gecko/dom/media/omx/MediaOmxReader.h

126 lines
3.5 KiB
C++

/* -*- 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(MediaOmxReader_h_)
#define MediaOmxReader_h_
#include "MediaOmxCommonReader.h"
#include "MediaResource.h"
#include "MediaDecoderReader.h"
#include "nsMimeTypes.h"
#include "MP3FrameParser.h"
#include "nsRect.h"
#include <ui/GraphicBuffer.h>
#include <stagefright/MediaSource.h>
namespace android {
class OmxDecoder;
class MOZ_EXPORT MediaExtractor;
}
namespace mozilla {
namespace dom {
class TimeRanges;
}
class AbstractMediaDecoder;
class MediaOmxReader : public MediaOmxCommonReader
{
// This flag protect the mIsShutdown variable, that may access by decoder / main / IO thread.
Mutex mMutex;
nsCString mType;
bool mHasVideo;
bool mHasAudio;
nsIntRect mPicture;
nsIntSize mInitialFrame;
int64_t mVideoSeekTimeUs;
int64_t mAudioSeekTimeUs;
int64_t mLastParserDuration;
int32_t mSkipCount;
bool mUseParserDuration;
bool mIsShutdown;
protected:
android::sp<android::OmxDecoder> mOmxDecoder;
android::sp<android::MediaExtractor> mExtractor;
MP3FrameParser mMP3FrameParser;
// A cache value updated by UpdateIsWaitingMediaResources(), makes the
// "waiting resources state" is synchronous to StateMachine.
bool mIsWaitingResources;
// Called by ReadMetadata() during MediaDecoderStateMachine::DecodeMetadata()
// on decode thread. It create and initialize the OMX decoder including
// setting up custom extractor. The extractor provide the essential
// information used for creating OMX decoder such as video/audio codec.
virtual nsresult InitOmxDecoder();
// Called inside DecodeVideoFrame, DecodeAudioData, ReadMetadata and Seek
// to activate the decoder automatically.
virtual void EnsureActive();
// Check the underlying HW resources are available and store the result in
// mIsWaitingResources. The result might be changed by binder thread,
// Can only called by ReadMetadata.
void UpdateIsWaitingMediaResources();
public:
MediaOmxReader(AbstractMediaDecoder* aDecoder);
~MediaOmxReader();
virtual nsresult Init(MediaDecoderReader* aCloneDonor);
virtual void NotifyDataArrived(const char* aBuffer, uint32_t aLength, int64_t aOffset);
virtual bool DecodeAudioData();
virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
int64_t aTimeThreshold);
virtual bool HasAudio()
{
return mHasAudio;
}
virtual bool HasVideo()
{
return mHasVideo;
}
// Return mIsWaitingResources.
virtual bool IsWaitingMediaResources() MOZ_OVERRIDE;
virtual bool IsDormantNeeded();
virtual void ReleaseMediaResources();
virtual void PreReadMetadata() MOZ_OVERRIDE;
virtual nsresult ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags);
virtual void Seek(int64_t aTime, int64_t aStartTime, int64_t aEndTime, int64_t aCurrentTime);
virtual bool IsMediaSeekable() MOZ_OVERRIDE;
virtual void SetIdle() MOZ_OVERRIDE;
virtual void Shutdown() MOZ_OVERRIDE;
bool IsShutdown() {
MutexAutoLock lock(mMutex);
return mIsShutdown;
}
void ReleaseDecoder();
int64_t ProcessCachedData(int64_t aOffset, bool aWaitForCompletion);
void CancelProcessCachedData();
android::sp<android::MediaSource> GetAudioOffloadTrack();
};
} // namespace mozilla
#endif