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[Roland Duhaime <roland.duhaime@xxxxxxxxx>]

Hi Andy,

I updated MLT as you suggested.  Great news, there were no black frames
in my latest set of PNG files.  Thanks very much for the suggestion.
However, VirtualDub still indicates that the png files have bad
checksums.  I have a workaround for this using Irfanview.

Thanks,
Roland

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You received this bug notification because you are a member of UBUNTU -
AL - BR, which is subscribed to OpenShot Video Editor.
https://bugs.launchpad.net/bugs/974572

Title:
  Some PNG Frames Render Black or With Checksum Errors

Status in OpenShot Video Editor:
  New

Bug description:
  I am running Openshot 1.4.2 in Mint Linux, which is running inside of
  VirtualBox.  I am exporting the video as individual frames to be
  compressed elsewhere.  Some PNG frames render black or with checksum
  errors.  This behavior isn't consistent.  Sometimes all of the frames
  appear to render properly, yet they still have checksum errors.  There
  were black frames in Openshot 1.4.0, but there appear to be less in
  1.4.2.  As a work-around, I am able to use Irfanview to remove the
  checksum errors from each of the PNG files.

  Notes:
  I installed the 1.4.2 .deb version

  I render to the PNG frames because the videos I was previously
  creating from OpenShot also had the black/skipped frames.

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