On 25/01/2025 06:54, Michael Niedermayer wrote:
> On Tue, Jan 21, 2025 at 03:10:47PM +0000, Lynne wrote:
>> ffmpeg | branch: master | Lynne <dev@lynne.ee> | Sun Jan  5 13:42:47 2025 +0900| [7187eadf8c0f0c640f1d23811c55fad0cba60aa5] | committer: Lynne
>>
>> ffv1dec: use dedicated pix_fmt field and call ff_get_format
>>
>> Adding support for hwaccels means that avctx->pix_fmt will indicate
>> hardware formats.
>>
>>> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7187eadf8c0f0c640f1d23811c55fad0cba60aa5
>> ---
>>
>>   libavcodec/ffv1.h    |   1 +
>>   libavcodec/ffv1dec.c | 140 ++++++++++++++++++++++++++++-----------------------
>>   2 files changed, 78 insertions(+), 63 deletions(-)
> 
> breaks:
> ./ffmpeg -y  -i mm-short.mpg -an -vcodec ffv1 -slices 4 -t 1 -coder 1 -level 3 -slicecrc 0 -context 0 -pix_fmt ya8 -bitexact out.nut
> ./ffplay out.nut
> 
> (and others)
> slices seem to decode in the wrong locations and jump randomly around
> 
> thx

Thanks.
Is it this specific patch, or is it the patchset as a whole that did it?