Guvcview (GTK + UVC Viewer) is a computer program for working with webcams , performing the functions of photographing and video filming. Guvcview works with webcams using the UVC video transmission protocol and supported by the UVC driver for the Linux operating system [6] or the Video4Linux software (V4L2) [3] .
| Guvcview | |
|---|---|
 | |
 Version 1.4.4 | |
| Type of | Work with webcams |
| Author | Paulo Assis [1] |
| Written on | C [2] |
| Interface | GTK + [3] |
| operating system | Linux and others. Unix-like [2] |
| Interface languages | Russian and others. |
| First edition | January 2008 [4] |
| Latest version | 2.0.6 (Oct 6, 2018 [5] ) |
| License | GNU GPL |
| Site | |
Content
Functions
General Settings
- Optical resolution , measured in pixels .
- Focal length (if supported by the camera).
- LED backlight (if available).
- Color model - MJPG, RGB / BGR, YUV (YU12 and YV12).
- Brightness, contrast , saturation, color temperature of white balance (automatic or manual setting 0-10000 K ), gain, consideration of the frequency of light emission (50, 60 Hz , depending on the power grid , or without), sharpness, compensation of bright areas, exposure (automatic, manual, with a priority shutter speed or aperture ), shutter speed (in milli seconds ), frame rate mode.
- Automatic numbering of names of saved files.
- Choosing a place to save.
- Image effects: reflection horizontally and vertically, negative , in black and white, mosaic, "particles".
- Saving the settings in the created profiles, as well as restoring the initial settings used by default .
Photographing
Adjustable parameters:
- Image formats - JPEG , BMP , PNG , Raw .
Video Recording
Adjustable parameters:
- Video codec - MJPEG , YUY2 (uncompressed YUV ), RGB (uncompressed BMP ), MPEG-1 , FLV 1 ( H.263 ), WMV ( VC-1 ), MPEG-2 , MP4 V3, MPEG-4 ASP, MPEG-4 AVC ( H.264 ).
- Video format ( media container ) - AVI or MKV .
- The frame rate per second - 5, 10, 15, 20, 25, 30.
- Display in the program interface of the current frame rate value (in the title bar of the window).
Sound settings
Sound settings are available when there is a microphone connected to the computer.
- Select a sound input device (microphone).
- Audio API selection - PulseAudio or PortAudio .
- The sampling rate is 8000β96000 Hz .
- Bit rate value ( kbps )
- The number of channels is 1 ( mono ) or 2 ( stereo , with a stereo microphone).
- Audio format - PCM (uncompressed sound with a sampling depth of 16 bits ), MPEG-2 , MP3 , AC3 , AAC Low.
- Effects - echo , reverb , fuzz , "wrap", "duckling".
- Mute the sound.
- Display in the program interface of the sound volume level ( sound level meter ) during video recording.
Used software components
- GTK + 2 is up to guvcview version 1.5.0, and GTK + 3 since guvcview 1.5.1.
- JACK Audio Connection Kit .
- UVC driver for Linux , which is currently included in the Linux kernel [6] .
- Video4Linux (V4L2)
- Libavcodec (also included with FFmpeg ).
- Audio API - PulseAudio or PortAudio .
- Oil Runtime Compiler (ORC).
See also
- Cheese
Notes
- β See the AUTHORS file in the guvcview source code archive .
- β 1 2 The guvcview project at SourceForge.net .
- β 1 2 official site puvcview
- β See the ChahgeLog file in the guvcview source archive .
- β Guvcview files
- β 1 2 Home page of the UVC driver for Linux, and the webcam models it supports.
Links
- Official site
- The guvcview project on sourceforge.net
- Overview guvcview // zenway.ru