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annotate src/audio/ums/SDL_umsaudio.c @ 1666:6e7ec5cb83c3 SDL-1.3

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The dummy video driver compiles. :)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 28 May 2006 21:56:07 +0000
parents 782fd950bd46
children 4da1ee79c9af
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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/types.h>
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32 #include <sys/time.h>
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33 #include <sys/ioctl.h>
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34 #include <sys/stat.h>
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35 #include <sys/mman.h>
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36
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37 #include "SDL_audio.h"
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38 #include "../SDL_audio_c.h"
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39 #include "../SDL_audiodev_c.h"
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40 #include "SDL_umsaudio.h"
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41
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42 /* The tag name used by UMS audio */
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43 #define UMS_DRIVER_NAME "ums"
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44
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45 #define DEBUG_AUDIO 1
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46
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47 /* Audio driver functions */
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48 static int UMS_OpenAudio (_THIS, SDL_AudioSpec * spec);
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49 static void UMS_PlayAudio (_THIS);
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50 static Uint8 *UMS_GetAudioBuf (_THIS);
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51 static void UMS_CloseAudio (_THIS);
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52
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53 static UMSAudioDevice_ReturnCode UADOpen (_THIS, string device, string mode,
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54 long flags);
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55 static UMSAudioDevice_ReturnCode UADClose (_THIS);
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56 static UMSAudioDevice_ReturnCode UADGetBitsPerSample (_THIS, long *bits);
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57 static UMSAudioDevice_ReturnCode UADSetBitsPerSample (_THIS, long bits);
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58 static UMSAudioDevice_ReturnCode UADSetSampleRate (_THIS, long rate,
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59 long *set_rate);
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60 static UMSAudioDevice_ReturnCode UADSetByteOrder (_THIS, string byte_order);
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61 static UMSAudioDevice_ReturnCode UADSetAudioFormatType (_THIS, string fmt);
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62 static UMSAudioDevice_ReturnCode UADSetNumberFormat (_THIS, string fmt);
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63 static UMSAudioDevice_ReturnCode UADInitialize (_THIS);
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64 static UMSAudioDevice_ReturnCode UADStart (_THIS);
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65 static UMSAudioDevice_ReturnCode UADStop (_THIS);
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66 static UMSAudioDevice_ReturnCode UADSetTimeFormat (_THIS,
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67 UMSAudioTypes_TimeFormat
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68 fmt);
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69 static UMSAudioDevice_ReturnCode UADWriteBuffSize (_THIS, long *buff_size);
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70 static UMSAudioDevice_ReturnCode UADWriteBuffRemain (_THIS, long *buff_size);
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71 static UMSAudioDevice_ReturnCode UADWriteBuffUsed (_THIS, long *buff_size);
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72 static UMSAudioDevice_ReturnCode UADSetDMABufferSize (_THIS, long bytes,
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73 long *bytes_ret);
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74 static UMSAudioDevice_ReturnCode UADSetVolume (_THIS, long volume);
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75 static UMSAudioDevice_ReturnCode UADSetBalance (_THIS, long balance);
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76 static UMSAudioDevice_ReturnCode UADSetChannels (_THIS, long channels);
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77 static UMSAudioDevice_ReturnCode UADPlayRemainingData (_THIS, boolean block);
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78 static UMSAudioDevice_ReturnCode UADEnableOutput (_THIS, string output,
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79 long *left_gain,
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80 long *right_gain);
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81 static UMSAudioDevice_ReturnCode UADWrite (_THIS, UMSAudioTypes_Buffer * buff,
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82 long samples,
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83 long *samples_written);
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84
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85 /* Audio driver bootstrap functions */
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86 static int
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87 Audio_Available (void)
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88 {
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89 return 1;
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90 }
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91
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92 static void
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93 Audio_DeleteDevice (_THIS)
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94 {
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95 if (this->hidden->playbuf._buffer)
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96 SDL_free (this->hidden->playbuf._buffer);
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97 if (this->hidden->fillbuf._buffer)
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98 SDL_free (this->hidden->fillbuf._buffer);
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99 _somFree (this->hidden->umsdev);
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100 SDL_free (this->hidden);
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101 SDL_free (this);
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102 }
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103
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104 static SDL_AudioDevice *
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105 Audio_CreateDevice (int devindex)
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106 {
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107 SDL_AudioDevice *this;
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108
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109 /*
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110 * Allocate and initialize management storage and private management
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111 * storage for this SDL-using library.
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112 */
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113 this = (SDL_AudioDevice *) SDL_malloc (sizeof (SDL_AudioDevice));
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114 if (this) {
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115 SDL_memset (this, 0, (sizeof *this));
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116 this->hidden = (struct SDL_PrivateAudioData *)
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117 SDL_malloc ((sizeof *this->hidden));
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118 }
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119 if ((this == NULL) || (this->hidden == NULL)) {
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120 SDL_OutOfMemory ();
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121 if (this) {
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122 SDL_free (this);
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123 }
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124 return (0);
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125 }
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126 SDL_memset (this->hidden, 0, (sizeof *this->hidden));
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127 #ifdef DEBUG_AUDIO
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128 fprintf (stderr, "Creating UMS Audio device\n");
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129 #endif
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130
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131 /*
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132 * Calls for UMS env initialization and audio object construction.
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133 */
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134 this->hidden->ev = somGetGlobalEnvironment ();
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135 this->hidden->umsdev = UMSAudioDeviceNew ();
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136
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137 /*
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138 * Set the function pointers.
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139 */
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140 this->OpenAudio = UMS_OpenAudio;
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141 this->WaitAudio = NULL; /* we do blocking output */
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142 this->PlayAudio = UMS_PlayAudio;
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143 this->GetAudioBuf = UMS_GetAudioBuf;
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144 this->CloseAudio = UMS_CloseAudio;
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145 this->free = Audio_DeleteDevice;
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146
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147 #ifdef DEBUG_AUDIO
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148 fprintf (stderr, "done\n");
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149 #endif
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150 return this;
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151 }
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152
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153 AudioBootStrap UMS_bootstrap = {
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154 UMS_DRIVER_NAME, "AUX UMS audio",
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155 Audio_Available, Audio_CreateDevice
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156 };
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157
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158 static Uint8 *
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159 UMS_GetAudioBuf (_THIS)
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160 {
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161 #ifdef DEBUG_AUDIO
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162 fprintf (stderr, "enter UMS_GetAudioBuf\n");
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163 #endif
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164 return this->hidden->fillbuf._buffer;
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165 /*
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166 long bufSize;
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167 UMSAudioDevice_ReturnCode rc;
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168
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169 rc = UADSetTimeFormat(this, UMSAudioTypes_Bytes );
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170 rc = UADWriteBuffSize(this, bufSize );
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171 */
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172 }
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173
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174 static void
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175 UMS_CloseAudio (_THIS)
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176 {
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177 UMSAudioDevice_ReturnCode rc;
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178
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179 #ifdef DEBUG_AUDIO
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180 fprintf (stderr, "enter UMS_CloseAudio\n");
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181 #endif
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182 rc = UADPlayRemainingData (this, TRUE);
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183 rc = UADStop (this);
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184 rc = UADClose (this);
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185 }
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186
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187 static void
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188 UMS_PlayAudio (_THIS)
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189 {
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190 UMSAudioDevice_ReturnCode rc;
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191 long samplesToWrite;
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192 long samplesWritten;
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193 UMSAudioTypes_Buffer swpbuf;
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194
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195 #ifdef DEBUG_AUDIO
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196 fprintf (stderr, "enter UMS_PlayAudio\n");
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197 #endif
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198 samplesToWrite =
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199 this->hidden->playbuf._length / this->hidden->bytesPerSample;
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200 do {
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201 rc = UADWrite (this, &this->hidden->playbuf,
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202 samplesToWrite, &samplesWritten);
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203 samplesToWrite -= samplesWritten;
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204
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205 /* rc values: UMSAudioDevice_Success
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206 * UMSAudioDevice_Failure
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207 * UMSAudioDevice_Preempted
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208 * UMSAudioDevice_Interrupted
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209 * UMSAudioDevice_DeviceError
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210 */
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211 if (rc == UMSAudioDevice_DeviceError) {
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212 #ifdef DEBUG_AUDIO
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213 fprintf (stderr, "Returning from PlayAudio with devices error\n");
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214 #endif
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215 return;
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216 }
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217 }
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218 while (samplesToWrite > 0);
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219
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220 SDL_LockAudio ();
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221 SDL_memcpy (&swpbuf, &this->hidden->playbuf,
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222 sizeof (UMSAudioTypes_Buffer));
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223 SDL_memcpy (&this->hidden->playbuf, &this->hidden->fillbuf,
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224 sizeof (UMSAudioTypes_Buffer));
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225 SDL_memcpy (&this->hidden->fillbuf, &swpbuf,
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226 sizeof (UMSAudioTypes_Buffer));
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227 SDL_UnlockAudio ();
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228
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229 #ifdef DEBUG_AUDIO
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230 fprintf (stderr, "Wrote audio data and swapped buffer\n");
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231 #endif
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232 }
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233
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234 #if 0
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235 // /* Set the DSP frequency */
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236 // value = spec->freq;
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237 // if ( ioctl(this->hidden->audio_fd, SOUND_PCM_WRITE_RATE, &value) < 0 ) {
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238 // SDL_SetError("Couldn't set audio frequency");
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239 // return(-1);
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240 // }
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241 // spec->freq = value;
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242 #endif
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243
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244 static int
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245 UMS_OpenAudio (_THIS, SDL_AudioSpec * spec)
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246 {
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247 char *audiodev = "/dev/paud0";
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248 long lgain;
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249 long rgain;
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250 long outRate;
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251 long outBufSize;
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252 long bitsPerSample;
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253 long samplesPerSec;
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254 long success;
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255 Uint16 test_format;
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256 int frag_spec;
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257 UMSAudioDevice_ReturnCode rc;
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258
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259 #ifdef DEBUG_AUDIO
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260 fprintf (stderr, "enter UMS_OpenAudio\n");
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261 #endif
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262 rc = UADOpen (this, audiodev, "PLAY", UMSAudioDevice_BlockingIO);
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263 if (rc != UMSAudioDevice_Success) {
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264 SDL_SetError ("Couldn't open %s: %s", audiodev, strerror (errno));
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265 return -1;
0
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266 }
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267
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268 rc = UADSetAudioFormatType (this, "PCM");
0
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269
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270 success = 0;
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271 test_format = SDL_FirstAudioFormat (spec->format);
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diff changeset
272 do {
0
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diff changeset
273 #ifdef DEBUG_AUDIO
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274 fprintf (stderr, "Trying format 0x%4.4x\n", test_format);
0
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275 #endif
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diff changeset
276 switch (test_format) {
0
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277 case AUDIO_U8:
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diff changeset
278 /* from the mac code: better ? */
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diff changeset
279 /* sample_bits = spec->size / spec->samples / spec->channels * 8; */
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280 success = 1;
0
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281 bitsPerSample = 8;
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282 rc = UADSetSampleRate (this, spec->freq << 16, &outRate);
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283 rc = UADSetByteOrder (this, "MSB"); /* irrelevant */
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284 rc = UADSetNumberFormat (this, "UNSIGNED");
0
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285 break;
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286 case AUDIO_S8:
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287 success = 1;
0
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288 bitsPerSample = 8;
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289 rc = UADSetSampleRate (this, spec->freq << 16, &outRate);
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290 rc = UADSetByteOrder (this, "MSB"); /* irrelevant */
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291 rc = UADSetNumberFormat (this, "SIGNED");
0
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292 break;
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293 case AUDIO_S16LSB:
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294 success = 1;
0
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295 bitsPerSample = 16;
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296 rc = UADSetSampleRate (this, spec->freq << 16, &outRate);
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297 rc = UADSetByteOrder (this, "LSB");
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298 rc = UADSetNumberFormat (this, "SIGNED");
0
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299 break;
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300 case AUDIO_S16MSB:
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301 success = 1;
0
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302 bitsPerSample = 16;
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303 rc = UADSetSampleRate (this, spec->freq << 16, &outRate);
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304 rc = UADSetByteOrder (this, "MSB");
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305 rc = UADSetNumberFormat (this, "SIGNED");
0
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306 break;
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diff changeset
307 case AUDIO_U16LSB:
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diff changeset
308 success = 1;
0
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309 bitsPerSample = 16;
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310 rc = UADSetSampleRate (this, spec->freq << 16, &outRate);
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diff changeset
311 rc = UADSetByteOrder (this, "LSB");
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diff changeset
312 rc = UADSetNumberFormat (this, "UNSIGNED");
0
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parents:
diff changeset
313 break;
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diff changeset
314 case AUDIO_U16MSB:
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parents: 1402
diff changeset
315 success = 1;
0
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diff changeset
316 bitsPerSample = 16;
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diff changeset
317 rc = UADSetSampleRate (this, spec->freq << 16, &outRate);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
318 rc = UADSetByteOrder (this, "MSB");
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
319 rc = UADSetNumberFormat (this, "UNSIGNED");
0
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parents:
diff changeset
320 break;
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parents:
diff changeset
321 default:
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parents:
diff changeset
322 break;
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parents:
diff changeset
323 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
324 if (!success) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
325 test_format = SDL_NextAudioFormat ();
0
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parents:
diff changeset
326 }
74212992fb08 Initial revision
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diff changeset
327 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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328 while (!success && test_format);
0
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diff changeset
329
1662
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parents: 1402
diff changeset
330 if (success == 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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331 SDL_SetError ("Couldn't find any hardware audio formats");
0
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diff changeset
332 return -1;
74212992fb08 Initial revision
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parents:
diff changeset
333 }
74212992fb08 Initial revision
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parents:
diff changeset
334
74212992fb08 Initial revision
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parents:
diff changeset
335 spec->format = test_format;
74212992fb08 Initial revision
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parents:
diff changeset
336
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
337 for (frag_spec = 0; (0x01 << frag_spec) < spec->size; ++frag_spec);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
338 if ((0x01 << frag_spec) != spec->size) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
339 SDL_SetError ("Fragment size must be a power of two");
0
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parents:
diff changeset
340 return -1;
74212992fb08 Initial revision
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parents:
diff changeset
341 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
342 if (frag_spec > 2048)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1402
diff changeset
343 frag_spec = 2048;
0
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diff changeset
344
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
345 this->hidden->bytesPerSample = (bitsPerSample / 8) * spec->channels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
346 samplesPerSec = this->hidden->bytesPerSample * outRate;
0
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parents:
diff changeset
347
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
348 this->hidden->playbuf._length = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
349 this->hidden->playbuf._maximum = spec->size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
350 this->hidden->playbuf._buffer = (unsigned char *) SDL_malloc (spec->size);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
351 this->hidden->fillbuf._length = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
352 this->hidden->fillbuf._maximum = spec->size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
353 this->hidden->fillbuf._buffer = (unsigned char *) SDL_malloc (spec->size);
0
74212992fb08 Initial revision
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parents:
diff changeset
354
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
355 rc = UADSetBitsPerSample (this, bitsPerSample);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
356 rc = UADSetDMABufferSize (this, frag_spec, &outBufSize);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
357 rc = UADSetChannels (this, spec->channels); /* functions reduces to mono or stereo */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
358
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
359 lgain = 100; /*maximum left input gain */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
360 rgain = 100; /*maimum right input gain */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
361 rc = UADEnableOutput (this, "LINE_OUT", &lgain, &rgain);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
362 rc = UADInitialize (this);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
363 rc = UADStart (this);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
364 rc = UADSetVolume (this, 100);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
365 rc = UADSetBalance (this, 0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366
74212992fb08 Initial revision
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parents:
diff changeset
367 /* We're ready to rock and roll. :-) */
74212992fb08 Initial revision
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parents:
diff changeset
368 return 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
370
0
74212992fb08 Initial revision
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parents:
diff changeset
371
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
372 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
373 UADGetBitsPerSample (_THIS, long *bits)
0
74212992fb08 Initial revision
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parents:
diff changeset
374 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
375 return UMSAudioDevice_get_bits_per_sample (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
376 this->hidden->ev, bits);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
379 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
380 UADSetBitsPerSample (_THIS, long bits)
0
74212992fb08 Initial revision
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parents:
diff changeset
381 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
382 return UMSAudioDevice_set_bits_per_sample (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
383 this->hidden->ev, bits);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
386 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
387 UADSetSampleRate (_THIS, long rate, long *set_rate)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 {
74212992fb08 Initial revision
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parents:
diff changeset
389 /* from the mac code: sample rate = spec->freq << 16; */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
390 return UMSAudioDevice_set_sample_rate (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
391 this->hidden->ev, rate, set_rate);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
392 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
393
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
394 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
395 UADSetByteOrder (_THIS, string byte_order)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
396 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
397 return UMSAudioDevice_set_byte_order (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
398 this->hidden->ev, byte_order);
0
74212992fb08 Initial revision
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parents:
diff changeset
399 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
401 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
402 UADSetAudioFormatType (_THIS, string fmt)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
404 /* possible PCM, A_LAW or MU_LAW */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
405 return UMSAudioDevice_set_audio_format_type (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
406 this->hidden->ev, fmt);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
409 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
410 UADSetNumberFormat (_THIS, string fmt)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 /* possible SIGNED, UNSIGNED, or TWOS_COMPLEMENT */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
413 return UMSAudioDevice_set_number_format (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
414 this->hidden->ev, fmt);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
417 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
418 UADInitialize (_THIS)
0
74212992fb08 Initial revision
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parents:
diff changeset
419 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
420 return UMSAudioDevice_initialize (this->hidden->umsdev, this->hidden->ev);
0
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parents:
diff changeset
421 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
423 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
424 UADStart (_THIS)
0
74212992fb08 Initial revision
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parents:
diff changeset
425 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
426 return UMSAudioDevice_start (this->hidden->umsdev, this->hidden->ev);
0
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parents:
diff changeset
427 }
74212992fb08 Initial revision
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parents:
diff changeset
428
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
429 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
430 UADSetTimeFormat (_THIS, UMSAudioTypes_TimeFormat fmt)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 {
74212992fb08 Initial revision
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parents:
diff changeset
432 /*
74212992fb08 Initial revision
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parents:
diff changeset
433 * Switches the time format to the new format, immediately.
74212992fb08 Initial revision
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parents:
diff changeset
434 * possible UMSAudioTypes_Msecs, UMSAudioTypes_Bytes or UMSAudioTypes_Samples
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
436 return UMSAudioDevice_set_time_format (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
437 this->hidden->ev, fmt);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
440 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
441 UADWriteBuffSize (_THIS, long *buff_size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 * returns write buffer size in the current time format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
446 return UMSAudioDevice_write_buff_size (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
447 this->hidden->ev, buff_size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
450 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
451 UADWriteBuffRemain (_THIS, long *buff_size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 * returns amount of available space in the write buffer
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 * in the current time format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
457 return UMSAudioDevice_write_buff_remain (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
458 this->hidden->ev, buff_size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
461 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
462 UADWriteBuffUsed (_THIS, long *buff_size)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 * returns amount of filled space in the write buffer
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 * in the current time format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
468 return UMSAudioDevice_write_buff_used (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
469 this->hidden->ev, buff_size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
472 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
473 UADSetDMABufferSize (_THIS, long bytes, long *bytes_ret)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 * Request a new DMA buffer size, maximum requested size 2048.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 * Takes effect with next initialize() call.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 * Devices may or may not support DMA.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
480 return UMSAudioDevice_set_DMA_buffer_size (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
481 this->hidden->ev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
482 bytes, bytes_ret);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
485 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
486 UADSetVolume (_THIS, long volume)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 * Set the volume.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490 * Takes effect immediately.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
492 return UMSAudioDevice_set_volume (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
493 this->hidden->ev, volume);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
496 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
497 UADSetBalance (_THIS, long balance)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 * Set the balance.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 * Takes effect immediately.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
503 return UMSAudioDevice_set_balance (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
504 this->hidden->ev, balance);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
507 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
508 UADSetChannels (_THIS, long channels)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 * Set mono or stereo.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 * Takes effect with next initialize() call.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
514 if (channels != 1)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
515 channels = 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
516 return UMSAudioDevice_set_number_of_channels (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
517 this->hidden->ev, channels);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
520 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
521 UADOpen (_THIS, string device, string mode, long flags)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
523 return UMSAudioDevice_open (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
524 this->hidden->ev, device, mode, flags);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
527 static UMSAudioDevice_ReturnCode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
528 UADWrite (_THIS, UMSAudioTypes_Buffer * buff,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
529 long samples, long *samples_written)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
531 return UMSAudioDevice_write (this->hidden->umsdev,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
532 this->hidden->ev,
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533 buff, samples, samples_written);
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534 }
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535
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536 static UMSAudioDevice_ReturnCode
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537 UADPlayRemainingData (_THIS, boolean block)
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538 {
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539 return UMSAudioDevice_play_remaining_data (this->hidden->umsdev,
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540 this->hidden->ev, block);
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541 }
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542
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543 static UMSAudioDevice_ReturnCode
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544 UADStop (_THIS)
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545 {
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546 return UMSAudioDevice_stop (this->hidden->umsdev, this->hidden->ev);
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547 }
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548
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549 static UMSAudioDevice_ReturnCode
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550 UADClose (_THIS)
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551 {
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552 return UMSAudioDevice_close (this->hidden->umsdev, this->hidden->ev);
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553 }
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diff changeset
554
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555 static UMSAudioDevice_ReturnCode
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556 UADEnableOutput (_THIS, string output, long *left_gain, long *right_gain)
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557 {
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558 return UMSAudioDevice_enable_output (this->hidden->umsdev,
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559 this->hidden->ev,
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560 output, left_gain, right_gain);
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561 }
74212992fb08 Initial revision
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562
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563 /* vi: set ts=4 sw=4 expandtab: */