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monoscope: Forward the SEGMENT event from the chain function

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Otherwise we'll break the event order and forward the SEGMENT event
before sending a CAPS event.
This commit is contained in:
Sebastian Dröge 2018-02-18 21:38:13 +01:00
parent d64ae7b01a
commit a65a7ec05b
2 changed files with 14 additions and 1 deletions
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14
gst/monoscope/gstmonoscope.c
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@ -163,6 +163,7 @@ gst_monoscope_reset (GstMonoscope * monoscope)
gst_adapter_clear (monoscope->adapter);
gst_segment_init (&monoscope->segment, GST_FORMAT_UNDEFINED);
monoscope->segment_pending = FALSE;
GST_OBJECT_LOCK (monoscope);
monoscope->proportion = 1.0;
@ -345,6 +346,12 @@ gst_monoscope_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
goto out;
}
if (monoscope->segment_pending) {
gst_pad_push_event (monoscope->srcpad,
gst_event_new_segment (&monoscope->segment));
monoscope->segment_pending = FALSE;
}
/* don't try to combine samples from discont buffer */
if (GST_BUFFER_FLAG_IS_SET (inbuf, GST_BUFFER_FLAG_DISCONT)) {
gst_adapter_clear (monoscope->adapter);
@ -470,7 +477,12 @@ gst_monoscope_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
* we can do QoS */
gst_event_copy_segment (event, &monoscope->segment);
res = gst_pad_push_event (monoscope->srcpad, event);
/* We forward the event from the chain function after caps are
* negotiated. Otherwise we would potentially break the event order and
* send the segment event before the caps event */
monoscope->segment_pending = TRUE;
gst_event_unref (event);
res = TRUE;
break;
}
case GST_EVENT_CAPS:

1
gst/monoscope/gstmonoscope.h
View file

@ -54,6 +54,7 @@ struct _GstMonoscope
GstBufferPool *pool;
GstSegment segment;
gboolean segment_pending;
/* QoS stuff *//* with LOCK */
gdouble proportion;