diff options
Diffstat (limited to 'src/frame_time.cc')
| -rw-r--r-- | src/frame_time.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/frame_time.cc b/src/frame_time.cc index da9973c..65996c0 100644 --- a/src/frame_time.cc +++ b/src/frame_time.cc @@ -64,6 +64,12 @@ FrameTime::timecode () const FrameTime::FrameTime (int64_t f, float fps) { + set_from_frames (f, fps); +} + +void +FrameTime::set_from_frames (int64_t f, float fps) +{ _hours = f / (60 * 60 * fps); f -= _hours * 60 * 60 * fps; _minutes = f / (60 * fps); @@ -96,3 +102,12 @@ FrameTime::add (FrameTime t, float fps) _hours += t.hours (); } + +void +FrameTime::scale (float f, float frames_per_second) +{ + set_from_frames ( + (((_hours * 3600 + _minutes * 60 + _seconds) * frames_per_second) + _frames) * f, + frames_per_second + ); +} |