Add FrameTime constructor from frames and fps.

2 files changed, 17 insertions, 0 deletions

diff --git a/src/frame_time.cc b/src/frame_time.cc
index 726c552..e9b72b7 100644
--- a/src/frame_time.cc
+++ b/src/frame_time.cc
@@ -61,3 +61,14 @@ FrameTime::timecode () const
 {
 	return String::compose ("%1:%2:%3:%4", _hours, _minutes, _seconds, _frames);
 }
+
+FrameTime::FrameTime (int64_t f, int fps)
+{
+	_hours = f / (60 * 60 * fps);
+	f -= _hours * 60 * 60 * fps;
+	_minutes = f / (60 * fps);
+	f -= _minutes * 60 * fps;
+	_seconds = f / fps;
+	f -= _seconds * fps;
+	_frames = int (f);
+}
diff --git a/src/frame_time.h b/src/frame_time.h
index 1a97e63..e721a29 100644
--- a/src/frame_time.h
+++ b/src/frame_time.h
@@ -21,6 +21,7 @@
 #define LIBSUB_FRAME_TIME_H
 
 #include <iostream>
+#include <stdint.h>
 
 namespace sub {
 
@@ -36,6 +37,11 @@ public:
 		, _seconds (0)
 		, _frames (0)
 	{}
+
+	/** @param f Number of frames.
+	 *  @param fps Frames per second.
+	 */
+	FrameTime (int64_t f, int fps);
 			  
 	FrameTime (int h, int m, int s, int f)
 		: _hours (h)