Aegisub/Aegisub — pull request #10 by tophf (2014-05-04 01:59:45+00:00)
Title: Expose more stuff for automation

* **active_frame()** - returns active video frame or nil.

The next functions load/close corresponding file, return true on success, nil otherwise.
* **load_keyframes**(path), **close_keyframes**()
* **load_timecodes**(path), **close_timecodes**()
* **load_video**(path), **close_video**()
* **load_audio**(path), **close_audio**()