Re: Will AVAudioConverter use the hardware decoder?
Re: Will AVAudioConverter use the hardware decoder?
- Subject: Re: Will AVAudioConverter use the hardware decoder?
- From: Tamás Zahola <email@hidden>
- Date: Wed, 02 Jan 2019 19:24:43 +0100
Wow, thanks Eric, I wasn’t aware of this!
So, this means that in terms of battery consumption, feeding AAC/MP3/etc.
packets to an AVAudioConverter (then an AVAudioPlayerNode) is as efficient as
it gets?
Best regards,
Tamás Zahola
> On 2019. Jan 2., at 19:08, Eric Allamanche <email@hidden> wrote:
>
> 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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