reactos/lib/drivers/sound/mmebuddy/mixer/mxdMessage.c

   1 /*
   2  * PROJECT:     ReactOS Sound System "MME Buddy" Library
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        lib/sound/mmebuddy/mixer/mxdMessage.c
   5  *
   6  * PURPOSE:     Provides the mxdMessage exported function, as required by
   7  *              the MME API, for mixer device support.
   8  *
   9  * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
  10 */
  11
  12 #include <windows.h>
  13 #include <mmsystem.h>
  14 #include <mmddk.h>
  15
  16 #include <ntddsnd.h>
  17 #include <sndtypes.h>
  18
  19 #include <mmebuddy.h>
  20
  21 /*
  22     Standard MME driver entry-point for messages relating to mixers.
  23 */
  24 DWORD
  25 APIENTRY
  26 mxdMessage(
  27     DWORD DeviceId,
  28     DWORD Message,
  29     DWORD PrivateHandle,
  30     DWORD Parameter1,
  31     DWORD Parameter2)
  32 {
  33     MMRESULT Result = MMSYSERR_NOTSUPPORTED;
  34
  35     AcquireEntrypointMutex(MIXER_DEVICE_TYPE);
  36
  37     SND_TRACE(L"mxdMessage - Message type %d\n", Message);
  38
  39     switch ( Message )
  40     {
  41         case MXDM_GETNUMDEVS :
  42         {
  43             Result = GetSoundDeviceCount(MIXER_DEVICE_TYPE);
  44             break;
  45         }
  46
  47         case MXDM_GETDEVCAPS :
  48         {
  49             Result = MmeGetSoundDeviceCapabilities(MIXER_DEVICE_TYPE,
  50                                                    DeviceId,
  51                                                    (PVOID) Parameter1,
  52                                                    Parameter2);
  53             break;
  54         }
  55
  56         case MXDM_INIT :
  57         {
  58             break;
  59         }
  60
  61         case MXDM_OPEN :
  62         {
  63             break;
  64         }
  65
  66         case MXDM_CLOSE :
  67         {
  68             break;
  69         }
  70
  71         case MXDM_GETCONTROLDETAILS :
  72         {
  73             break;
  74         }
  75
  76         case MXDM_SETCONTROLDETAILS :
  77         {
  78             break;
  79         }
  80
  81         case MXDM_GETLINECONTROLS :
  82         {
  83             break;
  84         }
  85
  86         case MXDM_GETLINEINFO :
  87         {
  88             break;
  89         }
  90     }
  91
  92     SND_TRACE(L"mxdMessage returning MMRESULT %d\n", Result);
  93
  94     ReleaseEntrypointMutex(MIXER_DEVICE_TYPE);
  95
  96     return Result;
  97 }