Re: [linux-audio-dev] jack question

New Message Reply About this list Date view Thread view Subject view Author view Other groups

Subject: Re: [linux-audio-dev] jack question
From: Paul Davis (pbd_AT_Op.Net)
Date: Thu Nov 22 2001 - 02:50:28 EET


>Sounds like the sound card would need to support full duplex too, no?

correct. the only supplied "driver" for JACK, which is written around
ALSA 0.9, requires full duplex from the audio interface its connected
to. it also requires mmap access and the ability to use either S16_LE
or S32_LE format samples.

this is not a stipulation of JACK - as I've said many times before,
the JACK server has no clue that there even *is* an audio
interface. its quite possible to drive a JACK system from a video
interface, an interval timer, or anything else that will regularly
wake up the server with a frame count.

if somebody wants to hack the ALSA driver for JACK so that it doesn't
require full duplex, i'll happily apply patches.

--p


New Message Reply About this list Date view Thread view Subject view Author view Other groups

This archive was generated by hypermail 2b28 : Thu Nov 22 2001 - 02:47:57 EET