Mercurial > sdl-ios-xcode

annotate src/audio/mint/SDL_mintaudio_stfa.c @ 3843:ce229f6b5ce0 SDL-ryan-multiple-audio-device

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added a FIXME.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 17 Oct 2006 06:42:06 +0000
parents 1f156fd874fa
children 66fb40445587
rev   line source
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
1 /*
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
769
b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents: 704
diff changeset
3 Copyright (C) 1997-2004 Sam Lantinga
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
4
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
9
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
13 Library General Public License for more details.
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
14
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
16 License along with this library; if not, write to the Free
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
18
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
19 Sam Lantinga
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
20 slouken@libsdl.org
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1395
diff changeset
22 #include "SDL_config.h"
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
23
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
24 /*
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
25 MiNT audio driver
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
26 using XBIOS functions (STFA driver)
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
27
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
28 Patrice Mandin
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
29 */
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
30
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
31 /* Mint includes */
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
32 #include <mint/osbind.h>
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
33 #include <mint/falcon.h>
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
34 #include <mint/cookie.h>
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
35
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
36 #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
37 #include "../SDL_audio_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
38 #include "../SDL_sysaudio.h"
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
39
1412
a8181c4040b8 Fixed include files
Patrice Mandin <patmandin@gmail.com>
parents: 1402
diff changeset
40 #include "../../video/ataricommon/SDL_atarimxalloc_c.h"
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
41
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
42 #include "SDL_mintaudio.h"
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
43 #include "SDL_mintaudio_stfa.h"
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
44
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
45 /*--- Defines ---*/
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
46
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
47 #define MINT_AUDIO_DRIVER_NAME "mint_stfa"
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
48
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
49 /* Debug print info */
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
50 #define DEBUG_NAME "audio:stfa: "
962
176240cf4405 Forgot to disable debug messages
Patrice Mandin <patmandin@gmail.com>
parents: 961
diff changeset
51 #if 0
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
52 #define DEBUG_PRINT(what) \
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
53 { \
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
54 printf what; \
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
55 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
56 #else
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
57 #define DEBUG_PRINT(what)
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
58 #endif
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
59
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
60 /*--- Static variables ---*/
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
61
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
62 static unsigned long cookie_snd = 0;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
63 static unsigned long cookie_mch = 0;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
64 static cookie_stfa_t *cookie_stfa = NULL;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
65
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
66 static const int freqs[16] = {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
67 4995, 6269, 7493, 8192,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
68 9830, 10971, 12538, 14985,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
69 16384, 19819, 21943, 24576,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
70 30720, 32336, 43885, 49152
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
71 };
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
72
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
73 static int
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
74 MINTSTFA_Available(void)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
75 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
76 /* Cookie _MCH present ? if not, assume ST machine */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
77 if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
78 cookie_mch = MCH_ST;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
79 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
80
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
81 /* Cookie _SND present ? if not, assume ST machine */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
82 if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
83 cookie_snd = SND_PSG;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
84 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
85
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
86 /* Cookie STFA present ? */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
87 if (Getcookie(C_STFA, (long *) &cookie_stfa) != C_FOUND) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
88 DEBUG_PRINT((DEBUG_NAME "no STFA audio\n"));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
89 return (0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
90 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
91
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
92 SDL_MintAudio_stfa = cookie_stfa;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
93
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
94 DEBUG_PRINT((DEBUG_NAME "STFA audio available!\n"));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
95 return (1);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
96 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
97
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
98 static void
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
99 MINTSTFA_LockDevice(_THIS)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
100 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
101 /* Stop replay */
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
102 void *oldpile = (void *) Super(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: 1412
diff changeset
103 cookie_stfa->sound_enable = STFA_PLAY_DISABLE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
104 Super(oldpile);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
105 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
106
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
107 static void
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
108 MINTSTFA_UnlockDevice(_THIS)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
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: 1412
diff changeset
110 /* Restart replay */
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
111 void *oldpile = (void *) Super(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: 1412
diff changeset
112 cookie_stfa->sound_enable = STFA_PLAY_ENABLE | STFA_PLAY_REPEAT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
113 Super(oldpile);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
114 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
115
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
116 static void
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
117 MINTSTFA_CloseDevice(_THIS)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
118 {
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
119 if (this->hidden != NULL) {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
120 /* Stop replay */
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
121 void *oldpile = (void *) Super(0);
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
122 cookie_stfa->sound_enable = STFA_PLAY_DISABLE;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
123 Super(oldpile);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
124
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
125 /* Wait if currently playing sound */
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
126 while (SDL_MintAudio_mutex != 0) {}
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
127
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
128 /* Clear buffers */
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
129 if (SDL_MintAudio_audiobuf[0]) {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
130 Mfree(SDL_MintAudio_audiobuf[0]);
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
131 SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
132 }
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
133
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
134 SDL_free(this->hidden);
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
135 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: 1412
diff changeset
136 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
137 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
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: 1412
diff changeset
139 static int
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
140 MINTSTFA_CheckAudio(_THIS)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
141 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
142 int i;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
143
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2027
diff changeset
144 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
145 SDL_AUDIO_BITSIZE(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
146 DEBUG_PRINT(("float=%d, ", SDL_AUDIO_ISFLOAT(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
147 DEBUG_PRINT(("signed=%d, ", SDL_AUDIO_ISSIGNED(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
148 DEBUG_PRINT(("big endian=%d, ", SDL_AUDIO_ISBIGENDIAN(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
149 DEBUG_PRINT(("channels=%d, ", this->spec.channels));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
150 DEBUG_PRINT(("freq=%d\n", this->spec.freq));
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
151
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
152 if (SDL_AUDIO_BITSIZE(this->spec.format) > 16) {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
153 this->spec.format = AUDIO_S16SYS; /* clamp out int32/float32 ... */
2005
45af7d69f8eb MiNT audio driver cleanups for clamping types and channels to supported
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
154 }
45af7d69f8eb MiNT audio driver cleanups for clamping types and channels to supported
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
155
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
156 if (this->spec.channels > 2) {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
157 this->spec.channels = 2; /* no more than stereo! */
2005
45af7d69f8eb MiNT audio driver cleanups for clamping types and channels to supported
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
158 }
45af7d69f8eb MiNT audio driver cleanups for clamping types and channels to supported
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
159
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
160 /* Check formats available */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
161 MINTAUDIO_freqcount = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
162 for (i = 0; i < 16; i++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
163 SDL_MintAudio_AddFrequency(this, freqs[i], 0, i, -1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
164 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
165
961
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
166 #if 1
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
167 for (i = 0; i < MINTAUDIO_freqcount; i++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
168 DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
169 i, MINTAUDIO_frequencies[i].frequency,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
170 MINTAUDIO_frequencies[i].masterclock,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
171 MINTAUDIO_frequencies[i].predivisor));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
172 }
961
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
173 #endif
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
174
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
175 MINTAUDIO_numfreq = SDL_MintAudio_SearchFrequency(this, this->spec.freq);
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
176 this->spec.freq = MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
177
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2027
diff changeset
178 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
179 SDL_AUDIO_BITSIZE(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
180 DEBUG_PRINT(("float=%d, ", SDL_AUDIO_ISFLOAT(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
181 DEBUG_PRINT(("signed=%d, ", SDL_AUDIO_ISSIGNED(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
182 DEBUG_PRINT(("big endian=%d, ", SDL_AUDIO_ISBIGENDIAN(this->spec.format)));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
183 DEBUG_PRINT(("channels=%d, ", this->spec.channels));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
184 DEBUG_PRINT(("freq=%d\n", this->spec.freq));
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
185
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
186 return 0;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
187 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
188
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
189 static void
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
190 MINTSTFA_InitAudio(_THIS)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
191 {
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
192 void *buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
193 void *oldpile = (void *) Super(0);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
194
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
195 /* Stop replay */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
196 cookie_stfa->sound_enable = STFA_PLAY_DISABLE;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
197
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
198 /* Select replay format */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
199 cookie_stfa->sound_control =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
200 MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor;
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
201 if (SDL_AUDIO_BITSIZE(this->spec.format) == 8) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
202 cookie_stfa->sound_control |= STFA_FORMAT_8BIT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
203 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
204 cookie_stfa->sound_control |= STFA_FORMAT_16BIT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
205 }
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
206 if (this->spec.channels == 2) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
207 cookie_stfa->sound_control |= STFA_FORMAT_STEREO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
208 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
209 cookie_stfa->sound_control |= STFA_FORMAT_MONO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
210 }
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
211 if (SDL_AUDIO_ISSIGNED(this->spec.format) != 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: 1412
diff changeset
212 cookie_stfa->sound_control |= STFA_FORMAT_SIGNED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
213 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
214 cookie_stfa->sound_control |= STFA_FORMAT_UNSIGNED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
215 }
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
216 if (SDL_AUDIO_ISBIGENDIAN(this->spec.format) != 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: 1412
diff changeset
217 cookie_stfa->sound_control |= STFA_FORMAT_BIGENDIAN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
218 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
219 cookie_stfa->sound_control |= STFA_FORMAT_LITENDIAN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
220 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
221
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
222 /* Set buffer */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
223 cookie_stfa->sound_start = (unsigned long) buffer;
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
224 cookie_stfa->sound_end = (unsigned long) (buffer + this->spec.size);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
225
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
226 /* Set interrupt */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
227 cookie_stfa->stfa_it = SDL_MintAudio_StfaInterrupt;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
228
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
229 /* Restart replay */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
230 cookie_stfa->sound_enable = STFA_PLAY_ENABLE | STFA_PLAY_REPEAT;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
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: 1412
diff changeset
232 Super(oldpile);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
233
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
234 DEBUG_PRINT((DEBUG_NAME "hardware initialized\n"));
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
235 }
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
236
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
237 static int
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
238 MINTSTFA_OpenDevice(_THIS, const char *devname, int iscapture)
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
239 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
240 SDL_MintAudio_device = this;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
241
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
242 /* Check audio capabilities */
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
243 if (MINTSTFA_CheckAudio(this) == -1) {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
244 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: 1412
diff changeset
245 }
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
246
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
247 /* Initialize all variables that we clean on shutdown */
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
248 this->hidden = (struct SDL_PrivateAudioData *)
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
249 SDL_malloc((sizeof *this->hidden));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
250 if (this->hidden == NULL) {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
251 SDL_OutOfMemory();
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
252 return 0;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
253 }
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
254 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
255
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
256 SDL_CalculateAudioSpec(&this->spec);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
257
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
258 /* Allocate memory for audio buffers in DMA-able RAM */
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
259 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", this->spec.size));
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
260
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
261 SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(this->spec.size * 2, MX_STRAM);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
262 if (SDL_MintAudio_audiobuf[0] == NULL) {
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
263 SDL_OutOfMemory()
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
264 SDL_free(this->hidden);
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
265 this->hidden = NULL;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
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: 1412
diff changeset
267 }
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
268 SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + this->spec.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: 1412
diff changeset
269 SDL_MintAudio_numbuf = 0;
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
270 SDL_memset(SDL_MintAudio_audiobuf[0],this->spec.silence,this->spec.size*2);
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
271 SDL_MintAudio_audiosize = this->spec.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: 1412
diff changeset
272 SDL_MintAudio_mutex = 0;
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
273
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
274 DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
275 SDL_MintAudio_audiobuf[0]));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
276 DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
277 SDL_MintAudio_audiobuf[1]));
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
278
2027
d48ead2d2ba5 Save/restore FPU registers in interrupt
Patrice Mandin <patmandin@gmail.com>
parents: 2005
diff changeset
279 SDL_MintAudio_CheckFpu();
d48ead2d2ba5 Save/restore FPU registers in interrupt
Patrice Mandin <patmandin@gmail.com>
parents: 2005
diff changeset
280
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
281 /* Setup audio hardware */
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
282 MINTSTFA_InitAudio(this);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
283
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
284 return 1; /* good to go. */
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
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: 1412
diff changeset
286
3820
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
287
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
288 static int
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
289 MINTSTFA_Init(SDL_AudioDriverImpl *impl)
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
290 {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
291 /* Set the function pointers */
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
292 impl->OpenDevice = MINTSTFA_OpenDevice;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
293 impl->CloseDevice = MINTSTFA_CloseDevice;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
294 impl->LockAudio = MINTSTFA_LockAudio;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
295 impl->UnlockAudio = MINTSTFA_UnlockAudio;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
296 impl->OnlyHasDefaultOutputDevice = 1;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
297 impl->ProvidesOwnCallbackThread = 1;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
298 impl->SkipMixerLock = 1;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
299
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
300 return 1;
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
301 }
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
302
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
303 AudioBootStrap MINTAUDIO_STFA_bootstrap = {
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
304 MINT_AUDIO_DRIVER_NAME, "MiNT STFA audio driver",
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
305 MINTSTFA_Available, MINTSTFA_Init, 0
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
306 };
1f156fd874fa Moved more audio drivers to 1.3 API (all 5 MiNT backends, BSD, IRIX...), and
Ryan C. Gordon <icculus@icculus.org>
parents: 3798
diff changeset
307
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1412
diff changeset
308 /* vi: set ts=4 sw=4 expandtab: */