AV_CLASS_CATEGORY_SWRESAMPLER   79 libavutil/log.c     [16+AV_CLASS_CATEGORY_SWRESAMPLER     ] =  7,
AV_CLASS_CATEGORY_SWRESAMPLER  111 libavutil/log.c     [16+AV_CLASS_CATEGORY_SWRESAMPLER     ] = 147 << 8 | 0x14,
AV_CLASS_CATEGORY_SWRESAMPLER  141 libswresample/options.c     .category                  = AV_CLASS_CATEGORY_SWRESAMPLER,