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basertppay: use RTP base time when invalid timestamps

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When we have an invalid running-time (because we clipped, for example) use the
RTP base time for timestamping instead of generating wrong RTP timestamps.
This commit is contained in:
Wim Taymans 2010-12-20 18:29:15 +01:00
parent bc63334503
commit d51ff7e4eb
1 changed files with 12 additions and 8 deletions
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20
gst-libs/gst/rtp/gstbasertppayload.c
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@ -787,12 +787,16 @@ gst_basertppayload_prepare_push (GstBaseRTPPayload * payload,
rtime = gst_segment_to_running_time (&payload->segment, GST_FORMAT_TIME,
data.timestamp);
GST_LOG_OBJECT (payload,
"Using running_time %" GST_TIME_FORMAT " for RTP timestamp",
GST_TIME_ARGS (rtime));
rtime = gst_util_uint64_scale_int (rtime, payload->clock_rate, GST_SECOND);
if (rtime == -1) {
GST_LOG_OBJECT (payload, "Clipped timestamp, using base RTP timestamp");
rtime = 0;
} else {
GST_LOG_OBJECT (payload,
"Using running_time %" GST_TIME_FORMAT " for RTP timestamp",
GST_TIME_ARGS (rtime));
rtime =
gst_util_uint64_scale_int (rtime, payload->clock_rate, GST_SECOND);
}
/* add running_time in clock-rate units to the base timestamp */
data.rtptime = payload->ts_base + rtime;
} else {
@ -820,8 +824,8 @@ gst_basertppayload_prepare_push (GstBaseRTPPayload * payload,
GST_BUFFER_SIZE (GST_BUFFER (obj)), payload->seqnum, data.rtptime,
GST_TIME_ARGS (data.timestamp));
if (g_atomic_int_compare_and_exchange (&payload->priv->
notified_first_timestamp, 1, 0)) {
if (g_atomic_int_compare_and_exchange (&payload->
priv->notified_first_timestamp, 1, 0)) {
g_object_notify (G_OBJECT (payload), "timestamp");
g_object_notify (G_OBJECT (payload), "seqnum");
}