1 files changed, 103 insertions, 0 deletions
diff --git a/libs/gst/controller/gstdirectcontrolbinding.h b/libs/gst/controller/gstdirectcontrolbinding.h
new file mode 100644
index 0000000..729d117
--- /dev/null
+++ b/libs/gst/controller/gstdirectcontrolbinding.h
@@ -0,0 +1,103 @@
+/* GStreamer
+ *
+ * Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
+ *
+ * gstdirectcontrolbinding.h: Direct attachment for control sources
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_DIRECT_CONTROL_BINDING_H__
+#define __GST_DIRECT_CONTROL_BINDING_H__
+
+#include <gst/gstconfig.h>
+
+#include <glib-object.h>
+
+#include <gst/gstcontrolsource.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_DIRECT_CONTROL_BINDING \
+  (gst_direct_control_binding_get_type())
+#define GST_DIRECT_CONTROL_BINDING(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRECT_CONTROL_BINDING,GstDirectControlBinding))
+#define GST_DIRECT_CONTROL_BINDING_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRECT_CONTROL_BINDING,GstDirectControlBindingClass))
+#define GST_IS_DIRECT_CONTROL_BINDING(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRECT_CONTROL_BINDING))
+#define GST_IS_DIRECT_CONTROL_BINDING_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRECT_CONTROL_BINDING))
+#define GST_DIRECT_CONTROL_BINDING_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_CONTOL_SOURCE, GstDirectControlBindingClass))
+
+typedef struct _GstDirectControlBinding GstDirectControlBinding;
+typedef struct _GstDirectControlBindingClass GstDirectControlBindingClass;
+
+/**
+ * GstDirectControlBindingConvert:
+ * @self: the #GstDirectControlBinding instance
+ * @src_value: the value returned by the cotnrol source
+ * @dest_value: the target GValue
+ *
+ * Function to map a control-value to the target GValue.
+ */
+typedef void (* GstDirectControlBindingConvert) (GstDirectControlBinding *self, gdouble src_value, GValue *dest_value);
+
+/**
+ * GstDirectControlBinding:
+ * @name: name of the property of this binding
+ *
+ * The instance structure of #GstDirectControlBinding.
+ */
+struct _GstDirectControlBinding {
+  GstControlBinding parent;
+  
+  /*< private >*/
+  GstControlSource *cs;    /* GstControlSource for this property */
+  GValue cur_value;
+  gdouble last_value;
+
+  GstDirectControlBindingConvert convert;
+
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+/**
+ * GstDirectControlBindingClass:
+ * @parent_class: Parent class
+ * @convert: Class method to convert control-values
+ *
+ * The class structure of #GstDirectControlBinding.
+ */
+
+struct _GstDirectControlBindingClass
+{
+  GstControlBindingClass parent_class;
+
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+GType gst_direct_control_binding_get_type (void);
+
+/* Functions */
+
+GstControlBinding * gst_direct_control_binding_new (GstObject * object, const gchar * property_name,
+                                                    GstControlSource * cs);
+G_END_DECLS
+
+#endif /* __GST_DIRECT_CONTROL_BINDING_H__ */