Ok, the status is the follwing with my 0ac8:0321 Z-Star Microelectronics Corp-Webcam.
i've installed libv4l 0.5.3.
Ekiga: The Webcam works with the LD_PRELOAD-trick. But only 320x240 instead of 640x480 resolution is possible.
Camorama: even works with the trick, but also 320x240 only and wrong colors.
Cheese: dont't work, even with LD_PRELOAD
So the conclusion is, that at the moment libv4l is far from good.
Ok, the status is the follwing with my 0ac8:0321 Z-Star Microelectronics Corp-Webcam.
i've installed libv4l 0.5.3.
Ekiga: The Webcam works with the LD_PRELOAD-trick. But only 320x240 instead of 640x480 resolution is possible.
Camorama: even works with the trick, but also 320x240 only and wrong colors.
Cheese: dont't work, even with LD_PRELOAD
So the conclusion is, that at the moment libv4l is far from good.