb2014-03-10 17:42:56 -0700331 // handle input devices
332 if (audio_is_input_device(device)) {
Eric Laurentd4692962014-05-05 18:13:44 -0700333 SortedVector <audio_io_handle_t> inputs;
334
Eric Laurent1afeecb2014-05-14 08:52:28 -0700335 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
336 devDesc->mAddress = address;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700337 ssize_t index = mAvailableInputDevices.indexOf(devDesc);
Eric Laurente552edb2014-03-10 17:42:56 -0700338 switch (state)
339 {
340 // handle input device connection
Eric Laurent3b73df72014-03-11 09:06:29 -0700341 case AUDIO_POLICY_DEVICE_STATE_AVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700342 if (index >= 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700343 ALOGW("setDeviceConnectionState() device already connected: %d", device);
344 return INVALID_OPERATION;
345 }
Eric Laurent1f2f2232014-06-02 12:01:23 -0700346 sp<HwModule> module = getModuleForDevice(device);
Eric Laurent6a94d692014-05-20 11:18:06 -0700347 if (module == NULL) {
348 ALOGW("setDeviceConnectionState(): could not find HW module for device %08x",
349 device);
350 return INVALID_OPERATION;
351 }
Eric Laurentd4692962014-05-05 18:13:44 -0700352 if (checkInputsForDevice(device, state, inputs, address) != NO_ERROR) {
353 return INVALID_OPERATION;
354 }
355
Eric Laurent3a4311c2014-03-17 12:00:47 -0700356 index = mAvailableInputDevices.add(devDesc);
357 if (index >= 0) {
358 mAvailableInputDevices[index]->mId = nextUniqueId();
Eric Laurent6a94d692014-05-20 11:18:06 -0700359 mAvailableInputDevices[index]->mModule = module;
Eric Laurent3a4311c2014-03-17 12:00:47 -0700360 } else {
361 return NO_MEMORY;
362 }
Eric Laurentd4692962014-05-05 18:13:44 -0700363 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700364
365 // handle input device disconnection
Eric Laurent3b73df72014-03-11 09:06:29 -0700366 case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700367 if (index < 0) {
Eric Laurente552edb2014-03-10 17:42:56 -0700368 ALOGW("setDeviceConnectionState() device not connected: %d", device);
369 return INVALID_OPERATION;
370 }
Eric Laurentd4692962014-05-05 18:13:44 -0700371 checkInputsForDevice(device, state, inputs, address);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700372 mAvailableInputDevices.remove(devDesc);
Eric Laurentd4692962014-05-05 18:13:44 -0700373 } break;
Eric Laurente552edb2014-03-10 17:42:56 -0700374
375 default:
376 ALOGE("setDeviceConnectionState() invalid state: %x", state);
377 return BAD_VALUE;
378 }
379
Eric Laurentd4692962014-05-05 18:13:44 -0700380 closeAllInputs();
Eric Laurente552edb2014-03-10 17:42:56 -0700381
Eric Laurentc2730ba2014-07-20 15:47:07 -0700382 if (mPhoneState == AUDIO_MODE_IN_CALL) {
383 audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
384 updateCallRouting(newDevice);
385 }
386
Eric Laurentb52c1522014-05-20 11:27:36 -0700387 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -0700388 return NO_ERROR;
Eric Laurentd4692962014-05-05 18:13:44 -0700389 } // end if is input device
Eric Laurente552edb2014-03-10 17:42:56 -0700390
391 ALOGW("setDeviceConnectionState() invalid device: %x", device);
392 return BAD_VALUE;
393}
394
Eric Laurente0720872014-03-11 09:30:41 -0700395audio_policy_dev_state_t AudioPolicyManager::getDeviceConnectionState(audio_devices_t device,
Eric Laurente552edb2014-03-10 17:42:56 -0700396 const char *device_address)
397{
Eric Laurent3b73df72014-03-11 09:06:29 -0700398 audio_policy_dev_state_t state = AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
Eric Laurent1afeecb2014-05-14 08:52:28 -0700399 sp<DeviceDescriptor> devDesc = new DeviceDescriptor(String8(""), device);
Eric Laurent22226012014-08-01 17:00:54 -0700400 devDesc->mAddress = (device_address == NULL) ? String8("") : String8(device_address);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700401 ssize_t index;
402 DeviceVector *deviceVector;
403
Eric Laurente552edb2014-03-10 17:42:56 -0700404 if (audio_is_output_device(device)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700405 deviceVector = &mAvailableOutputDevices;
Eric Laurente552edb2014-03-10 17:42:56 -0700406 } else if (audio_is_input_device(device)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -0700407 deviceVector = &mAvailableInputDevices;
408 } else {
409 ALOGW("getDeviceConnectionState() invalid device type %08x", device);
410 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
Eric Laurente552edb2014-03-10 17:42:56 -0700411 }
412
Eric Laurent3a4311c2014-03-17 12:00:47 -0700413 index = deviceVector->indexOf(devDesc);
414 if (index >= 0) {
415 return AUDIO_POLICY_DEVICE_STATE_AVAILABLE;
416 } else {
417 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
418 }
Eric Laurente552edb2014-03-10 17:42:56 -0700419}
420
Eric Laurentc2730ba2014-07-20 15:47:07 -0700421void AudioPolicyManager::updateCallRouting(audio_devices_t rxDevice, int delayMs)
422{
423 bool createTxPatch = false;
424 struct audio_patch patch;
425 patch.num_sources = 1;
426 patch.num_sinks = 1;
427 status_t status;
428 audio_patch_handle_t afPatchHandle;
429 DeviceVector deviceList;
430
431 audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
432 ALOGV("updateCallRouting device rxDevice %08x txDevice %08x", rxDevice, txDevice);
433
434 // release existing RX patch if any
435 if (mCallRxPatch != 0) {
436 mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
437 mCallRxPatch.clear();
438 }
439 // release TX patch if any
440 if (mCallTxPatch != 0) {
441 mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
442 mCallTxPatch.clear();
443 }
444
445 // If the RX device is on the primary HW module, then use legacy routing method for voice calls
446 // via setOutputDevice() on primary output.
447 // Otherwise, create two audio patches for TX and RX path.
448 if (availablePrimaryOutputDevices() & rxDevice) {
449 setOutputDevice(mPrimaryOutput, rxDevice, true, delayMs);
450 // If the TX device is also on the primary HW module, setOutputDevice() will take care
451 // of it due to legacy implementation. If not, create a patch.
452 if ((availablePrimaryInputDevices() & txDevice & ~AUDIO_DEVICE_BIT_IN)
453 == AUDIO_DEVICE_NONE) {
454 createTxPatch = true;
455 }
456 } else {
457 // create RX path audio patch
458 deviceList = mAvailableOutputDevices.getDevicesFromType(rxDevice);
459 ALOG_ASSERT(!deviceList.isEmpty(),
460 "updateCallRouting() selected device not in output device list");
461 sp<DeviceDescriptor> rxSinkDeviceDesc = deviceList.itemAt(0);
462 deviceList = mAvailableInputDevices.getDevicesFromType(AUDIO_DEVICE_IN_TELEPHONY_RX);
463 ALOG_ASSERT(!deviceList.isEmpty(),
464 "updateCallRouting() no telephony RX device");
465 sp<DeviceDescriptor> rxSourceDeviceDesc = deviceList.itemAt(0);
466
467 rxSourceDeviceDesc->toAudioPortConfig(&patch.sources[0]);
468 rxSinkDeviceDesc->toAudioPortConfig(&patch.sinks[0]);
469
470 // request to reuse existing output stream if one is already opened to reach the RX device
471 SortedVector<audio_io_handle_t> outputs =
472 getOutputsForDevice(rxDevice, mOutputs);
473 audio_io_handle_t output = selectOutput(outputs, AUDIO_OUTPUT_FLAG_NONE);
474 if (output != AUDIO_IO_HANDLE_NONE) {
475 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
476 ALOG_ASSERT(!outputDesc->isDuplicated(),
477 "updateCallRouting() RX device output is duplicated");
478 outputDesc->toAudioPortConfig(&patch.sources[1]);
479 patch.num_sources = 2;
480 }
481
482 afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
483 status = mpClientInterface->createAudioPatch(&patch, &afPatchHandle, 0);
484 ALOGW_IF(status != NO_ERROR, "updateCallRouting() error %d creating RX audio patch",
485 status);
486 if (status == NO_ERROR) {
487 mCallRxPatch = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
488 &patch, mUidCached);
489 mCallRxPatch->mAfPatchHandle = afPatchHandle;
490 mCallRxPatch->mUid = mUidCached;
491 }
492 createTxPatch = true;
493 }
494 if (createTxPatch) {
495
496 struct audio_patch patch;
497 patch.num_sources = 1;
498 patch.num_sinks = 1;
499 deviceList = mAvailableInputDevices.getDevicesFromType(txDevice);
500 ALOG_ASSERT(!deviceList.isEmpty(),
501 "updateCallRouting() selected device not in input device list");
502 sp<DeviceDescriptor> txSourceDeviceDesc = deviceList.itemAt(0);
503 txSourceDeviceDesc->toAudioPortConfig(&patch.sources[0]);
504 deviceList = mAvailableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_TELEPHONY_TX);
505 ALOG_ASSERT(!deviceList.isEmpty(),
506 "updateCallRouting() no telephony TX device");
507 sp<DeviceDescriptor> txSinkDeviceDesc = deviceList.itemAt(0);
508 txSinkDeviceDesc->toAudioPortConfig(&patch.sinks[0]);
509
510 SortedVector<audio_io_handle_t> outputs =
511 getOutputsForDevice(AUDIO_DEVICE_OUT_TELEPHONY_TX, mOutputs);
512 audio_io_handle_t output = selectOutput(outputs, AUDIO_OUTPUT_FLAG_NONE);
513 // request to reuse existing output stream if one is already opened to reach the TX
514 // path output device
515 if (output != AUDIO_IO_HANDLE_NONE) {
516 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
517 ALOG_ASSERT(!outputDesc->isDuplicated(),
518 "updateCallRouting() RX device output is duplicated");
519 outputDesc->toAudioPortConfig(&patch.sources[1]);
520 patch.num_sources = 2;
521 }
522
523 afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
524 status = mpClientInterface->createAudioPatch(&patch, &afPatchHandle, 0);
525 ALOGW_IF(status != NO_ERROR, "setPhoneState() error %d creating TX audio patch",
526 status);
527 if (status == NO_ERROR) {
528 mCallTxPatch = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
529 &patch, mUidCached);
530 mCallTxPatch->mAfPatchHandle = afPatchHandle;
531 mCallTxPatch->mUid = mUidCached;
532 }
533 }
534}
535
Eric Laurente0720872014-03-11 09:30:41 -0700536void AudioPolicyManager::setPhoneState(audio_mode_t state)
Eric Laurente552edb2014-03-10 17:42:56 -0700537{
538 ALOGV("setPhoneState() state %d", state);
Eric Laurent3b73df72014-03-11 09:06:29 -0700539 if (state < 0 || state >= AUDIO_MODE_CNT) {
Eric Laurente552edb2014-03-10 17:42:56 -0700540 ALOGW("setPhoneState() invalid state %d", state);
541 return;
542 }
543
544 if (state == mPhoneState ) {
545 ALOGW("setPhoneState() setting same state %d", state);
546 return;
547 }
548
549 // if leaving call state, handle special case of active streams
550 // pertaining to sonification strategy see handleIncallSonification()
551 if (isInCall()) {
552 ALOGV("setPhoneState() in call state management: new state is %d", state);
Eric Laurent3b73df72014-03-11 09:06:29 -0700553 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
554 handleIncallSonification((audio_stream_type_t)stream, false, true);
Eric Laurente552edb2014-03-10 17:42:56 -0700555 }
556 }
557
558 // store previous phone state for management of sonification strategy below
559 int oldState = mPhoneState;
560 mPhoneState = state;
561 bool force = false;
562
563 // are we entering or starting a call
564 if (!isStateInCall(oldState) && isStateInCall(state)) {
565 ALOGV(" Entering call in setPhoneState()");
566 // force routing command to audio hardware when starting a call
567 // even if no device change is needed
568 force = true;
569 for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
570 mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] =
571 sVolumeProfiles[AUDIO_STREAM_VOICE_CALL][j];
572 }
573 } else if (isStateInCall(oldState) && !isStateInCall(state)) {
574 ALOGV(" Exiting call in setPhoneState()");
575 // force routing command to audio hardware when exiting a call
576 // even if no device change is needed
577 force = true;
578 for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
579 mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] =
580 sVolumeProfiles[AUDIO_STREAM_DTMF][j];
581 }
582 } else if (isStateInCall(state) && (state != oldState)) {
583 ALOGV(" Switching between telephony and VoIP in setPhoneState()");
584 // force routing command to audio hardware when switching between telephony and VoIP
585 // even if no device change is needed
586 force = true;
587 }
588
589 // check for device and output changes triggered by new phone state
Eric Laurente552edb2014-03-10 17:42:56 -0700590 checkA2dpSuspend();
591 checkOutputForAllStrategies();
592 updateDevicesAndOutputs();
593
Eric Laurent1f2f2232014-06-02 12:01:23 -0700594 sp<AudioOutputDescriptor> hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
Eric Laurente552edb2014-03-10 17:42:56 -0700595
Eric Laurente552edb2014-03-10 17:42:56 -0700596 int delayMs = 0;
597 if (isStateInCall(state)) {
598 nsecs_t sysTime = systemTime();
599 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700600 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -0700601 // mute media and sonification strategies and delay device switch by the largest
602 // latency of any output where either strategy is active.
603 // This avoid sending the ring tone or music tail into the earpiece or headset.
604 if ((desc->isStrategyActive(STRATEGY_MEDIA,
605 SONIFICATION_HEADSET_MUSIC_DELAY,
606 sysTime) ||
607 desc->isStrategyActive(STRATEGY_SONIFICATION,
608 SONIFICATION_HEADSET_MUSIC_DELAY,
609 sysTime)) &&
610 (delayMs < (int)desc->mLatency*2)) {
611 delayMs = desc->mLatency*2;
612 }
613 setStrategyMute(STRATEGY_MEDIA, true, mOutputs.keyAt(i));
614 setStrategyMute(STRATEGY_MEDIA, false, mOutputs.keyAt(i), MUTE_TIME_MS,
615 getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/));
616 setStrategyMute(STRATEGY_SONIFICATION, true, mOutputs.keyAt(i));
617 setStrategyMute(STRATEGY_SONIFICATION, false, mOutputs.keyAt(i), MUTE_TIME_MS,
618 getDeviceForStrategy(STRATEGY_SONIFICATION, true /*fromCache*/));
619 }
620 }
621
Eric Laurentc2730ba2014-07-20 15:47:07 -0700622 // Note that despite the fact that getNewOutputDevice() is called on the primary output,
623 // the device returned is not necessarily reachable via this output
624 audio_devices_t rxDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
625 // force routing command to audio hardware when ending call
626 // even if no device change is needed
627 if (isStateInCall(oldState) && rxDevice == AUDIO_DEVICE_NONE) {
628 rxDevice = hwOutputDesc->device();
629 }
Eric Laurente552edb2014-03-10 17:42:56 -0700630
Eric Laurentc2730ba2014-07-20 15:47:07 -0700631 if (state == AUDIO_MODE_IN_CALL) {
632 updateCallRouting(rxDevice, delayMs);
633 } else if (oldState == AUDIO_MODE_IN_CALL) {
634 if (mCallRxPatch != 0) {
635 mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
636 mCallRxPatch.clear();
637 }
638 if (mCallTxPatch != 0) {
639 mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
640 mCallTxPatch.clear();
641 }
642 setOutputDevice(mPrimaryOutput, rxDevice, force, 0);
643 } else {
644 setOutputDevice(mPrimaryOutput, rxDevice, force, 0);
645 }
Eric Laurente552edb2014-03-10 17:42:56 -0700646 // if entering in call state, handle special case of active streams
647 // pertaining to sonification strategy see handleIncallSonification()
648 if (isStateInCall(state)) {
649 ALOGV("setPhoneState() in call state management: new state is %d", state);
Eric Laurent3b73df72014-03-11 09:06:29 -0700650 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
651 handleIncallSonification((audio_stream_type_t)stream, true, true);
Eric Laurente552edb2014-03-10 17:42:56 -0700652 }
653 }
654
655 // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE
Eric Laurent3b73df72014-03-11 09:06:29 -0700656 if (state == AUDIO_MODE_RINGTONE &&
657 isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY)) {
Eric Laurente552edb2014-03-10 17:42:56 -0700658 mLimitRingtoneVolume = true;
659 } else {
660 mLimitRingtoneVolume = false;
661 }
662}
663
Eric Laurente0720872014-03-11 09:30:41 -0700664void AudioPolicyManager::setForceUse(audio_policy_force_use_t usage,
Eric Laurent3b73df72014-03-11 09:06:29 -0700665 audio_policy_forced_cfg_t config)
Eric Laurente552edb2014-03-10 17:42:56 -0700666{
667 ALOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mPhoneState);
668
669 bool forceVolumeReeval = false;
670 switch(usage) {
Eric Laurent3b73df72014-03-11 09:06:29 -0700671 case AUDIO_POLICY_FORCE_FOR_COMMUNICATION:
672 if (config != AUDIO_POLICY_FORCE_SPEAKER && config != AUDIO_POLICY_FORCE_BT_SCO &&
673 config != AUDIO_POLICY_FORCE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -0700674 ALOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config);
675 return;
676 }
677 forceVolumeReeval = true;
678 mForceUse[usage] = config;
679 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700680 case AUDIO_POLICY_FORCE_FOR_MEDIA:
681 if (config != AUDIO_POLICY_FORCE_HEADPHONES && config != AUDIO_POLICY_FORCE_BT_A2DP &&
682 config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
683 config != AUDIO_POLICY_FORCE_ANALOG_DOCK &&
684 config != AUDIO_POLICY_FORCE_DIGITAL_DOCK && config != AUDIO_POLICY_FORCE_NONE &&
Jungshik Jang0c943092014-07-08 22:11:24 +0900685 config != AUDIO_POLICY_FORCE_NO_BT_A2DP) {
Eric Laurente552edb2014-03-10 17:42:56 -0700686 ALOGW("setForceUse() invalid config %d for FOR_MEDIA", config);
687 return;
688 }
689 mForceUse[usage] = config;
690 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700691 case AUDIO_POLICY_FORCE_FOR_RECORD:
692 if (config != AUDIO_POLICY_FORCE_BT_SCO && config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
693 config != AUDIO_POLICY_FORCE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -0700694 ALOGW("setForceUse() invalid config %d for FOR_RECORD", config);
695 return;
696 }
697 mForceUse[usage] = config;
698 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700699 case AUDIO_POLICY_FORCE_FOR_DOCK:
700 if (config != AUDIO_POLICY_FORCE_NONE && config != AUDIO_POLICY_FORCE_BT_CAR_DOCK &&
701 config != AUDIO_POLICY_FORCE_BT_DESK_DOCK &&
702 config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY &&
703 config != AUDIO_POLICY_FORCE_ANALOG_DOCK &&
704 config != AUDIO_POLICY_FORCE_DIGITAL_DOCK) {
Eric Laurente552edb2014-03-10 17:42:56 -0700705 ALOGW("setForceUse() invalid config %d for FOR_DOCK", config);
706 }
707 forceVolumeReeval = true;
708 mForceUse[usage] = config;
709 break;
Eric Laurent3b73df72014-03-11 09:06:29 -0700710 case AUDIO_POLICY_FORCE_FOR_SYSTEM:
711 if (config != AUDIO_POLICY_FORCE_NONE &&
712 config != AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
Eric Laurente552edb2014-03-10 17:42:56 -0700713 ALOGW("setForceUse() invalid config %d for FOR_SYSTEM", config);
714 }
715 forceVolumeReeval = true;
716 mForceUse[usage] = config;
717 break;
Jungshik Jang7b24ee32014-07-15 19:38:42 +0900718 case AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO:
719 if (config != AUDIO_POLICY_FORCE_NONE &&
720 config != AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED) {
721 ALOGW("setForceUse() invalid config %d forHDMI_SYSTEM_AUDIO", config);
722 }
723 mForceUse[usage] = config;
724 break;
Eric Laurente552edb2014-03-10 17:42:56 -0700725 default:
726 ALOGW("setForceUse() invalid usage %d", usage);
727 break;
728 }
729
730 // check for device and output changes triggered by new force usage
731 checkA2dpSuspend();
732 checkOutputForAllStrategies();
733 updateDevicesAndOutputs();
Eric Laurentc2730ba2014-07-20 15:47:07 -0700734 if (mPhoneState == AUDIO_MODE_IN_CALL) {
735 audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, true /*fromCache*/);
736 updateCallRouting(newDevice);
737 }
Eric Laurente552edb2014-03-10 17:42:56 -0700738 for (size_t i = 0; i < mOutputs.size(); i++) {
739 audio_io_handle_t output = mOutputs.keyAt(i);
Eric Laurent1c333e22014-05-20 10:48:17 -0700740 audio_devices_t newDevice = getNewOutputDevice(output, true /*fromCache*/);
Eric Laurentc2730ba2014-07-20 15:47:07 -0700741 if ((mPhoneState != AUDIO_MODE_IN_CALL) || (output != mPrimaryOutput)) {
742 setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE));
743 }
Eric Laurente552edb2014-03-10 17:42:56 -0700744 if (forceVolumeReeval && (newDevice != AUDIO_DEVICE_NONE)) {
745 applyStreamVolumes(output, newDevice, 0, true);
746 }
747 }
748
749 audio_io_handle_t activeInput = getActiveInput();
750 if (activeInput != 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -0700751 setInputDevice(activeInput, getNewInputDevice(activeInput));
Eric Laurente552edb2014-03-10 17:42:56 -0700752 }
753
754}
755
Eric Laurente0720872014-03-11 09:30:41 -0700756audio_policy_forced_cfg_t AudioPolicyManager::getForceUse(audio_policy_force_use_t usage)
Eric Laurente552edb2014-03-10 17:42:56 -0700757{
758 return mForceUse[usage];
759}
760
Eric Laurente0720872014-03-11 09:30:41 -0700761void AudioPolicyManager::setSystemProperty(const char* property, const char* value)
Eric Laurente552edb2014-03-10 17:42:56 -0700762{
763 ALOGV("setSystemProperty() property %s, value %s", property, value);
764}
765
766// Find a direct output profile compatible with the parameters passed, even if the input flags do
767// not explicitly request a direct output
Eric Laurent1c333e22014-05-20 10:48:17 -0700768sp<AudioPolicyManager::IOProfile> AudioPolicyManager::getProfileForDirectOutput(
Eric Laurente552edb2014-03-10 17:42:56 -0700769 audio_devices_t device,
770 uint32_t samplingRate,
771 audio_format_t format,
772 audio_channel_mask_t channelMask,
773 audio_output_flags_t flags)
774{
775 for (size_t i = 0; i < mHwModules.size(); i++) {
776 if (mHwModules[i]->mHandle == 0) {
777 continue;
778 }
779 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++) {
Eric Laurent1c333e22014-05-20 10:48:17 -0700780 sp<IOProfile> profile = mHwModules[i]->mOutputProfiles[j];
Glenn Kastencbd48022014-07-24 13:46:44 -0700781 bool found = profile->isCompatibleProfile(device, samplingRate,
782 NULL /*updatedSamplingRate*/, format, channelMask,
783 flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD ?
784 AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD : AUDIO_OUTPUT_FLAG_DIRECT);
Eric Laurent3a4311c2014-03-17 12:00:47 -0700785 if (found && (mAvailableOutputDevices.types() & profile->mSupportedDevices.types())) {
786 return profile;
787 }
Eric Laurente552edb2014-03-10 17:42:56 -0700788 }
789 }
790 return 0;
791}
792
Eric Laurente0720872014-03-11 09:30:41 -0700793audio_io_handle_t AudioPolicyManager::getOutput(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -0700794 uint32_t samplingRate,
795 audio_format_t format,
796 audio_channel_mask_t channelMask,
Eric Laurent3b73df72014-03-11 09:06:29 -0700797 audio_output_flags_t flags,
Eric Laurente552edb2014-03-10 17:42:56 -0700798 const audio_offload_info_t *offloadInfo)
799{
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700800
Eric Laurent3b73df72014-03-11 09:06:29 -0700801 routing_strategy strategy = getStrategy(stream);
Eric Laurente552edb2014-03-10 17:42:56 -0700802 audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
803 ALOGV("getOutput() device %d, stream %d, samplingRate %d, format %x, channelMask %x, flags %x",
804 device, stream, samplingRate, format, channelMask, flags);
805
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700806 return getOutputForDevice(device, stream, samplingRate,format, channelMask, flags,
807 offloadInfo);
808}
809
810audio_io_handle_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
811 uint32_t samplingRate,
812 audio_format_t format,
813 audio_channel_mask_t channelMask,
814 audio_output_flags_t flags,
815 const audio_offload_info_t *offloadInfo)
816{
817 if (attr == NULL) {
818 ALOGE("getOutputForAttr() called with NULL audio attributes");
819 return 0;
820 }
Eric Laurent93c3d412014-08-01 14:48:35 -0700821 ALOGV("getOutputForAttr() usage=%d, content=%d, tag=%s flags=%08x",
822 attr->usage, attr->content_type, attr->tags, attr->flags);
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700823
824 // TODO this is where filtering for custom policies (rerouting, dynamic sources) will go
825 routing_strategy strategy = (routing_strategy) getStrategyForAttr(attr);
826 audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
Eric Laurent93c3d412014-08-01 14:48:35 -0700827
828 if ((attr->flags & AUDIO_FLAG_HW_AV_SYNC) != 0) {
829 flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC);
830 }
831
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700832 ALOGV("getOutputForAttr() device %d, samplingRate %d, format %x, channelMask %x, flags %x",
833 device, samplingRate, format, channelMask, flags);
834
835 audio_stream_type_t stream = streamTypefromAttributesInt(attr);
836 return getOutputForDevice(device, stream, samplingRate, format, channelMask, flags,
837 offloadInfo);
838}
839
840audio_io_handle_t AudioPolicyManager::getOutputForDevice(
841 audio_devices_t device,
842 audio_stream_type_t stream,
843 uint32_t samplingRate,
844 audio_format_t format,
845 audio_channel_mask_t channelMask,
846 audio_output_flags_t flags,
847 const audio_offload_info_t *offloadInfo)
848{
Eric Laurentcf2c0212014-07-25 16:20:43 -0700849 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700850 uint32_t latency = 0;
Eric Laurentcf2c0212014-07-25 16:20:43 -0700851 status_t status;
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -0700852
Eric Laurente552edb2014-03-10 17:42:56 -0700853#ifdef AUDIO_POLICY_TEST
854 if (mCurOutput != 0) {
855 ALOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channelMask %x, mDirectOutput %d",
856 mCurOutput, mTestSamplingRate, mTestFormat, mTestChannels, mDirectOutput);
857
858 if (mTestOutputs[mCurOutput] == 0) {
859 ALOGV("getOutput() opening test output");
Eric Laurent1f2f2232014-06-02 12:01:23 -0700860 sp<AudioOutputDescriptor> outputDesc = new AudioOutputDescriptor(NULL);
Eric Laurente552edb2014-03-10 17:42:56 -0700861 outputDesc->mDevice = mTestDevice;
Eric Laurente552edb2014-03-10 17:42:56 -0700862 outputDesc->mLatency = mTestLatencyMs;
Eric Laurent3b73df72014-03-11 09:06:29 -0700863 outputDesc->mFlags =
864 (audio_output_flags_t)(mDirectOutput ? AUDIO_OUTPUT_FLAG_DIRECT : 0);
Eric Laurente552edb2014-03-10 17:42:56 -0700865 outputDesc->mRefCount[stream] = 0;
Eric Laurentcf2c0212014-07-25 16:20:43 -0700866 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
867 config.sample_rate = mTestSamplingRate;
868 config.channel_mask = mTestChannels;
869 config.format = mTestFormat;
Phil Burk77cce802014-08-04 16:18:15 -0700870 if (offloadInfo != NULL) {
871 config.offload_info = *offloadInfo;
872 }
Eric Laurentcf2c0212014-07-25 16:20:43 -0700873 status = mpClientInterface->openOutput(0,
874 &mTestOutputs[mCurOutput],
875 &config,
876 &outputDesc->mDevice,
877 String8(""),
878 &outputDesc->mLatency,
879 outputDesc->mFlags);
880 if (status == NO_ERROR) {
881 outputDesc->mSamplingRate = config.sample_rate;
882 outputDesc->mFormat = config.format;
883 outputDesc->mChannelMask = config.channel_mask;
Eric Laurente552edb2014-03-10 17:42:56 -0700884 AudioParameter outputCmd = AudioParameter();
885 outputCmd.addInt(String8("set_id"),mCurOutput);
886 mpClientInterface->setParameters(mTestOutputs[mCurOutput],outputCmd.toString());
887 addOutput(mTestOutputs[mCurOutput], outputDesc);
888 }
889 }
890 return mTestOutputs[mCurOutput];
891 }
892#endif //AUDIO_POLICY_TEST
893
894 // open a direct output if required by specified parameters
895 //force direct flag if offload flag is set: offloading implies a direct output stream
896 // and all common behaviors are driven by checking only the direct flag
897 // this should normally be set appropriately in the policy configuration file
898 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
Eric Laurent3b73df72014-03-11 09:06:29 -0700899 flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
Eric Laurente552edb2014-03-10 17:42:56 -0700900 }
Eric Laurent93c3d412014-08-01 14:48:35 -0700901 if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
902 flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
903 }
Eric Laurente552edb2014-03-10 17:42:56 -0700904
905 // Do not allow offloading if one non offloadable effect is enabled. This prevents from
906 // creating an offloaded track and tearing it down immediately after start when audioflinger
907 // detects there is an active non offloadable effect.
908 // FIXME: We should check the audio session here but we do not have it in this context.
909 // This may prevent offloading in rare situations where effects are left active by apps
910 // in the background.
Eric Laurent1c333e22014-05-20 10:48:17 -0700911 sp<IOProfile> profile;
Eric Laurente552edb2014-03-10 17:42:56 -0700912 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) ||
913 !isNonOffloadableEffectEnabled()) {
914 profile = getProfileForDirectOutput(device,
915 samplingRate,
916 format,
917 channelMask,
918 (audio_output_flags_t)flags);
919 }
920
Eric Laurent1c333e22014-05-20 10:48:17 -0700921 if (profile != 0) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700922 sp<AudioOutputDescriptor> outputDesc = NULL;
Eric Laurente552edb2014-03-10 17:42:56 -0700923
924 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -0700925 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -0700926 if (!desc->isDuplicated() && (profile == desc->mProfile)) {
927 outputDesc = desc;
928 // reuse direct output if currently open and configured with same parameters
929 if ((samplingRate == outputDesc->mSamplingRate) &&
930 (format == outputDesc->mFormat) &&
931 (channelMask == outputDesc->mChannelMask)) {
932 outputDesc->mDirectOpenCount++;
933 ALOGV("getOutput() reusing direct output %d", mOutputs.keyAt(i));
934 return mOutputs.keyAt(i);
935 }
936 }
937 }
938 // close direct output if currently open and configured with different parameters
939 if (outputDesc != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -0700940 closeOutput(outputDesc->mIoHandle);
Eric Laurente552edb2014-03-10 17:42:56 -0700941 }
942 outputDesc = new AudioOutputDescriptor(profile);
943 outputDesc->mDevice = device;
Eric Laurente552edb2014-03-10 17:42:56 -0700944 outputDesc->mLatency = 0;
945 outputDesc->mFlags =(audio_output_flags_t) (outputDesc->mFlags | flags);
Eric Laurentcf2c0212014-07-25 16:20:43 -0700946 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
947 config.sample_rate = samplingRate;
948 config.channel_mask = channelMask;
949 config.format = format;
Phil Burk77cce802014-08-04 16:18:15 -0700950 if (offloadInfo != NULL) {
951 config.offload_info = *offloadInfo;
952 }
Eric Laurentcf2c0212014-07-25 16:20:43 -0700953 status = mpClientInterface->openOutput(profile->mModule->mHandle,
954 &output,
955 &config,
956 &outputDesc->mDevice,
957 String8(""),
958 &outputDesc->mLatency,
959 outputDesc->mFlags);
Eric Laurente552edb2014-03-10 17:42:56 -0700960
961 // only accept an output with the requested parameters
Eric Laurentcf2c0212014-07-25 16:20:43 -0700962 if (status != NO_ERROR ||
963 (samplingRate != 0 && samplingRate != config.sample_rate) ||
964 (format != AUDIO_FORMAT_DEFAULT && format != config.format) ||
965 (channelMask != 0 && channelMask != config.channel_mask)) {
Eric Laurente552edb2014-03-10 17:42:56 -0700966 ALOGV("getOutput() failed opening direct output: output %d samplingRate %d %d,"
967 "format %d %d, channelMask %04x %04x", output, samplingRate,
968 outputDesc->mSamplingRate, format, outputDesc->mFormat, channelMask,
969 outputDesc->mChannelMask);
Eric Laurentcf2c0212014-07-25 16:20:43 -0700970 if (output != AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -0700971 mpClientInterface->closeOutput(output);
972 }
Eric Laurentcf2c0212014-07-25 16:20:43 -0700973 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -0700974 }
Eric Laurentcf2c0212014-07-25 16:20:43 -0700975 outputDesc->mSamplingRate = config.sample_rate;
976 outputDesc->mChannelMask = config.channel_mask;
977 outputDesc->mFormat = config.format;
978 outputDesc->mRefCount[stream] = 0;
979 outputDesc->mStopTime[stream] = 0;
980 outputDesc->mDirectOpenCount = 1;
981
Eric Laurente552edb2014-03-10 17:42:56 -0700982 audio_io_handle_t srcOutput = getOutputForEffect();
983 addOutput(output, outputDesc);
984 audio_io_handle_t dstOutput = getOutputForEffect();
985 if (dstOutput == output) {
986 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, srcOutput, dstOutput);
987 }
988 mPreviousOutputs = mOutputs;
989 ALOGV("getOutput() returns new direct output %d", output);
Eric Laurentb52c1522014-05-20 11:27:36 -0700990 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -0700991 return output;
992 }
993
994 // ignoring channel mask due to downmix capability in mixer
995
996 // open a non direct output
997
998 // for non direct outputs, only PCM is supported
999 if (audio_is_linear_pcm(format)) {
1000 // get which output is suitable for the specified stream. The actual
1001 // routing change will happen when startOutput() will be called
1002 SortedVector<audio_io_handle_t> outputs = getOutputsForDevice(device, mOutputs);
1003
1004 output = selectOutput(outputs, flags);
1005 }
1006 ALOGW_IF((output == 0), "getOutput() could not find output for stream %d, samplingRate %d,"
1007 "format %d, channels %x, flags %x", stream, samplingRate, format, channelMask, flags);
1008
1009 ALOGV("getOutput() returns output %d", output);
1010
1011 return output;
1012}
1013
Eric Laurente0720872014-03-11 09:30:41 -07001014audio_io_handle_t AudioPolicyManager::selectOutput(const SortedVector<audio_io_handle_t>& outputs,
Eric Laurent3b73df72014-03-11 09:06:29 -07001015 audio_output_flags_t flags)
Eric Laurente552edb2014-03-10 17:42:56 -07001016{
1017 // select one output among several that provide a path to a particular device or set of
1018 // devices (the list was previously build by getOutputsForDevice()).
1019 // The priority is as follows:
1020 // 1: the output with the highest number of requested policy flags
1021 // 2: the primary output
1022 // 3: the first output in the list
1023
1024 if (outputs.size() == 0) {
1025 return 0;
1026 }
1027 if (outputs.size() == 1) {
1028 return outputs[0];
1029 }
1030
1031 int maxCommonFlags = 0;
1032 audio_io_handle_t outputFlags = 0;
1033 audio_io_handle_t outputPrimary = 0;
1034
1035 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001036 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(outputs[i]);
Eric Laurente552edb2014-03-10 17:42:56 -07001037 if (!outputDesc->isDuplicated()) {
Eric Laurent3b73df72014-03-11 09:06:29 -07001038 int commonFlags = popcount(outputDesc->mProfile->mFlags & flags);
Eric Laurente552edb2014-03-10 17:42:56 -07001039 if (commonFlags > maxCommonFlags) {
1040 outputFlags = outputs[i];
1041 maxCommonFlags = commonFlags;
1042 ALOGV("selectOutput() commonFlags for output %d, %04x", outputs[i], commonFlags);
1043 }
1044 if (outputDesc->mProfile->mFlags & AUDIO_OUTPUT_FLAG_PRIMARY) {
1045 outputPrimary = outputs[i];
1046 }
1047 }
1048 }
1049
1050 if (outputFlags != 0) {
1051 return outputFlags;
1052 }
1053 if (outputPrimary != 0) {
1054 return outputPrimary;
1055 }
1056
1057 return outputs[0];
1058}
1059
Eric Laurente0720872014-03-11 09:30:41 -07001060status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
Eric Laurent3b73df72014-03-11 09:06:29 -07001061 audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001062 int session)
1063{
1064 ALOGV("startOutput() output %d, stream %d, session %d", output, stream, session);
1065 ssize_t index = mOutputs.indexOfKey(output);
1066 if (index < 0) {
1067 ALOGW("startOutput() unknown output %d", output);
1068 return BAD_VALUE;
1069 }
1070
Eric Laurent1f2f2232014-06-02 12:01:23 -07001071 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001072
1073 // increment usage count for this stream on the requested output:
1074 // NOTE that the usage count is the same for duplicated output and hardware output which is
1075 // necessary for a correct control of hardware output routing by startOutput() and stopOutput()
1076 outputDesc->changeRefCount(stream, 1);
1077
1078 if (outputDesc->mRefCount[stream] == 1) {
Eric Laurent1c333e22014-05-20 10:48:17 -07001079 audio_devices_t newDevice = getNewOutputDevice(output, false /*fromCache*/);
Eric Laurente552edb2014-03-10 17:42:56 -07001080 routing_strategy strategy = getStrategy(stream);
1081 bool shouldWait = (strategy == STRATEGY_SONIFICATION) ||
1082 (strategy == STRATEGY_SONIFICATION_RESPECTFUL);
1083 uint32_t waitMs = 0;
1084 bool force = false;
1085 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001086 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001087 if (desc != outputDesc) {
1088 // force a device change if any other output is managed by the same hw
1089 // module and has a current device selection that differs from selected device.
1090 // In this case, the audio HAL must receive the new device selection so that it can
1091 // change the device currently selected by the other active output.
1092 if (outputDesc->sharesHwModuleWith(desc) &&
1093 desc->device() != newDevice) {
1094 force = true;
1095 }
1096 // wait for audio on other active outputs to be presented when starting
1097 // a notification so that audio focus effect can propagate.
1098 uint32_t latency = desc->latency();
1099 if (shouldWait && desc->isActive(latency * 2) && (waitMs < latency)) {
1100 waitMs = latency;
1101 }
1102 }
1103 }
1104 uint32_t muteWaitMs = setOutputDevice(output, newDevice, force);
1105
1106 // handle special case for sonification while in call
1107 if (isInCall()) {
1108 handleIncallSonification(stream, true, false);
1109 }
1110
1111 // apply volume rules for current stream and device if necessary
1112 checkAndSetVolume(stream,
1113 mStreams[stream].getVolumeIndex(newDevice),
1114 output,
1115 newDevice);
1116
1117 // update the outputs if starting an output with a stream that can affect notification
1118 // routing
1119 handleNotificationRoutingForStream(stream);
1120 if (waitMs > muteWaitMs) {
1121 usleep((waitMs - muteWaitMs) * 2 * 1000);
1122 }
1123 }
1124 return NO_ERROR;
1125}
1126
1127
Eric Laurente0720872014-03-11 09:30:41 -07001128status_t AudioPolicyManager::stopOutput(audio_io_handle_t output,
Eric Laurent3b73df72014-03-11 09:06:29 -07001129 audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001130 int session)
1131{
1132 ALOGV("stopOutput() output %d, stream %d, session %d", output, stream, session);
1133 ssize_t index = mOutputs.indexOfKey(output);
1134 if (index < 0) {
1135 ALOGW("stopOutput() unknown output %d", output);
1136 return BAD_VALUE;
1137 }
1138
Eric Laurent1f2f2232014-06-02 12:01:23 -07001139 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001140
1141 // handle special case for sonification while in call
1142 if (isInCall()) {
1143 handleIncallSonification(stream, false, false);
1144 }
1145
1146 if (outputDesc->mRefCount[stream] > 0) {
1147 // decrement usage count of this stream on the output
1148 outputDesc->changeRefCount(stream, -1);
1149 // store time at which the stream was stopped - see isStreamActive()
1150 if (outputDesc->mRefCount[stream] == 0) {
1151 outputDesc->mStopTime[stream] = systemTime();
Eric Laurent1c333e22014-05-20 10:48:17 -07001152 audio_devices_t newDevice = getNewOutputDevice(output, false /*fromCache*/);
Eric Laurente552edb2014-03-10 17:42:56 -07001153 // delay the device switch by twice the latency because stopOutput() is executed when
1154 // the track stop() command is received and at that time the audio track buffer can
1155 // still contain data that needs to be drained. The latency only covers the audio HAL
1156 // and kernel buffers. Also the latency does not always include additional delay in the
1157 // audio path (audio DSP, CODEC ...)
1158 setOutputDevice(output, newDevice, false, outputDesc->mLatency*2);
1159
1160 // force restoring the device selection on other active outputs if it differs from the
1161 // one being selected for this output
1162 for (size_t i = 0; i < mOutputs.size(); i++) {
1163 audio_io_handle_t curOutput = mOutputs.keyAt(i);
Eric Laurent1f2f2232014-06-02 12:01:23 -07001164 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001165 if (curOutput != output &&
1166 desc->isActive() &&
1167 outputDesc->sharesHwModuleWith(desc) &&
1168 (newDevice != desc->device())) {
1169 setOutputDevice(curOutput,
Eric Laurent1c333e22014-05-20 10:48:17 -07001170 getNewOutputDevice(curOutput, false /*fromCache*/),
Eric Laurente552edb2014-03-10 17:42:56 -07001171 true,
1172 outputDesc->mLatency*2);
1173 }
1174 }
1175 // update the outputs if stopping one with a stream that can affect notification routing
1176 handleNotificationRoutingForStream(stream);
1177 }
1178 return NO_ERROR;
1179 } else {
1180 ALOGW("stopOutput() refcount is already 0 for output %d", output);
1181 return INVALID_OPERATION;
1182 }
1183}
1184
Eric Laurente0720872014-03-11 09:30:41 -07001185void AudioPolicyManager::releaseOutput(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07001186{
1187 ALOGV("releaseOutput() %d", output);
1188 ssize_t index = mOutputs.indexOfKey(output);
1189 if (index < 0) {
1190 ALOGW("releaseOutput() releasing unknown output %d", output);
1191 return;
1192 }
1193
1194#ifdef AUDIO_POLICY_TEST
1195 int testIndex = testOutputIndex(output);
1196 if (testIndex != 0) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001197 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001198 if (outputDesc->isActive()) {
1199 mpClientInterface->closeOutput(output);
Eric Laurente552edb2014-03-10 17:42:56 -07001200 mOutputs.removeItem(output);
1201 mTestOutputs[testIndex] = 0;
1202 }
1203 return;
1204 }
1205#endif //AUDIO_POLICY_TEST
1206
Eric Laurent1f2f2232014-06-02 12:01:23 -07001207 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(index);
Eric Laurent3b73df72014-03-11 09:06:29 -07001208 if (desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
Eric Laurente552edb2014-03-10 17:42:56 -07001209 if (desc->mDirectOpenCount <= 0) {
1210 ALOGW("releaseOutput() invalid open count %d for output %d",
1211 desc->mDirectOpenCount, output);
1212 return;
1213 }
1214 if (--desc->mDirectOpenCount == 0) {
1215 closeOutput(output);
1216 // If effects where present on the output, audioflinger moved them to the primary
1217 // output by default: move them back to the appropriate output.
1218 audio_io_handle_t dstOutput = getOutputForEffect();
1219 if (dstOutput != mPrimaryOutput) {
1220 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, mPrimaryOutput, dstOutput);
1221 }
Eric Laurentb52c1522014-05-20 11:27:36 -07001222 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001223 }
1224 }
1225}
1226
1227
Eric Laurente0720872014-03-11 09:30:41 -07001228audio_io_handle_t AudioPolicyManager::getInput(audio_source_t inputSource,
Eric Laurente552edb2014-03-10 17:42:56 -07001229 uint32_t samplingRate,
1230 audio_format_t format,
1231 audio_channel_mask_t channelMask,
Eric Laurent4dc68062014-07-28 17:26:49 -07001232 audio_session_t session,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001233 audio_input_flags_t flags)
Eric Laurente552edb2014-03-10 17:42:56 -07001234{
Eric Laurent4dc68062014-07-28 17:26:49 -07001235 ALOGV("getInput() inputSource %d, samplingRate %d, format %d, channelMask %x, session %d, "
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001236 "flags %#x",
Eric Laurent4dc68062014-07-28 17:26:49 -07001237 inputSource, samplingRate, format, channelMask, session, flags);
Eric Laurente552edb2014-03-10 17:42:56 -07001238
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001239 audio_devices_t device = getDeviceForInputSource(inputSource);
Eric Laurente552edb2014-03-10 17:42:56 -07001240
1241 if (device == AUDIO_DEVICE_NONE) {
1242 ALOGW("getInput() could not find device for inputSource %d", inputSource);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001243 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001244 }
1245
1246 // adapt channel selection to input source
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001247 switch (inputSource) {
Eric Laurente552edb2014-03-10 17:42:56 -07001248 case AUDIO_SOURCE_VOICE_UPLINK:
1249 channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK;
1250 break;
1251 case AUDIO_SOURCE_VOICE_DOWNLINK:
1252 channelMask = AUDIO_CHANNEL_IN_VOICE_DNLINK;
1253 break;
1254 case AUDIO_SOURCE_VOICE_CALL:
1255 channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK | AUDIO_CHANNEL_IN_VOICE_DNLINK;
1256 break;
1257 default:
1258 break;
1259 }
1260
Eric Laurent1c333e22014-05-20 10:48:17 -07001261 sp<IOProfile> profile = getInputProfile(device,
Eric Laurente552edb2014-03-10 17:42:56 -07001262 samplingRate,
1263 format,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001264 channelMask,
1265 flags);
Eric Laurent1c333e22014-05-20 10:48:17 -07001266 if (profile == 0) {
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001267 ALOGW("getInput() could not find profile for device 0x%X, samplingRate %u, format %#x, "
1268 "channelMask 0x%X, flags %#x",
1269 device, samplingRate, format, channelMask, flags);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001270 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001271 }
1272
1273 if (profile->mModule->mHandle == 0) {
1274 ALOGE("getInput(): HW module %s not opened", profile->mModule->mName);
Eric Laurentcf2c0212014-07-25 16:20:43 -07001275 return AUDIO_IO_HANDLE_NONE;
1276 }
1277
1278 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
1279 config.sample_rate = samplingRate;
1280 config.channel_mask = channelMask;
1281 config.format = format;
1282 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001283
1284 bool isSoundTrigger = false;
1285 if (inputSource == AUDIO_SOURCE_HOTWORD) {
1286 ssize_t index = mSoundTriggerSessions.indexOfKey(session);
1287 if (index >= 0) {
1288 input = mSoundTriggerSessions.valueFor(session);
1289 isSoundTrigger = true;
1290 ALOGV("SoundTrigger capture on session %d input %d", session, input);
1291 }
1292 }
1293
Eric Laurentcf2c0212014-07-25 16:20:43 -07001294 status_t status = mpClientInterface->openInput(profile->mModule->mHandle,
1295 &input,
1296 &config,
1297 &device,
1298 String8(""),
1299 inputSource,
1300 flags);
1301
1302 // only accept input with the exact requested set of parameters
1303 if (status != NO_ERROR ||
1304 (samplingRate != config.sample_rate) ||
1305 (format != config.format) ||
1306 (channelMask != config.channel_mask)) {
1307 ALOGW("getInput() failed opening input: samplingRate %d, format %d, channelMask %x",
1308 samplingRate, format, channelMask);
1309 if (input != AUDIO_IO_HANDLE_NONE) {
1310 mpClientInterface->closeInput(input);
1311 }
1312 return AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07001313 }
1314
Eric Laurent1f2f2232014-06-02 12:01:23 -07001315 sp<AudioInputDescriptor> inputDesc = new AudioInputDescriptor(profile);
Eric Laurente552edb2014-03-10 17:42:56 -07001316 inputDesc->mInputSource = inputSource;
Eric Laurentcf2c0212014-07-25 16:20:43 -07001317 inputDesc->mRefCount = 0;
1318 inputDesc->mOpenRefCount = 1;
Eric Laurente552edb2014-03-10 17:42:56 -07001319 inputDesc->mSamplingRate = samplingRate;
1320 inputDesc->mFormat = format;
1321 inputDesc->mChannelMask = channelMask;
Eric Laurentcf2c0212014-07-25 16:20:43 -07001322 inputDesc->mDevice = device;
Eric Laurent4dc68062014-07-28 17:26:49 -07001323 inputDesc->mSessions.add(session);
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001324 inputDesc->mIsSoundTrigger = isSoundTrigger;
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001325
Eric Laurentd4692962014-05-05 18:13:44 -07001326 addInput(input, inputDesc);
Eric Laurentb52c1522014-05-20 11:27:36 -07001327 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001328 return input;
1329}
1330
Eric Laurent4dc68062014-07-28 17:26:49 -07001331status_t AudioPolicyManager::startInput(audio_io_handle_t input,
1332 audio_session_t session)
Eric Laurente552edb2014-03-10 17:42:56 -07001333{
1334 ALOGV("startInput() input %d", input);
1335 ssize_t index = mInputs.indexOfKey(input);
1336 if (index < 0) {
1337 ALOGW("startInput() unknown input %d", input);
1338 return BAD_VALUE;
1339 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001340 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001341
Eric Laurent4dc68062014-07-28 17:26:49 -07001342 index = inputDesc->mSessions.indexOf(session);
1343 if (index < 0) {
1344 ALOGW("startInput() unknown session %d on input %d", session, input);
1345 return BAD_VALUE;
1346 }
1347
Glenn Kasten74a8e252014-07-24 14:09:55 -07001348 // virtual input devices are compatible with other input devices
1349 if (!isVirtualInputDevice(inputDesc->mDevice)) {
1350
1351 // for a non-virtual input device, check if there is another (non-virtual) active input
Eric Laurente552edb2014-03-10 17:42:56 -07001352 audio_io_handle_t activeInput = getActiveInput();
Glenn Kasten74a8e252014-07-24 14:09:55 -07001353 if (activeInput != 0 && activeInput != input) {
1354
1355 // If the already active input uses AUDIO_SOURCE_HOTWORD then it is closed,
1356 // otherwise the active input continues and the new input cannot be started.
Eric Laurent1f2f2232014-06-02 12:01:23 -07001357 sp<AudioInputDescriptor> activeDesc = mInputs.valueFor(activeInput);
Eric Laurente552edb2014-03-10 17:42:56 -07001358 if (activeDesc->mInputSource == AUDIO_SOURCE_HOTWORD) {
Glenn Kasten74a8e252014-07-24 14:09:55 -07001359 ALOGW("startInput(%d) preempting low-priority input %d", input, activeInput);
Eric Laurent4dc68062014-07-28 17:26:49 -07001360 stopInput(activeInput, activeDesc->mSessions.itemAt(0));
1361 releaseInput(activeInput, activeDesc->mSessions.itemAt(0));
Eric Laurente552edb2014-03-10 17:42:56 -07001362 } else {
Glenn Kasten74a8e252014-07-24 14:09:55 -07001363 ALOGE("startInput(%d) failed: other input %d already started", input, activeInput);
Eric Laurente552edb2014-03-10 17:42:56 -07001364 return INVALID_OPERATION;
1365 }
1366 }
1367 }
1368
Glenn Kasten74a8e252014-07-24 14:09:55 -07001369 if (inputDesc->mRefCount == 0) {
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001370 if (activeInputsCount() == 0) {
1371 SoundTrigger::setCaptureState(true);
1372 }
Glenn Kasten74a8e252014-07-24 14:09:55 -07001373 setInputDevice(input, getNewInputDevice(input), true /* force */);
Eric Laurente552edb2014-03-10 17:42:56 -07001374
Glenn Kasten74a8e252014-07-24 14:09:55 -07001375 // Automatically enable the remote submix output when input is started.
1376 // For remote submix (a virtual device), we open only one input per capture request.
1377 if (audio_is_remote_submix_device(inputDesc->mDevice)) {
1378 setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
1379 AUDIO_POLICY_DEVICE_STATE_AVAILABLE, AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS);
1380 }
Eric Laurente552edb2014-03-10 17:42:56 -07001381 }
1382
Eric Laurente552edb2014-03-10 17:42:56 -07001383 ALOGV("AudioPolicyManager::startInput() input source = %d", inputDesc->mInputSource);
1384
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001385 inputDesc->mRefCount++;
Eric Laurente552edb2014-03-10 17:42:56 -07001386 return NO_ERROR;
1387}
1388
Eric Laurent4dc68062014-07-28 17:26:49 -07001389status_t AudioPolicyManager::stopInput(audio_io_handle_t input,
1390 audio_session_t session)
Eric Laurente552edb2014-03-10 17:42:56 -07001391{
1392 ALOGV("stopInput() input %d", input);
1393 ssize_t index = mInputs.indexOfKey(input);
1394 if (index < 0) {
1395 ALOGW("stopInput() unknown input %d", input);
1396 return BAD_VALUE;
1397 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001398 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001399
Eric Laurent4dc68062014-07-28 17:26:49 -07001400 index = inputDesc->mSessions.indexOf(session);
1401 if (index < 0) {
1402 ALOGW("stopInput() unknown session %d on input %d", session, input);
1403 return BAD_VALUE;
1404 }
1405
Eric Laurente552edb2014-03-10 17:42:56 -07001406 if (inputDesc->mRefCount == 0) {
1407 ALOGW("stopInput() input %d already stopped", input);
1408 return INVALID_OPERATION;
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001409 }
1410
1411 inputDesc->mRefCount--;
1412 if (inputDesc->mRefCount == 0) {
1413
Eric Laurente552edb2014-03-10 17:42:56 -07001414 // automatically disable the remote submix output when input is stopped
1415 if (audio_is_remote_submix_device(inputDesc->mDevice)) {
1416 setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
Eric Laurent3b73df72014-03-11 09:06:29 -07001417 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS);
Eric Laurente552edb2014-03-10 17:42:56 -07001418 }
1419
Eric Laurent1c333e22014-05-20 10:48:17 -07001420 resetInputDevice(input);
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07001421
1422 if (activeInputsCount() == 0) {
1423 SoundTrigger::setCaptureState(false);
1424 }
Eric Laurente552edb2014-03-10 17:42:56 -07001425 }
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001426 return NO_ERROR;
Eric Laurente552edb2014-03-10 17:42:56 -07001427}
1428
Eric Laurent4dc68062014-07-28 17:26:49 -07001429void AudioPolicyManager::releaseInput(audio_io_handle_t input,
1430 audio_session_t session)
Eric Laurente552edb2014-03-10 17:42:56 -07001431{
1432 ALOGV("releaseInput() %d", input);
1433 ssize_t index = mInputs.indexOfKey(input);
1434 if (index < 0) {
1435 ALOGW("releaseInput() releasing unknown input %d", input);
1436 return;
1437 }
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001438 sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(index);
1439 ALOG_ASSERT(inputDesc != 0);
Eric Laurent4dc68062014-07-28 17:26:49 -07001440
1441 index = inputDesc->mSessions.indexOf(session);
1442 if (index < 0) {
1443 ALOGW("releaseInput() unknown session %d on input %d", session, input);
1444 return;
1445 }
1446 inputDesc->mSessions.remove(session);
Glenn Kasten6a8ab052014-07-24 14:08:35 -07001447 if (inputDesc->mOpenRefCount == 0) {
1448 ALOGW("releaseInput() invalid open ref count %d", inputDesc->mOpenRefCount);
1449 return;
1450 }
1451 inputDesc->mOpenRefCount--;
1452 if (inputDesc->mOpenRefCount > 0) {
1453 ALOGV("releaseInput() exit > 0");
1454 return;
1455 }
1456
Eric Laurente552edb2014-03-10 17:42:56 -07001457 mpClientInterface->closeInput(input);
Eric Laurente552edb2014-03-10 17:42:56 -07001458 mInputs.removeItem(input);
Eric Laurent6a94d692014-05-20 11:18:06 -07001459 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07001460 mpClientInterface->onAudioPortListUpdate();
Eric Laurente552edb2014-03-10 17:42:56 -07001461 ALOGV("releaseInput() exit");
1462}
1463
Eric Laurentd4692962014-05-05 18:13:44 -07001464void AudioPolicyManager::closeAllInputs() {
1465 for(size_t input_index = 0; input_index < mInputs.size(); input_index++) {
1466 mpClientInterface->closeInput(mInputs.keyAt(input_index));
1467 }
1468 mInputs.clear();
Eric Laurent6a94d692014-05-20 11:18:06 -07001469 nextAudioPortGeneration();
Eric Laurentd4692962014-05-05 18:13:44 -07001470}
1471
Eric Laurente0720872014-03-11 09:30:41 -07001472void AudioPolicyManager::initStreamVolume(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001473 int indexMin,
1474 int indexMax)
1475{
1476 ALOGV("initStreamVolume() stream %d, min %d, max %d", stream , indexMin, indexMax);
1477 if (indexMin < 0 || indexMin >= indexMax) {
1478 ALOGW("initStreamVolume() invalid index limits for stream %d, min %d, max %d", stream , indexMin, indexMax);
1479 return;
1480 }
1481 mStreams[stream].mIndexMin = indexMin;
1482 mStreams[stream].mIndexMax = indexMax;
1483}
1484
Eric Laurente0720872014-03-11 09:30:41 -07001485status_t AudioPolicyManager::setStreamVolumeIndex(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001486 int index,
1487 audio_devices_t device)
1488{
1489
1490 if ((index < mStreams[stream].mIndexMin) || (index > mStreams[stream].mIndexMax)) {
1491 return BAD_VALUE;
1492 }
1493 if (!audio_is_output_device(device)) {
1494 return BAD_VALUE;
1495 }
1496
1497 // Force max volume if stream cannot be muted
1498 if (!mStreams[stream].mCanBeMuted) index = mStreams[stream].mIndexMax;
1499
1500 ALOGV("setStreamVolumeIndex() stream %d, device %04x, index %d",
1501 stream, device, index);
1502
1503 // if device is AUDIO_DEVICE_OUT_DEFAULT set default value and
1504 // clear all device specific values
1505 if (device == AUDIO_DEVICE_OUT_DEFAULT) {
1506 mStreams[stream].mIndexCur.clear();
1507 }
1508 mStreams[stream].mIndexCur.add(device, index);
1509
1510 // compute and apply stream volume on all outputs according to connected device
1511 status_t status = NO_ERROR;
1512 for (size_t i = 0; i < mOutputs.size(); i++) {
1513 audio_devices_t curDevice =
1514 getDeviceForVolume(mOutputs.valueAt(i)->device());
1515 if ((device == AUDIO_DEVICE_OUT_DEFAULT) || (device == curDevice)) {
1516 status_t volStatus = checkAndSetVolume(stream, index, mOutputs.keyAt(i), curDevice);
1517 if (volStatus != NO_ERROR) {
1518 status = volStatus;
1519 }
1520 }
1521 }
1522 return status;
1523}
1524
Eric Laurente0720872014-03-11 09:30:41 -07001525status_t AudioPolicyManager::getStreamVolumeIndex(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07001526 int *index,
1527 audio_devices_t device)
1528{
1529 if (index == NULL) {
1530 return BAD_VALUE;
1531 }
1532 if (!audio_is_output_device(device)) {
1533 return BAD_VALUE;
1534 }
1535 // if device is AUDIO_DEVICE_OUT_DEFAULT, return volume for device corresponding to
1536 // the strategy the stream belongs to.
1537 if (device == AUDIO_DEVICE_OUT_DEFAULT) {
1538 device = getDeviceForStrategy(getStrategy(stream), true /*fromCache*/);
1539 }
1540 device = getDeviceForVolume(device);
1541
1542 *index = mStreams[stream].getVolumeIndex(device);
1543 ALOGV("getStreamVolumeIndex() stream %d device %08x index %d", stream, device, *index);
1544 return NO_ERROR;
1545}
1546
Eric Laurente0720872014-03-11 09:30:41 -07001547audio_io_handle_t AudioPolicyManager::selectOutputForEffects(
Eric Laurente552edb2014-03-10 17:42:56 -07001548 const SortedVector<audio_io_handle_t>& outputs)
1549{
1550 // select one output among several suitable for global effects.
1551 // The priority is as follows:
1552 // 1: An offloaded output. If the effect ends up not being offloadable,
1553 // AudioFlinger will invalidate the track and the offloaded output
1554 // will be closed causing the effect to be moved to a PCM output.
1555 // 2: A deep buffer output
1556 // 3: the first output in the list
1557
1558 if (outputs.size() == 0) {
1559 return 0;
1560 }
1561
1562 audio_io_handle_t outputOffloaded = 0;
1563 audio_io_handle_t outputDeepBuffer = 0;
1564
1565 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001566 sp<AudioOutputDescriptor> desc = mOutputs.valueFor(outputs[i]);
Eric Laurentd4692962014-05-05 18:13:44 -07001567 ALOGV("selectOutputForEffects outputs[%zu] flags %x", i, desc->mFlags);
Eric Laurente552edb2014-03-10 17:42:56 -07001568 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
1569 outputOffloaded = outputs[i];
1570 }
1571 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) != 0) {
1572 outputDeepBuffer = outputs[i];
1573 }
1574 }
1575
1576 ALOGV("selectOutputForEffects outputOffloaded %d outputDeepBuffer %d",
1577 outputOffloaded, outputDeepBuffer);
1578 if (outputOffloaded != 0) {
1579 return outputOffloaded;
1580 }
1581 if (outputDeepBuffer != 0) {
1582 return outputDeepBuffer;
1583 }
1584
1585 return outputs[0];
1586}
1587
Eric Laurente0720872014-03-11 09:30:41 -07001588audio_io_handle_t AudioPolicyManager::getOutputForEffect(const effect_descriptor_t *desc)
Eric Laurente552edb2014-03-10 17:42:56 -07001589{
1590 // apply simple rule where global effects are attached to the same output as MUSIC streams
1591
Eric Laurent3b73df72014-03-11 09:06:29 -07001592 routing_strategy strategy = getStrategy(AUDIO_STREAM_MUSIC);
Eric Laurente552edb2014-03-10 17:42:56 -07001593 audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
1594 SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevice(device, mOutputs);
1595
1596 audio_io_handle_t output = selectOutputForEffects(dstOutputs);
1597 ALOGV("getOutputForEffect() got output %d for fx %s flags %x",
1598 output, (desc == NULL) ? "unspecified" : desc->name, (desc == NULL) ? 0 : desc->flags);
1599
1600 return output;
1601}
1602
Eric Laurente0720872014-03-11 09:30:41 -07001603status_t AudioPolicyManager::registerEffect(const effect_descriptor_t *desc,
Eric Laurente552edb2014-03-10 17:42:56 -07001604 audio_io_handle_t io,
1605 uint32_t strategy,
1606 int session,
1607 int id)
1608{
1609 ssize_t index = mOutputs.indexOfKey(io);
1610 if (index < 0) {
1611 index = mInputs.indexOfKey(io);
1612 if (index < 0) {
1613 ALOGW("registerEffect() unknown io %d", io);
1614 return INVALID_OPERATION;
1615 }
1616 }
1617
1618 if (mTotalEffectsMemory + desc->memoryUsage > getMaxEffectsMemory()) {
1619 ALOGW("registerEffect() memory limit exceeded for Fx %s, Memory %d KB",
1620 desc->name, desc->memoryUsage);
1621 return INVALID_OPERATION;
1622 }
1623 mTotalEffectsMemory += desc->memoryUsage;
1624 ALOGV("registerEffect() effect %s, io %d, strategy %d session %d id %d",
1625 desc->name, io, strategy, session, id);
1626 ALOGV("registerEffect() memory %d, total memory %d", desc->memoryUsage, mTotalEffectsMemory);
1627
Eric Laurent1f2f2232014-06-02 12:01:23 -07001628 sp<EffectDescriptor> effectDesc = new EffectDescriptor();
1629 memcpy (&effectDesc->mDesc, desc, sizeof(effect_descriptor_t));
1630 effectDesc->mIo = io;
1631 effectDesc->mStrategy = (routing_strategy)strategy;
1632 effectDesc->mSession = session;
1633 effectDesc->mEnabled = false;
Eric Laurente552edb2014-03-10 17:42:56 -07001634
Eric Laurent1f2f2232014-06-02 12:01:23 -07001635 mEffects.add(id, effectDesc);
Eric Laurente552edb2014-03-10 17:42:56 -07001636
1637 return NO_ERROR;
1638}
1639
Eric Laurente0720872014-03-11 09:30:41 -07001640status_t AudioPolicyManager::unregisterEffect(int id)
Eric Laurente552edb2014-03-10 17:42:56 -07001641{
1642 ssize_t index = mEffects.indexOfKey(id);
1643 if (index < 0) {
1644 ALOGW("unregisterEffect() unknown effect ID %d", id);
1645 return INVALID_OPERATION;
1646 }
1647
Eric Laurent1f2f2232014-06-02 12:01:23 -07001648 sp<EffectDescriptor> effectDesc = mEffects.valueAt(index);
Eric Laurente552edb2014-03-10 17:42:56 -07001649
Eric Laurent1f2f2232014-06-02 12:01:23 -07001650 setEffectEnabled(effectDesc, false);
Eric Laurente552edb2014-03-10 17:42:56 -07001651
Eric Laurent1f2f2232014-06-02 12:01:23 -07001652 if (mTotalEffectsMemory < effectDesc->mDesc.memoryUsage) {
Eric Laurente552edb2014-03-10 17:42:56 -07001653 ALOGW("unregisterEffect() memory %d too big for total %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001654 effectDesc->mDesc.memoryUsage, mTotalEffectsMemory);
1655 effectDesc->mDesc.memoryUsage = mTotalEffectsMemory;
Eric Laurente552edb2014-03-10 17:42:56 -07001656 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001657 mTotalEffectsMemory -= effectDesc->mDesc.memoryUsage;
Eric Laurente552edb2014-03-10 17:42:56 -07001658 ALOGV("unregisterEffect() effect %s, ID %d, memory %d total memory %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001659 effectDesc->mDesc.name, id, effectDesc->mDesc.memoryUsage, mTotalEffectsMemory);
Eric Laurente552edb2014-03-10 17:42:56 -07001660
1661 mEffects.removeItem(id);
Eric Laurente552edb2014-03-10 17:42:56 -07001662
1663 return NO_ERROR;
1664}
1665
Eric Laurente0720872014-03-11 09:30:41 -07001666status_t AudioPolicyManager::setEffectEnabled(int id, bool enabled)
Eric Laurente552edb2014-03-10 17:42:56 -07001667{
1668 ssize_t index = mEffects.indexOfKey(id);
1669 if (index < 0) {
1670 ALOGW("unregisterEffect() unknown effect ID %d", id);
1671 return INVALID_OPERATION;
1672 }
1673
1674 return setEffectEnabled(mEffects.valueAt(index), enabled);
1675}
1676
Eric Laurent1f2f2232014-06-02 12:01:23 -07001677status_t AudioPolicyManager::setEffectEnabled(const sp<EffectDescriptor>& effectDesc, bool enabled)
Eric Laurente552edb2014-03-10 17:42:56 -07001678{
Eric Laurent1f2f2232014-06-02 12:01:23 -07001679 if (enabled == effectDesc->mEnabled) {
Eric Laurente552edb2014-03-10 17:42:56 -07001680 ALOGV("setEffectEnabled(%s) effect already %s",
1681 enabled?"true":"false", enabled?"enabled":"disabled");
1682 return INVALID_OPERATION;
1683 }
1684
1685 if (enabled) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001686 if (mTotalEffectsCpuLoad + effectDesc->mDesc.cpuLoad > getMaxEffectsCpuLoad()) {
Eric Laurente552edb2014-03-10 17:42:56 -07001687 ALOGW("setEffectEnabled(true) CPU Load limit exceeded for Fx %s, CPU %f MIPS",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001688 effectDesc->mDesc.name, (float)effectDesc->mDesc.cpuLoad/10);
Eric Laurente552edb2014-03-10 17:42:56 -07001689 return INVALID_OPERATION;
1690 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001691 mTotalEffectsCpuLoad += effectDesc->mDesc.cpuLoad;
Eric Laurente552edb2014-03-10 17:42:56 -07001692 ALOGV("setEffectEnabled(true) total CPU %d", mTotalEffectsCpuLoad);
1693 } else {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001694 if (mTotalEffectsCpuLoad < effectDesc->mDesc.cpuLoad) {
Eric Laurente552edb2014-03-10 17:42:56 -07001695 ALOGW("setEffectEnabled(false) CPU load %d too high for total %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001696 effectDesc->mDesc.cpuLoad, mTotalEffectsCpuLoad);
1697 effectDesc->mDesc.cpuLoad = mTotalEffectsCpuLoad;
Eric Laurente552edb2014-03-10 17:42:56 -07001698 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001699 mTotalEffectsCpuLoad -= effectDesc->mDesc.cpuLoad;
Eric Laurente552edb2014-03-10 17:42:56 -07001700 ALOGV("setEffectEnabled(false) total CPU %d", mTotalEffectsCpuLoad);
1701 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07001702 effectDesc->mEnabled = enabled;
Eric Laurente552edb2014-03-10 17:42:56 -07001703 return NO_ERROR;
1704}
1705
Eric Laurente0720872014-03-11 09:30:41 -07001706bool AudioPolicyManager::isNonOffloadableEffectEnabled()
Eric Laurente552edb2014-03-10 17:42:56 -07001707{
1708 for (size_t i = 0; i < mEffects.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001709 sp<EffectDescriptor> effectDesc = mEffects.valueAt(i);
1710 if (effectDesc->mEnabled && (effectDesc->mStrategy == STRATEGY_MEDIA) &&
1711 ((effectDesc->mDesc.flags & EFFECT_FLAG_OFFLOAD_SUPPORTED) == 0)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001712 ALOGV("isNonOffloadableEffectEnabled() non offloadable effect %s enabled on session %d",
Eric Laurent1f2f2232014-06-02 12:01:23 -07001713 effectDesc->mDesc.name, effectDesc->mSession);
Eric Laurente552edb2014-03-10 17:42:56 -07001714 return true;
1715 }
1716 }
1717 return false;
1718}
1719
Eric Laurente0720872014-03-11 09:30:41 -07001720bool AudioPolicyManager::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
Eric Laurente552edb2014-03-10 17:42:56 -07001721{
1722 nsecs_t sysTime = systemTime();
1723 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001724 const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Eric Laurent3b73df72014-03-11 09:06:29 -07001725 if (outputDesc->isStreamActive(stream, inPastMs, sysTime)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001726 return true;
1727 }
1728 }
1729 return false;
1730}
1731
Eric Laurente0720872014-03-11 09:30:41 -07001732bool AudioPolicyManager::isStreamActiveRemotely(audio_stream_type_t stream,
Eric Laurent3b73df72014-03-11 09:06:29 -07001733 uint32_t inPastMs) const
Eric Laurente552edb2014-03-10 17:42:56 -07001734{
1735 nsecs_t sysTime = systemTime();
1736 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001737 const sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001738 if (((outputDesc->device() & APM_AUDIO_OUT_DEVICE_REMOTE_ALL) != 0) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07001739 outputDesc->isStreamActive(stream, inPastMs, sysTime)) {
Eric Laurente552edb2014-03-10 17:42:56 -07001740 return true;
1741 }
1742 }
1743 return false;
1744}
1745
Eric Laurente0720872014-03-11 09:30:41 -07001746bool AudioPolicyManager::isSourceActive(audio_source_t source) const
Eric Laurente552edb2014-03-10 17:42:56 -07001747{
1748 for (size_t i = 0; i < mInputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07001749 const sp<AudioInputDescriptor> inputDescriptor = mInputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07001750 if ((inputDescriptor->mInputSource == (int)source ||
Eric Laurent3b73df72014-03-11 09:06:29 -07001751 (source == AUDIO_SOURCE_VOICE_RECOGNITION &&
Eric Laurente552edb2014-03-10 17:42:56 -07001752 inputDescriptor->mInputSource == AUDIO_SOURCE_HOTWORD))
1753 && (inputDescriptor->mRefCount > 0)) {
1754 return true;
1755 }
1756 }
1757 return false;
1758}
1759
1760
Eric Laurente0720872014-03-11 09:30:41 -07001761status_t AudioPolicyManager::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07001762{
1763 const size_t SIZE = 256;
1764 char buffer[SIZE];
1765 String8 result;
1766
1767 snprintf(buffer, SIZE, "\nAudioPolicyManager Dump: %p\n", this);
1768 result.append(buffer);
1769
1770 snprintf(buffer, SIZE, " Primary Output: %d\n", mPrimaryOutput);
1771 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07001772 snprintf(buffer, SIZE, " Phone state: %d\n", mPhoneState);
1773 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001774 snprintf(buffer, SIZE, " Force use for communications %d\n",
1775 mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]);
Eric Laurente552edb2014-03-10 17:42:56 -07001776 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001777 snprintf(buffer, SIZE, " Force use for media %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA]);
Eric Laurente552edb2014-03-10 17:42:56 -07001778 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001779 snprintf(buffer, SIZE, " Force use for record %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD]);
Eric Laurente552edb2014-03-10 17:42:56 -07001780 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001781 snprintf(buffer, SIZE, " Force use for dock %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_DOCK]);
Eric Laurente552edb2014-03-10 17:42:56 -07001782 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07001783 snprintf(buffer, SIZE, " Force use for system %d\n", mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM]);
Eric Laurente552edb2014-03-10 17:42:56 -07001784 result.append(buffer);
Jungshik Jang7b24ee32014-07-15 19:38:42 +09001785 snprintf(buffer, SIZE, " Force use for hdmi system audio %d\n",
1786 mForceUse[AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO]);
1787 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07001788
Eric Laurent3a4311c2014-03-17 12:00:47 -07001789 snprintf(buffer, SIZE, " Available output devices:\n");
1790 result.append(buffer);
1791 write(fd, result.string(), result.size());
Eric Laurent3a4311c2014-03-17 12:00:47 -07001792 for (size_t i = 0; i < mAvailableOutputDevices.size(); i++) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07001793 mAvailableOutputDevices[i]->dump(fd, 2, i);
Eric Laurent3a4311c2014-03-17 12:00:47 -07001794 }
1795 snprintf(buffer, SIZE, "\n Available input devices:\n");
1796 write(fd, buffer, strlen(buffer));
Eric Laurent3a4311c2014-03-17 12:00:47 -07001797 for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07001798 mAvailableInputDevices[i]->dump(fd, 2, i);
Eric Laurent3a4311c2014-03-17 12:00:47 -07001799 }
Eric Laurente552edb2014-03-10 17:42:56 -07001800
1801 snprintf(buffer, SIZE, "\nHW Modules dump:\n");
1802 write(fd, buffer, strlen(buffer));
1803 for (size_t i = 0; i < mHwModules.size(); i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07001804 snprintf(buffer, SIZE, "- HW Module %zu:\n", i + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07001805 write(fd, buffer, strlen(buffer));
1806 mHwModules[i]->dump(fd);
1807 }
1808
1809 snprintf(buffer, SIZE, "\nOutputs dump:\n");
1810 write(fd, buffer, strlen(buffer));
1811 for (size_t i = 0; i < mOutputs.size(); i++) {
1812 snprintf(buffer, SIZE, "- Output %d dump:\n", mOutputs.keyAt(i));
1813 write(fd, buffer, strlen(buffer));
1814 mOutputs.valueAt(i)->dump(fd);
1815 }
1816
1817 snprintf(buffer, SIZE, "\nInputs dump:\n");
1818 write(fd, buffer, strlen(buffer));
1819 for (size_t i = 0; i < mInputs.size(); i++) {
1820 snprintf(buffer, SIZE, "- Input %d dump:\n", mInputs.keyAt(i));
1821 write(fd, buffer, strlen(buffer));
1822 mInputs.valueAt(i)->dump(fd);
1823 }
1824
1825 snprintf(buffer, SIZE, "\nStreams dump:\n");
1826 write(fd, buffer, strlen(buffer));
1827 snprintf(buffer, SIZE,
1828 " Stream Can be muted Index Min Index Max Index Cur [device : index]...\n");
1829 write(fd, buffer, strlen(buffer));
Mark Salyzynbeb9e302014-06-18 16:33:15 -07001830 for (size_t i = 0; i < AUDIO_STREAM_CNT; i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07001831 snprintf(buffer, SIZE, " %02zu ", i);
Eric Laurente552edb2014-03-10 17:42:56 -07001832 write(fd, buffer, strlen(buffer));
1833 mStreams[i].dump(fd);
1834 }
1835
1836 snprintf(buffer, SIZE, "\nTotal Effects CPU: %f MIPS, Total Effects memory: %d KB\n",
1837 (float)mTotalEffectsCpuLoad/10, mTotalEffectsMemory);
1838 write(fd, buffer, strlen(buffer));
1839
1840 snprintf(buffer, SIZE, "Registered effects:\n");
1841 write(fd, buffer, strlen(buffer));
1842 for (size_t i = 0; i < mEffects.size(); i++) {
1843 snprintf(buffer, SIZE, "- Effect %d dump:\n", mEffects.keyAt(i));
1844 write(fd, buffer, strlen(buffer));
1845 mEffects.valueAt(i)->dump(fd);
1846 }
1847
1848
1849 return NO_ERROR;
1850}
1851
1852// This function checks for the parameters which can be offloaded.
1853// This can be enhanced depending on the capability of the DSP and policy
1854// of the system.
Eric Laurente0720872014-03-11 09:30:41 -07001855bool AudioPolicyManager::isOffloadSupported(const audio_offload_info_t& offloadInfo)
Eric Laurente552edb2014-03-10 17:42:56 -07001856{
1857 ALOGV("isOffloadSupported: SR=%u, CM=0x%x, Format=0x%x, StreamType=%d,"
Eric Laurentd4692962014-05-05 18:13:44 -07001858 " BitRate=%u, duration=%" PRId64 " us, has_video=%d",
Eric Laurente552edb2014-03-10 17:42:56 -07001859 offloadInfo.sample_rate, offloadInfo.channel_mask,
1860 offloadInfo.format,
1861 offloadInfo.stream_type, offloadInfo.bit_rate, offloadInfo.duration_us,
1862 offloadInfo.has_video);
1863
1864 // Check if offload has been disabled
1865 char propValue[PROPERTY_VALUE_MAX];
1866 if (property_get("audio.offload.disable", propValue, "0")) {
1867 if (atoi(propValue) != 0) {
1868 ALOGV("offload disabled by audio.offload.disable=%s", propValue );
1869 return false;
1870 }
1871 }
1872
1873 // Check if stream type is music, then only allow offload as of now.
1874 if (offloadInfo.stream_type != AUDIO_STREAM_MUSIC)
1875 {
1876 ALOGV("isOffloadSupported: stream_type != MUSIC, returning false");
1877 return false;
1878 }
1879
1880 //TODO: enable audio offloading with video when ready
1881 if (offloadInfo.has_video)
1882 {
1883 ALOGV("isOffloadSupported: has_video == true, returning false");
1884 return false;
1885 }
1886
1887 //If duration is less than minimum value defined in property, return false
1888 if (property_get("audio.offload.min.duration.secs", propValue, NULL)) {
1889 if (offloadInfo.duration_us < (atoi(propValue) * 1000000 )) {
1890 ALOGV("Offload denied by duration < audio.offload.min.duration.secs(=%s)", propValue);
1891 return false;
1892 }
1893 } else if (offloadInfo.duration_us < OFFLOAD_DEFAULT_MIN_DURATION_SECS * 1000000) {
1894 ALOGV("Offload denied by duration < default min(=%u)", OFFLOAD_DEFAULT_MIN_DURATION_SECS);
1895 return false;
1896 }
1897
1898 // Do not allow offloading if one non offloadable effect is enabled. This prevents from
1899 // creating an offloaded track and tearing it down immediately after start when audioflinger
1900 // detects there is an active non offloadable effect.
1901 // FIXME: We should check the audio session here but we do not have it in this context.
1902 // This may prevent offloading in rare situations where effects are left active by apps
1903 // in the background.
1904 if (isNonOffloadableEffectEnabled()) {
1905 return false;
1906 }
1907
1908 // See if there is a profile to support this.
1909 // AUDIO_DEVICE_NONE
Eric Laurent1c333e22014-05-20 10:48:17 -07001910 sp<IOProfile> profile = getProfileForDirectOutput(AUDIO_DEVICE_NONE /*ignore device */,
Eric Laurente552edb2014-03-10 17:42:56 -07001911 offloadInfo.sample_rate,
1912 offloadInfo.format,
1913 offloadInfo.channel_mask,
1914 AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD);
Eric Laurent1c333e22014-05-20 10:48:17 -07001915 ALOGV("isOffloadSupported() profile %sfound", profile != 0 ? "" : "NOT ");
1916 return (profile != 0);
Eric Laurente552edb2014-03-10 17:42:56 -07001917}
1918
Eric Laurent6a94d692014-05-20 11:18:06 -07001919status_t AudioPolicyManager::listAudioPorts(audio_port_role_t role,
1920 audio_port_type_t type,
1921 unsigned int *num_ports,
1922 struct audio_port *ports,
1923 unsigned int *generation)
1924{
1925 if (num_ports == NULL || (*num_ports != 0 && ports == NULL) ||
1926 generation == NULL) {
1927 return BAD_VALUE;
1928 }
1929 ALOGV("listAudioPorts() role %d type %d num_ports %d ports %p", role, type, *num_ports, ports);
1930 if (ports == NULL) {
1931 *num_ports = 0;
1932 }
1933
1934 size_t portsWritten = 0;
1935 size_t portsMax = *num_ports;
1936 *num_ports = 0;
1937 if (type == AUDIO_PORT_TYPE_NONE || type == AUDIO_PORT_TYPE_DEVICE) {
1938 if (role == AUDIO_PORT_ROLE_SINK || role == AUDIO_PORT_ROLE_NONE) {
1939 for (size_t i = 0;
1940 i < mAvailableOutputDevices.size() && portsWritten < portsMax; i++) {
1941 mAvailableOutputDevices[i]->toAudioPort(&ports[portsWritten++]);
1942 }
1943 *num_ports += mAvailableOutputDevices.size();
1944 }
1945 if (role == AUDIO_PORT_ROLE_SOURCE || role == AUDIO_PORT_ROLE_NONE) {
1946 for (size_t i = 0;
1947 i < mAvailableInputDevices.size() && portsWritten < portsMax; i++) {
1948 mAvailableInputDevices[i]->toAudioPort(&ports[portsWritten++]);
1949 }
1950 *num_ports += mAvailableInputDevices.size();
1951 }
1952 }
1953 if (type == AUDIO_PORT_TYPE_NONE || type == AUDIO_PORT_TYPE_MIX) {
1954 if (role == AUDIO_PORT_ROLE_SINK || role == AUDIO_PORT_ROLE_NONE) {
1955 for (size_t i = 0; i < mInputs.size() && portsWritten < portsMax; i++) {
1956 mInputs[i]->toAudioPort(&ports[portsWritten++]);
1957 }
1958 *num_ports += mInputs.size();
1959 }
1960 if (role == AUDIO_PORT_ROLE_SOURCE || role == AUDIO_PORT_ROLE_NONE) {
Eric Laurent84c70242014-06-23 08:46:27 -07001961 size_t numOutputs = 0;
1962 for (size_t i = 0; i < mOutputs.size(); i++) {
1963 if (!mOutputs[i]->isDuplicated()) {
1964 numOutputs++;
1965 if (portsWritten < portsMax) {
1966 mOutputs[i]->toAudioPort(&ports[portsWritten++]);
1967 }
1968 }
Eric Laurent6a94d692014-05-20 11:18:06 -07001969 }
Eric Laurent84c70242014-06-23 08:46:27 -07001970 *num_ports += numOutputs;
Eric Laurent6a94d692014-05-20 11:18:06 -07001971 }
1972 }
1973 *generation = curAudioPortGeneration();
Mark Salyzynbeb9e302014-06-18 16:33:15 -07001974 ALOGV("listAudioPorts() got %zu ports needed %d", portsWritten, *num_ports);
Eric Laurent6a94d692014-05-20 11:18:06 -07001975 return NO_ERROR;
1976}
1977
1978status_t AudioPolicyManager::getAudioPort(struct audio_port *port __unused)
1979{
1980 return NO_ERROR;
1981}
1982
Eric Laurent1f2f2232014-06-02 12:01:23 -07001983sp<AudioPolicyManager::AudioOutputDescriptor> AudioPolicyManager::getOutputFromId(
Eric Laurent6a94d692014-05-20 11:18:06 -07001984 audio_port_handle_t id) const
1985{
Eric Laurent1f2f2232014-06-02 12:01:23 -07001986 sp<AudioOutputDescriptor> outputDesc = NULL;
Eric Laurent6a94d692014-05-20 11:18:06 -07001987 for (size_t i = 0; i < mOutputs.size(); i++) {
1988 outputDesc = mOutputs.valueAt(i);
1989 if (outputDesc->mId == id) {
1990 break;
1991 }
1992 }
1993 return outputDesc;
1994}
1995
Eric Laurent1f2f2232014-06-02 12:01:23 -07001996sp<AudioPolicyManager::AudioInputDescriptor> AudioPolicyManager::getInputFromId(
Eric Laurent6a94d692014-05-20 11:18:06 -07001997 audio_port_handle_t id) const
1998{
Eric Laurent1f2f2232014-06-02 12:01:23 -07001999 sp<AudioInputDescriptor> inputDesc = NULL;
Eric Laurent6a94d692014-05-20 11:18:06 -07002000 for (size_t i = 0; i < mInputs.size(); i++) {
2001 inputDesc = mInputs.valueAt(i);
2002 if (inputDesc->mId == id) {
2003 break;
2004 }
2005 }
2006 return inputDesc;
2007}
2008
Eric Laurent1f2f2232014-06-02 12:01:23 -07002009sp <AudioPolicyManager::HwModule> AudioPolicyManager::getModuleForDevice(
2010 audio_devices_t device) const
Eric Laurent6a94d692014-05-20 11:18:06 -07002011{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002012 sp <HwModule> module;
2013
Eric Laurent6a94d692014-05-20 11:18:06 -07002014 for (size_t i = 0; i < mHwModules.size(); i++) {
2015 if (mHwModules[i]->mHandle == 0) {
2016 continue;
2017 }
2018 if (audio_is_output_device(device)) {
2019 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
2020 {
2021 if (mHwModules[i]->mOutputProfiles[j]->mSupportedDevices.types() & device) {
2022 return mHwModules[i];
2023 }
2024 }
2025 } else {
2026 for (size_t j = 0; j < mHwModules[i]->mInputProfiles.size(); j++) {
2027 if (mHwModules[i]->mInputProfiles[j]->mSupportedDevices.types() &
2028 device & ~AUDIO_DEVICE_BIT_IN) {
2029 return mHwModules[i];
2030 }
2031 }
2032 }
2033 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07002034 return module;
Eric Laurent6a94d692014-05-20 11:18:06 -07002035}
2036
Eric Laurent1f2f2232014-06-02 12:01:23 -07002037sp <AudioPolicyManager::HwModule> AudioPolicyManager::getModuleFromName(const char *name) const
Eric Laurent1afeecb2014-05-14 08:52:28 -07002038{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002039 sp <HwModule> module;
2040
Eric Laurent1afeecb2014-05-14 08:52:28 -07002041 for (size_t i = 0; i < mHwModules.size(); i++)
2042 {
2043 if (strcmp(mHwModules[i]->mName, name) == 0) {
2044 return mHwModules[i];
2045 }
2046 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07002047 return module;
Eric Laurent1afeecb2014-05-14 08:52:28 -07002048}
2049
Eric Laurentc2730ba2014-07-20 15:47:07 -07002050audio_devices_t AudioPolicyManager::availablePrimaryOutputDevices()
2051{
2052 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(mPrimaryOutput);
2053 audio_devices_t devices = outputDesc->mProfile->mSupportedDevices.types();
2054 return devices & mAvailableOutputDevices.types();
2055}
2056
2057audio_devices_t AudioPolicyManager::availablePrimaryInputDevices()
2058{
2059 audio_module_handle_t primaryHandle =
2060 mOutputs.valueFor(mPrimaryOutput)->mProfile->mModule->mHandle;
2061 audio_devices_t devices = AUDIO_DEVICE_NONE;
2062 for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
2063 if (mAvailableInputDevices[i]->mModule->mHandle == primaryHandle) {
2064 devices |= mAvailableInputDevices[i]->mDeviceType;
2065 }
2066 }
2067 return devices;
2068}
Eric Laurent1afeecb2014-05-14 08:52:28 -07002069
Eric Laurent6a94d692014-05-20 11:18:06 -07002070status_t AudioPolicyManager::createAudioPatch(const struct audio_patch *patch,
2071 audio_patch_handle_t *handle,
2072 uid_t uid)
2073{
2074 ALOGV("createAudioPatch()");
2075
2076 if (handle == NULL || patch == NULL) {
2077 return BAD_VALUE;
2078 }
2079 ALOGV("createAudioPatch() num sources %d num sinks %d", patch->num_sources, patch->num_sinks);
2080
2081 if (patch->num_sources > 1 || patch->num_sinks > 1) {
2082 return INVALID_OPERATION;
2083 }
2084 if (patch->sources[0].role != AUDIO_PORT_ROLE_SOURCE ||
2085 patch->sinks[0].role != AUDIO_PORT_ROLE_SINK) {
2086 return INVALID_OPERATION;
2087 }
2088
2089 sp<AudioPatch> patchDesc;
2090 ssize_t index = mAudioPatches.indexOfKey(*handle);
2091
2092 ALOGV("createAudioPatch sink id %d role %d type %d", patch->sinks[0].id, patch->sinks[0].role,
2093 patch->sinks[0].type);
2094 ALOGV("createAudioPatch source id %d role %d type %d", patch->sources[0].id,
2095 patch->sources[0].role,
2096 patch->sources[0].type);
2097
2098 if (index >= 0) {
2099 patchDesc = mAudioPatches.valueAt(index);
2100 ALOGV("createAudioPatch() mUidCached %d patchDesc->mUid %d uid %d",
2101 mUidCached, patchDesc->mUid, uid);
2102 if (patchDesc->mUid != mUidCached && uid != patchDesc->mUid) {
2103 return INVALID_OPERATION;
2104 }
2105 } else {
2106 *handle = 0;
2107 }
2108
2109 if (patch->sources[0].type == AUDIO_PORT_TYPE_MIX) {
2110 // TODO add support for mix to mix connection
2111 if (patch->sinks[0].type != AUDIO_PORT_TYPE_DEVICE) {
2112 ALOGV("createAudioPatch() source mix sink not device");
2113 return BAD_VALUE;
2114 }
2115 // output mix to output device connection
Eric Laurent1f2f2232014-06-02 12:01:23 -07002116 sp<AudioOutputDescriptor> outputDesc = getOutputFromId(patch->sources[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002117 if (outputDesc == NULL) {
2118 ALOGV("createAudioPatch() output not found for id %d", patch->sources[0].id);
2119 return BAD_VALUE;
2120 }
Eric Laurent84c70242014-06-23 08:46:27 -07002121 ALOG_ASSERT(!outputDesc->isDuplicated(),"duplicated output %d in source in ports",
2122 outputDesc->mIoHandle);
Eric Laurent6a94d692014-05-20 11:18:06 -07002123 if (patchDesc != 0) {
2124 if (patchDesc->mPatch.sources[0].id != patch->sources[0].id) {
2125 ALOGV("createAudioPatch() source id differs for patch current id %d new id %d",
2126 patchDesc->mPatch.sources[0].id, patch->sources[0].id);
2127 return BAD_VALUE;
2128 }
2129 }
2130 sp<DeviceDescriptor> devDesc =
2131 mAvailableOutputDevices.getDeviceFromId(patch->sinks[0].id);
2132 if (devDesc == 0) {
2133 ALOGV("createAudioPatch() out device not found for id %d", patch->sinks[0].id);
2134 return BAD_VALUE;
2135 }
2136
Eric Laurent84c70242014-06-23 08:46:27 -07002137 if (!outputDesc->mProfile->isCompatibleProfile(devDesc->mDeviceType,
Eric Laurent6a94d692014-05-20 11:18:06 -07002138 patch->sources[0].sample_rate,
Glenn Kastencbd48022014-07-24 13:46:44 -07002139 NULL, // updatedSamplingRate
Eric Laurent6a94d692014-05-20 11:18:06 -07002140 patch->sources[0].format,
2141 patch->sources[0].channel_mask,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002142 AUDIO_OUTPUT_FLAG_NONE /*FIXME*/)) {
Eric Laurent83b88082014-06-20 18:31:16 -07002143 ALOGV("createAudioPatch() profile not supported");
Eric Laurent6a94d692014-05-20 11:18:06 -07002144 return INVALID_OPERATION;
2145 }
2146 // TODO: reconfigure output format and channels here
2147 ALOGV("createAudioPatch() setting device %08x on output %d",
Eric Laurent84c70242014-06-23 08:46:27 -07002148 devDesc->mDeviceType, outputDesc->mIoHandle);
Eric Laurent6a94d692014-05-20 11:18:06 -07002149 setOutputDevice(outputDesc->mIoHandle,
Eric Laurent84c70242014-06-23 08:46:27 -07002150 devDesc->mDeviceType,
Eric Laurent6a94d692014-05-20 11:18:06 -07002151 true,
2152 0,
2153 handle);
2154 index = mAudioPatches.indexOfKey(*handle);
2155 if (index >= 0) {
2156 if (patchDesc != 0 && patchDesc != mAudioPatches.valueAt(index)) {
2157 ALOGW("createAudioPatch() setOutputDevice() did not reuse the patch provided");
2158 }
2159 patchDesc = mAudioPatches.valueAt(index);
2160 patchDesc->mUid = uid;
2161 ALOGV("createAudioPatch() success");
2162 } else {
2163 ALOGW("createAudioPatch() setOutputDevice() failed to create a patch");
2164 return INVALID_OPERATION;
2165 }
2166 } else if (patch->sources[0].type == AUDIO_PORT_TYPE_DEVICE) {
2167 if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
2168 // input device to input mix connection
Eric Laurent1f2f2232014-06-02 12:01:23 -07002169 sp<AudioInputDescriptor> inputDesc = getInputFromId(patch->sinks[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002170 if (inputDesc == NULL) {
2171 return BAD_VALUE;
2172 }
2173 if (patchDesc != 0) {
2174 if (patchDesc->mPatch.sinks[0].id != patch->sinks[0].id) {
2175 return BAD_VALUE;
2176 }
2177 }
2178 sp<DeviceDescriptor> devDesc =
2179 mAvailableInputDevices.getDeviceFromId(patch->sources[0].id);
2180 if (devDesc == 0) {
2181 return BAD_VALUE;
2182 }
2183
Eric Laurent84c70242014-06-23 08:46:27 -07002184 if (!inputDesc->mProfile->isCompatibleProfile(devDesc->mDeviceType,
Glenn Kastencbd48022014-07-24 13:46:44 -07002185 patch->sinks[0].sample_rate,
2186 NULL, /*updatedSampleRate*/
Eric Laurent6a94d692014-05-20 11:18:06 -07002187 patch->sinks[0].format,
2188 patch->sinks[0].channel_mask,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07002189 // FIXME for the parameter type,
2190 // and the NONE
2191 (audio_output_flags_t)
2192 AUDIO_INPUT_FLAG_NONE)) {
Eric Laurent6a94d692014-05-20 11:18:06 -07002193 return INVALID_OPERATION;
2194 }
2195 // TODO: reconfigure output format and channels here
2196 ALOGV("createAudioPatch() setting device %08x on output %d",
Eric Laurent84c70242014-06-23 08:46:27 -07002197 devDesc->mDeviceType, inputDesc->mIoHandle);
Eric Laurent6a94d692014-05-20 11:18:06 -07002198 setInputDevice(inputDesc->mIoHandle,
Eric Laurent84c70242014-06-23 08:46:27 -07002199 devDesc->mDeviceType,
Eric Laurent6a94d692014-05-20 11:18:06 -07002200 true,
2201 handle);
2202 index = mAudioPatches.indexOfKey(*handle);
2203 if (index >= 0) {
2204 if (patchDesc != 0 && patchDesc != mAudioPatches.valueAt(index)) {
2205 ALOGW("createAudioPatch() setInputDevice() did not reuse the patch provided");
2206 }
2207 patchDesc = mAudioPatches.valueAt(index);
2208 patchDesc->mUid = uid;
2209 ALOGV("createAudioPatch() success");
2210 } else {
2211 ALOGW("createAudioPatch() setInputDevice() failed to create a patch");
2212 return INVALID_OPERATION;
2213 }
2214 } else if (patch->sinks[0].type == AUDIO_PORT_TYPE_DEVICE) {
2215 // device to device connection
2216 if (patchDesc != 0) {
2217 if (patchDesc->mPatch.sources[0].id != patch->sources[0].id &&
2218 patchDesc->mPatch.sinks[0].id != patch->sinks[0].id) {
2219 return BAD_VALUE;
2220 }
2221 }
2222
2223 sp<DeviceDescriptor> srcDeviceDesc =
2224 mAvailableInputDevices.getDeviceFromId(patch->sources[0].id);
2225 sp<DeviceDescriptor> sinkDeviceDesc =
2226 mAvailableOutputDevices.getDeviceFromId(patch->sinks[0].id);
2227 if (srcDeviceDesc == 0 || sinkDeviceDesc == 0) {
2228 return BAD_VALUE;
2229 }
2230 //update source and sink with our own data as the data passed in the patch may
2231 // be incomplete.
2232 struct audio_patch newPatch = *patch;
2233 srcDeviceDesc->toAudioPortConfig(&newPatch.sources[0], &patch->sources[0]);
2234 sinkDeviceDesc->toAudioPortConfig(&newPatch.sinks[0], &patch->sinks[0]);
2235
Eric Laurent6a94d692014-05-20 11:18:06 -07002236 if (srcDeviceDesc->mModule != sinkDeviceDesc->mModule) {
Eric Laurent83b88082014-06-20 18:31:16 -07002237 SortedVector<audio_io_handle_t> outputs =
2238 getOutputsForDevice(sinkDeviceDesc->mDeviceType, mOutputs);
2239 // if the sink device is reachable via an opened output stream, request to go via
2240 // this output stream by adding a second source to the patch description
2241 audio_io_handle_t output = selectOutput(outputs, AUDIO_OUTPUT_FLAG_NONE);
2242 if (output != AUDIO_IO_HANDLE_NONE) {
2243 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
2244 if (outputDesc->isDuplicated()) {
2245 return INVALID_OPERATION;
2246 }
2247 outputDesc->toAudioPortConfig(&newPatch.sources[1], &patch->sources[0]);
2248 newPatch.num_sources = 2;
2249 }
Eric Laurent6a94d692014-05-20 11:18:06 -07002250 }
2251 // TODO: check from routing capabilities in config file and other conflicting patches
2252
2253 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
2254 if (index >= 0) {
2255 afPatchHandle = patchDesc->mAfPatchHandle;
2256 }
2257
2258 status_t status = mpClientInterface->createAudioPatch(&newPatch,
2259 &afPatchHandle,
2260 0);
2261 ALOGV("createAudioPatch() patch panel returned %d patchHandle %d",
2262 status, afPatchHandle);
2263 if (status == NO_ERROR) {
2264 if (index < 0) {
2265 patchDesc = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
2266 &newPatch, uid);
2267 addAudioPatch(patchDesc->mHandle, patchDesc);
2268 } else {
2269 patchDesc->mPatch = newPatch;
2270 }
2271 patchDesc->mAfPatchHandle = afPatchHandle;
2272 *handle = patchDesc->mHandle;
2273 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07002274 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent6a94d692014-05-20 11:18:06 -07002275 } else {
2276 ALOGW("createAudioPatch() patch panel could not connect device patch, error %d",
2277 status);
2278 return INVALID_OPERATION;
2279 }
2280 } else {
2281 return BAD_VALUE;
2282 }
2283 } else {
2284 return BAD_VALUE;
2285 }
2286 return NO_ERROR;
2287}
2288
2289status_t AudioPolicyManager::releaseAudioPatch(audio_patch_handle_t handle,
2290 uid_t uid)
2291{
2292 ALOGV("releaseAudioPatch() patch %d", handle);
2293
2294 ssize_t index = mAudioPatches.indexOfKey(handle);
2295
2296 if (index < 0) {
2297 return BAD_VALUE;
2298 }
2299 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
2300 ALOGV("releaseAudioPatch() mUidCached %d patchDesc->mUid %d uid %d",
2301 mUidCached, patchDesc->mUid, uid);
2302 if (patchDesc->mUid != mUidCached && uid != patchDesc->mUid) {
2303 return INVALID_OPERATION;
2304 }
2305
2306 struct audio_patch *patch = &patchDesc->mPatch;
2307 patchDesc->mUid = mUidCached;
2308 if (patch->sources[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002309 sp<AudioOutputDescriptor> outputDesc = getOutputFromId(patch->sources[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002310 if (outputDesc == NULL) {
2311 ALOGV("releaseAudioPatch() output not found for id %d", patch->sources[0].id);
2312 return BAD_VALUE;
2313 }
2314
2315 setOutputDevice(outputDesc->mIoHandle,
2316 getNewOutputDevice(outputDesc->mIoHandle, true /*fromCache*/),
2317 true,
2318 0,
2319 NULL);
2320 } else if (patch->sources[0].type == AUDIO_PORT_TYPE_DEVICE) {
2321 if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002322 sp<AudioInputDescriptor> inputDesc = getInputFromId(patch->sinks[0].id);
Eric Laurent6a94d692014-05-20 11:18:06 -07002323 if (inputDesc == NULL) {
2324 ALOGV("releaseAudioPatch() input not found for id %d", patch->sinks[0].id);
2325 return BAD_VALUE;
2326 }
2327 setInputDevice(inputDesc->mIoHandle,
2328 getNewInputDevice(inputDesc->mIoHandle),
2329 true,
2330 NULL);
2331 } else if (patch->sinks[0].type == AUDIO_PORT_TYPE_DEVICE) {
2332 audio_patch_handle_t afPatchHandle = patchDesc->mAfPatchHandle;
2333 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
2334 ALOGV("releaseAudioPatch() patch panel returned %d patchHandle %d",
2335 status, patchDesc->mAfPatchHandle);
2336 removeAudioPatch(patchDesc->mHandle);
2337 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07002338 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent6a94d692014-05-20 11:18:06 -07002339 } else {
2340 return BAD_VALUE;
2341 }
2342 } else {
2343 return BAD_VALUE;
2344 }
2345 return NO_ERROR;
2346}
2347
2348status_t AudioPolicyManager::listAudioPatches(unsigned int *num_patches,
2349 struct audio_patch *patches,
2350 unsigned int *generation)
2351{
2352 if (num_patches == NULL || (*num_patches != 0 && patches == NULL) ||
2353 generation == NULL) {
2354 return BAD_VALUE;
2355 }
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002356 ALOGV("listAudioPatches() num_patches %d patches %p available patches %zu",
Eric Laurent6a94d692014-05-20 11:18:06 -07002357 *num_patches, patches, mAudioPatches.size());
2358 if (patches == NULL) {
2359 *num_patches = 0;
2360 }
2361
2362 size_t patchesWritten = 0;
2363 size_t patchesMax = *num_patches;
2364 for (size_t i = 0;
2365 i < mAudioPatches.size() && patchesWritten < patchesMax; i++) {
2366 patches[patchesWritten] = mAudioPatches[i]->mPatch;
2367 patches[patchesWritten++].id = mAudioPatches[i]->mHandle;
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002368 ALOGV("listAudioPatches() patch %zu num_sources %d num_sinks %d",
Eric Laurent6a94d692014-05-20 11:18:06 -07002369 i, mAudioPatches[i]->mPatch.num_sources, mAudioPatches[i]->mPatch.num_sinks);
2370 }
2371 *num_patches = mAudioPatches.size();
2372
2373 *generation = curAudioPortGeneration();
Mark Salyzynbeb9e302014-06-18 16:33:15 -07002374 ALOGV("listAudioPatches() got %zu patches needed %d", patchesWritten, *num_patches);
Eric Laurent6a94d692014-05-20 11:18:06 -07002375 return NO_ERROR;
2376}
2377
Eric Laurente1715a42014-05-20 11:30:42 -07002378status_t AudioPolicyManager::setAudioPortConfig(const struct audio_port_config *config)
Eric Laurent6a94d692014-05-20 11:18:06 -07002379{
Eric Laurente1715a42014-05-20 11:30:42 -07002380 ALOGV("setAudioPortConfig()");
2381
2382 if (config == NULL) {
2383 return BAD_VALUE;
2384 }
2385 ALOGV("setAudioPortConfig() on port handle %d", config->id);
2386 // Only support gain configuration for now
Eric Laurenta121f902014-06-03 13:32:54 -07002387 if (config->config_mask != AUDIO_PORT_CONFIG_GAIN) {
2388 return INVALID_OPERATION;
Eric Laurente1715a42014-05-20 11:30:42 -07002389 }
2390
Eric Laurenta121f902014-06-03 13:32:54 -07002391 sp<AudioPortConfig> audioPortConfig;
Eric Laurente1715a42014-05-20 11:30:42 -07002392 if (config->type == AUDIO_PORT_TYPE_MIX) {
2393 if (config->role == AUDIO_PORT_ROLE_SOURCE) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002394 sp<AudioOutputDescriptor> outputDesc = getOutputFromId(config->id);
Eric Laurente1715a42014-05-20 11:30:42 -07002395 if (outputDesc == NULL) {
2396 return BAD_VALUE;
2397 }
Eric Laurent84c70242014-06-23 08:46:27 -07002398 ALOG_ASSERT(!outputDesc->isDuplicated(),
2399 "setAudioPortConfig() called on duplicated output %d",
2400 outputDesc->mIoHandle);
Eric Laurenta121f902014-06-03 13:32:54 -07002401 audioPortConfig = outputDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07002402 } else if (config->role == AUDIO_PORT_ROLE_SINK) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002403 sp<AudioInputDescriptor> inputDesc = getInputFromId(config->id);
Eric Laurente1715a42014-05-20 11:30:42 -07002404 if (inputDesc == NULL) {
2405 return BAD_VALUE;
2406 }
Eric Laurenta121f902014-06-03 13:32:54 -07002407 audioPortConfig = inputDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07002408 } else {
2409 return BAD_VALUE;
2410 }
2411 } else if (config->type == AUDIO_PORT_TYPE_DEVICE) {
2412 sp<DeviceDescriptor> deviceDesc;
2413 if (config->role == AUDIO_PORT_ROLE_SOURCE) {
2414 deviceDesc = mAvailableInputDevices.getDeviceFromId(config->id);
2415 } else if (config->role == AUDIO_PORT_ROLE_SINK) {
2416 deviceDesc = mAvailableOutputDevices.getDeviceFromId(config->id);
2417 } else {
2418 return BAD_VALUE;
2419 }
2420 if (deviceDesc == NULL) {
2421 return BAD_VALUE;
2422 }
Eric Laurenta121f902014-06-03 13:32:54 -07002423 audioPortConfig = deviceDesc;
Eric Laurente1715a42014-05-20 11:30:42 -07002424 } else {
2425 return BAD_VALUE;
2426 }
2427
Eric Laurenta121f902014-06-03 13:32:54 -07002428 struct audio_port_config backupConfig;
2429 status_t status = audioPortConfig->applyAudioPortConfig(config, &backupConfig);
2430 if (status == NO_ERROR) {
2431 struct audio_port_config newConfig;
2432 audioPortConfig->toAudioPortConfig(&newConfig, config);
2433 status = mpClientInterface->setAudioPortConfig(&newConfig, 0);
Eric Laurente1715a42014-05-20 11:30:42 -07002434 }
Eric Laurenta121f902014-06-03 13:32:54 -07002435 if (status != NO_ERROR) {
2436 audioPortConfig->applyAudioPortConfig(&backupConfig);
Eric Laurente1715a42014-05-20 11:30:42 -07002437 }
Eric Laurente1715a42014-05-20 11:30:42 -07002438
2439 return status;
Eric Laurent6a94d692014-05-20 11:18:06 -07002440}
2441
2442void AudioPolicyManager::clearAudioPatches(uid_t uid)
2443{
2444 for (ssize_t i = 0; i < (ssize_t)mAudioPatches.size(); i++) {
2445 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(i);
2446 if (patchDesc->mUid == uid) {
2447 // releaseAudioPatch() removes the patch from mAudioPatches
2448 if (releaseAudioPatch(mAudioPatches.keyAt(i), uid) == NO_ERROR) {
2449 i--;
2450 }
2451 }
2452 }
2453}
2454
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07002455status_t AudioPolicyManager::acquireSoundTriggerSession(audio_session_t *session,
2456 audio_io_handle_t *ioHandle,
2457 audio_devices_t *device)
2458{
2459 *session = (audio_session_t)mpClientInterface->newAudioUniqueId();
2460 *ioHandle = (audio_io_handle_t)mpClientInterface->newAudioUniqueId();
2461 *device = getDeviceForInputSource(AUDIO_SOURCE_HOTWORD);
2462
2463 mSoundTriggerSessions.add(*session, *ioHandle);
2464
2465 return NO_ERROR;
2466}
2467
2468status_t AudioPolicyManager::releaseSoundTriggerSession(audio_session_t session)
2469{
2470 ssize_t index = mSoundTriggerSessions.indexOfKey(session);
2471 if (index < 0) {
2472 ALOGW("acquireSoundTriggerSession() session %d not registered", session);
2473 return BAD_VALUE;
2474 }
2475
2476 mSoundTriggerSessions.removeItem(session);
2477 return NO_ERROR;
2478}
2479
Eric Laurent6a94d692014-05-20 11:18:06 -07002480status_t AudioPolicyManager::addAudioPatch(audio_patch_handle_t handle,
2481 const sp<AudioPatch>& patch)
2482{
2483 ssize_t index = mAudioPatches.indexOfKey(handle);
2484
2485 if (index >= 0) {
2486 ALOGW("addAudioPatch() patch %d already in", handle);
2487 return ALREADY_EXISTS;
2488 }
2489 mAudioPatches.add(handle, patch);
2490 ALOGV("addAudioPatch() handle %d af handle %d num_sources %d num_sinks %d source handle %d"
2491 "sink handle %d",
2492 handle, patch->mAfPatchHandle, patch->mPatch.num_sources, patch->mPatch.num_sinks,
2493 patch->mPatch.sources[0].id, patch->mPatch.sinks[0].id);
2494 return NO_ERROR;
2495}
2496
2497status_t AudioPolicyManager::removeAudioPatch(audio_patch_handle_t handle)
2498{
2499 ssize_t index = mAudioPatches.indexOfKey(handle);
2500
2501 if (index < 0) {
2502 ALOGW("removeAudioPatch() patch %d not in", handle);
2503 return ALREADY_EXISTS;
2504 }
2505 ALOGV("removeAudioPatch() handle %d af handle %d", handle,
2506 mAudioPatches.valueAt(index)->mAfPatchHandle);
2507 mAudioPatches.removeItemsAt(index);
2508 return NO_ERROR;
2509}
2510
Eric Laurente552edb2014-03-10 17:42:56 -07002511// ----------------------------------------------------------------------------
Eric Laurente0720872014-03-11 09:30:41 -07002512// AudioPolicyManager
Eric Laurente552edb2014-03-10 17:42:56 -07002513// ----------------------------------------------------------------------------
2514
Eric Laurent3a4311c2014-03-17 12:00:47 -07002515uint32_t AudioPolicyManager::nextUniqueId()
2516{
2517 return android_atomic_inc(&mNextUniqueId);
2518}
2519
Eric Laurent6a94d692014-05-20 11:18:06 -07002520uint32_t AudioPolicyManager::nextAudioPortGeneration()
2521{
2522 return android_atomic_inc(&mAudioPortGeneration);
2523}
2524
Eric Laurente0720872014-03-11 09:30:41 -07002525AudioPolicyManager::AudioPolicyManager(AudioPolicyClientInterface *clientInterface)
Eric Laurente552edb2014-03-10 17:42:56 -07002526 :
2527#ifdef AUDIO_POLICY_TEST
2528 Thread(false),
2529#endif //AUDIO_POLICY_TEST
2530 mPrimaryOutput((audio_io_handle_t)0),
Eric Laurent3b73df72014-03-11 09:06:29 -07002531 mPhoneState(AUDIO_MODE_NORMAL),
Eric Laurente552edb2014-03-10 17:42:56 -07002532 mLimitRingtoneVolume(false), mLastVoiceVolume(-1.0f),
2533 mTotalEffectsCpuLoad(0), mTotalEffectsMemory(0),
Eric Laurent3a4311c2014-03-17 12:00:47 -07002534 mA2dpSuspended(false),
Eric Laurent6a94d692014-05-20 11:18:06 -07002535 mSpeakerDrcEnabled(false), mNextUniqueId(1),
2536 mAudioPortGeneration(1)
Eric Laurente552edb2014-03-10 17:42:56 -07002537{
Eric Laurent6a94d692014-05-20 11:18:06 -07002538 mUidCached = getuid();
Eric Laurente552edb2014-03-10 17:42:56 -07002539 mpClientInterface = clientInterface;
2540
Eric Laurent3b73df72014-03-11 09:06:29 -07002541 for (int i = 0; i < AUDIO_POLICY_FORCE_USE_CNT; i++) {
2542 mForceUse[i] = AUDIO_POLICY_FORCE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07002543 }
2544
Eric Laurent1afeecb2014-05-14 08:52:28 -07002545 mDefaultOutputDevice = new DeviceDescriptor(String8(""), AUDIO_DEVICE_OUT_SPEAKER);
Eric Laurente552edb2014-03-10 17:42:56 -07002546 if (loadAudioPolicyConfig(AUDIO_POLICY_VENDOR_CONFIG_FILE) != NO_ERROR) {
2547 if (loadAudioPolicyConfig(AUDIO_POLICY_CONFIG_FILE) != NO_ERROR) {
2548 ALOGE("could not load audio policy configuration file, setting defaults");
2549 defaultAudioPolicyConfig();
2550 }
2551 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002552 // mAvailableOutputDevices and mAvailableInputDevices now contain all attached devices
Eric Laurente552edb2014-03-10 17:42:56 -07002553
2554 // must be done after reading the policy
2555 initializeVolumeCurves();
2556
2557 // open all output streams needed to access attached devices
Eric Laurent3a4311c2014-03-17 12:00:47 -07002558 audio_devices_t outputDeviceTypes = mAvailableOutputDevices.types();
2559 audio_devices_t inputDeviceTypes = mAvailableInputDevices.types() & ~AUDIO_DEVICE_BIT_IN;
Eric Laurente552edb2014-03-10 17:42:56 -07002560 for (size_t i = 0; i < mHwModules.size(); i++) {
2561 mHwModules[i]->mHandle = mpClientInterface->loadHwModule(mHwModules[i]->mName);
2562 if (mHwModules[i]->mHandle == 0) {
2563 ALOGW("could not open HW module %s", mHwModules[i]->mName);
2564 continue;
2565 }
2566 // open all output streams needed to access attached devices
2567 // except for direct output streams that are only opened when they are actually
2568 // required by an app.
Eric Laurent3a4311c2014-03-17 12:00:47 -07002569 // This also validates mAvailableOutputDevices list
Eric Laurente552edb2014-03-10 17:42:56 -07002570 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
2571 {
Eric Laurent1c333e22014-05-20 10:48:17 -07002572 const sp<IOProfile> outProfile = mHwModules[i]->mOutputProfiles[j];
Eric Laurente552edb2014-03-10 17:42:56 -07002573
Eric Laurent3a4311c2014-03-17 12:00:47 -07002574 if (outProfile->mSupportedDevices.isEmpty()) {
2575 ALOGW("Output profile contains no device on module %s", mHwModules[i]->mName);
2576 continue;
2577 }
2578
Eric Laurent83b88082014-06-20 18:31:16 -07002579 audio_devices_t profileType = outProfile->mSupportedDevices.types();
2580 if ((profileType & mDefaultOutputDevice->mDeviceType) != AUDIO_DEVICE_NONE) {
2581 profileType = mDefaultOutputDevice->mDeviceType;
2582 } else {
2583 profileType = outProfile->mSupportedDevices[0]->mDeviceType;
2584 }
2585 if ((profileType & outputDeviceTypes) &&
Eric Laurente552edb2014-03-10 17:42:56 -07002586 ((outProfile->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) == 0)) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002587 sp<AudioOutputDescriptor> outputDesc = new AudioOutputDescriptor(outProfile);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002588
Eric Laurent83b88082014-06-20 18:31:16 -07002589 outputDesc->mDevice = profileType;
Eric Laurentcf2c0212014-07-25 16:20:43 -07002590 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
2591 config.sample_rate = outputDesc->mSamplingRate;
2592 config.channel_mask = outputDesc->mChannelMask;
2593 config.format = outputDesc->mFormat;
2594 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
2595 status_t status = mpClientInterface->openOutput(outProfile->mModule->mHandle,
2596 &output,
2597 &config,
2598 &outputDesc->mDevice,
2599 String8(""),
2600 &outputDesc->mLatency,
2601 outputDesc->mFlags);
2602
2603 if (status != NO_ERROR) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07002604 ALOGW("Cannot open output stream for device %08x on hw module %s",
2605 outputDesc->mDevice,
2606 mHwModules[i]->mName);
Eric Laurente552edb2014-03-10 17:42:56 -07002607 } else {
Eric Laurentcf2c0212014-07-25 16:20:43 -07002608 outputDesc->mSamplingRate = config.sample_rate;
2609 outputDesc->mChannelMask = config.channel_mask;
2610 outputDesc->mFormat = config.format;
2611
Eric Laurent5b61ddd2014-05-07 09:10:01 -07002612 for (size_t k = 0; k < outProfile->mSupportedDevices.size(); k++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002613 audio_devices_t type = outProfile->mSupportedDevices[k]->mDeviceType;
Eric Laurent3a4311c2014-03-17 12:00:47 -07002614 ssize_t index =
Eric Laurent5b61ddd2014-05-07 09:10:01 -07002615 mAvailableOutputDevices.indexOf(outProfile->mSupportedDevices[k]);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002616 // give a valid ID to an attached device once confirmed it is reachable
2617 if ((index >= 0) && (mAvailableOutputDevices[index]->mId == 0)) {
2618 mAvailableOutputDevices[index]->mId = nextUniqueId();
Eric Laurent6a94d692014-05-20 11:18:06 -07002619 mAvailableOutputDevices[index]->mModule = mHwModules[i];
Eric Laurent3a4311c2014-03-17 12:00:47 -07002620 }
2621 }
Eric Laurente552edb2014-03-10 17:42:56 -07002622 if (mPrimaryOutput == 0 &&
2623 outProfile->mFlags & AUDIO_OUTPUT_FLAG_PRIMARY) {
2624 mPrimaryOutput = output;
2625 }
2626 addOutput(output, outputDesc);
2627 setOutputDevice(output,
Eric Laurent3a4311c2014-03-17 12:00:47 -07002628 outputDesc->mDevice,
Eric Laurente552edb2014-03-10 17:42:56 -07002629 true);
2630 }
2631 }
2632 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002633 // open input streams needed to access attached devices to validate
2634 // mAvailableInputDevices list
2635 for (size_t j = 0; j < mHwModules[i]->mInputProfiles.size(); j++)
2636 {
Eric Laurent1c333e22014-05-20 10:48:17 -07002637 const sp<IOProfile> inProfile = mHwModules[i]->mInputProfiles[j];
Eric Laurente552edb2014-03-10 17:42:56 -07002638
Eric Laurent3a4311c2014-03-17 12:00:47 -07002639 if (inProfile->mSupportedDevices.isEmpty()) {
2640 ALOGW("Input profile contains no device on module %s", mHwModules[i]->mName);
2641 continue;
2642 }
2643
Eric Laurent83b88082014-06-20 18:31:16 -07002644 audio_devices_t profileType = inProfile->mSupportedDevices[0]->mDeviceType;
2645 if (profileType & inputDeviceTypes) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07002646 sp<AudioInputDescriptor> inputDesc = new AudioInputDescriptor(inProfile);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002647
2648 inputDesc->mInputSource = AUDIO_SOURCE_MIC;
Eric Laurent83b88082014-06-20 18:31:16 -07002649 inputDesc->mDevice = profileType;
Eric Laurent3a4311c2014-03-17 12:00:47 -07002650
Eric Laurentcf2c0212014-07-25 16:20:43 -07002651 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
2652 config.sample_rate = inputDesc->mSamplingRate;
2653 config.channel_mask = inputDesc->mChannelMask;
2654 config.format = inputDesc->mFormat;
2655 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
2656 status_t status = mpClientInterface->openInput(inProfile->mModule->mHandle,
2657 &input,
2658 &config,
2659 &inputDesc->mDevice,
2660 String8(""),
2661 AUDIO_SOURCE_MIC,
2662 AUDIO_INPUT_FLAG_NONE);
2663
2664 if (status == NO_ERROR) {
Eric Laurent5b61ddd2014-05-07 09:10:01 -07002665 for (size_t k = 0; k < inProfile->mSupportedDevices.size(); k++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002666 audio_devices_t type = inProfile->mSupportedDevices[k]->mDeviceType;
Eric Laurent3a4311c2014-03-17 12:00:47 -07002667 ssize_t index =
Eric Laurent5b61ddd2014-05-07 09:10:01 -07002668 mAvailableInputDevices.indexOf(inProfile->mSupportedDevices[k]);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002669 // give a valid ID to an attached device once confirmed it is reachable
2670 if ((index >= 0) && (mAvailableInputDevices[index]->mId == 0)) {
2671 mAvailableInputDevices[index]->mId = nextUniqueId();
Eric Laurent6a94d692014-05-20 11:18:06 -07002672 mAvailableInputDevices[index]->mModule = mHwModules[i];
Eric Laurent3a4311c2014-03-17 12:00:47 -07002673 }
2674 }
2675 mpClientInterface->closeInput(input);
2676 } else {
2677 ALOGW("Cannot open input stream for device %08x on hw module %s",
2678 inputDesc->mDevice,
2679 mHwModules[i]->mName);
2680 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002681 }
2682 }
2683 }
2684 // make sure all attached devices have been allocated a unique ID
2685 for (size_t i = 0; i < mAvailableOutputDevices.size();) {
2686 if (mAvailableOutputDevices[i]->mId == 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002687 ALOGW("Input device %08x unreachable", mAvailableOutputDevices[i]->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002688 mAvailableOutputDevices.remove(mAvailableOutputDevices[i]);
2689 continue;
2690 }
2691 i++;
2692 }
2693 for (size_t i = 0; i < mAvailableInputDevices.size();) {
2694 if (mAvailableInputDevices[i]->mId == 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002695 ALOGW("Input device %08x unreachable", mAvailableInputDevices[i]->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002696 mAvailableInputDevices.remove(mAvailableInputDevices[i]);
2697 continue;
2698 }
2699 i++;
2700 }
2701 // make sure default device is reachable
2702 if (mAvailableOutputDevices.indexOf(mDefaultOutputDevice) < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07002703 ALOGE("Default device %08x is unreachable", mDefaultOutputDevice->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002704 }
Eric Laurente552edb2014-03-10 17:42:56 -07002705
2706 ALOGE_IF((mPrimaryOutput == 0), "Failed to open primary output");
2707
2708 updateDevicesAndOutputs();
2709
2710#ifdef AUDIO_POLICY_TEST
2711 if (mPrimaryOutput != 0) {
2712 AudioParameter outputCmd = AudioParameter();
2713 outputCmd.addInt(String8("set_id"), 0);
2714 mpClientInterface->setParameters(mPrimaryOutput, outputCmd.toString());
2715
2716 mTestDevice = AUDIO_DEVICE_OUT_SPEAKER;
2717 mTestSamplingRate = 44100;
Eric Laurent3b73df72014-03-11 09:06:29 -07002718 mTestFormat = AUDIO_FORMAT_PCM_16_BIT;
2719 mTestChannels = AUDIO_CHANNEL_OUT_STEREO;
Eric Laurente552edb2014-03-10 17:42:56 -07002720 mTestLatencyMs = 0;
2721 mCurOutput = 0;
2722 mDirectOutput = false;
2723 for (int i = 0; i < NUM_TEST_OUTPUTS; i++) {
2724 mTestOutputs[i] = 0;
2725 }
2726
2727 const size_t SIZE = 256;
2728 char buffer[SIZE];
2729 snprintf(buffer, SIZE, "AudioPolicyManagerTest");
2730 run(buffer, ANDROID_PRIORITY_AUDIO);
2731 }
2732#endif //AUDIO_POLICY_TEST
2733}
2734
Eric Laurente0720872014-03-11 09:30:41 -07002735AudioPolicyManager::~AudioPolicyManager()
Eric Laurente552edb2014-03-10 17:42:56 -07002736{
2737#ifdef AUDIO_POLICY_TEST
2738 exit();
2739#endif //AUDIO_POLICY_TEST
2740 for (size_t i = 0; i < mOutputs.size(); i++) {
2741 mpClientInterface->closeOutput(mOutputs.keyAt(i));
Eric Laurente552edb2014-03-10 17:42:56 -07002742 }
2743 for (size_t i = 0; i < mInputs.size(); i++) {
2744 mpClientInterface->closeInput(mInputs.keyAt(i));
Eric Laurente552edb2014-03-10 17:42:56 -07002745 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07002746 mAvailableOutputDevices.clear();
2747 mAvailableInputDevices.clear();
Eric Laurent1f2f2232014-06-02 12:01:23 -07002748 mOutputs.clear();
2749 mInputs.clear();
2750 mHwModules.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07002751}
2752
Eric Laurente0720872014-03-11 09:30:41 -07002753status_t AudioPolicyManager::initCheck()
Eric Laurente552edb2014-03-10 17:42:56 -07002754{
2755 return (mPrimaryOutput == 0) ? NO_INIT : NO_ERROR;
2756}
2757
2758#ifdef AUDIO_POLICY_TEST
Eric Laurente0720872014-03-11 09:30:41 -07002759bool AudioPolicyManager::threadLoop()
Eric Laurente552edb2014-03-10 17:42:56 -07002760{
2761 ALOGV("entering threadLoop()");
2762 while (!exitPending())
2763 {
2764 String8 command;
2765 int valueInt;
2766 String8 value;
2767
2768 Mutex::Autolock _l(mLock);
2769 mWaitWorkCV.waitRelative(mLock, milliseconds(50));
2770
2771 command = mpClientInterface->getParameters(0, String8("test_cmd_policy"));
2772 AudioParameter param = AudioParameter(command);
2773
2774 if (param.getInt(String8("test_cmd_policy"), valueInt) == NO_ERROR &&
2775 valueInt != 0) {
2776 ALOGV("Test command %s received", command.string());
2777 String8 target;
2778 if (param.get(String8("target"), target) != NO_ERROR) {
2779 target = "Manager";
2780 }
2781 if (param.getInt(String8("test_cmd_policy_output"), valueInt) == NO_ERROR) {
2782 param.remove(String8("test_cmd_policy_output"));
2783 mCurOutput = valueInt;
2784 }
2785 if (param.get(String8("test_cmd_policy_direct"), value) == NO_ERROR) {
2786 param.remove(String8("test_cmd_policy_direct"));
2787 if (value == "false") {
2788 mDirectOutput = false;
2789 } else if (value == "true") {
2790 mDirectOutput = true;
2791 }
2792 }
2793 if (param.getInt(String8("test_cmd_policy_input"), valueInt) == NO_ERROR) {
2794 param.remove(String8("test_cmd_policy_input"));
2795 mTestInput = valueInt;
2796 }
2797
2798 if (param.get(String8("test_cmd_policy_format"), value) == NO_ERROR) {
2799 param.remove(String8("test_cmd_policy_format"));
Eric Laurent3b73df72014-03-11 09:06:29 -07002800 int format = AUDIO_FORMAT_INVALID;
Eric Laurente552edb2014-03-10 17:42:56 -07002801 if (value == "PCM 16 bits") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002802 format = AUDIO_FORMAT_PCM_16_BIT;
Eric Laurente552edb2014-03-10 17:42:56 -07002803 } else if (value == "PCM 8 bits") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002804 format = AUDIO_FORMAT_PCM_8_BIT;
Eric Laurente552edb2014-03-10 17:42:56 -07002805 } else if (value == "Compressed MP3") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002806 format = AUDIO_FORMAT_MP3;
Eric Laurente552edb2014-03-10 17:42:56 -07002807 }
Eric Laurent3b73df72014-03-11 09:06:29 -07002808 if (format != AUDIO_FORMAT_INVALID) {
Eric Laurente552edb2014-03-10 17:42:56 -07002809 if (target == "Manager") {
2810 mTestFormat = format;
2811 } else if (mTestOutputs[mCurOutput] != 0) {
2812 AudioParameter outputParam = AudioParameter();
2813 outputParam.addInt(String8("format"), format);
2814 mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
2815 }
2816 }
2817 }
2818 if (param.get(String8("test_cmd_policy_channels"), value) == NO_ERROR) {
2819 param.remove(String8("test_cmd_policy_channels"));
2820 int channels = 0;
2821
2822 if (value == "Channels Stereo") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002823 channels = AUDIO_CHANNEL_OUT_STEREO;
Eric Laurente552edb2014-03-10 17:42:56 -07002824 } else if (value == "Channels Mono") {
Eric Laurent3b73df72014-03-11 09:06:29 -07002825 channels = AUDIO_CHANNEL_OUT_MONO;
Eric Laurente552edb2014-03-10 17:42:56 -07002826 }
2827 if (channels != 0) {
2828 if (target == "Manager") {
2829 mTestChannels = channels;
2830 } else if (mTestOutputs[mCurOutput] != 0) {
2831 AudioParameter outputParam = AudioParameter();
2832 outputParam.addInt(String8("channels"), channels);
2833 mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
2834 }
2835 }
2836 }
2837 if (param.getInt(String8("test_cmd_policy_sampleRate"), valueInt) == NO_ERROR) {
2838 param.remove(String8("test_cmd_policy_sampleRate"));
2839 if (valueInt >= 0 && valueInt <= 96000) {
2840 int samplingRate = valueInt;
2841 if (target == "Manager") {
2842 mTestSamplingRate = samplingRate;
2843 } else if (mTestOutputs[mCurOutput] != 0) {
2844 AudioParameter outputParam = AudioParameter();
2845 outputParam.addInt(String8("sampling_rate"), samplingRate);
2846 mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
2847 }
2848 }
2849 }
2850
2851 if (param.get(String8("test_cmd_policy_reopen"), value) == NO_ERROR) {
2852 param.remove(String8("test_cmd_policy_reopen"));
2853
Eric Laurent1f2f2232014-06-02 12:01:23 -07002854 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(mPrimaryOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07002855 mpClientInterface->closeOutput(mPrimaryOutput);
2856
2857 audio_module_handle_t moduleHandle = outputDesc->mModule->mHandle;
2858
Eric Laurente552edb2014-03-10 17:42:56 -07002859 mOutputs.removeItem(mPrimaryOutput);
2860
Eric Laurent1f2f2232014-06-02 12:01:23 -07002861 sp<AudioOutputDescriptor> outputDesc = new AudioOutputDescriptor(NULL);
Eric Laurente552edb2014-03-10 17:42:56 -07002862 outputDesc->mDevice = AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurentcf2c0212014-07-25 16:20:43 -07002863 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
2864 config.sample_rate = outputDesc->mSamplingRate;
2865 config.channel_mask = outputDesc->mChannelMask;
2866 config.format = outputDesc->mFormat;
2867 status_t status = mpClientInterface->openOutput(moduleHandle,
2868 &mPrimaryOutput,
2869 &config,
2870 &outputDesc->mDevice,
2871 String8(""),
2872 &outputDesc->mLatency,
2873 outputDesc->mFlags);
2874 if (status != NO_ERROR) {
2875 ALOGE("Failed to reopen hardware output stream, "
2876 "samplingRate: %d, format %d, channels %d",
2877 outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannelMask);
Eric Laurente552edb2014-03-10 17:42:56 -07002878 } else {
Eric Laurentcf2c0212014-07-25 16:20:43 -07002879 outputDesc->mSamplingRate = config.sample_rate;
2880 outputDesc->mChannelMask = config.channel_mask;
2881 outputDesc->mFormat = config.format;
Eric Laurente552edb2014-03-10 17:42:56 -07002882 AudioParameter outputCmd = AudioParameter();
2883 outputCmd.addInt(String8("set_id"), 0);
2884 mpClientInterface->setParameters(mPrimaryOutput, outputCmd.toString());
2885 addOutput(mPrimaryOutput, outputDesc);
2886 }
2887 }
2888
2889
2890 mpClientInterface->setParameters(0, String8("test_cmd_policy="));
2891 }
2892 }
2893 return false;
2894}
2895
Eric Laurente0720872014-03-11 09:30:41 -07002896void AudioPolicyManager::exit()
Eric Laurente552edb2014-03-10 17:42:56 -07002897{
2898 {
2899 AutoMutex _l(mLock);
2900 requestExit();
2901 mWaitWorkCV.signal();
2902 }
2903 requestExitAndWait();
2904}
2905
Eric Laurente0720872014-03-11 09:30:41 -07002906int AudioPolicyManager::testOutputIndex(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07002907{
2908 for (int i = 0; i < NUM_TEST_OUTPUTS; i++) {
2909 if (output == mTestOutputs[i]) return i;
2910 }
2911 return 0;
2912}
2913#endif //AUDIO_POLICY_TEST
2914
2915// ---
2916
Eric Laurent1f2f2232014-06-02 12:01:23 -07002917void AudioPolicyManager::addOutput(audio_io_handle_t output, sp<AudioOutputDescriptor> outputDesc)
Eric Laurente552edb2014-03-10 17:42:56 -07002918{
Eric Laurent1c333e22014-05-20 10:48:17 -07002919 outputDesc->mIoHandle = output;
2920 outputDesc->mId = nextUniqueId();
2921 mOutputs.add(output, outputDesc);
Eric Laurent6a94d692014-05-20 11:18:06 -07002922 nextAudioPortGeneration();
Eric Laurente552edb2014-03-10 17:42:56 -07002923}
2924
Eric Laurent1f2f2232014-06-02 12:01:23 -07002925void AudioPolicyManager::addInput(audio_io_handle_t input, sp<AudioInputDescriptor> inputDesc)
Eric Laurentd4692962014-05-05 18:13:44 -07002926{
Eric Laurent1c333e22014-05-20 10:48:17 -07002927 inputDesc->mIoHandle = input;
2928 inputDesc->mId = nextUniqueId();
2929 mInputs.add(input, inputDesc);
Eric Laurent6a94d692014-05-20 11:18:06 -07002930 nextAudioPortGeneration();
Eric Laurentd4692962014-05-05 18:13:44 -07002931}
Eric Laurente552edb2014-03-10 17:42:56 -07002932
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07002933void AudioPolicyManager::findIoHandlesByAddress(sp<AudioOutputDescriptor> desc /*in*/,
2934 const String8 address /*in*/,
2935 SortedVector<audio_io_handle_t>& outputs /*out*/) {
2936 // look for a match on the given address on the addresses of the outputs:
2937 // find the address by finding the patch that maps to this output
2938 ssize_t patchIdx = mAudioPatches.indexOfKey(desc->mPatchHandle);
2939 //ALOGV(" inspecting output %d (patch %d) for supported device=0x%x",
2940 // outputIdx, patchIdx, desc->mProfile->mSupportedDevices.types());
2941 if (patchIdx >= 0) {
2942 const sp<AudioPatch> patchDesc = mAudioPatches.valueAt(patchIdx);
2943 const int numSinks = patchDesc->mPatch.num_sinks;
2944 for (ssize_t j=0; j < numSinks; j++) {
2945 if (patchDesc->mPatch.sinks[j].type == AUDIO_PORT_TYPE_DEVICE) {
2946 const char* patchAddr =
2947 patchDesc->mPatch.sinks[j].ext.device.address;
2948 if (strncmp(patchAddr,
2949 address.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0) {
2950 ALOGV("checkOutputsForDevice(): adding opened output %d on same address %s",
2951 desc->mIoHandle, patchDesc->mPatch.sinks[j].ext.device.address);
2952 outputs.add(desc->mIoHandle);
2953 break;
2954 }
2955 }
2956 }
2957 }
2958}
2959
Eric Laurente0720872014-03-11 09:30:41 -07002960status_t AudioPolicyManager::checkOutputsForDevice(audio_devices_t device,
Eric Laurent3b73df72014-03-11 09:06:29 -07002961 audio_policy_dev_state_t state,
Eric Laurente552edb2014-03-10 17:42:56 -07002962 SortedVector<audio_io_handle_t>& outputs,
Eric Laurent3a4311c2014-03-17 12:00:47 -07002963 const String8 address)
Eric Laurente552edb2014-03-10 17:42:56 -07002964{
Eric Laurent1f2f2232014-06-02 12:01:23 -07002965 sp<AudioOutputDescriptor> desc;
Eric Laurente552edb2014-03-10 17:42:56 -07002966
Eric Laurent3b73df72014-03-11 09:06:29 -07002967 if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
Eric Laurente552edb2014-03-10 17:42:56 -07002968 // first list already open outputs that can be routed to this device
2969 for (size_t i = 0; i < mOutputs.size(); i++) {
2970 desc = mOutputs.valueAt(i);
Eric Laurent3a4311c2014-03-17 12:00:47 -07002971 if (!desc->isDuplicated() && (desc->mProfile->mSupportedDevices.types() & device)) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07002972 if (!deviceDistinguishesOnAddress(device)) {
2973 ALOGV("checkOutputsForDevice(): adding opened output %d", mOutputs.keyAt(i));
2974 outputs.add(mOutputs.keyAt(i));
2975 } else {
2976 ALOGV(" checking address match due to device 0x%x", device);
2977 findIoHandlesByAddress(desc, address, outputs);
2978 }
Eric Laurente552edb2014-03-10 17:42:56 -07002979 }
2980 }
2981 // then look for output profiles that can be routed to this device
Eric Laurent1c333e22014-05-20 10:48:17 -07002982 SortedVector< sp<IOProfile> > profiles;
Eric Laurente552edb2014-03-10 17:42:56 -07002983 for (size_t i = 0; i < mHwModules.size(); i++)
2984 {
2985 if (mHwModules[i]->mHandle == 0) {
2986 continue;
2987 }
2988 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
2989 {
Eric Laurent3a4311c2014-03-17 12:00:47 -07002990 if (mHwModules[i]->mOutputProfiles[j]->mSupportedDevices.types() & device) {
Eric Laurentd4692962014-05-05 18:13:44 -07002991 ALOGV("checkOutputsForDevice(): adding profile %zu from module %zu", j, i);
Eric Laurente552edb2014-03-10 17:42:56 -07002992 profiles.add(mHwModules[i]->mOutputProfiles[j]);
2993 }
2994 }
2995 }
2996
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07002997 ALOGV(" found %d profiles, %d outputs", profiles.size(), outputs.size());
2998
Eric Laurente552edb2014-03-10 17:42:56 -07002999 if (profiles.isEmpty() && outputs.isEmpty()) {
3000 ALOGW("checkOutputsForDevice(): No output available for device %04x", device);
3001 return BAD_VALUE;
3002 }
3003
3004 // open outputs for matching profiles if needed. Direct outputs are also opened to
3005 // query for dynamic parameters and will be closed later by setDeviceConnectionState()
3006 for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003007 sp<IOProfile> profile = profiles[profile_index];
Eric Laurente552edb2014-03-10 17:42:56 -07003008
3009 // nothing to do if one output is already opened for this profile
3010 size_t j;
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003011 for (j = 0; j < outputs.size(); j++) {
3012 desc = mOutputs.valueFor(outputs.itemAt(j));
Eric Laurente552edb2014-03-10 17:42:56 -07003013 if (!desc->isDuplicated() && desc->mProfile == profile) {
3014 break;
3015 }
3016 }
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003017 if (j != outputs.size()) {
Eric Laurente552edb2014-03-10 17:42:56 -07003018 continue;
3019 }
3020
Eric Laurent83b88082014-06-20 18:31:16 -07003021 ALOGV("opening output for device %08x with params %s profile %p",
3022 device, address.string(), profile.get());
Eric Laurente552edb2014-03-10 17:42:56 -07003023 desc = new AudioOutputDescriptor(profile);
3024 desc->mDevice = device;
Eric Laurentcf2c0212014-07-25 16:20:43 -07003025 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
3026 config.sample_rate = desc->mSamplingRate;
3027 config.channel_mask = desc->mChannelMask;
3028 config.format = desc->mFormat;
3029 config.offload_info.sample_rate = desc->mSamplingRate;
3030 config.offload_info.channel_mask = desc->mChannelMask;
3031 config.offload_info.format = desc->mFormat;
3032 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
3033 status_t status = mpClientInterface->openOutput(profile->mModule->mHandle,
3034 &output,
3035 &config,
3036 &desc->mDevice,
3037 address,
3038 &desc->mLatency,
3039 desc->mFlags);
3040 if (status == NO_ERROR) {
3041 desc->mSamplingRate = config.sample_rate;
3042 desc->mChannelMask = config.channel_mask;
3043 desc->mFormat = config.format;
Eric Laurente552edb2014-03-10 17:42:56 -07003044
Eric Laurentd4692962014-05-05 18:13:44 -07003045 // Here is where the out_set_parameters() for card & device gets called
Eric Laurent3a4311c2014-03-17 12:00:47 -07003046 if (!address.isEmpty()) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003047 char *param = audio_device_address_to_parameter(device, address);
3048 mpClientInterface->setParameters(output, String8(param));
3049 free(param);
Eric Laurente552edb2014-03-10 17:42:56 -07003050 }
3051
Eric Laurentd4692962014-05-05 18:13:44 -07003052 // Here is where we step through and resolve any "dynamic" fields
3053 String8 reply;
3054 char *value;
3055 if (profile->mSamplingRates[0] == 0) {
3056 reply = mpClientInterface->getParameters(output,
3057 String8(AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003058 ALOGV("checkOutputsForDevice() supported sampling rates %s",
Eric Laurentd4692962014-05-05 18:13:44 -07003059 reply.string());
3060 value = strpbrk((char *)reply.string(), "=");
3061 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003062 profile->loadSamplingRates(value + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07003063 }
Eric Laurentd4692962014-05-05 18:13:44 -07003064 }
3065 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3066 reply = mpClientInterface->getParameters(output,
3067 String8(AUDIO_PARAMETER_STREAM_SUP_FORMATS));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003068 ALOGV("checkOutputsForDevice() supported formats %s",
Eric Laurentd4692962014-05-05 18:13:44 -07003069 reply.string());
3070 value = strpbrk((char *)reply.string(), "=");
3071 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003072 profile->loadFormats(value + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07003073 }
Eric Laurentd4692962014-05-05 18:13:44 -07003074 }
3075 if (profile->mChannelMasks[0] == 0) {
3076 reply = mpClientInterface->getParameters(output,
3077 String8(AUDIO_PARAMETER_STREAM_SUP_CHANNELS));
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003078 ALOGV("checkOutputsForDevice() supported channel masks %s",
Eric Laurentd4692962014-05-05 18:13:44 -07003079 reply.string());
3080 value = strpbrk((char *)reply.string(), "=");
3081 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003082 profile->loadOutChannels(value + 1);
Eric Laurente552edb2014-03-10 17:42:56 -07003083 }
Eric Laurentd4692962014-05-05 18:13:44 -07003084 }
3085 if (((profile->mSamplingRates[0] == 0) &&
3086 (profile->mSamplingRates.size() < 2)) ||
3087 ((profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) &&
3088 (profile->mFormats.size() < 2)) ||
3089 ((profile->mChannelMasks[0] == 0) &&
3090 (profile->mChannelMasks.size() < 2))) {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003091 ALOGW("checkOutputsForDevice() missing param");
Eric Laurentd4692962014-05-05 18:13:44 -07003092 mpClientInterface->closeOutput(output);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003093 output = AUDIO_IO_HANDLE_NONE;
Eric Laurent1e693b52014-07-09 15:03:28 -07003094 } else if (profile->mSamplingRates[0] == 0 || profile->mFormats[0] == 0 ||
3095 profile->mChannelMasks[0] == 0) {
Eric Laurentd4692962014-05-05 18:13:44 -07003096 mpClientInterface->closeOutput(output);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003097 config.sample_rate = profile->pickSamplingRate();
3098 config.channel_mask = profile->pickChannelMask();
3099 config.format = profile->pickFormat();
3100 config.offload_info.sample_rate = config.sample_rate;
3101 config.offload_info.channel_mask = config.channel_mask;
3102 config.offload_info.format = config.format;
3103 status = mpClientInterface->openOutput(profile->mModule->mHandle,
3104 &output,
3105 &config,
3106 &desc->mDevice,
3107 address,
3108 &desc->mLatency,
3109 desc->mFlags);
3110 if (status == NO_ERROR) {
3111 desc->mSamplingRate = config.sample_rate;
3112 desc->mChannelMask = config.channel_mask;
3113 desc->mFormat = config.format;
3114 } else {
3115 output = AUDIO_IO_HANDLE_NONE;
3116 }
Eric Laurentd4692962014-05-05 18:13:44 -07003117 }
3118
Eric Laurentcf2c0212014-07-25 16:20:43 -07003119 if (output != AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07003120 addOutput(output, desc);
Eric Laurentd4692962014-05-05 18:13:44 -07003121 if ((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003122 audio_io_handle_t duplicatedOutput = AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07003123
Eric Laurentd4692962014-05-05 18:13:44 -07003124 // set initial stream volume for device
3125 applyStreamVolumes(output, device, 0, true);
Eric Laurente552edb2014-03-10 17:42:56 -07003126
Eric Laurentd4692962014-05-05 18:13:44 -07003127 //TODO: configure audio effect output stage here
3128
3129 // open a duplicating output thread for the new output and the primary output
3130 duplicatedOutput = mpClientInterface->openDuplicateOutput(output,
3131 mPrimaryOutput);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003132 if (duplicatedOutput != AUDIO_IO_HANDLE_NONE) {
Eric Laurentd4692962014-05-05 18:13:44 -07003133 // add duplicated output descriptor
Eric Laurentcf2c0212014-07-25 16:20:43 -07003134 sp<AudioOutputDescriptor> dupOutputDesc =
3135 new AudioOutputDescriptor(NULL);
Eric Laurentd4692962014-05-05 18:13:44 -07003136 dupOutputDesc->mOutput1 = mOutputs.valueFor(mPrimaryOutput);
3137 dupOutputDesc->mOutput2 = mOutputs.valueFor(output);
3138 dupOutputDesc->mSamplingRate = desc->mSamplingRate;
3139 dupOutputDesc->mFormat = desc->mFormat;
3140 dupOutputDesc->mChannelMask = desc->mChannelMask;
3141 dupOutputDesc->mLatency = desc->mLatency;
3142 addOutput(duplicatedOutput, dupOutputDesc);
3143 applyStreamVolumes(duplicatedOutput, device, 0, true);
3144 } else {
3145 ALOGW("checkOutputsForDevice() could not open dup output for %d and %d",
3146 mPrimaryOutput, output);
3147 mpClientInterface->closeOutput(output);
3148 mOutputs.removeItem(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07003149 nextAudioPortGeneration();
Eric Laurentcf2c0212014-07-25 16:20:43 -07003150 output = AUDIO_IO_HANDLE_NONE;
Eric Laurentd4692962014-05-05 18:13:44 -07003151 }
Eric Laurente552edb2014-03-10 17:42:56 -07003152 }
3153 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07003154 } else {
3155 output = AUDIO_IO_HANDLE_NONE;
Eric Laurente552edb2014-03-10 17:42:56 -07003156 }
Eric Laurentcf2c0212014-07-25 16:20:43 -07003157 if (output == AUDIO_IO_HANDLE_NONE) {
Eric Laurente552edb2014-03-10 17:42:56 -07003158 ALOGW("checkOutputsForDevice() could not open output for device %x", device);
Eric Laurente552edb2014-03-10 17:42:56 -07003159 profiles.removeAt(profile_index);
3160 profile_index--;
3161 } else {
3162 outputs.add(output);
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003163 if (deviceDistinguishesOnAddress(device)) {
3164 ALOGV("checkOutputsForDevice(): setOutputDevice(dev=0x%x, addr=%s)",
3165 device, address.string());
3166 setOutputDevice(output, device, true/*force*/, 0/*delay*/,
3167 NULL/*patch handle*/, address.string());
3168 }
Eric Laurente552edb2014-03-10 17:42:56 -07003169 ALOGV("checkOutputsForDevice(): adding output %d", output);
3170 }
3171 }
3172
3173 if (profiles.isEmpty()) {
3174 ALOGW("checkOutputsForDevice(): No output available for device %04x", device);
3175 return BAD_VALUE;
3176 }
Eric Laurentd4692962014-05-05 18:13:44 -07003177 } else { // Disconnect
Eric Laurente552edb2014-03-10 17:42:56 -07003178 // check if one opened output is not needed any more after disconnecting one device
3179 for (size_t i = 0; i < mOutputs.size(); i++) {
3180 desc = mOutputs.valueAt(i);
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07003181 if (!desc->isDuplicated()) {
3182 if (!(desc->mProfile->mSupportedDevices.types()
3183 & mAvailableOutputDevices.types())) {
3184 ALOGV("checkOutputsForDevice(): disconnecting adding output %d",
3185 mOutputs.keyAt(i));
3186 outputs.add(mOutputs.keyAt(i));
3187 } else if (deviceDistinguishesOnAddress(device) &&
3188 // exact match on device
3189 (desc->mProfile->mSupportedDevices.types() == device)) {
3190 findIoHandlesByAddress(desc, address, outputs);
3191 }
Eric Laurente552edb2014-03-10 17:42:56 -07003192 }
3193 }
Eric Laurentd4692962014-05-05 18:13:44 -07003194 // Clear any profiles associated with the disconnected device.
Eric Laurente552edb2014-03-10 17:42:56 -07003195 for (size_t i = 0; i < mHwModules.size(); i++)
3196 {
3197 if (mHwModules[i]->mHandle == 0) {
3198 continue;
3199 }
3200 for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
3201 {
Eric Laurent1c333e22014-05-20 10:48:17 -07003202 sp<IOProfile> profile = mHwModules[i]->mOutputProfiles[j];
Eric Laurentd4692962014-05-05 18:13:44 -07003203 if (profile->mSupportedDevices.types() & device) {
3204 ALOGV("checkOutputsForDevice(): "
3205 "clearing direct output profile %zu on module %zu", j, i);
Eric Laurente552edb2014-03-10 17:42:56 -07003206 if (profile->mSamplingRates[0] == 0) {
3207 profile->mSamplingRates.clear();
3208 profile->mSamplingRates.add(0);
3209 }
3210 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3211 profile->mFormats.clear();
3212 profile->mFormats.add(AUDIO_FORMAT_DEFAULT);
3213 }
3214 if (profile->mChannelMasks[0] == 0) {
3215 profile->mChannelMasks.clear();
3216 profile->mChannelMasks.add(0);
3217 }
3218 }
3219 }
3220 }
3221 }
3222 return NO_ERROR;
3223}
3224
Eric Laurentd4692962014-05-05 18:13:44 -07003225status_t AudioPolicyManager::checkInputsForDevice(audio_devices_t device,
3226 audio_policy_dev_state_t state,
3227 SortedVector<audio_io_handle_t>& inputs,
3228 const String8 address)
3229{
Eric Laurent1f2f2232014-06-02 12:01:23 -07003230 sp<AudioInputDescriptor> desc;
Eric Laurentd4692962014-05-05 18:13:44 -07003231 if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
3232 // first list already open inputs that can be routed to this device
3233 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
3234 desc = mInputs.valueAt(input_index);
3235 if (desc->mProfile->mSupportedDevices.types() & (device & ~AUDIO_DEVICE_BIT_IN)) {
3236 ALOGV("checkInputsForDevice(): adding opened input %d", mInputs.keyAt(input_index));
3237 inputs.add(mInputs.keyAt(input_index));
3238 }
3239 }
3240
3241 // then look for input profiles that can be routed to this device
Eric Laurent1c333e22014-05-20 10:48:17 -07003242 SortedVector< sp<IOProfile> > profiles;
Eric Laurentd4692962014-05-05 18:13:44 -07003243 for (size_t module_idx = 0; module_idx < mHwModules.size(); module_idx++)
3244 {
3245 if (mHwModules[module_idx]->mHandle == 0) {
3246 continue;
3247 }
3248 for (size_t profile_index = 0;
3249 profile_index < mHwModules[module_idx]->mInputProfiles.size();
3250 profile_index++)
3251 {
3252 if (mHwModules[module_idx]->mInputProfiles[profile_index]->mSupportedDevices.types()
3253 & (device & ~AUDIO_DEVICE_BIT_IN)) {
Mark Salyzynbeb9e302014-06-18 16:33:15 -07003254 ALOGV("checkInputsForDevice(): adding profile %zu from module %zu",
Eric Laurentd4692962014-05-05 18:13:44 -07003255 profile_index, module_idx);
3256 profiles.add(mHwModules[module_idx]->mInputProfiles[profile_index]);
3257 }
3258 }
3259 }
3260
3261 if (profiles.isEmpty() && inputs.isEmpty()) {
3262 ALOGW("checkInputsForDevice(): No input available for device 0x%X", device);
3263 return BAD_VALUE;
3264 }
3265
3266 // open inputs for matching profiles if needed. Direct inputs are also opened to
3267 // query for dynamic parameters and will be closed later by setDeviceConnectionState()
3268 for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
3269
Eric Laurent1c333e22014-05-20 10:48:17 -07003270 sp<IOProfile> profile = profiles[profile_index];
Eric Laurentd4692962014-05-05 18:13:44 -07003271 // nothing to do if one input is already opened for this profile
3272 size_t input_index;
3273 for (input_index = 0; input_index < mInputs.size(); input_index++) {
3274 desc = mInputs.valueAt(input_index);
3275 if (desc->mProfile == profile) {
3276 break;
3277 }
3278 }
3279 if (input_index != mInputs.size()) {
3280 continue;
3281 }
3282
3283 ALOGV("opening input for device 0x%X with params %s", device, address.string());
3284 desc = new AudioInputDescriptor(profile);
3285 desc->mDevice = device;
Eric Laurentcf2c0212014-07-25 16:20:43 -07003286 audio_config_t config = AUDIO_CONFIG_INITIALIZER;
3287 config.sample_rate = desc->mSamplingRate;
3288 config.channel_mask = desc->mChannelMask;
3289 config.format = desc->mFormat;
3290 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
3291 status_t status = mpClientInterface->openInput(profile->mModule->mHandle,
3292 &input,
3293 &config,
3294 &desc->mDevice,
3295 address,
3296 AUDIO_SOURCE_MIC,
3297 AUDIO_INPUT_FLAG_NONE /*FIXME*/);
Eric Laurentd4692962014-05-05 18:13:44 -07003298
Eric Laurentcf2c0212014-07-25 16:20:43 -07003299 if (status == NO_ERROR) {
3300 desc->mSamplingRate = config.sample_rate;
3301 desc->mChannelMask = config.channel_mask;
3302 desc->mFormat = config.format;
Eric Laurentd4692962014-05-05 18:13:44 -07003303
Eric Laurentd4692962014-05-05 18:13:44 -07003304 if (!address.isEmpty()) {
Eric Laurentcf2c0212014-07-25 16:20:43 -07003305 char *param = audio_device_address_to_parameter(device, address);
3306 mpClientInterface->setParameters(input, String8(param));
3307 free(param);
Eric Laurentd4692962014-05-05 18:13:44 -07003308 }
3309
3310 // Here is where we step through and resolve any "dynamic" fields
3311 String8 reply;
3312 char *value;
3313 if (profile->mSamplingRates[0] == 0) {
3314 reply = mpClientInterface->getParameters(input,
3315 String8(AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES));
3316 ALOGV("checkInputsForDevice() direct input sup sampling rates %s",
3317 reply.string());
3318 value = strpbrk((char *)reply.string(), "=");
3319 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003320 profile->loadSamplingRates(value + 1);
Eric Laurentd4692962014-05-05 18:13:44 -07003321 }
3322 }
3323 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3324 reply = mpClientInterface->getParameters(input,
3325 String8(AUDIO_PARAMETER_STREAM_SUP_FORMATS));
3326 ALOGV("checkInputsForDevice() direct input sup formats %s", reply.string());
3327 value = strpbrk((char *)reply.string(), "=");
3328 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003329 profile->loadFormats(value + 1);
Eric Laurentd4692962014-05-05 18:13:44 -07003330 }
3331 }
3332 if (profile->mChannelMasks[0] == 0) {
3333 reply = mpClientInterface->getParameters(input,
3334 String8(AUDIO_PARAMETER_STREAM_SUP_CHANNELS));
3335 ALOGV("checkInputsForDevice() direct input sup channel masks %s",
3336 reply.string());
3337 value = strpbrk((char *)reply.string(), "=");
3338 if (value != NULL) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003339 profile->loadInChannels(value + 1);
Eric Laurentd4692962014-05-05 18:13:44 -07003340 }
3341 }
3342 if (((profile->mSamplingRates[0] == 0) && (profile->mSamplingRates.size() < 2)) ||
3343 ((profile->mFormats[0] == 0) && (profile->mFormats.size() < 2)) ||
3344 ((profile->mChannelMasks[0] == 0) && (profile->mChannelMasks.size() < 2))) {
3345 ALOGW("checkInputsForDevice() direct input missing param");
3346 mpClientInterface->closeInput(input);
Eric Laurentcf2c0212014-07-25 16:20:43 -07003347 input = AUDIO_IO_HANDLE_NONE;
Eric Laurentd4692962014-05-05 18:13:44 -07003348 }
3349
3350 if (input != 0) {
3351 addInput(input, desc);
3352 }
3353 } // endif input != 0
3354
Eric Laurentcf2c0212014-07-25 16:20:43 -07003355 if (input == AUDIO_IO_HANDLE_NONE) {
Eric Laurentd4692962014-05-05 18:13:44 -07003356 ALOGW("checkInputsForDevice() could not open input for device 0x%X", device);
Eric Laurentd4692962014-05-05 18:13:44 -07003357 profiles.removeAt(profile_index);
3358 profile_index--;
3359 } else {
3360 inputs.add(input);
3361 ALOGV("checkInputsForDevice(): adding input %d", input);
3362 }
3363 } // end scan profiles
3364
3365 if (profiles.isEmpty()) {
3366 ALOGW("checkInputsForDevice(): No input available for device 0x%X", device);
3367 return BAD_VALUE;
3368 }
3369 } else {
3370 // Disconnect
3371 // check if one opened input is not needed any more after disconnecting one device
3372 for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
3373 desc = mInputs.valueAt(input_index);
3374 if (!(desc->mProfile->mSupportedDevices.types() & mAvailableInputDevices.types())) {
3375 ALOGV("checkInputsForDevice(): disconnecting adding input %d",
3376 mInputs.keyAt(input_index));
3377 inputs.add(mInputs.keyAt(input_index));
3378 }
3379 }
3380 // Clear any profiles associated with the disconnected device.
3381 for (size_t module_index = 0; module_index < mHwModules.size(); module_index++) {
3382 if (mHwModules[module_index]->mHandle == 0) {
3383 continue;
3384 }
3385 for (size_t profile_index = 0;
3386 profile_index < mHwModules[module_index]->mInputProfiles.size();
3387 profile_index++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07003388 sp<IOProfile> profile = mHwModules[module_index]->mInputProfiles[profile_index];
Eric Laurentd4692962014-05-05 18:13:44 -07003389 if (profile->mSupportedDevices.types() & device) {
Mark Salyzynbeb9e302014-06-18 16:33:15 -07003390 ALOGV("checkInputsForDevice(): clearing direct input profile %zu on module %zu",
Eric Laurentd4692962014-05-05 18:13:44 -07003391 profile_index, module_index);
3392 if (profile->mSamplingRates[0] == 0) {
3393 profile->mSamplingRates.clear();
3394 profile->mSamplingRates.add(0);
3395 }
3396 if (profile->mFormats[0] == AUDIO_FORMAT_DEFAULT) {
3397 profile->mFormats.clear();
3398 profile->mFormats.add(AUDIO_FORMAT_DEFAULT);
3399 }
3400 if (profile->mChannelMasks[0] == 0) {
3401 profile->mChannelMasks.clear();
3402 profile->mChannelMasks.add(0);
3403 }
3404 }
3405 }
3406 }
3407 } // end disconnect
3408
3409 return NO_ERROR;
3410}
3411
3412
Eric Laurente0720872014-03-11 09:30:41 -07003413void AudioPolicyManager::closeOutput(audio_io_handle_t output)
Eric Laurente552edb2014-03-10 17:42:56 -07003414{
3415 ALOGV("closeOutput(%d)", output);
3416
Eric Laurent1f2f2232014-06-02 12:01:23 -07003417 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07003418 if (outputDesc == NULL) {
3419 ALOGW("closeOutput() unknown output %d", output);
3420 return;
3421 }
3422
3423 // look for duplicated outputs connected to the output being removed.
3424 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003425 sp<AudioOutputDescriptor> dupOutputDesc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07003426 if (dupOutputDesc->isDuplicated() &&
3427 (dupOutputDesc->mOutput1 == outputDesc ||
3428 dupOutputDesc->mOutput2 == outputDesc)) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003429 sp<AudioOutputDescriptor> outputDesc2;
Eric Laurente552edb2014-03-10 17:42:56 -07003430 if (dupOutputDesc->mOutput1 == outputDesc) {
3431 outputDesc2 = dupOutputDesc->mOutput2;
3432 } else {
3433 outputDesc2 = dupOutputDesc->mOutput1;
3434 }
3435 // As all active tracks on duplicated output will be deleted,
3436 // and as they were also referenced on the other output, the reference
3437 // count for their stream type must be adjusted accordingly on
3438 // the other output.
Eric Laurent3b73df72014-03-11 09:06:29 -07003439 for (int j = 0; j < AUDIO_STREAM_CNT; j++) {
Eric Laurente552edb2014-03-10 17:42:56 -07003440 int refCount = dupOutputDesc->mRefCount[j];
Eric Laurent3b73df72014-03-11 09:06:29 -07003441 outputDesc2->changeRefCount((audio_stream_type_t)j,-refCount);
Eric Laurente552edb2014-03-10 17:42:56 -07003442 }
3443 audio_io_handle_t duplicatedOutput = mOutputs.keyAt(i);
3444 ALOGV("closeOutput() closing also duplicated output %d", duplicatedOutput);
3445
3446 mpClientInterface->closeOutput(duplicatedOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07003447 mOutputs.removeItem(duplicatedOutput);
3448 }
3449 }
3450
3451 AudioParameter param;
3452 param.add(String8("closing"), String8("true"));
3453 mpClientInterface->setParameters(output, param.toString());
3454
3455 mpClientInterface->closeOutput(output);
Eric Laurente552edb2014-03-10 17:42:56 -07003456 mOutputs.removeItem(output);
3457 mPreviousOutputs = mOutputs;
Eric Laurent6a94d692014-05-20 11:18:06 -07003458 nextAudioPortGeneration();
Eric Laurente552edb2014-03-10 17:42:56 -07003459}
3460
Eric Laurente0720872014-03-11 09:30:41 -07003461SortedVector<audio_io_handle_t> AudioPolicyManager::getOutputsForDevice(audio_devices_t device,
Eric Laurent1f2f2232014-06-02 12:01:23 -07003462 DefaultKeyedVector<audio_io_handle_t, sp<AudioOutputDescriptor> > openOutputs)
Eric Laurente552edb2014-03-10 17:42:56 -07003463{
3464 SortedVector<audio_io_handle_t> outputs;
3465
3466 ALOGVV("getOutputsForDevice() device %04x", device);
3467 for (size_t i = 0; i < openOutputs.size(); i++) {
3468 ALOGVV("output %d isDuplicated=%d device=%04x",
3469 i, openOutputs.valueAt(i)->isDuplicated(), openOutputs.valueAt(i)->supportedDevices());
3470 if ((device & openOutputs.valueAt(i)->supportedDevices()) == device) {
3471 ALOGVV("getOutputsForDevice() found output %d", openOutputs.keyAt(i));
3472 outputs.add(openOutputs.keyAt(i));
3473 }
3474 }
3475 return outputs;
3476}
3477
Eric Laurente0720872014-03-11 09:30:41 -07003478bool AudioPolicyManager::vectorsEqual(SortedVector<audio_io_handle_t>& outputs1,
Eric Laurente552edb2014-03-10 17:42:56 -07003479 SortedVector<audio_io_handle_t>& outputs2)
3480{
3481 if (outputs1.size() != outputs2.size()) {
3482 return false;
3483 }
3484 for (size_t i = 0; i < outputs1.size(); i++) {
3485 if (outputs1[i] != outputs2[i]) {
3486 return false;
3487 }
3488 }
3489 return true;
3490}
3491
Eric Laurente0720872014-03-11 09:30:41 -07003492void AudioPolicyManager::checkOutputForStrategy(routing_strategy strategy)
Eric Laurente552edb2014-03-10 17:42:56 -07003493{
3494 audio_devices_t oldDevice = getDeviceForStrategy(strategy, true /*fromCache*/);
3495 audio_devices_t newDevice = getDeviceForStrategy(strategy, false /*fromCache*/);
3496 SortedVector<audio_io_handle_t> srcOutputs = getOutputsForDevice(oldDevice, mPreviousOutputs);
3497 SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevice(newDevice, mOutputs);
3498
3499 if (!vectorsEqual(srcOutputs,dstOutputs)) {
3500 ALOGV("checkOutputForStrategy() strategy %d, moving from output %d to output %d",
3501 strategy, srcOutputs[0], dstOutputs[0]);
3502 // mute strategy while moving tracks from one output to another
3503 for (size_t i = 0; i < srcOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003504 sp<AudioOutputDescriptor> desc = mOutputs.valueFor(srcOutputs[i]);
Eric Laurente552edb2014-03-10 17:42:56 -07003505 if (desc->isStrategyActive(strategy)) {
3506 setStrategyMute(strategy, true, srcOutputs[i]);
3507 setStrategyMute(strategy, false, srcOutputs[i], MUTE_TIME_MS, newDevice);
3508 }
3509 }
3510
3511 // Move effects associated to this strategy from previous output to new output
3512 if (strategy == STRATEGY_MEDIA) {
3513 audio_io_handle_t fxOutput = selectOutputForEffects(dstOutputs);
3514 SortedVector<audio_io_handle_t> moved;
3515 for (size_t i = 0; i < mEffects.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003516 sp<EffectDescriptor> effectDesc = mEffects.valueAt(i);
3517 if (effectDesc->mSession == AUDIO_SESSION_OUTPUT_MIX &&
3518 effectDesc->mIo != fxOutput) {
3519 if (moved.indexOf(effectDesc->mIo) < 0) {
Eric Laurente552edb2014-03-10 17:42:56 -07003520 ALOGV("checkOutputForStrategy() moving effect %d to output %d",
3521 mEffects.keyAt(i), fxOutput);
Eric Laurent1f2f2232014-06-02 12:01:23 -07003522 mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, effectDesc->mIo,
Eric Laurente552edb2014-03-10 17:42:56 -07003523 fxOutput);
Eric Laurent1f2f2232014-06-02 12:01:23 -07003524 moved.add(effectDesc->mIo);
Eric Laurente552edb2014-03-10 17:42:56 -07003525 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07003526 effectDesc->mIo = fxOutput;
Eric Laurente552edb2014-03-10 17:42:56 -07003527 }
3528 }
3529 }
3530 // Move tracks associated to this strategy from previous output to new output
Eric Laurent3b73df72014-03-11 09:06:29 -07003531 for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
3532 if (getStrategy((audio_stream_type_t)i) == strategy) {
3533 mpClientInterface->invalidateStream((audio_stream_type_t)i);
Eric Laurente552edb2014-03-10 17:42:56 -07003534 }
3535 }
3536 }
3537}
3538
Eric Laurente0720872014-03-11 09:30:41 -07003539void AudioPolicyManager::checkOutputForAllStrategies()
Eric Laurente552edb2014-03-10 17:42:56 -07003540{
3541 checkOutputForStrategy(STRATEGY_ENFORCED_AUDIBLE);
3542 checkOutputForStrategy(STRATEGY_PHONE);
3543 checkOutputForStrategy(STRATEGY_SONIFICATION);
3544 checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
3545 checkOutputForStrategy(STRATEGY_MEDIA);
3546 checkOutputForStrategy(STRATEGY_DTMF);
3547}
3548
Eric Laurente0720872014-03-11 09:30:41 -07003549audio_io_handle_t AudioPolicyManager::getA2dpOutput()
Eric Laurente552edb2014-03-10 17:42:56 -07003550{
Eric Laurente552edb2014-03-10 17:42:56 -07003551 for (size_t i = 0; i < mOutputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003552 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07003553 if (!outputDesc->isDuplicated() && outputDesc->device() & AUDIO_DEVICE_OUT_ALL_A2DP) {
3554 return mOutputs.keyAt(i);
3555 }
3556 }
3557
3558 return 0;
3559}
3560
Eric Laurente0720872014-03-11 09:30:41 -07003561void AudioPolicyManager::checkA2dpSuspend()
Eric Laurente552edb2014-03-10 17:42:56 -07003562{
Eric Laurente552edb2014-03-10 17:42:56 -07003563 audio_io_handle_t a2dpOutput = getA2dpOutput();
3564 if (a2dpOutput == 0) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003565 mA2dpSuspended = false;
Eric Laurente552edb2014-03-10 17:42:56 -07003566 return;
3567 }
3568
Eric Laurent3a4311c2014-03-17 12:00:47 -07003569 bool isScoConnected =
3570 (mAvailableInputDevices.types() & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) != 0;
Eric Laurente552edb2014-03-10 17:42:56 -07003571 // suspend A2DP output if:
3572 // (NOT already suspended) &&
3573 // ((SCO device is connected &&
3574 // (forced usage for communication || for record is SCO))) ||
3575 // (phone state is ringing || in call)
3576 //
3577 // restore A2DP output if:
3578 // (Already suspended) &&
3579 // ((SCO device is NOT connected ||
3580 // (forced usage NOT for communication && NOT for record is SCO))) &&
3581 // (phone state is NOT ringing && NOT in call)
3582 //
3583 if (mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003584 if ((!isScoConnected ||
Eric Laurent3b73df72014-03-11 09:06:29 -07003585 ((mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] != AUDIO_POLICY_FORCE_BT_SCO) &&
3586 (mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] != AUDIO_POLICY_FORCE_BT_SCO))) &&
3587 ((mPhoneState != AUDIO_MODE_IN_CALL) &&
3588 (mPhoneState != AUDIO_MODE_RINGTONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07003589
3590 mpClientInterface->restoreOutput(a2dpOutput);
3591 mA2dpSuspended = false;
3592 }
3593 } else {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003594 if ((isScoConnected &&
Eric Laurent3b73df72014-03-11 09:06:29 -07003595 ((mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] == AUDIO_POLICY_FORCE_BT_SCO) ||
3596 (mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] == AUDIO_POLICY_FORCE_BT_SCO))) ||
3597 ((mPhoneState == AUDIO_MODE_IN_CALL) ||
3598 (mPhoneState == AUDIO_MODE_RINGTONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07003599
3600 mpClientInterface->suspendOutput(a2dpOutput);
3601 mA2dpSuspended = true;
3602 }
3603 }
3604}
3605
Eric Laurent1c333e22014-05-20 10:48:17 -07003606audio_devices_t AudioPolicyManager::getNewOutputDevice(audio_io_handle_t output, bool fromCache)
Eric Laurente552edb2014-03-10 17:42:56 -07003607{
3608 audio_devices_t device = AUDIO_DEVICE_NONE;
3609
Eric Laurent1f2f2232014-06-02 12:01:23 -07003610 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07003611
3612 ssize_t index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
3613 if (index >= 0) {
3614 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3615 if (patchDesc->mUid != mUidCached) {
3616 ALOGV("getNewOutputDevice() device %08x forced by patch %d",
3617 outputDesc->device(), outputDesc->mPatchHandle);
3618 return outputDesc->device();
3619 }
3620 }
3621
Eric Laurente552edb2014-03-10 17:42:56 -07003622 // check the following by order of priority to request a routing change if necessary:
3623 // 1: the strategy enforced audible is active on the output:
3624 // use device for strategy enforced audible
3625 // 2: we are in call or the strategy phone is active on the output:
3626 // use device for strategy phone
3627 // 3: the strategy sonification is active on the output:
3628 // use device for strategy sonification
3629 // 4: the strategy "respectful" sonification is active on the output:
3630 // use device for strategy "respectful" sonification
3631 // 5: the strategy media is active on the output:
3632 // use device for strategy media
3633 // 6: the strategy DTMF is active on the output:
3634 // use device for strategy DTMF
3635 if (outputDesc->isStrategyActive(STRATEGY_ENFORCED_AUDIBLE)) {
3636 device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache);
3637 } else if (isInCall() ||
3638 outputDesc->isStrategyActive(STRATEGY_PHONE)) {
3639 device = getDeviceForStrategy(STRATEGY_PHONE, fromCache);
3640 } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION)) {
3641 device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache);
3642 } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION_RESPECTFUL)) {
3643 device = getDeviceForStrategy(STRATEGY_SONIFICATION_RESPECTFUL, fromCache);
3644 } else if (outputDesc->isStrategyActive(STRATEGY_MEDIA)) {
3645 device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache);
3646 } else if (outputDesc->isStrategyActive(STRATEGY_DTMF)) {
3647 device = getDeviceForStrategy(STRATEGY_DTMF, fromCache);
3648 }
3649
Eric Laurent1c333e22014-05-20 10:48:17 -07003650 ALOGV("getNewOutputDevice() selected device %x", device);
3651 return device;
3652}
3653
3654audio_devices_t AudioPolicyManager::getNewInputDevice(audio_io_handle_t input)
3655{
Eric Laurent1f2f2232014-06-02 12:01:23 -07003656 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent6a94d692014-05-20 11:18:06 -07003657
3658 ssize_t index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
3659 if (index >= 0) {
3660 sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
3661 if (patchDesc->mUid != mUidCached) {
3662 ALOGV("getNewInputDevice() device %08x forced by patch %d",
3663 inputDesc->mDevice, inputDesc->mPatchHandle);
3664 return inputDesc->mDevice;
3665 }
3666 }
3667
Eric Laurent1c333e22014-05-20 10:48:17 -07003668 audio_devices_t device = getDeviceForInputSource(inputDesc->mInputSource);
3669
3670 ALOGV("getNewInputDevice() selected device %x", device);
Eric Laurente552edb2014-03-10 17:42:56 -07003671 return device;
3672}
3673
Eric Laurente0720872014-03-11 09:30:41 -07003674uint32_t AudioPolicyManager::getStrategyForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003675 return (uint32_t)getStrategy(stream);
3676}
3677
Eric Laurente0720872014-03-11 09:30:41 -07003678audio_devices_t AudioPolicyManager::getDevicesForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003679 // By checking the range of stream before calling getStrategy, we avoid
3680 // getStrategy's behavior for invalid streams. getStrategy would do a ALOGE
3681 // and then return STRATEGY_MEDIA, but we want to return the empty set.
Eric Laurent3b73df72014-03-11 09:06:29 -07003682 if (stream < (audio_stream_type_t) 0 || stream >= AUDIO_STREAM_CNT) {
Eric Laurent6a94d692014-05-20 11:18:06 -07003683 return AUDIO_DEVICE_NONE;
3684 }
3685 audio_devices_t devices;
3686 AudioPolicyManager::routing_strategy strategy = getStrategy(stream);
3687 devices = getDeviceForStrategy(strategy, true /*fromCache*/);
3688 SortedVector<audio_io_handle_t> outputs = getOutputsForDevice(devices, mOutputs);
3689 for (size_t i = 0; i < outputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07003690 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(outputs[i]);
Eric Laurent6a94d692014-05-20 11:18:06 -07003691 if (outputDesc->isStrategyActive(strategy)) {
3692 devices = outputDesc->device();
3693 break;
3694 }
Eric Laurente552edb2014-03-10 17:42:56 -07003695 }
3696 return devices;
3697}
3698
Eric Laurente0720872014-03-11 09:30:41 -07003699AudioPolicyManager::routing_strategy AudioPolicyManager::getStrategy(
Eric Laurent3b73df72014-03-11 09:06:29 -07003700 audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003701 // stream to strategy mapping
3702 switch (stream) {
Eric Laurent3b73df72014-03-11 09:06:29 -07003703 case AUDIO_STREAM_VOICE_CALL:
3704 case AUDIO_STREAM_BLUETOOTH_SCO:
Eric Laurente552edb2014-03-10 17:42:56 -07003705 return STRATEGY_PHONE;
Eric Laurent3b73df72014-03-11 09:06:29 -07003706 case AUDIO_STREAM_RING:
3707 case AUDIO_STREAM_ALARM:
Eric Laurente552edb2014-03-10 17:42:56 -07003708 return STRATEGY_SONIFICATION;
Eric Laurent3b73df72014-03-11 09:06:29 -07003709 case AUDIO_STREAM_NOTIFICATION:
Eric Laurente552edb2014-03-10 17:42:56 -07003710 return STRATEGY_SONIFICATION_RESPECTFUL;
Eric Laurent3b73df72014-03-11 09:06:29 -07003711 case AUDIO_STREAM_DTMF:
Eric Laurente552edb2014-03-10 17:42:56 -07003712 return STRATEGY_DTMF;
3713 default:
3714 ALOGE("unknown stream type");
Eric Laurent3b73df72014-03-11 09:06:29 -07003715 case AUDIO_STREAM_SYSTEM:
Eric Laurente552edb2014-03-10 17:42:56 -07003716 // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs
3717 // while key clicks are played produces a poor result
Eric Laurent3b73df72014-03-11 09:06:29 -07003718 case AUDIO_STREAM_TTS:
3719 case AUDIO_STREAM_MUSIC:
Eric Laurente552edb2014-03-10 17:42:56 -07003720 return STRATEGY_MEDIA;
Eric Laurent3b73df72014-03-11 09:06:29 -07003721 case AUDIO_STREAM_ENFORCED_AUDIBLE:
Eric Laurente552edb2014-03-10 17:42:56 -07003722 return STRATEGY_ENFORCED_AUDIBLE;
3723 }
3724}
3725
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07003726uint32_t AudioPolicyManager::getStrategyForAttr(const audio_attributes_t *attr) {
3727 // flags to strategy mapping
3728 if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
3729 return (uint32_t) STRATEGY_ENFORCED_AUDIBLE;
3730 }
3731
3732 // usage to strategy mapping
3733 switch (attr->usage) {
3734 case AUDIO_USAGE_MEDIA:
3735 case AUDIO_USAGE_GAME:
3736 case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
3737 case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
3738 case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
3739 return (uint32_t) STRATEGY_MEDIA;
3740
3741 case AUDIO_USAGE_VOICE_COMMUNICATION:
3742 return (uint32_t) STRATEGY_PHONE;
3743
3744 case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
3745 return (uint32_t) STRATEGY_DTMF;
3746
3747 case AUDIO_USAGE_ALARM:
3748 case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
3749 return (uint32_t) STRATEGY_SONIFICATION;
3750
3751 case AUDIO_USAGE_NOTIFICATION:
3752 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
3753 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
3754 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
3755 case AUDIO_USAGE_NOTIFICATION_EVENT:
3756 return (uint32_t) STRATEGY_SONIFICATION_RESPECTFUL;
3757
3758 case AUDIO_USAGE_UNKNOWN:
3759 default:
3760 return (uint32_t) STRATEGY_MEDIA;
3761 }
3762}
3763
Eric Laurente0720872014-03-11 09:30:41 -07003764void AudioPolicyManager::handleNotificationRoutingForStream(audio_stream_type_t stream) {
Eric Laurente552edb2014-03-10 17:42:56 -07003765 switch(stream) {
Eric Laurent3b73df72014-03-11 09:06:29 -07003766 case AUDIO_STREAM_MUSIC:
Eric Laurente552edb2014-03-10 17:42:56 -07003767 checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
3768 updateDevicesAndOutputs();
3769 break;
3770 default:
3771 break;
3772 }
3773}
3774
Eric Laurente0720872014-03-11 09:30:41 -07003775audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
Eric Laurente552edb2014-03-10 17:42:56 -07003776 bool fromCache)
3777{
3778 uint32_t device = AUDIO_DEVICE_NONE;
3779
3780 if (fromCache) {
3781 ALOGVV("getDeviceForStrategy() from cache strategy %d, device %x",
3782 strategy, mDeviceForStrategy[strategy]);
3783 return mDeviceForStrategy[strategy];
3784 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07003785 audio_devices_t availableOutputDeviceTypes = mAvailableOutputDevices.types();
Eric Laurente552edb2014-03-10 17:42:56 -07003786 switch (strategy) {
3787
3788 case STRATEGY_SONIFICATION_RESPECTFUL:
3789 if (isInCall()) {
3790 device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
Eric Laurent3b73df72014-03-11 09:06:29 -07003791 } else if (isStreamActiveRemotely(AUDIO_STREAM_MUSIC,
Eric Laurente552edb2014-03-10 17:42:56 -07003792 SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
3793 // while media is playing on a remote device, use the the sonification behavior.
3794 // Note that we test this usecase before testing if media is playing because
3795 // the isStreamActive() method only informs about the activity of a stream, not
3796 // if it's for local playback. Note also that we use the same delay between both tests
3797 device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
Eric Laurent3b73df72014-03-11 09:06:29 -07003798 } else if (isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
Eric Laurente552edb2014-03-10 17:42:56 -07003799 // while media is playing (or has recently played), use the same device
3800 device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
3801 } else {
3802 // when media is not playing anymore, fall back on the sonification behavior
3803 device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
3804 }
3805
3806 break;
3807
3808 case STRATEGY_DTMF:
3809 if (!isInCall()) {
3810 // when off call, DTMF strategy follows the same rules as MEDIA strategy
3811 device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
3812 break;
3813 }
3814 // when in call, DTMF and PHONE strategies follow the same rules
3815 // FALL THROUGH
3816
3817 case STRATEGY_PHONE:
Eric Laurentc2730ba2014-07-20 15:47:07 -07003818 // Force use of only devices on primary output if:
3819 // - in call AND
3820 // - cannot route from voice call RX OR
3821 // - audio HAL version is < 3.0 and TX device is on the primary HW module
3822 if (mPhoneState == AUDIO_MODE_IN_CALL) {
3823 audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
3824 sp<AudioOutputDescriptor> hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
3825 if (((mAvailableInputDevices.types() &
3826 AUDIO_DEVICE_IN_TELEPHONY_RX & ~AUDIO_DEVICE_BIT_IN) == 0) ||
3827 (((txDevice & availablePrimaryInputDevices() & ~AUDIO_DEVICE_BIT_IN) != 0) &&
3828 (hwOutputDesc->mAudioPort->mModule->mHalVersion <
3829 AUDIO_DEVICE_API_VERSION_3_0))) {
3830 availableOutputDeviceTypes = availablePrimaryOutputDevices();
3831 }
3832 }
Eric Laurente552edb2014-03-10 17:42:56 -07003833 // for phone strategy, we first consider the forced use and then the available devices by order
3834 // of priority
Eric Laurent3b73df72014-03-11 09:06:29 -07003835 switch (mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]) {
3836 case AUDIO_POLICY_FORCE_BT_SCO:
Eric Laurente552edb2014-03-10 17:42:56 -07003837 if (!isInCall() || strategy != STRATEGY_DTMF) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003838 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
Eric Laurente552edb2014-03-10 17:42:56 -07003839 if (device) break;
3840 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07003841 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003842 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003843 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
Eric Laurente552edb2014-03-10 17:42:56 -07003844 if (device) break;
3845 // if SCO device is requested but no SCO device is available, fall back to default case
3846 // FALL THROUGH
3847
3848 default: // FORCE_NONE
3849 // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
Eric Laurent3a4311c2014-03-17 12:00:47 -07003850 if (!isInCall() &&
Eric Laurent3b73df72014-03-11 09:06:29 -07003851 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
Eric Laurente552edb2014-03-10 17:42:56 -07003852 (getA2dpOutput() != 0) && !mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003853 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
Eric Laurente552edb2014-03-10 17:42:56 -07003854 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003855 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
Eric Laurente552edb2014-03-10 17:42:56 -07003856 if (device) break;
3857 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07003858 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
Eric Laurente552edb2014-03-10 17:42:56 -07003859 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003860 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003861 if (device) break;
Eric Laurentc2730ba2014-07-20 15:47:07 -07003862 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
3863 if (device) break;
Eric Laurent3b73df72014-03-11 09:06:29 -07003864 if (mPhoneState != AUDIO_MODE_IN_CALL) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003865 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
Eric Laurente552edb2014-03-10 17:42:56 -07003866 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003867 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003868 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003869 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_DIGITAL;
Eric Laurente552edb2014-03-10 17:42:56 -07003870 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003871 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003872 if (device) break;
3873 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07003874 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_EARPIECE;
Eric Laurente552edb2014-03-10 17:42:56 -07003875 if (device) break;
Eric Laurent1c333e22014-05-20 10:48:17 -07003876 device = mDefaultOutputDevice->mDeviceType;
Eric Laurente552edb2014-03-10 17:42:56 -07003877 if (device == AUDIO_DEVICE_NONE) {
3878 ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE");
3879 }
3880 break;
3881
Eric Laurent3b73df72014-03-11 09:06:29 -07003882 case AUDIO_POLICY_FORCE_SPEAKER:
Eric Laurente552edb2014-03-10 17:42:56 -07003883 // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to
3884 // A2DP speaker when forcing to speaker output
Eric Laurent3a4311c2014-03-17 12:00:47 -07003885 if (!isInCall() &&
Eric Laurent3b73df72014-03-11 09:06:29 -07003886 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
Eric Laurente552edb2014-03-10 17:42:56 -07003887 (getA2dpOutput() != 0) && !mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003888 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07003889 if (device) break;
3890 }
Eric Laurent3b73df72014-03-11 09:06:29 -07003891 if (mPhoneState != AUDIO_MODE_IN_CALL) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003892 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
Eric Laurente552edb2014-03-10 17:42:56 -07003893 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003894 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
Eric Laurente552edb2014-03-10 17:42:56 -07003895 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003896 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003897 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003898 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_DIGITAL;
Eric Laurente552edb2014-03-10 17:42:56 -07003899 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003900 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003901 if (device) break;
3902 }
Jon Eklundac29afa2014-07-28 16:06:06 -05003903 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_LINE;
3904 if (device) break;
Eric Laurent3a4311c2014-03-17 12:00:47 -07003905 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07003906 if (device) break;
Eric Laurent1c333e22014-05-20 10:48:17 -07003907 device = mDefaultOutputDevice->mDeviceType;
Eric Laurente552edb2014-03-10 17:42:56 -07003908 if (device == AUDIO_DEVICE_NONE) {
3909 ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER");
3910 }
3911 break;
3912 }
3913 break;
3914
3915 case STRATEGY_SONIFICATION:
3916
3917 // If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by
3918 // handleIncallSonification().
3919 if (isInCall()) {
3920 device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/);
3921 break;
3922 }
3923 // FALL THROUGH
3924
3925 case STRATEGY_ENFORCED_AUDIBLE:
3926 // strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION
3927 // except:
3928 // - when in call where it doesn't default to STRATEGY_PHONE behavior
3929 // - in countries where not enforced in which case it follows STRATEGY_MEDIA
3930
3931 if ((strategy == STRATEGY_SONIFICATION) ||
Eric Laurent3b73df72014-03-11 09:06:29 -07003932 (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003933 device = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07003934 if (device == AUDIO_DEVICE_NONE) {
3935 ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION");
3936 }
3937 }
3938 // The second device used for sonification is the same as the device used by media strategy
3939 // FALL THROUGH
3940
3941 case STRATEGY_MEDIA: {
3942 uint32_t device2 = AUDIO_DEVICE_NONE;
3943 if (strategy != STRATEGY_SONIFICATION) {
3944 // no sonification on remote submix (e.g. WFD)
Eric Laurent3a4311c2014-03-17 12:00:47 -07003945 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
Eric Laurente552edb2014-03-10 17:42:56 -07003946 }
3947 if ((device2 == AUDIO_DEVICE_NONE) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07003948 (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
Eric Laurente552edb2014-03-10 17:42:56 -07003949 (getA2dpOutput() != 0) && !mA2dpSuspended) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003950 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
Eric Laurente552edb2014-03-10 17:42:56 -07003951 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003952 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
Eric Laurente552edb2014-03-10 17:42:56 -07003953 }
3954 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003955 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07003956 }
3957 }
3958 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003959 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
Eric Laurente552edb2014-03-10 17:42:56 -07003960 }
Jon Eklundac29afa2014-07-28 16:06:06 -05003961 if ((device2 == AUDIO_DEVICE_NONE)) {
3962 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_LINE;
3963 }
Eric Laurente552edb2014-03-10 17:42:56 -07003964 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003965 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_WIRED_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003966 }
3967 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003968 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_ACCESSORY;
Eric Laurente552edb2014-03-10 17:42:56 -07003969 }
3970 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003971 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_USB_DEVICE;
Eric Laurente552edb2014-03-10 17:42:56 -07003972 }
3973 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003974 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003975 }
3976 if ((device2 == AUDIO_DEVICE_NONE) && (strategy != STRATEGY_SONIFICATION)) {
3977 // no sonification on aux digital (e.g. HDMI)
Eric Laurent3a4311c2014-03-17 12:00:47 -07003978 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_DIGITAL;
Eric Laurente552edb2014-03-10 17:42:56 -07003979 }
3980 if ((device2 == AUDIO_DEVICE_NONE) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07003981 (mForceUse[AUDIO_POLICY_FORCE_FOR_DOCK] == AUDIO_POLICY_FORCE_ANALOG_DOCK)) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003982 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
Eric Laurente552edb2014-03-10 17:42:56 -07003983 }
3984 if (device2 == AUDIO_DEVICE_NONE) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07003985 device2 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurente552edb2014-03-10 17:42:56 -07003986 }
Jungshik Jang839e4f32014-06-26 17:23:40 +09003987 int device3 = AUDIO_DEVICE_NONE;
3988 if (strategy == STRATEGY_MEDIA) {
Jungshik Jang7b24ee32014-07-15 19:38:42 +09003989 // ARC, SPDIF and AUX_LINE can co-exist with others.
Jungshik Jang0c943092014-07-08 22:11:24 +09003990 device3 = availableOutputDeviceTypes & AUDIO_DEVICE_OUT_HDMI_ARC;
3991 device3 |= (availableOutputDeviceTypes & AUDIO_DEVICE_OUT_SPDIF);
Jungshik Jang7b24ee32014-07-15 19:38:42 +09003992 device3 |= (availableOutputDeviceTypes & AUDIO_DEVICE_OUT_AUX_LINE);
Jungshik Jang839e4f32014-06-26 17:23:40 +09003993 }
Eric Laurente552edb2014-03-10 17:42:56 -07003994
Jungshik Jang839e4f32014-06-26 17:23:40 +09003995 device2 |= device3;
Eric Laurente552edb2014-03-10 17:42:56 -07003996 // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or
3997 // STRATEGY_ENFORCED_AUDIBLE, AUDIO_DEVICE_NONE otherwise
3998 device |= device2;
Jungshik Jang839e4f32014-06-26 17:23:40 +09003999
Jungshik Jang7b24ee32014-07-15 19:38:42 +09004000 // If hdmi system audio mode is on, remove speaker out of output list.
4001 if ((strategy == STRATEGY_MEDIA) &&
4002 (mForceUse[AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO] ==
4003 AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED)) {
4004 device &= ~AUDIO_DEVICE_OUT_SPEAKER;
4005 }
4006
Eric Laurente552edb2014-03-10 17:42:56 -07004007 if (device) break;
Eric Laurent1c333e22014-05-20 10:48:17 -07004008 device = mDefaultOutputDevice->mDeviceType;
Eric Laurente552edb2014-03-10 17:42:56 -07004009 if (device == AUDIO_DEVICE_NONE) {
4010 ALOGE("getDeviceForStrategy() no device found for STRATEGY_MEDIA");
4011 }
4012 } break;
4013
4014 default:
4015 ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
4016 break;
4017 }
4018
4019 ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
4020 return device;
4021}
4022
Eric Laurente0720872014-03-11 09:30:41 -07004023void AudioPolicyManager::updateDevicesAndOutputs()
Eric Laurente552edb2014-03-10 17:42:56 -07004024{
4025 for (int i = 0; i < NUM_STRATEGIES; i++) {
4026 mDeviceForStrategy[i] = getDeviceForStrategy((routing_strategy)i, false /*fromCache*/);
4027 }
4028 mPreviousOutputs = mOutputs;
4029}
4030
Eric Laurent1f2f2232014-06-02 12:01:23 -07004031uint32_t AudioPolicyManager::checkDeviceMuteStrategies(sp<AudioOutputDescriptor> outputDesc,
Eric Laurente552edb2014-03-10 17:42:56 -07004032 audio_devices_t prevDevice,
4033 uint32_t delayMs)
4034{
4035 // mute/unmute strategies using an incompatible device combination
4036 // if muting, wait for the audio in pcm buffer to be drained before proceeding
4037 // if unmuting, unmute only after the specified delay
4038 if (outputDesc->isDuplicated()) {
4039 return 0;
4040 }
4041
4042 uint32_t muteWaitMs = 0;
4043 audio_devices_t device = outputDesc->device();
Eric Laurent3b73df72014-03-11 09:06:29 -07004044 bool shouldMute = outputDesc->isActive() && (popcount(device) >= 2);
Eric Laurente552edb2014-03-10 17:42:56 -07004045
4046 for (size_t i = 0; i < NUM_STRATEGIES; i++) {
4047 audio_devices_t curDevice = getDeviceForStrategy((routing_strategy)i, false /*fromCache*/);
4048 bool mute = shouldMute && (curDevice & device) && (curDevice != device);
4049 bool doMute = false;
4050
4051 if (mute && !outputDesc->mStrategyMutedByDevice[i]) {
4052 doMute = true;
4053 outputDesc->mStrategyMutedByDevice[i] = true;
4054 } else if (!mute && outputDesc->mStrategyMutedByDevice[i]){
4055 doMute = true;
4056 outputDesc->mStrategyMutedByDevice[i] = false;
4057 }
Eric Laurent99401132014-05-07 19:48:15 -07004058 if (doMute) {
Eric Laurente552edb2014-03-10 17:42:56 -07004059 for (size_t j = 0; j < mOutputs.size(); j++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07004060 sp<AudioOutputDescriptor> desc = mOutputs.valueAt(j);
Eric Laurente552edb2014-03-10 17:42:56 -07004061 // skip output if it does not share any device with current output
4062 if ((desc->supportedDevices() & outputDesc->supportedDevices())
4063 == AUDIO_DEVICE_NONE) {
4064 continue;
4065 }
4066 audio_io_handle_t curOutput = mOutputs.keyAt(j);
4067 ALOGVV("checkDeviceMuteStrategies() %s strategy %d (curDevice %04x) on output %d",
4068 mute ? "muting" : "unmuting", i, curDevice, curOutput);
4069 setStrategyMute((routing_strategy)i, mute, curOutput, mute ? 0 : delayMs);
4070 if (desc->isStrategyActive((routing_strategy)i)) {
Eric Laurent99401132014-05-07 19:48:15 -07004071 if (mute) {
4072 // FIXME: should not need to double latency if volume could be applied
4073 // immediately by the audioflinger mixer. We must account for the delay
4074 // between now and the next time the audioflinger thread for this output
4075 // will process a buffer (which corresponds to one buffer size,
4076 // usually 1/2 or 1/4 of the latency).
4077 if (muteWaitMs < desc->latency() * 2) {
4078 muteWaitMs = desc->latency() * 2;
Eric Laurente552edb2014-03-10 17:42:56 -07004079 }
4080 }
4081 }
4082 }
4083 }
4084 }
4085
Eric Laurent99401132014-05-07 19:48:15 -07004086 // temporary mute output if device selection changes to avoid volume bursts due to
4087 // different per device volumes
4088 if (outputDesc->isActive() && (device != prevDevice)) {
4089 if (muteWaitMs < outputDesc->latency() * 2) {
4090 muteWaitMs = outputDesc->latency() * 2;
4091 }
4092 for (size_t i = 0; i < NUM_STRATEGIES; i++) {
4093 if (outputDesc->isStrategyActive((routing_strategy)i)) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004094 setStrategyMute((routing_strategy)i, true, outputDesc->mIoHandle);
Eric Laurent99401132014-05-07 19:48:15 -07004095 // do tempMute unmute after twice the mute wait time
Eric Laurent1c333e22014-05-20 10:48:17 -07004096 setStrategyMute((routing_strategy)i, false, outputDesc->mIoHandle,
Eric Laurent99401132014-05-07 19:48:15 -07004097 muteWaitMs *2, device);
4098 }
4099 }
4100 }
4101
Eric Laurente552edb2014-03-10 17:42:56 -07004102 // wait for the PCM output buffers to empty before proceeding with the rest of the command
4103 if (muteWaitMs > delayMs) {
4104 muteWaitMs -= delayMs;
4105 usleep(muteWaitMs * 1000);
4106 return muteWaitMs;
4107 }
4108 return 0;
4109}
4110
Eric Laurente0720872014-03-11 09:30:41 -07004111uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output,
Eric Laurente552edb2014-03-10 17:42:56 -07004112 audio_devices_t device,
4113 bool force,
Eric Laurent6a94d692014-05-20 11:18:06 -07004114 int delayMs,
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004115 audio_patch_handle_t *patchHandle,
4116 const char* address)
Eric Laurente552edb2014-03-10 17:42:56 -07004117{
4118 ALOGV("setOutputDevice() output %d device %04x delayMs %d", output, device, delayMs);
Eric Laurent1f2f2232014-06-02 12:01:23 -07004119 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07004120 AudioParameter param;
4121 uint32_t muteWaitMs;
4122
4123 if (outputDesc->isDuplicated()) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004124 muteWaitMs = setOutputDevice(outputDesc->mOutput1->mIoHandle, device, force, delayMs);
4125 muteWaitMs += setOutputDevice(outputDesc->mOutput2->mIoHandle, device, force, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07004126 return muteWaitMs;
4127 }
4128 // no need to proceed if new device is not AUDIO_DEVICE_NONE and not supported by current
4129 // output profile
4130 if ((device != AUDIO_DEVICE_NONE) &&
Eric Laurent3a4311c2014-03-17 12:00:47 -07004131 ((device & outputDesc->mProfile->mSupportedDevices.types()) == 0)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004132 return 0;
4133 }
4134
4135 // filter devices according to output selected
Eric Laurent3a4311c2014-03-17 12:00:47 -07004136 device = (audio_devices_t)(device & outputDesc->mProfile->mSupportedDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07004137
4138 audio_devices_t prevDevice = outputDesc->mDevice;
4139
4140 ALOGV("setOutputDevice() prevDevice %04x", prevDevice);
4141
4142 if (device != AUDIO_DEVICE_NONE) {
4143 outputDesc->mDevice = device;
4144 }
4145 muteWaitMs = checkDeviceMuteStrategies(outputDesc, prevDevice, delayMs);
4146
4147 // Do not change the routing if:
4148 // - the requested device is AUDIO_DEVICE_NONE
4149 // - the requested device is the same as current device and force is not specified.
4150 // Doing this check here allows the caller to call setOutputDevice() without conditions
4151 if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force) {
4152 ALOGV("setOutputDevice() setting same device %04x or null device for output %d", device, output);
4153 return muteWaitMs;
4154 }
4155
4156 ALOGV("setOutputDevice() changing device");
Eric Laurent1c333e22014-05-20 10:48:17 -07004157
Eric Laurente552edb2014-03-10 17:42:56 -07004158 // do the routing
Eric Laurent1c333e22014-05-20 10:48:17 -07004159 if (device == AUDIO_DEVICE_NONE) {
Eric Laurent6a94d692014-05-20 11:18:06 -07004160 resetOutputDevice(output, delayMs, NULL);
Eric Laurent1c333e22014-05-20 10:48:17 -07004161 } else {
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004162 DeviceVector deviceList = (address == NULL) ?
4163 mAvailableOutputDevices.getDevicesFromType(device)
4164 : mAvailableOutputDevices.getDevicesFromTypeAddr(device, String8(address));
Eric Laurent1c333e22014-05-20 10:48:17 -07004165 if (!deviceList.isEmpty()) {
4166 struct audio_patch patch;
4167 outputDesc->toAudioPortConfig(&patch.sources[0]);
4168 patch.num_sources = 1;
4169 patch.num_sinks = 0;
4170 for (size_t i = 0; i < deviceList.size() && i < AUDIO_PATCH_PORTS_MAX; i++) {
4171 deviceList.itemAt(i)->toAudioPortConfig(&patch.sinks[i]);
Eric Laurent1c333e22014-05-20 10:48:17 -07004172 patch.num_sinks++;
4173 }
Eric Laurent6a94d692014-05-20 11:18:06 -07004174 ssize_t index;
4175 if (patchHandle && *patchHandle != AUDIO_PATCH_HANDLE_NONE) {
4176 index = mAudioPatches.indexOfKey(*patchHandle);
4177 } else {
4178 index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
4179 }
4180 sp< AudioPatch> patchDesc;
4181 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
4182 if (index >= 0) {
4183 patchDesc = mAudioPatches.valueAt(index);
4184 afPatchHandle = patchDesc->mAfPatchHandle;
4185 }
4186
Eric Laurent1c333e22014-05-20 10:48:17 -07004187 status_t status = mpClientInterface->createAudioPatch(&patch,
Eric Laurent6a94d692014-05-20 11:18:06 -07004188 &afPatchHandle,
4189 delayMs);
Eric Laurent1c333e22014-05-20 10:48:17 -07004190 ALOGV("setOutputDevice() createAudioPatch returned %d patchHandle %d"
4191 "num_sources %d num_sinks %d",
Eric Laurent6a94d692014-05-20 11:18:06 -07004192 status, afPatchHandle, patch.num_sources, patch.num_sinks);
Eric Laurent1c333e22014-05-20 10:48:17 -07004193 if (status == NO_ERROR) {
Eric Laurent6a94d692014-05-20 11:18:06 -07004194 if (index < 0) {
4195 patchDesc = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
4196 &patch, mUidCached);
4197 addAudioPatch(patchDesc->mHandle, patchDesc);
4198 } else {
4199 patchDesc->mPatch = patch;
4200 }
4201 patchDesc->mAfPatchHandle = afPatchHandle;
4202 patchDesc->mUid = mUidCached;
4203 if (patchHandle) {
4204 *patchHandle = patchDesc->mHandle;
4205 }
4206 outputDesc->mPatchHandle = patchDesc->mHandle;
4207 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004208 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004209 }
4210 }
4211 }
Eric Laurente552edb2014-03-10 17:42:56 -07004212
4213 // update stream volumes according to new device
4214 applyStreamVolumes(output, device, delayMs);
4215
4216 return muteWaitMs;
4217}
4218
Eric Laurent1c333e22014-05-20 10:48:17 -07004219status_t AudioPolicyManager::resetOutputDevice(audio_io_handle_t output,
Eric Laurent6a94d692014-05-20 11:18:06 -07004220 int delayMs,
4221 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07004222{
Eric Laurent1f2f2232014-06-02 12:01:23 -07004223 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurent6a94d692014-05-20 11:18:06 -07004224 ssize_t index;
4225 if (patchHandle) {
4226 index = mAudioPatches.indexOfKey(*patchHandle);
4227 } else {
4228 index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
4229 }
4230 if (index < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004231 return INVALID_OPERATION;
4232 }
Eric Laurent6a94d692014-05-20 11:18:06 -07004233 sp< AudioPatch> patchDesc = mAudioPatches.valueAt(index);
4234 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, delayMs);
Eric Laurent1c333e22014-05-20 10:48:17 -07004235 ALOGV("resetOutputDevice() releaseAudioPatch returned %d", status);
4236 outputDesc->mPatchHandle = 0;
Eric Laurent6a94d692014-05-20 11:18:06 -07004237 removeAudioPatch(patchDesc->mHandle);
4238 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004239 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004240 return status;
4241}
4242
4243status_t AudioPolicyManager::setInputDevice(audio_io_handle_t input,
4244 audio_devices_t device,
Eric Laurent6a94d692014-05-20 11:18:06 -07004245 bool force,
4246 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07004247{
4248 status_t status = NO_ERROR;
4249
Eric Laurent1f2f2232014-06-02 12:01:23 -07004250 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent1c333e22014-05-20 10:48:17 -07004251 if ((device != AUDIO_DEVICE_NONE) && ((device != inputDesc->mDevice) || force)) {
4252 inputDesc->mDevice = device;
4253
4254 DeviceVector deviceList = mAvailableInputDevices.getDevicesFromType(device);
4255 if (!deviceList.isEmpty()) {
4256 struct audio_patch patch;
4257 inputDesc->toAudioPortConfig(&patch.sinks[0]);
Eric Laurentdaf92cc2014-07-22 15:36:10 -07004258 // AUDIO_SOURCE_HOTWORD is for internal use only:
4259 // handled as AUDIO_SOURCE_VOICE_RECOGNITION by the audio HAL
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07004260 if (patch.sinks[0].ext.mix.usecase.source == AUDIO_SOURCE_HOTWORD &&
4261 !inputDesc->mIsSoundTrigger) {
Eric Laurentdaf92cc2014-07-22 15:36:10 -07004262 patch.sinks[0].ext.mix.usecase.source = AUDIO_SOURCE_VOICE_RECOGNITION;
4263 }
Eric Laurent1c333e22014-05-20 10:48:17 -07004264 patch.num_sinks = 1;
4265 //only one input device for now
4266 deviceList.itemAt(0)->toAudioPortConfig(&patch.sources[0]);
Eric Laurent1c333e22014-05-20 10:48:17 -07004267 patch.num_sources = 1;
Eric Laurent6a94d692014-05-20 11:18:06 -07004268 ssize_t index;
4269 if (patchHandle && *patchHandle != AUDIO_PATCH_HANDLE_NONE) {
4270 index = mAudioPatches.indexOfKey(*patchHandle);
4271 } else {
4272 index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
4273 }
4274 sp< AudioPatch> patchDesc;
4275 audio_patch_handle_t afPatchHandle = AUDIO_PATCH_HANDLE_NONE;
4276 if (index >= 0) {
4277 patchDesc = mAudioPatches.valueAt(index);
4278 afPatchHandle = patchDesc->mAfPatchHandle;
4279 }
4280
Eric Laurent1c333e22014-05-20 10:48:17 -07004281 status_t status = mpClientInterface->createAudioPatch(&patch,
Eric Laurent6a94d692014-05-20 11:18:06 -07004282 &afPatchHandle,
Eric Laurent1c333e22014-05-20 10:48:17 -07004283 0);
4284 ALOGV("setInputDevice() createAudioPatch returned %d patchHandle %d",
Eric Laurent6a94d692014-05-20 11:18:06 -07004285 status, afPatchHandle);
Eric Laurent1c333e22014-05-20 10:48:17 -07004286 if (status == NO_ERROR) {
Eric Laurent6a94d692014-05-20 11:18:06 -07004287 if (index < 0) {
4288 patchDesc = new AudioPatch((audio_patch_handle_t)nextUniqueId(),
4289 &patch, mUidCached);
4290 addAudioPatch(patchDesc->mHandle, patchDesc);
4291 } else {
4292 patchDesc->mPatch = patch;
4293 }
4294 patchDesc->mAfPatchHandle = afPatchHandle;
4295 patchDesc->mUid = mUidCached;
4296 if (patchHandle) {
4297 *patchHandle = patchDesc->mHandle;
4298 }
4299 inputDesc->mPatchHandle = patchDesc->mHandle;
4300 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004301 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004302 }
4303 }
4304 }
4305 return status;
4306}
4307
Eric Laurent6a94d692014-05-20 11:18:06 -07004308status_t AudioPolicyManager::resetInputDevice(audio_io_handle_t input,
4309 audio_patch_handle_t *patchHandle)
Eric Laurent1c333e22014-05-20 10:48:17 -07004310{
Eric Laurent1f2f2232014-06-02 12:01:23 -07004311 sp<AudioInputDescriptor> inputDesc = mInputs.valueFor(input);
Eric Laurent6a94d692014-05-20 11:18:06 -07004312 ssize_t index;
4313 if (patchHandle) {
4314 index = mAudioPatches.indexOfKey(*patchHandle);
4315 } else {
4316 index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
4317 }
4318 if (index < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07004319 return INVALID_OPERATION;
4320 }
Eric Laurent6a94d692014-05-20 11:18:06 -07004321 sp< AudioPatch> patchDesc = mAudioPatches.valueAt(index);
4322 status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
Eric Laurent1c333e22014-05-20 10:48:17 -07004323 ALOGV("resetInputDevice() releaseAudioPatch returned %d", status);
4324 inputDesc->mPatchHandle = 0;
Eric Laurent6a94d692014-05-20 11:18:06 -07004325 removeAudioPatch(patchDesc->mHandle);
4326 nextAudioPortGeneration();
Eric Laurentb52c1522014-05-20 11:27:36 -07004327 mpClientInterface->onAudioPatchListUpdate();
Eric Laurent1c333e22014-05-20 10:48:17 -07004328 return status;
4329}
4330
4331sp<AudioPolicyManager::IOProfile> AudioPolicyManager::getInputProfile(audio_devices_t device,
Glenn Kastencbd48022014-07-24 13:46:44 -07004332 uint32_t& samplingRate,
Eric Laurente552edb2014-03-10 17:42:56 -07004333 audio_format_t format,
Glenn Kasten6a8ab052014-07-24 14:08:35 -07004334 audio_channel_mask_t channelMask,
Glenn Kastencbd48022014-07-24 13:46:44 -07004335 audio_input_flags_t flags)
Eric Laurente552edb2014-03-10 17:42:56 -07004336{
4337 // Choose an input profile based on the requested capture parameters: select the first available
4338 // profile supporting all requested parameters.
4339
4340 for (size_t i = 0; i < mHwModules.size(); i++)
4341 {
4342 if (mHwModules[i]->mHandle == 0) {
4343 continue;
4344 }
4345 for (size_t j = 0; j < mHwModules[i]->mInputProfiles.size(); j++)
4346 {
Eric Laurent1c333e22014-05-20 10:48:17 -07004347 sp<IOProfile> profile = mHwModules[i]->mInputProfiles[j];
Eric Laurentd4692962014-05-05 18:13:44 -07004348 // profile->log();
Glenn Kastencbd48022014-07-24 13:46:44 -07004349 if (profile->isCompatibleProfile(device, samplingRate,
4350 &samplingRate /*updatedSamplingRate*/,
4351 format, channelMask, (audio_output_flags_t) flags)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004352 return profile;
4353 }
4354 }
4355 }
4356 return NULL;
4357}
4358
Eric Laurente0720872014-03-11 09:30:41 -07004359audio_devices_t AudioPolicyManager::getDeviceForInputSource(audio_source_t inputSource)
Eric Laurente552edb2014-03-10 17:42:56 -07004360{
4361 uint32_t device = AUDIO_DEVICE_NONE;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004362 audio_devices_t availableDeviceTypes = mAvailableInputDevices.types() &
4363 ~AUDIO_DEVICE_BIT_IN;
Eric Laurente552edb2014-03-10 17:42:56 -07004364 switch (inputSource) {
4365 case AUDIO_SOURCE_VOICE_UPLINK:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004366 if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) {
Eric Laurente552edb2014-03-10 17:42:56 -07004367 device = AUDIO_DEVICE_IN_VOICE_CALL;
4368 break;
4369 }
Eric Laurentc2730ba2014-07-20 15:47:07 -07004370 break;
Eric Laurente552edb2014-03-10 17:42:56 -07004371
4372 case AUDIO_SOURCE_DEFAULT:
4373 case AUDIO_SOURCE_MIC:
Mike Lockwood41b0e242014-05-13 15:23:35 -07004374 if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) {
4375 device = AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
Eric Laurentc2730ba2014-07-20 15:47:07 -07004376 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
4377 device = AUDIO_DEVICE_IN_WIRED_HEADSET;
4378 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
4379 device = AUDIO_DEVICE_IN_USB_DEVICE;
4380 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
4381 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
Mike Lockwood41b0e242014-05-13 15:23:35 -07004382 }
Eric Laurentc2730ba2014-07-20 15:47:07 -07004383 break;
4384
4385 case AUDIO_SOURCE_VOICE_COMMUNICATION:
4386 // Allow only use of devices on primary input if in call and HAL does not support routing
4387 // to voice call path.
4388 if ((mPhoneState == AUDIO_MODE_IN_CALL) &&
4389 (mAvailableOutputDevices.types() & AUDIO_DEVICE_OUT_TELEPHONY_TX) == 0) {
4390 availableDeviceTypes = availablePrimaryInputDevices() & ~AUDIO_DEVICE_BIT_IN;
4391 }
4392
4393 switch (mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]) {
4394 case AUDIO_POLICY_FORCE_BT_SCO:
4395 // if SCO device is requested but no SCO device is available, fall back to default case
4396 if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
4397 device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
4398 break;
4399 }
4400 // FALL THROUGH
4401
4402 default: // FORCE_NONE
4403 if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
4404 device = AUDIO_DEVICE_IN_WIRED_HEADSET;
4405 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
4406 device = AUDIO_DEVICE_IN_USB_DEVICE;
4407 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
4408 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4409 }
4410 break;
4411
4412 case AUDIO_POLICY_FORCE_SPEAKER:
4413 if (availableDeviceTypes & AUDIO_DEVICE_IN_BACK_MIC) {
4414 device = AUDIO_DEVICE_IN_BACK_MIC;
4415 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
4416 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4417 }
4418 break;
4419 }
4420 break;
Mike Lockwood41b0e242014-05-13 15:23:35 -07004421
Eric Laurente552edb2014-03-10 17:42:56 -07004422 case AUDIO_SOURCE_VOICE_RECOGNITION:
4423 case AUDIO_SOURCE_HOTWORD:
Eric Laurent3b73df72014-03-11 09:06:29 -07004424 if (mForceUse[AUDIO_POLICY_FORCE_FOR_RECORD] == AUDIO_POLICY_FORCE_BT_SCO &&
Eric Laurent3a4311c2014-03-17 12:00:47 -07004425 availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
Eric Laurente552edb2014-03-10 17:42:56 -07004426 device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004427 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {
Eric Laurente552edb2014-03-10 17:42:56 -07004428 device = AUDIO_DEVICE_IN_WIRED_HEADSET;
Eric Laurentd4692962014-05-05 18:13:44 -07004429 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) {
4430 device = AUDIO_DEVICE_IN_USB_DEVICE;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004431 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
Eric Laurente552edb2014-03-10 17:42:56 -07004432 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4433 }
4434 break;
4435 case AUDIO_SOURCE_CAMCORDER:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004436 if (availableDeviceTypes & AUDIO_DEVICE_IN_BACK_MIC) {
Eric Laurente552edb2014-03-10 17:42:56 -07004437 device = AUDIO_DEVICE_IN_BACK_MIC;
Eric Laurent3a4311c2014-03-17 12:00:47 -07004438 } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) {
Eric Laurente552edb2014-03-10 17:42:56 -07004439 device = AUDIO_DEVICE_IN_BUILTIN_MIC;
4440 }
4441 break;
4442 case AUDIO_SOURCE_VOICE_DOWNLINK:
4443 case AUDIO_SOURCE_VOICE_CALL:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004444 if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) {
Eric Laurente552edb2014-03-10 17:42:56 -07004445 device = AUDIO_DEVICE_IN_VOICE_CALL;
4446 }
4447 break;
4448 case AUDIO_SOURCE_REMOTE_SUBMIX:
Eric Laurent3a4311c2014-03-17 12:00:47 -07004449 if (availableDeviceTypes & AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
Eric Laurente552edb2014-03-10 17:42:56 -07004450 device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
4451 }
4452 break;
4453 default:
4454 ALOGW("getDeviceForInputSource() invalid input source %d", inputSource);
4455 break;
4456 }
4457 ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device);
4458 return device;
4459}
4460
Eric Laurente0720872014-03-11 09:30:41 -07004461bool AudioPolicyManager::isVirtualInputDevice(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07004462{
4463 if ((device & AUDIO_DEVICE_BIT_IN) != 0) {
4464 device &= ~AUDIO_DEVICE_BIT_IN;
4465 if ((popcount(device) == 1) && ((device & ~APM_AUDIO_IN_DEVICE_VIRTUAL_ALL) == 0))
4466 return true;
4467 }
4468 return false;
4469}
4470
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07004471bool AudioPolicyManager::deviceDistinguishesOnAddress(audio_devices_t device) {
4472 return ((device & APM_AUDIO_DEVICE_MATCH_ADDRESS_ALL) != 0);
4473}
4474
Eric Laurente0720872014-03-11 09:30:41 -07004475audio_io_handle_t AudioPolicyManager::getActiveInput(bool ignoreVirtualInputs)
Eric Laurente552edb2014-03-10 17:42:56 -07004476{
4477 for (size_t i = 0; i < mInputs.size(); i++) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07004478 const sp<AudioInputDescriptor> input_descriptor = mInputs.valueAt(i);
Eric Laurente552edb2014-03-10 17:42:56 -07004479 if ((input_descriptor->mRefCount > 0)
4480 && (!ignoreVirtualInputs || !isVirtualInputDevice(input_descriptor->mDevice))) {
4481 return mInputs.keyAt(i);
4482 }
4483 }
4484 return 0;
4485}
4486
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07004487uint32_t AudioPolicyManager::activeInputsCount() const
4488{
4489 uint32_t count = 0;
4490 for (size_t i = 0; i < mInputs.size(); i++) {
4491 const sp<AudioInputDescriptor> desc = mInputs.valueAt(i);
4492 if (desc->mRefCount > 0) {
4493 return count++;
4494 }
4495 }
4496 return count;
4497}
4498
Eric Laurente552edb2014-03-10 17:42:56 -07004499
Eric Laurente0720872014-03-11 09:30:41 -07004500audio_devices_t AudioPolicyManager::getDeviceForVolume(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07004501{
4502 if (device == AUDIO_DEVICE_NONE) {
4503 // this happens when forcing a route update and no track is active on an output.
4504 // In this case the returned category is not important.
4505 device = AUDIO_DEVICE_OUT_SPEAKER;
Eric Laurent3b73df72014-03-11 09:06:29 -07004506 } else if (popcount(device) > 1) {
Eric Laurente552edb2014-03-10 17:42:56 -07004507 // Multiple device selection is either:
4508 // - speaker + one other device: give priority to speaker in this case.
4509 // - one A2DP device + another device: happens with duplicated output. In this case
4510 // retain the device on the A2DP output as the other must not correspond to an active
4511 // selection if not the speaker.
4512 if (device & AUDIO_DEVICE_OUT_SPEAKER) {
4513 device = AUDIO_DEVICE_OUT_SPEAKER;
4514 } else {
4515 device = (audio_devices_t)(device & AUDIO_DEVICE_OUT_ALL_A2DP);
4516 }
4517 }
4518
Eric Laurent3b73df72014-03-11 09:06:29 -07004519 ALOGW_IF(popcount(device) != 1,
Eric Laurente552edb2014-03-10 17:42:56 -07004520 "getDeviceForVolume() invalid device combination: %08x",
4521 device);
4522
4523 return device;
4524}
4525
Eric Laurente0720872014-03-11 09:30:41 -07004526AudioPolicyManager::device_category AudioPolicyManager::getDeviceCategory(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07004527{
4528 switch(getDeviceForVolume(device)) {
4529 case AUDIO_DEVICE_OUT_EARPIECE:
4530 return DEVICE_CATEGORY_EARPIECE;
4531 case AUDIO_DEVICE_OUT_WIRED_HEADSET:
4532 case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
4533 case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
4534 case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
4535 case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
4536 case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
4537 return DEVICE_CATEGORY_HEADSET;
Jon Eklundac29afa2014-07-28 16:06:06 -05004538 case AUDIO_DEVICE_OUT_LINE:
4539 case AUDIO_DEVICE_OUT_AUX_DIGITAL:
4540 /*USB? Remote submix?*/
4541 return DEVICE_CATEGORY_EXT_MEDIA;
Eric Laurente552edb2014-03-10 17:42:56 -07004542 case AUDIO_DEVICE_OUT_SPEAKER:
4543 case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
4544 case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
Eric Laurente552edb2014-03-10 17:42:56 -07004545 case AUDIO_DEVICE_OUT_USB_ACCESSORY:
4546 case AUDIO_DEVICE_OUT_USB_DEVICE:
4547 case AUDIO_DEVICE_OUT_REMOTE_SUBMIX:
4548 default:
4549 return DEVICE_CATEGORY_SPEAKER;
4550 }
4551}
4552
Eric Laurente0720872014-03-11 09:30:41 -07004553float AudioPolicyManager::volIndexToAmpl(audio_devices_t device, const StreamDescriptor& streamDesc,
Eric Laurente552edb2014-03-10 17:42:56 -07004554 int indexInUi)
4555{
4556 device_category deviceCategory = getDeviceCategory(device);
4557 const VolumeCurvePoint *curve = streamDesc.mVolumeCurve[deviceCategory];
4558
4559 // the volume index in the UI is relative to the min and max volume indices for this stream type
4560 int nbSteps = 1 + curve[VOLMAX].mIndex -
4561 curve[VOLMIN].mIndex;
4562 int volIdx = (nbSteps * (indexInUi - streamDesc.mIndexMin)) /
4563 (streamDesc.mIndexMax - streamDesc.mIndexMin);
4564
4565 // find what part of the curve this index volume belongs to, or if it's out of bounds
4566 int segment = 0;
4567 if (volIdx < curve[VOLMIN].mIndex) { // out of bounds
4568 return 0.0f;
4569 } else if (volIdx < curve[VOLKNEE1].mIndex) {
4570 segment = 0;
4571 } else if (volIdx < curve[VOLKNEE2].mIndex) {
4572 segment = 1;
4573 } else if (volIdx <= curve[VOLMAX].mIndex) {
4574 segment = 2;
4575 } else { // out of bounds
4576 return 1.0f;
4577 }
4578
4579 // linear interpolation in the attenuation table in dB
4580 float decibels = curve[segment].mDBAttenuation +
4581 ((float)(volIdx - curve[segment].mIndex)) *
4582 ( (curve[segment+1].mDBAttenuation -
4583 curve[segment].mDBAttenuation) /
4584 ((float)(curve[segment+1].mIndex -
4585 curve[segment].mIndex)) );
4586
4587 float amplification = exp( decibels * 0.115129f); // exp( dB * ln(10) / 20 )
4588
4589 ALOGVV("VOLUME vol index=[%d %d %d], dB=[%.1f %.1f %.1f] ampl=%.5f",
4590 curve[segment].mIndex, volIdx,
4591 curve[segment+1].mIndex,
4592 curve[segment].mDBAttenuation,
4593 decibels,
4594 curve[segment+1].mDBAttenuation,
4595 amplification);
4596
4597 return amplification;
4598}
4599
Eric Laurente0720872014-03-11 09:30:41 -07004600const AudioPolicyManager::VolumeCurvePoint
4601 AudioPolicyManager::sDefaultVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004602 {1, -49.5f}, {33, -33.5f}, {66, -17.0f}, {100, 0.0f}
4603};
4604
Eric Laurente0720872014-03-11 09:30:41 -07004605const AudioPolicyManager::VolumeCurvePoint
4606 AudioPolicyManager::sDefaultMediaVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004607 {1, -58.0f}, {20, -40.0f}, {60, -17.0f}, {100, 0.0f}
4608};
4609
Eric Laurente0720872014-03-11 09:30:41 -07004610const AudioPolicyManager::VolumeCurvePoint
Jon Eklundac29afa2014-07-28 16:06:06 -05004611 AudioPolicyManager::sExtMediaSystemVolumeCurve[AudioPolicyManager::VOLCNT] = {
4612 {1, -58.0f}, {20, -40.0f}, {60, -21.0f}, {100, -10.0f}
4613};
4614
4615const AudioPolicyManager::VolumeCurvePoint
Eric Laurente0720872014-03-11 09:30:41 -07004616 AudioPolicyManager::sSpeakerMediaVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004617 {1, -56.0f}, {20, -34.0f}, {60, -11.0f}, {100, 0.0f}
4618};
4619
Eric Laurente0720872014-03-11 09:30:41 -07004620const AudioPolicyManager::VolumeCurvePoint
Jean-Michel Triviccd8e4a2014-06-05 15:33:20 -07004621 AudioPolicyManager::sSpeakerMediaVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {
Jean-Michel Trivi98c60432014-07-09 08:51:34 -07004622 {1, -55.0f}, {20, -43.0f}, {86, -12.0f}, {100, 0.0f}
Jean-Michel Triviccd8e4a2014-06-05 15:33:20 -07004623};
4624
4625const AudioPolicyManager::VolumeCurvePoint
Eric Laurente0720872014-03-11 09:30:41 -07004626 AudioPolicyManager::sSpeakerSonificationVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004627 {1, -29.7f}, {33, -20.1f}, {66, -10.2f}, {100, 0.0f}
4628};
4629
Eric Laurente0720872014-03-11 09:30:41 -07004630const AudioPolicyManager::VolumeCurvePoint
4631 AudioPolicyManager::sSpeakerSonificationVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004632 {1, -35.7f}, {33, -26.1f}, {66, -13.2f}, {100, 0.0f}
4633};
4634
4635// AUDIO_STREAM_SYSTEM, AUDIO_STREAM_ENFORCED_AUDIBLE and AUDIO_STREAM_DTMF volume tracks
4636// AUDIO_STREAM_RING on phones and AUDIO_STREAM_MUSIC on tablets.
4637// AUDIO_STREAM_DTMF tracks AUDIO_STREAM_VOICE_CALL while in call (See AudioService.java).
4638// The range is constrained between -24dB and -6dB over speaker and -30dB and -18dB over headset.
4639
Eric Laurente0720872014-03-11 09:30:41 -07004640const AudioPolicyManager::VolumeCurvePoint
4641 AudioPolicyManager::sDefaultSystemVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004642 {1, -24.0f}, {33, -18.0f}, {66, -12.0f}, {100, -6.0f}
4643};
4644
Eric Laurente0720872014-03-11 09:30:41 -07004645const AudioPolicyManager::VolumeCurvePoint
4646 AudioPolicyManager::sDefaultSystemVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004647 {1, -34.0f}, {33, -24.0f}, {66, -15.0f}, {100, -6.0f}
4648};
4649
Eric Laurente0720872014-03-11 09:30:41 -07004650const AudioPolicyManager::VolumeCurvePoint
4651 AudioPolicyManager::sHeadsetSystemVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004652 {1, -30.0f}, {33, -26.0f}, {66, -22.0f}, {100, -18.0f}
4653};
4654
Eric Laurente0720872014-03-11 09:30:41 -07004655const AudioPolicyManager::VolumeCurvePoint
4656 AudioPolicyManager::sDefaultVoiceVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004657 {0, -42.0f}, {33, -28.0f}, {66, -14.0f}, {100, 0.0f}
4658};
4659
Eric Laurente0720872014-03-11 09:30:41 -07004660const AudioPolicyManager::VolumeCurvePoint
4661 AudioPolicyManager::sSpeakerVoiceVolumeCurve[AudioPolicyManager::VOLCNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004662 {0, -24.0f}, {33, -16.0f}, {66, -8.0f}, {100, 0.0f}
4663};
4664
Eric Laurente0720872014-03-11 09:30:41 -07004665const AudioPolicyManager::VolumeCurvePoint
4666 *AudioPolicyManager::sVolumeProfiles[AUDIO_STREAM_CNT]
4667 [AudioPolicyManager::DEVICE_CATEGORY_CNT] = {
Eric Laurente552edb2014-03-10 17:42:56 -07004668 { // AUDIO_STREAM_VOICE_CALL
4669 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_HEADSET
4670 sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004671 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4672 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004673 },
4674 { // AUDIO_STREAM_SYSTEM
4675 sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET
4676 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004677 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4678 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004679 },
4680 { // AUDIO_STREAM_RING
4681 sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET
4682 sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004683 sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4684 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004685 },
4686 { // AUDIO_STREAM_MUSIC
4687 sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_HEADSET
4688 sSpeakerMediaVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004689 sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4690 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004691 },
4692 { // AUDIO_STREAM_ALARM
4693 sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET
4694 sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004695 sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4696 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004697 },
4698 { // AUDIO_STREAM_NOTIFICATION
4699 sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET
4700 sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004701 sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4702 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004703 },
4704 { // AUDIO_STREAM_BLUETOOTH_SCO
4705 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_HEADSET
4706 sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004707 sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4708 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004709 },
4710 { // AUDIO_STREAM_ENFORCED_AUDIBLE
4711 sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET
4712 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004713 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4714 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004715 },
4716 { // AUDIO_STREAM_DTMF
4717 sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET
4718 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004719 sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4720 sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004721 },
4722 { // AUDIO_STREAM_TTS
4723 sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_HEADSET
4724 sSpeakerMediaVolumeCurve, // DEVICE_CATEGORY_SPEAKER
Jon Eklundac29afa2014-07-28 16:06:06 -05004725 sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_EARPIECE
4726 sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA
Eric Laurente552edb2014-03-10 17:42:56 -07004727 },
4728};
4729
Eric Laurente0720872014-03-11 09:30:41 -07004730void AudioPolicyManager::initializeVolumeCurves()
Eric Laurente552edb2014-03-10 17:42:56 -07004731{
4732 for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
4733 for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
4734 mStreams[i].mVolumeCurve[j] =
4735 sVolumeProfiles[i][j];
4736 }
4737 }
4738
4739 // Check availability of DRC on speaker path: if available, override some of the speaker curves
4740 if (mSpeakerDrcEnabled) {
4741 mStreams[AUDIO_STREAM_SYSTEM].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
4742 sDefaultSystemVolumeCurveDrc;
4743 mStreams[AUDIO_STREAM_RING].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
4744 sSpeakerSonificationVolumeCurveDrc;
4745 mStreams[AUDIO_STREAM_ALARM].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
4746 sSpeakerSonificationVolumeCurveDrc;
4747 mStreams[AUDIO_STREAM_NOTIFICATION].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
4748 sSpeakerSonificationVolumeCurveDrc;
Jean-Michel Triviccd8e4a2014-06-05 15:33:20 -07004749 mStreams[AUDIO_STREAM_MUSIC].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =
4750 sSpeakerMediaVolumeCurveDrc;
Eric Laurente552edb2014-03-10 17:42:56 -07004751 }
4752}
4753
Eric Laurente0720872014-03-11 09:30:41 -07004754float AudioPolicyManager::computeVolume(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07004755 int index,
4756 audio_io_handle_t output,
4757 audio_devices_t device)
4758{
4759 float volume = 1.0;
Eric Laurent1f2f2232014-06-02 12:01:23 -07004760 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07004761 StreamDescriptor &streamDesc = mStreams[stream];
4762
4763 if (device == AUDIO_DEVICE_NONE) {
4764 device = outputDesc->device();
4765 }
4766
Eric Laurente552edb2014-03-10 17:42:56 -07004767 volume = volIndexToAmpl(device, streamDesc, index);
4768
4769 // if a headset is connected, apply the following rules to ring tones and notifications
4770 // to avoid sound level bursts in user's ears:
4771 // - always attenuate ring tones and notifications volume by 6dB
4772 // - if music is playing, always limit the volume to current music volume,
4773 // with a minimum threshold at -36dB so that notification is always perceived.
Eric Laurent3b73df72014-03-11 09:06:29 -07004774 const routing_strategy stream_strategy = getStrategy(stream);
Eric Laurente552edb2014-03-10 17:42:56 -07004775 if ((device & (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
4776 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
4777 AUDIO_DEVICE_OUT_WIRED_HEADSET |
4778 AUDIO_DEVICE_OUT_WIRED_HEADPHONE)) &&
4779 ((stream_strategy == STRATEGY_SONIFICATION)
4780 || (stream_strategy == STRATEGY_SONIFICATION_RESPECTFUL)
Eric Laurent3b73df72014-03-11 09:06:29 -07004781 || (stream == AUDIO_STREAM_SYSTEM)
Eric Laurente552edb2014-03-10 17:42:56 -07004782 || ((stream_strategy == STRATEGY_ENFORCED_AUDIBLE) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07004783 (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_NONE))) &&
Eric Laurente552edb2014-03-10 17:42:56 -07004784 streamDesc.mCanBeMuted) {
4785 volume *= SONIFICATION_HEADSET_VOLUME_FACTOR;
4786 // when the phone is ringing we must consider that music could have been paused just before
4787 // by the music application and behave as if music was active if the last music track was
4788 // just stopped
Eric Laurent3b73df72014-03-11 09:06:29 -07004789 if (isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY) ||
Eric Laurente552edb2014-03-10 17:42:56 -07004790 mLimitRingtoneVolume) {
4791 audio_devices_t musicDevice = getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/);
Eric Laurent3b73df72014-03-11 09:06:29 -07004792 float musicVol = computeVolume(AUDIO_STREAM_MUSIC,
4793 mStreams[AUDIO_STREAM_MUSIC].getVolumeIndex(musicDevice),
Eric Laurente552edb2014-03-10 17:42:56 -07004794 output,
4795 musicDevice);
4796 float minVol = (musicVol > SONIFICATION_HEADSET_VOLUME_MIN) ?
4797 musicVol : SONIFICATION_HEADSET_VOLUME_MIN;
4798 if (volume > minVol) {
4799 volume = minVol;
4800 ALOGV("computeVolume limiting volume to %f musicVol %f", minVol, musicVol);
4801 }
4802 }
4803 }
4804
4805 return volume;
4806}
4807
Eric Laurente0720872014-03-11 09:30:41 -07004808status_t AudioPolicyManager::checkAndSetVolume(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07004809 int index,
4810 audio_io_handle_t output,
4811 audio_devices_t device,
4812 int delayMs,
4813 bool force)
4814{
4815
4816 // do not change actual stream volume if the stream is muted
4817 if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) {
4818 ALOGVV("checkAndSetVolume() stream %d muted count %d",
4819 stream, mOutputs.valueFor(output)->mMuteCount[stream]);
4820 return NO_ERROR;
4821 }
4822
4823 // do not change in call volume if bluetooth is connected and vice versa
Eric Laurent3b73df72014-03-11 09:06:29 -07004824 if ((stream == AUDIO_STREAM_VOICE_CALL &&
4825 mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] == AUDIO_POLICY_FORCE_BT_SCO) ||
4826 (stream == AUDIO_STREAM_BLUETOOTH_SCO &&
4827 mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION] != AUDIO_POLICY_FORCE_BT_SCO)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004828 ALOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm",
Eric Laurent3b73df72014-03-11 09:06:29 -07004829 stream, mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]);
Eric Laurente552edb2014-03-10 17:42:56 -07004830 return INVALID_OPERATION;
4831 }
4832
4833 float volume = computeVolume(stream, index, output, device);
4834 // We actually change the volume if:
4835 // - the float value returned by computeVolume() changed
4836 // - the force flag is set
4837 if (volume != mOutputs.valueFor(output)->mCurVolume[stream] ||
4838 force) {
4839 mOutputs.valueFor(output)->mCurVolume[stream] = volume;
4840 ALOGVV("checkAndSetVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs);
4841 // Force VOICE_CALL to track BLUETOOTH_SCO stream volume when bluetooth audio is
4842 // enabled
Eric Laurent3b73df72014-03-11 09:06:29 -07004843 if (stream == AUDIO_STREAM_BLUETOOTH_SCO) {
4844 mpClientInterface->setStreamVolume(AUDIO_STREAM_VOICE_CALL, volume, output, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07004845 }
Eric Laurent3b73df72014-03-11 09:06:29 -07004846 mpClientInterface->setStreamVolume(stream, volume, output, delayMs);
Eric Laurente552edb2014-03-10 17:42:56 -07004847 }
4848
Eric Laurent3b73df72014-03-11 09:06:29 -07004849 if (stream == AUDIO_STREAM_VOICE_CALL ||
4850 stream == AUDIO_STREAM_BLUETOOTH_SCO) {
Eric Laurente552edb2014-03-10 17:42:56 -07004851 float voiceVolume;
4852 // Force voice volume to max for bluetooth SCO as volume is managed by the headset
Eric Laurent3b73df72014-03-11 09:06:29 -07004853 if (stream == AUDIO_STREAM_VOICE_CALL) {
Eric Laurente552edb2014-03-10 17:42:56 -07004854 voiceVolume = (float)index/(float)mStreams[stream].mIndexMax;
4855 } else {
4856 voiceVolume = 1.0;
4857 }
4858
4859 if (voiceVolume != mLastVoiceVolume && output == mPrimaryOutput) {
4860 mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
4861 mLastVoiceVolume = voiceVolume;
4862 }
4863 }
4864
4865 return NO_ERROR;
4866}
4867
Eric Laurente0720872014-03-11 09:30:41 -07004868void AudioPolicyManager::applyStreamVolumes(audio_io_handle_t output,
Eric Laurente552edb2014-03-10 17:42:56 -07004869 audio_devices_t device,
4870 int delayMs,
4871 bool force)
4872{
4873 ALOGVV("applyStreamVolumes() for output %d and device %x", output, device);
4874
Eric Laurent3b73df72014-03-11 09:06:29 -07004875 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
4876 checkAndSetVolume((audio_stream_type_t)stream,
Eric Laurente552edb2014-03-10 17:42:56 -07004877 mStreams[stream].getVolumeIndex(device),
4878 output,
4879 device,
4880 delayMs,
4881 force);
4882 }
4883}
4884
Eric Laurente0720872014-03-11 09:30:41 -07004885void AudioPolicyManager::setStrategyMute(routing_strategy strategy,
Eric Laurente552edb2014-03-10 17:42:56 -07004886 bool on,
4887 audio_io_handle_t output,
4888 int delayMs,
4889 audio_devices_t device)
4890{
4891 ALOGVV("setStrategyMute() strategy %d, mute %d, output %d", strategy, on, output);
Eric Laurent3b73df72014-03-11 09:06:29 -07004892 for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
4893 if (getStrategy((audio_stream_type_t)stream) == strategy) {
4894 setStreamMute((audio_stream_type_t)stream, on, output, delayMs, device);
Eric Laurente552edb2014-03-10 17:42:56 -07004895 }
4896 }
4897}
4898
Eric Laurente0720872014-03-11 09:30:41 -07004899void AudioPolicyManager::setStreamMute(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07004900 bool on,
4901 audio_io_handle_t output,
4902 int delayMs,
4903 audio_devices_t device)
4904{
4905 StreamDescriptor &streamDesc = mStreams[stream];
Eric Laurent1f2f2232014-06-02 12:01:23 -07004906 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
Eric Laurente552edb2014-03-10 17:42:56 -07004907 if (device == AUDIO_DEVICE_NONE) {
4908 device = outputDesc->device();
4909 }
4910
4911 ALOGVV("setStreamMute() stream %d, mute %d, output %d, mMuteCount %d device %04x",
4912 stream, on, output, outputDesc->mMuteCount[stream], device);
4913
4914 if (on) {
4915 if (outputDesc->mMuteCount[stream] == 0) {
4916 if (streamDesc.mCanBeMuted &&
Eric Laurent3b73df72014-03-11 09:06:29 -07004917 ((stream != AUDIO_STREAM_ENFORCED_AUDIBLE) ||
4918 (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_NONE))) {
Eric Laurente552edb2014-03-10 17:42:56 -07004919 checkAndSetVolume(stream, 0, output, device, delayMs);
4920 }
4921 }
4922 // increment mMuteCount after calling checkAndSetVolume() so that volume change is not ignored
4923 outputDesc->mMuteCount[stream]++;
4924 } else {
4925 if (outputDesc->mMuteCount[stream] == 0) {
4926 ALOGV("setStreamMute() unmuting non muted stream!");
4927 return;
4928 }
4929 if (--outputDesc->mMuteCount[stream] == 0) {
4930 checkAndSetVolume(stream,
4931 streamDesc.getVolumeIndex(device),
4932 output,
4933 device,
4934 delayMs);
4935 }
4936 }
4937}
4938
Eric Laurente0720872014-03-11 09:30:41 -07004939void AudioPolicyManager::handleIncallSonification(audio_stream_type_t stream,
Eric Laurent3b73df72014-03-11 09:06:29 -07004940 bool starting, bool stateChange)
Eric Laurente552edb2014-03-10 17:42:56 -07004941{
4942 // if the stream pertains to sonification strategy and we are in call we must
4943 // mute the stream if it is low visibility. If it is high visibility, we must play a tone
4944 // in the device used for phone strategy and play the tone if the selected device does not
4945 // interfere with the device used for phone strategy
4946 // if stateChange is true, we are called from setPhoneState() and we must mute or unmute as
4947 // many times as there are active tracks on the output
Eric Laurent3b73df72014-03-11 09:06:29 -07004948 const routing_strategy stream_strategy = getStrategy(stream);
Eric Laurente552edb2014-03-10 17:42:56 -07004949 if ((stream_strategy == STRATEGY_SONIFICATION) ||
4950 ((stream_strategy == STRATEGY_SONIFICATION_RESPECTFUL))) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07004951 sp<AudioOutputDescriptor> outputDesc = mOutputs.valueFor(mPrimaryOutput);
Eric Laurente552edb2014-03-10 17:42:56 -07004952 ALOGV("handleIncallSonification() stream %d starting %d device %x stateChange %d",
4953 stream, starting, outputDesc->mDevice, stateChange);
4954 if (outputDesc->mRefCount[stream]) {
4955 int muteCount = 1;
4956 if (stateChange) {
4957 muteCount = outputDesc->mRefCount[stream];
4958 }
Eric Laurent3b73df72014-03-11 09:06:29 -07004959 if (audio_is_low_visibility(stream)) {
Eric Laurente552edb2014-03-10 17:42:56 -07004960 ALOGV("handleIncallSonification() low visibility, muteCount %d", muteCount);
4961 for (int i = 0; i < muteCount; i++) {
4962 setStreamMute(stream, starting, mPrimaryOutput);
4963 }
4964 } else {
4965 ALOGV("handleIncallSonification() high visibility");
4966 if (outputDesc->device() &
4967 getDeviceForStrategy(STRATEGY_PHONE, true /*fromCache*/)) {
4968 ALOGV("handleIncallSonification() high visibility muted, muteCount %d", muteCount);
4969 for (int i = 0; i < muteCount; i++) {
4970 setStreamMute(stream, starting, mPrimaryOutput);
4971 }
4972 }
4973 if (starting) {
Eric Laurent3b73df72014-03-11 09:06:29 -07004974 mpClientInterface->startTone(AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION,
4975 AUDIO_STREAM_VOICE_CALL);
Eric Laurente552edb2014-03-10 17:42:56 -07004976 } else {
4977 mpClientInterface->stopTone();
4978 }
4979 }
4980 }
4981 }
4982}
4983
Eric Laurente0720872014-03-11 09:30:41 -07004984bool AudioPolicyManager::isInCall()
Eric Laurente552edb2014-03-10 17:42:56 -07004985{
4986 return isStateInCall(mPhoneState);
4987}
4988
Eric Laurente0720872014-03-11 09:30:41 -07004989bool AudioPolicyManager::isStateInCall(int state) {
Eric Laurent3b73df72014-03-11 09:06:29 -07004990 return ((state == AUDIO_MODE_IN_CALL) ||
4991 (state == AUDIO_MODE_IN_COMMUNICATION));
Eric Laurente552edb2014-03-10 17:42:56 -07004992}
4993
Eric Laurente0720872014-03-11 09:30:41 -07004994uint32_t AudioPolicyManager::getMaxEffectsCpuLoad()
Eric Laurente552edb2014-03-10 17:42:56 -07004995{
4996 return MAX_EFFECTS_CPU_LOAD;
4997}
4998
Eric Laurente0720872014-03-11 09:30:41 -07004999uint32_t AudioPolicyManager::getMaxEffectsMemory()
Eric Laurente552edb2014-03-10 17:42:56 -07005000{
5001 return MAX_EFFECTS_MEMORY;
5002}
5003
Eric Laurent6a94d692014-05-20 11:18:06 -07005004
Eric Laurente552edb2014-03-10 17:42:56 -07005005// --- AudioOutputDescriptor class implementation
5006
Eric Laurente0720872014-03-11 09:30:41 -07005007AudioPolicyManager::AudioOutputDescriptor::AudioOutputDescriptor(
Eric Laurent1c333e22014-05-20 10:48:17 -07005008 const sp<IOProfile>& profile)
Eric Laurent1f2f2232014-06-02 12:01:23 -07005009 : mId(0), mIoHandle(0), mLatency(0),
Eric Laurent1c333e22014-05-20 10:48:17 -07005010 mFlags((audio_output_flags_t)0), mDevice(AUDIO_DEVICE_NONE), mPatchHandle(0),
Eric Laurente552edb2014-03-10 17:42:56 -07005011 mOutput1(0), mOutput2(0), mProfile(profile), mDirectOpenCount(0)
5012{
5013 // clear usage count for all stream types
Eric Laurent3b73df72014-03-11 09:06:29 -07005014 for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
Eric Laurente552edb2014-03-10 17:42:56 -07005015 mRefCount[i] = 0;
5016 mCurVolume[i] = -1.0;
5017 mMuteCount[i] = 0;
5018 mStopTime[i] = 0;
5019 }
5020 for (int i = 0; i < NUM_STRATEGIES; i++) {
5021 mStrategyMutedByDevice[i] = false;
5022 }
5023 if (profile != NULL) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07005024 mAudioPort = profile;
Eric Laurentd8622372014-07-27 13:47:31 -07005025 mFlags = profile->mFlags;
Eric Laurent1e693b52014-07-09 15:03:28 -07005026 mSamplingRate = profile->pickSamplingRate();
5027 mFormat = profile->pickFormat();
5028 mChannelMask = profile->pickChannelMask();
Eric Laurenta121f902014-06-03 13:32:54 -07005029 if (profile->mGains.size() > 0) {
5030 profile->mGains[0]->getDefaultConfig(&mGain);
5031 }
Eric Laurente552edb2014-03-10 17:42:56 -07005032 }
5033}
5034
Eric Laurente0720872014-03-11 09:30:41 -07005035audio_devices_t AudioPolicyManager::AudioOutputDescriptor::device() const
Eric Laurente552edb2014-03-10 17:42:56 -07005036{
5037 if (isDuplicated()) {
5038 return (audio_devices_t)(mOutput1->mDevice | mOutput2->mDevice);
5039 } else {
5040 return mDevice;
5041 }
5042}
5043
Eric Laurente0720872014-03-11 09:30:41 -07005044uint32_t AudioPolicyManager::AudioOutputDescriptor::latency()
Eric Laurente552edb2014-03-10 17:42:56 -07005045{
5046 if (isDuplicated()) {
5047 return (mOutput1->mLatency > mOutput2->mLatency) ? mOutput1->mLatency : mOutput2->mLatency;
5048 } else {
5049 return mLatency;
5050 }
5051}
5052
Eric Laurente0720872014-03-11 09:30:41 -07005053bool AudioPolicyManager::AudioOutputDescriptor::sharesHwModuleWith(
Eric Laurent1f2f2232014-06-02 12:01:23 -07005054 const sp<AudioOutputDescriptor> outputDesc)
Eric Laurente552edb2014-03-10 17:42:56 -07005055{
5056 if (isDuplicated()) {
5057 return mOutput1->sharesHwModuleWith(outputDesc) || mOutput2->sharesHwModuleWith(outputDesc);
5058 } else if (outputDesc->isDuplicated()){
5059 return sharesHwModuleWith(outputDesc->mOutput1) || sharesHwModuleWith(outputDesc->mOutput2);
5060 } else {
5061 return (mProfile->mModule == outputDesc->mProfile->mModule);
5062 }
5063}
5064
Eric Laurente0720872014-03-11 09:30:41 -07005065void AudioPolicyManager::AudioOutputDescriptor::changeRefCount(audio_stream_type_t stream,
Eric Laurent3b73df72014-03-11 09:06:29 -07005066 int delta)
Eric Laurente552edb2014-03-10 17:42:56 -07005067{
5068 // forward usage count change to attached outputs
5069 if (isDuplicated()) {
5070 mOutput1->changeRefCount(stream, delta);
5071 mOutput2->changeRefCount(stream, delta);
5072 }
5073 if ((delta + (int)mRefCount[stream]) < 0) {
Eric Laurent3b73df72014-03-11 09:06:29 -07005074 ALOGW("changeRefCount() invalid delta %d for stream %d, refCount %d",
5075 delta, stream, mRefCount[stream]);
Eric Laurente552edb2014-03-10 17:42:56 -07005076 mRefCount[stream] = 0;
5077 return;
5078 }
5079 mRefCount[stream] += delta;
5080 ALOGV("changeRefCount() stream %d, count %d", stream, mRefCount[stream]);
5081}
5082
Eric Laurente0720872014-03-11 09:30:41 -07005083audio_devices_t AudioPolicyManager::AudioOutputDescriptor::supportedDevices()
Eric Laurente552edb2014-03-10 17:42:56 -07005084{
5085 if (isDuplicated()) {
5086 return (audio_devices_t)(mOutput1->supportedDevices() | mOutput2->supportedDevices());
5087 } else {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005088 return mProfile->mSupportedDevices.types() ;
Eric Laurente552edb2014-03-10 17:42:56 -07005089 }
5090}
5091
Eric Laurente0720872014-03-11 09:30:41 -07005092bool AudioPolicyManager::AudioOutputDescriptor::isActive(uint32_t inPastMs) const
Eric Laurente552edb2014-03-10 17:42:56 -07005093{
5094 return isStrategyActive(NUM_STRATEGIES, inPastMs);
5095}
5096
Eric Laurente0720872014-03-11 09:30:41 -07005097bool AudioPolicyManager::AudioOutputDescriptor::isStrategyActive(routing_strategy strategy,
Eric Laurente552edb2014-03-10 17:42:56 -07005098 uint32_t inPastMs,
5099 nsecs_t sysTime) const
5100{
5101 if ((sysTime == 0) && (inPastMs != 0)) {
5102 sysTime = systemTime();
5103 }
Eric Laurent3b73df72014-03-11 09:06:29 -07005104 for (int i = 0; i < (int)AUDIO_STREAM_CNT; i++) {
5105 if (((getStrategy((audio_stream_type_t)i) == strategy) ||
Eric Laurente552edb2014-03-10 17:42:56 -07005106 (NUM_STRATEGIES == strategy)) &&
Eric Laurent3b73df72014-03-11 09:06:29 -07005107 isStreamActive((audio_stream_type_t)i, inPastMs, sysTime)) {
Eric Laurente552edb2014-03-10 17:42:56 -07005108 return true;
5109 }
5110 }
5111 return false;
5112}
5113
Eric Laurente0720872014-03-11 09:30:41 -07005114bool AudioPolicyManager::AudioOutputDescriptor::isStreamActive(audio_stream_type_t stream,
Eric Laurente552edb2014-03-10 17:42:56 -07005115 uint32_t inPastMs,
5116 nsecs_t sysTime) const
5117{
5118 if (mRefCount[stream] != 0) {
5119 return true;
5120 }
5121 if (inPastMs == 0) {
5122 return false;
5123 }
5124 if (sysTime == 0) {
5125 sysTime = systemTime();
5126 }
5127 if (ns2ms(sysTime - mStopTime[stream]) < inPastMs) {
5128 return true;
5129 }
5130 return false;
5131}
5132
Eric Laurent1c333e22014-05-20 10:48:17 -07005133void AudioPolicyManager::AudioOutputDescriptor::toAudioPortConfig(
Eric Laurent6a94d692014-05-20 11:18:06 -07005134 struct audio_port_config *dstConfig,
5135 const struct audio_port_config *srcConfig) const
Eric Laurent1c333e22014-05-20 10:48:17 -07005136{
Eric Laurent84c70242014-06-23 08:46:27 -07005137 ALOG_ASSERT(!isDuplicated(), "toAudioPortConfig() called on duplicated output %d", mIoHandle);
5138
Eric Laurent1f2f2232014-06-02 12:01:23 -07005139 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK|
5140 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN;
5141 if (srcConfig != NULL) {
Eric Laurent84c70242014-06-23 08:46:27 -07005142 dstConfig->config_mask |= srcConfig->config_mask;
Eric Laurent1f2f2232014-06-02 12:01:23 -07005143 }
5144 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
5145
Eric Laurent6a94d692014-05-20 11:18:06 -07005146 dstConfig->id = mId;
5147 dstConfig->role = AUDIO_PORT_ROLE_SOURCE;
5148 dstConfig->type = AUDIO_PORT_TYPE_MIX;
Eric Laurent6a94d692014-05-20 11:18:06 -07005149 dstConfig->ext.mix.hw_module = mProfile->mModule->mHandle;
5150 dstConfig->ext.mix.handle = mIoHandle;
5151 dstConfig->ext.mix.usecase.stream = AUDIO_STREAM_DEFAULT;
Eric Laurent1c333e22014-05-20 10:48:17 -07005152}
5153
5154void AudioPolicyManager::AudioOutputDescriptor::toAudioPort(
5155 struct audio_port *port) const
5156{
Eric Laurent84c70242014-06-23 08:46:27 -07005157 ALOG_ASSERT(!isDuplicated(), "toAudioPort() called on duplicated output %d", mIoHandle);
Eric Laurent1c333e22014-05-20 10:48:17 -07005158 mProfile->toAudioPort(port);
5159 port->id = mId;
Eric Laurent6a94d692014-05-20 11:18:06 -07005160 toAudioPortConfig(&port->active_config);
5161 port->ext.mix.hw_module = mProfile->mModule->mHandle;
Eric Laurent1c333e22014-05-20 10:48:17 -07005162 port->ext.mix.handle = mIoHandle;
5163 port->ext.mix.latency_class =
5164 mFlags & AUDIO_OUTPUT_FLAG_FAST ? AUDIO_LATENCY_LOW : AUDIO_LATENCY_NORMAL;
5165}
Eric Laurente552edb2014-03-10 17:42:56 -07005166
Eric Laurente0720872014-03-11 09:30:41 -07005167status_t AudioPolicyManager::AudioOutputDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005168{
5169 const size_t SIZE = 256;
5170 char buffer[SIZE];
5171 String8 result;
5172
5173 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
5174 result.append(buffer);
5175 snprintf(buffer, SIZE, " Format: %08x\n", mFormat);
5176 result.append(buffer);
5177 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask);
5178 result.append(buffer);
5179 snprintf(buffer, SIZE, " Latency: %d\n", mLatency);
5180 result.append(buffer);
5181 snprintf(buffer, SIZE, " Flags %08x\n", mFlags);
5182 result.append(buffer);
5183 snprintf(buffer, SIZE, " Devices %08x\n", device());
5184 result.append(buffer);
5185 snprintf(buffer, SIZE, " Stream volume refCount muteCount\n");
5186 result.append(buffer);
Eric Laurent3b73df72014-03-11 09:06:29 -07005187 for (int i = 0; i < (int)AUDIO_STREAM_CNT; i++) {
5188 snprintf(buffer, SIZE, " %02d %.03f %02d %02d\n",
5189 i, mCurVolume[i], mRefCount[i], mMuteCount[i]);
Eric Laurente552edb2014-03-10 17:42:56 -07005190 result.append(buffer);
5191 }
5192 write(fd, result.string(), result.size());
5193
5194 return NO_ERROR;
5195}
5196
5197// --- AudioInputDescriptor class implementation
5198
Eric Laurent1c333e22014-05-20 10:48:17 -07005199AudioPolicyManager::AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile)
Eric Laurent1f2f2232014-06-02 12:01:23 -07005200 : mId(0), mIoHandle(0),
Eric Laurent1c333e22014-05-20 10:48:17 -07005201 mDevice(AUDIO_DEVICE_NONE), mPatchHandle(0), mRefCount(0),
Eric Laurentdf3dc7e2014-07-27 18:39:40 -07005202 mInputSource(AUDIO_SOURCE_DEFAULT), mProfile(profile), mIsSoundTrigger(false)
Eric Laurente552edb2014-03-10 17:42:56 -07005203{
Eric Laurent3a4311c2014-03-17 12:00:47 -07005204 if (profile != NULL) {
Eric Laurent1f2f2232014-06-02 12:01:23 -07005205 mAudioPort = profile;
Eric Laurent1e693b52014-07-09 15:03:28 -07005206 mSamplingRate = profile->pickSamplingRate();
5207 mFormat = profile->pickFormat();
5208 mChannelMask = profile->pickChannelMask();
Eric Laurenta121f902014-06-03 13:32:54 -07005209 if (profile->mGains.size() > 0) {
5210 profile->mGains[0]->getDefaultConfig(&mGain);
5211 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07005212 }
Eric Laurente552edb2014-03-10 17:42:56 -07005213}
5214
Eric Laurent1c333e22014-05-20 10:48:17 -07005215void AudioPolicyManager::AudioInputDescriptor::toAudioPortConfig(
Eric Laurent6a94d692014-05-20 11:18:06 -07005216 struct audio_port_config *dstConfig,
5217 const struct audio_port_config *srcConfig) const
Eric Laurent1c333e22014-05-20 10:48:17 -07005218{
Eric Laurent84c70242014-06-23 08:46:27 -07005219 ALOG_ASSERT(mProfile != 0,
5220 "toAudioPortConfig() called on input with null profile %d", mIoHandle);
Eric Laurent1f2f2232014-06-02 12:01:23 -07005221 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK|
5222 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN;
5223 if (srcConfig != NULL) {
Eric Laurent84c70242014-06-23 08:46:27 -07005224 dstConfig->config_mask |= srcConfig->config_mask;
Eric Laurent1f2f2232014-06-02 12:01:23 -07005225 }
5226
5227 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
5228
Eric Laurent6a94d692014-05-20 11:18:06 -07005229 dstConfig->id = mId;
5230 dstConfig->role = AUDIO_PORT_ROLE_SINK;
5231 dstConfig->type = AUDIO_PORT_TYPE_MIX;
Eric Laurent62aaabb2014-06-02 10:40:54 -07005232 dstConfig->ext.mix.hw_module = mProfile->mModule->mHandle;
5233 dstConfig->ext.mix.handle = mIoHandle;
5234 dstConfig->ext.mix.usecase.source = mInputSource;
Eric Laurent1c333e22014-05-20 10:48:17 -07005235}
5236
5237void AudioPolicyManager::AudioInputDescriptor::toAudioPort(
5238 struct audio_port *port) const
5239{
Eric Laurent84c70242014-06-23 08:46:27 -07005240 ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle);
5241
Eric Laurent1c333e22014-05-20 10:48:17 -07005242 mProfile->toAudioPort(port);
5243 port->id = mId;
Eric Laurent6a94d692014-05-20 11:18:06 -07005244 toAudioPortConfig(&port->active_config);
5245 port->ext.mix.hw_module = mProfile->mModule->mHandle;
Eric Laurent1c333e22014-05-20 10:48:17 -07005246 port->ext.mix.handle = mIoHandle;
5247 port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL;
5248}
5249
Eric Laurente0720872014-03-11 09:30:41 -07005250status_t AudioPolicyManager::AudioInputDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005251{
5252 const size_t SIZE = 256;
5253 char buffer[SIZE];
5254 String8 result;
5255
5256 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
5257 result.append(buffer);
5258 snprintf(buffer, SIZE, " Format: %d\n", mFormat);
5259 result.append(buffer);
5260 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask);
5261 result.append(buffer);
5262 snprintf(buffer, SIZE, " Devices %08x\n", mDevice);
5263 result.append(buffer);
5264 snprintf(buffer, SIZE, " Ref Count %d\n", mRefCount);
5265 result.append(buffer);
Glenn Kasten6a8ab052014-07-24 14:08:35 -07005266 snprintf(buffer, SIZE, " Open Ref Count %d\n", mOpenRefCount);
5267 result.append(buffer);
5268
Eric Laurente552edb2014-03-10 17:42:56 -07005269 write(fd, result.string(), result.size());
5270
5271 return NO_ERROR;
5272}
5273
5274// --- StreamDescriptor class implementation
5275
Eric Laurente0720872014-03-11 09:30:41 -07005276AudioPolicyManager::StreamDescriptor::StreamDescriptor()
Eric Laurente552edb2014-03-10 17:42:56 -07005277 : mIndexMin(0), mIndexMax(1), mCanBeMuted(true)
5278{
5279 mIndexCur.add(AUDIO_DEVICE_OUT_DEFAULT, 0);
5280}
5281
Eric Laurente0720872014-03-11 09:30:41 -07005282int AudioPolicyManager::StreamDescriptor::getVolumeIndex(audio_devices_t device)
Eric Laurente552edb2014-03-10 17:42:56 -07005283{
Eric Laurente0720872014-03-11 09:30:41 -07005284 device = AudioPolicyManager::getDeviceForVolume(device);
Eric Laurente552edb2014-03-10 17:42:56 -07005285 // there is always a valid entry for AUDIO_DEVICE_OUT_DEFAULT
5286 if (mIndexCur.indexOfKey(device) < 0) {
5287 device = AUDIO_DEVICE_OUT_DEFAULT;
5288 }
5289 return mIndexCur.valueFor(device);
5290}
5291
Eric Laurente0720872014-03-11 09:30:41 -07005292void AudioPolicyManager::StreamDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005293{
5294 const size_t SIZE = 256;
5295 char buffer[SIZE];
5296 String8 result;
5297
5298 snprintf(buffer, SIZE, "%s %02d %02d ",
5299 mCanBeMuted ? "true " : "false", mIndexMin, mIndexMax);
5300 result.append(buffer);
5301 for (size_t i = 0; i < mIndexCur.size(); i++) {
5302 snprintf(buffer, SIZE, "%04x : %02d, ",
5303 mIndexCur.keyAt(i),
5304 mIndexCur.valueAt(i));
5305 result.append(buffer);
5306 }
5307 result.append("\n");
5308
5309 write(fd, result.string(), result.size());
5310}
5311
5312// --- EffectDescriptor class implementation
5313
Eric Laurente0720872014-03-11 09:30:41 -07005314status_t AudioPolicyManager::EffectDescriptor::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005315{
5316 const size_t SIZE = 256;
5317 char buffer[SIZE];
5318 String8 result;
5319
5320 snprintf(buffer, SIZE, " I/O: %d\n", mIo);
5321 result.append(buffer);
5322 snprintf(buffer, SIZE, " Strategy: %d\n", mStrategy);
5323 result.append(buffer);
5324 snprintf(buffer, SIZE, " Session: %d\n", mSession);
5325 result.append(buffer);
5326 snprintf(buffer, SIZE, " Name: %s\n", mDesc.name);
5327 result.append(buffer);
5328 snprintf(buffer, SIZE, " %s\n", mEnabled ? "Enabled" : "Disabled");
5329 result.append(buffer);
5330 write(fd, result.string(), result.size());
5331
5332 return NO_ERROR;
5333}
5334
Eric Laurent1c333e22014-05-20 10:48:17 -07005335// --- HwModule class implementation
Eric Laurente552edb2014-03-10 17:42:56 -07005336
Eric Laurente0720872014-03-11 09:30:41 -07005337AudioPolicyManager::HwModule::HwModule(const char *name)
Eric Laurenteb108a42014-06-06 14:56:52 -07005338 : mName(strndup(name, AUDIO_HARDWARE_MODULE_ID_MAX_LEN)),
5339 mHalVersion(AUDIO_DEVICE_API_VERSION_MIN), mHandle(0)
Eric Laurente552edb2014-03-10 17:42:56 -07005340{
5341}
5342
Eric Laurente0720872014-03-11 09:30:41 -07005343AudioPolicyManager::HwModule::~HwModule()
Eric Laurente552edb2014-03-10 17:42:56 -07005344{
5345 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005346 mOutputProfiles[i]->mSupportedDevices.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07005347 }
5348 for (size_t i = 0; i < mInputProfiles.size(); i++) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07005349 mInputProfiles[i]->mSupportedDevices.clear();
Eric Laurente552edb2014-03-10 17:42:56 -07005350 }
5351 free((void *)mName);
5352}
5353
Eric Laurent1afeecb2014-05-14 08:52:28 -07005354status_t AudioPolicyManager::HwModule::loadInput(cnode *root)
5355{
5356 cnode *node = root->first_child;
5357
5358 sp<IOProfile> profile = new IOProfile(String8(root->name), AUDIO_PORT_ROLE_SINK, this);
5359
5360 while (node) {
5361 if (strcmp(node->name, SAMPLING_RATES_TAG) == 0) {
5362 profile->loadSamplingRates((char *)node->value);
5363 } else if (strcmp(node->name, FORMATS_TAG) == 0) {
5364 profile->loadFormats((char *)node->value);
5365 } else if (strcmp(node->name, CHANNELS_TAG) == 0) {
5366 profile->loadInChannels((char *)node->value);
5367 } else if (strcmp(node->name, DEVICES_TAG) == 0) {
5368 profile->mSupportedDevices.loadDevicesFromName((char *)node->value,
5369 mDeclaredDevices);
5370 } else if (strcmp(node->name, GAINS_TAG) == 0) {
5371 profile->loadGains(node);
5372 }
5373 node = node->next;
5374 }
5375 ALOGW_IF(profile->mSupportedDevices.isEmpty(),
5376 "loadInput() invalid supported devices");
5377 ALOGW_IF(profile->mChannelMasks.size() == 0,
5378 "loadInput() invalid supported channel masks");
5379 ALOGW_IF(profile->mSamplingRates.size() == 0,
5380 "loadInput() invalid supported sampling rates");
5381 ALOGW_IF(profile->mFormats.size() == 0,
5382 "loadInput() invalid supported formats");
5383 if (!profile->mSupportedDevices.isEmpty() &&
5384 (profile->mChannelMasks.size() != 0) &&
5385 (profile->mSamplingRates.size() != 0) &&
5386 (profile->mFormats.size() != 0)) {
5387
5388 ALOGV("loadInput() adding input Supported Devices %04x",
5389 profile->mSupportedDevices.types());
5390
5391 mInputProfiles.add(profile);
5392 return NO_ERROR;
5393 } else {
5394 return BAD_VALUE;
5395 }
5396}
5397
5398status_t AudioPolicyManager::HwModule::loadOutput(cnode *root)
5399{
5400 cnode *node = root->first_child;
5401
5402 sp<IOProfile> profile = new IOProfile(String8(root->name), AUDIO_PORT_ROLE_SOURCE, this);
5403
5404 while (node) {
5405 if (strcmp(node->name, SAMPLING_RATES_TAG) == 0) {
5406 profile->loadSamplingRates((char *)node->value);
5407 } else if (strcmp(node->name, FORMATS_TAG) == 0) {
5408 profile->loadFormats((char *)node->value);
5409 } else if (strcmp(node->name, CHANNELS_TAG) == 0) {
5410 profile->loadOutChannels((char *)node->value);
5411 } else if (strcmp(node->name, DEVICES_TAG) == 0) {
5412 profile->mSupportedDevices.loadDevicesFromName((char *)node->value,
5413 mDeclaredDevices);
5414 } else if (strcmp(node->name, FLAGS_TAG) == 0) {
5415 profile->mFlags = parseFlagNames((char *)node->value);
5416 } else if (strcmp(node->name, GAINS_TAG) == 0) {
5417 profile->loadGains(node);
5418 }
5419 node = node->next;
5420 }
5421 ALOGW_IF(profile->mSupportedDevices.isEmpty(),
5422 "loadOutput() invalid supported devices");
5423 ALOGW_IF(profile->mChannelMasks.size() == 0,
5424 "loadOutput() invalid supported channel masks");
5425 ALOGW_IF(profile->mSamplingRates.size() == 0,
5426 "loadOutput() invalid supported sampling rates");
5427 ALOGW_IF(profile->mFormats.size() == 0,
5428 "loadOutput() invalid supported formats");
5429 if (!profile->mSupportedDevices.isEmpty() &&
5430 (profile->mChannelMasks.size() != 0) &&
5431 (profile->mSamplingRates.size() != 0) &&
5432 (profile->mFormats.size() != 0)) {
5433
5434 ALOGV("loadOutput() adding output Supported Devices %04x, mFlags %04x",
5435 profile->mSupportedDevices.types(), profile->mFlags);
5436
5437 mOutputProfiles.add(profile);
5438 return NO_ERROR;
5439 } else {
5440 return BAD_VALUE;
5441 }
5442}
5443
5444status_t AudioPolicyManager::HwModule::loadDevice(cnode *root)
5445{
5446 cnode *node = root->first_child;
5447
5448 audio_devices_t type = AUDIO_DEVICE_NONE;
5449 while (node) {
5450 if (strcmp(node->name, DEVICE_TYPE) == 0) {
5451 type = parseDeviceNames((char *)node->value);
5452 break;
5453 }
5454 node = node->next;
5455 }
5456 if (type == AUDIO_DEVICE_NONE ||
5457 (!audio_is_input_device(type) && !audio_is_output_device(type))) {
5458 ALOGW("loadDevice() bad type %08x", type);
5459 return BAD_VALUE;
5460 }
5461 sp<DeviceDescriptor> deviceDesc = new DeviceDescriptor(String8(root->name), type);
5462 deviceDesc->mModule = this;
5463
5464 node = root->first_child;
5465 while (node) {
5466 if (strcmp(node->name, DEVICE_ADDRESS) == 0) {
5467 deviceDesc->mAddress = String8((char *)node->value);
5468 } else if (strcmp(node->name, CHANNELS_TAG) == 0) {
5469 if (audio_is_input_device(type)) {
5470 deviceDesc->loadInChannels((char *)node->value);
5471 } else {
5472 deviceDesc->loadOutChannels((char *)node->value);
5473 }
5474 } else if (strcmp(node->name, GAINS_TAG) == 0) {
5475 deviceDesc->loadGains(node);
5476 }
5477 node = node->next;
5478 }
5479
5480 ALOGV("loadDevice() adding device name %s type %08x address %s",
5481 deviceDesc->mName.string(), type, deviceDesc->mAddress.string());
5482
5483 mDeclaredDevices.add(deviceDesc);
5484
5485 return NO_ERROR;
5486}
5487
Eric Laurente0720872014-03-11 09:30:41 -07005488void AudioPolicyManager::HwModule::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07005489{
5490 const size_t SIZE = 256;
5491 char buffer[SIZE];
5492 String8 result;
5493
5494 snprintf(buffer, SIZE, " - name: %s\n", mName);
5495 result.append(buffer);
5496 snprintf(buffer, SIZE, " - handle: %d\n", mHandle);
5497 result.append(buffer);
Eric Laurenteb108a42014-06-06 14:56:52 -07005498 snprintf(buffer, SIZE, " - version: %u.%u\n", mHalVersion >> 8, mHalVersion & 0xFF);
5499 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07005500 write(fd, result.string(), result.size());
5501 if (mOutputProfiles.size()) {
5502 write(fd, " - outputs:\n", strlen(" - outputs:\n"));
5503 for (size_t i = 0; i < mOutputProfiles.size(); i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07005504 snprintf(buffer, SIZE, " output %zu:\n", i);
Eric Laurente552edb2014-03-10 17:42:56 -07005505 write(fd, buffer, strlen(buffer));
5506 mOutputProfiles[i]->dump(fd);
5507 }
5508 }
5509 if (mInputProfiles.size()) {
5510 write(fd, " - inputs:\n", strlen(" - inputs:\n"));
5511 for (size_t i = 0; i < mInputProfiles.size(); i++) {
Eric Laurentd4692962014-05-05 18:13:44 -07005512 snprintf(buffer, SIZE, " input %zu:\n", i);
Eric Laurente552edb2014-03-10 17:42:56 -07005513 write(fd, buffer, strlen(buffer));
5514 mInputProfiles[i]->dump(fd);
5515 }
5516 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07005517 if (mDeclaredDevices.size()) {
5518 write(fd, " - devices:\n", strlen(" - devices:\n"));
5519 for (size_t i = 0; i < mDeclaredDevices.size(); i++) {
5520 mDeclaredDevices[i]->dump(fd, 4, i);
5521 }
5522 }
Eric Laurente552edb2014-03-10 17:42:56 -07005523}
5524
Eric Laurent1c333e22014-05-20 10:48:17 -07005525// --- AudioPort class implementation
5526
Eric Laurenta121f902014-06-03 13:32:54 -07005527
5528AudioPolicyManager::AudioPort::AudioPort(const String8& name, audio_port_type_t type,
5529 audio_port_role_t role, const sp<HwModule>& module) :
Eric Laurent1e693b52014-07-09 15:03:28 -07005530 mName(name), mType(type), mRole(role), mModule(module), mFlags((audio_output_flags_t)0)
Eric Laurenta121f902014-06-03 13:32:54 -07005531{
5532 mUseInChannelMask = ((type == AUDIO_PORT_TYPE_DEVICE) && (role == AUDIO_PORT_ROLE_SOURCE)) ||
5533 ((type == AUDIO_PORT_TYPE_MIX) && (role == AUDIO_PORT_ROLE_SINK));
5534}
5535
Eric Laurent1c333e22014-05-20 10:48:17 -07005536void AudioPolicyManager::AudioPort::toAudioPort(struct audio_port *port) const
5537{
5538 port->role = mRole;
5539 port->type = mType;
5540 unsigned int i;
5541 for (i = 0; i < mSamplingRates.size() && i < AUDIO_PORT_MAX_SAMPLING_RATES; i++) {
5542 port->sample_rates[i] = mSamplingRates[i];
5543 }
5544 port->num_sample_rates = i;
5545 for (i = 0; i < mChannelMasks.size() && i < AUDIO_PORT_MAX_CHANNEL_MASKS; i++) {
5546 port->channel_masks[i] = mChannelMasks[i];
5547 }
5548 port->num_channel_masks = i;
5549 for (i = 0; i < mFormats.size() && i < AUDIO_PORT_MAX_FORMATS; i++) {
5550 port->formats[i] = mFormats[i];
5551 }
5552 port->num_formats = i;
Eric Laurente1715a42014-05-20 11:30:42 -07005553
Mark Salyzynbeb9e302014-06-18 16:33:15 -07005554 ALOGV("AudioPort::toAudioPort() num gains %zu", mGains.size());
Eric Laurente1715a42014-05-20 11:30:42 -07005555
5556 for (i = 0; i < mGains.size() && i < AUDIO_PORT_MAX_GAINS; i++) {
5557 port->gains[i] = mGains[i]->mGain;
5558 }
5559 port->num_gains = i;
Eric Laurent1c333e22014-05-20 10:48:17 -07005560}
5561
5562
5563void AudioPolicyManager::AudioPort::loadSamplingRates(char *name)
5564{
5565 char *str = strtok(name, "|");
5566
5567 // by convention, "0' in the first entry in mSamplingRates indicates the supported sampling
5568 // rates should be read from the output stream after it is opened for the first time
5569 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
5570 mSamplingRates.add(0);
5571 return;
5572 }
5573
5574 while (str != NULL) {
5575 uint32_t rate = atoi(str);
5576 if (rate != 0) {
5577 ALOGV("loadSamplingRates() adding rate %d", rate);
5578 mSamplingRates.add(rate);
5579 }
5580 str = strtok(NULL, "|");
5581 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005582}
5583
5584void AudioPolicyManager::AudioPort::loadFormats(char *name)
5585{
5586 char *str = strtok(name, "|");
5587
5588 // by convention, "0' in the first entry in mFormats indicates the supported formats
5589 // should be read from the output stream after it is opened for the first time
5590 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
5591 mFormats.add(AUDIO_FORMAT_DEFAULT);
5592 return;
5593 }
5594
5595 while (str != NULL) {
5596 audio_format_t format = (audio_format_t)stringToEnum(sFormatNameToEnumTable,
5597 ARRAY_SIZE(sFormatNameToEnumTable),
5598 str);
5599 if (format != AUDIO_FORMAT_DEFAULT) {
5600 mFormats.add(format);
5601 }
5602 str = strtok(NULL, "|");
5603 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005604}
5605
5606void AudioPolicyManager::AudioPort::loadInChannels(char *name)
5607{
5608 const char *str = strtok(name, "|");
5609
5610 ALOGV("loadInChannels() %s", name);
5611
5612 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
5613 mChannelMasks.add(0);
5614 return;
5615 }
5616
5617 while (str != NULL) {
5618 audio_channel_mask_t channelMask =
5619 (audio_channel_mask_t)stringToEnum(sInChannelsNameToEnumTable,
5620 ARRAY_SIZE(sInChannelsNameToEnumTable),
5621 str);
5622 if (channelMask != 0) {
5623 ALOGV("loadInChannels() adding channelMask %04x", channelMask);
5624 mChannelMasks.add(channelMask);
5625 }
5626 str = strtok(NULL, "|");
5627 }
Eric Laurent1c333e22014-05-20 10:48:17 -07005628}
5629
5630void AudioPolicyManager::AudioPort::loadOutChannels(char *name)
5631{
5632 const char *str = strtok(name, "|");
5633
5634 ALOGV("loadOutChannels() %s", name);
5635
5636 // by convention, "0' in the first entry in mChannelMasks indicates the supported channel
5637 // masks should be read from the output stream after it is opened for the first time
5638 if (str != NULL && strcmp(str, DYNAMIC_VALUE_TAG) == 0) {
5639 mChannelMasks.add(0);
5640 return;
5641 }
5642
5643 while (str != NULL) {
5644 audio_channel_mask_t channelMask =
5645 (audio_channel_mask_t)stringToEnum(sOutChannelsNameToEnumTable,
5646 ARRAY_SIZE(sOutChannelsNameToEnumTable),
5647 str);
5648 if (channelMask != 0) {
5649 mChannelMasks.add(channelMask);
5650 }
5651 str = strtok(NULL, "|");
5652 }
5653 return;
5654}
5655
Eric Laurent1afeecb2014-05-14 08:52:28 -07005656audio_gain_mode_t AudioPolicyManager::AudioPort::loadGainMode(char *name)
5657{
5658 const char *str = strtok(name, "|");
5659
5660 ALOGV("loadGainMode() %s", name);
5661 audio_gain_mode_t mode = 0;
5662 while (str != NULL) {
5663 mode |= (audio_gain_mode_t)stringToEnum(sGainModeNameToEnumTable,
5664 ARRAY_SIZE(sGainModeNameToEnumTable),
5665 str);
5666 str = strtok(NULL, "|");
5667 }
5668 return mode;
5669}
5670
Eric Laurenta121f902014-06-03 13:32:54 -07005671void AudioPolicyManager::AudioPort::loadGain(cnode *root, int index)
Eric Laurent1afeecb2014-05-14 08:52:28 -07005672{
5673 cnode *node = root->first_child;
5674
Eric Laurenta121f902014-06-03 13:32:54 -07005675 sp<AudioGain> gain = new AudioGain(index, mUseInChannelMask);
Eric Laurent1afeecb2014-05-14 08:52:28 -07005676
5677 while (node) {
5678 if (strcmp(node->name, GAIN_MODE) == 0) {
5679 gain->mGain.mode = loadGainMode((char *)node->value);
5680 } else if (strcmp(node->name, GAIN_CHANNELS) == 0) {
Eric Laurenta121f902014-06-03 13:32:54 -07005681 if (mUseInChannelMask) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07005682 gain->mGain.channel_mask =
5683 (audio_channel_mask_t)stringToEnum(sInChannelsNameToEnumTable,
5684 ARRAY_SIZE(sInChannelsNameToEnumTable),
5685 (char *)node->value);
5686 } else {
5687 gain->mGain.channel_mask =
5688 (audio_channel_mask_t)stringToEnum(sOutChannelsNameToEnumTable,
5689 ARRAY_SIZE(sOutChannelsNameToEnumTable),
5690 (char *)node->value);
5691 }
5692 } else if (strcmp(node->name, GAIN_MIN_VALUE) == 0) {
5693 gain->mGain.min_value = atoi((char *)node->value);
5694 } else if (strcmp(node->name, GAIN_MAX_VALUE) == 0) {
5695 gain->mGain.max_value = atoi((char *)node->value);
5696 } else if (strcmp(node->name, GAIN_DEFAULT_VALUE) == 0) {
5697 gain->mGain.default_value = atoi((char *)node->value);
5698 } else if (strcmp(node->name, GAIN_STEP_VALUE) == 0) {
5699 gain->mGain.step_value = atoi((char *)node->value);
5700 } else if (strcmp(node->name, GAIN_MIN_RAMP_MS) == 0) {
5701 gain->mGain.min_ramp_ms = atoi((char *)node->value);
5702 } else if (strcmp(node->name, GAIN_MAX_RAMP_MS) == 0) {
5703 gain->mGain.max_ramp_ms = atoi((char *)node->value);
5704 }
5705 node = node->next;
5706 }
5707
5708 ALOGV("loadGain() adding new gain mode %08x channel mask %08x min mB %d max mB %d",
5709 gain->mGain.mode, gain->mGain.channel_mask, gain->mGain.min_value, gain->mGain.max_value);
5710
5711 if (gain->mGain.mode == 0) {
5712 return;
5713 }
5714 mGains.add(gain);
5715}
5716
5717void AudioPolicyManager::AudioPort::loadGains(cnode *root)
5718{
5719 cnode *node = root->first_child;
Eric Laurenta121f902014-06-03 13:32:54 -07005720 int index = 0;
Eric Laurent1afeecb2014-05-14 08:52:28 -07005721 while (node) {
5722 ALOGV("loadGains() loading gain %s", node->name);
Eric Laurenta121f902014-06-03 13:32:54 -07005723 loadGain(node, index++);
Eric Laurent1afeecb2014-05-14 08:52:28 -07005724 node = node->next;
5725 }
5726}
5727
Glenn Kastencbd48022014-07-24 13:46:44 -07005728status_t AudioPolicyManager::AudioPort::checkExactSamplingRate(uint32_t samplingRate) const
Eric Laurenta121f902014-06-03 13:32:54 -07005729{
5730 for (size_t i = 0; i < mSamplingRates.size(); i ++) {
5731 if (mSamplingRates[i] == samplingRate) {
5732 return NO_ERROR;
5733 }
5734 }
5735 return BAD_VALUE;
5736}
5737
Glenn Kastencbd48022014-07-24 13:46:44 -07005738status_t AudioPolicyManager::AudioPort::checkCompatibleSamplingRate(uint32_t samplingRate,
5739 uint32_t *updatedSamplingRate) const
Eric Laurenta121f902014-06-03 13:32:54 -07005740{
Glenn Kastencbd48022014-07-24 13:46:44 -07005741 // Search for the closest supported sampling rate that is above (preferred)
5742 // or below (acceptable) the desired sampling rate, within a permitted ratio.
5743 // The sampling rates do not need to be sorted in ascending order.
5744 ssize_t maxBelow = -1;
5745 ssize_t minAbove = -1;
5746 uint32_t candidate;
5747 for (size_t i = 0; i < mSamplingRates.size(); i++) {
5748 candidate = mSamplingRates[i];
5749 if (candidate == samplingRate) {
5750 if (updatedSamplingRate != NULL) {
5751 *updatedSamplingRate = candidate;
5752 }
5753 return NO_ERROR;
5754 }
5755 // candidate < desired
5756 if (candidate < samplingRate) {
5757 if (maxBelow < 0 || candidate > mSamplingRates[maxBelow]) {
5758 maxBelow = i;
5759 }
5760 // candidate > desired
5761 } else {
5762 if (minAbove < 0 || candidate < mSamplingRates[minAbove]) {
5763 minAbove = i;
5764 }
5765 }
5766 }
5767 // This uses hard-coded knowledge about AudioFlinger resampling ratios.
5768 // TODO Move these assumptions out.
5769 static const uint32_t kMaxDownSampleRatio = 6; // beyond this aliasing occurs
5770 static const uint32_t kMaxUpSampleRatio = 256; // beyond this sample rate inaccuracies occur
5771 // due to approximation by an int32_t of the
5772 // phase increments
5773 // Prefer to down-sample from a higher sampling rate, as we get the desired frequency spectrum.
5774 if (minAbove >= 0) {
5775 candidate = mSamplingRates[minAbove];
5776 if (candidate / kMaxDownSampleRatio <= samplingRate) {
5777 if (updatedSamplingRate != NULL) {
5778 *updatedSamplingRate = candidate;
5779 }
5780 return NO_ERROR;
5781 }
5782 }
5783 // But if we have to up-sample from a lower sampling rate, that's OK.
5784 if (maxBelow >= 0) {
5785 candidate = mSamplingRates[maxBelow];
5786 if (candidate * kMaxUpSampleRatio >= samplingRate) {
5787 if (updatedSamplingRate != NULL) {
5788 *updatedSamplingRate = candidate;
5789 }
5790 return NO_ERROR;
5791 }
5792 }
5793 // leave updatedSamplingRate unmodified
5794 return BAD_VALUE;
5795}
5796
5797status_t AudioPolicyManager::AudioPort::checkExactChannelMask(audio_channel_mask_t channelMask) const
5798{
5799 for (size_t i = 0; i < mChannelMasks.size(); i++) {
Eric Laurenta121f902014-06-03 13:32:54 -07005800 if (mChannelMasks[i] == channelMask) {
5801 return NO_ERROR;
5802 }
5803 }
5804 return BAD_VALUE;
5805}
5806
Glenn Kastencbd48022014-07-24 13:46:44 -07005807status_t AudioPolicyManager::AudioPort::checkCompatibleChannelMask(audio_channel_mask_t channelMask)
5808 const
5809{
5810 const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
5811 for (size_t i = 0; i < mChannelMasks.size(); i ++) {
5812 // FIXME Does not handle multi-channel automatic conversions yet
5813 audio_channel_mask_t supported = mChannelMasks[i];
5814 if (supported == channelMask) {
5815 return NO_ERROR;
5816 }
5817 if (isRecordThread) {
5818 // This uses hard-coded knowledge that AudioFlinger can silently down-mix and up-mix.
5819 // FIXME Abstract this out to a table.
5820 if (((supported == AUDIO_CHANNEL_IN_FRONT_BACK || supported == AUDIO_CHANNEL_IN_STEREO)
5821 && channelMask == AUDIO_CHANNEL_IN_MONO) ||
5822 (supported == AUDIO_CHANNEL_IN_MONO && (channelMask == AUDIO_CHANNEL_IN_FRONT_BACK
5823 || channelMask == AUDIO_CHANNEL_IN_STEREO))) {
5824 return NO_ERROR;
5825 }
5826 }
5827 }
5828 return BAD_VALUE;
5829}
5830
Eric Laurenta121f902014-06-03 13:32:54 -07005831status_t AudioPolicyManager::AudioPort::checkFormat(audio_format_t format) const
5832{
5833 for (size_t i = 0; i < mFormats.size(); i ++) {
5834 if (mFormats[i] == format) {
5835 return NO_ERROR;
5836 }
5837 }
5838 return BAD_VALUE;
5839}
5840
Eric Laurent1e693b52014-07-09 15:03:28 -07005841
5842uint32_t AudioPolicyManager::AudioPort::pickSamplingRate() const
5843{
5844 // special case for uninitialized dynamic profile
5845 if (mSamplingRates.size() == 1 && mSamplingRates[0] == 0) {
5846 return 0;
5847 }
5848
5849 uint32_t samplingRate = 0;
5850 uint32_t maxRate = MAX_MIXER_SAMPLING_RATE;
5851
5852 // For mixed output and inputs, use max mixer sampling rates. Do not
5853 // limit sampling rate otherwise
5854 if ((mType != AUDIO_PORT_TYPE_MIX) ||
5855 ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
5856 (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)))) {
5857 maxRate = UINT_MAX;
5858 }
5859 for (size_t i = 0; i < mSamplingRates.size(); i ++) {
5860 if ((mSamplingRates[i] > samplingRate) && (mSamplingRates[i] <= maxRate)) {
5861 samplingRate = mSamplingRates[i];
5862 }
5863 }
5864 return samplingRate;
5865}
5866
5867audio_channel_mask_t AudioPolicyManager::AudioPort::pickChannelMask() const
5868{
5869 // special case for uninitialized dynamic profile
5870 if (mChannelMasks.size() == 1 && mChannelMasks[0] == 0) {
5871 return AUDIO_CHANNEL_NONE;
5872 }
5873
5874 audio_channel_mask_t channelMask = AUDIO_CHANNEL_NONE;
5875 uint32_t channelCount = 0;
5876 uint32_t maxCount = MAX_MIXER_CHANNEL_COUNT;
5877
5878 // For mixed output and inputs, use max mixer channel count. Do not
5879 // limit channel count otherwise
5880 if ((mType != AUDIO_PORT_TYPE_MIX) ||
5881 ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
5882 (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)))) {
5883 maxCount = UINT_MAX;
5884 }
5885 for (size_t i = 0; i < mChannelMasks.size(); i ++) {
5886 uint32_t cnlCount;
5887 if (mUseInChannelMask) {
5888 cnlCount = audio_channel_count_from_in_mask(mChannelMasks[i]);
5889 } else {
5890 cnlCount = audio_channel_count_from_out_mask(mChannelMasks[i]);
5891 }
5892 if ((cnlCount > channelCount) && (cnlCount <= maxCount)) {
5893 channelMask = mChannelMasks[i];
5894 }
5895 }
5896 return channelMask;
5897}
5898
Andy Hung9a605382014-07-28 16:16:31 -07005899/* format in order of increasing preference */
Eric Laurent1e693b52014-07-09 15:03:28 -07005900const audio_format_t AudioPolicyManager::AudioPort::sPcmFormatCompareTable[] = {
5901 AUDIO_FORMAT_DEFAULT,
5902 AUDIO_FORMAT_PCM_16_BIT,
Eric Laurenta2049942014-07-21 17:49:25 -07005903 AUDIO_FORMAT_PCM_8_24_BIT,
Eric Laurent1e693b52014-07-09 15:03:28 -07005904 AUDIO_FORMAT_PCM_24_BIT_PACKED,
Eric Laurenta2049942014-07-21 17:49:25 -07005905 AUDIO_FORMAT_PCM_32_BIT,
Andy Hung9a605382014-07-28 16:16:31 -07005906 AUDIO_FORMAT_PCM_FLOAT,
Eric Laurent1e693b52014-07-09 15:03:28 -07005907};
5908
5909int AudioPolicyManager::AudioPort::compareFormats(audio_format_t format1,
5910 audio_format_t format2)
5911{
5912 // NOTE: AUDIO_FORMAT_INVALID is also considered not PCM and will be compared equal to any
5913 // compressed format and better than any PCM format. This is by design of pickFormat()
5914 if (!audio_is_linear_pcm(format1)) {
5915 if (!audio_is_linear_pcm(format2)) {
5916 return 0;
5917 }
5918 return 1;
5919 }
5920 if (!audio_is_linear_pcm(format2)) {
5921 return -1;
5922 }
5923
5924 int index1 = -1, index2 = -1;
5925 for (size_t i = 0;
5926 (i < ARRAY_SIZE(sPcmFormatCompareTable)) && ((index1 == -1) || (index2 == -1));
5927 i ++) {
5928 if (sPcmFormatCompareTable[i] == format1) {
5929 index1 = i;
5930 }
5931 if (sPcmFormatCompareTable[i] == format2) {
5932 index2 = i;
5933 }
5934 }
5935 // format1 not found => index1 < 0 => format2 > format1
5936 // format2 not found => index2 < 0 => format2 < format1
5937 return index1 - index2;
5938}
5939
5940audio_format_t AudioPolicyManager::AudioPort::pickFormat() const
5941{
5942 // special case for uninitialized dynamic profile
5943 if (mFormats.size() == 1 && mFormats[0] == 0) {
5944 return AUDIO_FORMAT_DEFAULT;
5945 }
5946
5947 audio_format_t format = AUDIO_FORMAT_DEFAULT;
Andy Hung9a605382014-07-28 16:16:31 -07005948 audio_format_t bestFormat =
5949 AudioPolicyManager::AudioPort::sPcmFormatCompareTable[
5950 ARRAY_SIZE(AudioPolicyManager::AudioPort::sPcmFormatCompareTable) - 1];
Eric Laurent1e693b52014-07-09 15:03:28 -07005951 // For mixed output and inputs, use best mixer output format. Do not
5952 // limit format otherwise
5953 if ((mType != AUDIO_PORT_TYPE_MIX) ||
5954 ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
Eric Laurentd8622372014-07-27 13:47:31 -07005955 (((mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)) != 0)))) {
Eric Laurent1e693b52014-07-09 15:03:28 -07005956 bestFormat = AUDIO_FORMAT_INVALID;
5957 }
5958
5959 for (size_t i = 0; i < mFormats.size(); i ++) {
5960 if ((compareFormats(mFormats[i], format) > 0) &&
5961 (compareFormats(mFormats[i], bestFormat) <= 0)) {
5962 format = mFormats[i];
5963 }
5964 }
5965 return format;
5966}
5967
Eric Laurenta121f902014-06-03 13:32:54 -07005968status_t AudioPolicyManager::AudioPort::checkGain(const struct audio_gain_config *gainConfig,
5969 int index) const
5970{
5971 if (index < 0 || (size_t)index >= mGains.size()) {
5972 return BAD_VALUE;
5973 }
5974 return mGains[index]->checkConfig(gainConfig);
5975}
5976
Eric Laurent1afeecb2014-05-14 08:52:28 -07005977void AudioPolicyManager::AudioPort::dump(int fd, int spaces) const
5978{
5979 const size_t SIZE = 256;
5980 char buffer[SIZE];
5981 String8 result;
5982
5983 if (mName.size() != 0) {
5984 snprintf(buffer, SIZE, "%*s- name: %s\n", spaces, "", mName.string());
5985 result.append(buffer);
5986 }
5987
5988 if (mSamplingRates.size() != 0) {
5989 snprintf(buffer, SIZE, "%*s- sampling rates: ", spaces, "");
5990 result.append(buffer);
5991 for (size_t i = 0; i < mSamplingRates.size(); i++) {
Eric Laurent1e693b52014-07-09 15:03:28 -07005992 if (i == 0 && mSamplingRates[i] == 0) {
5993 snprintf(buffer, SIZE, "Dynamic");
5994 } else {
5995 snprintf(buffer, SIZE, "%d", mSamplingRates[i]);
5996 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07005997 result.append(buffer);
5998 result.append(i == (mSamplingRates.size() - 1) ? "" : ", ");
5999 }
6000 result.append("\n");
6001 }
6002
6003 if (mChannelMasks.size() != 0) {
6004 snprintf(buffer, SIZE, "%*s- channel masks: ", spaces, "");
6005 result.append(buffer);
6006 for (size_t i = 0; i < mChannelMasks.size(); i++) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006007 ALOGV("AudioPort::dump mChannelMasks %zu %08x", i, mChannelMasks[i]);
6008
6009 if (i == 0 && mChannelMasks[i] == 0) {
6010 snprintf(buffer, SIZE, "Dynamic");
6011 } else {
6012 snprintf(buffer, SIZE, "0x%04x", mChannelMasks[i]);
6013 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006014 result.append(buffer);
6015 result.append(i == (mChannelMasks.size() - 1) ? "" : ", ");
6016 }
6017 result.append("\n");
6018 }
6019
6020 if (mFormats.size() != 0) {
6021 snprintf(buffer, SIZE, "%*s- formats: ", spaces, "");
6022 result.append(buffer);
6023 for (size_t i = 0; i < mFormats.size(); i++) {
Eric Laurent1e693b52014-07-09 15:03:28 -07006024 const char *formatStr = enumToString(sFormatNameToEnumTable,
6025 ARRAY_SIZE(sFormatNameToEnumTable),
6026 mFormats[i]);
6027 if (i == 0 && strcmp(formatStr, "") == 0) {
6028 snprintf(buffer, SIZE, "Dynamic");
6029 } else {
Eric Laurentcf2c0212014-07-25 16:20:43 -07006030 snprintf(buffer, SIZE, "%s", formatStr);
Eric Laurent1e693b52014-07-09 15:03:28 -07006031 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006032 result.append(buffer);
6033 result.append(i == (mFormats.size() - 1) ? "" : ", ");
6034 }
6035 result.append("\n");
6036 }
6037 write(fd, result.string(), result.size());
6038 if (mGains.size() != 0) {
6039 snprintf(buffer, SIZE, "%*s- gains:\n", spaces, "");
6040 write(fd, buffer, strlen(buffer) + 1);
6041 result.append(buffer);
6042 for (size_t i = 0; i < mGains.size(); i++) {
6043 mGains[i]->dump(fd, spaces + 2, i);
6044 }
6045 }
6046}
6047
6048// --- AudioGain class implementation
6049
Eric Laurenta121f902014-06-03 13:32:54 -07006050AudioPolicyManager::AudioGain::AudioGain(int index, bool useInChannelMask)
Eric Laurent1afeecb2014-05-14 08:52:28 -07006051{
Eric Laurenta121f902014-06-03 13:32:54 -07006052 mIndex = index;
6053 mUseInChannelMask = useInChannelMask;
Eric Laurent1afeecb2014-05-14 08:52:28 -07006054 memset(&mGain, 0, sizeof(struct audio_gain));
6055}
6056
Eric Laurenta121f902014-06-03 13:32:54 -07006057void AudioPolicyManager::AudioGain::getDefaultConfig(struct audio_gain_config *config)
6058{
6059 config->index = mIndex;
6060 config->mode = mGain.mode;
6061 config->channel_mask = mGain.channel_mask;
6062 if ((mGain.mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) {
6063 config->values[0] = mGain.default_value;
6064 } else {
6065 uint32_t numValues;
6066 if (mUseInChannelMask) {
6067 numValues = audio_channel_count_from_in_mask(mGain.channel_mask);
6068 } else {
6069 numValues = audio_channel_count_from_out_mask(mGain.channel_mask);
6070 }
6071 for (size_t i = 0; i < numValues; i++) {
6072 config->values[i] = mGain.default_value;
6073 }
6074 }
6075 if ((mGain.mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) {
6076 config->ramp_duration_ms = mGain.min_ramp_ms;
6077 }
6078}
6079
6080status_t AudioPolicyManager::AudioGain::checkConfig(const struct audio_gain_config *config)
6081{
6082 if ((config->mode & ~mGain.mode) != 0) {
6083 return BAD_VALUE;
6084 }
6085 if ((config->mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) {
6086 if ((config->values[0] < mGain.min_value) ||
6087 (config->values[0] > mGain.max_value)) {
6088 return BAD_VALUE;
6089 }
6090 } else {
6091 if ((config->channel_mask & ~mGain.channel_mask) != 0) {
6092 return BAD_VALUE;
6093 }
6094 uint32_t numValues;
6095 if (mUseInChannelMask) {
6096 numValues = audio_channel_count_from_in_mask(config->channel_mask);
6097 } else {
6098 numValues = audio_channel_count_from_out_mask(config->channel_mask);
6099 }
6100 for (size_t i = 0; i < numValues; i++) {
6101 if ((config->values[i] < mGain.min_value) ||
6102 (config->values[i] > mGain.max_value)) {
6103 return BAD_VALUE;
6104 }
6105 }
6106 }
6107 if ((config->mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) {
6108 if ((config->ramp_duration_ms < mGain.min_ramp_ms) ||
6109 (config->ramp_duration_ms > mGain.max_ramp_ms)) {
6110 return BAD_VALUE;
6111 }
6112 }
6113 return NO_ERROR;
6114}
6115
Eric Laurent1afeecb2014-05-14 08:52:28 -07006116void AudioPolicyManager::AudioGain::dump(int fd, int spaces, int index) const
6117{
6118 const size_t SIZE = 256;
6119 char buffer[SIZE];
6120 String8 result;
6121
6122 snprintf(buffer, SIZE, "%*sGain %d:\n", spaces, "", index+1);
6123 result.append(buffer);
6124 snprintf(buffer, SIZE, "%*s- mode: %08x\n", spaces, "", mGain.mode);
6125 result.append(buffer);
6126 snprintf(buffer, SIZE, "%*s- channel_mask: %08x\n", spaces, "", mGain.channel_mask);
6127 result.append(buffer);
6128 snprintf(buffer, SIZE, "%*s- min_value: %d mB\n", spaces, "", mGain.min_value);
6129 result.append(buffer);
6130 snprintf(buffer, SIZE, "%*s- max_value: %d mB\n", spaces, "", mGain.max_value);
6131 result.append(buffer);
6132 snprintf(buffer, SIZE, "%*s- default_value: %d mB\n", spaces, "", mGain.default_value);
6133 result.append(buffer);
6134 snprintf(buffer, SIZE, "%*s- step_value: %d mB\n", spaces, "", mGain.step_value);
6135 result.append(buffer);
6136 snprintf(buffer, SIZE, "%*s- min_ramp_ms: %d ms\n", spaces, "", mGain.min_ramp_ms);
6137 result.append(buffer);
6138 snprintf(buffer, SIZE, "%*s- max_ramp_ms: %d ms\n", spaces, "", mGain.max_ramp_ms);
6139 result.append(buffer);
6140
6141 write(fd, result.string(), result.size());
6142}
6143
Eric Laurent1f2f2232014-06-02 12:01:23 -07006144// --- AudioPortConfig class implementation
6145
6146AudioPolicyManager::AudioPortConfig::AudioPortConfig()
6147{
6148 mSamplingRate = 0;
6149 mChannelMask = AUDIO_CHANNEL_NONE;
6150 mFormat = AUDIO_FORMAT_INVALID;
6151 mGain.index = -1;
6152}
6153
Eric Laurenta121f902014-06-03 13:32:54 -07006154status_t AudioPolicyManager::AudioPortConfig::applyAudioPortConfig(
6155 const struct audio_port_config *config,
6156 struct audio_port_config *backupConfig)
6157{
6158 struct audio_port_config localBackupConfig;
6159 status_t status = NO_ERROR;
6160
6161 localBackupConfig.config_mask = config->config_mask;
6162 toAudioPortConfig(&localBackupConfig);
6163
6164 if (mAudioPort == 0) {
6165 status = NO_INIT;
6166 goto exit;
6167 }
6168 if (config->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
Glenn Kastencbd48022014-07-24 13:46:44 -07006169 status = mAudioPort->checkExactSamplingRate(config->sample_rate);
Eric Laurenta121f902014-06-03 13:32:54 -07006170 if (status != NO_ERROR) {
6171 goto exit;
6172 }
6173 mSamplingRate = config->sample_rate;
6174 }
6175 if (config->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
Glenn Kastencbd48022014-07-24 13:46:44 -07006176 status = mAudioPort->checkExactChannelMask(config->channel_mask);
Eric Laurenta121f902014-06-03 13:32:54 -07006177 if (status != NO_ERROR) {
6178 goto exit;
6179 }
6180 mChannelMask = config->channel_mask;
6181 }
6182 if (config->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
6183 status = mAudioPort->checkFormat(config->format);
6184 if (status != NO_ERROR) {
6185 goto exit;
6186 }
6187 mFormat = config->format;
6188 }
6189 if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
6190 status = mAudioPort->checkGain(&config->gain, config->gain.index);
6191 if (status != NO_ERROR) {
6192 goto exit;
6193 }
6194 mGain = config->gain;
6195 }
6196
6197exit:
6198 if (status != NO_ERROR) {
6199 applyAudioPortConfig(&localBackupConfig);
6200 }
6201 if (backupConfig != NULL) {
6202 *backupConfig = localBackupConfig;
6203 }
6204 return status;
6205}
6206
Eric Laurent1f2f2232014-06-02 12:01:23 -07006207void AudioPolicyManager::AudioPortConfig::toAudioPortConfig(
6208 struct audio_port_config *dstConfig,
6209 const struct audio_port_config *srcConfig) const
6210{
6211 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
6212 dstConfig->sample_rate = mSamplingRate;
6213 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE)) {
6214 dstConfig->sample_rate = srcConfig->sample_rate;
6215 }
6216 } else {
6217 dstConfig->sample_rate = 0;
6218 }
6219 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
6220 dstConfig->channel_mask = mChannelMask;
6221 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK)) {
6222 dstConfig->channel_mask = srcConfig->channel_mask;
6223 }
6224 } else {
6225 dstConfig->channel_mask = AUDIO_CHANNEL_NONE;
6226 }
6227 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
6228 dstConfig->format = mFormat;
6229 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_FORMAT)) {
6230 dstConfig->format = srcConfig->format;
6231 }
6232 } else {
6233 dstConfig->format = AUDIO_FORMAT_INVALID;
6234 }
6235 if (dstConfig->config_mask & AUDIO_PORT_CONFIG_GAIN) {
6236 dstConfig->gain = mGain;
6237 if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_GAIN)) {
6238 dstConfig->gain = srcConfig->gain;
6239 }
6240 } else {
6241 dstConfig->gain.index = -1;
6242 }
6243 if (dstConfig->gain.index != -1) {
6244 dstConfig->config_mask |= AUDIO_PORT_CONFIG_GAIN;
6245 } else {
6246 dstConfig->config_mask &= ~AUDIO_PORT_CONFIG_GAIN;
6247 }
6248}
6249
Eric Laurent1c333e22014-05-20 10:48:17 -07006250// --- IOProfile class implementation
6251
Eric Laurent1afeecb2014-05-14 08:52:28 -07006252AudioPolicyManager::IOProfile::IOProfile(const String8& name, audio_port_role_t role,
Eric Laurent1f2f2232014-06-02 12:01:23 -07006253 const sp<HwModule>& module)
Eric Laurent1e693b52014-07-09 15:03:28 -07006254 : AudioPort(name, AUDIO_PORT_TYPE_MIX, role, module)
Eric Laurente552edb2014-03-10 17:42:56 -07006255{
6256}
6257
Eric Laurente0720872014-03-11 09:30:41 -07006258AudioPolicyManager::IOProfile::~IOProfile()
Eric Laurente552edb2014-03-10 17:42:56 -07006259{
6260}
6261
6262// checks if the IO profile is compatible with specified parameters.
6263// Sampling rate, format and channel mask must be specified in order to
6264// get a valid a match
Eric Laurente0720872014-03-11 09:30:41 -07006265bool AudioPolicyManager::IOProfile::isCompatibleProfile(audio_devices_t device,
Eric Laurente552edb2014-03-10 17:42:56 -07006266 uint32_t samplingRate,
Glenn Kastencbd48022014-07-24 13:46:44 -07006267 uint32_t *updatedSamplingRate,
Eric Laurente552edb2014-03-10 17:42:56 -07006268 audio_format_t format,
6269 audio_channel_mask_t channelMask,
6270 audio_output_flags_t flags) const
6271{
Glenn Kastencbd48022014-07-24 13:46:44 -07006272 const bool isPlaybackThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SOURCE;
6273 const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
6274 ALOG_ASSERT(isPlaybackThread != isRecordThread);
Eric Laurente552edb2014-03-10 17:42:56 -07006275
Glenn Kastencbd48022014-07-24 13:46:44 -07006276 if ((mSupportedDevices.types() & device) != device) {
6277 return false;
6278 }
6279
6280 if (samplingRate == 0) {
Eric Laurente552edb2014-03-10 17:42:56 -07006281 return false;
Glenn Kastencbd48022014-07-24 13:46:44 -07006282 }
6283 uint32_t myUpdatedSamplingRate = samplingRate;
6284 if (isPlaybackThread && checkExactSamplingRate(samplingRate) != NO_ERROR) {
Eric Laurente552edb2014-03-10 17:42:56 -07006285 return false;
Glenn Kastencbd48022014-07-24 13:46:44 -07006286 }
6287 if (isRecordThread && checkCompatibleSamplingRate(samplingRate, &myUpdatedSamplingRate) !=
6288 NO_ERROR) {
Eric Laurente552edb2014-03-10 17:42:56 -07006289 return false;
Glenn Kastencbd48022014-07-24 13:46:44 -07006290 }
6291
6292 if (!audio_is_valid_format(format) || checkFormat(format) != NO_ERROR) {
6293 return false;
6294 }
6295
6296 if (isPlaybackThread && (!audio_is_output_channel(channelMask) ||
6297 checkExactChannelMask(channelMask) != NO_ERROR)) {
6298 return false;
6299 }
6300 if (isRecordThread && (!audio_is_input_channel(channelMask) ||
6301 checkCompatibleChannelMask(channelMask) != NO_ERROR)) {
6302 return false;
6303 }
6304
6305 if (isPlaybackThread && (mFlags & flags) != flags) {
6306 return false;
6307 }
6308 // The only input flag that is allowed to be different is the fast flag.
6309 // An existing fast stream is compatible with a normal track request.
6310 // An existing normal stream is compatible with a fast track request,
6311 // but the fast request will be denied by AudioFlinger and converted to normal track.
6312 if (isRecordThread && (((audio_input_flags_t) mFlags ^ (audio_input_flags_t) flags) &
6313 ~AUDIO_INPUT_FLAG_FAST)) {
6314 return false;
6315 }
6316
6317 if (updatedSamplingRate != NULL) {
6318 *updatedSamplingRate = myUpdatedSamplingRate;
6319 }
6320 return true;
Eric Laurente552edb2014-03-10 17:42:56 -07006321}
6322
Eric Laurente0720872014-03-11 09:30:41 -07006323void AudioPolicyManager::IOProfile::dump(int fd)
Eric Laurente552edb2014-03-10 17:42:56 -07006324{
6325 const size_t SIZE = 256;
6326 char buffer[SIZE];
6327 String8 result;
6328
Eric Laurent1afeecb2014-05-14 08:52:28 -07006329 AudioPort::dump(fd, 4);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006330
Eric Laurente552edb2014-03-10 17:42:56 -07006331 snprintf(buffer, SIZE, " - flags: 0x%04x\n", mFlags);
6332 result.append(buffer);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006333 snprintf(buffer, SIZE, " - devices:\n");
6334 result.append(buffer);
Eric Laurente552edb2014-03-10 17:42:56 -07006335 write(fd, result.string(), result.size());
Eric Laurent1afeecb2014-05-14 08:52:28 -07006336 for (size_t i = 0; i < mSupportedDevices.size(); i++) {
6337 mSupportedDevices[i]->dump(fd, 6, i);
6338 }
Eric Laurente552edb2014-03-10 17:42:56 -07006339}
6340
Eric Laurentd4692962014-05-05 18:13:44 -07006341void AudioPolicyManager::IOProfile::log()
6342{
6343 const size_t SIZE = 256;
6344 char buffer[SIZE];
6345 String8 result;
6346
6347 ALOGV(" - sampling rates: ");
6348 for (size_t i = 0; i < mSamplingRates.size(); i++) {
6349 ALOGV(" %d", mSamplingRates[i]);
6350 }
6351
6352 ALOGV(" - channel masks: ");
6353 for (size_t i = 0; i < mChannelMasks.size(); i++) {
6354 ALOGV(" 0x%04x", mChannelMasks[i]);
6355 }
6356
6357 ALOGV(" - formats: ");
6358 for (size_t i = 0; i < mFormats.size(); i++) {
6359 ALOGV(" 0x%08x", mFormats[i]);
6360 }
6361
6362 ALOGV(" - devices: 0x%04x\n", mSupportedDevices.types());
6363 ALOGV(" - flags: 0x%04x\n", mFlags);
6364}
6365
6366
Eric Laurent3a4311c2014-03-17 12:00:47 -07006367// --- DeviceDescriptor implementation
Eric Laurente552edb2014-03-10 17:42:56 -07006368
Eric Laurent1f2f2232014-06-02 12:01:23 -07006369
6370AudioPolicyManager::DeviceDescriptor::DeviceDescriptor(const String8& name, audio_devices_t type) :
6371 AudioPort(name, AUDIO_PORT_TYPE_DEVICE,
6372 audio_is_output_device(type) ? AUDIO_PORT_ROLE_SINK :
6373 AUDIO_PORT_ROLE_SOURCE,
6374 NULL),
Eric Laurent1e693b52014-07-09 15:03:28 -07006375 mDeviceType(type), mAddress(""), mId(0)
Eric Laurent1f2f2232014-06-02 12:01:23 -07006376{
6377 mAudioPort = this;
Eric Laurenta121f902014-06-03 13:32:54 -07006378 if (mGains.size() > 0) {
6379 mGains[0]->getDefaultConfig(&mGain);
6380 }
Eric Laurent1f2f2232014-06-02 12:01:23 -07006381}
6382
Eric Laurent3a4311c2014-03-17 12:00:47 -07006383bool AudioPolicyManager::DeviceDescriptor::equals(const sp<DeviceDescriptor>& other) const
Eric Laurente552edb2014-03-10 17:42:56 -07006384{
Eric Laurent3a4311c2014-03-17 12:00:47 -07006385 // Devices are considered equal if they:
6386 // - are of the same type (a device type cannot be AUDIO_DEVICE_NONE)
6387 // - have the same address or one device does not specify the address
6388 // - have the same channel mask or one device does not specify the channel mask
Eric Laurent1c333e22014-05-20 10:48:17 -07006389 return (mDeviceType == other->mDeviceType) &&
Eric Laurent3a4311c2014-03-17 12:00:47 -07006390 (mAddress == "" || other->mAddress == "" || mAddress == other->mAddress) &&
Eric Laurent2f8a36f2014-03-26 19:05:55 -07006391 (mChannelMask == 0 || other->mChannelMask == 0 ||
Eric Laurent3a4311c2014-03-17 12:00:47 -07006392 mChannelMask == other->mChannelMask);
6393}
6394
6395void AudioPolicyManager::DeviceVector::refreshTypes()
6396{
Eric Laurent1c333e22014-05-20 10:48:17 -07006397 mDeviceTypes = AUDIO_DEVICE_NONE;
Eric Laurent3a4311c2014-03-17 12:00:47 -07006398 for(size_t i = 0; i < size(); i++) {
Eric Laurent1c333e22014-05-20 10:48:17 -07006399 mDeviceTypes |= itemAt(i)->mDeviceType;
Eric Laurent3a4311c2014-03-17 12:00:47 -07006400 }
Eric Laurent1c333e22014-05-20 10:48:17 -07006401 ALOGV("DeviceVector::refreshTypes() mDeviceTypes %08x", mDeviceTypes);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006402}
6403
6404ssize_t AudioPolicyManager::DeviceVector::indexOf(const sp<DeviceDescriptor>& item) const
6405{
6406 for(size_t i = 0; i < size(); i++) {
6407 if (item->equals(itemAt(i))) {
6408 return i;
Eric Laurente552edb2014-03-10 17:42:56 -07006409 }
6410 }
Eric Laurent3a4311c2014-03-17 12:00:47 -07006411 return -1;
Eric Laurente552edb2014-03-10 17:42:56 -07006412}
6413
Eric Laurent3a4311c2014-03-17 12:00:47 -07006414ssize_t AudioPolicyManager::DeviceVector::add(const sp<DeviceDescriptor>& item)
Eric Laurente552edb2014-03-10 17:42:56 -07006415{
Eric Laurent3a4311c2014-03-17 12:00:47 -07006416 ssize_t ret = indexOf(item);
6417
6418 if (ret < 0) {
6419 ret = SortedVector::add(item);
6420 if (ret >= 0) {
6421 refreshTypes();
6422 }
6423 } else {
Eric Laurent1c333e22014-05-20 10:48:17 -07006424 ALOGW("DeviceVector::add device %08x already in", item->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006425 ret = -1;
6426 }
6427 return ret;
Eric Laurente552edb2014-03-10 17:42:56 -07006428}
6429
Eric Laurent3a4311c2014-03-17 12:00:47 -07006430ssize_t AudioPolicyManager::DeviceVector::remove(const sp<DeviceDescriptor>& item)
6431{
6432 size_t i;
6433 ssize_t ret = indexOf(item);
6434
6435 if (ret < 0) {
Eric Laurent1c333e22014-05-20 10:48:17 -07006436 ALOGW("DeviceVector::remove device %08x not in", item->mDeviceType);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006437 } else {
6438 ret = SortedVector::removeAt(ret);
6439 if (ret >= 0) {
6440 refreshTypes();
6441 }
6442 }
6443 return ret;
6444}
6445
6446void AudioPolicyManager::DeviceVector::loadDevicesFromType(audio_devices_t types)
6447{
6448 DeviceVector deviceList;
6449
6450 uint32_t role_bit = AUDIO_DEVICE_BIT_IN & types;
6451 types &= ~role_bit;
6452
6453 while (types) {
6454 uint32_t i = 31 - __builtin_clz(types);
6455 uint32_t type = 1 << i;
6456 types &= ~type;
Eric Laurent1afeecb2014-05-14 08:52:28 -07006457 add(new DeviceDescriptor(String8(""), type | role_bit));
Eric Laurent3a4311c2014-03-17 12:00:47 -07006458 }
6459}
6460
Eric Laurent1afeecb2014-05-14 08:52:28 -07006461void AudioPolicyManager::DeviceVector::loadDevicesFromName(char *name,
6462 const DeviceVector& declaredDevices)
6463{
6464 char *devName = strtok(name, "|");
6465 while (devName != NULL) {
6466 if (strlen(devName) != 0) {
6467 audio_devices_t type = stringToEnum(sDeviceNameToEnumTable,
6468 ARRAY_SIZE(sDeviceNameToEnumTable),
6469 devName);
6470 if (type != AUDIO_DEVICE_NONE) {
6471 add(new DeviceDescriptor(String8(""), type));
6472 } else {
6473 sp<DeviceDescriptor> deviceDesc =
6474 declaredDevices.getDeviceFromName(String8(devName));
6475 if (deviceDesc != 0) {
6476 add(deviceDesc);
6477 }
6478 }
6479 }
6480 devName = strtok(NULL, "|");
6481 }
6482}
6483
Eric Laurent1c333e22014-05-20 10:48:17 -07006484sp<AudioPolicyManager::DeviceDescriptor> AudioPolicyManager::DeviceVector::getDevice(
6485 audio_devices_t type, String8 address) const
6486{
6487 sp<DeviceDescriptor> device;
6488 for (size_t i = 0; i < size(); i++) {
6489 if (itemAt(i)->mDeviceType == type) {
6490 device = itemAt(i);
6491 if (itemAt(i)->mAddress = address) {
6492 break;
6493 }
6494 }
6495 }
6496 ALOGV("DeviceVector::getDevice() for type %d address %s found %p",
6497 type, address.string(), device.get());
6498 return device;
6499}
6500
Eric Laurent6a94d692014-05-20 11:18:06 -07006501sp<AudioPolicyManager::DeviceDescriptor> AudioPolicyManager::DeviceVector::getDeviceFromId(
6502 audio_port_handle_t id) const
6503{
6504 sp<DeviceDescriptor> device;
6505 for (size_t i = 0; i < size(); i++) {
Mark Salyzynbeb9e302014-06-18 16:33:15 -07006506 ALOGV("DeviceVector::getDeviceFromId(%d) itemAt(%zu)->mId %d", id, i, itemAt(i)->mId);
Eric Laurent6a94d692014-05-20 11:18:06 -07006507 if (itemAt(i)->mId == id) {
6508 device = itemAt(i);
6509 break;
6510 }
6511 }
6512 return device;
6513}
6514
Eric Laurent1c333e22014-05-20 10:48:17 -07006515AudioPolicyManager::DeviceVector AudioPolicyManager::DeviceVector::getDevicesFromType(
6516 audio_devices_t type) const
6517{
6518 DeviceVector devices;
6519 for (size_t i = 0; (i < size()) && (type != AUDIO_DEVICE_NONE); i++) {
6520 if (itemAt(i)->mDeviceType & type & ~AUDIO_DEVICE_BIT_IN) {
6521 devices.add(itemAt(i));
6522 type &= ~itemAt(i)->mDeviceType;
6523 ALOGV("DeviceVector::getDevicesFromType() for type %x found %p",
6524 itemAt(i)->mDeviceType, itemAt(i).get());
6525 }
6526 }
6527 return devices;
6528}
6529
Jean-Michel Trivi0fb47752014-07-22 16:19:14 -07006530AudioPolicyManager::DeviceVector AudioPolicyManager::DeviceVector::getDevicesFromTypeAddr(
6531 audio_devices_t type, String8 address) const
6532{
6533 DeviceVector devices;
6534 //ALOGV(" looking for device=%x, addr=%s", type, address.string());
6535 for (size_t i = 0; i < size(); i++) {
6536 //ALOGV(" at i=%d: device=%x, addr=%s",
6537 // i, itemAt(i)->mDeviceType, itemAt(i)->mAddress.string());
6538 if (itemAt(i)->mDeviceType == type) {
6539 if (itemAt(i)->mAddress == address) {
6540 //ALOGV(" found matching address %s", address.string());
6541 devices.add(itemAt(i));
6542 }
6543 }
6544 }
6545 return devices;
6546}
6547
Eric Laurent1afeecb2014-05-14 08:52:28 -07006548sp<AudioPolicyManager::DeviceDescriptor> AudioPolicyManager::DeviceVector::getDeviceFromName(
6549 const String8& name) const
6550{
6551 sp<DeviceDescriptor> device;
6552 for (size_t i = 0; i < size(); i++) {
6553 if (itemAt(i)->mName == name) {
6554 device = itemAt(i);
6555 break;
6556 }
6557 }
6558 return device;
6559}
6560
Eric Laurent6a94d692014-05-20 11:18:06 -07006561void AudioPolicyManager::DeviceDescriptor::toAudioPortConfig(
6562 struct audio_port_config *dstConfig,
6563 const struct audio_port_config *srcConfig) const
Eric Laurent1c333e22014-05-20 10:48:17 -07006564{
Eric Laurent1f2f2232014-06-02 12:01:23 -07006565 dstConfig->config_mask = AUDIO_PORT_CONFIG_CHANNEL_MASK|AUDIO_PORT_CONFIG_GAIN;
6566 if (srcConfig != NULL) {
Eric Laurent84c70242014-06-23 08:46:27 -07006567 dstConfig->config_mask |= srcConfig->config_mask;
Eric Laurent1f2f2232014-06-02 12:01:23 -07006568 }
6569
6570 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
6571
Eric Laurent6a94d692014-05-20 11:18:06 -07006572 dstConfig->id = mId;
6573 dstConfig->role = audio_is_output_device(mDeviceType) ?
Eric Laurent1c333e22014-05-20 10:48:17 -07006574 AUDIO_PORT_ROLE_SINK : AUDIO_PORT_ROLE_SOURCE;
Eric Laurent6a94d692014-05-20 11:18:06 -07006575 dstConfig->type = AUDIO_PORT_TYPE_DEVICE;
Eric Laurent6a94d692014-05-20 11:18:06 -07006576 dstConfig->ext.device.type = mDeviceType;
6577 dstConfig->ext.device.hw_module = mModule->mHandle;
6578 strncpy(dstConfig->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN);
Eric Laurent1c333e22014-05-20 10:48:17 -07006579}
6580
6581void AudioPolicyManager::DeviceDescriptor::toAudioPort(struct audio_port *port) const
6582{
Eric Laurent83b88082014-06-20 18:31:16 -07006583 ALOGV("DeviceDescriptor::toAudioPort() handle %d type %x", mId, mDeviceType);
Eric Laurent1c333e22014-05-20 10:48:17 -07006584 AudioPort::toAudioPort(port);
6585 port->id = mId;
Eric Laurent6a94d692014-05-20 11:18:06 -07006586 toAudioPortConfig(&port->active_config);
Eric Laurent1c333e22014-05-20 10:48:17 -07006587 port->ext.device.type = mDeviceType;
Eric Laurent6a94d692014-05-20 11:18:06 -07006588 port->ext.device.hw_module = mModule->mHandle;
Eric Laurent1c333e22014-05-20 10:48:17 -07006589 strncpy(port->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN);
6590}
6591
Eric Laurent1afeecb2014-05-14 08:52:28 -07006592status_t AudioPolicyManager::DeviceDescriptor::dump(int fd, int spaces, int index) const
Eric Laurent3a4311c2014-03-17 12:00:47 -07006593{
6594 const size_t SIZE = 256;
6595 char buffer[SIZE];
Eric Laurent1afeecb2014-05-14 08:52:28 -07006596 String8 result;
Eric Laurent3a4311c2014-03-17 12:00:47 -07006597
Eric Laurent1afeecb2014-05-14 08:52:28 -07006598 snprintf(buffer, SIZE, "%*sDevice %d:\n", spaces, "", index+1);
6599 result.append(buffer);
6600 if (mId != 0) {
6601 snprintf(buffer, SIZE, "%*s- id: %2d\n", spaces, "", mId);
6602 result.append(buffer);
6603 }
6604 snprintf(buffer, SIZE, "%*s- type: %-48s\n", spaces, "",
6605 enumToString(sDeviceNameToEnumTable,
6606 ARRAY_SIZE(sDeviceNameToEnumTable),
6607 mDeviceType));
6608 result.append(buffer);
6609 if (mAddress.size() != 0) {
6610 snprintf(buffer, SIZE, "%*s- address: %-32s\n", spaces, "", mAddress.string());
6611 result.append(buffer);
6612 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006613 write(fd, result.string(), result.size());
6614 AudioPort::dump(fd, spaces);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006615
6616 return NO_ERROR;
6617}
6618
6619
6620// --- audio_policy.conf file parsing
6621
Eric Laurente0720872014-03-11 09:30:41 -07006622audio_output_flags_t AudioPolicyManager::parseFlagNames(char *name)
Eric Laurente552edb2014-03-10 17:42:56 -07006623{
6624 uint32_t flag = 0;
6625
6626 // it is OK to cast name to non const here as we are not going to use it after
6627 // strtok() modifies it
6628 char *flagName = strtok(name, "|");
6629 while (flagName != NULL) {
6630 if (strlen(flagName) != 0) {
6631 flag |= stringToEnum(sFlagNameToEnumTable,
6632 ARRAY_SIZE(sFlagNameToEnumTable),
6633 flagName);
6634 }
6635 flagName = strtok(NULL, "|");
6636 }
6637 //force direct flag if offload flag is set: offloading implies a direct output stream
6638 // and all common behaviors are driven by checking only the direct flag
6639 // this should normally be set appropriately in the policy configuration file
6640 if ((flag & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
6641 flag |= AUDIO_OUTPUT_FLAG_DIRECT;
6642 }
6643
6644 return (audio_output_flags_t)flag;
6645}
6646
Eric Laurente0720872014-03-11 09:30:41 -07006647audio_devices_t AudioPolicyManager::parseDeviceNames(char *name)
Eric Laurente552edb2014-03-10 17:42:56 -07006648{
6649 uint32_t device = 0;
6650
6651 char *devName = strtok(name, "|");
6652 while (devName != NULL) {
6653 if (strlen(devName) != 0) {
6654 device |= stringToEnum(sDeviceNameToEnumTable,
6655 ARRAY_SIZE(sDeviceNameToEnumTable),
6656 devName);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006657 }
Eric Laurente552edb2014-03-10 17:42:56 -07006658 devName = strtok(NULL, "|");
Eric Laurent3a4311c2014-03-17 12:00:47 -07006659 }
Eric Laurente552edb2014-03-10 17:42:56 -07006660 return device;
6661}
6662
Eric Laurente0720872014-03-11 09:30:41 -07006663void AudioPolicyManager::loadHwModule(cnode *root)
Eric Laurente552edb2014-03-10 17:42:56 -07006664{
Eric Laurente552edb2014-03-10 17:42:56 -07006665 status_t status = NAME_NOT_FOUND;
Eric Laurent1afeecb2014-05-14 08:52:28 -07006666 cnode *node;
Eric Laurent1f2f2232014-06-02 12:01:23 -07006667 sp<HwModule> module = new HwModule(root->name);
Eric Laurente552edb2014-03-10 17:42:56 -07006668
Eric Laurent1afeecb2014-05-14 08:52:28 -07006669 node = config_find(root, DEVICES_TAG);
6670 if (node != NULL) {
6671 node = node->first_child;
6672 while (node) {
6673 ALOGV("loadHwModule() loading device %s", node->name);
6674 status_t tmpStatus = module->loadDevice(node);
6675 if (status == NAME_NOT_FOUND || status == NO_ERROR) {
6676 status = tmpStatus;
6677 }
6678 node = node->next;
6679 }
6680 }
6681 node = config_find(root, OUTPUTS_TAG);
Eric Laurente552edb2014-03-10 17:42:56 -07006682 if (node != NULL) {
Eric Laurente552edb2014-03-10 17:42:56 -07006683 node = node->first_child;
6684 while (node) {
6685 ALOGV("loadHwModule() loading output %s", node->name);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006686 status_t tmpStatus = module->loadOutput(node);
Eric Laurente552edb2014-03-10 17:42:56 -07006687 if (status == NAME_NOT_FOUND || status == NO_ERROR) {
6688 status = tmpStatus;
6689 }
6690 node = node->next;
6691 }
6692 }
6693 node = config_find(root, INPUTS_TAG);
6694 if (node != NULL) {
6695 node = node->first_child;
6696 while (node) {
6697 ALOGV("loadHwModule() loading input %s", node->name);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006698 status_t tmpStatus = module->loadInput(node);
Eric Laurente552edb2014-03-10 17:42:56 -07006699 if (status == NAME_NOT_FOUND || status == NO_ERROR) {
6700 status = tmpStatus;
6701 }
6702 node = node->next;
6703 }
6704 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006705 loadGlobalConfig(root, module);
6706
Eric Laurente552edb2014-03-10 17:42:56 -07006707 if (status == NO_ERROR) {
6708 mHwModules.add(module);
Eric Laurente552edb2014-03-10 17:42:56 -07006709 }
6710}
6711
Eric Laurente0720872014-03-11 09:30:41 -07006712void AudioPolicyManager::loadHwModules(cnode *root)
Eric Laurente552edb2014-03-10 17:42:56 -07006713{
6714 cnode *node = config_find(root, AUDIO_HW_MODULE_TAG);
6715 if (node == NULL) {
6716 return;
6717 }
6718
6719 node = node->first_child;
6720 while (node) {
6721 ALOGV("loadHwModules() loading module %s", node->name);
6722 loadHwModule(node);
6723 node = node->next;
6724 }
6725}
6726
Eric Laurent1f2f2232014-06-02 12:01:23 -07006727void AudioPolicyManager::loadGlobalConfig(cnode *root, const sp<HwModule>& module)
Eric Laurente552edb2014-03-10 17:42:56 -07006728{
6729 cnode *node = config_find(root, GLOBAL_CONFIG_TAG);
Eric Laurenteb108a42014-06-06 14:56:52 -07006730
Eric Laurente552edb2014-03-10 17:42:56 -07006731 if (node == NULL) {
6732 return;
6733 }
Eric Laurent1afeecb2014-05-14 08:52:28 -07006734 DeviceVector declaredDevices;
6735 if (module != NULL) {
6736 declaredDevices = module->mDeclaredDevices;
6737 }
6738
Eric Laurente552edb2014-03-10 17:42:56 -07006739 node = node->first_child;
6740 while (node) {
6741 if (strcmp(ATTACHED_OUTPUT_DEVICES_TAG, node->name) == 0) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07006742 mAvailableOutputDevices.loadDevicesFromName((char *)node->value,
6743 declaredDevices);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006744 ALOGV("loadGlobalConfig() Attached Output Devices %08x",
6745 mAvailableOutputDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07006746 } else if (strcmp(DEFAULT_OUTPUT_DEVICE_TAG, node->name) == 0) {
Eric Laurent3a4311c2014-03-17 12:00:47 -07006747 audio_devices_t device = (audio_devices_t)stringToEnum(sDeviceNameToEnumTable,
Eric Laurente552edb2014-03-10 17:42:56 -07006748 ARRAY_SIZE(sDeviceNameToEnumTable),
6749 (char *)node->value);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006750 if (device != AUDIO_DEVICE_NONE) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07006751 mDefaultOutputDevice = new DeviceDescriptor(String8(""), device);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006752 } else {
6753 ALOGW("loadGlobalConfig() default device not specified");
6754 }
Eric Laurent1c333e22014-05-20 10:48:17 -07006755 ALOGV("loadGlobalConfig() mDefaultOutputDevice %08x", mDefaultOutputDevice->mDeviceType);
Eric Laurente552edb2014-03-10 17:42:56 -07006756 } else if (strcmp(ATTACHED_INPUT_DEVICES_TAG, node->name) == 0) {
Eric Laurent1afeecb2014-05-14 08:52:28 -07006757 mAvailableInputDevices.loadDevicesFromName((char *)node->value,
6758 declaredDevices);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006759 ALOGV("loadGlobalConfig() Available InputDevices %08x", mAvailableInputDevices.types());
Eric Laurente552edb2014-03-10 17:42:56 -07006760 } else if (strcmp(SPEAKER_DRC_ENABLED_TAG, node->name) == 0) {
6761 mSpeakerDrcEnabled = stringToBool((char *)node->value);
6762 ALOGV("loadGlobalConfig() mSpeakerDrcEnabled = %d", mSpeakerDrcEnabled);
Eric Laurenteb108a42014-06-06 14:56:52 -07006763 } else if (strcmp(AUDIO_HAL_VERSION_TAG, node->name) == 0) {
6764 uint32_t major, minor;
6765 sscanf((char *)node->value, "%u.%u", &major, &minor);
6766 module->mHalVersion = HARDWARE_DEVICE_API_VERSION(major, minor);
6767 ALOGV("loadGlobalConfig() mHalVersion = %04x major %u minor %u",
6768 module->mHalVersion, major, minor);
Eric Laurente552edb2014-03-10 17:42:56 -07006769 }
6770 node = node->next;
6771 }
6772}
6773
Eric Laurente0720872014-03-11 09:30:41 -07006774status_t AudioPolicyManager::loadAudioPolicyConfig(const char *path)
Eric Laurente552edb2014-03-10 17:42:56 -07006775{
6776 cnode *root;
6777 char *data;
6778
6779 data = (char *)load_file(path, NULL);
6780 if (data == NULL) {
6781 return -ENODEV;
6782 }
6783 root = config_node("", "");
6784 config_load(root, data);
6785
Eric Laurente552edb2014-03-10 17:42:56 -07006786 loadHwModules(root);
Eric Laurent1afeecb2014-05-14 08:52:28 -07006787 // legacy audio_policy.conf files have one global_configuration section
6788 loadGlobalConfig(root, getModuleFromName(AUDIO_HARDWARE_MODULE_ID_PRIMARY));
Eric Laurente552edb2014-03-10 17:42:56 -07006789 config_free(root);
6790 free(root);
6791 free(data);
6792
6793 ALOGI("loadAudioPolicyConfig() loaded %s\n", path);
6794
6795 return NO_ERROR;
6796}
6797
Eric Laurente0720872014-03-11 09:30:41 -07006798void AudioPolicyManager::defaultAudioPolicyConfig(void)
Eric Laurente552edb2014-03-10 17:42:56 -07006799{
Eric Laurent1f2f2232014-06-02 12:01:23 -07006800 sp<HwModule> module;
Eric Laurent1c333e22014-05-20 10:48:17 -07006801 sp<IOProfile> profile;
Eric Laurent1f2f2232014-06-02 12:01:23 -07006802 sp<DeviceDescriptor> defaultInputDevice = new DeviceDescriptor(String8(""),
6803 AUDIO_DEVICE_IN_BUILTIN_MIC);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006804 mAvailableOutputDevices.add(mDefaultOutputDevice);
6805 mAvailableInputDevices.add(defaultInputDevice);
Eric Laurente552edb2014-03-10 17:42:56 -07006806
6807 module = new HwModule("primary");
6808
Eric Laurent1afeecb2014-05-14 08:52:28 -07006809 profile = new IOProfile(String8("primary"), AUDIO_PORT_ROLE_SOURCE, module);
Eric Laurente552edb2014-03-10 17:42:56 -07006810 profile->mSamplingRates.add(44100);
6811 profile->mFormats.add(AUDIO_FORMAT_PCM_16_BIT);
6812 profile->mChannelMasks.add(AUDIO_CHANNEL_OUT_STEREO);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006813 profile->mSupportedDevices.add(mDefaultOutputDevice);
Eric Laurente552edb2014-03-10 17:42:56 -07006814 profile->mFlags = AUDIO_OUTPUT_FLAG_PRIMARY;
6815 module->mOutputProfiles.add(profile);
6816
Eric Laurent1afeecb2014-05-14 08:52:28 -07006817 profile = new IOProfile(String8("primary"), AUDIO_PORT_ROLE_SINK, module);
Eric Laurente552edb2014-03-10 17:42:56 -07006818 profile->mSamplingRates.add(8000);
6819 profile->mFormats.add(AUDIO_FORMAT_PCM_16_BIT);
6820 profile->mChannelMasks.add(AUDIO_CHANNEL_IN_MONO);
Eric Laurent3a4311c2014-03-17 12:00:47 -07006821 profile->mSupportedDevices.add(defaultInputDevice);
Eric Laurente552edb2014-03-10 17:42:56 -07006822 module->mInputProfiles.add(profile);
6823
6824 mHwModules.add(module);
6825}
6826
Jean-Michel Trivi5bd3f382014-06-13 16:06:54 -07006827audio_stream_type_t AudioPolicyManager::streamTypefromAttributesInt(const audio_attributes_t *attr)
6828{
6829 // flags to stream type mapping
6830 if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
6831 return AUDIO_STREAM_ENFORCED_AUDIBLE;
6832 }
6833 if ((attr->flags & AUDIO_FLAG_SCO) == AUDIO_FLAG_SCO) {
6834 return AUDIO_STREAM_BLUETOOTH_SCO;
6835 }
6836
6837 // usage to stream type mapping
6838 switch (attr->usage) {
6839 case AUDIO_USAGE_MEDIA:
6840 case AUDIO_USAGE_GAME:
6841 case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
6842 case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
6843 return AUDIO_STREAM_MUSIC;
6844 case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
6845 return AUDIO_STREAM_SYSTEM;
6846 case AUDIO_USAGE_VOICE_COMMUNICATION:
6847 return AUDIO_STREAM_VOICE_CALL;
6848
6849 case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
6850 return AUDIO_STREAM_DTMF;
6851
6852 case AUDIO_USAGE_ALARM:
6853 return AUDIO_STREAM_ALARM;
6854 case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
6855 return AUDIO_STREAM_RING;
6856
6857 case AUDIO_USAGE_NOTIFICATION:
6858 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
6859 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
6860 case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
6861 case AUDIO_USAGE_NOTIFICATION_EVENT:
6862 return AUDIO_STREAM_NOTIFICATION;
6863
6864 case AUDIO_USAGE_UNKNOWN:
6865 default:
6866 return AUDIO_STREAM_MUSIC;
6867 }
6868}
Eric Laurente552edb2014-03-10 17:42:56 -07006869}; // namespace android