inputselector: Handle stream-group-done

Handle the new stream-group-done message to unblock pads which
are waiting for the running time to advance on that group.

https://bugzilla.gnome.org/show_bug.cgi?id=768995
This commit is contained in:
Jan Schmidt 2016-03-16 18:00:15 +11:00
parent 9fd2101b36
commit b50a12b8ac

View file

@ -155,6 +155,9 @@ struct _GstSelectorPad
GstPad parent;
gboolean pushed; /* when buffer was pushed downstream since activation */
guint group_id; /* Group ID from the last stream-start */
gboolean group_done; /* when Stream Group Done has been
received */
gboolean eos; /* when EOS has been received */
gboolean eos_sent; /* when EOS was sent downstream */
gboolean discont; /* after switching we create a discont */
@ -340,6 +343,7 @@ gst_selector_pad_reset (GstSelectorPad * pad)
{
GST_OBJECT_LOCK (pad);
pad->pushed = FALSE;
pad->group_done = FALSE;
pad->eos = FALSE;
pad->eos_sent = FALSE;
pad->events_pending = FALSE;
@ -550,16 +554,17 @@ gst_selector_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_STREAM_START:{
guint group_id;
if (!gst_event_parse_group_id (event, &group_id))
if (!gst_event_parse_group_id (event, &selpad->group_id)) {
sel->have_group_id = FALSE;
selpad->group_id = 0;
}
break;
}
case GST_EVENT_FLUSH_START:
/* Unblock the pad if it's waiting */
selpad->flushing = TRUE;
sel->eos = FALSE;
selpad->group_done = FALSE;
GST_INPUT_SELECTOR_BROADCAST (sel);
break;
case GST_EVENT_FLUSH_STOP:
@ -626,6 +631,15 @@ gst_selector_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
}
break;
case GST_EVENT_STREAM_GROUP_DONE:{
GST_DEBUG_OBJECT (sel, "Stream group-done in inputselector pad %s",
GST_OBJECT_NAME (selpad));
gst_event_parse_stream_group_done (event, &selpad->group_id);
selpad->group_done = TRUE;
if (sel->sync_streams && active_sinkpad == pad)
GST_INPUT_SELECTOR_BROADCAST (sel);
break;
}
default:
break;
}
@ -798,6 +812,15 @@ gst_input_selector_wait_running_time (GstInputSelector * sel,
GST_FORMAT_TIME, active_seg->position);
}
/* Don't wait if the group is finished on the active pad,
* as the running time won't progress now */
if (selpad != active_selpad && active_selpad->group_done &&
selpad->group_id == active_selpad->group_id) {
GST_DEBUG_OBJECT (selpad, "Active pad received group-done. Unblocking");
GST_INPUT_SELECTOR_UNLOCK (sel);
break;
}
if (selpad != active_selpad && !sel->eos && !sel->flushing
&& !selpad->flushing && (cur_running_time == GST_CLOCK_TIME_NONE
|| running_time >= cur_running_time)) {