dlls/winejack.drv/jack.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Wine Driver for jack Sound Server
   4  *   http://jackit.sourceforge.net
   5  *
   6  * Copyright 2002 Chris Morgan
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "wingdi.h"
  32 #include "winuser.h"
  33 #include "mmddk.h"
  34 #include "jack.h"
  35 #include "wine/library.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(jack);
  39
  40 #ifdef HAVE_JACK_JACK_H
  41
  42 #ifndef SONAME_LIBJACK
  43 #define SONAME_LIBJACK "libjack.so"
  44 #endif
  45
  46 void *jackhandle = NULL;
  47
  48 /**************************************************************************
  49  *                              JACK_drvLoad                    [internal]
  50  */
  51 static LRESULT JACK_drvLoad(void)
  52 {
  53   TRACE("()\n");
  54
  55   /* dynamically load the jack library if not already loaded */
  56   if(!jackhandle)
  57   {
  58     jackhandle = wine_dlopen(SONAME_LIBJACK, RTLD_NOW, NULL, 0);
  59     TRACE("SONAME_LIBJACK == %s\n", SONAME_LIBJACK);
  60     TRACE("jackhandle == %p\n", jackhandle);
  61     if(!jackhandle)
  62     {
  63       FIXME("error loading the jack library %s, please install this library to use jack\n", SONAME_LIBJACK);
  64       jackhandle = (void*)-1;
  65       return 0;
  66     }
  67   }
  68
  69   return JACK_WaveInit();
  70 }
  71
  72 /**************************************************************************
  73  *                              JACK_drvFree                    [internal]
  74  */
  75 /* unload the jack library on driver free */
  76 static LRESULT JACK_drvFree(void)
  77 {
  78   TRACE("()\n");
  79
  80   if(jackhandle && (jackhandle != (void*)-1))
  81   {
  82     JACK_WaveRelease();
  83
  84     TRACE("calling wine_dlclose() on jackhandle\n");
  85     wine_dlclose(jackhandle, NULL, 0);
  86     jackhandle = NULL;
  87   }
  88
  89   return 1;
  90 }
  91
  92 /**************************************************************************
  93  *                              JACK_drvOpen                    [internal]
  94  */
  95 static LRESULT JACK_drvOpen(LPSTR str)
  96 {
  97   TRACE("(%s)\n", str);
  98   /* if we were unable to load the jack library then fail the */
  99   /* driver open */
 100   if(!jackhandle)
 101   {
 102     FIXME("unable to open the jack library, returning 0\n");
 103     return 0;
 104   }
 105
 106   return 1;
 107 }
 108
 109 /**************************************************************************
 110  *                              JACK_drvClose                   [internal]
 111  */
 112 static LRESULT JACK_drvClose(DWORD_PTR dwDevID)
 113 {
 114   TRACE("(%08lx)\n", dwDevID);
 115   return 1;
 116 }
 117 #endif /* #ifdef HAVE_JACK_JACK_H */
 118
 119
 120 /**************************************************************************
 121  *                              DriverProc (WINEJACK.1)
 122  */
 123 LRESULT CALLBACK JACK_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
 124                                  LPARAM dwParam1, LPARAM dwParam2)
 125 {
 126      TRACE("(%08lX, %p, %s (%08X), %08lX, %08lX)\n",
 127            dwDevID, hDriv, wMsg == DRV_LOAD ? "DRV_LOAD" :
 128            wMsg == DRV_FREE ? "DRV_FREE" :
 129            wMsg == DRV_OPEN ? "DRV_OPEN" :
 130            wMsg == DRV_CLOSE ? "DRV_CLOSE" :
 131            wMsg == DRV_ENABLE ? "DRV_ENABLE" :
 132            wMsg == DRV_DISABLE ? "DRV_DISABLE" :
 133            wMsg == DRV_QUERYCONFIGURE ? "DRV_QUERYCONFIGURE" :
 134            wMsg == DRV_CONFIGURE ? "DRV_CONFIGURE" :
 135            wMsg == DRV_INSTALL ? "DRV_INSTALL" :
 136            wMsg == DRV_REMOVE ? "DRV_REMOVE" : "UNKNOWN",
 137            wMsg, dwParam1, dwParam2);
 138
 139     switch(wMsg) {
 140 #ifdef HAVE_JACK_JACK_H
 141     case DRV_LOAD:              return JACK_drvLoad();
 142     case DRV_FREE:              return JACK_drvFree();
 143     case DRV_OPEN:              return JACK_drvOpen((LPSTR)dwParam1);
 144     case DRV_CLOSE:             return JACK_drvClose(dwDevID);
 145     case DRV_ENABLE:            return 1;
 146     case DRV_DISABLE:           return 1;
 147     case DRV_QUERYCONFIGURE:    return 1;
 148     case DRV_CONFIGURE:         MessageBoxA(0, "jack audio driver!", "jack driver", MB_OK);     return 1;
 149     case DRV_INSTALL:           return DRVCNF_RESTART;
 150     case DRV_REMOVE:            return DRVCNF_RESTART;
 151 #endif
 152     default:
 153         return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
 154     }
 155 }