41 lines
842 B
C++
41 lines
842 B
C++
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#include "main.h"
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#include "VideoDataConverter.h"
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#include <cassert>
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class YV12Converter : public VideoDataConverter
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{
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public:
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YV12Converter(int w, int h)
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: width(w), height(h)
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{
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yv12.y.rowBytes = width;
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yv12.v.rowBytes = width / 2;
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yv12.u.rowBytes = width / 2;
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vOffset = width*height;
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uOffset = width*height/4;
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}
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void *Convert(void *videoData)
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{
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yv12.y.baseAddr = (unsigned char*)videoData;
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yv12.v.baseAddr = yv12.y.baseAddr + vOffset;
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yv12.u.baseAddr = yv12.v.baseAddr + uOffset;
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return (void *)&yv12;
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}
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int width, height;
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int vOffset, uOffset;
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YV12_PLANES yv12;
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};
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VideoDataConverter *MakeConverter(VideoOutputStream *stream)
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{
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switch (stream->FourCC())
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{
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case '21VY':
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return new YV12Converter(stream->DestinationWidth(), stream->DestinationHeight());
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default:
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return new VideoDataConverter;
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}
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}
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