index.sh

   1 #!/usr/bin/env bash
   2 # Copyright: Julien Moutinho <julm+camera@sourcephile.fr>
   3 # License: AGPL-3.0-or-later
   4 # Usage:
   5 #   $ mv    2023/src/02/IMG_20230228_111645{,.fav}.jpg
   6 #   $ echo >2023/src/02/IMG_20230228_111645.fav.txt "Some HTML <b>comment</b> about the picture"
   7 #   $ years=2023 months=02 ./index.sh
   8 #   $ sensible-browser 2023/fav/02/index.html
   9 #
  10 # NginxConfig:
  11 #   locations."/julm/perso/camera/" = {
  12 #     alias = "${root}/julm/perso/camera/";
  13 #     basicAuthFile = "/run/credentials/nginx.service/autogeree.net.www.julm.perso.camera.htpasswd";
  14 #   };
  15 #   # Disable basicAuthFile for by-uuid
  16 #   locations."~ ^/julm/perso/camera/([0-9]+/[0-9][0-9]/by-uuid/[0-9a-f-]+/.+)$" = {
  17 #     alias = "${root}/julm/perso/camera/$1";
  18 #   };
  19
  20 # shellcheck disable=SC2086
  21
  22 cd "${0%/*}"
  23 set -eu
  24 shopt -s nullglob
  25
  26 ffmpeg_ () { local -; set -x; nice -19 ffmpeg </dev/null -loglevel warning -stats -report -y "$@"; }
  27 magick_ () { local -; set -x; nice -19 magick "$@"; }
  28 mv_ () { local -; set -x; mv -iv >&2 "$@"; }
  29
  30 user=$(realpath --relative-to .. .)
  31 declare -a years=${years:-$(find * -maxdepth 0 -type d -not -name ".*")}
  32 for year in ${years[@]}; do
  33   pushd "$year" >/dev/null
  34   test -d src || { popd; continue; }
  35   mkdir -p fav
  36   # cp, not ln, because in push.sh --copy-links cannot be used for by-uuid/
  37   cp -f --remove-destination -t fav ../index.css
  38   declare -a months=${months:-(01 02 03 04 05 06 07 08 09 10 11 12)}
  39   for month in ${months[@]}; do
  40     test -d src/"$month" || { popd; continue; }
  41     mkdir -p fav/"$month"
  42     mkdir -p {tmp,wip}/fav/"$month"
  43     {
  44     genDate=$(date +%s)
  45     cat <<EOF
  46   <!doctype html>
  47   <!-- Generator: https://git.sourcephile.fr/julm/camera -->
  48   <!-- GenerationDate: $(date -R -d@"$genDate") -->
  49   <html>
  50
  51   <head lang="fr">
  52     <meta charset="utf-8">
  53     <title>camera/$user/$year/$month</title>
  54     <link rel="stylesheet" href="../index.css?$genDate">
  55   </head>
  56
  57   <body>
  58
  59   <nav class="path">
  60   <ul>
  61   <li><a href='../../..'>camera</a>/ <a href='../..'>$user</a>/ <a href='..'>$year</a>/ $month</li>
  62   </ul></nav>
  63
  64   <div class="camera">
  65   <ul>
  66 EOF
  67     echo >&2 "$year/$month: processing favorites in chronological order"
  68     # Time is encoded in filenames like so: MM/{IMG,VID}_YYYYMMDD_hhmmss.*
  69     # hence sorting after the underscore (2nd field, 5th char).
  70     (cd src; find "$month" -name '*.fav.*' -not -name "*.txt") | sort -n -t/ -k2.5 |
  71     while read -r src; do
  72       echo >&2 "$year/$month: processing $year/src/$src"
  73       base=${src%.*}
  74       name=${base##*/}
  75       id=${name%%.*}
  76       creationDate=$(printf %s "${src##*/???_}" | sed -e 's/\(....\)\(..\)\(..\)_\(..\)\(..\)\(..\).*/\1-\2-\3 \4:\5:\6/')
  77       echo "<li id='$id'><div class='item'>"
  78       test -e fav/"$base".uuid ||
  79       uuidgen --random >fav/"$base".uuid
  80       uuid=$(cat fav/"$base".uuid)
  81       mkdir -p fav/"$month"/by-uuid/"$uuid"
  82       case "$src" in
  83         *.jpg)
  84           echo "<picture>"
  85             printf "<source type='image/avif' srcset='"
  86             for w in {1200,600,300}; do
  87               test fav/"$base"."$w"x.avif -nt src/"$src" || {
  88                 magick_ src/"$src" \
  89                   -sampling-factor 4:2:0 -colorspace sRGB \
  90                   -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
  91                   fav/"$base"."$w"x.avif
  92               }
  93               printf %s "$name.${w}x.avif ${w}w, "
  94             done
  95             echo "' />"
  96             w=600
  97             test fav/"$base"."$w"x.avif -nt src/"$src" || {
  98               magick_ -define jpeg:size=$((w * 2))x src/"$src" \
  99                 -sampling-factor 4:2:0 -interlace JPEG -colorspace sRGB \
 100                 -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
 101                 fav/"$base"."$w"x.jpg
 102             }
 103             echo "<source type='image/jpeg' srcset='$name.${w}x.jpg ${w}w' />"
 104             echo "<img src='$name.${w}x.jpg' alt='$creationDate' />"
 105           echo "</picture>"
 106           dst="$name".1200x.avif
 107           ln -fs -t fav/"$month"/by-uuid/"$uuid" ../../"$dst"
 108           ;;
 109         *.mp4)
 110           test fav/"$base".avif -nt src/"$src" || {
 111             ffmpeg_ -i src/"$src" \
 112               -map 0:v \
 113                 -filter:v format=yuv420p,scale='trunc(oh*a/2)*2:360' \
 114                 -frames:v 1 -crf 40 \
 115               wip/fav/"$base".avif
 116             mv_ {wip/,}fav/"$base".avif
 117           }
 118           need_opus () {
 119             test tmp/fav/"$base".opus -nt src/"$src" || {
 120               ffmpeg_ -i src/"$src" \
 121                 -map 0:a -c:a libopus -b:a 64k -application voip \
 122                 wip/fav/"$base".opus
 123               mv_ {wip,tmp}/fav/"$base".opus
 124             }
 125           }
 126           test fav/"$base".360p.av1.webm -nt src/"$src" || {
 127             need_opus
 128             ffmpeg_ -i src/"$src" -i tmp/fav/"$base".opus \
 129               -map 0:v \
 130                 -filter:v format=yuv420p,scale='trunc(oh*a/2)*2:360' \
 131                 -c:v libsvtav1 -crf 40 -g 120 \
 132               -map 1:a -c:a copy \
 133               wip/fav/"$base".360p.av1.webm
 134             mv_ {wip/,}fav/"$base".360p.av1.webm
 135           }
 136           dst="$name".360p.av1.webm
 137           ln -fs -t fav/"$month"/by-uuid/"$uuid" ../../"$dst"
 138           #test fav/"$base".360p.vp9.webm -nt src/"$src" || {
 139           #  need_opus
 140           #  # See https://developers.google.com/media/vp9/settings/vod#recommended_settings
 141           #  # See https://gist.github.com/mrintrepide/3033c35ee9557e66cff7806f48dbd339
 142           #  set -- \
 143           #    -filter:v format=yuv420p,scale='trunc(oh*a/2)*2:360' \
 144           #    -c:v libvpx-vp9 -quality good -crf 20 \
 145           #    -minrate 138k -b:v 276k -maxrate 400k \
 146           #    -cpu-used 4 -static-thresh 0 -tile-columns 0 -tile-rows 0 -frame-parallel 0 \
 147           #    -row-mt 1 -aq-mode 0 -auto-alt-ref 6 -lag-in-frames 25 -enable-tpl 1
 148           #  test -e tmp/fav/"$base".360p.vp9.webm-0.log || {
 149           #    # FIXME: how to disable h264 debug log?
 150           #    ffmpeg 2>/dev/null -i src/"$src" \
 151           #     -map 0:v "$@" -pass 1 -passlogfile wip/fav/"$base".360p.vp9.webm \
 152           #     -f null \
 153           #     /dev/null
 154           #    mv_ -t tmp/fav/"${base%/*}" wip/fav/"$base".360p.vp9.webm-*.log
 155           #  }
 156           #  ffmpeg -i src/"$src" -i tmp/fav/"$base".opus \
 157           #    -map 0:v "$@" -pass 2 -passlogfile tmp/fav/"$base".360p.vp9.webm \
 158           #    -map 1:a -c:a copy \
 159           #    wip/fav/"$base".360p.vp9.webm
 160           #  mkdir -p fav/"$month"/by-uuid/"$uuid"
 161           #  mv_ wip/fav/"$base".360p.vp9.webm fav/"$base".360p.vp9.webm
 162           #  rm -fv tmp/fav/"$base".360p.vp9.webm-*.log
 163           #}
 164           #test fav/"$base".mp4 -nt src/"$src" || {
 165           #  ffmpeg -i src/"$src" \
 166           #    -filter:v format=yuv420p \
 167           #    -c:v libx264 -preset medium -crf 22 \
 168           #    -tune zerolatency \
 169           #    -maxrate 1M -bufsize 2M \
 170           #    -movflags use_metadata_tags +faststart \
 171           #    -c:a libopus -base:a 64k -application voip \
 172           #    -filter:v "scale=iw/2:ih/2" \
 173           #    wip/fav/"$base".mp4
 174           #  mv_ wip/fav/"$base".mp4 fav/"$base".mp4
 175           #}
 176           #orient=$(ffprobe -v 0 -select_streams v:0 -show_entries stream_side_data=rotation -of default=nw=1:nk=1 src/"$src")
 177           #  class='orient$orient'
 178           echo "<video controls preload=none poster='$name.avif'>"
 179             # See https://jakearchibald.com/2022/html-codecs-parameter-for-av1/
 180             # and ffmpeg -i fav/$month/foo.av1.webm -c:v copy -bsf:v trace_headers -f null /dev/null |&
 181             #     grep -e seq_profile -e seq_level_idx -e seq_tier -e high_bitdepth -e twelve_bit
 182             P=0; LL=01; T=M; DD=08
 183             echo "<source type='video/webm; codecs=av01.$P.$LL$T.$DD' src='$name.360p.av1.webm' />"
 184             echo "<p><a href='$name.360p.av1.webm'>$name.360p.av1.webm</a></p>"
 185           echo "</video>"
 186       esac
 187       touch -a src/"$base".txt
 188       printf %s "<span class='comment'>"
 189       sed -e '$q;s/$/<br \/>\n/' src/"$base".txt
 190       echo "</span>"
 191       echo "</div>"
 192       echo "<span class='infos'>"
 193       echo "  <span class='creationDate'>$creationDate</span>"
 194       echo "</span>"
 195       echo "<span class='links'>"
 196       echo "  <a class='by-uuid' href='by-uuid/$uuid/$dst' title='Lien public vers cette capture' target='_blank'>@</a>"
 197       echo "  <a class='anchor' href='#$id' title='Ancre vers cette capture'>#</a>"
 198       echo "</span>"
 199       echo "</li>"
 200       echo
 201     done
 202     cat <<EOF
 203   </ul>
 204   </div>
 205
 206   </body>
 207   </html>
 208 EOF
 209     } >tmp/fav/"$month"/index.html
 210     mv_ -f {tmp/,}fav/"$month"/index.html
 211
 212     echo >&2 "$year/$month: remove any deleted favorites"
 213     (cd fav; find "$month" -mindepth 1 -type f -not -name index.html) |
 214       while read -r fav; do
 215         base=${fav%.fav.*}
 216         name=${base##*/}
 217         unset hasSrc
 218         for src in src/"$base".fav.*; do test "${src%.txt}" != "$src" || hasSrc=set; done
 219         test "${hasSrc:+set}" || {
 220           echo >&2 "$year/$month: removing $year/fav/$fav"
 221           rm -f fav/"$fav"
 222           rm -f fav/"$month"/by-uuid/*/"${name%.*}".*
 223         }
 224       done
 225     rmdir -p 2>/dev/null fav/"$month"/by-uuid/*/ || true
 226   done
 227   popd >/dev/null
 228 done
 229 rmdir 2>/dev/null -p wip/fav/* || true