source: roaraudio/libroar/vio_magic.c @ 5425:2c3f247e8f9a

Last change on this file since 5425:2c3f247e8f9a was 5381:430b1d26e12d, checked in by phi, 12 years ago

updated copyright years

File size: 3.3 KB
Line 
1
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2012
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#include "libroar.h"
37
38#if 0
39
40static int     roar_vio_magic_close   (struct roar_vio_calls * vio);
41
42static ssize_t roar_vio_magic_read    (struct roar_vio_calls * vio, void *buf, size_t count) {
43 struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst);
44 struct roar_buffer    * inp;
45 void * calls;
46 size_t len;
47
48 if (self == NULL)
49  return -1;
50
51 if ( roar_stack_get_cur(&(self->vios), &calls) == -1 )
52  return -1;
53
54 inp = self->inp;
55
56 if ( roar_buffer_get_len(inp, &len) == -1 )
57  return -1;
58
59 if ( len ) {
60  len = len > count ? count : len;
61  if ( roar_buffer_shift_out(&inp, buf, &len) == -1 )
62   return -1;
63 }
64
65 count -= len;
66 buf += len;
67
68 if ( count ) {
69  if ( (count = roar_vio_read((struct roar_vio_calls*) calls, buf, count)) == -1 )
70   return len;
71
72  return len+count;
73 }
74
75 return len;
76}
77
78static ssize_t roar_vio_magic_write   (struct roar_vio_calls * vio, void *buf, size_t count) {
79 struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst);
80 void * calls;
81
82 if (self == NULL)
83  return -1;
84
85 if ( roar_stack_get_cur(&(self->vios), &calls) == -1 )
86  return -1;
87
88 return roar_vio_write((struct roar_vio_calls*)calls, buf, count);
89}
90
91static roar_off_t   roar_vio_magic_lseek   (struct roar_vio_calls * vio, roar_off_t offset, int whence) {
92 struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst);
93 void * calls;
94
95 if (self == NULL)
96  return -1;
97
98 if ( roar_stack_get_cur(&(self->vios), &calls) == -1 )
99  return -1;
100
101 return roar_vio_lseek((struct roar_vio_calls*)calls, offset, whence);
102}
103
104static int     roar_vio_magic_sync    (struct roar_vio_calls * vio) {
105 struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst);
106 void * calls;
107
108 if (self == NULL)
109  return -1;
110
111 if ( roar_stack_get_cur(&(self->vios), &calls) == -1 )
112  return -1;
113
114 return roar_vio_sync((struct roar_vio_calls*)calls);
115}
116
117int     roar_vio_open_magic    (struct roar_vio_calls * calls, struct roar_vio_calls * dst, int * codec);
118
119#endif
120
121//ll
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