linux-traipu team mailing list archive

[Andy Finch <822354@xxxxxxxxxxxxxxxxxx>]

Well, Mael wrote the code, I just applied the patch :-)

Good to see that it fixes the problem. I assume you won't be releasing
another version of AVLinux before September (our projected estimate for
1.4)?

** Changed in: openshot
    Milestone: None => 1.4.0

** Changed in: openshot
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/822354

Title:
  Python-popen errors with MLT 0.7.4

Status in OpenShot Video Editor:
  Fix Committed

Bug description:
  Hi,

  In AV Linux 5.0 I used a custom 0.7.3 MLT version from GIT that
  avoided many of the issues of 0.7.2, since MLT 0.7.4 has been released
  I am using it here in development and am seeing issues with both
  Openshot and Kdenlive (Kdenlive is now resolved).

  With Openshot 1.3.1 an upgrade to 0.7.4 results in the dreaded 'no
  codecs found' error which generally seems to imply that the melt
  executable is not being found correctly or at all. If I launch
  Openshot from the terminal everything looks normal and there is a
  large amount of output from the liblrdf scan of the numerous LADSPA
  audio plugins on the system (also normal due to MLT's blessed new
  ability to hook into LADSPAs). The problem seems to occur at the end
  of the scan where I am seeing this error:

  There were some errors calling melt using os.Popen()
  There were some errors calling melt using os.Popen()
  There were some errors calling melt using os.Popen()

  The MLT issue with Kdenlive may shed some light on this because MLT
  0.7.4 has moved from using 'stderr' for querying melt to using
  'stdout'. I asked Dan Dennedy about this on the mlt-mailing list and
  he personally wasn't seeing this issue with Openshot 1.3.1 and thought
  that python-popen should be able to handle this change from stderr to
  stdout. In my experience and using the same build/packaging methods I
  am now seeing this error and Openshot is not working with MLT 0.7.4.

  Let me clarify that the existing 0.7.3GIT MLT is doing the job quite
  nicely with Openshot 1.3.1 however since you are working on the 1.4
  release which will most likely be using MLT 0.7.4 when it's complete I
  thought I'd share my findings in case there are other similar issues
  with MLT 0.7.4.

  Looking forward to the 1.4 release! Best Regards, Glen MacArthur - AV
  Linux maintainer.

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