s->num_components = desc->nb_components;
s->descriptor = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) ? 51 : 50;
s->planar = !!(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
s->num_components = desc->nb_components;
s->descriptor = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) ? 51 : 50;
s->planar = !!(desc->flags & AV_PIX_FMT_FLAG_PLANAR);