Copyright-holder and year information is extracted from git log.
git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
Generated by tools/f2s. Some hand-editing will be required in a few places to fix up comments related to timecode
and video in order to keep the legible
Remove (always false) duration & is_transient and (always true) editable,
with_info & follows_playhead parameters from MainClock constructor, and just
pass the requisite true & false values along to the AudioClock constructor
instead.