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Re: Will AVAudioConverter use the hardware decoder?
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Re: Will AVAudioConverter use the hardware decoder?


  • Subject: Re: Will AVAudioConverter use the hardware decoder?
  • From: Eric Allamanche <email@hidden>
  • Date: Wed, 02 Jan 2019 10:08:47 -0800

Hi Tamás,

the hardware audio decoders are a thing of the past. All remaining facilities
related to hardware audio codecs are deprecated and don’t have any effect. You
should stop using them.

Eric

> On Dec 23, 2018, at 2:11 PM, Tamás Zahola <email@hidden> wrote:
>
> Hi,
>
> I'm writing an iOS app that would be playing AAC/MP3/etc. streams in the
> background for extended periods of time, so I'd like to minimize its battery
> impact as much as possible.
>
> With the AudioConverter C API I could ask for a hardware codec via
> AudioConverterNewSpecific + kAppleHardwareAudioCodecManufacturer, but as of
> lately AVAudioEngine seems to be Apple's choice of audio API, so I would
> prefer to use that instead of the C API...
>
> Is there any information on whether AVAudioConverter would offload audio
> conversion to the hardware decoder or not?
>
> Best regards,
> Tamás Zahola
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