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outputselector: do the pad_alloc for the pad that is pending and have a fallback

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We should do the pad_alloc for the pending pad if any, as we will switch to that
pad on next _chain() call. Also do a fallback alloc, if there is no output yet to
not fail state transitions in dynamic pipelines.
This commit is contained in:
Stefan Kost 2009-06-12 10:14:27 +03:00 committed by Tim-Philipp Müller
parent 8d45bdf144
commit 89e574ce0d
1 changed files with 10 additions and 3 deletions
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13
plugins/elements/gstoutputselector.c
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@ -196,7 +196,7 @@ gst_output_selector_set_property (GObject * object, guint prop_id,
next_pad = g_value_get_object (value);
GST_LOG_OBJECT (sel, "Activating pad %s:%s",
GST_INFO_OBJECT (sel, "Activating pad %s:%s",
GST_DEBUG_PAD_NAME (next_pad));
GST_OBJECT_LOCK (object);
@ -262,11 +262,11 @@ gst_output_selector_buffer_alloc (GstPad * pad, guint64 offset, guint size,
GstPad *allocpad;
sel = GST_OUTPUT_SELECTOR (GST_PAD_PARENT (pad));
res = GST_FLOW_NOT_LINKED;
GST_OBJECT_LOCK (sel);
if ((allocpad = sel->active_srcpad)) {
allocpad = sel->pending_srcpad ? sel->pending_srcpad : sel->active_srcpad;
if (allocpad) {
/* if we had a previous pad we used for allocating a buffer, continue using
* it. */
GST_DEBUG_OBJECT (sel, "using pad %s:%s for alloc",
@ -278,9 +278,16 @@ gst_output_selector_buffer_alloc (GstPad * pad, guint64 offset, guint size,
gst_object_unref (allocpad);
GST_OBJECT_LOCK (sel);
} else {
/* fallback case, allocate a buffer of our own, add pad caps. */
GST_DEBUG_OBJECT (pad, "fallback buffer alloc");
*buf = NULL;
res = GST_FLOW_OK;
}
GST_OBJECT_UNLOCK (sel);
GST_DEBUG_OBJECT (sel, "buffer alloc finished: %s", gst_flow_get_name (res));
return res;
}