[Spice-devel] [PATCH v2 1/1] video_video: Add the Virtio Video V4L2 driver

Hans Verkuil hverkuil at xs4all.nl
Thu Mar 12 10:18:26 UTC 2020


On 3/12/20 11:15 AM, Dmitry Sepp wrote:
> Hi Hans,
> 
> Thank you for your great detailed review!
> 
> I won't provide inline answers as your comments totally make sense. There is 
> only one thing I want to mention:
> 
>>> +	struct video_plane_format plane_format[VIRTIO_VIDEO_MAX_PLANES];
>>
>> Why is this virtio specific? Any reason for not using VIDEO_MAX_PLANES?
> 
> I'd say this is because VIDEO_MAX_PLANES does not exist outside of the Linux 
> OS, so for whatever other system we need a virtio specific definition.

OK, good reason :-)

It's probably a good thing to add a comment where VIRTIO_VIDEO_MAX_PLANES is
defined that explains this.

Regards,

	Hans


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