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Sweden-Number/multimedia/audio.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Sample Wine Driver for Open Sound System (featured in Linux and FreeBSD)
*
* Copyright 1994 Martin Ayotte
*/
/*
* FIXME:
* - record/play should and must be done asynchronous
* - segmented/linear pointer problems (lpData in waveheaders,W*_DONE cbs)
*/
#define EMULATE_SB16
#define DEBUG_MCIWAVE
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "wine/winuser16.h"
#include "driver.h"
#include "multimedia.h"
#include "heap.h"
#include "debug.h"
#ifdef HAVE_OSS
#define SOUND_DEV "/dev/dsp"
#define MIXER_DEV "/dev/mixer"
#ifdef SOUND_VERSION
#define IOCTL(a,b,c) ((-1==ioctl(a,b,&c))&&(perror("ioctl:"#b":"#c),0))
#else
#define IOCTL(a,b,c) (c = ioctl(a,b,c) )
#endif
#define MAX_WAVEOUTDRV (1)
#define MAX_WAVEINDRV (1)
typedef struct {
int unixdev;
int state;
DWORD bufsize;
WAVEOPENDESC waveDesc;
WORD wFlags;
PCMWAVEFORMAT Format;
LPWAVEHDR lpQueueHdr;
DWORD dwTotalPlayed;
} WINE_WAVEOUT;
typedef struct {
int unixdev;
int state;
DWORD bufsize; /* OpenSound '/dev/dsp' give us that size */
WAVEOPENDESC waveDesc;
WORD wFlags;
PCMWAVEFORMAT Format;
LPWAVEHDR lpQueueHdr;
DWORD dwTotalRecorded;
} WINE_WAVEIN;
static WINE_WAVEOUT WOutDev [MAX_WAVEOUTDRV];
static WINE_WAVEIN WInDev [MAX_WAVEOUTDRV];
/*======================================================================*
* Low level WAVE implemantation *
*======================================================================*/
/**************************************************************************
* WAVE_NotifyClient [internal]
*/
static DWORD WAVE_NotifyClient(UINT16 wDevID, WORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
TRACE(wave,"wDevID = %04X wMsg = %d dwParm1 = %04lX dwParam2 = %04lX\n",wDevID, wMsg, dwParam1, dwParam2);
switch (wMsg) {
case WOM_OPEN:
case WOM_CLOSE:
case WOM_DONE:
if (wDevID > MAX_WAVEOUTDRV) return MCIERR_INTERNAL;
if (WOutDev[wDevID].wFlags != DCB_NULL &&
!DriverCallback16(
WOutDev[wDevID].waveDesc.dwCallBack,
WOutDev[wDevID].wFlags,
WOutDev[wDevID].waveDesc.hWave,
wMsg,
WOutDev[wDevID].waveDesc.dwInstance,
dwParam1,
dwParam2)) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_NOERROR;
}
break;
case WIM_OPEN:
case WIM_CLOSE:
case WIM_DATA:
if (wDevID > MAX_WAVEINDRV) return MCIERR_INTERNAL;
if (WInDev[wDevID].wFlags != DCB_NULL &&
!DriverCallback16(
WInDev[wDevID].waveDesc.dwCallBack,
WInDev[wDevID].wFlags,
WInDev[wDevID].waveDesc.hWave,
wMsg,
WInDev[wDevID].waveDesc.dwInstance,
dwParam1,
dwParam2)) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_NOERROR;
}
break;
}
return 0;
}
/**************************************************************************
* wodGetDevCaps [internal]
*/
static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPS16 lpCaps, DWORD dwSize)
{
int audio;
int smplrate;
int samplesize = 16;
int dsp_stereo = 1;
int bytespersmpl;
TRACE(wave, "(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if (access(SOUND_DEV,0) != 0) return MMSYSERR_NOTENABLED;
audio = open (SOUND_DEV, O_WRONLY, 0);
if (audio == -1) return MMSYSERR_ALLOCATED ;
#ifdef EMULATE_SB16
lpCaps->wMid = 0x0002;
lpCaps->wPid = 0x0104;
strcpy(lpCaps->szPname, "SB16 Wave Out");
#else
lpCaps->wMid = 0x00FF; /* Manufac ID */
lpCaps->wPid = 0x0001; /* Product ID */
strcpy(lpCaps->szPname, "OpenSoundSystem WAVOUT Driver");
#endif
lpCaps->vDriverVersion = 0x0100;
lpCaps->dwFormats = 0x00000000;
lpCaps->dwSupport = WAVECAPS_VOLUME;
/* First bytespersampl, then stereo */
bytespersmpl = (IOCTL(audio, SNDCTL_DSP_SAMPLESIZE, samplesize) != 0) ? 1 : 2;
lpCaps->wChannels = (IOCTL(audio, SNDCTL_DSP_STEREO, dsp_stereo) != 0) ? 1 : 2;
if (lpCaps->wChannels > 1) lpCaps->dwSupport |= WAVECAPS_LRVOLUME;
smplrate = 44100;
if (IOCTL(audio, SNDCTL_DSP_SPEED, smplrate) == 0) {
lpCaps->dwFormats |= WAVE_FORMAT_4M08;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_4S08;
if (bytespersmpl > 1) {
lpCaps->dwFormats |= WAVE_FORMAT_4M16;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_4S16;
}
}
smplrate = 22050;
if (IOCTL(audio, SNDCTL_DSP_SPEED, smplrate) == 0) {
lpCaps->dwFormats |= WAVE_FORMAT_2M08;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_2S08;
if (bytespersmpl > 1) {
lpCaps->dwFormats |= WAVE_FORMAT_2M16;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_2S16;
}
}
smplrate = 11025;
if (IOCTL(audio, SNDCTL_DSP_SPEED, smplrate) == 0) {
lpCaps->dwFormats |= WAVE_FORMAT_1M08;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_1S08;
if (bytespersmpl > 1) {
lpCaps->dwFormats |= WAVE_FORMAT_1M16;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_1S16;
}
}
close(audio);
TRACE(wave, "dwFormats = %08lX\n", lpCaps->dwFormats);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodOpen [internal]
*/
static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
int audio,abuf_size,smplrate,samplesize,dsp_stereo;
LPWAVEFORMAT lpFormat;
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN(wave, "Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= MAX_WAVEOUTDRV) {
TRACE(wave,"MAX_WAVOUTDRV reached !\n");
return MMSYSERR_ALLOCATED;
}
WOutDev[wDevID].unixdev = 0;
if (access(SOUND_DEV,0) != 0) return MMSYSERR_NOTENABLED;
audio = open (SOUND_DEV, O_WRONLY, 0);
if (audio == -1) {
WARN(wave, "can't open !\n");
return MMSYSERR_ALLOCATED ;
}
IOCTL(audio, SNDCTL_DSP_GETBLKSIZE, abuf_size);
if (abuf_size < 1024 || abuf_size > 65536) {
if (abuf_size == -1)
WARN(wave, "IOCTL can't 'SNDCTL_DSP_GETBLKSIZE' !\n");
else
WARN(wave, "SNDCTL_DSP_GETBLKSIZE Invalid bufsize !\n");
return MMSYSERR_NOTENABLED;
}
WOutDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
switch(WOutDev[wDevID].wFlags) {
case DCB_NULL:
TRACE(wave, "CALLBACK_NULL !\n");
break;
case DCB_WINDOW:
TRACE(wave, "CALLBACK_WINDOW !\n");
break;
case DCB_TASK:
TRACE(wave, "CALLBACK_TASK !\n");
break;
case DCB_FUNCTION:
TRACE(wave, "CALLBACK_FUNCTION !\n");
break;
}
WOutDev[wDevID].lpQueueHdr = NULL;
WOutDev[wDevID].unixdev = audio;
WOutDev[wDevID].dwTotalPlayed = 0;
WOutDev[wDevID].bufsize = abuf_size;
/* FIXME: copy lpFormat too? */
memcpy(&WOutDev[wDevID].waveDesc, lpDesc, sizeof(WAVEOPENDESC));
TRACE(wave,"lpDesc->lpFormat = %p\n",lpDesc->lpFormat);
lpFormat = lpDesc->lpFormat;
TRACE(wave,"lpFormat = %p\n",lpFormat);
if (lpFormat->wFormatTag != WAVE_FORMAT_PCM) {
WARN(wave,"Bad format %04X !\n", lpFormat->wFormatTag);
WARN(wave,"Bad nChannels %d !\n", lpFormat->nChannels);
WARN(wave,"Bad nSamplesPerSec %ld !\n", lpFormat->nSamplesPerSec);
return WAVERR_BADFORMAT;
}
memcpy(&WOutDev[wDevID].Format, lpFormat, sizeof(PCMWAVEFORMAT));
if (WOutDev[wDevID].Format.wf.nChannels == 0) return WAVERR_BADFORMAT;
if (WOutDev[wDevID].Format.wf.nSamplesPerSec == 0) return WAVERR_BADFORMAT;
TRACE(wave,"wBitsPerSample=%u !\n", WOutDev[wDevID].Format.wBitsPerSample);
if (WOutDev[wDevID].Format.wBitsPerSample == 0) {
WOutDev[wDevID].Format.wBitsPerSample = 8 *
(WOutDev[wDevID].Format.wf.nAvgBytesPerSec /
WOutDev[wDevID].Format.wf.nSamplesPerSec) /
WOutDev[wDevID].Format.wf.nChannels;
}
samplesize = WOutDev[wDevID].Format.wBitsPerSample;
smplrate = WOutDev[wDevID].Format.wf.nSamplesPerSec;
dsp_stereo = (WOutDev[wDevID].Format.wf.nChannels > 1) ? TRUE : FALSE;
/* First size and stereo then samplerate */
IOCTL(audio, SNDCTL_DSP_SAMPLESIZE, samplesize);
IOCTL(audio, SNDCTL_DSP_STEREO, dsp_stereo);
IOCTL(audio, SNDCTL_DSP_SPEED, smplrate);
TRACE(wave,"wBitsPerSample=%u !\n", WOutDev[wDevID].Format.wBitsPerSample);
TRACE(wave,"nAvgBytesPerSec=%lu !\n", WOutDev[wDevID].Format.wf.nAvgBytesPerSec);
TRACE(wave,"nSamplesPerSec=%lu !\n", WOutDev[wDevID].Format.wf.nSamplesPerSec);
TRACE(wave,"nChannels=%u !\n", WOutDev[wDevID].Format.wf.nChannels);
if (WAVE_NotifyClient(wDevID, WOM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodClose [internal]
*/
static DWORD wodClose(WORD wDevID)
{
TRACE(wave,"(%u);\n", wDevID);
if (wDevID > MAX_WAVEOUTDRV) return MMSYSERR_INVALPARAM;
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't close !\n");
return MMSYSERR_NOTENABLED;
}
if (WOutDev[wDevID].lpQueueHdr != NULL) {
WARN(wave, "still buffers open !\n");
/* Don't care. Who needs those buffers anyway */
/*return WAVERR_STILLPLAYING; */
}
close(WOutDev[wDevID].unixdev);
WOutDev[wDevID].unixdev = 0;
WOutDev[wDevID].bufsize = 0;
WOutDev[wDevID].lpQueueHdr = NULL;
if (WAVE_NotifyClient(wDevID, WOM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodWrite [internal]
* FIXME: this should _APPEND_ the lpWaveHdr to the output queue of the
* device, and initiate async playing.
*/
static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
int count;
LPSTR lpData;
LPWAVEHDR xwavehdr;
TRACE(wave,"(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't play !\n");
return MMSYSERR_NOTENABLED;
}
if (lpWaveHdr->lpData == NULL) return WAVERR_UNPREPARED;
if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) return WAVERR_UNPREPARED;
if (lpWaveHdr->dwFlags & WHDR_INQUEUE) return WAVERR_STILLPLAYING;
lpWaveHdr->dwFlags &= ~WHDR_DONE;
lpWaveHdr->dwFlags |= WHDR_INQUEUE;
TRACE(wave, "dwBufferLength %lu !\n", lpWaveHdr->dwBufferLength);
TRACE(wave, "WOutDev[%u].unixdev %u !\n", wDevID, WOutDev[wDevID].unixdev);
lpData = lpWaveHdr->lpData;
count = write (WOutDev[wDevID].unixdev, lpData, lpWaveHdr->dwBufferLength);
TRACE(wave,"write returned count %u !\n",count);
if (count != lpWaveHdr->dwBufferLength) {
WARN(wave, " error writing !\n");
return MMSYSERR_NOTENABLED;
}
WOutDev[wDevID].dwTotalPlayed += count;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
if ((DWORD)lpWaveHdr->lpData!=lpWaveHdr->reserved) {
/* FIXME: what if it expects it's OWN lpwavehdr back? */
xwavehdr = SEGPTR_NEW(WAVEHDR);
memcpy(xwavehdr,lpWaveHdr,sizeof(WAVEHDR));
xwavehdr->lpData = (LPBYTE)xwavehdr->reserved;
if (WAVE_NotifyClient(wDevID, WOM_DONE, (DWORD)SEGPTR_GET(xwavehdr), count) != MMSYSERR_NOERROR) {
WARN(wave, "can't notify client !\n");
SEGPTR_FREE(xwavehdr);
return MMSYSERR_INVALPARAM;
}
SEGPTR_FREE(xwavehdr);
} else {
if (WAVE_NotifyClient(wDevID, WOM_DONE, (DWORD)lpWaveHdr, count) != MMSYSERR_NOERROR) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodPrepare [internal]
*/
static DWORD wodPrepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't prepare !\n");
return MMSYSERR_NOTENABLED;
}
/* don't append to queue, wodWrite does that */
WOutDev[wDevID].dwTotalPlayed = 0;
if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
return WAVERR_STILLPLAYING;
lpWaveHdr->dwFlags |= WHDR_PREPARED;
lpWaveHdr->dwFlags &= ~WHDR_DONE;
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodUnprepare [internal]
*/
static DWORD wodUnprepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't unprepare !\n");
return MMSYSERR_NOTENABLED;
}
if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
return WAVERR_STILLPLAYING;
lpWaveHdr->dwFlags &= ~WHDR_PREPARED;
lpWaveHdr->dwFlags |= WHDR_DONE;
TRACE(wave, "all headers unprepared !\n");
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodRestart [internal]
*/
static DWORD wodRestart(WORD wDevID)
{
TRACE(wave,"(%u);\n", wDevID);
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't restart !\n");
return MMSYSERR_NOTENABLED;
}
/* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
/* FIXME: Myst crashes with this ... hmm -MM
if (WAVE_NotifyClient(wDevID, WOM_DONE, 0L, 0L) != MMSYSERR_NOERROR) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
*/
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodReset [internal]
*/
static DWORD wodReset(WORD wDevID)
{
TRACE(wave,"(%u);\n", wDevID);
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't reset !\n");
return MMSYSERR_NOTENABLED;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetPosition [internal]
*/
static DWORD wodGetPosition(WORD wDevID, LPMMTIME16 lpTime, DWORD uSize)
{
int time;
TRACE(wave,"(%u, %p, %lu);\n", wDevID, lpTime, uSize);
if (WOutDev[wDevID].unixdev == 0) {
WARN(wave, "can't get pos !\n");
return MMSYSERR_NOTENABLED;
}
if (lpTime == NULL) return MMSYSERR_INVALPARAM;
TRACE(wave,"wType=%04X !\n", lpTime->wType);
TRACE(wave,"wBitsPerSample=%u\n", WOutDev[wDevID].Format.wBitsPerSample);
TRACE(wave,"nSamplesPerSec=%lu\n", WOutDev[wDevID].Format.wf.nSamplesPerSec);
TRACE(wave,"nChannels=%u\n", WOutDev[wDevID].Format.wf.nChannels);
TRACE(wave,"nAvgBytesPerSec=%lu\n", WOutDev[wDevID].Format.wf.nAvgBytesPerSec);
switch(lpTime->wType) {
case TIME_BYTES:
lpTime->u.cb = WOutDev[wDevID].dwTotalPlayed;
TRACE(wave,"TIME_BYTES=%lu\n", lpTime->u.cb);
break;
case TIME_SAMPLES:
TRACE(wave,"dwTotalPlayed=%lu\n", WOutDev[wDevID].dwTotalPlayed);
TRACE(wave,"wBitsPerSample=%u\n", WOutDev[wDevID].Format.wBitsPerSample);
lpTime->u.sample = WOutDev[wDevID].dwTotalPlayed * 8 /
WOutDev[wDevID].Format.wBitsPerSample;
TRACE(wave,"TIME_SAMPLES=%lu\n", lpTime->u.sample);
break;
case TIME_SMPTE:
time = WOutDev[wDevID].dwTotalPlayed /
(WOutDev[wDevID].Format.wf.nAvgBytesPerSec / 1000);
lpTime->u.smpte.hour = time / 108000;
time -= lpTime->u.smpte.hour * 108000;
lpTime->u.smpte.min = time / 1800;
time -= lpTime->u.smpte.min * 1800;
lpTime->u.smpte.sec = time / 30;
time -= lpTime->u.smpte.sec * 30;
lpTime->u.smpte.frame = time;
lpTime->u.smpte.fps = 30;
TRACE(wave, "wodGetPosition , TIME_SMPTE=%02u:%02u:%02u:%02u\n",
lpTime->u.smpte.hour, lpTime->u.smpte.min,
lpTime->u.smpte.sec, lpTime->u.smpte.frame);
break;
default:
FIXME(wave, "wodGetPosition() format %d not supported ! use TIME_MS !\n",lpTime->wType);
lpTime->wType = TIME_MS;
case TIME_MS:
lpTime->u.ms = WOutDev[wDevID].dwTotalPlayed /
(WOutDev[wDevID].Format.wf.nAvgBytesPerSec / 1000);
TRACE(wave,"wodGetPosition , TIME_MS=%lu\n", lpTime->u.ms);
break;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetVolume [internal]
*/
static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
{
int mixer;
int volume, left, right;
TRACE(wave,"(%u, %p);\n", wDevID, lpdwVol);
if (lpdwVol == NULL) return MMSYSERR_NOTENABLED;
if ((mixer = open(MIXER_DEV, O_RDONLY)) < 0) {
WARN(wave, "mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
WARN(wave, "unable read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
left = volume & 0x7F;
right = (volume >> 8) & 0x7F;
TRACE(wave,"left=%d right=%d !\n", left, right);
*lpdwVol = MAKELONG(left << 9, right << 9);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodSetVolume [internal]
*/
static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
{
int mixer;
int volume;
TRACE(wave,"(%u, %08lX);\n", wDevID, dwParam);
volume = (LOWORD(dwParam) >> 9 & 0x7F) +
((HIWORD(dwParam) >> 9 & 0x7F) << 8);
if ((mixer = open(MIXER_DEV, O_WRONLY)) < 0) {
WARN(wave, "mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
WARN(wave, "unable set mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodMessage [sample driver]
*/
DWORD WINAPI wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
int audio;
TRACE(wave,"wodMessage(%u, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch(wMsg) {
case WODM_OPEN:
return wodOpen(wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
case WODM_CLOSE:
return wodClose(wDevID);
case WODM_WRITE:
return wodWrite(wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_PAUSE:
return MMSYSERR_NOTSUPPORTED;
case WODM_STOP:
return MMSYSERR_NOTSUPPORTED;
case WODM_GETPOS:
return wodGetPosition(wDevID, (LPMMTIME16)dwParam1, dwParam2);
case WODM_BREAKLOOP:
return MMSYSERR_NOTSUPPORTED;
case WODM_PREPARE:
return wodPrepare(wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_UNPREPARE:
return wodUnprepare(wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_GETDEVCAPS:
return wodGetDevCaps(wDevID,(LPWAVEOUTCAPS16)dwParam1,dwParam2);
case WODM_GETNUMDEVS:
/* FIXME: For now, only one sound device (SOUND_DEV) is allowed */
audio = open (SOUND_DEV, O_WRONLY, 0);
if (audio == -1)
{
if (errno == EBUSY)
return 1;
else
return 0;
}
close (audio);
return 1;
case WODM_GETPITCH:
return MMSYSERR_NOTSUPPORTED;
case WODM_SETPITCH:
return MMSYSERR_NOTSUPPORTED;
case WODM_GETPLAYBACKRATE:
return MMSYSERR_NOTSUPPORTED;
case WODM_SETPLAYBACKRATE:
return MMSYSERR_NOTSUPPORTED;
case WODM_GETVOLUME:
return wodGetVolume(wDevID, (LPDWORD)dwParam1);
case WODM_SETVOLUME:
return wodSetVolume(wDevID, dwParam1);
case WODM_RESTART:
return wodRestart(wDevID);
case WODM_RESET:
return wodReset(wDevID);
default:
WARN(wave,"unknown message !\n");
}
return MMSYSERR_NOTSUPPORTED;
}
/*-----------------------------------------------------------------------*/
/**************************************************************************
* widGetDevCaps [internal]
*/
static DWORD widGetDevCaps(WORD wDevID, LPWAVEINCAPS16 lpCaps, DWORD dwSize)
{
int audio,smplrate,samplesize=16,dsp_stereo=1,bytespersmpl;
TRACE(wave, "(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if (access(SOUND_DEV,0) != 0) return MMSYSERR_NOTENABLED;
audio = open (SOUND_DEV, O_RDONLY, 0);
if (audio == -1) return MMSYSERR_ALLOCATED ;
#ifdef EMULATE_SB16
lpCaps->wMid = 0x0002;
lpCaps->wPid = 0x0004;
strcpy(lpCaps->szPname, "SB16 Wave In");
#else
lpCaps->wMid = 0x00FF; /* Manufac ID */
lpCaps->wPid = 0x0001; /* Product ID */
strcpy(lpCaps->szPname, "OpenSoundSystem WAVIN Driver");
#endif
lpCaps->dwFormats = 0x00000000;
lpCaps->wChannels = (IOCTL(audio, SNDCTL_DSP_STEREO, dsp_stereo) != 0) ? 1 : 2;
bytespersmpl = (IOCTL(audio, SNDCTL_DSP_SAMPLESIZE, samplesize) != 0) ? 1 : 2;
smplrate = 44100;
if (IOCTL(audio, SNDCTL_DSP_SPEED, smplrate) == 0) {
lpCaps->dwFormats |= WAVE_FORMAT_4M08;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_4S08;
if (bytespersmpl > 1) {
lpCaps->dwFormats |= WAVE_FORMAT_4M16;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_4S16;
}
}
smplrate = 22050;
if (IOCTL(audio, SNDCTL_DSP_SPEED, smplrate) == 0) {
lpCaps->dwFormats |= WAVE_FORMAT_2M08;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_2S08;
if (bytespersmpl > 1) {
lpCaps->dwFormats |= WAVE_FORMAT_2M16;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_2S16;
}
}
smplrate = 11025;
if (IOCTL(audio, SNDCTL_DSP_SPEED, smplrate) == 0) {
lpCaps->dwFormats |= WAVE_FORMAT_1M08;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_1S08;
if (bytespersmpl > 1) {
lpCaps->dwFormats |= WAVE_FORMAT_1M16;
if (lpCaps->wChannels > 1)
lpCaps->dwFormats |= WAVE_FORMAT_1S16;
}
}
close(audio);
TRACE(wave, "dwFormats = %08lX\n", lpCaps->dwFormats);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widOpen [internal]
*/
static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
int audio,abuf_size,smplrate,samplesize,dsp_stereo;
LPWAVEFORMAT lpFormat;
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN(wave, "Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= MAX_WAVEINDRV) {
TRACE(wave,"MAX_WAVINDRV reached !\n");
return MMSYSERR_ALLOCATED;
}
WInDev[wDevID].unixdev = 0;
if (access(SOUND_DEV,0) != 0) return MMSYSERR_NOTENABLED;
audio = open (SOUND_DEV, O_RDONLY, 0);
if (audio == -1) {
WARN(wave,"can't open !\n");
return MMSYSERR_ALLOCATED;
}
IOCTL(audio, SNDCTL_DSP_GETBLKSIZE, abuf_size);
if (abuf_size < 1024 || abuf_size > 65536) {
if (abuf_size == -1)
WARN(wave, "IOCTL can't 'SNDCTL_DSP_GETBLKSIZE' !\n");
else
WARN(wave, "SNDCTL_DSP_GETBLKSIZE Invalid bufsize !\n");
return MMSYSERR_NOTENABLED;
}
WInDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
switch(WInDev[wDevID].wFlags) {
case DCB_NULL:
TRACE(wave,"CALLBACK_NULL!\n");
break;
case DCB_WINDOW:
TRACE(wave,"CALLBACK_WINDOW!\n");
break;
case DCB_TASK:
TRACE(wave,"CALLBACK_TASK!\n");
break;
case DCB_FUNCTION:
TRACE(wave,"CALLBACK_FUNCTION!\n");
break;
}
if (WInDev[wDevID].lpQueueHdr) {
HeapFree(GetProcessHeap(),0,WInDev[wDevID].lpQueueHdr);
WInDev[wDevID].lpQueueHdr = NULL;
}
WInDev[wDevID].unixdev = audio;
WInDev[wDevID].bufsize = abuf_size;
WInDev[wDevID].dwTotalRecorded = 0;
memcpy(&WInDev[wDevID].waveDesc, lpDesc, sizeof(WAVEOPENDESC));
lpFormat = (LPWAVEFORMAT) lpDesc->lpFormat;
if (lpFormat->wFormatTag != WAVE_FORMAT_PCM) {
WARN(wave, "Bad format %04X !\n",
lpFormat->wFormatTag);
return WAVERR_BADFORMAT;
}
memcpy(&WInDev[wDevID].Format, lpFormat, sizeof(PCMWAVEFORMAT));
WInDev[wDevID].Format.wBitsPerSample = 8; /* <-------------- */
if (WInDev[wDevID].Format.wf.nChannels == 0) return WAVERR_BADFORMAT;
if (WInDev[wDevID].Format.wf.nSamplesPerSec == 0) return WAVERR_BADFORMAT;
if (WInDev[wDevID].Format.wBitsPerSample == 0) {
WInDev[wDevID].Format.wBitsPerSample = 8 *
(WInDev[wDevID].Format.wf.nAvgBytesPerSec /
WInDev[wDevID].Format.wf.nSamplesPerSec) /
WInDev[wDevID].Format.wf.nChannels;
}
samplesize = WInDev[wDevID].Format.wBitsPerSample;
smplrate = WInDev[wDevID].Format.wf.nSamplesPerSec;
dsp_stereo = (WInDev[wDevID].Format.wf.nChannels > 1) ? TRUE : FALSE;
IOCTL(audio, SNDCTL_DSP_SPEED, smplrate);
IOCTL(audio, SNDCTL_DSP_SAMPLESIZE, samplesize);
IOCTL(audio, SNDCTL_DSP_STEREO, dsp_stereo);
TRACE(wave,"wBitsPerSample=%u !\n", WInDev[wDevID].Format.wBitsPerSample);
TRACE(wave,"nSamplesPerSec=%lu !\n", WInDev[wDevID].Format.wf.nSamplesPerSec);
TRACE(wave,"nChannels=%u !\n", WInDev[wDevID].Format.wf.nChannels);
TRACE(wave,"nAvgBytesPerSec=%lu\n", WInDev[wDevID].Format.wf.nAvgBytesPerSec);
if (WAVE_NotifyClient(wDevID, WIM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) {
WARN(wave,"can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widClose [internal]
*/
static DWORD widClose(WORD wDevID)
{
TRACE(wave,"(%u);\n", wDevID);
if (wDevID > MAX_WAVEINDRV) return MMSYSERR_INVALPARAM;
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't close !\n");
return MMSYSERR_NOTENABLED;
}
if (WInDev[wDevID].lpQueueHdr != NULL) {
WARN(wave, "still buffers open !\n");
return WAVERR_STILLPLAYING;
}
close(WInDev[wDevID].unixdev);
WInDev[wDevID].unixdev = 0;
WInDev[wDevID].bufsize = 0;
if (WAVE_NotifyClient(wDevID, WIM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) {
WARN(wave,"can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widAddBuffer [internal]
*/
static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
int count = 1;
LPWAVEHDR lpWIHdr;
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't do it !\n");
return MMSYSERR_NOTENABLED;
}
if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) {
TRACE(wave, "never been prepared !\n");
return WAVERR_UNPREPARED;
}
if (lpWaveHdr->dwFlags & WHDR_INQUEUE) {
TRACE(wave, "header already in use !\n");
return WAVERR_STILLPLAYING;
}
lpWaveHdr->dwFlags |= WHDR_PREPARED;
lpWaveHdr->dwFlags |= WHDR_INQUEUE;
lpWaveHdr->dwFlags &= ~WHDR_DONE;
lpWaveHdr->dwBytesRecorded = 0;
if (WInDev[wDevID].lpQueueHdr == NULL) {
WInDev[wDevID].lpQueueHdr = lpWaveHdr;
} else {
lpWIHdr = WInDev[wDevID].lpQueueHdr;
while (lpWIHdr->lpNext != NULL) {
lpWIHdr = lpWIHdr->lpNext;
count++;
}
lpWIHdr->lpNext = lpWaveHdr;
lpWaveHdr->lpNext = NULL;
count++;
}
TRACE(wave, "buffer added ! (now %u in queue)\n", count);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widPrepare [internal]
*/
static DWORD widPrepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't prepare !\n");
return MMSYSERR_NOTENABLED;
}
if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
return WAVERR_STILLPLAYING;
lpWaveHdr->dwFlags |= WHDR_PREPARED;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags &= ~WHDR_DONE;
lpWaveHdr->dwBytesRecorded = 0;
TRACE(wave,"header prepared !\n");
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widUnprepare [internal]
*/
static DWORD widUnprepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE(wave, "(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't unprepare !\n");
return MMSYSERR_NOTENABLED;
}
lpWaveHdr->dwFlags &= ~WHDR_PREPARED;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
TRACE(wave, "all headers unprepared !\n");
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widStart [internal]
*/
static DWORD widStart(WORD wDevID)
{
int count = 1;
int bytesRead;
LPWAVEHDR lpWIHdr;
LPWAVEHDR *lpWaveHdr;
TRACE(wave,"(%u);\n", wDevID);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave, "can't start recording !\n");
return MMSYSERR_NOTENABLED;
}
lpWaveHdr = &(WInDev[wDevID].lpQueueHdr);
TRACE(wave,"lpWaveHdr = %08lx\n",(DWORD)lpWaveHdr);
if (!*lpWaveHdr || !(*lpWaveHdr)->lpData) {
TRACE(wave,"never been prepared !\n");
return WAVERR_UNPREPARED;
}
while(*lpWaveHdr != NULL) {
lpWIHdr = *lpWaveHdr;
TRACE(wave, "recording buf#%u=%p size=%lu \n",
count, lpWIHdr->lpData, lpWIHdr->dwBufferLength);
fflush(stddeb);
bytesRead = read (WInDev[wDevID].unixdev,
lpWIHdr->lpData,
lpWIHdr->dwBufferLength);
if (bytesRead==-1)
perror("read from audio device");
TRACE(wave,"bytesread=%d (%ld)\n", bytesRead, lpWIHdr->dwBufferLength);
lpWIHdr->dwBytesRecorded = bytesRead;
WInDev[wDevID].dwTotalRecorded += lpWIHdr->dwBytesRecorded;
lpWIHdr->dwFlags &= ~WHDR_INQUEUE;
lpWIHdr->dwFlags |= WHDR_DONE;
/* FIXME: should pass segmented pointer here, do we need that?*/
if (WAVE_NotifyClient(wDevID, WIM_DATA, (DWORD)lpWaveHdr, lpWIHdr->dwBytesRecorded) != MMSYSERR_NOERROR) {
WARN(wave, "can't notify client !\n");
return MMSYSERR_INVALPARAM;
}
/* removes the current block from the queue */
*lpWaveHdr = lpWIHdr->lpNext;
count++;
}
TRACE(wave,"end of recording !\n");
fflush(stddeb);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widStop [internal]
*/
static DWORD widStop(WORD wDevID)
{
TRACE(wave,"(%u);\n", wDevID);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't stop !\n");
return MMSYSERR_NOTENABLED;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widReset [internal]
*/
static DWORD widReset(WORD wDevID)
{
TRACE(wave,"(%u);\n", wDevID);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't reset !\n");
return MMSYSERR_NOTENABLED;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widGetPosition [internal]
*/
static DWORD widGetPosition(WORD wDevID, LPMMTIME16 lpTime, DWORD uSize)
{
int time;
TRACE(wave, "(%u, %p, %lu);\n", wDevID, lpTime, uSize);
if (WInDev[wDevID].unixdev == 0) {
WARN(wave,"can't get pos !\n");
return MMSYSERR_NOTENABLED;
}
if (lpTime == NULL) return MMSYSERR_INVALPARAM;
TRACE(wave,"wType=%04X !\n", lpTime->wType);
TRACE(wave,"wBitsPerSample=%u\n", WInDev[wDevID].Format.wBitsPerSample);
TRACE(wave,"nSamplesPerSec=%lu\n", WInDev[wDevID].Format.wf.nSamplesPerSec);
TRACE(wave,"nChannels=%u\n", WInDev[wDevID].Format.wf.nChannels);
TRACE(wave,"nAvgBytesPerSec=%lu\n", WInDev[wDevID].Format.wf.nAvgBytesPerSec);
fflush(stddeb);
switch(lpTime->wType) {
case TIME_BYTES:
lpTime->u.cb = WInDev[wDevID].dwTotalRecorded;
TRACE(wave,"TIME_BYTES=%lu\n", lpTime->u.cb);
break;
case TIME_SAMPLES:
lpTime->u.sample = WInDev[wDevID].dwTotalRecorded * 8 /
WInDev[wDevID].Format.wBitsPerSample;
TRACE(wave, "TIME_SAMPLES=%lu\n", lpTime->u.sample);
break;
case TIME_SMPTE:
time = WInDev[wDevID].dwTotalRecorded /
(WInDev[wDevID].Format.wf.nAvgBytesPerSec / 1000);
lpTime->u.smpte.hour = time / 108000;
time -= lpTime->u.smpte.hour * 108000;
lpTime->u.smpte.min = time / 1800;
time -= lpTime->u.smpte.min * 1800;
lpTime->u.smpte.sec = time / 30;
time -= lpTime->u.smpte.sec * 30;
lpTime->u.smpte.frame = time;
lpTime->u.smpte.fps = 30;
TRACE(wave,"TIME_SMPTE=%02u:%02u:%02u:%02u\n",
lpTime->u.smpte.hour, lpTime->u.smpte.min,
lpTime->u.smpte.sec, lpTime->u.smpte.frame);
break;
case TIME_MS:
lpTime->u.ms = WInDev[wDevID].dwTotalRecorded /
(WInDev[wDevID].Format.wf.nAvgBytesPerSec / 1000);
TRACE(wave, "TIME_MS=%lu\n", lpTime->u.ms);
break;
default:
FIXME(wave, "format not supported ! use TIME_MS !\n");
lpTime->wType = TIME_MS;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widMessage [sample driver]
*/
DWORD WINAPI widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
int audio;
TRACE(wave,"widMessage(%u, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch(wMsg) {
case WIDM_OPEN:
return widOpen(wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
case WIDM_CLOSE:
return widClose(wDevID);
case WIDM_ADDBUFFER:
return widAddBuffer(wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WIDM_PREPARE:
return widPrepare(wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WIDM_UNPREPARE:
return widUnprepare(wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WIDM_GETDEVCAPS:
return widGetDevCaps(wDevID, (LPWAVEINCAPS16)dwParam1,dwParam2);
case WIDM_GETNUMDEVS:
/* FIXME: For now, only one sound device (SOUND_DEV) is allowed */
audio = open (SOUND_DEV, O_RDONLY, 0);
if (audio == -1)
{
if (errno == EBUSY)
return 1;
else
return 0;
}
close (audio);
return 1;
case WIDM_GETPOS:
return widGetPosition(wDevID, (LPMMTIME16)dwParam1, dwParam2);
case WIDM_RESET:
return widReset(wDevID);
case WIDM_START:
return widStart(wDevID);
case WIDM_PAUSE:
return widStop(wDevID);
case WIDM_STOP:
return widStop(wDevID);
default:
WARN(wave,"unknown message !\n");
}
return MMSYSERR_NOTSUPPORTED;
}
/**************************************************************************
* WAVE_DriverProc16 [sample driver]
*/
LONG WAVE_DriverProc16(DWORD dwDevID, HDRVR16 hDriv, WORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
TRACE(wave,"(%08lX, %04X, %04X, %08lX, %08lX)\n", dwDevID, hDriv, wMsg, dwParam1, dwParam2);
switch(wMsg) {
case DRV_LOAD: return 1;
case DRV_FREE: return 1;
case DRV_OPEN: return 1;
case DRV_CLOSE: return 1;
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBox16(0, "Sample MultiMedia Linux Driver !", "MMLinux Driver", MB_OK); return 1;
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
default:
FIXME(wave, "is probably wrong msg=0x%04x\n", wMsg);
return DefDriverProc16(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
return MMSYSERR_NOTENABLED;
}
/**************************************************************************
* WAVE_DriverProc32 [sample driver]
*/
LONG WAVE_DriverProc(DWORD dwDevID, HDRVR16 hDriv, DWORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
TRACE(wave,"(%08lX, %04X, %08lX, %08lX, %08lX)\n", dwDevID, hDriv, wMsg, dwParam1, dwParam2);
switch(wMsg) {
case DRV_LOAD: return 1;
case DRV_FREE: return 1;
case DRV_OPEN: return 1;
case DRV_CLOSE: return 1;
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBox16(0, "Sample MultiMedia Linux Driver !", "MMLinux Driver", MB_OK); return 1;
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
default:
FIXME(wave, "is probably wrong msg=0x%04lx\n", wMsg);
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
return MMSYSERR_NOTENABLED;
}
#else /* !HAVE_OSS */
/**************************************************************************
* wodMessage [sample driver]
*/
DWORD WINAPI wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
FIXME(wave,"(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
return MMSYSERR_NOTENABLED;
}
/**************************************************************************
* widMessage [sample driver]
*/
DWORD WINAPI widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
FIXME(wave,"(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
return MMSYSERR_NOTENABLED;
}
/**************************************************************************
* WAVE_DriverProc16 [sample driver]
*/
LONG WAVE_DriverProc16(DWORD dwDevID, HDRVR16 hDriv, WORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
return MMSYSERR_NOTENABLED;
}
/**************************************************************************
* WAVE_DriverProc32 [sample driver]
*/
LONG WAVE_DriverProc(DWORD dwDevID, HDRVR16 hDriv, DWORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
return MMSYSERR_NOTENABLED;
}
#endif /* HAVE_OSS */
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