diff -r 000000000000 -r 0e761a78d257 gstreamer_core/libs/gst/controller/gstlfocontrolsource.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/libs/gst/controller/gstlfocontrolsource.h	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,114 @@
+/* GStreamer
+ *
+ * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
+ *
+ * gstlfocontrolsource.h: Control source that provides some periodic waveforms
+ *                        as control values.
+ *
+ * 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_LFO_CONTROL_SOURCE_H__
+#define __GST_LFO_CONTROL_SOURCE_H__
+
+#include <glib-object.h>
+#include <gst/gst.h>
+
+#include "gstcontrolsource.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_LFO_CONTROL_SOURCE \
+  (gst_lfo_control_source_get_type ())
+#define GST_LFO_CONTROL_SOURCE(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSource))
+#define GST_LFO_CONTROL_SOURCE_CLASS(vtable) \
+  (G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass))
+#define GST_IS_LFO_CONTROL_SOURCE(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_LFO_CONTROL_SOURCE))
+#define GST_IS_LFO_CONTROL_SOURCE_CLASS(vtable) \
+  (G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_LFO_CONTROL_SOURCE))
+#define GST_LFO_CONTROL_SOURCE_GET_CLASS(inst) \
+  (G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass))
+
+#define GST_TYPE_LFO_WAVEFORM (gst_lfo_waveform_get_type ())
+
+typedef struct _GstLFOControlSource GstLFOControlSource;
+typedef struct _GstLFOControlSourceClass GstLFOControlSourceClass;
+typedef struct _GstLFOControlSourcePrivate GstLFOControlSourcePrivate;
+
+/**
+ * GstLFOWaveform:
+ * @GST_LFO_WAVEFORM_SINE: sine waveform
+ * @GST_LFO_WAVEFORM_SQUARE: square waveform
+ * @GST_LFO_WAVEFORM_SAW: saw waveform
+ * @GST_LFO_WAVEFORM_REVERSE_SAW: reverse saw waveform
+ * @GST_LFO_WAVEFORM_TRIANGLE: triangle waveform
+ *
+ * The various waveform modes available.
+ */
+typedef enum
+{
+  GST_LFO_WAVEFORM_SINE,
+  GST_LFO_WAVEFORM_SQUARE,
+  GST_LFO_WAVEFORM_SAW,
+  GST_LFO_WAVEFORM_REVERSE_SAW,
+  GST_LFO_WAVEFORM_TRIANGLE
+} GstLFOWaveform;
+
+/**
+ * GstLFOControlSource:
+ *
+ * The instance structure of #GstControlSource.
+ */
+struct _GstLFOControlSource {
+  GstControlSource parent;
+
+  /* <private> */
+  GstLFOControlSourcePrivate *priv;
+  GMutex *lock;
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+struct _GstLFOControlSourceClass {
+  GstControlSourceClass parent_class;
+  
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_lfo_control_source_get_type (void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GType gst_lfo_waveform_get_type (void);
+
+/* Functions */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstLFOControlSource *gst_lfo_control_source_new (void);
+
+G_END_DECLS
+
+#endif /* __GST_LFO_CONTROL_SOURCE_H__ */