gecko-dev/dom/media/raw/RawReader.h

64 строки
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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(RawReader_h_)
#define RawReader_h_
#include "MediaDecoderReader.h"
#include "RawStructs.h"
namespace mozilla {
class RawReader : public MediaDecoderReader
{
public:
explicit RawReader(AbstractMediaDecoder* aDecoder);
protected:
~RawReader();
public:
virtual nsresult Init(MediaDecoderReader* aCloneDonor) MOZ_OVERRIDE;
virtual nsresult ResetDecode() MOZ_OVERRIDE;
virtual bool DecodeAudioData() MOZ_OVERRIDE;
virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
int64_t aTimeThreshold) MOZ_OVERRIDE;
virtual bool HasAudio() MOZ_OVERRIDE
{
return false;
}
virtual bool HasVideo() MOZ_OVERRIDE
{
return true;
}
virtual nsresult ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags) MOZ_OVERRIDE;
virtual nsRefPtr<SeekPromise>
Seek(int64_t aTime, int64_t aEndTime) MOZ_OVERRIDE;
virtual nsresult GetBuffered(dom::TimeRanges* aBuffered) MOZ_OVERRIDE;
virtual bool IsMediaSeekable() MOZ_OVERRIDE;
private:
bool ReadFromResource(MediaResource *aResource, uint8_t *aBuf, uint32_t aLength);
nsresult SeekInternal(int64_t aTime);
RawVideoHeader mMetadata;
uint32_t mCurrentFrame;
double mFrameRate;
uint32_t mFrameSize;
nsIntRect mPicture;
};
} // namespace mozilla
#endif