[PATCH v2 2/2] media: imx: vdic: Introduce mem2mem VDI deinterlacer driver

[Philipp Zabel]

On Mi, 2024-09-25 at 22:45 +0200, Marek Vasut wrote:
[...]
> > The driver is not taking ownership of prev_buf, only curr_buf is guaranteed to
> > exist until v4l2_m2m_job_finish() is called. Usespace could streamoff, allocate
> > new buffers, and then an old freed buffer may endup being used.
> 
> So, what should I do about this ? Is there some way to ref the buffer to 
> keep it around ?

Have a look how other deinterlacers with temporal filtering do it.
sunxi/sun8i-di or ti/vpe look like candidates.

> 
> > 
regards
Phlipp