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         flag=$1; shift
  21         method=$1; shift
  22         infile1=$1; shift
  23         infile2=$1; shift
  24         outfile1=$1; shift
  25         outfile2=$1; shift
  26         if ! $flag; then
  27                 return 0
  28         fi
  29         options=`echo "$*" | git hash-object --stdin`
  30         sum=`git hash-object "$infile1"`
  31         if [ -n "$infile2" ]; then
  32                 sum=$sum`git hash-object "$infile2"`
  33         fi
  34         mkdir -p "$CACHEDIR/$method-$options"
  35         name1="$CACHEDIR/$method-$options/$sum-1.${outfile1##*.}"
  36         [ -z "$outfile2" ] || name2="$CACHEDIR/$method-$options/$sum-2.${outfile2##*.}"
  37         tempfile1="${name1%/*}/new-${name1##*/}"
  38         [ -z "$outfile2" ] || tempfile2="${name2%/*}/new-${name2##*/}"
  39         if [ -f "$name1" ]; then
  40                 ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"
  41                 [ -z "$outfile2" ] || ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"
  42         elif "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
  43                 mv "$tempfile1" "$name1"
  44                 [ -z "$outfile2" ] || mv "$tempfile2" "$name2"
  45                 case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
  46                 [ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
  47         else
  48                 rm -f "$tempfile1"
  49                 rm -f "$tempfile2"
  50         exit 1
  51         fi
  52 }
  53
  54 reduce_jpeg2_dds()
  55 {
  56         i=$1; shift
  57         ia=$1; shift
  58         o=$1; shift; shift
  59         convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.png" && \
  60         nvcompress -alpha -bc3 $1 "$tmpdir/x.png" "$o"
  61 }
  62
  63 reduce_jpeg2_jpeg2()
  64 {
  65         i=$1; shift
  66         ia=$1; shift
  67         o=$1; shift
  68         oa=$1; shift
  69         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
  70         cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
  71 }
  72
  73 reduce_jpeg_jpeg()
  74 {
  75         i=$1; shift; shift
  76         o=$1; shift; shift
  77         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
  78 }
  79
  80 reduce_ogg()
  81 {
  82         i=$1; shift; shift
  83         o=$1; shift; shift
  84         oggdec -o "$tmpdir/x.wav" "$i" && \
  85         oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
  86 }
  87
  88 reduce_rgba_dds()
  89 {
  90         i=$1; shift; shift
  91         o=$1; shift; shift
  92         nvcompress -alpha -bc3 $1 "$i" "$o"
  93 }
  94
  95 reduce_rgba_jpeg2()
  96 {
  97         i=$1; shift; shift
  98         o=$1; shift
  99         oa=$1; shift
 100         convert "$i" -alpha extract -quality 100 "$o" && \
 101         convert "$i" -alpha off     -quality 100 "$oa" && \
 102         jpegoptim --strip-all -m"$1" "$o" && \
 103         jpegoptim --strip-all -m"$2" "$oa"
 104 }
 105
 106 reduce_rgb_dds()
 107 {
 108         i=$1; shift; shift
 109         o=$1; shift; shift
 110         nvcompress -bc1 $1 "$i" "$o"
 111 }
 112
 113 reduce_rgb_jpeg()
 114 {
 115         i=$1; shift; shift
 116         o=$1; shift; shift
 117         convert "$i" "$o" && \
 118         jpegoptim --strip-all -m"$1" "$o"
 119 }
 120
 121
 122 for F in "$@"; do
 123         case "$F" in
 124         *_alpha.jpg)
 125                 # handle in *.jpg case
 126                 ;;
 127         *.jpg)
 128                 if [ -f "${F%.jpg}_alpha.jpg" ]; then
 129                         cached "$do_dds"  reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "dds/${F%.*}.dds" ""                  "$dds_flags"
 130                         cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 131                 else
 132                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 133                         cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
 134                 fi
 135                 ;;
 136         *.png|*.tga)
 137                 if convert "$F" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; } exit 0;'; then
 138                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 139                         cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
 140                         rm -f "$F"
 141                 else
 142                         cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 143                         cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 144                         rm -f "$F"
 145                 fi
 146                 ;;
 147         *.ogg)
 148                 cached "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
 149                 ;;
 150         esac
 151 done