static GstPad * gst_my_filter_request_new_pad (GstElement *element,
GstPadTemplate *templ,
const gchar *name,
const GstCaps *caps);
static void gst_my_filter_release_pad (GstElement *element,
GstPad *pad);
static GstStaticPadTemplate sink_factory =
GST_STATIC_PAD_TEMPLATE (
"sink_%u",
GST_PAD_SINK,
GST_PAD_REQUEST,
GST_STATIC_CAPS ("ANY")
);
static void
gst_my_filter_class_init (GstMyFilterClass *klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
[..]
gst_element_class_add_pad_template (klass,
gst_static_pad_template_get (&sink_factory));
[..]
element_class->request_new_pad = gst_my_filter_request_new_pad;
element_class->release_pad = gst_my_filter_release_pad;
}
static GstPad *
gst_my_filter_request_new_pad (GstElement *element,
GstPadTemplate *templ,
const gchar *name,
const GstCaps *caps)
{
GstPad *pad;
GstMyFilterInputContext *context;
context = g_new0 (GstMyFilterInputContext, 1);
pad = gst_pad_new_from_template (templ, name);
gst_pad_set_element_private (pad, context);
/* normally, you would set _chain () and _event () functions here */
gst_element_add_pad (element, pad);
return pad;
}
static void
gst_my_filter_release_pad (GstElement *element,
GstPad *pad)
{
GstMyFilterInputContext *context;
context = gst_pad_get_element_private (pad);
g_free (context);
gst_element_remove_pad (element, pad);
}
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