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libs/gst/base/gstcollectpads.c: Handle the case where a pad is removed from the collection that could cause the other...

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Original commit message from CVS:
* libs/gst/base/gstcollectpads.c: (gst_collect_pads_remove_pad),
(gst_collect_pads_chain):
Handle the case where a pad is removed from the collection
that could cause the other pads to become collectable.
This commit is contained in:
Wim Taymans 2006-05-30 15:55:19 +00:00
parent 2a51528a41
commit cbc70ba654
2 changed files with 27 additions and 10 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2006-05-30 Wim Taymans <wim@fluendo.com>
* libs/gst/base/gstcollectpads.c: (gst_collect_pads_remove_pad),
(gst_collect_pads_chain):
Handle the case where a pad is removed from the collection
that could cause the other pads to become collectable.
2006-05-30 Wim Taymans <wim@fluendo.com>
* gst/gstelement.c:

30
libs/gst/base/gstcollectpads.c
View file

@ -197,7 +197,9 @@ gst_collect_pads_set_function (GstCollectPads * pads,
* @size: the size of the returned GstCollectData structure
*
* Add a pad to the collection of collect pads. The pad has to be
* a sinkpad.
* a sinkpad. The refcount of the pad is incremented. Use
* gst_collect_pads_remove_pad() to remove the pad from the collection
* again.
*
* You specify a size for the returned #GstCollectData structure
* so that you can use it to store additional information.
@ -302,6 +304,8 @@ gst_collect_pads_remove_pad (GstCollectPads * pads, GstPad * pad)
pads->abidata.ABI.pad_list =
g_slist_delete_link (pads->abidata.ABI.pad_list, list);
pads->abidata.ABI.pad_cookie++;
/* signal waiters because something changed */
GST_COLLECT_PADS_BROADCAST (pads);
GST_COLLECT_PADS_PAD_UNLOCK (pads);
return TRUE;
@ -1043,16 +1047,20 @@ gst_collect_pads_chain (GstPad * pad, GstBuffer * buffer)
gst_segment_set_last_stop (&data->segment, GST_FORMAT_TIME, timestamp);
}
/* Check if our collected condition is matched and call the collected function
* if it is */
ret = gst_collect_pads_check_collected (pads);
/* when an error occurs, we want to report this back to the caller ASAP
* without having to block if the buffer was not popped */
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto error;
/* While we have data queued on this pad try to collect stuff */
do {
/* Check if our collected condition is matched and call the collected function
* if it is */
ret = gst_collect_pads_check_collected (pads);
/* when an error occurs, we want to report this back to the caller ASAP
* without having to block if the buffer was not popped */
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto error;
/* data was consumed, we can exit and accept new data */
if (data->buffer == NULL)
break;
/* We still have data queued on this pad, wait for something to happen */
while (data->buffer != NULL) {
GST_DEBUG ("Pad %s:%s has a buffer queued, waiting",
GST_DEBUG_PAD_NAME (pad));
@ -1071,6 +1079,8 @@ gst_collect_pads_chain (GstPad * pad, GstBuffer * buffer)
if (G_UNLIKELY (data->abidata.ABI.flushing))
goto flushing;
}
while (data->buffer != NULL);
GST_OBJECT_UNLOCK (pads);
return ret;