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-${name2##*/}"
  49         if [ -f "$name1" ]; then
  50                 ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"
  51                 [ -z "$outfile2" ] || ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"
  52         elif "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
  53                 mv "$tempfile1" "$name1"
  54                 [ -z "$outfile2" ] || mv "$tempfile2" "$name2"
  55                 case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
  56                 [ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
  57         else
  58                 rm -f "$tempfile1"
  59                 rm -f "$tempfile2"
  60                 exit 1
  61         fi
  62 }
  63
  64 reduce_jpeg2_dds()
  65 {
  66         i=$1; shift
  67         ia=$1; shift
  68         o=$1; shift; shift
  69         convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.png" && \
  70         "$meprefix"compress-texture "$dds_tool" dxt5 "$tmpdir/x.png" "$o" $1
  71 }
  72
  73 reduce_jpeg2_jpeg2()
  74 {
  75         i=$1; shift
  76         ia=$1; shift
  77         o=$1; shift
  78         oa=$1; shift
  79         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
  80         cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
  81 }
  82
  83 reduce_jpeg_jpeg()
  84 {
  85         i=$1; shift; shift
  86         o=$1; shift; shift
  87         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
  88 }
  89
  90 reduce_ogg()
  91 {
  92         i=$1; shift; shift
  93         o=$1; shift; shift
  94         oggdec -o "$tmpdir/x.wav" "$i" && \
  95         oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
  96 }
  97
  98 reduce_rgba_dds()
  99 {
 100         i=$1; shift; shift
 101         o=$1; shift; shift
 102         "$meprefix"compress-texture "$dds_tool" dxt5 "$i" "$o" $1
 103 }
 104
 105 reduce_rgba_jpeg2()
 106 {
 107         i=$1; shift; shift
 108         o=$1; shift
 109         oa=$1; shift
 110         convert "$i" -alpha extract -quality 100 "$o" && \
 111         convert "$i" -alpha off     -quality 100 "$oa" && \
 112         jpegoptim --strip-all -m"$1" "$o" && \
 113         jpegoptim --strip-all -m"$2" "$oa"
 114 }
 115
 116 reduce_rgb_dds()
 117 {
 118         i=$1; shift; shift
 119         o=$1; shift; shift
 120         "$meprefix"compress-texture "$dds_tool" dxt1 "$i" "$o" $1
 121 }
 122
 123 reduce_rgb_jpeg()
 124 {
 125         i=$1; shift; shift
 126         o=$1; shift; shift
 127         convert "$i" "$o" && \
 128         jpegoptim --strip-all -m"$1" "$o"
 129 }
 130
 131
 132 for F in "$@"; do
 133         case "$F" in
 134         *_alpha.jpg)
 135                 # handle in *.jpg case
 136                 ;;
 137         *.jpg)
 138                 if [ -f "${F%.jpg}_alpha.jpg" ]; then
 139                         cached "$do_dds"  reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "dds/${F%.*}.dds" ""                  "$dds_flags"
 140                         cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 141                 else
 142                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 143                         cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
 144                 fi
 145                 ;;
 146         *.png|*.tga)
 147                 if convert "$F" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; } exit 0;'; then
 148                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 149                         cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
 150                         rm -f "$F"
 151                 else
 152                         cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 153                         cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 154                         rm -f "$F"
 155                 fi
 156                 ;;
 157         *.ogg)
 158                 cached "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
 159                 ;;
 160         esac
 161 done