Re: from xcode5 to xcode6-beta6, sounds are now distorted on iOS7
Re: from xcode5 to xcode6-beta6, sounds are now distorted on iOS7
- Subject: Re: from xcode5 to xcode6-beta6, sounds are now distorted on iOS7
- From: Pascal <email@hidden>
- Date: Wed, 03 Sep 2014 11:22:31 +0200
Hi Kyle,
I have tried to build my project with xcode6-beta7 (fresh from today) using only armv7 and armv7s architectures but no luck. The sounds is still saturated on ios7.
I agree with you about the problem. This looks likely to be something that was previously hidden.
My current solution will be to manually mix my tracks. But I’ll first wait to the ios8 GM.
Best,
Pascal
On 2 sept. 2014, at 19:58, Kyle Sluder <email@hidden> wrote:
> On Mon, Sep 1, 2014, at 12:12 PM, Pascal wrote:
>> What I now don’t get is that why my mixer does not properly “mix”
>> multiple channels. Like it used to with xcode5. Has some settings changed
>> with xcode5?
>
> I can't think of a plausible scenario in which changing the compiler
> version would affect the default parameters of an audio unit on an
> already-deployed OS.
>
> More likely, something about clang's code generation has changed.
> Usually when that has an adverse effect on your code, it means that your
> code had a hidden bug that is now being exposed, though bugs in clang's
> ARM floating-point codegen are certainly not unheard of.
>
> Long shot: are you testing this on 64-bit hardware (ARMv7s)? Does the
> problem go away if you build 32-bit only? If this alleviates the issue,
> perhaps switching to Xcode 6 enabled 64-bit codegen when it was not
> previously enabled.
>
> --Kyle Sluder
>
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