typedef struct _GstProxyPad GstProxyPad;
typedef struct _GstProxyPadClass GstProxyPadClass;
-
-enum
-{
- PROXY_PROP_0,
- PROXY_PROP_TARGET
-};
+#define GST_PROXY_GET_LOCK(pad) (GST_PROXY_PAD (pad)->proxy_lock)
+#define GST_PROXY_LOCK(pad) (g_mutex_lock (GST_PROXY_GET_LOCK (pad)))
+#define GST_PROXY_UNLOCK(pad) (g_mutex_unlock (GST_PROXY_GET_LOCK (pad)))
struct _GstProxyPad
{
GstPad pad;
+ /* with PROXY_LOCK */
+ GMutex *proxy_lock;
GstPad *target;
- GMutex *property_lock;
-
/*< private > */
gpointer _gst_reserved[1];
};
G_DEFINE_TYPE (GstProxyPad, gst_proxy_pad, GST_TYPE_PAD);
+static GstPad *gst_proxy_pad_get_target (GstPad * pad);
static void gst_proxy_pad_dispose (GObject * object);
-static void gst_proxy_pad_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_proxy_pad_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
static void gst_proxy_pad_finalize (GObject * object);
#ifndef GST_DISABLE_LOADSAVE
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_proxy_pad_dispose);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_proxy_pad_finalize);
- gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_proxy_pad_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_proxy_pad_get_property);
-
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROXY_PROP_TARGET,
- g_param_spec_object ("target", "Target", "The proxy pad's target",
- GST_TYPE_PAD, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
#ifndef GST_DISABLE_LOADSAVE
{
const GstQueryType *
gst_proxy_pad_do_query_type (GstPad * pad)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ const GstQueryType *res;
g_return_val_if_fail (target != NULL, NULL);
- return gst_pad_get_query_types (target);
+ res = gst_pad_get_query_types (target);
+ gst_object_unref (target);
+
+ return res;
}
static gboolean
gst_proxy_pad_do_event (GstPad * pad, GstEvent * event)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ gboolean res;
+ GstPad *target = gst_proxy_pad_get_target (pad);
g_return_val_if_fail (target != NULL, FALSE);
- return gst_pad_send_event (target, event);
+ res = gst_pad_send_event (target, event);
+ gst_object_unref (target);
+
+ return res;
}
static gboolean
gst_proxy_pad_do_query (GstPad * pad, GstQuery * query)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ gboolean res;
+ GstPad *target = gst_proxy_pad_get_target (pad);
g_return_val_if_fail (target != NULL, FALSE);
- return gst_pad_query (target, query);
+ res = gst_pad_query (target, query);
+ gst_object_unref (target);
+
+ return res;
}
static GList *
gst_proxy_pad_do_internal_link (GstPad * pad)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ GList *res;
g_return_val_if_fail (target != NULL, NULL);
- return gst_pad_get_internal_links (target);
+ res = gst_pad_get_internal_links (target);
+ gst_object_unref (target);
+
+ return res;
}
static GstFlowReturn
GstCaps * caps, GstBuffer ** buf)
{
GstFlowReturn result;
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
GstPad *peer;
g_return_val_if_fail (target != NULL, GST_FLOW_NOT_LINKED);
result = GST_FLOW_NOT_LINKED;
}
+ gst_object_unref (target);
+
return result;
}
static gboolean
gst_proxy_pad_do_activate (GstPad * pad)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ gboolean res;
- g_return_val_if_fail (target != NULL, FALSE);
+ res = gst_pad_activate_push (pad, TRUE);
- return gst_pad_activate_push (pad, TRUE);
+ return res;
}
static gboolean
gst_proxy_pad_do_activatepull (GstPad * pad, gboolean active)
{
GstActivateMode old;
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ gboolean res;
g_return_val_if_fail (target != NULL, FALSE);
if ((active && old == GST_ACTIVATE_PULL)
|| (!active && old == GST_ACTIVATE_NONE))
- return TRUE;
+ res = TRUE;
else
- return gst_pad_activate_pull (target, active);
+ res = gst_pad_activate_pull (target, active);
+ gst_object_unref (target);
+
+ return res;
}
static gboolean
gst_proxy_pad_do_activatepush (GstPad * pad, gboolean active)
{
GstActivateMode old;
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ gboolean res;
g_return_val_if_fail (target != NULL, FALSE);
if ((active && old == GST_ACTIVATE_PUSH)
|| (!active && old == GST_ACTIVATE_NONE))
- return TRUE;
+ res = TRUE;
else
- return gst_pad_activate_push (target, active);
+ res = gst_pad_activate_push (target, active);
+ gst_object_unref (target);
+
+ return res;
}
static GstFlowReturn
gst_proxy_pad_do_chain (GstPad * pad, GstBuffer * buffer)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ GstFlowReturn res;
g_return_val_if_fail (target != NULL, GST_FLOW_NOT_LINKED);
- return gst_pad_chain (target, buffer);
+ res = gst_pad_chain (target, buffer);
+ gst_object_unref (target);
+
+ return res;
}
static GstFlowReturn
gst_proxy_pad_do_getrange (GstPad * pad, guint64 offset, guint size,
GstBuffer ** buffer)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ GstFlowReturn res;
g_return_val_if_fail (target != NULL, GST_FLOW_NOT_LINKED);
- return gst_pad_get_range (target, offset, size, buffer);
+ res = gst_pad_get_range (target, offset, size, buffer);
+ gst_object_unref (target);
+
+ return res;
}
static gboolean
gst_proxy_pad_do_checkgetrange (GstPad * pad)
{
gboolean result;
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
GstPad *peer;
g_return_val_if_fail (target != NULL, FALSE);
+
peer = gst_pad_get_peer (target);
if (peer) {
result = gst_pad_check_pull_range (peer);
} else {
result = FALSE;
}
+ gst_object_unref (target);
+
return result;
}
static GstCaps *
gst_proxy_pad_do_getcaps (GstPad * pad)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ GstCaps *res;
g_return_val_if_fail (target != NULL, NULL);
- return gst_pad_get_caps (target);
+ res = gst_pad_get_caps (target);
+ gst_object_unref (target);
+
+ return res;
}
static gboolean
gst_proxy_pad_do_acceptcaps (GstPad * pad, GstCaps * caps)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ gboolean res;
g_return_val_if_fail (target != NULL, FALSE);
- return gst_pad_accept_caps (target, caps);
+ res = gst_pad_accept_caps (target, caps);
+ gst_object_unref (target);
+
+ return res;
}
static void
gst_proxy_pad_do_fixatecaps (GstPad * pad, GstCaps * caps)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
g_return_if_fail (target != NULL);
gst_pad_fixate_caps (target, caps);
+ gst_object_unref (target);
}
static gboolean
gst_proxy_pad_do_setcaps (GstPad * pad, GstCaps * caps)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
+ gboolean res;
g_return_val_if_fail (target != NULL, FALSE);
- return gst_pad_set_caps (target, caps);
+ res = gst_pad_set_caps (target, caps);
+ gst_object_unref (target);
+
+ return res;
}
#define SETFUNC(member, kind) \
if (target->member) \
gst_pad_set_##kind##_function (pad, gst_proxy_pad_do_##kind)
-static void
-gst_proxy_pad_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
+static gboolean
+gst_proxy_pad_set_target (GstPad * pad, GstPad * target)
{
- GstPad *pad = GST_PAD (object);
+ GST_PROXY_LOCK (pad);
+ /* clear old target */
+ if (GST_PROXY_PAD_TARGET (pad)) {
+ gst_object_unref (GST_PROXY_PAD_TARGET (pad));
+ GST_PROXY_PAD_TARGET (pad) = NULL;
+ }
- switch (prop_id) {
- case PROXY_PROP_TARGET:{
- GstPad *target;
-
- target = GST_PAD_CAST (gst_object_ref
- (GST_OBJECT_CAST (g_value_get_object (value))));
- GST_PROXY_PAD_TARGET (object) = target;
-
- /* really, all these should have default implementations so I can set them
- * in the _init() instead of here */
- SETFUNC (querytypefunc, query_type);
- SETFUNC (eventfunc, event);
- SETFUNC (queryfunc, query);
- SETFUNC (intlinkfunc, internal_link);
- SETFUNC (activatefunc, activate);
- SETFUNC (activatepullfunc, activatepull);
- SETFUNC (activatepushfunc, activatepush);
- SETFUNC (getcapsfunc, getcaps);
- SETFUNC (acceptcapsfunc, acceptcaps);
- SETFUNC (fixatecapsfunc, fixatecaps);
- SETFUNC (setcapsfunc, setcaps);
-
- if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK) {
- SETFUNC (bufferallocfunc, bufferalloc);
- SETFUNC (chainfunc, chain);
- } else {
- SETFUNC (getrangefunc, getrange);
- SETFUNC (checkgetrangefunc, checkgetrange);
- }
-
- break;
+ if (target) {
+ /* set and ref new target if any */
+ GST_PROXY_PAD_TARGET (pad) = gst_object_ref (target);
+
+ /* really, all these should have default implementations so I can set them
+ * in the _init() instead of here */
+ SETFUNC (querytypefunc, query_type);
+ SETFUNC (eventfunc, event);
+ SETFUNC (queryfunc, query);
+ SETFUNC (intlinkfunc, internal_link);
+ SETFUNC (activatefunc, activate);
+ SETFUNC (activatepullfunc, activatepull);
+ SETFUNC (activatepushfunc, activatepush);
+ SETFUNC (getcapsfunc, getcaps);
+ SETFUNC (acceptcapsfunc, acceptcaps);
+ SETFUNC (fixatecapsfunc, fixatecaps);
+ SETFUNC (setcapsfunc, setcaps);
+
+ if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK) {
+ SETFUNC (bufferallocfunc, bufferalloc);
+ SETFUNC (chainfunc, chain);
+ } else {
+ SETFUNC (getrangefunc, getrange);
+ SETFUNC (checkgetrangefunc, checkgetrange);
}
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
}
+ GST_PROXY_UNLOCK (pad);
+
+ return TRUE;
}
-static void
-gst_proxy_pad_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- switch (prop_id) {
- case PROXY_PROP_TARGET:
- g_value_set_object (value, GST_PROXY_PAD_TARGET (object));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
+static GstPad *
+gst_proxy_pad_get_target (GstPad * pad)
+{
+ GstPad *target;
+
+ GST_PROXY_LOCK (pad);
+ target = GST_PROXY_PAD_TARGET (pad);
+ gst_object_ref (target);
+ GST_PROXY_UNLOCK (pad);
+
+ return target;
}
static void
gst_proxy_pad_init (GstProxyPad * pad)
{
- pad->property_lock = g_mutex_new ();
+ pad->proxy_lock = g_mutex_new ();
}
static void
{
GstPad *pad = GST_PAD (object);
- if (GST_PROXY_PAD_TARGET (pad)) {
- gst_object_replace ((GstObject **) & GST_PROXY_PAD_TARGET (pad), NULL);
- }
+ GST_PROXY_LOCK (pad);
+ gst_object_replace ((GstObject **) & GST_PROXY_PAD_TARGET (pad), NULL);
+ GST_PROXY_UNLOCK (pad);
G_OBJECT_CLASS (gst_proxy_pad_parent_class)->dispose (object);
}
{
GstProxyPad *pad = GST_PROXY_PAD (object);
- g_mutex_free (pad->property_lock);
- pad->property_lock = NULL;
+ g_mutex_free (pad->proxy_lock);
+ pad->proxy_lock = NULL;
G_OBJECT_CLASS (gst_proxy_pad_parent_class)->finalize (object);
}
*/
-enum
-{
- GHOST_PROP_0,
- GHOST_PROP_INTERNAL
-};
-
struct _GstGhostPad
{
GstProxyPad pad;
+ /* with PROXY_LOCK */
GstPad *internal;
gulong notify_id;
G_DEFINE_TYPE (GstGhostPad, gst_ghost_pad, GST_TYPE_PROXY_PAD);
+static gboolean gst_ghost_pad_set_internal (GstGhostPad * pad,
+ GstPad * internal);
static void gst_ghost_pad_dispose (GObject * object);
-static void gst_ghost_pad_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_ghost_pad_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
/* Work around g_logv's use of G_GNUC_PRINTF because gcc chokes on %P, which we
* use for GST_PTR_FORMAT. */
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_ghost_pad_dispose);
- gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_ghost_pad_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_ghost_pad_get_property);
-
- g_object_class_install_property (G_OBJECT_CLASS (klass), GHOST_PROP_INTERNAL,
- g_param_spec_object ("internal", "Internal",
- "The ghost pad's internal pad", GST_TYPE_PAD, G_PARAM_READWRITE));
}
/* will only be called for src pads (afaict) */
ret = gst_proxy_pad_do_activatepush (pad, active);
- GST_LOCK (pad);
+ GST_PROXY_LOCK (pad);
if ((internal = GST_GHOST_PAD (pad)->internal))
gst_object_ref (internal);
- GST_UNLOCK (pad);
+ GST_PROXY_UNLOCK (pad);
if (internal) {
ret &= gst_pad_activate_push (internal, active);
gst_ghost_pad_do_link (GstPad * pad, GstPad * peer)
{
GstPad *internal, *target;
+ GstPadLinkReturn ret;
+
+ target = gst_proxy_pad_get_target (pad);
- target = GST_PROXY_PAD_TARGET (pad);
g_return_val_if_fail (target != NULL, GST_PAD_LINK_NOSCHED);
/* proxy the peer into the bin */
internal = g_object_new (GST_TYPE_PROXY_PAD,
"name", NULL,
"direction", GST_PAD_DIRECTION (peer),
- "template", GST_PAD_PAD_TEMPLATE (peer), "target", peer, NULL);
- g_object_set (pad, "internal", internal, NULL);
+ "template", GST_PAD_PAD_TEMPLATE (peer), NULL);
+
+ gst_proxy_pad_set_target (internal, peer);
+ gst_ghost_pad_set_internal (GST_GHOST_PAD (pad), internal);
+
+ if (GST_PAD_IS_SRC (internal))
+ ret = gst_pad_link (internal, target);
+ else
+ ret = gst_pad_link (target, internal);
- if ((GST_PAD_IS_SRC (internal) &&
- gst_pad_link (internal, target) == GST_PAD_LINK_OK) ||
- (GST_PAD_IS_SINK (internal) &&
- (gst_pad_link (target, internal) == GST_PAD_LINK_OK))) {
+ gst_object_unref (target);
+
+ if (ret == GST_PAD_LINK_OK)
gst_pad_set_active (internal, GST_PAD_ACTIVATE_MODE (pad));
- return GST_PAD_LINK_OK;
- } else {
- g_object_set (pad, "internal", NULL, NULL);
- return GST_PAD_LINK_REFUSED;
- }
+ else
+ gst_ghost_pad_set_internal (GST_GHOST_PAD (pad), NULL);
+
+ return ret;
}
static void
gst_ghost_pad_do_unlink (GstPad * pad)
{
- GstPad *target = GST_PROXY_PAD_TARGET (pad);
+ GstPad *target = gst_proxy_pad_get_target (pad);
g_return_if_fail (target != NULL);
if (target->unlinkfunc)
target->unlinkfunc (target);
- /* FIXME: should do this here, but locks in deep_notify prevent it */
- /* g_object_set (pad, "internal", NULL, NULL); */
+ gst_ghost_pad_set_internal (GST_GHOST_PAD (pad), NULL);
+
+ gst_object_unref (target);
}
static void
gst_caps_unref (caps);
}
-static void
-gst_ghost_pad_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
+static gboolean
+gst_ghost_pad_set_internal (GstGhostPad * pad, GstPad * internal)
{
- GstGhostPad *pad = GST_GHOST_PAD (object);
-
- switch (prop_id) {
- case GHOST_PROP_INTERNAL:{
- GstPad *internal;
+ GST_PROXY_LOCK (pad);
+ /* first remove old internal pad */
+ if (pad->internal) {
+ GstPad *intpeer;
- g_mutex_lock (GST_PROXY_PAD (pad)->property_lock);
+ gst_pad_set_activatepull_function (pad->internal, NULL);
- if (pad->internal) {
- GstPad *intpeer;
+ g_signal_handler_disconnect (pad->internal, pad->notify_id);
- gst_pad_set_activatepull_function (pad->internal, NULL);
-
- g_signal_handler_disconnect (pad->internal, pad->notify_id);
-
- intpeer = gst_pad_get_peer (pad->internal);
- if (intpeer) {
- if (GST_PAD_IS_SRC (pad->internal)) {
- gst_pad_unlink (pad->internal, intpeer);
- } else {
- gst_pad_unlink (intpeer, pad->internal);
- }
- gst_object_unref (intpeer);
- }
-
- /* should dispose it */
- gst_object_unparent (GST_OBJECT_CAST (pad->internal));
- }
-
- internal = g_value_get_object (value); /* no extra refcount... */
-
- if (internal) {
- if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
- GST_OBJECT_CAST (pad))) {
- gst_critical ("Could not set internal pad %" GST_PTR_FORMAT,
- internal);
- g_mutex_unlock (GST_PROXY_PAD (pad)->property_lock);
- return;
- }
-
- /* could be more general here, iterating over all writable properties...
- * taking the short road for now tho */
- pad->notify_id = g_signal_connect (internal, "notify::caps",
- G_CALLBACK (on_int_notify), pad);
- on_int_notify (internal, NULL, pad);
- gst_pad_set_activatepull_function (internal,
- gst_ghost_proxy_pad_do_activate_pull);
-
- /* a ref was taken by set_parent */
- }
+ intpeer = gst_pad_get_peer (pad->internal);
+ if (intpeer) {
+ if (GST_PAD_IS_SRC (pad->internal))
+ gst_pad_unlink (pad->internal, intpeer);
+ else
+ gst_pad_unlink (intpeer, pad->internal);
+ gst_object_unref (intpeer);
+ }
+ /* should dispose it */
+ gst_object_unparent (GST_OBJECT_CAST (pad->internal));
+ }
- pad->internal = internal;
+ /* then set new internal pad */
+ if (internal) {
+ if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
+ GST_OBJECT_CAST (pad)))
+ goto could_not_set;
+
+ /* could be more general here, iterating over all writable properties...
+ * taking the short road for now tho */
+ pad->notify_id = g_signal_connect (internal, "notify::caps",
+ G_CALLBACK (on_int_notify), pad);
+ on_int_notify (internal, NULL, pad);
+ gst_pad_set_activatepull_function (internal,
+ gst_ghost_proxy_pad_do_activate_pull);
+ /* a ref was taken by set_parent */
+ }
+ pad->internal = internal;
- g_mutex_unlock (GST_PROXY_PAD (pad)->property_lock);
+ GST_PROXY_UNLOCK (pad);
- break;
- }
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
+ return TRUE;
-static void
-gst_ghost_pad_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- switch (prop_id) {
- case GHOST_PROP_INTERNAL:
- g_value_set_object (value, GST_GHOST_PAD (object)->internal);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ /* ERRORS */
+could_not_set:
+ {
+ gst_critical ("Could not set internal pad %" GST_PTR_FORMAT, internal);
+ GST_PROXY_UNLOCK (pad);
+ return FALSE;
}
}
static void
gst_ghost_pad_dispose (GObject * object)
{
- g_object_set (object, "internal", NULL, NULL);
+ gst_ghost_pad_set_internal (GST_GHOST_PAD (object), NULL);
G_OBJECT_CLASS (gst_ghost_pad_parent_class)->dispose (object);
}
/**
+ * gst_ghost_pad_new_notarget:
+ * @name: the name of the new pad, or NULL to assign a default name.
+ * @dir: the direction of the ghostpad
+ *
+ * Create a new ghostpad without a target with the given direction.
+ * A target can be set on the ghostpad later with the
+ * #gst_ghost_pad_set_target() function.
+ *
+ * The created ghostpad will not have a padtemplate.
+ *
+ * Returns: a new #GstPad, or NULL in case of an error.
+ */
+GstPad *
+gst_ghost_pad_new_notarget (const gchar * name, GstPadDirection dir)
+{
+ GstPad *ret;
+
+ ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name, "direction", dir, NULL);
+
+ gst_pad_set_activatepush_function (ret, gst_ghost_pad_do_activate_push);
+ gst_pad_set_link_function (ret, gst_ghost_pad_do_link);
+ gst_pad_set_unlink_function (ret, gst_ghost_pad_do_unlink);
+
+ return ret;
+}
+
+/**
* gst_ghost_pad_new:
* @name: the name of the new pad, or NULL to assign a default name.
* @target: the pad to ghost.
*
+ * Create a new ghostpad with @target as the target. The direction and
+ * padtemplate will be taken from the target pad.
+ *
* Will ref the target.
*
* Returns: a new #GstPad, or NULL in case of an error.
GstPad *ret;
g_return_val_if_fail (GST_IS_PAD (target), NULL);
- g_return_val_if_fail (!GST_PAD_IS_LINKED (target), NULL);
+ g_return_val_if_fail (!gst_pad_is_linked (target), NULL);
- ret = g_object_new (GST_TYPE_GHOST_PAD,
- "name", name,
- "direction", GST_PAD_DIRECTION (target),
- "template", GST_PAD_PAD_TEMPLATE (target), "target", target, NULL);
+ if ((ret = gst_ghost_pad_new_notarget (name, GST_PAD_DIRECTION (target)))) {
+ g_object_set (G_OBJECT (ret),
+ "template", GST_PAD_PAD_TEMPLATE (target), NULL);
+ gst_ghost_pad_set_target (GST_GHOST_PAD (ret), target);
+ }
+ return ret;
+}
- gst_pad_set_activatepush_function (ret, gst_ghost_pad_do_activate_push);
- gst_pad_set_link_function (ret, gst_ghost_pad_do_link);
- gst_pad_set_unlink_function (ret, gst_ghost_pad_do_unlink);
+/**
+ * gst_ghost_pad_get_target:
+ * @gpad: the #GstGhostpad
+ *
+ * Get the target pad of #gpad. Unref after usage.
+ *
+ * Returns: the target #GstPad, can be NULL if the ghostpad
+ * has no target set. Unref after usage.
+ */
+GstPad *
+gst_ghost_pad_get_target (GstGhostPad * gpad)
+{
+ g_return_val_if_fail (GST_IS_GHOST_PAD (gpad), NULL);
- return ret;
+ return gst_proxy_pad_get_target (GST_PAD_CAST (gpad));
+}
+
+/**
+ * gst_ghost_pad_set_target:
+ * @gpad: the #GstGhostpad
+ * @newtarget: the new pad target
+ *
+ * Set the new target of the ghostpad @gpad. Any existing target
+ * is unlinked.
+ *
+ * Returns: TRUE if the new target could be set, FALSE otherwise.
+ */
+gboolean
+gst_ghost_pad_set_target (GstGhostPad * gpad, GstPad * newtarget)
+{
+ g_return_val_if_fail (GST_IS_GHOST_PAD (gpad), FALSE);
+
+ return gst_proxy_pad_set_target (GST_PAD_CAST (gpad), newtarget);
}
projects / platform / upstream / gstreamer.git / commitdiff