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    julm/2023/src/02/IMG_20230228_111645{,.fav}.jpg
   6 #   $ echo >julm/2023/src/02/IMG_20230228_111645.fav.txt "Some HTML <b>comment</b> about the picture"
   7 #   $ ./index.sh julm/2023/src/02
   8 #   $ sensible-browser julm/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 -hide_banner -loglevel warning -stats -y "$@"; }
  27 magick_ () { local -; set -x; nice -19 magick "$@"; }
  28 mv_ () { local -; set -x; mv -iv >&2 "$@"; }
  29
  30 for dir in "$@"; do
  31   IFS=/ read -r user year x month x <<<"$dir"
  32   test -n "$month" || exec "$0" "$user"/"$year"/src/*/
  33   pushd "$user/$year" >/dev/null
  34   test -d src || { popd; continue; }
  35   mkdir -p fav
  36   # cp, not ln, because in push.sh --copy-links cannot be used for by-uuid/
  37   cp -f --remove-destination -t fav ../../index.css
  38   test -d src/"$month" || { popd; continue; }
  39   mkdir -p fav/"$month"
  40   mkdir -p {tmp,wip}/fav/"$month"
  41   {
  42   genDate=$(date +%s)
  43   cat <<EOF
  44   <!doctype html>
  45   <!-- Generator: https://git.sourcephile.fr/julm/camera.git -->
  46   <!-- GenerationDate: $(date -R -d@"$genDate") -->
  47   <html>
  48
  49   <head lang="fr">
  50     <meta charset="utf-8">
  51     <title>camera/$user/$year/$month</title>
  52     <link rel="stylesheet" href="../index.css?$genDate">
  53   </head>
  54
  55   <body>
  56
  57   <nav class="path">
  58   <ul>
  59   <li><a href='../../..'>camera</a>/ <a href='../..'>$user</a>/ <a href='..'>$year</a>/ $month</li>
  60   </ul></nav>
  61
  62   <div class="camera">
  63   <ul>
  64 EOF
  65   echo >&2 "$dir: processing favorites in chronological order"
  66   # Time is encoded in filenames like so: MM/{IMG,VID}_YYYYMMDD_hhmmss.*
  67   # hence sorting after the underscore (2nd field, 5th char).
  68   (cd src; find "$month" -name '*.fav.*' -not -name "*.txt") | sort -n -t/ -k2.5 |
  69   while read -r src; do
  70     echo >&2 "$dir: processing $year/src/$src"
  71     base=${src%.*}
  72     name=${base##*/}
  73     id=${name%%.*}
  74     creationDate=$(printf %s "${src##*/???_}" | sed -e 's/\(....\)\(..\)\(..\)_\(..\)\(..\)\(..\).*/\1-\2-\3 \4:\5:\6/')
  75     echo "<li id='$id'><div class='item'>"
  76     test -e fav/"$base".uuid ||
  77     uuidgen --random >fav/"$base".uuid
  78     uuid=$(cat fav/"$base".uuid)
  79     mkdir -p fav/"$month"/by-uuid/"$uuid"
  80     case "$src" in
  81       *.jpg)
  82         echo "<picture>"
  83           printf "<source type='image/avif' srcset='"
  84           for w in {1200,600,300}; do
  85             test fav/"$base"."$w"x.avif -nt src/"$src" || {
  86               magick_ src/"$src" \
  87                 -sampling-factor 4:2:0 -colorspace sRGB \
  88                 -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
  89                 wip/fav/"$base"."$w"x.avif
  90               mv_ {wip/,}fav/"$base"."$w"x.avif
  91             }
  92             printf %s "$name.${w}x.avif ${w}w, "
  93           done
  94           echo "' />"
  95           w=600
  96           test fav/"$base"."$w"x.avif -nt src/"$src" || {
  97             magick_ -define jpeg:size=$((w * 2))x src/"$src" \
  98               -sampling-factor 4:2:0 -interlace JPEG -colorspace sRGB \
  99               -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
 100               wip/fav/"$base"."$w"x.jpg
 101             mv_ {wip/,}fav/"$base"."$w"x.avif
 102           }
 103           echo "<source type='image/jpeg' srcset='$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 "$dir: removing any deleted favorites"
 213   (cd fav; find "$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 "$dir: 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   rmdir -p 2>/dev/null wip/fav/* || true
 227   popd >/dev/null
 228 done