Sweden-Number/dlls/winmm/midimap/midimap.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Wine Midi mapper driver
*
* Copyright 1999 Eric Pouech
*/
#include "winuser.h"
#include "driver.h"
#include "mmddk.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(msacm)
typedef struct tagMIDIMAPDATA {
struct tagMIDIMAPDATA* self;
HMIDI hMidi;
} MIDIMAPDATA;
static BOOL MIDIMAP_IsData(MIDIMAPDATA* mm)
{
return (!IsBadReadPtr(mm, sizeof(MIDIMAPDATA)) && mm->self == mm);
}
/*======================================================================*
* MIDI OUT part *
*======================================================================*/
static DWORD modOpen(LPDWORD lpdwUser, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
{
UINT nd = midiOutGetNumDevs();
UINT i;
MIDIMAPDATA* mom = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIMAPDATA));
TRACE("(%p %p %08lx\n", lpdwUser, lpDesc, dwFlags);
for (i = 0; i < nd; i++) {
if (midiOutOpen(&mom->hMidi, i, lpDesc->dwCallback,
lpDesc->dwInstance, dwFlags) == MMSYSERR_NOERROR) {
lpDesc->hMidi = mom->hMidi;
*lpdwUser = (DWORD)mom;
return MMSYSERR_NOERROR;
}
}
HeapFree(GetProcessHeap(), 0, mom);
return MMSYSERR_ALLOCATED;
}
static DWORD modClose(MIDIMAPDATA* mom)
{
DWORD ret = midiOutClose(mom->hMidi);
if (ret == MMSYSERR_NOERROR)
HeapFree(GetProcessHeap(), 0, mom);
return ret;
}
static DWORD modLongData(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
return midiOutLongMsg(mom->hMidi, lpMidiHdr, dwParam2);
}
static DWORD modData(MIDIMAPDATA* mom, DWORD dwParam)
{
return midiOutShortMsg(mom->hMidi, dwParam);
}
static DWORD modPrepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
return midiOutPrepareHeader(mom->hMidi, lpMidiHdr, dwParam2);
}
static DWORD modUnprepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
return midiOutUnprepareHeader(mom->hMidi, lpMidiHdr, dwParam2);
}
static DWORD modGetDevCaps(UINT wDevID, MIDIMAPDATA* mom, LPMIDIOUTCAPSA lpMidiCaps, DWORD dwParam2)
{
/* if opened low driver, forward message */
if (MIDIMAP_IsData(mom))
return midiOutGetDevCapsA(mom->hMidi, lpMidiCaps, dwParam2);
/* otherwise, return caps of mapper itself */
if (wDevID == (UINT)-1 || wDevID == (UINT16)-1) {
lpMidiCaps->wMid = 0x00FF;
lpMidiCaps->wPid = 0x0001;
lpMidiCaps->vDriverVersion = 0x0100;
strcpy(lpMidiCaps->szPname, "Wine midi out mapper");
lpMidiCaps->wTechnology = MOD_MAPPER;
lpMidiCaps->wVoices = 0;
lpMidiCaps->wNotes = 0;
lpMidiCaps->wChannelMask = 0xFFFF;
lpMidiCaps->dwSupport = MIDICAPS_LRVOLUME | MIDICAPS_VOLUME;
return MMSYSERR_NOERROR;
}
ERR("This shouldn't happen\n");
return MMSYSERR_ERROR;
}
static DWORD modGetVolume(UINT wDevID, MIDIMAPDATA* mom, LPDWORD lpVol)
{
if (MIDIMAP_IsData(mom))
return midiOutGetVolume(mom->hMidi, lpVol);
return MMSYSERR_ERROR;
}
static DWORD modSetVolume(UINT wDevID, MIDIMAPDATA* mom, DWORD vol)
{
if (MIDIMAP_IsData(mom))
return midiOutSetVolume(mom->hMidi, vol);
return MMSYSERR_ERROR;
}
static DWORD modReset(MIDIMAPDATA* mom)
{
return midiOutReset(mom->hMidi);
}
/**************************************************************************
* MIDIMAP_modMessage [sample driver]
*/
DWORD WINAPI MIDIMAP_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg) {
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case MODM_OPEN: return modOpen ((LPDWORD)dwUser, (LPMIDIOPENDESC)dwParam1,dwParam2);
case MODM_CLOSE: return modClose ((MIDIMAPDATA*)dwUser);
case MODM_DATA: return modData ((MIDIMAPDATA*)dwUser, dwParam1);
case MODM_LONGDATA: return modLongData ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MODM_PREPARE: return modPrepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MODM_UNPREPARE: return modUnprepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MODM_GETDEVCAPS: return modGetDevCaps (wDevID, (MIDIMAPDATA*)dwUser, (LPMIDIOUTCAPSA)dwParam1,dwParam2);
case MODM_GETNUMDEVS: return 1;
case MODM_GETVOLUME: return modGetVolume (wDevID, (MIDIMAPDATA*)dwUser, (LPDWORD)dwParam1);
case MODM_SETVOLUME: return modSetVolume (wDevID, (MIDIMAPDATA*)dwUser, dwParam1);
case MODM_RESET: return modReset ((MIDIMAPDATA*)dwUser);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* MIDI IN part *
*======================================================================*/
static DWORD midOpen(LPDWORD lpdwUser, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
{
UINT nd = midiInGetNumDevs();
UINT i;
MIDIMAPDATA* mim = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIMAPDATA));
TRACE("(%p %p %08lx\n", lpdwUser, lpDesc, dwFlags);
for (i = 0; i < nd; i++) {
if (midiInOpen(&mim->hMidi, i, lpDesc->dwCallback,
lpDesc->dwInstance, dwFlags) == MMSYSERR_NOERROR) {
lpDesc->hMidi = mim->hMidi;
*lpdwUser = (DWORD)mim;
return MMSYSERR_NOERROR;
}
}
HeapFree(GetProcessHeap(), 0, mim);
return MMSYSERR_ALLOCATED;
}
static DWORD midClose(MIDIMAPDATA* mim)
{
DWORD ret = midiInClose(mim->hMidi);
if (ret == MMSYSERR_NOERROR)
HeapFree(GetProcessHeap(), 0, mim);
return ret;
}
static DWORD midAddBuffer(MIDIMAPDATA* mim, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
return midiInAddBuffer(mim->hMidi, lpMidiHdr, dwParam2);
}
static DWORD midPrepare(MIDIMAPDATA* mim, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
return midiInPrepareHeader(mim->hMidi, lpMidiHdr, dwParam2);
}
static DWORD midUnprepare(MIDIMAPDATA* mim, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
return midiInUnprepareHeader(mim->hMidi, lpMidiHdr, dwParam2);
}
static DWORD midGetDevCaps(UINT wDevID, MIDIMAPDATA* mim, LPMIDIINCAPSA lpMidiCaps, DWORD dwParam2)
{
/* if opened low driver, forward message */
if (MIDIMAP_IsData(mim))
return midiInGetDevCapsA(mim->hMidi, lpMidiCaps, dwParam2);
/* otherwise, return caps of mapper itself */
if (wDevID == (UINT)-1 || wDevID == (UINT16)-1) {
lpMidiCaps->wMid = 0x00FF;
lpMidiCaps->wPid = 0x0001;
lpMidiCaps->vDriverVersion = 0x0100;
strcpy(lpMidiCaps->szPname, "Wine midi int mapper");
lpMidiCaps->dwSupport = 0;
return MMSYSERR_NOERROR;
}
ERR("This shouldn't happen\n");
return MMSYSERR_ERROR;
}
static DWORD midStop(MIDIMAPDATA* mim)
{
return midiInStop(mim->hMidi);
}
static DWORD midStart(MIDIMAPDATA* mim)
{
return midiInStart(mim->hMidi);
}
static DWORD midReset(MIDIMAPDATA* mim)
{
return midiInReset(mim->hMidi);
}
/**************************************************************************
* MIDIMAP_midMessage [sample driver]
*/
DWORD WINAPI MIDIMAP_midMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg) {
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case MIDM_OPEN: return midOpen ((LPDWORD)dwUser, (LPMIDIOPENDESC)dwParam1, dwParam2);
case MIDM_CLOSE: return midClose ((MIDIMAPDATA*)dwUser);
case MIDM_ADDBUFFER: return midAddBuffer ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_PREPARE: return midPrepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_UNPREPARE: return midUnprepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_GETDEVCAPS: return midGetDevCaps (wDevID, (MIDIMAPDATA*)dwUser, (LPMIDIINCAPSA)dwParam1, dwParam2);
case MIDM_GETNUMDEVS: return 1;
case MIDM_RESET: return midReset ((MIDIMAPDATA*)dwUser);
case MIDM_START: return midStart ((MIDIMAPDATA*)dwUser);
case MIDM_STOP: return midStop ((MIDIMAPDATA*)dwUser);
default:
FIXME("unknown message %u!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Driver part *
*======================================================================*/
static struct WINE_MIDIMAP* oss = NULL;
/**************************************************************************
* MIDIMAP_drvOpen [internal]
*/
static DWORD MIDIMAP_drvOpen(LPSTR str)
{
if (oss)
return 0;
/* I know, this is ugly, but who cares... */
oss = (struct WINE_MIDIMAP*)1;
return 1;
}
/**************************************************************************
* MIDIMAP_drvClose [internal]
*/
static DWORD MIDIMAP_drvClose(DWORD dwDevID)
{
if (oss) {
oss = NULL;
return 1;
}
return 0;
}
/**************************************************************************
* MIDIMAP_DriverProc [internal]
*/
LONG CALLBACK MIDIMAP_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
switch(wMsg) {
case DRV_LOAD: return 1;
case DRV_FREE: return 1;
case DRV_OPEN: return MIDIMAP_drvOpen((LPSTR)dwParam1);
case DRV_CLOSE: return MIDIMAP_drvClose(dwDevID);
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBoxA(0, "MIDIMAP MultiMedia Driver !", "OSS Driver", MB_OK); return 1;
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
default:
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
}