Re: [FFmpeg-devel] avformat/mxfenc: fix stored/sampled/displayed width/height

[Marton Balint <cus@passwd.hu>]

On Tue, 14 Mar 2023, Jerome Martinez wrote:

> On 10/03/2023 22:10, Marton Balint wrote:
>> 
>>
>>  On Mon, 6 Mar 2023, Nicolas Gaullier wrote:
>>
>>  [...]
>>>
>>>  Some weeks later now and no replies, maybe time to go on ?
>>>  I think the "case AV_CODEC_ID_DVVIDEO:" can be removed as discussed, fate
>>>  updated and that should be ok for everybody.
>>>  (Ideally, it could have been an opportunity to document why we have this
>>>  "DV exception", but I understand it is not very comfortable to write as
>>>  there is no meaningful reason, so forget about this, this won't hold up
>>>  the patch anyway)
>>>  For information, there was a long thread recently on ffmpeg-user about a
>>>  "bug" in dnxhd stored_height (will be fixed with your patch):
>>>  https://ffmpeg.org/pipermail/ffmpeg-user/2023-February/056111.html
>>
>>  Will apply the patch in a couple of days unless somebody objects. If you
>>  want to change DV height (seems reasonable), please send a follow up patch
>>  with fate updates after that.
>
>
> Apologizes for the huge delay.
> Attached is an updated patch.
>
> I changed the DV part (also removed from the 16x16 macroblock thing)
> I added some comments about specs (summary: DNxHD is explicit, others are not 
> but implementation I know don't do the 16x16 macroblock thing).
> The FATE tests for DV are not impacted because they are SD and SD 
> width/height are multiple of 16 so I added a DV100 test.

Thanks, will apply with some extended commit description.

Regards,
Marton
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