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			125 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	MIT License
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| 
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| 	Copyright (c) 2016 Błażej Szczygieł
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| 
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| 	Permission is hereby granted, free of charge, to any person obtaining a copy
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| 	of this software and associated documentation files (the "Software"), to deal
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| 	in the Software without restriction, including without limitation the rights
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| 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 	copies of the Software, and to permit persons to whom the Software is
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| 	furnished to do so, subject to the following conditions:
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| 
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| 	The above copyright notice and this permission notice shall be included in all
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| 	copies or substantial portions of the Software.
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| 
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| 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 	SOFTWARE.
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| */
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| 
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| #ifndef WEBMDEMUXER_HPP
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| #define WEBMDEMUXER_HPP
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| 
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| #include <stddef.h>
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| 
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| namespace mkvparser {
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| 	class IMkvReader;
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| 	class Segment;
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| 	class Cluster;
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| 	class Block;
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| 	class BlockEntry;
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| 	class VideoTrack;
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| 	class AudioTrack;
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| }
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| 
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| class WebMFrame
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| {
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| 	WebMFrame(const WebMFrame &);
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| 	void operator =(const WebMFrame &);
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| public:
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| 	WebMFrame();
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| 	~WebMFrame();
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| 
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| 	inline bool isValid() const
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| 	{
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| 		return bufferSize > 0;
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| 	}
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| 
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| 	long bufferSize, bufferCapacity;
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| 	unsigned char *buffer;
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| 	double time;
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| 	bool key;
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| };
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| 
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| class WebMDemuxer
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| {
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| 	WebMDemuxer(const WebMDemuxer &);
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| 	void operator =(const WebMDemuxer &);
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| public:
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| 	enum VIDEO_CODEC
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| 	{
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| 		NO_VIDEO,
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| 		VIDEO_VP8,
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| 		VIDEO_VP9
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| 	};
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| 	enum AUDIO_CODEC
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| 	{
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| 		NO_AUDIO,
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| 		AUDIO_VORBIS,
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| 		AUDIO_OPUS
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| 	};
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| 
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| 	WebMDemuxer(mkvparser::IMkvReader *reader, int videoTrack = 0, int audioTrack = 0);
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| 	~WebMDemuxer();
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| 
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| 	inline bool isOpen() const
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| 	{
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| 		return m_isOpen;
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| 	}
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| 	inline bool isEOS() const
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| 	{
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| 		return m_eos;
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| 	}
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| 
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| 	double getLength() const;
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| 
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| 	VIDEO_CODEC getVideoCodec() const;
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| 	int getWidth() const;
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| 	int getHeight() const;
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| 
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| 	AUDIO_CODEC getAudioCodec() const;
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| 	const unsigned char *getAudioExtradata(size_t &size) const; // Needed for Vorbis
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| 	double getSampleRate() const;
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| 	int getChannels() const;
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| 	int getAudioDepth() const;
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| 
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| 	bool readFrame(WebMFrame *videoFrame, WebMFrame *audioFrame);
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| 
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| private:
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| 	inline bool notSupportedTrackNumber(long videoTrackNumber, long audioTrackNumber) const;
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| 
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| 	mkvparser::IMkvReader *m_reader;
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| 	mkvparser::Segment *m_segment;
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| 
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| 	const mkvparser::Cluster *m_cluster;
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| 	const mkvparser::Block *m_block;
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| 	const mkvparser::BlockEntry *m_blockEntry;
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| 
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| 	int m_blockFrameIndex;
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| 
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| 	const mkvparser::VideoTrack *m_videoTrack;
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| 	VIDEO_CODEC m_vCodec;
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| 
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| 	const mkvparser::AudioTrack *m_audioTrack;
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| 	AUDIO_CODEC m_aCodec;
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| 
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| 	bool m_isOpen;
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| 	bool m_eos;
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| };
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| 
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| #endif // WEBMDEMUXER_HPP
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