Threads.h revision 9e58b552f51b00b3b674102876bd6c77ef3da806
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 3181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent RECORD // Thread class is RecordThread 3281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 3381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 3481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ThreadBase(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id, 3581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t outDevice, audio_devices_t inDevice, type_t type); 3681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~ThreadBase(); 3781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 3881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpBase(int fd, const Vector<String16>& args); 3981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpEffectChains(int fd, const Vector<String16>& args); 4081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 4181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void clearPowerManager(); 4281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 4381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // base for record and playback 4481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum { 4581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent CFG_EVENT_IO, 4681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent CFG_EVENT_PRIO 4781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 4881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 4981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class ConfigEvent { 5081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 5181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ConfigEvent(int type) : mType(type) {} 5281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~ConfigEvent() {} 5381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int type() const { return mType; } 5581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) = 0; 5781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 5981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mType; 6081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 6181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 6281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class IoConfigEvent : public ConfigEvent { 6381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 6481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent IoConfigEvent(int event, int param) : 6581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ConfigEvent(CFG_EVENT_IO), mEvent(event), mParam(event) {} 6681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~IoConfigEvent() {} 6781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 6881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int event() const { return mEvent; } 6981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int param() const { return mParam; } 7081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 7181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) { 7281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent snprintf(buffer, size, "IO event: event %d, param %d\n", mEvent, mParam); 7381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 7481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 7581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 7681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mEvent; 7781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mParam; 7881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 7981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 8081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class PrioConfigEvent : public ConfigEvent { 8181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 8281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PrioConfigEvent(pid_t pid, pid_t tid, int32_t prio) : 8381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ConfigEvent(CFG_EVENT_PRIO), mPid(pid), mTid(tid), mPrio(prio) {} 8481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PrioConfigEvent() {} 8581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 8681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t pid() const { return mPid; } 8781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid() const { return mTid; } 8881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t prio() const { return mPrio; } 8981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) { 9181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent snprintf(buffer, size, "Prio event: pid %d, tid %d, prio %d\n", mPid, mTid, mPrio); 9281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 9381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 9581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const pid_t mPid; 9681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const pid_t mTid; 9781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int32_t mPrio; 9881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 9981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class PMDeathRecipient : public IBinder::DeathRecipient { 10281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 10381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient(const wp<ThreadBase>& thread) : mThread(thread) {} 10481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PMDeathRecipient() {} 10581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // IBinder::DeathRecipient 10781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void binderDied(const wp<IBinder>& who); 10881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 11081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient(const PMDeathRecipient&); 11181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient& operator = (const PMDeathRecipient&); 11281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 11381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent wp<ThreadBase> mThread; 11481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 11581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 11681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const = 0; 11781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 11881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // static externally-visible 11981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent type_t type() const { return mType; } 12081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id() const { return mId;} 12181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 12281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // dynamic externally-visible 12381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate() const { return mSampleRate; } 12481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t channelCount() const { return mChannelCount; } 12581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask() const { return mChannelMask; } 12681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format() const { return mFormat; } 12781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Called by AudioFlinger::frameCount(audio_io_handle_t output) and effects, 12881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // and returns the normal mix buffer's frame count. 12981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t frameCount() const { return mNormalFrameCount; } 13081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Return's the HAL's frame count i.e. fast mixer buffer size. 13181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t frameCountHAL() const { return mFrameCount; } 13281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 13381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Should be "virtual status_t requestExitAndWait()" and override same 13481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // method in Thread, but Thread::requestExitAndWait() is not yet virtual. 13581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void exit(); 13681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l() = 0; 13781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setParameters(const String8& keyValuePairs); 13881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys) = 0; 13981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void audioConfigChanged_l(int event, int param = 0) = 0; 14081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendIoConfigEvent(int event, int param = 0); 14181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendIoConfigEvent_l(int event, int param = 0); 14281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendPrioConfigEvent_l(pid_t pid, pid_t tid, int32_t prio); 14381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void processConfigEvents(); 14481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 14581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // see note at declaration of mStandby, mOutDevice and mInDevice 14681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool standby() const { return mStandby; } 14781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t outDevice() const { return mOutDevice; } 14881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t inDevice() const { return mInDevice; } 14981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 15081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const = 0; 15181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 15281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectHandle> createEffect_l( 15381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 15481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<IEffectClient>& effectClient, 15581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t priority, 15681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 15781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent effect_descriptor_t *desc, 15881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int *enabled, 15981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t *status); 16081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void disconnectEffect(const sp< EffectModule>& effect, 16181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent EffectHandle *handle, 16281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool unpinIfLast); 16381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 16481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return values for hasAudioSession (bit field) 16581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum effect_state { 16681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent EFFECT_SESSION = 0x1, // the audio session corresponds to at least one 16781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // effect 16881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent TRACK_SESSION = 0x2 // the audio session corresponds to at least one 16981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // track 17081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 17181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 17281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // get effect chain corresponding to session Id. 17381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectChain> getEffectChain(int sessionId); 17481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same as getEffectChain() but must be called with ThreadBase mutex locked 17581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectChain> getEffectChain_l(int sessionId) const; 17681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // add an effect chain to the chain list (mEffectChains) 17781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain) = 0; 17881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // remove an effect chain from the chain list (mEffectChains) 17981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain) = 0; 18081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // lock all effect chains Mutexes. Must be called before releasing the 18181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ThreadBase mutex before processing the mixer and effects. This guarantees the 18281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // integrity of the chains during the process. 18381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Also sets the parameter 'effectChains' to current value of mEffectChains. 18481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void lockEffectChains_l(Vector< sp<EffectChain> >& effectChains); 18581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // unlock effect chains after process 18681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void unlockEffectChains(const Vector< sp<EffectChain> >& effectChains); 18781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // set audio mode to all effect chains 18881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMode(audio_mode_t mode); 18981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // get effect module with corresponding ID on specified audio session 19081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::EffectModule> getEffect(int sessionId, int effectId); 19181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::EffectModule> getEffect_l(int sessionId, int effectId); 19281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // add and effect module. Also creates the effect chain is none exists for 19381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the effects audio session 19481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t addEffect_l(const sp< EffectModule>& effect); 19581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // remove and effect module. Also removes the effect chain is this was the last 19681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // effect 19781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeEffect_l(const sp< EffectModule>& effect); 19881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // detach all tracks connected to an auxiliary effect 19981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void detachAuxEffect_l(int effectId) {} 20081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // returns either EFFECT_SESSION if effects on this audio session exist in one 20181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // chain, or TRACK_SESSION if tracks on this audio session exist, or both 20281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const = 0; 20381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the value returned by default implementation is not important as the 20481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // strategy is only meaningful for PlaybackThread which implements this method 20581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t getStrategyForSession_l(int sessionId) { return 0; } 20681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 20781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend or restore effect according to the type of effect passed. a NULL 20881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // type pointer means suspend all effects in the session 20981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setEffectSuspended(const effect_uuid_t *type, 21081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 21181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 21281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // check if some effects must be suspended/restored when an effect is enabled 21381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // or disabled 21481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnEffectEnabled(const sp<EffectModule>& effect, 21581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool enabled, 21681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 21781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnEffectEnabled_l(const sp<EffectModule>& effect, 21881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool enabled, 21981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 22081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event) = 0; 22281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const = 0; 22381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mutable Mutex mLock; 22681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 22881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // entry describing an effect being suspended in mSuspendedSessions keyed vector 23081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class SuspendedSessionDesc : public RefBase { 23181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 23281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SuspendedSessionDesc() : mRefCount(0) {} 23381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mRefCount; // number of active suspend requests 23581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent effect_uuid_t mType; // effect type UUID 23681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 23781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void acquireWakeLock(); 23981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void acquireWakeLock_l(); 24081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void releaseWakeLock(); 24181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void releaseWakeLock_l(); 24281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setEffectSuspended_l(const effect_uuid_t *type, 24381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 24481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId); 24581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // updated mSuspendedSessions when an effect suspended or restored 24681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void updateSuspendedSessions_l(const effect_uuid_t *type, 24781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 24881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId); 24981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // check if some effects must be suspended when an effect chain is added 25081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnAddEffectChain_l(const sp<EffectChain>& chain); 25181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 25281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void preExit() { } 25381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 25481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent friend class AudioFlinger; // for mEffectChains 25581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 25681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const type_t mType; 25781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 25881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Used by parameters, config events, addTrack_l, exit 25981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mWaitWorkCV; 26081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 26181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger> mAudioFlinger; 26281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mSampleRate; 26381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mFrameCount; // output HAL, direct output, record 26481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mNormalFrameCount; // normal mixer and effects 26581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t mChannelMask; 26681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint16_t mChannelCount; 26781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mFrameSize; 26881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t mFormat; 26981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 27081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Parameter sequence by client: binder thread calling setParameters(): 27181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 1. Lock mLock 27281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 2. Append to mNewParameters 27381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 3. mWaitWorkCV.signal 27481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 4. mParamCond.waitRelative with timeout 27581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 5. read mParamStatus 27681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 6. mWaitWorkCV.signal 27781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 7. Unlock 27881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 27981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Parameter sequence by server: threadLoop calling checkForNewParameters_l(): 28081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 1. Lock mLock 28181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 2. If there is an entry in mNewParameters proceed ... 28281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 2. Read first entry in mNewParameters 28381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 3. Process 28481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 4. Remove first entry from mNewParameters 28581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 5. Set mParamStatus 28681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 6. mParamCond.signal 28781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 7. mWaitWorkCV.wait with timeout (this is to avoid overwriting mParamStatus) 28881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 8. Unlock 28981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mParamCond; 29081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector<String8> mNewParameters; 29181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t mParamStatus; 29281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 29381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector<ConfigEvent *> mConfigEvents; 29481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 29581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // These fields are written and read by thread itself without lock or barrier, 29681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // and read by other threads without lock or barrier via standby() , outDevice() 29781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // and inDevice(). 29881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Because of the absence of a lock or barrier, any other thread that reads 29981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // these fields must use the information in isolation, or be prepared to deal 30081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // with possibility that it might be inconsistent with other information. 30181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mStandby; // Whether thread is currently in standby. 30281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t mOutDevice; // output device 30381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t mInDevice; // input device 30481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_source_t mAudioSource; // (see audio.h, audio_source_t) 30581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 30681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const audio_io_handle_t mId; 30781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector< sp<EffectChain> > mEffectChains; 30881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 30981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static const int kNameLength = 16; // prctl(PR_SET_NAME) limit 31081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent char mName[kNameLength]; 31181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<IPowerManager> mPowerManager; 31281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<IBinder> mWakeLockToken; 31381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<PMDeathRecipient> mDeathRecipient; 31481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // list of suspended effects per session and per type. The first vector is 31581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // keyed by session ID, the second by type UUID timeLow field 31681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent KeyedVector< int, KeyedVector< int, sp<SuspendedSessionDesc> > > 31781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mSuspendedSessions; 3189e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten static const size_t kLogSize = 512; 3199e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> mNBLogWriter; 32081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 32181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 32281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent// --- PlaybackThread --- 32381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass PlaybackThread : public ThreadBase { 32481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 32581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 32681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "PlaybackTracks.h" 32781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 32881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum mixer_state { 32981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_IDLE, // no active tracks 33081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_TRACKS_ENABLED, // at least one active track, but no track has any data ready 33181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_TRACKS_READY // at least one active track, and at least one track has data 33281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // standby mode does not have an enum value 33381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend by audio policy manager is orthogonal to mixer state 33481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 33581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 33681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 33781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, audio_devices_t device, type_t type); 33881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PlaybackThread(); 33981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dump(int fd, const Vector<String16>& args); 34181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 34381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t readyToRun(); 34481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool threadLoop(); 34581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // RefBase 34781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void onFirstRef(); 34881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 35081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Code snippets that were lifted up out of threadLoop() 35181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix() = 0; 35281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime() = 0; 35381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_write(); 35481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 35581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove); 35681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 35781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // prepareTracks_l reads and writes mActiveTracks, and returns 35881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the pending set of tracks to remove via Vector 'tracksToRemove'. The caller 35981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is responsible for clearing or destroying this Vector later on, when it 36081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is safe to do so. That will drop the final ref count and destroy the tracks. 36181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove) = 0; 36281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 36381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ThreadBase virtuals 36481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void preExit(); 36581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 36681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 36781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 36881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const { return (mOutput == NULL) ? NO_INIT : NO_ERROR; } 36981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 37081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return estimated latency in milliseconds, as reported by HAL 37181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t latency() const; 37281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same, but lock must already be held 37381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t latency_l() const; 37481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 37581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterVolume(float value); 37681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterMute(bool muted); 37781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 37881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setStreamVolume(audio_stream_type_t stream, float value); 37981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setStreamMute(audio_stream_type_t stream, bool muted); 38081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 38181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float streamVolume(audio_stream_type_t stream) const; 38281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 38381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<Track> createTrack_l( 38481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 38581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_stream_type_t streamType, 38681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 38781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format, 38881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 38981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t frameCount, 39081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<IMemory>& sharedBuffer, 39181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 39281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent IAudioFlinger::track_flags_t *flags, 39381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid, 39481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t *status); 39581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 39681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* getOutput() const; 39781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* clearOutput(); 39881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const; 39981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 40081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // a very large number of suspend() will eventually wraparound, but unlikely 40181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void suspend() { (void) android_atomic_inc(&mSuspended); } 40281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void restore() 40381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { 40481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // if restore() is done without suspend(), get back into 40581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // range so that the next suspend() will operate correctly 40681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent if (android_atomic_dec(&mSuspended) <= 0) { 40781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent android_atomic_release_store(0, &mSuspended); 40881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 40981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 41081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool isSuspended() const 41181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { return android_atomic_acquire_load(&mSuspended) > 0; } 41281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys); 41481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void audioConfigChanged_l(int event, int param = 0); 41581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t getRenderPosition(size_t *halFrames, size_t *dspFrames); 41681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int16_t *mixBuffer() const { return mMixBuffer; }; 41781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void detachAuxEffect_l(int effectId); 41981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t attachAuxEffect(const sp<AudioFlinger::PlaybackThread::Track> track, 42081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int EffectId); 42181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t attachAuxEffect_l(const sp<AudioFlinger::PlaybackThread::Track> track, 42281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int EffectId); 42381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 42481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain); 42581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain); 42681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const; 42781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t getStrategyForSession_l(int sessionId); 42881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 42981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event); 43181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const; 43281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void invalidateTracks(audio_stream_type_t streamType); 43381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43581784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 43681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int16_t* mMixBuffer; 43781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend count, > 0 means suspended. While suspended, the thread continues to pull from 43981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // tracks and mix, but doesn't write to HAL. A2DP and SCO HAL implementations can't handle 44081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // concurrent use of both of them, so Audio Policy Service suspends one of the threads to 44181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // workaround that restriction. 44281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 'volatile' means accessed via atomic operations and no lock. 44381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent volatile int32_t mSuspended; 44481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 44581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME overflows every 6+ hours at 44.1 kHz stereo 16-bit samples 44681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mFramesWritten would be better, or 64-bit even better 44781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mBytesWritten; 44881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 44981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mMasterMute is in both PlaybackThread and in AudioFlinger. When a 45081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // PlaybackThread needs to find out if master-muted, it checks it's local 45181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // copy rather than the one in AudioFlinger. This optimization saves a lock. 45281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mMasterMute; 45381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterMute_l(bool muted) { mMasterMute = muted; } 45481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 45581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector< wp<Track> > mActiveTracks; // FIXME check if this could be sp<> 45681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 45781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Allocate a track name for a given channel mask. 45881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Returns name >= 0 if successful, -1 on failure. 45981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId) = 0; 46081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name) = 0; 46181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Time to sleep between cycles when: 46381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; // mixer state MIXER_TRACKS_ENABLED 46481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const = 0; // mixer state MIXER_IDLE 46581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const = 0; // audio policy manager suspended us 46681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // No sleep when mixer state == MIXER_TRACKS_READY; relies on audio HAL stream->write() 46781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // No sleep in standby mode; waits on a condition 46881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Code snippets that are temporarily lifted up out of threadLoop() until the merge 47081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSilentMode_l(); 47181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 47281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Non-trivial for DUPLICATING only 47381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void saveOutputTracks() { } 47481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void clearOutputTracks() { } 47581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 47681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Cache various calculated values, at threadLoop() entry and after a parameter change 47781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 47881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 47981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t correctLatency_l(uint32_t latency) const; 48081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 48181784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 48281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 48381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent friend class AudioFlinger; // for numerous 48481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 48581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread(const Client&); 48681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread& operator = (const PlaybackThread&); 48781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 48881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t addTrack_l(const sp<Track>& track); 48981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void destroyTrack_l(const sp<Track>& track); 49081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeTrack_l(const sp<Track>& track); 49181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 49281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void readOutputParameters(); 49381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 49481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dumpInternals(int fd, const Vector<String16>& args); 49581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpTracks(int fd, const Vector<String16>& args); 49681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 49781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector< sp<Track> > mTracks; 49881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mStreamTypes[] uses 1 additional stream type internally for the OutputTrack used by 49981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // DuplicatingThread 50081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent stream_type_t mStreamTypes[AUDIO_STREAM_CNT + 1]; 50181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut *mOutput; 50281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 50381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mMasterVolume; 50481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t mLastWriteTime; 50581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mNumWrites; 50681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mNumDelayedWrites; 50781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mInWrite; 50881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 50981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME rename these former local variables of threadLoop to standard "m" names 51081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t standbyTime; 51181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mixBufferSize; 51281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 51381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // cached copies of activeSleepTimeUs() and idleSleepTimeUs() made by cacheParameters_l() 51481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t activeSleepTime; 51581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t idleSleepTime; 51681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 51781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sleepTime; 51881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 51981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mixer status returned by prepareTracks_l() 52081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mixer_state mMixerStatus; // current cycle 52181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // previous cycle when in prepareTracks_l() 52281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mixer_state mMixerStatusIgnoringFastTracks; 52381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME or a separate ready state per track 52481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 52581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME move these declarations into the specific sub-class that needs them 52681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // MIXER only 52781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sleepTimeShift; 52881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 52981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same as AudioFlinger::mStandbyTimeInNsecs except for DIRECT which uses a shorter value 53081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t standbyDelay; 53181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 53281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // MIXER only 53381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t maxPeriod; 53481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 53581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // DUPLICATING only 53681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t writeFrames; 53781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 53881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 53981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The HAL output sink is treated as non-blocking, but current implementation is blocking 54081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mOutputSink; 54181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // If a fast mixer is present, the blocking pipe sink, otherwise clear 54281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mPipeSink; 54381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The current sink for the normal mixer to write it's (sub)mix, mOutputSink or mPipeSink 54481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mNormalSink; 54581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // For dumpsys 54681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mTeeSink; 54781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Source> mTeeSource; 54881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mScreenState; // cached copy of gScreenState 5499e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten static const size_t kFastMixerLogSize = 8 * 1024; 5509e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> mFastMixerNBLogWriter; 55181784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 55281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const = 0; 55381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const 55481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { FastTrackUnderruns dummy; return dummy; } 55581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 55681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 55781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // accessed by both binder threads and within threadLoop(), lock on mutex needed 55881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent unsigned mFastTrackAvailMask; // bit i set if fast track [i] is available 55981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 56081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 56181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 56281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass MixerThread : public PlaybackThread { 56381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 56481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MixerThread(const sp<AudioFlinger>& audioFlinger, 56581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* output, 56681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, 56781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t device, 56881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent type_t type = MIXER); 56981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~MixerThread(); 57081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 57181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 57281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 57381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l(); 57481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dumpInternals(int fd, const Vector<String16>& args); 57581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 57681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 57781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 57881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId); 57981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name); 58081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const; 58181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const; 58281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 58381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 58481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 58581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_write(); 58681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 58781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 58881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 58981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove); 59081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t correctLatency_l(uint32_t latency) const; 59181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 59281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioMixer* mAudioMixer; // normal mixer 59381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 59481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // one-time initialization, no locks required 59581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent FastMixer* mFastMixer; // non-NULL if there is also a fast mixer 59681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioWatchdog> mAudioWatchdog; // non-0 if there is an audio watchdog thread 59781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 59881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // contents are not guaranteed to be consistent, no locks required 59981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent FastMixerDumpState mFastMixerDumpState; 60081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#ifdef STATE_QUEUE_DUMP 60181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent StateQueueObserverDump mStateQueueObserverDump; 60281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent StateQueueMutatorDump mStateQueueMutatorDump; 60381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#endif 60481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioWatchdogDump mAudioWatchdogDump; 60581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 60681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // accessible only within the threadLoop(), no locks required 60781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mFastMixer->sq() // for mutating and pushing state 60881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t mFastMixerFutex; // for cold idle 60981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 61081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 61181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return mFastMixer != NULL; } 61281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const { 61381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ALOG_ASSERT(fastIndex < FastMixerState::kMaxFastTracks); 61481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent return mFastMixerDumpState.mTracks[fastIndex].mUnderruns; 61581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 61681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 61781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 61881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass DirectOutputThread : public PlaybackThread { 61981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 62081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 62281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, audio_devices_t device); 62381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~DirectOutputThread(); 62481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 62681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l(); 62881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 63081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId); 63181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name); 63281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; 63381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const; 63481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const; 63581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 63681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 63881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 63981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 64081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 64181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 64381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // volumes last sent to audio HAL with stream->set_volume() 64481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mLeftVolFloat; 64581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mRightVolFloat; 64681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // prepareTracks_l() tells threadLoop_mix() the name of the single active track 64881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<Track> mActiveTrack; 64981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 65081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return false; } 65181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 65281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 65381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass DuplicatingThread : public MixerThread { 65481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 65581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DuplicatingThread(const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread, 65681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id); 65781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~DuplicatingThread(); 65881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 65981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 66081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void addOutputTrack(MixerThread* thread); 66181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeOutputTrack(MixerThread* thread); 66281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t waitTimeMs() const { return mWaitTimeMs; } 66381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 66481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; 66581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 66681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 66781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool outputsReady(const SortedVector< sp<OutputTrack> > &outputTracks); 66881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 66981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 67081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 67181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 67281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_write(); 67381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 67481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 67581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 67681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 67781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // called from threadLoop, addOutputTrack, removeOutputTrack 67881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void updateWaitTime_l(); 67981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 68081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void saveOutputTracks(); 68181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void clearOutputTracks(); 68281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 68381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 68481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mWaitTimeMs; 68581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<OutputTrack> > outputTracks; 68681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<OutputTrack> > mOutputTracks; 68781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 68881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return false; } 68981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 69081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent// record thread 69381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass RecordThread : public ThreadBase, public AudioBufferProvider 69481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // derives from AudioBufferProvider interface for use by resampler 69581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent{ 69681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 69781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "RecordTracks.h" 69981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 70081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent RecordThread(const sp<AudioFlinger>& audioFlinger, 70181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn *input, 70281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 70381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 70481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, 70581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t device, 70681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<NBAIO_Sink>& teeSink); 70781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~RecordThread(); 70881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 70981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // no addTrack_l ? 71081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void destroyTrack_l(const sp<RecordTrack>& track); 71181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeTrack_l(const sp<RecordTrack>& track); 71281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 71381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpInternals(int fd, const Vector<String16>& args); 71481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpTracks(int fd, const Vector<String16>& args); 71581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 71681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 71781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool threadLoop(); 71881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t readyToRun(); 71981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 72081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // RefBase 72181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void onFirstRef(); 72281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 72381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const { return (mInput == NULL) ? NO_INIT : NO_ERROR; } 72481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::RecordThread::RecordTrack> createRecordTrack_l( 72581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 72681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 72781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format, 72881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 72981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t frameCount, 73081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 73181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent IAudioFlinger::track_flags_t flags, 73281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid, 73381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t *status); 73481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 73581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t start(RecordTrack* recordTrack, 73681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioSystem::sync_event_t event, 73781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int triggerSession); 73881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 73981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ask the thread to stop the specified track, and 74081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return true if the caller should then do it's part of the stopping process 74181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool stop_l(RecordTrack* recordTrack); 74281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 74381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dump(int fd, const Vector<String16>& args); 74481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn* clearInput(); 74581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const; 74681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 74781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // AudioBufferProvider interface 74881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts); 74981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer); 75081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 75181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l(); 75281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys); 75381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void audioConfigChanged_l(int event, int param = 0); 75481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void readInputParameters(); 75581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual unsigned int getInputFramesLost(); 75681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 75781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain); 75881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain); 75981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const; 76081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 76181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Return the set of unique session IDs across all tracks. 76281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The keys are the session IDs, and the associated values are meaningless. 76381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME replace by Set [and implement Bag/Multiset for other uses]. 76481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent KeyedVector<int, bool> sessionIds() const; 76581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 76681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event); 76781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const; 76881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 76981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static void syncStartEventCallback(const wp<SyncEvent>& event); 77081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void handleSyncStartEvent(const sp<SyncEvent>& event); 77181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 77381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void clearSyncStartEvent(); 77481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Enter standby if not already in standby, and set mStandby flag 77681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void standby(); 77781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Call the HAL standby method unconditionally, and don't change mStandby flag 77981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void inputStandBy(); 78081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 78181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn *mInput; 78281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<RecordTrack> > mTracks; 78381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mActiveTrack has dual roles: it indicates the current active track, and 78481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is used together with mStartStopCond to indicate start()/stop() progress 78581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<RecordTrack> mActiveTrack; 78681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mStartStopCond; 78781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioResampler *mResampler; 78881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t *mRsmpOutBuffer; 78981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int16_t *mRsmpInBuffer; 79081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mRsmpInIndex; 79181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mInputBytes; 79281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const uint32_t mReqChannelCount; 79381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const uint32_t mReqSampleRate; 79481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ssize_t mBytesRead; 79581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // sync event triggering actual audio capture. Frames read before this event will 79681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // be dropped and therefore not read by the application. 79781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<SyncEvent> mSyncStartEvent; 79881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // number of captured frames to drop after the start sync event has been received. 79981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // when < 0, maximum frames to drop before starting capture even if sync event is 80081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // not received 80181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ssize_t mFramestoDrop; 80281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 80381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // For dumpsys 80481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<NBAIO_Sink> mTeeSink; 80581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 806