1 | //----------------------------------------------------------------------//
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2 | // //
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3 | // //
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4 | // //
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5 | // //
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6 | // //
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7 | // //
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8 | // //
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9 | //----------------------------------------------------------------------//
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10 |
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11 | #define INCL_NOPMAPI
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12 | #define INCL_DOSMODULEMGR
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13 | #define INCL_DOSSEMAPHORES
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14 | #include <os2.h>
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15 |
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16 | #define INCL_32
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17 | #include <mcios2.h>
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18 | #include <mcdos2.h>
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19 |
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20 | #include "vsdcmds.h"
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21 | //#include "shdd.h"
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22 |
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23 | #include <stdio.h>
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24 |
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25 |
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26 | //----------------------------------------------------------------------//
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27 | // //
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28 | //----------------------------------------------------------------------//
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29 |
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30 | typedef LHANDLE HSTREAM;
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31 |
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32 | /* DDCMD Defines */
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33 | #define DDCMD_SETUP 0L
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34 | #define DDCMD_READ 1L
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35 | #define DDCMD_WRITE 2L
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36 | #define DDCMD_STATUS 3L
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37 | #define DDCMD_CONTROL 4L
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38 | #define DDCMD_REG_STREAM 5L
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39 | #define DDCMD_DEREG_STREAM 6L
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40 |
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41 | typedef struct _ddcmd_common_parm {
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42 | ULONG ulFunction;
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43 | HSTREAM hStream;
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44 | } DDCMDCOMMON;
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45 | typedef DDCMDCOMMON *PDDCMDCOMMON;
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46 |
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47 |
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48 | //----------------------------------------------------------------------//
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49 | // //
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50 | //----------------------------------------------------------------------//
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51 |
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52 | typedef ULONG (APIENTRY *PFNVSDENTRY)(HVSD hvsd, ULONG ulFunc,
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53 | ULONG ulFlags, PVOID pRequest);
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54 |
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55 | typedef ULONG (APIENTRY *PFNDRIVERENTRY)(PMCI_AMP_INSTANCE pInstance,
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56 | ULONG sMessage, ULONG lParam1,
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57 | ULONG lParam2, ULONG lParam3);
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58 |
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59 |
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60 | static HMODULE hAUDIOIF;
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61 | static PFNVSDENTRY pfnVSDEntry;
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62 | static PFNDRIVERENTRY pfnAUDIOIFDriverEntry;
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63 |
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64 | static FILE *fpLog;
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65 |
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66 |
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67 | //----------------------------------------------------------------------//
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68 | // //
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69 | //----------------------------------------------------------------------//
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70 |
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71 | ULONG APIENTRY LibMain(HMODULE hModule, ULONG fTerminate)
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72 | {
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73 | if( !fTerminate )
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74 | {
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75 | if( DosLoadModule(NULL, 0, "AUDIOIF", &hAUDIOIF) != 0 ||
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76 | DosQueryProcAddr(hAUDIOIF, 0, "VSDEntry", (PFN *)&pfnVSDEntry) != 0 ||
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77 | DosQueryProcAddr(hAUDIOIF, 0, "AUDIOIFDriverEntry", (PFN *)&pfnAUDIOIFDriverEntry) != 0 )
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78 | {
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79 | return FALSE;
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80 | }
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81 |
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82 | fpLog = fopen("C:\\VSD.LOG", "a");
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83 | if( fpLog )
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84 | {
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85 | setvbuf(fpLog, NULL, _IOLBF, 4096);
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86 | fprintf(fpLog, "\nVSD loaded.\n");
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87 | }
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88 | }
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89 | else
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90 | {
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91 | if( fpLog )
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92 | {
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93 | fprintf(fpLog, "VSD unloaded.\n");
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94 | fclose(fpLog); fpLog = NULL;
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95 | }
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96 |
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97 | // if( hAUDIOIF ) DosFreeModule(hAUDIOIF);
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98 | }
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99 |
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100 | return TRUE;
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101 | }
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102 |
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103 |
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104 | //----------------------------------------------------------------------//
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105 | // //
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106 | //----------------------------------------------------------------------//
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107 |
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108 | ULONG APIENTRY VSDEntry(HVSD hvsd, ULONG ulFunc, ULONG ulFlags, PVOID pRequest)
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109 | {
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110 | PDDCMDCOMMON pDDCmd;
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111 |
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112 | if( fpLog )
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113 | {
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114 | if( ulFunc == VSD_DDCMD )
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115 | {
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116 | pDDCmd = (PDDCMDCOMMON)pRequest;
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117 | fprintf(fpLog, "VSDEntry: DDCMD, ulFunction: %d\n", pDDCmd->ulFunction);
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118 | }
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119 | else
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120 | {
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121 | fprintf(fpLog, "VSDEntry: ulFunc: %u, ulFlags: %d\n", ulFunc, ulFlags);
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122 | }
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123 | }
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124 |
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125 | return (*pfnVSDEntry)(hvsd, ulFunc, ulFlags, pRequest);
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126 | }
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127 |
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128 |
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129 | //----------------------------------------------------------------------//
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130 | // //
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131 | //----------------------------------------------------------------------//
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132 |
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133 | ULONG APIENTRY AUDIOIFDriverEntry(PMCI_AMP_INSTANCE pInstance, ULONG sMessage,
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134 | ULONG lParam1, ULONG lParam2, ULONG lParam3)
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135 | {
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136 | if( fpLog ) fprintf(fpLog, "AUDIOIFDriverEntry: sMessage: %u\n", sMessage);
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137 |
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138 | return (*pfnAUDIOIFDriverEntry)(pInstance, sMessage, lParam1, lParam2, lParam3);
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139 | }
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140 |
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141 |
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142 |
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