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 -; mv -i >&2 "$@"; }
  29
  30 for dir in "$@"; do
  31   IFS=/ read -r user year x month x <<<"$dir"
  32   test -n "$year" || exec "$0" "$user"/2*/src/*/
  33   test -n "$month" || exec "$0" "$user"/"$year"/src/*/
  34   pushd "$user/$year" >/dev/null
  35   test -d src || { popd; continue; }
  36   mkdir -p fav
  37   # cp, not ln, because in push.sh --copy-links cannot be used for by-uuid/
  38   cp -f --remove-destination -t fav ../../index.css
  39   test -d src/"$month" || { popd; continue; }
  40   unset creationDoMOld
  41   unset creationDateOld
  42   {
  43   genDate=$(date +%s)
  44   cat <<EOF
  45   <!doctype html>
  46   <!-- Generator: https://git.sourcephile.fr/julm/camera.git -->
  47   <!-- GenerationDate: $(date -R -d@"$genDate") -->
  48   <html>
  49
  50   <head lang="fr">
  51     <meta charset="utf-8">
  52     <title>camera/$user/$year/$month</title>
  53     <link rel="stylesheet" href="../index.css?$genDate">
  54   </head>
  55
  56   <body>
  57
  58   <nav class="path">
  59   <a href='../../..'>camera</a>/ <a href='../..'>$user</a>/ <a href='..'>$year</a>/
  60 EOF
  61   for m in {01..12}; do
  62     if [ "$m" -eq 01 ]; then printf '{ '; fi
  63     if [ "$m" -eq "$month" ]; then
  64       printf %s "$month"
  65     else
  66       printf %s "<a href='../$m'>$m</a>"
  67     fi
  68     if [ "$m" -eq 12 ]; then printf ' }'; else printf ', '; fi
  69   done
  70   cat <<EOF
  71   </nav>
  72
  73   <div class="camera">
  74   <ul>
  75 EOF
  76   echo >&2 "$dir: processing favorites in chronological order"
  77   # Time is encoded in filenames like so: {IMG,VID}_YYYYMMDD_hhmmss.*
  78   # hence sorting after the underscore (1st field, 5th char).
  79   # To support subdirectories, sorting is done on the prefix %f
  80   # which is replaced by %p thereafter.
  81   (cd src; find -L "$month" -name '*.fav.*' -not -name "*.txt" -printf '%f %p\n') | sort -t/ -k1.5 | cut -f2 -d ' ' |
  82   while read -r src; do
  83     echo >&2 "$dir: processing $year/src/$src"
  84     base=${src%.*}
  85     name=${base#*/}
  86     id=${name%%.*}
  87     creationDate=$(printf %s "${src##*/???_}" | sed -e 's/\(....\)\(..\)\(..\)_\(..\)\(..\)\(..\).*/\1-\2-\3 \4:\5:\6/')
  88     creationDoM=$(date +'%A %_d %B' -d "$creationDate")
  89     if test "$creationDoM" != "${creationDoMOld-}"; then
  90       dom=$(date +'%d' -d "$creationDate")
  91       echo "<li id='$dom' class='day'><div>"
  92       echo "<a class='day-current' href='#$dom'>$creationDoM</a>"
  93       echo "<div>"
  94       test ! "${creationDateOld:+set}" ||
  95         echo "<a class='day-previous' href='#$(date +'%d' -d "$creationDateOld")'>^</a>"
  96       echo "</div>"
  97       echo "</div></li>"
  98       creationDoMOld=$creationDoM
  99       creationDateOld=$creationDate
 100     fi
 101     test -e fav/"$base".uuid ||
 102     uuidgen --random >fav/"$base".uuid
 103     uuid=$(cat fav/"$base".uuid)
 104     mkdir -p fav/"${base%/*}"
 105     mkdir -p {tmp,wip}/fav/"${base%/*}"
 106     mkdir -p fav/"$month"/by-uuid/"$uuid"
 107     wow=
 108     test "${src##*.wow.}" = "${src}" || wow=wow
 109     case "$src" in
 110       *.jpg)
 111         echo "<li id='$id' class='$wow'><div class='item'>"
 112         echo "<picture>"
 113           printf "<source type='image/avif' srcset='"
 114           for w in {1200,600,300}; do
 115             test fav/"$base"."$w"x.avif -nt src/"$src" || {
 116               magick_ src/"$src" \
 117                 -sampling-factor 4:2:0 -colorspace sRGB \
 118                 -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
 119                 wip/fav/"$base"."$w"x.avif
 120               mv_ {wip/,}fav/"$base"."$w"x.avif
 121             }
 122             printf %s "$name.${w}x.avif ${w}w, "
 123           done
 124           echo "' />"
 125           w=600
 126           test fav/"$base"."$w"x.avif -nt src/"$src" || {
 127             magick_ -define jpeg:size=$((w * 2))x src/"$src" \
 128               -sampling-factor 4:2:0 -interlace JPEG -colorspace sRGB \
 129               -auto-orient -thumbnail "$w"x -unsharp 0x.5 \
 130               wip/fav/"$base"."$w"x.jpg
 131             mv_ {wip/,}fav/"$base"."$w"x.avif
 132           }
 133           echo "<source type='image/jpeg' srcset='$name.${w}x.jpg ${w}w' />"
 134           echo "<img src='$name.${w}x.jpg' alt='$creationDate' />"
 135         echo "</picture>"
 136         dst="$name".1200x.avif
 137         ln -fs -t fav/"$month"/by-uuid/"$uuid" ../../"$dst"
 138         ;;
 139       *.mp4)
 140         # Slow, but needed to make wide videos span two columns of the CSS grid
 141         orient=$(ffprobe -v 0 -select_streams v:0 -show_entries stream_side_data=rotation -of default=nw=1:nk=1 src/"$src")
 142         if [ -z "$orient" ]; then scale="-2:360"; else scale="360:-2"; fi
 143         echo "<li id='$id' class='$wow vid-orient-$orient'><div class='item'>"
 144         test fav/"$base".avif -nt src/"$src" || {
 145           ffmpeg_ -i src/"$src" \
 146             -map 0:v \
 147               -filter:v format=yuv420p10le,scale="$scale" \
 148               -frames:v 1 -crf 35 \
 149             wip/fav/"$base".avif
 150           mv_ {wip/,}fav/"$base".avif
 151         }
 152         need_opus () {
 153           test tmp/fav/"$base".opus -nt src/"$src" || {
 154             ffmpeg_ -i src/"$src" \
 155               -map 0:a -c:a libopus -b:a 64k -application voip \
 156               wip/fav/"$base".opus
 157             mv_ {wip,tmp}/fav/"$base".opus
 158           }
 159         }
 160         test fav/"$base".360p.av1.webm -nt src/"$src" || {
 161           need_opus
 162           # See https://gitlab.com/AOMediaCodec/SVT-AV1/-/blob/master/Docs/CommonQuestions.md
 163           # See https://gist.github.com/BlueSwordM/86dfcb6ab38a93a524472a0cbe4c4100
 164           # -preset       Range from 0 to 13, with higher numbers providing a higher encoding speed;
 165           # -crf          Range is 0-63, with the default being 50.
 166           #               Lower values correspond to higher quality and greater file size
 167           # yuv420p
 168           # yuv420p10le   can represent more shades of grey and colors
 169           #               and is less prone to certain artifacts, such as color
 170           #               banding and loss of detail in low luma areas
 171           #               cost in terms of resulting file size (~5%),
 172           #               can also be more compute-intensive than 8-bit in some decoders
 173           # tune=0        subjective mode often results in an image with greater
 174           #               sharpness and is intended to produce a result that appears to humans
 175           #               to be of high quality (as opposed to doing well on basic objective measures,
 176           #               such as PSNR)
 177           # scd=1         biases the encoders' scene detection to insert more intra refreshes if needed,
 178           #               and reduce temporal dependencies around scene-changes.
 179           # scm=0         screen content mode decision making. 0 is best for live-action.
 180           ffmpeg_ -i src/"$src" -i tmp/fav/"$base".opus \
 181             -map 0:v \
 182               -filter:v format=yuv420p,scale="$scale" \
 183               -c:v libsvtav1 -preset 10 -crf 35 \
 184                 -svtav1-params keyint=30s:tune=0:enable-overlays=1:scd=1:scm=0:fast-decode=1:tile-columns=2 \
 185             -map 1:a -c:a copy \
 186             wip/fav/"$base".360p.av1.webm
 187           mv_ {wip/,}fav/"$base".360p.av1.webm
 188         }
 189         dst="$name".360p.av1.webm
 190         ln -fs -t fav/"$month"/by-uuid/"$uuid" ../../"$dst"
 191         #test fav/"$base".360p.vp9.webm -nt src/"$src" || {
 192         #  need_opus
 193         #  # See https://developers.google.com/media/vp9/settings/vod#recommended_settings
 194         #  # See https://gist.github.com/mrintrepide/3033c35ee9557e66cff7806f48dbd339
 195         #  set -- \
 196         #    -filter:v format=yuv420p10le,scale="$scale" \
 197         #    -c:v libvpx-vp9 -quality good -crf 20 \
 198         #    -minrate 138k -b:v 276k -maxrate 400k \
 199         #    -cpu-used 4 -static-thresh 0 -tile-columns 0 -tile-rows 0 -frame-parallel 0 \
 200         #    -row-mt 1 -aq-mode 0 -auto-alt-ref 6 -lag-in-frames 25 -enable-tpl 1
 201         #  test -e tmp/fav/"$base".360p.vp9.webm-0.log || {
 202         #    # FIXME: how to disable h264 debug log?
 203         #    ffmpeg 2>/dev/null -i src/"$src" \
 204         #     -map 0:v "$@" -pass 1 -passlogfile wip/fav/"$base".360p.vp9.webm \
 205         #     -f null \
 206         #     /dev/null
 207         #    mv_ -t tmp/fav/"${base%/*}" wip/fav/"$base".360p.vp9.webm-*.log
 208         #  }
 209         #  ffmpeg -i src/"$src" -i tmp/fav/"$base".opus \
 210         #    -map 0:v "$@" -pass 2 -passlogfile tmp/fav/"$base".360p.vp9.webm \
 211         #    -map 1:a -c:a copy \
 212         #    wip/fav/"$base".360p.vp9.webm
 213         #  mkdir -p fav/"$month"/by-uuid/"$uuid"
 214         #  mv_ wip/fav/"$base".360p.vp9.webm fav/"$base".360p.vp9.webm
 215         #  rm -fv tmp/fav/"$base".360p.vp9.webm-*.log
 216         #}
 217         #test fav/"$base".mp4 -nt src/"$src" || {
 218         #  ffmpeg -i src/"$src" \
 219         #    -filter:v format=yuv420p \
 220         #    -c:v libx264 -preset medium -crf 22 \
 221         #    -tune zerolatency \
 222         #    -maxrate 1M -bufsize 2M \
 223         #    -movflags use_metadata_tags +faststart \
 224         #    -c:a libopus -base:a 64k -application voip \
 225         #    -filter:v "scale=iw/2:ih/2" \
 226         #    wip/fav/"$base".mp4
 227         #  mv_ wip/fav/"$base".mp4 fav/"$base".mp4
 228         #}
 229         #  class='orient$orient'
 230         echo "<video controls preload=none poster='$name.avif'>"
 231           # See https://jakearchibald.com/2022/html-codecs-parameter-for-av1/
 232           # and ffmpeg -i fav/$month/foo.av1.webm -c:v copy -bsf:v trace_headers -f null /dev/null |&
 233           #     grep -e seq_profile -e seq_level_idx -e seq_tier -e high_bitdepth -e twelve_bit
 234           P=0; LL=01; T=M; DD=08
 235           echo "<source type='video/webm; codecs=av01.$P.$LL$T.$DD' src='$name.360p.av1.webm' />"
 236           echo "<p><a href='$name.360p.av1.webm'>$name.360p.av1.webm</a></p>"
 237         echo "</video>"
 238     esac
 239     touch -a src/"$base".txt
 240     printf %s "<span class='comment'>"
 241     sed -e '$q;s/$/<br \/>\n/' src/"$base".txt
 242     echo "</span>"
 243     echo "</div>" # class='item'
 244     echo "<span class='infos'>"
 245     echo "  <span class='creationDate'>$creationDate</span>"
 246     echo "</span>"
 247     echo "<span class='links'>"
 248     echo "  <a class='by-uuid' href='by-uuid/$uuid/${dst##*/}' title='Lien public vers cette capture' target='_blank'>@</a>"
 249     echo "  <a class='anchor' href='#$id' title='Ancre vers cette capture'>#</a>"
 250     echo "</span>"
 251     echo "</li>"
 252     echo
 253   done
 254   cat <<EOF
 255   </ul>
 256   </div>
 257
 258   </body>
 259   </html>
 260 EOF
 261   } >tmp/fav/"$month"/index.html
 262   mv_ -f {tmp/,}fav/"$month"/index.html
 263
 264   echo >&2 "$dir: removing any deleted favorites"
 265   (cd fav; find -L "$month" -mindepth 1 -not -path '*/by-uuid/*' -type f -not -name index.html) |
 266   while read -r fav; do
 267     base=$fav
 268     base=${base%.300x.avif}
 269     base=${base%.600x.avif}
 270     base=${base%.1200x.avif}
 271     base=${base%.avif}
 272     base=${base%.360p.av1.webm}
 273     base=${base%.uuid}
 274     name=${base#*/}
 275     unset hasSrc
 276     for src in src/"$base".???; do hasSrc=set; done
 277     test "${hasSrc:+set}" || {
 278       echo >&2 "$dir: removing $year/fav/$fav"
 279       rm -f fav/"$fav"
 280       rm -f fav/"$month"/by-uuid/*/"$name".{1200x.avif,avif,360p.av1.webm,uuid}
 281     }
 282   done
 283   rmdir -p 2>/dev/null fav/"$month"/by-uuid/*/ || true
 284   rmdir -p 2>/dev/null wip/fav/* || true
 285   popd >/dev/null
 286 done