[FFmpeg-devel] [PATCH v3] ffmpeg CLI multithreading

[Michael Niedermayer]

On Thu, Dec 07, 2023 at 11:52:47AM +0100, Anton Khirnov wrote:
> Quoting Michael Niedermayer (2023-12-06 21:21:55)
> > On Wed, Dec 06, 2023 at 11:27:06AM +0100, Anton Khirnov wrote:
> > > Hi,
> > > this should hopefully be the last version of this set. If nobody has new
> > > comments, I will push it in a few days.
> > 
> > I have a case that becomes really non deterministic
> > 
> > for i in `seq 10` ; do ./ffmpeg -v 0 -bitexact -i mszh-zlib/monika_zlib.avi -bitexact  -t 1  -f crc - ; done
> > CRC=0x52e2e323
> > CRC=0x747761ba
> > CRC=0x747761ba
> > CRC=0x52e2e323
> > CRC=0x9d872a4b
> > CRC=0x5f5cacfd
> > CRC=0xda55c458
> > CRC=0x2eccf1c8
> > CRC=0x747761ba
> > CRC=0x1a4775bd
> > 
> > sample from here probably: https://samples.ffmpeg.org/V-codecs/mszh-zlib/
> > 
> > before:
> > 
> > for i in `seq 10` ; do ./ffmpeg -v 0 -bitexact -i mszh-zlib/monika_zlib.avi -bitexact  -t 1  -f crc - ; done
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> > CRC=0x192dc994
> 
> Should now be fixed in my git tree.

Fresh stuck sample:
ffmpeg -i tickets/2531/interlaced_top.wmv -t 10 -bitexact -vcodec ffv1 -level 0 file-2531.avi

https://trac.ffmpeg.org/raw-attachment/ticket/2531/interlaced_top.wmv

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No great genius has ever existed without some touch of madness. -- Aristotle
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