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• lavd/v4l2 : produce a 0 byte packet when a dequeued buffer's size is unexpected

  5 juin 2019, par Stephan Hilb

  lavd/v4l2 : produce a 0 byte packet when a dequeued buffer's size is unexpected
  Behave like we do for V4L2_BUF_FLAG_ERROR, implemented in commit 28f20d2ff4 .
  For some devices (probably also related to the V4L driver implementation)
  
  it happens that when invoking the ioctl DQBUF, the returned buffer is not
  
  of the expected size. Here are two examples for such occurrences :
      [video4linux2,v4l2 @ 0x258b440] Dequeued v4l2 buffer contains 609596 bytes, but 614400 were expected. Flags : 0x00000001.
  
      /dev/video1 : Invalid data found when processing input
      [video4linux2,v4l2 @ 0x225f440] Dequeued v4l2 buffer contains 609508 bytes, but 614400 were expected. Flags : 0x00000001.
  
      /dev/video1 : Invalid data found when processing input
  For the ffmpeg CLI tool this means it will stop capturing and exit.
  The described behaviour was observed at least with one OmniVision USB
  
  web cam and with some stk1160 devices.
  If you search the web for the error message, you will find quite a few
  
  instances of this problem. Some of them experienced on other devices.
  Probably fixes ticket #4795
  Signed-off-by : Alexander Strasser <eclipse7@gmx.net>
  

  • [DH] libavdevice/v4l2.c

• Evolution #3488 (Nouveau) : Stocker globalement toutes les requetes passées

  29 juin 2015, par nico d

  Suite au oups de ce commit :
  https://core.spip.net/projects/spip/repository/revisions/22276
  vous avez pu voir que j’ajoute dans une globale toutes les requêtes effectuées.
  Pour éviter une nouvelle boulette j’ai forké chez moi req/mysql.php en req/mysqldebug.php (connecteur perso).

  Cette globale avec toutes les requetes me permet d’afficher sur toutes les pages (public et privé) un petit bandeau avec le nombre de requêtes effectuées et d’autres infos.
  Ce nombre de requêtes affiché me sert à optimiser plus rapidement des squelettes, sans passer par profil ou debug. Ou à vérifier que des pages se mettent bien en cache.
  Exemple :
  

  Est ce que ça vous parait intéressant ?

• Where to (long time) host Spring Boot Application with Data Base Backup and Linux Root Access [closed]

  22 mai 2024, par Lord Helmchen

  I developed a small application for my father. It uses Spring Boot, MySQL and FFMPEG, which I currently installed on Linux.

  


  I want to host it, deploy it automatically, have a back up and root access for FFMPEG installation.

  


  It runs smoothly locally on Windows / Linux, now I want to host it somewhere.

  


  What I would like to have :

  


  

  • Ease of deployment : I got experience in adminstration of linux root servers, but I look for something easy to integrate and maybe automatically deploy it from Github or Gitlab

  


  • Backup : I want to backup the database ideally to another service provider in case something goes wrong.

  


  • Linux : One Part of it, amongs others is to convert different audio formats using ffmpeg.
So, (I think) I need linux root access as well.

  


  • Time Horzion : I would like to make sure it still runs in ten+ years, so it should be a reliable provider where I only update the application from time to time if needed.

  


  • Money : As it is only for personal use at this moment, I don't want to invest a fortune.

  


  


  What provider and deployment pipeline would you recommend to me ?