av_match_list    1393 libavcodec/utils.c     if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) {
av_match_list     311 libavformat/utils.c     if (ic->format_whitelist && av_match_list(ic->iformat->name, ic->format_whitelist, ',') <= 0) {
av_match_list     428 libavformat/utils.c     if (s->format_whitelist && av_match_list(s->iformat->name, s->format_whitelist, ',') <= 0) {
av_match_list     365 libavutil/avstring.h int av_match_list(const char *name, const char *list, char separator);