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Audio Toolbox Framework Reference Audio Queue Services Reference

Document Revision History

This table describes the changes to Audio Queue Services Reference.

Date

Notes

2014-02-11

Improved the description of the kAudioQueueParam_Volume audio queue parameter.

2011-10-12

Added a description for the “kAudioQueueErr_RecordUnderrun” result code.


Added a description for the kAudioQueueProperty_ConverterError property.

2011-03-12

Added memory management information for the AudioQueueGetProperty function.

2011-01-03

Added descriptions for new audio queue playback parameters in Audio Queue Parameters.

2010-02-01

Corrected description for the inCallbackProc parameter in the AudioQueueNewOutput function.


Improved discussion for the AudioQueueOutputCallback callback function.

2009-08-07

Added description for “kAudioQueueErr_InvalidOfflineMode” result code.

2009-06-19

Added description for AudioQueueBufferRef type definition.

2009-03-29

Updated for iPhone OS 3.0.


Added descriptions for new result codes: “kAudioQueueErr_QueueInvalidated” and “kAudioQueueErr_EnqueueDuringReset”. Added descriptions for constants that support the use of hardware codecs: Hardware Codec Policy Keys.

2008-11-12

Added description for new “kAudioQueueErr_PrimeTimedOut” result code.

2008-07-08

Updated for platform-specific support.

2008-01-15

Corrected and clarified descriptions of the AudioQueueOutputCallback and AudioQueuePropertyListenerProc callback functions.

2007-10-31

New document that describes a high-level programming interface for playing and recording audio data.