179 lines
4.7 KiB
C
179 lines
4.7 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* Wine Driver for jack Sound Server
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* http://jackit.sourceforge.net
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*
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* Copyright 2002 Chris Morgan
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "wine/library.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "mmddk.h"
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#include "jack.h"
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#ifdef HAVE_JACK_JACK_H
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static int jack = 0;
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/* set this to zero or one to enable or disable tracing in here */
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#define TRACING 0
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#if TRACING
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#define PRINTF(...) printf(...)
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#else
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#define PRINTF(...)
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#endif
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#ifndef JACK_SONAME
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#define JACK_SONAME "libjack.so"
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#endif
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void *jackhandle = NULL;
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/**************************************************************************
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* JACK_drvLoad [internal]
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*/
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static DWORD JACK_drvLoad(void)
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{
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PRINTF("JACK_drvLoad()\n");
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/* dynamically load the jack library if not already loaded */
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if(!jackhandle)
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{
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jackhandle = wine_dlopen(JACK_SONAME, RTLD_NOW, NULL, 0);
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PRINTF("JACK_drvLoad: JACK_SONAME == %s\n", JACK_SONAME);
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PRINTF("JACK_drvLoad: jackhandle == 0x%x\n", jackhandle);
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if(!jackhandle)
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{
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PRINTF("JACK_drvLoad: error loading the jack library %s, please install this library to use jack\n", JACK_SONAME);
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jackhandle = (void*)-1;
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return 0;
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}
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}
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return 1;
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}
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/**************************************************************************
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* JACK_drvFree [internal]
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*/
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/* unload the jack library on driver free */
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static DWORD JACK_drvFree(void)
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{
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PRINTF("JACK_drvFree()\n");
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if(jackhandle && (jackhandle != (void*)-1))
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{
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PRINTF("JACK_drvFree: calling wine_dlclose() on jackhandle\n");
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wine_dlclose(jackhandle, NULL, 0);
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jackhandle = NULL;
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}
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return 1;
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}
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/**************************************************************************
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* JACK_drvOpen [internal]
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*/
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static DWORD JACK_drvOpen(LPSTR str)
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{
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/* if we were unable to load the jack library then fail the */
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/* driver open */
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if(!jackhandle)
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{
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PRINTF("JACK_drvOpen: unable to open the jack library, returning 0\n");
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return 0;
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}
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if (jack)
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{
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PRINTF("JACK_drvOpen: jack != 0 (already open), returning 0\n");
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return 0;
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}
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/* I know, this is ugly, but who cares... */
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PRINTF("JACK_drvOpen: opened jack(set jack = 1), returning 1\n");
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jack = 1;
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return 1;
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}
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/**************************************************************************
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* JACK_drvClose [internal]
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*/
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static DWORD JACK_drvClose(DWORD dwDevID)
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{
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if (jack)
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{
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PRINTF("JACK_drvClose: jack is nonzero, setting jack to 0 and returning 1\n");
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jack = 0;
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return 1;
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}
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PRINTF("JACK_drvClose: jack is zero(closed), returning 0\n");
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return 0;
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}
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#endif /* #ifdef HAVE_JACK_JACK_H */
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/**************************************************************************
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* DriverProc (WINEJACK.1)
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*/
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LONG CALLBACK JACK_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
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DWORD dwParam1, DWORD dwParam2)
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{
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/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
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/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
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switch(wMsg) {
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#ifdef HAVE_JACK_JACK_H
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case DRV_LOAD:
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PRINTF("JACK_DriverProc: DRV_LOAD\n");
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return JACK_drvLoad();
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case DRV_FREE:
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PRINTF("JACK_DriverProc: DRV_FREE\n");
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return JACK_drvFree();
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case DRV_OPEN:
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PRINTF("JACK_DriverProc: DRV_OPEN\n");
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return JACK_drvOpen((LPSTR)dwParam1);
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case DRV_CLOSE:
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PRINTF("JACK_DriverProc: DRV_CLOSE\n");
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return JACK_drvClose(dwDevID);
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case DRV_ENABLE:
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PRINTF("JACK_DriverProc: DRV_ENABLE\n");
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return 1;
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case DRV_DISABLE:
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PRINTF("JACK_DriverProc: DRV_DISABLE\n");
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return 1;
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case DRV_QUERYCONFIGURE: return 1;
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case DRV_CONFIGURE: MessageBoxA(0, "jack audio driver!", "jack driver", MB_OK); return 1;
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case DRV_INSTALL:
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PRINTF("JACK_DriverProc: DRV_INSTALL\n");
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return DRVCNF_RESTART;
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case DRV_REMOVE:
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PRINTF("JACK_DriverProc: DRV_REMOVE\n");
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return DRVCNF_RESTART;
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#endif
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default:
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return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
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}
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}
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