Which application can I use to test webcam?

[ab1jx]

Thanks, good to know it's a v4l device, not USB or something that needs gphoto with a special driver.  I'm going to try webcam (how original).

Hmm, this is an area that could stand documenting more.  There are /dev/video0 -  4, I tried yavta and it said the first couple wouldn't capture.

For /dev/video2 it says:

Code:

Device /dev/video2 opened.
Device `USB Camera: USB Camera' on `usb-fe3c0000.usb-1.2' (driver 'uvcvideo') supports video, capture, without mplanes.
control 0x00980900 `Brightness' min -64 max 64 step 1 default 0 current 0.
control 0x00980901 `Contrast' min 0 max 64 step 1 default 32 current 32.
control 0x00980902 `Saturation' min 0 max 128 step 1 default 64 current 64.
control 0x00980903 `Hue' min -40 max 40 step 1 default 0 current 0.
control 0x0098090c `White Balance Temperature, Auto' min 0 max 1 step 1 default 1 current 1.
control 0x00980910 `Gamma' min 72 max 500 step 1 default 100 current 100.
control 0x00980913 `Gain' min 0 max 100 step 1 default 0 current 0.
control 0x00980918 `Power Line Frequency' min 0 max 2 step 1 default 1 current 1.
 0: Disabled
 1: 50 Hz (*)
 2: 60 Hz
control 0x0098091a `White Balance Temperature' min 2800 max 6500 step 1 default 4600 current 4600.
control 0x0098091b `Sharpness' min 0 max 240 step 1 default 68 current 68.
control 0x0098091c `Backlight Compensation' min 0 max 2 step 1 default 1 current 1.
control 0x009a0901 `Exposure, Auto' min 0 max 3 step 1 default 3 current 3.
 1: Manual Mode
 3: Aperture Priority Mode (*)
control 0x009a0902 `Exposure (Absolute)' min 1 max 5000 step 1 default 156 current 156.
control 0x009a0903 `Exposure, Auto Priority' min 0 max 1 step 1 default 0 current 1.
14 controls found.
Video format: YUYV (56595559) 1280x720 (stride 2560) field none buffer size 1843200
pre { font-family: "Liberation Mono", monospace; font-size: 10pt; background: transparent } p { margin-bottom: 0.1in; line-height: 115%; background: transparent }

Looks interesting but I haven't seen a picture yet.  The next device is similar, the last 2 aren't. I don't know anything about v4l2 really.  Search v4l2 in Synaptic.

Using fswebcam.  The camera is fixed-focus, like many, notice that what's 2 meters behind me is in better focus than me.  With most little cameras you can loosen the lens mount and unscrew it a little to make it focus closer.  If you want to use this for a chat room that might be appropriate.  I fixed the black level in Gimp, cameras that natively do YUV usually don't look very good.