44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
|
#include"FrameConvert.h"
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#include<libavutil/imgutils.h>
|
||
|
|
}
|
||
|
|
|
||
|
|
FrameConvert::FrameConvert(SwsContext *sc,enum AVPixelFormat dst,enum AVPixelFormat src,const uint32_t w,const uint32_t h)
|
||
|
|
{
|
||
|
|
ctx=sc;
|
||
|
|
|
||
|
|
dst_fmt=dst;
|
||
|
|
src_fmt=src;
|
||
|
|
|
||
|
|
width=w;
|
||
|
|
height=h;
|
||
|
|
|
||
|
|
av_image_alloc(dst_data,dst_linesize,w,h,dst,1);
|
||
|
|
}
|
||
|
|
|
||
|
|
FrameConvert::~FrameConvert()
|
||
|
|
{
|
||
|
|
av_freep(&dst_data[0]);
|
||
|
|
sws_freeContext(ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
void FrameConvert::Convert(const FrameData &src_data,const FrameLinesize &src_linesize)
|
||
|
|
{
|
||
|
|
sws_scale( ctx,
|
||
|
|
src_data,src_linesize,
|
||
|
|
0,height,
|
||
|
|
dst_data,dst_linesize);
|
||
|
|
}
|
||
|
|
|
||
|
|
FrameConvert *InitFrameConvert(enum AVPixelFormat dst,enum AVPixelFormat src,const uint32_t w,const uint32_t h)
|
||
|
|
{
|
||
|
|
SwsContext *sc=sws_getContext( w,h,src,
|
||
|
|
w,h,dst,
|
||
|
|
SWS_FAST_BILINEAR,
|
||
|
|
nullptr,nullptr,nullptr);
|
||
|
|
|
||
|
|
if(!sc)return(nullptr);
|
||
|
|
|
||
|
|
return(new FrameConvert(sc,dst,src,w,h));
|
||
|
|
}
|