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/* -*- 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_RemoteMediaDataDecoder_h
#define include_dom_media_ipc_RemoteMediaDataDecoder_h
#include "MediaData.h"
#include "PlatformDecoderModule.h"
#include "mozilla/EnumeratedArray.h"
namespace mozilla {
class RemoteDecoderChild;
class RemoteDecoderManagerChild;
class RemoteMediaDataDecoder;
DDLoggedTypeCustomNameAndBase(RemoteMediaDataDecoder, RemoteMediaDataDecoder,
MediaDataDecoder);
// A MediaDataDecoder implementation that proxies through IPDL
// to a 'real' decoder in the GPU or RDD process.
// All requests get forwarded to a *DecoderChild instance that
// operates solely on the provided manager and abstract manager threads.
class RemoteMediaDataDecoder final
: public MediaDataDecoder,
public DecoderDoctorLifeLogger<RemoteMediaDataDecoder> {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteMediaDataDecoder, final);
explicit RemoteMediaDataDecoder(RemoteDecoderChild* aChild);
// MediaDataDecoder
RefPtr<InitPromise> Init() override;
RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
bool CanDecodeBatch() const override { return true; }
RefPtr<DecodePromise> DecodeBatch(
nsTArray<RefPtr<MediaRawData>>&& aSamples) override;
RefPtr<DecodePromise> Drain() override;
RefPtr<FlushPromise> Flush() override;
RefPtr<ShutdownPromise> Shutdown() override;
bool IsHardwareAccelerated(nsACString& aFailureReason) const override;
void SetSeekThreshold(const media::TimeUnit& aTime) override;
nsCString GetDescriptionName() const override;
nsCString GetProcessName() const override;
nsCString GetCodecName() const override;
ConversionRequired NeedsConversion() const override;
Maybe<PropertyValue> GetDecodeProperty(PropertyName aName) const override;
bool ShouldDecoderAlwaysBeRecycled() const override;
private:
~RemoteMediaDataDecoder();
// Only ever written to from the reader task queue (during the constructor and
// destructor when we can guarantee no other threads are accessing it). Only
// read from the manager thread.
RefPtr<RemoteDecoderChild> mChild;
mutable Mutex mMutex{"RemoteMediaDataDecoder"};
// Only ever written/modified during decoder initialisation.
nsCString mDescription MOZ_GUARDED_BY(mMutex);
nsCString mProcessName MOZ_GUARDED_BY(mMutex);
nsCString mCodecName MOZ_GUARDED_BY(mMutex);
bool mIsHardwareAccelerated MOZ_GUARDED_BY(mMutex);
nsCString mHardwareAcceleratedReason MOZ_GUARDED_BY(mMutex);
ConversionRequired mConversion MOZ_GUARDED_BY(mMutex);
bool mShouldDecoderAlwaysBeRecycled MOZ_GUARDED_BY(mMutex);
EnumeratedArray<PropertyName, Maybe<PropertyValue>, sPropertyNameCount>
mDecodeProperties MOZ_GUARDED_BY(mMutex);
};
} // namespace mozilla
#endif // include_dom_media_ipc_RemoteMediaDataDecoder_h
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