I am getting the same results -- my playback is faster and smoother with
X11-Xv than with OpenGL.  Now mine is probably not a hig-end graphics card
(and a little dated now) but it supports OpenGL 2.0.  A tad disappointing
:-(

marks

On 5/1/07, Bruce Bertrand <[EMAIL PROTECTED]> wrote:

I just got a new video card and tried X11-OpenGL rendering.

Its fine without effects (around 30fps), but when I add an OpenGL effect
its much slower (around 15 fps ... sound still runs at normal speed
though).

I'm using Geforce 7600 with the latest Nvidia binary drivers.  Other
OpenGL apps like Beryl and Blender run very well.

When I try to enable an OpenGL plugin I get a lot of the following
output in a terminal:

VFrame::dump_stacks
        next_effects:
                VirtualVNode::render_as_module
        prev_effects:
ColorBalanceMain::handle_opengl 0 0


Anyone know what's up?
~B


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Mark Stavar

Swan Dancer Productions

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