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API: add gst_bin_find_unlinked_pad()

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Original commit message from CVS:
* docs/gst/gstreamer-sections.txt:
* gst/gstutils.c: (element_find_unlinked_pad),
(gst_bin_find_unlinked_pad), (gst_bin_find_unconnected_pad),
* gst/gstutils.h:
API: add gst_bin_find_unlinked_pad()
API: deprecate gst_bin_find_unconnected_pad() (#401456)
This commit is contained in:
Tim-Philipp Müller 2008-05-27 10:50:49 +00:00
parent ef258c2290
commit b05a18fcfc
4 changed files with 43 additions and 5 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2008-05-27 Tim-Philipp Müller <tim.muller at collabora co uk>
* docs/gst/gstreamer-sections.txt:
* gst/gstutils.c: (element_find_unlinked_pad),
(gst_bin_find_unlinked_pad), (gst_bin_find_unconnected_pad),
* gst/gstutils.h:
API: add gst_bin_find_unlinked_pad()
API: deprecate gst_bin_find_unconnected_pad() (#401456)
2008-05-26 Peter Kjellerstedt <pkj@axis.com>
* gst/gstclock.c:

1
docs/gst/gstreamer-sections.txt
View file

@ -59,6 +59,7 @@ gst_bin_iterate_all_by_interface
<SUBSECTION>
gst_bin_add_many
gst_bin_remove_many
gst_bin_find_unlinked_pad
gst_bin_find_unconnected_pad
<SUBSECTION>

35
gst/gstutils.c
View file

@ -3260,7 +3260,7 @@ element_find_unlinked_pad (GstElement * element, GstPadDirection direction)
}
/**
* gst_bin_find_unconnected_pad:
* gst_bin_find_unlinked_pad:
* @bin: bin in which to look for elements with unlinked pads
* @direction: whether to look for an unlinked source or sink pad
*
@ -3272,10 +3272,10 @@ element_find_unlinked_pad (GstElement * element, GstPadDirection direction)
*
* Returns: unlinked pad of the given direction, or NULL.
*
* Since: 0.10.3
* Since: 0.10.20
*/
GstPad *
gst_bin_find_unconnected_pad (GstBin * bin, GstPadDirection direction)
gst_bin_find_unlinked_pad (GstBin * bin, GstPadDirection direction)
{
GstIterator *iter;
gboolean done;
@ -3313,6 +3313,31 @@ gst_bin_find_unconnected_pad (GstBin * bin, GstPadDirection direction)
return pad;
}
/**
* gst_bin_find_unconnected_pad:
* @bin: bin in which to look for elements with unlinked pads
* @direction: whether to look for an unlinked source or sink pad
*
* Recursively looks for elements with an unlinked pad of the given
* direction within the specified bin and returns an unlinked pad
* if one is found, or NULL otherwise. If a pad is found, the caller
* owns a reference to it and should use gst_object_unref() on the
* pad when it is not needed any longer.
*
* Returns: unlinked pad of the given direction, or NULL.
*
* Since: 0.10.3
*
* Deprecated: use gst_bin_find_unlinked_pad() instead.
*/
#ifndef GST_REMOVE_DEPRECATED
GstPad *
gst_bin_find_unconnected_pad (GstBin * bin, GstPadDirection direction)
{
return gst_bin_find_unlinked_pad (bin, direction);
}
#endif
/**
* gst_parse_bin_from_description:
* @bin_description: command line describing the bin
@ -3393,11 +3418,11 @@ gst_parse_bin_from_description_full (const gchar * bin_description,
/* find pads and ghost them if necessary */
if (ghost_unlinked_pads) {
if ((pad = gst_bin_find_unconnected_pad (bin, GST_PAD_SRC))) {
if ((pad = gst_bin_find_unlinked_pad (bin, GST_PAD_SRC))) {
gst_element_add_pad (GST_ELEMENT (bin), gst_ghost_pad_new ("src", pad));
gst_object_unref (pad);
}
if ((pad = gst_bin_find_unconnected_pad (bin, GST_PAD_SINK))) {
if ((pad = gst_bin_find_unlinked_pad (bin, GST_PAD_SINK))) {
gst_element_add_pad (GST_ELEMENT (bin), gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
}

3
gst/gstutils.h
View file

@ -667,7 +667,10 @@ gboolean gst_pad_query_peer_convert (GstPad *pad, GstFormat
/* bin functions */
void gst_bin_add_many (GstBin *bin, GstElement *element_1, ...) G_GNUC_NULL_TERMINATED;
void gst_bin_remove_many (GstBin *bin, GstElement *element_1, ...) G_GNUC_NULL_TERMINATED;
GstPad * gst_bin_find_unlinked_pad (GstBin *bin, GstPadDirection direction);
#ifndef GST_DISABLE_DEPRECATED
GstPad * gst_bin_find_unconnected_pad (GstBin *bin, GstPadDirection direction);
#endif
/* buffer functions */
GstBuffer * gst_buffer_merge (GstBuffer * buf1, GstBuffer * buf2);