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rtpjitterbuffer/rtpbin: relax dropping rtcp packets

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... to at least having it trigger a/v synchronization, possibly without
using provided values which are still not considered sane
(as previously dropped).
This commit is contained in:
Mark Nauwelaerts 2011-08-24 14:37:52 +02:00
parent adfe7d0467
commit 77ebd33991
2 changed files with 19 additions and 2 deletions
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13
gst/rtpmanager/gstrtpbin.c
View file

@ -1052,6 +1052,19 @@ gst_rtp_bin_associate (GstRtpBin * bin, GstRtpBinStream * stream, guint8 len,
stream->ssrc, client, client->cname);
}
if (!GST_CLOCK_TIME_IS_VALID (last_extrtptime)) {
GST_DEBUG_OBJECT (bin, "invalidated sync data");
if (bin->rtcp_sync == GST_RTP_BIN_RTCP_SYNC_RTP) {
/* we don't need that data, so carry on,
* but make some values look saner */
last_extrtptime = base_rtptime;
} else {
/* nothing we can do with this data in this case */
GST_DEBUG_OBJECT (bin, "bailing out");
return;
}
}
/* Take the extended rtptime we found in the SR packet and map it to the
* local rtptime. The local rtp time is used to construct timestamps on the
* buffers so we will calculate what running_time corresponds to the RTP

8
gst/rtpmanager/gstrtpjitterbuffer.c
View file

@ -2032,8 +2032,12 @@ gst_rtp_jitter_buffer_chain_rtcp (GstPad * pad, GstBuffer * buffer)
diff = ext_rtptime - last_rtptime;
/* if bigger than 1 second, we drop it */
if (diff > clock_rate) {
GST_DEBUG_OBJECT (jitterbuffer, "dropping, too far ahead");
drop = TRUE;
GST_DEBUG_OBJECT (jitterbuffer, "too far ahead");
/* should drop this, but some RTSP servers end up with bogus
* way too ahead RTCP packet when repeated PAUSE/PLAY,
* so still trigger rptbin sync but invalidate RTCP data
* (sync might use other methods) */
ext_rtptime = -1;
}
GST_DEBUG_OBJECT (jitterbuffer, "ext last %" G_GUINT64_FORMAT ", diff %"
G_GUINT64_FORMAT, last_rtptime, diff);