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 >>>>>> >>>>> >>>> >>> >> >
guvcview 1.4.2 video_device: /dev/video0 vid_sleep: 0 cap_meth: 1 resolution: 640 x 480 windowsize: 782 x 700 vert pane: 578 spin behavior: 0 mode: yuyv fps: 1/30 Display Fps: 1 bpp: 32 hwaccel: 1 avi_format: 0 sound: 1 sound Device: 0 sound samp rate: 0 sound Channels: 0 Sound delay: 0 nanosec Sound Format: 80 Pan Step: 2 degrees Tilt Step: 2 degrees Video Filter Flags: 0 image inc: 0 profile(default):/home/sbar/default.gpfl starting portaudio... language catalog=> dir:/usr/share/locale type:z ?b¶¨z gtk20 lang:en_US cat:guvcview.mo yuyv: setting format to 1448695129 capture method = 1 video device: /dev/video0 /dev/video0 - device 1 Init. VF0530 Live! Cam Chat IM (location: usb-0000:00:1d.7-2) { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 1/30, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 1/30, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 1/30, 1/15, { discrete: width = 160, height = 120 } Time interval between frame: 1/30, 1/15, { pixelformat = 'RGB3', description = 'RGB3' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 1/30, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 1/30, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 1/30, 1/15, { discrete: width = 160, height = 120 } Time interval between frame: 1/30, 1/15, { pixelformat = 'BGR3', description = 'BGR3' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 1/30, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 1/30, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 1/30, 1/15, { discrete: width = 160, height = 120 } Time interval between frame: 1/30, 1/15, { pixelformat = 'YU12', description = 'YU12' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 1/30, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 1/30, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 1/30, 1/15, { discrete: width = 160, height = 120 } Time interval between frame: 1/30, 1/15, { pixelformat = 'YV12', description = 'YV12' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/15, { discrete: width = 352, height = 288 } Time interval between frame: 1/30, 1/15, { discrete: width = 320, height = 240 } Time interval between frame: 1/30, 1/15, { discrete: width = 176, height = 144 } Time interval between frame: 1/30, 1/15, { discrete: width = 160, height = 120 } Time interval between frame: 1/30, 1/15, vid:041e pid:406b driver:uvcvideo checking format: 1448695129 fps is set to 1/30 drawing controls control[0]: 0x980900 Brightness, -10:10:1, default 0 control[0]: 0x980901 Contrast, 0:20:1, default 10 control[0]: 0x980902 Saturation, 0:10:1, default 5 control[0]: 0x980903 Hue, -5000:5000:1000, default 0 control[0]: 0x98090c White Balance Temperature, Auto, 0:1:1, default 1 control[0]: 0x980910 Gamma, 100:240:20, default 180 control[0]: 0x980918 Power Line Frequency, 0:2:1, default 2 control[0]: 0x98091a White Balance Temperature, 2800:6500:740, default 4280 control[0]: 0x98091b Sharpness, 0:10:1, default 2 control[0]: 0x98091c Backlight Compensation, 0:4:1, default 1 control[0]: 0x9a0901 Exposure, Auto, 0:3:1, default 3 control[0]: 0x9a0902 Exposure (Absolute), 10:1410:1, default 310 resolutions of format(1) = 5 frame rates of 1º resolution=2 fps is set to 1/30 Def. Res: 0 numb. fps:2 --------------------------------------- device #0 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 (hw:0,0) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #1 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - MIC ADC (hw:0,1) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #2 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - MIC2 ADC (hw:0,2) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #3 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - ADC2 (hw:0,3) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #4 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - IEC958 (hw:0,4) Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.011 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #5 Name = VF0530 Live! Cam Chat IM: USB Audio (hw:1,0) Host API = ALSA Max inputs = 1, Max outputs = 0 Def. low input latency = 0.012 Def. low output latency = -1.000 Def. high input latency = 0.046 Def. high output latency = -1.000 Def. sample rate = 44100.00 --------------------------------------- device #6 Name = iec958 Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.011 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #7 Name = spdif Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.011 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #8 [ Default Input, Default Output ] Name = default Host API = ALSA Max inputs = 128, Max outputs = 128 Def. low input latency = 0.043 Def. low output latency = 0.043 Def. high input latency = 0.046 Def. high output latency = 0.046 Def. sample rate = 44100.00 --------------------------------------- device #9 Name = dmix Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.043 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 ---------------------------------------------- SampleRate:0 Channels:0 Video driver: x11 A window manager is available (Desktop resolution = 1280x960) Checking video mode 640x...@32bpp : OK Shuting Down Thread Thread terminated... cleaning Thread allocations: 100% SDL Quit Video Thread finished write /home/sbar/.guvcviewrc OK free audio mutex closed v4l2 strutures free controls free controls - vidState cleaned allocations - 100% Closing portaudio ...OK Closing GTK... OK
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