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* Copyright (C) 2010 The Android Open Source Project
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <media/AudioResamplerPublic.h>
#include <media/AVSyncSettings.h>
#include "NuPlayer.h"
namespace android {
struct ABuffer;
class AWakeLock;
struct MediaClock;
struct VideoFrameScheduler;
struct NuPlayer::Renderer : public AHandler {
enum Flags {
Renderer(const sp<MediaPlayerBase::AudioSink> &sink,
const sp<AMessage> &notify,
uint32_t flags = 0);
static size_t AudioSinkCallback(
MediaPlayerBase::AudioSink *audioSink,
void *data, size_t size, void *me,
MediaPlayerBase::AudioSink::cb_event_t event);
void queueBuffer(
bool audio,
const sp<ABuffer> &buffer,
const sp<AMessage> &notifyConsumed);
void queueEOS(bool audio, status_t finalResult);
status_t setPlaybackSettings(const AudioPlaybackRate &rate /* sanitized */);
status_t getPlaybackSettings(AudioPlaybackRate *rate /* nonnull */);
status_t setSyncSettings(const AVSyncSettings &sync, float videoFpsHint);
status_t getSyncSettings(AVSyncSettings *sync /* nonnull */, float *videoFps /* nonnull */);
void flush(bool audio, bool notifyComplete);
void signalTimeDiscontinuity();
void signalAudioSinkChanged();
void signalDisableOffloadAudio();
void signalEnableOffloadAudio();
void pause();
void resume();
void setVideoFrameRate(float fps);
status_t getCurrentPosition(int64_t *mediaUs);
int64_t getVideoLateByUs();
status_t openAudioSink(
const sp<AMessage> &format,
bool offloadOnly,
bool hasVideo,
uint32_t flags,
bool *isOffloaded);
void closeAudioSink();
enum {
kWhatEOS = 'eos ',
kWhatFlushComplete = 'fluC',
kWhatPosition = 'posi',
kWhatVideoRenderingStart = 'vdrd',
kWhatMediaRenderingStart = 'mdrd',
kWhatAudioTearDown = 'adTD',
kWhatAudioOffloadPauseTimeout = 'aOPT',
enum AudioTearDownReason {
kDueToError = 0, // Could restart with either offload or non-offload.
kForceNonOffload, // Restart only with non-offload.
virtual ~Renderer();
virtual void onMessageReceived(const sp<AMessage> &msg);
enum {
kWhatDrainAudioQueue = 'draA',
kWhatDrainVideoQueue = 'draV',
kWhatPostDrainVideoQueue = 'pDVQ',
kWhatQueueBuffer = 'queB',
kWhatQueueEOS = 'qEOS',
kWhatConfigPlayback = 'cfPB',
kWhatConfigSync = 'cfSy',
kWhatGetPlaybackSettings = 'gPbS',
kWhatGetSyncSettings = 'gSyS',
kWhatFlush = 'flus',
kWhatPause = 'paus',
kWhatResume = 'resm',
kWhatOpenAudioSink = 'opnA',
kWhatCloseAudioSink = 'clsA',
kWhatStopAudioSink = 'stpA',
kWhatDisableOffloadAudio = 'noOA',
kWhatEnableOffloadAudio = 'enOA',
kWhatSetVideoFrameRate = 'sVFR',
struct QueueEntry {
sp<ABuffer> mBuffer;
sp<AMessage> mNotifyConsumed;
size_t mOffset;
status_t mFinalResult;
int32_t mBufferOrdinal;
static const int64_t kMinPositionUpdateDelayUs;
sp<MediaPlayerBase::AudioSink> mAudioSink;
bool mUseVirtualAudioSink;
sp<AMessage> mNotify;
Mutex mLock;
uint32_t mFlags;
List<QueueEntry> mAudioQueue;
List<QueueEntry> mVideoQueue;
uint32_t mNumFramesWritten;
sp<VideoFrameScheduler> mVideoScheduler;
bool mDrainAudioQueuePending;
bool mDrainVideoQueuePending;
int32_t mAudioQueueGeneration;
int32_t mVideoQueueGeneration;
int32_t mAudioDrainGeneration;
int32_t mVideoDrainGeneration;
int32_t mAudioEOSGeneration;
sp<MediaClock> mMediaClock;
float mPlaybackRate; // audio track rate
AudioPlaybackRate mPlaybackSettings;
AVSyncSettings mSyncSettings;
float mVideoFpsHint;
int64_t mAudioFirstAnchorTimeMediaUs;
int64_t mAnchorTimeMediaUs;
int64_t mAnchorNumFramesWritten;
int64_t mVideoLateByUs;
bool mHasAudio;
bool mHasVideo;
bool mNotifyCompleteAudio;
bool mNotifyCompleteVideo;
bool mSyncQueues;
// modified on only renderer's thread.
bool mPaused;
int64_t mPauseDrainAudioAllowedUs; // time when we can drain/deliver audio in pause mode.
bool mVideoSampleReceived;
bool mVideoRenderingStarted;
int32_t mVideoRenderingStartGeneration;
int32_t mAudioRenderingStartGeneration;
bool mRenderingDataDelivered;
int64_t mNextAudioClockUpdateTimeUs;
// the media timestamp of last audio sample right before EOS.
int64_t mLastAudioMediaTimeUs;
int32_t mAudioOffloadPauseTimeoutGeneration;
bool mAudioTornDown;
audio_offload_info_t mCurrentOffloadInfo;
struct PcmInfo {
audio_channel_mask_t mChannelMask;
audio_output_flags_t mFlags;
audio_format_t mFormat;
int32_t mNumChannels;
int32_t mSampleRate;
PcmInfo mCurrentPcmInfo;
int32_t mTotalBuffersQueued;
int32_t mLastAudioBufferDrained;
bool mUseAudioCallback;
sp<AWakeLock> mWakeLock;
status_t getCurrentPositionOnLooper(int64_t *mediaUs);
status_t getCurrentPositionOnLooper(
int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
bool getCurrentPositionIfPaused_l(int64_t *mediaUs);
status_t getCurrentPositionFromAnchor(
int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
size_t fillAudioBuffer(void *buffer, size_t size);
bool onDrainAudioQueue();
void drainAudioQueueUntilLastEOS();
int64_t getPendingAudioPlayoutDurationUs(int64_t nowUs);
void postDrainAudioQueue_l(int64_t delayUs = 0);
void clearAnchorTime_l();
void clearAudioFirstAnchorTime_l();
void setAudioFirstAnchorTimeIfNeeded_l(int64_t mediaUs);
void setVideoLateByUs(int64_t lateUs);
void onNewAudioMediaTime(int64_t mediaTimeUs);
int64_t getRealTimeUs(int64_t mediaTimeUs, int64_t nowUs);
void onDrainVideoQueue();
void postDrainVideoQueue();
void prepareForMediaRenderingStart_l();
void notifyIfMediaRenderingStarted_l();
void onQueueBuffer(const sp<AMessage> &msg);
void onQueueEOS(const sp<AMessage> &msg);
void onFlush(const sp<AMessage> &msg);
void onAudioSinkChanged();
void onDisableOffloadAudio();
void onEnableOffloadAudio();
status_t onConfigPlayback(const AudioPlaybackRate &rate /* sanitized */);
status_t onGetPlaybackSettings(AudioPlaybackRate *rate /* nonnull */);
status_t onConfigSync(const AVSyncSettings &sync, float videoFpsHint);
status_t onGetSyncSettings(AVSyncSettings *sync /* nonnull */, float *videoFps /* nonnull */);
void onPause();
void onResume();
void onSetVideoFrameRate(float fps);
int32_t getQueueGeneration(bool audio);
int32_t getDrainGeneration(bool audio);
bool getSyncQueues();
void onAudioTearDown(AudioTearDownReason reason);
status_t onOpenAudioSink(
const sp<AMessage> &format,
bool offloadOnly,
bool hasVideo,
uint32_t flags);
void onCloseAudioSink();
void notifyEOS(bool audio, status_t finalResult, int64_t delayUs = 0);
void notifyFlushComplete(bool audio);
void notifyPosition();
void notifyVideoLateBy(int64_t lateByUs);
void notifyVideoRenderingStart();
void notifyAudioTearDown(AudioTearDownReason reason);
void flushQueue(List<QueueEntry> *queue);
bool dropBufferIfStale(bool audio, const sp<AMessage> &msg);
void syncQueuesDone_l();
bool offloadingAudio() const { return (mFlags & FLAG_OFFLOAD_AUDIO) != 0; }
void startAudioOffloadPauseTimeout();
void cancelAudioOffloadPauseTimeout();
int64_t getDurationUsIfPlayedAtSampleRate(uint32_t numFrames);
} // namespace android