--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef TRANSPORTQUE_INC
+#define TRANSPORTQUE_INC
+
+// Directions
+#define PLAY_FORWARD 0
+#define PLAY_REVERSE 1
+
+// Commands
+// Perform change but don't render anything
+#define COMMAND_NONE 0
+// Stop playback but keep existing change_type flag
+#define STOP 7
+
+#define SINGLE_FRAME_FWD 1
+#define NORMAL_FWD 2
+#define FAST_FWD 3
+#define SINGLE_FRAME_REWIND 4
+#define NORMAL_REWIND 5
+#define FAST_REWIND 6
+#define PAUSE 8
+#define SLOW_FWD 9
+#define SLOW_REWIND 10
+#define REWIND 11
+#define GOTO_END 12
+#define CURRENT_FRAME 13
+
+// Level of change. Changes have to be inclusive of all the lesser changes.
+// Delete cache
+#define CHANGE_ALL 0xffffffff
+// Delete render engines
+#define CHANGE_EDL 0x11
+// Search EDL and synchronize parameters.
+#define CHANGE_PARAMS 0x1
+#define CHANGE_NONE 0x0
+
+class TransportCommand;
+class TransportQue;
+
+#endif