I already use YUV4MPEG and pipe to ffmpeg to convert to DVD format. Anyway, I tested to render without pipe and the problem doesn't dissapear.

Can I attach a video example in this maling list?

El 15/11/11 18:47, Michal Fapso escribió:
Maybe the problem is in your rendering settings. Try to render to
"YUV4MPEG stream" and pipe the output to ffmpeg where you can encode
it with any codec. Rendering directly to quicktime + MPEG4 caused
artifacts in my case. Your pictures' resolution seems to be ok.

On 15 November 2011 18:37, Francisco López<[email protected]>  wrote:
Hi Michal. Thanks for your quick reponse and for the OpenGL trick.

I use camera's Z value and my pictures are about 1056x792 for 720x576 frame
size. The shaky effect appears on rendered video.

Can the images' resolution be the problem? I think most of my pictures are
72x72ppp.

El 15/11/11 18:23, Michal Fapso escribió:
Hi Francisco,

I use still image zooming in Cinelerra without such problem. How
exactly do you zoom? You can apply zoom effect or set Z for projector
or camera.

I zoom by changing camera's Z value. My pictures are 5184x3456 for
1920x1080 frame size or 640x360 for 640x360 frame size. You should
never use pictures smaller than your project's frame size, because
Cinelerra use to crash then.

That shaky effect appears on the rendered video or during playback in
Cinelerra? For faster camera movements in playback try to switch to
OpenGL video output in Preferences. But then pictures are limited to
~4016 pixels.

Michal

On 15 November 2011 18:12, Francisco López<[email protected]>    wrote:
Hi all.

I have a problem when I zoom in or out still images in Cienelerra. I get
an
ugly shaking effect that I don't know how to avoid.

I think that this happens only when the image size is greater than the
frame
size.

Any ideas?

Thanks and I'm sorry for my english.

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