alsa-lib/src/timer/timer_local.h

/*
 *  Timer interface - local header file
 *  Copyright (c) 2001 by Jaroslav Kysela <perex@suse.cz>
 *
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2 of
 *   the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "local.h"

typedef struct {
	int (*close)(snd_timer_t *timer);
	int (*nonblock)(snd_timer_t *timer, int nonblock);
	int (*info)(snd_timer_t *timer, snd_timer_info_t *info);
	int (*params)(snd_timer_t *timer, snd_timer_params_t *params);
	int (*status)(snd_timer_t *timer, snd_timer_status_t *status);
	int (*rt_start)(snd_timer_t *timer);
	int (*rt_stop)(snd_timer_t *timer);
	int (*rt_continue)(snd_timer_t *timer);
	ssize_t (*read)(snd_timer_t *timer, void *buffer, size_t size);
} snd_timer_ops_t;

struct _snd_timer {
	char *name;
	snd_timer_type_t type;
	int mode;
	int poll_fd;
	snd_timer_ops_t *ops;
	void *private_data;
};

int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int dev_sclass, int card, int device, int subdevice, int mode);

typedef struct {
	int (*close)(snd_timer_query_t *timer);
	int (*next_device)(snd_timer_query_t *timer, snd_timer_id_t *tid);
} snd_timer_query_ops_t;

struct _snd_timer_query {
	char *name;
	snd_timer_type_t type;
	int mode;
	int poll_fd;
	snd_timer_query_ops_t *ops;
	void *private_data;
};

int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode);