Re: How to play compressed audiofiles with RemoteIO on iPhone?
Re: How to play compressed audiofiles with RemoteIO on iPhone?
- Subject: Re: How to play compressed audiofiles with RemoteIO on iPhone?
- From: Martin <email@hidden>
- Date: Tue, 4 May 2010 22:00:07 +0200
Besides from having an interest in audio programming and wanting to explore AudioUnits, I need to be able to control the audio in detail in order to alter pitch, visualize the waveform and whatnot. As far as I know, and correct me if I'm wrong, the only way to really be in control of audio playback is to use AudioUnits.
That being said, I did get the compressed audio playback working and I'm interpolating the steps through the buffer to smooth the pitchshifting. So far so good, but thanks for the concern!
Martin
The question really is why do you want to play compressed audio files back using the RemoteIO?
There are many other API that you can use to play compressed audio back (AudioQueue, AVFoundation). Playing compressed audio back using remote I/O is difficult and requires alot of work. I haven't looked through the code you mention below, but some of the code we have already seen here is full of mistakes - the primary one being doing reads of the file system from the remote I/O render callback.
Bill
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