1 files changed, 90 insertions, 0 deletions
diff --git a/gnl/gnloperation.h b/gnl/gnloperation.h
new file mode 100644
index 00000000..3d6454b7
--- /dev/null
+++ b/gnl/gnloperation.h
@@ -0,0 +1,90 @@
+/* GStreamer
+ * Copyright (C) 2001 Wim Taymans <wim.taymans@chello.be>
+ *               2004 Edward Hervey <bilboed@bilboed.com>
+ *
+ * gnloperation.h: Header for base GnlOperation
+ *
+ * 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef __GNL_OPERATION_H__
+#define __GNL_OPERATION_H__
+
+#include <gst/gst.h>
+#include "gnlobject.h"
+
+G_BEGIN_DECLS
+#define GNL_TYPE_OPERATION \
+  (gnl_operation_get_type())
+#define GNL_OPERATION(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GNL_TYPE_OPERATION,GnlOperation))
+#define GNL_OPERATION_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GNL_TYPE_OPERATION,GnlOperationClass))
+#define GNL_IS_OPERATION(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GNL_TYPE_OPERATION))
+#define GNL_IS_OPERATION_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GNL_TYPE_OPERATION))
+    struct _GnlOperation
+{
+  GnlObject parent;
+
+  /* <private> */
+
+  /* num_sinks:
+   * Number of sink inputs of the controlled element.
+   * -1 if the sink pads are dynamic */
+  gint num_sinks;
+
+  /* TRUE if element has request pads */
+  gboolean dynamicsinks;
+
+  /* realsinks:
+   * Number of sink pads currently used on the contolled element. */
+  gint realsinks;
+
+  /* FIXME : We might need to use a lock to access this list */
+  GList * sinks;		/* The sink ghostpads */
+  
+  GstPad *ghostpad;		/* src ghostpad */
+
+  GstElement *element;		/* controlled element */
+
+  GstClockTime next_base_time;
+};
+
+struct _GnlOperationClass
+{
+  GnlObjectClass parent_class;
+
+  void	(*input_priority_changed) (GnlOperation * operation, GstPad *pad, guint32 priority);
+};
+
+GstPad * get_unlinked_sink_ghost_pad (GnlOperation * operation);
+
+void
+gnl_operation_signal_input_priority_changed(GnlOperation * operation, GstPad *pad,
+					    guint32 priority);
+
+void gnl_operation_update_base_time (GnlOperation *operation,
+                                     GstClockTime timestamp);
+
+
+/* normal GOperation stuff */
+GType gnl_operation_get_type (void);
+
+G_END_DECLS
+#endif /* __GNL_OPERATION_H__ */