al -- Python library reference
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16.1. Built-in Module al
This module provides access to the audio facilities of the SGI Indy
and Indigo workstations. See section 3A of the IRIX man pages for
details. You'll need to read those man pages to understand what these
functions do! Some of the functions are not available in IRIX
releases before 4.0.5. Again, see the manual to check whether a
specific function is available on your platform.
All functions and methods defined in this module are equivalent to
the C functions with `AL' prefixed to their name.
Symbolic constants from the C header file <audio.h> are defined
in the standard module AL
, see below.
Warning: the current version of the audio library may dump core
when bad argument values are passed rather than returning an error
status. Unfortunately, since the precise circumstances under which
this may happen are undocumented and hard to check, the Python
interface can provide no protection against this kind of problems.
(One example is specifying an excessive queue size --- there is no
documented upper limit.)
The module defines the following functions:
- openport (name, direction[, config]) -- function of module al
-
The name and direction arguments are strings. The optional config
argument is a configuration object as returned by
al.newconfig()
. The return value is an port object;
methods of port objects are described below.
- newconfig () -- function of module al
-
The return value is a new configuration object; methods of
configuration objects are described below.
- queryparams (device) -- function of module al
-
The device argument is an integer. The return value is a list of
integers containing the data returned by ALqueryparams().
- getparams (device, list) -- function of module al
-
The device argument is an integer. The list argument is a list such
as returned by
queryparams
; it is modified in place (!).
- setparams (device, list) -- function of module al
-
The device argument is an integer. The list argument is a list such
as returned by
al.queryparams
.
Menu
- Configuration Objects
- Port Objects
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