SWR_DITHER_RECTANGULAR 37 libswresample/dither.c case SWR_DITHER_RECTANGULAR: v= ((double)seed) / UINT_MAX - 0.5; break; SWR_DITHER_RECTANGULAR 74 libswresample/options.c {"rectangular" , "select rectangular dither" , 0 , AV_OPT_TYPE_CONST, {.i64=SWR_DITHER_RECTANGULAR}, INT_MIN, INT_MAX , PARAM, "dither_method"},