1 | /* $Id: DAudioBuffer.cpp,v 1.1 2001-04-27 17:39:48 sandervl Exp $ */
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2 |
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3 | /*
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4 | * DirectSound SoundBuffer (secondary) class (DirectAudio)
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5 | *
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6 | * Copyright 1998-2001 Sander van Leeuwen (sandervl@xs4all.nl)
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7 | * Copyright 2001 Michal Necasek
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8 | *
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9 | * Project Odin Software License can be found in LICENSE.TXT
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10 | *
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11 | */
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12 |
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13 |
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14 | /*@Header***********************************************************************
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15 | * Header Files *
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16 | *******************************************************************************/
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17 | #include <os2win.h>
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18 |
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19 | #include <stdlib.h>
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20 | #include <string.h>
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21 |
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22 | #define INITGUID
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23 | #include <dsound.h>
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24 |
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25 | #include "OS2DSound.h"
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26 | #include "DAudioBuffer.h"
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27 | #include "OS2PrimBuff.h"
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28 | #include "OS23DListener.h"
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29 | #include "OS23DBuffer.h"
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30 | #include "DAudioNotify.h"
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31 | #include <misc.h>
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32 |
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33 | extern BYTE VolTable[1000];
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34 |
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35 | IDirectAudioBuffer *IDirectAudioBuffer::dsbroot = NULL;
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36 |
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37 | //******************************************************************************
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38 | //******************************************************************************
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39 | IDirectAudioBuffer::IDirectAudioBuffer(OS2IDirectSound *DSound, const DSBUFFERDESC *lpDSBufferDesc)
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40 | : Referenced(0), lastError(DS_OK), daudio(NULL), lpSndBuffer(NULL)
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41 | {
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42 | //This is the "normal" constructor
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43 | lpVtbl = &Vtbl;
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44 | Vtbl.AddRef = DAudioBufAddRef;
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45 | Vtbl.Release = DAudioBufRelease;
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46 | Vtbl.QueryInterface = DAudioBufQueryInterface;
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47 | Vtbl.GetCaps = DAudioBufGetCaps;
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48 | Vtbl.GetFormat = DAudioBufGetFormat;
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49 | Vtbl.GetVolume = DAudioBufGetVolume;
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50 | Vtbl.GetStatus = DAudioBufGetStatus;
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51 | Vtbl.GetCurrentPosition = DAudioBufGetCurrentPosition;
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52 | Vtbl.GetPan = DAudioBufGetPan;
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53 | Vtbl.GetFrequency = DAudioBufGetFrequency;
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54 | Vtbl.Initialize = DAudioBufInitialize;
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55 | Vtbl.Restore = DAudioBufRestore;
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56 | Vtbl.SetFormat = DAudioBufSetFormat;
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57 | Vtbl.SetVolume = DAudioBufSetVolume;
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58 | Vtbl.SetCurrentPosition = DAudioBufSetCurrentPosition;
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59 | Vtbl.SetPan = DAudioBufSetPan;
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60 | Vtbl.SetFrequency = DAudioBufSetFrequency;
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61 | Vtbl.Lock = DAudioBufLock;
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62 | Vtbl.Unlock = DAudioBufUnlock;
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63 | Vtbl.Stop = DAudioBufStop;
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64 | Vtbl.Play = DAudioBufPlay;
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65 |
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66 | dprintf(("DSOUND-IDirectAudioBuffer::IDirectAudioBuffer (buf=%X)", this));
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67 |
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68 | parentDS = DSound;
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69 | writepos = 0;
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70 | playpos = 0;
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71 | status = 0;
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72 | fLocked = FALSE;
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73 | volume = 255;
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74 | DSvolume = 0;
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75 | pan = 0;
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76 | DSpan = 0;
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77 | lpfxFormat= NULL;
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78 | fPlaying = FALSE;
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79 | fLoop = FALSE;
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80 | notify = NULL;
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81 | memcpy(&bufferdesc, lpDSBufferDesc, sizeof(DSBUFFERDESC));
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82 |
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83 | // frequency has to be set according to the bufer format
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84 | frequency = bufferdesc.lpwfxFormat->nSamplesPerSec;
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85 |
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86 | if (bufferdesc.lpwfxFormat == NULL || bufferdesc.dwBufferBytes == 0) {
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87 | dprintf(("bufferdesc not valid!"));
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88 | lastError = DSERR_INVALIDPARAM;
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89 | return;
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90 | }
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91 |
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92 | // Some apps pass trash in cbSize, can't rely on that!
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93 | lpfxFormat = (WAVEFORMATEX *)malloc(/*bufferdesc.lpwfxFormat->cbSize +*/ sizeof(WAVEFORMATEX));
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94 | memcpy(lpfxFormat, bufferdesc.lpwfxFormat, /*bufferdesc.lpwfxFormat->cbSize + */sizeof(WAVEFORMATEX));
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95 |
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96 | dprintf((" Buffer format: %dHz, %dbit, %d channels", lpfxFormat->nSamplesPerSec, lpfxFormat->wBitsPerSample, lpfxFormat->nChannels));
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97 |
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98 | lpSndBuffer = (SOUNDBUF *)VirtualAlloc(0, bufferdesc.dwBufferBytes + sizeof(DWORD), MEM_COMMIT, PAGE_READWRITE);
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99 | if (lpSndBuffer == NULL) {
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100 | dprintf(("VirtualAlloc failed"));
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101 | lpSndBuffer = NULL;
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102 | lastError = DSERR_OUTOFMEMORY;
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103 | return;
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104 | }
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105 | lpBuffer = &(lpSndBuffer->pData[0]);
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106 | lpSndBuffer->dwReferences = 1;
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107 |
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108 | daudio = new DAudioWaveOut(lpfxFormat);
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109 | if(daudio == NULL || daudio->getError()) {
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110 | dprintf(("DAudioWaveOut ctor failed"));
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111 | lastError = DSERR_OUTOFMEMORY;
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112 | return;
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113 | }
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114 |
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115 | wmutex.enter(VMUTEX_WAIT_FOREVER);
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116 | next = dsbroot;
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117 | dsbroot = this;
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118 | wmutex.leave();
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119 | }
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120 |
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121 | //******************************************************************************
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122 | //******************************************************************************
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123 | IDirectAudioBuffer::IDirectAudioBuffer(OS2IDirectSound *DSound, IDirectAudioBuffer *srcBuf)
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124 | : Referenced(0), lastError(DS_OK), daudio(NULL), lpSndBuffer(NULL)
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125 | {
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126 | //This is the constructor used for duplicating sound buffers
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127 | lpVtbl = &Vtbl;
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128 | Vtbl.AddRef = DAudioBufAddRef;
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129 | Vtbl.Release = DAudioBufRelease;
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130 | Vtbl.QueryInterface = DAudioBufQueryInterface;
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131 | Vtbl.GetCaps = DAudioBufGetCaps;
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132 | Vtbl.GetFormat = DAudioBufGetFormat;
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133 | Vtbl.GetVolume = DAudioBufGetVolume;
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134 | Vtbl.GetStatus = DAudioBufGetStatus;
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135 | Vtbl.GetCurrentPosition = DAudioBufGetCurrentPosition;
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136 | Vtbl.GetPan = DAudioBufGetPan;
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137 | Vtbl.GetFrequency = DAudioBufGetFrequency;
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138 | Vtbl.Initialize = DAudioBufInitialize;
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139 | Vtbl.Restore = DAudioBufRestore;
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140 | Vtbl.SetFormat = DAudioBufSetFormat;
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141 | Vtbl.SetVolume = DAudioBufSetVolume;
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142 | Vtbl.SetCurrentPosition = DAudioBufSetCurrentPosition;
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143 | Vtbl.SetPan = DAudioBufSetPan;
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144 | Vtbl.SetFrequency = DAudioBufSetFrequency;
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145 | Vtbl.Lock = DAudioBufLock;
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146 | Vtbl.Unlock = DAudioBufUnlock;
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147 | Vtbl.Stop = DAudioBufStop;
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148 | Vtbl.Play = DAudioBufPlay;
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149 |
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150 | dprintf(("DSOUND-IDirectAudioBuffer::OS2IDirectAudioBuffer/Duplicate (buf=%X)", this));
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151 |
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152 | parentDS = DSound;
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153 | writepos = 0;
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154 | playpos = 0;
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155 | status = 0;
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156 | fLocked = FALSE;
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157 | volume = srcBuf->volume;
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158 | DSvolume = srcBuf->DSvolume;
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159 | pan = srcBuf->pan;
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160 | DSpan = srcBuf->DSpan;
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161 | lpBuffer = srcBuf->lpBuffer;
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162 | fPlaying = FALSE;
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163 | fLoop = srcBuf->fLoop;
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164 | notify = NULL;
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165 | memcpy(&bufferdesc, &(srcBuf->bufferdesc), sizeof(DSBUFFERDESC));
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166 |
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167 | // frequency has to be set according to the bufer format
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168 | frequency = srcBuf->frequency;
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169 |
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170 | lpfxFormat = (WAVEFORMATEX *)malloc(sizeof(WAVEFORMATEX));
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171 | memcpy(lpfxFormat,srcBuf->lpfxFormat, sizeof(WAVEFORMATEX));
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172 |
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173 | dprintf((" Buffer format: %dHz, %dbit, %d channels", lpfxFormat->nSamplesPerSec, lpfxFormat->wBitsPerSample, lpfxFormat->nChannels));
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174 |
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175 | // Increment reference count for the buffer memory
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176 | lpSndBuffer = srcBuf->lpSndBuffer;
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177 | lpSndBuffer->dwReferences++;
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178 |
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179 | if(daudio) {
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180 | delete daudio;
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181 | daudio = 0;
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182 | }
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183 | wmutex.enter(VMUTEX_WAIT_FOREVER);
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184 | next = dsbroot;
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185 | dsbroot = this;
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186 | wmutex.leave();
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187 | }
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188 |
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189 | //******************************************************************************
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190 | //******************************************************************************
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191 | IDirectAudioBuffer::~IDirectAudioBuffer()
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192 | {
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193 | dprintf(("DSOUND-IDirectAudioBuffer::~OS2IDirectAudioBuffer (buf=%X)", this));
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194 |
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195 | // free allocted memory - unless it's shared by a duplicated buffer
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196 | if (lpSndBuffer) {
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197 | lpSndBuffer->dwReferences--;
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198 | if (lpSndBuffer->dwReferences == 0)
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199 | VirtualFree(lpSndBuffer, 0, MEM_RELEASE);
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200 | }
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201 |
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202 | if (lpfxFormat)
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203 | free(lpfxFormat);
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204 |
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205 | // remove ourselves from the linked list
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206 | IDirectAudioBuffer *cur = dsbroot;
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207 | IDirectAudioBuffer *prev = NULL;
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208 |
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209 | wmutex.enter(VMUTEX_WAIT_FOREVER);
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210 | if (this == dsbroot) // is this the first DAudioBuffer?
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211 | dsbroot = next;
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212 | else { // walk the chain
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213 | while (cur->next != this)
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214 | cur = cur->next;
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215 |
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216 | cur->next = next;
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217 | }
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218 | wmutex.leave();
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219 | }
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220 |
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221 | //******************************************************************************
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222 | //******************************************************************************
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223 | void IDirectAudioBuffer::DestroyAllBuffers()
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224 | {
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225 | dprintf(("DSOUND-IDirectAudioBuffer::DestroyAllBuffers"));
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226 |
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227 | // if any DAudioBuffers still exist when the OS2IDirectSound object is
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228 | // being closed, just kill them all
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229 | IDirectAudioBuffer *cur = dsbroot;
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230 | IDirectAudioBuffer *tmp;
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231 |
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232 | while (cur != NULL) {
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233 | tmp = cur->next;
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234 | delete cur;
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235 | cur = tmp;
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236 | }
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237 | }
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238 |
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239 | //******************************************************************************
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240 | //******************************************************************************
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241 | HRESULT IDirectAudioBuffer::QueryInterface(REFIID riid, LPVOID * ppvObj)
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242 | {
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243 | dprintf(("DSOUND-IDirectAudioBuffer::QueryInterface %x %x", this, riid));
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244 | *ppvObj = NULL;
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245 |
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246 | if (IsEqualGUID(riid, IID_IDirectSoundBuffer)) {
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247 | *ppvObj = this;
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248 |
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249 | AddRef();
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250 | return DS_OK;
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251 | }
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252 |
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253 | if (IsEqualGUID(riid, IID_IDirectSoundNotify))
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254 | {
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255 | IDirectAudioNotify *notify;
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256 |
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257 | notify = new IDirectAudioNotify(this);
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258 | *ppvObj = notify;
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259 | notify->Vtbl.AddRef(notify);
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260 | return DS_OK;
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261 | }
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262 | #if 0
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263 | if (IsEqualGUID(riid, IID_IDirectSound3DBuffer)) {
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264 | OS2IDirectSound3DBuffer *buffer3D;
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265 |
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266 | buffer3D = new OS2IDirectSound3DBuffer(this);
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267 | *ppvObj = buffer3D;
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268 | buffer3D->Vtbl.AddRef((IDirectSound3DBuffer *)buffer3D);
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269 | return DS_OK;
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270 | }
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271 | #endif
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272 | return E_NOINTERFACE;
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273 | }
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274 | //******************************************************************************
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275 | //******************************************************************************
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276 | ULONG IDirectAudioBuffer::AddRef()
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277 | {
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278 | dprintf(("DSOUND-IDirectAudioBuffer::AddRef (buf=%X) %d", this, Referenced+1));
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279 | return ++Referenced;
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280 | }
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281 | //******************************************************************************
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282 | //******************************************************************************
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283 | ULONG IDirectAudioBuffer::Release()
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284 | {
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285 | dprintf(("DSOUND-IDirectAudioBuffer::Release (buf=%X) %d", this, Referenced-1));
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286 |
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287 | if (Referenced) {
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288 | Referenced--;
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289 | if (Referenced == 0) {
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290 | delete this;
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291 | return 0;
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292 | }
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293 | else
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294 | return Referenced;
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295 | }
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296 | else
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297 | return 0;
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298 | }
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299 | //******************************************************************************
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300 | //******************************************************************************
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301 | HRESULT IDirectAudioBuffer::GetCaps(LPDSBCAPS lpDSCaps)
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302 | {
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303 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetCaps (buf=%X)", this));
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304 | if ( lpDSCaps == NULL) {
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305 | return DSERR_INVALIDPARAM;
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306 | }
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307 | /* FIXME: fill with more realistic values */
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308 | lpDSCaps->dwSize = sizeof(DSBCAPS);
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309 | lpDSCaps->dwFlags = bufferdesc.dwFlags | DSBCAPS_LOCHARDWARE;
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310 | lpDSCaps->dwBufferBytes = bufferdesc.dwBufferBytes;
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311 | lpDSCaps->dwUnlockTransferRate = 0; /* in KB/sec - 0 == no transfer needed */
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312 | lpDSCaps->dwPlayCpuOverhead = 0; /* % CPU time - let's lie */
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313 |
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314 | return DS_OK;
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315 | }
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316 | //******************************************************************************
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317 | //******************************************************************************
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318 | HRESULT IDirectAudioBuffer::GetCurrentPosition(LPDWORD lpdwCurrentPlayCursor,
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319 | LPDWORD lpdwCurrentWriteCursor)
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320 | {
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321 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetCurrentPosition (buf=%X)", this));
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322 | if ( lpdwCurrentPlayCursor == NULL || lpdwCurrentWriteCursor == NULL) {
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323 | dprintf((" Invalid parameters %d %d %d",this,lpdwCurrentPlayCursor,lpdwCurrentWriteCursor));
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324 | return DSERR_INVALIDPARAM;
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325 | }
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326 |
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327 | dprintf((" PlayPos %d, WritePos %d", playpos, writepos));
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328 | *lpdwCurrentPlayCursor = playpos;
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329 | *lpdwCurrentWriteCursor = writepos;
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330 | return DS_OK;
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331 | }
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332 | //******************************************************************************
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333 | //******************************************************************************
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334 | HRESULT IDirectAudioBuffer::SetCurrentPosition(DWORD dwNewPosition)
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335 | {
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336 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufSetCurrentPosition %x to %d", this, dwNewPosition));
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337 | playpos = dwNewPosition;
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338 |
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339 | return DS_OK;
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340 | }
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341 | //******************************************************************************
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342 | //******************************************************************************
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343 | HRESULT IDirectAudioBuffer::GetFormat(LPWAVEFORMATEX lpwfxFormat,
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344 | DWORD ddwSizeAllocated, LPDWORD lpdwSizeWritten)
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345 | {
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346 | int copysize;
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347 |
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348 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetFormat (buf=%X)", this));
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349 | if (lpwfxFormat == NULL || ddwSizeAllocated == 0) {
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350 | return DSERR_INVALIDPARAM;
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351 | }
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352 | copysize = min(ddwSizeAllocated, (lpfxFormat->cbSize + sizeof(WAVEFORMATEX)));
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353 | memcpy(lpwfxFormat, lpfxFormat, copysize);
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354 |
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355 | if (lpdwSizeWritten) {
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356 | *lpdwSizeWritten = copysize;
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357 | }
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358 | return DS_OK;
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359 | }
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360 | //******************************************************************************
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361 | //******************************************************************************
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362 | HRESULT IDirectAudioBuffer::SetFormat(LPWAVEFORMATEX lpWaveFormatEx)
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363 | {
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364 | // Note: this sets the format of the _primary_ buffer;
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365 | // since this class only handles secondary buffers, we just return error
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366 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufSetFormat %x", this));
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367 |
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368 | return DSERR_UNSUPPORTED;
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369 | }
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370 | //******************************************************************************
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371 | //******************************************************************************
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372 | HRESULT IDirectAudioBuffer::GetVolume(LPLONG lplVolume)
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373 | {
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374 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetVolume (buf=%X)", this));
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375 | if (lplVolume == NULL) {
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376 | return DSERR_INVALIDPARAM;
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377 | }
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378 | *lplVolume = DSvolume;
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379 | return DS_OK;
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380 | }
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381 | //******************************************************************************
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382 | //******************************************************************************
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383 | HRESULT IDirectAudioBuffer::SetVolume(LONG lVolume)
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384 | {
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385 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufSetVolume %x %d", this, lVolume));
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386 | if (lVolume < -10000) {
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387 | return DSERR_INVALIDPARAM;
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388 | }
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389 | // some apps pass positive values in lVolume, that's wrong right?!?
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390 | DSvolume = (lVolume > 0) ? 0 : lVolume;
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391 |
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392 | /* = (10 ^ (1/10)) = 1dB - but the formula below gives results _very_ similar */
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393 | /* to 'real' DirectSound, indistinguishable for all practical purposes */
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394 | //volume = 255.0 * pow(4, DSvolume / 1000.0);
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395 |
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396 | /* Note: for some strange reason the above code sometimes gives erroneous */
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397 | /* results, hence we now use a simple conversion table (in steps of 4/100 dB) */
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398 |
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399 | if (DSvolume < -4000)
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400 | volume = 0;
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401 | else
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402 | volume = VolTable[-DSvolume / 4];
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403 |
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404 | dprintf((" New volume: %d", volume));
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405 |
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406 | return DS_OK;
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407 | }
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408 | //******************************************************************************
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409 | //******************************************************************************
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410 | HRESULT IDirectAudioBuffer::GetPan(LPLONG lplPan)
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411 | {
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412 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetPan (buf=%X)", this));
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413 | if (lplPan == NULL) {
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414 | return DSERR_INVALIDPARAM;
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415 | }
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416 | *lplPan = DSpan;
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417 | return DS_OK;
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418 | }
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419 | //******************************************************************************
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420 | //******************************************************************************
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421 | HRESULT IDirectAudioBuffer::SetPan(LONG lPan)
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422 | {
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423 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufSetPan %x %d", this, lPan));
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424 | if (lPan < -10000 || lPan > 10000) {
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425 | return DSERR_INVALIDPARAM;
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426 | }
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427 | DSpan = lPan;
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428 | if (lPan == 0) {
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429 | pan = 0;
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430 | return DS_OK;
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431 | }
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432 |
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433 | /* Note: we use very similar code as for volume above */
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434 | if (lPan < 0)
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435 | if (lPan < -4000)
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436 | pan = -255;
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437 | else
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438 | pan = VolTable[-lPan / 4] - 255;
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439 | else
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440 | if (lPan > 4000)
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441 | pan = 255;
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442 | else
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443 | pan = 255 - VolTable[lPan / 4];
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444 |
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445 | dprintf((" New pan: %d", pan));
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446 |
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447 | return DS_OK;
|
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448 | }
|
---|
449 | //******************************************************************************
|
---|
450 | //******************************************************************************
|
---|
451 | HRESULT IDirectAudioBuffer::GetFrequency(LPDWORD lpdwFrequency)
|
---|
452 | {
|
---|
453 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetFrequency (buf=%X)", this));
|
---|
454 | if (lpdwFrequency == NULL) {
|
---|
455 | return DSERR_INVALIDPARAM;
|
---|
456 | }
|
---|
457 | *lpdwFrequency = frequency;
|
---|
458 | return DS_OK;
|
---|
459 | }
|
---|
460 | //******************************************************************************
|
---|
461 | //******************************************************************************
|
---|
462 | HRESULT IDirectAudioBuffer::SetFrequency(DWORD dwFrequency)
|
---|
463 | {
|
---|
464 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufSetFrequency %x %x", this, dwFrequency));
|
---|
465 |
|
---|
466 | // zero means default (buffer format) frequency
|
---|
467 | if (dwFrequency)
|
---|
468 | frequency = dwFrequency;
|
---|
469 | else
|
---|
470 | frequency = lpfxFormat->nSamplesPerSec;
|
---|
471 |
|
---|
472 | return DS_OK;
|
---|
473 | }
|
---|
474 | //******************************************************************************
|
---|
475 | //******************************************************************************
|
---|
476 | HRESULT IDirectAudioBuffer::GetStatus(LPDWORD lpdwStatus)
|
---|
477 | {
|
---|
478 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufGetStatus (buf=%X)", this));
|
---|
479 | if (lpdwStatus == NULL) {
|
---|
480 | return DSERR_INVALIDPARAM;
|
---|
481 | }
|
---|
482 |
|
---|
483 | if (fPlaying)
|
---|
484 | if (fLoop)
|
---|
485 | status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
|
---|
486 | else
|
---|
487 | status |= DSBSTATUS_PLAYING;
|
---|
488 | else
|
---|
489 | status &= ~(DSBSTATUS_PLAYING | DSBSTATUS_LOOPING);
|
---|
490 |
|
---|
491 | *lpdwStatus = status;
|
---|
492 | return DS_OK;
|
---|
493 | }
|
---|
494 | //******************************************************************************
|
---|
495 | //******************************************************************************
|
---|
496 | HRESULT IDirectAudioBuffer::Initialize(LPDIRECTSOUND, LPDSBUFFERDESC )
|
---|
497 | {
|
---|
498 | dprintf(("DSOUND-DAudioBufInitialize (buf=%X)", this));
|
---|
499 |
|
---|
500 | return DSERR_ALREADYINITIALIZED; //todo: for future extensions (dx5/6 ??)
|
---|
501 | }
|
---|
502 | //******************************************************************************
|
---|
503 | //******************************************************************************
|
---|
504 | HRESULT IDirectAudioBuffer::Lock(DWORD dwWriteCursor, DWORD dwWriteBytes,
|
---|
505 | LPVOID lplpvAudioPtr1, LPDWORD lpdwAudioBytes1,
|
---|
506 | LPVOID lplpvAudioPtr2, LPDWORD lpdwAudioBytes2,
|
---|
507 | DWORD dwFlags)
|
---|
508 | {
|
---|
509 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufLock (buf=%X, %d bytes of %d)", this, dwWriteBytes, bufferdesc.dwBufferBytes));
|
---|
510 | if (!lplpvAudioPtr1 || !lpdwAudioBytes1)
|
---|
511 | return DSERR_INVALIDPARAM;
|
---|
512 |
|
---|
513 | //not sure if this is an error, but it's certainly a smart thing to do (cond. == true)
|
---|
514 | if(dwWriteBytes > bufferdesc.dwBufferBytes) {
|
---|
515 | dprintf(("DAudioBufLock: dwWriteBytes > bufferdesc.dwBufferBytes"));
|
---|
516 | return DSERR_INVALIDPARAM;
|
---|
517 | }
|
---|
518 | if (dwFlags & DSBLOCK_FROMWRITECURSOR) {
|
---|
519 | dwWriteCursor = writepos;
|
---|
520 | }
|
---|
521 | if (dwWriteCursor + dwWriteBytes > bufferdesc.dwBufferBytes) {
|
---|
522 | *(DWORD *)lplpvAudioPtr1 = (DWORD)(lpBuffer + dwWriteCursor);
|
---|
523 | *lpdwAudioBytes1 = bufferdesc.dwBufferBytes - dwWriteCursor;
|
---|
524 | if (lplpvAudioPtr2 && lpdwAudioBytes2) {
|
---|
525 | *(DWORD *)lplpvAudioPtr2 = (DWORD)lpBuffer;
|
---|
526 | *lpdwAudioBytes2 = dwWriteBytes - *lpdwAudioBytes1;
|
---|
527 | }
|
---|
528 | }
|
---|
529 | else {
|
---|
530 | *(DWORD *)lplpvAudioPtr1 = (DWORD)(lpBuffer + dwWriteCursor);
|
---|
531 | *lpdwAudioBytes1 = dwWriteBytes;
|
---|
532 | if (lplpvAudioPtr2 && lpdwAudioBytes2) {
|
---|
533 | *(DWORD *)lplpvAudioPtr2 = 0;
|
---|
534 | *lpdwAudioBytes2 = 0;
|
---|
535 | }
|
---|
536 | }
|
---|
537 | fLocked = TRUE;
|
---|
538 | return DS_OK;
|
---|
539 | }
|
---|
540 | //******************************************************************************
|
---|
541 | //******************************************************************************
|
---|
542 | HRESULT IDirectAudioBuffer::Unlock(LPVOID lpvAudioPtr1, DWORD dwAudioBytes1,
|
---|
543 | LPVOID lpvAudioPtr2, DWORD dwAudioBytes2)
|
---|
544 | {
|
---|
545 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufUnlock %x", this));
|
---|
546 |
|
---|
547 | fLocked = TRUE;
|
---|
548 | return DS_OK;
|
---|
549 | }
|
---|
550 | //******************************************************************************
|
---|
551 | //******************************************************************************
|
---|
552 | HRESULT IDirectAudioBuffer::Play(DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
|
---|
553 | {
|
---|
554 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufPlay (buf=%X)", this));
|
---|
555 |
|
---|
556 | if (!fPlaying) {
|
---|
557 | frac = 0;
|
---|
558 | fPlaying = TRUE;
|
---|
559 | status = DSBSTATUS_PLAYING;
|
---|
560 | fLoop = dwFlags == DSBPLAY_LOOPING;
|
---|
561 | if (fLoop)
|
---|
562 | status |= DSBSTATUS_LOOPING;
|
---|
563 |
|
---|
564 | dprintf((" Buffer %X: start at pos %d, loop %s",this, playpos, fLoop?"YES":"NO"));
|
---|
565 | }
|
---|
566 | else {
|
---|
567 | fLoop = dwFlags == DSBPLAY_LOOPING;
|
---|
568 | if (fLoop)
|
---|
569 | status |= DSBSTATUS_LOOPING;
|
---|
570 |
|
---|
571 | dprintf((" Buffer %X: already playing, loop %s",this, fLoop?"YES":"NO"));
|
---|
572 | }
|
---|
573 |
|
---|
574 | return DS_OK;
|
---|
575 | }
|
---|
576 | //******************************************************************************
|
---|
577 | //******************************************************************************
|
---|
578 | HRESULT IDirectAudioBuffer::Stop( )
|
---|
579 | {
|
---|
580 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufStop %x", this));
|
---|
581 | fPlaying = FALSE;
|
---|
582 | status &= ~(DSBSTATUS_PLAYING | DSBSTATUS_LOOPING);
|
---|
583 |
|
---|
584 | if (notify != NULL)
|
---|
585 | notify->CheckStop();
|
---|
586 |
|
---|
587 | return DS_OK;
|
---|
588 | }
|
---|
589 | //******************************************************************************
|
---|
590 | //******************************************************************************
|
---|
591 | HRESULT IDirectAudioBuffer::Restore( )
|
---|
592 | {
|
---|
593 | dprintf(("DSOUND-IDirectAudioBuffer::DAudioBufRestore %x", this));
|
---|
594 | return DS_OK;
|
---|
595 | }
|
---|
596 | //******************************************************************************
|
---|
597 | //******************************************************************************
|
---|
598 | //Wrapper functions. Can be removed when switching to a compiler that supports
|
---|
599 | //stdcall calling convention for class methods.
|
---|
600 | //******************************************************************************
|
---|
601 | //******************************************************************************
|
---|
602 | HRESULT WINAPI DAudioBufQueryInterface(THIS, REFIID riid, LPVOID * ppvObj)
|
---|
603 | {
|
---|
604 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
605 | if(This == NULL) {
|
---|
606 | DebugInt3();
|
---|
607 | return DSERR_INVALIDPARAM;
|
---|
608 | }
|
---|
609 | return me->QueryInterface(riid, ppvObj);
|
---|
610 | }
|
---|
611 | //******************************************************************************
|
---|
612 | //******************************************************************************
|
---|
613 | ULONG WINAPI DAudioBufAddRef(THIS)
|
---|
614 | {
|
---|
615 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
616 | if(This == NULL) {
|
---|
617 | DebugInt3();
|
---|
618 | return DSERR_INVALIDPARAM;
|
---|
619 | }
|
---|
620 | return me->AddRef();
|
---|
621 | }
|
---|
622 | //******************************************************************************
|
---|
623 | //******************************************************************************
|
---|
624 | ULONG WINAPI DAudioBufRelease(THIS)
|
---|
625 | {
|
---|
626 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
627 | if(This == NULL) {
|
---|
628 | DebugInt3();
|
---|
629 | return DSERR_INVALIDPARAM;
|
---|
630 | }
|
---|
631 | return me->Release();
|
---|
632 | }
|
---|
633 | //******************************************************************************
|
---|
634 | //******************************************************************************
|
---|
635 | HRESULT WINAPI DAudioBufGetCaps(THIS_ LPDSBCAPS lpCaps)
|
---|
636 | {
|
---|
637 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
638 | if(This == NULL) {
|
---|
639 | DebugInt3();
|
---|
640 | return DSERR_INVALIDPARAM;
|
---|
641 | }
|
---|
642 | return me->GetCaps(lpCaps);
|
---|
643 | }
|
---|
644 | //******************************************************************************
|
---|
645 | //******************************************************************************
|
---|
646 | HRESULT WINAPI DAudioBufGetCurrentPosition(THIS_ LPDWORD a,LPDWORD b)
|
---|
647 | {
|
---|
648 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
649 | if(This == NULL) {
|
---|
650 | DebugInt3();
|
---|
651 | return DSERR_INVALIDPARAM;
|
---|
652 | }
|
---|
653 | return me->GetCurrentPosition(a, b);
|
---|
654 | }
|
---|
655 | //******************************************************************************
|
---|
656 | //******************************************************************************
|
---|
657 | HRESULT WINAPI DAudioBufGetFormat(THIS_ LPWAVEFORMATEX a, DWORD b, LPDWORD c)
|
---|
658 | {
|
---|
659 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
660 | if(This == NULL) {
|
---|
661 | DebugInt3();
|
---|
662 | return DSERR_INVALIDPARAM;
|
---|
663 | }
|
---|
664 | return me->GetFormat(a,b,c);
|
---|
665 | }
|
---|
666 | //******************************************************************************
|
---|
667 | //******************************************************************************
|
---|
668 | HRESULT WINAPI DAudioBufGetVolume(THIS_ LPLONG a)
|
---|
669 | {
|
---|
670 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
671 | if(This == NULL) {
|
---|
672 | DebugInt3();
|
---|
673 | return DSERR_INVALIDPARAM;
|
---|
674 | }
|
---|
675 | return me->GetVolume(a);
|
---|
676 | }
|
---|
677 | //******************************************************************************
|
---|
678 | //******************************************************************************
|
---|
679 | HRESULT WINAPI DAudioBufGetPan(THIS_ LPLONG a)
|
---|
680 | {
|
---|
681 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
682 | if(This == NULL) {
|
---|
683 | DebugInt3();
|
---|
684 | return DSERR_INVALIDPARAM;
|
---|
685 | }
|
---|
686 | return me->GetPan(a);
|
---|
687 | }
|
---|
688 | //******************************************************************************
|
---|
689 | //******************************************************************************
|
---|
690 | HRESULT WINAPI DAudioBufGetFrequency(THIS_ LPDWORD a)
|
---|
691 | {
|
---|
692 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
693 | if(This == NULL) {
|
---|
694 | DebugInt3();
|
---|
695 | return DSERR_INVALIDPARAM;
|
---|
696 | }
|
---|
697 | return me->GetFrequency(a);
|
---|
698 | }
|
---|
699 | //******************************************************************************
|
---|
700 | //******************************************************************************
|
---|
701 | HRESULT WINAPI DAudioBufGetStatus(THIS_ LPDWORD a)
|
---|
702 | {
|
---|
703 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
704 | if(This == NULL) {
|
---|
705 | DebugInt3();
|
---|
706 | return DSERR_INVALIDPARAM;
|
---|
707 | }
|
---|
708 | return me->GetStatus(a);
|
---|
709 | }
|
---|
710 | //******************************************************************************
|
---|
711 | //******************************************************************************
|
---|
712 | HRESULT WINAPI DAudioBufInitialize(THIS_ LPDIRECTSOUND a, LPDSBUFFERDESC b)
|
---|
713 | {
|
---|
714 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
715 | if(This == NULL) {
|
---|
716 | DebugInt3();
|
---|
717 | return DSERR_INVALIDPARAM;
|
---|
718 | }
|
---|
719 | return me->Initialize(a,b);
|
---|
720 | }
|
---|
721 | //******************************************************************************
|
---|
722 | //******************************************************************************
|
---|
723 | HRESULT WINAPI DAudioBufLock(THIS_ DWORD a,DWORD b,LPVOID c,LPDWORD d,LPVOID e,LPDWORD f,DWORD g)
|
---|
724 | {
|
---|
725 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
726 | if(This == NULL) {
|
---|
727 | DebugInt3();
|
---|
728 | return DSERR_INVALIDPARAM;
|
---|
729 | }
|
---|
730 | return me->Lock(a,b,c,d,e,f,g);
|
---|
731 | }
|
---|
732 | //******************************************************************************
|
---|
733 | //******************************************************************************
|
---|
734 | HRESULT WINAPI DAudioBufPlay(THIS_ DWORD a, DWORD b,DWORD c)
|
---|
735 | {
|
---|
736 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
737 | if(This == NULL) {
|
---|
738 | DebugInt3();
|
---|
739 | return DSERR_INVALIDPARAM;
|
---|
740 | }
|
---|
741 | return me->Play(a,b,c);
|
---|
742 | }
|
---|
743 | //******************************************************************************
|
---|
744 | //******************************************************************************
|
---|
745 | HRESULT WINAPI DAudioBufSetCurrentPosition(THIS_ DWORD a)
|
---|
746 | {
|
---|
747 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
748 | if(This == NULL) {
|
---|
749 | DebugInt3();
|
---|
750 | return DSERR_INVALIDPARAM;
|
---|
751 | }
|
---|
752 | return me->SetCurrentPosition(a);
|
---|
753 | }
|
---|
754 | //******************************************************************************
|
---|
755 | //******************************************************************************
|
---|
756 | HRESULT WINAPI DAudioBufSetFormat(THIS_ LPWAVEFORMATEX a)
|
---|
757 | {
|
---|
758 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
759 | if(This == NULL) {
|
---|
760 | DebugInt3();
|
---|
761 | return DSERR_INVALIDPARAM;
|
---|
762 | }
|
---|
763 | return me->SetFormat(a);
|
---|
764 | }
|
---|
765 | //******************************************************************************
|
---|
766 | //******************************************************************************
|
---|
767 | HRESULT WINAPI DAudioBufSetVolume(THIS_ LONG a)
|
---|
768 | {
|
---|
769 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
770 | if(This == NULL) {
|
---|
771 | DebugInt3();
|
---|
772 | return DSERR_INVALIDPARAM;
|
---|
773 | }
|
---|
774 | return me->SetVolume(a);
|
---|
775 | }
|
---|
776 | //******************************************************************************
|
---|
777 | //******************************************************************************
|
---|
778 | HRESULT WINAPI DAudioBufSetPan(THIS_ LONG a)
|
---|
779 | {
|
---|
780 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
781 | if(This == NULL) {
|
---|
782 | DebugInt3();
|
---|
783 | return DSERR_INVALIDPARAM;
|
---|
784 | }
|
---|
785 | return me->SetPan(a);
|
---|
786 | }
|
---|
787 | //******************************************************************************
|
---|
788 | //******************************************************************************
|
---|
789 | HRESULT WINAPI DAudioBufSetFrequency(THIS_ DWORD a)
|
---|
790 | {
|
---|
791 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
792 | if(This == NULL) {
|
---|
793 | DebugInt3();
|
---|
794 | return DSERR_INVALIDPARAM;
|
---|
795 | }
|
---|
796 | return me->SetFrequency(a);
|
---|
797 |
|
---|
798 | }
|
---|
799 | //******************************************************************************
|
---|
800 | //******************************************************************************
|
---|
801 | HRESULT WINAPI DAudioBufStop(THIS )
|
---|
802 | {
|
---|
803 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
804 | if(This == NULL) {
|
---|
805 | DebugInt3();
|
---|
806 | return DSERR_INVALIDPARAM;
|
---|
807 | }
|
---|
808 | return me->Stop();
|
---|
809 | }
|
---|
810 | //******************************************************************************
|
---|
811 | //******************************************************************************
|
---|
812 | HRESULT WINAPI DAudioBufUnlock(THIS_ LPVOID a,DWORD b,LPVOID c,DWORD d)
|
---|
813 | {
|
---|
814 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
815 | if(This == NULL) {
|
---|
816 | DebugInt3();
|
---|
817 | return DSERR_INVALIDPARAM;
|
---|
818 | }
|
---|
819 | return me->Unlock(a,b,c,d);
|
---|
820 | }
|
---|
821 | //******************************************************************************
|
---|
822 | //******************************************************************************
|
---|
823 | HRESULT WINAPI DAudioBufRestore(THIS )
|
---|
824 | {
|
---|
825 | IDirectAudioBuffer *me = (IDirectAudioBuffer *)This;
|
---|
826 | if(This == NULL) {
|
---|
827 | DebugInt3();
|
---|
828 | return DSERR_INVALIDPARAM;
|
---|
829 | }
|
---|
830 | return me->Restore();
|
---|
831 | }
|
---|
832 | //******************************************************************************
|
---|
833 | //******************************************************************************
|
---|
834 |
|
---|