Quoting Marth64 (2024-01-16 00:51:14)
> Hello, I wanted to call out 2 issues that I think are bugs from this, and
> that I was able to trace to the exact commit.
>
> *#1: Concat filter issues: *A user from IRC support reported it, and I was
> able to successfully reproduce it.
> When using concat
Hello, I wanted to call out 2 issues that I think are bugs from this, and
that I was able to trace to the exact commit.
*#1: Concat filter issues: *A user from IRC support reported it, and I was
able to successfully reproduce it.
When using concat filter on multiple inputs alongside -ss (same
both should now be fixed in my tree
--
Anton Khirnov
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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
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
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
Quoting Cosmin Stejerean via ffmpeg-devel (2023-12-06 21:29:11)
> There is still a penalty as you could do asetnsamples without multi-threading
> and get even higher performance,
> but given the general benefits of multi-threading and the fact that it's
> possible to increase the performance of
On Wed, Dec 6, 2023 at 3:14 PM Nicolas George wrote:
> Lie.
>
A summary of your proposal or a link to your suggestion would be
appreciated.
Without reference we're all shouting in the void.
> I guess now that your side holds most of the power the mask is off.
>
> This mail you just sent
Also, the numbers I'm seeing on my 16-core Ryzen 9 5950X are quite
different:
* 5.0, your command:speed=3.25e+03x
* 5.0, filter_complex: speed=5.29e+03x
* 5.1, your command:speed=3.2e+03x
* 5.1, filter_complex: speed=5.2e+03x
* 6.0, your command:speed=2.44e+03x
* 6.0, filter_complex:
> On Dec 6, 2023, at 11:36 AM, Anton Khirnov wrote:
>
>> In some cases the performance penalty because of threading is quite
>> significant:
>>
>> Example command line:
>>
>> ffmpeg -f lavfi -i sine -af volume=6dB -f null none
>>
>> After latest threading changes: speed=810x
>> Before
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
Anton Khirnov (12023-12-06):
> Would guess this is caused by overhead from tons of tiny frames. So
> 1) generate larger frames
> 2) use -filter_complex with no inputs instead of -f lavfi to eliminate
>all overhead from demuxing, decoding, and demux-decode/decode-filter
>inter-thread
Anton Khirnov (12023-12-06):
> As usual when someone disagrees with him, Nicolas converged to being
> utterly unreasonable and deaf to all arguments. I see no point in
Ad-hominem attack.
> discussing this with him any further and intend to push the set
> tomorrow, unless somebody else has
On Wed, Dec 6, 2023 at 5:30 AM 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.
>
LGTM
--
Vittorio
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Quoting Marton Balint (2023-12-06 20:29:01)
>
>
> On Wed, 6 Dec 2023, 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.
>
> In some cases the performance penalty because of threading is quite
On Wed, 6 Dec 2023, 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.
In some cases the performance penalty because of threading is quite
significant:
Example command line:
ffmpeg -f lavfi -i sine
Hi all,
As usual when someone disagrees with him, Nicolas converged to being
utterly unreasonable and deaf to all arguments. I see no point in
discussing this with him any further and intend to push the set
tomorrow, unless somebody else has substantial objections.
I've considered asking for a
Anton Khirnov (12023-12-06):
> After weeks of discussion, you have NOT suggested any workable
> alternative.
Indeed. And the reason for that is that all the time I have available on
this is spent debunking your libel about the current logic.
> Producing unpredictable output generally means
Quoting Nicolas George (2023-12-06 13:10:41)
> I have offered Anton my help.
After weeks of discussion, you have NOT suggested any workable
alternative. The single suggestion I did see from you
* was already implemented
* did not address the issues at all
> But first he needs to acknowledge
Zhao Zhili (12023-12-06):
> For such large patch set, it’s almost impossible to not break any corner case.
Yes, that is what review is for.
> Considering the improvements the patch set brings into fftools, those corner
> cases can be fixed after merge.
That means never. No.
> And any body can
> On Dec 6, 2023, at 18:55, Nicolas George wrote:
>
> Anton Khirnov (12023-12-06):
>> this should hopefully be the last version of this set. If nobody has new
>> comments, I will push it in a few days.
>
> Absolutely not: you cannot push until consensus is reached, and
> consensus is not
Anton Khirnov (12023-12-06):
> this should hopefully be the last version of this set. If nobody has new
> comments, I will push it in a few days.
Absolutely not: you cannot push until consensus is reached, and
consensus is not reached since you are still breaking the sparseness of
sub2video
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