Strange oddity with dvplay and --dump-frames

Good Day everyone,

This may be the wrong place to ask - so I'll keep it short, and please 
don't bother if it bores you..!

I'm using playdv to convert dv  video into pnm streams using 
--dump-frames so I can do my own processing in my own C program, then I 
feed it back into encodedv to convert it back to a dv stream....

(It works fine on my old laptop, but my new 64 bit kubuntu box has this 
problem.)

--dump-frames puts out correct sized and valid pnm images, but the 
picture is scrambled.
Specifically, the resulting image is scrambled and appears like a triple 
image reflection sort of, and fills the top 2/3 of the image -- and the 
bottom 1/3 is black.

I've been looking through the code (playdv.c) and it seems that the 
image data is no longer being stored in dv_player->display->pixels[0] as 
RGBRGBRGB..

 From what I can tell, the image data is being stored in a scheme where 
every 4 bytes stores 2 pixels worth of data (or something like that), 
but I don't think it's RGB style..
The fourth byte seems to set the red-green hue -- but I'm all confused. 
(I've been tinkering with the code, poking different values into 
different byte offsets in dv_player->display->pixels[0]+offset to try 
and figure out what  exactly is going on.)

To clarify, playdv displays and plays videos perfectly -- it just 
doesn't save good data with doing --dump-frames -

The version that's not working is: v1.0.0, running on x86_64 
2.6.24-24-generic SMP (Slackware)

The version that DOES work just fine is: v1, running on 2.6.21.5-smp 
i686.0.0 (Kubuntu)

Anyway, I'd be most grateful for any clues!

(Or a suggestion for an alternate way to get a live stream from my 
miniDV camera's firewire port into my own program to do my own effects 
(so far it does binning, motion detect, stacking, and slow-motion).

Thanks very much,

-Jesse




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