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wine/multimedia/mixer.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Sample MIXER Wine Driver for Linux
*
* Copyright 1997 Marcus Meissner
* 1999 Eric Pouech
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "windef.h"
#include "user.h"
#include "driver.h"
#include "multimedia.h"
#include "debug.h"
DEFAULT_DEBUG_CHANNEL(mmaux)
#ifdef HAVE_OSS
#define MIXER_DEV "/dev/mixer"
#define WINE_MIXER_MANUF_ID 0xAA
#define WINE_MIXER_PRODUCT_ID 0x55
#define WINE_MIXER_VERSION 0x0100
#define WINE_MIXER_NAME "WINE OSS Mixer"
/**************************************************************************
* MIX_GetDevCaps [internal]
*/
static DWORD MIX_GetDevCaps(WORD wDevID, LPMIXERCAPSA lpCaps, DWORD dwSize)
{
int mixer, mask;
TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (wDevID != 0) return MMSYSERR_BADDEVICEID;
if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
WARN(mmaux, "mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
lpCaps->wMid = WINE_MIXER_MANUF_ID;
lpCaps->wPid = WINE_MIXER_PRODUCT_ID;
lpCaps->vDriverVersion = WINE_MIXER_VERSION;
strcpy(lpCaps->szPname, WINE_MIXER_NAME);
if (ioctl(mixer, SOUND_MIXER_READ_DEVMASK, &mask) == -1) {
close(mixer);
perror("ioctl mixer SOUND_MIXER_DEVMASK");
return MMSYSERR_NOTENABLED;
}
/* FIXME: can the Linux Mixer differ between multiple mixer targets ? */
lpCaps->cDestinations = 1;
lpCaps->fdwSupport = 0; /* No bits defined yet */
close(mixer);
return MMSYSERR_NOERROR;
}
static char *sdlabels[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_LABELS;
static char *sdnames[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_NAMES;
static void MIX_GetLineInfoFromIndex(LPMIXERLINEA lpMl, int devmask, DWORD idx)
{
strcpy(lpMl->szShortName, sdlabels[idx]);
strcpy(lpMl->szName, sdnames[idx]);
lpMl->dwLineID = idx;
lpMl->dwDestination = 0; /* index for speakers */
lpMl->cConnections = 1;
lpMl->cControls = 1;
switch (idx) {
case SOUND_MIXER_SYNTH:
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case SOUND_MIXER_CD:
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case SOUND_MIXER_LINE:
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_LINE;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case SOUND_MIXER_MIC:
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case SOUND_MIXER_PCM:
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
default:
ERR(mmaux, "Index %ld not handled.\n", idx);
break;
}
}
/**************************************************************************
* MIX_GetLineInfo [internal]
*/
static DWORD MIX_GetLineInfo(WORD wDevID, LPMIXERLINEA lpMl, DWORD fdwInfo)
{
int mixer, i, j, devmask, recsrc, recmask;
BOOL isDst = FALSE;
DWORD ret = MMSYSERR_NOERROR;
TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID, lpMl, fdwInfo);
if (lpMl == NULL || lpMl->cbStruct != sizeof(*lpMl))
return MMSYSERR_INVALPARAM;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
return MMSYSERR_NOTENABLED;
if (ioctl(mixer, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
close(mixer);
perror("ioctl mixer SOUND_MIXER_DEVMASK");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_RECSRC, &recsrc) == -1) {
close(mixer);
perror("ioctl mixer SOUND_MIXER_RECSRC");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_RECMASK, &recmask) == -1) {
close(mixer);
perror("ioctl mixer SOUND_MIXER_RECMASK");
return MMSYSERR_NOTENABLED;
}
/* FIXME: set all the variables correctly... the lines below
* are very wrong...
*/
lpMl->fdwLine = MIXERLINE_LINEF_ACTIVE;
lpMl->cChannels = 2;
lpMl->dwUser = 0;
lpMl->cControls = 1;
switch (fdwInfo & MIXER_GETLINEINFOF_QUERYMASK) {
case MIXER_GETLINEINFOF_DESTINATION:
/* FIXME: Linux doesn't seem to support multiple outputs?
* So we have only one output type: Speaker.
*/
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
lpMl->dwDestination = 0;
lpMl->dwSource = 0xFFFFFFFF;
lpMl->dwLineID = SOUND_MIXER_SPEAKER;
strcpy(lpMl->szShortName, sdlabels[SOUND_MIXER_SPEAKER]);
strcpy(lpMl->szName, sdnames[SOUND_MIXER_SPEAKER]);
/* we have all connections found in the devmask */
lpMl->cConnections = 0;
for (j = 0; j < 31; j++)
if (devmask & (1 << j))
lpMl->cConnections++;
break;
case MIXER_GETLINEINFOF_SOURCE:
for (i = j = 0; j < 31; j++) {
if (devmask & (1 << j)) {
if (lpMl->dwSource == i)
break;
i++;
}
}
MIX_GetLineInfoFromIndex(lpMl, devmask, i);
break;
case MIXER_GETLINEINFOF_LINEID:
MIX_GetLineInfoFromIndex(lpMl, devmask, lpMl->dwLineID);
break;
case MIXER_GETLINEINFOF_COMPONENTTYPE:
TRACE(mmaux, "Getting component type (%08lx)\n", lpMl->dwComponentType);
switch (lpMl->dwComponentType) {
case MIXERLINE_COMPONENTTYPE_DST_SPEAKERS:
i = SOUND_MIXER_SPEAKER;
lpMl->dwDestination = 0;
lpMl->dwSource = 0xFFFFFFFF;
isDst = TRUE;
break;
case MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER:
i = SOUND_MIXER_SYNTH;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC:
i = SOUND_MIXER_CD;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case MIXERLINE_COMPONENTTYPE_SRC_LINE:
i = SOUND_MIXER_LINE;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE:
i = SOUND_MIXER_MIC;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
case MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT:
i = SOUND_MIXER_PCM;
lpMl->fdwLine |= MIXERLINE_LINEF_SOURCE;
break;
default:
FIXME(mmaux, "Unhandled component type (%08lx)\n", lpMl->dwComponentType);
return MMSYSERR_INVALPARAM;
}
if (devmask & (1 << i)) {
strcpy(lpMl->szShortName, sdlabels[i]);
strcpy(lpMl->szName, sdnames[i]);
lpMl->dwLineID = i;
}
lpMl->cConnections = 0;
if (isDst) {
for (j = 0; j < 31; j++)
if (devmask & (1 << j))
lpMl->cConnections++;
/* lpMl->dwLineID = 32;*/
}
break;
case MIXER_GETLINEINFOF_TARGETTYPE:
FIXME(mmaux, "_TARGETTYPE not implemented yet.\n");
break;
}
lpMl->Target.dwType = MIXERLINE_TARGETTYPE_AUX;
lpMl->Target.dwDeviceID = 0xFFFFFFFF;
lpMl->Target.wMid = WINE_MIXER_MANUF_ID;
lpMl->Target.wPid = WINE_MIXER_PRODUCT_ID;
lpMl->Target.vDriverVersion = WINE_MIXER_VERSION;
strcpy(lpMl->Target.szPname, WINE_MIXER_NAME);
close(mixer);
return ret;
}
/**************************************************************************
* MIX_GetLineInfo [internal]
*/
static DWORD MIX_Open(WORD wDevID, LPMIXEROPENDESC lpMod, DWORD flags)
{
TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID, lpMod, flags);
if (lpMod == NULL) return MMSYSERR_INVALPARAM;
/* hmm. We don't keep the mixer device open. So just pretend it works */
return MMSYSERR_NOERROR;
}
static DWORD MIX_GetLineControls(WORD wDevID, LPMIXERLINECONTROLSA lpMlc, DWORD flags)
{
TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID, lpMlc, flags);
if (lpMlc == NULL) return MMSYSERR_INVALPARAM;
return MMSYSERR_NOERROR;
}
#endif
/**************************************************************************
* mixMessage [sample driver]
*/
DWORD WINAPI mixMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE(mmaux, "(%04X, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
#ifdef HAVE_OSS
switch(wMsg) {
case MXDM_GETDEVCAPS:
return MIX_GetDevCaps(wDevID, (LPMIXERCAPSA)dwParam1, dwParam2);
case MXDM_GETLINEINFO:
return MIX_GetLineInfo(wDevID, (LPMIXERLINEA)dwParam1, dwParam2);
case MXDM_GETNUMDEVS:
TRACE(mmaux, "return 1;\n");
return 1;
case MXDM_OPEN:
return MIX_Open(wDevID, (LPMIXEROPENDESC)dwParam1, dwParam2);
case MXDM_CLOSE:
return MMSYSERR_NOERROR;
case MXDM_GETLINECONTROLS:
return MIX_GetLineControls(wDevID, (LPMIXERLINECONTROLSA)dwParam1, dwParam2);
default:
WARN(mmaux, "unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
#endif
return MMSYSERR_NOTENABLED;
}
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