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module-rtp: add framecount to the SDP

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Required for RAVENNA hardware.

Co-authored-by: Dewi Seignard <dewiweb@gmail.com>
This commit is contained in:
Dmitry Sharshakov 2023-12-16 19:01:26 +03:00 • committed by Wim Taymans
parent 8c4cfa57b6
commit 533161a766
2 changed files with 13 additions and 1 deletions
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9
src/modules/module-rtp-sap.c
View file

@ -183,6 +183,7 @@ struct sdp_info {
uint32_t channels;
float ptime;
uint32_t framecount;
uint32_t ts_offset;
char *ts_refclk;
@ -568,6 +569,10 @@ static int send_sap(struct impl *impl, struct session *sess, bool bye)
spa_strbuf_append(&buf,
"a=ptime:%.6g\n", sdp->ptime);
if (sdp->framecount > 0)
spa_strbuf_append(&buf,
"a=framecount:%u\n", sdp->framecount);
if (sdp->ts_refclk != NULL) {
spa_strbuf_append(&buf,
"a=ts-refclk:%s\n"
@ -691,6 +696,10 @@ static struct session *session_new_announce(struct impl *impl, struct node *node
if (!spa_atof(str, &sdp->ptime))
sdp->ptime = 0.0;
if ((str = pw_properties_get(props, "rtp.framecount")) != NULL)
if (!spa_atou32(str, &sdp->framecount))
sdp->framecount = 0;
if ((str = pw_properties_get(props, "rtp.media")) != NULL)
sdp->media_type = strdup(str);
if ((str = pw_properties_get(props, "rtp.mime")) != NULL)

5
src/modules/module-rtp/stream.c
View file

@ -421,10 +421,13 @@ struct rtp_stream *rtp_stream_new(struct pw_core *core,
} else {
impl->psamples = impl->mtu / impl->stride;
impl->psamples = SPA_CLAMP(impl->psamples, min_samples, max_samples);
if (direction == PW_DIRECTION_INPUT)
if (direction == PW_DIRECTION_INPUT) {
pw_properties_set(props, "rtp.ptime",
spa_dtoa(tmp, sizeof(tmp),
impl->psamples * 1000.0 / impl->rate));
pw_properties_setf(props, "rtp.framecount", "%u", impl->psamples);
}
}
latency_msec = pw_properties_get_uint32(props,
"sess.latency.msec", DEFAULT_SESS_LATENCY);