That hardcodes the number of pixel formats into lavfi and will break
when a shared lavu is updated, adding new pixel formats.
if ((c->pix_fmt = av_get_pix_fmt(c->pix_fmt_str)) == AV_PIX_FMT_NONE) {
char *tail;
c->pix_fmt = strtol(c->pix_fmt_str, &tail, 10);
- if (*tail || c->pix_fmt < 0 || c->pix_fmt >= AV_PIX_FMT_NB) {
+ if (*tail || c->pix_fmt < 0 || !av_pix_fmt_desc_get(c->pix_fmt)) {
av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", c->pix_fmt_str);
return AVERROR(EINVAL);
}