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I had GUVCVIEW working once before. it suddenly quit working. This is the error I receive........

bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
video device: /dev/video0 
/dev/video0 - device 1
Init. Intergrated Webcam (location: usb-0000:00:1a.7-2)
{ pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
{ discrete: width = 640, height = 480 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 352, height = 288 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 320, height = 240 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 176, height = 144 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 160, height = 120 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 1024, height = 768 }
    Time interval between frame: 1/9, 1/5, 
{ discrete: width = 1280, height = 1024 }
    Time interval between frame: 1/9, 1/5, 
checking format: 1196444237
Format unavailable: 1196444237.
Init v4L2 failed !! 
Init video returned -2
trying minimum setup ...
video device: /dev/video0 
/dev/video0 - device 1
Init. Intergrated Webcam (location: usb-0000:00:1a.7-2)
{ pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
{ discrete: width = 640, height = 480 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 352, height = 288 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 320, height = 240 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 176, height = 144 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 160, height = 120 }
    Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 
{ discrete: width = 1024, height = 768 }
    Time interval between frame: 1/9, 1/5, 
{ discrete: width = 1280, height = 1024 }
    Time interval between frame: 1/9, 1/5, 
checking format: 1448695129
Requested Format unavailable: get width 640 height 480 
vid:0c45 
pid:6410 
driver:uvcvideo

(guvcview:4079): Gtk-CRITICAL **: gtk_hscale_new_with_range: assertion `min < max' failed

(guvcview:4079): Gtk-CRITICAL **: gtk_scale_set_draw_value: assertion `GTK_IS_SCALE (scale)' failed
Segmentation fault

I suppose the problem lies in the fact, that I cannot locate a configuration file to edit. Any help in where this file may lie? I have tried searching for any/everything related to guvcview, and have had zero success.

Thank you for taking the time to read this, and hopefully providing a solution..

2 Answers 2

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The documentation is wrong, or at least out of date. For the version of guvcview currently in the ubuntu repositories (1.7.1), the configuration files are written to:

~/.config/guvcview/videoN

where videoN corresponds to the device (/dev/video0, /dev/video1, ...)

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  • Copying the old ~/.guvcviewrc file to the new ~/.config/guvcview/videoN location indeed fixed the error message in the question for me.
    – tanius
    Oct 22, 2015 at 18:28
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Quote from Official Documentation:

Guvcview stores all options into a configuration file named .guvcviewrc, this file is stored in the user home directory. The file is opened at start and it is rewritten at exit. By removing the file the default values will be loaded, and a new file will be written at exit.

You can specify config file using -g option

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