gecko-dev/dom/media/ipc/VideoDecoderParent.h

70 строки
2.2 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 include_ipc_VideoDecoderParent_h
#define include_ipc_VideoDecoderParent_h
#include "ImageContainer.h"
#include "MediaData.h"
#include "PlatformDecoderModule.h"
#include "VideoDecoderManagerParent.h"
#include "mozilla/MozPromise.h"
#include "mozilla/PVideoDecoderParent.h"
#include "mozilla/layers/TextureForwarder.h"
namespace mozilla {
class KnowsCompositorVideo;
using mozilla::ipc::IPCResult;
class VideoDecoderParent final : public PVideoDecoderParent {
friend class PVideoDecoderParent;
public:
// We refcount this class since the task queue can have runnables
// that reference us.
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoDecoderParent)
VideoDecoderParent(VideoDecoderManagerParent* aParent,
const VideoInfo& aVideoInfo, float aFramerate,
const CreateDecoderParams::OptionSet& aOptions,
const layers::TextureFactoryIdentifier& aIdentifier,
TaskQueue* aManagerTaskQueue, TaskQueue* aDecodeTaskQueue,
bool* aSuccess, nsCString* aErrorDescription);
void Destroy();
// PVideoDecoderParent
IPCResult RecvInit();
IPCResult RecvInput(const MediaRawDataIPDL& aData);
IPCResult RecvFlush();
IPCResult RecvDrain();
IPCResult RecvShutdown();
IPCResult RecvSetSeekThreshold(const media::TimeUnit& aTime);
void ActorDestroy(ActorDestroyReason aWhy) override;
private:
bool OnManagerThread();
void Error(const MediaResult& aError);
~VideoDecoderParent();
void ProcessDecodedData(MediaDataDecoder::DecodedData&& aData);
RefPtr<VideoDecoderManagerParent> mParent;
RefPtr<VideoDecoderParent> mIPDLSelfRef;
RefPtr<TaskQueue> mManagerTaskQueue;
RefPtr<TaskQueue> mDecodeTaskQueue;
RefPtr<MediaDataDecoder> mDecoder;
RefPtr<KnowsCompositorVideo> mKnowsCompositor;
// Can only be accessed from the manager thread
bool mDestroyed;
};
} // namespace mozilla
#endif // include_ipc_VideoDecoderParent_h