gecko/content/media/omx/MediaOmxDecoder.h
Vasanthakumar Pandurangan bf1ea57aff Bug 976172 - Part 1 Changes in MediaOmxDecoder to enable audio offloading r=roc
This adds support in MediaOmxDecoder to dynamically switch between
MediaDecoderStateMachine and AudioOffloadPlayer
2014-04-08 20:59:07 +05:30

66 lines
2.1 KiB
C++
Executable File

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#if !defined(MediaOmxDecoder_h_)
#define MediaOmxDecoder_h_
#include "base/basictypes.h"
#include "MediaDecoder.h"
#include "MediaOmxReader.h"
#include "AudioOffloadPlayerBase.h"
namespace mozilla {
class MediaOmxDecoder : public MediaDecoder
{
typedef android::MediaSource MediaSource;
public:
MediaOmxDecoder();
virtual MediaDecoder* Clone();
virtual MediaDecoderStateMachine* CreateStateMachine();
virtual void MetadataLoaded(int aChannels,
int aRate,
bool aHasAudio,
bool aHasVideo,
MetadataTags* aTags);
virtual void ChangeState(PlayState aState);
virtual void ApplyStateToStateMachine(PlayState aState);
virtual void SetVolume(double aVolume);
virtual void PlaybackPositionChanged();
virtual void UpdateReadyStateForData();
virtual void SetElementVisibility(bool aIsVisible);
virtual void SetCanOffloadAudio(bool aCanOffloadAudio);
virtual void AddOutputStream(ProcessedMediaStream* aStream,
bool aFinishWhenEnded);
virtual void SetPlaybackRate(double aPlaybackRate);
void AudioOffloadTearDown();
int64_t GetSeekTime() { return mRequestedSeekTarget.mTime; }
void ResetSeekTime() { mRequestedSeekTarget.Reset(); }
private:
void PauseStateMachine();
void ResumeStateMachine();
MediaOmxReader* mReader;
// Offloaded audio track
android::sp<MediaSource> mAudioTrack;
nsAutoPtr<AudioOffloadPlayerBase> mAudioOffloadPlayer;
// Set by MediaOmxReader to denote current track can be offloaded
bool mCanOffloadAudio;
// Set when offload playback of current track fails in the middle and need to
// fallback to state machine
bool mFallbackToStateMachine;
};
} // namespace mozilla
#endif