[FFmpeg-devel] [PATCH] avutil/opt: display a better default value for int/int64 options

Clément Bœsch u at pkh.me
Sun Oct 18 16:14:51 CEST 2015


On Sat, Oct 17, 2015 at 05:24:03PM +0200, Moritz Barsnick wrote:
> On Sat, Oct 17, 2015 at 14:54:31 +0200, Clément Bœsch wrote:
> > % ./ffmpeg -h encoder=aac
> >   -aac_coder         <int>        E...A... Coding algorithm (from -1 to 3) (default twoloop)
> >      faac                         E...A... FAAC-inspired method
> >      anmr                         E...A... ANMR method
> >      twoloop                      E...A... Two loop searching method
> >      fast                         E...A... Constant quantizer
> 
> If it could also map the numbers ("from -1 to 3") to the enumerated
> values, it would make it a lot easier to understand:
> 
> >   -aac_coder         <int>        E...A... Coding algorithm (from -1 to 3) (default twoloop (2))
> >      faac (0)                     E...A... FAAC-inspired method
> >      anmr (1)                     E...A... ANMR method
> >      twoloop (2)                  E...A... Two loop searching method
> >      fast (3)                     E...A... Constant quantizer
> 
> Or something like that - I'm not sure in what format I would actually
> want to see it. No patch provided either, sorry. ;)

I'm not sure this is a good idea; it might encourage people to use these
numbers.

-- 
Clément B.
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