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 SONAME_LIBJACK
  41
  42 void *jackhandle = NULL;
  43
  44 /**************************************************************************
  45  *                              JACK_drvLoad                    [internal]
  46  */
  47 static LRESULT JACK_drvLoad(void)
  48 {
  49   TRACE("()\n");
  50
  51   /* dynamically load the jack library if not already loaded */
  52   if(!jackhandle)
  53   {
  54     jackhandle = wine_dlopen(SONAME_LIBJACK, RTLD_NOW, NULL, 0);
  55     TRACE("SONAME_LIBJACK == %s\n", SONAME_LIBJACK);
  56     TRACE("jackhandle == %p\n", jackhandle);
  57     if(!jackhandle)
  58     {
  59       FIXME("error loading the jack library %s, please install this library to use jack\n", SONAME_LIBJACK);
  60       jackhandle = (void*)-1;
  61       return 0;
  62     }
  63   }
  64
  65   return JACK_WaveInit();
  66 }
  67
  68 /**************************************************************************
  69  *                              JACK_drvFree                    [internal]
  70  */
  71 /* unload the jack library on driver free */
  72 static LRESULT JACK_drvFree(void)
  73 {
  74   TRACE("()\n");
  75
  76   if(jackhandle && (jackhandle != (void*)-1))
  77   {
  78     JACK_WaveRelease();
  79
  80     TRACE("calling wine_dlclose() on jackhandle\n");
  81     wine_dlclose(jackhandle, NULL, 0);
  82     jackhandle = NULL;
  83   }
  84
  85   return 1;
  86 }
  87
  88 /**************************************************************************
  89  *                              JACK_drvOpen                    [internal]
  90  */
  91 static LRESULT JACK_drvOpen(LPSTR str)
  92 {
  93   TRACE("(%s)\n", str);
  94   /* if we were unable to load the jack library then fail the */
  95   /* driver open */
  96   if(!jackhandle)
  97   {
  98     FIXME("unable to open the jack library, returning 0\n");
  99     return 0;
 100   }
 101
 102   return 1;
 103 }
 104
 105 /**************************************************************************
 106  *                              JACK_drvClose                   [internal]
 107  */
 108 static LRESULT JACK_drvClose(DWORD_PTR dwDevID)
 109 {
 110   TRACE("(%08lx)\n", dwDevID);
 111   return 1;
 112 }
 113 #endif /* #ifdef SONAME_LIBJACK */
 114
 115
 116 /**************************************************************************
 117  *                              DriverProc (WINEJACK.1)
 118  */
 119 LRESULT CALLBACK JACK_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
 120                                  LPARAM dwParam1, LPARAM dwParam2)
 121 {
 122      TRACE("(%08lX, %p, %s (%08X), %08lX, %08lX)\n",
 123            dwDevID, hDriv, wMsg == DRV_LOAD ? "DRV_LOAD" :
 124            wMsg == DRV_FREE ? "DRV_FREE" :
 125            wMsg == DRV_OPEN ? "DRV_OPEN" :
 126            wMsg == DRV_CLOSE ? "DRV_CLOSE" :
 127            wMsg == DRV_ENABLE ? "DRV_ENABLE" :
 128            wMsg == DRV_DISABLE ? "DRV_DISABLE" :
 129            wMsg == DRV_QUERYCONFIGURE ? "DRV_QUERYCONFIGURE" :
 130            wMsg == DRV_CONFIGURE ? "DRV_CONFIGURE" :
 131            wMsg == DRV_INSTALL ? "DRV_INSTALL" :
 132            wMsg == DRV_REMOVE ? "DRV_REMOVE" : "UNKNOWN",
 133            wMsg, dwParam1, dwParam2);
 134
 135     switch(wMsg) {
 136 #ifdef SONAME_LIBJACK
 137     case DRV_LOAD:              return JACK_drvLoad();
 138     case DRV_FREE:              return JACK_drvFree();
 139     case DRV_OPEN:              return JACK_drvOpen((LPSTR)dwParam1);
 140     case DRV_CLOSE:             return JACK_drvClose(dwDevID);
 141     case DRV_ENABLE:            return 1;
 142     case DRV_DISABLE:           return 1;
 143     case DRV_QUERYCONFIGURE:    return 1;
 144     case DRV_CONFIGURE:         MessageBoxA(0, "jack audio driver!", "jack driver", MB_OK);     return 1;
 145     case DRV_INSTALL:           return DRVCNF_RESTART;
 146     case DRV_REMOVE:            return DRVCNF_RESTART;
 147 #endif
 148     default:
 149         return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
 150     }
 151 }