Hello everybody.

I always enjoyed Kdelive very much. It worked great untill now.
My previous systeem had a dualcore processor and 4 GiB ram.
Now I have bought a new laptop with a i7-4710MQ processor and 3.7 GiB Ram + 1.5 GiB Swap.

My projects are generally a bit complicated with many transitions and the like. This never caused much rendering problems but on my new laptop it does.
Even with short videos (2 min) I run out of Ram and when it does it starts to overflow swap untill the whole renderingprocess stops all together.

Some more details:
Kdenlive Version 0.9.10
Using KDE Development Platform 4.13.3
Melt 0.9.3

I have search for the answer myself but most of them deal with a bug years ago in melt. Others just tell you to buy more ram, which I would gladly do if that person would give me the money
Please tell me if you needs more info.

Kind regards,
Jurgen

Hello,
Yesterday MLT was patched against a memory leak with FFMpeg 2.3, maybe this was your problem? Please try with the latest PPA or nightly build and let us know!

Same problem for me when trying to render a PAL-DV 4:3 file (Kubuntu 14.04 64bits, kdenlive 0.9.10).
I am happy to rolled-back to 0.9.8 with ppa:sunab/kdenlive-release-old
With this previous version, no rendering problem (I just lack the new whitebalance colgate filter wich is so better than the previous one).

I had also a problem with the PAL 4:3 VOB: the file was successfully rendered but it generates an error in the DVD assistant:
"ERR: SCR moves backwards, remultiplex input:"
No problem with kdenlive 0.9.8, although I needed to suppress spaces in the directory path.

vpinon wrote:Hello,
Yesterday MLT was patched against a memory leak with FFMpeg 2.3, maybe this was your problem? Please try with the latest PPA or nightly build and let us know!

I will try the develop version from the ppa (ppa:sunab/kdenlive-svn), I al ready used the version from: deb http://ppa.launchpad.net/sunab/sunab2/ubuntu/ trusty main

I use the avconv package from ubuntu 14.04. I also have ffmpeg-real 2.4 installed, so I can try that as well.

vmagnin wrote:Same problem for me when trying to render a PAL-DV 4:3 file (Kubuntu 14.04 64bits, kdenlive 0.9.10).
I am happy to rolled-back to 0.9.8 with ppa:sunab/kdenlive-release-old
With this previous version, no rendering problem (I just lack the new whitebalance colgate filter wich is so better than the previous one).

I had also a problem with the PAL 4:3 VOB: the file was successfully rendered but it generates an error in the DVD assistant:
"ERR: SCR moves backwards, remultiplex input:"
No problem with kdenlive 0.9.8, although I needed to suppress spaces in the directory path.

I did have the problem in 0.9.8 as well,, I hoped to resolve it with 0.9.10. It did not, so probably the problem was melt or mlt realted(!?)

At the moment I do not have the time to check the suggestions given. When I do I will be back to report the results.

Thanks,
Jurgen

Whatta you know!
I could not wait so I made a short test video with some heavy transitions and it worked great again.
Kdenlive used about 1,3 GiB's of ram and during rendering Melt used about 700 Mb's.

I update melt and kdenlive with the developers packages (http://kdenlive.org/download-development).
Currently running:
Melt 0.9.3+git20141010.cd360b21-0ubuntu0~sunab~trusty1
Libmlt6 0.9.3+git20141010.cd360b21-0ubuntu0~sunab~trusty1
Kdenlive 0.9.10+git20141005.46a00701-0ubuntu0~sunab~trusty1

Thanks vpinon for putting me on the right track.

Jurgen