[linux-dvb] Re: Announcement: new saa7146 driver core for the av7110dvb driver

[Michael Hunold <hunold-ml@web.de>]

Hello Johannes,

> I tried it with 2.4.20 and fixed some small oddities in CVS.

Ok, thanks. Yes, I'm a RedHat guy, sorry for that! ;-)

> grabdisplay in xawtv (3.81) does not work, I get:
>   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=unknown): Input/output error
> 
> My xawtv is a binary package from Debian unstable. Must I recompile with
> the new videodev.h for grabdisplay to work?

No. "xawtv" comes with it's own set of videodev.h, videodev2.h (old - 
pre-2.5.x-version) and videodev2.h (2.5.x version) header files and has 
modules for all three apis out there. So it should work.

To say it again: "old" Video4Linux-1 applications should work unchanged 
through the compatibility layer (unless they try to be "clever"). 
Brand-new Video4Linux-2 applications (currently only "xawtv", I posted 
some patches for "alevt" and "nuvrec" on the corresponding mailing 
lists) should work, too.

Only pre-2.5.x Video4linux-2 applications need to be adopted and recompiled.

I'll test 3.81 asap and see if I have the same problems.

> Regards,
> Johannes

Please don't CC me, I read the list regularly. Thanks!

Btw:

Holger, I'd like to state again that some of the bugfixes for the av7110 
from the last week might be lost. Could you please check this?

CU
Michael.



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