Sweden-Number/multimedia/mixer.c

545 lines
17 KiB
C

/* -*- 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 "mmddk.h"
#include "oss.h"
#include "debugtools.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"
#define WINE_CHN_MASK(_x) (1L << (_x))
#define WINE_CHN_SUPPORTS(_c, _x) ((_c) & WINE_CHN_MASK(_x))
#define WINE_MIXER_MASK (WINE_CHN_MASK(SOUND_MIXER_VOLUME) | \
WINE_CHN_MASK(SOUND_MIXER_BASS) | \
WINE_CHN_MASK(SOUND_MIXER_TREBLE) | \
WINE_CHN_MASK(SOUND_MIXER_SYNTH) | \
WINE_CHN_MASK(SOUND_MIXER_PCM) | \
WINE_CHN_MASK(SOUND_MIXER_LINE) | \
WINE_CHN_MASK(SOUND_MIXER_MIC) | \
WINE_CHN_MASK(SOUND_MIXER_CD))
/**************************************************************************
* MIX_GetVal [internal]
*/
static BOOL MIX_GetVal(int chn, int* val)
{
int mixer;
BOOL ret = FALSE;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
/* FIXME: ENXIO => no mixer installed */
WARN("mixer device not available !\n");
} else {
if (ioctl(mixer, MIXER_READ(chn), val) >= 0) {
TRACE("Reading %x on %d\n", *val, chn);
ret = TRUE;
}
close(mixer);
}
return ret;
}
/**************************************************************************
* MIX_SetVal [internal]
*/
static BOOL MIX_SetVal(int chn, int* val)
{
int mixer;
BOOL ret = FALSE;
TRACE("Writing %x on %d\n", *val, chn);
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
/* FIXME: ENXIO => no mixer installed */
WARN("mixer device not available !\n");
} else {
if (ioctl(mixer, MIXER_WRITE(chn), val) >= 0) {
ret = TRUE;
}
close(mixer);
}
return ret;
}
/**************************************************************************
* MIX_GetDevCaps [internal]
*/
static DWORD MIX_GetDevCaps(WORD wDevID, LPMIXERCAPSA lpCaps, DWORD dwSize)
{
int mixer, mask;
TRACE("(%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) {
/* FIXME: ENXIO => no mixer installed */
WARN("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;
/**************************************************************************
* MIX_GetLineInfoFromIndex [internal]
*/
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("Index %ld not handled.\n", idx);
break;
}
}
/**************************************************************************
* MIX_GetLineInfo [internal]
*/
static DWORD MIX_GetLineInfo(WORD wDevID, LPMIXERLINEA lpMl, DWORD fdwInfo)
{
int mixer, i, j;
int devmask, stereomask;
BOOL isDst = FALSE;
DWORD ret = MMSYSERR_NOERROR;
TRACE("(%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;
}
devmask &= WINE_MIXER_MASK;
if (ioctl(mixer, SOUND_MIXER_READ_STEREODEVS, &stereomask) == -1) {
close(mixer);
perror("ioctl mixer SOUND_MIXER_STEREODEVS");
return MMSYSERR_NOTENABLED;
}
stereomask &= WINE_MIXER_MASK;
#if 0
int recsrc, recmask;
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;
}
#endif
/* FIXME: set all the variables correctly... the lines below
* are very wrong...
*/
lpMl->fdwLine = MIXERLINE_LINEF_ACTIVE;
lpMl->cChannels = 1;
lpMl->dwUser = 0;
lpMl->cControls = 1;
switch (fdwInfo & MIXER_GETLINEINFOF_QUERYMASK) {
case MIXER_GETLINEINFOF_DESTINATION:
TRACE("DESTINATION (%08lx)\n", lpMl->dwDestination);
/* FIXME: Linux doesn't seem to support multiple outputs?
* So we have only one output type: Speaker.
*/
lpMl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
lpMl->dwSource = 0xFFFFFFFF;
lpMl->dwLineID = SOUND_MIXER_VOLUME;
strncpy(lpMl->szShortName, sdlabels[SOUND_MIXER_VOLUME], MIXER_SHORT_NAME_CHARS);
strncpy(lpMl->szName, sdnames[SOUND_MIXER_VOLUME], MIXER_LONG_NAME_CHARS);
/* we have all connections found in the devmask */
lpMl->cConnections = 0;
for (j = 1; j < SOUND_MIXER_NRDEVICES; j++)
if (WINE_CHN_SUPPORTS(devmask, j))
lpMl->cConnections++;
if (stereomask & WINE_CHN_MASK(SOUND_MIXER_VOLUME))
lpMl->cChannels++;
break;
case MIXER_GETLINEINFOF_SOURCE:
TRACE("SOURCE (%08lx)\n", lpMl->dwSource);
i = lpMl->dwSource;
for (j = 1; j < SOUND_MIXER_NRDEVICES; j++) {
if (WINE_CHN_SUPPORTS(devmask, j) && (i-- == 0))
break;
}
if (j >= SOUND_MIXER_NRDEVICES)
return MIXERR_INVALLINE;
if (WINE_CHN_SUPPORTS(stereomask, j))
lpMl->cChannels++;
MIX_GetLineInfoFromIndex(lpMl, devmask, j);
break;
case MIXER_GETLINEINFOF_LINEID:
TRACE("LINEID (%08lx)\n", lpMl->dwLineID);
if (lpMl->dwLineID >= SOUND_MIXER_NRDEVICES)
return MIXERR_INVALLINE;
if (WINE_CHN_SUPPORTS(stereomask, lpMl->dwLineID))
lpMl->cChannels++;
MIX_GetLineInfoFromIndex(lpMl, devmask, lpMl->dwLineID);
break;
case MIXER_GETLINEINFOF_COMPONENTTYPE:
TRACE("COMPONENT TYPE (%08lx)\n", lpMl->dwComponentType);
switch (lpMl->dwComponentType) {
case MIXERLINE_COMPONENTTYPE_DST_SPEAKERS:
i = SOUND_MIXER_VOLUME;
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("Unhandled component type (%08lx)\n", lpMl->dwComponentType);
return MMSYSERR_INVALPARAM;
}
if (WINE_CHN_SUPPORTS(devmask, i)) {
strcpy(lpMl->szShortName, sdlabels[i]);
strcpy(lpMl->szName, sdnames[i]);
lpMl->dwLineID = i;
}
if (WINE_CHN_SUPPORTS(stereomask, i))
lpMl->cChannels++;
lpMl->cConnections = 0;
if (isDst) {
for (j = 1; j < SOUND_MIXER_NRDEVICES; j++) {
if (WINE_CHN_SUPPORTS(devmask, j)) {
lpMl->cConnections++;
}
}
}
break;
case MIXER_GETLINEINFOF_TARGETTYPE:
FIXME("_TARGETTYPE not implemented yet.\n");
break;
default:
WARN("Unknown flag (%08lx)\n", fdwInfo & MIXER_GETLINEINFOF_QUERYMASK);
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("(%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;
}
/**************************************************************************
* MIX_GetLineControls [internal]
*/
static DWORD MIX_GetLineControls(WORD wDevID, LPMIXERLINECONTROLSA lpMlc, DWORD flags)
{
LPMIXERCONTROLA mc;
TRACE("(%04X, %p, %lu): stub!\n", wDevID, lpMlc, flags);
if (lpMlc == NULL) return MMSYSERR_INVALPARAM;
if (lpMlc->cbStruct < sizeof(*lpMlc) ||
lpMlc->cbmxctrl < sizeof(MIXERCONTROLA))
return MMSYSERR_INVALPARAM;
switch (flags & MIXER_GETLINECONTROLSF_QUERYMASK) {
case MIXER_GETLINECONTROLSF_ALL:
TRACE("line=%08lx GLCF_ALL (%ld)\n", lpMlc->dwLineID, lpMlc->cControls);
if (lpMlc->cControls != 1)
return MMSYSERR_INVALPARAM;
break;
case MIXER_GETLINECONTROLSF_ONEBYID:
TRACE("line=%08lx GLCF_ONEBYID (%lx)\n", lpMlc->dwLineID, lpMlc->u.dwControlID);
if (lpMlc->u.dwControlID != 0)
return MMSYSERR_INVALPARAM;
break;
case MIXER_GETLINECONTROLSF_ONEBYTYPE:
TRACE("line=%08lx GLCF_ONEBYTYPE (%lx)\n", lpMlc->dwLineID, lpMlc->u.dwControlType);
if ((lpMlc->u.dwControlType & MIXERCONTROL_CT_CLASS_MASK) != MIXERCONTROL_CT_CLASS_FADER)
return MMSYSERR_INVALPARAM;
break;
default:
ERR("Unknown flag %08lx\n", flags & MIXER_GETLINECONTROLSF_QUERYMASK);
return MMSYSERR_INVALPARAM;
}
TRACE("Returning volume control\n");
/* currently, OSS only provides 1 control per line
* so one by id == one by type == all
*/
mc = lpMlc->pamxctrl;
mc->cbStruct = sizeof(MIXERCONTROLA);
/* since we always have a single control per line, we'll use for controlID the lineID */
mc->dwControlID = lpMlc->dwLineID;
mc->dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
mc->fdwControl = 0;
mc->cMultipleItems = 0;
strncpy(mc->szShortName, "Vol", MIXER_SHORT_NAME_CHARS);
strncpy(mc->szName, "Volume", MIXER_LONG_NAME_CHARS);
memset(&mc->Bounds, 0, sizeof(mc->Bounds));
/* CONTROLTYPE_VOLUME uses the MIXER_CONTROLDETAILS_UNSIGNED struct,
* [0, 100] is the range supported by OSS
* FIXME: sounds like MIXERCONTROL_CONTROLTYPE_VOLUME is always between 0 and 65536...
* look at conversions done in (Get|Set)ControlDetails to stay in [0, 100] range
*/
mc->Bounds.s1.dwMinimum = 0;
mc->Bounds.s1.dwMaximum = 100;
memset(&mc->Metrics, 0, sizeof(mc->Metrics));
mc->Metrics.cSteps = 0;
return MMSYSERR_NOERROR;
}
/**************************************************************************
* MIX_GetControlDetails [internal]
*/
static DWORD MIX_GetControlDetails(WORD wDevID, LPMIXERCONTROLDETAILS lpmcd, DWORD fdwDetails)
{
DWORD ret = MMSYSERR_NOTSUPPORTED;
TRACE("(%04X, %p, %lu)\n", wDevID, lpmcd, fdwDetails);
if (lpmcd == NULL) return MMSYSERR_INVALPARAM;
switch (fdwDetails & MIXER_GETCONTROLDETAILSF_QUERYMASK) {
case MIXER_GETCONTROLDETAILSF_VALUE:
TRACE("GCD VALUE (%08lx)\n", lpmcd->dwControlID);
{
LPMIXERCONTROLDETAILS_UNSIGNED mcdu;
int val;
/* ControlID == LineID == OSS mixer channel */
/* return value is 00RL (4 bytes)... */
if (!MIX_GetVal(lpmcd->dwControlID, &val))
return MMSYSERR_INVALPARAM;
switch (lpmcd->cChannels) {
case 1:
/* mono... so R = L */
mcdu = (LPMIXERCONTROLDETAILS_UNSIGNED)lpmcd->paDetails;
mcdu->dwValue = (LOBYTE(LOWORD(val)) * 65536L) / 100;
break;
case 2:
/* stereo, left is paDetails[0] */
mcdu = (LPMIXERCONTROLDETAILS_UNSIGNED)((char*)lpmcd->paDetails + 0 * lpmcd->cbDetails);
mcdu->dwValue = (LOBYTE(LOWORD(val)) * 65536L) / 100;
mcdu = (LPMIXERCONTROLDETAILS_UNSIGNED)((char*)lpmcd->paDetails + 1 * lpmcd->cbDetails);
mcdu->dwValue = (HIBYTE(LOWORD(val)) * 65536L) / 100;
break;
default:
WARN("Unknown cChannels (%ld)\n", lpmcd->cChannels);
return MMSYSERR_INVALPARAM;
}
TRACE("=> %08lx\n", mcdu->dwValue);
}
ret = MMSYSERR_NOERROR;
break;
case MIXER_GETCONTROLDETAILSF_LISTTEXT:
FIXME("NIY\n");
break;
default:
WARN("Unknown flag (%08lx)\n", fdwDetails & MIXER_GETCONTROLDETAILSF_QUERYMASK);
}
return ret;
}
/**************************************************************************
* MIX_SetControlDetails [internal]
*/
static DWORD MIX_SetControlDetails(WORD wDevID, LPMIXERCONTROLDETAILS lpmcd, DWORD fdwDetails)
{
DWORD ret = MMSYSERR_NOTSUPPORTED;
TRACE("(%04X, %p, %lu)\n", wDevID, lpmcd, fdwDetails);
if (lpmcd == NULL) return MMSYSERR_INVALPARAM;
switch (fdwDetails & MIXER_GETCONTROLDETAILSF_QUERYMASK) {
case MIXER_GETCONTROLDETAILSF_VALUE:
TRACE("GCD VALUE (%08lx)\n", lpmcd->dwControlID);
{
LPMIXERCONTROLDETAILS_UNSIGNED mcdu;
int val;
/* val should contain 00RL */
switch (lpmcd->cChannels) {
case 1:
/* mono... so R = L */
mcdu = (LPMIXERCONTROLDETAILS_UNSIGNED)lpmcd->paDetails;
TRACE("Setting RL to %08ld\n", mcdu->dwValue);
val = 0x101 * ((mcdu->dwValue * 100) >> 16);
break;
case 2:
/* stereo, left is paDetails[0] */
mcdu = (LPMIXERCONTROLDETAILS_UNSIGNED)((char*)lpmcd->paDetails + 0 * lpmcd->cbDetails);
TRACE("Setting L to %08ld\n", mcdu->dwValue);
val = ((mcdu->dwValue * 100) >> 16);
mcdu = (LPMIXERCONTROLDETAILS_UNSIGNED)((char*)lpmcd->paDetails + 1 * lpmcd->cbDetails);
TRACE("Setting R to %08ld\n", mcdu->dwValue);
val += ((mcdu->dwValue * 100) >> 16) << 8;
break;
default:
WARN("Unknown cChannels (%ld)\n", lpmcd->cChannels);
return MMSYSERR_INVALPARAM;
}
/* ControlID == LineID == OSS mixer channel */
if (!MIX_SetVal(lpmcd->dwControlID, &val))
return MMSYSERR_INVALPARAM;
}
ret = MMSYSERR_NOERROR;
break;
case MIXER_GETCONTROLDETAILSF_LISTTEXT:
FIXME("NIY\n");
break;
default:
WARN("Unknown GetControlDetails flag (%08lx)\n", fdwDetails & MIXER_GETCONTROLDETAILSF_QUERYMASK);
}
return MMSYSERR_NOTSUPPORTED;
}
#endif /* HAVE_OSS */
/**************************************************************************
* mixMessage [sample driver]
*/
DWORD WINAPI mixMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE("(%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("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);
case MXDM_GETCONTROLDETAILS:
return MIX_GetControlDetails(wDevID, (LPMIXERCONTROLDETAILS)dwParam1, dwParam2);
case MXDM_SETCONTROLDETAILS:
return MIX_SetControlDetails(wDevID, (LPMIXERCONTROLDETAILS)dwParam1, dwParam2);
default:
WARN("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
#else
return MMSYSERR_NOTENABLED;
#endif
}