1 files changed, 173 insertions, 0 deletions
diff --git a/plugins/nle/nleobject.h b/plugins/nle/nleobject.h
new file mode 100644
index 00000000..1e0272e4
--- /dev/null
+++ b/plugins/nle/nleobject.h
@@ -0,0 +1,173 @@
+/* GStreamer
+ * Copyright (C) 2001 Wim Taymans <wim.taymans@gmail.com>
+ *               2004-2008 Edward Hervey <bilboed@bilboed.com>
+ *
+ * nleobject.h: Header for base NleObject
+ *
+ * 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 __NLE_OBJECT_H__
+#define __NLE_OBJECT_H__
+
+#include <gst/gst.h>
+
+#include "nletypes.h"
+
+G_BEGIN_DECLS
+#define NLE_TYPE_OBJECT \
+  (nle_object_get_type())
+#define NLE_OBJECT(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),NLE_TYPE_OBJECT,NleObject))
+#define NLE_OBJECT_CAST(obj) ((NleObject*) (obj))
+#define NLE_OBJECT_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),NLE_TYPE_OBJECT,NleObjectClass))
+#define NLE_OBJECT_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), NLE_TYPE_OBJECT, NleObjectClass))
+#define NLE_IS_OBJECT(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),NLE_TYPE_OBJECT))
+#define NLE_IS_OBJECT_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),NLE_TYPE_OBJECT))
+
+#define NLE_OBJECT_SRC(obj) (((NleObject *) obj)->srcpad)
+
+/**
+ * NleObjectFlags:
+ * @NLE_OBJECT_IS_SOURCE:
+ * @NLE_OBJECT_IS_OPERATION:
+ * @NLE_OBJECT_IS_EXPANDABLE: The #NleObject start/stop will extend accross the full composition.
+ * @NLE_OBJECT_LAST_FLAG:
+*/
+
+typedef enum
+{
+  NLE_OBJECT_SOURCE = (GST_BIN_FLAG_LAST << 0),
+  NLE_OBJECT_OPERATION = (GST_BIN_FLAG_LAST << 1),
+  NLE_OBJECT_EXPANDABLE = (GST_BIN_FLAG_LAST << 2),
+  NLE_OBJECT_COMPOSITION = (GST_BIN_FLAG_LAST << 3),
+  /* padding */
+  NLE_OBJECT_LAST_FLAG = (GST_BIN_FLAG_LAST << 5)
+} NleObjectFlags;
+
+
+#define NLE_OBJECT_IS_SOURCE(obj) \
+  (GST_OBJECT_FLAG_IS_SET(obj, NLE_OBJECT_SOURCE))
+#define NLE_OBJECT_IS_OPERATION(obj) \
+  (GST_OBJECT_FLAG_IS_SET(obj, NLE_OBJECT_OPERATION))
+#define NLE_OBJECT_IS_EXPANDABLE(obj) \
+  (GST_OBJECT_FLAG_IS_SET(obj, NLE_OBJECT_EXPANDABLE))
+#define NLE_OBJECT_IS_COMPOSITION(obj) \
+  (GST_OBJECT_FLAG_IS_SET(obj, NLE_OBJECT_COMPOSITION))
+
+/* For internal usage only */
+#define NLE_OBJECT_START(obj) (NLE_OBJECT_CAST (obj)->start)
+#define NLE_OBJECT_STOP(obj) (NLE_OBJECT_CAST (obj)->stop)
+#define NLE_OBJECT_DURATION(obj) (NLE_OBJECT_CAST (obj)->duration)
+#define NLE_OBJECT_INPOINT(obj) (NLE_OBJECT_CAST (obj)->inpoint)
+#define NLE_OBJECT_PRIORITY(obj) (NLE_OBJECT_CAST (obj)->priority)
+#define NLE_OBJECT_ACTIVE(obj) (NLE_OBJECT_DURATION(obj) > 0 && NLE_OBJECT_CAST (obj)->active)
+
+#define NLE_OBJECT_IS_COMMITING(obj) (NLE_OBJECT_CAST (obj)->commiting)
+
+struct _NleObject
+{
+  GstBin parent;
+
+  GstPad *srcpad;
+
+  /* Time positionning */
+  GstClockTime start;
+  GstClockTime inpoint;
+  GstClockTimeDiff duration;
+
+  /* Pending time positionning
+   * Should be == GST_CLOCK_TIME_NONE when nothing to do
+   */
+  GstClockTime pending_start;
+  GstClockTime pending_inpoint;
+  GstClockTimeDiff pending_duration;
+  guint32 pending_priority;
+  gboolean pending_active;
+
+  gboolean commit_needed;
+  gboolean commiting; /* Set to TRUE during the commiting time only */
+
+  gboolean expandable;
+
+  /* read-only */
+  GstClockTime stop;
+
+  /* priority in parent */
+  guint32 priority;
+
+  /* active in parent */
+  gboolean active;
+
+  /* Filtering caps */
+  GstCaps *caps;
+
+  /* current segment seek <RO> */
+  gdouble segment_rate;
+  GstSeekFlags segment_flags;
+  gint64 segment_start;
+  gint64 segment_stop;
+
+  gboolean in_composition;
+};
+
+struct _NleObjectClass
+{
+  GstBinClass parent_class;
+
+  /* Signal method handler */
+  gboolean (*commit_signal_handler) (NleObject * object, gboolean recurse);
+
+  /* virtual methods for subclasses */
+    gboolean (*prepare) (NleObject * object);
+    gboolean (*cleanup) (NleObject * object);
+    gboolean (*commit) (NleObject * object, gboolean recurse);
+};
+
+GType nle_object_get_type (void)G_GNUC_INTERNAL;
+
+gboolean
+nle_object_to_media_time (NleObject * object, GstClockTime otime,
+			  GstClockTime * mtime) G_GNUC_INTERNAL;
+
+gboolean
+nle_media_to_object_time (NleObject * object, GstClockTime mtime,
+			  GstClockTime * otime) G_GNUC_INTERNAL;
+
+void
+nle_object_set_caps (NleObject * object, const GstCaps * caps) G_GNUC_INTERNAL;
+
+void
+nle_object_set_commit_needed (NleObject *object) G_GNUC_INTERNAL;
+
+gboolean
+nle_object_commit (NleObject *object, gboolean recurse) G_GNUC_INTERNAL;
+
+void
+nle_object_reset (NleObject *object) G_GNUC_INTERNAL;
+
+GstStateChangeReturn
+nle_object_cleanup (NleObject * object) G_GNUC_INTERNAL;
+
+void nle_object_seek_all_children (NleObject *object, GstEvent *seek_event) G_GNUC_INTERNAL;
+
+G_END_DECLS
+#endif /* __NLE_OBJECT_H__ */