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2014/10/15 ¤U¤È 10:15:22

iphone Programming Glossary: uint32

iPhone audio playback: force through internal speaker?

http://stackoverflow.com/questions/1064846/iphone-audio-playback-force-through-internal-speaker

a look at the Redirecting Output Audio section of the Audio Session Programming Guide It looks something like this UInt32 audioRouteOverride kAudioSessionOverrideAudioRoute_Speaker 1 AudioSessionSetProperty kAudioSessionProperty_OverrideAudioRoute..

How do I synthesize sounds with CoreAudio on iPhone/Mac

http://stackoverflow.com/questions/1361148/how-do-i-synthesize-sounds-with-coreaudio-on-iphone-mac

AudioQueueCallback void inUserData AudioQueueRef inAQ AudioQueueBufferRef inBuffer void pBuffer inBuffer mAudioData UInt32 bytes inBuffer mAudioDataBytesCapacity Write max bytes bytes of audio to pBuffer outBuffer mAudioDataByteSize actualNumberOfBytesWritten..

Detect if headphones (not microphone) are plugged in to an iOs device

http://stackoverflow.com/questions/3728781/detect-if-headphones-not-microphone-are-plugged-in-to-an-ios-device

site http www.iphonedevsdk.com forum iphone sdk development 9982 play record same time.html BOOL isHeadsetPluggedIn UInt32 routeSize sizeof CFStringRef CFStringRef route OSStatus error AudioSessionGetProperty kAudioSessionProperty_AudioRoute ..

How do I get my AVPlayer to play while app is in background?

http://stackoverflow.com/questions/4771105/how-do-i-get-my-avplayer-to-play-while-app-is-in-background

AVAudioSessionCategoryPlayAndRecord error sessionError Pick any one of them 1. Overriding the output audio route UInt32 audioRouteOverride kAudioSessionOverrideAudioRoute_Speaker AudioSessionSetProperty kAudioSessionProperty_OverrideAudioRoute.. sizeof audioRouteOverride audioRouteOverride 2. Changing the default output audio route UInt32 doChangeDefaultRoute 1 AudioSessionSetProperty kAudioSessionProperty_OverrideCategoryDefaultToSpeaker sizeof doChangeDefaultRoute..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

alloc initWithTrack songTrack outputSettings outputSettingsDict reader addOutput output output release UInt32 sampleRate channelCount NSArray formatDesc songTrack.formatDescriptions for unsigned int i 0 i formatDesc count i CMAudioFormatDescriptionRef.. NSLog @ channels u bytes packet u sampleRate f fmtDesc mChannelsPerFrame fmtDesc mBytesPerPacket fmtDesc mSampleRate UInt32 bytesPerSample 2 channelCount SInt16 normalizeMax 0 NSMutableData fullSongData NSMutableData alloc init reader startReading.. alloc initWithTrack songTrack outputSettings outputSettingsDict reader addOutput output output release UInt32 sampleRate channelCount NSArray formatDesc songTrack.formatDescriptions for unsigned int i 0 i formatDesc count i CMAudioFormatDescriptionRef..

How to record and play sound in iPhone app?

http://stackoverflow.com/questions/5662297/how-to-record-and-play-sound-in-iphone-app

share improve this question This code should be useful for you #import AudioToolbox AudioServices.h UInt32 audioRouteOverride kAudioSessionOverrideAudioRoute_Speaker AudioSessionSetProperty kAudioSessionProperty_OverrideAudioRoute..

Detecting iPhone/iPod Touch Accessories

http://stackoverflow.com/questions/667196/detecting-iphone-ipod-touch-accessories

and get the value of kAudioSessionProperty_AudioInputAvailable. AudioSessionInitialize NULL NULL NULL NULL UInt32 propertySize micConnected AudioSessionGetProperty kAudioSessionProperty_AudioInputAvailable propertySize micConnected self..

Detecting the iPhone's Ring / Silent / Mute switch using AVAudioPlayer not working?

http://stackoverflow.com/questions/6901363/detecting-the-iphones-ring-silent-mute-switch-using-avaudioplayer-not-worki

If so on what kind of device and SDK version I'm calling it like so BOOL deviceIsSilenced CFStringRef state UInt32 propertySize sizeof CFStringRef OSStatus audioStatus AudioSessionGetProperty kAudioSessionProperty_AudioRoute &propertySize..

SFHFKeychainUtils. iOS keychain. ARC compatible

http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible

username andServiceName serviceName error error if error item return nil from Advanced Mac OS X Programming ch. 16 UInt32 length char password SecKeychainAttribute attributes 8 SecKeychainAttributeList list attributes 0 .tag kSecAccountItemAttr..

Detect Silent mode in iOS5?

http://stackoverflow.com/questions/7798891/detect-silent-mode-in-ios5

return NO in simulator. Code causes crashes for some reason. return NO #endif CFStringRef state UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute..

Application crashed while importing songs from Ipod library in Iphone for iOs 5.0

http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5

exportAudioMix NSString fileType nil NSString ex nil switch formatID case kAudioFormatLinearPCM UInt32 flags audioDesc mFormatFlags if flags kAudioFormatFlagIsBigEndian fileType @ public.aiff audio ex @ aif else fileType.. exportAudioMix NSString fileType nil NSString ex nil switch formatID case kAudioFormatLinearPCM UInt32 flags audioDesc mFormatFlags if flags kAudioFormatFlagIsBigEndian fileType @ public.aiff audio ex @ aif else fileType..

How to detect iphone is on silent mode

http://stackoverflow.com/questions/833304/how-to-detect-iphone-is-on-silent-mode

does not support the test and the code does not check for errors. Corrected code would look like CFStringRef state nil UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL OSStatus status AudioSessionGetProperty kAudioSessionProperty_AudioRoute..

Can anybody help me in recording iPhone output sound through Audio Unit

http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit

NULL desc Get audio units status AudioComponentInstanceNew inputComponent audioUnit Enable IO for recording UInt32 flag 1 status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input kInputBus flag.. recordingCallback void inRefCon AudioUnitRenderActionFlags ioActionFlags const AudioTimeStamp inTimeStamp UInt32 inBusNumber UInt32 inNumberFrames AudioBufferList ioData NSLog @ callback if ioActionFlags kAudioUnitRenderAction_PostRender.. void inRefCon AudioUnitRenderActionFlags ioActionFlags const AudioTimeStamp inTimeStamp UInt32 inBusNumber UInt32 inNumberFrames AudioBufferList ioData NSLog @ callback if ioActionFlags kAudioUnitRenderAction_PostRender inBusNumber..

How do I start playing audio when in silent mode & locked in iOS 6?

http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6

Current Methods Implemented AVAudioPlayer using AudioSessionInitialize nil nil nil nil AudioSessionSetActive YES UInt32 sessionCategory kAudioSessionCategory_MediaPlayback AudioSessionSetProperty kAudioSessionProperty_AudioCategory sizeof sessionCategory..