-static int rtp_parse_mp4_au(RTPDemuxContext *s, const uint8_t *buf)
-{
- int au_headers_length, au_header_size, i;
- GetBitContext getbitcontext;
- RTPPayloadData *infos;
-
- infos = s->rtp_payload_data;
-
- if (infos == NULL)
- return -1;
-
- /* decode the first 2 bytes where the AUHeader sections are stored
- length in bits */
- au_headers_length = AV_RB16(buf);
-
- if (au_headers_length > RTP_MAX_PACKET_LENGTH)
- return -1;
-
- infos->au_headers_length_bytes = (au_headers_length + 7) / 8;
-
- /* skip AU headers length section (2 bytes) */
- buf += 2;
-
- init_get_bits(&getbitcontext, buf, infos->au_headers_length_bytes * 8);
-
- /* XXX: Wrong if optionnal additional sections are present (cts, dts etc...) */
- au_header_size = infos->sizelength + infos->indexlength;
- if (au_header_size <= 0 || (au_headers_length % au_header_size != 0))
- return -1;
-
- infos->nb_au_headers = au_headers_length / au_header_size;
- infos->au_headers = av_malloc(sizeof(struct AUHeaders) * infos->nb_au_headers);
-
- /* XXX: We handle multiple AU Section as only one (need to fix this for interleaving)
- In my test, the FAAD decoder does not behave correctly when sending each AU one by one
- but does when sending the whole as one big packet... */
- infos->au_headers[0].size = 0;
- infos->au_headers[0].index = 0;
- for (i = 0; i < infos->nb_au_headers; ++i) {
- infos->au_headers[0].size += get_bits_long(&getbitcontext, infos->sizelength);
- infos->au_headers[0].index = get_bits_long(&getbitcontext, infos->indexlength);
- }
-
- infos->nb_au_headers = 1;
-
- return 0;
-}
-