Mercurial > sdl-ios-xcode

annotate src/audio/dmedia/SDL_irixaudio.c @ 4724:d86332c0fb9b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Working on the sound system
author Paul Hunkin <paul@bieh.net>
date Sat, 14 Aug 2010 12:35:21 +1200
parents 4160ba33b597
children b530ef003506
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
3697
f7b03b6838cb Fixed bug #926
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
3 Copyright (C) 1997-2010 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 903
diff changeset
6 modify it under the terms of the GNU Lesser General Public
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 903
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 903
diff changeset
13 Lesser General Public License for more details.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 903
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 903
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 903
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 148
diff changeset
20 slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
22 #include <errno.h>
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
23 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
25 /* Allow access to a raw mixing buffer (For IRIX 6.5 and higher) */
903
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
26 /* patch for IRIX 5 by Georg Schwarz 18/07/2004 */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28 #include "SDL_timer.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
29 #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
30 #include "../SDL_audiomem.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
31 #include "../SDL_audio_c.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32 #include "SDL_irixaudio.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
34
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
35 #ifndef AL_RESOURCE /* as a test whether we use the old IRIX audio libraries */
903
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
36 #define OLD_IRIX_AUDIO
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
37 #define alClosePort(x) ALcloseport(x)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
38 #define alFreeConfig(x) ALfreeconfig(x)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
39 #define alGetFillable(x) ALgetfillable(x)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
40 #define alNewConfig() ALnewconfig()
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
41 #define alOpenPort(x,y,z) ALopenport(x,y,z)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
42 #define alSetChannels(x,y) ALsetchannels(x,y)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
43 #define alSetQueueSize(x,y) ALsetqueuesize(x,y)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
44 #define alSetSampFmt(x,y) ALsetsampfmt(x,y)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
45 #define alSetWidth(x,y) ALsetwidth(x,y)
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
46 #endif
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
47
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
48 void static
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
49 IRIXAUDIO_WaitDevice(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
50 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
51 Sint32 timeleft;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
52
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
53 timeleft = this->spec.samples - alGetFillable(this->hidden->audio_port);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
54 if (timeleft > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
55 timeleft /= (this->spec.freq / 1000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
56 SDL_Delay((Uint32) timeleft);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
57 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
58 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
59
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
60 static void
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
61 IRIXAUDIO_PlayDevice(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
62 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
63 /* Write the audio data out */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
64 ALport port = this->hidden->audio_port;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
65 Uint8 *mixbuf = this->hidden->mixbuf;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
66 if (alWriteFrames(port, mixbuf, this->spec.samples) < 0) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
67 /* Assume fatal error, for now */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
68 this->enabled = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
69 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
70 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
71
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
72 static Uint8 *
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
73 IRIXAUDIO_GetDeviceBuf(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
74 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
75 return (this->hidden->mixbuf);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
76 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
77
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
78 static void
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
79 IRIXAUDIO_CloseDevice(_THIS)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
80 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
81 if (this->hidden != NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
82 if (this->hidden->mixbuf != NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
83 SDL_FreeAudioMem(this->hidden->mixbuf);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
84 this->hidden->mixbuf = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
85 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
86 if (this->hidden->audio_port != NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
87 alClosePort(this->hidden->audio_port);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
88 this->hidden->audio_port = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
89 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
90 SDL_free(this->hidden);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
91 this->hidden = NULL;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
92 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
93 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
94
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
95 static int
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
96 IRIXAUDIO_OpenDevice(_THIS, const char *devname, int iscapture)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
97 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
98 SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
99 long width = 0;
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
100 long fmt = 0;
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
101 int valid = 0;
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
102
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
103 /* !!! FIXME: Handle multiple devices and capture? */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
104
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
105 /* Initialize all variables that we clean on shutdown */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
106 this->hidden = (struct SDL_PrivateAudioData *)
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
107 SDL_malloc((sizeof *this->hidden));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
108 if (this->hidden == NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
109 SDL_OutOfMemory();
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
110 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
111 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
112 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
113
903
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
114 #ifdef OLD_IRIX_AUDIO
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
115 {
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
116 long audio_param[2];
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
117 audio_param[0] = AL_OUTPUT_RATE;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
118 audio_param[1] = this->spec.freq;
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
119 valid = (ALsetparams(AL_DEFAULT_DEVICE, audio_param, 2) < 0);
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
120 }
903
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
121 #else
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
122 {
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
123 ALpv audio_param;
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
124 audio_param.param = AL_RATE;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
125 audio_param.value.i = this->spec.freq;
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
126 valid = (alSetParams(AL_DEFAULT_OUTPUT, &audio_param, 1) < 0);
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
127 }
903
6e6248801043 Date: Sun, 18 Jul 2004 16:46:44 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 605
diff changeset
128 #endif
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
129
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
130 while ((!valid) && (test_format)) {
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
131 valid = 1;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
132 this->spec.format = test_format;
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
133
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
134 switch (test_format) {
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
135 case AUDIO_S8:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
136 width = AL_SAMPLE_8;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
137 fmt = AL_SAMPFMT_TWOSCOMP;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
138 break;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
139
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
140 case AUDIO_S16SYS:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
141 width = AL_SAMPLE_16;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
142 fmt = AL_SAMPFMT_TWOSCOMP;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
143 break;
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
144
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
145 case AUDIO_F32SYS:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
146 width = 0; /* not used here... */
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
147 fmt = AL_SAMPFMT_FLOAT;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
148 break;
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
149
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
150 /* Docs say there is int24, but not int32.... */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
151
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
152 default:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
153 valid = 0;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
154 test_format = SDL_NextAudioFormat();
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2002
diff changeset
155 break;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
156 }
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
157
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
158 if (valid) {
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
159 ALconfig audio_config = alNewConfig();
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
160 valid = 0;
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
161 if (audio_config) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
162 if (alSetChannels(audio_config, this->spec.channels) < 0) {
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
163 if (this->spec.channels > 2) { /* can't handle > stereo? */
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
164 this->spec.channels = 2; /* try again below. */
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
165 }
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
166 }
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
167
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
168 if ((alSetSampFmt(audio_config, fmt) >= 0) &&
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
169 ((!width) || (alSetWidth(audio_config, width) >= 0)) &&
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
170 (alSetQueueSize(audio_config, this->spec.samples * 2) >=
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
171 0)
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
172 && (alSetChannels(audio_config, this->spec.channels) >=
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
173 0)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
174
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
175 this->hidden->audio_port = alOpenPort("SDL audio", "w",
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
176 audio_config);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
177 if (this->hidden->audio_port == NULL) {
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
178 /* docs say AL_BAD_CHANNELS happens here, too. */
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
179 int err = oserror();
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
180 if (err == AL_BAD_CHANNELS) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
181 this->spec.channels = 2;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
182 alSetChannels(audio_config, this->spec.channels);
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
183 this->hidden->audio_port =
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
184 alOpenPort("SDL audio", "w", audio_config);
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
185 }
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
186 }
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
187
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
188 if (this->hidden->audio_port != NULL) {
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
189 valid = 1;
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
190 }
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
191 }
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
192
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
193 alFreeConfig(audio_config);
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
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: 1402
diff changeset
195 }
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
196 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
197
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
198 if (!valid) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
199 IRIXAUDIO_CloseDevice(this);
2002
7590aaf89a60 Cleaned up IRIX audio driver, added float32 support and fallbacks when
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
200 SDL_SetError("Unsupported audio format");
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
201 return 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
202 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
203
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
204 /* Update the fragment size as size in bytes */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
205 SDL_CalculateAudioSpec(&this->spec);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
206
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
207 /* Allocate mixing buffer */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
208 this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->spec.size);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
209 if (this->hidden->mixbuf == NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
210 IRIXAUDIO_CloseDevice(this);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
211 SDL_OutOfMemory();
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
212 return 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
213 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
214 SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
215
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
216 /* We're ready to rock and roll. :-) */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
217 return 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
218 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
219
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
220 static int
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
221 IRIXAUDIO_Init(SDL_AudioDriverImpl * impl)
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
222 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
223 /* Set the function pointers */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
224 impl->OpenDevice = DSP_OpenDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
225 impl->PlayDevice = DSP_PlayDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
226 impl->WaitDevice = DSP_WaitDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
227 impl->GetDeviceBuf = DSP_GetDeviceBuf;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
228 impl->CloseDevice = DSP_CloseDevice;
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
229 impl->OnlyHasDefaultOutputDevice = 1; /* !!! FIXME: not true, I think. */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
230
3699
4160ba33b597 Removed test for "driver is valid, but doesn't see any audio devices."
Ryan C. Gordon <icculus@icculus.org>
parents: 3697
diff changeset
231 return 1; /* this audio target is available. */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
232 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
233
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
234 AudioBootStrap IRIXAUDIO_bootstrap = {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
235 "AL", "IRIX DMedia audio", IRIXAUDIO_Init, 0
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
236 };
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
237
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
238 /* vi: set ts=4 sw=4 expandtab: */