43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
#include"FrameConvert.h"
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extern "C"
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{
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#include<libavutil/imgutils.h>
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}
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FrameConvert::FrameConvert(SwsContext *sc,enum AVPixelFormat dst,enum AVPixelFormat src,const Size2u &src_size)
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{
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ctx=sc;
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dst_fmt=dst;
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src_fmt=src;
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frame_size=src_size;
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av_image_alloc(dst_data,dst_linesize,frame_size.width,frame_size.height,dst,1);
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}
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FrameConvert::~FrameConvert()
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{
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av_freep(&dst_data[0]);
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sws_freeContext(ctx);
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}
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void FrameConvert::Convert(const FrameData &src_data,const FrameLinesize &src_linesize)
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{
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sws_scale( ctx,
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src_data,src_linesize,
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0,frame_size.height,
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dst_data,dst_linesize);
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}
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FrameConvert *InitFrameConvert(enum AVPixelFormat dst,enum AVPixelFormat src,const Size2u &src_size)
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{
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SwsContext *sc=sws_getContext( src_size.width,src_size.height,src,
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src_size.width,src_size.height,dst,
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SWS_SPLINE,
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nullptr,nullptr,nullptr);
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if(!sc)return(nullptr);
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return(new FrameConvert(sc,dst,src,src_size));
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} |