зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
2.5 KiB
C++
63 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef include_dom_media_ipc_RemoteMediaDataDecoder_h
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#define include_dom_media_ipc_RemoteMediaDataDecoder_h
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#include "PlatformDecoderModule.h"
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#include "MediaData.h"
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namespace mozilla {
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class RemoteDecoderChild;
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class RemoteDecoderManagerChild;
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class RemoteMediaDataDecoder;
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DDLoggedTypeCustomNameAndBase(RemoteMediaDataDecoder, RemoteMediaDataDecoder,
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MediaDataDecoder);
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// A MediaDataDecoder implementation that proxies through IPDL
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// to a 'real' decoder in the GPU or RDD process.
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// All requests get forwarded to a *DecoderChild instance that
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// operates solely on the provided manager and abstract manager threads.
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class RemoteMediaDataDecoder
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: public MediaDataDecoder,
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public DecoderDoctorLifeLogger<RemoteMediaDataDecoder> {
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public:
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explicit RemoteMediaDataDecoder(RemoteDecoderChild* aChild);
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// MediaDataDecoder
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RefPtr<InitPromise> Init() override;
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RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
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bool CanDecodeBatch() const override { return true; }
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RefPtr<DecodePromise> DecodeBatch(
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nsTArray<RefPtr<MediaRawData>>&& aSamples) override;
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RefPtr<DecodePromise> Drain() override;
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RefPtr<FlushPromise> Flush() override;
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RefPtr<ShutdownPromise> Shutdown() override;
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bool IsHardwareAccelerated(nsACString& aFailureReason) const override;
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void SetSeekThreshold(const media::TimeUnit& aTime) override;
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nsCString GetDescriptionName() const override;
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ConversionRequired NeedsConversion() const override;
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private:
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~RemoteMediaDataDecoder();
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// Only ever written to from the reader task queue (during the constructor and
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// destructor when we can guarantee no other threads are accessing it). Only
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// read from the manager thread.
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RefPtr<RemoteDecoderChild> mChild;
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// Only ever written/modified during decoder initialisation.
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// As such can be accessed from any threads after that.
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nsCString mDescription = "RemoteMediaDataDecoder"_ns;
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bool mIsHardwareAccelerated = false;
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nsCString mHardwareAcceleratedReason;
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ConversionRequired mConversion = ConversionRequired::kNeedNone;
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};
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} // namespace mozilla
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#endif // include_dom_media_ipc_RemoteMediaDataDecoder_h
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