On 06/07/04 18:20, Jeremy McNamara wrote:
Ok Mr. Smart guy, show us how to mix audio without a 1000hz interrupt.
Every Conference application i've ever seen (even outside of asterisk) requires an interrupt.
This blatantly isn't required. You accept that conferencing will introduce
a small delay (which you need anyway to de-jitter the UDP packets), write
the streams into circular buffers, and mix these buffers down 20ms later.
It's not exactly rocket science.
I know that this works, because I'm running conferencing on my Java IAX2
stack across tens of simultaneous calls using nothing better than
Thread.sleep() (which has a resolution of about 23ms on a 2.4 kernel).
Best regards,
Al
Thank you. Also, the app_conference solution that as far as I can tell is the most visible 3rd party asterisk-based conferencing module, does NOT use a timer, either. But I'd rather use something that's built in if possible.
/mike
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