Alsa (alsa.Alsa)

val get_version : unit -> string

Get the ALSA sound library version in ASCII format.

exception Buffer_xrun

A buffer underrun / overrun occured.

exception Bad_state

PCM is not in the right state.

exception Suspended

A suspend event occurred (stream is suspended and waiting for an application * recovery).

exception IO_error

Input/output error.

exception Device_busy

Device or resource was busy.

exception Invalid_argument

Function was called with an invalid argument.

exception Device_removed

This error can happen when device is physically * removed (for example some hotplug devices like USB * or PCMCIA, CardBus or ExpressCard can be removed on the fly).

exception Interrupted

exception Unknown_error of int

type direction =

| Dir_down
| Dir_eq
| Dir_up

val string_of_error : exn -> string

Get an error message corresponding to an error. * Raise the given exception if it is not known.

val no_stderr_report : unit -> unit

Do not report errors on stderr.

val device_name_hints : 
  ?card:int ->
  ?interface:string ->
  unit ->
  (string * string * [ `Input | `Output | `Both ]) list

List all devices with name, description and IO.

module Pcm : sig ... end

module Sequencer : sig ... end