* created (request or sometimes pads).
*
* Pad and PadTemplates have #GstCaps attached to it to describe the media type
- * they are capable of dealing with. gst_pad_template_get_caps() or
- * GST_PAD_TEMPLATE_CAPS() are used to get the caps of a padtemplate. It's not
+ * they are capable of dealing with. gst_pad_template_get_caps() or
+ * GST_PAD_TEMPLATE_CAPS() are used to get the caps of a padtemplate. It's not
* possible to modify the caps of a padtemplate after creation.
*
* PadTemplates have a #GstPadPresence property which identifies the lifetime
- * of the pad and that can be retrieved with GST_PAD_TEMPLATE_PRESENCE(). Also
- * the direction of the pad can be retrieved from the #GstPadTemplate with
+ * of the pad and that can be retrieved with GST_PAD_TEMPLATE_PRESENCE(). Also
+ * the direction of the pad can be retrieved from the #GstPadTemplate with
* GST_PAD_TEMPLATE_DIRECTION().
*
* The GST_PAD_TEMPLATE_NAME_TEMPLATE () is important for GST_PAD_REQUEST pads
- * because it has to be used as the name in the gst_element_request_pad_by_name()
+ * because it has to be used as the name in the gst_element_get_request_pad()
* call to instantiate a pad from this template.
*
- * Padtemplates can be created with gst_pad_template_new() or with
+ * Padtemplates can be created with gst_pad_template_new() or with
* gst_static_pad_template_get (), which creates a #GstPadTemplate from a
* #GstStaticPadTemplate that can be filled with the
- * convenient GST_STATIC_PAD_TEMPLATE() macro.
+ * convenient GST_STATIC_PAD_TEMPLATE() macro.
*
- * A padtemplate can be used to create a pad (see gst_pad_new_from_template()
- * or gst_pad_new_from_static_template ()) or to add to an element class
+ * A padtemplate can be used to create a pad (see gst_pad_new_from_template()
+ * or gst_pad_new_from_static_template ()) or to add to an element class
* (see gst_element_class_add_pad_template ()).
*
* The following code example shows the code to create a pad from a padtemplate.
* "audio/x-raw-int, "
* "channels = (int) [ 1, 6 ]"
* )
- * )
+ * );
* void
* my_method (void)
* {
* </example>
*
* The following example shows you how to add the padtemplate to an
- * element class, this is usually done in the base_init of the class:
+ * element class, this is usually done in the class_init of the class:
* <informalexample>
* <programlisting>
* static void
- * my_element_base_init (gpointer g_class)
+ * my_element_class_init (GstMyElementClass *klass)
* {
- * GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
- *
+ * GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+ *
* gst_element_class_add_pad_template (gstelement_class,
* gst_static_pad_template_get (&my_template));
* }
static GstObject *parent_class = NULL;
static guint gst_pad_template_signals[LAST_SIGNAL] = { 0 };
-static void gst_pad_template_class_init (GstPadTemplateClass * klass);
-static void gst_pad_template_init (GstPadTemplate * templ,
- GstPadTemplateClass * klass);
static void gst_pad_template_dispose (GObject * object);
static void gst_pad_template_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_pad_template_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-GType
-gst_pad_template_get_type (void)
-{
- static GType padtemplate_type = 0;
-
- if (G_UNLIKELY (padtemplate_type == 0)) {
- static const GTypeInfo padtemplate_info = {
- sizeof (GstPadTemplateClass), NULL, NULL,
- (GClassInitFunc) gst_pad_template_class_init, NULL, NULL,
- sizeof (GstPadTemplate),
- 0,
- (GInstanceInitFunc) gst_pad_template_init, NULL
- };
-
- padtemplate_type =
- g_type_register_static (GST_TYPE_OBJECT, "GstPadTemplate",
- &padtemplate_info, 0);
- }
- return padtemplate_type;
-}
+G_DEFINE_TYPE (GstPadTemplate, gst_pad_template, GST_TYPE_OBJECT);
static void
gst_pad_template_class_init (GstPadTemplateClass * klass)
}
static void
-gst_pad_template_init (GstPadTemplate * templ, GstPadTemplateClass * klass)
+gst_pad_template_init (GstPadTemplate * templ)
{
- /* FIXME 0.11: Does anybody remember why this is here? If not, let's
- * change it for 0.11 and let gst_element_class_add_pad_template() for
- * example ref/sink the pad templates.
- */
- /* We ensure that the pad template we're creating has a sunken reference.
- * Inconsistencies in pad templates being floating or sunken has caused
- * problems in the past with leaks, etc.
- *
- * For consistency, then, we only produce them with sunken references
- * owned by the creator of the object
- */
- if (GST_OBJECT_IS_FLOATING (templ)) {
- gst_object_ref (templ);
- gst_object_sink (templ);
- }
}
static void
" allowed in GST_PAD_REQUEST padtemplate", name);
return FALSE;
}
- if (str && (*(str + 1) != 's' && *(str + 1) != 'd')) {
+ if (str && (*(str + 1) != 's' && *(str + 1) != 'd' && *(str + 1) != 'u')) {
g_warning ("invalid name template %s: conversion specification must be of"
- " type '%%d' or '%%s' for GST_PAD_REQUEST padtemplate", name);
+ " type '%%d', '%%u' or '%%s' for GST_PAD_REQUEST padtemplate", name);
return FALSE;
}
if (str && (*(str + 2) != '\0')) {
*
* Converts a #GstStaticPadTemplate into a #GstPadTemplate.
*
- * Returns: a new #GstPadTemplate.
+ * Returns: (transfer full): a new #GstPadTemplate.
*/
+/* FIXME0.11: rename to gst_pad_template_new_from_static_pad_template() */
GstPadTemplate *
gst_static_pad_template_get (GstStaticPadTemplate * pad_template)
{
* @name_template: the name template.
* @direction: the #GstPadDirection of the template.
* @presence: the #GstPadPresence of the pad.
- * @caps: a #GstCaps set for the template. The caps are taken ownership of.
+ * @caps: a #GstCaps set for the template.
*
* Creates a new pad template with a name according to the given template
- * and with the given arguments. This functions takes ownership of the provided
- * caps, so be sure to not use them afterwards.
+ * and with the given arguments.
*
- * Returns: a new #GstPadTemplate.
+ * Returns: (transfer full): a new #GstPadTemplate.
*/
GstPadTemplate *
gst_pad_template_new (const gchar * name_template,
|| presence == GST_PAD_SOMETIMES || presence == GST_PAD_REQUEST, NULL);
if (!name_is_valid (name_template, presence)) {
- gst_caps_unref (caps);
return NULL;
}
"name", name_template, "name-template", name_template,
"direction", direction, "presence", presence, "caps", caps, NULL);
-#if 0
- /* FIXME: enable this after gst-ffmpeg-0.10.6 and
- * gst-plugins-good-0.10.11 have been released. Previous versions
- * depend on broken core behavior. */
- if (caps)
- gst_caps_unref (caps);
-#endif
-
return new;
}
*
* Gets the capabilities of the static pad template.
*
- * Returns: the #GstCaps of the static pad template. If you need to keep a
- * reference to the caps, take a ref (see gst_caps_ref ()).
+ * Returns: (transfer full): the #GstCaps of the static pad template.
+ * Unref after usage. Since the core holds an additional
+ * ref to the returned caps, use gst_caps_make_writable()
+ * on the returned caps to modify it.
*/
GstCaps *
gst_static_pad_template_get_caps (GstStaticPadTemplate * templ)
*
* Gets the capabilities of the pad template.
*
- * Returns: the #GstCaps of the pad template. If you need to keep a reference to
- * the caps, take a ref (see gst_caps_ref ()).
+ * Returns: (transfer full): the #GstCaps of the pad template.
+ * Unref after usage.
*/
GstCaps *
gst_pad_template_get_caps (GstPadTemplate * templ)
{
+ GstCaps *caps;
g_return_val_if_fail (GST_IS_PAD_TEMPLATE (templ), NULL);
- return GST_PAD_TEMPLATE_CAPS (templ);
+ caps = GST_PAD_TEMPLATE_CAPS (templ);
+
+ return (caps ? gst_caps_ref (caps) : NULL);
}
/**
void
gst_pad_template_pad_created (GstPadTemplate * templ, GstPad * pad)
{
- g_signal_emit (G_OBJECT (templ),
- gst_pad_template_signals[TEMPL_PAD_CREATED], 0, pad);
+ g_signal_emit (templ, gst_pad_template_signals[TEMPL_PAD_CREATED], 0, pad);
}
static void
GST_PAD_TEMPLATE_NAME_TEMPLATE (object) = g_value_dup_string (value);
break;
case PROP_DIRECTION:
- GST_PAD_TEMPLATE_DIRECTION (object) = g_value_get_enum (value);
+ GST_PAD_TEMPLATE_DIRECTION (object) =
+ (GstPadDirection) g_value_get_enum (value);
break;
case PROP_PRESENCE:
- GST_PAD_TEMPLATE_PRESENCE (object) = g_value_get_enum (value);
+ GST_PAD_TEMPLATE_PRESENCE (object) =
+ (GstPadPresence) g_value_get_enum (value);
break;
case PROP_CAPS:
- /* allow caps == NULL for backwards compatibility (ie. g_object_new()
- * called without any of the new properties) (FIXME 0.11) */
- if (g_value_get_boxed (value) != NULL) {
- GST_PAD_TEMPLATE_CAPS (object) =
- gst_caps_copy (g_value_get_boxed (value));
- }
+ GST_PAD_TEMPLATE_CAPS (object) = g_value_dup_boxed (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
projects / platform / upstream / gstreamer.git / blobdiff