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-rw-r--r--libavformat/rtpdec.c7
-rw-r--r--libavformat/rtpenc.c19
-rw-r--r--libavformat/sdp.c4
3 files changed, 30 insertions, 0 deletions
diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
index 0f4e1d1d86..dac367dd86 100644
--- a/libavformat/rtpdec.c
+++ b/libavformat/rtpdec.c
@@ -55,6 +55,12 @@ static RTPDynamicProtocolHandler speex_dynamic_handler = {
.codec_id = AV_CODEC_ID_SPEEX,
};
+static RTPDynamicProtocolHandler opus_dynamic_handler = {
+ .enc_name = "opus",
+ .codec_type = AVMEDIA_TYPE_AUDIO,
+ .codec_id = AV_CODEC_ID_OPUS,
+};
+
/* statistics functions */
static RTPDynamicProtocolHandler *RTPFirstDynamicPayloadHandler= NULL;
@@ -85,6 +91,7 @@ void av_register_rtp_dynamic_payload_handlers(void)
ff_register_dynamic_payload_handler(&ff_qcelp_dynamic_handler);
ff_register_dynamic_payload_handler(&realmedia_mp3_dynamic_handler);
ff_register_dynamic_payload_handler(&speex_dynamic_handler);
+ ff_register_dynamic_payload_handler(&opus_dynamic_handler);
ff_register_dynamic_payload_handler(&ff_ms_rtp_asf_pfv_handler);
ff_register_dynamic_payload_handler(&ff_ms_rtp_asf_pfa_handler);
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index 36064ed610..b17c4651b6 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -77,6 +77,7 @@ static int is_supported(enum AVCodecID id)
case AV_CODEC_ID_ILBC:
case AV_CODEC_ID_MJPEG:
case AV_CODEC_ID_SPEEX:
+ case AV_CODEC_ID_OPUS:
return 1;
default:
return 0;
@@ -186,6 +187,16 @@ static int rtp_write_header(AVFormatContext *s1)
* 8000, even if the sample rate is 16000. See RFC 3551. */
avpriv_set_pts_info(st, 32, 1, 8000);
break;
+ case AV_CODEC_ID_OPUS:
+ if (st->codec->channels > 2) {
+ av_log(s1, AV_LOG_ERROR, "Multistream opus not supported in RTP\n");
+ goto fail;
+ }
+ /* The opus RTP RFC says that all opus streams should use 48000 Hz
+ * as clock rate, since all opus sample rates can be expressed in
+ * this clock rate, and sample rate changes on the fly are supported. */
+ avpriv_set_pts_info(st, 32, 1, 48000);
+ break;
case AV_CODEC_ID_ILBC:
if (st->codec->block_align != 38 && st->codec->block_align != 50) {
av_log(s1, AV_LOG_ERROR, "Incorrect iLBC block size specified\n");
@@ -525,6 +536,14 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
case AV_CODEC_ID_MJPEG:
ff_rtp_send_jpeg(s1, pkt->data, size);
break;
+ case AV_CODEC_ID_OPUS:
+ if (size > s->max_payload_size) {
+ av_log(s1, AV_LOG_ERROR,
+ "Packet size %d too large for max RTP payload size %d\n",
+ size, s->max_payload_size);
+ return AVERROR(EINVAL);
+ }
+ /* Intentional fallthrough */
default:
/* better than nothing : send the codec raw data */
rtp_send_raw(s1, pkt->data, size);
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 91de413dc6..0f7eb2f00d 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -576,6 +576,10 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
av_strlcatf(buff, size, "a=rtpmap:%d speex/%d\r\n",
payload_type, c->sample_rate);
break;
+ case AV_CODEC_ID_OPUS:
+ av_strlcatf(buff, size, "a=rtpmap:%d opus/48000\r\n",
+ payload_type);
+ break;
default:
/* Nothing special to do here... */
break;