rdt_parse_packet (AVFormatContext *ctx, PayloadContext *rdt, AVStream *st, AVPacket *pkt, uint32_t *timestamp, const uint8_t *buf, int len, uint16_t rtp_seq, int flags) { int seq = 1, res; AVIOContext pb; if (!rdt->rmctx) return AVERROR(EINVAL); if (rdt->audio_pkt_cnt == 0) { int pos; ffio_init_context(&pb, buf, len, 0, NULL, NULL, NULL, NULL); flags = (flags & RTP_FLAG_KEY) ? 2 : 0; res = ff_rm_parse_packet (rdt->rmctx, &pb, st, rdt->rmst[st->index], len, pkt, &seq, flags, *timestamp); pos = avio_tell(&pb); if (res < 0) return res; if (res > 0) { if (st->codec->codec_id == AV_CODEC_ID_AAC) { memcpy (rdt->buffer, buf + pos, len - pos); rdt->rmctx->pb = avio_alloc_context (rdt->buffer, len - pos, 0, NULL, NULL, NULL, NULL); } goto get_cache; } } else { get_cache: rdt->audio_pkt_cnt = ff_rm_retrieve_cache (rdt->rmctx, rdt->rmctx->pb, st, rdt->rmst[st->index], pkt); if (rdt->audio_pkt_cnt == 0 && st->codec->codec_id == AV_CODEC_ID_AAC) av_freep(&rdt->rmctx->pb); } pkt->stream_index = st->index; pkt->pts = *timestamp; return rdt->audio_pkt_cnt > 0; }