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• laravel ffmpeg upload video in amazon s3 failed 504 gateway Time-out

  21 mai 2020, par Ahmed Al-Rayan

  Why after uploading a video size of more than 1 Giga, I see a problem in the nginx 504 gateway timeout preventing me from completing the processing process. The meaning of the video after uploading starts the processing process and because of this problem it does not go to processing use laravel ffmpeg and use amazon s3 service to store the videos on it and the entire site uploaded to Digital hosting

  


• Opening Video with opencv3 and python on Amazon EC2

  11 octobre 2016, par stml

  I successfully set up python and opencv3 on an t2.micro instance by following these instructions : http://stackoverflow.com/a/38867965/1213715

  The script which worked on my local machine no longer works. The problem seems to be with importing video. The start of my code now looks like this :

  import numpy as np
  
  import cv2
  
  
  
  cap = cv2.VideoCapture('/home/ec2-user/test.mov')
  
  
  
  if(cap.isOpened() == False):
  
      print "Can't open video"
  
      exit()

  This exits every time. I have tried different paths and different video formats (including .avi).

  In other threads, I read that ffmpeg is essential to cv2 video functions, and successfully installed this using the instructions at https://forums.aws.amazon.com/thread.jspa?messageID=524523. I can now run ffmpeg from the command line - but it has not changed the cv2 output.

  Do I need to link ffmpeg to cv2 somehow, or do I need to recompile entirely - and if so, what change should I make to the original installation instructions ?

  Python version 2.7.12

  Opencv version 3.1.0

• How to apply ffmpeg code to apply watermark while converting video ?

  12 août 2017, par asif

  There are three options in video converter PHP script, before converting via ffmpeg on a Linux server.

  • 1.Video Quality
  • 2.Audio Quality
  • 3.Video Size

  For quality, code lines in PHP are :

  <option value="2000000">high</option>
  
  <option value="1000000">medium</option>

  For audio :

  <option value="44100">high</option>
  
  <option value="22050">medium</option>
  
  <option value="11025">low</option>

  For size :

  <option value="640x360">640x360</option>
  
  <option value="854x480">854x480</option>
  
  <option value="1280x720">1280x720</option>

  Likewise the conversion code is :

  if ($new_format=="mp4") {
  
      $call = $ffmpeg." -i ".$video_to_convert." -vcodec mpeg4 -r 30 -b ".$quality." -acodec libmp3lame -ab 126000 -ar ".$audio." -ac 2 -s ".$size." ".$converted_vids.$name.".".$new_format." -y 2> log/".$name.".txt";
  
  }
  
  // enter code here

  I saw this on one site : http://hd69.info/process.php?uploaded_name=11 1.mp4

  They have applied a watermark code line. I am doing the same but it results in an error, I put code lines in the video quality just like they did, putting this code in video quality options :

  -i watermark.png -filter_complex 'overlay=main_w-overlay_w-10:main_h-overlay_h-10'

  I am getting errors, please help how to do it like on that site.