dlls/winmm/wineoss/mmaux.c

   1 /*
   2  * Sample AUXILIARY Wine Driver
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #include <fcntl.h>
  31 #ifdef HAVE_SYS_IOCTL_H
  32 # include <sys/ioctl.h>
  33 #endif
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "mmddk.h"
  38 #include "oss.h"
  39 #include "wine/unicode.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(mmaux);
  43
  44 #ifdef HAVE_OSS
  45
  46 #define MIXER_DEV "/dev/mixer"
  47
  48 static int      NumDev = 6;
  49
  50 /*-----------------------------------------------------------------------*/
  51
  52 static  int     AUXDRV_Init(void)
  53 {
  54     int mixer;
  55
  56     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  57         WARN("mixer device not available !\n");
  58         NumDev = 0;
  59     } else {
  60         close(mixer);
  61         NumDev = 6;
  62     }
  63     return NumDev;
  64 }
  65
  66 /**************************************************************************
  67  *                              AUX_GetDevCaps                  [internal]
  68  */
  69 static DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPSW lpCaps, DWORD dwSize)
  70 {
  71     int         mixer, volume;
  72     static const WCHAR ini[] = {'O','S','S',' ','A','u','x',0};
  73
  74     TRACE("(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
  75     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  76     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  77         WARN("mixer device not available !\n");
  78         return MMSYSERR_NOTENABLED;
  79     }
  80     if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
  81         close(mixer);
  82         WARN("unable to read mixer !\n");
  83         return MMSYSERR_NOTENABLED;
  84     }
  85     close(mixer);
  86     lpCaps->wMid = 0xAA;
  87     lpCaps->wPid = 0x55;
  88     lpCaps->vDriverVersion = 0x0100;
  89     strcpyW(lpCaps->szPname, ini);
  90     lpCaps->wTechnology = AUXCAPS_CDAUDIO;
  91     lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
  92
  93     return MMSYSERR_NOERROR;
  94 }
  95
  96
  97 /**************************************************************************
  98  *                              AUX_GetVolume                   [internal]
  99  */
 100 static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
 101 {
 102     int         mixer, volume, left, right, cmd;
 103
 104     TRACE("(%04X, %p);\n", wDevID, lpdwVol);
 105     if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
 106     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 107         WARN("mixer device not available !\n");
 108         return MMSYSERR_NOTENABLED;
 109     }
 110     switch(wDevID) {
 111     case 0:
 112         TRACE("SOUND_MIXER_READ_PCM !\n");
 113         cmd = SOUND_MIXER_READ_PCM;
 114         break;
 115     case 1:
 116         TRACE("SOUND_MIXER_READ_SYNTH !\n");
 117         cmd = SOUND_MIXER_READ_SYNTH;
 118         break;
 119     case 2:
 120         TRACE("SOUND_MIXER_READ_CD !\n");
 121         cmd = SOUND_MIXER_READ_CD;
 122         break;
 123     case 3:
 124         TRACE("SOUND_MIXER_READ_LINE !\n");
 125         cmd = SOUND_MIXER_READ_LINE;
 126         break;
 127     case 4:
 128         TRACE("SOUND_MIXER_READ_MIC !\n");
 129         cmd = SOUND_MIXER_READ_MIC;
 130         break;
 131     case 5:
 132         TRACE("SOUND_MIXER_READ_VOLUME !\n");
 133         cmd = SOUND_MIXER_READ_VOLUME;
 134         break;
 135     default:
 136         WARN("invalid device id=%04X !\n", wDevID);
 137         return MMSYSERR_NOTENABLED;
 138     }
 139     if (ioctl(mixer, cmd, &volume) == -1) {
 140         WARN("unable to read mixer !\n");
 141         return MMSYSERR_NOTENABLED;
 142     }
 143     close(mixer);
 144     left  = LOBYTE(LOWORD(volume));
 145     right = HIBYTE(LOWORD(volume));
 146     TRACE("left=%d right=%d !\n", left, right);
 147     *lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
 148     return MMSYSERR_NOERROR;
 149 }
 150
 151 /**************************************************************************
 152  *                              AUX_SetVolume                   [internal]
 153  */
 154 static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
 155 {
 156     int         mixer;
 157     int         volume, left, right;
 158     int         cmd;
 159
 160     TRACE("(%04X, %08lX);\n", wDevID, dwParam);
 161
 162     left   = (LOWORD(dwParam) * 100) >> 16;
 163     right  = (HIWORD(dwParam) * 100) >> 16;
 164     volume = (right << 8) | left;
 165
 166     if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
 167         WARN("mixer device not available !\n");
 168         return MMSYSERR_NOTENABLED;
 169     }
 170
 171     switch(wDevID) {
 172     case 0:
 173         TRACE("SOUND_MIXER_WRITE_PCM !\n");
 174         cmd = SOUND_MIXER_WRITE_PCM;
 175         break;
 176     case 1:
 177         TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
 178         cmd = SOUND_MIXER_WRITE_SYNTH;
 179         break;
 180     case 2:
 181         TRACE("SOUND_MIXER_WRITE_CD !\n");
 182         cmd = SOUND_MIXER_WRITE_CD;
 183         break;
 184     case 3:
 185         TRACE("SOUND_MIXER_WRITE_LINE !\n");
 186         cmd = SOUND_MIXER_WRITE_LINE;
 187         break;
 188     case 4:
 189         TRACE("SOUND_MIXER_WRITE_MIC !\n");
 190         cmd = SOUND_MIXER_WRITE_MIC;
 191         break;
 192     case 5:
 193         TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
 194         cmd = SOUND_MIXER_WRITE_VOLUME;
 195         break;
 196     default:
 197         WARN("invalid device id=%04X !\n", wDevID);
 198         return MMSYSERR_NOTENABLED;
 199     }
 200     if (ioctl(mixer, cmd, &volume) == -1) {
 201         WARN("unable to set mixer !\n");
 202         return MMSYSERR_NOTENABLED;
 203     }
 204     close(mixer);
 205     return MMSYSERR_NOERROR;
 206 }
 207
 208 #endif
 209
 210 /**************************************************************************
 211  *              auxMessage (WINEOSS.2)
 212  */
 213 DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
 214                             DWORD dwParam1, DWORD dwParam2)
 215 {
 216     TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
 217           wDevID, wMsg, dwUser, dwParam1, dwParam2);
 218
 219 #ifdef HAVE_OSS
 220     switch (wMsg) {
 221     case DRVM_INIT:
 222         AUXDRV_Init();
 223         /* fall through */
 224     case DRVM_EXIT:
 225     case DRVM_ENABLE:
 226     case DRVM_DISABLE:
 227         /* FIXME: Pretend this is supported */
 228         return 0;
 229     case AUXDM_GETDEVCAPS:
 230         return AUX_GetDevCaps(wDevID, (LPAUXCAPSW)dwParam1, dwParam2);
 231     case AUXDM_GETNUMDEVS:
 232         TRACE("return %d;\n", NumDev);
 233         return NumDev;
 234     case AUXDM_GETVOLUME:
 235         return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
 236     case AUXDM_SETVOLUME:
 237         return AUX_SetVolume(wDevID, dwParam1);
 238     default:
 239         WARN("unknown message !\n");
 240     }
 241     return MMSYSERR_NOTSUPPORTED;
 242 #else
 243     return MMSYSERR_NOTENABLED;
 244 #endif
 245 }