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rtpjitterbuffer: Calculate DTS from the clock if we had none for the first packet after a reset

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=749536
This commit is contained in:
Sebastian Dröge 2015-07-08 19:59:13 +03:00
parent ddd032f56b
commit 6e7c724afa
1 changed files with 22 additions and 0 deletions
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22
gst/rtpmanager/gstrtpjitterbuffer.c
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@ -2586,6 +2586,28 @@ gst_rtp_jitter_buffer_chain (GstPad * pad, GstObject * parent,
}
} else {
GST_DEBUG_OBJECT (jitterbuffer, "First buffer #%d", seqnum);
/* If we have no DTS here, i.e. no capture time, get one from the
* clock now to have something to calculate with in the future.
*/
if (dts == GST_CLOCK_TIME_NONE) {
GstClock *clock = gst_element_get_clock (GST_ELEMENT_CAST (jitterbuffer));
if (clock) {
GstClockTime base_time =
gst_element_get_base_time (GST_ELEMENT_CAST (jitterbuffer));
GstClockTime clock_time = gst_clock_get_time (clock);
if (clock_time > base_time)
dts = clock_time - base_time;
else
dts = 0;
pts = dts;
gst_object_unref (clock);
}
}
/* we don't know what the next_in_seqnum should be, wait for the last
* possible moment to push this buffer, maybe we get an earlier seqnum
* while we wait */