misc/tools/cached-converter.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 : ${CACHEDIR:=$HOME/.xonotic-cached-converter}
   6 : ${do_jpeg:=true}
   7 : ${jpeg_qual_rgb:=95}
   8 : ${jpeg_qual_a:=99}
   9 : ${do_dds:=true}
  10 : ${dds_tool:=compressonator-dxtc}
  11 : ${do_ogg:=false}
  12 : ${ogg_qual:=1}
  13 : ${del_src:=false}
  14
  15 me=$0
  16 case "$me" in
  17         */*)
  18                 meprefix=${me%/*}/
  19                 ;;
  20         *)
  21                 meprefix=
  22                 ;;
  23 esac
  24
  25 tmpdir=`mktemp -d -t cached-converter.XXXXXX`
  26 trap 'exit 1' INT
  27 trap 'rm -rf "$tmpdir"' EXIT
  28
  29 lastinfiles=
  30 lastinfileshash=
  31 cached()
  32 {
  33         flag=$1; shift
  34         method=$1; shift
  35         infile1=$1; shift
  36         infile2=$1; shift
  37         outfile1=$1; shift
  38         outfile2=$1; shift
  39         if ! $flag; then
  40                 return 0
  41         fi
  42         if [ x"$infile1" = x"$outfile1" ]; then
  43                 keep=true
  44         fi
  45         options=`echo "$*" | git hash-object --stdin`
  46         if [ x"$infile1/../$infile2" = x"$lastinfiles" ]; then
  47                 sum=$lastinfileshash
  48         else
  49                 sum=`git hash-object "$infile1"`
  50                 if [ -n "$infile2" ]; then
  51                         sum=$sum`git hash-object "$infile2"`
  52                 fi
  53                 lastinfileshash=$sum
  54         fi
  55         mkdir -p "$CACHEDIR/$method-$options"
  56         name1="$CACHEDIR/$method-$options/$sum-1.${outfile1##*.}"
  57         [ -z "$outfile2" ] || name2="$CACHEDIR/$method-$options/$sum-2.${outfile2##*.}"
  58         tempfile1="${name1%/*}/new-${name1##*/}"
  59         [ -z "$outfile2" ] || tempfile2="${name2%/*}/new-${name2##*/}"
  60         if [ -f "$name1" ] && { [ -z "$outfile2" ] || [ -f "$name2" ]; }; then
  61                 case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
  62                 [ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
  63                 conv=true
  64         elif "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
  65                 mv "$tempfile1" "$name1"
  66                 [ -z "$outfile2" ] || mv "$tempfile2" "$name2"
  67                 case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
  68                 [ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
  69                 conv=true
  70         else
  71                 rm -f "$tempfile1"
  72                 rm -f "$tempfile2"
  73                 exit 1
  74         fi
  75 }
  76
  77 reduce_jpeg2_dds()
  78 {
  79         i=$1; shift
  80         ia=$1; shift
  81         o=$1; shift; shift
  82         convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.tga" && \
  83         "$meprefix"compress-texture "$dds_tool" dxt5 "$tmpdir/x.tga" "$o" $1
  84 }
  85
  86 reduce_jpeg2_jpeg2()
  87 {
  88         i=$1; shift
  89         ia=$1; shift
  90         o=$1; shift
  91         oa=$1; shift
  92         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
  93         cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
  94 }
  95
  96 reduce_jpeg_jpeg()
  97 {
  98         i=$1; shift; shift
  99         o=$1; shift; shift
 100         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
 101 }
 102
 103 reduce_ogg()
 104 {
 105         i=$1; shift; shift
 106         o=$1; shift; shift
 107         oggdec -o "$tmpdir/x.wav" "$i" && \
 108         oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
 109 }
 110
 111 reduce_rgba_dds()
 112 {
 113         i=$1; shift; shift
 114         o=$1; shift; shift
 115         convert "$i" "$tmpdir/x.tga" && \
 116         "$meprefix"compress-texture "$dds_tool" dxt5 "$tmpdir/x.tga" "$o" $1
 117 }
 118
 119 reduce_rgba_jpeg2()
 120 {
 121         i=$1; shift; shift
 122         o=$1; shift
 123         oa=$1; shift
 124         convert "$i" -alpha extract -quality 100 "$o" && \
 125         convert "$i" -alpha off     -quality 100 "$oa" && \
 126         jpegoptim --strip-all -m"$1" "$o" && \
 127         jpegoptim --strip-all -m"$2" "$oa"
 128 }
 129
 130 reduce_rgb_dds()
 131 {
 132         i=$1; shift; shift
 133         o=$1; shift; shift
 134         convert "$i" "$tmpdir/x.tga" && \
 135         "$meprefix"compress-texture "$dds_tool" dxt1 "$tmpdir/x.tga" "$o" $1
 136 }
 137
 138 reduce_rgb_jpeg()
 139 {
 140         i=$1; shift; shift
 141         o=$1; shift; shift
 142         convert "$i" "$o" && \
 143         jpegoptim --strip-all -m"$1" "$o"
 144 }
 145
 146 has_alpha()
 147 {
 148         i=$1; shift; shift
 149         o=$1; shift; shift
 150         if convert "$F" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; } exit 0;'; then
 151                 # no alpha
 152                 : > "$o"
 153         else
 154                 # has alpha
 155                 echo yes > "$o"
 156         fi
 157 }
 158
 159 for F in "$@"; do
 160         echo >&2 "Handling $F..."
 161         conv=false
 162         keep=false
 163         case "$F" in
 164                 *_alpha.jpg)
 165                         # handle in *.jpg case
 166
 167                         # they always got converted, I assume
 168                         conv=true
 169                         keep=$do_jpeg
 170                         ;;
 171                 *.jpg)
 172                         if [ -f "${F%.jpg}_alpha.jpg" ]; then
 173                                 cached "$do_dds"  reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "dds/${F%.*}.dds" ""                  "$dds_flags"
 174                                 cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 175                         else
 176                                 cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 177                                 cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
 178                         fi
 179                         ;;
 180                 *.png|*.tga)
 181                         cached true has_alpha "$F" "" "$F.hasalpha" ""
 182                         conv=false
 183                         if [ -s "$F.hasalpha" ]; then
 184                                 cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 185                                 cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 186                                 rm -f "$F" # TGA becomes useless after JPEGging
 187                         else
 188                                 cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 189                                 cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
 190                                 rm -f "$F" # TGA becomes useless after JPEGging
 191                         fi
 192                         rm -f "$F.hasalpha"
 193                         ;;
 194                 *.ogg)
 195                         cached "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
 196                         ;;
 197         esac
 198         if $del_src; then
 199                 if $conv; then
 200                         if ! $keep; then
 201                                 rm -f "$F"
 202                         fi
 203                 fi
 204         fi
 205 done