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92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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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#if !defined(IntelWebMVideoDecoder_h_)
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#define IntelWebMVideoDecoder_h_
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#include <stdint.h>
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#include "WebMReader.h"
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#include "nsAutoPtr.h"
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#include "PlatformDecoderModule.h"
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#include "mozilla/Monitor.h"
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#include "mp4_demuxer/mp4_demuxer.h"
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#include "mp4_demuxer/DecoderData.h"
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class MediaTaskQueue;
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namespace mozilla {
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class VP8Sample;
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typedef std::deque<VP8Sample*> VP8SampleQueue;
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class IntelWebMVideoDecoder : public WebMVideoDecoder, public MediaDataDecoderCallback
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{
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public:
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static WebMVideoDecoder* Create(WebMReader* aReader);
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virtual nsresult Init(unsigned int aWidth, unsigned int aHeight) MOZ_OVERRIDE;
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virtual nsresult Flush() MOZ_OVERRIDE;
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virtual void Shutdown() MOZ_OVERRIDE;
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virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
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int64_t aTimeThreshold) MOZ_OVERRIDE;
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virtual void Output(MediaData* aSample) MOZ_OVERRIDE;
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virtual void DrainComplete() MOZ_OVERRIDE;
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virtual void InputExhausted() MOZ_OVERRIDE;
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virtual void Error() MOZ_OVERRIDE;
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IntelWebMVideoDecoder(WebMReader* aReader);
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~IntelWebMVideoDecoder();
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private:
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void InitLayersBackendType();
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bool Decode();
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bool Demux(nsAutoPtr<VP8Sample>& aSample, bool* aEOS);
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bool SkipVideoDemuxToNextKeyFrame(int64_t aTimeThreshold, uint32_t& parsed);
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bool IsSupportedVideoMimeType(const char* aMimeType);
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VP8Sample* PopSample();
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nsRefPtr<WebMReader> mReader;
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nsRefPtr<PlatformDecoderModule> mPlatform;
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nsRefPtr<MediaDataDecoder> mMediaDataDecoder;
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// TaskQueue on which decoder can choose to decode.
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// Only non-null up until the decoder is created.
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nsRefPtr<FlushableMediaTaskQueue> mTaskQueue;
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// Monitor that protects all non-threadsafe state; the primitives
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// that follow.
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Monitor mMonitor;
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nsAutoPtr<mp4_demuxer::VideoDecoderConfig> mDecoderConfig;
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VP8SampleQueue mSampleQueue;
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nsAutoPtr<VP8Sample> mQueuedVideoSample;
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uint64_t mNumSamplesInput;
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uint64_t mNumSamplesOutput;
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uint64_t mLastReportedNumDecodedFrames;
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uint32_t mDecodeAhead;
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// Whether this stream exists in the media.
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bool mInputExhausted;
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bool mDrainComplete;
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bool mError;
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bool mEOS;
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bool mIsFlushing;
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};
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} // namespace mozilla
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#endif
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