Re: What to do with videodev.h

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> Hi Hans,
>
> Em 26-01-2011 06:26, Hans de Goede escreveu:
>> Hi All,
>>
>> With v4l1 support going completely away, the question is
>> raised what to do with linux/videodev.h .
>>
>> Since v4l1 apps can still use the old API through libv4l1,
>> these apps will still need linux/videodev.h to compile.
>>
>> So I see 3 options:
>> 1) Keep videodev.h in the kernel tree even after we've dropped
>> the API support at the kernel level (seems like a bad idea to me)
>
> That's a bad idea.
>
>> 2) Copy videodev.h over to v4l-utils as is (under a different name)
>> and modify the #include in libv4l1.h to include it under the
>> new name
>> 3) Copy the (needed) contents of videodev.h over to libv4l1.h
>
> I would do (3). This provides a clearer signal that V4L1-only apps need
> to use libv4l1, or otherwise will stop working.

I agree with this.

> Of course, the better is to remove V4L1 support from those old apps.
> There are a number of applications that support both API's. So, it
> is time to remove V4L1 support from them.

So who is going to do that work? That's the problem...

But ensuring that they no longer compile is a good start :-)

Although most have a private copy of videodev.h as part of their sources.

Regards,

     Hans

>> I'm not sure where I stand wrt 2 versus 3. Comments anyone?
>
> Cheers,
> Mauro
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-- 
Hans Verkuil - video4linux developer - sponsored by Cisco

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