add empoMap::quarter_notes_between_frames().
authornick_m <mainsbridge@gmail.com>
Tue, 8 Nov 2016 13:37:52 +0000 (00:37 +1100)
committernick_m <mainsbridge@gmail.com>
Thu, 10 Nov 2016 16:37:08 +0000 (03:37 +1100)
commit0b7db6ebbb5dc297d9feeac3fac687c93651e6e4
tree4b583048b2787d0189838126a45fb0a835584112
parenta432f6585ce04e3500df1d64c7897158cc26d3a9
add empoMap::quarter_notes_between_frames().

- in an ideal world, this wouldn't be here at all,
  but is required to support framewalk_to_qn().
  if Beats are at tick resolution, the frame-induced
  temporal rounding is acceptable.
libs/ardour/ardour/tempo.h
libs/ardour/tempo.cc