[Tfug] Xawtv (video capture) problem, BT878 chipset, Video4Linux failure...halp?

Jim March 1.jim.march at gmail.com
Tue Jun 16 18:32:31 MST 2009


Wait, I'm getting feed from a security camera, running 320x240.

Second, this is a BT878 device.

Jim

On Tue, Jun 16, 2009 at 6:19 PM, John L. Sackett<jsackett5 at cox.net> wrote:
> It's not HD after 12 June.
> You will have to supply a TV signal by one of the BT848 serial inputs
> (RCA/Sony) versus the TV Tuner. Or buy one of the cheapo HD tuners.
>
> 848's only get analog.
>
>
> J Sackett
>
>
>
> Jim March wrote:
>>
>> Folks,
>>
>> I have a somewhat complex question posted on Ubuntuforums at:
>>
>> http://ubuntuforums.org/showthread.php?p=7469310
>>
>> Basically, XawTV won't work, which is a prelude to getting ZoneMinder
>> working (the latest 1.24.1 compiled from source).
>>
>> It DID work on my initial new Ubuntu Intrepid install, then failed
>> after installing some part of ZM and it's massive set of dependencies.
>>
>> Right now my best guess is it's a permissions thing...I *think* the
>> most crucial error messages are from what happens when Xawtv fails:
>>
>> ---
>> zmuser at zmuser-camerastation:~$ xawtv -device /dev/video0
>> This is xawtv-3.95.dfsg.1, running on Linux/i686 (2.6.27-14-generic)
>> xinerama 0: 1280x1024+0+0
>> WARNING: No DGA direct video mode for this display.
>> WARNING: couldn't find framebuffer base address, try manual
>>         configuration ("v4l-conf -a <addr>")
>> v4l2: WARNING: framebuffer base address mismatch
>> v4l2: me=(nil) v4l=(nil)
>> Warning: Cannot convert string
>> "-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to type FontStruct
>> ioctl: VIDIOC_QBUF(index=0;type=VIDEO_CAPTURE;bytesused=0;flags=0x0
>>
>> [];field=ANY;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=MMAP):
>> Device or resource busy
>> libv4l2: error turning on stream: Device or resource busy
>> ioctl: VIDIOC_STREAMON(int=1): Device or resource busy
>> ioctl: VIDIOC_QBUF(index=0;type=VIDEO_CAPTURE;bytesused=0;flags=0x0
>>
>> [];field=ANY;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=MMAP):
>> Device or resource busy
>> libv4l2: error dequeuing buf: Invalid argument
>> ioctl: VIDIOC_DQBUF(index=0;type=VIDEO_CAPTURE;bytesused=0;flags=0x0
>>
>> [];field=ANY;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=MMAP):
>> Invalid argument
>> v4l2: read: Device or resource busy
>> zmuser at zmuser-camerastation:~$
>> ---
>>
>> I also have the dmesg output for the BT878 chipset startup at the link
>> above, but it looks normal.
>>
>> Anybody with clue one why Xawtv is blowing up on me, PLEASE sing out
>> :(.  I'm dyin' here...
>>
>> Thanks,
>>
>> Jim
>>
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>
>
>
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