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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