Threads.h revision 010a1a1a552cdaad362cea8a0333b8906402dbcb
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, 4981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent CFG_EVENT_PRIO 5081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 5181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class ConfigEvent { 5381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 5481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ConfigEvent(int type) : mType(type) {} 5581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~ConfigEvent() {} 5681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int type() const { return mType; } 5881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 5981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) = 0; 6081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 6181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 6281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mType; 6381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 6481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 6581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class IoConfigEvent : public ConfigEvent { 6681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 6781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent IoConfigEvent(int event, int param) : 6849debee5bdddd7a1e0742a3ab66d4630bbe25ca2Glenn Kasten ConfigEvent(CFG_EVENT_IO), mEvent(event), mParam(param) {} 6981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~IoConfigEvent() {} 7081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 7181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int event() const { return mEvent; } 7281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int param() const { return mParam; } 7381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 7481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) { 7581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent snprintf(buffer, size, "IO event: event %d, param %d\n", mEvent, mParam); 7681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 7781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 7881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 7981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mEvent; 8081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int mParam; 8181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 8281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 8381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class PrioConfigEvent : public ConfigEvent { 8481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 8581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PrioConfigEvent(pid_t pid, pid_t tid, int32_t prio) : 8681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ConfigEvent(CFG_EVENT_PRIO), mPid(pid), mTid(tid), mPrio(prio) {} 8781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PrioConfigEvent() {} 8881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 8981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t pid() const { return mPid; } 9081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid() const { return mTid; } 9181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t prio() const { return mPrio; } 9281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dump(char *buffer, size_t size) { 9481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent snprintf(buffer, size, "Prio event: pid %d, tid %d, prio %d\n", mPid, mTid, mPrio); 9581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 9681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 9881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const pid_t mPid; 9981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const pid_t mTid; 10081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const int32_t mPrio; 10181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 10281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class PMDeathRecipient : public IBinder::DeathRecipient { 10581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 10681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient(const wp<ThreadBase>& thread) : mThread(thread) {} 10781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PMDeathRecipient() {} 10881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 10981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // IBinder::DeathRecipient 11081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void binderDied(const wp<IBinder>& who); 11181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 11281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent private: 11381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient(const PMDeathRecipient&); 11481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PMDeathRecipient& operator = (const PMDeathRecipient&); 11581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 11681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent wp<ThreadBase> mThread; 11781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 11881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 11981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const = 0; 12081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 12181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // static externally-visible 12281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent type_t type() const { return mType; } 12381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id() const { return mId;} 12481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 12581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // dynamic externally-visible 12681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate() const { return mSampleRate; } 12781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t channelCount() const { return mChannelCount; } 12881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask() const { return mChannelMask; } 12981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format() const { return mFormat; } 13081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Called by AudioFlinger::frameCount(audio_io_handle_t output) and effects, 1319b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten // and returns the [normal mix] buffer's frame count. 1329b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten virtual size_t frameCount() const = 0; 133bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t frameSize() const { return mFrameSize; } 13481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 13581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Should be "virtual status_t requestExitAndWait()" and override same 13681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // method in Thread, but Thread::requestExitAndWait() is not yet virtual. 13781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void exit(); 13881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l() = 0; 13981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setParameters(const String8& keyValuePairs); 14081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys) = 0; 14181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void audioConfigChanged_l(int event, int param = 0) = 0; 14281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendIoConfigEvent(int event, int param = 0); 14381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendIoConfigEvent_l(int event, int param = 0); 14481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void sendPrioConfigEvent_l(pid_t pid, pid_t tid, int32_t prio); 14581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void processConfigEvents(); 146f777331418a86cd9fd709af898ef24a69967aeb4Glenn Kasten void processConfigEvents_l(); 14781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 14881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // see note at declaration of mStandby, mOutDevice and mInDevice 14981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool standby() const { return mStandby; } 15081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t outDevice() const { return mOutDevice; } 15181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t inDevice() const { return mInDevice; } 15281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 15381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const = 0; 15481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 15581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectHandle> createEffect_l( 15681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 15781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<IEffectClient>& effectClient, 15881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t priority, 15981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 16081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent effect_descriptor_t *desc, 16181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int *enabled, 1629156ef3e11b68cc4b6d3cea77f1f63673855a6d1Glenn Kasten status_t *status /*non-NULL*/); 16381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void disconnectEffect(const sp< EffectModule>& effect, 16481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent EffectHandle *handle, 16581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool unpinIfLast); 16681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 16781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return values for hasAudioSession (bit field) 16881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum effect_state { 16981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent EFFECT_SESSION = 0x1, // the audio session corresponds to at least one 17081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // effect 17181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent TRACK_SESSION = 0x2 // the audio session corresponds to at least one 17281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // track 17381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 17481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 17581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // get effect chain corresponding to session Id. 17681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectChain> getEffectChain(int sessionId); 17781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same as getEffectChain() but must be called with ThreadBase mutex locked 17881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<EffectChain> getEffectChain_l(int sessionId) const; 17981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // add an effect chain to the chain list (mEffectChains) 18081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain) = 0; 18181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // remove an effect chain from the chain list (mEffectChains) 18281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain) = 0; 18381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // lock all effect chains Mutexes. Must be called before releasing the 18481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ThreadBase mutex before processing the mixer and effects. This guarantees the 18581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // integrity of the chains during the process. 18681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Also sets the parameter 'effectChains' to current value of mEffectChains. 18781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void lockEffectChains_l(Vector< sp<EffectChain> >& effectChains); 18881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // unlock effect chains after process 18981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void unlockEffectChains(const Vector< sp<EffectChain> >& effectChains); 190bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // get a copy of mEffectChains vector 191bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent Vector< sp<EffectChain> > getEffectChains_l() const { return mEffectChains; }; 19281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // set audio mode to all effect chains 19381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMode(audio_mode_t mode); 19481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // get effect module with corresponding ID on specified audio session 19581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::EffectModule> getEffect(int sessionId, int effectId); 19681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::EffectModule> getEffect_l(int sessionId, int effectId); 19781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // add and effect module. Also creates the effect chain is none exists for 19881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the effects audio session 19981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t addEffect_l(const sp< EffectModule>& effect); 20081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // remove and effect module. Also removes the effect chain is this was the last 20181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // effect 20281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeEffect_l(const sp< EffectModule>& effect); 20381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // detach all tracks connected to an auxiliary effect 2040f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten virtual void detachAuxEffect_l(int effectId __unused) {} 20581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // returns either EFFECT_SESSION if effects on this audio session exist in one 20681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // chain, or TRACK_SESSION if tracks on this audio session exist, or both 20781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const = 0; 20881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the value returned by default implementation is not important as the 20981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // strategy is only meaningful for PlaybackThread which implements this method 2100f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten virtual uint32_t getStrategyForSession_l(int sessionId __unused) { return 0; } 21181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 21281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend or restore effect according to the type of effect passed. a NULL 21381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // type pointer means suspend all effects in the session 21481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setEffectSuspended(const effect_uuid_t *type, 21581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 21681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 21781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // check if some effects must be suspended/restored when an effect is enabled 21881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // or disabled 21981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnEffectEnabled(const sp<EffectModule>& effect, 22081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool enabled, 22181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 22281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnEffectEnabled_l(const sp<EffectModule>& effect, 22381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool enabled, 22481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId = AUDIO_SESSION_OUTPUT_MIX); 22581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event) = 0; 22781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const = 0; 22881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 22981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mutable Mutex mLock; 23181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 23381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // entry describing an effect being suspended in mSuspendedSessions keyed vector 23581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent class SuspendedSessionDesc : public RefBase { 23681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent public: 23781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SuspendedSessionDesc() : mRefCount(0) {} 23881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 23981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mRefCount; // number of active suspend requests 24081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent effect_uuid_t mType; // effect type UUID 24181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 24281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 243e14a5d6d2cc91dd2fc09ffdf7aa670b37da0795dMarco Nelissen void acquireWakeLock(int uid = -1); 244e14a5d6d2cc91dd2fc09ffdf7aa670b37da0795dMarco Nelissen void acquireWakeLock_l(int uid = -1); 24581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void releaseWakeLock(); 24681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void releaseWakeLock_l(); 247462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen void updateWakeLockUids(const SortedVector<int> &uids); 248462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen void updateWakeLockUids_l(const SortedVector<int> &uids); 249462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen void getPowerManager_l(); 25081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setEffectSuspended_l(const effect_uuid_t *type, 25181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 25281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId); 25381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // updated mSuspendedSessions when an effect suspended or restored 25481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void updateSuspendedSessions_l(const effect_uuid_t *type, 25581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool suspend, 25681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId); 25781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // check if some effects must be suspended when an effect chain is added 25881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSuspendOnAddEffectChain_l(const sp<EffectChain>& chain); 25981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 260014e7fa2e90827d911c37bb0ce4d2e10e14d0bb3Narayan Kamath String16 getWakeLockTag(); 261014e7fa2e90827d911c37bb0ce4d2e10e14d0bb3Narayan Kamath 26281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void preExit() { } 26381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 26481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent friend class AudioFlinger; // for mEffectChains 26581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 26681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const type_t mType; 26781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 26881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Used by parameters, config events, addTrack_l, exit 26981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mWaitWorkCV; 27081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 27181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger> mAudioFlinger; 2729b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 273deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten // updated by PlaybackThread::readOutputParameters_l() or 274deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten // RecordThread::readInputParameters_l() 27581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mSampleRate; 27681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mFrameCount; // output HAL, direct output, record 27781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t mChannelMask; 278f6ed423af92a56ef54bba23eba883b1f21448b54Glenn Kasten uint32_t mChannelCount; 27981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mFrameSize; 28081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t mFormat; 28170949c47fbae3f836d15f040551d7631be3ed7c2Glenn Kasten size_t mBufferSize; // HAL buffer size for read() or write() 28281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 28381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Parameter sequence by client: binder thread calling setParameters(): 28481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 1. Lock mLock 28581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 2. Append to mNewParameters 28681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 3. mWaitWorkCV.signal 28781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 4. mParamCond.waitRelative with timeout 28881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 5. read mParamStatus 28981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 6. mWaitWorkCV.signal 29081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 7. Unlock 29181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 29281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Parameter sequence by server: threadLoop calling checkForNewParameters_l(): 29381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 1. Lock mLock 29481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 2. If there is an entry in mNewParameters proceed ... 29581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 2. Read first entry in mNewParameters 29681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 3. Process 29781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 4. Remove first entry from mNewParameters 29881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 5. Set mParamStatus 29981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 6. mParamCond.signal 30081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 7. mWaitWorkCV.wait with timeout (this is to avoid overwriting mParamStatus) 30181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 8. Unlock 30281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mParamCond; 30381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector<String8> mNewParameters; 30481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t mParamStatus; 30581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 306c6ae3c8a261794fd4445e4e152d1ada074a3f92fGlenn Kasten // vector owns each ConfigEvent *, so must delete after removing 30781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector<ConfigEvent *> mConfigEvents; 30881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 30981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // These fields are written and read by thread itself without lock or barrier, 3104944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten // and read by other threads without lock or barrier via standby(), outDevice() 31181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // and inDevice(). 31281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Because of the absence of a lock or barrier, any other thread that reads 31381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // these fields must use the information in isolation, or be prepared to deal 31481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // with possibility that it might be inconsistent with other information. 3154944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten bool mStandby; // Whether thread is currently in standby. 31681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t mOutDevice; // output device 31781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t mInDevice; // input device 31881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_source_t mAudioSource; // (see audio.h, audio_source_t) 31981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 32081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const audio_io_handle_t mId; 32181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Vector< sp<EffectChain> > mEffectChains; 32281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 32381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static const int kNameLength = 16; // prctl(PR_SET_NAME) limit 32481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent char mName[kNameLength]; 32581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<IPowerManager> mPowerManager; 32681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<IBinder> mWakeLockToken; 32781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<PMDeathRecipient> mDeathRecipient; 32881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // list of suspended effects per session and per type. The first vector is 32981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // keyed by session ID, the second by type UUID timeLow field 33081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent KeyedVector< int, KeyedVector< int, sp<SuspendedSessionDesc> > > 33181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mSuspendedSessions; 332ab7d72f0804fbb7e91ad9d2a16f826d97e20e5d0Glenn Kasten static const size_t kLogSize = 4 * 1024; 3339e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> mNBLogWriter; 33481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 33581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 33681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent// --- PlaybackThread --- 33781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass PlaybackThread : public ThreadBase { 33881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 33981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "PlaybackTracks.h" 34181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 34281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent enum mixer_state { 34381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_IDLE, // no active tracks 34481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MIXER_TRACKS_ENABLED, // at least one active track, but no track has any data ready 345bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent MIXER_TRACKS_READY, // at least one active track, and at least one track has data 346bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent MIXER_DRAIN_TRACK, // drain currently playing track 347bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent MIXER_DRAIN_ALL, // fully drain the hardware 34881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // standby mode does not have an enum value 34981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend by audio policy manager is orthogonal to mixer state 35081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent }; 35181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 352bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // retry count before removing active track in case of underrun on offloaded thread: 353bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // we need to make sure that AudioTrack client has enough time to send large buffers 354bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent//FIXME may be more appropriate if expressed in time units. Need to revise how underrun is handled 355bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // for offloaded tracks 356bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent static const int8_t kMaxTrackRetriesOffload = 20; 357bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 35881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 35981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, audio_devices_t device, type_t type); 36081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~PlaybackThread(); 36181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 36281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dump(int fd, const Vector<String16>& args); 36381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 36481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 36581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool threadLoop(); 36681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 36781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // RefBase 36881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void onFirstRef(); 36981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 37081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 37181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Code snippets that were lifted up out of threadLoop() 37281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix() = 0; 37381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime() = 0; 374bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ssize_t threadLoop_write(); 375bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void threadLoop_drain(); 37681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 377bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void threadLoop_exit(); 37881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove); 37981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 38081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // prepareTracks_l reads and writes mActiveTracks, and returns 38181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // the pending set of tracks to remove via Vector 'tracksToRemove'. The caller 38281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is responsible for clearing or destroying this Vector later on, when it 38381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is safe to do so. That will drop the final ref count and destroy the tracks. 38481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove) = 0; 385bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void removeTracks_l(const Vector< sp<Track> >& tracksToRemove); 386bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 387bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void writeCallback(); 3883b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetWriteBlocked(uint32_t sequence); 389bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void drainCallback(); 3903b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetDraining(uint32_t sequence); 391bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 392bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent static int asyncCallback(stream_callback_event_t event, void *param, void *cookie); 393bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 394bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback(); 395bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback_l(); 396bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool shouldStandby_l(); 3974c6a433d74d5ae8b9bc0557207e3ced43bf34a25Haynes Mathew George virtual void onAddNewTrack_l(); 39881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 39981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ThreadBase virtuals 40081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void preExit(); 40181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 40281784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 40381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 40481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const { return (mOutput == NULL) ? NO_INIT : NO_ERROR; } 40581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 40681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return estimated latency in milliseconds, as reported by HAL 40781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t latency() const; 40881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same, but lock must already be held 40981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t latency_l() const; 41081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterVolume(float value); 41281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterMute(bool muted); 41381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setStreamVolume(audio_stream_type_t stream, float value); 41581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setStreamMute(audio_stream_type_t stream, bool muted); 41681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float streamVolume(audio_stream_type_t stream) const; 41881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 41981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<Track> createTrack_l( 42081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 42181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_stream_type_t streamType, 42281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 42381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format, 42481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 42574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t *pFrameCount, 42681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<IMemory>& sharedBuffer, 42781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 42881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent IAudioFlinger::track_flags_t *flags, 42981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid, 430462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid, 4319156ef3e11b68cc4b6d3cea77f1f63673855a6d1Glenn Kasten status_t *status /*non-NULL*/); 43281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* getOutput() const; 43481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* clearOutput(); 43581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const; 43681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 43781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // a very large number of suspend() will eventually wraparound, but unlikely 43881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void suspend() { (void) android_atomic_inc(&mSuspended); } 43981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void restore() 44081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { 44181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // if restore() is done without suspend(), get back into 44281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // range so that the next suspend() will operate correctly 44381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent if (android_atomic_dec(&mSuspended) <= 0) { 44481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent android_atomic_release_store(0, &mSuspended); 44581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 44681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 44781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool isSuspended() const 44881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { return android_atomic_acquire_load(&mSuspended) > 0; } 44981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 45081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys); 45181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void audioConfigChanged_l(int event, int param = 0); 452377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames); 453010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung // FIXME rename mixBuffer() to sinkBuffer() and remove int16_t* dependency. 454010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung // Consider also removing and passing an explicit mMainBuffer initialization 455010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung // parameter to AF::PlaybackThread::Track::Track(). 456010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung int16_t *mixBuffer() const { 457010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung return reinterpret_cast<int16_t *>(mSinkBuffer); }; 45881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 45981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void detachAuxEffect_l(int effectId); 46081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t attachAuxEffect(const sp<AudioFlinger::PlaybackThread::Track> track, 46181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int EffectId); 46281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t attachAuxEffect_l(const sp<AudioFlinger::PlaybackThread::Track> track, 46381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int EffectId); 46481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 46581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain); 46681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain); 46781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const; 46881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t getStrategyForSession_l(int sessionId); 46981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 47081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 47181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event); 47281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const; 473fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 474fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // called with AudioFlinger lock held 47581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void invalidateTracks(audio_stream_type_t streamType); 47681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 4779b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten virtual size_t frameCount() const { return mNormalFrameCount; } 4789b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 4799b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten // Return's the HAL's frame count i.e. fast mixer buffer size. 4809b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten size_t frameCountHAL() const { return mFrameCount; } 48181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 482accc147666bfd37fc8b4ef745f18a8c751555ec2Eric Laurent status_t getTimestamp_l(AudioTimestamp& timestamp); 483accc147666bfd37fc8b4ef745f18a8c751555ec2Eric Laurent 48481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 485deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten // updated by readOutputParameters_l() 4869b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten size_t mNormalFrameCount; // normal mixer and effects 4879b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 488010a1a1a552cdaad362cea8a0333b8906402dbcbAndy Hung void* mSinkBuffer; // frame size aligned sink buffer 48981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 49098ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // TODO: 49198ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Rearrange the buffer info into a struct/class with 49298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // clear, copy, construction, destruction methods. 49398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 49498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // mSinkBuffer also has associated with it: 49598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 49698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // mSinkBufferSize: Sink Buffer Size 49798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // mFormat: Sink Buffer Format 49898ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 49969aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Mixer Buffer (mMixerBuffer*) 50069aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // 50169aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // In the case of floating point or multichannel data, which is not in the 50269aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // sink format, it is required to accumulate in a higher precision or greater channel count 50369aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // buffer before downmixing or data conversion to the sink buffer. 50469aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 50569aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Set to "true" to enable the Mixer Buffer otherwise mixer output goes to sink buffer. 50669aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung bool mMixerBufferEnabled; 50769aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 50869aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Storage, 32 byte aligned (may make this alignment a requirement later). 50969aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Due to constraints on mNormalFrameCount, the buffer size is a multiple of 16 frames. 51069aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung void* mMixerBuffer; 51169aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 51269aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // Size of mMixerBuffer in bytes: mNormalFrameCount * #channels * sampsize. 51369aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung size_t mMixerBufferSize; 51469aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 51569aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // The audio format of mMixerBuffer. Set to AUDIO_FORMAT_PCM_(FLOAT|16_BIT) only. 51669aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung audio_format_t mMixerBufferFormat; 51769aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 51869aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // An internal flag set to true by MixerThread::prepareTracks_l() 51969aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung // when mMixerBuffer contains valid data after mixing. 52069aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung bool mMixerBufferValid; 52169aed5f0f4a3be3996d1e78a0473e1a72c1547daAndy Hung 52298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Effects Buffer (mEffectsBuffer*) 52398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 52498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // In the case of effects data, which is not in the sink format, 52598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // it is required to accumulate in a different buffer before data conversion 52698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // to the sink buffer. 52798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 52898ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Set to "true" to enable the Effects Buffer otherwise effects output goes to sink buffer. 52998ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung bool mEffectBufferEnabled; 53098ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 53198ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Storage, 32 byte aligned (may make this alignment a requirement later). 53298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Due to constraints on mNormalFrameCount, the buffer size is a multiple of 16 frames. 53398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung void* mEffectBuffer; 53498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 53598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // Size of mEffectsBuffer in bytes: mNormalFrameCount * #channels * sampsize. 53698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung size_t mEffectBufferSize; 53798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 53898ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // The audio format of mEffectsBuffer. Set to AUDIO_FORMAT_PCM_16_BIT only. 53998ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung audio_format_t mEffectBufferFormat; 54098ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 54198ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // An internal flag set to true by MixerThread::prepareTracks_l() 54298ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // when mEffectsBuffer contains valid data after mixing. 54398ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // 54498ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // When this is set, all mixer data is routed into the effects buffer 54598ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung // for any processing (including output processing). 54698ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung bool mEffectBufferValid; 54798ef978df4e928f486d244c4d7f7ad9f13111e98Andy Hung 54881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // suspend count, > 0 means suspended. While suspended, the thread continues to pull from 54981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // tracks and mix, but doesn't write to HAL. A2DP and SCO HAL implementations can't handle 55081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // concurrent use of both of them, so Audio Policy Service suspends one of the threads to 55181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // workaround that restriction. 55281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // 'volatile' means accessed via atomic operations and no lock. 55381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent volatile int32_t mSuspended; 55481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 55581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME overflows every 6+ hours at 44.1 kHz stereo 16-bit samples 55681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mFramesWritten would be better, or 64-bit even better 55781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent size_t mBytesWritten; 55881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 55981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mMasterMute is in both PlaybackThread and in AudioFlinger. When a 56081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // PlaybackThread needs to find out if master-muted, it checks it's local 56181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // copy rather than the one in AudioFlinger. This optimization saves a lock. 56281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mMasterMute; 56381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void setMasterMute_l(bool muted) { mMasterMute = muted; } 56481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 56581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector< wp<Track> > mActiveTracks; // FIXME check if this could be sp<> 566462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen SortedVector<int> mWakeLockUids; 567462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int mActiveTracksGeneration; 568fd4779740ec3e9e865d5514464df26d015354388Eric Laurent wp<Track> mLatestActiveTrack; // latest track added to mActiveTracks 56981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 57081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Allocate a track name for a given channel mask. 57181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Returns name >= 0 if successful, -1 on failure. 57281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId) = 0; 57381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name) = 0; 57481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 57581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Time to sleep between cycles when: 57681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; // mixer state MIXER_TRACKS_ENABLED 57781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const = 0; // mixer state MIXER_IDLE 57881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const = 0; // audio policy manager suspended us 57981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // No sleep when mixer state == MIXER_TRACKS_READY; relies on audio HAL stream->write() 58081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // No sleep in standby mode; waits on a condition 58181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 58281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Code snippets that are temporarily lifted up out of threadLoop() until the merge 58381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void checkSilentMode_l(); 58481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 58581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Non-trivial for DUPLICATING only 58681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void saveOutputTracks() { } 58781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void clearOutputTracks() { } 58881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 58981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Cache various calculated values, at threadLoop() entry and after a parameter change 59081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 59181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 59281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t correctLatency_l(uint32_t latency) const; 59381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 59481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 59581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 59681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent friend class AudioFlinger; // for numerous 59781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 59881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread(const Client&); 59981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent PlaybackThread& operator = (const PlaybackThread&); 60081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 60181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t addTrack_l(const sp<Track>& track); 602bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool destroyTrack_l(const sp<Track>& track); 60381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeTrack_l(const sp<Track>& track); 604ede6c3b8b1147bc425f7b923882f559a513fe23bEric Laurent void broadcast_l(); 60581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 606deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten void readOutputParameters_l(); 60781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 60881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dumpInternals(int fd, const Vector<String16>& args); 60981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpTracks(int fd, const Vector<String16>& args); 61081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 61181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector< sp<Track> > mTracks; 61281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mStreamTypes[] uses 1 additional stream type internally for the OutputTrack used by 61381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // DuplicatingThread 61481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent stream_type_t mStreamTypes[AUDIO_STREAM_CNT + 1]; 61581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut *mOutput; 61681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 61781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mMasterVolume; 61881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t mLastWriteTime; 61981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mNumWrites; 62081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int mNumDelayedWrites; 62181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool mInWrite; 62281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME rename these former local variables of threadLoop to standard "m" names 62481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t standbyTime; 62525c2dac12114699e90deb1c579cadebce7b91a97Andy Hung size_t mSinkBufferSize; 62681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 62781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // cached copies of activeSleepTimeUs() and idleSleepTimeUs() made by cacheParameters_l() 62881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t activeSleepTime; 62981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t idleSleepTime; 63081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sleepTime; 63281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mixer status returned by prepareTracks_l() 63481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mixer_state mMixerStatus; // current cycle 63581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // previous cycle when in prepareTracks_l() 63681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent mixer_state mMixerStatusIgnoringFastTracks; 63781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME or a separate ready state per track 63881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 63981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME move these declarations into the specific sub-class that needs them 64081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // MIXER only 64181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sleepTimeShift; 64281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // same as AudioFlinger::mStandbyTimeInNsecs except for DIRECT which uses a shorter value 64481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t standbyDelay; 64581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // MIXER only 64781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent nsecs_t maxPeriod; 64881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 64981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // DUPLICATING only 65081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t writeFrames; 65181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 652bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mBytesRemaining; 653bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mCurrentWriteLength; 654bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mUseAsyncWrite; 6553b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mWriteAckSequence contains current write sequence on bits 31-1. The write sequence is 6563b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // incremented each time a write(), a flush() or a standby() occurs. 6573b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is set when a write blocks and indicates a callback is expected. 6583b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is reset by the async callback thread calling resetWriteBlocked(). Out of sequence 6593b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // callbacks are ignored. 6603b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent uint32_t mWriteAckSequence; 6613b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mDrainSequence contains current drain sequence on bits 31-1. The drain sequence is 6623b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // incremented each time a drain is requested or a flush() or standby() occurs. 6633b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is set when the drain() command is called at the HAL and indicates a callback is 6643b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // expected. 6653b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // Bit 0 is reset by the async callback thread calling resetDraining(). Out of sequence 6663b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // callbacks are ignored. 6673b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent uint32_t mDrainSequence; 668ede6c3b8b1147bc425f7b923882f559a513fe23bEric Laurent // A condition that must be evaluated by prepareTrack_l() has changed and we must not wait 669ede6c3b8b1147bc425f7b923882f559a513fe23bEric Laurent // for async write callback in the thread loop before evaluating it 670bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mSignalPending; 671bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent sp<AsyncCallbackThread> mCallbackThread; 672bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 67381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 67481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The HAL output sink is treated as non-blocking, but current implementation is blocking 67581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mOutputSink; 67681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // If a fast mixer is present, the blocking pipe sink, otherwise clear 67781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mPipeSink; 67881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The current sink for the normal mixer to write it's (sub)mix, mOutputSink or mPipeSink 67981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mNormalSink; 68046909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#ifdef TEE_SINK 68181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // For dumpsys 68281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Sink> mTeeSink; 68381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<NBAIO_Source> mTeeSource; 68446909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#endif 68581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mScreenState; // cached copy of gScreenState 686ab7d72f0804fbb7e91ad9d2a16f826d97e20e5d0Glenn Kasten static const size_t kFastMixerLogSize = 4 * 1024; 6879e58b552f51b00b3b674102876bd6c77ef3da806Glenn Kasten sp<NBLog::Writer> mFastMixerNBLogWriter; 68881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 68981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const = 0; 6900f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex __unused) const 69181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent { FastTrackUnderruns dummy; return dummy; } 69281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 69381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 69481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // accessed by both binder threads and within threadLoop(), lock on mutex needed 69581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent unsigned mFastTrackAvailMask; // bit i set if fast track [i] is available 696bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten 697bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kastenprivate: 698bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten // timestamp latch: 699bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten // D input is written by threadLoop_write while mutex is unlocked, and read while locked 700bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten // Q output is written while locked, and read while locked 701bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten struct { 702bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten AudioTimestamp mTimestamp; 703bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten uint32_t mUnpresentedFrames; 704bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten } mLatchD, mLatchQ; 705bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten bool mLatchDValid; // true means mLatchD is valid, and clock it into latch at next opportunity 706bd096fd9d8e5fc0e62f98807f4818a06f70d0812Glenn Kasten bool mLatchQValid; // true means mLatchQ is valid 70781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 70881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 70981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass MixerThread : public PlaybackThread { 71081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 71181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent MixerThread(const sp<AudioFlinger>& audioFlinger, 71281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamOut* output, 71381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, 71481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_devices_t device, 71581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent type_t type = MIXER); 71681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~MixerThread(); 71781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 71881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 71981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 72081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l(); 72181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void dumpInternals(int fd, const Vector<String16>& args); 72281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 72381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 72481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 72581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId); 72681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name); 72781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const; 72881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const; 72981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 73081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 73181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 732bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ssize_t threadLoop_write(); 73381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 73481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 73581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 73681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove); 73781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t correctLatency_l(uint32_t latency) const; 73881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 73981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioMixer* mAudioMixer; // normal mixer 74081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 74181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // one-time initialization, no locks required 74281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent FastMixer* mFastMixer; // non-NULL if there is also a fast mixer 74381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioWatchdog> mAudioWatchdog; // non-0 if there is an audio watchdog thread 74481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 74581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // contents are not guaranteed to be consistent, no locks required 74681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent FastMixerDumpState mFastMixerDumpState; 74781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#ifdef STATE_QUEUE_DUMP 74881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent StateQueueObserverDump mStateQueueObserverDump; 74981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent StateQueueMutatorDump mStateQueueMutatorDump; 75081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#endif 75181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioWatchdogDump mAudioWatchdogDump; 75281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 75381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // accessible only within the threadLoop(), no locks required 75481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // mFastMixer->sq() // for mutating and pushing state 75581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int32_t mFastMixerFutex; // for cold idle 75681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 75781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 75881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return mFastMixer != NULL; } 75981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const { 76081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent ALOG_ASSERT(fastIndex < FastMixerState::kMaxFastTracks); 76181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent return mFastMixerDumpState.mTracks[fastIndex].mUnderruns; 76281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent } 76381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 76481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 76581784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass DirectOutputThread : public PlaybackThread { 76681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 76781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 76881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 76981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, audio_devices_t device); 77081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~DirectOutputThread(); 77181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 77381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l(); 77581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 77681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 77781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual int getTrackName_l(audio_channel_mask_t channelMask, int sessionId); 77881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void deleteTrackName_l(int name); 77981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; 78081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t idleSleepTimeUs() const; 78181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t suspendSleepTimeUs() const; 78281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 78381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 78481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 78581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 78681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 78781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 78881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 78981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // volumes last sent to audio HAL with stream->set_volume() 79081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mLeftVolFloat; 79181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent float mRightVolFloat; 79281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 793bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 794bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent audio_io_handle_t id, uint32_t device, ThreadBase::type_t type); 795bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void processVolume_l(Track *track, bool lastTrack); 796bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 79781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // prepareTracks_l() tells threadLoop_mix() the name of the single active track 79881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<Track> mActiveTrack; 79981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 80081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return false; } 80181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 80281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 803bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentclass OffloadThread : public DirectOutputThread { 804bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentpublic: 805bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 806bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent OffloadThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, 807bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent audio_io_handle_t id, uint32_t device); 8086a51d7ed7062536ccc892c8850a34ed55cbc8d5cEric Laurent virtual ~OffloadThread() {}; 809bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 810bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprotected: 811bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // threadLoop snippets 812bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove); 813bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void threadLoop_exit(); 814bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 815bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback(); 816bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool waitingAsyncCallback_l(); 817bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool shouldStandby_l(); 8184c6a433d74d5ae8b9bc0557207e3ced43bf34a25Haynes Mathew George virtual void onAddNewTrack_l(); 819bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 820bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprivate: 821bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void flushHw_l(); 822bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 823bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprivate: 824bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mHwPaused; 825bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent bool mFlushPending; 826bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mPausedWriteLength; // length in bytes of write interrupted by pause 827bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent size_t mPausedBytesRemaining; // bytes still waiting in mixbuffer after resume 828d7e59228caad3867794d847f6bf163c6495e9506Eric Laurent wp<Track> mPreviousTrack; // used to detect track switch 829bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent}; 830bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 831bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentclass AsyncCallbackThread : public Thread { 832bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentpublic: 833bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 8344de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent AsyncCallbackThread(const wp<PlaybackThread>& playbackThread); 835bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 836bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ~AsyncCallbackThread(); 837bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 838bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // Thread virtuals 839bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual bool threadLoop(); 840bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 841bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent // RefBase 842bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual void onFirstRef(); 843bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 844bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent void exit(); 8453b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void setWriteBlocked(uint32_t sequence); 8463b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetWriteBlocked(); 8473b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void setDraining(uint32_t sequence); 8483b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent void resetDraining(); 849bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 850bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurentprivate: 8514de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent const wp<PlaybackThread> mPlaybackThread; 8523b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mWriteAckSequence corresponds to the last write sequence passed by the offload thread via 8533b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // setWriteBlocked(). The sequence is shifted one bit to the left and the lsb is used 8543b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // to indicate that the callback has been received via resetWriteBlocked() 8554de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent uint32_t mWriteAckSequence; 8563b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // mDrainSequence corresponds to the last drain sequence passed by the offload thread via 8573b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // setDraining(). The sequence is shifted one bit to the left and the lsb is used 8583b4529e03c5fc7a44c22f9091ad15a269bfca3a8Eric Laurent // to indicate that the callback has been received via resetDraining() 8594de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent uint32_t mDrainSequence; 8604de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent Condition mWaitWorkCV; 8614de95592980dba88a35b3dc8f3fd045588387a4fEric Laurent Mutex mLock; 862bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent}; 863bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent 86481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentclass DuplicatingThread : public MixerThread { 86581784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 86681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent DuplicatingThread(const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread, 86781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id); 86881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~DuplicatingThread(); 86981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 87081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 87181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void addOutputTrack(MixerThread* thread); 87281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeOutputTrack(MixerThread* thread); 87381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t waitTimeMs() const { return mWaitTimeMs; } 87481784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 87581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t activeSleepTimeUs() const; 87681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 87781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 87881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent bool outputsReady(const SortedVector< sp<OutputTrack> > &outputTracks); 87981784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 88081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // threadLoop snippets 88181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_mix(); 88281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_sleepTime(); 883bfb1b832079bbb9426f72f3863199a54aefd02daEric Laurent virtual ssize_t threadLoop_write(); 88481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void threadLoop_standby(); 88581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void cacheParameters_l(); 88681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 88781784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 88881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // called from threadLoop, addOutputTrack, removeOutputTrack 88981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void updateWaitTime_l(); 89081784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprotected: 89181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void saveOutputTracks(); 89281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void clearOutputTracks(); 89381784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 89481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 89581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t mWaitTimeMs; 89681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<OutputTrack> > outputTracks; 89781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<OutputTrack> > mOutputTracks; 89881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 89981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool hasFastMixer() const { return false; } 90081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 90181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 90281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 90381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent// record thread 9046dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kastenclass RecordThread : public ThreadBase 90581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent{ 90681784c37c61b09289654b979567a42bf73cd2b12Eric Laurentpublic: 90781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9086dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten class RecordTrack; 9096dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten class ResamplerBufferProvider : public AudioBufferProvider 9106dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten // derives from AudioBufferProvider interface for use by resampler 9116dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten { 9126dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten public: 9136dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten ResamplerBufferProvider(RecordTrack* recordTrack) : mRecordTrack(recordTrack) { } 9146dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten virtual ~ResamplerBufferProvider() { } 9156dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten // AudioBufferProvider interface 9166dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts); 9176dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer); 9186dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten private: 9196dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten RecordTrack * const mRecordTrack; 9206dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten }; 9216dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten 92281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent#include "RecordTracks.h" 92381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 92481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent RecordThread(const sp<AudioFlinger>& audioFlinger, 92581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn *input, 92681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_io_handle_t id, 927d3922f72601d82c6fc067a98916fda0bd1291c5fEric Laurent audio_devices_t outDevice, 92846909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten audio_devices_t inDevice 92946909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#ifdef TEE_SINK 93046909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten , const sp<NBAIO_Sink>& teeSink 93146909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten#endif 93246909e7eb074ce1b95b8a411eb71154f53f84f77Glenn Kasten ); 93381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual ~RecordThread(); 93481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 93581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // no addTrack_l ? 93681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void destroyTrack_l(const sp<RecordTrack>& track); 93781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void removeTrack_l(const sp<RecordTrack>& track); 93881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 93981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpInternals(int fd, const Vector<String16>& args); 94081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dumpTracks(int fd, const Vector<String16>& args); 94181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 94281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Thread virtuals 94381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool threadLoop(); 94481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 94581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // RefBase 94681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void onFirstRef(); 94781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 94881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t initCheck() const { return (mInput == NULL) ? NO_INIT : NO_ERROR; } 949e198c360d5e75a9b2097844c495c10902e7e8500Glenn Kasten 95081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent sp<AudioFlinger::RecordThread::RecordTrack> createRecordTrack_l( 95181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<AudioFlinger::Client>& client, 95281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent uint32_t sampleRate, 95381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_format_t format, 95481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent audio_channel_mask_t channelMask, 95574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t *pFrameCount, 95681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int sessionId, 957462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid, 958ddb0ccf3fb6fe8da8c71a6deb30561b821f3c0a2Glenn Kasten IAudioFlinger::track_flags_t *flags, 95981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent pid_t tid, 9609156ef3e11b68cc4b6d3cea77f1f63673855a6d1Glenn Kasten status_t *status /*non-NULL*/); 96181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 96281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent status_t start(RecordTrack* recordTrack, 96381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioSystem::sync_event_t event, 96481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent int triggerSession); 96581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 96681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // ask the thread to stop the specified track, and 96781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // return true if the caller should then do it's part of the stopping process 968a8356f663014e7d4c27869629af83d8bb3441e19Glenn Kasten bool stop(RecordTrack* recordTrack); 96981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 97081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent void dump(int fd, const Vector<String16>& args); 97181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn* clearInput(); 97281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual audio_stream_t* stream() const; 97381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 97481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 97581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool checkForNewParameters_l(); 97681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual String8 getParameters(const String8& keys); 97781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual void audioConfigChanged_l(int event, int param = 0); 978deca2ae0a7cf8bc54ff3f30b7dc39bbc78b94c0dGlenn Kasten void readInputParameters_l(); 9795f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kasten virtual uint32_t getInputFramesLost(); 98081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 98181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t addEffectChain_l(const sp<EffectChain>& chain); 98281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual size_t removeEffectChain_l(const sp<EffectChain>& chain); 98381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual uint32_t hasAudioSession(int sessionId) const; 98481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 98581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Return the set of unique session IDs across all tracks. 98681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // The keys are the session IDs, and the associated values are meaningless. 98781784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // FIXME replace by Set [and implement Bag/Multiset for other uses]. 98881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent KeyedVector<int, bool> sessionIds() const; 98981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 99081784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual status_t setSyncEvent(const sp<SyncEvent>& event); 99181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent virtual bool isValidSyncEvent(const sp<SyncEvent>& event) const; 99281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 99381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent static void syncStartEventCallback(const wp<SyncEvent>& event); 99481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 9959b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten virtual size_t frameCount() const { return mFrameCount; } 99690e58b1fefc8caf70b34301a92bc86179580b6fcGlenn Kasten bool hasFastRecorder() const { return false; } 9979b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 99881784c37c61b09289654b979567a42bf73cd2b12Eric Laurentprivate: 99981784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Enter standby if not already in standby, and set mStandby flag 100093e471f620454f7de73d190521568b1e25879767Glenn Kasten void standbyIfNotAlreadyInStandby(); 100181784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 100281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // Call the HAL standby method unconditionally, and don't change mStandby flag 1003e198c360d5e75a9b2097844c495c10902e7e8500Glenn Kasten void inputStandBy(); 100481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent 100581784c37c61b09289654b979567a42bf73cd2b12Eric Laurent AudioStreamIn *mInput; 100681784c37c61b09289654b979567a42bf73cd2b12Eric Laurent SortedVector < sp<RecordTrack> > mTracks; 10072b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten // mActiveTracks has dual roles: it indicates the current active track(s), and 100881784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // is used together with mStartStopCond to indicate start()/stop() progress 10092b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten SortedVector< sp<RecordTrack> > mActiveTracks; 10102b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten // generation counter for mActiveTracks 10112b806406ac1ec680b6fe3aaa84c54bdc4e43ad8dGlenn Kasten int mActiveTracksGen; 101281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent Condition mStartStopCond; 10139b58f63e45ef2fdfb839b9b9bb3411d81eb96128Glenn Kasten 10148594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten // resampler converts input at HAL Hz to output at AudioRecord client Hz 10158594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten int16_t *mRsmpInBuffer; // see new[] for details on the size 10168594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten size_t mRsmpInFrames; // size of resampler input in frames 10178594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten size_t mRsmpInFramesP2;// size rounded up to a power-of-2 10186dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten 10196dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten // rolling index that is never cleared 10208594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten int32_t mRsmpInRear; // last filled frame + 1 10218594843c15b4722ced39436fe9e64f3e57e7ace4Glenn Kasten 102281784c37c61b09289654b979567a42bf73cd2b12Eric Laurent // For dumpsys 102381784c37c61b09289654b979567a42bf73cd2b12Eric Laurent const sp<NBAIO_Sink> mTeeSink; 102481784c37c61b09289654b979567a42bf73cd2b12Eric Laurent}; 1025