Re: [Alsa-devel] limits

2004-06-07 Thread Clemens Ladisch
Florin Andrei wrote:
 What's the max number of cards in a system that can be used by ALSA
 simultaneously?

8

 What's the max number of MIDI ports that's supported by ALSA?

There can be up to 8 rawmidi devices per card, but each device can
have an unlimited number of subdevices.

OSS emulation supports 2 ports per card (/dev/midi0X, /dev/amidi0X).

There can be up to 192 sequencer clients (64 each for kernel, drivers
(8*8), and applications), and each can have up to 254 ports.

 What are other similar limits?

Up to 8 playback and 8 capture PCM devices per card, with unlimited
number of subdevices.

Up to 8 sequencer queues.

 The answers to the questions above - are they in the docs?

Use the Source, Luke!  :-)


HTH
Clemens




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Re: [Alsa-devel] limits

2004-06-07 Thread Jaroslav Kysela
On Mon, 7 Jun 2004, Clemens Ladisch wrote:

 Florin Andrei wrote:
  What's the max number of cards in a system that can be used by ALSA
  simultaneously?
 
  The answers to the questions above - are they in the docs?
 
 Use the Source, Luke!  :-)

Note that applications shouldn't rely on these limits, because we can 
change the driver code to support more cards/devices/sequencer queues etc. 
in future.

Jaroslav

-
Jaroslav Kysela [EMAIL PROTECTED]
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs


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