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videoaggregator: fix buffer selection when duration=-1

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If the src framerate and videoaggreator's output framerate were
different, then we were taking every single buffer that had duration=-1
as it came in regardless of the buffer's start time.  This caused the src
to possibly run at a different speed to the output frames.

https://bugzilla.gnome.org/show_bug.cgi?id=744096
This commit is contained in:
Matthew Waters 2015-02-09 00:59:30 +11:00
parent b739cf8b7f
commit 783245f1fe
1 changed files with 19 additions and 0 deletions
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19
gst-libs/gst/video/gstvideoaggregator.c
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@ -1000,6 +1000,25 @@ gst_videoaggregator_fill_queues (GstVideoAggregator * vagg,
end_time = GST_BUFFER_DURATION (buf);
if (end_time == -1) {
start_time = MAX (start_time, segment.start);
start_time =
gst_segment_to_running_time (&segment, GST_FORMAT_TIME, start_time);
if (start_time >= output_end_time) {
GST_DEBUG_OBJECT (pad, "buffer duration is -1, start_time >= "
"output_end_time. Keeping previous buffer");
gst_buffer_unref (buf);
continue;
} else if (start_time < output_start_time) {
GST_DEBUG_OBJECT (pad, "buffer duration is -1, start_time < "
"output_start_time. Discarding old buffer");
gst_buffer_replace (&pad->buffer, buf);
gst_buffer_unref (buf);
buf = gst_aggregator_pad_steal_buffer (bpad);
gst_buffer_unref (buf);
need_more_data = TRUE;
continue;
}
gst_buffer_unref (buf);
buf = gst_aggregator_pad_steal_buffer (bpad);
gst_buffer_replace (&pad->buffer, buf);