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tildearrow 2024-08-24 17:41:41 -05:00
parent c06759b235
commit 0ab9f6c6fd
8 changed files with 163 additions and 239 deletions
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8
src/engine/engine.cpp
View file

@ -203,11 +203,9 @@ void DivEngine::walkSong(int& loopOrder, int& loopRow, int& loopEnd) {
}
}
void DivEngine::findSongLength(int loopOrder, int loopRow, double fadeoutLen, int& rowsForFadeout, bool& hasFFxx, std::vector<int>& orders, int& length)
{
if (curSubSong!=NULL)
{
curSubSong->findLength(loopOrder, loopRow, fadeoutLen, rowsForFadeout, hasFFxx, orders, song.grooves, length, chans, song.jumpTreatment, song.ignoreJumpAtEnd);
void DivEngine::findSongLength(int loopOrder, int loopRow, double fadeoutLen, int& rowsForFadeout, bool& hasFFxx, std::vector<int>& orders, int& length) {
if (curSubSong!=NULL) {
curSubSong->findLength(loopOrder,loopRow,fadeoutLen,rowsForFadeout,hasFFxx,orders,song.grooves,length,chans,song.jumpTreatment,song.ignoreJumpAtEnd);
}
}

10
src/engine/engine.h
View file

@ -475,7 +475,7 @@ class DivEngine {
int midiOutTimeRate;
float midiVolExp;
int softLockCount;
int subticks, ticks, curRow, curOrder, prevRow, prevOrder, remainingLoops, totalLoops, lastLoopPos, exportLoopCount, curExportChan /*for per-channel export progress*/, nextSpeed, elapsedBars, elapsedBeats, curSpeed;
int subticks, ticks, curRow, curOrder, prevRow, prevOrder, remainingLoops, totalLoops, lastLoopPos, exportLoopCount, curExportChan, nextSpeed, elapsedBars, elapsedBeats, curSpeed;
size_t curSubSongIndex;
size_t bufferPos;
double divider;
@ -1015,19 +1015,19 @@ class DivEngine {
// get how many loops is left
void getLoopsLeft(int& loops);
//get how many loops in total export needs to do
// get how many loops in total export needs to do
void getTotalLoops(int& loops);
// get current position in song
void getCurSongPos(int& row, int& order);
//get how many files export needs to create
// get how many files export needs to create
void getTotalAudioFiles(int& files);
//get which file is processed right now (progress for e.g. per-channel export)
// get which file is processed right now (progress for e.g. per-channel export)
void getCurFileIndex(int& file);
//get fadeout state
// get fadeout state
bool getIsFadingOut();
// add instrument

15
src/engine/platform/sound/snes/SPC_DSP.cpp
View file

@ -135,19 +135,12 @@ static short const gauss [512] =
1299,1300,1300,1301,1302,1302,1303,1303,1303,1304,1304,1304,1304,1304,1305,1305,
};
void SPC_DSP::setupInterpolation(bool interpolate)
{
for(int i = 0; i < voice_count; i++)
{
m.voices[i].interpolate = interpolate;
}
}
void SPC_DSP::setupInterpolation(bool interpolate){for(int i=0;i<voice_count;i++){m.voices[i].interpolate=interpolate;}}
inline int SPC_DSP::interpolate( voice_t const* v )
{
// Make pointers into gaussian based on fractional position between samples
if(v->interpolate)
{
if (v->interpolate) {
int offset = v->interp_pos >> 4 & 0xFF;
short const* fwd = gauss + 255 - offset;
short const* rev = gauss + offset; // mirror left half of gaussian
@ -163,9 +156,7 @@ inline int SPC_DSP::interpolate( voice_t const* v )
CLAMP16( out );
out &= ~1;
return out;
}
else
{
} else {
return v->buf [(v->interp_pos >> 12) + v->buf_pos]; //Furnace addition -- no interpolation
}
}

150
src/engine/song.cpp
View file

@ -102,9 +102,8 @@ bool DivSubSong::walk(int& loopOrder, int& loopRow, int& loopEnd, int chans, int
return false;
}
double calcRowLenInSeconds(const DivGroovePattern& speeds, float hz, int vN, int vD, int timeBaseFromSong)
{
double hl=1; //count for 1 row
double calcRowLenInSeconds(const DivGroovePattern& speeds, float hz, int vN, int vD, int timeBaseFromSong) {
double hl=1; //count for 1 row
if (hl<=0.0) hl=4.0;
double timeBase=timeBaseFromSong+1;
double speedSum=0;
@ -115,25 +114,23 @@ double calcRowLenInSeconds(const DivGroovePattern& speeds, float hz, int vN, int
if (timeBase<1.0) timeBase=1.0;
if (speedSum<1.0) speedSum=1.0;
if (vD<1) vD=1;
//return (60.0 * hz / (timeBase * hl * speedSum)) * (double)vN / (double)vD;
return 1.0 / ((60.0*hz/(timeBase*hl*speedSum))*(double)vN/(double)vD / 60.0);
return 1.0/((60.0*hz/(timeBase*hl*speedSum))*(double)vN/(double)vD/60.0);
}
void DivSubSong::findLength(int loopOrder, int loopRow, double fadeoutLen, int& rowsForFadeout, bool& hasFFxx, std::vector<int>& orders_vec, std::vector<DivGroovePattern>& grooves, int& length, int chans, int jumpTreatment, int ignoreJumpAtEnd, int firstPat)
{
length = 0;
hasFFxx = false;
rowsForFadeout = 0;
void DivSubSong::findLength(int loopOrder, int loopRow, double fadeoutLen, int& rowsForFadeout, bool& hasFFxx, std::vector<int>& orders_vec, std::vector<DivGroovePattern>& grooves, int& length, int chans, int jumpTreatment, int ignoreJumpAtEnd, int firstPat) {
length=0;
hasFFxx=false;
rowsForFadeout=0;
float secondsPerThisRow = 0.0f;
float secondsPerThisRow=0.0f;
DivGroovePattern curSpeeds = speeds; //simulate that we are playing the song, track all speed/BPM/tempo/engine rate changes
short curVirtualTempoN = virtualTempoN;
short curVirtualTempoD = virtualTempoD;
float curHz = hz;
double curDivider = (double)timeBase;
DivGroovePattern curSpeeds=speeds; //simulate that we are playing the song, track all speed/BPM/tempo/engine rate changes
short curVirtualTempoN=virtualTempoN;
short curVirtualTempoD=virtualTempoD;
float curHz=hz;
double curDivider=(double)timeBase;
double curLen = 0.0; //how many seconds passed since the start of song
double curLen=0.0; //how many seconds passed since the start of song
int nextOrder=-1;
int nextRow=0;
@ -145,49 +142,39 @@ void DivSubSong::findLength(int loopOrder, int loopRow, double fadeoutLen, int&
if (firstPat>0) {
memset(wsWalked,255,32*firstPat);
}
for (int i=firstPat; i<ordersLen; i++)
{
bool jumped = false;
for (int i=firstPat; i<ordersLen; i++) {
bool jumped=false;
for (int j=0; j<chans; j++)
{
for (int j=0; j<chans; j++) {
subPat[j]=pat[j].getPattern(orders.ord[j][i],false);
}
if (i>lastSuspectedLoopEnd)
{
if (i>lastSuspectedLoopEnd) {
lastSuspectedLoopEnd=i;
}
for (int j=nextRow; j<patLen; j++)
{
for (int j=nextRow; j<patLen; j++) {
nextRow=0;
bool changingOrder=false;
bool jumpingOrder=false;
if (wsWalked[((i<<5)+(j>>3))&8191]&(1<<(j&7)))
{
if (wsWalked[((i<<5)+(j>>3))&8191]&(1<<(j&7))) {
return;
}
for (int k=0; k<chans; k++)
{
for (int l=0; l<pat[k].effectCols; l++)
{
for (int k=0; k<chans; k++) {
for (int l=0; l<pat[k].effectCols; l++) {
effectVal=subPat[k]->data[j][5+(l<<1)];
if (effectVal<0) effectVal=0;
if (subPat[k]->data[j][4+(l<<1)]==0xff)
{
hasFFxx = true;
if (subPat[k]->data[j][4+(l<<1)]==0xff) {
hasFFxx=true;
//FFxx makes YOU SHALL NOT PASS!!! move
orders_vec.push_back(j + 1); //order len
length += j + 1; //add length of order to song length
// FFxx makes YOU SHALL NOT PASS!!! move
orders_vec.push_back(j+1); // order len
length+=j+1; // add length of order to song length
return;
}
switch(subPat[k]->data[j][4+(l<<1)]) //track speed/BMP/Hz/tempo changes
{
case 0x09: // select groove pattern/speed 1
{
switch (subPat[k]->data[j][4+(l<<1)]) {
case 0x09: { // select groove pattern/speed 1
if (grooves.empty()) {
if (effectVal>0) curSpeeds.val[0]=effectVal;
} else {
@ -198,8 +185,7 @@ void DivSubSong::findLength(int loopOrder, int loopRow, double fadeoutLen, int&
}
break;
}
case 0x0f: // speed 1/speed 2
{
case 0x0f: { // speed 1/speed 2
if (curSpeeds.len==2 && grooves.empty()) {
if (effectVal>0) curSpeeds.val[1]=effectVal;
} else {
@ -207,68 +193,47 @@ void DivSubSong::findLength(int loopOrder, int loopRow, double fadeoutLen, int&
}
break;
}
case 0xfd: // virtual tempo num
{
case 0xfd: { // virtual tempo num
if (effectVal>0) curVirtualTempoN=effectVal;
break;
}
case 0xfe: // virtual tempo den
{
case 0xfe: { // virtual tempo den
if (effectVal>0) curVirtualTempoD=effectVal;
break;
}
case 0xf0: // set Hz by tempo (set bpm)
{
case 0xf0: { // set Hz by tempo (set bpm)
curDivider=(double)effectVal*2.0/5.0;
if (curDivider<1) curDivider=1;
//cycles=got.rate*pow(2,MASTER_CLOCK_PREC)/divider;
//clockDrift=0;
//subticks=0;
break;
}
default: break;
}
if (subPat[k]->data[j][4+(l<<1)]==0x0d)
{
if (jumpTreatment==2)
{
if ((i<ordersLen-1 || !ignoreJumpAtEnd))
{
if (subPat[k]->data[j][4+(l<<1)]==0x0d) {
if (jumpTreatment==2) {
if ((i<ordersLen-1 || !ignoreJumpAtEnd)) {
nextOrder=i+1;
nextRow=effectVal;
jumpingOrder=true;
}
}
else if (jumpTreatment==1)
{
if (nextOrder==-1 && (i<ordersLen-1 || !ignoreJumpAtEnd))
{
} else if (jumpTreatment==1) {
if (nextOrder==-1 && (i<ordersLen-1 || !ignoreJumpAtEnd)) {
nextOrder=i+1;
nextRow=effectVal;
jumpingOrder=true;
}
}
else
{
if ((i<ordersLen-1 || !ignoreJumpAtEnd))
{
if (!changingOrder)
{
} else {
if ((i<ordersLen-1 || !ignoreJumpAtEnd)) {
if (!changingOrder) {
nextOrder=i+1;
}
jumpingOrder=true;
nextRow=effectVal;
}
}
}
else if (subPat[k]->data[j][4+(l<<1)]==0x0b)
{
if (nextOrder==-1 || jumpTreatment==0)
{
} else if (subPat[k]->data[j][4+(l<<1)]==0x0b) {
if (nextOrder==-1 || jumpTreatment==0) {
nextOrder=effectVal;
if (jumpTreatment==1 || jumpTreatment==2 || !jumpingOrder)
{
if (jumpTreatment==1 || jumpTreatment==2 || !jumpingOrder) {
nextRow=0;
}
changingOrder=true;
@ -277,32 +242,29 @@ void DivSubSong::findLength(int loopOrder, int loopRow, double fadeoutLen, int&
}
}
if(i > loopOrder || (i == loopOrder && j > loopRow))
{
if(curLen <= fadeoutLen && fadeoutLen > 0.0) //we count each row fadeout lasts. When our time is greater than fadeout length we successfully counted the number of fadeout rows
{
secondsPerThisRow = calcRowLenInSeconds(speeds, curHz, curVirtualTempoN, curVirtualTempoD, curDivider);
curLen += secondsPerThisRow;
if (i>loopOrder || (i==loopOrder && j>loopRow)) {
// we count each row fadeout lasts. When our time is greater than fadeout length we successfully counted the number of fadeout rows
if (curLen<=fadeoutLen && fadeoutLen>0.0) {
secondsPerThisRow=calcRowLenInSeconds(speeds,curHz,curVirtualTempoN,curVirtualTempoD,curDivider);
curLen+=secondsPerThisRow;
rowsForFadeout++;
}
}
wsWalked[((i<<5)+(j>>3))&8191]|=1<<(j&7);
if (nextOrder!=-1)
{
if (nextOrder!=-1) {
i=nextOrder-1;
orders_vec.push_back(j + 1); //order len
length += j + 1; //add length of order to song length
jumped = true;
orders_vec.push_back(j+1); // order len
length+=j+1; // add length of order to song length
jumped=true;
nextOrder=-1;
break;
}
}
if(!jumped) //if no jump occured we add full pattern length
{
orders_vec.push_back(patLen); //order len
length += patLen; //add length of order to song length
if (!jumped) { // if no jump occured we add full pattern length
orders_vec.push_back(patLen); // order len
length+=patLen; // add length of order to song length
}
}
}

2
src/engine/song.h
View file

@ -186,7 +186,7 @@ struct DivSubSong {
bool walk(int& loopOrder, int& loopRow, int& loopEnd, int chans, int jumpTreatment, int ignoreJumpAtEnd, int firstPat=0);
/**
* find song length in rows (up to specified loop point). Also find length of every row
* find song length in rows (up to specified loop point).
*/
void findLength(int loopOrder, int loopRow, double fadeoutLen, int& rowsForFadeout, bool& hasFFxx, std::vector<int>& orders, std::vector<DivGroovePattern>& grooves, int& length, int chans, int jumpTreatment, int ignoreJumpAtEnd, int firstPat=0);

83
src/engine/wavOps.cpp
View file

@ -33,79 +33,70 @@ bool DivEngine::isExporting() {
return exporting;
}
void DivEngine::getLoopsLeft(int& loops) {
if(totalLoops < 0 || exportLoopCount == 0)
{
loops = 0;
void DivEngine::getLoopsLeft(int &loops) {
if (totalLoops<0 || exportLoopCount==0) {
loops=0;
return;
}
loops = exportLoopCount - 1 - totalLoops;
loops=exportLoopCount-1-totalLoops;
}
void DivEngine::getTotalLoops(int& loops) {
loops = exportLoopCount - 1;
void DivEngine::getTotalLoops(int &loops) {
loops=exportLoopCount-1;
}
void DivEngine::getCurSongPos(int& row, int& order) {
row = curRow;
order = curOrder;
void DivEngine::getCurSongPos(int &row, int &order) {
row=curRow;
order=curOrder;
}
void DivEngine::getTotalAudioFiles(int& files)
{
files = 0;
void DivEngine::getTotalAudioFiles(int &files) {
files=0;
switch(exportMode)
{
case DIV_EXPORT_MODE_ONE:
{
files = 1;
switch (exportMode) {
case DIV_EXPORT_MODE_ONE: {
files=1;
break;
}
case DIV_EXPORT_MODE_MANY_SYS:
{
files = 1; //there actually are several files but they are processed in the same loop, so to correctly draw progress we think of them as one file
case DIV_EXPORT_MODE_MANY_SYS: {
files=1; // there actually are several files but they are processed in the same loop, so to correctly draw progress we think of them as one file
break;
}
case DIV_EXPORT_MODE_MANY_CHAN:
{
for(int i = 0; i < chans; i++)
{
if (exportChannelMask[i]) files++;
case DIV_EXPORT_MODE_MANY_CHAN: {
for (int i=0; i<chans; i++) {
if (exportChannelMask[i]) {
files++;
}
}
break;
}
default: break;
default:
break;
}
}
void DivEngine::getCurFileIndex(int& file)
{
file = 0;
void DivEngine::getCurFileIndex(int &file) {
file=0;
switch(exportMode)
{
case DIV_EXPORT_MODE_ONE:
{
file = 0;
switch (exportMode) {
case DIV_EXPORT_MODE_ONE: {
file=0;
break;
}
case DIV_EXPORT_MODE_MANY_SYS:
{
file = 0; //there actually are several files but they are processed in the same loop, so to correctly draw progress we think of them as one file
case DIV_EXPORT_MODE_MANY_SYS: {
file=0; // there actually are several files but they are processed in the same loop, so to correctly draw progress we think of them as one file
break;
}
case DIV_EXPORT_MODE_MANY_CHAN:
{
file = curExportChan;
case DIV_EXPORT_MODE_MANY_CHAN: {
file=curExportChan;
break;
}
default: break;
default:
break;
}
}
bool DivEngine::getIsFadingOut()
{
bool DivEngine::getIsFadingOut() {
return isFadingOut;
}
@ -327,7 +318,7 @@ void DivEngine::runExportThread() {
// take control of audio output
deinitAudioBackend();
curExportChan = 0;
curExportChan=0;
float* outBuf[DIV_MAX_OUTPUTS];
float* outBufFinal;
@ -463,7 +454,7 @@ void DivEngine::runExportThread() {
}
logI("done!");
exporting=false;
curExportChan = 0;
curExportChan=0;
break;
}
}

120
src/gui/gui.cpp
View file

@ -2589,34 +2589,32 @@ void FurnaceGUI::exportAudio(String path, DivAudioExportModes mode) {
int loopEnd=0;
e->walkSong(loopOrder,loopRow,loopEnd);
e->findSongLength(loopOrder, loopRow, audioExportOptions.fadeOut, songFadeoutSectionLength, songHasSongEndCommand, songOrdersLengths, songLength); //for progress estimation
e->findSongLength(loopOrder,loopRow,audioExportOptions.fadeOut,songFadeoutSectionLength,songHasSongEndCommand,songOrdersLengths,songLength); // for progress estimation
songLoopedSectionLength = songLength;
for(int i = 0; i < loopOrder; i++)
{
songLoopedSectionLength -= songOrdersLengths[i];
songLoopedSectionLength=songLength;
for (int i=0; i<loopOrder; i++) {
songLoopedSectionLength-=songOrdersLengths[i];
}
songLoopedSectionLength -= loopRow;
songLoopedSectionLength-=loopRow;
e->saveAudio(path.c_str(),audioExportOptions);
totalFiles = 0;
totalFiles=0;
e->getTotalAudioFiles(totalFiles);
int totalLoops = 0;
int totalLoops=0;
lengthOfOneFile = songLength;
lengthOfOneFile=songLength;
if(!songHasSongEndCommand)
{
if (!songHasSongEndCommand) {
e->getTotalLoops(totalLoops);
lengthOfOneFile += songLoopedSectionLength * totalLoops;
lengthOfOneFile += songFadeoutSectionLength; //account for fadeout
lengthOfOneFile+=songLoopedSectionLength*totalLoops;
lengthOfOneFile+=songFadeoutSectionLength; // account for fadeout
}
totalLength = lengthOfOneFile * totalFiles;
totalLength=lengthOfOneFile*totalFiles;
curProgress = 0.0f;
curProgress=0.0f;
displayExporting=true;
}
@ -5861,69 +5859,53 @@ bool FurnaceGUI::loop() {
MEASURE_BEGIN(popup);
centerNextWindow(_("Rendering..."),canvasW,canvasH);
if (ImGui::BeginPopupModal(_("Rendering..."),NULL,ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove)) {
if (ImGui::BeginPopupModal(_("Rendering..."),NULL,ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoMove)) {
// WHAT the HELL?!
WAKE_UP;
if(audioExportOptions.mode != DIV_EXPORT_MODE_MANY_CHAN)
{
if (audioExportOptions.mode!=DIV_EXPORT_MODE_MANY_CHAN) {
ImGui::Text(_("Please wait..."));
}
float* progressLambda = &curProgress;
int curPosInRows = 0;
int* curPosInRowsLambda = &curPosInRows;
int loopsLeft = 0;
int* loopsLeftLambda = &loopsLeft;
int totalLoops = 0;
int* totalLoopsLambda = &totalLoops;
int curFile = 0;
int* curFileLambda = &curFile;
if(e->isExporting())
{
e->lockEngine([this, progressLambda, curPosInRowsLambda, curFileLambda, loopsLeftLambda, totalLoopsLambda]()
{
int curRow = 0;
int curOrder = 0;
e->getCurSongPos(curRow, curOrder);
*curFileLambda = 0;
e->getCurFileIndex(*curFileLambda);
float* progressLambda=&curProgress;
int curPosInRows=0;
int* curPosInRowsLambda=&curPosInRows;
int loopsLeft=0;
int* loopsLeftLambda=&loopsLeft;
int totalLoops=0;
int* totalLoopsLambda=&totalLoops;
int curFile=0;
int* curFileLambda=&curFile;
if (e->isExporting()) {
e->lockEngine([this, progressLambda, curPosInRowsLambda, curFileLambda,
loopsLeftLambda, totalLoopsLambda] () {
int curRow=0; int curOrder=0;
e->getCurSongPos(curRow, curOrder); *curFileLambda=0;
e->getCurFileIndex(*curFileLambda);
*curPosInRowsLambda=curRow; for (int i=0; i<curOrder;
i++) {
*curPosInRowsLambda+=songOrdersLengths[i];}
*curPosInRowsLambda = curRow;
for(int i = 0; i < curOrder; i++)
{
*curPosInRowsLambda += songOrdersLengths[i];
}
if(!songHasSongEndCommand)
{
e->getLoopsLeft(*loopsLeftLambda);
e->getTotalLoops(*totalLoopsLambda);
if((*totalLoopsLambda) != (*loopsLeftLambda)) //we are going 2nd, 3rd, etc. time through the song
{
*curPosInRowsLambda -= (songLength - songLoopedSectionLength); //a hack so progress bar does not jump?
}
if(e->getIsFadingOut()) //we are in fadeout??? why it works like that bruh
{
*curPosInRowsLambda -= (songLength - songLoopedSectionLength); //a hack so progress bar does not jump?
}
}
*progressLambda = (float)((*curPosInRowsLambda) +
((*totalLoopsLambda) - (*loopsLeftLambda)) * songLength +
lengthOfOneFile * (*curFileLambda))
/ (float)totalLength;
});
if (!songHasSongEndCommand) {
e->getLoopsLeft(*loopsLeftLambda); e->getTotalLoops(*totalLoopsLambda); if ((*totalLoopsLambda)!=(*loopsLeftLambda)) //we are going 2nd, 3rd, etc. time through the song
{
*curPosInRowsLambda-=(songLength-songLoopedSectionLength); //a hack so progress bar does not jump?
}
if (e->getIsFadingOut()) //we are in fadeout??? why it works like that bruh
{
// LIVE WITH IT damn it
*curPosInRowsLambda-=(songLength-songLoopedSectionLength); //a hack so progress bar does not jump?
}
}
// this horrible indentation courtesy of `indent`
*progressLambda=(float) ((*curPosInRowsLambda) + ((*totalLoopsLambda)- (*loopsLeftLambda)) * songLength + lengthOfOneFile * (*curFileLambda)) / (float) totalLength;});
}
ImGui::Text(_("Row %d of %d"), curPosInRows +
((totalLoops) - (loopsLeft)) * songLength, lengthOfOneFile);
ImGui::Text(_("Row %d of %d"),curPosInRows+((totalLoops)-(loopsLeft))*songLength,lengthOfOneFile);
if(audioExportOptions.mode == DIV_EXPORT_MODE_MANY_CHAN)
{
ImGui::Text(_("Channel %d of %d"), curFile + 1, totalFiles);
if (audioExportOptions.mode==DIV_EXPORT_MODE_MANY_CHAN) {
ImGui::Text(_("Channel %d of %d"),curFile+1,totalFiles);
}
ImGui::ProgressBar(curProgress,ImVec2(320.0f*dpiScale,0), fmt::sprintf("%.2f%%", curProgress * 100.0f).c_str());
ImGui::ProgressBar(curProgress,ImVec2(320.0f*dpiScale,0),fmt::sprintf("%.2f%%",curProgress*100.0f).c_str());
if (ImGui::Button(_("Abort"))) {
if (e->haltAudioFile()) {

14
src/gui/gui.h
View file

@ -1723,13 +1723,13 @@ class FurnaceGUI {
char emptyLabel[32];
char emptyLabel2[32];
std::vector<int> songOrdersLengths; //lengths of all orders (for drawing song export progress)
int songLength; //length of all the song in rows
int songLoopedSectionLength; //length of looped part of the song
int songFadeoutSectionLength; //length of fading part of the song
bool songHasSongEndCommand; //song has "Song end" command (FFxx)
int lengthOfOneFile; //length of one rendering pass. song length times num of loops + fadeout
int totalLength; //total length of render (lengthOfOneFile times num of files for per-channel export)
std::vector<int> songOrdersLengths; // lengths of all orders (for drawing song export progress)
int songLength; // length of all the song in rows
int songLoopedSectionLength; // length of looped part of the song
int songFadeoutSectionLength; // length of fading part of the song
bool songHasSongEndCommand; // song has "Song end" command (FFxx)
int lengthOfOneFile; // length of one rendering pass. song length times num of loops + fadeout
int totalLength; // total length of render (lengthOfOneFile times num of files for per-channel export)
float curProgress;
int totalFiles;