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e818aefeaf
This ensures that if the MP4Reader fails to get a decoder owner, we don't abort the media load, but instead we will assume that we don't have an advanced layers backend, and so fallback to software decoding on Windows.
91 lines
2.5 KiB
C++
91 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(MP4Reader_h_)
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#define MP4Reader_h_
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#include "MediaDecoderReader.h"
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#include "nsAutoPtr.h"
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#include "PlatformDecoderModule.h"
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#include "mp4_demuxer/mp4_demuxer.h"
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#include "mp4_demuxer/box_definitions.h"
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#include <deque>
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namespace mozilla {
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namespace dom {
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class TimeRanges;
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}
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typedef std::deque<mp4_demuxer::MP4Sample*> MP4SampleQueue;
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class MP4Stream;
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class MP4Reader : public MediaDecoderReader
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{
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public:
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MP4Reader(AbstractMediaDecoder* aDecoder);
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virtual ~MP4Reader();
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virtual nsresult Init(MediaDecoderReader* aCloneDonor) MOZ_OVERRIDE;
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virtual bool DecodeAudioData() 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 bool HasAudio() MOZ_OVERRIDE;
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virtual bool HasVideo() MOZ_OVERRIDE;
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virtual nsresult ReadMetadata(MediaInfo* aInfo,
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MetadataTags** aTags) MOZ_OVERRIDE;
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virtual nsresult Seek(int64_t aTime,
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int64_t aStartTime,
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int64_t aEndTime,
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int64_t aCurrentTime) MOZ_OVERRIDE;
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virtual void OnDecodeThreadStart() MOZ_OVERRIDE;
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virtual void OnDecodeThreadFinish() MOZ_OVERRIDE;
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private:
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// Initializes mLayersBackendType if possible.
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void InitLayersBackendType();
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MP4SampleQueue& SampleQueue(mp4_demuxer::TrackType aTrack);
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// Blocks until the demuxer produces an sample of specified type.
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// Returns nullptr on error on EOS. Caller must delete sample.
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mp4_demuxer::MP4Sample* PopSample(mp4_demuxer::TrackType aTrack);
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bool Decode(mp4_demuxer::TrackType aTrack,
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nsAutoPtr<MediaData>& aOutData);
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MediaDataDecoder* Decoder(mp4_demuxer::TrackType aTrack);
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bool SkipVideoDemuxToNextKeyFrame(int64_t aTimeThreshold, uint32_t& parsed);
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nsAutoPtr<mp4_demuxer::MP4Demuxer> mDemuxer;
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nsAutoPtr<MP4Stream> mMP4Stream;
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nsAutoPtr<PlatformDecoderModule> mPlatform;
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nsAutoPtr<MediaDataDecoder> mVideoDecoder;
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nsAutoPtr<MediaDataDecoder> mAudioDecoder;
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MP4SampleQueue mCompressedAudioQueue;
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MP4SampleQueue mCompressedVideoQueue;
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layers::LayersBackend mLayersBackendType;
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bool mHasAudio;
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bool mHasVideo;
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};
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} // namespace mozilla
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#endif
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