Sweden-Number/dlls/winmm/wineoss/mmaux.c

246 lines
6.1 KiB
C

/*
* Sample AUXILARY Wine Driver
*
* Copyright 1994 Martin Ayotte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <fcntl.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "mmddk.h"
#include "oss.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mmaux);
#ifdef HAVE_OSS
#define MIXER_DEV "/dev/mixer"
static int NumDev = 6;
/*-----------------------------------------------------------------------*/
static int AUXDRV_Init(void)
{
int mixer;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
WARN("mixer device not available !\n");
NumDev = 0;
} else {
close(mixer);
NumDev = 6;
}
return NumDev;
}
/**************************************************************************
* AUX_GetDevCaps [internal]
*/
static DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPSW lpCaps, DWORD dwSize)
{
int mixer, volume;
static const WCHAR ini[] = {'O','S','S',' ','A','u','x',0};
TRACE("(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
close(mixer);
WARN("unable to read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
lpCaps->wMid = 0xAA;
lpCaps->wPid = 0x55;
lpCaps->vDriverVersion = 0x0100;
strcpyW(lpCaps->szPname, ini);
lpCaps->wTechnology = AUXCAPS_CDAUDIO;
lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
return MMSYSERR_NOERROR;
}
/**************************************************************************
* AUX_GetVolume [internal]
*/
static DWORD AUX_GetVolume(WORD wDevID, LPDWORD lpdwVol)
{
int mixer, volume, left, right, cmd;
TRACE("(%04X, %p);\n", wDevID, lpdwVol);
if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
switch(wDevID) {
case 0:
TRACE("SOUND_MIXER_READ_PCM !\n");
cmd = SOUND_MIXER_READ_PCM;
break;
case 1:
TRACE("SOUND_MIXER_READ_SYNTH !\n");
cmd = SOUND_MIXER_READ_SYNTH;
break;
case 2:
TRACE("SOUND_MIXER_READ_CD !\n");
cmd = SOUND_MIXER_READ_CD;
break;
case 3:
TRACE("SOUND_MIXER_READ_LINE !\n");
cmd = SOUND_MIXER_READ_LINE;
break;
case 4:
TRACE("SOUND_MIXER_READ_MIC !\n");
cmd = SOUND_MIXER_READ_MIC;
break;
case 5:
TRACE("SOUND_MIXER_READ_VOLUME !\n");
cmd = SOUND_MIXER_READ_VOLUME;
break;
default:
WARN("invalid device id=%04X !\n", wDevID);
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, cmd, &volume) == -1) {
WARN("unable to read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
left = LOBYTE(LOWORD(volume));
right = HIBYTE(LOWORD(volume));
TRACE("left=%d right=%d !\n", left, right);
*lpdwVol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* AUX_SetVolume [internal]
*/
static DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
{
int mixer;
int volume, left, right;
int cmd;
TRACE("(%04X, %08lX);\n", wDevID, dwParam);
left = (LOWORD(dwParam) * 100) >> 16;
right = (HIWORD(dwParam) * 100) >> 16;
volume = (right << 8) | left;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
switch(wDevID) {
case 0:
TRACE("SOUND_MIXER_WRITE_PCM !\n");
cmd = SOUND_MIXER_WRITE_PCM;
break;
case 1:
TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
cmd = SOUND_MIXER_WRITE_SYNTH;
break;
case 2:
TRACE("SOUND_MIXER_WRITE_CD !\n");
cmd = SOUND_MIXER_WRITE_CD;
break;
case 3:
TRACE("SOUND_MIXER_WRITE_LINE !\n");
cmd = SOUND_MIXER_WRITE_LINE;
break;
case 4:
TRACE("SOUND_MIXER_WRITE_MIC !\n");
cmd = SOUND_MIXER_WRITE_MIC;
break;
case 5:
TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
cmd = SOUND_MIXER_WRITE_VOLUME;
break;
default:
WARN("invalid device id=%04X !\n", wDevID);
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, cmd, &volume) == -1) {
WARN("unable to set mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
return MMSYSERR_NOERROR;
}
#endif
/**************************************************************************
* auxMessage (WINEOSS.2)
*/
DWORD WINAPI OSS_auxMessage(UINT wDevID, UINT 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 DRVM_INIT:
AUXDRV_Init();
/* fall through */
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case AUXDM_GETDEVCAPS:
return AUX_GetDevCaps(wDevID, (LPAUXCAPSW)dwParam1, dwParam2);
case AUXDM_GETNUMDEVS:
TRACE("return %d;\n", NumDev);
return NumDev;
case AUXDM_GETVOLUME:
return AUX_GetVolume(wDevID, (LPDWORD)dwParam1);
case AUXDM_SETVOLUME:
return AUX_SetVolume(wDevID, dwParam1);
default:
WARN("unknown message !\n");
}
return MMSYSERR_NOTSUPPORTED;
#else
return MMSYSERR_NOTENABLED;
#endif
}