gecko-dev/dom/media/fmp4/SharedDecoderManager.h

88 строки
2.5 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/. */
#ifndef SHARED_DECODER_MANAGER_H_
#define SHARED_DECODER_MANAGER_H_
#include "PlatformDecoderModule.h"
#include "mozilla/Monitor.h"
namespace mozilla
{
class MediaDataDecoder;
class SharedDecoderProxy;
class SharedDecoderCallback;
class SharedDecoderManager
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SharedDecoderManager)
SharedDecoderManager();
already_AddRefed<MediaDataDecoder> CreateVideoDecoder(
PlatformDecoderModule* aPDM,
const mp4_demuxer::VideoDecoderConfig& aConfig,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer,
FlushableMediaTaskQueue* aVideoTaskQueue,
MediaDataDecoderCallback* aCallback);
void SetReader(MediaDecoderReader* aReader);
void Select(SharedDecoderProxy* aProxy);
void SetIdle(MediaDataDecoder* aProxy);
void ReleaseMediaResources();
void Shutdown();
friend class SharedDecoderProxy;
friend class SharedDecoderCallback;
void DisableHardwareAcceleration();
bool Recreate(const mp4_demuxer::VideoDecoderConfig& aConfig);
private:
virtual ~SharedDecoderManager();
void DrainComplete();
nsRefPtr<PlatformDecoderModule> mPDM;
nsRefPtr<MediaDataDecoder> mDecoder;
layers::LayersBackend mLayersBackend;
nsRefPtr<layers::ImageContainer> mImageContainer;
nsRefPtr<FlushableMediaTaskQueue> mTaskQueue;
SharedDecoderProxy* mActiveProxy;
MediaDataDecoderCallback* mActiveCallback;
nsAutoPtr<MediaDataDecoderCallback> mCallback;
bool mWaitForInternalDrain;
Monitor mMonitor;
bool mDecoderReleasedResources;
};
class SharedDecoderProxy : public MediaDataDecoder
{
public:
SharedDecoderProxy(SharedDecoderManager* aManager,
MediaDataDecoderCallback* aCallback);
virtual ~SharedDecoderProxy();
virtual nsresult Init() override;
virtual nsresult Input(MediaRawData* aSample) override;
virtual nsresult Flush() override;
virtual nsresult Drain() override;
virtual nsresult Shutdown() override;
virtual bool IsWaitingMediaResources() override;
virtual bool IsHardwareAccelerated() const override;
friend class SharedDecoderManager;
private:
nsRefPtr<SharedDecoderManager> mManager;
MediaDataDecoderCallback* mCallback;
};
}
#endif