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AudioSessionInitialize returning inscrutable error code
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. The good news is that it seems like the call worked. Nevertheless, can anyone shed light on this error code?
AudioSession.Initialize Method (AudioToolbox) | …
https://docs.microsoft.com/en-us/dotnet/api/audiotoolbox.audiosession.initialize
Use the Initialize (CFRunLoop, String) if you want to specify a different runloop. If there is an error initializing the AudioSession, this will raise an AudioSessionException. C#. // // Initialize the audio session for audio playback // AudioSession.Initialize (); AudioSession.Category = AudioSessionCategory.MediaPlayback;
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
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audio_session_support
Audio Session Services lets you specify the intended audio behavior for your iOS app. For example, you can specify whether you intend for your app’s audio to silence other apps or to mix with their audio. You also use this API to specify your app’s behavior when it is interrupted, such as by a phone call.
iOS background audio stops when screen is locked
https://www.py4u.net/discuss/2160040
AudioSessionInitialize(NULL, kCFRunLoopDefaultMode, &interruptionListener, sgD); AudioSessionAddPropertyListener(kAudioSessionProperty_AudioRouteChange, &routeChangeListener, sgD); // select "Playback" audio session category NSError *setCategoryError = nil; [[AVAudioSession sharedInstance] setCategory: …
System Error Codes (0-499) (WinError.h) - Win32 apps ...
https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes--0-499-
ERROR_BAD_ENVIRONMENT. 10 (0xA) The environment is incorrect. ERROR_BAD_FORMAT. 11 (0xB) An attempt was made to load a program with an incorrect format. ERROR_INVALID_ACCESS. 12 (0xC) The access code is invalid. ERROR_INVALID_DATA. 13 (0xD) The data is invalid. ERROR_OUTOFMEMORY. 14 (0xE) Not enough storage is available …
OpenAL interruption issue on iOS device - GameDev
https://www.gamedev.net/forums/topic/625041-openal-interruption-issue-on-ios-device/
AudioSessionInitialize(NULL, NULL, OpenALInterruptionListener, this); and then try to handle the interruption like that: void OpenALInterruptionListener(void * inClientData, UInt32 inInterruptionState) {OpenALDevice * device = (OpenALDevice *) inClientData; if (inInterruptionState == kAudioSessionBeginInterruption) {alcSuspendContext(_context);
How to programmatically sense the iPhone mute switch?
https://www.py4u.net/discuss/2159149
Code causes crashes for some reason. return NO; # endif // go back to Ambient to detect the switch AVAudioSession * sharedSession = [AVAudioSession sharedInstance]; [sharedSession setCategory: AVAudioSessionCategoryAmbient error: nil]; CFStringRef state; UInt32 propertySize = sizeof (CFStringRef); AudioSessionInitialize(NULL, NULL, NULL, NULL); …
restarting openAL after application interruption on the ...
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 …
Optimization of switching state error of IOS acquisition ...
https://developpaper.com/optimization-of-switching-state-error-of-ios-acquisition-device-mute-key/
CFStringRef state = nil; UInt32 propertySize = sizeof(CFStringRef); AudioSessionInitialize(NULL, NULL, NULL, NULL); OSStatus status = AudioSessionGetProperty(kAudioSessionProperty_AudioRoute, &propertySize, &state); if (status == kAudioSessionNoError){ return (CFStringGetLength(state) == 0); // YES = silent } return NO;
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