source: roaraudio/include/libroar/vio_buffer.h @ 5505:a39728598a5f

Last change on this file since 5505:a39728598a5f was 5381:430b1d26e12d, checked in by phi, 12 years ago

updated copyright years

File size: 2.4 KB
Line 
1//vio_buffer.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 *  NOTE for everyone want's to change something and send patches:
25 *  read README and HACKING! There a addition information on
26 *  the license of this document you need to read before you send
27 *  any patches.
28 *
29 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
30 *  or libpulse*:
31 *  The libs libroaresd, libroararts and libroarpulse link this lib
32 *  and are therefore GPL. Because of this it may be illigal to use
33 *  them with any software that uses libesd, libartsc or libpulse*.
34 */
35
36#ifndef _LIBROARVIO_BUFFER_H_
37#define _LIBROARVIO_BUFFER_H_
38
39#include "libroar.h"
40
41struct roar_vio_buffer_offset {
42 int is_old;
43 size_t offset;
44};
45
46struct roar_vio_buffer {
47 struct roar_vio_calls * backend;
48 struct roar_buffer * buf_old, * buf_cur;
49 size_t len_old, len_cur;
50 ssize_t min_bufsize;
51 struct roar_vio_buffer_offset offset;
52 struct roar_vio_calls re_vio;
53 int use_re;
54 size_t abspos;
55};
56
57int     roar_vio_open_buffer    (struct roar_vio_calls * calls, struct roar_vio_calls * dst, ssize_t minsize, int use_re);
58ssize_t roar_vio_buffer_read    (struct roar_vio_calls * vio, void *buf, size_t count);
59ssize_t roar_vio_buffer_write   (struct roar_vio_calls * vio, void *buf, size_t count);
60roar_off_t   roar_vio_buffer_lseek   (struct roar_vio_calls * vio, roar_off_t offset, int whence);
61int     roar_vio_buffer_sync    (struct roar_vio_calls * vio);
62int     roar_vio_buffer_ctl     (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data);
63int     roar_vio_buffer_close   (struct roar_vio_calls * vio);
64
65#endif
66
67//ll
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