On Tue, Jul 05, 2022 at 06:58:28PM +0200, Anton Khirnov wrote:
> Quoting Michael Niedermayer (2022-07-02 14:56:50)
> > On Sat, Jul 02, 2022 at 10:38:26AM +0200, Anton Khirnov wrote:
> > > Quoting Michael Niedermayer (2022-07-01 21:53:00)
> > > > On Thu, Jun 30, 2022 at 10:55:46AM +0200, Anton Khirnov wrote:
> > > > > Variant 2 is less bad, but the whole check seems hacky to me, since it
> > > > > seems to make assumptions about swr defaults
> > > > > 
> > > > > Won't setting this unconditionally have the same effect?
> > > > 
> > > > it has the same effect but its not so nice to the user to recommand 
> > > > extra
> > > > arguments which make no difference
> > > 
> > > Sorry, I don't follow. What is recommending any arguments to the user
> > > here?
> > 
> > i meant this thing here:
> > ./ffmpeg   -i matrixbench_mpeg2.mpg -async 1 -f null -  2>&1 | grep async
> > 
> > -async is forwarded to lavfi similarly to -af 
> > aresample=async=1:min_hard_comp=0.100000:first_pts=0.
> > 
> > vs.
> > 
> > -async is forwarded to lavfi similarly to -af aresample=async=1:first_pts=0.
> 
> I don't see a problem - why would the user care how it is forwarded?

The user may want to perform the equivalent operation inside a filter 
chain/graph
or with a tool different from ffmpeg or even via the API
its really a very minor thing if these defaults are displayed too, it just
feels a bit cleaner to skip them

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you drop bombs on a foreign country and kill a hundred thousand
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