Hi all,
This is my first post the list so please go easy on me. I'm
resurrecting thread from back in March of last year:
http://lists.apple.com/archives/coreaudio-api/2009/Mar/msg00341.html
Did this ever get resolved? If so please ignore the rest of this
message.
We've been experiencing this exact same problem and can reproduce it
pretty consistently on iTouch devices. The problem is essentially that
removing the headset while while in PlayAndRecord mode causes an
AudioSession interruption that never ends.
Reproduction steps:
1) Download the SpeakHere example from the apple developer site.
2) Put printf statements in the route changed callback, the
interruption callback and the input availability callback.
3) Run the app on an iPod touch with the headset initially plugged
4) Start recording and unplug the headset during recording.
5) Notice the following sequence of printf statements in the
debug console:
- route changed (stopping input queue)
- interruptionListener: Begin
- input availability changed
Notice the lack of any end to the interruption.
In our more complicated application I've tried doing all kind of things
to the audio session when the initial route changed callback is fired,
but whatever I do I can't seem to avoid the following interruption.
I myself have reproduced that above problem on an iTouch 3G running iOS
4.1 beta3.
--
sam clegg
email@hidden
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