gecko/content/media/mediasource/MediaSourceDecoder.h

101 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef MOZILLA_MEDIASOURCEDECODER_H_
#define MOZILLA_MEDIASOURCEDECODER_H_
#include "MediaCache.h"
#include "MediaDecoder.h"
#include "mozilla/Attributes.h"
#include "mozilla/ReentrantMonitor.h"
#include "nsCOMPtr.h"
#include "nsError.h"
#include "nsStringGlue.h"
#include "nsTArray.h"
class nsIStreamListener;
namespace mozilla {
class MediaResource;
class MediaDecoderReader;
class MediaDecoderStateMachine;
class SubBufferDecoder;
class MediaSourceReader;
namespace dom {
class HTMLMediaElement;
class MediaSource;
} // namespace dom
class MediaSourceDecoder : public MediaDecoder
{
public:
MediaSourceDecoder(dom::HTMLMediaElement* aElement);
virtual MediaDecoder* Clone() MOZ_OVERRIDE;
virtual MediaDecoderStateMachine* CreateStateMachine() MOZ_OVERRIDE;
virtual nsresult Load(nsIStreamListener**, MediaDecoder*) MOZ_OVERRIDE;
virtual nsresult GetSeekable(dom::TimeRanges* aSeekable) MOZ_OVERRIDE;
static already_AddRefed<MediaResource> CreateResource();
void AttachMediaSource(dom::MediaSource* aMediaSource);
void DetachMediaSource();
SubBufferDecoder* CreateSubDecoder(const nsACString& aType);
const nsTArray<MediaDecoderReader*>& GetReaders()
{
ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
while (mReaders.Length() == 0) {
mon.Wait();
}
return mReaders;
}
void SetVideoReader(MediaDecoderReader* aReader)
{
MOZ_ASSERT(aReader && !mVideoReader);
mVideoReader = aReader;
}
void SetAudioReader(MediaDecoderReader* aReader)
{
MOZ_ASSERT(aReader && !mAudioReader);
mAudioReader = aReader;
}
MediaDecoderReader* GetVideoReader()
{
return mVideoReader;
}
MediaDecoderReader* GetAudioReader()
{
return mAudioReader;
}
// Returns the duration in seconds as provided by the attached MediaSource.
// If no MediaSource is attached, returns the duration tracked by the decoder.
double GetMediaSourceDuration();
private:
dom::MediaSource* mMediaSource;
nsTArray<nsRefPtr<SubBufferDecoder> > mDecoders;
nsTArray<MediaDecoderReader*> mReaders; // Readers owned by Decoders.
MediaDecoderReader* mVideoReader;
MediaDecoderReader* mAudioReader;
};
} // namespace mozilla
#endif /* MOZILLA_MEDIASOURCEDECODER_H_ */