static void
gst_proxy_pad_do_fixatecaps (GstPad * pad, GstCaps * caps)
{
GstPad *target = gst_proxy_pad_get_target (pad);
if (target) {
gst_pad_fixate_caps (target, caps);
gst_object_unref (target);
}
}
static const GstQueryType *
gst_proxy_pad_do_query_type (GstPad * pad)
{
GstPad *target = gst_proxy_pad_get_target (pad);
const GstQueryType *res = NULL;
if (target) {
res = gst_pad_get_query_types (target);
gst_object_unref (target);
}
return res;
}
/**
* gst_ghost_pad_get_target:
* @gpad: the #GstGhostPad
*
* Get the target pad of @gpad. Unref target pad after usage.
*
* Returns: (transfer full): the target #GstPad, can be NULL if the ghostpad
* has no target set. Unref target pad after usage.
*/
GstPad *
gst_ghost_pad_get_target (GstGhostPad * gpad)
{
GstPad *ret;
g_return_val_if_fail (GST_IS_GHOST_PAD (gpad), NULL);
ret = gst_proxy_pad_get_target (GST_PAD_CAST (gpad));
GST_DEBUG_OBJECT (gpad, "get target %s:%s", GST_DEBUG_PAD_NAME (ret));
return ret;
}
static GList *
gst_proxy_pad_do_internal_link (GstPad * pad)
{
GList *res = NULL;
GstPad *target = gst_proxy_pad_get_target (pad);
if (target) {
res = gst_pad_get_internal_links (target);
gst_object_unref (target);
}
return res;
}
static gboolean
gst_proxy_pad_do_query (GstPad * pad, GstQuery * query)
{
gboolean res = FALSE;
GstPad *target = gst_proxy_pad_get_target (pad);
if (target) {
res = gst_pad_query (target, query);
gst_object_unref (target);
}
return res;
}
static GstIterator *
gst_proxy_pad_do_iterate_internal_links (GstPad * pad)
{
GstIterator *res = NULL;
GstPad *target = gst_proxy_pad_get_target (pad);
if (target) {
res = gst_pad_iterate_internal_links (target);
gst_object_unref (target);
}
return res;
}
static gboolean
gst_proxy_pad_do_acceptcaps (GstPad * pad, GstCaps * caps)
{
GstPad *target = gst_proxy_pad_get_target (pad);
gboolean res;
if (target) {
res = gst_pad_accept_caps (target, caps);
gst_object_unref (target);
} else {
/* We don't have a target, we return TRUE and we assume that any future
* target will be able to deal with any configured caps. */
res = TRUE;
}
return res;
}
static GstCaps *
gst_proxy_pad_do_getcaps (GstPad * pad)
{
GstPad *target = gst_proxy_pad_get_target (pad);
GstCaps *res;
GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad);
if (target) {
/* if we have a real target, proxy the call */
res = gst_pad_get_caps (target);
gst_object_unref (target);
GST_DEBUG_OBJECT (pad, "get caps of target: %" GST_PTR_FORMAT, res);
/* filter against the template */
if (templ && res) {
GstCaps *filt, *tmp;
filt = GST_PAD_TEMPLATE_CAPS (templ);
if (filt) {
tmp = gst_caps_intersect (filt, res);
gst_caps_unref (res);
res = tmp;
GST_DEBUG_OBJECT (pad,
"filtered against template gives %" GST_PTR_FORMAT, res);
}
}
} else {
/* else, if we have a template, use its caps. */
if (templ) {
res = GST_PAD_TEMPLATE_CAPS (templ);
GST_DEBUG_OBJECT (pad,
"using pad template %p with caps %p %" GST_PTR_FORMAT, templ, res,
res);
res = gst_caps_ref (res);
goto done;
}
/* last resort, any caps */
GST_DEBUG_OBJECT (pad, "pad has no template, returning ANY");
res = gst_caps_new_any ();
}
done:
return res;
}
static gboolean
gst_proxy_pad_do_setcaps (GstPad * pad, GstCaps * caps)
{
GstPad *target = gst_proxy_pad_get_target (pad);
gboolean res;
if (target) {
res = gst_pad_set_caps (target, caps);
gst_object_unref (target);
} else {
/* We don't have any target, but we shouldn't return FALSE since this
* would stop the actual push of a buffer (which might trigger a pad block
* or probe, or properly return GST_FLOW_NOT_LINKED.
*/
res = TRUE;
}
return res;
}
static void
gst_ghost_pad_do_unlink (GstPad * pad)
{
GstPad *target;
GstPad *internal;
target = gst_proxy_pad_get_target (pad);
internal = GST_PROXY_PAD_INTERNAL (pad);
GST_DEBUG_OBJECT (pad, "unlinking ghostpad");
/* The target of the internal pad is no longer valid */
gst_proxy_pad_set_target (internal, NULL);
if (target) {
if (GST_PAD_UNLINKFUNC (target))
GST_PAD_UNLINKFUNC (target) (target);
gst_object_unref (target);
}
}
