multimedia/mixer.c

   1 /*
   2  * Sample MIXER Wine Driver for Linux
   3  *
   4  * Copyright 1997 Marcus Meissner
   5  */
   6
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9 #include <fcntl.h>
  10 #include <sys/ioctl.h>
  11 #include "windows.h"
  12 #include "user.h"
  13 #include "driver.h"
  14 #include "mmsystem.h"
  15 #include "debug.h"
  16
  17 #ifdef HAVE_SYS_SOUNDCARD_H
  18 # include <sys/soundcard.h>
  19 #endif
  20 #ifdef HAVE_MACHINE_SOUNDCARD_H
  21 # include <machine/soundcard.h>
  22 #endif
  23
  24 #define MIXER_DEV "/dev/mixer"
  25
  26 #ifdef SOUND_VERSION
  27 #define IOCTL(a,b,c)            ioctl(a,b,&c)
  28 #else
  29 #define IOCTL(a,b,c)            (c = ioctl(a,b,c) )
  30 #endif
  31
  32
  33 /**************************************************************************
  34  *                              MIX_GetDevCaps                  [internal]
  35  */
  36 static DWORD MIX_GetDevCaps(WORD wDevID, LPMIXERCAPS16 lpCaps, DWORD dwSize)
  37 {
  38 #ifdef HAVE_OSS
  39         int             mixer,mask;
  40
  41         TRACE(mmaux,"(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
  42         if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
  43         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
  44                 WARN(mmaux, "mixer device not available !\n");
  45                 return MMSYSERR_NOTENABLED;
  46         }
  47         lpCaps->wMid = 0xAA;
  48         lpCaps->wPid = 0x55;
  49         lpCaps->vDriverVersion = 0x0100;
  50         strcpy(lpCaps->szPname,"WINE Generic Mixer");
  51         if (ioctl(mixer, SOUND_MIXER_READ_DEVMASK, &mask) == -1) {
  52                 close(mixer);
  53                 perror("ioctl mixer SOUND_MIXER_DEVMASK");
  54                 return MMSYSERR_NOTENABLED;
  55         }
  56         /* FIXME: can the Linux Mixer differ between multiple mixertargets? */
  57         lpCaps->cDestinations = 1;
  58         lpCaps->fdwSupport = 0; /* No bits defined yet */
  59
  60         close(mixer);
  61         return MMSYSERR_NOERROR;
  62 #else
  63         return MMSYSERR_NOTENABLED;
  64 #endif
  65 }
  66
  67 #ifdef HAVE_OSS
  68 static char *sdlabels[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_LABELS;
  69 static char *sdnames[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_NAMES;
  70 #endif
  71
  72 /**************************************************************************
  73  *                              MIX_GetLineInfo                 [internal]
  74  */
  75 static DWORD MIX_GetLineInfo(WORD wDevID, LPMIXERLINE16 lpml, DWORD fdwInfo)
  76 {
  77 #ifdef HAVE_OSS
  78         int             mixer,i,j,devmask,recsrc,recmask;
  79
  80         TRACE(mmaux,"(%04X, %p, %lu);\n", wDevID, lpml, fdwInfo);
  81         if (lpml == NULL) return MMSYSERR_NOTENABLED;
  82         if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
  83                 return MMSYSERR_NOTENABLED;
  84
  85         if (ioctl(mixer, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
  86                 close(mixer);
  87                 perror("ioctl mixer SOUND_MIXER_DEVMASK");
  88                 return MMSYSERR_NOTENABLED;
  89         }
  90         if (ioctl(mixer, SOUND_MIXER_READ_RECSRC, &recsrc) == -1) {
  91                 close(mixer);
  92                 perror("ioctl mixer SOUND_MIXER_RECSRC");
  93                 return MMSYSERR_NOTENABLED;
  94         }
  95         if (ioctl(mixer, SOUND_MIXER_READ_RECMASK, &recmask) == -1) {
  96                 close(mixer);
  97                 perror("ioctl mixer SOUND_MIXER_RECMASK");
  98                 return MMSYSERR_NOTENABLED;
  99         }
 100         lpml->cbStruct = sizeof(MIXERLINE16);
 101         /* FIXME: set all the variables correctly... the lines below
 102          * are very wrong...
 103          */
 104         lpml->fdwLine   = MIXERLINE_LINEF_ACTIVE;
 105         lpml->cChannels = 2;
 106
 107         switch (fdwInfo & MIXER_GETLINEINFOF_QUERYMASK) {
 108         case MIXER_GETLINEINFOF_DESTINATION:
 109                 /* FIXME: Linux doesn't seem to support multiple outputs?
 110                  * So we have only one outputtype, Speaker.
 111                  */
 112                 lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
 113                 /* we have all connections found in the devmask */
 114                 lpml->cConnections = 0;
 115                 for (j=0;j<31;j++)
 116                         if (devmask & (1<<j))
 117                                 lpml->cConnections++;
 118                 break;
 119         case MIXER_GETLINEINFOF_SOURCE:
 120                 for (i=j=0;j<31;j++) {
 121                         if (devmask & (1<<j)) {
 122                                 if (lpml->dwSource == i)
 123                                         break;
 124                                 i++;
 125                         }
 126                 }
 127                 strcpy(lpml->szShortName,sdlabels[i]);
 128                 strcpy(lpml->szName,sdnames[i]);
 129                 lpml->dwLineID = i;
 130                 switch (i) {
 131                 case SOUND_MIXER_SYNTH:
 132                         lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER;
 133                         lpml->fdwLine   |= MIXERLINE_LINEF_SOURCE;
 134                         break;
 135                 case SOUND_MIXER_CD:
 136                         lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC;
 137                         lpml->fdwLine   |= MIXERLINE_LINEF_SOURCE;
 138                         break;
 139                 case SOUND_MIXER_LINE:
 140                         lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_LINE;
 141                         lpml->fdwLine   |= MIXERLINE_LINEF_SOURCE;
 142                         break;
 143                 case SOUND_MIXER_MIC:
 144                         lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;
 145                         lpml->fdwLine   |= MIXERLINE_LINEF_SOURCE;
 146                         break;
 147                 case SOUND_MIXER_PCM:
 148                         lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT;
 149                         lpml->fdwLine   |= MIXERLINE_LINEF_SOURCE;
 150                         break;
 151                 default:
 152                         ERR(mmaux,"Mixertype %d not handle.\n",i);
 153                         break;
 154                 }
 155                 break;
 156         case MIXER_GETLINEINFOF_LINEID:
 157                 FIXME(mmaux,"_LINEID (%ld) not implemented yet.\n",lpml->dwLineID);
 158                 break;
 159         case MIXER_GETLINEINFOF_COMPONENTTYPE:
 160                 FIXME(mmaux," _COMPONENTTYPE not implemented yet.\n");
 161                 break;
 162         case MIXER_GETLINEINFOF_TARGETTYPE:
 163                 FIXME(mmaux,"_TARGETTYPE not implemented yet.\n");
 164                 break;
 165         }
 166         lpml->Target.dwType = MIXERLINE_TARGETTYPE_AUX;
 167         close(mixer);
 168         return MMSYSERR_NOERROR;
 169 #else
 170         return MMSYSERR_NOTENABLED;
 171 #endif
 172 }
 173
 174 /**************************************************************************
 175  *                              MIX_GetLineInfo                 [internal]
 176  */
 177 static DWORD MIX_Open(WORD wDevID, LPMIXEROPENDESC lpmod, DWORD flags)
 178 {
 179 #ifdef HAVE_OSS
 180
 181         TRACE(mmaux,"(%04X, %p, %lu);\n",wDevID,lpmod,flags);
 182         if (lpmod == NULL) return MMSYSERR_NOTENABLED;
 183         /* hmm. We don't keep the mixer device open. So just pretend it works */
 184         return MMSYSERR_NOERROR;
 185 #else
 186         return MMSYSERR_NOTENABLED;
 187 #endif
 188 }
 189
 190 /**************************************************************************
 191  *                              mixMessage                      [sample driver]
 192  */
 193 DWORD WINAPI mixMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
 194                                         DWORD dwParam1, DWORD dwParam2)
 195 {
 196         TRACE(mmaux,"(%04X, %04X, %08lX, %08lX, %08lX);\n",
 197                         wDevID, wMsg, dwUser, dwParam1, dwParam2);
 198         switch(wMsg) {
 199         case MXDM_GETDEVCAPS:
 200                 return MIX_GetDevCaps(wDevID,(LPMIXERCAPS16)dwParam1,dwParam2);
 201         case MXDM_GETLINEINFO:
 202                 return MIX_GetLineInfo(wDevID,(LPMIXERLINE16)dwParam1,dwParam2);
 203         case MXDM_GETNUMDEVS:
 204                 TRACE(mmsys,"return 1;\n");
 205                 return 1;
 206         case MXDM_OPEN:
 207                 return MIX_Open(wDevID,(LPMIXEROPENDESC)dwParam1,dwParam2);
 208         default:
 209                 WARN(mmaux,"unknown message %d!\n",wMsg);
 210         }
 211         return MMSYSERR_NOTSUPPORTED;
 212 }
 213