[FFmpeg-devel] Moving if(constant expression) to preprocessor?
matthieu castet
castet.matthieu
Sat Sep 18 18:48:35 CEST 2010
Axel Holzinger <aholzinger <at> gmx.de> writes:
>
> Hi M?ns and all,
>
>
> You could leave this up to me or others.
>
> It is possible to write a macro that does the trick and in the end the
> above line would for example look like this:
>
> AV_COND_IF(CONFIG_##X##_HWACCEL, (av_register_hwaccel(&x##_hwaccel)),)
> ; }
>
> Wouldn't that still be fine? And it could be done with a few lines of
> generic macro defintions that could go to some generic header.
>
> What would be the disadvantage?
>
An other solution is to provide stub function of disabled code :
static inline av_register_hwaccel() {}
But I am not sure it is worth it.
Matthieu
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