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annotate src/audio/fusionsound/SDL_fsaudio.c @ 2990:502adab079a4

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author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2009 17:14:27 +0000
parents fec0db6c44b7
children 816a7a65a59a
rev   line source
2947
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1 /*
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2 SDL - Simple DirectMedia Layer
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Sam Lantinga <slouken@libsdl.org>
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Allow access to a raw mixing buffer */
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25
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26 #ifdef HAVE_SIGNAL_H
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27 #include <signal.h>
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28 #endif
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29 #include <unistd.h>
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30
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31 #include "SDL_timer.h"
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32 #include "SDL_audio.h"
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33 #include "../SDL_audiomem.h"
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34 #include "../SDL_audio_c.h"
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35 #include "SDL_fsaudio.h"
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36
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37 //#define SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC "libfusionsound.so"
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38
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39 #ifdef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
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40 #include "SDL_name.h"
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41 #include "SDL_loadso.h"
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42 #else
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43 #define SDL_NAME(X) X
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44 #endif
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45
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46 /* The tag name used by fusionsoundc audio */
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47 #define SDL_FS_DRIVER_NAME "fusionsound"
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48 /* Buffers to use - more than 2 gives a lot of latency */
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49 #define FUSION_BUFFERS (2)
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50
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51 #ifdef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
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52
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53 static const char *fs_library = SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC;
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54 static void *fs_handle = NULL;
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55
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56 static DirectResult(*SDL_NAME(FusionSoundInit)) (int *argc, char *(*argv[]));
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57 static DirectResult(*SDL_NAME(FusionSoundCreate)) (IFusionSound **
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58 ret_interface);
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59
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60 #define SDL_FS_SYM(x) { #x, (void **) (char *) &SDL_NAME(x) }
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61 static struct
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62 {
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63 const char *name;
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64 void **func;
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65 } fs_functions[] = {
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66 /* *INDENT-OFF* */
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67 SDL_FS_SYM(FusionSoundInit),
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68 SDL_FS_SYM(FusionSoundCreate),
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69 /* *INDENT-ON* */
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70 };
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71
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72 #undef SDL_FS_SYM
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73
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74 static void
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75 UnloadFusionSoundLibrary()
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76 {
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77 if (fs_handle != NULL) {
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78 SDL_UnloadObject(fs_handle);
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79 fs_handle = NULL;
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80 }
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81 }
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82
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83 static int
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84 LoadFusionSoundLibrary(void)
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85 {
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86 int i, retval = -1;
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87
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88 if (fs_handle == NULL) {
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89 fs_handle = SDL_LoadObject(fs_library);
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90 if (fs_handle != NULL) {
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91 retval = 0;
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92 for (i = 0; i < SDL_arraysize(fs_functions); ++i) {
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93 *fs_functions[i].func =
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94 SDL_LoadFunction(fs_handle, fs_functions[i].name);
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95 if (!*fs_functions[i].func) {
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96 retval = -1;
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97 UnloadFusionSoundLibrary();
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98 break;
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99 }
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100 }
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101 }
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102 }
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103
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104 return retval;
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105 }
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106
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107 #else
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108
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109 static void
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110 UnloadFusionSoundLibrary()
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111 {
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112 return;
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113 }
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114
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115 static int
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116 LoadFusionSoundLibrary(void)
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117 {
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118 return 0;
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119 }
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120
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121 #endif /* SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC */
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122
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123 /* This function waits until it is possible to write a full sound buffer */
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124 static void
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125 SDL_FS_WaitDevice(_THIS)
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126 {
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127 this->hidden->stream->Wait(this->hidden->stream,
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128 this->hidden->mixsamples);
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129 }
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130
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131 static void
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132 SDL_FS_PlayDevice(_THIS)
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133 {
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134 DirectResult ret;
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135
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 ret = this->hidden->stream->Write(this->hidden->stream,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 this->hidden->mixbuf,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 this->hidden->mixsamples);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 /* If we couldn't write, assume fatal error for now */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 this->enabled = 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 #ifdef DEBUG_AUDIO
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 fprintf(stderr, "Wrote %d bytes of audio data\n", this->hidden->mixlen);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 #endif
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 SDL_FS_WaitDone(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 this->hidden->stream->Wait(this->hidden->stream,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 this->hidden->mixsamples * FUSION_BUFFERS);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 static Uint8 *
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 SDL_FS_GetDeviceBuf(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 return (this->hidden->mixbuf);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 SDL_FS_CloseDevice(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 if (this->hidden != NULL) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 if (this->hidden->mixbuf != NULL) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 SDL_FreeAudioMem(this->hidden->mixbuf);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 this->hidden->mixbuf = NULL;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 if (this->hidden->stream) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 this->hidden->stream->Release(this->hidden->stream);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 this->hidden->stream = NULL;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 if (this->hidden->fs) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 this->hidden->fs->Release(this->hidden->fs);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 this->hidden->fs = NULL;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 SDL_free(this->hidden);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 this->hidden = NULL;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 static int
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 SDL_FS_OpenDevice(_THIS, const char *devname, int iscapture)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 int bytes;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 SDL_AudioFormat test_format = 0, format = 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 FSSampleFormat fs_format;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 FSStreamDescription desc;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 DirectResult ret;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 /* Initialize all variables that we clean on shutdown */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 this->hidden = (struct SDL_PrivateAudioData *)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 SDL_malloc((sizeof *this->hidden));
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 if (this->hidden == NULL) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 SDL_OutOfMemory();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 /* Try for a closest match on audio format */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 for (test_format = SDL_FirstAudioFormat(this->spec.format);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 !format && test_format;) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 #ifdef DEBUG_AUDIO
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 fprintf(stderr, "Trying format 0x%4.4x\n", test_format);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 #endif
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 switch (test_format) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 case AUDIO_U8:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 fs_format = FSSF_U8;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 bytes = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 case AUDIO_S16SYS:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 fs_format = FSSF_S16;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 bytes = 2;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 case AUDIO_S32SYS:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 fs_format = FSSF_S32;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 bytes = 4;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 case AUDIO_F32SYS:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 fs_format = FSSF_FLOAT;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 bytes = 4;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 default:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 format = 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 if (!format) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 test_format = SDL_NextAudioFormat();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 if (format == 0) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 SDL_FS_CloseDevice(this);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 SDL_SetError("Couldn't find any hardware audio formats");
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 this->spec.format = test_format;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 /* Retrieve the main sound interface. */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 ret = SDL_NAME(FusionSoundCreate) (&this->hidden->fs);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 SDL_FS_CloseDevice(this);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 SDL_SetError("Unable to initialize FusionSound: %d", ret);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 this->hidden->mixsamples = this->spec.size / bytes / this->spec.channels;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 /* Fill stream description. */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 desc.flags = FSSDF_SAMPLERATE | FSSDF_BUFFERSIZE |
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 FSSDF_CHANNELS | FSSDF_SAMPLEFORMAT | FSSDF_PREBUFFER;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 desc.samplerate = this->spec.freq;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 desc.buffersize = this->spec.size * FUSION_BUFFERS;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 desc.channels = this->spec.channels;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 desc.prebuffer = 10;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 desc.sampleformat = fs_format;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 ret =
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 this->hidden->fs->CreateStream(this->hidden->fs, &desc,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 &this->hidden->stream);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 SDL_FS_CloseDevice(this);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 SDL_SetError("Unable to create FusionSoundStream: %d", ret);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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272 }
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Sam Lantinga <slouken@libsdl.org>
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273
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Sam Lantinga <slouken@libsdl.org>
parents:
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274 /* See what we got */
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Sam Lantinga <slouken@libsdl.org>
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275 desc.flags = FSSDF_SAMPLERATE | FSSDF_BUFFERSIZE |
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276 FSSDF_CHANNELS | FSSDF_SAMPLEFORMAT;
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277 ret = this->hidden->stream->GetDescription(this->hidden->stream, &desc);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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278
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279 this->spec.freq = desc.samplerate;
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280 this->spec.size =
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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281 desc.buffersize / FUSION_BUFFERS * bytes * desc.channels;
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282 this->spec.channels = desc.channels;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
283
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Sam Lantinga <slouken@libsdl.org>
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284 /* Calculate the final parameters for this audio specification */
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Sam Lantinga <slouken@libsdl.org>
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285 SDL_CalculateAudioSpec(&this->spec);
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Sam Lantinga <slouken@libsdl.org>
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286
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Sam Lantinga <slouken@libsdl.org>
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287 /* Allocate mixing buffer */
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288 this->hidden->mixlen = this->spec.size;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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289 this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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290 if (this->hidden->mixbuf == NULL) {
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291 SDL_FS_CloseDevice(this);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
292 SDL_OutOfMemory();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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293 return 0;
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Sam Lantinga <slouken@libsdl.org>
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294 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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295 SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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296
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
297 /* We're ready to rock and roll. :-) */
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Sam Lantinga <slouken@libsdl.org>
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298 return 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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299 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
300
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
301
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
302 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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303 SDL_FS_Deinitialize(void)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
304 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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305 UnloadFusionSoundLibrary();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 static int
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
310 SDL_FS_Init(SDL_AudioDriverImpl * impl)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
311 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
312 if (LoadFusionSoundLibrary() < 0) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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313 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
314 } else {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
315 DirectResult ret;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
316
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
317 ret = SDL_NAME(FusionSoundInit) (NULL, NULL);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
318 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
319 UnloadFusionSoundLibrary();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
320 SDL_SetError
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 ("FusionSound: SDL_FS_init failed (FusionSoundInit: %d)",
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 ret);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 /* Set the function pointers */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 impl->OpenDevice = SDL_FS_OpenDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 impl->PlayDevice = SDL_FS_PlayDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 impl->WaitDevice = SDL_FS_WaitDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 impl->GetDeviceBuf = SDL_FS_GetDeviceBuf;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 impl->CloseDevice = SDL_FS_CloseDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 impl->WaitDone = SDL_FS_WaitDone;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 impl->Deinitialize = SDL_FS_Deinitialize;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 impl->OnlyHasDefaultOutputDevice = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 return 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 AudioBootStrap FUSIONSOUND_bootstrap = {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 SDL_FS_DRIVER_NAME, "FusionSound", SDL_FS_Init, 0
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 };
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 /* vi: set ts=4 sw=4 expandtab: */