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aggregator: Query latency on first incoming buffer.

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And keep on querying upstream until we get a reply.

Also, the _get_latency_unlocked() method required being calld
with a private lock, so removed the _unlocked() variant from the API.
And it now returns GST_CLOCK_TIME_NONE when the element is not live as
we think that 0 upstream latency is possible.

https://bugzilla.gnome.org/show_bug.cgi?id=745768
This commit is contained in:
Olivier Crête 2015-03-06 21:12:52 -05:00
parent 9a73ffcef3
commit 26d3057d98
1 changed files with 4 additions and 2 deletions
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6
gst-libs/gst/video/gstvideoaggregator.c
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@ -880,9 +880,11 @@ gst_videoaggregator_update_qos (GstVideoAggregator * vagg, gdouble proportion,
GST_TIME_FORMAT, proportion, (diff < 0) ? "-" : "",
GST_TIME_ARGS (ABS (diff)), GST_TIME_ARGS (timestamp));
live =
GST_CLOCK_TIME_IS_VALID (gst_aggregator_get_latency (GST_AGGREGATOR
(vagg)));
GST_OBJECT_LOCK (vagg);
gst_aggregator_get_latency_unlocked (GST_AGGREGATOR (vagg), &live, NULL,
NULL);
vagg->priv->proportion = proportion;
if (G_LIKELY (timestamp != GST_CLOCK_TIME_NONE)) {