- **Patch**: new --> needs_work
- **Comment**:

This fails a basic 'make' when applied to current master.

Also Christopher, if and when you submit a new patch, can you clean up the 
whitespace errors that are also reported ('git apply' squelches some, but I can 
see that you are using tabs in the diff on Rietveld and this will cause 
comments by other devs). Also see:

http://lilypond.org/doc/v2.19/Documentation/contributor-big-page#policy-decisions-_0028finished_0029




---

** [issues:#5119] MIDI2Ly fraction reduction**

**Status:** Started
**Created:** Sun Apr 16, 2017 02:32 PM UTC by Colin Campbell
**Last Updated:** Sat May 27, 2017 08:22 AM UTC
**Owner:** pkx166h


Submitted by Christopher Heckman:

When midi2ly is run, it will print fractions with large numerators
and denominators, like

r4*361/120 e4*29/120 r4*31/120 e4*59/120 r4*361/120 e4*29/120

when the actual durations are more likely to be

r2. e4*1/4 r4*1/4 e4*1/2 r2. e4*1/4 r4*1/4 e4*1/2 r2. e4*1/4

I have written a patch to fix this. 

--
Fixes to midi2ly.py: better note lengths, now supports meter changes

(1) Note lengths currently are fractions like 61/120. If the numerator
can be changed by 1 to get a better fraction, it is done. Quarter
notes are also replaced with eighths/sixteenths if appropriate.
For example: a duration of 461/120 is changed to 41/2 and then
to 8. (2) Current version of midi2ly does not support meter changes.
Patch does.

Resolves: #5119

http://codereview.appspot.com/325800043


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