Re: HE-AAC playback on iPhoneOS, does it use the HW decoder
Re: HE-AAC playback on iPhoneOS, does it use the HW decoder
- Subject: Re: HE-AAC playback on iPhoneOS, does it use the HW decoder
- From: Nathan Peel <email@hidden>
- Date: Tue, 19 May 2009 10:15:02 -0600
Perhaps the decoder doesn't like the encoder I've chosen? afconvert
doesn't appear to support HE-AAC yet.
On May 19, 2009, at 9:27 AM, Nathan Peel wrote:
Thanks Bill. Our app is taxing the device, I don't want spare cycles
spent on decoding audio.
Can I use AudioQueue to decode HE-AAC? Tried playing a file back
with the code in the SpeakHere demo and it played at low fidelity.
On May 18, 2009, at 5:47 PM, William Stewart wrote:
On May 18, 2009, at 3:19 PM, Nathan Peel wrote:
I just learned that as of 2.2 iPhone OS supports HE-ACC via this
tech note.
http://developer.apple.com/iphone/prerelease/library/technotes/tn2008/tn2236.html
When the device is decoding an HE-ACC file is it using the
hardware decoder?
Yes - why?
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