[FFmpeg-devel] [PATCH] fate: Add ffhash as an md5 alternative

Michael Niedermayer michaelni at gmx.at
Sun Jun 9 11:12:08 CEST 2013

On Fri, Jun 07, 2013 at 07:59:58PM -0300, James Almer wrote:
> On 07/06/13 6:19 PM, Reimar Döffinger wrote:
> > On 07.06.2013, at 22:22, James Almer <jamrial at gmail.com> wrote:
> >> On 07/06/13 4:27 PM, Michael Niedermayer wrote:
> >>> On Fri, Jun 07, 2013 at 05:11:47AM -0300, James Almer wrote:
> >>>> libavutil's MD5 implementation is still slower than openssl's, so
> >>>> give the latter priority.
> >>>
> >>> doesnt work
> >>>
> >>> make distclean ; ./configure ; ...
> >>> ffhash isnt build before use
> >>
> >> That's why there's a check to see if it's available, same as the other programs.
> >> This is meant as a last resort in the unlikely case no other system md5 program
> >> is available, but the user compiled ffhash with make alltools or similar.
> > 
> > But wouldn't it make sense to add it to the dependencies in the same way as ffmpeg for example?
> > That would ensure it exists, though in case of cross-compilation it still won't actually work though if run on the host (I actually have no idea where it will be run).
> Now that you mention cross-compilation, it seems that whichever program is run from 
> md5.sh is run using $(TARGET_EXEC) if it was set.
> Is that intended, considering it right now looks for system tools only?

when target exec is something like qemu then using it over a native
tool would be a significant slowdown


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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