AV_CLASS_CATEGORY_SWSCALER   78 libavutil/log.c     [16+AV_CLASS_CATEGORY_SWSCALER        ] =  7,
AV_CLASS_CATEGORY_SWSCALER  110 libavutil/log.c     [16+AV_CLASS_CATEGORY_SWSCALER        ] = 153 << 8 | 0x14,
AV_CLASS_CATEGORY_SWSCALER   91 libswscale/options.c     .category   = AV_CLASS_CATEGORY_SWSCALER,