Re: drivers/telephony and winmodems

From: Alan Cox (alan@redhat.com)
Date: Sun Jan 16 2000 - 15:18:46 EST


> Given that telephony device is nothing but soundcard with few more
> functions, and slightly obscure format, why is not drivers/telephony
> more similar to drivers/audio?

Mostly because the telephony cards that do audio tend to be fixed buffer
sizes and codecs doing hardware enode/decode.

> It gives sense to splay -d /dev/telephony0 /big/something.mp3, it
> gives sense to record sounds from telephony line with exactly same
> software you grab from soundcard. Yes, ixj is able to do fancy things
> like DTMF detection in hardware, but don't expect that from DSP-less
> winmodems. (And I'd expect winmodems to go just into
> drivers/telephony, or not?)

Probably. I would like to see telephony cards that can do plain raw 8/16bit
samples also support the OSS API too. It seems only reasonable to be able
to open a telephomny device and attach ibm viavoice to it for example

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