VideoConverterFfmpeg 117 libmedia/ffmpeg/VideoConverterFfmpeg.cpp VideoConverterFfmpeg::VideoConverterFfmpeg(ImgBuf::Type4CC srcFormat, ImgBuf::Type4CC dstFormat) VideoConverterFfmpeg 126 libmedia/ffmpeg/VideoConverterFfmpeg.cpp VideoConverterFfmpeg::~VideoConverterFfmpeg()