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Eric Laurent81784c32012-11-19 14:55:58 -08001/*
2**
3** Copyright 2012, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9** http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#ifndef INCLUDING_FROM_AUDIOFLINGER_H
19 #error This header file should only be included from AudioFlinger.h
20#endif
21
22class ThreadBase : public Thread {
23public:
24
25#include "TrackBase.h"
26
27 enum type_t {
28 MIXER, // Thread class is MixerThread
29 DIRECT, // Thread class is DirectOutputThread
30 DUPLICATING, // Thread class is DuplicatingThread
Eric Laurentbfb1b832013-01-07 09:53:42 -080031 RECORD, // Thread class is RecordThread
Eric Laurent6acd1d42017-01-04 14:23:29 -080032 OFFLOAD, // Thread class is OffloadThread
Andy Hungea840382020-05-05 21:50:17 -070033 MMAP_PLAYBACK, // Thread class for MMAP playback stream
34 MMAP_CAPTURE, // Thread class for MMAP capture stream
Eric Laurent1c5e2e32021-08-18 18:50:28 +020035 SPATIALIZER, //
jiabinc658e452022-10-21 20:52:21 +000036 BIT_PERFECT, // Thread class for BitPerfectThread
Glenn Kasten1bfe09a2017-02-21 13:05:56 -080037 // If you add any values here, also update ThreadBase::threadTypeToString()
Eric Laurent81784c32012-11-19 14:55:58 -080038 };
39
Glenn Kasten97b7b752014-09-28 13:04:24 -070040 static const char *threadTypeToString(type_t type);
41
Eric Laurent81784c32012-11-19 14:55:58 -080042 ThreadBase(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id,
Andy Hungcf10d742020-04-28 15:38:24 -070043 type_t type, bool systemReady, bool isOut);
Eric Laurent81784c32012-11-19 14:55:58 -080044 virtual ~ThreadBase();
45
Glenn Kastencf04c2c2013-08-06 07:41:16 -070046 virtual status_t readyToRun();
47
Eric Laurent81784c32012-11-19 14:55:58 -080048 void clearPowerManager();
49
50 // base for record and playback
51 enum {
52 CFG_EVENT_IO,
Eric Laurent10351942014-05-08 18:49:52 -070053 CFG_EVENT_PRIO,
54 CFG_EVENT_SET_PARAMETER,
Eric Laurent1c333e22014-05-20 10:48:17 -070055 CFG_EVENT_CREATE_AUDIO_PATCH,
56 CFG_EVENT_RELEASE_AUDIO_PATCH,
jiabinc52b1ff2019-10-31 17:20:42 -070057 CFG_EVENT_UPDATE_OUT_DEVICE,
Eric Laurentb3f315a2021-07-13 15:09:05 +020058 CFG_EVENT_RESIZE_BUFFER,
Eric Laurent68a40a82022-05-03 18:15:04 +020059 CFG_EVENT_CHECK_OUTPUT_STAGE_EFFECTS,
60 CFG_EVENT_HAL_LATENCY_MODES_CHANGED,
Eric Laurent81784c32012-11-19 14:55:58 -080061 };
62
Eric Laurent10351942014-05-08 18:49:52 -070063 class ConfigEventData: public RefBase {
Eric Laurent81784c32012-11-19 14:55:58 -080064 public:
Eric Laurent10351942014-05-08 18:49:52 -070065 virtual ~ConfigEventData() {}
Eric Laurent81784c32012-11-19 14:55:58 -080066
67 virtual void dump(char *buffer, size_t size) = 0;
Eric Laurent10351942014-05-08 18:49:52 -070068 protected:
69 ConfigEventData() {}
Eric Laurent81784c32012-11-19 14:55:58 -080070 };
71
Eric Laurent10351942014-05-08 18:49:52 -070072 // Config event sequence by client if status needed (e.g binder thread calling setParameters()):
73 // 1. create SetParameterConfigEvent. This sets mWaitStatus in config event
74 // 2. Lock mLock
75 // 3. Call sendConfigEvent_l(): Append to mConfigEvents and mWaitWorkCV.signal
76 // 4. sendConfigEvent_l() reads status from event->mStatus;
77 // 5. sendConfigEvent_l() returns status
78 // 6. Unlock
79 //
80 // Parameter sequence by server: threadLoop calling processConfigEvents_l():
81 // 1. Lock mLock
82 // 2. If there is an entry in mConfigEvents proceed ...
83 // 3. Read first entry in mConfigEvents
84 // 4. Remove first entry from mConfigEvents
85 // 5. Process
86 // 6. Set event->mStatus
87 // 7. event->mCond.signal
88 // 8. Unlock
Eric Laurent81784c32012-11-19 14:55:58 -080089
Eric Laurent10351942014-05-08 18:49:52 -070090 class ConfigEvent: public RefBase {
91 public:
92 virtual ~ConfigEvent() {}
93
Eric Laurentb3f315a2021-07-13 15:09:05 +020094 void dump(char *buffer, size_t size) {
95 snprintf(buffer, size, "Event type: %d\n", mType);
96 if (mData != nullptr) {
97 snprintf(buffer, size, "Data:\n");
98 mData->dump(buffer, size);
99 }
100 }
Eric Laurent10351942014-05-08 18:49:52 -0700101
102 const int mType; // event type e.g. CFG_EVENT_IO
103 Mutex mLock; // mutex associated with mCond
104 Condition mCond; // condition for status return
105 status_t mStatus; // status communicated to sender
106 bool mWaitStatus; // true if sender is waiting for status
Eric Laurent72e3f392015-05-20 14:43:50 -0700107 bool mRequiresSystemReady; // true if must wait for system ready to enter event queue
Eric Laurent10351942014-05-08 18:49:52 -0700108 sp<ConfigEventData> mData; // event specific parameter data
109
110 protected:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700111 explicit ConfigEvent(int type, bool requiresSystemReady = false) :
Eric Laurent72e3f392015-05-20 14:43:50 -0700112 mType(type), mStatus(NO_ERROR), mWaitStatus(false),
113 mRequiresSystemReady(requiresSystemReady), mData(NULL) {}
Eric Laurent10351942014-05-08 18:49:52 -0700114 };
115
116 class IoConfigEventData : public ConfigEventData {
117 public:
Mikhail Naganov88536df2021-07-26 17:30:29 -0700118 IoConfigEventData(audio_io_config_event_t event, pid_t pid,
Eric Laurent09f1ed22019-04-24 17:45:17 -0700119 audio_port_handle_t portId) :
120 mEvent(event), mPid(pid), mPortId(portId) {}
Eric Laurent81784c32012-11-19 14:55:58 -0800121
122 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200123 snprintf(buffer, size, "- IO event: event %d\n", mEvent);
Eric Laurent81784c32012-11-19 14:55:58 -0800124 }
125
Mikhail Naganov88536df2021-07-26 17:30:29 -0700126 const audio_io_config_event_t mEvent;
Eric Laurent7c1ec5f2015-07-09 14:52:47 -0700127 const pid_t mPid;
Eric Laurent09f1ed22019-04-24 17:45:17 -0700128 const audio_port_handle_t mPortId;
Eric Laurent81784c32012-11-19 14:55:58 -0800129 };
130
Eric Laurent10351942014-05-08 18:49:52 -0700131 class IoConfigEvent : public ConfigEvent {
Eric Laurent81784c32012-11-19 14:55:58 -0800132 public:
Mikhail Naganov88536df2021-07-26 17:30:29 -0700133 IoConfigEvent(audio_io_config_event_t event, pid_t pid, audio_port_handle_t portId) :
Eric Laurent10351942014-05-08 18:49:52 -0700134 ConfigEvent(CFG_EVENT_IO) {
Eric Laurent09f1ed22019-04-24 17:45:17 -0700135 mData = new IoConfigEventData(event, pid, portId);
Eric Laurent10351942014-05-08 18:49:52 -0700136 }
137 virtual ~IoConfigEvent() {}
138 };
Eric Laurent81784c32012-11-19 14:55:58 -0800139
Eric Laurent10351942014-05-08 18:49:52 -0700140 class PrioConfigEventData : public ConfigEventData {
141 public:
Mikhail Naganov83f04272017-02-07 10:45:09 -0800142 PrioConfigEventData(pid_t pid, pid_t tid, int32_t prio, bool forApp) :
143 mPid(pid), mTid(tid), mPrio(prio), mForApp(forApp) {}
Eric Laurent81784c32012-11-19 14:55:58 -0800144
145 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200146 snprintf(buffer, size, "- Prio event: pid %d, tid %d, prio %d, for app? %d\n",
Mikhail Naganov83f04272017-02-07 10:45:09 -0800147 mPid, mTid, mPrio, mForApp);
Eric Laurent81784c32012-11-19 14:55:58 -0800148 }
149
Eric Laurent81784c32012-11-19 14:55:58 -0800150 const pid_t mPid;
151 const pid_t mTid;
152 const int32_t mPrio;
Mikhail Naganov83f04272017-02-07 10:45:09 -0800153 const bool mForApp;
Eric Laurent81784c32012-11-19 14:55:58 -0800154 };
155
Eric Laurent10351942014-05-08 18:49:52 -0700156 class PrioConfigEvent : public ConfigEvent {
157 public:
Mikhail Naganov83f04272017-02-07 10:45:09 -0800158 PrioConfigEvent(pid_t pid, pid_t tid, int32_t prio, bool forApp) :
Eric Laurent72e3f392015-05-20 14:43:50 -0700159 ConfigEvent(CFG_EVENT_PRIO, true) {
Mikhail Naganov83f04272017-02-07 10:45:09 -0800160 mData = new PrioConfigEventData(pid, tid, prio, forApp);
Eric Laurent10351942014-05-08 18:49:52 -0700161 }
162 virtual ~PrioConfigEvent() {}
163 };
164
165 class SetParameterConfigEventData : public ConfigEventData {
166 public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700167 explicit SetParameterConfigEventData(String8 keyValuePairs) :
Eric Laurent10351942014-05-08 18:49:52 -0700168 mKeyValuePairs(keyValuePairs) {}
169
170 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200171 snprintf(buffer, size, "- KeyValue: %s\n", mKeyValuePairs.string());
Eric Laurent10351942014-05-08 18:49:52 -0700172 }
173
174 const String8 mKeyValuePairs;
175 };
176
177 class SetParameterConfigEvent : public ConfigEvent {
178 public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700179 explicit SetParameterConfigEvent(String8 keyValuePairs) :
Eric Laurent10351942014-05-08 18:49:52 -0700180 ConfigEvent(CFG_EVENT_SET_PARAMETER) {
181 mData = new SetParameterConfigEventData(keyValuePairs);
182 mWaitStatus = true;
183 }
184 virtual ~SetParameterConfigEvent() {}
185 };
186
Eric Laurent1c333e22014-05-20 10:48:17 -0700187 class CreateAudioPatchConfigEventData : public ConfigEventData {
188 public:
189 CreateAudioPatchConfigEventData(const struct audio_patch patch,
190 audio_patch_handle_t handle) :
191 mPatch(patch), mHandle(handle) {}
192
193 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200194 snprintf(buffer, size, "- Patch handle: %u\n", mHandle);
Eric Laurent1c333e22014-05-20 10:48:17 -0700195 }
196
197 const struct audio_patch mPatch;
198 audio_patch_handle_t mHandle;
199 };
200
201 class CreateAudioPatchConfigEvent : public ConfigEvent {
202 public:
203 CreateAudioPatchConfigEvent(const struct audio_patch patch,
204 audio_patch_handle_t handle) :
205 ConfigEvent(CFG_EVENT_CREATE_AUDIO_PATCH) {
206 mData = new CreateAudioPatchConfigEventData(patch, handle);
207 mWaitStatus = true;
208 }
209 virtual ~CreateAudioPatchConfigEvent() {}
210 };
211
212 class ReleaseAudioPatchConfigEventData : public ConfigEventData {
213 public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700214 explicit ReleaseAudioPatchConfigEventData(const audio_patch_handle_t handle) :
Eric Laurent1c333e22014-05-20 10:48:17 -0700215 mHandle(handle) {}
216
217 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200218 snprintf(buffer, size, "- Patch handle: %u\n", mHandle);
Eric Laurent1c333e22014-05-20 10:48:17 -0700219 }
220
221 audio_patch_handle_t mHandle;
222 };
223
224 class ReleaseAudioPatchConfigEvent : public ConfigEvent {
225 public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700226 explicit ReleaseAudioPatchConfigEvent(const audio_patch_handle_t handle) :
Eric Laurent1c333e22014-05-20 10:48:17 -0700227 ConfigEvent(CFG_EVENT_RELEASE_AUDIO_PATCH) {
228 mData = new ReleaseAudioPatchConfigEventData(handle);
229 mWaitStatus = true;
230 }
231 virtual ~ReleaseAudioPatchConfigEvent() {}
232 };
Eric Laurent81784c32012-11-19 14:55:58 -0800233
jiabinc52b1ff2019-10-31 17:20:42 -0700234 class UpdateOutDevicesConfigEventData : public ConfigEventData {
235 public:
236 explicit UpdateOutDevicesConfigEventData(const DeviceDescriptorBaseVector& outDevices) :
237 mOutDevices(outDevices) {}
238
239 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200240 snprintf(buffer, size, "- Devices: %s", android::toString(mOutDevices).c_str());
jiabinc52b1ff2019-10-31 17:20:42 -0700241 }
242
243 DeviceDescriptorBaseVector mOutDevices;
244 };
245
246 class UpdateOutDevicesConfigEvent : public ConfigEvent {
247 public:
248 explicit UpdateOutDevicesConfigEvent(const DeviceDescriptorBaseVector& outDevices) :
249 ConfigEvent(CFG_EVENT_UPDATE_OUT_DEVICE) {
250 mData = new UpdateOutDevicesConfigEventData(outDevices);
251 }
252
253 virtual ~UpdateOutDevicesConfigEvent();
254 };
255
Eric Laurentec376dc2021-04-08 20:41:22 +0200256 class ResizeBufferConfigEventData : public ConfigEventData {
257 public:
258 explicit ResizeBufferConfigEventData(int32_t maxSharedAudioHistoryMs) :
259 mMaxSharedAudioHistoryMs(maxSharedAudioHistoryMs) {}
260
261 virtual void dump(char *buffer, size_t size) {
Eric Laurentb3f315a2021-07-13 15:09:05 +0200262 snprintf(buffer, size, "- mMaxSharedAudioHistoryMs: %d", mMaxSharedAudioHistoryMs);
Eric Laurentec376dc2021-04-08 20:41:22 +0200263 }
264
265 int32_t mMaxSharedAudioHistoryMs;
266 };
267
268 class ResizeBufferConfigEvent : public ConfigEvent {
269 public:
270 explicit ResizeBufferConfigEvent(int32_t maxSharedAudioHistoryMs) :
271 ConfigEvent(CFG_EVENT_RESIZE_BUFFER) {
272 mData = new ResizeBufferConfigEventData(maxSharedAudioHistoryMs);
273 }
274
275 virtual ~ResizeBufferConfigEvent() {}
276 };
277
Eric Laurentb3f315a2021-07-13 15:09:05 +0200278 class CheckOutputStageEffectsEvent : public ConfigEvent {
279 public:
280 CheckOutputStageEffectsEvent() :
281 ConfigEvent(CFG_EVENT_CHECK_OUTPUT_STAGE_EFFECTS) {
282 }
283
284 virtual ~CheckOutputStageEffectsEvent() {}
285 };
286
Eric Laurent68a40a82022-05-03 18:15:04 +0200287 class HalLatencyModesChangedEvent : public ConfigEvent {
288 public:
289 HalLatencyModesChangedEvent() :
290 ConfigEvent(CFG_EVENT_HAL_LATENCY_MODES_CHANGED) {
291 }
292
293 virtual ~HalLatencyModesChangedEvent() {}
294 };
295
Eric Laurentb3f315a2021-07-13 15:09:05 +0200296
Eric Laurent81784c32012-11-19 14:55:58 -0800297 class PMDeathRecipient : public IBinder::DeathRecipient {
298 public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700299 explicit PMDeathRecipient(const wp<ThreadBase>& thread) : mThread(thread) {}
Eric Laurent81784c32012-11-19 14:55:58 -0800300 virtual ~PMDeathRecipient() {}
301
302 // IBinder::DeathRecipient
303 virtual void binderDied(const wp<IBinder>& who);
304
305 private:
Mikhail Naganovbf493082017-04-17 17:37:12 -0700306 DISALLOW_COPY_AND_ASSIGN(PMDeathRecipient);
Eric Laurent81784c32012-11-19 14:55:58 -0800307
308 wp<ThreadBase> mThread;
309 };
310
311 virtual status_t initCheck() const = 0;
312
313 // static externally-visible
314 type_t type() const { return mType; }
Eric Laurentf6870ae2015-05-08 10:50:03 -0700315 bool isDuplicating() const { return (mType == DUPLICATING); }
316
Eric Laurent81784c32012-11-19 14:55:58 -0800317 audio_io_handle_t id() const { return mId;}
318
319 // dynamic externally-visible
320 uint32_t sampleRate() const { return mSampleRate; }
Eric Laurent81784c32012-11-19 14:55:58 -0800321 audio_channel_mask_t channelMask() const { return mChannelMask; }
Eric Laurentf1f22e72021-07-13 14:04:14 +0200322 virtual audio_channel_mask_t mixerChannelMask() const { return mChannelMask; }
323
Andy Hung463be252014-07-10 16:56:07 -0700324 audio_format_t format() const { return mHALFormat; }
Eric Laurent83b88082014-06-20 18:31:16 -0700325 uint32_t channelCount() const { return mChannelCount; }
Eric Laurentf1f22e72021-07-13 14:04:14 +0200326
Eric Laurent81784c32012-11-19 14:55:58 -0800327 // Called by AudioFlinger::frameCount(audio_io_handle_t output) and effects,
Glenn Kasten9b58f632013-07-16 11:37:48 -0700328 // and returns the [normal mix] buffer's frame count.
329 virtual size_t frameCount() const = 0;
jiabineb3bda02020-06-30 14:07:03 -0700330 virtual audio_channel_mask_t hapticChannelMask() const { return AUDIO_CHANNEL_NONE; }
Eric Laurent6b446ce2019-12-13 10:56:31 -0800331 virtual uint32_t latency_l() const { return 0; }
332 virtual void setVolumeForOutput_l(float left __unused, float right __unused) const {}
Glenn Kasten4a8308b2016-04-18 14:10:01 -0700333
334 // Return's the HAL's frame count i.e. fast mixer buffer size.
335 size_t frameCountHAL() const { return mFrameCount; }
336
Eric Laurentbfb1b832013-01-07 09:53:42 -0800337 size_t frameSize() const { return mFrameSize; }
Eric Laurent81784c32012-11-19 14:55:58 -0800338
339 // Should be "virtual status_t requestExitAndWait()" and override same
340 // method in Thread, but Thread::requestExitAndWait() is not yet virtual.
341 void exit();
Eric Laurent10351942014-05-08 18:49:52 -0700342 virtual bool checkForNewParameter_l(const String8& keyValuePair,
343 status_t& status) = 0;
Eric Laurent81784c32012-11-19 14:55:58 -0800344 virtual status_t setParameters(const String8& keyValuePairs);
345 virtual String8 getParameters(const String8& keys) = 0;
Mikhail Naganov88536df2021-07-26 17:30:29 -0700346 virtual void ioConfigChanged(audio_io_config_event_t event, pid_t pid = 0,
Eric Laurent09f1ed22019-04-24 17:45:17 -0700347 audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE) = 0;
Eric Laurent10351942014-05-08 18:49:52 -0700348 // sendConfigEvent_l() must be called with ThreadBase::mLock held
349 // Can temporarily release the lock if waiting for a reply from
350 // processConfigEvents_l().
351 status_t sendConfigEvent_l(sp<ConfigEvent>& event);
Mikhail Naganov88536df2021-07-26 17:30:29 -0700352 void sendIoConfigEvent(audio_io_config_event_t event, pid_t pid = 0,
Eric Laurent09f1ed22019-04-24 17:45:17 -0700353 audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE);
Mikhail Naganov88536df2021-07-26 17:30:29 -0700354 void sendIoConfigEvent_l(audio_io_config_event_t event, pid_t pid = 0,
Eric Laurent09f1ed22019-04-24 17:45:17 -0700355 audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE);
Mikhail Naganov83f04272017-02-07 10:45:09 -0800356 void sendPrioConfigEvent(pid_t pid, pid_t tid, int32_t prio, bool forApp);
357 void sendPrioConfigEvent_l(pid_t pid, pid_t tid, int32_t prio, bool forApp);
Eric Laurent10351942014-05-08 18:49:52 -0700358 status_t sendSetParameterConfigEvent_l(const String8& keyValuePair);
Eric Laurent1c333e22014-05-20 10:48:17 -0700359 status_t sendCreateAudioPatchConfigEvent(const struct audio_patch *patch,
360 audio_patch_handle_t *handle);
361 status_t sendReleaseAudioPatchConfigEvent(audio_patch_handle_t handle);
jiabinc52b1ff2019-10-31 17:20:42 -0700362 status_t sendUpdateOutDeviceConfigEvent(
363 const DeviceDescriptorBaseVector& outDevices);
Eric Laurentec376dc2021-04-08 20:41:22 +0200364 void sendResizeBufferConfigEvent_l(int32_t maxSharedAudioHistoryMs);
Eric Laurentb3f315a2021-07-13 15:09:05 +0200365 void sendCheckOutputStageEffectsEvent();
366 void sendCheckOutputStageEffectsEvent_l();
Eric Laurent68a40a82022-05-03 18:15:04 +0200367 void sendHalLatencyModesChangedEvent_l();
Eric Laurentb3f315a2021-07-13 15:09:05 +0200368
Eric Laurent021cf962014-05-13 10:18:14 -0700369 void processConfigEvents_l();
Eric Laurentb3f315a2021-07-13 15:09:05 +0200370 virtual void setCheckOutputStageEffects() {}
Eric Laurent10351942014-05-08 18:49:52 -0700371 virtual void cacheParameters_l() = 0;
Eric Laurent1c333e22014-05-20 10:48:17 -0700372 virtual status_t createAudioPatch_l(const struct audio_patch *patch,
373 audio_patch_handle_t *handle) = 0;
374 virtual status_t releaseAudioPatch_l(const audio_patch_handle_t handle) = 0;
jiabinc52b1ff2019-10-31 17:20:42 -0700375 virtual void updateOutDevices(const DeviceDescriptorBaseVector& outDevices);
Mikhail Naganovdc769682018-05-04 15:34:08 -0700376 virtual void toAudioPortConfig(struct audio_port_config *config) = 0;
Eric Laurent1c333e22014-05-20 10:48:17 -0700377
Eric Laurent5f0fd7b2021-05-07 16:33:26 +0200378 virtual void resizeInputBuffer_l(int32_t maxSharedAudioHistoryMs);
Eric Laurent68a40a82022-05-03 18:15:04 +0200379 virtual void onHalLatencyModesChanged_l() {}
Eric Laurentec376dc2021-04-08 20:41:22 +0200380
Eric Laurent81784c32012-11-19 14:55:58 -0800381
382 // see note at declaration of mStandby, mOutDevice and mInDevice
383 bool standby() const { return mStandby; }
jiabinc52b1ff2019-10-31 17:20:42 -0700384 const DeviceTypeSet outDeviceTypes() const {
385 return getAudioDeviceTypes(mOutDeviceTypeAddrs);
386 }
387 audio_devices_t inDeviceType() const { return mInDeviceTypeAddr.mType; }
388 DeviceTypeSet getDeviceTypes() const {
389 return isOutput() ? outDeviceTypes() : DeviceTypeSet({inDeviceType()});
390 }
Andy Hung293558a2017-03-21 12:19:20 -0700391
jiabin8f278ee2019-11-11 12:16:27 -0800392 const AudioDeviceTypeAddrVector& outDeviceTypeAddrs() const {
393 return mOutDeviceTypeAddrs;
394 }
395 const AudioDeviceTypeAddr& inDeviceTypeAddr() const {
396 return mInDeviceTypeAddr;
397 }
398
Andy Hungcf10d742020-04-28 15:38:24 -0700399 bool isOutput() const { return mIsOut; }
Eric Laurent81784c32012-11-19 14:55:58 -0800400
Andy Hungea840382020-05-05 21:50:17 -0700401 bool isOffloadOrMmap() const {
402 switch (mType) {
403 case OFFLOAD:
404 case MMAP_PLAYBACK:
405 case MMAP_CAPTURE:
406 return true;
407 default:
408 return false;
409 }
410 }
411
Mikhail Naganov1dc98672016-08-18 17:50:29 -0700412 virtual sp<StreamHalInterface> stream() const = 0;
Eric Laurent81784c32012-11-19 14:55:58 -0800413
414 sp<EffectHandle> createEffect_l(
415 const sp<AudioFlinger::Client>& client,
Ytai Ben-Tsvi9cd89812020-07-01 17:12:06 -0700416 const sp<media::IEffectClient>& effectClient,
Eric Laurent81784c32012-11-19 14:55:58 -0800417 int32_t priority,
Glenn Kastend848eb42016-03-08 13:42:11 -0800418 audio_session_t sessionId,
Eric Laurent81784c32012-11-19 14:55:58 -0800419 effect_descriptor_t *desc,
420 int *enabled,
Eric Laurent0d5a2ed2016-12-01 15:28:29 -0800421 status_t *status /*non-NULL*/,
Eric Laurent2fe0acd2020-03-13 14:30:46 -0700422 bool pinned,
Eric Laurentde8caf42021-08-11 17:19:25 +0200423 bool probe,
424 bool notifyFramesProcessed);
Eric Laurent81784c32012-11-19 14:55:58 -0800425
426 // return values for hasAudioSession (bit field)
427 enum effect_state {
428 EFFECT_SESSION = 0x1, // the audio session corresponds to at least one
429 // effect
Eric Laurent4c415062016-06-17 16:14:16 -0700430 TRACK_SESSION = 0x2, // the audio session corresponds to at least one
Eric Laurent81784c32012-11-19 14:55:58 -0800431 // track
Eric Laurentb62d0362021-10-26 17:40:18 +0200432 FAST_SESSION = 0x4, // the audio session corresponds to at least one
Eric Laurent4c415062016-06-17 16:14:16 -0700433 // fast track
jiabinc658e452022-10-21 20:52:21 +0000434 SPATIALIZED_SESSION = 0x8, // the audio session corresponds to at least one
435 // spatialized track
436 BIT_PERFECT_SESSION = 0x10 // the audio session corresponds to at least one
437 // bit-perfect track
Eric Laurent81784c32012-11-19 14:55:58 -0800438 };
439
440 // get effect chain corresponding to session Id.
Glenn Kastend848eb42016-03-08 13:42:11 -0800441 sp<EffectChain> getEffectChain(audio_session_t sessionId);
Eric Laurent81784c32012-11-19 14:55:58 -0800442 // same as getEffectChain() but must be called with ThreadBase mutex locked
Glenn Kastend848eb42016-03-08 13:42:11 -0800443 sp<EffectChain> getEffectChain_l(audio_session_t sessionId) const;
Eric Laurent6c796322019-04-09 14:13:17 -0700444 std::vector<int> getEffectIds_l(audio_session_t sessionId);
Eric Laurent81784c32012-11-19 14:55:58 -0800445 // add an effect chain to the chain list (mEffectChains)
446 virtual status_t addEffectChain_l(const sp<EffectChain>& chain) = 0;
447 // remove an effect chain from the chain list (mEffectChains)
448 virtual size_t removeEffectChain_l(const sp<EffectChain>& chain) = 0;
449 // lock all effect chains Mutexes. Must be called before releasing the
450 // ThreadBase mutex before processing the mixer and effects. This guarantees the
451 // integrity of the chains during the process.
452 // Also sets the parameter 'effectChains' to current value of mEffectChains.
453 void lockEffectChains_l(Vector< sp<EffectChain> >& effectChains);
454 // unlock effect chains after process
455 void unlockEffectChains(const Vector< sp<EffectChain> >& effectChains);
Eric Laurentbfb1b832013-01-07 09:53:42 -0800456 // get a copy of mEffectChains vector
457 Vector< sp<EffectChain> > getEffectChains_l() const { return mEffectChains; };
Eric Laurent81784c32012-11-19 14:55:58 -0800458 // set audio mode to all effect chains
459 void setMode(audio_mode_t mode);
460 // get effect module with corresponding ID on specified audio session
Glenn Kastend848eb42016-03-08 13:42:11 -0800461 sp<AudioFlinger::EffectModule> getEffect(audio_session_t sessionId, int effectId);
462 sp<AudioFlinger::EffectModule> getEffect_l(audio_session_t sessionId, int effectId);
Eric Laurent81784c32012-11-19 14:55:58 -0800463 // add and effect module. Also creates the effect chain is none exists for
Eric Laurent6c796322019-04-09 14:13:17 -0700464 // the effects audio session. Only called in a context of moving an effect
465 // from one thread to another
Eric Laurent81784c32012-11-19 14:55:58 -0800466 status_t addEffect_l(const sp< EffectModule>& effect);
467 // remove and effect module. Also removes the effect chain is this was the last
468 // effect
Eric Laurent0d5a2ed2016-12-01 15:28:29 -0800469 void removeEffect_l(const sp< EffectModule>& effect, bool release = false);
470 // disconnect an effect handle from module and destroy module if last handle
471 void disconnectEffectHandle(EffectHandle *handle, bool unpinIfLast);
Eric Laurent81784c32012-11-19 14:55:58 -0800472 // detach all tracks connected to an auxiliary effect
Glenn Kasten0f11b512014-01-31 16:18:54 -0800473 virtual void detachAuxEffect_l(int effectId __unused) {}
Eric Laurent4c415062016-06-17 16:14:16 -0700474 // returns a combination of:
475 // - EFFECT_SESSION if effects on this audio session exist in one chain
476 // - TRACK_SESSION if tracks on this audio session exist
477 // - FAST_SESSION if fast tracks on this audio session exist
Eric Laurentb62d0362021-10-26 17:40:18 +0200478 // - SPATIALIZED_SESSION if spatialized tracks on this audio session exist
Eric Laurent4c415062016-06-17 16:14:16 -0700479 virtual uint32_t hasAudioSession_l(audio_session_t sessionId) const = 0;
480 uint32_t hasAudioSession(audio_session_t sessionId) const {
481 Mutex::Autolock _l(mLock);
482 return hasAudioSession_l(sessionId);
483 }
484
Andy Hungc3d62f92019-03-14 13:38:51 -0700485 template <typename T>
486 uint32_t hasAudioSession_l(audio_session_t sessionId, const T& tracks) const {
487 uint32_t result = 0;
488 if (getEffectChain_l(sessionId) != 0) {
489 result = EFFECT_SESSION;
490 }
491 for (size_t i = 0; i < tracks.size(); ++i) {
492 const sp<TrackBase>& track = tracks[i];
493 if (sessionId == track->sessionId()
494 && !track->isInvalid() // not yet removed from tracks.
495 && !track->isTerminated()) {
496 result |= TRACK_SESSION;
497 if (track->isFastTrack()) {
498 result |= FAST_SESSION; // caution, only represents first track.
499 }
Eric Laurentb0a7bc92022-04-05 15:06:08 +0200500 if (track->isSpatialized()) {
Eric Laurentb62d0362021-10-26 17:40:18 +0200501 result |= SPATIALIZED_SESSION; // caution, only first track.
502 }
jiabinc658e452022-10-21 20:52:21 +0000503 if (track->isBitPerfect()) {
504 result |= BIT_PERFECT_SESSION;
505 }
Andy Hungc3d62f92019-03-14 13:38:51 -0700506 break;
507 }
508 }
509 return result;
510 }
511
Eric Laurent81784c32012-11-19 14:55:58 -0800512 // the value returned by default implementation is not important as the
513 // strategy is only meaningful for PlaybackThread which implements this method
Ytai Ben-Tsvi0a4904a2021-01-06 12:57:05 -0800514 virtual product_strategy_t getStrategyForSession_l(
515 audio_session_t sessionId __unused) {
516 return static_cast<product_strategy_t>(0);
517 }
Eric Laurent81784c32012-11-19 14:55:58 -0800518
Eric Laurent81784c32012-11-19 14:55:58 -0800519 // check if some effects must be suspended/restored when an effect is enabled
520 // or disabled
Eric Laurent6b446ce2019-12-13 10:56:31 -0800521 void checkSuspendOnEffectEnabled(bool enabled,
522 audio_session_t sessionId,
523 bool threadLocked);
Eric Laurent81784c32012-11-19 14:55:58 -0800524
525 virtual status_t setSyncEvent(const sp<SyncEvent>& event) = 0;
526 virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const = 0;
527
Glenn Kastenb880f5e2014-05-07 08:43:45 -0700528 // Return a reference to a per-thread heap which can be used to allocate IMemory
529 // objects that will be read-only to client processes, read/write to mediaserver,
530 // and shared by all client processes of the thread.
531 // The heap is per-thread rather than common across all threads, because
532 // clients can't be trusted not to modify the offset of the IMemory they receive.
533 // If a thread does not have such a heap, this method returns 0.
534 virtual sp<MemoryDealer> readOnlyHeap() const { return 0; }
Eric Laurent81784c32012-11-19 14:55:58 -0800535
Glenn Kasten6181ffd2014-05-13 10:41:52 -0700536 virtual sp<IMemory> pipeMemory() const { return 0; }
537
Eric Laurent72e3f392015-05-20 14:43:50 -0700538 void systemReady();
539
Eric Laurent4c415062016-06-17 16:14:16 -0700540 // checkEffectCompatibility_l() must be called with ThreadBase::mLock held
541 virtual status_t checkEffectCompatibility_l(const effect_descriptor_t *desc,
542 audio_session_t sessionId) = 0;
543
Eric Laurent6acd1d42017-01-04 14:23:29 -0800544 void broadcast_l();
545
Andy Hungc8fddf32018-08-08 18:32:37 -0700546 virtual bool isTimestampCorrectionEnabled() const { return false; }
547
548 bool isMsdDevice() const { return mIsMsdDevice; }
549
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -0700550 void dump(int fd, const Vector<String16>& args);
Andy Hungdc099c22018-09-18 13:46:39 -0700551
Andy Hungd0979812019-02-21 15:51:44 -0800552 // deliver stats to mediametrics.
553 void sendStatistics(bool force);
554
Eric Laurent81784c32012-11-19 14:55:58 -0800555 mutable Mutex mLock;
556
Eric Laurent6b446ce2019-12-13 10:56:31 -0800557 void onEffectEnable(const sp<EffectModule>& effect);
558 void onEffectDisable();
559
jiabineb3bda02020-06-30 14:07:03 -0700560 // invalidateTracksForAudioSession_l must be called with holding mLock.
561 virtual void invalidateTracksForAudioSession_l(audio_session_t sessionId __unused) const { }
562 // Invalidate all the tracks with the given audio session.
563 void invalidateTracksForAudioSession(audio_session_t sessionId) const {
564 Mutex::Autolock _l(mLock);
565 invalidateTracksForAudioSession_l(sessionId);
566 }
567
568 template <typename T>
569 void invalidateTracksForAudioSession_l(audio_session_t sessionId,
570 const T& tracks) const {
571 for (size_t i = 0; i < tracks.size(); ++i) {
572 const sp<TrackBase>& track = tracks[i];
573 if (sessionId == track->sessionId()) {
574 track->invalidate();
575 }
576 }
577 }
578
Jasmine Chaeaa10e42021-05-11 10:11:14 +0800579 virtual bool isStreamInitialized() = 0;
580
Eric Laurent81784c32012-11-19 14:55:58 -0800581protected:
582
583 // entry describing an effect being suspended in mSuspendedSessions keyed vector
584 class SuspendedSessionDesc : public RefBase {
585 public:
586 SuspendedSessionDesc() : mRefCount(0) {}
587
588 int mRefCount; // number of active suspend requests
589 effect_uuid_t mType; // effect type UUID
590 };
591
Andy Hungdae27702016-10-31 14:01:16 -0700592 void acquireWakeLock();
593 virtual void acquireWakeLock_l();
Eric Laurent81784c32012-11-19 14:55:58 -0800594 void releaseWakeLock();
595 void releaseWakeLock_l();
Andy Hungd01b0f12016-11-07 16:10:30 -0800596 void updateWakeLockUids_l(const SortedVector<uid_t> &uids);
Marco Nelissen462fd2f2013-01-14 14:12:05 -0800597 void getPowerManager_l();
Eric Laurentd8365c52017-07-16 15:27:05 -0700598 // suspend or restore effects of the specified type (or all if type is NULL)
599 // on a given session. The number of suspend requests is counted and restore
600 // occurs when all suspend requests are cancelled.
Eric Laurent81784c32012-11-19 14:55:58 -0800601 void setEffectSuspended_l(const effect_uuid_t *type,
602 bool suspend,
Glenn Kastend848eb42016-03-08 13:42:11 -0800603 audio_session_t sessionId);
Eric Laurentd8365c52017-07-16 15:27:05 -0700604 // updated mSuspendedSessions when an effect is suspended or restored
Eric Laurent81784c32012-11-19 14:55:58 -0800605 void updateSuspendedSessions_l(const effect_uuid_t *type,
606 bool suspend,
Glenn Kastend848eb42016-03-08 13:42:11 -0800607 audio_session_t sessionId);
Eric Laurent81784c32012-11-19 14:55:58 -0800608 // check if some effects must be suspended when an effect chain is added
609 void checkSuspendOnAddEffectChain_l(const sp<EffectChain>& chain);
610
Kevin Rocard069c2712018-03-29 19:09:14 -0700611 // sends the metadata of the active tracks to the HAL
612 virtual void updateMetadata_l() = 0;
613
Narayan Kamath014e7fa2013-10-14 15:03:38 +0100614 String16 getWakeLockTag();
615
Eric Laurent81784c32012-11-19 14:55:58 -0800616 virtual void preExit() { }
Andy Hung2ddee192015-12-18 17:34:44 -0800617 virtual void setMasterMono_l(bool mono __unused) { }
618 virtual bool requireMonoBlend() { return false; }
Eric Laurent81784c32012-11-19 14:55:58 -0800619
Andy Hung1c86ebe2018-05-29 20:29:08 -0700620 // called within the threadLoop to obtain timestamp from the HAL.
621 virtual status_t threadloop_getHalTimestamp_l(
622 ExtendedTimestamp *timestamp __unused) const {
623 return INVALID_OPERATION;
624 }
625
Eric Laurentd66d7a12021-07-13 13:35:32 +0200626 product_strategy_t getStrategyForStream(audio_stream_type_t stream) const;
627
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -0700628 virtual void dumpInternals_l(int fd __unused, const Vector<String16>& args __unused)
629 { }
630 virtual void dumpTracks_l(int fd __unused, const Vector<String16>& args __unused) { }
631
632
Vlad Popae8d99472022-06-30 16:02:48 +0200633 friend class AudioFlinger; // for mEffectChains and mAudioManager
Eric Laurent81784c32012-11-19 14:55:58 -0800634
635 const type_t mType;
636
637 // Used by parameters, config events, addTrack_l, exit
638 Condition mWaitWorkCV;
639
640 const sp<AudioFlinger> mAudioFlinger;
Andy Hungcf10d742020-04-28 15:38:24 -0700641 ThreadMetrics mThreadMetrics;
642 const bool mIsOut;
Glenn Kasten9b58f632013-07-16 11:37:48 -0700643
Glenn Kastendeca2ae2014-02-07 10:25:56 -0800644 // updated by PlaybackThread::readOutputParameters_l() or
645 // RecordThread::readInputParameters_l()
Eric Laurent81784c32012-11-19 14:55:58 -0800646 uint32_t mSampleRate;
647 size_t mFrameCount; // output HAL, direct output, record
Eric Laurent81784c32012-11-19 14:55:58 -0800648 audio_channel_mask_t mChannelMask;
Glenn Kastenf6ed4232013-07-16 11:16:27 -0700649 uint32_t mChannelCount;
Eric Laurent81784c32012-11-19 14:55:58 -0800650 size_t mFrameSize;
Glenn Kasten97b7b752014-09-28 13:04:24 -0700651 // not HAL frame size, this is for output sink (to pipe to fast mixer)
Andy Hung463be252014-07-10 16:56:07 -0700652 audio_format_t mFormat; // Source format for Recording and
653 // Sink format for Playback.
654 // Sink format may be different than
655 // HAL format if Fastmixer is used.
656 audio_format_t mHALFormat;
Glenn Kasten70949c42013-08-06 07:40:12 -0700657 size_t mBufferSize; // HAL buffer size for read() or write()
jiabinc52b1ff2019-10-31 17:20:42 -0700658 AudioDeviceTypeAddrVector mOutDeviceTypeAddrs; // output device types and addresses
659 AudioDeviceTypeAddr mInDeviceTypeAddr; // input device type and address
Eric Laurent10351942014-05-08 18:49:52 -0700660 Vector< sp<ConfigEvent> > mConfigEvents;
Eric Laurent72e3f392015-05-20 14:43:50 -0700661 Vector< sp<ConfigEvent> > mPendingConfigEvents; // events awaiting system ready
Eric Laurent81784c32012-11-19 14:55:58 -0800662
663 // These fields are written and read by thread itself without lock or barrier,
jiabinc52b1ff2019-10-31 17:20:42 -0700664 // and read by other threads without lock or barrier via standby(), outDeviceTypes()
665 // and inDeviceType().
Eric Laurent81784c32012-11-19 14:55:58 -0800666 // Because of the absence of a lock or barrier, any other thread that reads
667 // these fields must use the information in isolation, or be prepared to deal
668 // with possibility that it might be inconsistent with other information.
Glenn Kasten4944acb2013-08-19 08:39:20 -0700669 bool mStandby; // Whether thread is currently in standby.
jiabinc52b1ff2019-10-31 17:20:42 -0700670
Eric Laurent296fb132015-05-01 11:38:42 -0700671 struct audio_patch mPatch;
jiabinc52b1ff2019-10-31 17:20:42 -0700672
Glenn Kastenf59497b2015-01-26 16:35:47 -0800673 audio_source_t mAudioSource;
Eric Laurent81784c32012-11-19 14:55:58 -0800674
675 const audio_io_handle_t mId;
676 Vector< sp<EffectChain> > mEffectChains;
677
Glenn Kastend7dca052015-03-05 16:05:54 -0800678 static const int kThreadNameLength = 16; // prctl(PR_SET_NAME) limit
679 char mThreadName[kThreadNameLength]; // guaranteed NUL-terminated
Chris Ye6597d732020-02-28 22:38:25 -0800680 sp<os::IPowerManager> mPowerManager;
Eric Laurent81784c32012-11-19 14:55:58 -0800681 sp<IBinder> mWakeLockToken;
682 const sp<PMDeathRecipient> mDeathRecipient;
Glenn Kastend848eb42016-03-08 13:42:11 -0800683 // list of suspended effects per session and per type. The first (outer) vector is
684 // keyed by session ID, the second (inner) by type UUID timeLow field
Eric Laurentd8365c52017-07-16 15:27:05 -0700685 // Updated by updateSuspendedSessions_l() only.
Glenn Kastend848eb42016-03-08 13:42:11 -0800686 KeyedVector< audio_session_t, KeyedVector< int, sp<SuspendedSessionDesc> > >
Eric Laurent81784c32012-11-19 14:55:58 -0800687 mSuspendedSessions;
Sanna Catherine de Treville Wager2a6a9452017-07-28 11:02:01 -0700688 // TODO: add comment and adjust size as needed
Glenn Kastenab7d72f2013-02-27 09:05:28 -0800689 static const size_t kLogSize = 4 * 1024;
Glenn Kasten9e58b552013-01-18 15:09:48 -0800690 sp<NBLog::Writer> mNBLogWriter;
Eric Laurent72e3f392015-05-20 14:43:50 -0700691 bool mSystemReady;
Andy Hung818e7a32016-02-16 18:08:07 -0800692 ExtendedTimestamp mTimestamp;
Andy Hung2e2c0bb2018-06-11 19:13:11 -0700693 TimestampVerifier< // For timestamp statistics.
694 int64_t /* frame count */, int64_t /* time ns */> mTimestampVerifier;
Dean Wheatley12473e92021-03-18 23:00:55 +1100695 // DIRECT and OFFLOAD threads should reset frame count to zero on stop/flush
696 // TODO: add confirmation checks:
697 // 1) DIRECT threads and linear PCM format really resets to 0?
698 // 2) Is frame count really valid if not linear pcm?
699 // 3) Are all 64 bits of position returned, not just lowest 32 bits?
jiabinc52b1ff2019-10-31 17:20:42 -0700700 // Timestamp corrected device should be a single device.
701 audio_devices_t mTimestampCorrectedDevice = AUDIO_DEVICE_NONE;
Andy Hung446f4df2019-02-21 12:26:41 -0800702
703 // ThreadLoop statistics per iteration.
704 int64_t mLastIoBeginNs = -1;
705 int64_t mLastIoEndNs = -1;
706
Andy Hung44d648b2022-04-08 17:33:40 -0700707 // ThreadSnapshot is thread-safe (internally locked)
708 mediautils::ThreadSnapshot mThreadSnapshot;
709
Andy Hung446f4df2019-02-21 12:26:41 -0800710 // This should be read under ThreadBase lock (if not on the threadLoop thread).
711 audio_utils::Statistics<double> mIoJitterMs{0.995 /* alpha */};
712 audio_utils::Statistics<double> mProcessTimeMs{0.995 /* alpha */};
Andy Hunge6c37112019-02-26 17:38:10 -0800713 audio_utils::Statistics<double> mLatencyMs{0.995 /* alpha */};
Robert Wu06db0a32021-08-10 19:05:34 +0000714 audio_utils::Statistics<double> mMonopipePipeDepthStats{0.999 /* alpha */};
Andy Hung446f4df2019-02-21 12:26:41 -0800715
Andy Hungd0979812019-02-21 15:51:44 -0800716 // Save the last count when we delivered statistics to mediametrics.
717 int64_t mLastRecordedTimestampVerifierN = 0;
718 int64_t mLastRecordedTimeNs = 0; // BOOTTIME to include suspend.
719
Andy Hungc8fddf32018-08-08 18:32:37 -0700720 bool mIsMsdDevice = false;
Eric Laurent6acd1d42017-01-04 14:23:29 -0800721 // A condition that must be evaluated by the thread loop has changed and
722 // we must not wait for async write callback in the thread loop before evaluating it
723 bool mSignalPending;
Andy Hungdae27702016-10-31 14:01:16 -0700724
Andy Hung8946a282018-04-19 20:04:56 -0700725#ifdef TEE_SINK
726 NBAIO_Tee mTee;
727#endif
Andy Hungdae27702016-10-31 14:01:16 -0700728 // ActiveTracks is a sorted vector of track type T representing the
729 // active tracks of threadLoop() to be considered by the locked prepare portion.
730 // ActiveTracks should be accessed with the ThreadBase lock held.
731 //
732 // During processing and I/O, the threadLoop does not hold the lock;
733 // hence it does not directly use ActiveTracks. Care should be taken
734 // to hold local strong references or defer removal of tracks
735 // if the threadLoop may still be accessing those tracks due to mix, etc.
736 //
737 // This class updates power information appropriately.
738 //
739
740 template <typename T>
741 class ActiveTracks {
742 public:
Andy Hung2c6c3bb2017-06-16 14:01:45 -0700743 explicit ActiveTracks(SimpleLog *localLog = nullptr)
Andy Hungdae27702016-10-31 14:01:16 -0700744 : mActiveTracksGeneration(0)
745 , mLastActiveTracksGeneration(0)
Andy Hung2c6c3bb2017-06-16 14:01:45 -0700746 , mLocalLog(localLog)
Andy Hungdae27702016-10-31 14:01:16 -0700747 { }
748
749 ~ActiveTracks() {
750 ALOGW_IF(!mActiveTracks.isEmpty(),
751 "ActiveTracks should be empty in destructor");
752 }
753 // returns the last track added (even though it may have been
754 // subsequently removed from ActiveTracks).
755 //
756 // Used for DirectOutputThread to ensure a flush is called when transitioning
757 // to a new track (even though it may be on the same session).
758 // Used for OffloadThread to ensure that volume and mixer state is
759 // taken from the latest track added.
760 //
761 // The latest track is saved with a weak pointer to prevent keeping an
762 // otherwise useless track alive. Thus the function will return nullptr
763 // if the latest track has subsequently been removed and destroyed.
764 sp<T> getLatest() {
765 return mLatestActiveTrack.promote();
766 }
767
768 // SortedVector methods
769 ssize_t add(const sp<T> &track);
770 ssize_t remove(const sp<T> &track);
771 size_t size() const {
772 return mActiveTracks.size();
773 }
Eric Tan39ec8d62018-07-24 09:49:29 -0700774 bool isEmpty() const {
775 return mActiveTracks.isEmpty();
776 }
Andy Hungdae27702016-10-31 14:01:16 -0700777 ssize_t indexOf(const sp<T>& item) {
778 return mActiveTracks.indexOf(item);
779 }
780 sp<T> operator[](size_t index) const {
781 return mActiveTracks[index];
782 }
783 typename SortedVector<sp<T>>::iterator begin() {
784 return mActiveTracks.begin();
785 }
786 typename SortedVector<sp<T>>::iterator end() {
787 return mActiveTracks.end();
788 }
789
790 // Due to Binder recursion optimization, clear() and updatePowerState()
791 // cannot be called from a Binder thread because they may call back into
792 // the original calling process (system server) for BatteryNotifier
793 // (which requires a Java environment that may not be present).
794 // Hence, call clear() and updatePowerState() only from the
795 // ThreadBase thread.
796 void clear();
797 // periodically called in the threadLoop() to update power state uids.
798 void updatePowerState(sp<ThreadBase> thread, bool force = false);
799
Kevin Rocardc86a7f72018-04-03 09:00:09 -0700800 /** @return true if one or move active tracks was added or removed since the
Jasmine Chaeaa10e42021-05-11 10:11:14 +0800801 * last time this function was called or the vector was created.
802 * true if volume of one of active tracks was changed.
803 */
Kevin Rocard069c2712018-03-29 19:09:14 -0700804 bool readAndClearHasChanged();
805
Eric Laurentdda206a2022-07-08 17:28:35 +0200806 /** Force updating track metadata to audio HAL stream next time
807 * readAndClearHasChanged() is called.
808 */
809 void setHasChanged() { mHasChanged = true; }
810
Andy Hungdae27702016-10-31 14:01:16 -0700811 private:
Andy Hung2c6c3bb2017-06-16 14:01:45 -0700812 void logTrack(const char *funcName, const sp<T> &track) const;
813
Andy Hungd01b0f12016-11-07 16:10:30 -0800814 SortedVector<uid_t> getWakeLockUids() {
815 SortedVector<uid_t> wakeLockUids;
Andy Hungdae27702016-10-31 14:01:16 -0700816 for (const sp<T> &track : mActiveTracks) {
817 wakeLockUids.add(track->uid());
818 }
819 return wakeLockUids; // moved by underlying SharedBuffer
820 }
821
822 std::map<uid_t, std::pair<ssize_t /* previous */, ssize_t /* current */>>
823 mBatteryCounter;
824 SortedVector<sp<T>> mActiveTracks;
825 int mActiveTracksGeneration;
826 int mLastActiveTracksGeneration;
827 wp<T> mLatestActiveTrack; // latest track added to ActiveTracks
Andy Hung2c6c3bb2017-06-16 14:01:45 -0700828 SimpleLog * const mLocalLog;
Kevin Rocardc86a7f72018-04-03 09:00:09 -0700829 // If the vector has changed since last call to readAndClearHasChanged
Kevin Rocard069c2712018-03-29 19:09:14 -0700830 bool mHasChanged = false;
Andy Hungdae27702016-10-31 14:01:16 -0700831 };
Andy Hung293558a2017-03-21 12:19:20 -0700832
833 SimpleLog mLocalLog;
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -0700834
835private:
836 void dumpBase_l(int fd, const Vector<String16>& args);
837 void dumpEffectChains_l(int fd, const Vector<String16>& args);
Eric Laurent81784c32012-11-19 14:55:58 -0800838};
839
Eric Laurent6acd1d42017-01-04 14:23:29 -0800840class VolumeInterface {
841 public:
842
843 virtual ~VolumeInterface() {}
844
845 virtual void setMasterVolume(float value) = 0;
846 virtual void setMasterMute(bool muted) = 0;
847 virtual void setStreamVolume(audio_stream_type_t stream, float value) = 0;
848 virtual void setStreamMute(audio_stream_type_t stream, bool muted) = 0;
849 virtual float streamVolume(audio_stream_type_t stream) const = 0;
850
851};
852
Eric Laurent81784c32012-11-19 14:55:58 -0800853// --- PlaybackThread ---
Eric Laurent6acd1d42017-01-04 14:23:29 -0800854class PlaybackThread : public ThreadBase, public StreamOutHalInterfaceCallback,
jiabinf6eb4c32020-02-25 14:06:25 -0800855 public VolumeInterface, public StreamOutHalInterfaceEventCallback {
Eric Laurent81784c32012-11-19 14:55:58 -0800856public:
857
858#include "PlaybackTracks.h"
859
860 enum mixer_state {
861 MIXER_IDLE, // no active tracks
862 MIXER_TRACKS_ENABLED, // at least one active track, but no track has any data ready
Eric Laurentbfb1b832013-01-07 09:53:42 -0800863 MIXER_TRACKS_READY, // at least one active track, and at least one track has data
864 MIXER_DRAIN_TRACK, // drain currently playing track
865 MIXER_DRAIN_ALL, // fully drain the hardware
Eric Laurent81784c32012-11-19 14:55:58 -0800866 // standby mode does not have an enum value
867 // suspend by audio policy manager is orthogonal to mixer state
868 };
869
Eric Laurente93cc032016-05-05 10:15:10 -0700870 // retry count before removing active track in case of underrun on offloaded thread:
871 // we need to make sure that AudioTrack client has enough time to send large buffers
872 //FIXME may be more appropriate if expressed in time units. Need to revise how underrun is
873 // handled for offloaded tracks
874 static const int8_t kMaxTrackRetriesOffload = 20;
875 static const int8_t kMaxTrackStartupRetriesOffload = 100;
876 static const int8_t kMaxTrackStopRetriesOffload = 2;
Andy Hung8ed196a2018-01-05 13:21:11 -0800877 static constexpr uint32_t kMaxTracksPerUid = 40;
Andy Hung1bc088a2018-02-09 15:57:31 -0800878 static constexpr size_t kMaxTracks = 256;
Eric Laurente93cc032016-05-05 10:15:10 -0700879
rago1bb90822017-05-02 18:31:48 -0700880 // Maximum delay (in nanoseconds) for upcoming buffers in suspend mode, otherwise
881 // if delay is greater, the estimated time for timeLoopNextNs is reset.
882 // This allows for catch-up to be done for small delays, while resetting the estimate
883 // for initial conditions or large delays.
884 static const nsecs_t kMaxNextBufferDelayNs = 100000000;
885
Eric Laurent81784c32012-11-19 14:55:58 -0800886 PlaybackThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output,
Eric Laurentf1f22e72021-07-13 14:04:14 +0200887 audio_io_handle_t id, type_t type, bool systemReady,
888 audio_config_base_t *mixerConfig = nullptr);
Eric Laurent81784c32012-11-19 14:55:58 -0800889 virtual ~PlaybackThread();
890
Eric Laurent81784c32012-11-19 14:55:58 -0800891 // Thread virtuals
Eric Laurent81784c32012-11-19 14:55:58 -0800892 virtual bool threadLoop();
893
894 // RefBase
895 virtual void onFirstRef();
896
Eric Laurent4c415062016-06-17 16:14:16 -0700897 virtual status_t checkEffectCompatibility_l(const effect_descriptor_t *desc,
898 audio_session_t sessionId);
899
Eric Laurent81784c32012-11-19 14:55:58 -0800900protected:
901 // Code snippets that were lifted up out of threadLoop()
902 virtual void threadLoop_mix() = 0;
903 virtual void threadLoop_sleepTime() = 0;
Eric Laurentbfb1b832013-01-07 09:53:42 -0800904 virtual ssize_t threadLoop_write();
905 virtual void threadLoop_drain();
Eric Laurent81784c32012-11-19 14:55:58 -0800906 virtual void threadLoop_standby();
Eric Laurentbfb1b832013-01-07 09:53:42 -0800907 virtual void threadLoop_exit();
Eric Laurent81784c32012-11-19 14:55:58 -0800908 virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove);
909
910 // prepareTracks_l reads and writes mActiveTracks, and returns
911 // the pending set of tracks to remove via Vector 'tracksToRemove'. The caller
912 // is responsible for clearing or destroying this Vector later on, when it
913 // is safe to do so. That will drop the final ref count and destroy the tracks.
914 virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove) = 0;
Eric Laurentbfb1b832013-01-07 09:53:42 -0800915 void removeTracks_l(const Vector< sp<Track> >& tracksToRemove);
Eric Laurenteab90452019-06-24 15:17:46 -0700916 status_t handleVoipVolume_l(float *volume);
Eric Laurentbfb1b832013-01-07 09:53:42 -0800917
Mikhail Naganov1dc98672016-08-18 17:50:29 -0700918 // StreamOutHalInterfaceCallback implementation
919 virtual void onWriteReady();
920 virtual void onDrainReady();
921 virtual void onError();
Eric Laurentbfb1b832013-01-07 09:53:42 -0800922
Mikhail Naganov1dc98672016-08-18 17:50:29 -0700923 void resetWriteBlocked(uint32_t sequence);
924 void resetDraining(uint32_t sequence);
Eric Laurentbfb1b832013-01-07 09:53:42 -0800925
926 virtual bool waitingAsyncCallback();
927 virtual bool waitingAsyncCallback_l();
928 virtual bool shouldStandby_l();
Haynes Mathew George4c6a4332014-01-15 12:31:39 -0800929 virtual void onAddNewTrack_l();
Haynes Mathew George4527b9e2016-07-07 19:54:17 -0700930 void onAsyncError(); // error reported by AsyncCallbackThread
Eric Laurent81784c32012-11-19 14:55:58 -0800931
jiabinf6eb4c32020-02-25 14:06:25 -0800932 // StreamHalInterfaceCodecFormatCallback implementation
933 void onCodecFormatChanged(
934 const std::basic_string<uint8_t>& metadataBs) override;
935
Eric Laurent81784c32012-11-19 14:55:58 -0800936 // ThreadBase virtuals
937 virtual void preExit();
938
Eric Laurent64667972016-03-30 18:19:46 -0700939 virtual bool keepWakeLock() const { return true; }
Andy Hungdae27702016-10-31 14:01:16 -0700940 virtual void acquireWakeLock_l() {
941 ThreadBase::acquireWakeLock_l();
942 mActiveTracks.updatePowerState(this, true /* force */);
943 }
Eric Laurent64667972016-03-30 18:19:46 -0700944
Eric Laurentb3f315a2021-07-13 15:09:05 +0200945 virtual void checkOutputStageEffects() {}
Eric Laurent68a40a82022-05-03 18:15:04 +0200946 virtual void setHalLatencyMode_l() {}
947
Eric Laurentb3f315a2021-07-13 15:09:05 +0200948
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -0700949 void dumpInternals_l(int fd, const Vector<String16>& args) override;
950 void dumpTracks_l(int fd, const Vector<String16>& args) override;
951
Eric Laurent81784c32012-11-19 14:55:58 -0800952public:
953
954 virtual status_t initCheck() const { return (mOutput == NULL) ? NO_INIT : NO_ERROR; }
955
956 // return estimated latency in milliseconds, as reported by HAL
957 uint32_t latency() const;
958 // same, but lock must already be held
Eric Laurent6b446ce2019-12-13 10:56:31 -0800959 uint32_t latency_l() const override;
Eric Laurent81784c32012-11-19 14:55:58 -0800960
Eric Laurent6acd1d42017-01-04 14:23:29 -0800961 // VolumeInterface
962 virtual void setMasterVolume(float value);
Richard Folke Tullberg3fae0372017-01-13 09:04:25 +0100963 virtual void setMasterBalance(float balance);
Eric Laurent6acd1d42017-01-04 14:23:29 -0800964 virtual void setMasterMute(bool muted);
965 virtual void setStreamVolume(audio_stream_type_t stream, float value);
966 virtual void setStreamMute(audio_stream_type_t stream, bool muted);
967 virtual float streamVolume(audio_stream_type_t stream) const;
Eric Laurent81784c32012-11-19 14:55:58 -0800968
Eric Laurent6b446ce2019-12-13 10:56:31 -0800969 void setVolumeForOutput_l(float left, float right) const override;
Tomoharu Kasahara1990bd42014-12-12 14:04:11 +0900970
Eric Laurent81784c32012-11-19 14:55:58 -0800971 sp<Track> createTrack_l(
972 const sp<AudioFlinger::Client>& client,
973 audio_stream_type_t streamType,
Kevin Rocard1f564ac2018-03-29 13:53:10 -0700974 const audio_attributes_t& attr,
Eric Laurent21da6472017-11-09 16:29:26 -0800975 uint32_t *sampleRate,
Eric Laurent81784c32012-11-19 14:55:58 -0800976 audio_format_t format,
977 audio_channel_mask_t channelMask,
Glenn Kasten74935e42013-12-19 08:56:45 -0800978 size_t *pFrameCount,
Eric Laurent21da6472017-11-09 16:29:26 -0800979 size_t *pNotificationFrameCount,
980 uint32_t notificationsPerBuffer,
981 float speed,
Eric Laurent81784c32012-11-19 14:55:58 -0800982 const sp<IMemory>& sharedBuffer,
Glenn Kastend848eb42016-03-08 13:42:11 -0800983 audio_session_t sessionId,
Eric Laurent05067782016-06-01 18:27:28 -0700984 audio_output_flags_t *flags,
Eric Laurent09f1ed22019-04-24 17:45:17 -0700985 pid_t creatorPid,
Svet Ganov33761132021-05-13 22:51:08 +0000986 const AttributionSourceState& attributionSource,
Eric Laurent81784c32012-11-19 14:55:58 -0800987 pid_t tid,
Eric Laurent20b9ef02016-12-05 11:03:16 -0800988 status_t *status /*non-NULL*/,
jiabinf6eb4c32020-02-25 14:06:25 -0800989 audio_port_handle_t portId,
Eric Laurentb0a7bc92022-04-05 15:06:08 +0200990 const sp<media::IAudioTrackCallback>& callback,
jiabinc658e452022-10-21 20:52:21 +0000991 bool isSpatialized,
992 bool isBitPerfect);
Eric Laurent81784c32012-11-19 14:55:58 -0800993
994 AudioStreamOut* getOutput() const;
995 AudioStreamOut* clearOutput();
Mikhail Naganov1dc98672016-08-18 17:50:29 -0700996 virtual sp<StreamHalInterface> stream() const;
Eric Laurent81784c32012-11-19 14:55:58 -0800997
998 // a very large number of suspend() will eventually wraparound, but unlikely
999 void suspend() { (void) android_atomic_inc(&mSuspended); }
1000 void restore()
1001 {
1002 // if restore() is done without suspend(), get back into
1003 // range so that the next suspend() will operate correctly
1004 if (android_atomic_dec(&mSuspended) <= 0) {
1005 android_atomic_release_store(0, &mSuspended);
1006 }
1007 }
1008 bool isSuspended() const
1009 { return android_atomic_acquire_load(&mSuspended) > 0; }
1010
1011 virtual String8 getParameters(const String8& keys);
Mikhail Naganov88536df2021-07-26 17:30:29 -07001012 virtual void ioConfigChanged(audio_io_config_event_t event, pid_t pid = 0,
Eric Laurent09f1ed22019-04-24 17:45:17 -07001013 audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE);
Kévin PETIT377b2ec2014-02-03 12:35:36 +00001014 status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames);
Andy Hung010a1a12014-03-13 13:57:33 -07001015 // Consider also removing and passing an explicit mMainBuffer initialization
1016 // parameter to AF::PlaybackThread::Track::Track().
rago94a1ee82017-07-21 15:11:02 -07001017 effect_buffer_t *sinkBuffer() const {
1018 return reinterpret_cast<effect_buffer_t *>(mSinkBuffer); };
Eric Laurent81784c32012-11-19 14:55:58 -08001019
1020 virtual void detachAuxEffect_l(int effectId);
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -07001021 status_t attachAuxEffect(const sp<AudioFlinger::PlaybackThread::Track>& track,
Eric Laurent81784c32012-11-19 14:55:58 -08001022 int EffectId);
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -07001023 status_t attachAuxEffect_l(const sp<AudioFlinger::PlaybackThread::Track>& track,
Eric Laurent81784c32012-11-19 14:55:58 -08001024 int EffectId);
1025
1026 virtual status_t addEffectChain_l(const sp<EffectChain>& chain);
1027 virtual size_t removeEffectChain_l(const sp<EffectChain>& chain);
Andy Hungc3d62f92019-03-14 13:38:51 -07001028 uint32_t hasAudioSession_l(audio_session_t sessionId) const override {
1029 return ThreadBase::hasAudioSession_l(sessionId, mTracks);
1030 }
Ytai Ben-Tsvi0a4904a2021-01-06 12:57:05 -08001031 virtual product_strategy_t getStrategyForSession_l(audio_session_t sessionId);
Eric Laurent81784c32012-11-19 14:55:58 -08001032
1033
1034 virtual status_t setSyncEvent(const sp<SyncEvent>& event);
1035 virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const;
Glenn Kastenfb1fdc92013-07-10 17:03:19 -07001036
1037 // called with AudioFlinger lock held
Eric Laurent13084622016-05-17 10:51:49 -07001038 bool invalidateTracks_l(audio_stream_type_t streamType);
Haynes Mathew George05317d22016-05-03 16:34:26 -07001039 virtual void invalidateTracks(audio_stream_type_t streamType);
Eric Laurent81784c32012-11-19 14:55:58 -08001040
Glenn Kasten9b58f632013-07-16 11:37:48 -07001041 virtual size_t frameCount() const { return mNormalFrameCount; }
1042
Eric Laurentf1f22e72021-07-13 14:04:14 +02001043 audio_channel_mask_t mixerChannelMask() const override {
1044 return mMixerChannelMask;
1045 }
1046
Eric Laurent83b88082014-06-20 18:31:16 -07001047 status_t getTimestamp_l(AudioTimestamp& timestamp);
1048
1049 void addPatchTrack(const sp<PatchTrack>& track);
1050 void deletePatchTrack(const sp<PatchTrack>& track);
1051
Mikhail Naganovdc769682018-05-04 15:34:08 -07001052 virtual void toAudioPortConfig(struct audio_port_config *config);
Eric Laurentaccc1472013-09-20 09:36:34 -07001053
Andy Hung10cbff12017-02-21 17:30:14 -08001054 // Return the asynchronous signal wait time.
1055 virtual int64_t computeWaitTimeNs_l() const { return INT64_MAX; }
Andy Hung1bc088a2018-02-09 15:57:31 -08001056 // returns true if the track is allowed to be added to the thread.
1057 virtual bool isTrackAllowed_l(
1058 audio_channel_mask_t channelMask __unused,
1059 audio_format_t format __unused,
1060 audio_session_t sessionId __unused,
1061 uid_t uid) const {
1062 return trackCountForUid_l(uid) < PlaybackThread::kMaxTracksPerUid
1063 && mTracks.size() < PlaybackThread::kMaxTracks;
1064 }
1065
Andy Hungc8fddf32018-08-08 18:32:37 -07001066 bool isTimestampCorrectionEnabled() const override {
jiabinc52b1ff2019-10-31 17:20:42 -07001067 return audio_is_output_devices(mTimestampCorrectedDevice)
1068 && outDeviceTypes().count(mTimestampCorrectedDevice) != 0;
Andy Hungc8fddf32018-08-08 18:32:37 -07001069 }
jiabinc52b1ff2019-10-31 17:20:42 -07001070
Jasmine Chaeaa10e42021-05-11 10:11:14 +08001071 virtual bool isStreamInitialized() {
1072 return !(mOutput == nullptr || mOutput->stream == nullptr);
1073 }
1074
jiabineb3bda02020-06-30 14:07:03 -07001075 audio_channel_mask_t hapticChannelMask() const override {
1076 return mHapticChannelMask;
1077 }
1078 bool supportsHapticPlayback() const {
1079 return (mHapticChannelMask & AUDIO_CHANNEL_HAPTIC_ALL) != AUDIO_CHANNEL_NONE;
1080 }
1081
Eric Laurent74c38dc2020-12-23 18:19:44 +01001082 void setDownStreamPatch(const struct audio_patch *patch) {
1083 Mutex::Autolock _l(mLock);
1084 mDownStreamPatch = *patch;
1085 }
1086
jiabinf042b9b2021-05-07 23:46:28 +00001087 PlaybackThread::Track* getTrackById_l(audio_port_handle_t trackId);
1088
Eric Laurentb3f315a2021-07-13 15:09:05 +02001089 bool hasMixer() const {
Eric Laurent1c5e2e32021-08-18 18:50:28 +02001090 return mType == MIXER || mType == DUPLICATING || mType == SPATIALIZER;
Eric Laurentb3f315a2021-07-13 15:09:05 +02001091 }
Eric Laurent68a40a82022-05-03 18:15:04 +02001092
1093 virtual status_t setRequestedLatencyMode(
1094 audio_latency_mode_t mode __unused) { return INVALID_OPERATION; }
1095
1096 virtual status_t getSupportedLatencyModes(
1097 std::vector<audio_latency_mode_t>* modes __unused) {
1098 return INVALID_OPERATION;
1099 }
1100
Vlad Popaf09e93f2022-10-31 16:27:12 +01001101 void startMelComputation(const sp<audio_utils::MelProcessor>& processor);
Vlad Popab042ee62022-10-20 18:05:00 +02001102 void stopMelComputation();
1103
Eric Laurent81784c32012-11-19 14:55:58 -08001104protected:
Glenn Kastendeca2ae2014-02-07 10:25:56 -08001105 // updated by readOutputParameters_l()
Glenn Kasten9b58f632013-07-16 11:37:48 -07001106 size_t mNormalFrameCount; // normal mixer and effects
1107
Andy Hung08fb1742015-05-31 23:22:10 -07001108 bool mThreadThrottle; // throttle the thread processing
Andy Hung40eb1a12015-06-18 13:42:02 -07001109 uint32_t mThreadThrottleTimeMs; // throttle time for MIXER threads
1110 uint32_t mThreadThrottleEndMs; // notify once per throttling
Andy Hung08fb1742015-05-31 23:22:10 -07001111 uint32_t mHalfBufferMs; // half the buffer size in milliseconds
1112
Andy Hung010a1a12014-03-13 13:57:33 -07001113 void* mSinkBuffer; // frame size aligned sink buffer
Eric Laurent81784c32012-11-19 14:55:58 -08001114
Andy Hung98ef9782014-03-04 14:46:50 -08001115 // TODO:
1116 // Rearrange the buffer info into a struct/class with
1117 // clear, copy, construction, destruction methods.
1118 //
1119 // mSinkBuffer also has associated with it:
1120 //
1121 // mSinkBufferSize: Sink Buffer Size
1122 // mFormat: Sink Buffer Format
1123
Andy Hung69aed5f2014-02-25 17:24:40 -08001124 // Mixer Buffer (mMixerBuffer*)
1125 //
1126 // In the case of floating point or multichannel data, which is not in the
1127 // sink format, it is required to accumulate in a higher precision or greater channel count
1128 // buffer before downmixing or data conversion to the sink buffer.
1129
1130 // Set to "true" to enable the Mixer Buffer otherwise mixer output goes to sink buffer.
1131 bool mMixerBufferEnabled;
1132
1133 // Storage, 32 byte aligned (may make this alignment a requirement later).
1134 // Due to constraints on mNormalFrameCount, the buffer size is a multiple of 16 frames.
1135 void* mMixerBuffer;
1136
1137 // Size of mMixerBuffer in bytes: mNormalFrameCount * #channels * sampsize.
1138 size_t mMixerBufferSize;
1139
1140 // The audio format of mMixerBuffer. Set to AUDIO_FORMAT_PCM_(FLOAT|16_BIT) only.
1141 audio_format_t mMixerBufferFormat;
1142
1143 // An internal flag set to true by MixerThread::prepareTracks_l()
1144 // when mMixerBuffer contains valid data after mixing.
1145 bool mMixerBufferValid;
1146
Andy Hung98ef9782014-03-04 14:46:50 -08001147 // Effects Buffer (mEffectsBuffer*)
1148 //
1149 // In the case of effects data, which is not in the sink format,
1150 // it is required to accumulate in a different buffer before data conversion
1151 // to the sink buffer.
1152
1153 // Set to "true" to enable the Effects Buffer otherwise effects output goes to sink buffer.
1154 bool mEffectBufferEnabled;
1155
1156 // Storage, 32 byte aligned (may make this alignment a requirement later).
1157 // Due to constraints on mNormalFrameCount, the buffer size is a multiple of 16 frames.
1158 void* mEffectBuffer;
1159
1160 // Size of mEffectsBuffer in bytes: mNormalFrameCount * #channels * sampsize.
1161 size_t mEffectBufferSize;
1162
1163 // The audio format of mEffectsBuffer. Set to AUDIO_FORMAT_PCM_16_BIT only.
1164 audio_format_t mEffectBufferFormat;
1165
1166 // An internal flag set to true by MixerThread::prepareTracks_l()
1167 // when mEffectsBuffer contains valid data after mixing.
1168 //
1169 // When this is set, all mixer data is routed into the effects buffer
1170 // for any processing (including output processing).
1171 bool mEffectBufferValid;
1172
jiabinc658e452022-10-21 20:52:21 +00001173 // Set to "true" to enable when data has already copied to sink
1174 bool mHasDataCopiedToSinkBuffer = false;
1175
Eric Laurentb62d0362021-10-26 17:40:18 +02001176 // Frame size aligned buffer used as input and output to all post processing effects
1177 // except the Spatializer in a SPATIALIZER thread. Non spatialized tracks are mixed into
1178 // this buffer so that post processing effects can be applied.
1179 void* mPostSpatializerBuffer = nullptr;
1180
1181 // Size of mPostSpatializerBuffer in bytes
1182 size_t mPostSpatializerBufferSize;
Eric Laurent39095982021-08-24 18:29:27 +02001183
1184
Eric Laurent81784c32012-11-19 14:55:58 -08001185 // suspend count, > 0 means suspended. While suspended, the thread continues to pull from
1186 // tracks and mix, but doesn't write to HAL. A2DP and SCO HAL implementations can't handle
1187 // concurrent use of both of them, so Audio Policy Service suspends one of the threads to
1188 // workaround that restriction.
1189 // 'volatile' means accessed via atomic operations and no lock.
1190 volatile int32_t mSuspended;
1191
Andy Hung818e7a32016-02-16 18:08:07 -08001192 int64_t mBytesWritten;
yucliu6cfb5932022-07-20 17:40:39 -07001193 std::atomic<int64_t> mFramesWritten; // not reset on standby
Dean Wheatley12473e92021-03-18 23:00:55 +11001194 int64_t mLastFramesWritten = -1; // track changes in timestamp
1195 // server frames written.
Andy Hung238fa3d2016-07-28 10:53:22 -07001196 int64_t mSuspendedFrames; // not reset on standby
jiabin245cdd92018-12-07 17:55:15 -08001197
1198 // mHapticChannelMask and mHapticChannelCount will only be valid when the thread support
1199 // haptic playback.
1200 audio_channel_mask_t mHapticChannelMask = AUDIO_CHANNEL_NONE;
1201 uint32_t mHapticChannelCount = 0;
Eric Laurentf1f22e72021-07-13 14:04:14 +02001202
1203 audio_channel_mask_t mMixerChannelMask = AUDIO_CHANNEL_NONE;
1204
Eric Laurent81784c32012-11-19 14:55:58 -08001205private:
Vlad Popab042ee62022-10-20 18:05:00 +02001206 mediautils::atomic_sp<audio_utils::MelProcessor> mMelProcessor;
1207
Eric Laurent81784c32012-11-19 14:55:58 -08001208 // mMasterMute is in both PlaybackThread and in AudioFlinger. When a
1209 // PlaybackThread needs to find out if master-muted, it checks it's local
1210 // copy rather than the one in AudioFlinger. This optimization saves a lock.
1211 bool mMasterMute;
1212 void setMasterMute_l(bool muted) { mMasterMute = muted; }
Dean Wheatley12473e92021-03-18 23:00:55 +11001213
1214 auto discontinuityForStandbyOrFlush() const { // call on threadLoop or with lock.
1215 return ((mType == DIRECT && !audio_is_linear_pcm(mFormat))
1216 || mType == OFFLOAD)
1217 ? mTimestampVerifier.DISCONTINUITY_MODE_ZERO
1218 : mTimestampVerifier.DISCONTINUITY_MODE_CONTINUOUS;
1219 }
1220
Eric Laurent81784c32012-11-19 14:55:58 -08001221protected:
Andy Hungdae27702016-10-31 14:01:16 -07001222 ActiveTracks<Track> mActiveTracks;
Eric Laurent81784c32012-11-19 14:55:58 -08001223
Eric Laurent81784c32012-11-19 14:55:58 -08001224 // Time to sleep between cycles when:
1225 virtual uint32_t activeSleepTimeUs() const; // mixer state MIXER_TRACKS_ENABLED
1226 virtual uint32_t idleSleepTimeUs() const = 0; // mixer state MIXER_IDLE
1227 virtual uint32_t suspendSleepTimeUs() const = 0; // audio policy manager suspended us
1228 // No sleep when mixer state == MIXER_TRACKS_READY; relies on audio HAL stream->write()
1229 // No sleep in standby mode; waits on a condition
1230
1231 // Code snippets that are temporarily lifted up out of threadLoop() until the merge
1232 void checkSilentMode_l();
1233
1234 // Non-trivial for DUPLICATING only
1235 virtual void saveOutputTracks() { }
1236 virtual void clearOutputTracks() { }
1237
1238 // Cache various calculated values, at threadLoop() entry and after a parameter change
1239 virtual void cacheParameters_l();
Eric Laurentb3f315a2021-07-13 15:09:05 +02001240 void setCheckOutputStageEffects() override {
1241 mCheckOutputStageEffects.store(true);
1242 }
Eric Laurent81784c32012-11-19 14:55:58 -08001243
1244 virtual uint32_t correctLatency_l(uint32_t latency) const;
1245
Eric Laurent1c333e22014-05-20 10:48:17 -07001246 virtual status_t createAudioPatch_l(const struct audio_patch *patch,
1247 audio_patch_handle_t *handle);
1248 virtual status_t releaseAudioPatch_l(const audio_patch_handle_t handle);
1249
Phil Burk6fc2a7c2015-04-30 16:08:10 -07001250 bool usesHwAvSync() const { return (mType == DIRECT) && (mOutput != NULL)
1251 && mHwSupportsPause
1252 && (mOutput->flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC); }
Eric Laurent0f7b5f22014-12-19 10:43:21 -08001253
Andy Hung1bc088a2018-02-09 15:57:31 -08001254 uint32_t trackCountForUid_l(uid_t uid) const;
Eric Laurentad7dd962016-09-22 12:38:37 -07001255
jiabineb3bda02020-06-30 14:07:03 -07001256 void invalidateTracksForAudioSession_l(
1257 audio_session_t sessionId) const override {
1258 ThreadBase::invalidateTracksForAudioSession_l(sessionId, mTracks);
1259 }
1260
Eric Laurent81784c32012-11-19 14:55:58 -08001261private:
1262
1263 friend class AudioFlinger; // for numerous
1264
Mikhail Naganovbf493082017-04-17 17:37:12 -07001265 DISALLOW_COPY_AND_ASSIGN(PlaybackThread);
Eric Laurent81784c32012-11-19 14:55:58 -08001266
1267 status_t addTrack_l(const sp<Track>& track);
Eric Laurentbfb1b832013-01-07 09:53:42 -08001268 bool destroyTrack_l(const sp<Track>& track);
Eric Laurent81784c32012-11-19 14:55:58 -08001269 void removeTrack_l(const sp<Track>& track);
1270
Glenn Kastendeca2ae2014-02-07 10:25:56 -08001271 void readOutputParameters_l();
Kevin Rocardc86a7f72018-04-03 09:00:09 -07001272 void updateMetadata_l() final;
1273 virtual void sendMetadataToBackend_l(const StreamOutHalInterface::SourceMetadata& metadata);
Eric Laurent81784c32012-11-19 14:55:58 -08001274
Dean Wheatley12473e92021-03-18 23:00:55 +11001275 void collectTimestamps_l();
1276
Andy Hungc0691382018-09-12 18:01:57 -07001277 // The Tracks class manages tracks added and removed from the Thread.
Andy Hung1bc088a2018-02-09 15:57:31 -08001278 template <typename T>
1279 class Tracks {
1280 public:
Andy Hungc0691382018-09-12 18:01:57 -07001281 Tracks(bool saveDeletedTrackIds) :
1282 mSaveDeletedTrackIds(saveDeletedTrackIds) { }
Andy Hung1bc088a2018-02-09 15:57:31 -08001283
1284 // SortedVector methods
Andy Hungc0691382018-09-12 18:01:57 -07001285 ssize_t add(const sp<T> &track) {
1286 const ssize_t index = mTracks.add(track);
1287 LOG_ALWAYS_FATAL_IF(index < 0, "cannot add track");
1288 return index;
1289 }
Andy Hung1bc088a2018-02-09 15:57:31 -08001290 ssize_t remove(const sp<T> &track);
1291 size_t size() const {
1292 return mTracks.size();
1293 }
1294 bool isEmpty() const {
1295 return mTracks.isEmpty();
1296 }
1297 ssize_t indexOf(const sp<T> &item) {
1298 return mTracks.indexOf(item);
1299 }
1300 sp<T> operator[](size_t index) const {
1301 return mTracks[index];
1302 }
1303 typename SortedVector<sp<T>>::iterator begin() {
1304 return mTracks.begin();
1305 }
1306 typename SortedVector<sp<T>>::iterator end() {
1307 return mTracks.end();
1308 }
1309
Andy Hungc0691382018-09-12 18:01:57 -07001310 size_t processDeletedTrackIds(std::function<void(int)> f) {
1311 for (const int trackId : mDeletedTrackIds) {
1312 f(trackId);
Andy Hung1bc088a2018-02-09 15:57:31 -08001313 }
Andy Hungc0691382018-09-12 18:01:57 -07001314 return mDeletedTrackIds.size();
Andy Hung1bc088a2018-02-09 15:57:31 -08001315 }
1316
Andy Hungc0691382018-09-12 18:01:57 -07001317 void clearDeletedTrackIds() { mDeletedTrackIds.clear(); }
Andy Hung1bc088a2018-02-09 15:57:31 -08001318
1319 private:
Andy Hungc0691382018-09-12 18:01:57 -07001320 // Tracks pending deletion for MIXER type threads
1321 const bool mSaveDeletedTrackIds; // true to enable tracking
1322 std::set<int> mDeletedTrackIds;
Andy Hung1bc088a2018-02-09 15:57:31 -08001323
1324 SortedVector<sp<T>> mTracks; // wrapped SortedVector.
1325 };
1326
1327 Tracks<Track> mTracks;
1328
Eric Laurent223fd5c2014-11-11 13:43:36 -08001329 stream_type_t mStreamTypes[AUDIO_STREAM_CNT];
Eric Laurent81784c32012-11-19 14:55:58 -08001330 AudioStreamOut *mOutput;
1331
1332 float mMasterVolume;
Richard Folke Tullberg3fae0372017-01-13 09:04:25 +01001333 std::atomic<float> mMasterBalance{};
1334 audio_utils::Balance mBalance;
Eric Laurent81784c32012-11-19 14:55:58 -08001335 int mNumWrites;
1336 int mNumDelayedWrites;
1337 bool mInWrite;
1338
1339 // FIXME rename these former local variables of threadLoop to standard "m" names
Eric Laurentad9cb8b2015-05-26 16:38:19 -07001340 nsecs_t mStandbyTimeNs;
Andy Hung25c2dac2014-02-27 14:56:00 -08001341 size_t mSinkBufferSize;
Eric Laurent81784c32012-11-19 14:55:58 -08001342
1343 // cached copies of activeSleepTimeUs() and idleSleepTimeUs() made by cacheParameters_l()
Eric Laurentad9cb8b2015-05-26 16:38:19 -07001344 uint32_t mActiveSleepTimeUs;
1345 uint32_t mIdleSleepTimeUs;
Eric Laurent81784c32012-11-19 14:55:58 -08001346
Eric Laurentad9cb8b2015-05-26 16:38:19 -07001347 uint32_t mSleepTimeUs;
Eric Laurent81784c32012-11-19 14:55:58 -08001348
1349 // mixer status returned by prepareTracks_l()
1350 mixer_state mMixerStatus; // current cycle
1351 // previous cycle when in prepareTracks_l()
1352 mixer_state mMixerStatusIgnoringFastTracks;
1353 // FIXME or a separate ready state per track
1354
1355 // FIXME move these declarations into the specific sub-class that needs them
1356 // MIXER only
1357 uint32_t sleepTimeShift;
1358
1359 // same as AudioFlinger::mStandbyTimeInNsecs except for DIRECT which uses a shorter value
Eric Laurentad9cb8b2015-05-26 16:38:19 -07001360 nsecs_t mStandbyDelayNs;
Eric Laurent81784c32012-11-19 14:55:58 -08001361
1362 // MIXER only
1363 nsecs_t maxPeriod;
1364
1365 // DUPLICATING only
1366 uint32_t writeFrames;
1367
Eric Laurentbfb1b832013-01-07 09:53:42 -08001368 size_t mBytesRemaining;
1369 size_t mCurrentWriteLength;
1370 bool mUseAsyncWrite;
Eric Laurent3b4529e2013-09-05 18:09:19 -07001371 // mWriteAckSequence contains current write sequence on bits 31-1. The write sequence is
1372 // incremented each time a write(), a flush() or a standby() occurs.
1373 // Bit 0 is set when a write blocks and indicates a callback is expected.
1374 // Bit 0 is reset by the async callback thread calling resetWriteBlocked(). Out of sequence
1375 // callbacks are ignored.
1376 uint32_t mWriteAckSequence;
1377 // mDrainSequence contains current drain sequence on bits 31-1. The drain sequence is
1378 // incremented each time a drain is requested or a flush() or standby() occurs.
1379 // Bit 0 is set when the drain() command is called at the HAL and indicates a callback is
1380 // expected.
1381 // Bit 0 is reset by the async callback thread calling resetDraining(). Out of sequence
1382 // callbacks are ignored.
1383 uint32_t mDrainSequence;
Eric Laurentbfb1b832013-01-07 09:53:42 -08001384 sp<AsyncCallbackThread> mCallbackThread;
1385
jiabinf6eb4c32020-02-25 14:06:25 -08001386 Mutex mAudioTrackCbLock;
1387 // Record of IAudioTrackCallback
jiabin18a4b1c2020-09-17 11:40:42 -07001388 std::map<sp<Track>, sp<media::IAudioTrackCallback>> mAudioTrackCallbacks;
jiabinf6eb4c32020-02-25 14:06:25 -08001389
Eric Laurent81784c32012-11-19 14:55:58 -08001390private:
1391 // The HAL output sink is treated as non-blocking, but current implementation is blocking
1392 sp<NBAIO_Sink> mOutputSink;
1393 // If a fast mixer is present, the blocking pipe sink, otherwise clear
1394 sp<NBAIO_Sink> mPipeSink;
1395 // The current sink for the normal mixer to write it's (sub)mix, mOutputSink or mPipeSink
1396 sp<NBAIO_Sink> mNormalSink;
Eric Laurent81784c32012-11-19 14:55:58 -08001397 uint32_t mScreenState; // cached copy of gScreenState
Sanna Catherine de Treville Wager2a6a9452017-07-28 11:02:01 -07001398 // TODO: add comment and adjust size as needed
Glenn Kasteneef598c2017-04-03 14:41:13 -07001399 static const size_t kFastMixerLogSize = 8 * 1024;
Glenn Kasten9e58b552013-01-18 15:09:48 -08001400 sp<NBLog::Writer> mFastMixerNBLogWriter;
Andy Hung2148bf02016-11-28 19:01:02 -08001401
Dean Wheatley30d28422018-11-06 10:27:40 +11001402 // Downstream patch latency, available if mDownstreamLatencyStatMs.getN() > 0.
1403 audio_utils::Statistics<double> mDownstreamLatencyStatMs{0.999};
Andy Hung2148bf02016-11-28 19:01:02 -08001404
Eric Laurent81784c32012-11-19 14:55:58 -08001405public:
1406 virtual bool hasFastMixer() const = 0;
Glenn Kasten0f11b512014-01-31 16:18:54 -08001407 virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex __unused) const
Eric Laurent81784c32012-11-19 14:55:58 -08001408 { FastTrackUnderruns dummy; return dummy; }
yucliu6cfb5932022-07-20 17:40:39 -07001409 const std::atomic<int64_t>& framesWritten() const { return mFramesWritten; }
Eric Laurent81784c32012-11-19 14:55:58 -08001410
1411protected:
1412 // accessed by both binder threads and within threadLoop(), lock on mutex needed
1413 unsigned mFastTrackAvailMask; // bit i set if fast track [i] is available
Eric Laurentd1f69b02014-12-15 14:33:13 -08001414 bool mHwSupportsPause;
1415 bool mHwPaused;
1416 bool mFlushPending;
Eric Laurent7c29ec92017-09-20 17:54:22 -07001417 // volumes last sent to audio HAL with stream->setVolume()
1418 float mLeftVolFloat;
1419 float mRightVolFloat;
Eric Laurent74c38dc2020-12-23 18:19:44 +01001420
1421 // audio patch used by the downstream software patch.
1422 // Only used if ThreadBase::mIsMsdDevice is true.
1423 struct audio_patch mDownStreamPatch;
Eric Laurentb3f315a2021-07-13 15:09:05 +02001424
1425 std::atomic_bool mCheckOutputStageEffects{};
ziyangch8f194f12021-12-01 13:48:04 -08001426
ziyangch8f194f12021-12-01 13:48:04 -08001427
Brian Lindahl65e90012022-07-27 18:01:07 +02001428 // Provides periodic checking for timestamp advancement for underrun detection.
1429 class IsTimestampAdvancing {
1430 public:
1431 // The timestamp will not be checked any faster than the specified time.
1432 IsTimestampAdvancing(nsecs_t minimumTimeBetweenChecksNs)
1433 : mMinimumTimeBetweenChecksNs(minimumTimeBetweenChecksNs)
1434 {
1435 clear();
1436 }
1437 // Check if the presentation position has advanced in the last periodic time.
1438 bool check(AudioStreamOut * output);
1439 // Clear the internal state when the playback state changes for the output
1440 // stream.
1441 void clear();
1442 private:
1443 // The minimum time between timestamp checks.
1444 const nsecs_t mMinimumTimeBetweenChecksNs;
1445 // Add differential check on the timestamps to see if there is a change in the
1446 // timestamp frame position between the last call to check.
1447 uint64_t mPreviousPosition;
1448 // The time at which the last check occurred, to ensure we don't check too
1449 // frequently, giving the Audio HAL enough time to update its timestamps.
1450 nsecs_t mPreviousNs;
1451 // The valued is latched so we don't check timestamps too frequently.
1452 bool mLatchedValue;
1453 };
1454 IsTimestampAdvancing mIsTimestampAdvancing;
ziyangch8f194f12021-12-01 13:48:04 -08001455
Brian Lindahl65e90012022-07-27 18:01:07 +02001456 virtual void flushHw_l() {
1457 mIsTimestampAdvancing.clear();
1458 }
Eric Laurent81784c32012-11-19 14:55:58 -08001459};
1460
1461class MixerThread : public PlaybackThread {
1462public:
1463 MixerThread(const sp<AudioFlinger>& audioFlinger,
1464 AudioStreamOut* output,
1465 audio_io_handle_t id,
Eric Laurent72e3f392015-05-20 14:43:50 -07001466 bool systemReady,
Eric Laurentf1f22e72021-07-13 14:04:14 +02001467 type_t type = MIXER,
1468 audio_config_base_t *mixerConfig = nullptr);
Eric Laurent81784c32012-11-19 14:55:58 -08001469 virtual ~MixerThread();
1470
1471 // Thread virtuals
1472
Eric Laurent10351942014-05-08 18:49:52 -07001473 virtual bool checkForNewParameter_l(const String8& keyValuePair,
1474 status_t& status);
Eric Laurent81784c32012-11-19 14:55:58 -08001475
Andy Hung1bc088a2018-02-09 15:57:31 -08001476 virtual bool isTrackAllowed_l(
1477 audio_channel_mask_t channelMask, audio_format_t format,
1478 audio_session_t sessionId, uid_t uid) const override;
Eric Laurent81784c32012-11-19 14:55:58 -08001479protected:
1480 virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove);
Eric Laurent81784c32012-11-19 14:55:58 -08001481 virtual uint32_t idleSleepTimeUs() const;
1482 virtual uint32_t suspendSleepTimeUs() const;
1483 virtual void cacheParameters_l();
1484
Andy Hungdae27702016-10-31 14:01:16 -07001485 virtual void acquireWakeLock_l() {
1486 PlaybackThread::acquireWakeLock_l();
Andy Hung818e7a32016-02-16 18:08:07 -08001487 if (hasFastMixer()) {
1488 mFastMixer->setBoottimeOffset(
1489 mTimestamp.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_BOOTTIME]);
1490 }
1491 }
1492
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07001493 void dumpInternals_l(int fd, const Vector<String16>& args) override;
1494
Eric Laurent81784c32012-11-19 14:55:58 -08001495 // threadLoop snippets
Eric Laurentbfb1b832013-01-07 09:53:42 -08001496 virtual ssize_t threadLoop_write();
Eric Laurent81784c32012-11-19 14:55:58 -08001497 virtual void threadLoop_standby();
1498 virtual void threadLoop_mix();
1499 virtual void threadLoop_sleepTime();
Eric Laurent81784c32012-11-19 14:55:58 -08001500 virtual uint32_t correctLatency_l(uint32_t latency) const;
1501
Eric Laurent054d9d32015-04-24 08:48:48 -07001502 virtual status_t createAudioPatch_l(const struct audio_patch *patch,
1503 audio_patch_handle_t *handle);
1504 virtual status_t releaseAudioPatch_l(const audio_patch_handle_t handle);
1505
Eric Laurent81784c32012-11-19 14:55:58 -08001506 AudioMixer* mAudioMixer; // normal mixer
1507private:
1508 // one-time initialization, no locks required
Glenn Kasten4d23ca32014-05-13 10:39:51 -07001509 sp<FastMixer> mFastMixer; // non-0 if there is also a fast mixer
Eric Laurent81784c32012-11-19 14:55:58 -08001510 sp<AudioWatchdog> mAudioWatchdog; // non-0 if there is an audio watchdog thread
1511
1512 // contents are not guaranteed to be consistent, no locks required
1513 FastMixerDumpState mFastMixerDumpState;
1514#ifdef STATE_QUEUE_DUMP
1515 StateQueueObserverDump mStateQueueObserverDump;
1516 StateQueueMutatorDump mStateQueueMutatorDump;
1517#endif
1518 AudioWatchdogDump mAudioWatchdogDump;
1519
1520 // accessible only within the threadLoop(), no locks required
1521 // mFastMixer->sq() // for mutating and pushing state
1522 int32_t mFastMixerFutex; // for cold idle
1523
Andy Hung2ddee192015-12-18 17:34:44 -08001524 std::atomic_bool mMasterMono;
Eric Laurent81784c32012-11-19 14:55:58 -08001525public:
Glenn Kasten4d23ca32014-05-13 10:39:51 -07001526 virtual bool hasFastMixer() const { return mFastMixer != 0; }
Eric Laurent81784c32012-11-19 14:55:58 -08001527 virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const {
Glenn Kastendc2c50b2016-04-21 08:13:14 -07001528 ALOG_ASSERT(fastIndex < FastMixerState::sMaxFastTracks);
Eric Laurent81784c32012-11-19 14:55:58 -08001529 return mFastMixerDumpState.mTracks[fastIndex].mUnderruns;
1530 }
Eric Laurent83b88082014-06-20 18:31:16 -07001531
Andy Hung1c86ebe2018-05-29 20:29:08 -07001532 status_t threadloop_getHalTimestamp_l(
1533 ExtendedTimestamp *timestamp) const override {
1534 if (mNormalSink.get() != nullptr) {
1535 return mNormalSink->getTimestamp(*timestamp);
1536 }
1537 return INVALID_OPERATION;
1538 }
1539
Andy Hung2ddee192015-12-18 17:34:44 -08001540protected:
1541 virtual void setMasterMono_l(bool mono) {
1542 mMasterMono.store(mono);
1543 if (mFastMixer != nullptr) { /* hasFastMixer() */
1544 mFastMixer->setMasterMono(mMasterMono);
1545 }
1546 }
1547 // the FastMixer performs mono blend if it exists.
Glenn Kasten03c48d52016-01-27 17:25:17 -08001548 // Blending with limiter is not idempotent,
1549 // and blending without limiter is idempotent but inefficient to do twice.
Andy Hung2ddee192015-12-18 17:34:44 -08001550 virtual bool requireMonoBlend() { return mMasterMono.load() && !hasFastMixer(); }
Richard Folke Tullberg3fae0372017-01-13 09:04:25 +01001551
1552 void setMasterBalance(float balance) override {
1553 mMasterBalance.store(balance);
1554 if (hasFastMixer()) {
1555 mFastMixer->setMasterBalance(balance);
1556 }
1557 }
Eric Laurent81784c32012-11-19 14:55:58 -08001558};
1559
1560class DirectOutputThread : public PlaybackThread {
1561public:
1562
1563 DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output,
Gareth Fennb18c1a32022-10-05 13:42:36 -07001564 audio_io_handle_t id, bool systemReady,
1565 const audio_offload_info_t& offloadInfo)
1566 : DirectOutputThread(audioFlinger, output, id, DIRECT, systemReady, offloadInfo) { }
Andy Hung48f59ed2019-01-28 15:06:59 -08001567
Eric Laurent81784c32012-11-19 14:55:58 -08001568 virtual ~DirectOutputThread();
1569
Mikhail Naganovac917ac2018-11-28 14:03:52 -08001570 status_t selectPresentation(int presentationId, int programId);
1571
Eric Laurent81784c32012-11-19 14:55:58 -08001572 // Thread virtuals
1573
Eric Laurent10351942014-05-08 18:49:52 -07001574 virtual bool checkForNewParameter_l(const String8& keyValuePair,
1575 status_t& status);
Richard Folke Tullberg3fae0372017-01-13 09:04:25 +01001576
ziyangch8f194f12021-12-01 13:48:04 -08001577 void flushHw_l() override;
Eric Laurent81784c32012-11-19 14:55:58 -08001578
Richard Folke Tullberg3fae0372017-01-13 09:04:25 +01001579 void setMasterBalance(float balance) override;
1580
Eric Laurent81784c32012-11-19 14:55:58 -08001581protected:
Eric Laurent81784c32012-11-19 14:55:58 -08001582 virtual uint32_t activeSleepTimeUs() const;
1583 virtual uint32_t idleSleepTimeUs() const;
1584 virtual uint32_t suspendSleepTimeUs() const;
1585 virtual void cacheParameters_l();
1586
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07001587 void dumpInternals_l(int fd, const Vector<String16>& args) override;
1588
Eric Laurent81784c32012-11-19 14:55:58 -08001589 // threadLoop snippets
1590 virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove);
1591 virtual void threadLoop_mix();
1592 virtual void threadLoop_sleepTime();
Eric Laurentd1f69b02014-12-15 14:33:13 -08001593 virtual void threadLoop_exit();
1594 virtual bool shouldStandby_l();
Eric Laurent81784c32012-11-19 14:55:58 -08001595
Phil Burk43b4dcc2015-06-09 16:53:44 -07001596 virtual void onAddNewTrack_l();
1597
Gareth Fennb18c1a32022-10-05 13:42:36 -07001598 const audio_offload_info_t mOffloadInfo;
Andy Hung398ffa22022-12-13 19:19:53 -08001599
1600 audioflinger::MonotonicFrameCounter mMonotonicFrameCounter; // for VolumeShaper
Andy Hung48f59ed2019-01-28 15:06:59 -08001601 bool mVolumeShaperActive = false;
Eric Laurent81784c32012-11-19 14:55:58 -08001602
Eric Laurentbfb1b832013-01-07 09:53:42 -08001603 DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output,
Gareth Fennb18c1a32022-10-05 13:42:36 -07001604 audio_io_handle_t id, ThreadBase::type_t type, bool systemReady,
1605 const audio_offload_info_t& offloadInfo);
Eric Laurent5850c4c2016-11-10 13:04:31 -08001606 void processVolume_l(Track *track, bool lastTrack);
Gareth Fennb18c1a32022-10-05 13:42:36 -07001607 bool isTunerStream() const { return (mOffloadInfo.content_id > 0); }
Eric Laurentbfb1b832013-01-07 09:53:42 -08001608
Eric Laurent81784c32012-11-19 14:55:58 -08001609 // prepareTracks_l() tells threadLoop_mix() the name of the single active track
1610 sp<Track> mActiveTrack;
Phil Burk43b4dcc2015-06-09 16:53:44 -07001611
1612 wp<Track> mPreviousTrack; // used to detect track switch
1613
Richard Folke Tullberg3fae0372017-01-13 09:04:25 +01001614 // This must be initialized for initial condition of mMasterBalance = 0 (disabled).
1615 float mMasterBalanceLeft = 1.f;
1616 float mMasterBalanceRight = 1.f;
1617
Eric Laurent81784c32012-11-19 14:55:58 -08001618public:
1619 virtual bool hasFastMixer() const { return false; }
Andy Hung10cbff12017-02-21 17:30:14 -08001620
1621 virtual int64_t computeWaitTimeNs_l() const override;
Andy Hungf3234512018-07-03 14:51:47 -07001622
1623 status_t threadloop_getHalTimestamp_l(ExtendedTimestamp *timestamp) const override {
1624 // For DIRECT and OFFLOAD threads, query the output sink directly.
1625 if (mOutput != nullptr) {
1626 uint64_t uposition64;
1627 struct timespec time;
1628 if (mOutput->getPresentationPosition(
1629 &uposition64, &time) == OK) {
1630 timestamp->mPosition[ExtendedTimestamp::LOCATION_KERNEL]
1631 = (int64_t)uposition64;
1632 timestamp->mTimeNs[ExtendedTimestamp::LOCATION_KERNEL]
1633 = audio_utils_ns_from_timespec(&time);
1634 return NO_ERROR;
1635 }
1636 }
1637 return INVALID_OPERATION;
1638 }
Eric Laurent81784c32012-11-19 14:55:58 -08001639};
1640
Eric Laurentbfb1b832013-01-07 09:53:42 -08001641class OffloadThread : public DirectOutputThread {
1642public:
1643
1644 OffloadThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output,
Gareth Fennb18c1a32022-10-05 13:42:36 -07001645 audio_io_handle_t id, bool systemReady,
1646 const audio_offload_info_t& offloadInfo);
Eric Laurent6a51d7e2013-10-17 18:59:26 -07001647 virtual ~OffloadThread() {};
ziyangch8f194f12021-12-01 13:48:04 -08001648 void flushHw_l() override;
Eric Laurentbfb1b832013-01-07 09:53:42 -08001649
1650protected:
1651 // threadLoop snippets
1652 virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove);
1653 virtual void threadLoop_exit();
Eric Laurentbfb1b832013-01-07 09:53:42 -08001654
1655 virtual bool waitingAsyncCallback();
1656 virtual bool waitingAsyncCallback_l();
Haynes Mathew George05317d22016-05-03 16:34:26 -07001657 virtual void invalidateTracks(audio_stream_type_t streamType);
Eric Laurentbfb1b832013-01-07 09:53:42 -08001658
Eric Laurentde0613d2016-07-22 18:19:11 -07001659 virtual bool keepWakeLock() const { return (mKeepWakeLock || (mDrainSequence & 1)); }
Eric Laurent64667972016-03-30 18:19:46 -07001660
Eric Laurentbfb1b832013-01-07 09:53:42 -08001661private:
Eric Laurentbfb1b832013-01-07 09:53:42 -08001662 size_t mPausedWriteLength; // length in bytes of write interrupted by pause
1663 size_t mPausedBytesRemaining; // bytes still waiting in mixbuffer after resume
Eric Laurent64667972016-03-30 18:19:46 -07001664 bool mKeepWakeLock; // keep wake lock while waiting for write callback
Eric Laurentbfb1b832013-01-07 09:53:42 -08001665};
1666
1667class AsyncCallbackThread : public Thread {
1668public:
1669
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -07001670 explicit AsyncCallbackThread(const wp<PlaybackThread>& playbackThread);
Eric Laurentbfb1b832013-01-07 09:53:42 -08001671
1672 virtual ~AsyncCallbackThread();
1673
1674 // Thread virtuals
1675 virtual bool threadLoop();
1676
1677 // RefBase
1678 virtual void onFirstRef();
1679
1680 void exit();
Eric Laurent3b4529e2013-09-05 18:09:19 -07001681 void setWriteBlocked(uint32_t sequence);
1682 void resetWriteBlocked();
1683 void setDraining(uint32_t sequence);
1684 void resetDraining();
Haynes Mathew George4527b9e2016-07-07 19:54:17 -07001685 void setAsyncError();
Eric Laurentbfb1b832013-01-07 09:53:42 -08001686
1687private:
Eric Laurent4de95592013-09-26 15:28:21 -07001688 const wp<PlaybackThread> mPlaybackThread;
Eric Laurent3b4529e2013-09-05 18:09:19 -07001689 // mWriteAckSequence corresponds to the last write sequence passed by the offload thread via
1690 // setWriteBlocked(). The sequence is shifted one bit to the left and the lsb is used
1691 // to indicate that the callback has been received via resetWriteBlocked()
Eric Laurent4de95592013-09-26 15:28:21 -07001692 uint32_t mWriteAckSequence;
Eric Laurent3b4529e2013-09-05 18:09:19 -07001693 // mDrainSequence corresponds to the last drain sequence passed by the offload thread via
1694 // setDraining(). The sequence is shifted one bit to the left and the lsb is used
1695 // to indicate that the callback has been received via resetDraining()
Eric Laurent4de95592013-09-26 15:28:21 -07001696 uint32_t mDrainSequence;
1697 Condition mWaitWorkCV;
1698 Mutex mLock;
Haynes Mathew George4527b9e2016-07-07 19:54:17 -07001699 bool mAsyncError;
Eric Laurentbfb1b832013-01-07 09:53:42 -08001700};
1701
Eric Laurent81784c32012-11-19 14:55:58 -08001702class DuplicatingThread : public MixerThread {
1703public:
1704 DuplicatingThread(const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread,
Eric Laurent72e3f392015-05-20 14:43:50 -07001705 audio_io_handle_t id, bool systemReady);
Eric Laurent81784c32012-11-19 14:55:58 -08001706 virtual ~DuplicatingThread();
1707
1708 // Thread virtuals
1709 void addOutputTrack(MixerThread* thread);
1710 void removeOutputTrack(MixerThread* thread);
1711 uint32_t waitTimeMs() const { return mWaitTimeMs; }
Kevin Rocard069c2712018-03-29 19:09:14 -07001712
Kevin Rocardc86a7f72018-04-03 09:00:09 -07001713 void sendMetadataToBackend_l(
1714 const StreamOutHalInterface::SourceMetadata& metadata) override;
Eric Laurent81784c32012-11-19 14:55:58 -08001715protected:
1716 virtual uint32_t activeSleepTimeUs() const;
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07001717 void dumpInternals_l(int fd, const Vector<String16>& args) override;
Eric Laurent81784c32012-11-19 14:55:58 -08001718
1719private:
1720 bool outputsReady(const SortedVector< sp<OutputTrack> > &outputTracks);
1721protected:
1722 // threadLoop snippets
1723 virtual void threadLoop_mix();
1724 virtual void threadLoop_sleepTime();
Eric Laurentbfb1b832013-01-07 09:53:42 -08001725 virtual ssize_t threadLoop_write();
Eric Laurent81784c32012-11-19 14:55:58 -08001726 virtual void threadLoop_standby();
1727 virtual void cacheParameters_l();
1728
1729private:
1730 // called from threadLoop, addOutputTrack, removeOutputTrack
1731 virtual void updateWaitTime_l();
1732protected:
1733 virtual void saveOutputTracks();
1734 virtual void clearOutputTracks();
1735private:
1736
1737 uint32_t mWaitTimeMs;
1738 SortedVector < sp<OutputTrack> > outputTracks;
1739 SortedVector < sp<OutputTrack> > mOutputTracks;
1740public:
1741 virtual bool hasFastMixer() const { return false; }
Andy Hung1c86ebe2018-05-29 20:29:08 -07001742 status_t threadloop_getHalTimestamp_l(
1743 ExtendedTimestamp *timestamp) const override {
1744 if (mOutputTracks.size() > 0) {
1745 // forward the first OutputTrack's kernel information for timestamp.
1746 const ExtendedTimestamp trackTimestamp =
1747 mOutputTracks[0]->getClientProxyTimestamp();
1748 if (trackTimestamp.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL] > 0) {
1749 timestamp->mTimeNs[ExtendedTimestamp::LOCATION_KERNEL] =
1750 trackTimestamp.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL];
1751 timestamp->mPosition[ExtendedTimestamp::LOCATION_KERNEL] =
1752 trackTimestamp.mPosition[ExtendedTimestamp::LOCATION_KERNEL];
1753 return OK; // discard server timestamp - that's ignored.
1754 }
1755 }
1756 return INVALID_OPERATION;
1757 }
Eric Laurent81784c32012-11-19 14:55:58 -08001758};
1759
Eric Laurent68a40a82022-05-03 18:15:04 +02001760class SpatializerThread : public MixerThread,
1761 public StreamOutHalInterfaceLatencyModeCallback {
Eric Laurentb3f315a2021-07-13 15:09:05 +02001762public:
Eric Laurentfa0f6742021-08-17 18:39:44 +02001763 SpatializerThread(const sp<AudioFlinger>& audioFlinger,
Eric Laurentb3f315a2021-07-13 15:09:05 +02001764 AudioStreamOut* output,
1765 audio_io_handle_t id,
1766 bool systemReady,
1767 audio_config_base_t *mixerConfig);
Eric Laurentfa0f6742021-08-17 18:39:44 +02001768 ~SpatializerThread() override {}
Eric Laurentb3f315a2021-07-13 15:09:05 +02001769
1770 bool hasFastMixer() const override { return false; }
1771
Eric Laurent68a40a82022-05-03 18:15:04 +02001772 status_t createAudioPatch_l(const struct audio_patch *patch,
1773 audio_patch_handle_t *handle) override;
1774
1775 // RefBase
1776 virtual void onFirstRef();
1777
1778 // StreamOutHalInterfaceLatencyModeCallback
1779 void onRecommendedLatencyModeChanged(std::vector<audio_latency_mode_t> modes) override;
1780
1781 status_t setRequestedLatencyMode(audio_latency_mode_t mode) override;
1782 status_t getSupportedLatencyModes(std::vector<audio_latency_mode_t>* modes) override;
1783
Eric Laurentb3f315a2021-07-13 15:09:05 +02001784protected:
1785 void checkOutputStageEffects() override;
Eric Laurent68a40a82022-05-03 18:15:04 +02001786 void onHalLatencyModesChanged_l() override;
1787 void setHalLatencyMode_l() override;
Eric Laurentb3f315a2021-07-13 15:09:05 +02001788
1789private:
Eric Laurent68a40a82022-05-03 18:15:04 +02001790 void updateHalSupportedLatencyModes_l();
1791
1792 // Support low latency mode by default as unless explicitly indicated by the audio HAL
1793 // we assume the audio path is compatible with the head tracking latency requirements
1794 std::vector<audio_latency_mode_t> mSupportedLatencyModes = {AUDIO_LATENCY_MODE_LOW};
1795 // default to invalid value to force first update to the audio HAL
1796 audio_latency_mode_t mSetLatencyMode =
1797 (audio_latency_mode_t)AUDIO_LATENCY_MODE_INVALID;
1798 // Do not request a specific mode by default
1799 audio_latency_mode_t mRequestedLatencyMode = AUDIO_LATENCY_MODE_FREE;
1800
Eric Laurentb3f315a2021-07-13 15:09:05 +02001801 sp<EffectHandle> mFinalDownMixer;
1802};
1803
Eric Laurent81784c32012-11-19 14:55:58 -08001804// record thread
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001805class RecordThread : public ThreadBase
Eric Laurent81784c32012-11-19 14:55:58 -08001806{
1807public:
1808
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001809 class RecordTrack;
Andy Hung73c02e42015-03-29 01:13:58 -07001810
1811 /* The ResamplerBufferProvider is used to retrieve recorded input data from the
1812 * RecordThread. It maintains local state on the relative position of the read
1813 * position of the RecordTrack compared with the RecordThread.
1814 */
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001815 class ResamplerBufferProvider : public AudioBufferProvider
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001816 {
1817 public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -07001818 explicit ResamplerBufferProvider(RecordTrack* recordTrack) :
Andy Hung73c02e42015-03-29 01:13:58 -07001819 mRecordTrack(recordTrack),
1820 mRsmpInUnrel(0), mRsmpInFront(0) { }
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001821 virtual ~ResamplerBufferProvider() { }
Andy Hung73c02e42015-03-29 01:13:58 -07001822
1823 // called to set the ResamplerBufferProvider to head of the RecordThread data buffer,
1824 // skipping any previous data read from the hal.
1825 virtual void reset();
1826
1827 /* Synchronizes RecordTrack position with the RecordThread.
1828 * Calculates available frames and handle overruns if the RecordThread
1829 * has advanced faster than the ResamplerBufferProvider has retrieved data.
1830 * TODO: why not do this for every getNextBuffer?
1831 *
1832 * Parameters
1833 * framesAvailable: pointer to optional output size_t to store record track
1834 * frames available.
1835 * hasOverrun: pointer to optional boolean, returns true if track has overrun.
1836 */
1837
1838 virtual void sync(size_t *framesAvailable = NULL, bool *hasOverrun = NULL);
1839
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001840 // AudioBufferProvider interface
Glenn Kastend79072e2016-01-06 08:41:20 -08001841 virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001842 virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
Eric Laurentec376dc2021-04-08 20:41:22 +02001843
1844 int32_t getFront() const { return mRsmpInFront; }
1845 void setFront(int32_t front) { mRsmpInFront = front; }
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001846 private:
1847 RecordTrack * const mRecordTrack;
Andy Hung73c02e42015-03-29 01:13:58 -07001848 size_t mRsmpInUnrel; // unreleased frames remaining from
1849 // most recent getNextBuffer
1850 // for debug only
1851 int32_t mRsmpInFront; // next available frame
1852 // rolling counter that is never cleared
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08001853 };
1854
Eric Laurent81784c32012-11-19 14:55:58 -08001855#include "RecordTracks.h"
1856
1857 RecordThread(const sp<AudioFlinger>& audioFlinger,
1858 AudioStreamIn *input,
Eric Laurent81784c32012-11-19 14:55:58 -08001859 audio_io_handle_t id,
Eric Laurent72e3f392015-05-20 14:43:50 -07001860 bool systemReady
Glenn Kasten46909e72013-02-26 09:20:22 -08001861 );
Eric Laurent81784c32012-11-19 14:55:58 -08001862 virtual ~RecordThread();
1863
1864 // no addTrack_l ?
1865 void destroyTrack_l(const sp<RecordTrack>& track);
1866 void removeTrack_l(const sp<RecordTrack>& track);
1867
Eric Laurent81784c32012-11-19 14:55:58 -08001868 // Thread virtuals
1869 virtual bool threadLoop();
Eric Laurent555530a2017-02-07 18:17:24 -08001870 virtual void preExit();
Eric Laurent81784c32012-11-19 14:55:58 -08001871
1872 // RefBase
1873 virtual void onFirstRef();
1874
1875 virtual status_t initCheck() const { return (mInput == NULL) ? NO_INIT : NO_ERROR; }
Glenn Kastene198c362013-08-13 09:13:36 -07001876
Glenn Kastenb880f5e2014-05-07 08:43:45 -07001877 virtual sp<MemoryDealer> readOnlyHeap() const { return mReadOnlyHeap; }
1878
Glenn Kasten6dbb5e32014-05-13 10:38:42 -07001879 virtual sp<IMemory> pipeMemory() const { return mPipeMemory; }
1880
Eric Laurent81784c32012-11-19 14:55:58 -08001881 sp<AudioFlinger::RecordThread::RecordTrack> createRecordTrack_l(
1882 const sp<AudioFlinger::Client>& client,
Kevin Rocard1f564ac2018-03-29 13:53:10 -07001883 const audio_attributes_t& attr,
Eric Laurentf14db3c2017-12-08 14:20:36 -08001884 uint32_t *pSampleRate,
Eric Laurent81784c32012-11-19 14:55:58 -08001885 audio_format_t format,
1886 audio_channel_mask_t channelMask,
Glenn Kasten74935e42013-12-19 08:56:45 -08001887 size_t *pFrameCount,
Glenn Kastend848eb42016-03-08 13:42:11 -08001888 audio_session_t sessionId,
Eric Laurentf14db3c2017-12-08 14:20:36 -08001889 size_t *pNotificationFrameCount,
Eric Laurent09f1ed22019-04-24 17:45:17 -07001890 pid_t creatorPid,
Svet Ganov33761132021-05-13 22:51:08 +00001891 const AttributionSourceState& attributionSource,
Eric Laurent05067782016-06-01 18:27:28 -07001892 audio_input_flags_t *flags,
Eric Laurent81784c32012-11-19 14:55:58 -08001893 pid_t tid,
Eric Laurent20b9ef02016-12-05 11:03:16 -08001894 status_t *status /*non-NULL*/,
Eric Laurentec376dc2021-04-08 20:41:22 +02001895 audio_port_handle_t portId,
1896 int32_t maxSharedAudioHistoryMs);
Eric Laurent81784c32012-11-19 14:55:58 -08001897
1898 status_t start(RecordTrack* recordTrack,
1899 AudioSystem::sync_event_t event,
Glenn Kastend848eb42016-03-08 13:42:11 -08001900 audio_session_t triggerSession);
Eric Laurent81784c32012-11-19 14:55:58 -08001901
1902 // ask the thread to stop the specified track, and
1903 // return true if the caller should then do it's part of the stopping process
Glenn Kastena8356f62013-07-25 14:37:52 -07001904 bool stop(RecordTrack* recordTrack);
Eric Laurent81784c32012-11-19 14:55:58 -08001905
Eric Laurent81784c32012-11-19 14:55:58 -08001906 AudioStreamIn* clearInput();
Mikhail Naganov1dc98672016-08-18 17:50:29 -07001907 virtual sp<StreamHalInterface> stream() const;
Eric Laurent81784c32012-11-19 14:55:58 -08001908
Eric Laurent81784c32012-11-19 14:55:58 -08001909
Eric Laurent10351942014-05-08 18:49:52 -07001910 virtual bool checkForNewParameter_l(const String8& keyValuePair,
1911 status_t& status);
1912 virtual void cacheParameters_l() {}
Eric Laurent81784c32012-11-19 14:55:58 -08001913 virtual String8 getParameters(const String8& keys);
Mikhail Naganov88536df2021-07-26 17:30:29 -07001914 virtual void ioConfigChanged(audio_io_config_event_t event, pid_t pid = 0,
Eric Laurent09f1ed22019-04-24 17:45:17 -07001915 audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE);
Eric Laurent1c333e22014-05-20 10:48:17 -07001916 virtual status_t createAudioPatch_l(const struct audio_patch *patch,
1917 audio_patch_handle_t *handle);
1918 virtual status_t releaseAudioPatch_l(const audio_patch_handle_t handle);
jiabinc52b1ff2019-10-31 17:20:42 -07001919 void updateOutDevices(const DeviceDescriptorBaseVector& outDevices) override;
Eric Laurent5f0fd7b2021-05-07 16:33:26 +02001920 void resizeInputBuffer_l(int32_t maxSharedAudioHistoryMs) override;
Eric Laurent83b88082014-06-20 18:31:16 -07001921
Mikhail Naganov444ecc32018-05-01 17:40:05 -07001922 void addPatchTrack(const sp<PatchRecord>& record);
1923 void deletePatchTrack(const sp<PatchRecord>& record);
Eric Laurent83b88082014-06-20 18:31:16 -07001924
Glenn Kastendeca2ae2014-02-07 10:25:56 -08001925 void readInputParameters_l();
Glenn Kasten5f972c02014-01-13 09:59:31 -08001926 virtual uint32_t getInputFramesLost();
Eric Laurent81784c32012-11-19 14:55:58 -08001927
1928 virtual status_t addEffectChain_l(const sp<EffectChain>& chain);
1929 virtual size_t removeEffectChain_l(const sp<EffectChain>& chain);
Andy Hungc3d62f92019-03-14 13:38:51 -07001930 uint32_t hasAudioSession_l(audio_session_t sessionId) const override {
1931 return ThreadBase::hasAudioSession_l(sessionId, mTracks);
1932 }
Eric Laurent81784c32012-11-19 14:55:58 -08001933
1934 // Return the set of unique session IDs across all tracks.
1935 // The keys are the session IDs, and the associated values are meaningless.
1936 // FIXME replace by Set [and implement Bag/Multiset for other uses].
Glenn Kastend848eb42016-03-08 13:42:11 -08001937 KeyedVector<audio_session_t, bool> sessionIds() const;
Eric Laurent81784c32012-11-19 14:55:58 -08001938
1939 virtual status_t setSyncEvent(const sp<SyncEvent>& event);
1940 virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const;
1941
1942 static void syncStartEventCallback(const wp<SyncEvent>& event);
Eric Laurent81784c32012-11-19 14:55:58 -08001943
Glenn Kasten9b58f632013-07-16 11:37:48 -07001944 virtual size_t frameCount() const { return mFrameCount; }
Glenn Kasten6dbb5e32014-05-13 10:38:42 -07001945 bool hasFastCapture() const { return mFastCapture != 0; }
Mikhail Naganovdc769682018-05-04 15:34:08 -07001946 virtual void toAudioPortConfig(struct audio_port_config *config);
Glenn Kasten9b58f632013-07-16 11:37:48 -07001947
Eric Laurent4c415062016-06-17 16:14:16 -07001948 virtual status_t checkEffectCompatibility_l(const effect_descriptor_t *desc,
1949 audio_session_t sessionId);
1950
Andy Hungdae27702016-10-31 14:01:16 -07001951 virtual void acquireWakeLock_l() {
1952 ThreadBase::acquireWakeLock_l();
1953 mActiveTracks.updatePowerState(this, true /* force */);
1954 }
1955
Eric Laurentd8365c52017-07-16 15:27:05 -07001956 void checkBtNrec();
1957
Svet Ganovf4ddfef2018-01-16 07:37:58 -08001958 // Sets the UID records silence
Eric Laurent5ada82e2019-08-29 17:53:54 -07001959 void setRecordSilenced(audio_port_handle_t portId, bool silenced);
Svet Ganovf4ddfef2018-01-16 07:37:58 -08001960
jiabin653cc0a2018-01-17 17:54:10 -08001961 status_t getActiveMicrophones(std::vector<media::MicrophoneInfo>* activeMicrophones);
1962
Paul McLean12340082019-03-19 09:35:05 -06001963 status_t setPreferredMicrophoneDirection(audio_microphone_direction_t direction);
1964 status_t setPreferredMicrophoneFieldDimension(float zoom);
Paul McLean03a6e6a2018-12-04 10:54:13 -07001965
Kevin Rocard069c2712018-03-29 19:09:14 -07001966 void updateMetadata_l() override;
1967
jiabin01c8f562018-07-19 17:47:28 -07001968 bool fastTrackAvailable() const { return mFastTrackAvail; }
1969
Andy Hungc8fddf32018-08-08 18:32:37 -07001970 bool isTimestampCorrectionEnabled() const override {
1971 // checks popcount for exactly one device.
Atneya Nair497fff12022-01-18 16:23:04 -05001972 // Is currently disabled. Before enabling,
1973 // verify compressed record timestamps.
jiabinc52b1ff2019-10-31 17:20:42 -07001974 return audio_is_input_device(mTimestampCorrectedDevice)
1975 && inDeviceType() == mTimestampCorrectedDevice;
Andy Hungc8fddf32018-08-08 18:32:37 -07001976 }
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07001977
Eric Laurentec376dc2021-04-08 20:41:22 +02001978 status_t shareAudioHistory(const std::string& sharedAudioPackageName,
1979 audio_session_t sharedSessionId = AUDIO_SESSION_NONE,
1980 int64_t sharedAudioStartMs = -1);
1981 status_t shareAudioHistory_l(const std::string& sharedAudioPackageName,
1982 audio_session_t sharedSessionId = AUDIO_SESSION_NONE,
1983 int64_t sharedAudioStartMs = -1);
Eric Laurent92d0a322021-07-16 15:32:33 +02001984 void resetAudioHistory_l();
Eric Laurentec376dc2021-04-08 20:41:22 +02001985
Jasmine Chaeaa10e42021-05-11 10:11:14 +08001986 virtual bool isStreamInitialized() {
1987 return !(mInput == nullptr || mInput->stream == nullptr);
1988 }
1989
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07001990protected:
1991 void dumpInternals_l(int fd, const Vector<String16>& args) override;
1992 void dumpTracks_l(int fd, const Vector<String16>& args) override;
1993
Eric Laurent81784c32012-11-19 14:55:58 -08001994private:
Eric Laurent81784c32012-11-19 14:55:58 -08001995 // Enter standby if not already in standby, and set mStandby flag
Glenn Kasten93e471f2013-08-19 08:40:07 -07001996 void standbyIfNotAlreadyInStandby();
Eric Laurent81784c32012-11-19 14:55:58 -08001997
1998 // Call the HAL standby method unconditionally, and don't change mStandby flag
Glenn Kastene198c362013-08-13 09:13:36 -07001999 void inputStandBy();
Eric Laurent81784c32012-11-19 14:55:58 -08002000
Eric Laurentd8365c52017-07-16 15:27:05 -07002001 void checkBtNrec_l();
2002
Eric Laurentec376dc2021-04-08 20:41:22 +02002003 int32_t getOldestFront_l();
2004 void updateFronts_l(int32_t offset);
2005
Eric Laurent81784c32012-11-19 14:55:58 -08002006 AudioStreamIn *mInput;
Mikhail Naganov2534b382019-09-25 13:05:02 -07002007 Source *mSource;
Eric Laurent81784c32012-11-19 14:55:58 -08002008 SortedVector < sp<RecordTrack> > mTracks;
Glenn Kasten2b806402013-11-20 16:37:38 -08002009 // mActiveTracks has dual roles: it indicates the current active track(s), and
Eric Laurent81784c32012-11-19 14:55:58 -08002010 // is used together with mStartStopCond to indicate start()/stop() progress
Andy Hungdae27702016-10-31 14:01:16 -07002011 ActiveTracks<RecordTrack> mActiveTracks;
2012
Eric Laurent81784c32012-11-19 14:55:58 -08002013 Condition mStartStopCond;
Glenn Kasten9b58f632013-07-16 11:37:48 -07002014
Glenn Kasten85948432013-08-19 12:09:05 -07002015 // resampler converts input at HAL Hz to output at AudioRecord client Hz
Glenn Kasten1b291842016-07-18 14:55:21 -07002016 void *mRsmpInBuffer; // size = mRsmpInFramesOA
Glenn Kasten85948432013-08-19 12:09:05 -07002017 size_t mRsmpInFrames; // size of resampler input in frames
2018 size_t mRsmpInFramesP2;// size rounded up to a power-of-2
Glenn Kasten1b291842016-07-18 14:55:21 -07002019 size_t mRsmpInFramesOA;// mRsmpInFramesP2 + over-allocation
Glenn Kasten6dd62fb2013-12-05 16:35:58 -08002020
2021 // rolling index that is never cleared
Glenn Kasten85948432013-08-19 12:09:05 -07002022 int32_t mRsmpInRear; // last filled frame + 1
Glenn Kasten85948432013-08-19 12:09:05 -07002023
Eric Laurent81784c32012-11-19 14:55:58 -08002024 // For dumpsys
Glenn Kastenb880f5e2014-05-07 08:43:45 -07002025 const sp<MemoryDealer> mReadOnlyHeap;
Glenn Kasten6dbb5e32014-05-13 10:38:42 -07002026
2027 // one-time initialization, no locks required
Glenn Kastenb187de12014-12-30 08:18:15 -08002028 sp<FastCapture> mFastCapture; // non-0 if there is also
2029 // a fast capture
Eric Laurent72e3f392015-05-20 14:43:50 -07002030
Glenn Kasten6dbb5e32014-05-13 10:38:42 -07002031 // FIXME audio watchdog thread
2032
2033 // contents are not guaranteed to be consistent, no locks required
2034 FastCaptureDumpState mFastCaptureDumpState;
2035#ifdef STATE_QUEUE_DUMP
2036 // FIXME StateQueue observer and mutator dump fields
2037#endif
2038 // FIXME audio watchdog dump
2039
2040 // accessible only within the threadLoop(), no locks required
2041 // mFastCapture->sq() // for mutating and pushing state
2042 int32_t mFastCaptureFutex; // for cold idle
2043
2044 // The HAL input source is treated as non-blocking,
2045 // but current implementation is blocking
2046 sp<NBAIO_Source> mInputSource;
2047 // The source for the normal capture thread to read from: mInputSource or mPipeSource
2048 sp<NBAIO_Source> mNormalSource;
2049 // If a fast capture is present, the non-blocking pipe sink written to by fast capture,
2050 // otherwise clear
2051 sp<NBAIO_Sink> mPipeSink;
2052 // If a fast capture is present, the non-blocking pipe source read by normal thread,
2053 // otherwise clear
2054 sp<NBAIO_Source> mPipeSource;
2055 // Depth of pipe from fast capture to normal thread and fast clients, always power of 2
2056 size_t mPipeFramesP2;
2057 // If a fast capture is present, the Pipe as IMemory, otherwise clear
2058 sp<IMemory> mPipeMemory;
2059
Sanna Catherine de Treville Wager2a6a9452017-07-28 11:02:01 -07002060 // TODO: add comment and adjust size as needed
Glenn Kasten6dbb5e32014-05-13 10:38:42 -07002061 static const size_t kFastCaptureLogSize = 4 * 1024;
2062 sp<NBLog::Writer> mFastCaptureNBLogWriter;
2063
2064 bool mFastTrackAvail; // true if fast track available
Eric Laurentd8365c52017-07-16 15:27:05 -07002065 // common state to all record threads
2066 std::atomic_bool mBtNrecSuspended;
Andy Hung6427e442018-08-09 12:51:02 -07002067
2068 int64_t mFramesRead = 0; // continuous running counter.
jiabinc52b1ff2019-10-31 17:20:42 -07002069
2070 DeviceDescriptorBaseVector mOutDevices;
Eric Laurentec376dc2021-04-08 20:41:22 +02002071
Eric Laurent5f0fd7b2021-05-07 16:33:26 +02002072 int32_t mMaxSharedAudioHistoryMs = 0;
Eric Laurentec376dc2021-04-08 20:41:22 +02002073 std::string mSharedAudioPackageName = {};
Eric Laurent2407ce32021-04-26 14:56:03 +02002074 int32_t mSharedAudioStartFrames = -1;
Eric Laurentec376dc2021-04-08 20:41:22 +02002075 audio_session_t mSharedAudioSessionId = AUDIO_SESSION_NONE;
Eric Laurent81784c32012-11-19 14:55:58 -08002076};
Eric Laurent6acd1d42017-01-04 14:23:29 -08002077
2078class MmapThread : public ThreadBase
2079{
2080 public:
2081
2082#include "MmapTracks.h"
2083
2084 MmapThread(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id,
Andy Hungcf10d742020-04-28 15:38:24 -07002085 AudioHwDevice *hwDev, sp<StreamHalInterface> stream, bool systemReady,
2086 bool isOut);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002087 virtual ~MmapThread();
2088
2089 virtual void configure(const audio_attributes_t *attr,
2090 audio_stream_type_t streamType,
2091 audio_session_t sessionId,
2092 const sp<MmapStreamCallback>& callback,
Eric Laurent7aa0ccb2017-08-28 11:12:52 -07002093 audio_port_handle_t deviceId,
Eric Laurent6acd1d42017-01-04 14:23:29 -08002094 audio_port_handle_t portId);
2095
2096 void disconnect();
2097
2098 // MmapStreamInterface
2099 status_t createMmapBuffer(int32_t minSizeFrames,
2100 struct audio_mmap_buffer_info *info);
2101 status_t getMmapPosition(struct audio_mmap_position *position);
jiabind1f1cb62020-03-24 11:57:57 -07002102 status_t start(const AudioClient& client,
2103 const audio_attributes_t *attr,
2104 audio_port_handle_t *handle);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002105 status_t stop(audio_port_handle_t handle);
Eric Laurent18b57012017-02-13 16:23:52 -08002106 status_t standby();
jiabinb7d8c5a2020-08-26 17:24:52 -07002107 virtual status_t getExternalPosition(uint64_t *position, int64_t *timeNaos) = 0;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002108
2109 // RefBase
2110 virtual void onFirstRef();
2111
2112 // Thread virtuals
2113 virtual bool threadLoop();
2114
2115 virtual void threadLoop_exit();
2116 virtual void threadLoop_standby();
Eric Laurent18b57012017-02-13 16:23:52 -08002117 virtual bool shouldStandby_l() { return false; }
Eric Laurentdda206a2022-07-08 17:28:35 +02002118 virtual status_t exitStandby_l() REQUIRES(mLock);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002119
2120 virtual status_t initCheck() const { return (mHalStream == 0) ? NO_INIT : NO_ERROR; }
2121 virtual size_t frameCount() const { return mFrameCount; }
2122 virtual bool checkForNewParameter_l(const String8& keyValuePair,
2123 status_t& status);
2124 virtual String8 getParameters(const String8& keys);
Mikhail Naganov88536df2021-07-26 17:30:29 -07002125 virtual void ioConfigChanged(audio_io_config_event_t event, pid_t pid = 0,
Eric Laurent09f1ed22019-04-24 17:45:17 -07002126 audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002127 void readHalParameters_l();
2128 virtual void cacheParameters_l() {}
2129 virtual status_t createAudioPatch_l(const struct audio_patch *patch,
2130 audio_patch_handle_t *handle);
2131 virtual status_t releaseAudioPatch_l(const audio_patch_handle_t handle);
Mikhail Naganovdc769682018-05-04 15:34:08 -07002132 virtual void toAudioPortConfig(struct audio_port_config *config);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002133
2134 virtual sp<StreamHalInterface> stream() const { return mHalStream; }
2135 virtual status_t addEffectChain_l(const sp<EffectChain>& chain);
2136 virtual size_t removeEffectChain_l(const sp<EffectChain>& chain);
2137 virtual status_t checkEffectCompatibility_l(const effect_descriptor_t *desc,
2138 audio_session_t sessionId);
2139
Andy Hungc3d62f92019-03-14 13:38:51 -07002140 uint32_t hasAudioSession_l(audio_session_t sessionId) const override {
2141 // Note: using mActiveTracks as no mTracks here.
2142 return ThreadBase::hasAudioSession_l(sessionId, mActiveTracks);
2143 }
Eric Laurent6acd1d42017-01-04 14:23:29 -08002144 virtual status_t setSyncEvent(const sp<SyncEvent>& event);
2145 virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const;
2146
2147 virtual void checkSilentMode_l() {}
2148 virtual void processVolume_l() {}
2149 void checkInvalidTracks_l();
2150
2151 virtual audio_stream_type_t streamType() { return AUDIO_STREAM_DEFAULT; }
2152
2153 virtual void invalidateTracks(audio_stream_type_t streamType __unused) {}
2154
Eric Laurent331679c2018-04-16 17:03:16 -07002155 // Sets the UID records silence
Eric Laurent5ada82e2019-08-29 17:53:54 -07002156 virtual void setRecordSilenced(audio_port_handle_t portId __unused,
2157 bool silenced __unused) {}
Eric Laurent331679c2018-04-16 17:03:16 -07002158
Jasmine Chaeaa10e42021-05-11 10:11:14 +08002159 virtual bool isStreamInitialized() { return false; }
2160
jiabin09609032022-06-15 19:26:01 +00002161 void setClientSilencedState_l(audio_port_handle_t portId, bool silenced) {
2162 mClientSilencedStates[portId] = silenced;
2163 }
2164
2165 size_t eraseClientSilencedState_l(audio_port_handle_t portId) {
2166 return mClientSilencedStates.erase(portId);
2167 }
2168
2169 bool isClientSilenced_l(audio_port_handle_t portId) const {
2170 const auto it = mClientSilencedStates.find(portId);
2171 return it != mClientSilencedStates.end() ? it->second : false;
2172 }
2173
2174 void setClientSilencedIfExists_l(audio_port_handle_t portId, bool silenced) {
2175 const auto it = mClientSilencedStates.find(portId);
2176 if (it != mClientSilencedStates.end()) {
2177 it->second = silenced;
2178 }
2179 }
2180
Eric Laurent6acd1d42017-01-04 14:23:29 -08002181 protected:
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07002182 void dumpInternals_l(int fd, const Vector<String16>& args) override;
2183 void dumpTracks_l(int fd, const Vector<String16>& args) override;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002184
jiabinc52b1ff2019-10-31 17:20:42 -07002185 /**
2186 * @brief mDeviceId current device port unique identifier
2187 */
2188 audio_port_handle_t mDeviceId = AUDIO_PORT_HANDLE_NONE;
2189
Eric Laurent6acd1d42017-01-04 14:23:29 -08002190 audio_attributes_t mAttr;
2191 audio_session_t mSessionId;
2192 audio_port_handle_t mPortId;
2193
Phil Burk7f6b40d2017-02-09 13:18:38 -08002194 wp<MmapStreamCallback> mCallback;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002195 sp<StreamHalInterface> mHalStream;
2196 sp<DeviceHalInterface> mHalDevice;
2197 AudioHwDevice* const mAudioHwDev;
2198 ActiveTracks<MmapTrack> mActiveTracks;
Eric Laurent67f97292018-04-20 18:05:41 -07002199 float mHalVolFloat;
jiabin09609032022-06-15 19:26:01 +00002200 std::map<audio_port_handle_t, bool> mClientSilencedStates;
Eric Laurent331679c2018-04-16 17:03:16 -07002201
2202 int32_t mNoCallbackWarningCount;
2203 static constexpr int32_t kMaxNoCallbackWarnings = 5;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002204};
2205
2206class MmapPlaybackThread : public MmapThread, public VolumeInterface
2207{
2208
2209public:
2210 MmapPlaybackThread(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id,
jiabinc52b1ff2019-10-31 17:20:42 -07002211 AudioHwDevice *hwDev, AudioStreamOut *output, bool systemReady);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002212 virtual ~MmapPlaybackThread() {}
2213
2214 virtual void configure(const audio_attributes_t *attr,
2215 audio_stream_type_t streamType,
2216 audio_session_t sessionId,
2217 const sp<MmapStreamCallback>& callback,
Eric Laurent7aa0ccb2017-08-28 11:12:52 -07002218 audio_port_handle_t deviceId,
Eric Laurent6acd1d42017-01-04 14:23:29 -08002219 audio_port_handle_t portId);
2220
2221 AudioStreamOut* clearOutput();
2222
2223 // VolumeInterface
2224 virtual void setMasterVolume(float value);
2225 virtual void setMasterMute(bool muted);
2226 virtual void setStreamVolume(audio_stream_type_t stream, float value);
2227 virtual void setStreamMute(audio_stream_type_t stream, bool muted);
2228 virtual float streamVolume(audio_stream_type_t stream) const;
2229
2230 void setMasterMute_l(bool muted) { mMasterMute = muted; }
2231
2232 virtual void invalidateTracks(audio_stream_type_t streamType);
2233
2234 virtual audio_stream_type_t streamType() { return mStreamType; }
2235 virtual void checkSilentMode_l();
Eric Laurent331679c2018-04-16 17:03:16 -07002236 void processVolume_l() override;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002237
Kevin Rocard069c2712018-03-29 19:09:14 -07002238 void updateMetadata_l() override;
2239
Mikhail Naganov32abc2b2018-05-24 12:57:11 -07002240 virtual void toAudioPortConfig(struct audio_port_config *config);
2241
jiabinb7d8c5a2020-08-26 17:24:52 -07002242 status_t getExternalPosition(uint64_t *position, int64_t *timeNanos) override;
2243
Jasmine Chaeaa10e42021-05-11 10:11:14 +08002244 virtual bool isStreamInitialized() {
2245 return !(mOutput == nullptr || mOutput->stream == nullptr);
2246 }
2247
Eric Laurent6acd1d42017-01-04 14:23:29 -08002248protected:
Mikhail Naganov01dc5ca2019-03-29 10:12:12 -07002249 void dumpInternals_l(int fd, const Vector<String16>& args) override;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002250
2251 audio_stream_type_t mStreamType;
2252 float mMasterVolume;
2253 float mStreamVolume;
2254 bool mMasterMute;
2255 bool mStreamMute;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002256 AudioStreamOut* mOutput;
2257};
2258
2259class MmapCaptureThread : public MmapThread
2260{
2261
2262public:
2263 MmapCaptureThread(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id,
jiabinc52b1ff2019-10-31 17:20:42 -07002264 AudioHwDevice *hwDev, AudioStreamIn *input, bool systemReady);
Eric Laurent6acd1d42017-01-04 14:23:29 -08002265 virtual ~MmapCaptureThread() {}
2266
2267 AudioStreamIn* clearInput();
2268
Eric Laurentdda206a2022-07-08 17:28:35 +02002269 status_t exitStandby_l() REQUIRES(mLock) override;
Eric Laurent6acd1d42017-01-04 14:23:29 -08002270
Kevin Rocard069c2712018-03-29 19:09:14 -07002271 void updateMetadata_l() override;
Eric Laurent331679c2018-04-16 17:03:16 -07002272 void processVolume_l() override;
Eric Laurent5ada82e2019-08-29 17:53:54 -07002273 void setRecordSilenced(audio_port_handle_t portId,
2274 bool silenced) override;
Kevin Rocard069c2712018-03-29 19:09:14 -07002275
Mikhail Naganov32abc2b2018-05-24 12:57:11 -07002276 virtual void toAudioPortConfig(struct audio_port_config *config);
2277
jiabinb7d8c5a2020-08-26 17:24:52 -07002278 status_t getExternalPosition(uint64_t *position, int64_t *timeNanos) override;
2279
Jasmine Chaeaa10e42021-05-11 10:11:14 +08002280 virtual bool isStreamInitialized() {
2281 return !(mInput == nullptr || mInput->stream == nullptr);
2282 }
2283
Eric Laurent6acd1d42017-01-04 14:23:29 -08002284protected:
2285
2286 AudioStreamIn* mInput;
2287};
jiabinc658e452022-10-21 20:52:21 +00002288
2289class BitPerfectThread : public MixerThread {
2290public:
2291 BitPerfectThread(const sp<AudioFlinger>& audioflinger, AudioStreamOut *output,
2292 audio_io_handle_t id, bool systemReady);
2293
2294protected:
2295 mixer_state prepareTracks_l(Vector<sp<Track>> *tracksToRemove) override;
2296 void threadLoop_mix() override;
2297
2298private:
2299 bool mIsBitPerfect;
2300};