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Merged pcmfinal branch.

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Jaroslav Kysela 2000-11-20 20:10:46 +00:00
parent 3cc2b957fb
commit 41bb7068f2
57 changed files with 5189 additions and 3088 deletions
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105
src/seq/seq_local.h Normal file
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/*
* Sequencer Interface - definition of sequencer event handler
* Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
* Abramo Bagnara <abramo@alsa-project.org>
*
*
* 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.
*
*/
#ifndef __SEQ_LOCAL_H
#define __SEQ_LOCAL_H
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <errno.h>
#include "asoundlib.h"
#define SND_SEQ_OBUF_SIZE (16*1024) /* default size */
#define SND_SEQ_IBUF_SIZE 500 /* in event_size aligned */
#define DEFAULT_TMPBUF_SIZE 20
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
#define ERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__)
#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__)
#else
#define ERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args)
#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args)
#endif
typedef struct {
int (*close)(snd_seq_t *seq);
int (*nonblock)(snd_seq_t *seq, int nonblock);
int (*system_info)(snd_seq_t *seq, snd_seq_system_info_t * info);
int (*get_client_info)(snd_seq_t *seq, snd_seq_client_info_t * info);
int (*set_client_info)(snd_seq_t *seq, snd_seq_client_info_t * info);
int (*create_port)(snd_seq_t *seq, snd_seq_port_info_t * port);
int (*delete_port)(snd_seq_t *seq, snd_seq_port_info_t * port);
int (*get_port_info)(snd_seq_t *seq, snd_seq_port_info_t * info);
int (*set_port_info)(snd_seq_t *seq, snd_seq_port_info_t * info);
int (*get_port_subscription)(snd_seq_t *seq, snd_seq_port_subscribe_t * sub);
int (*subscribe_port)(snd_seq_t *seq, snd_seq_port_subscribe_t * sub);
int (*unsubscribe_port)(snd_seq_t *seq, snd_seq_port_subscribe_t * sub);
int (*query_port_subscribers)(snd_seq_t *seq, snd_seq_query_subs_t * subs);
int (*get_queue_status)(snd_seq_t *seq, snd_seq_queue_status_t * status);
int (*get_queue_tempo)(snd_seq_t *seq, snd_seq_queue_tempo_t * tempo);
int (*set_queue_tempo)(snd_seq_t *seq, snd_seq_queue_tempo_t * tempo);
int (*get_queue_owner)(snd_seq_t *seq, snd_seq_queue_owner_t * owner);
int (*set_queue_owner)(snd_seq_t *seq, snd_seq_queue_owner_t * owner);
int (*get_queue_timer)(snd_seq_t *seq, snd_seq_queue_timer_t * timer);
int (*set_queue_timer)(snd_seq_t *seq, snd_seq_queue_timer_t * timer);
int (*get_queue_client)(snd_seq_t *seq, snd_seq_queue_client_t * client);
int (*set_queue_client)(snd_seq_t *seq, snd_seq_queue_client_t * client);
int (*create_queue)(snd_seq_t *seq, snd_seq_queue_info_t *info);
int (*delete_queue)(snd_seq_t *seq, snd_seq_queue_info_t *info);
int (*get_queue_info)(snd_seq_t *seq, snd_seq_queue_info_t *info);
int (*set_queue_info)(snd_seq_t *seq, snd_seq_queue_info_t *info);
int (*get_named_queue)(snd_seq_t *seq, snd_seq_queue_info_t *info);
ssize_t (*write)(snd_seq_t *seq, void *buf, size_t len);
ssize_t (*read)(snd_seq_t *seq, void *buf, size_t len);
int (*remove_events)(snd_seq_t *seq, snd_seq_remove_events_t *rmp);
int (*get_client_pool)(snd_seq_t *seq, snd_seq_client_pool_t *info);
int (*set_client_pool)(snd_seq_t *seq, snd_seq_client_pool_t *info);
int (*query_next_client)(snd_seq_t *seq, snd_seq_client_info_t *info);
int (*query_next_port)(snd_seq_t *seq, snd_seq_port_info_t *info);
} snd_seq_ops_t;
struct _snd_seq {
char *name;
int type;
int streams;
int mode;
int poll_fd;
snd_seq_ops_t *ops;
void *private;
int client; /* client number */
/* buffers */
char *obuf; /* output buffer */
size_t obufsize; /* output buffer size */
size_t obufused; /* output buffer used size */
snd_seq_event_t *ibuf; /* input buffer */
size_t ibufptr; /* current pointer of input buffer */
size_t ibuflen; /* queued length */
size_t ibufsize; /* input buffer size */
snd_seq_event_t *tmpbuf; /* temporary event for extracted event */
size_t tmpbufsize; /* size of errbuf */
};
int snd_seq_hw_open(snd_seq_t **handle, char *name, int streams, int mode);
#endif