dottes: makeWebAudio.sh annotate

annotate makeWebAudio.sh @ 394:ae9c05d2aafd

Make slow speed web audio files.

author	Jim Hague <jim.hague@acm.org>
date	Sun, 01 Sep 2013 23:13:06 +0100
parents	c5d404bf68a3
children	aeef7b1ca0ad

rev	line source
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	1 #!/bin/bash
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	2 #
223 0ef955669a9a Make transposed tunes use the original audio. Jim Hague <jim.hague@acm.org> parents: 197 diff changeset	3 # Make audio required for the website but not for the book.
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	4 # They go into web/<book>.
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	5 #
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	6
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	7 if [ $# != 1 ]; then
223 0ef955669a9a Make transposed tunes use the original audio. Jim Hague <jim.hague@acm.org> parents: 197 diff changeset	8 echo "Usage: makeWebAudio.sh <book dir name>"
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	9 exit 1
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	10 fi
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	11
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	12 dir=`pwd`
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	13
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	14 booke=$dir/$1
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	15 builddir=$dir/web/$1
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	16
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	17 mkdir -p $builddir
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	18
394 ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	19 # Make MP3 and OGG files for the input .abc. In case we're generating
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	20 # to a live site (which we won't be), do this to temp files and rename
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	21 # into place to make updates as atomic as possible.
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	22 makeaudiofiles()
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	23 {
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	24 name=`basename $1 .abc`
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	25 tmpname=${name}.tmp
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	26
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	27 abc2midi $1 -o $builddir/${tmpname}.mid
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	28 timidity -OwM -o $builddir/${tmpname}.wav $builddir/${tmpname}.mid
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	29 lame -m m -V 9 --quiet $builddir/${tmpname}.wav $builddir/${tmpname}.mp3
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	30 # Timidity can generate OGG directly. But we need to generate WAV
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	31 # for lame, and oggenc produces smaller output. OGG is needed for
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	32 # Firefox's audio tag. FF doesn't support MP3, some others support
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	33 # MP3 but not OGG.
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	34 oggenc -Q -q 0 -o $builddir/${tmpname}.ogg $builddir/${tmpname}.wav
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	35
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	36 mv $builddir/${tmpname}.mid $builddir/${name}.mid
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	37 mv $builddir/${tmpname}.mp3 $builddir/${name}.mp3
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	38 mv $builddir/${tmpname}.ogg $builddir/${name}.ogg
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	39 rm $builddir/${tmpname}.wav
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	40 }
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	41
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	42 # Generate audio files and slow speed (currently half speed) audio files.
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	43 find $booke -name "*.abc" \| sort \|
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	44 while read filename
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	45 do
394 ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	46 makeaudiofiles $filename
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	47
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	48 name=`basename $filename .abc`
394 ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	49 slowspeedfilename="slowspeed-${name}.abc"
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	50
394 ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	51 # Prepare slow speed audio files.
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	52 # The tempo is either a plain number, or <notelen>=<number>.
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	53 tempo=`$dir/abcfield.py --field Q $filename`
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	54 if [ -z $tempo ]; then
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	55 echo "Warning: $filename has no tempo. Using 120."
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	56 tempo="120"
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	57 fi
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	58 pos=`expr index $tempo '='`
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	59 numtempo=${tempo:pos}
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	60 notelenprefix=${tempo:0:pos}
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	61 # Make new tempo half original speed.
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	62 newtempo=$(( $numtempo / 2 ))
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	63 # Insert new tempo and delete old. Old may not exist,
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	64 # so do this rather than overwrite.
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	65 sed -e "/^Q:/d" -e "/^K:/aQ: ${notelenprefix}${newtempo}" $filename > $builddir/$slowspeedfilename
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	66 makeaudiofiles $builddir/$slowspeedfilename
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	67 done

Mercurial > dottes

annotate makeWebAudio.sh @ 394:ae9c05d2aafd