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Bug 3435 - Failed to start CoreAudio on macOS 10.12
Summary: Failed to start CoreAudio on macOS 10.12
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: audio (show other bugs)
Version: 1.2.15
Hardware: x86_64 Mac OS X (All)
: P2 critical
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-09-29 02:52 UTC by Kyungdahm Yun
Modified: 2017-04-01 04:39 UTC (History)
0 users

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Description Kyungdahm Yun 2016-09-29 02:52:20 UTC 
Some applications have errors when initializing SDL audio system (SDL_openAudio()) on the latest macOS 10.11. The error message looks like "Failed to start CoreAudio: AudioUnitSetProperty (kAudioUnitProperty_StreamFormat)". The property name may be different, i.e. kAudioUnitProperty_SetInputCallback.

I encountered this problem when running NeoPop-SDL, but it seems others also experience the same problem: https://github.com/FrozenSand/UrbanTerror4/issues/295
Comment 1 Ryan C. Gordon 2017-04-01 04:26:49 UTC 
We've replaced the macOS audio code in the latest version of SDL entirely; it uses Apple's newer AudioQueues API instead of AudioUnits now, and will probably fix this bug.

--ryan.
Comment 2 Ryan C. Gordon 2017-04-01 04:39:58 UTC 
Actually, marking this bug fixed, since the problem code is totally gone.  :)

--ryan.