Hi.
Cinelerra has more than 40 threads and uses extensive locking.
Try to increase playback buffer (16384) and uncheck playback every fame.
Einar
On Tue, Sep 7, 2010 at 8:11 PM, Oriol Corbella or...@ruccatala.cat wrote:
Yes, I use CinelerraCV 2.1 XT.
2010/9/7 Haldun ALTAN al...@wanadoo.fr
Which version ? there is a version xt for multiple cores
Haldun
Le 07/09/2010 18:42, Oriol Corbella a écrit :
Hi everybody,
I have bought a bran new PC with Intel Core i7, 8GB RAM, and a NVidia
GTX260 with 1,5GB. I am editing in Cinelerra and all goes perfect except the
playback (at least in HD) because is totally choppy... When rendering all
goes OK. When playback, audio have little chops, and video have big chops
when playing transitions or video effects are added. When playback, all the
8 CPU's are on 50% more or less.
I'm using Ubuntu 10.4 Lucid Lynx with linux-rt for Real Time kernel. In
Cinelerra I have 2048 on Playback buffer size of audio, I use ALSA audio
driver. In Video Playback I have Play every frame and X11-XV for video
driver.
What do you recommend me to configure Cinelerra to get no choppy on
playback? And BTW, what configuration de you recommend me to optimize the
entire Ubuntu for the Core i7 power.
Thanks everybody.
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