change the use of "SMPTE" to "Timecode" to reflect the global economy and the end of american dominance on the world audio production stage

git-svn-id: svn://localhost/ardour2/branches/3.0@5924 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 79 insertions, 0 deletions

diff --git a/libs/ardour/ardour/timecode.h b/libs/ardour/ardour/timecode.h
new file mode 100644
index 0000000000..dd357ea33c
--- /dev/null
+++ b/libs/ardour/ardour/timecode.h
@@ -0,0 +1,79 @@
+/*  Copyright (C) 2006 Paul Davis
+
+    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.,
+    51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __ardour_timecode_h__
+#define __ardour_timecode_h__
+
+#include <inttypes.h>
+
+namespace Timecode {
+
+enum Wrap {
+	NONE = 0,
+	FRAMES,
+	SECONDS,
+	MINUTES,
+	HOURS
+};
+
+/** Timecode frame rate (in frames per second).
+ *
+ * This should be eliminated in favour of a float to support arbitrary rates.
+ */
+enum FPS {
+    MTC_24_FPS = 0,
+    MTC_25_FPS = 1,
+    MTC_30_FPS_DROP = 2,
+    MTC_30_FPS = 3
+};
+
+struct Time {
+	bool       negative;
+	uint32_t   hours;
+	uint32_t   minutes;
+	uint32_t   seconds;
+	uint32_t   frames;       ///< Timecode frames (not audio samples)
+	uint32_t   subframes;    ///< Typically unused
+	FPS        rate;         ///< Frame rate of this Time
+	static FPS default_rate; ///< Rate to use for default constructor
+
+	Time(FPS a_rate = default_rate) {
+		negative = false;
+		hours = 0;
+		minutes = 0;
+		seconds = 0;
+		frames = 0;
+		subframes = 0;
+		rate = a_rate;
+	}
+};
+
+Wrap increment( Time& timecode );
+Wrap decrement( Time& timecode );
+Wrap increment_subframes( Time& timecode );
+Wrap decrement_subframes( Time& timecode );
+Wrap increment_seconds( Time& timecode );
+Wrap increment_minutes( Time& timecode );
+Wrap increment_hours( Time& timecode );
+void frames_floor( Time& timecode );
+void seconds_floor( Time& timecode );
+void minutes_floor( Time& timecode );
+void hours_floor( Time& timecode );
+
+} // namespace Timecode
+
+#endif  // __ardour_timecode_h__