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audiolatency: Drop incoming downstream stick events

Browse source 
stream-start, caps, and segment events will be pushed by internal
audiotestsrc element.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2265>
This commit is contained in:
Seungha Yang 2021-05-20 15:39:39 +09:00
parent 3bd600741c
commit 1f743c8d84
1 changed files with 22 additions and 0 deletions
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22
gst/audiolatency/gstaudiolatency.c
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@ -98,6 +98,8 @@ static gint64 gst_audiolatency_get_latency (GstAudioLatency * self);
static gint64 gst_audiolatency_get_average_latency (GstAudioLatency * self);
static GstFlowReturn gst_audiolatency_sink_chain (GstPad * pad,
GstObject * parent, GstBuffer * buffer);
static gboolean gst_audiolatency_sink_event (GstPad * pad,
GstObject * parent, GstEvent * event);
static GstPadProbeReturn gst_audiolatency_src_probe (GstPad * pad,
GstPadProbeInfo * info, gpointer user_data);
@ -186,6 +188,9 @@ gst_audiolatency_init (GstAudioLatency * self)
self->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
gst_pad_set_chain_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_audiolatency_sink_chain));
gst_pad_set_event_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_audiolatency_sink_event));
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
/* Setup srcpad */
@ -423,6 +428,23 @@ out:
return GST_FLOW_OK;
}
static gboolean
gst_audiolatency_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
switch (GST_EVENT_TYPE (event)) {
/* Drop below events. audiotestsrc will push its own event */
case GST_EVENT_STREAM_START:
case GST_EVENT_CAPS:
case GST_EVENT_SEGMENT:
gst_event_unref (event);
return TRUE;
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
/* Element registration */
static gboolean
plugin_init (GstPlugin * plugin)