Comment #14 on issue 687 by chicagogrooves: Enhancement: inequal MIDI
quantization of equal durations (swing, rubato)
http://code.google.com/p/lilypond/issues/detail?id=687
Here is a prototype scheme-based implementation which works for streams of
notes/rests which are quarter-note length or less:
http://music.chicagogrooves.com/lilypond-swing-dev.zip
A couple of things I wish I had when doing this:
1. A way to simply add to the duration of a note - instead of needing call
ly:compress-music with some clever ratio - I just want to add or subtract
1/6 of a quarter note and be done with it
2. A way of iterating which tells me not just the duration of the current
event, but the amount of time in moments since the beginning. I just
created a few bookkeeping variables to keep track in my map-music block.
3. An understanding of why I need (begin ) blocks and what they do..
4. A REPL for testing out scheme stuff
But I'm excited to have at least this - feedback would be very welcomed
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