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Sweden-Number/dlls/wineoss.drv/midi.c

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/*
* MIDI driver for OSS (PE-side)
*
* Copyright 1994 Martin Ayotte
* Copyright 1998 Luiz Otavio L. Zorzella (init procedures)
* Copyright 1998, 1999 Eric POUECH
* Copyright 2022 Huw Davies
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* TODO:
* + use better instrument definition for OPL/2 (midiPatch.c) or
* use existing instrument definition (from playmidi or kmid)
* with a .winerc option
* + have a look at OPL/3 ?
* + implement asynchronous playback of MidiHdr
* + implement STREAM'ed MidiHdr (question: how shall we share the
* code between the midiStream functions in MMSYSTEM/WINMM and
* the code for the low level driver)
* + use a more accurate read mechanism than the one of snooping on
* timers (like select on fd)
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <poll.h>
#include <sys/soundcard.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winternl.h"
#include "mmddk.h"
#include "audioclient.h"
#include "wine/debug.h"
#include "wine/unixlib.h"
#include "unixlib.h"
WINE_DEFAULT_DEBUG_CHANNEL(midi);
static WINE_MIDIIN *MidiInDev;
static WINE_MIDIOUT *MidiOutDev;
/* this is the total number of MIDI out devices found (synth and port) */
static int MODM_NumDevs = 0;
/* this is the number of FM synthesizers (index from 0 to NUMFMSYNTHDEVS - 1) */
static int MODM_NumFMSynthDevs = 0;
/* the Midi ports have index from NUMFMSYNTHDEVS to NumDevs - 1 */
/* this is the total number of MIDI out devices found */
static int MIDM_NumDevs = 0;
static int numStartedMidiIn = 0;
static CRITICAL_SECTION crit_sect; /* protects all MidiIn buffers queues */
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &crit_sect,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": crit_sect") }
};
static CRITICAL_SECTION crit_sect = { &critsect_debug, -1, 0, 0, 0, 0 };
static int end_thread;
static HANDLE hThread;
/*======================================================================*
* Low level MIDI implementation *
*======================================================================*/
static int midiOpenSeq(void);
static int midiCloseSeq(int);
static int MIDI_loadcount;
/**************************************************************************
* OSS_MidiInit [internal]
*
* Initializes the MIDI devices information variables
*/
static LRESULT OSS_MidiInit(void)
{
struct midi_init_params params;
UINT err;
TRACE("(%i)\n", MIDI_loadcount);
if (MIDI_loadcount++)
return 1;
TRACE("Initializing the MIDI variables.\n");
params.err = &err;
OSS_CALL(midi_init, &params);
if (!err)
{
MidiInDev = params.srcs;
MidiOutDev = params.dests;
MODM_NumDevs = params.num_dests;
MODM_NumFMSynthDevs = params.num_synths;
MIDM_NumDevs = params.num_srcs;
}
return err;
}
/**************************************************************************
* OSS_MidiExit [internal]
*
* Release the MIDI devices information variables
*/
static LRESULT OSS_MidiExit(void)
{
TRACE("(%i)\n", MIDI_loadcount);
if (--MIDI_loadcount)
return 1;
MidiInDev = NULL;
MidiOutDev = NULL;
MODM_NumDevs = 0;
MODM_NumFMSynthDevs = 0;
MIDM_NumDevs = 0;
return 0;
}
static void notify_client(struct notify_context *notify)
{
TRACE("dev_id = %d msg = %d param1 = %04lX param2 = %04lX\n",
notify->dev_id, notify->msg, notify->param_1, notify->param_2);
DriverCallback(notify->callback, notify->flags, notify->device, notify->msg,
notify->instance, notify->param_1, notify->param_2);
}
/**************************************************************************
* MIDI_NotifyClient [internal]
*/
static void MIDI_NotifyClient(UINT wDevID, WORD wMsg,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
DWORD_PTR dwCallBack;
UINT uFlags;
HANDLE hDev;
DWORD_PTR dwInstance;
TRACE("wDevID = %04X wMsg = %d dwParm1 = %04lX dwParam2 = %04lX\n",
wDevID, wMsg, dwParam1, dwParam2);
switch (wMsg) {
case MIM_OPEN:
case MIM_CLOSE:
case MIM_DATA:
case MIM_LONGDATA:
case MIM_ERROR:
case MIM_LONGERROR:
case MIM_MOREDATA:
if (wDevID > MIDM_NumDevs) return;
dwCallBack = MidiInDev[wDevID].midiDesc.dwCallback;
uFlags = MidiInDev[wDevID].wFlags;
hDev = MidiInDev[wDevID].midiDesc.hMidi;
dwInstance = MidiInDev[wDevID].midiDesc.dwInstance;
break;
default:
ERR("Unsupported MSW-MIDI message %u\n", wMsg);
return;
}
DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2);
}
/**************************************************************************
* midiOpenSeq [internal]
*/
static int midiOpenSeq(void)
{
struct midi_seq_open_params params;
params.close = 0;
params.fd = -1;
OSS_CALL(midi_seq_open, &params);
return params.fd;
}
/**************************************************************************
* midiCloseSeq [internal]
*/
static int midiCloseSeq(int fd)
{
struct midi_seq_open_params params;
params.close = 1;
params.fd = fd;
OSS_CALL(midi_seq_open, &params);
return 0;
}
/**************************************************************************
* midReceiveChar [internal]
*/
static void midReceiveChar(WORD wDevID, unsigned char value, DWORD dwTime)
{
DWORD toSend = 0;
TRACE("Adding %02xh to %d[%d]\n", value, wDevID, MidiInDev[wDevID].incLen);
if (wDevID >= MIDM_NumDevs) {
WARN("bad devID\n");
return;
}
if (MidiInDev[wDevID].state <= 0) {
TRACE("disabled or input not started, thrown away\n");
return;
}
if (MidiInDev[wDevID].state & 2) { /* system exclusive */
LPMIDIHDR lpMidiHdr;
BOOL sbfb = FALSE;
EnterCriticalSection(&crit_sect);
if ((lpMidiHdr = MidiInDev[wDevID].lpQueueHdr) != NULL) {
LPBYTE lpData = (LPBYTE) lpMidiHdr->lpData;
lpData[lpMidiHdr->dwBytesRecorded++] = value;
if (lpMidiHdr->dwBytesRecorded == lpMidiHdr->dwBufferLength) {
sbfb = TRUE;
}
}
if (value == 0xF7) { /* then end */
MidiInDev[wDevID].state &= ~2;
sbfb = TRUE;
}
if (sbfb && lpMidiHdr != NULL) {
lpMidiHdr = MidiInDev[wDevID].lpQueueHdr;
MidiInDev[wDevID].lpQueueHdr = lpMidiHdr->lpNext;
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, dwTime);
}
LeaveCriticalSection(&crit_sect);
return;
}
#define IS_CMD(_x) (((_x) & 0x80) == 0x80)
#define IS_SYS_CMD(_x) (((_x) & 0xF0) == 0xF0)
if (!IS_CMD(value) && MidiInDev[wDevID].incLen == 0) { /* try to reuse old cmd */
if (IS_CMD(MidiInDev[wDevID].incPrev) && !IS_SYS_CMD(MidiInDev[wDevID].incPrev)) {
MidiInDev[wDevID].incoming[0] = MidiInDev[wDevID].incPrev;
MidiInDev[wDevID].incLen = 1;
TRACE("Reusing old command %02xh\n", MidiInDev[wDevID].incPrev);
} else {
FIXME("error for midi-in, should generate MIM_ERROR notification:"
" prev=%02Xh, incLen=%02Xh\n",
MidiInDev[wDevID].incPrev, MidiInDev[wDevID].incLen);
return;
}
}
MidiInDev[wDevID].incoming[(int)(MidiInDev[wDevID].incLen++)] = value;
if (MidiInDev[wDevID].incLen == 1 && !IS_SYS_CMD(MidiInDev[wDevID].incoming[0])) {
/* store new cmd, just in case */
MidiInDev[wDevID].incPrev = MidiInDev[wDevID].incoming[0];
}
#undef IS_CMD
#undef IS_SYS_CMD
switch (MidiInDev[wDevID].incoming[0] & 0xF0) {
case MIDI_NOTEOFF:
case MIDI_NOTEON:
case MIDI_KEY_PRESSURE:
case MIDI_CTL_CHANGE:
case MIDI_PITCH_BEND:
if (MidiInDev[wDevID].incLen == 3) {
toSend = (MidiInDev[wDevID].incoming[2] << 16) |
(MidiInDev[wDevID].incoming[1] << 8) |
(MidiInDev[wDevID].incoming[0] << 0);
}
break;
case MIDI_PGM_CHANGE:
case MIDI_CHN_PRESSURE:
if (MidiInDev[wDevID].incLen == 2) {
toSend = (MidiInDev[wDevID].incoming[1] << 8) |
(MidiInDev[wDevID].incoming[0] << 0);
}
break;
case MIDI_SYSTEM_PREFIX:
if (MidiInDev[wDevID].incoming[0] == 0xF0) {
MidiInDev[wDevID].state |= 2;
MidiInDev[wDevID].incLen = 0;
} else {
if (MidiInDev[wDevID].incLen == 1) {
toSend = (MidiInDev[wDevID].incoming[0] << 0);
}
}
break;
default:
WARN("This shouldn't happen (%02X)\n", MidiInDev[wDevID].incoming[0]);
}
if (toSend != 0) {
TRACE("Sending event %08x\n", toSend);
MidiInDev[wDevID].incLen = 0;
dwTime -= MidiInDev[wDevID].startTime;
MIDI_NotifyClient(wDevID, MIM_DATA, toSend, dwTime);
}
}
static DWORD WINAPI midRecThread(void *arg)
{
int fd = (int)(INT_PTR)arg;
unsigned char buffer[256];
int len, idx;
DWORD dwTime;
struct pollfd pfd;
TRACE("Thread startup\n");
pfd.fd = fd;
pfd.events = POLLIN;
while(!end_thread) {
TRACE("Thread loop\n");
/* Check if an event is present */
if (poll(&pfd, 1, 250) <= 0)
continue;
len = read(fd, buffer, sizeof(buffer));
TRACE("Received %d bytes\n", len);
if (len < 0) continue;
if ((len % 4) != 0) {
WARN("Bad length %d, errno %d (%s)\n", len, errno, strerror(errno));
continue;
}
dwTime = GetTickCount();
for (idx = 0; idx < len; ) {
if (buffer[idx] & 0x80) {
TRACE(
"Reading<8> %02x %02x %02x %02x %02x %02x %02x %02x\n",
buffer[idx + 0], buffer[idx + 1],
buffer[idx + 2], buffer[idx + 3],
buffer[idx + 4], buffer[idx + 5],
buffer[idx + 6], buffer[idx + 7]);
idx += 8;
} else {
switch (buffer[idx + 0]) {
case SEQ_WAIT:
case SEQ_ECHO:
break;
case SEQ_MIDIPUTC:
midReceiveChar(buffer[idx + 2], buffer[idx + 1], dwTime);
break;
default:
TRACE("Unsupported event %d\n", buffer[idx + 0]);
break;
}
idx += 4;
}
}
}
return 0;
}
/**************************************************************************
* midGetDevCaps [internal]
*/
static DWORD midGetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize)
{
TRACE("(%04X, %p, %08X);\n", wDevID, lpCaps, dwSize);
if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
memcpy(lpCaps, &MidiInDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midOpen [internal]
*/
static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
{
int fd;
TRACE("(%04X, %p, %08X);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
/* FIXME :
* how to check that content of lpDesc is correct ?
*/
if (wDevID >= MIDM_NumDevs) {
WARN("wDevID too large (%u) !\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
if (MidiInDev[wDevID].state == -1) {
WARN("device disabled\n");
return MIDIERR_NODEVICE;
}
if (MidiInDev[wDevID].midiDesc.hMidi != 0) {
WARN("device already open !\n");
return MMSYSERR_ALLOCATED;
}
if ((dwFlags & MIDI_IO_STATUS) != 0) {
WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
dwFlags &= ~MIDI_IO_STATUS;
}
if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
FIXME("Bad dwFlags\n");
return MMSYSERR_INVALFLAG;
}
fd = midiOpenSeq();
if (fd < 0) {
return MMSYSERR_ERROR;
}
if (numStartedMidiIn++ == 0) {
end_thread = 0;
hThread = CreateThread(NULL, 0, midRecThread, (void *)(INT_PTR)fd, 0, NULL);
if (!hThread) {
numStartedMidiIn = 0;
WARN("Couldn't create thread for midi-in\n");
midiCloseSeq(fd);
return MMSYSERR_ERROR;
}
SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
TRACE("Created thread for midi-in\n");
}
MidiInDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
MidiInDev[wDevID].lpQueueHdr = NULL;
MidiInDev[wDevID].midiDesc = *lpDesc;
MidiInDev[wDevID].state = 0;
MidiInDev[wDevID].incLen = 0;
MidiInDev[wDevID].startTime = 0;
MidiInDev[wDevID].fd = fd;
MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midClose [internal]
*/
static DWORD midClose(WORD wDevID)
{
int ret = MMSYSERR_NOERROR;
TRACE("(%04X);\n", wDevID);
if (wDevID >= MIDM_NumDevs) {
WARN("wDevID too big (%u) !\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
if (MidiInDev[wDevID].midiDesc.hMidi == 0) {
WARN("device not opened !\n");
return MMSYSERR_ERROR;
}
if (MidiInDev[wDevID].lpQueueHdr != 0) {
return MIDIERR_STILLPLAYING;
}
if (MidiInDev[wDevID].fd == -1) {
WARN("ooops !\n");
return MMSYSERR_ERROR;
}
if (--numStartedMidiIn == 0) {
TRACE("Stopping thread for midi-in\n");
end_thread = 1;
if (WaitForSingleObject(hThread, 5000) != WAIT_OBJECT_0) {
WARN("Thread end not signaled, force termination\n");
TerminateThread(hThread, 0);
}
TRACE("Stopped thread for midi-in\n");
}
midiCloseSeq(MidiInDev[wDevID].fd);
MidiInDev[wDevID].fd = -1;
MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L);
MidiInDev[wDevID].midiDesc.hMidi = 0;
return ret;
}
/**************************************************************************
* midAddBuffer [internal]
*/
static DWORD midAddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
{
TRACE("(%04X, %p, %d);\n", wDevID, lpMidiHdr, dwSize);
if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
if (lpMidiHdr == NULL) return MMSYSERR_INVALPARAM;
if (dwSize < offsetof(MIDIHDR,dwOffset)) return MMSYSERR_INVALPARAM;
if (lpMidiHdr->dwBufferLength == 0) return MMSYSERR_INVALPARAM;
if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
EnterCriticalSection(&crit_sect);
lpMidiHdr->dwFlags &= ~WHDR_DONE;
lpMidiHdr->dwFlags |= MHDR_INQUEUE;
lpMidiHdr->dwBytesRecorded = 0;
lpMidiHdr->lpNext = 0;
if (MidiInDev[wDevID].lpQueueHdr == 0) {
MidiInDev[wDevID].lpQueueHdr = lpMidiHdr;
} else {
LPMIDIHDR ptr;
for (ptr = MidiInDev[wDevID].lpQueueHdr;
ptr->lpNext != 0;
ptr = ptr->lpNext);
ptr->lpNext = lpMidiHdr;
}
LeaveCriticalSection(&crit_sect);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midPrepare [internal]
*/
static DWORD midPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
{
TRACE("(%04X, %p, %d);\n", wDevID, lpMidiHdr, dwSize);
if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
return MMSYSERR_INVALPARAM;
if (lpMidiHdr->dwFlags & MHDR_PREPARED)
return MMSYSERR_NOERROR;
lpMidiHdr->lpNext = 0;
lpMidiHdr->dwFlags |= MHDR_PREPARED;
lpMidiHdr->dwFlags &= ~(MHDR_DONE|MHDR_INQUEUE); /* flags cleared since w2k */
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midUnprepare [internal]
*/
static DWORD midUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
{
TRACE("(%04X, %p, %d);\n", wDevID, lpMidiHdr, dwSize);
if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
return MMSYSERR_INVALPARAM;
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
return MMSYSERR_NOERROR;
if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midReset [internal]
*/
static DWORD midReset(WORD wDevID)
{
DWORD dwTime = GetTickCount();
TRACE("(%04X);\n", wDevID);
if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
EnterCriticalSection(&crit_sect);
while (MidiInDev[wDevID].lpQueueHdr) {
LPMIDIHDR lpMidiHdr = MidiInDev[wDevID].lpQueueHdr;
MidiInDev[wDevID].lpQueueHdr = lpMidiHdr->lpNext;
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, dwTime);
}
LeaveCriticalSection(&crit_sect);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midStart [internal]
*/
static DWORD midStart(WORD wDevID)
{
TRACE("(%04X);\n", wDevID);
if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
MidiInDev[wDevID].state = 1;
MidiInDev[wDevID].startTime = GetTickCount();
return MMSYSERR_NOERROR;
}
/**************************************************************************
* midStop [internal]
*/
static DWORD midStop(WORD wDevID)
{
TRACE("(%04X);\n", wDevID);
if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
MidiInDev[wDevID].state = 0;
return MMSYSERR_NOERROR;
}
/*-----------------------------------------------------------------------*/
/**************************************************************************
* modGetDevCaps [internal]
*/
static DWORD modGetDevCaps(WORD wDevID, LPMIDIOUTCAPSW lpCaps, DWORD dwSize)
{
TRACE("(%04X, %p, %08X);\n", wDevID, lpCaps, dwSize);
if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
memcpy(lpCaps, &MidiOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
return MMSYSERR_NOERROR;
}
/**************************************************************************
* modGetVolume [internal]
*/
static DWORD modGetVolume(WORD wDevID, DWORD* lpdwVolume)
{
if (!lpdwVolume) return MMSYSERR_INVALPARAM;
if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
*lpdwVolume = 0xFFFFFFFF;
return (MidiOutDev[wDevID].caps.dwSupport & MIDICAPS_VOLUME) ? 0 : MMSYSERR_NOTSUPPORTED;
}
DWORD WINAPI OSS_modMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
DWORD_PTR dwParam1, DWORD_PTR dwParam2);
/**************************************************************************
* modReset [internal]
*/
static DWORD modReset(WORD wDevID)
{
unsigned chn;
TRACE("(%04X);\n", wDevID);
if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
/* stop all notes */
/* FIXME: check if 0x78B0 is channel dependent or not. I coded it so that
* it's channel dependent...
*/
for (chn = 0; chn < 16; chn++) {
/* turn off every note */
OSS_modMessage(wDevID, MODM_DATA, 0, 0x7800 | MIDI_CTL_CHANGE | chn, 0);
/* remove sustain on all channels */
OSS_modMessage(wDevID, MODM_DATA, 0, (CTL_SUSTAIN << 8) | MIDI_CTL_CHANGE | chn, 0);
}
/* FIXME: the LongData buffers must also be returned to the app */
return MMSYSERR_NOERROR;
}
/*======================================================================*
* MIDI entry points *
*======================================================================*/
/**************************************************************************
* midMessage (WINEOSS.@)
*/
DWORD WINAPI OSS_midMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg) {
case DRVM_INIT:
return OSS_MidiInit();
case DRVM_EXIT:
return OSS_MidiExit();
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case MIDM_OPEN:
return midOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
case MIDM_CLOSE:
return midClose(wDevID);
case MIDM_ADDBUFFER:
return midAddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_PREPARE:
return midPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_UNPREPARE:
return midUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_GETDEVCAPS:
return midGetDevCaps(wDevID, (LPMIDIINCAPSW)dwParam1,dwParam2);
case MIDM_GETNUMDEVS:
return MIDM_NumDevs;
case MIDM_RESET:
return midReset(wDevID);
case MIDM_START:
return midStart(wDevID);
case MIDM_STOP:
return midStop(wDevID);
default:
TRACE("Unsupported message\n");
}
return MMSYSERR_NOTSUPPORTED;
}
/**************************************************************************
* modMessage (WINEOSS.@)
*/
DWORD WINAPI OSS_modMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
struct midi_out_message_params params;
struct notify_context notify;
UINT err;
TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg) {
case DRVM_INIT:
return OSS_MidiInit();
case DRVM_EXIT:
return OSS_MidiExit();
case MODM_GETDEVCAPS:
return modGetDevCaps(wDevID, (LPMIDIOUTCAPSW)dwParam1, dwParam2);
case MODM_GETNUMDEVS:
return MODM_NumDevs;
case MODM_GETVOLUME:
return modGetVolume(wDevID, (DWORD*)dwParam1);
case MODM_SETVOLUME:
return 0;
case MODM_RESET:
return modReset(wDevID);
}
params.dev_id = wDevID;
params.msg = wMsg;
params.user = dwUser;
params.param_1 = dwParam1;
params.param_2 = dwParam2;
params.err = &err;
params.notify = &notify;
OSS_CALL(midi_out_message, &params);
if (!err && notify.send_notify) notify_client(&notify);
return err;
}
/**************************************************************************
* DriverProc (WINEOSS.1)
*/
LRESULT CALLBACK OSS_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
LPARAM dwParam1, LPARAM dwParam2)
{
TRACE("(%08lX, %p, %08X, %08lX, %08lX)\n",
dwDevID, hDriv, wMsg, dwParam1, dwParam2);
switch(wMsg) {
case DRV_LOAD:
case DRV_FREE:
case DRV_OPEN:
case DRV_CLOSE:
case DRV_ENABLE:
case DRV_DISABLE:
case DRV_QUERYCONFIGURE:
case DRV_CONFIGURE:
return 1;
case DRV_INSTALL:
case DRV_REMOVE:
return DRV_SUCCESS;
default:
return 0;
}
}
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