AV_CLASS_CATEGORY_SWRESAMPLER   73 libavutil/log.c     [16+AV_CLASS_CATEGORY_SWRESAMPLER     ] =  7,
AV_CLASS_CATEGORY_SWRESAMPLER  104 libavutil/log.c     [16+AV_CLASS_CATEGORY_SWRESAMPLER     ] = 147 << 8 | 0x14,
AV_CLASS_CATEGORY_SWRESAMPLER  140 libswresample/options.c     .category                  = AV_CLASS_CATEGORY_SWRESAMPLER,