source: roaraudio/libroareio/driver.c @ 4604:00c316cc785d

Last change on this file since 4604:00c316cc785d was 4604:00c316cc785d, checked in by phi, 13 years ago

support NULL as default (with internal list) driver selection for cdrivers

File size: 3.2 KB
Line 
1//driver.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2010
5 *
6 *  This file is part of roarclients 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 *  RoarAudio 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 */
25
26#include <roaraudio.h>
27#include "driver.h"
28#include "autodetected.h"
29
30#ifdef ROAR_HAVE_AD_ESDFW
31#include "driver_esdfw.h"
32#endif
33
34int roar_cdriver_null(struct roar_vio_calls * calls, const char * name, char * dev, struct roar_audio_info * info, int dir) {
35 ROAR_DBG("roar_cdriver_null(calls=%p, name='%s', dev='%s', info=%p{...}, dir=%i(?)) = ?", calls, name, dev, info, dir);
36
37 memset(calls, 0, sizeof(struct roar_vio_calls));
38 calls->read  = roar_vio_null_rw;
39 calls->write = roar_vio_null_rw;
40
41 ROAR_DBG("roar_cdriver_null(calls=%p, name='%s', dev='%s', info=%p{...}, dir=%i(?)) = 0", calls, name, dev, info, dir);
42 return 0;
43}
44
45struct roar_cdriver _g_roar_cdriver[] = {
46 {"null", roar_cdriver_null},
47 {"roar", roar_cdriver_roar},
48#if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS)
49 {"oss",  roar_cdriver_oss},
50#endif
51#ifdef ROAR_HAVE_AD_ESDFW
52#include "driver_esdfw.c"
53#endif
54 {NULL, NULL}
55};
56
57
58static int roar_cdriver_open_default(struct roar_vio_calls * calls, char * dev, struct roar_audio_info * info, int dir) {
59 const char * names[] = {
60  // native APIs:
61  "oss",
62  // Virtual APIs:
63  "roar",
64  // Dummys:
65  "null"
66 };
67 size_t i;
68 int ret;
69
70 if ( dev != NULL ) {
71  ROAR_WARN("roar_cdriver_open_default(calls=%p, dev='%s', info=%p, dir=%i): Try to open given device without driver name is a bad thing to do. This is normaly a Application error.", calls, dev, info, dir);
72 }
73
74 for (i = 0; i < (sizeof(names)/sizeof(*names)); i++) {
75  ret = roar_cdriver_open(calls, names[i], dev, info, dir);
76  if ( ret != -1 )
77   return ret;
78 }
79
80 return -1;
81}
82
83int roar_cdriver_open(struct roar_vio_calls * calls, const char * name, char * dev, struct roar_audio_info * info, int dir) {
84 int i;
85 char *delm;
86
87 if ( name == NULL )
88  return roar_cdriver_open_default(calls, dev, info, dir);
89
90 for (i = 0; _g_roar_cdriver[i].name != NULL; i++) {
91  ROAR_DBG("roar_cdriver_open(*): _g_roar_cdriver[i].name='%s' <cmp> name='%s'", _g_roar_cdriver[i].name, name);
92
93  if ( !strcmp(_g_roar_cdriver[i].name, name) )
94   return _g_roar_cdriver[i].open(calls, name, dev, info, dir);
95
96  if ( (delm = strstr(_g_roar_cdriver[i].name, ":")) != NULL ) {
97   ROAR_DBG("roar_cdriver_open(*): delm+1='%s' <cmp> name='%s'", delm+1, name);
98   if ( !strcmp(delm+1, name) )
99    return _g_roar_cdriver[i].open(calls, name, dev, info, dir);
100  }
101
102 }
103
104 return -1;
105}
106
107//ll
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