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annotate src/audio/fusionsound/SDL_fsaudio.c @ 3524:5668e43c256b

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Allow overriding the number of build jobs
author Sam Lantinga <slouken@libsdl.org>
date Sat, 05 Dec 2009 19:46:24 +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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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 #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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133 this->hidden->stream->Wait(this->hidden->stream,
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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;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 ret =
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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272 this->hidden->fs->CreateStream(this->hidden->fs, &desc,
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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273 &this->hidden->stream);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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275 SDL_FS_CloseDevice(this);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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276 SDL_SetError("Unable to create FusionSoundStream: %d", ret);
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277 return 0;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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278 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
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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diff changeset
290 /* Calculate the final parameters for this audio specification */
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Sam Lantinga <slouken@libsdl.org>
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291 SDL_CalculateAudioSpec(&this->spec);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
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);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
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296 if (this->hidden->mixbuf == NULL) {
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diff changeset
297 SDL_FS_CloseDevice(this);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
298 SDL_OutOfMemory();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
299 return 0;
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 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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diff changeset
302
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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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diff changeset
305 }
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 static void
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 SDL_FS_Deinitialize(void)
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
311 UnloadFusionSoundLibrary();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 }
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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>
parents:
diff changeset
315 static int
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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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
Sam Lantinga <slouken@libsdl.org>
parents:
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>
parents:
diff changeset
321 DirectResult ret;
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
323 ret = SDL_NAME(FusionSoundInit) (NULL, NULL);
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 if (ret) {
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 UnloadFusionSoundLibrary();
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 SDL_SetError
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
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>
parents:
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>
parents:
diff changeset
333 /* Set the function pointers */
fec0db6c44b7 Date: Thu, 01 Jan 2009 21:32:12 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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
Sam Lantinga <slouken@libsdl.org>
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: */