Re: 2.6.0-test7: change in color depth of /dev/video0

[Dick Streefland]

spam@xxxxxxxxxxxxxxxxxxxx (Dick Streefland) wrote:
| Since linux-2.6.0-test7, xawtv complains about a color depth mismatch,
| and gives me a black screen:
| 
| $ xawtv               
| This is xawtv-3.72, running on Linux/i686 (2.6.0-test7)
| WARNING: v4l and x11 disagree about the color depth
| WARNING: fbuf.depth=24, x11 depth=16
| WARNING: Is v4l-conf installed correctly?
| WARNING: overlay mode disabled
| 
| With linux-2.6.0-test6 and earlier kernel, xawtv used to work just fine.
| The output of v4l-conf has not changed:
| 
| $ v4l-conf
| v4l-conf: using X11 display :0.0
| dga: version 2.0
| mode: 1280x1024, depth=16, bpp=16, bpl=2560, base=0xe8041000
| /dev/video0 [v4l2]: ioctl VIDIOC_QUERYCAP: Invalid argument
| /dev/video0 [v4l]: configuration done

Upgrading v4l-conf from version 3.72 to 3.90 (from Debian unstable)
solved the problem for me:

$ v4l-conf
v4l-conf: using X11 display :0.0
dga: version 2.0
mode: 1280x1024, depth=16, bpp=16, bpl=2560, base=0xe8041000
/dev/video0 [v4l2]: configuration done

-- 
Dick Streefland                    ////               De Bilt
dick.streefland@xxxxxxxxx         (@ @)       The Netherlands
------------------------------oOO--(_)--OOo------------------

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