|
nbsp; return false; AVPicture pFrameYUV,pFrameBGR; avpicture_fill(&pFrameYUV,pYUV,AV_PIX_FMT_YUV420P,width,height); //U,V互换 uint8_t * ptmp=pFrameYUV.data[1]; pFrameYUV.data[1]=pFrameYUV.data[2]; pFrameYUV.data [2]=ptmp; avpicture_fill(&pFrameBGR,pBGR24,AV_PIX_FMT_BGR24,width,height); struct SwsContext* imgCtx = NULL; imgCtx = sws_getContext(width,height,AV_PIX_FMT_YUV420P,width,height,AV_PIX_FMT_BGR24,SWS_BILINEAR,0,0,0); if (imgCtx != NULL){ sws_scale(imgCtx,pFrameYUV.data,pFrameYUV.linesize,0,height,pFrameBGR.data,pFrameBGR.linesize); if(imgCtx){ sws_freeContext(imgCtx); imgCtx = NULL; } return true; } else{ sws_freeContext(imgCtx); imgCtx = NULL; return false; } }
注意这里ffmpeg会出现函数被否决,需要用新接口替换,也可以忽略这个警告,并且头文件需要用extern "C"包含
extern "C" { #include <libavcodec\avcodec.h> #include <libswscale\swscale.h> #include <libavutil\pixfmt.h> #include <libavutil\imgutils.h> } #pragma warning(disable: 4996)//忽略被否决的警告
|