[FFmpeg-devel] [HOWTO] Building FFmpeg for iPhone

Måns Rullgård mans
Tue Oct 6 12:28:20 CEST 2009


Mahmut Akcay <mahakcay at gmail.com> writes:

>> > I'm attaching both  simple_idct_armv6.o and simple_idct_armv5te.o.
>>
>> No difference at all, so the problem must be of a different nature.
>>
>> Does the ARMv6 build work on an iphone 3GS?
>>
>>
> Nope. It doesn't work on 3GS either. Neon build is the only one that
> works on 3GS.

Hmm, that rules out alignment issues.

Just to be absolutely sure it's the idct that's causing the problem,
could you disable the NEON idct in a 3GS build and check what happens?

-- 
M?ns Rullg?rd
mans at mansr.com



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