I'm currently trying to create a program that plays back audio using
AudioUnit plugin that streams the audio to an output AudioUnit,
inside an AUGraph.
I'm going to make the AUGraph more complex, by adding effects to it,
that's why I use
This currently works when I use AUAudioFilePlayer's graphical user
interface, but I haven't
found a way to add audio files to it and to control playback without
this the UI.
The only documentation I have found about AUAudioFilePlayer are the
comments in the
header "AudioUnitProperties.h" (--> lines 146 and 1144), but I'm not
sure how to use this
I tried the following, which didn't work:
/* AudioUnit u is set to the AUAudioFilePlayer audio unit;
AudioFileID f is set to the audio file. */
a, /* Array containing one AudioFileID (-->
AudioUnitProperties.h:148), I'm not sure if
I was supposed to pass an array of
AudioFileID pointers or a CFArrayRef instead. */
I was wondering if you could tell me how to control AUAudioFilePlayer
without its GUI, or
where to find better documentation / example code about this.
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