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comparison makeWebAudio.sh @ 943:d6e2a281cceb build-default-344

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Change web page layout. Put tune contents under 'tunes/<name>' or 'tunes-<instrument>/<name>'. That way they won't move if the tune gets moved between Bookes. For now I have not attempted to redirect old URLs.
author Jim Hague <jim.hague@acm.org>
date Mon, 05 Aug 2019 23:25:28 +0100
parents b83b49f2a0a0
children e4d31e094d24
comparison
equal deleted inserted replaced
942:a774b3b3cad7 943:d6e2a281cceb
10 fi 10 fi
11 11
12 dir=`pwd` 12 dir=`pwd`
13 13
14 booke=$dir/$1 14 booke=$dir/$1
15 builddir=$dir/web/$1 15 basewebdir=$dir/web
16 16 basetunedir=$basewebdir/tunes
17 mkdir -p $builddir
18 17
19 # Make MP3 and OGG files for the input .abc. Since we're listening to 18 # Make MP3 and OGG files for the input .abc. Since we're listening to
20 # a doorbell playing the tunes, go for lowest quality (and hence smallest) 19 # a doorbell playing the tunes, go for lowest quality (and hence smallest)
21 # MP3 and OGG. $1 is the input filename, $2 is optional args for timidity. 20 # MP3 and OGG. $1 is the input filename, $2 is the output directory,
21 # $3 is optional args for timidity.
22 makeaudiofiles() 22 makeaudiofiles()
23 { 23 {
24 name=`basename $1 .abc` 24 name=`basename $1 .abc`
25 tunedir="$2"
25 26
26 abc2midi $1 -o $builddir/${name}.mid 27 abc2midi $1 -o $tunedir/${name}.tmp.mid
27 timidity -OwM $2 -o $builddir/${name}.wav $builddir/${name}.mid 28 mv $tunedir/${name}.tmp.mid $tunedir/${name}.mid
28 lame -m m -V 9 --quiet $builddir/${name}.wav $builddir/${name}.mp3 29 timidity -OwM $3 -o $tunedir/${name}.wav $tunedir/${name}.mid
30 lame -m m -V 9 --quiet $tunedir/${name}.wav $tunedir/${name}.tmp.mp3
31 mv $tunedir/${name}.tmp.mp3 $tunedir/${name}.mp3
29 # Timidity can generate OGG directly. But we need to generate WAV 32 # Timidity can generate OGG directly. But we need to generate WAV
30 # for lame, and oggenc produces smaller output. OGG is needed for 33 # for lame, and oggenc produces smaller output. OGG is needed for
31 # Firefox's audio tag. FF doesn't support MP3, some others support 34 # Firefox's audio tag. FF doesn't support MP3, some others support
32 # MP3 but not OGG. 35 # MP3 but not OGG.
33 oggenc -Q -q 0 -o $builddir/${name}.ogg $builddir/${name}.wav 36 oggenc -Q -q 0 -o $tunedir/${name}.tmp.ogg $tunedir/${name}.wav
37 mv $tunedir/${name}.tmp.ogg $tunedir/${name}.ogg
34 38
35 rm $builddir/${name}.wav 39 rm $tunedir/${name}.wav
36 } 40 }
37 41
38 # Make audio for a new tempo for the abc file $1, giving the output files 42 # Make audio for a new tempo for the abc file $1, giving the output
39 # the same name with a prefix $2. The new tempo is the original tempo 43 # files the same name with a prefix $3 in output directory $2. The new
40 # (120 used if not specified), multiplied by $3 and divided by $4. 44 # tempo is the original tempo (120 used if not specified), multiplied
41 # These audio files are for Learner use; I've found that having the 45 # by $4 and divided by $5. These audio files are for Learner use;
42 # chords thumping away can make it hard to distinguish the melody, so 46 # I've found that having the chords thumping away can make it hard to
43 # arrange for timidity to mute everything except the melody track. 47 # distinguish the melody, so arrange for timidity to mute everything
48 # except the melody track.
44 makeaudiofortempo() 49 makeaudiofortempo()
45 { 50 {
46 name=`basename $filename .abc` 51 name=`basename $1 .abc`
47 newspeedfilename="$2-${name}.abc" 52 tunedir="$2"
53 newspeedfilename="$3-${name}.abc"
54 mkdir -p $tunedir
48 55
49 # Prepare new speed audio files. 56 # Prepare new speed audio files.
50 # The tempo is either a plain number, or <notelen>=<number>. 57 # The tempo is either a plain number, or <notelen>=<number>.
51 tempo=`$dir/abcfield.py --field Q $1` 58 tempo=`$dir/abcfield.py --field Q $1`
52 if [ -z $tempo ]; then 59 if [ -z $tempo ]; then
55 fi 62 fi
56 pos=`expr index $tempo '='` 63 pos=`expr index $tempo '='`
57 numtempo=${tempo:pos} 64 numtempo=${tempo:pos}
58 notelenprefix=${tempo:0:pos} 65 notelenprefix=${tempo:0:pos}
59 # Calculate new tempo. 66 # Calculate new tempo.
60 newtempo=$(( ( $numtempo * $3 ) / $4 )) 67 newtempo=$(( ( $numtempo * $4 ) / $5 ))
61 # Insert new tempo and delete old. Old may not exist, 68 # Insert new tempo and delete old. Old may not exist,
62 # so do this rather than overwrite. 69 # so do this rather than overwrite.
63 sed -e "/^Q:/d" -e "/^K:/aQ: ${notelenprefix}${newtempo}" $1 > $builddir/$newspeedfilename 70 sed -e "/^Q:/d" -e "/^K:/aQ: ${notelenprefix}${newtempo}" $1 > $tunedir/$newspeedfilename
64 makeaudiofiles $builddir/$newspeedfilename --mute=0,-1 71 makeaudiofiles $tunedir/$newspeedfilename $tunedir --mute=0,-1
65 rm $builddir/$newspeedfilename 72 rm $tunedir/$newspeedfilename
66 } 73 }
67 74
68 # Generate audio files and slow speed (currently half speed) audio files. 75 # Generate audio files and slow speed (currently half speed) audio files.
69 find $booke -maxdepth 1 -name "*.abc" | sort | 76 find $booke -maxdepth 1 -name "*.abc" | sort |
70 while read filename 77 while read filename
71 do 78 do
72 makeaudiofiles $filename 79 name=`basename $filename .abc`
80 tunedir=$basetunedir/$name
81 mkdir -p $tunedir
82
83 makeaudiofiles $filename $tunedir
73 84
74 # Now make 1/4, 1/2 and 3/4 speed audio. 85 # Now make 1/4, 1/2 and 3/4 speed audio.
75 makeaudiofortempo $filename "veryslow" 1 4 86 makeaudiofortempo $filename $tunedir "veryslow" 1 4
76 makeaudiofortempo $filename "slow" 2 4 87 makeaudiofortempo $filename $tunedir "slow" 2 4
77 makeaudiofortempo $filename "littleslow" 3 4 88 makeaudiofortempo $filename $tunedir "littleslow" 3 4
78 makeaudiofortempo $filename "normal" 4 4 89 makeaudiofortempo $filename $tunedir "normal" 4 4
79 done 90 done