[FFmpeg-devel] [PATCH v9 4/4] avcodec/h264: create user data unregistered SEI side data for H.264

[lance.lmwang at gmail.com]

On Wed, Mar 18, 2020 at 11:12:03AM -0300, James Almer wrote:
> On 3/18/2020 10:29 AM, Anton Khirnov wrote:
> > Quoting James Almer (2020-03-17 17:36:01)
> >> On 3/17/2020 1:05 PM, Kieran Kunhya wrote:
> >>> On Tue, 17 Mar 2020 at 11:25, <lance.lmwang at gmail.com> wrote:
> >>>
> >>>> From: Limin Wang <lance.lmwang at gmail.com>
> >>>>
> >>>> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> >>>>
> >>>
> >>> I've seen whole planes (e.g Alpha) taking up 10s or 100s of KB put in SEI,
> >>> do we really want to export this all as side data?
> >>
> >> Frame side data is reference counted, so it shouldn't be an issue.
> > 
> > Since this is unlikely to be useful generically - you have to know
> > exactly what's in there - perhaps we should export it only if the caller
> > requests it through some AV_CODEC_EXPORT_DATA flag.
> 
> Yes, assuming this is approved in general, that's should definitely be done.

If nobody have object to push the patchset, I'll rebasing the patchset 
for update.

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-- 
Thanks,
Limin Wang