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

[David Conrad]

On Oct 7, 2009, at 10:07 AM, Jason Millard wrote:

> --arch=arm --extra-cflags='-arch armv6' --extra-ldflags='-arch armv6'
> Thanks. that did the trick. With my tests, mp3 decoding is fine, but  
> aac
> decoding is mostly static -- (almost like the volume is amplified)

Reproduced, it's because the aac and dca decoders check for the C  
version of float_to_int16 but use float_to_int16_interleave, which  
doesn't have a VFP version.

Patch attached

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