payload_type,
payload_type, c->width, c->height);
break;
+ case AV_CODEC_ID_HEVC:
+ if (c->extradata_size)
+ av_log(NULL, AV_LOG_WARNING, "HEVC extradata not currently "
+ "passed properly through SDP\n");
+ av_strlcatf(buff, size, "a=rtpmap:%d H265/90000\r\n", payload_type);
+ break;
case AV_CODEC_ID_MPEG4:
if (c->extradata_size) {
config = extradata2config(c);
}
break;
case AV_CODEC_ID_OPUS:
- av_strlcatf(buff, size, "a=rtpmap:%d opus/48000\r\n",
+ /* The opus RTP draft says that all opus streams MUST be declared
+ as stereo, to avoid negotiation failures. The actual number of
+ channels can change on a packet-by-packet basis. The number of
+ channels a receiver prefers to receive or a sender plans to send
+ can be declared via fmtp parameters (both default to mono), but
+ receivers MUST be able to receive and process stereo packets. */
+ av_strlcatf(buff, size, "a=rtpmap:%d opus/48000/2\r\n",
payload_type);
+ if (c->channels == 2) {
+ av_strlcatf(buff, size, "a=fmtp:%d sprop-stereo:1\r\n",
+ payload_type);
+ }
break;
default:
/* Nothing special to do here... */