Audio Unit Graph pause and repeating

Question

I\'ve been trying to implement Audio Unit Graph using Apple provided code: IphoneMixerEQGraphTest. So far I have encountered two problems:

1.) I can\'t find any way

Answer 1

AVAudioPlayer is a huge class, You can easily get duration from:

Float64 fileDuration = PrepareFileAU (fileAU, fileFormat, audioFile);

see ADC sample at:

http://developer.apple.com/library/mac/#samplecode/PlayFile/Introduction/Intro.html

avoiding including other frameworks.