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MidiPlayer.cpp
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/////////////////////////////////////////////////////////////////////////////
//
// $Header: /WinArena/MidiPlayer.cpp 1 12/31/06 11:28a Lee $
//
// File: MidiPlayer.cpp
//
/////////////////////////////////////////////////////////////////////////////
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <process.h>
#include "MidiPlayer.h"
/////////////////////////////////////////////////////////////////////////////
//
void LogMessage(const char pattern[], ...)
{
char message[1024];
va_list args;
va_start(args, pattern);
int length = _vsnprintf(message, ArraySize(message)-2, pattern, args);
va_end(args);
message[length ] = '\n';
message[length+1] = '\0';
OutputDebugStringA(message);
}
/////////////////////////////////////////////////////////////////////////////
//
DWORD PrintCommand(BYTE *pData, char label[])
{
DWORD count = DWORD(*(pData++));
char buffer[256];
memcpy(buffer, pData, count);
buffer[count] = '\0';
printf("%s: %s\n", label, buffer);
return count + 1;
}
/////////////////////////////////////////////////////////////////////////////
//
void CALLBACK MidiOutProc(HMIDIOUT /*hMidi*/, UINT /*message*/, DWORD /*instance*/, DWORD /*param1*/, DWORD /*param2*/)
{
printf("callback\n");
}
/////////////////////////////////////////////////////////////////////////////
//
CwaMidiPlayer::CwaMidiPlayer(void)
: m_Tempo(120),
m_hThread(NULL),
m_ThreadID(0),
m_QueueIndex(0),
m_QueueCount(0)
{
m_hThreadEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
InitializeCriticalSection(&m_MidiSection);
}
/////////////////////////////////////////////////////////////////////////////
//
CwaMidiPlayer::~CwaMidiPlayer(void)
{
CloseHandle(m_hThreadEvent);
DeleteCriticalSection(&m_MidiSection);
}
/////////////////////////////////////////////////////////////////////////////
//
bool CwaMidiPlayer::Open(void)
{
// MMRESULT result;
// result = midiOutOpen(&m_hMidi, MIDI_MAPPER, UINT_PTR(MidiOutProc), 0, CALLBACK_FUNCTION);
memset(&m_MidiHeader, 0, sizeof(m_MidiHeader));
// result = midiOutPrepareHeader(m_hMidi, &m_MidiHeader, sizeof(m_MidiHeader));
return true;
}
/////////////////////////////////////////////////////////////////////////////
//
DWORD CwaMidiPlayer::PackNote(DWORD command, DWORD ticks, DWORD size, BYTE *pTrack)
{
if ((m_NoteOffset + 10) < m_MaxNoteOffset) {
DWORD a = DWORD(pTrack[0]);
DWORD b = DWORD(pTrack[1]);
m_pNoteData[m_NoteOffset+0] = ticks;
m_pNoteData[m_NoteOffset+1] = 0;
m_pNoteData[m_NoteOffset+2] = command | (a << 8);
if (size > 1) {
m_pNoteData[m_NoteOffset+2] |= b << 16;
}
m_NoteOffset += 3;
}
return size;
}
/////////////////////////////////////////////////////////////////////////////
//
DWORD CwaMidiPlayer::PackMeta(DWORD ticks, BYTE *pTrack)
{
DWORD size = DWORD(pTrack[2]);
printf("meta: %02X, %d: %02X:%02X:%02X:%02X\n", pTrack[1], pTrack[2], pTrack[3], pTrack[4], pTrack[5], pTrack[6]);
if ((m_NoteOffset + 10) < m_MaxNoteOffset) {
DWORD byteCount = size + 2;
if (0x51 == pTrack[1]) {
/*
BYTE t = pTrack[3];
pTrack[3] = pTrack[5];
pTrack[5] = t;
*/
DWORD tempo = pTrack[5] | (DWORD(pTrack[4]) << 8) | (DWORD(pTrack[3]) <<16);
printf("tempo: %02X:%02X:%02X = %06X = %d\n", pTrack[3], pTrack[4], pTrack[5], tempo, tempo);
}
m_pNoteData[m_NoteOffset+0] = ticks;
m_pNoteData[m_NoteOffset+1] = 0;
m_pNoteData[m_NoteOffset+2] = byteCount | MEVT_F_LONG;
BYTE *p = reinterpret_cast<BYTE*>(m_pNoteData + m_NoteOffset + 3);
DWORD wordCount = (byteCount + 3) / 4;
DWORD padded = wordCount * 4;
for (DWORD i = 0; i < byteCount; ++i) {
p[i] = pTrack[i+1];
}
for (DWORD i = size; i < padded; ++i) {
p[i] = 0;
}
m_NoteOffset += 3 + wordCount;
}
return size + 1;
}
/////////////////////////////////////////////////////////////////////////////
//
void CwaMidiPlayer::ParseMidiFile(char filename[])
{
FILE *pFile = fopen(filename, "rb");
if (NULL == pFile) {
return;
}
fseek(pFile, 0, SEEK_END);
DWORD size = ftell(pFile);
fseek(pFile, 0, SEEK_SET);
BYTE *pBuffer = new BYTE[size];
fread(pBuffer, size, 1, pFile);
fclose(pFile);
if (0x6468544D != *reinterpret_cast<DWORD*>(pBuffer)) {
printf("No MThd\n");
}
char logname[256];
sprintf(logname, "%s.txt", filename);
FILE *pLog = fopen(logname, "w");
m_MaxNoteOffset = 10000;
m_NoteOffset = 0;
m_pNoteData = new DWORD[m_MaxNoteOffset];
DWORD offset = 8;
DWORD format = SwizzleWORD(pBuffer + offset + 0);
DWORD trackCount = SwizzleWORD(pBuffer + offset + 2);
DWORD deltaTime = SwizzleWORD(pBuffer + offset + 4);
DWORD tempo = 500000;
DWORD currentTime = 0;
offset += 6;
fprintf(pLog, "Format: %d\n", format);
fprintf(pLog, "Track Count: %d\n", trackCount);
fprintf(pLog, "Delta Time: %d\n", deltaTime);
while (offset < size) {
if (0x6B72544D == *reinterpret_cast<DWORD*>(pBuffer + offset)) {
fprintf(pLog, "Track: offset = %d\n", offset);
m_NoteOffset = 0;
offset += 4;
DWORD trackLength = SwizzleDWORD(pBuffer + offset);
offset += 4;
fprintf(pLog, " length = %d\n", trackLength);
BYTE *pTrack = pBuffer + offset;
DWORD trackOffset = 0;
offset += trackLength;
HMIDISTRM hStream = 0;
UINT deviceID = 0;
MMRESULT result;
DWORD m_Command = 0;
while (trackOffset < trackLength) {
// fprintf(pLog, " %-4d: ", trackOffset);
DWORD ticks = 0;
BYTE bits = 0;
do {
bits = pTrack[trackOffset++];
ticks = (ticks << 7) | (bits & 0x7F);
// fprintf(pLog, " %d\n", bits);
} while (0 != (0x80 & bits));
if (0 != (0x80 & pTrack[trackOffset])) {
m_Command = DWORD(pTrack[trackOffset++]);
}
currentTime += ticks;
if ((m_Command >= 0x80) && (m_Command <= 0xEF)) {
switch (m_Command & 0xF0) {
// Note Off
case 0x80:
fprintf(pLog, "%6d %4d off %3d, %3d, %3d\n", currentTime, ticks, m_Command & 0xF, pTrack[trackOffset], pTrack[trackOffset+1]);
trackOffset += PackNote(m_Command, ticks, 2, pTrack+trackOffset);
break;
// Note On
case 0x90:
fprintf(pLog, "%6d %4d on %3d, %3d, %3d\n", currentTime, ticks, m_Command & 0xF, pTrack[trackOffset], pTrack[trackOffset+1]);
trackOffset += PackNote(m_Command, ticks, 2, pTrack+trackOffset);
break;
// Key after-touch
case 0xA0:
fprintf(pLog, "%6d %4d key %d\n", currentTime, ticks, m_Command & 0xF);
trackOffset += 2;
break;
// Control change
case 0xB0:
fprintf(pLog, "%6d %4d control %3d, %3d, %3d\n", currentTime, ticks, m_Command & 0xF, pTrack[trackOffset], pTrack[trackOffset+1]);
trackOffset += PackNote(m_Command, ticks, 2, pTrack+trackOffset);
break;
// Program (patch) change
case 0xC0:
fprintf(pLog, "%6d %4d program %3d, %3d\n", currentTime, ticks, m_Command & 0xF, pTrack[trackOffset]);
trackOffset += PackNote(m_Command, ticks, 1, pTrack+trackOffset);
break;
// Channel after-touch
case 0xD0:
fprintf(pLog, "%6d %4d channel %d\n", currentTime, ticks, m_Command & 0xF);
trackOffset += PackNote(m_Command, ticks, 1, pTrack+trackOffset);
break;
// Pitch wheel change
case 0xE0:
fprintf(pLog, "%6d %4d pitch %d\n", currentTime, ticks, m_Command & 0xF);
trackOffset += PackNote(m_Command, ticks, 2, pTrack+trackOffset);
break;
}
}
else if (0xFF == m_Command) {
DWORD meta = DWORD(pTrack[trackOffset++]);
switch (meta) {
case 0x00: // Sets the track's sequence number
fprintf(pLog, "Sequence number: %d bytes\n", DWORD(pTrack[trackOffset]));
trackOffset += PackMeta(ticks, pTrack + trackOffset - 2);
break;
case 0x01: // Text event
trackOffset += PrintCommand(pTrack + trackOffset, "Comment:");
break;
case 0x02:
trackOffset += PrintCommand(pTrack + trackOffset, "Copyright:");
break;
case 0x03:
trackOffset += PrintCommand(pTrack + trackOffset, "Track Name:");
break;
case 0x04:
trackOffset += PrintCommand(pTrack + trackOffset, "Instrument Name:");
break;
case 0x05:
trackOffset += PrintCommand(pTrack + trackOffset, "Lyric:");
break;
case 0x06:
trackOffset += PrintCommand(pTrack + trackOffset, "Marker:");
break;
case 0x07:
trackOffset += PrintCommand(pTrack + trackOffset, "Cue Point:");
break;
case 0x2F: // end of track
fprintf(pLog, "End of track\n");
trackOffset += 1;
break;
case 0x51: // Set tempo
tempo = pTrack[trackOffset+3] | (DWORD(pTrack[trackOffset+2]) << 8) | (DWORD(pTrack[trackOffset+1]) <<16);
fprintf(pLog, "set tempo: %d bytes, %d\n", DWORD(pTrack[trackOffset]), tempo);
// trackOffset += PackMeta(ticks, pTrack + trackOffset - 2);
trackOffset += 4;
break;
case 0x54: // SMPTE offset
fprintf(pLog, "SMPTE offset: %d bytes\n", DWORD(pTrack[trackOffset]));
trackOffset += 6;
break;
case 0x58: // Time Signature
fprintf(pLog, "time signature: %d bytes, 0x%08X\n", DWORD(pTrack[trackOffset]),
SwizzleDWORD(*((DWORD*)(pTrack+trackOffset+1))));
trackOffset += PackMeta(ticks, pTrack + trackOffset - 2);
// trackOffset += 5;
break;
case 0x59: // Key signature
fprintf(pLog, "key signature\n");
trackOffset += 3;
break;
case 0x7F: // Sequencer specific information
fprintf(pLog, "sequence data: %d bytes\n", DWORD(pTrack[trackOffset]));
// trackOffset += PackMeta(ticks, pTrack + trackOffset - 2);
trackOffset += 1 + DWORD(pTrack[trackOffset]);
break;
default:
fprintf(pLog, "unknown meta 0x%02X\n", meta);
break;
}
}
else {
switch (m_Command) {
case 0xF8:
fprintf(pLog, "timing clock\n");
break;
case 0xFA:
fprintf(pLog, "start current sequence\n");
break;
case 0xFB:
fprintf(pLog, "continue stopped sequence\n");
break;
case 0xFC:
fprintf(pLog, "stop sequence\n");
break;
case 0xFF:
fprintf(pLog, "NOP\n");
break;
default:
fprintf(pLog, "unknown command 0x%02X, 0x%02X\n", m_Command, ticks);
break;
}
}
}
/*
for (DWORD q= 0; q < 400; ++q) {
char foo[64];
sprintf(foo, "%08X\n", notes[q]);
OutputDebugString(foo);
}
*/
m_MidiHeader.dwFlags = 0;
m_MidiHeader.lpData = (LPSTR)m_pNoteData;
m_MidiHeader.dwBufferLength = m_MidiHeader.dwBytesRecorded = m_NoteOffset * 4;
result = midiStreamOpen(&hStream, &deviceID, 1, UINT_PTR(MidiOutProc), 0, CALLBACK_FUNCTION);
MIDIPROPTIMEDIV prop;
/* Set the timebase. Here I use 96 PPQN */
prop.cbStruct = sizeof(MIDIPROPTIMEDIV);
prop.dwTimeDiv = deltaTime;
result = midiStreamProperty(hStream, (LPBYTE)&prop, MIDIPROP_SET|MIDIPROP_TIMEDIV);
MIDIPROPTEMPO tempoProp;
tempoProp.cbStruct = sizeof(MIDIPROPTEMPO);
tempoProp.dwTempo = tempo;
result = midiStreamProperty(hStream, (LPBYTE)&tempoProp, MIDIPROP_SET|MIDIPROP_TEMPO);
result = midiOutPrepareHeader((HMIDIOUT)hStream, &m_MidiHeader, sizeof(m_MidiHeader));
result = midiStreamOut(hStream, &m_MidiHeader, sizeof(m_MidiHeader));
result = midiStreamRestart(hStream);
result = midiOutSetVolume((HMIDIOUT)hStream, 0x80008000);
getch();
result = midiOutUnprepareHeader((HMIDIOUT)hStream, &m_MidiHeader, sizeof(m_MidiHeader));
result = midiStreamClose(hStream);
}
else {
break;
}
}
delete [] pBuffer;
fclose(pLog);
}
/////////////////////////////////////////////////////////////////////////////
//
struct SortEntry_t
{
DWORD Time;
DWORD Duration;
DWORD Size;
BYTE Data[12];
};
void CwaMidiPlayer::ParseTrack(BYTE *pTrack, DWORD trackLength, char filename[])
{
DWORD m_Command = 0;
DWORD trackOffset = 0;
// HMIDISTRM hStream = 0;
// UINT deviceID = 0;
// DWORD tempo = 500000;
DWORD noteCount = 0;
const DWORD maxEntries = 10000;
SortEntry_t entries[maxEntries];
DWORD currentTime = 0;
DWORD ticks = 0;
FILE *pLog = fopen("dump.txt", "w");
while (trackOffset < trackLength) {
ticks = 0;
fprintf(pLog, " %02X:%02X:%02X:%02X:%02X:%02X\n",
pTrack[trackOffset],
pTrack[trackOffset+1],
pTrack[trackOffset+2],
pTrack[trackOffset+3],
pTrack[trackOffset+4],
pTrack[trackOffset+5]);
while (0 == (0x80 & pTrack[trackOffset])) {
fprintf(pLog, "tick: %d\n", pTrack[trackOffset]);
ticks += DWORD(pTrack[trackOffset++]);
}
ticks *= 2;
currentTime += ticks;
// ticks = accumTime - currentTime;
/*
printf(" %-4d: 0x%02X 0x%02X 0x%02X 0x%02X\n ", trackOffset,
DWORD(pTrack[trackOffset+0]),
DWORD(pTrack[trackOffset+1]),
DWORD(pTrack[trackOffset+2]),
DWORD(pTrack[trackOffset+3]));
*/
if (0 != (0x80 & pTrack[trackOffset])) {
m_Command = DWORD(pTrack[trackOffset++]);
fprintf(pLog, "command: %d\n", m_Command);
}
if ((m_Command >= 0x80) && (m_Command <= 0xEF)) {
DWORD a = DWORD(pTrack[trackOffset]);
DWORD b = DWORD(pTrack[trackOffset+1]);
switch (m_Command & 0xF0) {
// Note Off
case 0x80:
fprintf(pLog, "%6d %4d off %d, %d, %d\n", currentTime, ticks, m_Command & 0xF, a, b);
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 3;
entries[noteCount].Data[0] = BYTE(m_Command);
entries[noteCount].Data[1] = BYTE(a);
entries[noteCount].Data[2] = BYTE(b);
++noteCount;
}
trackOffset += 2;
break;
// Note On
case 0x90:
trackOffset += 2;
if (noteCount < maxEntries) {
DWORD channel = m_Command & 0xF;
DWORD c = DWORD(pTrack[trackOffset++]);
DWORD delta = c & 0x7F;
if (c & 0x80) {
c = DWORD(pTrack[trackOffset++]);
delta = (delta << 7) | (c & 0x7F);
}
delta *= 2;
DWORD d = 0;//DWORD(pTrack[trackOffset++]);
fprintf(pLog, "%6d %4d-%-3d on %d, %d, %d, %d, %d\n", currentTime, ticks, delta, m_Command & 0xF, a, b, c, d);
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = delta;
entries[noteCount].Size = 3;
entries[noteCount].Data[0] = BYTE(0x90 | channel);
entries[noteCount].Data[1] = BYTE(a);
entries[noteCount].Data[2] = BYTE(b);
++noteCount;
entries[noteCount].Time = currentTime + delta;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 3;
entries[noteCount].Data[0] = BYTE(0x80 | channel);
entries[noteCount].Data[1] = BYTE(a);
entries[noteCount].Data[2] = BYTE(b);
++noteCount;
// printf(" %4d on %d, %d, %d\n", ticks, m_Command & 0xF, a, b);
}
break;
// Key after-touch
case 0xA0:
printf(" %4d key %d\n", ticks, m_Command & 0xF);
trackOffset += 2;
break;
// Control change
case 0xB0:
fprintf(pLog, "%6d %4d control %d, %d, %d\n", currentTime, ticks, m_Command & 0xF, pTrack[trackOffset], pTrack[trackOffset+1]);
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 3;
entries[noteCount].Data[0] = BYTE(m_Command);
entries[noteCount].Data[1] = BYTE(a);
entries[noteCount].Data[2] = BYTE(b);
++noteCount;
}
trackOffset += 2;
if (117 == a) {
// trackOffset = trackLength;
}
break;
// Program (patch) change
case 0xC0:
printf(" %4d program %d, %d\n", ticks, m_Command & 0xF, pTrack[trackOffset]);
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 2;
entries[noteCount].Data[0] = BYTE(m_Command);
entries[noteCount].Data[1] = BYTE(a);
++noteCount;
}
trackOffset += 1;
break;
// Channel after-touch
case 0xD0:
printf(" %4d channel %d\n", ticks, m_Command & 0xF);
trackOffset += 1;
break;
// Pitch wheel change
case 0xE0:
// printf(" %4d pitch %d\n", ticks, m_Command & 0xF);
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 3;
entries[noteCount].Data[0] = BYTE(m_Command);
entries[noteCount].Data[1] = BYTE(a);
entries[noteCount].Data[2] = BYTE(b);
++noteCount;
}
trackOffset += 2;
break;
}
}
else if (0xFF == m_Command) {
DWORD meta = DWORD(pTrack[trackOffset++]);
switch (meta) {
case 0x00: // Sets the track's sequence number
printf("Sequence number\n");
trackOffset += 3;
break;
case 0x01: // Text event
trackOffset += PrintCommand(pTrack + trackOffset, "Comment:");
break;
case 0x02:
trackOffset += PrintCommand(pTrack + trackOffset, "Copyright:");
break;
case 0x03:
trackOffset += PrintCommand(pTrack + trackOffset, "Track Name:");
break;
case 0x04:
trackOffset += PrintCommand(pTrack + trackOffset, "Instrument Name:");
break;
case 0x05:
trackOffset += PrintCommand(pTrack + trackOffset, "Lyric:");
break;
case 0x06:
trackOffset += PrintCommand(pTrack + trackOffset, "Marker:");
break;
case 0x07:
trackOffset += PrintCommand(pTrack + trackOffset, "Cue Point:");
break;
case 0x2F: // end of track
printf("End of track\n");
trackOffset += 1;
break;
case 0x51: // Set tempo
// printf("set tempo\n");
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 5;
entries[noteCount].Data[0] = pTrack[trackOffset-1];
entries[noteCount].Data[1] = pTrack[trackOffset+0];
entries[noteCount].Data[2] = pTrack[trackOffset+1];
entries[noteCount].Data[3] = pTrack[trackOffset+2];
entries[noteCount].Data[4] = pTrack[trackOffset+3];
DWORD tempo = DWORD(pTrack[trackOffset+3])
| (DWORD(pTrack[trackOffset+2]) << 8)
| (DWORD(pTrack[trackOffset+1]) << 16);
printf("tempo = 0x%08X = %d\n", *((DWORD*)&(entries[noteCount].Data[3])), tempo);
static bool done = false;
if (!done) { done = true;
// ++noteCount;
}
}
trackOffset += 4;
break;
case 0x54: // SMPTE offset
// printf("SMPTE offset\n");
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 7;
entries[noteCount].Data[0] = pTrack[trackOffset-1];
entries[noteCount].Data[1] = pTrack[trackOffset+0];
entries[noteCount].Data[2] = pTrack[trackOffset+1];
entries[noteCount].Data[3] = pTrack[trackOffset+2];
entries[noteCount].Data[4] = pTrack[trackOffset+3];
entries[noteCount].Data[5] = pTrack[trackOffset+4];
entries[noteCount].Data[6] = pTrack[trackOffset+5];
entries[noteCount].Data[7] = 0;
// ++noteCount;
}
trackOffset += 6;
break;
case 0x58: // Time Signature
// printf("time signature\n");
if (noteCount < maxEntries) {
entries[noteCount].Time = currentTime;
entries[noteCount].Duration = 0;
entries[noteCount].Size = 6;
entries[noteCount].Data[0] = pTrack[trackOffset-1];
entries[noteCount].Data[1] = pTrack[trackOffset+0];
entries[noteCount].Data[2] = pTrack[trackOffset+1];
entries[noteCount].Data[3] = pTrack[trackOffset+2];
entries[noteCount].Data[4] = pTrack[trackOffset+3];
entries[noteCount].Data[5] = pTrack[trackOffset+4];
entries[noteCount].Data[6] = 0;
entries[noteCount].Data[7] = 0;
/*
entries[noteCount].Data[2] = 0x04;
entries[noteCount].Data[3] = 0x02;
entries[noteCount].Data[4] = 0x60;
entries[noteCount].Data[5] = 0x08;
*/
BYTE *p = pTrack+trackOffset-1;
printf("meta: %02X, %d: %02X:%02X:%02X:%02X\n", p[0], p[1], p[2], p[3], p[4], p[5]);
printf("timesig = 0x%08X\n", *((DWORD*)&(entries[noteCount].Data[2])));
static int sigcount = 0;
if (++sigcount > 1) {
++noteCount;
}
}
trackOffset += 5;
break;
case 0x59: // Key signature
printf("key signature\n");
trackOffset += 3;
break;
case 0x7F: // Sequencer specific information
printf("sequence data\n");
trackOffset += 1 + DWORD(pTrack[trackOffset]);
break;
default:
printf("unknown meta 0x%02X\n", meta);
break;
}
}
else {
switch (m_Command) {
case 0xF8:
printf("timing clock\n");
break;
case 0xFA:
printf("start current sequence\n");
break;
case 0xFB:
printf("continue stopped sequence\n");
break;
case 0xFC:
printf("stop sequence\n");
break;
case 0xFF:
printf("NOP\n");
break;
default:
printf("unknown command 0x%02X, 0x%02X\n", m_Command, ticks);
break;
}
}
}
printf("events = %d\n", noteCount);
if (noteCount > 1) {
for (DWORD i = noteCount - 1; i > 0; --i) {
DWORD maxTime = 0;
DWORD maxIndex = 0;
for (DWORD j = 0; j <= i; ++j) {
if (entries[j].Time >= maxTime) {
maxTime = entries[j].Time;
maxIndex = j;
}
}
if (maxIndex != i) {
SortEntry_t temp = entries[maxIndex];
for (DWORD j = maxIndex; j < i; ++j) {
entries[j] = entries[j+1];
}
entries[i] = temp;
}
}
}
BYTE notesOn[16][128];
for (DWORD i = 0; i < 16; ++i) {
for (DWORD j = 0; j < 128; ++j) {
notesOn[i][j] = 0;
}
}
DWORD notes[30000];
DWORD prevTime = 0;
DWORD base = 0;
for (DWORD i = 0; i < noteCount; ++i) {
notes[base+0] = (entries[i].Time - prevTime) * 3;
notes[base+1] = 0;
DWORD command = 0;
DWORD com2 = 0;
DWORD size = 3;
DWORD count = entries[i].Size;
if (entries[i].Size < 4) {
BYTE *p = reinterpret_cast<BYTE*>(notes + base + 2);
p[0] = entries[i].Data[0];
p[1] = entries[i].Data[1];
p[2] = entries[i].Data[2];
p[3] = 0;
if (0x80 == (p[0] & 0xF0)) {
notesOn[p[0]&0x0F][p[1]&0x7F] = 0;
}
if (0x90 == (p[0] & 0xF0)) {
notesOn[p[0]&0x0F][p[1]&0x7F] = 1;
}
command = notes[base+2];
}
else {
notes[base+2] = MEVT_F_LONG | entries[i].Size;
BYTE *p = reinterpret_cast<BYTE*>(notes + base + 3);
for (DWORD j = 0; j < count; ++j) {
p[j] = entries[i].Data[j];
}
for (DWORD k = count; k < 12; ++k) {
p[k] = 0;
}
command = notes[base+3];
com2 = notes[base+4];
size = 3 + ((count + 3) / 4);
}
// printf("%4d: %4d %4d %4d %8X %8X %d %d\n", i, entries[i].Time, notes[base+0], entries[i].Duration, command, com2, count, base);
prevTime = entries[i].Time;
base += size;
}
for (DWORD i = 0; i < 16; ++i) {
for (DWORD j = 0; j < 128; ++j) {
if (notesOn[i][j]) {
printf(" BAD NOTE [%d][%d]\n", i, j);
notes[base+0] = (entries[i].Time - prevTime) * 3;
notes[base+1] = 0;
BYTE *p = reinterpret_cast<BYTE*>(notes + base + 2);
p[0] = 0x80 | BYTE(i);
p[1] = BYTE(j);
p[2] = 0;
p[3] = 0;
base += 3;
}
}
}
fclose(pLog);
/*
for (DWORD q= 0; q < 400; ++q) {
char foo[64];
sprintf(foo, "%08X\n", notes[q]);
OutputDebugString(foo);
}
*/
WriteEventsToMidi(filename, notes, base);
// DumpEvents(notes, base);
// PlayEvents(notes, base);
/*
MMRESULT result;
result = midiStreamOpen(&hStream, &deviceID, 1, UINT_PTR(MidiOutProc), 0, CALLBACK_FUNCTION);
MIDIPROPTIMEDIV prop;
prop.cbStruct = sizeof(MIDIPROPTIMEDIV);
prop.dwTimeDiv = 192;
result = midiStreamProperty(hStream, (LPBYTE)&prop, MIDIPROP_SET|MIDIPROP_TIMEDIV);
tempo = 250000;
MIDIPROPTEMPO propTempo;
propTempo.cbStruct = sizeof(MIDIPROPTEMPO);
propTempo.dwTempo = tempo;
result = midiStreamProperty(hStream, (LPBYTE)&propTempo, MIDIPROP_SET|MIDIPROP_TEMPO);
m_MidiHeader.lpData = (char*)pTrack;
m_MidiHeader.dwBufferLength = trackLength;
m_MidiHeader.dwBytesRecorded = trackLength;
m_MidiHeader.dwFlags = 0;
m_MidiHeader.lpData = (LPSTR)notes;
m_MidiHeader.dwBufferLength = m_MidiHeader.dwBytesRecorded = base * 4;
result = midiOutPrepareHeader((HMIDIOUT)hStream, &m_MidiHeader, sizeof(m_MidiHeader));
result = midiOutSetVolume((HMIDIOUT)hStream, 0x80008000);
result = midiStreamOut(hStream, &m_MidiHeader, sizeof(m_MidiHeader));
result = midiStreamRestart(hStream);
// Sleep(10000);
// result = midiOutSetVolume((HMIDIOUT)hStream, 0x80008000);
// Sleep(20000);
getch();
result = midiOutUnprepareHeader((HMIDIOUT)hStream, &m_MidiHeader, sizeof(m_MidiHeader));
midiStreamClose(hStream);
*/
}
/////////////////////////////////////////////////////////////////////////////
//
// PlayEvents()
//
void CwaMidiPlayer::PlayEvents(DWORD notes[], DWORD wordCount)
{
MMRESULT result;
HMIDISTRM hStream = 0;
UINT deviceID = 0;