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

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/*
* MIDI driver for macOS (PE-side)
*
* Copyright 1994 Martin Ayotte
* Copyright 1998 Luiz Otavio L. Zorzella
* Copyright 1998, 1999 Eric POUECH
* Copyright 2005, 2006 Emmanuel Maillard
* Copyright 2021 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
*/
#include "config.h"
#include "wine/port.h"
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "mmddk.h"
#include "mmdeviceapi.h"
#include "audioclient.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "wine/unixlib.h"
#include "coreaudio.h"
#include "unixlib.h"
WINE_DEFAULT_DEBUG_CHANNEL(midi);
#include <CoreAudio/CoreAudio.h>
#define WINE_DEFINITIONS
#include "coremidi.h"
static DWORD MIDIIn_NumDevs = 0;
static CRITICAL_SECTION midiInLock; /* Critical section for MIDI In */
static CFStringRef MIDIInThreadPortName;
static DWORD WINAPI MIDIIn_MessageThread(LPVOID p);
static MIDIPortRef MIDIInPort = NULL;
MIDISource *sources;
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);
}
static LONG CoreAudio_MIDIInit(void)
{
struct midi_init_params params;
DWORD err;
params.err = &err;
UNIX_CALL(midi_init, &params);
if (err != DRV_SUCCESS)
{
ERR("can't create midi client\n");
return err;
}
MIDIIn_NumDevs = params.num_srcs;
sources = params.srcs;
MIDIInPort = params.midi_in_port;
if (MIDIIn_NumDevs > 0)
{
InitializeCriticalSection(&midiInLock);
midiInLock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": midiInLock");
MIDIInThreadPortName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("MIDIInThreadPortName.%u"), getpid());
CloseHandle( CreateThread(NULL, 0, MIDIIn_MessageThread, NULL, 0, NULL));
}
return err;
}
static LONG CoreAudio_MIDIRelease(void)
{
TRACE("\n");
UNIX_CALL(midi_release, NULL);
sources = NULL;
if (MIDIIn_NumDevs > 0)
{
midiInLock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&midiInLock);
}
return DRV_SUCCESS;
}
/**************************************************************************
* 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=%d 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:
dwCallBack = sources[wDevID].midiDesc.dwCallback;
uFlags = sources[wDevID].wFlags;
hDev = sources[wDevID].midiDesc.hMidi;
dwInstance = sources[wDevID].midiDesc.dwInstance;
break;
default:
ERR("Unsupported MSW-MIDI message %u\n", wMsg);
return;
}
DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2);
}
static DWORD MIDIIn_Open(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
{
TRACE("wDevID=%d lpDesc=%p dwFlags=%08x\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
if (sources[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;
}
sources[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
sources[wDevID].lpQueueHdr = NULL;
sources[wDevID].midiDesc = *lpDesc;
sources[wDevID].startTime = 0;
sources[wDevID].state = 0;
MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L);
return MMSYSERR_NOERROR;
}
static DWORD MIDIIn_Close(WORD wDevID)
{
DWORD ret = MMSYSERR_NOERROR;
TRACE("wDevID=%d\n", wDevID);
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
if (sources[wDevID].midiDesc.hMidi == 0) {
WARN("device not opened !\n");
return MMSYSERR_ERROR;
}
if (sources[wDevID].lpQueueHdr != 0) {
return MIDIERR_STILLPLAYING;
}
MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L);
sources[wDevID].midiDesc.hMidi = 0;
return ret;
}
static DWORD MIDIIn_AddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
{
TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
if (lpMidiHdr == NULL) {
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (dwSize < offsetof(MIDIHDR,dwOffset)) {
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (lpMidiHdr->dwBufferLength == 0) {
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (lpMidiHdr->dwFlags & MHDR_INQUEUE) {
WARN("Still playing\n");
return MIDIERR_STILLPLAYING;
}
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) {
WARN("Unprepared\n");
return MIDIERR_UNPREPARED;
}
EnterCriticalSection(&midiInLock);
lpMidiHdr->dwFlags &= ~WHDR_DONE;
lpMidiHdr->dwFlags |= MHDR_INQUEUE;
lpMidiHdr->dwBytesRecorded = 0;
lpMidiHdr->lpNext = 0;
if (sources[wDevID].lpQueueHdr == 0) {
sources[wDevID].lpQueueHdr = lpMidiHdr;
} else {
LPMIDIHDR ptr;
for (ptr = sources[wDevID].lpQueueHdr;
ptr->lpNext != 0;
ptr = ptr->lpNext);
ptr->lpNext = lpMidiHdr;
}
LeaveCriticalSection(&midiInLock);
return MMSYSERR_NOERROR;
}
static DWORD MIDIIn_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
{
TRACE("wDevID=%d lpMidiHdr=%p dwSize=%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;
}
static DWORD MIDIIn_Unprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
{
TRACE("wDevID=%d lpMidiHdr=%p dwSize=%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;
}
static DWORD MIDIIn_GetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize)
{
TRACE("wDevID=%d lpCaps=%p dwSize=%d\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) {
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
memcpy(lpCaps, &sources[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
return MMSYSERR_NOERROR;
}
static DWORD MIDIIn_GetNumDevs(void)
{
TRACE("\n");
return MIDIIn_NumDevs;
}
static DWORD MIDIIn_Start(WORD wDevID)
{
TRACE("%d\n", wDevID);
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
sources[wDevID].state = 1;
sources[wDevID].startTime = GetTickCount();
return MMSYSERR_NOERROR;
}
static DWORD MIDIIn_Stop(WORD wDevID)
{
TRACE("%d\n", wDevID);
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
sources[wDevID].state = 0;
return MMSYSERR_NOERROR;
}
static DWORD MIDIIn_Reset(WORD wDevID)
{
DWORD dwTime = GetTickCount();
TRACE("%d\n", wDevID);
if (wDevID >= MIDIIn_NumDevs) {
WARN("bad device ID : %d\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
EnterCriticalSection(&midiInLock);
while (sources[wDevID].lpQueueHdr) {
LPMIDIHDR lpMidiHdr = sources[wDevID].lpQueueHdr;
sources[wDevID].lpQueueHdr = lpMidiHdr->lpNext;
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
/* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */
MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, dwTime);
}
LeaveCriticalSection(&midiInLock);
return MMSYSERR_NOERROR;
}
/*
* MIDI In Mach message handling
*/
static CFDataRef MIDIIn_MessageHandler(CFMessagePortRef local, SInt32 msgid, CFDataRef data, void *info)
{
MIDIMessage *msg = NULL;
int i = 0;
MIDISource *src = NULL;
DWORD sendData = 0;
int pos = 0;
DWORD currentTime;
BOOL sysexStart;
switch (msgid)
{
case 0:
msg = (MIDIMessage *) CFDataGetBytePtr(data);
TRACE("devID=%d\n", msg->devID);
for (i = 0; i < msg->length; ++i) {
TRACE("%02X ", msg->data[i]);
}
TRACE("\n");
src = &sources[msg->devID];
if (src->state < 1)
{
TRACE("input not started, thrown away\n");
return NULL;
}
sysexStart = (msg->data[0] == 0xF0);
if (sysexStart || src->state & 2) {
int pos = 0;
int len = msg->length;
if (sysexStart) {
TRACE("Receiving sysex message\n");
src->state |= 2;
}
EnterCriticalSection(&midiInLock);
currentTime = GetTickCount() - src->startTime;
while (len) {
LPMIDIHDR lpMidiHdr = src->lpQueueHdr;
if (lpMidiHdr != NULL) {
int copylen = min(len, lpMidiHdr->dwBufferLength - lpMidiHdr->dwBytesRecorded);
memcpy(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded, msg->data + pos, copylen);
lpMidiHdr->dwBytesRecorded += copylen;
len -= copylen;
pos += copylen;
TRACE("Copied %d bytes of sysex message\n", copylen);
if ((lpMidiHdr->dwBytesRecorded == lpMidiHdr->dwBufferLength) ||
(*(BYTE*)(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded - 1) == 0xF7)) {
TRACE("Sysex message complete (or buffer limit reached), dispatching %d bytes\n", lpMidiHdr->dwBytesRecorded);
src->lpQueueHdr = lpMidiHdr->lpNext;
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
MIDI_NotifyClient(msg->devID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, currentTime);
src->state &= ~2;
}
}
else {
FIXME("Sysex data received but no buffer to store it!\n");
break;
}
}
LeaveCriticalSection(&midiInLock);
return NULL;
}
EnterCriticalSection(&midiInLock);
currentTime = GetTickCount() - src->startTime;
while (pos < msg->length)
{
sendData = 0;
switch (msg->data[pos] & 0xF0)
{
case 0xF0:
sendData = (msg->data[pos] << 0);
pos++;
break;
case 0xC0:
case 0xD0:
sendData = (msg->data[pos + 1] << 8) | (msg->data[pos] << 0);
pos += 2;
break;
default:
sendData = (msg->data[pos + 2] << 16) |
(msg->data[pos + 1] << 8) |
(msg->data[pos] << 0);
pos += 3;
break;
}
MIDI_NotifyClient(msg->devID, MIM_DATA, sendData, currentTime);
}
LeaveCriticalSection(&midiInLock);
break;
default:
CFRunLoopStop(CFRunLoopGetCurrent());
break;
}
return NULL;
}
static DWORD WINAPI MIDIIn_MessageThread(LPVOID p)
{
CFMessagePortRef local;
CFRunLoopSourceRef source;
Boolean info;
local = CFMessagePortCreateLocal(kCFAllocatorDefault, MIDIInThreadPortName, &MIDIIn_MessageHandler, NULL, &info);
source = CFMessagePortCreateRunLoopSource(kCFAllocatorDefault, local, 0);
CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
CFRunLoopRun();
CFRunLoopSourceInvalidate(source);
CFRelease(source);
CFRelease(local);
CFRelease(MIDIInThreadPortName);
MIDIInThreadPortName = NULL;
return 0;
}
/**************************************************************************
* modMessage
*/
DWORD WINAPI CoreAudio_modMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
struct midi_out_message_params params;
struct notify_context notify;
DWORD err;
TRACE("%d %08x %08lx %08lx %08lx\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
params.dev_id = wDevID;
params.msg = wMsg;
params.user = dwUser;
params.param_1 = dwParam1;
params.param_2 = dwParam2;
params.err = &err;
params.notify = &notify;
UNIX_CALL(midi_out_message, &params);
if (!err && notify.send_notify) notify_client(&notify);
return err;
}
/**************************************************************************
* midMessage
*/
DWORD WINAPI CoreAudio_midMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
TRACE("%d %08x %08lx %08lx %08lx\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg) {
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
return 0;
case MIDM_OPEN:
return MIDIIn_Open(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
case MIDM_CLOSE:
return MIDIIn_Close(wDevID);
case MIDM_ADDBUFFER:
return MIDIIn_AddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_PREPARE:
return MIDIIn_Prepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_UNPREPARE:
return MIDIIn_Unprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_GETDEVCAPS:
return MIDIIn_GetDevCaps(wDevID, (LPMIDIINCAPSW) dwParam1, dwParam2);
case MIDM_GETNUMDEVS:
return MIDIIn_GetNumDevs();
case MIDM_START:
return MIDIIn_Start(wDevID);
case MIDM_STOP:
return MIDIIn_Stop(wDevID);
case MIDM_RESET:
return MIDIIn_Reset(wDevID);
default:
TRACE("Unsupported message\n");
}
return MMSYSERR_NOTSUPPORTED;
}
/**************************************************************************
* CoreAudio_drvLoad [internal]
*/
static LRESULT CoreAudio_drvLoad(void)
{
TRACE("()\n");
if (CoreAudio_MIDIInit() != DRV_SUCCESS)
return DRV_FAILURE;
return DRV_SUCCESS;
}
/**************************************************************************
* CoreAudio_drvFree [internal]
*/
static LRESULT CoreAudio_drvFree(void)
{
TRACE("()\n");
CoreAudio_MIDIRelease();
return DRV_SUCCESS;
}
/**************************************************************************
* CoreAudio_drvOpen [internal]
*/
static LRESULT CoreAudio_drvOpen(LPSTR str)
{
TRACE("(%s)\n", str);
return 1;
}
/**************************************************************************
* CoreAudio_drvClose [internal]
*/
static DWORD CoreAudio_drvClose(DWORD dwDevID)
{
TRACE("(%08x)\n", dwDevID);
return 1;
}
/**************************************************************************
* DriverProc (WINECOREAUDIO.1)
*/
LRESULT CALLBACK CoreAudio_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
LPARAM dwParam1, LPARAM dwParam2)
{
TRACE("(%08lX, %p, %s (%08X), %08lX, %08lX)\n",
dwDevID, hDriv, wMsg == DRV_LOAD ? "DRV_LOAD" :
wMsg == DRV_FREE ? "DRV_FREE" :
wMsg == DRV_OPEN ? "DRV_OPEN" :
wMsg == DRV_CLOSE ? "DRV_CLOSE" :
wMsg == DRV_ENABLE ? "DRV_ENABLE" :
wMsg == DRV_DISABLE ? "DRV_DISABLE" :
wMsg == DRV_QUERYCONFIGURE ? "DRV_QUERYCONFIGURE" :
wMsg == DRV_CONFIGURE ? "DRV_CONFIGURE" :
wMsg == DRV_INSTALL ? "DRV_INSTALL" :
wMsg == DRV_REMOVE ? "DRV_REMOVE" : "UNKNOWN",
wMsg, dwParam1, dwParam2);
switch(wMsg) {
case DRV_LOAD: return CoreAudio_drvLoad();
case DRV_FREE: return CoreAudio_drvFree();
case DRV_OPEN: return CoreAudio_drvOpen((LPSTR)dwParam1);
case DRV_CLOSE: return CoreAudio_drvClose(dwDevID);
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBoxA(0, "CoreAudio driver!", "CoreAudio 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);
}
}
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