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rtpjitterbuffer: check some more for possible rtp timestamp discontinuity

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... when operating in non slave mode, and reset if detected.
This should avoid some (large) bogus outgoing timestamp due to jumps
in rtp time, as result of PAUSE/PLAY or seek or ...
This commit is contained in:
Mark Nauwelaerts 2011-08-18 14:12:21 +02:00
parent 8599801cae
commit 1e17e10f75
1 changed files with 16 additions and 0 deletions
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16
gst/rtpmanager/rtpjitterbuffer.c
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@ -634,6 +634,22 @@ rtp_jitter_buffer_insert (RTPJitterBuffer * jbuf, GstBuffer * buf,
}
rtptime = gst_rtp_buffer_get_timestamp (buf);
/* rtp time jumps are checked for during skew calculation, but bypassed
* in other mode, so mind those here and reset jb if needed */
if (jbuf->mode != RTP_JITTER_BUFFER_MODE_SLAVE &&
jbuf->base_time != -1 && jbuf->last_rtptime != -1) {
GstClockTime ext_rtptime = jbuf->ext_rtptime;
ext_rtptime = gst_rtp_buffer_ext_timestamp (&ext_rtptime, rtptime);
if (ext_rtptime > jbuf->last_rtptime + 3 * clock_rate ||
ext_rtptime + 3 * clock_rate < jbuf->last_rtptime) {
/* reset even if we don't have valid incoming time;
* still better than producing possibly very bogus output timestamp */
GST_WARNING ("rtp delta too big, reset skew");
rtp_jitter_buffer_reset_skew (jbuf);
}
}
switch (jbuf->mode) {
case RTP_JITTER_BUFFER_MODE_NONE:
case RTP_JITTER_BUFFER_MODE_BUFFER: