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81 lines
2 KiB
C++
81 lines
2 KiB
C++
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/*
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MIT License
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Copyright (c) 2016 Błażej Szczygieł
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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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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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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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#ifndef VPXDECODER_HPP
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#define VPXDECODER_HPP
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#include "WebMDemuxer.hpp"
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struct vpx_codec_ctx;
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class VPXDecoder
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{
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VPXDecoder(const VPXDecoder &);
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void operator =(const VPXDecoder &);
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public:
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class Image
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{
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public:
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#if 0
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int getWidth(int plane) const;
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int getHeight(int plane) const;
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#endif
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int w, h;
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int chromaShiftW, chromaShiftH;
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unsigned char *planes[3];
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int linesize[3];
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};
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enum IMAGE_ERROR
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{
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UNSUPPORTED_FRAME = -1,
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NO_ERROR,
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NO_FRAME
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};
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VPXDecoder(const WebMDemuxer &demuxer, unsigned threads = 1);
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~VPXDecoder();
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inline bool isOpen() const
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{
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return (bool)m_ctx;
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}
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inline int getFramesDelay() const
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{
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return m_delay;
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}
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bool decode(const WebMFrame &frame);
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IMAGE_ERROR getImage(Image &image); //The data is NOT copied! Only 3-plane, 8-bit images are supported.
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private:
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vpx_codec_ctx *m_ctx;
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const void *m_iter;
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int m_delay;
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};
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#endif // VPXDECODER_HPP
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