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• 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 ?

  


• How to recover video from H264 frames and timestamps [closed]

  10 juin 2024, par kokosda

  My service receives H264 frames and some metadata related to them like Timestamp from MS Teams.

  


  Observations :

  


  

  • Those frames are inter-frame compressed.

  


  • Resolution of those frames can change.

  


  • Timestamps are like this one 39264692280552704. That represents year 125 if fed to .NET consturctor new DateTime(39264692280552704), so I need to add 1899 years to get a real date.

  


  • I can wrap the sequence to a playable mp4 container with ffmpeg -i input.h264 -c copy output.mp4, however it is not what I want because the resulting video plays too fast, like on fast forward. Thus, I would like those timestamps would be considered to recover a real timeline.

  


  


  I merged all the H264 frames in one file like input.h264 and saved all the timestamps in another file like metadata.json. In metadata.json, each object describes a single frame from input.h264.

  


  My question is how to recover the source video from frames and timestamps that I received from Teams ? Particularly, using FFMPEG.

  


• avr32 : remove explicit support

  9 juin 2024, par Rémi Denis-Courmont

  avr32 : remove explicit support
  The vendor has long since switched to Arm, with the last product
  
  reaching their official end-of-life over 11 years ago. Linux support for
  
  the ISA was dropped 7 years ago. More importantly, this architecture was
  
  never supported by upstream GCC, and the vendor fork is stuck at version
  
  4.2, which FFmpeg no longer supports (as per C11 requirement).
  Presumably, this is still the case given the lack of vendor support.
  
  Indeed all of the code being removed here consisted of inline assembler
  
  scalar optimisations. A sane C compiler should be able to perform those
  
  automatically nowadays (with the sole exception of fast CLZ detection),
  
  but this is moot as this architecture is evidently dead.
  

  • [DH] configure
  • [DH] libavcodec/avr32/mathops.h
  • [DH] libavcodec/mathops.h
  • [DH] libavutil/avr32/intreadwrite.h
  • [DH] libavutil/intreadwrite.h