gecko-dev/dom/media/webaudio/BufferDecoder.h

60 строки
1.8 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 BUFFER_DECODER_H_
#define BUFFER_DECODER_H_
#include "mozilla/Attributes.h"
#include "mozilla/ReentrantMonitor.h"
#include "mozilla/TaskQueue.h"
#include "AbstractMediaDecoder.h"
namespace mozilla {
/**
* This class provides a decoder object which decodes a media file that lives in
* a memory buffer.
*/
class BufferDecoder final : public AbstractMediaDecoder
{
public:
// This class holds a weak pointer to MediaResource. It's the responsibility
// of the caller to manage the memory of the MediaResource object.
explicit BufferDecoder(MediaResource* aResource,
AbstractThread* aMainThread,
GMPCrashHelper* aCrashHelper);
NS_DECL_THREADSAFE_ISUPPORTS
// This has to be called before decoding begins
void BeginDecoding(TaskQueue* aTaskQueueIdentity);
MediaResource* GetResource() const final override;
void NotifyDecodedFrames(const FrameStatisticsData& aStats) final override;
VideoFrameContainer* GetVideoFrameContainer() final override;
layers::ImageContainer* GetImageContainer() final override;
MediaDecoderOwner* GetOwner() const final override;
already_AddRefed<GMPCrashHelper> GetCrashHelper() override;
AbstractThread* AbstractMainThread() const final override;
private:
virtual ~BufferDecoder();
RefPtr<TaskQueue> mTaskQueueIdentity;
RefPtr<MediaResource> mResource;
const RefPtr<AbstractThread> mAbstractMainThread;
RefPtr<GMPCrashHelper> mCrashHelper;
};
} // namespace mozilla
#endif /* BUFFER_DECODER_H_ */