index.sh

   1 #!/usr/bin/env bash
   2 # shellcheck disable=SC2086
   3 # License: AGPL3+
   4 cd "${0%/*}"
   5 set -eu
   6 shopt -s nullglob
   7
   8 ffmpeg_ () { local -; set -x; nice -19 ffmpeg </dev/null -loglevel warning -stats -report -y "$@"; }
   9 magick_ () { local -; set -x; nice -19 magick "$@"; }
  10 mv_ () { local -; set -x; mv -iv >&2 "$@"; }
  11
  12 user=$(realpath --relative-to .. .)
  13 declare -a years=${years:-$(find * -maxdepth 0 -type d -not -name ".*")}
  14 for year in ${years[@]}; do
  15   pushd "$year" >/dev/null
  16   test -d src || { popd; continue; }
  17   mkdir -p fav
  18   ln -sf -t fav ../../index.css
  19   declare -a months=${months:-(01 02 03 04 05 06 07 08 09 10 11 12)}
  20   for month in ${months[@]}; do
  21     test -d src/"$month" || { popd; continue; }
  22     mkdir -p fav/"$month"
  23     mkdir -p {tmp,wip}/fav/"$month"
  24     {
  25     genDate=$(date +%s)
  26     cat <<EOF
  27   <!doctype html>
  28   <!-- Generator: https://git.sourcephile.fr/julm/camera -->
  29   <!-- GenerationDate: $(date -R -d@"$genDate") -->
  30   <html>
  31
  32   <head lang="fr">
  33     <meta charset="utf-8">
  34     <title>camera/$user/$year/$month</title>
  35     <link rel="stylesheet" href="../index.css?$genDate">
  36   </head>
  37
  38   <body>
  39
  40   <nav class="path">
  41   <ul>
  42   <li><a href='../../..'>camera</a>/ <a href='../..'>$user</a>/ <a href='..'>$year</a>/ $month</li>
  43   </ul></nav>
  44
  45   <div class="camera">
  46   <ul>
  47 EOF
  48     echo >&2 "$year/$month: processing favorites in chronological order"
  49     # Time is encoded in filenames like so: MM/{IMG,VID}_YYYYMMDD_hhmmss.*
  50     # hence sorting after the underscore (2nd field, 5th char).
  51     (cd src; find "$month" -name '*.fav.*' -not -name "*.txt") | sort -n -t/ -k2.5 |
  52     while read -r src; do
  53       echo >&2 "$year/$month: processing $year/src/$src"
  54       base=${src%.*}
  55       name=${base##*/}
  56       id=${name%%.*}
  57       creationDate=$(printf %s "${src##*/???_}" | sed -e 's/\(....\)\(..\)\(..\)_\(..\)\(..\)\(..\).*/\1-\2-\3 \4:\5:\6/')
  58       echo "<li id='$id'><div class='item'>"
  59       test -e fav/"$base".uuid ||
  60       uuidgen --random >fav/"$base".uuid
  61       uuid=$(cat fav/"$base".uuid)
  62       mkdir -p fav/"$month"/by-uuid/"$uuid"
  63       case "$src" in
  64         *.jpg)
  65           echo "<picture>"
  66             printf "<source type='image/avif' srcset='"
  67             for w in {1200,600,300}; do
  68               test fav/"$base"."$w"x.avif -nt src/"$src" || {
  69                 magick_ src/"$src" \
  70                   -sampling-factor 4:2:0 -colorspace sRGB \
  71                   -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
  72                   fav/"$base"."$w"x.avif
  73               }
  74               printf %s "$name.${w}x.avif ${w}w, "
  75             done
  76             echo "' />"
  77             w=600
  78             test fav/"$base"."$w"x.avif -nt src/"$src" || {
  79               magick_ -define jpeg:size=$((w * 2))x src/"$src" \
  80                 -sampling-factor 4:2:0 -interlace JPEG -colorspace sRGB \
  81                 -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
  82                 fav/"$base"."$w"x.jpg
  83             }
  84             echo "<source type='image/jpeg' srcset='$name.${w}x.jpg ${w}w' />"
  85             echo "<img src='$name.${w}x.jpg' alt='$creationDate' />"
  86           echo "</picture>"
  87           dst="$name".1200x.avif
  88           ln -fs -t fav/"$month"/by-uuid/"$uuid" ../../"$dst"
  89           ;;
  90         *.mp4)
  91           test fav/"$base".avif -nt src/"$src" || {
  92             ffmpeg_ -i src/"$src" \
  93               -map 0:v \
  94                 -filter:v format=yuv420p,scale='trunc(oh*a/2)*2:360' \
  95                 -frames:v 1 -crf 40 \
  96               wip/fav/"$base".avif
  97             mv_ {wip/,}fav/"$base".avif
  98           }
  99           need_opus () {
 100             test tmp/fav/"$base".opus -nt src/"$src" || {
 101               ffmpeg_ -i src/"$src" \
 102                 -map 0:a -c:a libopus -b:a 64k -application voip \
 103                 wip/fav/"$base".opus
 104               mv_ {wip,tmp}/fav/"$base".opus
 105             }
 106           }
 107           test fav/"$base".360p.av1.webm -nt src/"$src" || {
 108             need_opus
 109             ffmpeg_ -i src/"$src" -i tmp/fav/"$base".opus \
 110               -map 0:v \
 111                 -filter:v format=yuv420p,scale='trunc(oh*a/2)*2:360' \
 112                 -c:v libsvtav1 -crf 40 -g 120 \
 113               -map 1:a -c:a copy \
 114               wip/fav/"$base".360p.av1.webm
 115               # -i fav/"$base".avif -map 1 \
 116               # -c:v:1 jpeg -disposition:v:1 attached_pic \
 117             mv_ {wip/,}fav/"$base".360p.av1.webm
 118           }
 119           dst="$name".360p.av1.webm
 120           ln -fs -t fav/"$month"/by-uuid/"$uuid" ../../"$dst"
 121           #test fav/"$base".360p.vp9.webm -nt src/"$src" || {
 122           #  need_opus
 123           #  # See https://developers.google.com/media/vp9/settings/vod#recommended_settings
 124           #  # See https://gist.github.com/mrintrepide/3033c35ee9557e66cff7806f48dbd339
 125           #  set -- \
 126           #    -filter:v format=yuv420p,scale='trunc(oh*a/2)*2:360' \
 127           #    -c:v libvpx-vp9 -quality good -crf 20 \
 128           #    -minrate 138k -b:v 276k -maxrate 400k \
 129           #    -cpu-used 4 -static-thresh 0 -tile-columns 0 -tile-rows 0 -frame-parallel 0 \
 130           #    -row-mt 1 -aq-mode 0 -auto-alt-ref 6 -lag-in-frames 25 -enable-tpl 1
 131           #  test -e tmp/fav/"$base".360p.vp9.webm-0.log || {
 132           #    # FIXME: how to disable h264 debug log?
 133           #    ffmpeg 2>/dev/null -i src/"$src" \
 134           #     -map 0:v "$@" -pass 1 -passlogfile wip/fav/"$base".360p.vp9.webm \
 135           #     -f null \
 136           #     /dev/null
 137           #    mv_ -t tmp/fav/"${base%/*}" wip/fav/"$base".360p.vp9.webm-*.log
 138           #  }
 139           #  ffmpeg -i src/"$src" -i tmp/fav/"$base".opus \
 140           #    -map 0:v "$@" -pass 2 -passlogfile tmp/fav/"$base".360p.vp9.webm \
 141           #    -map 1:a -c:a copy \
 142           #    wip/fav/"$base".360p.vp9.webm
 143           #  mkdir -p fav/"$month"/by-uuid/"$uuid"
 144           #  mv_ wip/fav/"$base".360p.vp9.webm fav/"$base".360p.vp9.webm
 145           #  rm -fv tmp/fav/"$base".360p.vp9.webm-*.log
 146           #}
 147           #test fav/"$base".mp4 -nt src/"$src" || {
 148           #  ffmpeg -i src/"$src" \
 149           #    -filter:v format=yuv420p \
 150           #    -c:v libx264 -preset medium -crf 22 \
 151           #    -tune zerolatency \
 152           #    -maxrate 1M -bufsize 2M \
 153           #    -movflags use_metadata_tags +faststart \
 154           #    -c:a libopus -base:a 64k -application voip \
 155           #    -filter:v "scale=iw/2:ih/2" \
 156           #    wip/fav/"$base".mp4
 157           #  mv_ wip/fav/"$base".mp4 fav/"$base".mp4
 158           #}
 159           #orient=$(ffprobe -v 0 -select_streams v:0 -show_entries stream_side_data=rotation -of default=nw=1:nk=1 src/"$src")
 160           #  class='orient$orient'
 161           echo "<video controls preload=none poster='$name.avif'>"
 162             # See https://jakearchibald.com/2022/html-codecs-parameter-for-av1/
 163             # and ffmpeg -i fav/$month/foo.av1.webm -c:v copy -bsf:v trace_headers -f null /dev/null |&
 164             #     grep -e seq_profile -e seq_level_idx -e seq_tier -e high_bitdepth -e twelve_bit
 165             P=0; LL=01; T=M; DD=08
 166             echo "<source type='video/webm; codecs=av01.$P.$LL$T.$DD' src='$name.360p.av1.webm' />"
 167             echo "<p><a href='$name.360p.av1.webm'>$name.360p.av1.webm</a></p>"
 168           echo "</video>"
 169       esac
 170       touch -a src/"$base".txt
 171       printf %s "<span class='comment'>"
 172       sed -e '$q;s/$/<br \/>\n/' src/"$base".txt
 173       echo "</span>"
 174       echo "</div>"
 175       echo "<span class='infos'>"
 176       echo "  <span class='creationDate'>$creationDate</span>"
 177       echo "</span>"
 178       echo "<span class='links'>"
 179       echo "  <a class='anchor' href='#$id' title='Ancre vers cette capture'>#</a>"
 180       echo "  <a class='by-uuid' href='by-uuid/$uuid/$dst' title='Lien public vers cette capture' target='_blank'>@</a>"
 181       echo "</span>"
 182       echo "</li>"
 183       echo
 184     done
 185     cat <<EOF
 186   </ul>
 187   </div>
 188
 189   </body>
 190   </html>
 191 EOF
 192     } >tmp/fav/"$month"/index.html
 193     mv_ -f {tmp/,}fav/"$month"/index.html
 194
 195     echo >&2 "$year/$month: remove any deleted favorites"
 196     (cd fav; find "$month" -mindepth 1 -type f -not -name index.html) |
 197       while read -r fav; do
 198         base=${fav%.fav.*}
 199         name=${base##*/}
 200         unset hasSrc
 201         for src in src/"$base".fav.*; do test "${src%.txt}" != "$src" || hasSrc=set; done
 202         test "${hasSrc:+set}" || {
 203           echo >&2 "$year/$month: removing $year/fav/$fav"
 204           rm -f fav/"$fav"
 205           rm -f fav/"$month"/by-uuid/*/"${name%.*}".*
 206         }
 207       done
 208     rmdir -p 2>/dev/null fav/"$month"/by-uuid/*/ || true
 209   done
 210   popd >/dev/null
 211 done
 212 rmdir 2>/dev/null -p wip/fav/* || true