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rtspsrc: Only enable retransmissions if there is retransmission info in the SDP

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Otherwise we're going to send early RTCP and NACKs in non-feedback sessions
too, which will confuse servers.

https://bugzilla.gnome.org/show_bug.cgi?id=748627
This commit is contained in:
Sebastian Dröge 2015-04-29 15:52:27 +02:00
parent ebbefbb792
commit 33693525b9
1 changed files with 25 additions and 7 deletions
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32
gst/rtsp/gstrtspsrc.c
View file

@ -3200,6 +3200,7 @@ add_retransmission (GstRTSPSrc * src, GstRTSPTransport * transport)
{
GList *walk;
guint signal_id;
gboolean do_retransmission = FALSE;
if (transport->trans != GST_RTSP_TRANS_RTP)
return;
@ -3218,6 +3219,7 @@ add_retransmission (GstRTSPSrc * src, GstRTSPTransport * transport)
/* build the retransmission payload type map */
for (walk = src->streams; walk; walk = g_list_next (walk)) {
GstRTSPStream *stream = (GstRTSPStream *) walk->data;
gboolean do_retransmission_stream = FALSE;
int i;
if (stream->rtx_pt_map)
@ -3241,21 +3243,37 @@ add_retransmission (GstRTSPSrc * src, GstRTSPTransport * transport)
if (rtx_pt != 0) {
gst_structure_set (stream->rtx_pt_map, stream_pt_s, G_TYPE_UINT,
rtx_pt, NULL);
do_retransmission_stream = TRUE;
}
}
}
}
GST_DEBUG_OBJECT (src, "built retransmission payload map for stream "
"id %i: %" GST_PTR_FORMAT, stream->id, stream->rtx_pt_map);
if (do_retransmission_stream) {
GST_DEBUG_OBJECT (src, "built retransmission payload map for stream "
"id %i: %" GST_PTR_FORMAT, stream->id, stream->rtx_pt_map);
do_retransmission = TRUE;
} else {
GST_DEBUG_OBJECT (src, "no retransmission payload map for stream "
"id %i", stream->id);
gst_structure_free (stream->rtx_pt_map);
stream->rtx_pt_map = NULL;
}
}
g_object_set (src->manager, "do-retransmission", TRUE, NULL);
if (do_retransmission) {
GST_DEBUG_OBJECT (src, "Enabling retransmissions");
/* enable RFC4588 retransmission handling by setting rtprtxreceive
* as the "aux" element of rtpbin */
g_signal_connect (src->manager, "request-aux-receiver",
(GCallback) request_aux_receiver, src);
g_object_set (src->manager, "do-retransmission", TRUE, NULL);
/* enable RFC4588 retransmission handling by setting rtprtxreceive
* as the "aux" element of rtpbin */
g_signal_connect (src->manager, "request-aux-receiver",
(GCallback) request_aux_receiver, src);
} else {
GST_DEBUG_OBJECT (src,
"Not enabling retransmissions as no stream had a retransmission payload map");
}
}
/* try to get and configure a manager */