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• Alternative for Xuggle-Xuggler / FFmpeg in Xamarin Android ?

  21 mai 2016, par Jamie de Jong

  For days I am trying to find a working library that can decode the video stream of the Parrot AR Drone 2.0. The problem is actually that FFmpeg isn’t working in Xamarin Android and the Xuggle-Xuggler is only for Java which makes it really difficult.

  Furthermore, I tried to use FFmpeg, but everytime I got errors like this : DllImport error loading lbavcodec-55': 'dlopen failed: libavcodec-55" not found'. I have seen a lot of possible solutions but nothing works. I also tried to compile some .dll files which contains the FFmpeg source code, but unfortunately the same errors as before.

  I just want create a TCP video stream to "192.168.1.1:5555". After that I want to use a possible decode class/library which could decode the bytes to frames or something like that and put it on the view using a VideoView, so the frames will be shown on the smartphone.

  Has anyone experience with this ? Or does someone know a working library for decoding the TCP video stream of the drone ?

  Thanks.

• ffmpeg expert to help me with an encoding problem [closed]

  22 août 2022, par Michael Heuberger

  I'm the developer of www.videomail.io and experience issues with audio. It's a heavily used, free service to enable Deaf people to email in Sign Language. Runs on ffmpeg (under node-fluent-ffmpeg) and JavaScript (Node.js).

  


  Since I am Deaf myself, I am unable to repair some audio-related issues while muxing video with audio together on server side via ffmpeg. Reason for adding audio is to expand the target audience.

  


  That said, I'm searching for someone to help me with this. It's a paid job !

  


  Requirements :

  


  

  • Must know ffmpeg very well, especially on how to encode audio (WAV) and video (MP4) together without any audio delays.

  


  • Knowing JavaScript would be a massive plus for writing code

  


  • Has time in the following weeks, I guess about 10 hours or so.

  


  


  If you are keen, ping me please. My page is www.binarykitchen.com - thanks !

  


• shell_exec echo'ing too fast or too late

  15 septembre 2016, par root

  So I read throug this article : https://trac.ffmpeg.org/wiki/PHP
  and found this :

  <?php
  
  echo "Starting ffmpeg...\n\n";
  
  echo shell_exec("ffmpeg -i input.avi output.avi >/dev/null 2>/dev/null &");
  
  echo "Done.\n";

  the code works almost perfectly fine, but the only thing that bothers me is, that because the shell_exec is being executed in the background (so there is no loading sign on the tab the whole time) all the echo’s are being executed immediatly. This means, that the "Done" echo is being written before ffmpeg finished its task.

  But when I remove the ’&’ the site does also what it is intended to do but now it waits until the shell_exec is finished until it echo’s out the "Starting ffmpeg..."

  So I kinda have the problem of figuring out how to get to such an order :

  1) echo something
  2) execute commad and wait until its finished.
  3) echo again

  I am a total beginner to php but have experience in programming overall. Please have mercy.

  Thank you for your time !