ALAC_HEADER       138 libavformat/cafdec.c         if ((ret = ff_alloc_extradata(st->codecpar, ALAC_HEADER)) < 0)
ALAC_HEADER       146 libavformat/cafdec.c             if (size < ALAC_PREAMBLE + ALAC_HEADER) {
ALAC_HEADER       151 libavformat/cafdec.c             if (avio_read(pb, st->codecpar->extradata, ALAC_HEADER) != ALAC_HEADER) {
ALAC_HEADER       156 libavformat/cafdec.c             avio_skip(pb, size - ALAC_PREAMBLE - ALAC_HEADER);