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taglib: fix object registration

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We can't use G_DEFINE_TYPE because the class is not set in the class_init and we
need it to get the srcpad template.
Fix a caps leak
This commit is contained in:
Wim Taymans 2012-02-07 10:29:11 +01:00
parent 3644e23184
commit 819865ea54
1 changed files with 54 additions and 6 deletions
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60
ext/taglib/gsttaglibmux.c
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@ -38,10 +38,53 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("ANY"));
static void
gst_tag_lib_mux_iface_init (GType taglib_type)
{
static const GInterfaceInfo tag_setter_info = {
NULL,
NULL,
NULL
};
#define gst_tag_lib_mux_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstTagLibMux, gst_tag_lib_mux, GST_TYPE_ELEMENT,
G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL));
g_type_add_interface_static (taglib_type, GST_TYPE_TAG_SETTER,
&tag_setter_info);
}
static GstElementClass *parent_class = NULL;
static void gst_tag_lib_mux_class_init (GstTagLibMuxClass * klass);
static void gst_tag_lib_mux_init (GstTagLibMux * mux,
GstTagLibMuxClass * mux_class);
GType
gst_tag_lib_mux_get_type (void)
{
static volatile gsize tag_lib_mux_type = 0;
if (g_once_init_enter (&tag_lib_mux_type)) {
GType _type;
static const GTypeInfo tag_lib_mux_info = {
sizeof (GstTagLibMuxClass),
NULL,
NULL,
(GClassInitFunc) gst_tag_lib_mux_class_init,
NULL,
NULL,
sizeof (GstTagLibMux),
0,
(GInstanceInitFunc) gst_tag_lib_mux_init,
};
_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstTagLibMux", &tag_lib_mux_info, 0);
gst_tag_lib_mux_iface_init (_type);
g_once_init_leave (&tag_lib_mux_type, _type);
}
return tag_lib_mux_type;
}
static GstStateChangeReturn
gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition);
@ -77,6 +120,8 @@ gst_tag_lib_mux_class_init (GstTagLibMuxClass * klass)
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gst_tag_lib_mux_finalize;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_tag_lib_mux_change_state);
@ -89,9 +134,8 @@ gst_tag_lib_mux_class_init (GstTagLibMuxClass * klass)
}
static void
gst_tag_lib_mux_init (GstTagLibMux * mux)
gst_tag_lib_mux_init (GstTagLibMux * mux, GstTagLibMuxClass * mux_class)
{
GstTagLibMuxClass *mux_class = GST_TAG_LIB_MUX_GET_CLASS (mux);
GstElementClass *element_klass = GST_ELEMENT_CLASS (mux_class);
GstPadTemplate *tmpl;
@ -107,9 +151,13 @@ gst_tag_lib_mux_init (GstTagLibMux * mux)
/* pad through which data goes out of the element */
tmpl = gst_element_class_get_pad_template (element_klass, "src");
if (tmpl) {
GstCaps *caps;
mux->srcpad = gst_pad_new_from_template (tmpl, "src");
gst_pad_use_fixed_caps (mux->srcpad);
gst_pad_set_caps (mux->srcpad, gst_pad_template_get_caps (tmpl));
caps = gst_pad_template_get_caps (tmpl);
gst_pad_set_caps (mux->srcpad, caps);
gst_caps_unref (caps);
gst_element_add_pad (GST_ELEMENT (mux), mux->srcpad);
}