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_flags:=}
  11 : ${do_ogg:=false}
  12 : ${ogg_qual:=1}
  13
  14 tmpdir=`mktemp -d -t cached-converter.XXXXXX`
  15 trap 'exit 1' INT
  16 trap 'rm -rf "$tmpdir"' EXIT
  17
  18 cached()
  19 {
  20         method=$1; shift
  21         infile1=$1; shift
  22         infile2=$1; shift
  23         outfile1=$1; shift
  24         outfile2=$1; shift
  25         options=`echo "$*" | git hash-object --stdin`
  26         sum=`git hash-object "$infile1"`
  27         if [ -n "$infile2" ]; then
  28         sum=$sum`git hash-object "$infile2"`
  29         fi
  30         mkdir -p "$CACHEDIR/$method-$options"
  31         name1="$CACHEDIR/$method/$sum-1.${outfile1##*.}"
  32         [ -z "$outfile2" ] || name2="$CACHEDIR/$method/$sum-2.${outfile2##*.}"
  33         tempfile1="$name1.new"
  34         [ -z "$outfile2" ] || tempfile2="$name2.new"
  35         if "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
  36         mv "$tempfile1" "$name1"
  37         [ -z "$outfile2" ] || mv "$tempfile2" "$name2"
  38         ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"
  39         [ -z "$outfile2" ] || ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"
  40         else
  41         rm -f "$tempfile1"
  42         rm -f "$tempfile2"
  43         exit 1
  44         fi
  45 }
  46
  47 reduce_jpeg2_dds()
  48 {
  49         i=$1; shift
  50         ia=$1; shift
  51         o=$1; shift; shift
  52         convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.png" && \
  53         nvcompress -alpha -bc3 $1 "$tmpdir/x.png" "$o"
  54 }
  55
  56 reduce_jpeg2_jpeg2()
  57 {
  58         i=$1; shift
  59         ia=$1; shift
  60         o=$1; shift
  61         oa=$1; shift
  62         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
  63         cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
  64 }
  65
  66 reduce_jpeg2_jpeg2()
  67 {
  68         i=$1; shift; shift
  69         o=$1; shift; shift
  70         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
  71 }
  72
  73 reduce_ogg()
  74 {
  75         i=$1; shift; shift
  76         o=$1; shift; shift
  77         oggdec -o "$tmpdir/x.wav" "$i" && \
  78         oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
  79 }
  80
  81 reduce_rgba_dds()
  82 {
  83         i=$1; shift; shift
  84         o=$1; shift; shift
  85         nvcompress -alpha -bc3 $1 "$i" "$o"
  86 }
  87
  88 reduce_rgba_jpeg2()
  89 {
  90         i=$1; shift; shift
  91         o=$1; shift
  92         oa=$1; shift
  93         convert "$X" -alpha extract -quality 100 "$o" && \
  94         convert "$X" -alpha off     -quality 100 "$oa" && \
  95         jpegoptim --strip-all -m"$1" "$o" && \
  96         jpegoptim --strip-all -m"$2" "$oa"
  97 }
  98
  99 reduce_rgb_dds()
 100 {
 101         i=$1; shift; shift
 102         o=$1; shift; shift
 103         nvcompress -bc1 $1 "$i" "$o"
 104 }
 105
 106 reduce_rgb_jpeg()
 107 {
 108         i=$1; shift; shift
 109         o=$1; shift; shift
 110         convert "$X" "$o" && \
 111         jpegoptim --strip-all -m"$1" "$o"
 112 }
 113
 114
 115 for F in "$@"; do
 116         case "$F" in
 117         *_alpha.jpg)
 118                 # handle in *.jpg case
 119                 ;;
 120         *.jpg)
 121                 if [ -f "${F%.jpg}_alpha.jpg" ]; then
 122                         cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 123                         cached "$do_jpeg" reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 124                 else
 125                         cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
 126                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 127                 fi
 128                 ;;
 129         *.png|*.tga)
 130                 if convert "$X" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; ++$pix; } exit not $pix;'; then
 131                         cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
 132                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 133                 else
 134                         cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 135                         cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 136                 fi
 137                 ;;
 138         *.ogg)
 139                 cached "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
 140                 ;;
 141         esac
 142 done