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1 /* |
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2 * QEMU DirectSound audio driver |
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3 * |
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4 * Copyright (c) 2005 Vassili Karpov (malc) |
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5 * |
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6 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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7 * of this software and associated documentation files (the "Software"), to deal |
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8 * in the Software without restriction, including without limitation the rights |
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9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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10 * copies of the Software, and to permit persons to whom the Software is |
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11 * furnished to do so, subject to the following conditions: |
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12 * |
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13 * The above copyright notice and this permission notice shall be included in |
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14 * all copies or substantial portions of the Software. |
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15 * |
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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22 * THE SOFTWARE. |
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23 */ |
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24 |
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25 /* |
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26 * SEAL 1.07 by Carlos 'pel' Hasan was used as documentation |
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27 */ |
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28 |
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29 #include "qemu-common.h" |
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30 #include "audio.h" |
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31 |
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32 #define AUDIO_CAP "dsound" |
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33 #include "audio_int.h" |
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34 |
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35 #define WIN32_LEAN_AND_MEAN |
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36 #include <windows.h> |
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37 #include <mmsystem.h> |
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38 #include <objbase.h> |
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39 #include <dsound.h> |
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40 |
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41 /* #define DEBUG_DSOUND */ |
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42 |
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43 static struct { |
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44 int lock_retries; |
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45 int restore_retries; |
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46 int getstatus_retries; |
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47 int set_primary; |
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48 int bufsize_in; |
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49 int bufsize_out; |
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50 struct audsettings settings; |
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51 int latency_millis; |
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52 } conf = { |
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53 1, |
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54 1, |
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55 1, |
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56 0, |
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57 16384, |
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58 16384, |
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59 { |
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60 44100, |
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61 2, |
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62 AUD_FMT_S16 |
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63 }, |
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64 10 |
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65 }; |
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66 |
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67 typedef struct { |
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68 LPDIRECTSOUND dsound; |
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69 LPDIRECTSOUNDCAPTURE dsound_capture; |
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70 LPDIRECTSOUNDBUFFER dsound_primary_buffer; |
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71 struct audsettings settings; |
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72 } dsound; |
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73 |
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74 static dsound glob_dsound; |
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75 |
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76 typedef struct { |
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77 HWVoiceOut hw; |
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78 LPDIRECTSOUNDBUFFER dsound_buffer; |
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79 DWORD old_pos; |
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80 int first_time; |
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81 #ifdef DEBUG_DSOUND |
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82 DWORD old_ppos; |
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83 DWORD played; |
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84 DWORD mixed; |
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85 #endif |
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86 } DSoundVoiceOut; |
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87 |
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88 typedef struct { |
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89 HWVoiceIn hw; |
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90 int first_time; |
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91 LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer; |
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92 } DSoundVoiceIn; |
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93 |
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94 static void dsound_log_hresult (HRESULT hr) |
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95 { |
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96 const char *str = "BUG"; |
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97 |
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98 switch (hr) { |
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99 case DS_OK: |
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100 str = "The method succeeded"; |
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101 break; |
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102 #ifdef DS_NO_VIRTUALIZATION |
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103 case DS_NO_VIRTUALIZATION: |
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104 str = "The buffer was created, but another 3D algorithm was substituted"; |
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105 break; |
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106 #endif |
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107 #ifdef DS_INCOMPLETE |
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108 case DS_INCOMPLETE: |
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109 str = "The method succeeded, but not all the optional effects were obtained"; |
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110 break; |
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111 #endif |
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112 #ifdef DSERR_ACCESSDENIED |
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113 case DSERR_ACCESSDENIED: |
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114 str = "The request failed because access was denied"; |
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115 break; |
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116 #endif |
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117 #ifdef DSERR_ALLOCATED |
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118 case DSERR_ALLOCATED: |
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119 str = "The request failed because resources, such as a priority level, were already in use by another caller"; |
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120 break; |
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121 #endif |
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122 #ifdef DSERR_ALREADYINITIALIZED |
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123 case DSERR_ALREADYINITIALIZED: |
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124 str = "The object is already initialized"; |
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125 break; |
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126 #endif |
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127 #ifdef DSERR_BADFORMAT |
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128 case DSERR_BADFORMAT: |
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129 str = "The specified wave format is not supported"; |
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130 break; |
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131 #endif |
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132 #ifdef DSERR_BADSENDBUFFERGUID |
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133 case DSERR_BADSENDBUFFERGUID: |
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134 str = "The GUID specified in an audiopath file does not match a valid mix-in buffer"; |
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135 break; |
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136 #endif |
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137 #ifdef DSERR_BUFFERLOST |
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138 case DSERR_BUFFERLOST: |
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139 str = "The buffer memory has been lost and must be restored"; |
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140 break; |
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141 #endif |
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142 #ifdef DSERR_BUFFERTOOSMALL |
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143 case DSERR_BUFFERTOOSMALL: |
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144 str = "The buffer size is not great enough to enable effects processing"; |
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145 break; |
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146 #endif |
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147 #ifdef DSERR_CONTROLUNAVAIL |
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148 case DSERR_CONTROLUNAVAIL: |
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149 str = "The buffer control (volume, pan, and so on) requested by the caller is not available. Controls must be specified when the buffer is created, using the dwFlags member of DSBUFFERDESC"; |
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150 break; |
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151 #endif |
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152 #ifdef DSERR_DS8_REQUIRED |
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153 case DSERR_DS8_REQUIRED: |
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154 str = "A DirectSound object of class CLSID_DirectSound8 or later is required for the requested functionality. For more information, see IDirectSound8 Interface"; |
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155 break; |
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156 #endif |
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157 #ifdef DSERR_FXUNAVAILABLE |
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158 case DSERR_FXUNAVAILABLE: |
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159 str = "The effects requested could not be found on the system, or they are in the wrong order or in the wrong location; for example, an effect expected in hardware was found in software"; |
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160 break; |
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161 #endif |
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162 #ifdef DSERR_GENERIC |
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163 case DSERR_GENERIC : |
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164 str = "An undetermined error occurred inside the DirectSound subsystem"; |
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165 break; |
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166 #endif |
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167 #ifdef DSERR_INVALIDCALL |
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168 case DSERR_INVALIDCALL: |
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169 str = "This function is not valid for the current state of this object"; |
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170 break; |
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171 #endif |
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172 #ifdef DSERR_INVALIDPARAM |
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173 case DSERR_INVALIDPARAM: |
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174 str = "An invalid parameter was passed to the returning function"; |
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175 break; |
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176 #endif |
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177 #ifdef DSERR_NOAGGREGATION |
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178 case DSERR_NOAGGREGATION: |
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179 str = "The object does not support aggregation"; |
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180 break; |
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181 #endif |
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182 #ifdef DSERR_NODRIVER |
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183 case DSERR_NODRIVER: |
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184 str = "No sound driver is available for use, or the given GUID is not a valid DirectSound device ID"; |
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185 break; |
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186 #endif |
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187 #ifdef DSERR_NOINTERFACE |
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188 case DSERR_NOINTERFACE: |
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189 str = "The requested COM interface is not available"; |
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190 break; |
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191 #endif |
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192 #ifdef DSERR_OBJECTNOTFOUND |
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193 case DSERR_OBJECTNOTFOUND: |
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194 str = "The requested object was not found"; |
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195 break; |
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196 #endif |
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197 #ifdef DSERR_OTHERAPPHASPRIO |
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198 case DSERR_OTHERAPPHASPRIO: |
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199 str = "Another application has a higher priority level, preventing this call from succeeding"; |
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200 break; |
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201 #endif |
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202 #ifdef DSERR_OUTOFMEMORY |
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203 case DSERR_OUTOFMEMORY: |
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204 str = "The DirectSound subsystem could not allocate sufficient memory to complete the caller's request"; |
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205 break; |
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206 #endif |
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207 #ifdef DSERR_PRIOLEVELNEEDED |
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208 case DSERR_PRIOLEVELNEEDED: |
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209 str = "A cooperative level of DSSCL_PRIORITY or higher is required"; |
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210 break; |
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211 #endif |
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212 #ifdef DSERR_SENDLOOP |
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213 case DSERR_SENDLOOP: |
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214 str = "A circular loop of send effects was detected"; |
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215 break; |
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216 #endif |
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217 #ifdef DSERR_UNINITIALIZED |
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218 case DSERR_UNINITIALIZED: |
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219 str = "The Initialize method has not been called or has not been called successfully before other methods were called"; |
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220 break; |
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221 #endif |
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222 #ifdef DSERR_UNSUPPORTED |
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223 case DSERR_UNSUPPORTED: |
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224 str = "The function called is not supported at this time"; |
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225 break; |
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226 #endif |
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227 default: |
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228 AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT %#lx)\n", hr); |
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229 return; |
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230 } |
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231 |
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232 AUD_log (AUDIO_CAP, "Reason: %s\n", str); |
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233 } |
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234 |
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235 static void GCC_FMT_ATTR (2, 3) dsound_logerr ( |
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236 HRESULT hr, |
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237 const char *fmt, |
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238 ... |
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239 ) |
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240 { |
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241 va_list ap; |
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242 |
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243 va_start (ap, fmt); |
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244 AUD_vlog (AUDIO_CAP, fmt, ap); |
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245 va_end (ap); |
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246 |
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247 dsound_log_hresult (hr); |
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248 } |
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249 |
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250 static void GCC_FMT_ATTR (3, 4) dsound_logerr2 ( |
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251 HRESULT hr, |
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252 const char *typ, |
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253 const char *fmt, |
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254 ... |
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255 ) |
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256 { |
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257 va_list ap; |
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258 |
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259 AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); |
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260 va_start (ap, fmt); |
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261 AUD_vlog (AUDIO_CAP, fmt, ap); |
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262 va_end (ap); |
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263 |
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264 dsound_log_hresult (hr); |
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265 } |
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266 |
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267 static DWORD millis_to_bytes (struct audio_pcm_info *info, DWORD millis) |
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268 { |
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269 return (millis * info->bytes_per_second) / 1000; |
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270 } |
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271 |
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272 #ifdef DEBUG_DSOUND |
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273 static void print_wave_format (WAVEFORMATEX *wfx) |
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274 { |
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275 dolog ("tag = %d\n", wfx->wFormatTag); |
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276 dolog ("nChannels = %d\n", wfx->nChannels); |
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277 dolog ("nSamplesPerSec = %ld\n", wfx->nSamplesPerSec); |
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278 dolog ("nAvgBytesPerSec = %ld\n", wfx->nAvgBytesPerSec); |
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279 dolog ("nBlockAlign = %d\n", wfx->nBlockAlign); |
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280 dolog ("wBitsPerSample = %d\n", wfx->wBitsPerSample); |
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281 dolog ("cbSize = %d\n", wfx->cbSize); |
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282 } |
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283 #endif |
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284 |
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285 static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb) |
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286 { |
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287 HRESULT hr; |
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288 int i; |
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289 |
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290 for (i = 0; i < conf.restore_retries; ++i) { |
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291 hr = IDirectSoundBuffer_Restore (dsb); |
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292 |
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293 switch (hr) { |
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294 case DS_OK: |
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295 return 0; |
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296 |
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297 case DSERR_BUFFERLOST: |
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298 continue; |
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299 |
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300 default: |
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301 dsound_logerr (hr, "Could not restore playback buffer\n"); |
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302 return -1; |
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303 } |
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304 } |
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305 |
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306 dolog ("%d attempts to restore playback buffer failed\n", i); |
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307 return -1; |
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308 } |
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309 |
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310 static int waveformat_from_audio_settings (WAVEFORMATEX *wfx, |
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311 struct audsettings *as) |
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312 { |
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313 memset (wfx, 0, sizeof (*wfx)); |
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314 |
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315 wfx->wFormatTag = WAVE_FORMAT_PCM; |
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316 wfx->nChannels = as->nchannels; |
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317 wfx->nSamplesPerSec = as->freq; |
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318 wfx->nAvgBytesPerSec = as->freq << (as->nchannels == 2); |
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319 wfx->nBlockAlign = 1 << (as->nchannels == 2); |
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320 wfx->cbSize = 0; |
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321 |
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322 switch (as->fmt) { |
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323 case AUD_FMT_S8: |
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324 case AUD_FMT_U8: |
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325 wfx->wBitsPerSample = 8; |
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326 break; |
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327 |
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328 case AUD_FMT_S16: |
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329 case AUD_FMT_U16: |
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330 wfx->wBitsPerSample = 16; |
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331 wfx->nAvgBytesPerSec <<= 1; |
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332 wfx->nBlockAlign <<= 1; |
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333 break; |
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334 |
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335 case AUD_FMT_S32: |
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336 case AUD_FMT_U32: |
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337 wfx->wBitsPerSample = 32; |
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338 wfx->nAvgBytesPerSec <<= 2; |
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339 wfx->nBlockAlign <<= 2; |
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340 break; |
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341 |
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342 default: |
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343 dolog ("Internal logic error: Bad audio format %d\n", as->freq); |
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344 return -1; |
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345 } |
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346 |
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347 return 0; |
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348 } |
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349 |
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350 static int waveformat_to_audio_settings (WAVEFORMATEX *wfx, |
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351 struct audsettings *as) |
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352 { |
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353 if (wfx->wFormatTag != WAVE_FORMAT_PCM) { |
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354 dolog ("Invalid wave format, tag is not PCM, but %d\n", |
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355 wfx->wFormatTag); |
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356 return -1; |
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357 } |
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358 |
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359 if (!wfx->nSamplesPerSec) { |
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360 dolog ("Invalid wave format, frequency is zero\n"); |
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361 return -1; |
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362 } |
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363 as->freq = wfx->nSamplesPerSec; |
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364 |
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365 switch (wfx->nChannels) { |
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366 case 1: |
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367 as->nchannels = 1; |
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368 break; |
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369 |
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370 case 2: |
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371 as->nchannels = 2; |
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372 break; |
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373 |
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374 default: |
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375 dolog ( |
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376 "Invalid wave format, number of channels is not 1 or 2, but %d\n", |
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377 wfx->nChannels |
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378 ); |
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379 return -1; |
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380 } |
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381 |
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382 switch (wfx->wBitsPerSample) { |
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383 case 8: |
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384 as->fmt = AUD_FMT_U8; |
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385 break; |
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386 |
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387 case 16: |
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388 as->fmt = AUD_FMT_S16; |
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389 break; |
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390 |
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391 case 32: |
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392 as->fmt = AUD_FMT_S32; |
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393 break; |
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394 |
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395 default: |
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396 dolog ("Invalid wave format, bits per sample is not " |
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397 "8, 16 or 32, but %d\n", |
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398 wfx->wBitsPerSample); |
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399 return -1; |
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400 } |
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401 |
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402 return 0; |
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403 } |
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404 |
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405 #include "dsound_template.h" |
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406 #define DSBTYPE_IN |
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407 #include "dsound_template.h" |
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408 #undef DSBTYPE_IN |
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409 |
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410 static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp) |
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411 { |
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412 HRESULT hr; |
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413 int i; |
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414 |
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415 for (i = 0; i < conf.getstatus_retries; ++i) { |
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416 hr = IDirectSoundBuffer_GetStatus (dsb, statusp); |
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417 if (FAILED (hr)) { |
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418 dsound_logerr (hr, "Could not get playback buffer status\n"); |
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419 return -1; |
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420 } |
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421 |
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422 if (*statusp & DSERR_BUFFERLOST) { |
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423 if (dsound_restore_out (dsb)) { |
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424 return -1; |
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425 } |
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426 continue; |
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427 } |
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428 break; |
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429 } |
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430 |
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431 return 0; |
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432 } |
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433 |
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434 static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb, |
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435 DWORD *statusp) |
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436 { |
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437 HRESULT hr; |
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438 |
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439 hr = IDirectSoundCaptureBuffer_GetStatus (dscb, statusp); |
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440 if (FAILED (hr)) { |
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441 dsound_logerr (hr, "Could not get capture buffer status\n"); |
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442 return -1; |
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443 } |
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444 |
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445 return 0; |
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446 } |
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447 |
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448 static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len) |
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449 { |
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450 int src_len1 = dst_len; |
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451 int src_len2 = 0; |
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452 int pos = hw->rpos + dst_len; |
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453 struct st_sample *src1 = hw->mix_buf + hw->rpos; |
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454 struct st_sample *src2 = NULL; |
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455 |
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456 if (pos > hw->samples) { |
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457 src_len1 = hw->samples - hw->rpos; |
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458 src2 = hw->mix_buf; |
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459 src_len2 = dst_len - src_len1; |
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460 pos = src_len2; |
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461 } |
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462 |
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463 if (src_len1) { |
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464 hw->clip (dst, src1, src_len1); |
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465 } |
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466 |
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467 if (src_len2) { |
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468 dst = advance (dst, src_len1 << hw->info.shift); |
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469 hw->clip (dst, src2, src_len2); |
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470 } |
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471 |
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472 hw->rpos = pos % hw->samples; |
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473 } |
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474 |
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475 static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb) |
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476 { |
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477 int err; |
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478 LPVOID p1, p2; |
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479 DWORD blen1, blen2, len1, len2; |
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480 |
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481 err = dsound_lock_out ( |
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482 dsb, |
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483 &hw->info, |
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484 0, |
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485 hw->samples << hw->info.shift, |
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486 &p1, &p2, |
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487 &blen1, &blen2, |
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488 1 |
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489 ); |
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490 if (err) { |
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491 return; |
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492 } |
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493 |
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494 len1 = blen1 >> hw->info.shift; |
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495 len2 = blen2 >> hw->info.shift; |
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496 |
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497 #ifdef DEBUG_DSOUND |
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498 dolog ("clear %p,%ld,%ld %p,%ld,%ld\n", |
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499 p1, blen1, len1, |
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500 p2, blen2, len2); |
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501 #endif |
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502 |
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503 if (p1 && len1) { |
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504 audio_pcm_info_clear_buf (&hw->info, p1, len1); |
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505 } |
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506 |
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507 if (p2 && len2) { |
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508 audio_pcm_info_clear_buf (&hw->info, p2, len2); |
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509 } |
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510 |
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511 dsound_unlock_out (dsb, p1, p2, blen1, blen2); |
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512 } |
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513 |
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514 static void dsound_close (dsound *s) |
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515 { |
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516 HRESULT hr; |
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517 |
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518 if (s->dsound_primary_buffer) { |
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519 hr = IDirectSoundBuffer_Release (s->dsound_primary_buffer); |
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520 if (FAILED (hr)) { |
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521 dsound_logerr (hr, "Could not release primary buffer\n"); |
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522 } |
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523 s->dsound_primary_buffer = NULL; |
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524 } |
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525 } |
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526 |
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527 static int dsound_open (dsound *s) |
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528 { |
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529 int err; |
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530 HRESULT hr; |
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531 WAVEFORMATEX wfx; |
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532 DSBUFFERDESC dsbd; |
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533 HWND hwnd; |
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534 |
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535 hwnd = GetForegroundWindow (); |
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536 hr = IDirectSound_SetCooperativeLevel ( |
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537 s->dsound, |
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538 hwnd, |
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539 DSSCL_PRIORITY |
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540 ); |
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541 |
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542 if (FAILED (hr)) { |
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543 dsound_logerr (hr, "Could not set cooperative level for window %p\n", |
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544 hwnd); |
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545 return -1; |
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546 } |
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547 |
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548 if (!conf.set_primary) { |
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549 return 0; |
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550 } |
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551 |
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552 err = waveformat_from_audio_settings (&wfx, &conf.settings); |
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553 if (err) { |
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554 return -1; |
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555 } |
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556 |
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557 memset (&dsbd, 0, sizeof (dsbd)); |
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558 dsbd.dwSize = sizeof (dsbd); |
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559 dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER; |
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560 dsbd.dwBufferBytes = 0; |
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561 dsbd.lpwfxFormat = NULL; |
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562 |
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563 hr = IDirectSound_CreateSoundBuffer ( |
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564 s->dsound, |
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565 &dsbd, |
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566 &s->dsound_primary_buffer, |
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567 NULL |
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568 ); |
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569 if (FAILED (hr)) { |
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570 dsound_logerr (hr, "Could not create primary playback buffer\n"); |
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571 return -1; |
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572 } |
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573 |
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574 hr = IDirectSoundBuffer_SetFormat (s->dsound_primary_buffer, &wfx); |
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575 if (FAILED (hr)) { |
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576 dsound_logerr (hr, "Could not set primary playback buffer format\n"); |
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577 } |
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578 |
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579 hr = IDirectSoundBuffer_GetFormat ( |
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580 s->dsound_primary_buffer, |
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581 &wfx, |
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582 sizeof (wfx), |
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583 NULL |
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584 ); |
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585 if (FAILED (hr)) { |
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586 dsound_logerr (hr, "Could not get primary playback buffer format\n"); |
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587 goto fail0; |
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588 } |
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589 |
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590 #ifdef DEBUG_DSOUND |
|
591 dolog ("Primary\n"); |
|
592 print_wave_format (&wfx); |
|
593 #endif |
|
594 |
|
595 err = waveformat_to_audio_settings (&wfx, &s->settings); |
|
596 if (err) { |
|
597 goto fail0; |
|
598 } |
|
599 |
|
600 return 0; |
|
601 |
|
602 fail0: |
|
603 dsound_close (s); |
|
604 return -1; |
|
605 } |
|
606 |
|
607 static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...) |
|
608 { |
|
609 HRESULT hr; |
|
610 DWORD status; |
|
611 DSoundVoiceOut *ds = (DSoundVoiceOut *) hw; |
|
612 LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer; |
|
613 |
|
614 if (!dsb) { |
|
615 dolog ("Attempt to control voice without a buffer\n"); |
|
616 return 0; |
|
617 } |
|
618 |
|
619 switch (cmd) { |
|
620 case VOICE_ENABLE: |
|
621 if (dsound_get_status_out (dsb, &status)) { |
|
622 return -1; |
|
623 } |
|
624 |
|
625 if (status & DSBSTATUS_PLAYING) { |
|
626 dolog ("warning: Voice is already playing\n"); |
|
627 return 0; |
|
628 } |
|
629 |
|
630 dsound_clear_sample (hw, dsb); |
|
631 |
|
632 hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING); |
|
633 if (FAILED (hr)) { |
|
634 dsound_logerr (hr, "Could not start playing buffer\n"); |
|
635 return -1; |
|
636 } |
|
637 break; |
|
638 |
|
639 case VOICE_DISABLE: |
|
640 if (dsound_get_status_out (dsb, &status)) { |
|
641 return -1; |
|
642 } |
|
643 |
|
644 if (status & DSBSTATUS_PLAYING) { |
|
645 hr = IDirectSoundBuffer_Stop (dsb); |
|
646 if (FAILED (hr)) { |
|
647 dsound_logerr (hr, "Could not stop playing buffer\n"); |
|
648 return -1; |
|
649 } |
|
650 } |
|
651 else { |
|
652 dolog ("warning: Voice is not playing\n"); |
|
653 } |
|
654 break; |
|
655 } |
|
656 return 0; |
|
657 } |
|
658 |
|
659 static int dsound_write (SWVoiceOut *sw, void *buf, int len) |
|
660 { |
|
661 return audio_pcm_sw_write (sw, buf, len); |
|
662 } |
|
663 |
|
664 static int dsound_run_out (HWVoiceOut *hw) |
|
665 { |
|
666 int err; |
|
667 HRESULT hr; |
|
668 DSoundVoiceOut *ds = (DSoundVoiceOut *) hw; |
|
669 LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer; |
|
670 int live, len, hwshift; |
|
671 DWORD blen1, blen2; |
|
672 DWORD len1, len2; |
|
673 DWORD decr; |
|
674 DWORD wpos, ppos, old_pos; |
|
675 LPVOID p1, p2; |
|
676 int bufsize; |
|
677 |
|
678 if (!dsb) { |
|
679 dolog ("Attempt to run empty with playback buffer\n"); |
|
680 return 0; |
|
681 } |
|
682 |
|
683 hwshift = hw->info.shift; |
|
684 bufsize = hw->samples << hwshift; |
|
685 |
|
686 live = audio_pcm_hw_get_live_out (hw); |
|
687 |
|
688 hr = IDirectSoundBuffer_GetCurrentPosition ( |
|
689 dsb, |
|
690 &ppos, |
|
691 ds->first_time ? &wpos : NULL |
|
692 ); |
|
693 if (FAILED (hr)) { |
|
694 dsound_logerr (hr, "Could not get playback buffer position\n"); |
|
695 return 0; |
|
696 } |
|
697 |
|
698 len = live << hwshift; |
|
699 |
|
700 if (ds->first_time) { |
|
701 if (conf.latency_millis) { |
|
702 DWORD cur_blat; |
|
703 |
|
704 cur_blat = audio_ring_dist (wpos, ppos, bufsize); |
|
705 ds->first_time = 0; |
|
706 old_pos = wpos; |
|
707 old_pos += |
|
708 millis_to_bytes (&hw->info, conf.latency_millis) - cur_blat; |
|
709 old_pos %= bufsize; |
|
710 old_pos &= ~hw->info.align; |
|
711 } |
|
712 else { |
|
713 old_pos = wpos; |
|
714 } |
|
715 #ifdef DEBUG_DSOUND |
|
716 ds->played = 0; |
|
717 ds->mixed = 0; |
|
718 #endif |
|
719 } |
|
720 else { |
|
721 if (ds->old_pos == ppos) { |
|
722 #ifdef DEBUG_DSOUND |
|
723 dolog ("old_pos == ppos\n"); |
|
724 #endif |
|
725 return 0; |
|
726 } |
|
727 |
|
728 #ifdef DEBUG_DSOUND |
|
729 ds->played += audio_ring_dist (ds->old_pos, ppos, hw->bufsize); |
|
730 #endif |
|
731 old_pos = ds->old_pos; |
|
732 } |
|
733 |
|
734 if ((old_pos < ppos) && ((old_pos + len) > ppos)) { |
|
735 len = ppos - old_pos; |
|
736 } |
|
737 else { |
|
738 if ((old_pos > ppos) && ((old_pos + len) > (ppos + bufsize))) { |
|
739 len = bufsize - old_pos + ppos; |
|
740 } |
|
741 } |
|
742 |
|
743 if (audio_bug (AUDIO_FUNC, len < 0 || len > bufsize)) { |
|
744 dolog ("len=%d bufsize=%d old_pos=%ld ppos=%ld\n", |
|
745 len, bufsize, old_pos, ppos); |
|
746 return 0; |
|
747 } |
|
748 |
|
749 len &= ~hw->info.align; |
|
750 if (!len) { |
|
751 return 0; |
|
752 } |
|
753 |
|
754 #ifdef DEBUG_DSOUND |
|
755 ds->old_ppos = ppos; |
|
756 #endif |
|
757 err = dsound_lock_out ( |
|
758 dsb, |
|
759 &hw->info, |
|
760 old_pos, |
|
761 len, |
|
762 &p1, &p2, |
|
763 &blen1, &blen2, |
|
764 0 |
|
765 ); |
|
766 if (err) { |
|
767 return 0; |
|
768 } |
|
769 |
|
770 len1 = blen1 >> hwshift; |
|
771 len2 = blen2 >> hwshift; |
|
772 decr = len1 + len2; |
|
773 |
|
774 if (p1 && len1) { |
|
775 dsound_write_sample (hw, p1, len1); |
|
776 } |
|
777 |
|
778 if (p2 && len2) { |
|
779 dsound_write_sample (hw, p2, len2); |
|
780 } |
|
781 |
|
782 dsound_unlock_out (dsb, p1, p2, blen1, blen2); |
|
783 ds->old_pos = (old_pos + (decr << hwshift)) % bufsize; |
|
784 |
|
785 #ifdef DEBUG_DSOUND |
|
786 ds->mixed += decr << hwshift; |
|
787 |
|
788 dolog ("played %lu mixed %lu diff %ld sec %f\n", |
|
789 ds->played, |
|
790 ds->mixed, |
|
791 ds->mixed - ds->played, |
|
792 abs (ds->mixed - ds->played) / (double) hw->info.bytes_per_second); |
|
793 #endif |
|
794 return decr; |
|
795 } |
|
796 |
|
797 static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...) |
|
798 { |
|
799 HRESULT hr; |
|
800 DWORD status; |
|
801 DSoundVoiceIn *ds = (DSoundVoiceIn *) hw; |
|
802 LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer; |
|
803 |
|
804 if (!dscb) { |
|
805 dolog ("Attempt to control capture voice without a buffer\n"); |
|
806 return -1; |
|
807 } |
|
808 |
|
809 switch (cmd) { |
|
810 case VOICE_ENABLE: |
|
811 if (dsound_get_status_in (dscb, &status)) { |
|
812 return -1; |
|
813 } |
|
814 |
|
815 if (status & DSCBSTATUS_CAPTURING) { |
|
816 dolog ("warning: Voice is already capturing\n"); |
|
817 return 0; |
|
818 } |
|
819 |
|
820 /* clear ?? */ |
|
821 |
|
822 hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING); |
|
823 if (FAILED (hr)) { |
|
824 dsound_logerr (hr, "Could not start capturing\n"); |
|
825 return -1; |
|
826 } |
|
827 break; |
|
828 |
|
829 case VOICE_DISABLE: |
|
830 if (dsound_get_status_in (dscb, &status)) { |
|
831 return -1; |
|
832 } |
|
833 |
|
834 if (status & DSCBSTATUS_CAPTURING) { |
|
835 hr = IDirectSoundCaptureBuffer_Stop (dscb); |
|
836 if (FAILED (hr)) { |
|
837 dsound_logerr (hr, "Could not stop capturing\n"); |
|
838 return -1; |
|
839 } |
|
840 } |
|
841 else { |
|
842 dolog ("warning: Voice is not capturing\n"); |
|
843 } |
|
844 break; |
|
845 } |
|
846 return 0; |
|
847 } |
|
848 |
|
849 static int dsound_read (SWVoiceIn *sw, void *buf, int len) |
|
850 { |
|
851 return audio_pcm_sw_read (sw, buf, len); |
|
852 } |
|
853 |
|
854 static int dsound_run_in (HWVoiceIn *hw) |
|
855 { |
|
856 int err; |
|
857 HRESULT hr; |
|
858 DSoundVoiceIn *ds = (DSoundVoiceIn *) hw; |
|
859 LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer; |
|
860 int live, len, dead; |
|
861 DWORD blen1, blen2; |
|
862 DWORD len1, len2; |
|
863 DWORD decr; |
|
864 DWORD cpos, rpos; |
|
865 LPVOID p1, p2; |
|
866 int hwshift; |
|
867 |
|
868 if (!dscb) { |
|
869 dolog ("Attempt to run without capture buffer\n"); |
|
870 return 0; |
|
871 } |
|
872 |
|
873 hwshift = hw->info.shift; |
|
874 |
|
875 live = audio_pcm_hw_get_live_in (hw); |
|
876 dead = hw->samples - live; |
|
877 if (!dead) { |
|
878 return 0; |
|
879 } |
|
880 |
|
881 hr = IDirectSoundCaptureBuffer_GetCurrentPosition ( |
|
882 dscb, |
|
883 &cpos, |
|
884 ds->first_time ? &rpos : NULL |
|
885 ); |
|
886 if (FAILED (hr)) { |
|
887 dsound_logerr (hr, "Could not get capture buffer position\n"); |
|
888 return 0; |
|
889 } |
|
890 |
|
891 if (ds->first_time) { |
|
892 ds->first_time = 0; |
|
893 if (rpos & hw->info.align) { |
|
894 ldebug ("warning: Misaligned capture read position %ld(%d)\n", |
|
895 rpos, hw->info.align); |
|
896 } |
|
897 hw->wpos = rpos >> hwshift; |
|
898 } |
|
899 |
|
900 if (cpos & hw->info.align) { |
|
901 ldebug ("warning: Misaligned capture position %ld(%d)\n", |
|
902 cpos, hw->info.align); |
|
903 } |
|
904 cpos >>= hwshift; |
|
905 |
|
906 len = audio_ring_dist (cpos, hw->wpos, hw->samples); |
|
907 if (!len) { |
|
908 return 0; |
|
909 } |
|
910 len = audio_MIN (len, dead); |
|
911 |
|
912 err = dsound_lock_in ( |
|
913 dscb, |
|
914 &hw->info, |
|
915 hw->wpos << hwshift, |
|
916 len << hwshift, |
|
917 &p1, |
|
918 &p2, |
|
919 &blen1, |
|
920 &blen2, |
|
921 0 |
|
922 ); |
|
923 if (err) { |
|
924 return 0; |
|
925 } |
|
926 |
|
927 len1 = blen1 >> hwshift; |
|
928 len2 = blen2 >> hwshift; |
|
929 decr = len1 + len2; |
|
930 |
|
931 if (p1 && len1) { |
|
932 hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume); |
|
933 } |
|
934 |
|
935 if (p2 && len2) { |
|
936 hw->conv (hw->conv_buf, p2, len2, &nominal_volume); |
|
937 } |
|
938 |
|
939 dsound_unlock_in (dscb, p1, p2, blen1, blen2); |
|
940 hw->wpos = (hw->wpos + decr) % hw->samples; |
|
941 return decr; |
|
942 } |
|
943 |
|
944 static void dsound_audio_fini (void *opaque) |
|
945 { |
|
946 HRESULT hr; |
|
947 dsound *s = opaque; |
|
948 |
|
949 if (!s->dsound) { |
|
950 return; |
|
951 } |
|
952 |
|
953 hr = IDirectSound_Release (s->dsound); |
|
954 if (FAILED (hr)) { |
|
955 dsound_logerr (hr, "Could not release DirectSound\n"); |
|
956 } |
|
957 s->dsound = NULL; |
|
958 |
|
959 if (!s->dsound_capture) { |
|
960 return; |
|
961 } |
|
962 |
|
963 hr = IDirectSoundCapture_Release (s->dsound_capture); |
|
964 if (FAILED (hr)) { |
|
965 dsound_logerr (hr, "Could not release DirectSoundCapture\n"); |
|
966 } |
|
967 s->dsound_capture = NULL; |
|
968 } |
|
969 |
|
970 static void *dsound_audio_init (void) |
|
971 { |
|
972 int err; |
|
973 HRESULT hr; |
|
974 dsound *s = &glob_dsound; |
|
975 |
|
976 hr = CoInitialize (NULL); |
|
977 if (FAILED (hr)) { |
|
978 dsound_logerr (hr, "Could not initialize COM\n"); |
|
979 return NULL; |
|
980 } |
|
981 |
|
982 hr = CoCreateInstance ( |
|
983 &CLSID_DirectSound, |
|
984 NULL, |
|
985 CLSCTX_ALL, |
|
986 &IID_IDirectSound, |
|
987 (void **) &s->dsound |
|
988 ); |
|
989 if (FAILED (hr)) { |
|
990 dsound_logerr (hr, "Could not create DirectSound instance\n"); |
|
991 return NULL; |
|
992 } |
|
993 |
|
994 hr = IDirectSound_Initialize (s->dsound, NULL); |
|
995 if (FAILED (hr)) { |
|
996 dsound_logerr (hr, "Could not initialize DirectSound\n"); |
|
997 |
|
998 hr = IDirectSound_Release (s->dsound); |
|
999 if (FAILED (hr)) { |
|
1000 dsound_logerr (hr, "Could not release DirectSound\n"); |
|
1001 } |
|
1002 s->dsound = NULL; |
|
1003 return NULL; |
|
1004 } |
|
1005 |
|
1006 hr = CoCreateInstance ( |
|
1007 &CLSID_DirectSoundCapture, |
|
1008 NULL, |
|
1009 CLSCTX_ALL, |
|
1010 &IID_IDirectSoundCapture, |
|
1011 (void **) &s->dsound_capture |
|
1012 ); |
|
1013 if (FAILED (hr)) { |
|
1014 dsound_logerr (hr, "Could not create DirectSoundCapture instance\n"); |
|
1015 } |
|
1016 else { |
|
1017 hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL); |
|
1018 if (FAILED (hr)) { |
|
1019 dsound_logerr (hr, "Could not initialize DirectSoundCapture\n"); |
|
1020 |
|
1021 hr = IDirectSoundCapture_Release (s->dsound_capture); |
|
1022 if (FAILED (hr)) { |
|
1023 dsound_logerr (hr, "Could not release DirectSoundCapture\n"); |
|
1024 } |
|
1025 s->dsound_capture = NULL; |
|
1026 } |
|
1027 } |
|
1028 |
|
1029 err = dsound_open (s); |
|
1030 if (err) { |
|
1031 dsound_audio_fini (s); |
|
1032 return NULL; |
|
1033 } |
|
1034 |
|
1035 return s; |
|
1036 } |
|
1037 |
|
1038 static struct audio_option dsound_options[] = { |
|
1039 {"LOCK_RETRIES", AUD_OPT_INT, &conf.lock_retries, |
|
1040 "Number of times to attempt locking the buffer", NULL, 0}, |
|
1041 {"RESTOURE_RETRIES", AUD_OPT_INT, &conf.restore_retries, |
|
1042 "Number of times to attempt restoring the buffer", NULL, 0}, |
|
1043 {"GETSTATUS_RETRIES", AUD_OPT_INT, &conf.getstatus_retries, |
|
1044 "Number of times to attempt getting status of the buffer", NULL, 0}, |
|
1045 {"SET_PRIMARY", AUD_OPT_BOOL, &conf.set_primary, |
|
1046 "Set the parameters of primary buffer", NULL, 0}, |
|
1047 {"LATENCY_MILLIS", AUD_OPT_INT, &conf.latency_millis, |
|
1048 "(undocumented)", NULL, 0}, |
|
1049 {"PRIMARY_FREQ", AUD_OPT_INT, &conf.settings.freq, |
|
1050 "Primary buffer frequency", NULL, 0}, |
|
1051 {"PRIMARY_CHANNELS", AUD_OPT_INT, &conf.settings.nchannels, |
|
1052 "Primary buffer number of channels (1 - mono, 2 - stereo)", NULL, 0}, |
|
1053 {"PRIMARY_FMT", AUD_OPT_FMT, &conf.settings.fmt, |
|
1054 "Primary buffer format", NULL, 0}, |
|
1055 {"BUFSIZE_OUT", AUD_OPT_INT, &conf.bufsize_out, |
|
1056 "(undocumented)", NULL, 0}, |
|
1057 {"BUFSIZE_IN", AUD_OPT_INT, &conf.bufsize_in, |
|
1058 "(undocumented)", NULL, 0}, |
|
1059 {NULL, 0, NULL, NULL, NULL, 0} |
|
1060 }; |
|
1061 |
|
1062 static struct audio_pcm_ops dsound_pcm_ops = { |
|
1063 dsound_init_out, |
|
1064 dsound_fini_out, |
|
1065 dsound_run_out, |
|
1066 dsound_write, |
|
1067 dsound_ctl_out, |
|
1068 |
|
1069 dsound_init_in, |
|
1070 dsound_fini_in, |
|
1071 dsound_run_in, |
|
1072 dsound_read, |
|
1073 dsound_ctl_in |
|
1074 }; |
|
1075 |
|
1076 struct audio_driver dsound_audio_driver = { |
|
1077 INIT_FIELD (name = ) "dsound", |
|
1078 INIT_FIELD (descr = ) |
|
1079 "DirectSound http://wikipedia.org/wiki/DirectSound", |
|
1080 INIT_FIELD (options = ) dsound_options, |
|
1081 INIT_FIELD (init = ) dsound_audio_init, |
|
1082 INIT_FIELD (fini = ) dsound_audio_fini, |
|
1083 INIT_FIELD (pcm_ops = ) &dsound_pcm_ops, |
|
1084 INIT_FIELD (can_be_default = ) 1, |
|
1085 INIT_FIELD (max_voices_out = ) INT_MAX, |
|
1086 INIT_FIELD (max_voices_in = ) 1, |
|
1087 INIT_FIELD (voice_size_out = ) sizeof (DSoundVoiceOut), |
|
1088 INIT_FIELD (voice_size_in = ) sizeof (DSoundVoiceIn) |
|
1089 }; |