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
  14 me=$0
  15 case "$me" in
  16         */*)
  17                 meprefix=${me%/*}/
  18                 ;;
  19         *)
  20                 meprefix=
  21                 ;;
  22 esac
  23
  24 tmpdir=`mktemp -d -t cached-converter.XXXXXX`
  25 trap 'exit 1' INT
  26 trap 'rm -rf "$tmpdir"' EXIT
  27
  28 cached()
  29 {
  30         flag=$1; shift
  31         method=$1; shift
  32         infile1=$1; shift
  33         infile2=$1; shift
  34         outfile1=$1; shift
  35         outfile2=$1; shift
  36         if ! $flag; then
  37                 return 0
  38         fi
  39         options=`echo "$*" | git hash-object --stdin`
  40         sum=`git hash-object "$infile1"`
  41         if [ -n "$infile2" ]; then
  42                 sum=$sum`git hash-object "$infile2"`
  43         fi
  44         mkdir -p "$CACHEDIR/$method-$options"
  45         name1="$CACHEDIR/$method-$options/$sum-1.${outfile1##*.}"
  46         [ -z "$outfile2" ] || name2="$CACHEDIR/$method-$options/$sum-2.${outfile2##*.}"
  47         tempfile1="${name1%/*}/new-${name1##*/}"
  48         [ -z "$outfile2" ] || tempfile2="${name2%/*}/new-${name2##*/}"
  49         mkdir -p "${outfile%/*}"
  50         [ -z "$outfile2" ] || mkdir -p "${outfile2%/*}"
  51         if [ -f "$name1" ]; then
  52                 ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"
  53                 [ -z "$outfile2" ] || ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"
  54         elif "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
  55                 mv "$tempfile1" "$name1"
  56                 [ -z "$outfile2" ] || mv "$tempfile2" "$name2"
  57                 case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
  58                 [ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
  59         else
  60                 rm -f "$tempfile1"
  61                 rm -f "$tempfile2"
  62                 exit 1
  63         fi
  64 }
  65
  66 reduce_jpeg2_dds()
  67 {
  68         i=$1; shift
  69         ia=$1; shift
  70         o=$1; shift; shift
  71         convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.png" && \
  72         "$meprefix"compress-texture "$dds_tool" dxt5 "$tmpdir/x.png" "$o" $1
  73 }
  74
  75 reduce_jpeg2_jpeg2()
  76 {
  77         i=$1; shift
  78         ia=$1; shift
  79         o=$1; shift
  80         oa=$1; shift
  81         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
  82         cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
  83 }
  84
  85 reduce_jpeg_jpeg()
  86 {
  87         i=$1; shift; shift
  88         o=$1; shift; shift
  89         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
  90 }
  91
  92 reduce_ogg()
  93 {
  94         i=$1; shift; shift
  95         o=$1; shift; shift
  96         oggdec -o "$tmpdir/x.wav" "$i" && \
  97         oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
  98 }
  99
 100 reduce_rgba_dds()
 101 {
 102         i=$1; shift; shift
 103         o=$1; shift; shift
 104         "$meprefix"compress-texture "$dds_tool" dxt5 "$i" "$o" $1
 105 }
 106
 107 reduce_rgba_jpeg2()
 108 {
 109         i=$1; shift; shift
 110         o=$1; shift
 111         oa=$1; shift
 112         convert "$i" -alpha extract -quality 100 "$o" && \
 113         convert "$i" -alpha off     -quality 100 "$oa" && \
 114         jpegoptim --strip-all -m"$1" "$o" && \
 115         jpegoptim --strip-all -m"$2" "$oa"
 116 }
 117
 118 reduce_rgb_dds()
 119 {
 120         i=$1; shift; shift
 121         o=$1; shift; shift
 122         "$meprefix"compress-texture "$dds_tool" dxt1 "$i" "$o" $1
 123 }
 124
 125 reduce_rgb_jpeg()
 126 {
 127         i=$1; shift; shift
 128         o=$1; shift; shift
 129         convert "$i" "$o" && \
 130         jpegoptim --strip-all -m"$1" "$o"
 131 }
 132
 133
 134 for F in "$@"; do
 135         case "$F" in
 136         *_alpha.jpg)
 137                 # handle in *.jpg case
 138                 ;;
 139         *.jpg)
 140                 if [ -f "${F%.jpg}_alpha.jpg" ]; then
 141                         cached "$do_dds"  reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "dds/${F%.*}.dds" ""                  "$dds_flags"
 142                         cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 143                 else
 144                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 145                         cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
 146                 fi
 147                 ;;
 148         *.png|*.tga)
 149                 if convert "$F" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; } exit 0;'; then
 150                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 151                         cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
 152                         rm -f "$F"
 153                 else
 154                         cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 155                         cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 156                         rm -f "$F"
 157                 fi
 158                 ;;
 159         *.ogg)
 160                 cached "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
 161                 ;;
 162         esac
 163 done