[FFmpeg-devel] [PATCH 2/3] configure: Set large address aware.

Matt Oliver protogonoi at gmail.com
Sun Sep 28 11:12:46 CEST 2014

On 28 September 2014 18:49, Reimar Döffinger <Reimar.Doeffinger at gmx.de>

> On Sun, Sep 21, 2014 at 10:17:15AM +0100, Reimar Döffinger wrote:
> > Allows 32 bit version of FFmpeg to use up to 4 GB of RAM
> > instead of just 2 GB on Windows if the OS can provide it.
> Any other comments?
> Note the documentation for that option:
> > The /LARGEADDRESSAWARE option tells the linker that the application can
> > handle addresses larger than 2 gigabytes.
> This flag is _only_ used to signal that an application can deal
> with addresses that use more than 31 address bits.
> I.e. it is only for those horribly misdesigned programs that
> thought "oh, let's store some extra stuff in that unused high bit
> of the address". Which FFmpeg definitely does not.
> There is no indication that ptrdiff_t limitations or similar have
> any relevance to whether one should set this or not.

There shouldnt be any problem with this at all as it basically just sets a
flag in the output dll/exe (which can be manually set after compilation

 LARGEADDRESSAWARE should probably be added for msvc/icl as well.

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