Re: [Lilypond-auto] Issue 4539 in lilypond: Set the sequence name in MIDI using title information from \header block

[lilypond]

Updates:
        Labels: -Type-Enhancement Fixed_2_19_26

Comment #21 on issue 4539 by address@hidden: Set the sequence name  
in MIDI using title information from \header block
https://code.google.com/p/lilypond/issues/detail?id=4539

pushed to staging as
commit ab6b5b6312019ac4d6ea8af57b2ba5aa4295b42f
Author: Heikki Tauriainen <address@hidden>
Date:   Sat Aug 15 21:33:31 2015 +0200

    Set the sequence name in MIDI using title information from
     \header block

    issue 4539

    This patch adds support for setting the MIDI sequence name for MIDI  
output files
    using the value of the "midititle" field from a relevant \header block,  
and
    falling back to using the "title" field if "midititle"
    has not been defined.  (This should be analogous to how "pdftitle"  
and "title"
    work for customizing PDF metadata.)

    The purpose of the change is to improve the previous behavior where the  
name of
    every MIDI sequence created by LilyPond used to be shown by MIDI  
synthesizers as
    "control track" (previously, this string was hard-coded as the name of  
every
    initial track of MIDI files created by LilyPond by  
Control_track_performer).

    The patch
      * extends every Performance instance with a reference to a \header  
block
    associated with the performance, adds Scheme library routines for  
getting and
    setting the associated \header (modeled after corresponding routines  
available
    for the Score class), and updates the Book::process_score function to  
initialize
    the header information of Performance objects attached to a score;
      * adds a "name" parameter to the Performance output routines, used for
    updating the track name in the performance's first Audio_staff (assumed  
to
    represent the control track) before outputting MIDI; and
      * changes the write-performances-midis function (in scm/midi.scm) to  
query the
    MIDI sequence name for a performance from the performance's \header  
block
    (adapted from the handle-metadata function in scm/framework-ps.scm).
      * adds two regtests


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