fourcc_to_ffmpeg  120 libmedia/ffmpeg/VideoConverterFfmpeg.cpp      if(fourcc_to_ffmpeg(_dst_fmt) == PIX_FMT_NONE) {
fourcc_to_ffmpeg  140 libmedia/ffmpeg/VideoConverterFfmpeg.cpp     PixelFormat dst_pixFmt = fourcc_to_ffmpeg(_dst_fmt);