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

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2.4 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_dom_media_ipc_RemoteDecoderParent_h
#define include_dom_media_ipc_RemoteDecoderParent_h
#include "mozilla/PRemoteDecoderParent.h"
#include "mozilla/ShmemPool.h"
namespace mozilla {
class RemoteDecoderManagerParent;
using mozilla::ipc::IPCResult;
class RemoteDecoderParent : public PRemoteDecoderParent {
friend class PRemoteDecoderParent;
public:
// We refcount this class since the task queue can have runnables
// that reference us.
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteDecoderParent)
RemoteDecoderParent(RemoteDecoderManagerParent* aParent,
TaskQueue* aManagerTaskQueue,
TaskQueue* aDecodeTaskQueue);
void Destroy();
// PRemoteDecoderParent
IPCResult RecvInit(InitResolver&& aResolver);
IPCResult RecvDecode(nsTArray<MediaRawDataIPDL>&& aData,
DecodeResolver&& aResolver);
IPCResult RecvFlush(FlushResolver&& aResolver);
IPCResult RecvDrain(DrainResolver&& aResolver);
IPCResult RecvShutdown(ShutdownResolver&& aResolver);
IPCResult RecvSetSeekThreshold(const media::TimeUnit& aTime);
void ActorDestroy(ActorDestroyReason aWhy) override;
protected:
virtual ~RemoteDecoderParent();
bool OnManagerThread();
void Error(const MediaResult& aError);
virtual MediaResult ProcessDecodedData(
const MediaDataDecoder::DecodedData& aDatam,
DecodedOutputIPDL& aDecodedData) = 0;
ShmemBuffer AllocateBuffer(size_t aLength);
const RefPtr<RemoteDecoderManagerParent> mParent;
const RefPtr<TaskQueue> mDecodeTaskQueue;
RefPtr<MediaDataDecoder> mDecoder;
private:
void DecodeNextSample(nsTArray<MediaRawDataIPDL>&& aData,
DecodedOutputIPDL&& aOutput,
DecodeResolver&& aResolver);
void ReleaseBuffer(ShmemBuffer&& aBuffer);
void ReleaseUsedShmems();
RefPtr<RemoteDecoderParent> mIPDLSelfRef;
const RefPtr<TaskQueue> mManagerTaskQueue;
ShmemPool mDecodedFramePool;
AutoTArray<ShmemBuffer, 4> mUsedShmems;
};
} // namespace mozilla
#endif // include_dom_media_ipc_RemoteDecoderParent_h