Mercurial > sdl-ios-xcode
annotate src/audio/arts/SDL_artsaudio.c @ 2150:abbe2c1dcf0a
Fixed bug #77
If the ARB pixel format selection fails, use a version of ChoosePixelFormat() that doesn't return a less capable format than was requested.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Thu, 05 Jul 2007 06:14:26 +0000 |
parents | e1a70460c354 |
children | 31269eb74914 |
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:
956
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:
956
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:
956
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:
956
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:
956
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:
956
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:
956
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:
0
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 /* Allow access to a raw mixing buffer */ | |
25 | |
1358
c71e05b4dc2e
More header massaging... works great on Windows. ;-)
Sam Lantinga <slouken@libsdl.org>
parents:
1338
diff
changeset
|
26 #include "SDL_timer.h" |
0 | 27 #include "SDL_audio.h" |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
28 #include "../SDL_audiomem.h" |
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
29 #include "../SDL_audio_c.h" |
0 | 30 #include "SDL_artsaudio.h" |
31 | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
32 #ifdef SDL_AUDIO_DRIVER_ARTS_DYNAMIC |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
33 #include "SDL_name.h" |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
34 #include "SDL_loadso.h" |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
35 #else |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
36 #define SDL_NAME(X) X |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
37 #endif |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
38 |
0 | 39 /* The tag name used by artsc audio */ |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
40 #define ARTS_DRIVER_NAME "arts" |
0 | 41 |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
42 #ifdef SDL_AUDIO_DRIVER_ARTS_DYNAMIC |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
43 |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
44 static const char *arts_library = SDL_AUDIO_DRIVER_ARTS_DYNAMIC; |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
45 static void *arts_handle = NULL; |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
46 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
47 /* !!! FIXME: I hate this SDL_NAME clutter...it makes everything so messy! */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
48 static int (*SDL_NAME(arts_init)) (void); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
49 static void (*SDL_NAME(arts_free)) (void); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
50 static arts_stream_t(*SDL_NAME(arts_play_stream)) (int rate, int bits, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
51 int channels, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
52 const char *name); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
53 static int (*SDL_NAME(arts_stream_set)) (arts_stream_t s, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
54 arts_parameter_t param, int value); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
55 static int (*SDL_NAME(arts_stream_get)) (arts_stream_t s, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
56 arts_parameter_t param); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
57 static int (*SDL_NAME(arts_write)) (arts_stream_t s, const void *buffer, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
58 int count); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
59 static void (*SDL_NAME(arts_close_stream)) (arts_stream_t s); |
2141 | 60 static int (*SDL_NAME(arts_suspended)) (void); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
61 static const char *(*SDL_NAME(arts_error_text)) (int errorcode); |
301
fb4c4c6a2773
Fixed dynamic arts support.
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
62 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
63 #define SDL_ARTS_SYM(x) { #x, (void **) (char *) &SDL_NAME(x) } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
64 static struct |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
65 { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
66 const char *name; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
67 void **func; |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
68 } arts_functions[] = { |
2141 | 69 /* *INDENT-OFF* */ |
70 SDL_ARTS_SYM(arts_init), | |
71 SDL_ARTS_SYM(arts_free), | |
72 SDL_ARTS_SYM(arts_play_stream), | |
73 SDL_ARTS_SYM(arts_stream_set), | |
74 SDL_ARTS_SYM(arts_stream_get), | |
75 SDL_ARTS_SYM(arts_write), | |
76 SDL_ARTS_SYM(arts_close_stream), | |
77 SDL_ARTS_SYM(arts_suspended), | |
78 SDL_ARTS_SYM(arts_error_text), | |
79 /* *INDENT-ON* */ | |
2121
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
80 }; |
2141 | 81 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
82 #undef SDL_ARTS_SYM |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
83 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
84 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
85 UnloadARTSLibrary() |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
86 { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
87 if (arts_handle != NULL) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
88 SDL_UnloadObject(arts_handle); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
89 arts_handle = NULL; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
90 } |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
91 } |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
92 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
93 static int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
94 LoadARTSLibrary(void) |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
95 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
96 int i, retval = -1; |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
97 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
98 if (arts_handle == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
99 arts_handle = SDL_LoadObject(arts_library); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
100 if (arts_handle != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
101 retval = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
102 for (i = 0; i < SDL_arraysize(arts_functions); ++i) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
103 *arts_functions[i].func = |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
104 SDL_LoadFunction(arts_handle, arts_functions[i].name); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
105 if (!*arts_functions[i].func) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
106 retval = -1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
107 UnloadARTSLibrary(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
108 break; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
109 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
110 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
111 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
112 } |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
113 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
114 return retval; |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
115 } |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
116 |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
117 #else |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
118 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
119 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
120 UnloadARTSLibrary() |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
121 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
122 return; |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
123 } |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
124 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
125 static int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
126 LoadARTSLibrary(void) |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
127 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
128 return 0; |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
129 } |
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
130 |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
131 #endif /* SDL_AUDIO_DRIVER_ARTS_DYNAMIC */ |
294
d2d48e10f370
Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
132 |
0 | 133 /* This function waits until it is possible to write a full sound buffer */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
134 static void |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
135 ARTS_WaitDevice(_THIS) |
0 | 136 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
137 Sint32 ticks; |
0 | 138 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
139 /* Check to see if the thread-parent process is still alive */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
140 { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
141 static int cnt = 0; |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
142 /* Note that this only works with thread implementations |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
143 that use a different process id for each thread. |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
144 */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
145 /* Check every 10 loops */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
146 if (this->hidden->parent && (((++cnt) % 10) == 0)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
147 if (kill(this->hidden->parent, 0) < 0) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
148 this->enabled = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
149 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
150 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
151 } |
0 | 152 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
153 /* Use timer for general audio synchronization */ |
2060 | 154 ticks = |
155 ((Sint32) (this->hidden->next_frame - SDL_GetTicks())) - FUDGE_TICKS; | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
156 if (ticks > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
157 SDL_Delay(ticks); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
158 } |
0 | 159 } |
160 | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
161 static void |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
162 ARTS_PlayDevice(_THIS) |
0 | 163 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
164 /* Write the audio data */ |
2060 | 165 int written = SDL_NAME(arts_write) (this->hidden->stream, |
166 this->hidden->mixbuf, | |
167 this->hidden->mixlen); | |
0 | 168 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
169 /* If timer synchronization is enabled, set the next write frame */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
170 if (this->hidden->frame_ticks) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
171 this->hidden->next_frame += this->hidden->frame_ticks; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
172 } |
0 | 173 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
174 /* If we couldn't write, assume fatal error for now */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
175 if (written < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
176 this->enabled = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
177 } |
0 | 178 #ifdef DEBUG_AUDIO |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
179 fprintf(stderr, "Wrote %d bytes of audio data\n", written); |
0 | 180 #endif |
181 } | |
182 | |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
183 static void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
184 ARTS_WaitDone(_THIS) |
0 | 185 { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
186 /* !!! FIXME: camp here until buffer drains... SDL_Delay(???); */ |
0 | 187 } |
188 | |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
189 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
190 static Uint8 * |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
191 ARTS_GetDeviceBuf(_THIS) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
192 { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
193 return (this->hidden->mixbuf); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
194 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
195 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
196 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
197 static void |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
198 ARTS_CloseDevice(_THIS) |
0 | 199 { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
200 if (this->hidden != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
201 if (this->hidden->mixbuf != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
202 SDL_FreeAudioMem(this->hidden->mixbuf); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
203 this->hidden->mixbuf = NULL; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
204 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
205 if (this->hidden->stream) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
206 SDL_NAME(arts_close_stream) (this->hidden->stream); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
207 this->hidden->stream = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
208 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
209 SDL_NAME(arts_free) (); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
210 SDL_free(this->hidden); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
211 this->hidden = NULL; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
212 } |
0 | 213 } |
214 | |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
215 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
216 static int |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
217 ARTS_OpenDevice(_THIS, const char *devname, int iscapture) |
0 | 218 { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
219 int rc = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
220 int bits = 0, frag_spec = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
221 SDL_AudioFormat test_format = 0, format = 0; |
0 | 222 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
223 /* Initialize all variables that we clean on shutdown */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
224 this->hidden = (struct SDL_PrivateAudioData *) |
2060 | 225 SDL_malloc((sizeof *this->hidden)); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
226 if (this->hidden == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
227 SDL_OutOfMemory(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
228 return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
229 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
230 SDL_memset(this->hidden, 0, (sizeof *this->hidden)); |
0 | 231 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
232 /* Try for a closest match on audio format */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
233 for (test_format = SDL_FirstAudioFormat(this->spec.format); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
234 !format && test_format;) { |
0 | 235 #ifdef DEBUG_AUDIO |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
236 fprintf(stderr, "Trying format 0x%4.4x\n", test_format); |
0 | 237 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
238 switch (test_format) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
239 case AUDIO_U8: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
240 bits = 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
241 format = 1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
242 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
243 case AUDIO_S16LSB: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
244 bits = 16; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
245 format = 1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
246 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
247 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
248 format = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
249 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
250 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
251 if (!format) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
252 test_format = SDL_NextAudioFormat(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
253 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
254 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
255 if (format == 0) { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
256 ARTS_CloseDevice(this); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
257 SDL_SetError("Couldn't find any hardware audio formats"); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
258 return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
259 } |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
260 this->spec.format = test_format; |
0 | 261 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
262 if ((rc = SDL_NAME(arts_init) ()) != 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
263 ARTS_CloseDevice(this); |
2060 | 264 SDL_SetError("Unable to initialize ARTS: %s", |
265 SDL_NAME(arts_error_text) (rc)); | |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
266 return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
267 } |
2121
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
268 |
2141 | 269 if (!SDL_NAME(arts_suspended) ()) { |
2121
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
270 ARTS_CloseDevice(this); |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
271 SDL_SetError("ARTS can not open audio device"); |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
272 return 0; |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
273 } |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
274 |
2060 | 275 this->hidden->stream = SDL_NAME(arts_play_stream) (this->spec.freq, |
276 bits, | |
277 this->spec.channels, | |
278 "SDL"); | |
0 | 279 |
2121
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
280 /* Play nothing so we have at least one write (server bug workaround). */ |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
281 SDL_NAME(arts_write) (this->hidden->stream, "", 0); |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
282 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
283 /* Calculate the final parameters for this audio specification */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
284 SDL_CalculateAudioSpec(&this->spec); |
0 | 285 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
286 /* Determine the power of two of the fragment size */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
287 for (frag_spec = 0; (0x01 << frag_spec) < this->spec.size; ++frag_spec); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
288 if ((0x01 << frag_spec) != this->spec.size) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
289 ARTS_CloseDevice(this); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
290 SDL_SetError("Fragment size must be a power of two"); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
291 return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
292 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
293 frag_spec |= 0x00020000; /* two fragments, for low latency */ |
0 | 294 |
295 #ifdef ARTS_P_PACKET_SETTINGS | |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
296 SDL_NAME(arts_stream_set) (this->hidden->stream, |
2060 | 297 ARTS_P_PACKET_SETTINGS, frag_spec); |
0 | 298 #else |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
299 SDL_NAME(arts_stream_set) (this->hidden->stream, ARTS_P_PACKET_SIZE, |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
300 frag_spec & 0xffff); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
301 SDL_NAME(arts_stream_set) (this->hidden->stream, ARTS_P_PACKET_COUNT, |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
302 frag_spec >> 16); |
0 | 303 #endif |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
304 this->spec.size = SDL_NAME(arts_stream_get) (this->hidden->stream, |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
305 ARTS_P_PACKET_SIZE); |
0 | 306 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
307 /* Allocate mixing buffer */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
308 this->hidden->mixlen = this->spec.size; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
309 this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
310 if (this->hidden->mixbuf == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
311 ARTS_CloseDevice(this); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
312 SDL_OutOfMemory(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
313 return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
314 } |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
315 SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size); |
0 | 316 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
317 /* Get the parent process id (we're the parent of the audio thread) */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
318 this->hidden->parent = getpid(); |
0 | 319 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
320 /* We're ready to rock and roll. :-) */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
321 return 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
322 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
323 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
324 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
325 static void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
326 ARTS_Deinitialize(void) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
327 { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
328 UnloadARTSLibrary(); |
0 | 329 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
330 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
331 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
332 static int |
2060 | 333 ARTS_Init(SDL_AudioDriverImpl * impl) |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
334 { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
335 if (LoadARTSLibrary() < 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
336 return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
337 } else { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
338 if (SDL_NAME(arts_init) () != 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
339 UnloadARTSLibrary(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
340 SDL_SetError("ARTS: arts_init failed (no audio server?)"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
341 return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
342 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
343 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
344 /* Play a stream so aRts doesn't crash */ |
2141 | 345 if (SDL_NAME(arts_suspended) ()) { |
2121
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
346 arts_stream_t stream; |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
347 stream = SDL_NAME(arts_play_stream) (44100, 16, 2, "SDL"); |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
348 SDL_NAME(arts_write) (stream, "", 0); |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
349 SDL_NAME(arts_close_stream) (stream); |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
350 } |
85ed90a755fa
Reworked r3067:3068 from branches/SDL-1.2: arts unavailable hardware bug fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2060
diff
changeset
|
351 |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
352 SDL_NAME(arts_free) (); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
353 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
354 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
355 /* Set the function pointers */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
356 impl->OpenDevice = ARTS_OpenDevice; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
357 impl->PlayDevice = ARTS_PlayDevice; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
358 impl->WaitDevice = ARTS_WaitDevice; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
359 impl->GetDeviceBuf = ARTS_GetDeviceBuf; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
360 impl->CloseDevice = ARTS_CloseDevice; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
361 impl->WaitDone = ARTS_WaitDone; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
362 impl->Deinitialize = ARTS_Deinitialize; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
363 impl->OnlyHasDefaultOutputDevice = 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
364 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
365 return 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
366 } |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
367 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
368 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
369 AudioBootStrap ARTS_bootstrap = { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
370 ARTS_DRIVER_NAME, "Analog RealTime Synthesizer", ARTS_Init, 0 |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
371 }; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
372 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
373 /* vi: set ts=4 sw=4 expandtab: */ |