Hi Tony
On Sun, Sep 5, 2010 at 9:57 PM, Tony Hardie-Bick
<[email protected]> wrote:
> Hi Einar,
>
>> Try x11-xv or x11 as video output to rule out OpenGL problems.
>
> Yeah - I already tried this, including restarting cinelerra with these
> options changed. I also tried disabling Compiz.
>
>> There is too few information ro diagnose your problem. Try to start
>> cinelerra from terminal - you may see there messages
>> helping to solve problem.
>
> Maybe this is significant:
>
> -- from terminal output --
>
> mpeg3_read_prev_packet 100 result=0 title=0 [....many lines like this..]
> mpeg3_read_prev_packet 100 result=0 title=0 tell=25030eb6
These are debug outputs - no harm
> program_byte=25030eb6
> Playback3D::print_error:
> uniform sampler2D tex;
> uniform float h_offset;
> uniform float s_offset;
> uniform float v_offset;
> void main000()
> {
> vec4 pixel = texture2D(tex, gl_TexCoord[0].st);
> {
> float r, g, b;
> float h, s, v;
> float min, max, delta;
> float f, p, q, t;
> r = pixel.r;
> g = pixel.g;
> b = pixel.b;
> min = ((r < g) ? r : g) < b ? ((r < g) ? r : g) : b;
> max = ((r > g) ? r : g) > b ? ((r > g) ? r : g) : b;
> v = max;
> delta = max - min;
> if(max != 0.0 && delta != 0.0)
> {
> s = delta / max;
> if(r == max)
> h = (g - b) / delta;
> else
> if(g == max)
> h = 2.0 + (b - r) / delta;
> else
> h = 4.0 + (r - g) / delta;
>
> h *= 60.0;
> if(h < 0.0)
> h += 360.0;
>
> -- then continues with more source code, ending with --
>
> pixel.r = r;
> pixel.g = g;
> pixel.b = b;
> }
> gl_FragColor = pixel;
> }
>
> void main()
> {
> main000();
> }
>
> Fragment info
> -------------
> 0(51) : warning C7050: "b" might be used before being initialized
> 0(51) : warning C7050: "g" might be used before being initialized
> 0(51) : warning C7050: "r" might be used before being initialized
>
> -- end of terminal output --
>
Seems that OpenGL has some problems with code loaded by Cinelerra.
Code dumped is from huesaturation
plugin. I can't help here - my current videocard has not enough
capabilities to test this.
May be it is possible to disable OpenGL warnings.
> Lots of mention of rgb...
>
>> Where did you get your cinelerra? Different sources may have different
>> problems. Did you compile yourself or installed a package? What format
>> is your media?
>
> The version is 2.1.1-git20100325~ppa5~lucid. The binary was installed using
> apt-get. The OS is 32 bit Ubuntu 10.04.
>
> Tony
>
Sorry, can't give more help.
Einar
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