That worked for me, thank you!
On 1/7/11, Paulo Assis <pj.as...@gmail.com> wrote: > OK, > So the camera claims to support 640x...@30 fps, but I guess you need > to manually set exposure for that. > Just set the "Exposure, Auto" control to manual and adjust "Exposure > (Absolute)" to a level where you get the 30 fps ( the image will > probably get very dark, in this case you will need to use a brighter > light source). > > Regards, > Paulo > > 2011/1/6 Alexander Lopatin <sbar.g...@gmail.com>: >> I run guvcview and picked on "show" checkbox near "frame rate" line at >> the "video & files" tab. I always see 7 fps at the window's manager >> panel. I've tried to set the smaller resolutions than 640x480 and I >> got the same result. >> I've attached "guvcview --verbose" output. >> >> On 1/6/11, Paulo Assis <pj.as...@gmail.com> wrote: >>> 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
