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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 (*async)(snd_timer_t *timer, int sig, pid_t pid); 00031 int (*info)(snd_timer_t *timer, snd_timer_info_t *info); 00032 int (*params)(snd_timer_t *timer, snd_timer_params_t *params); 00033 int (*status)(snd_timer_t *timer, snd_timer_status_t *status); 00034 int (*rt_start)(snd_timer_t *timer); 00035 int (*rt_stop)(snd_timer_t *timer); 00036 int (*rt_continue)(snd_timer_t *timer); 00037 ssize_t (*read)(snd_timer_t *timer, void *buffer, size_t size); 00038 } snd_timer_ops_t; 00039 00040 struct _snd_timer { 00041 unsigned int version; 00042 char *name; 00043 snd_timer_type_t type; 00044 int mode; 00045 int poll_fd; 00046 snd_timer_ops_t *ops; 00047 void *private_data; 00048 }; 00049 00050 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); 00051 00052 typedef struct { 00053 int (*close)(snd_timer_query_t *timer); 00054 int (*next_device)(snd_timer_query_t *timer, snd_timer_id_t *tid); 00055 int (*info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info); 00056 int (*params)(snd_timer_query_t *timer, snd_timer_gparams_t *info); 00057 int (*status)(snd_timer_query_t *timer, snd_timer_gstatus_t *info); 00058 } snd_timer_query_ops_t; 00059 00060 struct _snd_timer_query { 00061 char *name; 00062 snd_timer_type_t type; 00063 int mode; 00064 int poll_fd; 00065 snd_timer_query_ops_t *ops; 00066 void *private_data; 00067 }; 00068 00069 int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode); 00070 00071 int snd_timer_async(snd_timer_t *timer, int sig, pid_t pid);

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