gecko/dom/media/fmp4/SharedDecoderManager.h
Joe Olivas ca455e0705 Bug 922314 - Add support for decoding VPx via MediaFoundation on Windows. r=cpearce,kinetik
Refactor WebMReader's VPx decoding out to SoftwareWebMVideoDecoder and introduce a new IntelWebMVideoDecoder that uses the MediaFoundation/MFT backend to decode VPx when the requisite hardware and software is available.
2014-11-11 16:30:52 +13:00

78 lines
2.2 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(
const mp4_demuxer::VideoDecoderConfig& aConfig,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer, MediaTaskQueue* aVideoTaskQueue,
MediaDataDecoderCallback* aCallback);
void SetReader(MediaDecoderReader* aReader);
void Select(SharedDecoderProxy* aProxy);
void SetIdle(MediaDataDecoder* aProxy);
friend class SharedDecoderProxy;
friend class SharedDecoderCallback;
private:
virtual ~SharedDecoderManager();
void DrainComplete();
nsRefPtr<MediaDataDecoder> mDecoder;
SharedDecoderProxy* mActiveProxy;
MediaDataDecoderCallback* mActiveCallback;
nsAutoPtr<MediaDataDecoderCallback> mCallback;
bool mWaitForInternalDrain;
Monitor mMonitor;
};
class SharedDecoderProxy : public MediaDataDecoder
{
public:
SharedDecoderProxy(SharedDecoderManager* aManager,
MediaDataDecoderCallback* aCallback);
virtual ~SharedDecoderProxy();
virtual nsresult Init() MOZ_OVERRIDE;
virtual nsresult Input(mp4_demuxer::MP4Sample* aSample) MOZ_OVERRIDE;
virtual nsresult Flush() MOZ_OVERRIDE;
virtual nsresult Drain() MOZ_OVERRIDE;
virtual nsresult Shutdown() MOZ_OVERRIDE;
virtual bool IsWaitingMediaResources() MOZ_OVERRIDE;
virtual bool IsDormantNeeded() MOZ_OVERRIDE;
virtual void ReleaseMediaResources() MOZ_OVERRIDE;
virtual void ReleaseDecoder() MOZ_OVERRIDE;
friend class SharedDecoderManager;
private:
nsRefPtr<SharedDecoderManager> mManager;
MediaDataDecoderCallback* mCallback;
};
}
#endif