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• ffmpeg - spark - azure databricks - error writing trailer of "filename.mp3" : Operation not supported

  4 juillet 2021, par CRAFTY DBA

  I have been trying to figure out this tough problem.

  


  I am trying to convert *.mp4 files to *.mp3 files.

  


  I tried using MoviePy but I found out that is uses ffmpeg and was having the same issue.

  


  I used these two articles to get the latest version of ffmpeg installed on the Azure Databricks Cluster during startup. I am using a single node cluster for this POC code.

  


  Pyspark : Use ffmpeg on the driver and workers
  
https://ubuntuhandbook.org/index.php/2020/06/install-ffmpeg-4-3-via-ppa-ubuntu-18-04-16-04
  

  


  The issue is that even the simplest command results in errors.

  


  %%bash ffmpeg -i /dbfs/Craftydba/recording.mp4 /dbfs/Craftydba/recording.mp3

  


  I even tried .wav as an output format and still the same issue.

  


  I retested this command on a Data Science VM in Azure with Python and FFMPEG. It works fine on that OS/Build.

  


  It has something to do with the version of the code on the spark cluster.

  


  Any help is appreciated.

  


  Sincerely

  


  John Miner

  


  PS : I am add a dump of the OS version as well as a ffmpeg error.

  


  Os Version Dump

  


  NAME="Ubuntu"
VERSION="18.04.5 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.5 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

  


  FFMPEG Dump

  


  ffmpeg version 4.3.2-0york0~18.04 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
  configuration: --prefix=/usr --extra-version='0york0~18.04' --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-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-libzimg --enable-pocketsphinx --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
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/dbfs/Craftydba/recording.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2
    creation_time   : 2021-06-18T19:07:17.000000Z
  Duration: 00:04:48.64, start: 0.000000, bitrate: 1065 kb/s
    Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1920x1080, 1000 kb/s, 7.96 fps, 8 tbr, 10k tbn, 20k tbc (default)
    Metadata:
      creation_time   : 2021-06-18T19:07:17.000000Z
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 16000 Hz, mono, fltp, 63 kb/s (default)
    Metadata:
      creation_time   : 2021-06-18T19:07:17.000000Z
Stream mapping:
  Stream #0:1 -> #0:0 (aac (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
Output #0, mp3, to '/dbfs/Craftydba/recording.mp3':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2
    TSSE            : Lavf58.45.100
    Stream #0:0(eng): Audio: mp3 (libmp3lame), 16000 Hz, mono, fltp (default)
    Metadata:
      creation_time   : 2021-06-18T19:07:17.000000Z
      encoder         : Lavc58.91.100 libmp3lame
Error writing trailer of /dbfs/Craftydba/recording.mp3: Operation not supported
size=     846kB time=00:04:48.65 bitrate=  24.0kbits/s speed=86.9x    
video:0kB audio:846kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.036945%


  


• avcodec/speedhqenc : Call correct function

  10 décembre 2020, par Andreas Rheinhardt

  avcodec/speedhqenc : Call correct function
  Up until now, the SpeedHQ encoder called a wrong function for init :
  
  void ff_init_uni_ac_vlc(const uint8_t huff_size_ac[256],
  
                          uint8_t *uni_ac_vlc_len) ;
  
  Yet the first argument actually used is of type RLTable ; the size of
  
  said struct is less than 256 if the size of a pointer is four, leading
  
  to an access beyond the end of the RLTable.
  This commit fixes this by calling the actually intended function :
  
  init_uni_ac_vlc() from mpeg12enc.c. It was intended to use this
  
  function [1], yet doing so was forgotten when the patch was actually
  
  applied.
  [1] : https://ffmpeg.org/pipermail/ffmpeg-devel/2020-July/266187.html
  Reviewed-by : Paul B Mahol <onemda@gmail.com>
  
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
  

  • [DH] libavcodec/Makefile
  • [DH] libavcodec/mpeg12.h
  • [DH] libavcodec/mpeg12enc.c
  • [DH] libavcodec/speedhqenc.c

• Anomalie #4737 (Nouveau) : Erreur recherche dans les forums dans le privé

  17 avril 2021, par jluc -

  Dans la partie privée, lorsqu’on utilise la recherche dans les forums publics (menu Activité / Gérer les forums), c’est le forum en tête du fil (id_thread) d’une bonne réponse qui est renvoyé, pas le forum qui contient le mot cherché. Du coup on ne voit pas le mot recherché.

  Exemple :
  - Pour l’article "Formidable, le générateur de formulaires" sur contrib https://contrib.spip.net/3284
  - la recherche du mot "hashage" https://contrib.spip.net/ecrire/?exec=controler_forum&objet=article&id_objet=3284&recherche=hashage
  - renvoie le forum 508211, qui est la question (=id_thred) « Est-ce qu’il serait envisageable que l’option « Effacer régulièrement les résultats les plus anciens » affecte tous les résultats ? »
  - alors que le mot apparaît dans une des réponses, le forum 508219. https://contrib.spip.net/ecrire/?exec=controler_forum&objet=article&id_objet=3284&debut_forum=%40508219#forum508219 (son url actuelle dans le public : https://contrib.spip.net/3284#comment508219-508211)

  Seul le forum de tête de fil apparaît.

  Constaté avec les liens ci dessus sur contrib, et également sur un autre site en SPIP 3.3 de l’automne 2020.