[FFmpeg-devel] compile for arm cortex A8 with iOS SDK 5

Michael Niedermayer michaelni at gmx.at
Fri Jan 20 19:50:06 CET 2012

On Fri, Jan 20, 2012 at 01:37:32PM +0100, neve_capricorn at gmx.de wrote:
> only a small update...i downgrade to iOS 4.2 with GCC under
> SnowLeopard, and i was able to compile the lib with NEON support.
> i tested then a vp6 movie in 640x360 and with neon support i got 40
> fps, without only 6 fps. tested with an a iphone 4s.
> i can disablet the NEON/ASM but the performance seems really poor.
> what is the differnet between the inline ASM from the GCC to llvm-gcc?
> i know this i not a fix, but i only want to share some infos about
> the performance boost we have with neon and ARM A8.
> iam interested in a fix and i dont know if this is the right place
> but i would donate any help for fix that we can bring to the main
> git.

Which versions of gcc work and which need the code disabled ?

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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