reactos/dll/win32/mmdrv/mme.c

   1 /*
   2  *
   3  * COPYRIGHT:            See COPYING in the top level directory
   4  * PROJECT:              ReactOS Multimedia
   5  * FILE:                 dll/win32/mmdrv/mme.c
   6  * PURPOSE:              Multimedia User Mode Driver (MME Interface)
   7  * PROGRAMMER:           Andrew Greenwood
   8  *                       Aleksey Bragin
   9  * UPDATE HISTORY:
  10  *                       Jan 14, 2007: Rewritten and tidied up
  11  */
  12
  13 #include <mmdrv.h>
  14
  15 /*
  16     Sends a message to the client (application), such as WOM_DONE. This
  17     is just a wrapper around DriverCallback which translates the
  18     parameters appropriately.
  19 */
  20
  21 BOOL
  22 NotifyClient(
  23     SessionInfo* session_info,
  24     DWORD message,
  25     DWORD_PTR parameter1,
  26     DWORD_PTR parameter2)
  27 {
  28     return DriverCallback(session_info->callback,
  29                           HIWORD(session_info->flags),
  30                           session_info->mme_handle,
  31                           message,
  32                           session_info->app_user_data,
  33                           parameter1,
  34                           parameter2);
  35 }
  36
  37
  38
  39 /*
  40     MME Driver Entrypoint
  41     Wave Output
  42 */
  43
  44 DWORD APIENTRY
  45 wodMessage(
  46     UINT device_id,
  47     UINT message,
  48     DWORD_PTR private_handle,
  49     DWORD_PTR parameter1,
  50     DWORD_PTR parameter2)
  51 {
  52     switch ( message )
  53     {
  54         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p80.htm */
  55         case WODM_GETNUMDEVS :
  56             DPRINT("WODM_GETNUMDEVS\n");
  57             return GetDeviceCount(WaveOutDevice);
  58
  59         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6h.htm */
  60         case WODM_GETDEVCAPS :
  61             DPRINT("WODM_GETDEVCAPS\n");
  62             return GetDeviceCapabilities(WaveOutDevice,
  63                                          device_id,
  64                                          parameter1,
  65                                          parameter2);
  66
  67         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p85.htm */
  68         case WODM_OPEN :
  69         {
  70             WAVEOPENDESC* open_desc = (WAVEOPENDESC*) parameter1;
  71             DPRINT("WODM_OPEN\n");
  72
  73             if ( parameter2 && WAVE_FORMAT_QUERY )
  74                 return QueryWaveFormat(WaveOutDevice, open_desc->lpFormat);
  75             else
  76                 return OpenDevice(WaveOutDevice,
  77                                   device_id,
  78                                   open_desc,
  79                                   parameter2,
  80                                   private_handle);
  81         }
  82
  83         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6g.htm */
  84         case WODM_CLOSE :
  85         {
  86             DPRINT("WODM_CLOSE\n");
  87             return CloseDevice(private_handle);
  88         }
  89
  90         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p9w.htm */
  91         case WODM_WRITE :
  92         {
  93             DPRINT("WODM_WRITE\n");
  94             return WriteWaveBuffer(private_handle,
  95                                    (PWAVEHDR) parameter1,
  96                                    parameter2);
  97         }
  98
  99         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p86.htm */
 100         case WODM_PAUSE :
 101         {
 102             DPRINT("WODM_PAUSE\n");
 103             return HandleBySessionThread(private_handle, message, 0);
 104         }
 105
 106         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p89.htm */
 107         case WODM_RESTART :
 108         {
 109             DPRINT("WODM_RESTART\n");
 110             return HandleBySessionThread(private_handle, message, 0);
 111         }
 112
 113         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p88.htm */
 114         case WODM_RESET :
 115         {
 116             DPRINT("WODM_RESET\n");
 117             return HandleBySessionThread(private_handle, message, 0);
 118         }
 119
 120         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p83.htm */
 121 #if 0
 122         case WODM_GETPOS :
 123         {
 124             DPRINT("WODM_GETPOS\n");
 125             return GetPosition(private_handle,
 126                                (PMMTIME) parameter1,
 127                                parameter2);
 128         }
 129 #endif
 130
 131         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6f.htm */
 132         case WODM_BREAKLOOP :
 133         {
 134             DPRINT("WODM_BREAKLOOP\n");
 135             return HandleBySessionThread(private_handle, message, 0);
 136         }
 137
 138         /* TODO: Others */
 139     }
 140
 141     DPRINT("Unsupported message\n");
 142     return MMSYSERR_NOTSUPPORTED;
 143 }