Raphaël G. Git Repositories - tools/blob - vidpack

   1 #! /bin/sh
   2
   3 #Set temporary directory
   4 tmpdir=/tmp/vidpack
   5
   6 #Without temporary directory
   7 if [ ! -d "$tmpdir" ]; then
   8         #Create temporary directory or die
   9         mkdir -p "$tmpdir" || exit 1;
  10 fi
  11
  12 #Set time as utc
  13 export TZ="utc"
  14
  15 #Iterate on each video in cur dir older than 1h
  16 #for i in `find $docdir -maxdepth 1 -type f,l -name '*.mov' -o -name '*.mp4' -mmin +60`; do
  17 #for i in `find . -maxdepth 1 -type f \( -name '*.mp4' -o -name '*.avi' -o -name '*.mpg' -o -name '*.mkv' \)`; do
  18 find . -maxdepth 1 -type f \( -iname '*.mov' -o -iname '*.mp4' -o -iname '*.avi' -o -iname '*.mpg' -o -iname '*.mkv' \) -print0 | while read -d $'\0' i; do
  19         #Set file date
  20         fdate=$(date -u --rfc-3339=ns -r "$i" | perl -pne 's/\..*$/.000000Z/; s/ /T/');
  21
  22         #Without file content
  23         if [ -s "$i" ]; then
  24                 #File must not be empty
  25                 continue;
  26         fi
  27
  28         #Without file date
  29         if [ -z "$fdate" ]; then
  30                 #File date must exists
  31                 exit 1;
  32         fi
  33
  34         #Set name date
  35         #XXX: may miss if filename don't match /^(.*[^0-9])?YYYYMMDD[^0-9]?HHMMSS([^0-9].*)?$/
  36         ndate=$(echo "$i" | perl -ne 'print if s/^(?:.*[^0-9])?([0-9]{4})([0-9]{2})([0-9]{2})(?:[^0-9])?([0-9]{2})([0-9]{2})([0-9]{2})(?:[^0-9].*)?$/\1-\2-\3T\4:\5:\6.000000Z/');
  37
  38         #Without name date
  39         if [ -z "$ndate" ]; then
  40                 #Set name date
  41                 #XXX: catch when filename match only /^(.*[^0-9])?20YYMMDD([^0-9].*)?$/
  42                 ndate=$(echo "$i" | perl -ne 'print if s/^(?:.*[^0-9])?(20[0-9]{2})([0-9]{2})([0-9]{2})(?:[^0-9].*)?$/\1-\2-\3T00:00:00.000000Z/');
  43         fi
  44
  45         #Set create date
  46         cdate=$(ffprobe -hide_banner -v error -show_entries format_tags=date,creation_time,com.apple.quicktime.creationdate -of default=nokey=1:noprint_wrappers=1 -i "$i" 2> /dev/null | perl -ne '$l = $_ unless /^$/; END { chomp $l; print $l }');
  47
  48         #Set best date
  49         date=$(echo -e "$fdate\n$ndate\n$cdate" | perl -ne '$l = $_ unless /^(0000:00:00 00:00:00|)$/; END { chomp $l; print $l }');
  50
  51         #Set dest filename
  52         dest="$(echo "$i" | perl -pne 's/\.(?:mp4|avi|mpg|mkv)$//').webm";
  53
  54         #Set passlog filename
  55         passlog="$tmpdir/$(echo "$i" | perl -pne 's%(?:.*/)([^/]+)\.(?:mp4|avi|mpg|mkv)$%\1%;s% %_%g')";
  56
  57         #With passlog file
  58         #if [ -f "$passlog-0.log" ]; then
  59         #       #Display error
  60         #       echo "Operation in progress: $passlog-0.log exists"
  61         #
  62         #       #Exit with failure
  63         #       exit 1;
  64         #fi
  65
  66         #Set source rate
  67         sourcerate=$(ffprobe -hide_banner -v quiet -select_streams v:0 -show_entries stream=bit_rate -of default=nokey=1:noprint_wrappers=1 "$i" | perl -ne 'chomp; print');
  68
  69         #Set bitrate
  70         bitrate=256k
  71
  72         #With sourcerate >= 5120k (1080p)
  73         if [ $sourcerate -ge 5120000 ]; then
  74                 #Set bitrate
  75                 bitrate=5120k
  76         #With sourcerate >= 2560k (720p)
  77         elif [ $sourcerate -ge 2560000 ]; then
  78                 #Set bitrate
  79                 bitrate=2560k
  80         #With sourcerate >= 1024k
  81         elif [ $sourcerate -ge 1024000 ]; then
  82                 #Set bitrate
  83                 bitrate=1024k
  84         #With sourcerate >= 512k
  85         elif [ $sourcerate -ge 512000 ]; then
  86                 #Set bitrate
  87                 bitrate=512k
  88         fi
  89
  90         #With dest existing
  91         if [ ! -f "$dest" ]; then
  92                 #Without passlog file
  93                 if [ ! -f "$passlog-0.log" ]; then
  94                         #First pass
  95                         #ffmpeg -i "$i" -v error -passlogfile "$passlog" -c:v libaom-av1 -b:v "$bitrate" -pass 1 -an -f null /dev/null < /dev/null;
  96                         ffmpeg -i "$i" -v error -passlogfile "$passlog" -c:v libvpx-vp9 -b:v "$bitrate" -pass 1 -an -f null /dev/null < /dev/null;
  97
  98                         #With first pass
  99                         if [ $? != 0 ]; then
 100                                 #Skip to next run
 101                                 continue;
 102                         fi
 103                 fi
 104
 105                 #With passlog file
 106                 if [ -f "$passlog-0.log" ]; then
 107                         #Second pass
 108                         #XXX: see http://wiki.webmproject.org/webm-metadata/global-metadata#TOC-Official-Tags
 109                         #ffmpeg -y -i "$i" -v error -passlogfile "$passlog" -c:v libaom-av1 -b:v "$bitrate" -pass 2 -pix_fmt yuv420p -c:a libopus -movflags +faststart -metadata creation_time="$date" -fflags +bitexact "$dest" < /dev/null;
 110                         ffmpeg -y -i "$i" -v error -passlogfile "$passlog" -c:v libvpx-vp9 -b:v "$bitrate" -pass 2 -pix_fmt yuv420p -c:a libopus -movflags +faststart -metadata creation_time="$date" -fflags +bitexact "$dest" < /dev/null;
 111
 112                         #With second pass pass
 113                         if [ $? = 0 ]; then
 114                                 #With non empty dest file
 115                                 #if [ -s "$dest" ]; then
 116                                 #       #Remove source file
 117                                 #       unlink "$i";
 118                                 #fi
 119
 120                                 #With passlog file
 121                                 if [ -f "$passlog-0.log" ]; then
 122                                         #Remove passlog file
 123                                         unlink "$passlog-0.log";
 124                                 fi
 125                         fi
 126                 fi
 127         fi
 128 done
 129
 130 #Remove temporary directory
 131 rmdir "$tmpdir" || true;
 132
 133 #Exit with success
 134 exit 0;