// // AudioFile.h // SpectogramPrototype // // Created by Joshua Moerman on 28/12/13. // Copyright (c) 2013 Joshua Moerman. All rights reserved. // #import // Uses the ExtAudioFileRef from the AudioToolkit // Handles conversion to PCM and such @interface AudioFile : NSObject // Loads a file (and sets the right internal format) + (AudioFile*) audioFileFromURL:(NSURL*) url; // Reads nSamples of data (left channel), return actual number of samples read - (BOOL) fillLeft:(float*)left andRight:(float*)right forRange:(NSRange)range; @end