[FFmpeg-devel] [PATCH v2 1/2] avcodec/v4l2_context: don't reinit output queue when dynamic resolution change

Andriy Gelman andriy.gelman at gmail.com
Sat Jul 24 22:21:10 EEST 2021


Hi,

On Thu, 22. Jul 11:01, Ming Qian wrote:
> in the v4l2 stateful video document, we can see the following
> description:
>     During the resolution change sequence, the OUTPUT queue must remain
>     streaming. Calling VIDIOC_STREAMOFF() on the OUTPUT queue would
>     abort the sequence and initiate a seek.
> 
>     In principle, the OUTPUT queue operates separately from the CAPTURE
>     queue and this remains true for the duration of the entire
>     resolution change sequence as well.
> 
> so don't reinit the output queue when handling the resolution change
> event

Could you share the sample you used for testing, please?
And what boards did you test on?

Thanks
-- 
Andriy


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