Mercurial > sdl-ios-xcode

annotate src/audio/paudio/SDL_paudio.c @ 2247:93994f65c74c

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Removed hermes since it's LGPL and not compatible with a commercial license. Prepping for using MMX and SSE intrinsics instead of inline assembly. .. except for memcpy equivalents which only get faster if they can exploit the parallelism of loading into multiple SIMD registers. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 15 Aug 2007 08:21:10 +0000
parents 866052b01ee5
children e27bdcc80744
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Carsten Griwodz
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20 griff@kom.tu-darmstadt.de
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21
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22 based on linux/SDL_dspaudio.c by Sam Lantinga
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23 */
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24 #include "SDL_config.h"
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25
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26 /* Allow access to a raw mixing buffer */
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27
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28 #include <errno.h>
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29 #include <unistd.h>
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30 #include <fcntl.h>
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31 #include <sys/time.h>
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32 #include <sys/ioctl.h>
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33 #include <sys/types.h>
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34 #include <sys/stat.h>
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35
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36 #include "SDL_timer.h"
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37 #include "SDL_audio.h"
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38 #include "SDL_stdinc.h"
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39 #include "../SDL_audiomem.h"
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40 #include "../SDL_audio_c.h"
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41 #include "SDL_paudio.h"
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42
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43 #define DEBUG_AUDIO 0
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44
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45 /* A conflict within AIX 4.3.3 <sys/> headers and probably others as well.
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46 * I guess nobody ever uses audio... Shame over AIX header files. */
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47 #include <sys/machine.h>
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48 #undef BIG_ENDIAN
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49 #include <sys/audio.h>
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50
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51 /* The tag name used by paud audio */
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52 #define PAUDIO_DRIVER_NAME "paud"
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53
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54 /* Open the audio device for playback, and don't block if busy */
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55 /* #define OPEN_FLAGS (O_WRONLY|O_NONBLOCK) */
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56 #define OPEN_FLAGS O_WRONLY
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57
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58 /* Get the name of the audio device we use for output */
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59
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60 #ifndef _PATH_DEV_DSP
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61 #define _PATH_DEV_DSP "/dev/%caud%c/%c"
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62 #endif
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63
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64 static char devsettings[][3] = {
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65 {'p', '0', '1'}, {'p', '0', '2'}, {'p', '0', '3'}, {'p', '0', '4'},
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66 {'p', '1', '1'}, {'p', '1', '2'}, {'p', '1', '3'}, {'p', '1', '4'},
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67 {'p', '2', '1'}, {'p', '2', '2'}, {'p', '2', '3'}, {'p', '2', '4'},
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68 {'p', '3', '1'}, {'p', '3', '2'}, {'p', '3', '3'}, {'p', '3', '4'},
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69 {'b', '0', '1'}, {'b', '0', '2'}, {'b', '0', '3'}, {'b', '0', '4'},
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70 {'b', '1', '1'}, {'b', '1', '2'}, {'b', '1', '3'}, {'b', '1', '4'},
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71 {'b', '2', '1'}, {'b', '2', '2'}, {'b', '2', '3'}, {'b', '2', '4'},
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72 {'b', '3', '1'}, {'b', '3', '2'}, {'b', '3', '3'}, {'b', '3', '4'},
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73 {'\0', '\0', '\0'}
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74 };
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75
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76 static int
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77 OpenUserDefinedDevice(char *path, int maxlen, int flags)
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78 {
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79 const char *audiodev;
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80 int fd;
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81
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82 /* Figure out what our audio device is */
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83 if ((audiodev = SDL_getenv("SDL_PATH_DSP")) == NULL) {
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84 audiodev = SDL_getenv("AUDIODEV");
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85 }
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86 if (audiodev == NULL) {
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87 return -1;
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88 }
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89 fd = open(audiodev, flags, 0);
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90 if (path != NULL) {
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91 SDL_strlcpy(path, audiodev, maxlen);
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92 path[maxlen - 1] = '\0';
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93 }
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94 return fd;
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95 }
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96
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97 static int
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98 OpenAudioPath(char *path, int maxlen, int flags, int classic)
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99 {
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100 struct stat sb;
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101 int cycle = 0;
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102 int fd = OpenUserDefinedDevice(path, maxlen, flags);
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103
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104 if (fd != -1) {
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105 return fd;
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106 }
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107
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108 /* !!! FIXME: do we really need a table here? */
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109 while (devsettings[cycle][0] != '\0') {
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110 char audiopath[1024];
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111 SDL_snprintf(audiopath, SDL_arraysize(audiopath),
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112 _PATH_DEV_DSP,
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113 devsettings[cycle][0],
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114 devsettings[cycle][1], devsettings[cycle][2]);
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115
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116 if (stat(audiopath, &sb) == 0) {
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117 fd = open(audiopath, flags, 0);
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118 if (fd > 0) {
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119 if (path != NULL) {
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120 SDL_strlcpy(path, audiopath, maxlen);
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121 }
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122 return fd;
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123 }
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124 }
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125 }
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126 return -1;
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127 }
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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 PAUDIO_WaitDevice(_THIS)
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132 {
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133 fd_set fdset;
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134
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135 /* See if we need to use timed audio synchronization */
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136 if (this->hidden->frame_ticks) {
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137 /* Use timer for general audio synchronization */
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138 Sint32 ticks;
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139
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140 ticks =
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141 ((Sint32) (this->hidden->next_frame - SDL_GetTicks())) -
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142 FUDGE_TICKS;
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143 if (ticks > 0) {
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144 SDL_Delay(ticks);
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145 }
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146 } else {
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147 audio_buffer paud_bufinfo;
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148
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149 /* Use select() for audio synchronization */
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150 struct timeval timeout;
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151 FD_ZERO(&fdset);
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152 FD_SET(this->hidden->audio_fd, &fdset);
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153
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154 if (ioctl(this->hidden->audio_fd, AUDIO_BUFFER, &paud_bufinfo) < 0) {
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155 #ifdef DEBUG_AUDIO
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156 fprintf(stderr, "Couldn't get audio buffer information\n");
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157 #endif
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158 timeout.tv_sec = 10;
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159 timeout.tv_usec = 0;
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160 } else {
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161 long ms_in_buf = paud_bufinfo.write_buf_time;
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162 timeout.tv_sec = ms_in_buf / 1000;
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163 ms_in_buf = ms_in_buf - timeout.tv_sec * 1000;
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164 timeout.tv_usec = ms_in_buf * 1000;
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165 #ifdef DEBUG_AUDIO
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166 fprintf(stderr,
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167 "Waiting for write_buf_time=%ld,%ld\n",
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168 timeout.tv_sec, timeout.tv_usec);
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169 #endif
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170 }
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171
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172 #ifdef DEBUG_AUDIO
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173 fprintf(stderr, "Waiting for audio to get ready\n");
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174 #endif
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175 if (select(this->hidden->audio_fd + 1, NULL, &fdset, NULL, &timeout)
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176 <= 0) {
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177 const char *message =
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178 "Audio timeout - buggy audio driver? (disabled)";
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179 /*
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180 * In general we should never print to the screen,
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181 * but in this case we have no other way of letting
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182 * the user know what happened.
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183 */
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184 fprintf(stderr, "SDL: %s - %s\n", strerror(errno), message);
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185 this->enabled = 0;
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186 /* Don't try to close - may hang */
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187 this->hidden->audio_fd = -1;
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188 #ifdef DEBUG_AUDIO
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189 fprintf(stderr, "Done disabling audio\n");
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190 #endif
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191 }
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192 #ifdef DEBUG_AUDIO
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193 fprintf(stderr, "Ready!\n");
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194 #endif
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195 }
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196 }
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197
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198 static void
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199 PAUDIO_PlayDevice(_THIS)
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200 {
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201 int written = 0;
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202 const Uint8 *mixbuf = this->hidden->mixbuf;
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203 const size_t mixlen = this->hidden->mixlen;
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204
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205 /* Write the audio data, checking for EAGAIN on broken audio drivers */
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206 do {
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207 written = write(this->hidden->audio_fd, mixbuf, mixlen);
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208 if ((written < 0) && ((errno == 0) || (errno == EAGAIN))) {
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209 SDL_Delay(1); /* Let a little CPU time go by */
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210 }
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211 }
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212 while ((written < 0) &&
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213 ((errno == 0) || (errno == EAGAIN) || (errno == EINTR)));
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214
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215 /* If timer synchronization is enabled, set the next write frame */
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216 if (this->hidden->frame_ticks) {
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217 this->hidden->next_frame += this->hidden->frame_ticks;
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218 }
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219
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220 /* If we couldn't write, assume fatal error for now */
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221 if (written < 0) {
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222 this->enabled = 0;
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223 }
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224 #ifdef DEBUG_AUDIO
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225 fprintf(stderr, "Wrote %d bytes of audio data\n", written);
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226 #endif
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227 }
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228
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229 static Uint8 *
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230 PAUDIO_GetDeviceBuf(_THIS)
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231 {
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232 return this->hidden->mixbuf;
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233 }
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234
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235 static void
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236 PAUDIO_CloseDevice(_THIS)
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237 {
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238 if (this->hidden != NULL) {
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239 if (this->hidden->mixbuf != NULL) {
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240 SDL_FreeAudioMem(this->hidden->mixbuf);
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241 this->hidden->mixbuf = NULL;
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242 }
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243 if (this->hidden->audio_fd >= 0) {
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244 close(this->hidden->audio_fd);
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245 this->hidden->audio_fd = -1;
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246 }
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247 SDL_free(this->hidden);
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248 this->hidden = NULL;
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249 }
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250 }
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251
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252 static int
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253 PAUDIO_OpenDevice(_THIS, const char *devname, int iscapture)
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254 {
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255 const char *workaround = SDL_getenv("SDL_DSP_NOSELECT");
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256 char audiodev[1024];
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diff changeset
257 const char *err = NULL;
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258 int format;
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259 int bytes_per_sample;
1982
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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260 SDL_AudioFormat test_format;
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261 audio_init paud_init;
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262 audio_buffer paud_bufinfo;
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263 audio_status paud_status;
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264 audio_control paud_control;
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265 audio_change paud_change;
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diff changeset
266 int fd = -1;
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267
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268 /* Initialize all variables that we clean on shutdown */
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269 this->hidden = (struct SDL_PrivateAudioData *)
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270 SDL_malloc((sizeof *this->hidden));
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271 if (this->hidden == NULL) {
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272 SDL_OutOfMemory();
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273 return 0;
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274 }
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275 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
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276
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277 /* Open the audio device */
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278 fd = OpenAudioPath(audiodev, sizeof(audiodev), OPEN_FLAGS, 0);
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279 this->hidden->audio_fd = fd;
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diff changeset
280 if (fd < 0) {
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281 PAUDIO_CloseDevice(this);
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282 SDL_SetError("Couldn't open %s: %s", audiodev, strerror(errno));
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283 return 0;
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284 }
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285
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286 /*
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287 * We can't set the buffer size - just ask the device for the maximum
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288 * that we can have.
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289 */
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290 if (ioctl(fd, AUDIO_BUFFER, &paud_bufinfo) < 0) {
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291 PAUDIO_CloseDevice(this);
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292 SDL_SetError("Couldn't get audio buffer information");
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293 return 0;
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294 }
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295
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296 if (this->spec.channels > 1)
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297 this->spec.channels = 2;
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298 else
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299 this->spec.channels = 1;
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300
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301 /*
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302 * Fields in the audio_init structure:
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303 *
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304 * Ignored by us:
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305 *
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306 * paud.loadpath[LOAD_PATH]; * DSP code to load, MWave chip only?
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307 * paud.slot_number; * slot number of the adapter
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308 * paud.device_id; * adapter identification number
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309 *
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310 * Input:
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diff changeset
311 *
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diff changeset
312 * paud.srate; * the sampling rate in Hz
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313 * paud.bits_per_sample; * 8, 16, 32, ...
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314 * paud.bsize; * block size for this rate
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315 * paud.mode; * ADPCM, PCM, MU_LAW, A_LAW, SOURCE_MIX
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316 * paud.channels; * 1=mono, 2=stereo
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317 * paud.flags; * FIXED - fixed length data
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318 * * LEFT_ALIGNED, RIGHT_ALIGNED (var len only)
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319 * * TWOS_COMPLEMENT - 2's complement data
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320 * * SIGNED - signed? comment seems wrong in sys/audio.h
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321 * * BIG_ENDIAN
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322 * paud.operation; * PLAY, RECORD
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323 *
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324 * Output:
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325 *
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326 * paud.flags; * PITCH - pitch is supported
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327 * * INPUT - input is supported
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328 * * OUTPUT - output is supported
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329 * * MONITOR - monitor is supported
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330 * * VOLUME - volume is supported
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331 * * VOLUME_DELAY - volume delay is supported
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332 * * BALANCE - balance is supported
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333 * * BALANCE_DELAY - balance delay is supported
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334 * * TREBLE - treble control is supported
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335 * * BASS - bass control is supported
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336 * * BESTFIT_PROVIDED - best fit returned
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337 * * LOAD_CODE - DSP load needed
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338 * paud.rc; * NO_PLAY - DSP code can't do play requests
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339 * * NO_RECORD - DSP code can't do record requests
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340 * * INVALID_REQUEST - request was invalid
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341 * * CONFLICT - conflict with open's flags
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342 * * OVERLOADED - out of DSP MIPS or memory
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343 * paud.position_resolution; * smallest increment for position
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344 */
0
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345
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diff changeset
346 paud_init.srate = this->spec.freq;
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347 paud_init.mode = PCM;
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348 paud_init.operation = PLAY;
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diff changeset
349 paud_init.channels = this->spec.channels;
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350
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351 /* Try for a closest match on audio format */
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diff changeset
352 format = 0;
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diff changeset
353 for (test_format = SDL_FirstAudioFormat(this->spec.format);
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diff changeset
354 !format && test_format;) {
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diff changeset
355 #ifdef DEBUG_AUDIO
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356 fprintf(stderr, "Trying format 0x%4.4x\n", test_format);
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357 #endif
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358 switch (test_format) {
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359 case AUDIO_U8:
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360 bytes_per_sample = 1;
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diff changeset
361 paud_init.bits_per_sample = 8;
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diff changeset
362 paud_init.flags = TWOS_COMPLEMENT | FIXED;
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363 format = 1;
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364 break;
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365 case AUDIO_S8:
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366 bytes_per_sample = 1;
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367 paud_init.bits_per_sample = 8;
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368 paud_init.flags = SIGNED | TWOS_COMPLEMENT | FIXED;
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369 format = 1;
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diff changeset
370 break;
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diff changeset
371 case AUDIO_S16LSB:
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diff changeset
372 bytes_per_sample = 2;
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diff changeset
373 paud_init.bits_per_sample = 16;
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374 paud_init.flags = SIGNED | TWOS_COMPLEMENT | FIXED;
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diff changeset
375 format = 1;
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diff changeset
376 break;
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diff changeset
377 case AUDIO_S16MSB:
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diff changeset
378 bytes_per_sample = 2;
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diff changeset
379 paud_init.bits_per_sample = 16;
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diff changeset
380 paud_init.flags = BIG_ENDIAN | SIGNED | TWOS_COMPLEMENT | FIXED;
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381 format = 1;
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diff changeset
382 break;
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diff changeset
383 case AUDIO_U16LSB:
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diff changeset
384 bytes_per_sample = 2;
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diff changeset
385 paud_init.bits_per_sample = 16;
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diff changeset
386 paud_init.flags = TWOS_COMPLEMENT | FIXED;
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diff changeset
387 format = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
388 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
389 case AUDIO_U16MSB:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
390 bytes_per_sample = 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
391 paud_init.bits_per_sample = 16;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
392 paud_init.flags = BIG_ENDIAN | TWOS_COMPLEMENT | FIXED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
393 format = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
394 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
395 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
396 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
397 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
398 if (!format) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
399 test_format = SDL_NextAudioFormat();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
400 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
401 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
402 if (format == 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 #ifdef DEBUG_AUDIO
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
404 fprintf(stderr, "Couldn't find any hardware audio formats\n");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 #endif
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
406 PAUDIO_CloseDevice(this);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
407 SDL_SetError("Couldn't find any hardware audio formats");
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
408 return 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
409 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
410 this->spec.format = test_format;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
412 /*
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
413 * We know the buffer size and the max number of subsequent writes
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
414 * that can be pending. If more than one can pend, allow the application
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
415 * to do something like double buffering between our write buffer and
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
416 * the device's own buffer that we are filling with write() anyway.
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
417 *
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
418 * We calculate this->spec.samples like this because
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
419 * SDL_CalculateAudioSpec() will give put paud_bufinfo.write_buf_cap
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
420 * (or paud_bufinfo.write_buf_cap/2) into this->spec.size in return.
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
421 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
422 if (paud_bufinfo.request_buf_cap == 1) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
423 this->spec.samples = paud_bufinfo.write_buf_cap
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
424 / bytes_per_sample / this->spec.channels;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
425 } else {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
426 this->spec.samples = paud_bufinfo.write_buf_cap
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
427 / bytes_per_sample / this->spec.channels / 2;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
428 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
429 paud_init.bsize = bytes_per_sample * this->spec.channels;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
431 SDL_CalculateAudioSpec(&this->spec);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
433 /*
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
434 * The AIX paud device init can't modify the values of the audio_init
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
435 * structure that we pass to it. So we don't need any recalculation
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
436 * of this stuff and no reinit call as in linux dsp and dma code.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
437 *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
438 * /dev/paud supports all of the encoding formats, so we don't need
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
439 * to do anything like reopening the device, either.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
440 */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
441 if (ioctl(fd, AUDIO_INIT, &paud_init) < 0) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
442 switch (paud_init.rc) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
443 case 1:
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
444 err = "Couldn't set audio format: DSP can't do play requests";
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
445 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
446 case 2:
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
447 err = "Couldn't set audio format: DSP can't do record requests";
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
448 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
449 case 4:
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
450 err = "Couldn't set audio format: request was invalid";
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
451 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
452 case 5:
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
453 err = "Couldn't set audio format: conflict with open's flags";
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
454 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
455 case 6:
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
456 err = "Couldn't set audio format: out of DSP MIPS or memory";
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
457 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
458 default:
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
459 err = "Couldn't set audio format: not documented in sys/audio.h";
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
460 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
461 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
462 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
464 if (err != NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
465 PAUDIO_CloseDevice(this);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
466 SDL_SetError("Paudio: %s", err);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
467 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
468 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
469
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
470 /* Allocate mixing buffer */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
471 this->hidden->mixlen = this->spec.size;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
472 this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
473 if (this->hidden->mixbuf == NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
474 PAUDIO_CloseDevice(this);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
475 SDL_OutOfMemory();
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
476 return 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
477 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
478 SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
480 /*
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
481 * Set some paramters: full volume, first speaker that we can find.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
482 * Ignore the other settings for now.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
483 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
484 paud_change.input = AUDIO_IGNORE; /* the new input source */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
485 paud_change.output = OUTPUT_1; /* EXTERNAL_SPEAKER,INTERNAL_SPEAKER,OUTPUT_1 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
486 paud_change.monitor = AUDIO_IGNORE; /* the new monitor state */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
487 paud_change.volume = 0x7fffffff; /* volume level [0-0x7fffffff] */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
488 paud_change.volume_delay = AUDIO_IGNORE; /* the new volume delay */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
489 paud_change.balance = 0x3fffffff; /* the new balance */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
490 paud_change.balance_delay = AUDIO_IGNORE; /* the new balance delay */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
491 paud_change.treble = AUDIO_IGNORE; /* the new treble state */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
492 paud_change.bass = AUDIO_IGNORE; /* the new bass state */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
493 paud_change.pitch = AUDIO_IGNORE; /* the new pitch state */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
495 paud_control.ioctl_request = AUDIO_CHANGE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
496 paud_control.request_info = (char *) &paud_change;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
497 if (ioctl(fd, AUDIO_CONTROL, &paud_control) < 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 #ifdef DEBUG_AUDIO
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
499 fprintf(stderr, "Can't change audio display settings\n");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
501 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
503 /*
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
504 * Tell the device to expect data. Actual start will wait for
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
505 * the first write() call.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
506 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
507 paud_control.ioctl_request = AUDIO_START;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
508 paud_control.position = 0;
2049
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
509 if (ioctl(fd, AUDIO_CONTROL, &paud_control) < 0) {
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
510 PAUDIO_CloseDevice(this);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 #ifdef DEBUG_AUDIO
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
512 fprintf(stderr, "Can't start audio play\n");
0
74212992fb08 Initial revision
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parents:
diff changeset
513 #endif
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
514 SDL_SetError("Can't start audio play");
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
515 return 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
516 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
518 /* Check to see if we need to use select() workaround */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
519 if (workaround != NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
520 this->hidden->frame_ticks = (float) (this->spec.samples * 1000) /
2060
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Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
521 this->spec.freq;
2049
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
522 this->hidden->next_frame = SDL_GetTicks() + this->hidden->frame_ticks;
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
523 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
525 /* We're ready to rock and roll. :-) */
2049
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
526 return 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528
2049
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
529 static int
2060
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Sam Lantinga <slouken@libsdl.org>
parents: 2049
diff changeset
530 PAUDIO_Init(SDL_AudioDriverImpl * impl)
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
531 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
532 int fd = OpenAudioPath(NULL, 0, OPEN_FLAGS, 0);
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
533 if (fd < 0) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
534 SDL_SetError("PAUDIO: Couldn't open audio device");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
535 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
536 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
537 close(fd);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
538
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
539 /* Set the function pointers */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
540 impl->OpenDevice = DSP_OpenDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
541 impl->PlayDevice = DSP_PlayDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
542 impl->PlayDevice = DSP_WaitDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
543 impl->GetDeviceBuf = DSP_GetDeviceBuf;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
544 impl->CloseDevice = DSP_CloseDevice;
2060
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parents: 2049
diff changeset
545 impl->OnlyHasDefaultOutputDevice = 1; /* !!! FIXME: add device enum! */
2049
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
546
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Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
547 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
548 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
549
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
550 AudioBootStrap PAUDIO_bootstrap = {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
551 PAUDIO_DRIVER_NAME, "AIX Paudio", PAUDIO_Init, 0
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
552 };
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 1982
diff changeset
553
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
554 /* vi: set ts=4 sw=4 expandtab: */