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 #define NDEBUG
  16 #include <debug.h>
  17
  18 /*
  19     Sends a message to the client (application), such as WOM_DONE. This
  20     is just a wrapper around DriverCallback which translates the
  21     parameters appropriately.
  22 */
  23
  24 BOOL
  25 NotifyClient(
  26     SessionInfo* session_info,
  27     DWORD message,
  28     DWORD_PTR parameter1,
  29     DWORD_PTR parameter2)
  30 {
  31     return DriverCallback(session_info->callback,
  32                           HIWORD(session_info->flags),
  33                           session_info->mme_handle,
  34                           message,
  35                           session_info->app_user_data,
  36                           parameter1,
  37                           parameter2);
  38 }
  39
  40
  41
  42 /*
  43     MME Driver Entrypoint
  44     Wave Output
  45 */
  46
  47 DWORD APIENTRY
  48 wodMessage(
  49     UINT device_id,
  50     UINT message,
  51     DWORD_PTR private_handle,
  52     DWORD_PTR parameter1,
  53     DWORD_PTR parameter2)
  54 {
  55     switch ( message )
  56     {
  57         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p80.htm */
  58         case WODM_GETNUMDEVS :
  59             DPRINT("WODM_GETNUMDEVS\n");
  60             return GetDeviceCount(WaveOutDevice);
  61
  62         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6h.htm */
  63         case WODM_GETDEVCAPS :
  64             DPRINT("WODM_GETDEVCAPS\n");
  65             return GetDeviceCapabilities(WaveOutDevice,
  66                                          device_id,
  67                                          parameter1,
  68                                          parameter2);
  69
  70         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p85.htm */
  71         case WODM_OPEN :
  72         {
  73             WAVEOPENDESC* open_desc = (WAVEOPENDESC*) parameter1;
  74             DPRINT("WODM_OPEN\n");
  75
  76             if ( parameter2 && WAVE_FORMAT_QUERY )
  77                 return QueryWaveFormat(WaveOutDevice, open_desc->lpFormat);
  78             else
  79                 return OpenDevice(WaveOutDevice,
  80                                   device_id,
  81                                   open_desc,
  82                                   parameter2,
  83                                   private_handle);
  84         }
  85
  86         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6g.htm */
  87         case WODM_CLOSE :
  88         {
  89             DPRINT("WODM_CLOSE\n");
  90             return CloseDevice(private_handle);
  91         }
  92
  93         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p9w.htm */
  94         case WODM_WRITE :
  95         {
  96             DPRINT("WODM_WRITE\n");
  97             return WriteWaveBuffer(private_handle,
  98                                    (PWAVEHDR) parameter1,
  99                                    parameter2);
 100         }
 101
 102         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p86.htm */
 103         case WODM_PAUSE :
 104         {
 105             DPRINT("WODM_PAUSE\n");
 106             return HandleBySessionThread(private_handle, message, 0);
 107         }
 108
 109         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p89.htm */
 110         case WODM_RESTART :
 111         {
 112             DPRINT("WODM_RESTART\n");
 113             return HandleBySessionThread(private_handle, message, 0);
 114         }
 115
 116         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p88.htm */
 117         case WODM_RESET :
 118         {
 119             DPRINT("WODM_RESET\n");
 120             return HandleBySessionThread(private_handle, message, 0);
 121         }
 122
 123         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p83.htm */
 124 #if 0
 125         case WODM_GETPOS :
 126         {
 127             DPRINT("WODM_GETPOS\n");
 128             return GetPosition(private_handle,
 129                                (PMMTIME) parameter1,
 130                                parameter2);
 131         }
 132 #endif
 133
 134         /* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6f.htm */
 135         case WODM_BREAKLOOP :
 136         {
 137             DPRINT("WODM_BREAKLOOP\n");
 138             return HandleBySessionThread(private_handle, message, 0);
 139         }
 140
 141         /* TODO: Others */
 142     }
 143
 144     DPRINT("Unsupported message\n");
 145     return MMSYSERR_NOTSUPPORTED;
 146 }