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This commit is contained in:
Thomas Vander Stichele 2004-07-09 08:45:18 +00:00
parent a074393f26
commit 0b685fac13
1 changed files with 8 additions and 5 deletions
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13
gst/gstbin.c
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@ -931,10 +931,10 @@ gst_bin_get_list (GstBin * bin)
* @bin: bin to find element in * @bin: bin to find element in
* @interface: interface to be implemented by interface * @interface: interface to be implemented by interface
* *
* Looks for the first element inside the bin that implements the given * Looks for the first element inside the bin that implements the given
* interface. If such an element is found, it returns the element. You can * interface. If such an element is found, it returns the element. You can
* cast this element to the given interface afterwards. * cast this element to the given interface afterwards.
* If you want all elements that implement the interface, use * If you want all elements that implement the interface, use
* gst_bin_get_all_by_interface(). The function recurses bins inside bins. * gst_bin_get_all_by_interface(). The function recurses bins inside bins.
* *
* Returns: An element inside the bin implementing the interface. * Returns: An element inside the bin implementing the interface.
@ -969,9 +969,9 @@ gst_bin_get_by_interface (GstBin * bin, GType interface)
* @bin: bin to find elements in * @bin: bin to find elements in
* @interface: interface to be implemented by interface * @interface: interface to be implemented by interface
* *
* Looks for all element inside the bin that implements the given * Looks for all elements inside the bin that implements the given
* interface. You can safely cast all returned elements to the given interface. * interface. You can safely cast all returned elements to the given interface.
* The function recurses bins inside bins. You need to free the list using * The function recurses bins inside bins. You need to free the list using
* g_list_free() after use. * g_list_free() after use.
* *
* Returns: An element inside the bin implementing the interface. * Returns: An element inside the bin implementing the interface.
@ -986,8 +986,11 @@ gst_bin_get_all_by_interface (GstBin * bin, GType interface)
walk = bin->children; walk = bin->children;
while (walk) { while (walk) {
if (G_TYPE_CHECK_INSTANCE_TYPE (walk->data, interface)) if (G_TYPE_CHECK_INSTANCE_TYPE (walk->data, interface)) {
GST_DEBUG_OBJECT (bin, "element %s implements requested interface",
GST_ELEMENT_NAME (GST_ELEMENT (walk->data)));
ret = g_list_prepend (ret, walk->data); ret = g_list_prepend (ret, walk->data);
}
if (GST_IS_BIN (walk->data)) { if (GST_IS_BIN (walk->data)) {
ret = g_list_concat (ret, ret = g_list_concat (ret,
gst_bin_get_all_by_interface (GST_BIN (walk->data), interface)); gst_bin_get_all_by_interface (GST_BIN (walk->data), interface));