Sweden-Number/misc/mmaux.c

137 lines
3.3 KiB
C

/*
* Sample AUXILARY Wine Driver for Linux
*
* Copyright 1994 Martin Ayotte
*/
static char Copyright[] = "Copyright Martin Ayotte, 1994";
#ifndef WINELIB
#define BUILTIN_MMSYSTEM
#endif
#ifdef BUILTIN_MMSYSTEM
#include "stdio.h"
#include "win.h"
#include "user.h"
#include "driver.h"
#include "mmsystem.h"
#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef linux
#include <linux/soundcard.h>
#endif
#define SOUND_DEV "/dev/dsp"
#define MIXER_DEV "/dev/mixer"
#ifdef SOUND_VERSION
#define IOCTL(a,b,c) ioctl(a,b,&c)
#else
#define IOCTL(a,b,c) (c = ioctl(a,b,c) )
#endif
/*-----------------------------------------------------------------------*/
/**************************************************************************
* AUX_GetDevCaps [internal]
*/
DWORD AUX_GetDevCaps(WORD wDevID, LPAUXCAPS lpCaps, DWORD dwSize)
{
#ifdef linux
int mixer;
int volume;
printf("AUX_GetDevCaps(%u, %08X, %u);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
printf("AUX_GetDevCaps // mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
printf("AUX_GetDevCaps // unable read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
return MMSYSERR_NOERROR;
#else
return MMSYSERR_NOTENABLED;
#endif
}
/**************************************************************************
* AUX_GetVolume [internal]
*/
DWORD AUX_GetVolume(WORD wDevID, DWORD dwParam)
{
#ifdef linux
int mixer;
int volume;
printf("AUX_GetVolume(%u, %08X);\n", wDevID, dwParam);
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
printf("Linux 'AUX_GetVolume' // mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1) {
printf("Linux 'AUX_GetVolume' // unable read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
return MMSYSERR_NOERROR;
#else
return MMSYSERR_NOTENABLED;
#endif
}
/**************************************************************************
* AUX_SetVolume [internal]
*/
DWORD AUX_SetVolume(WORD wDevID, DWORD dwParam)
{
#ifdef linux
int mixer;
int volume = 50;
printf("AUX_SetVolume(%u, %08X);\n", wDevID, dwParam);
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
printf("Linux 'AUX_SetVolume' // mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_WRITE_LINE, &volume) == -1) {
printf("Linux 'AUX_SetVolume' // unable set mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
return MMSYSERR_NOERROR;
#else
return MMSYSERR_NOTENABLED;
#endif
}
/**************************************************************************
* auxMessage [sample driver]
*/
DWORD auxMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
printf("auxMessage(%u, %04X, %08X, %08X, %08X);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch(wMsg) {
case AUXDM_GETDEVCAPS:
return AUX_GetDevCaps(wDevID, (LPAUXCAPS)dwParam1, dwParam2);
case AUXDM_GETNUMDEVS:
return 0L;
case AUXDM_GETVOLUME:
return AUX_GetVolume(wDevID, dwParam1);
case AUXDM_SETVOLUME:
return AUX_SetVolume(wDevID, dwParam1);
}
return MMSYSERR_NOTSUPPORTED;
}
#endif /* #ifdef BUILTIN_MMSYSTEM */