[vlc-devel] [PATCH] contrib: lame: disable asserts

Remi Denis-Courmont remi at remlab.net
Mon Dec 9 20:24:24 CET 2019

Le 2019-12-09 18:02, Thomas Guillem a écrit :
> As the lame INSTALL says:
> "For production use, be sure to compile a "Release" target, with the 
> "maximum
> speed" compile option, and #define NDEBUG."
> It will fix an assert on psymodel.c:576 that could happen when feeding 
> data
> after a flush. There is no possible memory corruption but maybe a read 
> of
> invalid data that could trigger an audio glitch. Due to the rarity of 
> this bug
> (happening only via chromecast, with some input files and with a lot of 
> seek
> requests), I think that such fix is enough.
> PS: the contrib WITH_OPTIMIZATION option should be split into OPTIMS 
> and DEBUG.

I rather think that debugging should replace optimisations. If debugging 
is enabled, use -Og instead of -O2/-O3/whatever. Nowadays -O0 is so far 
off from normal optimised builds that it's effectively useless.

(On VLC i386, -O0 does not even build...)

Rémi Denis-Courmont

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