dottes: makeWebAudio.sh annotate

annotate makeWebAudio.sh @ 399:aeef7b1ca0ad

Make 1/4, 1/2 and 3/4 speed audio for tunes. Name them 'veryslow', 'slow' and 'littleslow'.

author	Jim Hague <jim.hague@acm.org>
date	Mon, 02 Sep 2013 10:15:56 +0100
parents	ae9c05d2aafd
children	f1c4abe4fc75

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
399 aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	42 # Make audio for a new tempo for the abc file $1, giving the output files
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	43 # the same name with a prefix $2. The new tempo is the original tempo
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	44 # (120 used if not specified), multiplied by $3 and divided by $4.
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	45 makeaudiofortempo()
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	46 {
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	47 name=`basename $filename .abc`
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	48 newspeedfilename="$2-${name}.abc"
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	49
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	50 # Prepare new speed audio files.
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	51 # The tempo is either a plain number, or <notelen>=<number>.
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	52 tempo=`$dir/abcfield.py --field Q $1`
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	53 if [ -z $tempo ]; then
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	54 echo "Warning: $1 has no tempo. Using 120."
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	55 tempo="120"
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	56 fi
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	57 pos=`expr index $tempo '='`
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	58 numtempo=${tempo:pos}
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	59 notelenprefix=${tempo:0:pos}
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	60 # Calculate new tempo.
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	61 newtempo=$(( ( $numtempo * $3 ) / $4 ))
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	62 # Insert new tempo and delete old. Old may not exist,
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	63 # so do this rather than overwrite.
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	64 sed -e "/^Q:/d" -e "/^K:/aQ: ${notelenprefix}${newtempo}" $1 > $builddir/$newspeedfilename
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	65 makeaudiofiles $builddir/$newspeedfilename
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	66 rm $builddir/$newspeedfilename
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	67 }
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	68
394 ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	69 # 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	70 find $booke -name "*.abc" \| sort \|
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	71 while read filename
d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	72 do
394 ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	73 makeaudiofiles $filename
ae9c05d2aafd Make slow speed web audio files. Jim Hague <jim.hague@acm.org> parents: 393 diff changeset	74
399 aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	75 # Now make 1/4, 1/2 and 3/4 speed audio.
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	76 makeaudiofortempo $filename "veryslow" 1 4
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	77 makeaudiofortempo $filename "slow" 1 2
aeef7b1ca0ad Make 1/4, 1/2 and 3/4 speed audio for tunes. Jim Hague <jim.hague@acm.org> parents: 394 diff changeset	78 makeaudiofortempo $filename "littleslow" 3 4
43 d92717f8130c First go at producing a very simple website. Jim Hague <jim.hague@laicatc.com> parents: diff changeset	79 done

Mercurial > dottes

annotate makeWebAudio.sh @ 399:aeef7b1ca0ad