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cea608mux: Implement GstAggregator::clip

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Drop buffers if it's outside of segment

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4398>
This commit is contained in:
Seungha Yang 2023-04-12 02:46:15 +09:00 committed by GStreamer Marge Bot
parent df3b2e2d41
commit a3fd3ad4d7
1 changed files with 22 additions and 0 deletions
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22
subprojects/gst-plugins-bad/ext/closedcaption/gstcea608mux.c
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@ -380,6 +380,27 @@ gst_cea608_mux_negotiated_src_caps (GstAggregator * agg, GstCaps * caps)
return TRUE;
}
static GstBuffer *
gst_cea608_mux_clip (GstAggregator * aggregator, GstAggregatorPad * pad,
GstBuffer * buffer)
{
GstClockTime time;
if (!GST_BUFFER_PTS_IS_VALID (buffer))
return buffer;
time = gst_segment_to_running_time (&pad->segment, GST_FORMAT_TIME,
GST_BUFFER_PTS (buffer));
if (!GST_CLOCK_TIME_IS_VALID (time)) {
GST_DEBUG_OBJECT (pad, "Dropping buffer on pad outside segment %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (buffer)));
gst_buffer_unref (buffer);
return NULL;
}
return buffer;
}
static void
gst_cea608_mux_class_init (GstCea608MuxClass * klass)
{
@ -411,6 +432,7 @@ gst_cea608_mux_class_init (GstCea608MuxClass * klass)
aggregator_class->flush = gst_cea608_mux_flush;
aggregator_class->negotiated_src_caps = gst_cea608_mux_negotiated_src_caps;
aggregator_class->get_next_time = gst_aggregator_simple_get_next_time;
aggregator_class->clip = gst_cea608_mux_clip;
GST_DEBUG_CATEGORY_INIT (gst_cea608_mux_debug, "cea608mux",
0, "Closed Caption muxer");