Mercurial > sdl-ios-xcode
annotate src/audio/mint/SDL_mintaudio_gsxb.c @ 1713:3e66ed1690e4 SDL-1.3
Whoops, forgot to indent
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 26 Jun 2006 14:29:50 +0000 |
parents | 4da1ee79c9af |
children |
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:
1361
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 (GSXB compatible 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 | 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_gsxb.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_gsxb" |
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:gsxb: " |
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 |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
62 static unsigned long cookie_snd, cookie_gsxb; |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
63 |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
64 /*--- Audio driver functions ---*/ |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
65 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
66 static void Mint_CloseAudio(_THIS); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
67 static int Mint_OpenAudio(_THIS, SDL_AudioSpec * spec); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
68 static void Mint_LockAudio(_THIS); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
69 static void Mint_UnlockAudio(_THIS); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
70 |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
71 /* To check/init hardware audio */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
72 static int Mint_CheckAudio(_THIS, SDL_AudioSpec * spec); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
73 static void Mint_InitAudio(_THIS, SDL_AudioSpec * spec); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
74 |
1097
c83fa1c650dd
Move GSXB callback to C source
Patrice Mandin <patmandin@gmail.com>
parents:
962
diff
changeset
|
75 /* GSXB callbacks */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
76 static void Mint_GsxbInterrupt(void); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
77 static void Mint_GsxbNullInterrupt(void); |
1097
c83fa1c650dd
Move GSXB callback to C source
Patrice Mandin <patmandin@gmail.com>
parents:
962
diff
changeset
|
78 |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
79 /*--- Audio driver bootstrap functions ---*/ |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
80 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
81 static int |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
82 Audio_Available(void) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
83 { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
84 const char *envr = SDL_getenv("SDL_AUDIODRIVER"); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
85 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
86 /* Check if user asked a different audio driver */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
87 if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME) != 0)) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
88 DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
89 return (0); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
92 /* Cookie _SND present ? if not, assume ST machine */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
93 if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
94 cookie_snd = SND_PSG; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
95 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
96 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
97 /* Check if we have 16 bits audio */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
98 if ((cookie_snd & SND_16BIT) == 0) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
99 DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
100 return (0); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
101 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
102 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
103 /* Cookie GSXB present ? */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
104 cookie_gsxb = (Getcookie(C_GSXB, &cookie_gsxb) == C_FOUND); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
105 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
106 /* Is it GSXB ? */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
107 if (((cookie_snd & SND_GSXB) == 0) || (cookie_gsxb == 0)) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
108 DEBUG_PRINT((DEBUG_NAME "no GSXB audio\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
109 return (0); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
110 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
111 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
112 /* Check if audio is lockable */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
113 if (Locksnd() != 1) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
114 DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
115 return (0); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
116 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
117 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
118 Unlocksnd(); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
119 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
120 DEBUG_PRINT((DEBUG_NAME "GSXB audio available!\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
121 return (1); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
122 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
123 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
124 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
125 Audio_DeleteDevice(SDL_AudioDevice * device) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
126 { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
127 SDL_free(device->hidden); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
128 SDL_free(device); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
129 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
130 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
131 static SDL_AudioDevice * |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
132 Audio_CreateDevice(int devindex) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
133 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
134 SDL_AudioDevice *this; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
135 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
136 /* Initialize all variables that we clean on shutdown */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
137 this = (SDL_AudioDevice *) SDL_malloc(sizeof(SDL_AudioDevice)); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
138 if (this) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
139 SDL_memset(this, 0, (sizeof *this)); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
140 this->hidden = (struct SDL_PrivateAudioData *) |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
141 SDL_malloc((sizeof *this->hidden)); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
142 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
143 if ((this == NULL) || (this->hidden == NULL)) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
144 SDL_OutOfMemory(); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
145 if (this) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
146 SDL_free(this); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
147 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
148 return (0); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
149 } |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
150 SDL_memset(this->hidden, 0, (sizeof *this->hidden)); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
151 |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
152 /* Set the function pointers */ |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
153 this->OpenAudio = Mint_OpenAudio; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
154 this->CloseAudio = Mint_CloseAudio; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
155 this->LockAudio = Mint_LockAudio; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
156 this->UnlockAudio = Mint_UnlockAudio; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
157 this->free = Audio_DeleteDevice; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
158 |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
159 return this; |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
160 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
161 |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
162 AudioBootStrap MINTAUDIO_GSXB_bootstrap = { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
163 MINT_AUDIO_DRIVER_NAME, "MiNT GSXB audio driver", |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
164 Audio_Available, Audio_CreateDevice |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
165 }; |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
166 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
167 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
168 Mint_LockAudio(_THIS) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
169 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
170 /* Stop replay */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
171 Buffoper(0); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
172 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
173 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
174 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
175 Mint_UnlockAudio(_THIS) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
176 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
177 /* Restart replay */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
178 Buffoper(SB_PLA_ENA | SB_PLA_RPT); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
179 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
180 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
181 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
182 Mint_CloseAudio(_THIS) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
183 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
184 /* Stop replay */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
185 Buffoper(0); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
186 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
187 /* Uninstall interrupt */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
188 if (NSetinterrupt(2, SI_NONE, Mint_GsxbNullInterrupt) < 0) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
189 DEBUG_PRINT((DEBUG_NAME "NSetinterrupt() failed in close\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
190 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
191 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
192 /* Wait if currently playing sound */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
193 while (SDL_MintAudio_mutex != 0) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
194 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
195 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
196 /* Clear buffers */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
197 if (SDL_MintAudio_audiobuf[0]) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
198 Mfree(SDL_MintAudio_audiobuf[0]); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
199 SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
200 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
201 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
202 /* Unlock sound system */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
203 Unlocksnd(); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
204 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
205 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
206 static int |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
207 Mint_CheckAudio(_THIS, SDL_AudioSpec * spec) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
208 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
209 long snd_format; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
210 int i, resolution, format_signed, format_bigendian; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
211 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
212 resolution = spec->format & 0x00ff; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
213 format_signed = ((spec->format & 0x8000) != 0); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
214 format_bigendian = ((spec->format & 0x1000) != 0); |
704 | 215 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
216 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ", spec->format & 0x00ff)); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
217 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000) != 0))); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
218 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000) != 0))); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
219 DEBUG_PRINT(("channels=%d, ", spec->channels)); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
220 DEBUG_PRINT(("freq=%d\n", spec->freq)); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
221 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
222 /* Check formats available */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
223 snd_format = Sndstatus(SND_QUERYFORMATS); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
224 switch (resolution) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
225 case 8: |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
226 if ((snd_format & SND_FORMAT8) == 0) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
227 SDL_SetError("Mint_CheckAudio: 8 bits samples not supported"); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
228 return -1; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
229 } |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
230 snd_format = Sndstatus(SND_QUERY8BIT); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
231 break; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
232 case 16: |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
233 if ((snd_format & SND_FORMAT16) == 0) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
234 SDL_SetError("Mint_CheckAudio: 16 bits samples not supported"); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
235 return -1; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
236 } |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
237 snd_format = Sndstatus(SND_QUERY16BIT); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
238 break; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
239 default: |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
240 SDL_SetError("Mint_CheckAudio: Unsupported sample resolution"); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
241 return -1; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
242 break; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
243 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
244 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
245 /* Check signed/unsigned format */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
246 if (format_signed) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
247 if (snd_format & SND_FORMATSIGNED) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
248 /* Ok */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
249 } else if (snd_format & SND_FORMATUNSIGNED) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
250 /* Give unsigned format */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
251 spec->format = spec->format & (~0x8000); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
252 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
253 } else { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
254 if (snd_format & SND_FORMATUNSIGNED) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
255 /* Ok */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
256 } else if (snd_format & SND_FORMATSIGNED) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
257 /* Give signed format */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
258 spec->format |= 0x8000; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
259 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
260 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
261 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
262 if (format_bigendian) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
263 if (snd_format & SND_FORMATBIGENDIAN) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
264 /* Ok */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
265 } else if (snd_format & SND_FORMATLITTLEENDIAN) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
266 /* Give little endian format */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
267 spec->format = spec->format & (~0x1000); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
268 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
269 } else { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
270 if (snd_format & SND_FORMATLITTLEENDIAN) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
271 /* Ok */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
272 } else if (snd_format & SND_FORMATBIGENDIAN) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
273 /* Give big endian format */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
274 spec->format |= 0x1000; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
275 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
276 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
277 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
278 /* Calculate and select the closest frequency */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
279 MINTAUDIO_freqcount = 0; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
280 for (i = 1; i < 4; i++) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
281 SDL_MintAudio_AddFrequency(this, |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
282 MASTERCLOCK_44K / (MASTERPREDIV_MILAN * |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
283 (1 << i)), |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
284 MASTERCLOCK_44K, (1 << i) - 1, -1); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
285 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
286 |
961
185acc07127a
Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents:
769
diff
changeset
|
287 #if 1 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
288 for (i = 0; i < MINTAUDIO_freqcount; i++) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
289 DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n", |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
290 i, MINTAUDIO_frequencies[i].frequency, |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
291 MINTAUDIO_frequencies[i].masterclock, |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
292 MINTAUDIO_frequencies[i].predivisor)); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
293 } |
961
185acc07127a
Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents:
769
diff
changeset
|
294 #endif |
185acc07127a
Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents:
769
diff
changeset
|
295 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
296 MINTAUDIO_numfreq = SDL_MintAudio_SearchFrequency(this, spec->freq); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
297 spec->freq = MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
298 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
299 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ", spec->format & 0x00ff)); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
300 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000) != 0))); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
301 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000) != 0))); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
302 DEBUG_PRINT(("channels=%d, ", spec->channels)); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
303 DEBUG_PRINT(("freq=%d\n", spec->freq)); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
304 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
305 return 0; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
306 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
307 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
308 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
309 Mint_InitAudio(_THIS, SDL_AudioSpec * spec) |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
310 { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
311 int channels_mode, prediv; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
312 void *buffer; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
313 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
314 /* Stop currently playing sound */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
315 Buffoper(0); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
316 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
317 /* Set replay tracks */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
318 Settracks(0, 0); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
319 Setmontracks(0); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
320 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
321 /* Select replay format */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
322 switch (spec->format & 0xff) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
323 case 8: |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
324 if (spec->channels == 2) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
325 channels_mode = STEREO8; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
326 } else { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
327 channels_mode = MONO8; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
328 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
329 break; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
330 case 16: |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
331 if (spec->channels == 2) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
332 channels_mode = STEREO16; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
333 } else { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
334 channels_mode = MONO16; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
335 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
336 break; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
337 default: |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
338 channels_mode = STEREO16; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
339 break; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
340 } |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
341 if (Setmode(channels_mode) < 0) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
342 DEBUG_PRINT((DEBUG_NAME "Setmode() failed\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
343 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
344 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
345 prediv = MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor; |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
346 Devconnect(DMAPLAY, DAC, CLKEXT, prediv, 1); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
347 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
348 /* Set buffer */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
349 buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
350 if (Setbuffer(0, buffer, buffer + spec->size) < 0) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
351 DEBUG_PRINT((DEBUG_NAME "Setbuffer() failed\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
352 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
353 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
354 /* Install interrupt */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
355 if (NSetinterrupt(2, SI_PLAY, Mint_GsxbInterrupt) < 0) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
356 DEBUG_PRINT((DEBUG_NAME "NSetinterrupt() failed\n")); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
357 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
358 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
359 /* Go */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
360 Buffoper(SB_PLA_ENA | SB_PLA_RPT); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
361 DEBUG_PRINT((DEBUG_NAME "hardware initialized\n")); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
362 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
363 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
364 static int |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
365 Mint_OpenAudio(_THIS, SDL_AudioSpec * spec) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
366 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
367 /* Lock sound system */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
368 if (Locksnd() != 1) { |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
369 SDL_SetError("Mint_OpenAudio: Audio system already in use"); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
370 return (-1); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
371 } |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
372 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
373 SDL_MintAudio_device = this; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
374 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
375 /* Check audio capabilities */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
376 if (Mint_CheckAudio(this, spec) == -1) { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
377 return -1; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
378 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
379 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
380 SDL_CalculateAudioSpec(spec); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
381 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
382 /* Allocate memory for audio buffers in DMA-able RAM */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
383 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size)); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
384 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
385 SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size * 2, MX_STRAM); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
386 if (SDL_MintAudio_audiobuf[0] == NULL) { |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
387 SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer"); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
388 return (-1); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
389 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
390 SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + spec->size; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
391 SDL_MintAudio_numbuf = 0; |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
392 SDL_memset(SDL_MintAudio_audiobuf[0], spec->silence, spec->size * 2); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
393 SDL_MintAudio_audiosize = spec->size; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
394 SDL_MintAudio_mutex = 0; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
395 |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
396 DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
397 SDL_MintAudio_audiobuf[0])); |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
398 DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", |
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
399 SDL_MintAudio_audiobuf[1])); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
400 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
401 /* Setup audio hardware */ |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
402 Mint_InitAudio(this, spec); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
403 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
404 return (1); /* We don't use threaded audio */ |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
405 } |
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
406 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
407 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
408 Mint_GsxbInterrupt(void) |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
409 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
410 Uint8 *newbuf; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
411 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
412 if (SDL_MintAudio_mutex) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
413 return; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
414 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
415 SDL_MintAudio_mutex = 1; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
416 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
417 SDL_MintAudio_numbuf ^= 1; |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
418 SDL_MintAudio_Callback(); |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
419 newbuf = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
420 Setbuffer(0, newbuf, newbuf + SDL_MintAudio_audiosize); |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
421 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
422 SDL_MintAudio_mutex = 0; |
644
594422ab8f9f
Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
423 } |
1097
c83fa1c650dd
Move GSXB callback to C source
Patrice Mandin <patmandin@gmail.com>
parents:
962
diff
changeset
|
424 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
425 static void |
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
426 Mint_GsxbNullInterrupt(void) |
1097
c83fa1c650dd
Move GSXB callback to C source
Patrice Mandin <patmandin@gmail.com>
parents:
962
diff
changeset
|
427 { |
c83fa1c650dd
Move GSXB callback to C source
Patrice Mandin <patmandin@gmail.com>
parents:
962
diff
changeset
|
428 } |
c83fa1c650dd
Move GSXB callback to C source
Patrice Mandin <patmandin@gmail.com>
parents:
962
diff
changeset
|
429 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1412
diff
changeset
|
430 /* vi: set ts=4 sw=4 expandtab: */ |