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• ffmpeg doesn't work when the script is launched by cron - No protocol specified, Cannot open display :0.0

  14 janvier 2024, par a k

  ffmpeg in my script doesn't work when the script is launched by cron of the root

  


  Error : No protocol specified, Cannot open display :0.0

  


  OS : Ubuntu 20.04

  


  #!/bin/bash
log=/var/log/log2/log2.txt

echo ______________ $(date) >> "$log"
echo "$""DISPLAY" "=      "  "$DISPLAY" >> "$log" ;
echo whoami '         ' $(whoami) >> "$log" 
echo pwd '            ' $(pwd) >> "$log" 
echo "$""USER" "=" '        ' "$USER" >> "$log"
echo PATH '           ' "$PATH" >> "$log"
echo which ffmpeg '   ' $(which ffmpeg)>> "$log" 
echo whereis ffmpeg ' ' $(whereis ffmpeg) >> "$log" 
echo "\nls -l /bin/* | grep ffmpeg" '        ' >> "$log"
ls -l /usr/bin/* | grep ffmpeg >> "$log"
echo "ls -l /var/log | grep log2" ' '>> "$log"
ls -l /var/log | grep log2 >> "$log"

ffmpeg -y -f x11grab -s 1366x768 -i :0.0 -r 25 /var/log/log2/test.mp4 -loglevel error 2>>"$log" &

echo "pid ffmpeg ""$""!"" = " "$!" >> "$log" 
sleep 5
kill "$!"
echo exit >> "$log"
exit


  


  When Cron (Cron of the root) launches the script, ffmpeg shows the error "No protocol specified, Cannot open display :0.0"

  


  /var/log/log2/log2.txt :

  


  ______________ ven. 05 mai 2023 04:10:01 CEST
$DISPLAY =       
whoami           root
pwd              /root
$USER =          
PATH             /usr/bin:/bin
which ffmpeg     /usr/bin/ffmpeg
whereis ffmpeg   ffmpeg: /usr/bin/ffmpeg /usr/share/ffmpeg /usr/share/man/man1/ffmpeg.1.gz
ls -l /usr/bin/* | grep ffmpeg  
-rwxr-xr-x 1 root   root      284976 mai   18  2022 /usr/bin/ffmpeg
ls -l /var/log | grep log2  
drwxrwxrwx  2 root              root               4096 mai    5 04:09 log2
pid ffmpeg $! =  74590
No protocol specified
[x11grab @ 0x56244aa06740] Cannot open display :0.0, error 1.
:0.0: Input/output error
exit


  


  When I launch the script manually as a not-root user (with sudo), everything work correctly :

  


  ______________ ven. 05 mai 2023 04:10:47 CEST
$DISPLAY =       :0
whoami           root
pwd              /home/an
$USER =          root
PATH             /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
which ffmpeg     /usr/bin/ffmpeg
whereis ffmpeg   ffmpeg: /usr/bin/ffmpeg /usr/share/ffmpeg /usr/share/man/man1/ffmpeg.1.gz
ls -l /usr/bin/* | grep ffmpeg  
-rwxr-xr-x 1 root   root      284976 mai   18  2022 /usr/bin/ffmpeg
ls -l /var/log | grep log2  
drwxrwxrwx  2 root              root               4096 mai    5 04:09 log2
pid ffmpeg $! =  74618
exit


  


  When I launch the script manually as the root, everything works correctly :

  


  ______________ ven. 05 mai 2023 04:11:27 CEST
$DISPLAY =       :0
whoami           root
pwd              /root
$USER =          root
PATH             /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
which ffmpeg     /usr/bin/ffmpeg
whereis ffmpeg   ffmpeg: /usr/bin/ffmpeg /usr/share/ffmpeg /usr/share/man/man1/ffmpeg.1.gz
ls -l /usr/bin/* | grep ffmpeg  
-rwxr-xr-x 1 root   root      284976 mai   18  2022 /usr/bin/ffmpeg
ls -l /var/log | grep log2  
drwxrwxrwx  2 root              root               4096 mai    5 04:11 log2
pid ffmpeg $! =  74683
exit


  


  When crontab of an ordinary user launches the script, it works correctly :

  


  $DISPLAY =       
whoami           an
pwd              /home/an
$USER =          
PATH             /usr/bin:/bin
which ffmpeg     /usr/bin/ffmpeg
whereis ffmpeg   ffmpeg: /usr/bin/ffmpeg /usr/share/ffmpeg /usr/share/man/man1/ffmpeg.1.gz
ls -l /usr/bin/* | grep ffmpeg  
-rwxr-xr-x 1 root   root      284976 mai   18  2022 /usr/bin/ffmpeg
ls -l /var/log | grep log2  
drwxrwxrwx  2 root              root               4096 mai    5 05:05 log2
pid ffmpeg $! =  77601
exit


  


  I have tried to put into the script :

  


  export DISPLAY=":0"

  


  export DISPLAY=":0.0"

  


  export DISPLAY=":1"

  


• How to use multiple cookies in FFmpeg ?

  17 mai 2023, par カルロサグ

  I am trying to use cookies in ffmpeg to download a video that requires cookies

  


  I checked the documentation for multiple cookies using the "-cookies" argument, they must be separated by a newline, but the docs don't show an example of how to do it, there is only an example for the cookies syntax using a single cookie. I've tried "\n" and "\r\n" (used by the "-headers" argument) and they didn't work : I get a 403 response error

  


  Using a regular HTTP client such as curl or aiohttp (python) downloads the video, so the cookies and headers I provided are correct

  


  First test : Cookies as headers

  


  ffprobe -i "https://cdn12.tokyvideo.com/videos/215/215164/mp4/d41bdb167b322ab0b5bf03e9cd64c4c2edb5939e9ba56403afb52297c2ae97be.mp4?nva=20230227154655&nvb=20230223154655&token=0fe81937ec54cc94ab459" -user_agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:96.0) Gecko/20100101 Firefox/96.0" -headers "Accept: */*
Accept-Encoding: gzip, deflate
Connection: keep-alive
Upgrade-Insecure-Requests: 1
Host: www.tokyvideo.com
Referer: https://www.tokyvideo.com
Cookie: XSRF-TOKEN=eyJpdiI6IjNzMGJQb3duNVVNNFJFS0VUdW5MV3c9PSIsInZhbHVlIjoiMWhQRlVlUUxST01IblFXdFM3ZVQzYUZHd2ZRamdGR2JCejNpSmhaMHlwSjBwcksyeHF0UWRsZFhQd244ZW9wTzNsbmdBd2JiM2luTjR2TVhxdEdNdGJQaXE3S3BJM2J5WVljaEtXbFRMRm1aUjVTS2hQVDFVWkphUkc0bjBZSUsiLCJtYWMiOiI0ODJjZjIxZjkzZGQyZjU2YTAzNjNlYzQxMGU5YTQxYjdlZGZkZGJjYWFiZGNhYzRlMzBhZTZiY2MyYjA5OTI3In0%3D; Domain=tokyvideo.com; expires=Sat, 04-Mar-2023 15:46:56 GMT; Max-Age=604800; Path=/
Cookie: tokyvideo_session=eyJpdiI6InVEUkxxUmdTZDJtZnNmeWpqaE9mTWc9PSIsInZhbHVlIjoid1kzVTVZbmtpRHJDUDZOc25pMnRMOFBCRk1IOTVXN3dMc3Y5MmlzaGh6NzVZM0xOMlNCOTB5bTFIemdLXC9ZWE14UGhKUHN2OEFJZDZhR241bG5FcGw0aHpHeTRnbUF0cGVVUkVqQUhReXllVTY1TmtGM2hsV0w5a3RxdCtBa09JIiwibWFjIjoiNzUxM2M1MTJiN2RiM2ZmOGZkYzViM2FkY2E1NTgwNjQzY2NjODIyNWQ4ZjRkMWUxZjc5ODU3NzQyZTQ4ZjJiZiJ9; Domain=tokyvideo.com; expires=Sat, 04-Mar-2023 15:46:56 GMT; HttpOnly; Max-Age=604800; Path=/


  


  Returns 403

  


  Second test : Cookies using -cookies the argument

  


  ffprobe -i "https://cdn12.tokyvideo.com/videos/215/215164/mp4/d41bdb167b322ab0b5bf03e9cd64c4c2edb5939e9ba56403afb52297c2ae97be.mp4?nva=20230227154655&nvb=20230223154655&token=0fe81937ec54cc94ab459" -user_agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:96.0) Gecko/20100101 Firefox/96.0" -headers "Accept: */*
Accept-Encoding: gzip, deflate
Connection: keep-alive
Upgrade-Insecure-Requests: 1
Host: www.tokyvideo.com
Referer: https://www.tokyvideo.com
" -cookies "XSRF-TOKEN=eyJpdiI6IjNzMGJQb3duNVVNNFJFS0VUdW5MV3c9PSIsInZhbHVlIjoiMWhQRlVlUUxST01IblFXdFM3ZVQzYUZHd2ZRamdGR2JCejNpSmhaMHlwSjBwcksyeHF0UWRsZFhQd244ZW9wTzNsbmdBd2JiM2luTjR2TVhxdEdNdGJQaXE3S3BJM2J5WVljaEtXbFRMRm1aUjVTS2hQVDFVWkphUkc0bjBZSUsiLCJtYWMiOiI0ODJjZjIxZjkzZGQyZjU2YTAzNjNlYzQxMGU5YTQxYjdlZGZkZGJjYWFiZGNhYzRlMzBhZTZiY2MyYjA5OTI3In0%3D; Domain=tokyvideo.com; expires=Sat, 04-Mar-2023 15:46:56 GMT; Max-Age=604800; Path=/;
tokyvideo_session=eyJpdiI6InVEUkxxUmdTZDJtZnNmeWpqaE9mTWc9PSIsInZhbHVlIjoid1kzVTVZbmtpRHJDUDZOc25pMnRMOFBCRk1IOTVXN3dMc3Y5MmlzaGh6NzVZM0xOMlNCOTB5bTFIemdLXC9ZWE14UGhKUHN2OEFJZDZhR241bG5FcGw0aHpHeTRnbUF0cGVVUkVqQUhReXllVTY1TmtGM2hsV0w5a3RxdCtBa09JIiwibWFjIjoiNzUxM2M1MTJiN2RiM2ZmOGZkYzViM2FkY2E1NTgwNjQzY2NjODIyNWQ4ZjRkMWUxZjc5ODU3NzQyZTQ4ZjJiZiJ9; Domain=tokyvideo.com; expires=Sat, 04-Mar-2023 15:46:56 GMT; HttpOnly; Max-Age=604800; Path=/;"


  


  Returns 403, using either "\n" or "\r\n" to split the cookies

  


  Output :

  


    built with gcc 10 (Debian 10.2.1-6)
  configuration: --prefix=/usr --extra-version=0+deb11u2 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
[https @ 0x557191d9b840] HTTP error 403 Forbidden
https://cdn12.tokyvideo.com/videos/215/215164/mp4/d41bdb167b322ab0b5bf03e9cd64c4c2edb5939e9ba56403afb52297c2ae97be.mp4?nva=20230227154655&nvb=20230223154655&token=0fe81937ec54cc94ab459: Server returned 403 Forbidden (access denied)


  


• FFMPEG split mp3 and add metatag [closed]

  4 mai 2023, par Ghile

  I have a 2 hour mp3 that I automatically split with python3 and ffmpeg into many mp3 files. I would also like to add metadata to mp3 files, in order to have title, artist, year and album.

  


  In a csv file I have the cutting times and the name of the mp3 file, but I can't add meta data. The function I use is this :

  


  ffmpeg -loglevel panic -i 1.mp3 -ss 02:29:11 -to 02:34:43 -c copy -metadata 'title=My Title', 'artist=ME', 'date=2023' temp/myfile1.mp3


  


  Not work, It only works if I set the title only. Can you help me, please ?
Thank you,