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Technical Q&A QA1786: AUAudioFilePlayer - Using the …
https://developer.apple.com/library/archive/qa/qa1786/_index.html
err = AudioFileGetProperty(mAudioFile, kAudioFilePropertyDataFormat, &size, &mFileDataFormat); // it's simplest to set the file player's output format to be // canonical float 32, with the file's sample rate and channel count
Optional value nil found after using AudioFileGetProperty ...
https://stackoverflow.com/questions/51886329/optional-value-nil-found-after-using-audiofilegetproperty-with-kaudiofileprope
I'm trying to use swift AudioToolbox API to playback an audio file. However, when I get the AudioStreamBasicDescription using AudioFileGetProperty() the app crashes when I …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502718-audiofilegetproperty
Discussion. Some Core Audio property values are C types and others are Core Foundation objects. If you call this function to retrieve a value that is a Core Foundation object, then this function—despite the use of “Get” in its name—duplicates the object.
ios - Core audio: file playback render callback function ...
https://stackoverflow.com/questions/37773506/core-audio-file-playback-render-callback-function
I am using RemoteIO Audio Unit for audio playback in my app with kAudioUnitProperty_ScheduledFileIDs. Audio files are in PCM format. How can I implement a render callback function for this case, so I
Converting Any Audio Format To LPCM | by Panos ...
https://medium.com/programming-for-music/converting-any-audio-format-to-lpcm-5077dc533126
We use the Core Audio API call AudioFileGetProperty to read the audio stream basic description information. The property constant that corresponds to it is the constant kAudioFilePropertyDataFormat.
iOS Audio Capabilities
http://cdn.cs76.net/2011/spring/seminars/ios-3/seminar-ios-3.pdf
AudioFileGetProperty(input, kAudioFilePropertyDataFormat, &size, &inputFormat); Key Functions for Reading and Writing Audio Streams •AudioFileReadPackets •AudioFileWritePackets.
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