audioflinger相关类图

ToneGenerator

startTone(); stopTone();getSessionId(); bool initAudioTrack();bool prepareWave(); void clearWaveGens();

AudioFlinger::RecordHandle(: public android::BnAudioRecord)

sp mRecordTrack;

stop_nonvirtual();start(); stop();

NBAIO_Port(: public RefBase)

bool mNegotiated; size_t mFrameSize;NBAIO_Format mFormat;

ssize_t negotiate();NBAIO_Format format();

TimedAudioTrack(: public AudioTrack)

status_t allocateTimedBuffer();status_t queueTimedBuffer();status_t setMediaTimeTransform();

AudioFlinger::AudioHwDevice

audio_module_handle_t mHandle;char* mModuleName；audio_hw_device_t * mHwDevice;

bool canSetMasterVolume();handle(); hwDevice();

AudioTrack(: public RefBase)

set(); latency(); start(); stop(); flush(); createTrack_l(); getTimestamp(); setSampleRate(); setLoop();reload(); getOutput();obtainBuffer(); releaseBuffer();

char * getServiceName(); status_t setPhoneState();audio_io_handle_t getOutput(); status_t getOutputForAttr();status_t startOutput(); initStreamVolume();

NBAIO_Sink(: public NBAIO_Port)

size_t mFramesWritten;

size_t framesWritten(); framesUnderrun();availableToWrite(); write(); WriteVia();

RecordThread(: public ThreadBase)

createRecordTrack_l(); start(); stop(); audioConfigChanged(); createAudioPath_l();addPatchRecord(); hasAudioSession();setSyncEvent(); frameCount(); inputStandBy();

AudioFlinger::TrackHandle(: public android::BnAudioTrack)

sp mTrack;

sp getCblk();start(); stop(); flush(); signal();

sp mSharedBuffer; bool mResetDone; audio_stream_type_t mStreamType;int16_t *mMainBuffer; int32_t *mAuxBuffer;AudioTrackServerProxy* mAudioTrackServerProxy;AudioTimestamp mPreviousTimestamp;

status_t start(); void pause(); uint32_t sampleRate();void setAuxBuffer(); void signal();

AudioFlinger::RecordThread(: public ThreadBase)

removeTrack_l(); initCheck(); readOnlyHeap();pipeMemory(); createRecordTrack_l(); start(); stop();audioConfigChanged(); createAudioPatch_l();addEffectChain_l(); hasAudioSession();

audio_track_cblk_t(AudioTrackShared.h)

NBAIO_Format

unsigned mSampleRate;unsigned mChannelCount;audio_format_t mFormat;size_t mFrameSize;

audio_hw_device_t (audio.h中audio_hw_device)

AudioCommand(: public RefBase)

int mCommand; nsecs_t mTime;status_t mStatus; sp mParam;

AudioTrack::AudioTrackThread(: public Thread)

Mutex mMyLock; Condition mMyCond;bool mPaused; nsecs_t mPausedNs;

requestExit();pause(); resume(); threadLoop();

PlaybackThread(: public ThreadBase)

mixer_state prepareTracks_l();writeCallback(); shouldStandby_l(); initCheck(); setStreamVolume();audioCOnfigChanged(); addPatchTrack(); suspendSleepTimeUs();usesHwAvSync(); broadcast_l();

AudioBufferProvider::Buffer

union { void * raw; short* i16; int8_t* i8;}size_t frameCount;

PlaybackThread::OutputTrack(: public Track)

vector mBufferQueue;AudioBufferProvider::Buffer mOutBuffer;bool mActive; DuplicatingThread* mSourceThread;AudioTrackClientProxy* mClientProxy;

start();stop();write();isActive();

AudioCommandThread(: public Thread)

Mutex mLock;Condition mWaitWorkCV;Vector sp mAudioCommands;ToneGenerator *mpToneGenerator; sp mLastCommand;wp mService;

startToneCommand(); status_t volumeCommand();stopOutputCommand(); sendCommand();

AudioFlinger::NotificationClient(: public IBinder::DeathRecipient)

sp mAudioFlinger;pid_t mPid;sp mAudioFlingerClient;

sp audioFlingerClient();void binderDied();

MemoryDealer( : public RefBase)

sp mHeap;SimpleBestFitAllocator * mAllocator;

virtual sp allocate();sp getMemoryHeap();

FastCapture( : public FastThread)

static FastCaptureState initial; FastCaptureState preIdle;NBAIO_Source *inputSource; int inputSourceGen;NBAIO_Sink *pipeSink; FastCaptureDumpState dummyDumpState;

FastThreadState *poll();void onIdle();void OnExit(); onWork();FastCaptureStateQueue* sq();

static char* getServiceName();virtual sp createTrack();virtual sp openRecord();sampleRate(); latency(); openOutput(); openInput(); setVoiceVolume(); setMode(); registerClient()； createEffect();

AudioResampler

AudioResampler* creat(); void init();void setSampleRate(); setVolume();setPTS();

AudioFlinger::Client(: public RefBase)

const sp mAudioFlinger;const sp mMemoryDealer;const pid_t mPid; Mutex mTimedTrackLock;int mTimedTrackCount;

sp heap();sp audioFlinger();pid_t pid();

AudioTrackClientProxy(: public ClientProxy)

void setSendLevel(); void setVolumeLR();void setSampleRate(); flush();bool clearStreamEndDone();getStreamEndDone();

NBAIO_Source(: public NBAIO_Port)

size_t framesRead(); framesOverrun();availableToRead(); read(); ReadVia();

AudioPolicyClient(: public AudioPolicyClientInferface)

AudioPolicyService *mAudioPolicyService;

loadHwModule(); openOutput(); openDuplicateOutput();closeOutput(); openInput(); setStreamVolume();startTone(); stopTone(); moveEffects();

audio_offload_info_t(Audio.h)

uint16_t version; uint16_t size; uint32_t sample_rate; audio_channel_mask_t channel_mask; audio_format_t format; audio_stream_type_t stream_type; uint32_t bit_rate; int64_t duration_us; bool has_video; bool is_streaming;

WaveGenerator

void getSamples();

AudioStreamIn

AudioHwDevice* audioHwDev;audio_stream_in_t* stream;

audio_hw_device_t* hwDev();

AudioFlinger::RecordTrack(: public TrackBase)

start(); stop(); destroy();clearOverflow(); clearOverflow();setOverflow();