Hi, Were you streaming YUYV or MJPG ? Does it make any difference if you change between the two formats ?
Could you try disabling hardware accelaration: guvcview --hwd_acel=0 and check if the flickering gets any better. Best regards Paulo, 2009/6/24 Saint Germain <[email protected]> > Hello, > > I've just returned my Quickcam Pro 9000 and took a Vision Pro (BCD 0.9) > and I got exactly the same problem (even worse it seems). > > I tried your test, and I only got 23 fps with still a lot of > flickering... > > Same problem with 2 (slightly) different camera and 2 linux kernel > (2.6.26 and 2.6.30) ! > > I really don't know what is wrong here... > > Thanks anyway for your help ! > > On Wed, 24 Jun 2009 09:57:18 +0100, Paulo Assis <[email protected]> > wrote : > > > Hi, > > Could you run the following test with guvcview: > > > > make sure you disable "Exposure, Auto Priority", set exposure to > > manual. Then try setting exposure to 10000 (the lowest exposure > > possible) the image should be very dark, but the frame rate should > > reach the value you set for the camera (up to 30 fps) > > If it doesn't then there is something wrong with the camera. > > > > Best regards, > > Paulo > > > > 2009/6/24 Saint Germain <[email protected]> > > > > > On Sun, 21 Jun 2009 01:00:26 +0200, Saint Germain > > > <[email protected]> wrote : > > > > > > > I've just bought a Logitech Quickcam Pro 9000 (3rd generation, BCD > > > > 0.08) for my Debian Testing (kernel 2.6.26-2-686) and have some > > > > frame dropped issues with it. > > > > > > > > [snip] > > > > > > > > Do you think that the problem is in: > > > > 1) the webcam hardware/firmware > > > > 2) the kernel/uvc version > > > > 3) mplayer/guvcview/... > > > > > > > > > > For information, I've just tried with linux kernel 2.6.30-1 and I > > > have the same problem... > > > > > > I think that I'll return the product and go for a Vision Pro which > > > should work out-of-the-box (I hope). > > > > > > Regards, > > > _______________________________________________ > > > Linux-uvc-devel mailing list > > > [email protected] > > > https://lists.berlios.de/mailman/listinfo/linux-uvc-devel > > > > _______________________________________________ > Linux-uvc-devel mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/linux-uvc-devel >
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