[FFmpeg-user] How to configure x86_64

[David Favor]

Carl Eugen Hoyos wrote:
> Elliott Balsley <elliottbalsley <at> gmail.com> writes:
> 
>> ARCH                      x86 (generic)
> 
> This only says you did not request optimization 
> for a specific cpu (like --cpu=corei7-avx)

The best way to determine exact arch type is to introspect
the executable using the file command.

For example...

David-Favor-iMac> file $(which ffmpeg)
/david-favor-tools/osx-10.9/bin/ffmpeg: Mach-O 64-bit x86_64 executable

Best to use file than to guess by looking at config constants... which
can be very confusing.

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