sws_getContext    523 libavcodec/imgresample.c struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat,
sws_getContext   2182 libswscale/swscale.c SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags,