1 | /* -*- tab-width: 8; c-basic-offset: 4 -*- */
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2 | /*
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3 | * MCI CDAUDIO Driver for OS/2. Interface to OS/2 DosIOCtrl()
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4 | *
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5 | * Copyright 2000 Chris Wohlgemuth
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6 | * 2001 Przemyslaw Dobrowolski
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7 | * Project Odin Software License can be found in LICENSE.TXT
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8 | *
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9 | */
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10 |
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11 |
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12 | #define INCL_DOSDEVICES
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13 | #define INCL_DOSDEVIOCTL
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14 | #define INCL_DOS
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15 |
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16 | #include <os2wrap.h>
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17 | #include <win32type.h>
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18 | //#include <cdrom.h>
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19 |
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20 | #pragma pack(1)
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21 |
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22 | typedef struct{
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23 | UCHAR ucFirstTrack;
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24 | UCHAR ucLastTrack;
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25 | ULONG ulLeadOut;
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26 | }CDINFO;
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27 |
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28 | typedef struct
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29 | {
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30 | int ADR_data_for_track:4; // ADR data for track
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31 | int preemphasis:1; // 0 = Audio without preemphasis
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32 | // 1 = Audio with preemphasis
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33 | int cdda_permitted:1; // 0 = Digital copy prohibited
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34 | // 1 = Digital copy permitted
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35 | int type_of_track:1; // 0 = Audio track
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36 | // 1 = Data track
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37 | int channels:1; // 0 = Two-channel audio
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38 | // 1 = Four-channel audio
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39 | }TRACKTYPE;
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40 |
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41 | typedef struct
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42 | {
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43 | ULONG ulTrackAddress;
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44 | TRACKTYPE track_type;
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45 | }CDTRACKINFO;
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46 |
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47 | typedef struct
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48 | {
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49 | UCHAR signature[4];
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50 | UCHAR ucTrackNum;
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51 | }TINFOPARAM;
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52 |
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53 | typedef struct
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54 | {
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55 | UCHAR ucFrames;
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56 | UCHAR ucSeconds;
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57 | UCHAR ucMinutes;
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58 | UCHAR ucNotUsed;
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59 | }MSF;
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60 |
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61 | typedef struct
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62 | {
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63 | USHORT usStatusBits;
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64 | ULONG ulStarting;
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65 | ULONG ulEnding;
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66 | }AUDIOSTATUS;
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67 |
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68 | typedef struct
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69 | {
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70 | UCHAR signature[4];
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71 | UCHAR ucAddressMode;
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72 | ULONG ulStartSector;
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73 | ULONG ulEndSector;
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74 | }PLAYPARAM2;
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75 |
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76 | typedef struct
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77 | {
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78 | UCHAR signature[4];
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79 | UCHAR ucAddressMode;
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80 | ULONG ulTo;
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81 | }SEEKPARAM;
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82 |
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83 | typedef struct
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84 | {
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85 | UCHAR ucCtrlAdr;
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86 | UCHAR ucTrack;
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87 | UCHAR ucIndex;
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88 | UCHAR ucTrackMins;
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89 | UCHAR ucTrackSecs;
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90 | UCHAR UCTrackFrames;
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91 | UCHAR ucNull;
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92 | UCHAR ucDiskMins;
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93 | UCHAR ucDiskSecs;
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94 | UCHAR ucDiskFrames;
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95 | }SUBCHANNELQ;
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96 |
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97 | #pragma pack()
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98 |
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99 |
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100 | LONG static _CDCalculateSector(MSF* msf1)
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101 | {
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102 | return ((msf1->ucMinutes*60+msf1->ucSeconds)*75+msf1->ucFrames);
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103 | }
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104 |
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105 |
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106 | HANDLE os2CDOpen(char *drive)
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107 | {
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108 | HANDLE hfDrive = 0;
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109 | ULONG ulAction;
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110 | ULONG rc;
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111 |
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112 | rc = DosOpen(drive, &hfDrive, &ulAction, 0,
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113 | FILE_NORMAL, OPEN_ACTION_OPEN_IF_EXISTS,
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114 | OPEN_SHARE_DENYNONE | OPEN_ACCESS_READONLY |
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115 | OPEN_FLAGS_DASD|OPEN_FLAGS_FAIL_ON_ERROR, NULL);
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116 |
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117 | if(rc)
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118 | return 0;//Error
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119 |
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120 | return hfDrive;
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121 | }
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122 |
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123 | ULONG os2CDClose(ULONG hfOS2Handle)
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124 | {
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125 | return DosClose(hfOS2Handle);
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126 | }
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127 |
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128 | /******************************************/
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129 | /* Result:
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130 | 0: Error
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131 | -1: CD is Data Disk
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132 | other: # Audio tracks */
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133 | /******************************************/
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134 | int os2GetNumTracks(HANDLE hfOS2Handle, ULONG *ulLeadOut)
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135 | {
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136 | ULONG ulParamLen;
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137 | ULONG ulDataLen;
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138 | ULONG rc;
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139 | CDINFO cdInfo;
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140 | TINFOPARAM tip;
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141 | CDTRACKINFO trackInfo;
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142 |
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143 | ulDataLen=sizeof(cdInfo);
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144 | ulParamLen=4;
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145 |
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146 | if(!hfOS2Handle)
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147 | return 0;
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148 |
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149 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIODISK,
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150 | (void*)"CD01", 4, &ulParamLen, &cdInfo,
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151 | sizeof(cdInfo), &ulDataLen);
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152 |
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153 | if(rc) {
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154 | return 0;//Error
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155 | }
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156 |
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157 | ulDataLen=sizeof(trackInfo);
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158 | ulParamLen=sizeof(TINFOPARAM);
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159 | tip.signature[0]='C';
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160 | tip.signature[1]='D';
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161 | tip.signature[2]='0';
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162 | tip.signature[3]='1';
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163 | tip.ucTrackNum=1;
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164 |
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165 | /* We have a disc. Check if it's audio */
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166 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
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167 | &tip, sizeof(tip), &ulParamLen, &trackInfo,
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168 | sizeof(trackInfo), &ulDataLen);
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169 |
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170 | if(rc) {
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171 | return 0;//Error
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172 | }
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173 |
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174 | // PD: Don't return error when data track is found.
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175 | // if(trackInfo.ucTCInfo & 0x40) {
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176 | // return -1;//It's a data track
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177 | // }
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178 |
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179 | *ulLeadOut=cdInfo.ulLeadOut;
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180 | return cdInfo.ucLastTrack-cdInfo.ucFirstTrack+1;
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181 | }
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182 |
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183 | BOOL os2GetCDStatus(HANDLE hfOS2Handle, ULONG *ulStatus)
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184 | {
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185 | ULONG ulParamLen;
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186 | ULONG ulDeviceStatus;
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187 | ULONG ulDataLen;
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188 | ULONG rc;
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189 |
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190 | ulDeviceStatus=0;
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191 |
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192 | /* Get status */
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193 | ulDataLen=sizeof(ulDeviceStatus);
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194 | ulParamLen=4;
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195 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMDISK, CDROMDISK_DEVICESTATUS,
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196 | (void*)"CD01", 4, &ulParamLen, &ulDeviceStatus,
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197 | sizeof(ulDeviceStatus), &ulDataLen);
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198 | if(rc) {
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199 | return FALSE;//Error
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200 | }
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201 |
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202 | *ulStatus=ulDeviceStatus;
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203 | return TRUE;
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204 | }
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205 |
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206 | BOOL os2GetCDAudioStatus(HANDLE hfOS2Handle, USHORT *usStatus)
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207 | {
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208 | AUDIOSTATUS asStatus;
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209 | ULONG ulParamLen;
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210 | ULONG ulDataLen;
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211 | ULONG rc;
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212 |
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213 | /* Get status */
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214 |
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215 | ulDataLen=sizeof(asStatus);
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216 | ulParamLen=4;
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217 |
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218 | /* Get information */
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219 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOSTATUS,
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220 | (void*)"CD01", 4, &ulParamLen, &asStatus,
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221 | sizeof(asStatus), &ulDataLen);
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222 | if(rc) {
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223 | *usStatus=rc;
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224 | return FALSE;//Error
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225 | }
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226 | *usStatus=asStatus.usStatusBits;
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227 | return TRUE;
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228 | }
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229 |
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230 | /* Returns sector info of track #numTrack */
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231 | /* Starting with track 0 */
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232 | ULONG os2CDQueryTrackStartSector( HANDLE hfDrive, ULONG numTrack, BOOL *pflAudio)
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233 | {
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234 | ULONG ulParamLen;
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235 | ULONG ulDataLen;
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236 | ULONG rc;
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237 | CDINFO cdInfo;
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238 | TINFOPARAM tip;
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239 | CDTRACKINFO trackInfo[2];
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240 |
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241 | do {
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242 | if(!hfDrive)
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243 | break;
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244 |
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245 | /* Get cd info */
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246 | ulDataLen=sizeof(cdInfo);
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247 | ulParamLen=4;
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248 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIODISK,
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249 | (void*)"CD01", 4, &ulParamLen, &cdInfo,
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250 | sizeof(cdInfo), &ulDataLen);
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251 | if(rc)
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252 | break;//Error
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253 |
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254 | ulDataLen=sizeof(trackInfo);
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255 | ulParamLen=sizeof(TINFOPARAM);
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256 | tip.signature[0]='C';
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257 | tip.signature[1]='D';
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258 | tip.signature[2]='0';
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259 | tip.signature[3]='1';
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260 | /* Get information about our track */
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261 | tip.ucTrackNum=numTrack+1;
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262 | if(tip.ucTrackNum<=cdInfo.ucLastTrack) {
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263 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
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264 | &tip, sizeof(tip), &ulParamLen, &trackInfo[0],
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265 | sizeof(trackInfo[0]), &ulDataLen);
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266 | if(rc)
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267 | break;//Error
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268 |
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269 | *pflAudio=!trackInfo[0].track_type.type_of_track;
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270 |
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271 | }else
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272 | return _CDCalculateSector((MSF*)&cdInfo.ulLeadOut);
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273 |
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274 |
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275 | return _CDCalculateSector((MSF*)&trackInfo[0].ulTrackAddress);
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276 |
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277 | }while(TRUE);
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278 |
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279 | /* error */
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280 | return 0;
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281 | }
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282 |
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283 |
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284 | BOOL os2CDEject(HANDLE hfDrive)
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285 | {
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286 | ULONG ulParamLen;
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287 | ULONG rc;
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288 |
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289 | if(!hfDrive)
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290 | return FALSE;
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291 |
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292 | ulParamLen=4;
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293 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMDISK, CDROMDISK_EJECTDISK,
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294 | (void*)"CD01", 4, &ulParamLen,0,
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295 | 0, 0);
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296 | if(rc)
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297 | return FALSE;//Error
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298 |
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299 | return TRUE;
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300 | }
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301 |
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302 | #ifndef CDROMDISK_CLOSETRAY
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303 | #define CDROMDISK_CLOSETRAY 0x0045
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304 | #endif
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305 |
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306 | BOOL os2CDCloseTray(HANDLE hfDrive)
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307 | {
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308 | ULONG ulParamLen;
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309 | ULONG rc;
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310 |
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311 | if(!hfDrive)
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312 | return FALSE;
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313 |
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314 | ulParamLen=4;
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315 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMDISK, CDROMDISK_CLOSETRAY,
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316 | (void*)"CD01", 4, &ulParamLen,0,
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317 | 0, 0);
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318 | if(rc)
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319 | return FALSE;//Error
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320 |
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321 | return TRUE;
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322 | }
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323 |
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324 | BOOL os2CDStop(HANDLE hfDrive)
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325 | {
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326 | ULONG ulParamLen;
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327 | ULONG rc;
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328 |
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329 | if(!hfDrive)
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330 | return FALSE;
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331 |
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332 |
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333 |
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334 | /* Stop CD */
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335 | ulParamLen=4;
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336 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_STOPAUDIO,
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337 | (void*)"CD01", 4, &ulParamLen,0,
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338 | 0, 0);
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339 | if(rc)
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340 | return FALSE;//Error
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341 |
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342 | return TRUE;
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343 | }
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344 |
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345 |
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346 | /*****************************************/
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347 | /* */
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348 | /* Plays frame range */
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349 | /* */
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350 | /* Returns TRUE if successful */
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351 | /* */
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352 | /*****************************************/
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353 | BOOL os2CDPlayRange(HANDLE hfDrive ,ULONG ulFrom, ULONG ulTo)
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354 | {
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355 | ULONG ulParamLen;
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356 | ULONG ulDataLen;
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357 | ULONG rc;
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358 | CDINFO cdInfo;
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359 | TINFOPARAM tip;
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360 | CDTRACKINFO trackInfo[2];
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361 | PLAYPARAM2 playParam={0};
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362 |
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363 | if(!hfDrive)
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364 | return FALSE;
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365 |
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366 | //memcpy(&playParam,PlayParam, sizeof(playParam));
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367 | /* Play the Track... */
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368 | ulParamLen=sizeof(PLAYPARAM2);
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369 | playParam.signature[0]='C';
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370 | playParam.signature[1]='D';
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371 | playParam.signature[2]='0';
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372 | playParam.signature[3]='1';
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373 | //playParam.ucAddressMode=01;
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374 | playParam.ulStartSector=ulFrom;
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375 | playParam.ulEndSector=ulTo;
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376 |
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377 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_PLAYAUDIO,
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378 | &playParam, sizeof(playParam), &ulParamLen,0,
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379 | 0, 0);
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380 | return rc;
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381 | if(rc)
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382 | return FALSE;
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383 |
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384 | return TRUE;
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385 | }
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386 |
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387 | BOOL os2CDResume(HANDLE hfDrive)
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388 | {
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389 | ULONG ulParamLen;
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390 | ULONG rc;
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391 |
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392 | if(!hfDrive)
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393 | return FALSE;
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394 |
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395 | /* Stop CD */
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396 | ulParamLen=4;
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397 | rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_RESUMEAUDIO,
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398 | (void*)"CD01", 4, &ulParamLen,0,
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399 | 0, 0);
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400 | if(rc)
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401 | return FALSE;//Error
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402 |
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403 | return TRUE;
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404 | }
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405 |
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406 | BOOL os2CDGetHeadLocation(HANDLE hfOS2Handle, ULONG *ulHeadLocation)
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407 | {
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408 | UCHAR ucParam[5]={0};
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409 | ULONG ulParamLen;
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410 | ULONG ulDeviceStatus;
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411 | ULONG ulDataLen;
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412 | ULONG rc;
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413 |
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414 | ulDeviceStatus=0;
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415 |
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416 | if(!hfOS2Handle)
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417 | return FALSE;
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418 |
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419 | /* Get Location */
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420 | ulDataLen=sizeof(ulDeviceStatus);
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421 | ulParamLen=5;
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422 | ucParam[0]='C';
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423 | ucParam[1]='D';
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424 | ucParam[2]='0';
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425 | ucParam[3]='1';
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426 | ucParam[4]=0;
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427 |
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428 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMDISK, CDROMDISK_GETHEADLOC,
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429 | &ucParam, 5, &ulParamLen, &ulDeviceStatus,
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430 | sizeof(ulDeviceStatus), &ulDataLen);
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431 | if(rc) {
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432 | return FALSE;//Error
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433 | }
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434 |
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435 | *ulHeadLocation=ulDeviceStatus;
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436 | return TRUE;
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437 |
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438 | }
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439 |
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440 | BOOL os2CDSeek(HANDLE hfOS2Handle, ULONG ulTo)
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441 | {
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442 | SEEKPARAM sp={0};
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443 | ULONG ulParamLen;
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444 | ULONG rc;
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445 |
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446 | if(!hfOS2Handle)
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447 | return FALSE;
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448 |
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449 | sp.signature[0]='C';
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450 | sp.signature[1]='D';
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451 | sp.signature[2]='0';
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452 | sp.signature[3]='1';
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453 | sp.ulTo=ulTo;
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454 |
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455 | ulParamLen=sizeof(sp);
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456 |
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457 | /* We have a disc. Check if it's audio */
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458 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMDISK, CDROMDISK_SEEK,
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459 | &sp, sizeof(sp), &ulParamLen, 0,
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460 | 0, 0);
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461 |
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462 | if(rc) {
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463 | return FALSE;//Error
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464 | }
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465 |
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466 | return TRUE;
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467 | }
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468 |
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469 | BOOL os2CDQueryCurTrack(HANDLE hfOS2Handle, UINT * uiCurTrack)
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470 | {
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471 | ULONG ulParamLen;
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472 | ULONG ulDeviceStatus;
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473 | ULONG ulDataLen;
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474 | ULONG rc;
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475 | SUBCHANNELQ scq;
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476 |
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477 |
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478 | if(!hfOS2Handle)
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479 | return FALSE;
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480 |
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481 |
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482 | /* Get status */
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483 | ulDataLen=sizeof(scq);
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484 | ulParamLen=4;
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485 | rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETSUBCHANNELQ,
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486 | (void*)"CD01", 4, &ulParamLen, &scq,
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487 | sizeof(scq), &ulDataLen);
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488 | if(rc) {
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489 | return FALSE;//Error
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490 | }
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491 | *uiCurTrack=(scq.ucTrack & 0xF)+(scq.ucTrack & 0xF0)*10;
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492 | return TRUE;
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493 | }
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494 |
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495 | /**************************************************************/
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496 | /* */
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497 | /* This funktion returns the CD-Drives in the system */
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498 | /* */
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499 | /* iNumCD (output): # of CD-Drives */
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500 | /* cFirstDrive (output): first cd-Drive letter */
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501 | /* returns TRUE: We have cd-drives */
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502 | /* */
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503 | /**************************************************************/
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504 | BOOL os2CDQueryCDDrives(int *iNumCD, char * cFirstDrive)
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505 | {
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506 | HANDLE hfDevice;
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507 | ULONG ulAction;
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508 | ULONG ulLen;
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509 | static char cFirst=0;
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510 | static int iNumCDLocal=0;
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511 | static BOOL haveCD=FALSE;
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512 | static BOOL done=FALSE;
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513 |
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514 | struct
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515 | {
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516 | USHORT usCountCD;
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517 | USHORT usFirstCD;
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518 | } CDInfo;
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519 |
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520 | if(!done){
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521 | ulLen = sizeof(CDInfo);
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522 | if(!DosOpen("\\DEV\\CD-ROM2$", &hfDevice, &ulAction, 0,
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523 | FILE_NORMAL, OPEN_ACTION_OPEN_IF_EXISTS,
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524 | OPEN_SHARE_DENYNONE | OPEN_ACCESS_READONLY, NULL))
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525 | {
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526 | if(!DosDevIOCtl(hfDevice, 0x82, 0x60, NULL, 0, NULL, &CDInfo, ulLen, &ulLen))
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527 | {
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528 | if(CDInfo.usCountCD) {
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529 | haveCD=TRUE;
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530 | iNumCDLocal=CDInfo.usCountCD;
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531 | cFirst='A'+ CDInfo.usFirstCD;
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---|
532 | }
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533 | }
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534 | DosClose(hfDevice);
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535 | }
|
---|
536 | done=TRUE;
|
---|
537 | }
|
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538 | *iNumCD=iNumCDLocal;
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539 | *cFirstDrive=cFirst;
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540 | return haveCD;
|
---|
541 | }
|
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542 |
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543 |
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544 |
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545 |
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546 |
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547 |
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548 |
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549 |
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550 |
|
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551 |
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