Threads.h revision 021cf9634ab09c0753a40b7c9ef4ba603be5c3da
181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent/* 281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** 381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** Copyright 2012, The Android Open Source Project 481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** 581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** Licensed under the Apache License, Version 2.0 (the "License"); 681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** you may not use this file except in compliance with the License. 781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** You may obtain a copy of the License at 881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** 981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** http://www.apache.org/licenses/LICENSE-2.0 1081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** 1181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** Unless required by applicable law or agreed to in writing, software 1281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** distributed under the License is distributed on an "AS IS" BASIS, 1381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** See the License for the specific language governing permissions and 1581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent** limitations under the License. 1681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent*/ 1781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 1881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#ifndef INCLUDING_FROM_AUDIOFLINGER_H 1981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent #error This header file should only be included from AudioFlinger.h 2081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#endif 2181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 2281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass ThreadBase : public Thread { 2381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 2481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 2581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "TrackBase.h" 2681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 2781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum type_t { 2881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER, // Thread class is MixerThread 2981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DIRECT, // Thread class is DirectOutputThread 3081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DUPLICATING, // Thread class is DuplicatingThread 31bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent RECORD, // Thread class is RecordThread 32bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent OFFLOAD // Thread class is OffloadThread 3381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 3481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 3581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ThreadBase(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id, 3681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t outDevice, audio_devices_t inDevice, type_t type); 3781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~ThreadBase(); 3881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 39cf04c2cb8e031acc03c1c91cb1ccab15098c89b6Glenn Kasten virtual status_t readyToRun(); 40cf04c2cb8e031acc03c1c91cb1ccab15098c89b6Glenn Kasten 4181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpBase(int fd, const Vector<String16>& args); 4281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpEffectChains(int fd, const Vector<String16>& args); 4381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 4481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void clearPowerManager(); 4581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 4681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // base for record and playback 4781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum { 4881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent CFG_EVENT_IO, 491035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent CFG_EVENT_PRIO, 501035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent CFG_EVENT_SET_PARAMETER, 5181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 5281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 531035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class ConfigEventData: public RefBase { 541035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent public: 551035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual ~ConfigEventData() {} 561035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 571035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual void dump(char *buffer, size_t size) = 0; 581035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent protected: 591035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent ConfigEventData() {} 601035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent }; 611035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 621035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // Config event sequence by client if status needed (e.g binder thread calling setParameters()): 631035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 1. create SetParameterConfigEvent. This sets mWaitStatus in config event 641035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 2. Lock mLock 651035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 3. Call sendConfigEvent_l(): Append to mConfigEvents and mWaitWorkCV.signal 661035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 4. sendConfigEvent_l() reads status from event->mStatus; 671035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 5. sendConfigEvent_l() returns status 681035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 6. Unlock 691035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 701035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // Parameter sequence by server: threadLoop calling processConfigEvents_l(): 711035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 1. Lock mLock 721035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 2. If there is an entry in mConfigEvents proceed ... 731035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 3. Read first entry in mConfigEvents 741035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 4. Remove first entry from mConfigEvents 751035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 5. Process 761035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 6. Set event->mStatus 771035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 7. event->mCond.signal 781035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // 8. Unlock 791035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 801035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class ConfigEvent: public RefBase { 8181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 8281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~ConfigEvent() {} 8381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 841035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent void dump(char *buffer, size_t size) { mData->dump(buffer, size); } 8581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 861035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent const int mType; // event type e.g. CFG_EVENT_IO 871035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent Mutex mLock; // mutex associated with mCond 881035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent Condition mCond; // condition for status return 891035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t mStatus; // status communicated to sender 901035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent bool mWaitStatus; // true if sender is waiting for status 911035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent sp<ConfigEventData> mData; // event specific parameter data 9281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 931035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent protected: 941035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent ConfigEvent(int type) : mType(type), mStatus(NO_ERROR), mWaitStatus(false), mData(NULL) {} 9581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 9681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 971035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class IoConfigEventData : public ConfigEventData { 9881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 991035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent IoConfigEventData(int event, int param) : 1001035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mEvent(event), mParam(param) {} 10181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) { 10381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent snprintf(buffer, size, "IO event: event %d, param %d\n", mEvent, mParam); 10481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 10581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mEvent; 10781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mParam; 10881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 10981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 1101035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class IoConfigEvent : public ConfigEvent { 11181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 1121035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent IoConfigEvent(int event, int param) : 1131035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent ConfigEvent(CFG_EVENT_IO) { 1141035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mData = new IoConfigEventData(event, param); 1151035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent } 1161035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual ~IoConfigEvent() {} 1171035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent }; 11881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 1191035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class PrioConfigEventData : public ConfigEventData { 1201035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent public: 1211035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent PrioConfigEventData(pid_t pid, pid_t tid, int32_t prio) : 1221035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mPid(pid), mTid(tid), mPrio(prio) {} 12381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 12481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) { 12581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent snprintf(buffer, size, "Prio event: pid %d, tid %d, prio %d\n", mPid, mTid, mPrio); 12681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 12781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 12881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const pid_t mPid; 12981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const pid_t mTid; 13081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int32_t mPrio; 13181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 13281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 1331035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class PrioConfigEvent : public ConfigEvent { 1341035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent public: 1351035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent PrioConfigEvent(pid_t pid, pid_t tid, int32_t prio) : 1361035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent ConfigEvent(CFG_EVENT_PRIO) { 1371035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mData = new PrioConfigEventData(pid, tid, prio); 1381035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent } 1391035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual ~PrioConfigEvent() {} 1401035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent }; 1411035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 1421035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class SetParameterConfigEventData : public ConfigEventData { 1431035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent public: 1441035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent SetParameterConfigEventData(String8 keyValuePairs) : 1451035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mKeyValuePairs(keyValuePairs) {} 1461035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 1471035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual void dump(char *buffer, size_t size) { 1481035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent snprintf(buffer, size, "KeyValue: %s\n", mKeyValuePairs.string()); 1491035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent } 1501035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 1511035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent const String8 mKeyValuePairs; 1521035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent }; 1531035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 1541035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent class SetParameterConfigEvent : public ConfigEvent { 1551035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent public: 1561035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent SetParameterConfigEvent(String8 keyValuePairs) : 1571035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent ConfigEvent(CFG_EVENT_SET_PARAMETER) { 1581035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mData = new SetParameterConfigEventData(keyValuePairs); 1591035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent mWaitStatus = true; 1601035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent } 1611035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual ~SetParameterConfigEvent() {} 1621035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent }; 1631035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent 16481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 16581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class PMDeathRecipient : public IBinder::DeathRecipient { 16681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 16781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient(const wp<ThreadBase>& thread) : mThread(thread) {} 16881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PMDeathRecipient() {} 16981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 17081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // IBinder::DeathRecipient 17181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void binderDied(const wp<IBinder>& who); 17281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 17381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 17481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient(const PMDeathRecipient&); 17581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient& operator = (const PMDeathRecipient&); 17681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 17781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent wp<ThreadBase> mThread; 17881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 17981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 18081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const = 0; 18181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 18281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // static externally-visible 18381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent type_t type() const { return mType; } 18481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id() const { return mId;} 18581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 18681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // dynamic externally-visible 18781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate() const { return mSampleRate; } 18881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t channelCount() const { return mChannelCount; } 18981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask() const { return mChannelMask; } 19081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format() const { return mFormat; } 19181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Called by AudioFlinger::frameCount(audio_io_handle_t output) and effects, 1929b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten // and returns the [normal mix] buffer's frame count. 1939b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten virtual size_t frameCount() const = 0; 194bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t frameSize() const { return mFrameSize; } 19581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 19681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Should be "virtual status_t requestExitAndWait()" and override same 19781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // method in Thread, but Thread::requestExitAndWait() is not yet virtual. 19881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void exit(); 1991035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual bool checkForNewParameter_l(const String8& keyValuePair, 2001035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t& status) = 0; 20181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setParameters(const String8& keyValuePairs); 20281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys) = 0; 203021cf9634ab09c0753a40b7c9ef4ba603be5c3daEric Laurent virtual void audioConfigChanged(int event, int param = 0) = 0; 2041035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // sendConfigEvent_l() must be called with ThreadBase::mLock held 2051035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // Can temporarily release the lock if waiting for a reply from 2061035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent // processConfigEvents_l(). 2071035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t sendConfigEvent_l(sp<ConfigEvent>& event); 20881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendIoConfigEvent(int event, int param = 0); 20981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendIoConfigEvent_l(int event, int param = 0); 21081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendPrioConfigEvent_l(pid_t pid, pid_t tid, int32_t prio); 2111035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t sendSetParameterConfigEvent_l(const String8& keyValuePair); 212021cf9634ab09c0753a40b7c9ef4ba603be5c3daEric Laurent void processConfigEvents_l(); 2131035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual void cacheParameters_l() = 0; 21481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 21581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // see note at declaration of mStandby, mOutDevice and mInDevice 21681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool standby() const { return mStandby; } 21781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t outDevice() const { return mOutDevice; } 21881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t inDevice() const { return mInDevice; } 21981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const = 0; 22181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectHandle> createEffect_l( 22381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 22481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<IEffectClient>& effectClient, 22581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t priority, 22681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 22781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent effect_descriptor_t *desc, 22881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int *enabled, 2299156ef3e11b68cc4b6d3cea77f1f63673855a6d1Glenn Kasten status_t *status /*non-NULL*/); 23081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void disconnectEffect(const sp< EffectModule>& effect, 23181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent EffectHandle *handle, 23281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool unpinIfLast); 23381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return values for hasAudioSession (bit field) 23581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum effect_state { 23681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent EFFECT_SESSION = 0x1, // the audio session corresponds to at least one 23781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // effect 23881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent TRACK_SESSION = 0x2 // the audio session corresponds to at least one 23981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // track 24081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 24181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 24281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // get effect chain corresponding to session Id. 24381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectChain> getEffectChain(int sessionId); 24481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same as getEffectChain() but must be called with ThreadBase mutex locked 24581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectChain> getEffectChain_l(int sessionId) const; 24681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // add an effect chain to the chain list (mEffectChains) 24781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain) = 0; 24881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // remove an effect chain from the chain list (mEffectChains) 24981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain) = 0; 25081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // lock all effect chains Mutexes. Must be called before releasing the 25181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ThreadBase mutex before processing the mixer and effects. This guarantees the 25281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // integrity of the chains during the process. 25381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Also sets the parameter 'effectChains' to current value of mEffectChains. 25481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void lockEffectChains_l(Vector< sp<EffectChain> >& effectChains); 25581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // unlock effect chains after process 25681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void unlockEffectChains(const Vector< sp<EffectChain> >& effectChains); 257bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // get a copy of mEffectChains vector 258bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent Vector< sp<EffectChain> > getEffectChains_l() const { return mEffectChains; }; 25981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // set audio mode to all effect chains 26081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMode(audio_mode_t mode); 26181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // get effect module with corresponding ID on specified audio session 26281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::EffectModule> getEffect(int sessionId, int effectId); 26381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::EffectModule> getEffect_l(int sessionId, int effectId); 26481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // add and effect module. Also creates the effect chain is none exists for 26581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the effects audio session 26681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t addEffect_l(const sp< EffectModule>& effect); 26781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // remove and effect module. Also removes the effect chain is this was the last 26881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // effect 26981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeEffect_l(const sp< EffectModule>& effect); 27081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // detach all tracks connected to an auxiliary effect 2710f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten virtual void detachAuxEffect_l(int effectId __unused) {} 27281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // returns either EFFECT_SESSION if effects on this audio session exist in one 27381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // chain, or TRACK_SESSION if tracks on this audio session exist, or both 27481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const = 0; 27581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the value returned by default implementation is not important as the 27681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // strategy is only meaningful for PlaybackThread which implements this method 2770f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten virtual uint32_t getStrategyForSession_l(int sessionId __unused) { return 0; } 27881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 27981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend or restore effect according to the type of effect passed. a NULL 28081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // type pointer means suspend all effects in the session 28181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setEffectSuspended(const effect_uuid_t *type, 28281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 28381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 28481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // check if some effects must be suspended/restored when an effect is enabled 28581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // or disabled 28681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnEffectEnabled(const sp<EffectModule>& effect, 28781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool enabled, 28881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 28981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnEffectEnabled_l(const sp<EffectModule>& effect, 29081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool enabled, 29181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 29281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 29381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event) = 0; 29481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const = 0; 29581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 296b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten // Return a reference to a per-thread heap which can be used to allocate IMemory 297b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten // objects that will be read-only to client processes, read/write to mediaserver, 298b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten // and shared by all client processes of the thread. 299b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten // The heap is per-thread rather than common across all threads, because 300b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten // clients can't be trusted not to modify the offset of the IMemory they receive. 301b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten // If a thread does not have such a heap, this method returns 0. 302b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten virtual sp<MemoryDealer> readOnlyHeap() const { return 0; } 30381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 30481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mutable Mutex mLock; 30581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 30681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 30781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 30881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // entry describing an effect being suspended in mSuspendedSessions keyed vector 30981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class SuspendedSessionDesc : public RefBase { 31081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 31181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SuspendedSessionDesc() : mRefCount(0) {} 31281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 31381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mRefCount; // number of active suspend requests 31481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent effect_uuid_t mType; // effect type UUID 31581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 31681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 317e14a5d6d2cc91dd2fc09ffdf7aa670b37da0795dMarco Nelissen void acquireWakeLock(int uid = -1); 318e14a5d6d2cc91dd2fc09ffdf7aa670b37da0795dMarco Nelissen void acquireWakeLock_l(int uid = -1); 31981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void releaseWakeLock(); 32081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void releaseWakeLock_l(); 321462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen void updateWakeLockUids(const SortedVector<int> &uids); 322462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen void updateWakeLockUids_l(const SortedVector<int> &uids); 323462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen void getPowerManager_l(); 32481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setEffectSuspended_l(const effect_uuid_t *type, 32581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 32681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId); 32781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // updated mSuspendedSessions when an effect suspended or restored 32881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void updateSuspendedSessions_l(const effect_uuid_t *type, 32981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 33081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId); 33181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // check if some effects must be suspended when an effect chain is added 33281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnAddEffectChain_l(const sp<EffectChain>& chain); 33381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 334014e7fa2e90827d911c37bb0ce4d2e10e14d0bb3Narayan Kamath String16 getWakeLockTag(); 335014e7fa2e90827d911c37bb0ce4d2e10e14d0bb3Narayan Kamath 33681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void preExit() { } 33781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 33881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent friend class AudioFlinger; // for mEffectChains 33981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const type_t mType; 34181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Used by parameters, config events, addTrack_l, exit 34381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mWaitWorkCV; 34481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger> mAudioFlinger; 3469b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 347deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten // updated by PlaybackThread::readOutputParameters_l() or 348deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten // RecordThread::readInputParameters_l() 34981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mSampleRate; 35081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mFrameCount; // output HAL, direct output, record 35181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t mChannelMask; 352f6ed423af92a56ef54bba23eba883b1f21448b54Glenn Kasten uint32_t mChannelCount; 35381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mFrameSize; 35481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t mFormat; 35570949c47fbae3f836d15f040551d7631be3ed7c2Glenn Kasten size_t mBufferSize; // HAL buffer size for read() or write() 35681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 3571035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent Vector< sp<ConfigEvent> > mConfigEvents; 35881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 35981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // These fields are written and read by thread itself without lock or barrier, 3604944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten // and read by other threads without lock or barrier via standby(), outDevice() 36181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // and inDevice(). 36281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Because of the absence of a lock or barrier, any other thread that reads 36381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // these fields must use the information in isolation, or be prepared to deal 36481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // with possibility that it might be inconsistent with other information. 3654944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten bool mStandby; // Whether thread is currently in standby. 36681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t mOutDevice; // output device 36781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t mInDevice; // input device 36881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_source_t mAudioSource; // (see audio.h, audio_source_t) 36981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 37081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const audio_io_handle_t mId; 37181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector< sp<EffectChain> > mEffectChains; 37281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 37381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static const int kNameLength = 16; // prctl(PR_SET_NAME) limit 37481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent char mName[kNameLength]; 37581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<IPowerManager> mPowerManager; 37681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<IBinder> mWakeLockToken; 37781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<PMDeathRecipient> mDeathRecipient; 37881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // list of suspended effects per session and per type. The first vector is 37981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // keyed by session ID, the second by type UUID timeLow field 38081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent KeyedVector< int, KeyedVector< int, sp<SuspendedSessionDesc> > > 38181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mSuspendedSessions; 382ab7d72f0804fbb7e91ad9d2a16f826d97e20e5d0Glenn Kasten static const size_t kLogSize = 4 * 1024; 3839e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> mNBLogWriter; 38481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 38581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 38681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent// --- PlaybackThread --- 38781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass PlaybackThread : public ThreadBase { 38881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 38981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 39081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "PlaybackTracks.h" 39181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 39281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum mixer_state { 39381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_IDLE, // no active tracks 39481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_TRACKS_ENABLED, // at least one active track, but no track has any data ready 395bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent MIXER_TRACKS_READY, // at least one active track, and at least one track has data 396bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent MIXER_DRAIN_TRACK, // drain currently playing track 397bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent MIXER_DRAIN_ALL, // fully drain the hardware 39881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // standby mode does not have an enum value 39981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend by audio policy manager is orthogonal to mixer state 40081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 40181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 402bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // retry count before removing active track in case of underrun on offloaded thread: 403bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // we need to make sure that AudioTrack client has enough time to send large buffers 404bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent//FIXME may be more appropriate if expressed in time units. Need to revise how underrun is handled 405bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // for offloaded tracks 406bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent static const int8_t kMaxTrackRetriesOffload = 20; 407bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 40881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 40981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, audio_devices_t device, type_t type); 41081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PlaybackThread(); 41181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dump(int fd, const Vector<String16>& args); 41381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 41581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool threadLoop(); 41681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // RefBase 41881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void onFirstRef(); 41981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 42081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 42181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Code snippets that were lifted up out of threadLoop() 42281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix() = 0; 42381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime() = 0; 424bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ssize_t threadLoop_write(); 425bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void threadLoop_drain(); 42681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 427bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void threadLoop_exit(); 42881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove); 42981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // prepareTracks_l reads and writes mActiveTracks, and returns 43181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the pending set of tracks to remove via Vector 'tracksToRemove'. The caller 43281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is responsible for clearing or destroying this Vector later on, when it 43381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is safe to do so. That will drop the final ref count and destroy the tracks. 43481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove) = 0; 435bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void removeTracks_l(const Vector< sp<Track> >& tracksToRemove); 436bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 437bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void writeCallback(); 4383b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetWriteBlocked(uint32_t sequence); 439bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void drainCallback(); 4403b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetDraining(uint32_t sequence); 441bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 442bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent static int asyncCallback(stream_callback_event_t event, void *param, void *cookie); 443bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 444bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback(); 445bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback_l(); 446bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool shouldStandby_l(); 4474c6a433d74d5ae8b9bc0557207e3ced43bf34a25Haynes Mathew George virtual void onAddNewTrack_l(); 44881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 44981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ThreadBase virtuals 45081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void preExit(); 45181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 45281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 45381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 45481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const { return (mOutput == NULL) ? NO_INIT : NO_ERROR; } 45581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 45681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return estimated latency in milliseconds, as reported by HAL 45781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t latency() const; 45881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same, but lock must already be held 45981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t latency_l() const; 46081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterVolume(float value); 46281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterMute(bool muted); 46381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setStreamVolume(audio_stream_type_t stream, float value); 46581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setStreamMute(audio_stream_type_t stream, bool muted); 46681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float streamVolume(audio_stream_type_t stream) const; 46881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<Track> createTrack_l( 47081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 47181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_stream_type_t streamType, 47281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 47381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format, 47481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 47574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t *pFrameCount, 47681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<IMemory>& sharedBuffer, 47781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 47881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent IAudioFlinger::track_flags_t *flags, 47981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid, 480462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid, 4819156ef3e11b68cc4b6d3cea77f1f63673855a6d1Glenn Kasten status_t *status /*non-NULL*/); 48281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 48381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* getOutput() const; 48481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* clearOutput(); 48581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const; 48681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 48781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // a very large number of suspend() will eventually wraparound, but unlikely 48881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void suspend() { (void) android_atomic_inc(&mSuspended); } 48981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void restore() 49081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { 49181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // if restore() is done without suspend(), get back into 49281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // range so that the next suspend() will operate correctly 49381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent if (android_atomic_dec(&mSuspended) <= 0) { 49481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent android_atomic_release_store(0, &mSuspended); 49581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 49681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 49781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool isSuspended() const 49881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { return android_atomic_acquire_load(&mSuspended) > 0; } 49981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 50081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys); 501021cf9634ab09c0753a40b7c9ef4ba603be5c3daEric Laurent virtual void audioConfigChanged(int event, int param = 0); 502377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames); 503010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung // FIXME rename mixBuffer() to sinkBuffer() and remove int16_t* dependency. 504010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung // Consider also removing and passing an explicit mMainBuffer initialization 505010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung // parameter to AF::PlaybackThread::Track::Track(). 506010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung int16_t *mixBuffer() const { 507010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung return reinterpret_cast<int16_t *>(mSinkBuffer); }; 50881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 50981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void detachAuxEffect_l(int effectId); 51081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t attachAuxEffect(const sp<AudioFlinger::PlaybackThread::Track> track, 51181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int EffectId); 51281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t attachAuxEffect_l(const sp<AudioFlinger::PlaybackThread::Track> track, 51381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int EffectId); 51481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 51581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain); 51681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain); 51781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const; 51881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t getStrategyForSession_l(int sessionId); 51981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 52081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 52181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event); 52281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const; 523fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 524fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // called with AudioFlinger lock held 52581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void invalidateTracks(audio_stream_type_t streamType); 52681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5279b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten virtual size_t frameCount() const { return mNormalFrameCount; } 5289b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 5299b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten // Return's the HAL's frame count i.e. fast mixer buffer size. 5309b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten size_t frameCountHAL() const { return mFrameCount; } 53181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 532accc147666bfd37fc8b4ef745f18a8c751555ec2Eric Laurent status_t getTimestamp_l(AudioTimestamp& timestamp); 533accc147666bfd37fc8b4ef745f18a8c751555ec2Eric Laurent 53481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 535deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten // updated by readOutputParameters_l() 5369b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten size_t mNormalFrameCount; // normal mixer and effects 5379b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 538010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung void* mSinkBuffer; // frame size aligned sink buffer 53981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 54098ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // TODO: 54198ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Rearrange the buffer info into a struct/class with 54298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // clear, copy, construction, destruction methods. 54398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 54498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // mSinkBuffer also has associated with it: 54598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 54698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // mSinkBufferSize: Sink Buffer Size 54798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // mFormat: Sink Buffer Format 54898ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 54969aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Mixer Buffer (mMixerBuffer*) 55069aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // 55169aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // In the case of floating point or multichannel data, which is not in the 55269aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // sink format, it is required to accumulate in a higher precision or greater channel count 55369aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // buffer before downmixing or data conversion to the sink buffer. 55469aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 55569aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Set to "true" to enable the Mixer Buffer otherwise mixer output goes to sink buffer. 55669aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung bool mMixerBufferEnabled; 55769aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 55869aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Storage, 32 byte aligned (may make this alignment a requirement later). 55969aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Due to constraints on mNormalFrameCount, the buffer size is a multiple of 16 frames. 56069aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung void* mMixerBuffer; 56169aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 56269aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Size of mMixerBuffer in bytes: mNormalFrameCount * #channels * sampsize. 56369aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung size_t mMixerBufferSize; 56469aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 56569aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // The audio format of mMixerBuffer. Set to AUDIO_FORMAT_PCM_(FLOAT|16_BIT) only. 56669aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung audio_format_t mMixerBufferFormat; 56769aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 56869aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // An internal flag set to true by MixerThread::prepareTracks_l() 56969aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // when mMixerBuffer contains valid data after mixing. 57069aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung bool mMixerBufferValid; 57169aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 57298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Effects Buffer (mEffectsBuffer*) 57398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 57498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // In the case of effects data, which is not in the sink format, 57598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // it is required to accumulate in a different buffer before data conversion 57698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // to the sink buffer. 57798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 57898ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Set to "true" to enable the Effects Buffer otherwise effects output goes to sink buffer. 57998ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung bool mEffectBufferEnabled; 58098ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 58198ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Storage, 32 byte aligned (may make this alignment a requirement later). 58298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Due to constraints on mNormalFrameCount, the buffer size is a multiple of 16 frames. 58398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung void* mEffectBuffer; 58498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 58598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Size of mEffectsBuffer in bytes: mNormalFrameCount * #channels * sampsize. 58698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung size_t mEffectBufferSize; 58798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 58898ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // The audio format of mEffectsBuffer. Set to AUDIO_FORMAT_PCM_16_BIT only. 58998ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung audio_format_t mEffectBufferFormat; 59098ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 59198ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // An internal flag set to true by MixerThread::prepareTracks_l() 59298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // when mEffectsBuffer contains valid data after mixing. 59398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 59498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // When this is set, all mixer data is routed into the effects buffer 59598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // for any processing (including output processing). 59698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung bool mEffectBufferValid; 59798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 59881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend count, > 0 means suspended. While suspended, the thread continues to pull from 59981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // tracks and mix, but doesn't write to HAL. A2DP and SCO HAL implementations can't handle 60081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // concurrent use of both of them, so Audio Policy Service suspends one of the threads to 60181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // workaround that restriction. 60281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 'volatile' means accessed via atomic operations and no lock. 60381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent volatile int32_t mSuspended; 60481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 60581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME overflows every 6+ hours at 44.1 kHz stereo 16-bit samples 60681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mFramesWritten would be better, or 64-bit even better 60781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mBytesWritten; 60881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 60981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mMasterMute is in both PlaybackThread and in AudioFlinger. When a 61081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // PlaybackThread needs to find out if master-muted, it checks it's local 61181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // copy rather than the one in AudioFlinger. This optimization saves a lock. 61281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mMasterMute; 61381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterMute_l(bool muted) { mMasterMute = muted; } 61481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 61581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector< wp<Track> > mActiveTracks; // FIXME check if this could be sp<> 616462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen SortedVector<int> mWakeLockUids; 617462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int mActiveTracksGeneration; 618fd4779740ec3e9e865d5514464df26d015354388Eric Laurent wp<Track> mLatestActiveTrack; // latest track added to mActiveTracks 61981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Allocate a track name for a given channel mask. 62181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Returns name >= 0 if successful, -1 on failure. 62281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId) = 0; 62381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name) = 0; 62481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Time to sleep between cycles when: 62681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; // mixer state MIXER_TRACKS_ENABLED 62781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const = 0; // mixer state MIXER_IDLE 62881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const = 0; // audio policy manager suspended us 62981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // No sleep when mixer state == MIXER_TRACKS_READY; relies on audio HAL stream->write() 63081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // No sleep in standby mode; waits on a condition 63181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Code snippets that are temporarily lifted up out of threadLoop() until the merge 63381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSilentMode_l(); 63481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Non-trivial for DUPLICATING only 63681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void saveOutputTracks() { } 63781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void clearOutputTracks() { } 63881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Cache various calculated values, at threadLoop() entry and after a parameter change 64081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 64181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t correctLatency_l(uint32_t latency) const; 64381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 64581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent friend class AudioFlinger; // for numerous 64781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread& operator = (const PlaybackThread&); 64981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 65081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t addTrack_l(const sp<Track>& track); 651bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool destroyTrack_l(const sp<Track>& track); 65281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeTrack_l(const sp<Track>& track); 653ede6c3b8b1147bc425f7b923882f559a513fe23bEric Laurent void broadcast_l(); 65481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 655deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten void readOutputParameters_l(); 65681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 65781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dumpInternals(int fd, const Vector<String16>& args); 65881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpTracks(int fd, const Vector<String16>& args); 65981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 66081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector< sp<Track> > mTracks; 66181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mStreamTypes[] uses 1 additional stream type internally for the OutputTrack used by 66281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // DuplicatingThread 66381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent stream_type_t mStreamTypes[AUDIO_STREAM_CNT + 1]; 66481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut *mOutput; 66581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 66681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mMasterVolume; 66781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t mLastWriteTime; 66881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mNumWrites; 66981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mNumDelayedWrites; 67081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mInWrite; 67181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 67281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME rename these former local variables of threadLoop to standard "m" names 67381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t standbyTime; 67425c2dac12114699e90deb1c579cadebce7b91a97Andy Hung size_t mSinkBufferSize; 67581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 67681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // cached copies of activeSleepTimeUs() and idleSleepTimeUs() made by cacheParameters_l() 67781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t activeSleepTime; 67881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t idleSleepTime; 67981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 68081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sleepTime; 68181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 68281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mixer status returned by prepareTracks_l() 68381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mixer_state mMixerStatus; // current cycle 68481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // previous cycle when in prepareTracks_l() 68581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mixer_state mMixerStatusIgnoringFastTracks; 68681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME or a separate ready state per track 68781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 68881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME move these declarations into the specific sub-class that needs them 68981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // MIXER only 69081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sleepTimeShift; 69181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same as AudioFlinger::mStandbyTimeInNsecs except for DIRECT which uses a shorter value 69381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t standbyDelay; 69481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // MIXER only 69681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t maxPeriod; 69781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // DUPLICATING only 69981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t writeFrames; 70081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 701bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mBytesRemaining; 702bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mCurrentWriteLength; 703bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mUseAsyncWrite; 7043b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mWriteAckSequence contains current write sequence on bits 31-1. The write sequence is 7053b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // incremented each time a write(), a flush() or a standby() occurs. 7063b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is set when a write blocks and indicates a callback is expected. 7073b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is reset by the async callback thread calling resetWriteBlocked(). Out of sequence 7083b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // callbacks are ignored. 7093b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent uint32_t mWriteAckSequence; 7103b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mDrainSequence contains current drain sequence on bits 31-1. The drain sequence is 7113b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // incremented each time a drain is requested or a flush() or standby() occurs. 7123b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is set when the drain() command is called at the HAL and indicates a callback is 7133b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // expected. 7143b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is reset by the async callback thread calling resetDraining(). Out of sequence 7153b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // callbacks are ignored. 7163b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent uint32_t mDrainSequence; 717ede6c3b8b1147bc425f7b923882f559a513fe23bEric Laurent // A condition that must be evaluated by prepareTrack_l() has changed and we must not wait 718ede6c3b8b1147bc425f7b923882f559a513fe23bEric Laurent // for async write callback in the thread loop before evaluating it 719bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mSignalPending; 720bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent sp<AsyncCallbackThread> mCallbackThread; 721bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 72281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 72381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The HAL output sink is treated as non-blocking, but current implementation is blocking 72481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mOutputSink; 72581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // If a fast mixer is present, the blocking pipe sink, otherwise clear 72681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mPipeSink; 72781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The current sink for the normal mixer to write it's (sub)mix, mOutputSink or mPipeSink 72881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mNormalSink; 72946909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#ifdef TEE_SINK 73081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // For dumpsys 73181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mTeeSink; 73281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Source> mTeeSource; 73346909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#endif 73481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mScreenState; // cached copy of gScreenState 735ab7d72f0804fbb7e91ad9d2a16f826d97e20e5d0Glenn Kasten static const size_t kFastMixerLogSize = 4 * 1024; 7369e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> mFastMixerNBLogWriter; 73781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 73881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const = 0; 7390f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex __unused) const 74081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { FastTrackUnderruns dummy; return dummy; } 74181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 74281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 74381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // accessed by both binder threads and within threadLoop(), lock on mutex needed 74481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent unsigned mFastTrackAvailMask; // bit i set if fast track [i] is available 745bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten 746bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kastenprivate: 747bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten // timestamp latch: 748bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten // D input is written by threadLoop_write while mutex is unlocked, and read while locked 749bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten // Q output is written while locked, and read while locked 750bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten struct { 751bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten AudioTimestamp mTimestamp; 752bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten uint32_t mUnpresentedFrames; 753bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten } mLatchD, mLatchQ; 754bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten bool mLatchDValid; // true means mLatchD is valid, and clock it into latch at next opportunity 755bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten bool mLatchQValid; // true means mLatchQ is valid 75681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 75781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 75881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass MixerThread : public PlaybackThread { 75981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 76081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MixerThread(const sp<AudioFlinger>& audioFlinger, 76181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* output, 76281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, 76381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t device, 76481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent type_t type = MIXER); 76581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~MixerThread(); 76681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 76781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 76881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 7691035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual bool checkForNewParameter_l(const String8& keyValuePair, 7701035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t& status); 77181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dumpInternals(int fd, const Vector<String16>& args); 77281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 77481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 77581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId); 77681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name); 77781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const; 77881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const; 77981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 78081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 78181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 782bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ssize_t threadLoop_write(); 78381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 78481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 78581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 78681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove); 78781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t correctLatency_l(uint32_t latency) const; 78881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 78981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioMixer* mAudioMixer; // normal mixer 79081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 79181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // one-time initialization, no locks required 79281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent FastMixer* mFastMixer; // non-NULL if there is also a fast mixer 79381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioWatchdog> mAudioWatchdog; // non-0 if there is an audio watchdog thread 79481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 79581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // contents are not guaranteed to be consistent, no locks required 79681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent FastMixerDumpState mFastMixerDumpState; 79781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#ifdef STATE_QUEUE_DUMP 79881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent StateQueueObserverDump mStateQueueObserverDump; 79981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent StateQueueMutatorDump mStateQueueMutatorDump; 80081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#endif 80181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioWatchdogDump mAudioWatchdogDump; 80281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 80381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // accessible only within the threadLoop(), no locks required 80481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mFastMixer->sq() // for mutating and pushing state 80581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t mFastMixerFutex; // for cold idle 80681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 80781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 80881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return mFastMixer != NULL; } 80981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const { 81081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ALOG_ASSERT(fastIndex < FastMixerState::kMaxFastTracks); 81181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent return mFastMixerDumpState.mTracks[fastIndex].mUnderruns; 81281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 81381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 81481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 81581784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass DirectOutputThread : public PlaybackThread { 81681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 81781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 81881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 81981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, audio_devices_t device); 82081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~DirectOutputThread(); 82181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 82281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 82381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 8241035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual bool checkForNewParameter_l(const String8& keyValuePair, 8251035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t& status); 82681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 82781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 82881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId); 82981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name); 83081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; 83181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const; 83281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const; 83381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 83481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 83581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 83681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 83781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 83881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 83981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 84081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // volumes last sent to audio HAL with stream->set_volume() 84181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mLeftVolFloat; 84281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mRightVolFloat; 84381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 844bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 845bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent audio_io_handle_t id, uint32_t device, ThreadBase::type_t type); 846bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void processVolume_l(Track *track, bool lastTrack); 847bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 84881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // prepareTracks_l() tells threadLoop_mix() the name of the single active track 84981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<Track> mActiveTrack; 85081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 85181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return false; } 85281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 85381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 854bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentclass OffloadThread : public DirectOutputThread { 855bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentpublic: 856bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 857bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent OffloadThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 858bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent audio_io_handle_t id, uint32_t device); 8596a51d7ed7062536ccc892c8850a34ed55cbc8d5cEric Laurent virtual ~OffloadThread() {}; 860bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 861bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprotected: 862bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // threadLoop snippets 863bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 864bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void threadLoop_exit(); 865bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 866bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback(); 867bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback_l(); 868bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool shouldStandby_l(); 8694c6a433d74d5ae8b9bc0557207e3ced43bf34a25Haynes Mathew George virtual void onAddNewTrack_l(); 870bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 871bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprivate: 872bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void flushHw_l(); 873bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 874bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprivate: 875bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mHwPaused; 876bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mFlushPending; 877bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mPausedWriteLength; // length in bytes of write interrupted by pause 878bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mPausedBytesRemaining; // bytes still waiting in mixbuffer after resume 879d7e59228caad3867794d847f6bf163c6495e9506Eric Laurent wp<Track> mPreviousTrack; // used to detect track switch 880bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent}; 881bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 882bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentclass AsyncCallbackThread : public Thread { 883bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentpublic: 884bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 8854de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent AsyncCallbackThread(const wp<PlaybackThread>& playbackThread); 886bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 887bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ~AsyncCallbackThread(); 888bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 889bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // Thread virtuals 890bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool threadLoop(); 891bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 892bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // RefBase 893bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void onFirstRef(); 894bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 895bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void exit(); 8963b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void setWriteBlocked(uint32_t sequence); 8973b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetWriteBlocked(); 8983b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void setDraining(uint32_t sequence); 8993b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetDraining(); 900bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 901bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprivate: 9024de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent const wp<PlaybackThread> mPlaybackThread; 9033b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mWriteAckSequence corresponds to the last write sequence passed by the offload thread via 9043b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // setWriteBlocked(). The sequence is shifted one bit to the left and the lsb is used 9053b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // to indicate that the callback has been received via resetWriteBlocked() 9064de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent uint32_t mWriteAckSequence; 9073b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mDrainSequence corresponds to the last drain sequence passed by the offload thread via 9083b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // setDraining(). The sequence is shifted one bit to the left and the lsb is used 9093b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // to indicate that the callback has been received via resetDraining() 9104de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent uint32_t mDrainSequence; 9114de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent Condition mWaitWorkCV; 9124de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent Mutex mLock; 913bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent}; 914bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 91581784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass DuplicatingThread : public MixerThread { 91681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 91781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DuplicatingThread(const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread, 91881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id); 91981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~DuplicatingThread(); 92081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 92181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 92281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void addOutputTrack(MixerThread* thread); 92381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeOutputTrack(MixerThread* thread); 92481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t waitTimeMs() const { return mWaitTimeMs; } 92581784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 92681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; 92781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 92881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 92981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool outputsReady(const SortedVector< sp<OutputTrack> > &outputTracks); 93081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 93181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 93281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 93381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 934bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ssize_t threadLoop_write(); 93581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 93681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 93781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 93881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 93981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // called from threadLoop, addOutputTrack, removeOutputTrack 94081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void updateWaitTime_l(); 94181784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 94281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void saveOutputTracks(); 94381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void clearOutputTracks(); 94481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 94581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 94681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mWaitTimeMs; 94781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<OutputTrack> > outputTracks; 94881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<OutputTrack> > mOutputTracks; 94981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 95081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return false; } 95181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 95281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 95381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 95481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent// record thread 9556dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kastenclass RecordThread : public ThreadBase 95681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent{ 95781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 95881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9596dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten class RecordTrack; 9606dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten class ResamplerBufferProvider : public AudioBufferProvider 9616dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten // derives from AudioBufferProvider interface for use by resampler 9626dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten { 9636dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten public: 9646dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten ResamplerBufferProvider(RecordTrack* recordTrack) : mRecordTrack(recordTrack) { } 9656dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten virtual ~ResamplerBufferProvider() { } 9666dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten // AudioBufferProvider interface 9676dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts); 9686dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer); 9696dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten private: 9706dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten RecordTrack * const mRecordTrack; 9716dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten }; 9726dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten 97381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "RecordTracks.h" 97481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 97581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent RecordThread(const sp<AudioFlinger>& audioFlinger, 97681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn *input, 97781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, 978d3922f72601d82c6fc067a98916fda0bd1291c5fEric Laurent audio_devices_t outDevice, 97946909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten audio_devices_t inDevice 98046909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#ifdef TEE_SINK 98146909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten , const sp<NBAIO_Sink>& teeSink 98246909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#endif 98346909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten ); 98481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~RecordThread(); 98581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 98681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // no addTrack_l ? 98781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void destroyTrack_l(const sp<RecordTrack>& track); 98881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeTrack_l(const sp<RecordTrack>& track); 98981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 99081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpInternals(int fd, const Vector<String16>& args); 99181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpTracks(int fd, const Vector<String16>& args); 99281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 99381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 99481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool threadLoop(); 99581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 99681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // RefBase 99781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void onFirstRef(); 99881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 99981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const { return (mInput == NULL) ? NO_INIT : NO_ERROR; } 1000e198c360d5e75a9b2097844c495c10902e7e8500Glenn Kasten 1001b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten virtual sp<MemoryDealer> readOnlyHeap() const { return mReadOnlyHeap; } 1002b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten 100381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::RecordThread::RecordTrack> createRecordTrack_l( 100481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 100581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 100681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format, 100781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 100874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t *pFrameCount, 100981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 1010462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid, 1011ddb0ccf3fb6fe8da8c71a6deb30561b821f3c0a2Glenn Kasten IAudioFlinger::track_flags_t *flags, 101281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid, 10139156ef3e11b68cc4b6d3cea77f1f63673855a6d1Glenn Kasten status_t *status /*non-NULL*/); 101481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 101581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t start(RecordTrack* recordTrack, 101681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioSystem::sync_event_t event, 101781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int triggerSession); 101881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 101981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ask the thread to stop the specified track, and 102081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return true if the caller should then do it's part of the stopping process 1021a8356f663014e7d4c27869629af83d8bb3441e19Glenn Kasten bool stop(RecordTrack* recordTrack); 102281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 102381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dump(int fd, const Vector<String16>& args); 102481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn* clearInput(); 102581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const; 102681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 102781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10281035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual bool checkForNewParameter_l(const String8& keyValuePair, 10291035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent status_t& status); 10301035194cee4fbd57e35ea15c56e66cd09b63d56eEric Laurent virtual void cacheParameters_l() {} 103181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys); 1032021cf9634ab09c0753a40b7c9ef4ba603be5c3daEric Laurent virtual void audioConfigChanged(int event, int param = 0); 1033deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten void readInputParameters_l(); 10345f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kasten virtual uint32_t getInputFramesLost(); 103581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 103681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain); 103781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain); 103881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const; 103981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 104081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Return the set of unique session IDs across all tracks. 104181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The keys are the session IDs, and the associated values are meaningless. 104281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME replace by Set [and implement Bag/Multiset for other uses]. 104381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent KeyedVector<int, bool> sessionIds() const; 104481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 104581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event); 104681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const; 104781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 104881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static void syncStartEventCallback(const wp<SyncEvent>& event); 104981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10509b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten virtual size_t frameCount() const { return mFrameCount; } 10513a6c90aa0617666d9abc94c02b752d9eb3d64772Glenn Kasten bool hasFastCapture() const { return false; } 10529b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 105381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 105481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Enter standby if not already in standby, and set mStandby flag 105593e471f620454f7de73d190521568b1e25879767Glenn Kasten void standbyIfNotAlreadyInStandby(); 105681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 105781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Call the HAL standby method unconditionally, and don't change mStandby flag 1058e198c360d5e75a9b2097844c495c10902e7e8500Glenn Kasten void inputStandBy(); 105981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 106081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn *mInput; 106181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<RecordTrack> > mTracks; 10622b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten // mActiveTracks has dual roles: it indicates the current active track(s), and 106381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is used together with mStartStopCond to indicate start()/stop() progress 10642b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten SortedVector< sp<RecordTrack> > mActiveTracks; 10652b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten // generation counter for mActiveTracks 10662b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten int mActiveTracksGen; 106781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mStartStopCond; 10689b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 10698594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten // resampler converts input at HAL Hz to output at AudioRecord client Hz 10708594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten int16_t *mRsmpInBuffer; // see new[] for details on the size 10718594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten size_t mRsmpInFrames; // size of resampler input in frames 10728594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten size_t mRsmpInFramesP2;// size rounded up to a power-of-2 10736dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten 10746dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten // rolling index that is never cleared 10758594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten int32_t mRsmpInRear; // last filled frame + 1 10768594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten 107781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // For dumpsys 107881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<NBAIO_Sink> mTeeSink; 1079b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten 1080b880f5e5fc07397ddd09a94ba18bdf4fa62aae00Glenn Kasten const sp<MemoryDealer> mReadOnlyHeap; 108181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 1082