[opus] arm64 support

[Martin Storsjö]

On Wed, 26 Mar 2014, Jonathan Lennox wrote:

>
> On Mar 26, 2014, at 7:55 AM, Peter Robinson <pbrobinson at gmail.com> wrote:
>
>> On Wed, Mar 26, 2014 at 11:45 AM, Vinay <vinay.nair at novanet.net> wrote:
>>> Hi,
>>>
>>> I wanted to build opus along with PJSIP for iOS for the architecture arm64.
>>> I wanted to know if opus supports arm64?
>>
>> The opus code builds fine on ARM64 on Linux at least, I've been
>> building the Fedora aarch64 and I'm the maintainer of opus in Fedora
>> and while I've not tested audio on arm64 as yet at least from the
>> build side of things it's fine.
>
> The ARM assembly won’t work on ARM64, however.
>
> (On iOS it won’t work on armv7 either, if you’re building opus-1.1; you’ll need the tip of git plus the patches that have been circulated on this list.)

Actually, some version of those have been applied now, so with the latest 
git master you shouldn't need any extra patches on top.

// Martin