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jitterbuffer: handle position query

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This commit is contained in:
Mark Nauwelaerts 2011-03-09 16:51:00 +01:00
parent c622477a92
commit 6bc1aa0e59
1 changed files with 29 additions and 0 deletions
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29
gst/rtpmanager/gstrtpjitterbuffer.c
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@ -2129,6 +2129,35 @@ gst_rtp_jitter_buffer_query (GstPad * pad, GstQuery * query)
}
break;
}
case GST_QUERY_POSITION:
{
GstClockTime start, last_out;
GstFormat fmt;
gst_query_parse_position (query, &fmt, NULL);
if (fmt != GST_FORMAT_TIME) {
res = gst_pad_query_default (pad, query);
break;
}
JBUF_LOCK (priv);
start = priv->npt_start;
last_out = priv->last_out_time;
JBUF_UNLOCK (priv);
GST_DEBUG_OBJECT (jitterbuffer, "npt start %" GST_TIME_FORMAT
", last out %" GST_TIME_FORMAT, GST_TIME_ARGS (start),
GST_TIME_ARGS (last_out));
if (GST_CLOCK_TIME_IS_VALID (start) && GST_CLOCK_TIME_IS_VALID (last_out)) {
/* bring 0-based outgoing time to stream time */
gst_query_set_position (query, GST_FORMAT_TIME, start + last_out);
res = TRUE;
} else {
res = gst_pad_query_default (pad, query);
}
break;
}
default:
res = gst_pad_query_default (pad, query);
break;