Re: [git:v4l-dvb/for_v2.6.40] [media] cx18: mmap() support for raw YUV video capture

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Em 03-05-2011 06:03, Simon Farnsworth escreveu:
> On Monday 2 May 2011, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> wrote:
>> Em 02-05-2011 16:11, Hans Verkuil escreveu:
>>> NACK.
>>>
>>> For two reasons: first of all it is not signed off by Andy Walls, the
>>> cx18 maintainer. I know he has had other things on his plate recently
>>> which is probably why he hasn't had the chance to review this.
>>>
>>> Secondly, while doing a quick scan myself I noticed that this code does a
>>> conversion from UYVY format to YUYV *in the driver*. Format conversion is
>>> not allowed in the kernel, we have libv4lconvert for that. So at the
>>> minimum this conversion code must be removed first.
>>
>> Patch is there at the ML since Apr, 6 and nobody acked/nacked it. If you or
>> andy were against it, why none of you commented it there?
>>
>> Now that the patch were committed, I won't revert it without a very good
>> reason.
>>
>> With respect to the "conversion from UYVY format to YUYV", a simple patch
>> could fix it, instead of removing the entire patchset.
>>
>> Steven/Simon,
>> could you please work on such change?
>>
> I received feedback, which I've been working on, and have converted to a new 
> patch against the baseline tree without this patch applied. I can obviously 
> rebase (thanks, git!) so that it applies on top of this patch. It massively 
> cleans up the code, fixes a bug, and removes the in-kernel format conversion 
> (we use libv4l here anyway, so it's not needed)
> 
> I have one more work item, requested by Andy and Hans, and that's to convert 
> just the YUV capture from videobuf to vb2, so that when Andy's got spare time 
> again, it'll be easier for him to convert the whole driver. I've been delayed 
> on this by other work committments, but I do have this on my schedule.
> 
> How do you want me to proceed?

Please send a rebased version.

Thanks,
Mauro.

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux