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Rendering aborted: [h264 @ 0x7f1ef800d5e0] insufficient thread locking around avcodec_open/close()

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j-b-m
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It's not easy to follow all issues, sometimes people solve their problem without further notice, so on the forums, it is sometimes needed to ask for updates or I might not follow.

From your FFmpeg version, I guess you are on Ubuntu 11.10, right? I tried to render a simple video file in mpeg4 and h264, it worked fine.

Can you try this:

Start a new project, put just one file in it (for example the file /media/Video/2011/Compleanno Matteo/00026.MTS mentionned in the previous log) and try to render just that file or a part of it in mpeg4 and h264.

Does it work? Then maybe there is one file in your project that triggers the bug.. If the rendering crashes around 20%, might be worth looking at what is in timeline around that time.

You could also try to render the last 50% of your project (using the timeline zone) to see if the problem is related to a part of your project.

Anyways, if a simple rendering works, try to remove clips one by one from your project until you find what is the problem...
mrcrowley
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No problem. I understand you and I thank u however for helping me.

I had already tried with one file and it works without problem.

That's very strange because all the files are from the same cam at the same setting.

Bytheway I notice that one videoclip in the project (the last one added, not at 20% of progress) wasn't played. Video stopped while audio play on.

Bye bye.
mrcrowley
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I did some test. It seems that there is a problem with the duration of the project that should be rendered.
Rendering the first half of the project works well. Rendering the second half of the project works well.
So the problem is at 50% of the project, but is not one clip problem, because if I cancel this clip from timeline, the rendering doesn't complete anyway.
So I have to split the main project of about 20 minutes in two project.

Another strange thing is: when I choose to Adjust Profile to Current Clip from menu Project, I got an error message "Your clip does not match current project's profile.
No existing profile found to match the clip's properties.
Clip size: 1920x1088
Fps: 25"

This could be the reason for the rendering problems ???

Bye

mrcrowley
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normcross
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I had a slightly similar problem and this may not be related, but, have you any music in your audio timelines? If so, disable all audio and try to render again.
mrcrowley
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Only the audio of the clip.

bye
mrcrowley
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Sorry j-b-m, I would only like to know if there is something to do so I can rendering just one project and not split two ???

Regards.
normcross
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I see that you are using Kdenlive 0.8.3 which I assume you got from here:-

https://launchpad.net/~sunab/+archive/kdenlive-svn

There was a new update yesterday which seems to have stopped my crashing on 2 pass rendering.
mrcrowley
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No. I really use Kdenlive 0.8.2.1 because I have more problem with 0.8.3.

Should I give one more try to kdenlive-svn +MLT-git ???

Do I have to disinstall 0.8.2.1 first ???

Thanks
j-b-m
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On Ubuntu, it's really easy to try the current development package. Just add the kdenlive-svn PPA as explained in:
https://launchpad.net/~sunab/+archive/kdenlive-svn (don't remove the kdenlive-release ppa)

Then, your package manager will show you an update for MLT and Kdenlive.

If you later want to revert to the stable 0.8.2.1, just do:

ppa-purge ppa:sunab/kdenlive-svn (you might need to install ppa-purge)

It will remove the kdenlive-svn repository from your sources and downgrade to the kdenlive-release version
mrcrowley
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With 0.8.3 it's getting worst ... it doesn't even start the rendering. It crashes immediatly.

I don't know where to crash my head !!! It's incredible !!!! No way out !!!!

normcross
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Hi mrcrowley,

It really is time for you to take this issue to the Bugtracker:- http://kdenlive.org/mantis (if you haven't already)

It seems to be filling with similar problems and at this rate, you'll have no hair left :)


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