Sweden-Number/multimedia/mmaux.c

261 lines
6.2 KiB
C

/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Sample AUXILARY Wine Driver
*
* Copyright 1994 Martin Ayotte
*/
#define EMULATE_SB16
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "windef.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"
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, LPAUXCAPSA lpCaps, DWORD dwSize)
{
int mixer,volume;
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);
#ifdef EMULATE_SB16
lpCaps->wMid = 0x0002;
lpCaps->vDriverVersion = 0x0200;
lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
switch (wDevID) {
case 0:
lpCaps->wPid = 0x0196;
strcpy(lpCaps->szPname, "SB16 Aux: Wave");
lpCaps->wTechnology = AUXCAPS_AUXIN;
break;
case 1:
lpCaps->wPid = 0x0197;
strcpy(lpCaps->szPname, "SB16 Aux: Midi Synth");
lpCaps->wTechnology = AUXCAPS_AUXIN;
break;
case 2:
lpCaps->wPid = 0x0191;
strcpy(lpCaps->szPname, "SB16 Aux: CD");
lpCaps->wTechnology = AUXCAPS_CDAUDIO;
break;
case 3:
lpCaps->wPid = 0x0192;
strcpy(lpCaps->szPname, "SB16 Aux: Line-In");
lpCaps->wTechnology = AUXCAPS_AUXIN;
break;
case 4:
lpCaps->wPid = 0x0193;
strcpy(lpCaps->szPname, "SB16 Aux: Mic");
lpCaps->wTechnology = AUXCAPS_AUXIN;
break;
case 5:
lpCaps->wPid = 0x0194;
strcpy(lpCaps->szPname, "SB16 Aux: Master");
lpCaps->wTechnology = AUXCAPS_AUXIN;
break;
}
#else
lpCaps->wMid = 0xAA;
lpCaps->wPid = 0x55;
lpCaps->vDriverVersion = 0x0100;
strcpy(lpCaps->szPname, "Generic Linux Auxiliary Driver");
lpCaps->wTechnology = AUXCAPS_CDAUDIO;
lpCaps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
#endif
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
/**************************************************************************
* OSS_auxMessage [sample driver]
*/
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 thru */
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case AUXDM_GETDEVCAPS:
return AUX_GetDevCaps(wDevID, (LPAUXCAPSA)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
}