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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1618360-audiosessioninitialize
func AudioSessionInitialize (_ inRunLoop: CFRun Loop!, _ inRunLoopMode: CFString!, _ inInterruptionListener: Audio Session Interruption Listener!, _ inClientData: Unsafe Mutable Raw Pointer!) -> OSStatus. Parameters inRunLoop. The run loop that the interruption listener callback should be run on.
iphone - AudioSessionInitialize returning inscrutable ...
https://stackoverflow.com/questions/1732214/audiosessioninitialize-returning-inscrutable-error-code
OSStatus result = AudioSessionInitialize(NULL,NULL,interruptionListener,NULL); and getting the result 0xbfffde94 (i.e. -1073750040 ) which doesn't match anything in the documentation, which are all readable 4CC's like '!ini' and so forth.
iOS Programming: OpenAL on iOS - Blogger
https://ohno789.blogspot.com/2013/08/openal-on-ios.html
We are using AudioSessionInitialize() to initialise our Audio Session. This function takes 4 parameters: ... With OpenAL on the iPhone, we can generate up to 32 unique sound sources. In order to take advantage of this, we need to manage a collection of sound sources. First, lets define a constant for the maximum number of concurrent sources.
How to programmatically sense the iPhone mute switch?
https://www.py4u.net/discuss/2159149
I can't seem to find in the SDK how to programatically sense the mute button/switch on the iPhone. When my app plays background music, it responds properly to the volume button without me having any code to follow that but, when I use the mute switch, it just keeps playing away. ... AudioSessionInitialize(NULL, NULL, NULL, NULL ...
iOS音频播放中断的处理 - 简书
https://www.jianshu.com/p/00f5b2528f0d
iOS音频播放中断的处理. Maggie的小蜗居. 0.168 2016.12.04 06:17:45 字数 149 阅读 6,361. 当前app在播放音频，此时打开另外一个app，或者系统铃声响起，会我们的app被打断的现象，此时我们需要暂停我们的播放界面，以及其它一系列的动作，. 那我们需要获取到当前打断的 ...
restarting openAL after application interruption on the iPhone
http://benbritten.com/2009/02/02/restarting-openal-after-application-interruption-on-the-iphone/
Hey All, I have been fiddling with openAL on the iPhone for awhile now, and have discovered a few things. If you havent already read it, (and want a basic overview of openAL on the iPhone) have a look at the openAL tutorial I posted a while back.. Today I want to talk a bit about how the Audio Sessions system interacts with the openAL stuff on the iPhone, and how …
Detect Silent mode in iOS5?
https://www.py4u.net/discuss/2142479
I have used this method in the past to detect if the silent switch is enabled: - (BOOL)silenced { # if TARGET_IPHONE_SIMULATOR // return NO in simulator.Code causes crashes for some reason. return NO; # endif CFStringRef state; UInt32 propertySize = sizeof (CFStringRef); AudioSessionInitialize(NULL, NULL, NULL, NULL); …
iOS playing audio in the background · Jonathan Sagorin
https://www.sagorin.org/ios-playing-audio-in-background-audio/
At a very basic level there are three prerequisites your app should satisfy to play audio in the background: Setup ‘Background Modes’ for Audio in your Target Capabilities. For basic playback, initialise your audio session, and set your audio session category to AVAudioSessionCategoryPlayback. If you don’t, you’ll get the default behavior.
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