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annotate src/audio/fusionsound/SDL_fsaudio.c @ 3235:d35b649858e0

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David Carre to Sam Hello sam, me again. I'v fixed another bug in the pandora code, it's on the no-X videodriver, i forgot to add some code to destroy the window so it was impossible to reload SDL inside the same application (eglTerminate). You'll find the svn diff attached. See you, David.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 11 Aug 2009 13:45:01 +0000
parents 816a7a65a59a
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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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 #include <fusionsound/fusionsound_version.h>
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38
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39 //#define SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC "libfusionsound.so"
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40
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41 #ifdef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
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42 #include "SDL_name.h"
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43 #include "SDL_loadso.h"
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44 #else
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45 #define SDL_NAME(X) X
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46 #endif
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47
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48 #if (FUSIONSOUND_MAJOR_VERSION == 1) && (FUSIONSOUND_MINOR_VERSION < 1)
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49 typedef DFBResult DirectResult;
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50 #endif
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51
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52 /* The tag name used by fusionsoundc audio */
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53 #define SDL_FS_DRIVER_NAME "fusionsound"
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54 /* Buffers to use - more than 2 gives a lot of latency */
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55 #define FUSION_BUFFERS (2)
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56
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57 #ifdef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
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58
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59 static const char *fs_library = SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC;
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60 static void *fs_handle = NULL;
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61
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62 static DirectResult (*SDL_NAME(FusionSoundInit)) (int *argc, char *(*argv[]));
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63 static DirectResult (*SDL_NAME(FusionSoundCreate)) (IFusionSound **
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64 ret_interface);
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65
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66 #define SDL_FS_SYM(x) { #x, (void **) (char *) &SDL_NAME(x) }
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67 static struct
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68 {
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69 const char *name;
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70 void **func;
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71 } fs_functions[] = {
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72 /* *INDENT-OFF* */
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73 SDL_FS_SYM(FusionSoundInit),
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74 SDL_FS_SYM(FusionSoundCreate),
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75 /* *INDENT-ON* */
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76 };
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77
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78 #undef SDL_FS_SYM
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79
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80 static void
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81 UnloadFusionSoundLibrary()
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82 {
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83 if (fs_handle != NULL) {
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84 SDL_UnloadObject(fs_handle);
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85 fs_handle = NULL;
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86 }
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87 }
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88
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89 static int
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90 LoadFusionSoundLibrary(void)
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91 {
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92 int i, retval = -1;
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93
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94 if (fs_handle == NULL) {
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95 fs_handle = SDL_LoadObject(fs_library);
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96 if (fs_handle != NULL) {
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97 retval = 0;
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98 for (i = 0; i < SDL_arraysize(fs_functions); ++i) {
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99 *fs_functions[i].func =
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100 SDL_LoadFunction(fs_handle, fs_functions[i].name);
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101 if (!*fs_functions[i].func) {
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102 retval = -1;
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103 UnloadFusionSoundLibrary();
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104 break;
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105 }
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106 }
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107 }
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108 }
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109
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110 return retval;
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111 }
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112
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113 #else
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114
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115 static void
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116 UnloadFusionSoundLibrary()
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117 {
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118 return;
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119 }
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120
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121 static int
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122 LoadFusionSoundLibrary(void)
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123 {
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124 return 0;
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125 }
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126
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127 #endif /* SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC */
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128
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129 /* This function waits until it is possible to write a full sound buffer */
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130 static void
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131 SDL_FS_WaitDevice(_THIS)
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132 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 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
134 this->hidden->mixsamples);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 SDL_FS_PlayDevice(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 DirectResult ret;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 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
143 this->hidden->mixbuf,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 this->hidden->mixsamples);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 /* 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
146 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 this->enabled = 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 #ifdef DEBUG_AUDIO
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 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
151 #endif
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 }
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 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 SDL_FS_WaitDone(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 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
158 this->hidden->mixsamples * FUSION_BUFFERS);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 }
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 static Uint8 *
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 SDL_FS_GetDeviceBuf(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 return (this->hidden->mixbuf);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 SDL_FS_CloseDevice(_THIS)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 if (this->hidden != NULL) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 if (this->hidden->mixbuf != NULL) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 SDL_FreeAudioMem(this->hidden->mixbuf);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 this->hidden->mixbuf = NULL;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 if (this->hidden->stream) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 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
179 this->hidden->stream = NULL;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 if (this->hidden->fs) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 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
183 this->hidden->fs = NULL;
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 SDL_free(this->hidden);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 this->hidden = NULL;
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 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 static int
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 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
193 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 int bytes;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 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
196 FSSampleFormat fs_format;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 FSStreamDescription desc;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 DirectResult ret;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 /* 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
201 this->hidden = (struct SDL_PrivateAudioData *)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 SDL_malloc((sizeof *this->hidden));
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 if (this->hidden == NULL) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 SDL_OutOfMemory();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 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
208
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 /* 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
210 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
211 !format && test_format;) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 #ifdef DEBUG_AUDIO
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 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
214 #endif
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 switch (test_format) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 case AUDIO_U8:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 fs_format = FSSF_U8;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 bytes = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 case AUDIO_S16SYS:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 fs_format = FSSF_S16;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 bytes = 2;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 case AUDIO_S32SYS:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 fs_format = FSSF_S32;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 bytes = 4;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 case AUDIO_F32SYS:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 fs_format = FSSF_FLOAT;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 bytes = 4;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 format = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 default:
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 format = 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 break;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 if (!format) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 test_format = SDL_NextAudioFormat();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 }
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
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 if (format == 0) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 SDL_FS_CloseDevice(this);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 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
248 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 this->spec.format = test_format;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 /* Retrieve the main sound interface. */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 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
254 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 SDL_FS_CloseDevice(this);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 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
257 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 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
261
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 /* Fill stream description. */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 desc.flags = FSSDF_SAMPLERATE | FSSDF_BUFFERSIZE |
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 FSSDF_CHANNELS | FSSDF_SAMPLEFORMAT | FSSDF_PREBUFFER;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 desc.samplerate = this->spec.freq;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 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
267 desc.channels = this->spec.channels;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 desc.prebuffer = 10;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 desc.sampleformat = fs_format;
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Sam Lantinga <slouken@libsdl.org>
parents:
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270
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271 ret =
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272 this->hidden->fs->CreateStream(this->hidden->fs, &desc,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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273 &this->hidden->stream);
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274 if (ret) {
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275 SDL_FS_CloseDevice(this);
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276 SDL_SetError("Unable to create FusionSoundStream: %d", ret);
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277 return 0;
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278 }
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Sam Lantinga <slouken@libsdl.org>
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279
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280 /* See what we got */
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281 desc.flags = FSSDF_SAMPLERATE | FSSDF_BUFFERSIZE |
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282 FSSDF_CHANNELS | FSSDF_SAMPLEFORMAT;
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283 ret = this->hidden->stream->GetDescription(this->hidden->stream, &desc);
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284
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285 this->spec.freq = desc.samplerate;
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286 this->spec.size =
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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287 desc.buffersize / FUSION_BUFFERS * bytes * desc.channels;
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288 this->spec.channels = desc.channels;
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289
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290 /* Calculate the final parameters for this audio specification */
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291 SDL_CalculateAudioSpec(&this->spec);
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292
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293 /* Allocate mixing buffer */
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294 this->hidden->mixlen = this->spec.size;
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295 this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen);
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296 if (this->hidden->mixbuf == NULL) {
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297 SDL_FS_CloseDevice(this);
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298 SDL_OutOfMemory();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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299 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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300 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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301 SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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diff changeset
302
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
303 /* We're ready to rock and roll. :-) */
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304 return 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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305 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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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>
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diff changeset
308 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
309 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
310 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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311 UnloadFusionSoundLibrary();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
312 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
313
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
315 static int
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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diff changeset
316 SDL_FS_Init(SDL_AudioDriverImpl * impl)
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
317 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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diff changeset
318 if (LoadFusionSoundLibrary() < 0) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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diff changeset
319 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 } else {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
321 DirectResult ret;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
322
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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diff changeset
323 ret = SDL_NAME(FusionSoundInit) (NULL, NULL);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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diff changeset
324 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
325 UnloadFusionSoundLibrary();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
326 SDL_SetError
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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parents:
diff changeset
327 ("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
328 ret);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
329 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
333 /* Set the function pointers */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
334 impl->OpenDevice = SDL_FS_OpenDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 impl->PlayDevice = SDL_FS_PlayDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 impl->WaitDevice = SDL_FS_WaitDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 impl->GetDeviceBuf = SDL_FS_GetDeviceBuf;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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parents:
diff changeset
338 impl->CloseDevice = SDL_FS_CloseDevice;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 impl->WaitDone = SDL_FS_WaitDone;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 impl->Deinitialize = SDL_FS_Deinitialize;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 impl->OnlyHasDefaultOutputDevice = 1;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 return 1;
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
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 AudioBootStrap FUSIONSOUND_bootstrap = {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 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
349 };
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 /* vi: set ts=4 sw=4 expandtab: */