You may need to disable autoexposure. Could you please try it with guvcview ?
If you could also post the output of 'guvcview --verbose' it would be great, as it prints out your camera full control list (and supported framesizes and frame rates). Regards, Paulo 2011/1/6 Alexander Lopatin <sbar.g...@gmail.com>: > I've made mistake in the first message, I'm sorry. My camera works > with 640x480 and ~10—15 fps. > > I run "mplayer tv://" and see 640x480 resolution and less than 30 fps. > If I run "mplayer tv:// -fps 10" — I see the same frame speed. > "mplayer tv:// -fps 5" — I really see 5 fps. > > I really don't care in which resolution my camera should work, but I > want to get 30 fps. > > Also, my CPU load is ~25%, the video card works with hardware > acceleration. I've tried different mplayer video drivers (xv, gl2, > etc) and I see the same result. > > On 1/6/11, Paulo Assis <pj.as...@gmail.com> wrote: >> Doesn't your camera supports 30 fps at a lower resolution than 800x600 ? >> >> Regards, >> Paulo >> >> 2011/1/6 Alexander Lopatin <sbar.g...@gmail.com>: >>> I understand that frame can be resized using interpolation by the >>> userspace software. But fps, how is it possible? This software makes >>> in-between frames using smth like morphing? >>> >>> If someone knows how to do that using userspace software in GNU/Linux >>> — please, let me know. >>> >>> >>> Best regards, >>> Alexander. >>> >>> On 1/6/11, Paulo Assis <pj.as...@gmail.com> wrote: >>>> Hi, >>>> Did you notice the "(Software enhanced)" remark ? >>>> This means a lower resolution is used to achieve the 30 fps and then >>>> the windows driver resizes the image frame to 800x600 (through >>>> software). >>>> The linux uvc driver (like any other v4l2 driver) just exposes the >>>> "real" resolutions and frame rates supplied by the hardware. All image >>>> processing must be done by userspace applications. >>>> >>>> Regards, >>>> Paulo >>>> >>>> 2011/1/6 Alexander Lopatin <sbar.g...@gmail.com>: >>>>> I've got "Creative WebCam Live! Chat IM". It is UVC-compatible, but >>>>> it's not listed in the supported devices list ( >>>>> http://www.ideasonboard.org/uvc/#devices ). >>>>> >>>>> One problem: it works with ~10—15 fps and with 800x600 resolution. >>>>> Box/pack says "Frame rate: Up to 30fps @ 800x600 pixels (Software >>>>> enhanced)". >>>>> Does anybody know how to increase fps? >>>>> _______________________________________________ >>>>> Linux-uvc-devel mailing list >>>>> Linux-uvc-devel@lists.berlios.de >>>>> https://lists.berlios.de/mailman/listinfo/linux-uvc-devel >>>>> >>>> >>> >> > _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
