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timer_local.h

00001 /*
00002  *  Timer interface - local header file
00003  *  Copyright (c) 2001 by Jaroslav Kysela <perex@suse.cz>
00004  *
00005  *
00006  *   This library is free software; you can redistribute it and/or modify
00007  *   it under the terms of the GNU Lesser General Public License as
00008  *   published by the Free Software Foundation; either version 2.1 of
00009  *   the License, or (at your option) any later version.
00010  *
00011  *   This program is distributed in the hope that it will be useful,
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *   GNU Lesser General Public License for more details.
00015  *
00016  *   You should have received a copy of the GNU Lesser General Public
00017  *   License along with this library; if not, write to the Free Software
00018  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019  *
00020  */
00021 
00022 #include <stdio.h>
00023 #include <stdlib.h>
00024 #include <limits.h>
00025 #include "local.h"
00026 
00027 typedef struct {
00028         int (*close)(snd_timer_t *timer);
00029         int (*nonblock)(snd_timer_t *timer, int nonblock);
00030         int (*info)(snd_timer_t *timer, snd_timer_info_t *info);
00031         int (*params)(snd_timer_t *timer, snd_timer_params_t *params);
00032         int (*status)(snd_timer_t *timer, snd_timer_status_t *status);
00033         int (*rt_start)(snd_timer_t *timer);
00034         int (*rt_stop)(snd_timer_t *timer);
00035         int (*rt_continue)(snd_timer_t *timer);
00036         ssize_t (*read)(snd_timer_t *timer, void *buffer, size_t size);
00037 } snd_timer_ops_t;
00038 
00039 struct _snd_timer {
00040         char *name;
00041         snd_timer_type_t type;
00042         int mode;
00043         int poll_fd;
00044         snd_timer_ops_t *ops;
00045         void *private_data;
00046 };
00047 
00048 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);
00049 
00050 typedef struct {
00051         int (*close)(snd_timer_query_t *timer);
00052         int (*next_device)(snd_timer_query_t *timer, snd_timer_id_t *tid);
00053 } snd_timer_query_ops_t;
00054 
00055 struct _snd_timer_query {
00056         char *name;
00057         snd_timer_type_t type;
00058         int mode;
00059         int poll_fd;
00060         snd_timer_query_ops_t *ops;
00061         void *private_data;
00062 };
00063 
00064 int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode);

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