cmus-remote: Read command results
[cmus.git] / op.h
blob589cba6a1c84b6465bc3bcb417fc52112acd52ac
1 /*
2 * Copyright 2004 Timo Hirvonen
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
17 * 02111-1307, USA.
20 #ifndef _OP_H
21 #define _OP_H
23 #include "sf.h"
25 enum {
26 /* no error */
27 OP_ERROR_SUCCESS,
28 /* system error (error code in errno) */
29 OP_ERROR_ERRNO,
30 /* no such plugin */
31 OP_ERROR_NO_PLUGIN,
32 /* plugin not initialized */
33 OP_ERROR_NOT_INITIALIZED,
34 /* function not supported */
35 OP_ERROR_NOT_SUPPORTED,
36 /* mixer not open */
37 OP_ERROR_NOT_OPEN,
38 /* plugin does not support the sample format */
39 OP_ERROR_SAMPLE_FORMAT,
40 /* plugin does not have this option */
41 OP_ERROR_NOT_OPTION,
42 /* */
43 OP_ERROR_INTERNAL
46 struct output_plugin_ops {
47 int (*init)(void);
48 int (*exit)(void);
49 int (*open)(sample_format_t sf);
50 int (*close)(void);
51 int (*drop)(void);
52 int (*write)(const char *buffer, int count);
53 int (*buffer_space)(void);
55 /* these can be NULL */
56 int (*pause)(void);
57 int (*unpause)(void);
59 int (*set_option)(int key, const char *val);
60 int (*get_option)(int key, char **val);
63 #endif