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volume changes

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as of now the master volume is 1.0x (it was 2.0x before)
NES has also been amplified.
these changes should not affect older songs.
This commit is contained in:
tildearrow 2022-02-24 17:56:19 -05:00
parent 82c8b97d9c
commit 4b6d9adcb9
7 changed files with 36 additions and 10 deletions
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4
src/engine/engine.h
View file

@ -37,8 +37,8 @@
warnings+=(String("\n")+x); \
}
#define DIV_VERSION "dev58"
#define DIV_ENGINE_VERSION 58
#define DIV_VERSION "dev59"
#define DIV_ENGINE_VERSION 59
enum DivStatusView {
DIV_STATUS_NOTHING=0,

15
src/engine/fileOps.cpp
View file

@ -841,7 +841,12 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
if (tchans>DIV_MAX_CHANS) tchans=DIV_MAX_CHANS;
// system volume
for (int i=0; i<32; i++) ds.systemVol[i]=reader.readC();
for (int i=0; i<32; i++) {
ds.systemVol[i]=reader.readC();
if (ds.version<59 && ds.system[i]==DIV_SYSTEM_NES) {
ds.systemVol[i]/=4;
}
}
// system panning
for (int i=0; i<32; i++) ds.systemPan[i]=reader.readC();
@ -999,6 +1004,12 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
ds.notes=reader.readString();
}
if (ds.version>=59) {
ds.masterVol=reader.readF();
} else {
ds.masterVol=2.0f;
}
// read instruments
for (int i=0; i<ds.insLen; i++) {
DivInstrument* ins=new DivInstrument;
@ -1444,6 +1455,8 @@ SafeWriter* DivEngine::saveFur() {
w->writeString(song.notes,false);
w->writeF(song.masterVol);
/// INSTRUMENT
for (int i=0; i<song.insLen; i++) {
DivInstrument* ins=song.ins[i];

5
src/engine/platform/nes.cpp
View file

@ -99,7 +99,10 @@ void DivPlatformNES::acquire(short* bufL, short* bufR, size_t start, size_t len)
if (nes->apu.clocked) {
nes->apu.clocked=false;
}
bufL[i]=(pulse_output(nes)+tnd_output(nes))*30;
int sample=(pulse_output(nes)+tnd_output(nes)-128)<<7;
if (sample>32767) sample=32767;
if (sample<-32768) sample=-32768;
bufL[i]=sample;
}
}

12
src/engine/playback.cpp
View file

@ -1294,17 +1294,17 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
}
for (int i=0; i<song.systemLen; i++) {
float volL=((float)song.systemVol[i]/64.0f)*((float)MIN(127,127-(int)song.systemPan[i])/127.0f);
float volR=((float)song.systemVol[i]/64.0f)*((float)MIN(127,127+(int)song.systemPan[i])/127.0f);
float volL=((float)song.systemVol[i]/64.0f)*((float)MIN(127,127-(int)song.systemPan[i])/127.0f)*song.masterVol;
float volR=((float)song.systemVol[i]/64.0f)*((float)MIN(127,127+(int)song.systemPan[i])/127.0f)*song.masterVol;
if (disCont[i].dispatch->isStereo()) {
for (size_t j=0; j<size; j++) {
out[0][j]+=((float)disCont[i].bbOut[0][j]/16384.0)*volL;
out[1][j]+=((float)disCont[i].bbOut[1][j]/16384.0)*volR;
out[0][j]+=((float)disCont[i].bbOut[0][j]/32768.0)*volL;
out[1][j]+=((float)disCont[i].bbOut[1][j]/32768.0)*volR;
}
} else {
for (size_t j=0; j<size; j++) {
out[0][j]+=((float)disCont[i].bbOut[0][j]/16384.0)*volL;
out[1][j]+=((float)disCont[i].bbOut[0][j]/16384.0)*volR;
out[0][j]+=((float)disCont[i].bbOut[0][j]/32768.0)*volL;
out[1][j]+=((float)disCont[i].bbOut[0][j]/32768.0)*volR;
}
}
}

2
src/engine/song.h
View file

@ -241,6 +241,7 @@ struct DivSong {
bool pal;
bool customTempo;
int hz, patLen, ordersLen, insLen, waveLen, sampleLen;
float masterVol;
float tuning;
// compatibility flags
@ -308,6 +309,7 @@ struct DivSong {
insLen(0),
waveLen(0),
sampleLen(0),
masterVol(1.0f),
tuning(440.0f),
limitSlides(false),
linearPitch(true),