зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
2.0 KiB
C++
55 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 GMPVideoDecoderProxy_h_
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#define GMPVideoDecoderProxy_h_
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#include "nsTArray.h"
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#include "gmp-video-decode.h"
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#include "gmp-video-frame-i420.h"
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#include "gmp-video-frame-encoded.h"
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#include "GMPCallbackBase.h"
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#include "GMPUtils.h"
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class GMPVideoDecoderCallbackProxy : public GMPCallbackBase,
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public GMPVideoDecoderCallback
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{
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public:
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virtual ~GMPVideoDecoderCallbackProxy() {}
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};
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// A proxy to GMPVideoDecoder in the child process.
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// GMPVideoDecoderParent exposes this to users the GMP.
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// This enables Gecko to pass nsTArrays to the child GMP and avoid
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// an extra copy when doing so.
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// The consumer must call Close() when done with the codec, or when
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// Terminated() is called by the GMP plugin indicating an abnormal shutdown
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// of the underlying plugin. After calling Close(), the consumer must
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// not access this again.
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// This interface is not thread-safe and must only be used from GMPThread.
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class GMPVideoDecoderProxy {
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public:
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virtual nsresult InitDecode(const GMPVideoCodec& aCodecSettings,
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const nsTArray<uint8_t>& aCodecSpecific,
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GMPVideoDecoderCallbackProxy* aCallback,
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int32_t aCoreCount) = 0;
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virtual nsresult Decode(mozilla::GMPUnique<GMPVideoEncodedFrame>::Ptr aInputFrame,
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bool aMissingFrames,
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const nsTArray<uint8_t>& aCodecSpecificInfo,
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int64_t aRenderTimeMs = -1) = 0;
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virtual nsresult Reset() = 0;
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virtual nsresult Drain() = 0;
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virtual const uint64_t ParentID() = 0;
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// Call to tell GMP/plugin the consumer will no longer use this
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// interface/codec.
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virtual void Close() = 0;
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};
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#endif
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