Re: [PATCH v5 0/8] Add MT8173 Video Encoder Driver and VPU Driver

From: Hans Verkuil
Date: Fri Feb 26 2016 - 08:10:05 EST


On 02/26/2016 12:58 PM, Stanimir Varbanov wrote:
> Hi Hans,
>
> <snip>
>
>> Nice!
>>
>> Can you try 'v4l2-compliance -s'? Note that this may not work since I know
>> that v4l2-compliance doesn't work all that well with codecs, but I am
>> curious what the output is when you try streaming.
>
> Sorry for the off topic question.
>
> Does every new v4l2 encoder/decoder driver must use v4l2 mem2mem device
> framework, with other words is that mandatory?
>

No, that's not mandatory. In most cases it will simplify your code, but
sometimes it only makes it harder and then you are better off doing it
yourself.

Regards,

Hans