reactos/dll/win32/mmdrv/mme.c
Hermès Bélusca-Maïto 65ce146169 Create a branch for working on csrss and co.
svn path=/branches/ros-csrss/; revision=57561
2012-10-14 13:04:31 +00:00

144 lines
4.1 KiB
C

/*
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Multimedia
* FILE: dll/win32/mmdrv/mme.c
* PURPOSE: Multimedia User Mode Driver (MME Interface)
* PROGRAMMER: Andrew Greenwood
* Aleksey Bragin
* UPDATE HISTORY:
* Jan 14, 2007: Rewritten and tidied up
*/
#include <mmdrv.h>
/*
Sends a message to the client (application), such as WOM_DONE. This
is just a wrapper around DriverCallback which translates the
parameters appropriately.
*/
BOOL
NotifyClient(
SessionInfo* session_info,
DWORD message,
DWORD_PTR parameter1,
DWORD_PTR parameter2)
{
return DriverCallback(session_info->callback,
HIWORD(session_info->flags),
session_info->mme_handle,
message,
session_info->app_user_data,
parameter1,
parameter2);
}
/*
MME Driver Entrypoint
Wave Output
*/
DWORD APIENTRY
wodMessage(
UINT device_id,
UINT message,
DWORD_PTR private_handle,
DWORD_PTR parameter1,
DWORD_PTR parameter2)
{
switch ( message )
{
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p80.htm */
case WODM_GETNUMDEVS :
DPRINT("WODM_GETNUMDEVS\n");
return GetDeviceCount(WaveOutDevice);
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6h.htm */
case WODM_GETDEVCAPS :
DPRINT("WODM_GETDEVCAPS\n");
return GetDeviceCapabilities(WaveOutDevice,
device_id,
parameter1,
parameter2);
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p85.htm */
case WODM_OPEN :
{
WAVEOPENDESC* open_desc = (WAVEOPENDESC*) parameter1;
DPRINT("WODM_OPEN\n");
if ( parameter2 && WAVE_FORMAT_QUERY )
return QueryWaveFormat(WaveOutDevice, open_desc->lpFormat);
else
return OpenDevice(WaveOutDevice,
device_id,
open_desc,
parameter2,
private_handle);
}
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6g.htm */
case WODM_CLOSE :
{
DPRINT("WODM_CLOSE\n");
return CloseDevice(private_handle);
}
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p9w.htm */
case WODM_WRITE :
{
DPRINT("WODM_WRITE\n");
return WriteWaveBuffer(private_handle,
(PWAVEHDR) parameter1,
parameter2);
}
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p86.htm */
case WODM_PAUSE :
{
DPRINT("WODM_PAUSE\n");
return HandleBySessionThread(private_handle, message, 0);
}
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p89.htm */
case WODM_RESTART :
{
DPRINT("WODM_RESTART\n");
return HandleBySessionThread(private_handle, message, 0);
}
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p88.htm */
case WODM_RESET :
{
DPRINT("WODM_RESET\n");
return HandleBySessionThread(private_handle, message, 0);
}
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p83.htm */
#if 0
case WODM_GETPOS :
{
DPRINT("WODM_GETPOS\n");
return GetPosition(private_handle,
(PMMTIME) parameter1,
parameter2);
}
#endif
/* http://www.osronline.com/ddkx/w98ddk/mmedia_4p6f.htm */
case WODM_BREAKLOOP :
{
DPRINT("WODM_BREAKLOOP\n");
return HandleBySessionThread(private_handle, message, 0);
}
/* TODO: Others */
}
DPRINT("Unsupported message\n");
return MMSYSERR_NOTSUPPORTED;
}