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 MMRESULT
  18 QueryWdmWaveDeviceFormatSupport(
  19     IN  PSOUND_DEVICE Device,
  20     IN  PWAVEFORMATEX WaveFormat,
  21     IN  DWORD WaveFormatSize)
  22 {
  23     /* Whatever... */
  24     return MMSYSERR_NOERROR;
  25 }
  26
  27 MMRESULT
  28 PopulateWdmDeviceList(
  29     MMDEVICE_TYPE DeviceType)
  30 {
  31     MMRESULT Result;
  32     DWORD DeviceCount = 0;
  33     PSOUND_DEVICE SoundDevice = NULL;
  34     MMFUNCTION_TABLE FuncTable;
  35     DWORD i;
  36
  37     VALIDATE_MMSYS_PARAMETER( IS_VALID_SOUND_DEVICE_TYPE(DeviceType) );
  38
  39     Result = WdmAudGetNumWdmDevsByMMixer(DeviceType, &DeviceCount);
  40
  41     if ( ! MMSUCCESS(Result) )
  42     {
  43         SND_ERR(L"Error %d while obtaining number of devices\n", Result);
  44         return TranslateInternalMmResult(Result);
  45     }
  46
  47     //SND_TRACE(L"%d devices of type %d found\n", DeviceCount, DeviceType);
  48
  49
  50     for ( i = 0; i < DeviceCount; ++ i )
  51     {
  52         Result = ListSoundDevice(DeviceType, UlongToPtr(i), &SoundDevice);
  53
  54         if ( ! MMSUCCESS(Result) )
  55         {
  56             SND_ERR(L"Failed to list sound device - error %d\n", Result);
  57             return TranslateInternalMmResult(Result);
  58         }
  59
  60         /* Set up our function table */
  61         ZeroMemory(&FuncTable, sizeof(MMFUNCTION_TABLE));
  62         FuncTable.GetCapabilities = WdmAudGetCapabilitiesByMMixer;
  63         FuncTable.QueryWaveFormatSupport = QueryWdmWaveDeviceFormatSupport; //FIXME
  64         FuncTable.Open = WdmAudOpenSoundDeviceByMMixer;
  65         FuncTable.Close = WdmAudCloseSoundDeviceByMMixer;
  66         FuncTable.GetDeviceInterfaceString = WdmAudGetDeviceInterfaceStringByMMixer;
  67
  68         if (DeviceType == MIXER_DEVICE_TYPE)
  69         {
  70             FuncTable.SetWaveFormat = WdmAudSetMixerDeviceFormatByMMixer;
  71             FuncTable.QueryMixerInfo = WdmAudQueryMixerInfoByMMixer;
  72         }
  73         else if (DeviceType == WAVE_IN_DEVICE_TYPE || DeviceType == WAVE_OUT_DEVICE_TYPE)
  74         {
  75             FuncTable.SetWaveFormat = WdmAudSetWaveDeviceFormatByMMixer;
  76             FuncTable.SetState = WdmAudSetWaveStateByMMixer;
  77             FuncTable.ResetStream = WdmAudResetStreamByMMixer;
  78             FuncTable.GetPos = WdmAudGetWavePositionByMMixer;
  79
  80 #ifndef USERMODE_MIXER
  81             FuncTable.CommitWaveBuffer = WdmAudCommitWaveBufferByMMixer;
  82 #else
  83             FuncTable.CommitWaveBuffer = WriteFileEx_Remixer;
  84 #endif
  85         }
  86         else if (DeviceType == MIDI_IN_DEVICE_TYPE || DeviceType == MIDI_OUT_DEVICE_TYPE)
  87         {
  88             FuncTable.SetWaveFormat = WdmAudSetWaveDeviceFormatByMMixer;
  89             FuncTable.SetState = WdmAudSetWaveStateByMMixer;
  90             FuncTable.GetPos = WdmAudGetWavePositionByMMixer;
  91         }
  92
  93         SetSoundDeviceFunctionTable(SoundDevice, &FuncTable);
  94     }
  95
  96     return MMSYSERR_NOERROR;
  97 }
  98
  99
 100
 101 LONG
 102 APIENTRY
 103 DriverProc(
 104     DWORD DriverId,
 105     HANDLE DriverHandle,
 106     UINT Message,
 107     LONG Parameter1,
 108     LONG Parameter2)
 109 {
 110     switch ( Message )
 111     {
 112         case DRV_LOAD :
 113         {
 114             MMRESULT Result;
 115             //SND_TRACE(L"DRV_LOAD\n");
 116
 117             Result = InitEntrypointMutexes();
 118
 119             if ( ! MMSUCCESS(Result) )
 120                 return 0L;
 121
 122             Result = WdmAudOpenSoundDeviceByMMixer();
 123
 124             if ( Result != MMSYSERR_NOERROR )
 125             {
 126                 SND_ERR(L"Failed to initialize MMixer Library");
 127                 //UnlistAllSoundDevices();
 128
 129                 return 0L;
 130             }
 131
 132             /* Populate the device lists */
 133             //SND_TRACE(L"Populating device lists\n");
 134             PopulateWdmDeviceList(WAVE_OUT_DEVICE_TYPE);
 135             PopulateWdmDeviceList(WAVE_IN_DEVICE_TYPE);
 136             PopulateWdmDeviceList(MIDI_OUT_DEVICE_TYPE);
 137             PopulateWdmDeviceList(MIDI_IN_DEVICE_TYPE);
 138             PopulateWdmDeviceList(AUX_DEVICE_TYPE);
 139             PopulateWdmDeviceList(MIXER_DEVICE_TYPE);
 140
 141             //SND_TRACE(L"Initialisation complete\n");
 142
 143             return 1L;
 144         }
 145
 146         case DRV_FREE :
 147         {
 148             SND_TRACE(L"DRV_FREE\n");
 149
 150             WdmAudCleanupByMMixer();
 151
 152             /* TODO: Clean up the path names! */
 153             UnlistAllSoundDevices();
 154
 155             CleanupEntrypointMutexes();
 156
 157             SND_TRACE(L"Unfreed memory blocks: %d\n",
 158                       GetMemoryAllocationCount());
 159
 160             return 1L;
 161         }
 162
 163         case DRV_ENABLE :
 164         case DRV_DISABLE :
 165         {
 166             //SND_TRACE(L"DRV_ENABLE / DRV_DISABLE\n");
 167             return 1L;
 168         }
 169
 170         case DRV_OPEN :
 171         case DRV_CLOSE :
 172         {
 173             //SND_TRACE(L"DRV_OPEN / DRV_CLOSE\n");
 174             return 1L;
 175         }
 176
 177         case DRV_QUERYCONFIGURE :
 178         {
 179             SND_TRACE(L"DRV_QUERYCONFIGURE\n");
 180             return 0L;
 181         }
 182         case DRV_CONFIGURE :
 183             return DRVCNF_OK;
 184
 185         default :
 186             SND_TRACE(L"Unhandled message %d\n", Message);
 187             return DefDriverProc(DriverId,
 188                                  DriverHandle,
 189                                  Message,
 190                                  Parameter1,
 191                                  Parameter2);
 192     }
 193 }
 194
 195
 196 BOOL WINAPI DllMain(
 197     HINSTANCE hinstDLL,
 198     DWORD fdwReason,
 199     LPVOID lpvReserved)
 200 {
 201     switch ( fdwReason )
 202     {
 203         case DLL_PROCESS_ATTACH :
 204             SND_TRACE(L"WDMAUD.DRV - Process attached\n");
 205             break;
 206         case DLL_PROCESS_DETACH :
 207             SND_TRACE(L"WDMAUD.DRV - Process detached\n");
 208             break;
 209         case DLL_THREAD_ATTACH :
 210             SND_TRACE(L"WDMAUD.DRV - Thread attached\n");
 211             break;
 212         case DLL_THREAD_DETACH :
 213             SND_TRACE(L"WDMAUD.DRV - Thread detached\n");
 214             break;
 215     }
 216
 217     return TRUE;
 218 }