Piping QuickTime to CoreAudio
Piping QuickTime to CoreAudio
- Subject: Piping QuickTime to CoreAudio
- From: Austin Shoemaker <email@hidden>
- Date: Mon, 19 Jan 2004 19:47:00 -0800
For my project I must be able to play encrypted AAC files through an
AUGraph. Hopefully inline decryption is in the development pipeline
for AudioFile, but in the meantime there must be a way to channel audio
from QuickTime into the CoreAudio layer. I don't know what to do, and
it seems that I am not the only one with the same problem.
So I think the relevant question for the moment is: How do I redirect
the uncompressed audio stream leaving a playing QT movie into some
other buffer (in this case CoreAudio). I remember hearing that all
parts of the QT pipeline are modular, so there must be some way to do
this.
Details that we can act upon would be greatly appreciated by me and
everyone else who wants to be able to program with purchased music.
- Austin
On Jan 19, 2004, at 6:29 PM, john wrote:
Hi,
Just to add info to this, I modified Apple's PlayAudioFile example to
try the m4a and mp4 files with no success. Not surprising of course.
-- John
Thanks John, this was my first post to the CoreAudio list and the lack
of acknowledgement to my post was beginning to damage my frail ego. ;)
Jay
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