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                 echo "$name1 already there, caching"
  41                 sleep 10
  42                 ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"
  43                 [ -z "$outfile2" ] || ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"
  44         elif "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
  45                 echo "$name1 not there, making"
  46                 sleep 10
  47                 mv "$tempfile1" "$name1"
  48                 [ -z "$outfile2" ] || mv "$tempfile2" "$name2"
  49                 ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"
  50                 [ -z "$outfile2" ] || ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"
  51         else
  52                 rm -f "$tempfile1"
  53                 rm -f "$tempfile2"
  54         exit 1
  55         fi
  56 }
  57
  58 reduce_jpeg2_dds()
  59 {
  60         i=$1; shift
  61         ia=$1; shift
  62         o=$1; shift; shift
  63         convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.png" && \
  64         nvcompress -alpha -bc3 $1 "$tmpdir/x.png" "$o"
  65 }
  66
  67 reduce_jpeg2_jpeg2()
  68 {
  69         i=$1; shift
  70         ia=$1; shift
  71         o=$1; shift
  72         oa=$1; shift
  73         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
  74         cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
  75 }
  76
  77 reduce_jpeg2_jpeg2()
  78 {
  79         i=$1; shift; shift
  80         o=$1; shift; shift
  81         cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
  82 }
  83
  84 reduce_ogg()
  85 {
  86         i=$1; shift; shift
  87         o=$1; shift; shift
  88         oggdec -o "$tmpdir/x.wav" "$i" && \
  89         oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
  90 }
  91
  92 reduce_rgba_dds()
  93 {
  94         i=$1; shift; shift
  95         o=$1; shift; shift
  96         nvcompress -alpha -bc3 $1 "$i" "$o"
  97 }
  98
  99 reduce_rgba_jpeg2()
 100 {
 101         i=$1; shift; shift
 102         o=$1; shift
 103         oa=$1; shift
 104         convert "$X" -alpha extract -quality 100 "$o" && \
 105         convert "$X" -alpha off     -quality 100 "$oa" && \
 106         jpegoptim --strip-all -m"$1" "$o" && \
 107         jpegoptim --strip-all -m"$2" "$oa"
 108 }
 109
 110 reduce_rgb_dds()
 111 {
 112         i=$1; shift; shift
 113         o=$1; shift; shift
 114         nvcompress -bc1 $1 "$i" "$o"
 115 }
 116
 117 reduce_rgb_jpeg()
 118 {
 119         i=$1; shift; shift
 120         o=$1; shift; shift
 121         convert "$X" "$o" && \
 122         jpegoptim --strip-all -m"$1" "$o"
 123 }
 124
 125
 126 for F in "$@"; do
 127         case "$F" in
 128         *_alpha.jpg)
 129                 # handle in *.jpg case
 130                 ;;
 131         *.jpg)
 132                 if [ -f "${F%.jpg}_alpha.jpg" ]; then
 133                         cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 134                         cached "$do_jpeg" reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb"
 135                 else
 136                         cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
 137                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 138                 fi
 139                 ;;
 140         *.png|*.tga)
 141                 if convert "$X" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; ++$pix; } exit not $pix;'; then
 142                         cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
 143                         cached "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 144                 else
 145                         cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
 146                         cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
 147                 fi
 148                 ;;
 149         *.ogg)
 150                 cached "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
 151                 ;;
 152         esac
 153 done