CONTRAST_MAX      100 libavfilter/vf_procamp_vaapi.c     procamp_params[i].value  = map(ctx->contrast, CONTRAST_MIN, CONTRAST_MAX,
CONTRAST_MAX      205 libavfilter/vf_procamp_vaapi.c       OFFSET(contrast),  AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS },
CONTRAST_MAX      207 libavfilter/vf_procamp_vaapi.c       OFFSET(contrast),  AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS },