[gstreamer-bugs] [Bug 320820] New: Investigate on the usage of -DRUNTIME_CPUDETECT

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-ffmpeg | Ver: 0.8.x

           Summary: Investigate on the usage of -DRUNTIME_CPUDETECT
           Product: GStreamer
           Version: 0.8.x
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: lool+gnome at via.ecp.fr
         QAContact: gstreamer-bugs at lists.sourceforge.net
                CC: all-bugs at bugzilla.gnome.org


Hi,

I was pointed at the RUNTIME_CPUDETECT build flag for ffmpeg/gst-ffmpeg.  This
flag seems to postpone the choice of per-CPU optimized functions until runtime.

This would especially help to run binaries built on Altivec capable machines on
non-Altivec machines, eg. G3 CPUs.

This flag should be promoted to a configure flag in gst-ffmpeg, and should be
set by default -- if it holds its promises.

(This is Debian bug http://bugs.debian.org/337804.)

Cheers,

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