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[Shamil <valeevshf2@xxxxxxxxx>]

Public bug reported:

I created a project with 56 tracks. Each track included one clip from 10 to 15 seconds and one 3 second transition (blinds sliding). Resolution of the clips were 2304 x 1296 (H.264 / AVC, 25 frames per second). When I started exporting video to AVI(h.264) HD720p 25 fps I faced with memory leaking. System monitor showed a constant growth of memory usage up to 100 percent. 
I found a solution but I hope that my letter will help you to fix your program.

Solution was the next. I had to split my project into three parts,
export them separately and then merge them together. I also mentioned
that there was no memory leaking when I merged video clips without
changing resolutions. So that may be a good idea to work always with
converted versions of the clips.

Environment:
64 bits, 
ubuntu 14.04 LTS (OS is not installed, starts from flash disk without swap partition)
Openshot 1.4.3
PC with AMD FX(tm)-6300 Six-Core Processor × 6, 8GB RAM

** Affects: openshot
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1469845

Title:
  Memory leaking when export video

Status in OpenShot Video Editor:
  New

Bug description:
  I created a project with 56 tracks. Each track included one clip from 10 to 15 seconds and one 3 second transition (blinds sliding). Resolution of the clips were 2304 x 1296 (H.264 / AVC, 25 frames per second). When I started exporting video to AVI(h.264) HD720p 25 fps I faced with memory leaking. System monitor showed a constant growth of memory usage up to 100 percent. 
  I found a solution but I hope that my letter will help you to fix your program.

  Solution was the next. I had to split my project into three parts,
  export them separately and then merge them together. I also mentioned
  that there was no memory leaking when I merged video clips without
  changing resolutions. So that may be a good idea to work always with
  converted versions of the clips.

  Environment:
  64 bits, 
  ubuntu 14.04 LTS (OS is not installed, starts from flash disk without swap partition)
  Openshot 1.4.3
  PC with AMD FX(tm)-6300 Six-Core Processor × 6, 8GB RAM

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