2014/10/15 下午 10:14:13

iphone Programming Glossary: sint32

How to programatically detect earpiece in iphone?

http://stackoverflow.com/questions/1832041/how-to-programatically-detect-earpiece-in-iphone

routeChangeReasonRef CFDictionaryGetValue routeChangeDictionary CFSTR kAudioSession_AudioRouteChangeKey_Reason SInt32 routeChangeReason CFNumberGetValue routeChangeReasonRef kCFNumberSInt32Type routeChangeReason if routeChangeReason kAudioSessionRouteChangeReason_OldDeviceUnavailable.. CFSTR kAudioSession_AudioRouteChangeKey_Reason SInt32 routeChangeReason CFNumberGetValue routeChangeReasonRef kCFNumberSInt32Type routeChangeReason if routeChangeReason kAudioSessionRouteChangeReason_OldDeviceUnavailable Headset is unplugged.. if..

where to start with audio synthesis on iPhone

http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone

Fsharp Aflat Gsharp Helper function calculates fundamental frequency for a given note float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave 4 float CalculateFrequencyFromMIDINote SInt32 midiNoteNumber File BleepMachine.mm BleepMachine.mm.. Helper function calculates fundamental frequency for a given note float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave 4 float CalculateFrequencyFromMIDINote SInt32 midiNoteNumber File BleepMachine.mm BleepMachine.mm WgHeroPrototype.. a given note float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave 4 float CalculateFrequencyFromMIDINote SInt32 midiNoteNumber File BleepMachine.mm BleepMachine.mm WgHeroPrototype Created by Andy Buchanan on 05 01 2010. Copyright 2010..

Display CFUserNotificationDisplayAlert on iPhone Lock Screen

http://stackoverflow.com/questions/2199642/display-cfusernotificationdisplayalert-on-iphone-lock-screen

NULL keys values sizeof keys sizeof keys kCFTypeDictionaryKeyCallBacks kCFTypeDictionaryValueCallBacks SInt32 err 0 CFUserNotificationRef notif CFUserNotificationCreate NULL 0 kCFUserNotificationPlainAlertLevel err dict CFRelease..

How to programmatically sense the iPhone mute switch?

http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch

NULL inInterruptionListener NULL NSLog @ Error error in AudioSessionInitialize d. error else gAudioSessionInited YES SInt32 ambient kAudioSessionCategory_AmbientSound if AudioSessionSetProperty kAudioSessionProperty_AudioCategory sizeof ambient..

How to record sound produced by mixer unit output (iOS Core Audio & Audio Graph)

http://stackoverflow.com/questions/7118429/how-to-record-sound-produced-by-mixer-unit-output-ios-core-audio-audio-graph

the samples alternate between a normal looking number and a much smaller number try this code in your callback instead SInt32 dataLeftChannel SInt32 ioData mBuffers 0 .mData for UInt32 frameNumber 0 frameNumber inNumberFrames frameNumber NSLog @.. a normal looking number and a much smaller number try this code in your callback instead SInt32 dataLeftChannel SInt32 ioData mBuffers 0 .mData for UInt32 frameNumber 0 frameNumber inNumberFrames frameNumber NSLog @ sample lu ld frameNumber.. Then add this to your callback before you save your data UInt32 dataSizeCanonical ioData mBuffers 0 .mDataByteSize SInt32 dataCanonical SInt32 ioData mBuffers 0 .mData UInt32 dataSize16 dataSizeCanonical AudioConverterConvertBuffer effectState..

Need an API that detects when an iPhone is plugged in

http://stackoverflow.com/questions/7301680/need-an-api-that-detects-when-an-iphone-is-plugged-in

ioDevice IOIteratorNext deviceIterator IOUSBDeviceInterface deviceInterface NULL IOCFPlugInInterface ioPlugin NULL SInt32 score get a pointer to the device stored to ioPlugin IOCreatePlugInInterfaceForService ioDevice kIOUSBDeviceUserClientTypeID..

Detecting iPhone mute switch in iOS 5

http://stackoverflow.com/questions/8158087/detecting-iphone-mute-switch-in-ios-5