dll/win32/wdmaud.drv/wdmaud.c

   1 /*
   2  * PROJECT:     ReactOS Sound System
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        dll/win32/wdmaud.drv/wdmaud.c
   5  *
   6  * PURPOSE:     WDM Audio Driver (User-mode part)
   7  * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
   8  *
   9  * NOTES:       Looking for wodMessage & co? You won't find them here. Try
  10  *              the MME Buddy library, which is where these routines are
  11  *              actually implemented.
  12  *
  13  */
  14
  15 #include "wdmaud.h"
  16
  17
  18 #ifndef USE_MMIXER_LIB
  19 #define FUNC_NAME(x) x##ByLegacy
  20 #else
  21 #define FUNC_NAME(x) x##ByMMixer
  22 #endif
  23
  24 MMRESULT
  25 QueryWdmWaveDeviceFormatSupport(
  26     IN  PSOUND_DEVICE Device,
  27     IN  PWAVEFORMATEX WaveFormat,
  28     IN  DWORD WaveFormatSize)
  29 {
  30     /* Whatever... */
  31     return MMSYSERR_NOERROR;
  32 }
  33
  34 MMRESULT
  35 PopulateWdmDeviceList(
  36     MMDEVICE_TYPE DeviceType)
  37 {
  38     MMRESULT Result;
  39     DWORD DeviceCount = 0;
  40     PSOUND_DEVICE SoundDevice = NULL;
  41     MMFUNCTION_TABLE FuncTable;
  42     DWORD i;
  43
  44     VALIDATE_MMSYS_PARAMETER( IS_VALID_SOUND_DEVICE_TYPE(DeviceType) );
  45
  46     Result = FUNC_NAME(WdmAudGetNumWdmDevs)(DeviceType, &DeviceCount);
  47
  48     if ( ! MMSUCCESS(Result) )
  49     {
  50         SND_ERR(L"Error %d while obtaining number of devices\n", Result);
  51         return TranslateInternalMmResult(Result);
  52     }
  53
  54     SND_TRACE(L"%d devices of type %d found\n", DeviceCount, DeviceType);
  55
  56
  57     for ( i = 0; i < DeviceCount; ++ i )
  58     {
  59         Result = ListSoundDevice(DeviceType, UlongToPtr(i), &SoundDevice);
  60
  61         if ( ! MMSUCCESS(Result) )
  62         {
  63             SND_ERR(L"Failed to list sound device - error %d\n", Result);
  64             return TranslateInternalMmResult(Result);
  65         }
  66
  67         /* Set up our function table */
  68         ZeroMemory(&FuncTable, sizeof(MMFUNCTION_TABLE));
  69         FuncTable.GetCapabilities = FUNC_NAME(WdmAudGetCapabilities);
  70         FuncTable.QueryWaveFormatSupport = QueryWdmWaveDeviceFormatSupport; //FIXME
  71         FuncTable.Open = FUNC_NAME(WdmAudOpenSoundDevice);
  72         FuncTable.Close = FUNC_NAME(WdmAudCloseSoundDevice);
  73         FuncTable.GetDeviceInterfaceString = FUNC_NAME(WdmAudGetDeviceInterfaceString);
  74
  75         if (DeviceType == MIXER_DEVICE_TYPE)
  76         {
  77             FuncTable.SetWaveFormat = FUNC_NAME(WdmAudSetMixerDeviceFormat);
  78             FuncTable.QueryMixerInfo = FUNC_NAME(WdmAudQueryMixerInfo);
  79         }
  80         else if (DeviceType == WAVE_IN_DEVICE_TYPE || DeviceType == WAVE_OUT_DEVICE_TYPE)
  81         {
  82             FuncTable.SetWaveFormat = FUNC_NAME(WdmAudSetWaveDeviceFormat);
  83             FuncTable.SetState = FUNC_NAME(WdmAudSetWaveState);
  84             FuncTable.ResetStream = FUNC_NAME(WdmAudResetStream);
  85             FuncTable.GetPos = FUNC_NAME(WdmAudGetWavePosition);
  86
  87 #ifndef USERMODE_MIXER
  88             FuncTable.CommitWaveBuffer = FUNC_NAME(WdmAudCommitWaveBuffer);
  89 #else
  90             FuncTable.CommitWaveBuffer = WriteFileEx_Remixer;
  91 #endif
  92         }
  93
  94         SetSoundDeviceFunctionTable(SoundDevice, &FuncTable);
  95     }
  96
  97     return MMSYSERR_NOERROR;
  98 }
  99
 100
 101
 102 LONG
 103 APIENTRY
 104 DriverProc(
 105     DWORD DriverId,
 106     HANDLE DriverHandle,
 107     UINT Message,
 108     LONG Parameter1,
 109     LONG Parameter2)
 110 {
 111     switch ( Message )
 112     {
 113         case DRV_LOAD :
 114         {
 115             HANDLE Handle;
 116             MMRESULT Result;
 117             SND_TRACE(L"DRV_LOAD\n");
 118
 119             Result = InitEntrypointMutexes();
 120
 121             if ( ! MMSUCCESS(Result) )
 122                 return 0L;
 123
 124             Result = FUNC_NAME(WdmAudOpenSoundDevice)(NULL, &Handle);
 125
 126             if ( Result != MMSYSERR_NOERROR )
 127             {
 128                 SND_ERR(L"Failed to open \\\\.\\wdmaud\n");
 129                 //UnlistAllSoundDevices();
 130
 131                 return 0L;
 132             }
 133
 134             /* Populate the device lists */
 135             SND_TRACE(L"Populating device lists\n");
 136             PopulateWdmDeviceList(WAVE_OUT_DEVICE_TYPE);
 137             PopulateWdmDeviceList(WAVE_IN_DEVICE_TYPE);
 138             PopulateWdmDeviceList(MIDI_OUT_DEVICE_TYPE);
 139             PopulateWdmDeviceList(MIDI_IN_DEVICE_TYPE);
 140             PopulateWdmDeviceList(AUX_DEVICE_TYPE);
 141             PopulateWdmDeviceList(MIXER_DEVICE_TYPE);
 142
 143             SND_TRACE(L"Initialisation complete\n");
 144
 145             return 1L;
 146         }
 147
 148         case DRV_FREE :
 149         {
 150             SND_TRACE(L"DRV_FREE\n");
 151
 152             FUNC_NAME(WdmAudCleanup)();
 153
 154             /* TODO: Clean up the path names! */
 155             UnlistAllSoundDevices();
 156
 157             CleanupEntrypointMutexes();
 158
 159             SND_TRACE(L"Unfreed memory blocks: %d\n",
 160                       GetMemoryAllocationCount());
 161
 162             return 1L;
 163         }
 164
 165         case DRV_ENABLE :
 166         case DRV_DISABLE :
 167         {
 168             SND_TRACE(L"DRV_ENABLE / DRV_DISABLE\n");
 169             return 1L;
 170         }
 171
 172         case DRV_OPEN :
 173         case DRV_CLOSE :
 174         {
 175             SND_TRACE(L"DRV_OPEN / DRV_CLOSE\n");
 176             return 1L;
 177         }
 178
 179         case DRV_QUERYCONFIGURE :
 180         {
 181             SND_TRACE(L"DRV_QUERYCONFIGURE\n");
 182             return 0L;
 183         }
 184         case DRV_CONFIGURE :
 185             return DRVCNF_OK;
 186
 187         default :
 188             SND_TRACE(L"Unhandled message %d\n", Message);
 189             return DefDriverProc(DriverId,
 190                                  DriverHandle,
 191                                  Message,
 192                                  Parameter1,
 193                                  Parameter2);
 194     }
 195 }
 196
 197
 198 BOOL WINAPI DllMain(
 199     HINSTANCE hinstDLL,
 200     DWORD fdwReason,
 201     LPVOID lpvReserved)
 202 {
 203     switch ( fdwReason )
 204     {
 205         case DLL_PROCESS_ATTACH :
 206             SND_TRACE(L"WDMAUD.DRV - Process attached\n");
 207             break;
 208         case DLL_PROCESS_DETACH :
 209             SND_TRACE(L"WDMAUD.DRV - Process detached\n");
 210             break;
 211         case DLL_THREAD_ATTACH :
 212             SND_TRACE(L"WDMAUD.DRV - Thread attached\n");
 213             break;
 214         case DLL_THREAD_DETACH :
 215             SND_TRACE(L"WDMAUD.DRV - Thread detached\n");
 216             break;
 217     }
 218
 219     return TRUE;
 220 }