Mercurial > sdl-ios-xcode

annotate src/audio/baudio/SDL_beaudio.cc @ 2442:ce6623e28015 gsoc2008_iphone

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
renamed and moved up one directory
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 15 Aug 2008 23:51:11 +0000
parents 866052b01ee5
children 99210400e8b9
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
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
3 Copyright (C) 1997-2006 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: 252
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: 252
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: 252
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: 252
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: 252
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: 252
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: 114
diff changeset
20 slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
1403
376665398b25 Catch the C++ and Objective C sources too...
Sam Lantinga <slouken@libsdl.org>
parents: 1367
diff changeset
22 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24 /* Allow access to the audio stream on BeOS */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
25
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
26 #include <SoundPlayer.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27
1367
e440d5c488c1 Fixes for BeOS and Solaris builds
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
28 #include "../../main/beos/SDL_BeApp.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
29
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
30 extern "C"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
31 {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33 #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
34 #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
35 #include "../SDL_sysaudio.h"
1367
e440d5c488c1 Fixes for BeOS and Solaris builds
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
36 #include "../../thread/beos/SDL_systhread_c.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
37 #include "SDL_beaudio.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
38
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
39 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
40
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
41
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
42 /* !!! FIXME: have the callback call the higher level to avoid code dupe. */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
43 /* The BeOS callback for handling the audio buffer */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
44 static void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
45 FillSound(void *device, void *stream, size_t len,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
46 const media_raw_audio_format & format)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
47 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
48 SDL_AudioDevice *audio = (SDL_AudioDevice *) device;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
49
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
50 /* Silence the buffer, since it's ours */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
51 SDL_memset(stream, audio->spec.silence, len);
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 /* Only do soemthing if audio is enabled */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
54 if (!audio->enabled)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
55 return;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
56
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
57 if (!audio->paused) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
58 if (audio->convert.needed) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
59 SDL_mutexP(audio->mixer_lock);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
60 (*audio->spec.callback) (audio->spec.userdata,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
61 (Uint8 *) audio->convert.buf,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
62 audio->convert.len);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
63 SDL_mutexV(audio->mixer_lock);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
64 SDL_ConvertAudio(&audio->convert);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
65 SDL_memcpy(stream, audio->convert.buf, audio->convert.len_cvt);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
66 } else {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
67 SDL_mutexP(audio->mixer_lock);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
68 (*audio->spec.callback) (audio->spec.userdata,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
69 (Uint8 *) stream, len);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
70 SDL_mutexV(audio->mixer_lock);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
71 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
72 }
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 }
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 static void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
76 BEOSAUDIO_CloseDevice(_THIS)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
77 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
78 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
79 if (_this->hidden->audio_obj) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
80 _this->hidden->audio_obj->Stop();
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
81 delete _this->hidden->audio_obj;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
82 _this->hidden->audio_obj = 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: 1403
diff changeset
83 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
84
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
85 delete _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
86 _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: 1403
diff changeset
87 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
88 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
89
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
90 static int
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
91 BEOSAUDIO_OpenDevice(_THIS, const char *devname, int iscapture)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
92 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
93 int valid_datatype = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
94 media_raw_audio_format format;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
95 SDL_AudioFormat test_format = SDL_FirstAudioFormat(_this->spec.format);
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
96
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
97 /* 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
98 _this->hidden = new SDL_PrivateAudioData;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
99 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
100 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
101 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
102 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
103 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
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 /* Parse the audio format and fill the Be raw audio format */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
106 SDL_memset(&format, '\0', sizeof(media_raw_audio_format));
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
107 format.byte_order = B_MEDIA_LITTLE_ENDIAN;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
108 format.frame_rate = (float) _this->spec.freq;
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
109 format.channel_count = _this->spec.channels; /* !!! FIXME: support > 2? */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
110 while ((!valid_datatype) && (test_format)) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
111 valid_datatype = 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
112 _this->spec.format = test_format;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
113 switch (test_format) {
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
114 case AUDIO_S8:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
115 format.format = media_raw_audio_format::B_AUDIO_CHAR;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
116 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
117
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
118 case AUDIO_U8:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
119 format.format = media_raw_audio_format::B_AUDIO_UCHAR;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
120 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
121
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
122 case AUDIO_S16LSB:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
123 format.format = media_raw_audio_format::B_AUDIO_SHORT;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
124 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
125
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
126 case AUDIO_S16MSB:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
127 format.format = media_raw_audio_format::B_AUDIO_SHORT;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
128 format.byte_order = B_MEDIA_BIG_ENDIAN;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
129 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
130
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
131 case AUDIO_S32LSB:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
132 format.format = media_raw_audio_format::B_AUDIO_INT;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
133 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
134
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
135 case AUDIO_S32MSB:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
136 format.format = media_raw_audio_format::B_AUDIO_INT;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
137 format.byte_order = B_MEDIA_BIG_ENDIAN;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
138 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
139
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
140 case AUDIO_F32LSB:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
141 format.format = media_raw_audio_format::B_AUDIO_FLOAT;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
142 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
143
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
144 case AUDIO_F32MSB:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
145 format.format = media_raw_audio_format::B_AUDIO_FLOAT;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
146 format.byte_order = B_MEDIA_BIG_ENDIAN;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
147 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
148
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
149 default:
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
150 valid_datatype = 0;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
151 test_format = SDL_NextAudioFormat();
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
152 break;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
153 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
154 }
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
155
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
156 format.buffer_size = _this->spec.samples;
1997
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
157
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
158 if (!valid_datatype) { /* shouldn't happen, but just in case... */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
159 BEOSAUDIO_CloseDevice(_this);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
160 SDL_SetError("Unsupported audio format");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
161 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
162 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
163
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
164 /* Calculate the final parameters for this audio specification */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
165 SDL_CalculateAudioSpec(&_this->spec);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
166
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
167 /* Subscribe to the audio stream (creates a new thread) */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
168 sigset_t omask;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
169 SDL_MaskSignals(&omask);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
170 _this->hidden->audio_obj = new BSoundPlayer(&format, "SDL Audio",
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
171 FillSound, NULL, _this);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
172 SDL_UnmaskSignals(&omask);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
173
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
174 if (_this->hidden->audio_obj->Start() == B_NO_ERROR) {
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_obj->SetHasData(true);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
176 } else {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
177 BEOSAUDIO_CloseDevice(_this);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
178 SDL_SetError("Unable to start Be audio");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
179 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: 1403
diff changeset
180 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
181
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
182 /* We're running! */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
183 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
184 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
185
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
186 static void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
187 BEOSAUDIO_Deinitialize(void)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
188 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
189 SDL_QuitBeApp();
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
190 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
191
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
192 static int
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
193 BEOSAUDIO_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
194 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
195 /* Initialize the Be Application, if it's not already started */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
196 if (SDL_InitBeApp() < 0) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
197 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
198 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
199
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
200 /* 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
201 impl->OpenDevice = BEOSAUDIO_OpenDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
202 impl->CloseDevice = BEOSAUDIO_CloseDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
203 impl->Deinitialize = BEOSAUDIO_Deinitialize;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
204 impl->ProvidesOwnCallbackThread = 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
205 impl->OnlyHasDefaultOutputDevice = 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
206
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
207 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
208 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
209
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
210 extern "C"
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
211 {
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
212 extern AudioBootStrap BEOSAUDIO_bootstrap;
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2049
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 AudioBootStrap BEOSAUDIO_bootstrap = {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
215 "baudio", "BeOS BSoundPlayer", BEOSAUDIO_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
216 };
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
217
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1403
diff changeset
218 /* vi: set ts=4 sw=4 expandtab: */