From c09393b5b94d124b76eeb6ff1981f25d63f229c2 Mon Sep 17 00:00:00 2001
From: Edward Hervey <bilboed@bilboed.com>
Date: Fri, 1 Dec 2006 17:41:28 +0000
Subject: [PATCH] gst/: Add implementation of gst.Pad.set_setcaps_function().

Original commit message from CVS:
* gst/common.h:
* gst/gstpad.override:
Add implementation of gst.Pad.set_setcaps_function().
---
 ChangeLog           |  6 ++++++
 gst/common.h        |  1 +
 gst/gstpad.override | 49 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index cf028eb839..ab14c59414 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-12-01  Edward Hervey  <edward@fluendo.com>
+
+	* gst/common.h:
+	* gst/gstpad.override:
+	Add implementation of gst.Pad.set_setcaps_function().
+
 2006-11-28  Edward Hervey  <edward@fluendo.com>
 
 	* configure.ac:
diff --git a/gst/common.h b/gst/common.h
index c276416949..e3957ee247 100644
--- a/gst/common.h
+++ b/gst/common.h
@@ -42,6 +42,7 @@ typedef struct {
 	GClosure *chain_function;
 	GClosure *get_function; 
 	GClosure *getcaps_function; 
+	GClosure *setcaps_function; 
 } PyGstPadPrivate;
 
 typedef struct {
diff --git a/gst/gstpad.override b/gst/gstpad.override
index f042cd9529..39335b74d7 100644
--- a/gst/gstpad.override
+++ b/gst/gstpad.override
@@ -80,6 +80,7 @@ free_pad_private (gpointer data)
   INVALIDATE_CLOSURE (private->chain_function)
   INVALIDATE_CLOSURE (private->get_function)
   INVALIDATE_CLOSURE (private->getcaps_function)
+  INVALIDATE_CLOSURE (private->setcaps_function)
 #undef INVALIDATE_CLOSURE
 }
 
@@ -347,6 +348,54 @@ _wrap_gst_pad_set_event_function (PyGObject *self,
 		     kwargs, event_function)
 }
 
+%%
+override gst_pad_set_setcaps_function kwargs
+
+static void EXCEPTION_HANDLER
+handle_setcaps_function_exception (GValue *ret, guint n, const GValue *params)
+{
+  GstElement *element = GST_ELEMENT (gst_pad_get_parent (g_value_get_object (&params[0])));
+  
+  if (!_pygst_element_check_error (element)) {
+    g_assert_not_reached (); /* only returns FALSE when there's no error */
+  }
+}
+
+static gboolean
+call_setcaps_function (GstPad *pad, GstCaps *caps)
+{
+    GClosure *closure;
+    GValue ret = { 0, };
+    GValue args[2] = { { 0, }, { 0, } };
+    gboolean bool;
+    
+    g_value_init (&ret, G_TYPE_BOOLEAN);
+    g_value_set_boolean (&ret, FALSE);
+    g_value_init (&args[0], GST_TYPE_PAD);
+    g_value_init (&args[1], GST_TYPE_CAPS);
+    g_value_set_object (&args[0], pad);
+    gst_value_set_caps (&args[1], (const GstCaps*) caps);
+    closure = pad_private(pad)->setcaps_function;
+    
+    g_closure_invoke (closure, &ret, 2, args, NULL);
+
+    bool = g_value_get_boolean (&ret);
+
+    g_value_unset (&ret);
+    g_value_unset (&args[0]);
+    g_value_unset (&args[1]);
+    return bool;
+}
+
+static PyObject*
+_wrap_gst_pad_set_setcaps_function (PyGObject *self,
+                  PyObject  *args,
+                  PyObject  *kwargs)
+{
+    SET_PAD_CLOSURE (self, args, 
+		     kwargs, setcaps_function)
+}
+
 %%
 override-slot GstPad.tp_repr
 static PyObject *