Stopmotion, mplayer and webcam

[Keyper7]

Hi guys,

I need some help with my Ubuntu 7.04 64-bit in a HP Pavilion dv6258se laptop.
I'm using the integrated webcam with Sam Revich's r5u870 driver and svn mplayer.

My problem is with stopmotion. If I try to start it, it immediately segfaults and gives



ioctl: VIDIOCGFBUF(base=(nil);height=0;width=0;depth=0;by tesperline=0): Invalid argument


When I saw that error, I remembered that whenever I type mplayer tv:// I get



v4l2: ioctl set format failed: Invalid argument
v4l2: ioctl set format failed: Invalid argument
v4l2: ioctl set format failed: Invalid argument
tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument


But the camera image shows up perfectly. Are these errors somehow related?

By the way, I don't remember having those errors in mplayer in the 32-bit version.

Can someone help me? :)

Thanks in advance,
-Keyper7