Opened 4 months ago

#6578 new enhancement

ARM NEON detection should use getauxval instead of parsing files in /proc

Reported by: jcowgill Owned by:
Priority: normal Component: undetermined
Version: unspecified Keywords:
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

It was suggested in this message from the Debian BTS that ffmpeg should use the getauxval function to detect the presence of NEON instead of parsing files in /proc. This is theoretically faster and doesn't require /proc to be mounted.

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870676#49

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