Sweden-Number/dlls/winmm/winealsa/alsa.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Wine Driver for ALSA
*
* Copyright 2002 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "mmddk.h"
#include "alsa.h"
#ifdef HAVE_ALSA
static struct WINE_ALSA* alsa = NULL;
/**************************************************************************
* ALSA_drvOpen [internal]
*/
static DWORD ALSA_drvOpen(LPSTR str)
{
if (alsa)
return 0;
/* I know, this is ugly, but who cares... */
alsa = (struct WINE_ALSA*)1;
return 1;
}
/**************************************************************************
* ALSA_drvClose [internal]
*/
static DWORD ALSA_drvClose(DWORD dwDevID)
{
if (alsa) {
alsa = NULL;
return 1;
}
return 0;
}
#endif
/**************************************************************************
* DriverProc (WINEALSA.@)
*/
LONG CALLBACK ALSA_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
switch(wMsg) {
#ifdef HAVE_ALSA
case DRV_LOAD: ALSA_WaveInit();
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ALSA_MidiInit();
return 1;
case DRV_FREE: return 1;
case DRV_OPEN: return ALSA_drvOpen((LPSTR)dwParam1);
case DRV_CLOSE: return ALSA_drvClose(dwDevID);
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBoxA(0, "ALSA MultiMedia Driver !", "ALSA Driver", MB_OK); return 1;
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
#endif
default:
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
}