Mercurial > sdl-ios-xcode
annotate src/audio/SDL_audiodev.c @ 3913:9e454eb693a5 SDL-1.2
Corrected wrong SDK path in build-scripts/fatbuild.sh.
Fixes Bugzilla #377.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Tue, 13 Feb 2007 09:58:04 +0000 |
parents | 12b6d331d82a |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
rev | line source |
---|---|
0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
13 Lesser General Public License for more details. |
0 | 14 |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1138
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
94
diff
changeset
|
20 slouken@libsdl.org |
0 | 21 */ |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
22 #include "SDL_config.h" |
0 | 23 |
24 /* Get the name of the audio device we use for output */ | |
25 | |
1567
12b6d331d82a
Good idea, renaming OpenBSD audio to BSD audio.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
26 #if SDL_AUDIO_DRIVER_BSD || SDL_AUDIO_DRIVER_OSS || SDL_AUDIO_DRIVER_SUNAUDIO |
0 | 27 |
28 #include <fcntl.h> | |
29 #include <sys/types.h> | |
30 #include <sys/stat.h> | |
31 | |
1358
c71e05b4dc2e
More header massaging... works great on Windows. ;-)
Sam Lantinga <slouken@libsdl.org>
parents:
1338
diff
changeset
|
32 #include "SDL_stdinc.h" |
0 | 33 #include "SDL_audiodev_c.h" |
34 | |
35 #ifndef _PATH_DEV_DSP | |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
36 #if defined(__NETBSD__) || defined(__OPENBSD__) |
94
ae6e6b73333f
Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
37 #define _PATH_DEV_DSP "/dev/audio" |
ae6e6b73333f
Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
38 #else |
ae6e6b73333f
Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
39 #define _PATH_DEV_DSP "/dev/dsp" |
ae6e6b73333f
Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
40 #endif |
0 | 41 #endif |
42 #ifndef _PATH_DEV_DSP24 | |
43 #define _PATH_DEV_DSP24 "/dev/sound/dsp" | |
44 #endif | |
45 #ifndef _PATH_DEV_AUDIO | |
46 #define _PATH_DEV_AUDIO "/dev/audio" | |
47 #endif | |
48 | |
49 | |
50 int SDL_OpenAudioPath(char *path, int maxlen, int flags, int classic) | |
51 { | |
52 const char *audiodev; | |
53 int audio_fd; | |
54 char audiopath[1024]; | |
55 | |
56 /* Figure out what our audio device is */ | |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
57 if ( ((audiodev=SDL_getenv("SDL_PATH_DSP")) == NULL) && |
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
58 ((audiodev=SDL_getenv("AUDIODEV")) == NULL) ) { |
0 | 59 if ( classic ) { |
60 audiodev = _PATH_DEV_AUDIO; | |
61 } else { | |
62 struct stat sb; | |
63 | |
64 /* Added support for /dev/sound/\* in Linux 2.4 */ | |
1138
fcfb783a3ca2
Commercial-OSS-on-Solaris patch...
Ryan C. Gordon <icculus@icculus.org>
parents:
1035
diff
changeset
|
65 if ( ((stat("/dev/sound", &sb) == 0) && S_ISDIR(sb.st_mode)) && |
fcfb783a3ca2
Commercial-OSS-on-Solaris patch...
Ryan C. Gordon <icculus@icculus.org>
parents:
1035
diff
changeset
|
66 ((stat(_PATH_DEV_DSP24, &sb) == 0) && S_ISCHR(sb.st_mode)) ) { |
0 | 67 audiodev = _PATH_DEV_DSP24; |
68 } else { | |
69 audiodev = _PATH_DEV_DSP; | |
70 } | |
71 } | |
72 } | |
73 audio_fd = open(audiodev, flags, 0); | |
74 | |
75 /* If the first open fails, look for other devices */ | |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
76 if ( (audio_fd < 0) && (SDL_strlen(audiodev) < (sizeof(audiopath)-3)) ) { |
0 | 77 int exists, instance; |
78 struct stat sb; | |
79 | |
80 instance = 1; | |
81 do { /* Don't use errno ENOENT - it may not be thread-safe */ | |
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
82 SDL_snprintf(audiopath, SDL_arraysize(audiopath), |
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
83 "%s%d", audiodev, instance++); |
0 | 84 exists = 0; |
85 if ( stat(audiopath, &sb) == 0 ) { | |
86 exists = 1; | |
87 audio_fd = open(audiopath, flags, 0); | |
88 } | |
89 } while ( exists && (audio_fd < 0) ); | |
90 audiodev = audiopath; | |
91 } | |
92 if ( path != NULL ) { | |
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
93 SDL_strlcpy(path, audiodev, maxlen); |
0 | 94 path[maxlen-1] = '\0'; |
95 } | |
96 return(audio_fd); | |
97 } | |
98 | |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
99 #elif SDL_AUDIO_DRIVER_PAUD |
0 | 100 |
101 /* Get the name of the audio device we use for output */ | |
102 | |
103 #include <sys/types.h> | |
104 #include <sys/stat.h> | |
105 | |
1358
c71e05b4dc2e
More header massaging... works great on Windows. ;-)
Sam Lantinga <slouken@libsdl.org>
parents:
1338
diff
changeset
|
106 #include "SDL_stdinc.h" |
0 | 107 #include "SDL_audiodev_c.h" |
108 | |
109 #ifndef _PATH_DEV_DSP | |
110 #define _PATH_DEV_DSP "/dev/%caud%c/%c" | |
111 #endif | |
112 | |
113 char devsettings[][3] = | |
114 { | |
115 { 'p', '0', '1' }, { 'p', '0', '2' }, { 'p', '0', '3' }, { 'p', '0', '4' }, | |
116 { 'p', '1', '1' }, { 'p', '1', '2' }, { 'p', '1', '3' }, { 'p', '1', '4' }, | |
117 { 'p', '2', '1' }, { 'p', '2', '2' }, { 'p', '2', '3' }, { 'p', '2', '4' }, | |
118 { 'p', '3', '1' }, { 'p', '3', '2' }, { 'p', '3', '3' }, { 'p', '3', '4' }, | |
119 { 'b', '0', '1' }, { 'b', '0', '2' }, { 'b', '0', '3' }, { 'b', '0', '4' }, | |
120 { 'b', '1', '1' }, { 'b', '1', '2' }, { 'b', '1', '3' }, { 'b', '1', '4' }, | |
121 { 'b', '2', '1' }, { 'b', '2', '2' }, { 'b', '2', '3' }, { 'b', '2', '4' }, | |
122 { 'b', '3', '1' }, { 'b', '3', '2' }, { 'b', '3', '3' }, { 'b', '3', '4' }, | |
123 { '\0', '\0', '\0' } | |
124 }; | |
125 | |
126 static int OpenUserDefinedDevice(char *path, int maxlen, int flags) | |
127 { | |
128 const char *audiodev; | |
129 int audio_fd; | |
130 | |
131 /* Figure out what our audio device is */ | |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
132 if ((audiodev=SDL_getenv("SDL_PATH_DSP")) == NULL) { |
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
133 audiodev=SDL_getenv("AUDIODEV"); |
0 | 134 } |
135 if ( audiodev == NULL ) { | |
136 return -1; | |
137 } | |
138 audio_fd = open(audiodev, flags, 0); | |
139 if ( path != NULL ) { | |
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
140 SDL_strlcpy(path, audiodev, maxlen); |
0 | 141 path[maxlen-1] = '\0'; |
142 } | |
143 return audio_fd; | |
144 } | |
145 | |
146 int SDL_OpenAudioPath(char *path, int maxlen, int flags, int classic) | |
147 { | |
148 struct stat sb; | |
149 int audio_fd; | |
150 char audiopath[1024]; | |
151 int cycle; | |
152 | |
153 audio_fd = OpenUserDefinedDevice(path,maxlen,flags); | |
154 if ( audio_fd != -1 ) { | |
155 return audio_fd; | |
156 } | |
157 | |
158 cycle = 0; | |
159 while( devsettings[cycle][0] != '\0' ) { | |
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
160 SDL_snprintf( audiopath, SDL_arraysize(audiopath), |
0 | 161 _PATH_DEV_DSP, |
162 devsettings[cycle][0], | |
163 devsettings[cycle][1], | |
164 devsettings[cycle][2]); | |
165 | |
166 if ( stat(audiopath, &sb) == 0 ) { | |
167 audio_fd = open(audiopath, flags, 0); | |
168 if ( audio_fd > 0 ) { | |
169 if ( path != NULL ) { | |
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
170 SDL_strlcpy( path, audiopath, maxlen ); |
0 | 171 } |
172 return audio_fd; | |
173 } | |
174 } | |
175 } | |
176 return -1; | |
177 } | |
178 | |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
179 #endif /* Audio driver selection */ |