Re: Not every sustainOn command works properly in midi output

[Trevor Daniels]

It's because the \sustainOn and \sustainOff are written
to occur at the same musical moment.  You'll need to
introduce a small time separation between them, perhaps by
adjusting the spacer rests.

Trevor

----- Original Message ----- 
From: "Michael Pozhidaev" <address@hidden>
To: <address@hidden>
Sent: Saturday, January 03, 2009 6:00 AM
Subject: Not every sustainOn command works properly in midi output


> Hello!
>
> I have noticed something strange, looks like a bug
> with producing midi files for piano pieces.
>
> It appears in lilypond 2.11.61 and 2.12.1 built from sources  for 64-bit 
> linux
> and lilypond 2.12.1 from the binary linux-x86_64 distribution.
> Everything was OK in old lilypond-2.11.0 (but using \sustainDown command
> instead of \sustainOn)
>
> In the following snippet there are two marks, 1 and 2.
> The \sustainOn command in the line below mark1 works properly,
> but the one below mark2 do nothing. In this message there is midi file I
> got
> with this code. Is it a bug or I do something wrong?
> Thanks!
>
> \version "2.11.61"
>
> partOneLeft = {
>  \key c \minor
>  \time 6/8
>  \clef bass
>
>  \tempo 4 = 140
>
>  <f as c'>4. f'4( c'8
>  f4 as2)
>  <g b d'>4. g'4( d'8
>  g4 b2)
>  c4( es8 g4 c'8
>  c2.)
> }
>
> partOneLeftMidi = {
>
> %%mark1:
>  s4. \sustainOn s4 s8
>  s4 s2
>
> %%mark2:
>  s4. \sustainOff \sustainOn s4 s8
>  s4 s2
>
>  s4 \sustainOff \sustainOn s8 s4 s8
>  s2. \sustainOff
> }
>
> \score {
>  \new PianoStaff <<
>    \set PianoStaff.instrumentName = "piano"
>    \new Staff = "lower" <<
>      {
> \partOneLeft
>      }
>      {
> \partOneLeftMidi
>      }
>    >>
>  >>
>  \midi { }
> }
>
> --
> Michael Pozhidaev. E-mail: address@hidden
> Tomsk State University. http://www.csd.tsu.ru
> ALT Linux Team. http://www.altlinux.ru


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