Alsa

# Module Alsa

    module Alsa: sig .. end

Interface with the alsa drivers.

Author(s): Samuel Mimram

    val get_version : unit -> string

Get the ALSA sound library version in ASCII format.

    exception Buffer_xrun

A buffer underrun / overrun occured.

PCM is not in the right state.

    exception Bad_state

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

    exception Suspended

    exception IO_error

Input/output error.

Device or resource was busy.

    exception Device_busy

Function was called with an invalid argument.

    exception 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.

    module Pcm: sig .. end