44 lines
1.0 KiB
C++
44 lines
1.0 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 uint32_t w,const uint32_t h)
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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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width=w;
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height=h;
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av_image_alloc(dst_data,dst_linesize,w,h,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,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 uint32_t w,const uint32_t h)
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{
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SwsContext *sc=sws_getContext( w,h,src,
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w,h,dst,
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SWS_FAST_BILINEAR,
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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,w,h));
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} |