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decodebin3: Drop duration query during _input_pad_unlink ()

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Playbin3 takes lock when querying duration and handling
stream-collection message. So,to post stream-collection message,
duration query should be dropped when input pad is being unlinked.

https://bugzilla.gnome.org/show_bug.cgi?id=773341
This commit is contained in:
Seungha Yang 2016-12-03 22:37:55 +09:00 committed by Edward Hervey
parent 7e76405895
commit 6bd7a5602c
1 changed files with 22 additions and 0 deletions
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22
gst/playback/gstdecodebin3.c
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@ -796,6 +796,24 @@ fail:
return GST_PAD_LINK_REFUSED;
}
/* Drop duration query during _input_pad_unlink */
static GstPadProbeReturn
query_duration_drop_probe (GstPad * pad, GstPadProbeInfo * info,
DecodebinInput * input)
{
GstPadProbeReturn ret = GST_PAD_PROBE_OK;
if (GST_IS_QUERY (GST_PAD_PROBE_INFO_DATA (info))) {
GstQuery *query = GST_PAD_PROBE_INFO_QUERY (info);
if (GST_QUERY_TYPE (query) == GST_QUERY_DURATION) {
GST_LOG_OBJECT (pad, "stop forwarding query duration");
ret = GST_PAD_PROBE_HANDLED;
}
}
return ret;
}
static void
gst_decodebin3_input_pad_unlink (GstPad * pad, GstObject * parent)
{
@ -816,6 +834,9 @@ gst_decodebin3_input_pad_unlink (GstPad * pad, GstObject * parent)
if (GST_OBJECT_PARENT (GST_OBJECT (input->parsebin)) == GST_OBJECT (dbin)) {
GstStreamCollection *collection = NULL;
gulong probe_id = gst_pad_add_probe (input->parsebin_sink,
GST_PAD_PROBE_TYPE_QUERY_UPSTREAM,
(GstPadProbeCallback) query_duration_drop_probe, input, NULL);
/* Clear stream-collection corresponding to current INPUT and post new
* stream-collection message, if needed */
@ -845,6 +866,7 @@ gst_decodebin3_input_pad_unlink (GstPad * pad, GstObject * parent)
gst_element_set_state (input->parsebin, GST_STATE_NULL);
g_signal_handler_disconnect (input->parsebin, input->pad_removed_sigid);
g_signal_handler_disconnect (input->parsebin, input->pad_added_sigid);
gst_pad_remove_probe (input->parsebin_sink, probe_id);
gst_object_unref (input->parsebin);
gst_object_unref (input->parsebin_sink);