alsa 0.2.3 · OCaml Package

type handle

type params

type stream =

| Playback
| Capture

type mode =

| Async
| Non_blocking

val open_pcm : string -> stream list -> mode list -> handle

val close : handle -> unit

val prepare : handle -> unit

val resume : handle -> unit

val recover : ?verbose:bool -> handle -> exn -> unit

val start : handle -> unit

val drain : handle -> unit

val drop : handle -> unit

val pause : handle -> bool -> unit

val reset : handle -> unit

val wait : handle -> int -> bool

val readi : handle -> string -> int -> int -> int

val writei : handle -> string -> int -> int -> int

val readn : handle -> string array -> int -> int -> int

val writen : handle -> string array -> int -> int -> int

val readn_float : handle -> float array array -> int -> int -> int

val writen_float : handle -> float array array -> int -> int -> int

val readn_float64 : handle -> float array array -> int -> int -> int

val writen_float64 : handle -> float array array -> int -> int -> int

val get_delay : handle -> int

type state =

| St_open
| St_setup
| St_prepared
| St_running
| St_xrun
| St_draining
| St_paused
| St_suspended
| St_disconnected

val get_state : handle -> state

val get_params : handle -> params

val set_params : handle -> params -> unit

type access =

| Access_rw_interleaved
| Access_rw_noninterleaved

val set_access : handle -> params -> access -> unit

type fmt =

| Format_s16_le
| Format_s24_3le
| Format_float
| Format_float64

val set_format : handle -> params -> fmt -> unit

val set_rate_near : handle -> params -> int -> direction -> int

val set_channels : handle -> params -> int -> unit

val set_periods : handle -> params -> int -> direction -> unit

val get_periods_min : params -> int * direction

val get_periods_max : params -> int * direction

val set_buffer_size : handle -> params -> int -> unit

val set_buffer_size_near : handle -> params -> int -> int

val get_buffer_size_min : params -> int

val get_buffer_size_max : params -> int

val set_nonblock : handle -> bool -> unit

val get_frame_size : params -> int

package alsa