ref: 92084cd0d35baae2154e9d8ea64dd50cf6152dd4
dir: /src/ft2_sample_ed_features.c/
/* This file contains the routines for the following sample editor functions:
** - Resampler
** - Echo
** - Mix
** - Volume
**/
// for finding memory leaks in debug mode with Visual Studio
#if defined _DEBUG && defined _MSC_VER
#include <crtdbg.h>
#endif
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <math.h>
#include "ft2_header.h"
#include "ft2_mouse.h"
#include "ft2_audio.h"
#include "ft2_gui.h"
#include "ft2_events.h"
#include "ft2_video.h"
#include "ft2_inst_ed.h"
#include "ft2_sample_ed.h"
#include "ft2_keyboard.h"
#include "ft2_tables.h"
#include "ft2_structs.h"
static volatile bool stopThread;
static int8_t smpEd_RelReSmp, mix_Balance = 50;
static bool echo_AddMemory, exitFlag, outOfMemory;
static int16_t echo_nEcho = 1, echo_VolChange = 30;
static int32_t echo_Distance = 0x100;
static double dVol_StartVol = 100.0, dVol_EndVol = 100.0;
static SDL_Thread *thread;
static void pbExit(void)
{
ui.sysReqShown = false;
exitFlag = true;
}
static void windowOpen(void)
{
ui.sysReqShown = true;
ui.sysReqEnterPressed = false;
unstuckLastUsedGUIElement();
SDL_EventState(SDL_DROPFILE, SDL_DISABLE);
}
static void windowClose(bool rewriteSample)
{
SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
if (exitFlag || rewriteSample)
writeSample(true);
else
updateNewSample();
mouseAnimOff();
}
static void sbSetResampleTones(uint32_t pos)
{
if (smpEd_RelReSmp != (int8_t)(pos - 36))
smpEd_RelReSmp = (int8_t)(pos - 36);
}
static void pbResampleTonesDown(void)
{
if (smpEd_RelReSmp > -36)
smpEd_RelReSmp--;
}
static void pbResampleTonesUp(void)
{
if (smpEd_RelReSmp < 36)
smpEd_RelReSmp++;
}
static int32_t SDLCALL resampleThread(void *ptr)
{
smpPtr_t sp;
if (instr[editor.curInstr] == NULL)
return true;
sample_t *s = &instr[editor.curInstr]->smp[editor.curSmp];
bool sample16Bit = !!(s->flags & SAMPLE_16BIT);
const double dRatio = exp2((int32_t)smpEd_RelReSmp / 12.0);
double dNewLen = s->length * dRatio;
if (dNewLen > (double)MAX_SAMPLE_LEN)
dNewLen = (double)MAX_SAMPLE_LEN;
const uint32_t newLen = (int32_t)floor(dNewLen);
if (!allocateSmpDataPtr(&sp, newLen, sample16Bit))
{
outOfMemory = true;
setMouseBusy(false);
ui.sysReqShown = false;
return true;
}
int8_t *dst = sp.ptr;
int8_t *src = s->dataPtr;
// 32.32 fixed-point logic
const uint64_t delta64 = (const uint64_t)round((UINT32_MAX+1.0) / dRatio);
uint64_t posFrac64 = 0;
pauseAudio();
unfixSample(s);
/* Nearest-neighbor resampling (no interpolation).
**
** Could benefit from windowed-sinc interpolation,
** but it seems like some people prefer no resampling
** interpolation (like FT2).
*/
if (newLen > 0)
{
if (sample16Bit)
{
const int16_t *src16 = (const int16_t *)src;
int16_t *dst16 = (int16_t *)dst;
for (uint32_t i = 0; i < newLen; i++)
{
const uint32_t position = posFrac64 >> 32;
dst16[i] = src16[position];
posFrac64 += delta64;
}
}
else // 8-bit
{
const int8_t *src8 = src;
int8_t *dst8 = dst;
for (uint32_t i = 0; i < newLen; i++)
{
const uint32_t position = posFrac64 >> 32;
dst8[i] = src8[position];
posFrac64 += delta64;
}
}
}
freeSmpData(s);
setSmpDataPtr(s, &sp);
s->relativeNote += smpEd_RelReSmp;
s->length = newLen;
s->loopStart = (int32_t)(s->loopStart * dRatio);
s->loopLength = (int32_t)(s->loopLength * dRatio);
sanitizeSample(s);
fixSample(s);
resumeAudio();
setSongModifiedFlag();
setMouseBusy(false);
ui.sysReqShown = false;
return true;
(void)ptr;
}
static void pbDoResampling(void)
{
mouseAnimOn();
thread = SDL_CreateThread(resampleThread, NULL, NULL);
if (thread == NULL)
{
okBox(0, "System message", "Couldn't create thread!", NULL);
return;
}
SDL_DetachThread(thread);
}
static void drawResampleBox(void)
{
char sign;
const int16_t x = 209;
const int16_t y = 230;
const int16_t w = 214;
const int16_t h = 54;
// main fill
fillRect(x + 1, y + 1, w - 2, h - 2, PAL_BUTTONS);
// outer border
vLine(x, y, h - 1, PAL_BUTTON1);
hLine(x + 1, y, w - 2, PAL_BUTTON1);
vLine(x + w - 1, y, h, PAL_BUTTON2);
hLine(x, y + h - 1, w - 1, PAL_BUTTON2);
// inner border
vLine(x + 2, y + 2, h - 5, PAL_BUTTON2);
hLine(x + 3, y + 2, w - 6, PAL_BUTTON2);
vLine(x + w - 3, y + 2, h - 4, PAL_BUTTON1);
hLine(x + 2, y + h - 3, w - 4, PAL_BUTTON1);
sample_t *s = &instr[editor.curInstr]->smp[editor.curSmp];
double dLenMul = exp2(smpEd_RelReSmp * (1.0 / 12.0));
double dNewLen = s->length * dLenMul;
if (dNewLen > (double)MAX_SAMPLE_LEN)
dNewLen = (double)MAX_SAMPLE_LEN;
textOutShadow(215, 236, PAL_FORGRND, PAL_BUTTON2, "Rel. h.tones");
textOutShadow(215, 250, PAL_FORGRND, PAL_BUTTON2, "New sample size");
hexOut(361, 250, PAL_FORGRND, (int32_t)dNewLen, 8);
if (smpEd_RelReSmp == 0) sign = ' ';
else if (smpEd_RelReSmp < 0) sign = '-';
else sign = '+';
uint16_t val = ABS(smpEd_RelReSmp);
if (val > 9)
{
charOut(291, 236, PAL_FORGRND, sign);
charOut(298, 236, PAL_FORGRND, '0' + ((val / 10) % 10));
charOut(305, 236, PAL_FORGRND, '0' + (val % 10));
}
else
{
charOut(298, 236, PAL_FORGRND, sign);
charOut(305, 236, PAL_FORGRND, '0' + (val % 10));
}
}
static void setupResampleBoxWidgets(void)
{
pushButton_t *p;
scrollBar_t *s;
// "Apply" pushbutton
p = &pushButtons[0];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Apply";
p->x = 214;
p->y = 264;
p->w = 73;
p->h = 16;
p->callbackFuncOnUp = pbDoResampling;
p->visible = true;
// "Exit" pushbutton
p = &pushButtons[1];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Exit";
p->x = 345;
p->y = 264;
p->w = 73;
p->h = 16;
p->callbackFuncOnUp = pbExit;
p->visible = true;
// scrollbar buttons
p = &pushButtons[2];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 314;
p->y = 234;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbResampleTonesDown;
p->visible = true;
p = &pushButtons[3];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 395;
p->y = 234;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbResampleTonesUp;
p->visible = true;
// echo num scrollbar
s = &scrollBars[0];
memset(s, 0, sizeof (scrollBar_t));
s->x = 337;
s->y = 234;
s->w = 58;
s->h = 13;
s->callbackFunc = sbSetResampleTones;
s->visible = true;
setScrollBarPageLength(0, 1);
setScrollBarEnd(0, 36 * 2);
}
void pbSampleResample(void)
{
uint16_t i;
if (editor.curInstr == 0 ||
instr[editor.curInstr] == NULL ||
instr[editor.curInstr]->smp[editor.curSmp].dataPtr == NULL)
{
return;
}
setupResampleBoxWidgets();
windowOpen();
outOfMemory = false;
exitFlag = false;
while (ui.sysReqShown)
{
readInput();
if (ui.sysReqEnterPressed)
pbDoResampling();
setSyncedReplayerVars();
handleRedrawing();
drawResampleBox();
setScrollBarPos(0, smpEd_RelReSmp + 36, false);
drawCheckBox(0);
for (i = 0; i < 4; i++) drawPushButton(i);
drawScrollBar(0);
flipFrame();
}
for (i = 0; i < 4; i++) hidePushButton(i);
hideScrollBar(0);
windowClose(false);
if (outOfMemory)
okBox(0, "System message", "Not enough memory!", NULL);
}
static void cbEchoAddMemory(void)
{
echo_AddMemory ^= 1;
}
static void sbSetEchoNumPos(uint32_t pos)
{
if (echo_nEcho != (int32_t)pos)
echo_nEcho = (int16_t)pos;
}
static void sbSetEchoDistPos(uint32_t pos)
{
if (echo_Distance != (int32_t)pos)
echo_Distance = (int32_t)pos;
}
static void sbSetEchoFadeoutPos(uint32_t pos)
{
if (echo_VolChange != (int32_t)pos)
echo_VolChange = (int16_t)pos;
}
static void pbEchoNumDown(void)
{
if (echo_nEcho > 0)
echo_nEcho--;
}
static void pbEchoNumUp(void)
{
if (echo_nEcho < 64)
echo_nEcho++;
}
static void pbEchoDistDown(void)
{
if (echo_Distance > 0)
echo_Distance--;
}
static void pbEchoDistUp(void)
{
if (echo_Distance < 16384)
echo_Distance++;
}
static void pbEchoFadeoutDown(void)
{
if (echo_VolChange > 0)
echo_VolChange--;
}
static void pbEchoFadeoutUp(void)
{
if (echo_VolChange < 100)
echo_VolChange++;
}
static int32_t SDLCALL createEchoThread(void *ptr)
{
smpPtr_t sp;
if (echo_nEcho < 1)
{
ui.sysReqShown = false;
return true;
}
sample_t *s = &instr[editor.curInstr]->smp[editor.curSmp];
int32_t readLen = s->length;
int8_t *readPtr = s->dataPtr;
bool sample16Bit = !!(s->flags & SAMPLE_16BIT);
int32_t distance = echo_Distance * 16;
double dVolChange = echo_VolChange / 100.0;
// calculate real number of echoes
double dSmp = sample16Bit ? 32768.0 : 128.0;
int32_t k = 0;
while (k++ < echo_nEcho && dSmp >= 1.0)
dSmp *= dVolChange;
int32_t nEchoes = k + 1;
if (nEchoes < 1)
{
ui.sysReqShown = false;
return true;
}
// set write length (either original length or full echo length)
int32_t writeLen = readLen;
if (echo_AddMemory)
{
int64_t tmp64 = (int64_t)distance * (nEchoes - 1);
tmp64 += writeLen;
if (tmp64 > MAX_SAMPLE_LEN)
tmp64 = MAX_SAMPLE_LEN;
writeLen = (uint32_t)tmp64;
}
if (!allocateSmpDataPtr(&sp, writeLen, sample16Bit))
{
outOfMemory = true;
setMouseBusy(false);
ui.sysReqShown = false;
return false;
}
pauseAudio();
unfixSample(s);
int32_t writeIdx = 0;
if (sample16Bit)
{
const int16_t *readPtr16 = (const int16_t *)readPtr;
int16_t *writePtr16 = (int16_t *)sp.ptr;
while (writeIdx < writeLen)
{
double dSmpOut = 0.0;
double dSmpMul = 1.0;
int32_t echoRead = writeIdx;
int32_t echoCycle = nEchoes;
while (!stopThread)
{
if (echoRead < readLen)
dSmpOut += (int32_t)readPtr16[echoRead] * dSmpMul;
dSmpMul *= dVolChange;
echoRead -= distance;
if (echoRead <= 0 || --echoCycle <= 0)
break;
}
DROUND(dSmpOut);
int32_t smp32 = (int32_t)dSmpOut;
CLAMP16(smp32);
writePtr16[writeIdx++] = (int16_t)smp32;
}
}
else // 8-bit
{
int8_t *writePtr8 = sp.ptr;
while (writeIdx < writeLen)
{
double dSmpOut = 0.0;
double dSmpMul = 1.0;
int32_t echoRead = writeIdx;
int32_t echoCycle = nEchoes;
while (!stopThread)
{
if (echoRead < readLen)
dSmpOut += (int32_t)readPtr[echoRead] * dSmpMul;
dSmpMul *= dVolChange;
echoRead -= distance;
if (echoRead <= 0 || --echoCycle <= 0)
break;
}
DROUND(dSmpOut);
int32_t smp32 = (int32_t)dSmpOut;
CLAMP8(smp32);
writePtr8[writeIdx++] = (int8_t)smp32;
}
}
freeSmpData(s);
setSmpDataPtr(s, &sp);
if (stopThread) // we stopped before echo was done, realloc length
{
writeLen = writeIdx;
reallocateSmpData(s, writeLen, sample16Bit);
editor.updateCurSmp = true;
}
s->length = writeLen;
fixSample(s);
resumeAudio();
setSongModifiedFlag();
setMouseBusy(false);
ui.sysReqShown = false;
return true;
(void)ptr;
}
static void pbCreateEcho(void)
{
stopThread = false;
mouseAnimOn();
thread = SDL_CreateThread(createEchoThread, NULL, NULL);
if (thread == NULL)
{
okBox(0, "System message", "Couldn't create thread!", NULL);
return;
}
SDL_DetachThread(thread);
}
static void drawEchoBox(void)
{
const int16_t x = 171;
const int16_t y = 220;
const int16_t w = 291;
const int16_t h = 66;
// main fill
fillRect(x + 1, y + 1, w - 2, h - 2, PAL_BUTTONS);
// outer border
vLine(x, y, h - 1, PAL_BUTTON1);
hLine(x + 1, y, w - 2, PAL_BUTTON1);
vLine(x + w - 1, y, h, PAL_BUTTON2);
hLine(x, y + h - 1, w - 1, PAL_BUTTON2);
// inner border
vLine(x + 2, y + 2, h - 5, PAL_BUTTON2);
hLine(x + 3, y + 2, w - 6, PAL_BUTTON2);
vLine(x + w - 3, y + 2, h - 4, PAL_BUTTON1);
hLine(x + 2, y + h - 3, w - 4, PAL_BUTTON1);
textOutShadow(177, 226, PAL_FORGRND, PAL_BUTTON2, "Number of echoes");
textOutShadow(177, 240, PAL_FORGRND, PAL_BUTTON2, "Echo distance");
textOutShadow(177, 254, PAL_FORGRND, PAL_BUTTON2, "Fade out");
textOutShadow(192, 270, PAL_FORGRND, PAL_BUTTON2, "Add memory to sample");
assert(echo_nEcho <= 64);
charOut(315 + (2 * 7), 226, PAL_FORGRND, '0' + (char)(echo_nEcho / 10));
charOut(315 + (3 * 7), 226, PAL_FORGRND, '0' + (echo_nEcho % 10));
assert(echo_Distance <= 0x4000);
hexOut(308, 240, PAL_FORGRND, echo_Distance << 4, 5);
assert(echo_VolChange <= 100);
textOutFixed(312, 254, PAL_FORGRND, PAL_BUTTONS, dec3StrTab[echo_VolChange]);
charOutShadow(313 + (3 * 7), 254, PAL_FORGRND, PAL_BUTTON2, '%');
}
static void setupEchoBoxWidgets(void)
{
checkBox_t *c;
pushButton_t *p;
scrollBar_t *s;
// "Add memory to sample" checkbox
c = &checkBoxes[0];
memset(c, 0, sizeof (checkBox_t));
c->x = 176;
c->y = 268;
c->clickAreaWidth = 146;
c->clickAreaHeight = 12;
c->callbackFunc = cbEchoAddMemory;
c->checked = echo_AddMemory ? CHECKBOX_CHECKED : CHECKBOX_UNCHECKED;
c->visible = true;
// "Apply" pushbutton
p = &pushButtons[0];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Apply";
p->x = 345;
p->y = 266;
p->w = 56;
p->h = 16;
p->callbackFuncOnUp = pbCreateEcho;
p->visible = true;
// "Exit" pushbutton
p = &pushButtons[1];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Exit";
p->x = 402;
p->y = 266;
p->w = 55;
p->h = 16;
p->callbackFuncOnUp = pbExit;
p->visible = true;
// scrollbar buttons
p = &pushButtons[2];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 345;
p->y = 224;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbEchoNumDown;
p->visible = true;
p = &pushButtons[3];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 434;
p->y = 224;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbEchoNumUp;
p->visible = true;
p = &pushButtons[4];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 345;
p->y = 238;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbEchoDistDown;
p->visible = true;
p = &pushButtons[5];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 434;
p->y = 238;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbEchoDistUp;
p->visible = true;
p = &pushButtons[6];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 345;
p->y = 252;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbEchoFadeoutDown;
p->visible = true;
p = &pushButtons[7];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 434;
p->y = 252;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbEchoFadeoutUp;
p->visible = true;
// echo num scrollbar
s = &scrollBars[0];
memset(s, 0, sizeof (scrollBar_t));
s->x = 368;
s->y = 224;
s->w = 66;
s->h = 13;
s->callbackFunc = sbSetEchoNumPos;
s->visible = true;
setScrollBarPageLength(0, 1);
setScrollBarEnd(0, 64);
// echo distance scrollbar
s = &scrollBars[1];
memset(s, 0, sizeof (scrollBar_t));
s->x = 368;
s->y = 238;
s->w = 66;
s->h = 13;
s->callbackFunc = sbSetEchoDistPos;
s->visible = true;
setScrollBarPageLength(1, 1);
setScrollBarEnd(1, 16384);
// echo fadeout scrollbar
s = &scrollBars[2];
memset(s, 0, sizeof (scrollBar_t));
s->x = 368;
s->y = 252;
s->w = 66;
s->h = 13;
s->callbackFunc = sbSetEchoFadeoutPos;
s->visible = true;
setScrollBarPageLength(2, 1);
setScrollBarEnd(2, 100);
}
void handleEchoToolPanic(void)
{
stopThread = true;
}
void pbSampleEcho(void)
{
if (editor.curInstr == 0 ||
instr[editor.curInstr] == NULL ||
instr[editor.curInstr]->smp[editor.curSmp].dataPtr == NULL)
{
return;
}
setupEchoBoxWidgets();
windowOpen();
outOfMemory = false;
exitFlag = false;
while (ui.sysReqShown)
{
readInput();
if (ui.sysReqEnterPressed)
pbCreateEcho();
setSyncedReplayerVars();
handleRedrawing();
drawEchoBox();
setScrollBarPos(0, echo_nEcho, false);
setScrollBarPos(1, echo_Distance, false);
setScrollBarPos(2, echo_VolChange, false);
drawCheckBox(0);
for (uint16_t i = 0; i < 8; i++) drawPushButton(i);
for (uint16_t i = 0; i < 3; i++) drawScrollBar(i);
flipFrame();
}
hideCheckBox(0);
for (uint16_t i = 0; i < 8; i++) hidePushButton(i);
for (uint16_t i = 0; i < 3; i++) hideScrollBar(i);
windowClose(echo_AddMemory ? false : true);
if (outOfMemory)
okBox(0, "System message", "Not enough memory!", NULL);
}
static int32_t SDLCALL mixThread(void *ptr)
{
smpPtr_t sp;
int8_t *dstPtr, *mixPtr;
uint8_t mixFlags, dstFlags;
int32_t dstLen, mixLen;
int16_t dstIns = editor.curInstr;
int16_t dstSmp = editor.curSmp;
int16_t mixIns = editor.srcInstr;
int16_t mixSmp = editor.srcSmp;
sample_t *s = &instr[dstIns]->smp[dstSmp];
sample_t *sSrc = &instr[mixIns]->smp[mixSmp];
if (dstIns == mixIns && dstSmp == mixSmp)
{
setMouseBusy(false);
ui.sysReqShown = false;
return true;
}
if (instr[mixIns] == NULL)
{
mixLen = 0;
mixPtr = NULL;
mixFlags = 0;
}
else
{
mixLen = sSrc->length;
mixPtr = sSrc->dataPtr;
mixFlags = sSrc->flags;
if (mixPtr == NULL)
{
mixLen = 0;
mixFlags = 0;
}
}
if (instr[dstIns] == NULL)
{
dstLen = 0;
dstPtr = NULL;
dstFlags = 0;
}
else
{
dstLen = s->length;
dstPtr = s->dataPtr;
dstFlags = s->flags;
if (dstPtr == NULL)
{
dstLen = 0;
dstFlags = 0;
}
}
bool src16Bits = !!(mixFlags & SAMPLE_16BIT);
bool dst16Bits = !!(dstFlags & SAMPLE_16BIT);
int32_t maxLen = (dstLen > mixLen) ? dstLen : mixLen;
if (maxLen == 0)
{
setMouseBusy(false);
ui.sysReqShown = false;
return true;
}
if (!allocateSmpDataPtr(&sp, maxLen, dst16Bits))
{
outOfMemory = true;
setMouseBusy(false);
ui.sysReqShown = false;
return true;
}
memset(sp.ptr, 0, maxLen);
if (instr[dstIns] == NULL && !allocateInstr(dstIns))
{
outOfMemory = true;
setMouseBusy(false);
ui.sysReqShown = false;
return true;
}
pauseAudio();
unfixSample(s);
// unfix source sample
if (instr[mixIns] != NULL)
unfixSample(sSrc);
const double dAmp1 = mix_Balance / 100.0;
const double dAmp2 = 1.0 - dAmp1;
const double dSmp1ScaleMul = src16Bits ? (1.0 / 32768.0) : (1.0 / 128.0);
const double dSmp2ScaleMul = dst16Bits ? (1.0 / 32768.0) : (1.0 / 128.0);
const double dNormalizeMul = dst16Bits ? 32768.0 : 128.0;
for (int32_t i = 0; i < maxLen; i++)
{
double dSmp1 = (i >= mixLen) ? 0.0 : (getSampleValue(mixPtr, i, src16Bits) * dSmp1ScaleMul); // -1.0 .. 0.999inf
double dSmp2 = (i >= dstLen) ? 0.0 : (getSampleValue(dstPtr, i, dst16Bits) * dSmp2ScaleMul); // -1.0 .. 0.999inf
const double dSmp = ((dSmp1 * dAmp1) + (dSmp2 * dAmp2)) * dNormalizeMul;
putSampleValue(sp.ptr, i, dSmp, dst16Bits);
}
freeSmpData(s);
setSmpDataPtr(s, &sp);
s->length = maxLen;
s->flags = dstFlags;
fixSample(s);
// re-fix source sample again
if (instr[mixIns] != NULL)
fixSample(sSrc);
resumeAudio();
setSongModifiedFlag();
setMouseBusy(false);
ui.sysReqShown = false;
return true;
(void)ptr;
}
static void pbMix(void)
{
mouseAnimOn();
thread = SDL_CreateThread(mixThread, NULL, NULL);
if (thread == NULL)
{
okBox(0, "System message", "Couldn't create thread!", NULL);
return;
}
SDL_DetachThread(thread);
}
static void sbSetMixBalancePos(uint32_t pos)
{
if (mix_Balance != (int8_t)pos)
mix_Balance = (int8_t)pos;
}
static void pbMixBalanceDown(void)
{
if (mix_Balance > 0)
mix_Balance--;
}
static void pbMixBalanceUp(void)
{
if (mix_Balance < 100)
mix_Balance++;
}
static void drawMixSampleBox(void)
{
const int16_t x = 192;
const int16_t y = 240;
const int16_t w = 248;
const int16_t h = 38;
// main fill
fillRect(x + 1, y + 1, w - 2, h - 2, PAL_BUTTONS);
// outer border
vLine(x, y, h - 1, PAL_BUTTON1);
hLine(x + 1, y, w - 2, PAL_BUTTON1);
vLine(x + w - 1, y, h, PAL_BUTTON2);
hLine(x, y + h - 1, w - 1, PAL_BUTTON2);
// inner border
vLine(x + 2, y + 2, h - 5, PAL_BUTTON2);
hLine(x + 3, y + 2, w - 6, PAL_BUTTON2);
vLine(x + w - 3, y + 2, h - 4, PAL_BUTTON1);
hLine(x + 2, y + h - 3, w - 4, PAL_BUTTON1);
textOutShadow(198, 246, PAL_FORGRND, PAL_BUTTON2, "Mixing balance");
assert((mix_Balance >= 0) && (mix_Balance <= 100));
textOutFixed(299, 246, PAL_FORGRND, PAL_BUTTONS, dec3StrTab[mix_Balance]);
}
static void setupMixBoxWidgets(void)
{
pushButton_t *p;
scrollBar_t *s;
// "Apply" pushbutton
p = &pushButtons[0];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Apply";
p->x = 197;
p->y = 258;
p->w = 73;
p->h = 16;
p->callbackFuncOnUp = pbMix;
p->visible = true;
// "Exit" pushbutton
p = &pushButtons[1];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Exit";
p->x = 361;
p->y = 258;
p->w = 73;
p->h = 16;
p->callbackFuncOnUp = pbExit;
p->visible = true;
// scrollbar buttons
p = &pushButtons[2];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 322;
p->y = 244;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbMixBalanceDown;
p->visible = true;
p = &pushButtons[3];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 411;
p->y = 244;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbMixBalanceUp;
p->visible = true;
// mixing balance scrollbar
s = &scrollBars[0];
memset(s, 0, sizeof (scrollBar_t));
s->x = 345;
s->y = 244;
s->w = 66;
s->h = 13;
s->callbackFunc = sbSetMixBalancePos;
s->visible = true;
setScrollBarPageLength(0, 1);
setScrollBarEnd(0, 100);
}
void pbSampleMix(void)
{
uint16_t i;
if (editor.curInstr == 0)
return;
setupMixBoxWidgets();
windowOpen();
outOfMemory = false;
exitFlag = false;
while (ui.sysReqShown)
{
readInput();
if (ui.sysReqEnterPressed)
pbMix();
setSyncedReplayerVars();
handleRedrawing();
drawMixSampleBox();
setScrollBarPos(0, mix_Balance, false);
for (i = 0; i < 4; i++) drawPushButton(i);
drawScrollBar(0);
flipFrame();
}
for (i = 0; i < 4; i++) hidePushButton(i);
hideScrollBar(0);
windowClose(false);
if (outOfMemory)
okBox(0, "System message", "Not enough memory!", NULL);
}
static void sbSetStartVolPos(uint32_t pos)
{
int32_t val = (int32_t)(pos - 200);
if (val != (int32_t)dVol_StartVol)
{
if (ABS(val) < 10) val = 0;
else if (ABS(val - 100) < 10) val = 100;
else if (ABS(val + 100) < 10) val = -100;
dVol_StartVol = (double)val;
}
}
static void sbSetEndVolPos(uint32_t pos)
{
int32_t val = (int32_t)(pos - 200);
if (val != (int32_t)dVol_EndVol)
{
if (ABS(val) < 10) val = 0;
else if (ABS(val - 100) < 10) val = 100;
else if (ABS(val + 100) < 10) val = -100;
dVol_EndVol = val;
}
}
static void pbSampStartVolDown(void)
{
if (dVol_StartVol > -200.0)
dVol_StartVol -= 1.0;
dVol_StartVol = floor(dVol_StartVol);
}
static void pbSampStartVolUp(void)
{
if (dVol_StartVol < 200.0)
dVol_StartVol += 1.0;
dVol_StartVol = floor(dVol_StartVol);
}
static void pbSampEndVolDown(void)
{
if (dVol_EndVol > -200.0)
dVol_EndVol -= 1.0;
dVol_EndVol = floor(dVol_EndVol);
}
static void pbSampEndVolUp(void)
{
if (dVol_EndVol < 200.0)
dVol_EndVol += 1.0;
dVol_EndVol = floor(dVol_EndVol);
}
static int32_t SDLCALL applyVolumeThread(void *ptr)
{
int32_t x1, x2;
if (instr[editor.curInstr] == NULL)
goto applyVolumeExit;
sample_t *s = &instr[editor.curInstr]->smp[editor.curSmp];
if (smpEd_Rx1 < smpEd_Rx2)
{
x1 = smpEd_Rx1;
x2 = smpEd_Rx2;
if (x2 > s->length)
x2 = s->length;
if (x1 < 0)
x1 = 0;
if (x2 <= x1)
goto applyVolumeExit;
}
else
{
// no mark, operate on whole sample
x1 = 0;
x2 = s->length;
}
const int32_t len = x2 - x1;
if (len <= 0)
goto applyVolumeExit;
bool mustInterpolate = (dVol_StartVol != dVol_EndVol);
const double dVol = dVol_StartVol / 100.0;
const double dPosMul = ((dVol_EndVol / 100.0) - dVol) / len;
pauseAudio();
unfixSample(s);
if (s->flags & SAMPLE_16BIT)
{
int16_t *ptr16 = (int16_t *)s->dataPtr + x1;
if (mustInterpolate)
{
for (int32_t i = 0; i < len; i++)
{
double dSmp = (int32_t)ptr16[i] * (dVol + (i * dPosMul)); // linear interpolation
DROUND(dSmp);
int32_t smp32 = (int32_t)dSmp;
CLAMP16(smp32);
ptr16[i] = (int16_t)smp32;
}
}
else // no interpolation needed
{
for (int32_t i = 0; i < len; i++)
{
double dSmp = (int32_t)ptr16[i] * dVol;
DROUND(dSmp);
int32_t smp32 = (int32_t)dSmp;
CLAMP16(smp32);
ptr16[i] = (int16_t)smp32;
}
}
}
else // 8-bit sample
{
int8_t *ptr8 = s->dataPtr + x1;
if (mustInterpolate)
{
for (int32_t i = 0; i < len; i++)
{
double dSmp = (int32_t)ptr8[i] * (dVol + (i * dPosMul)); // linear interpolation
DROUND(dSmp);
int32_t smp32 = (int32_t)dSmp;
CLAMP8(smp32);
ptr8[i] = (int8_t)smp32;
}
}
else // no interpolation needed
{
for (int32_t i = 0; i < len; i++)
{
double dSmp = (int32_t)ptr8[i] * dVol;
DROUND(dSmp);
int32_t smp32 = (int32_t)dSmp;
CLAMP8(smp32);
ptr8[i] = (int8_t)smp32;
}
}
}
fixSample(s);
resumeAudio();
setSongModifiedFlag();
applyVolumeExit:
setMouseBusy(false);
ui.sysReqShown = false;
return true;
(void)ptr;
}
static void pbApplyVolume(void)
{
if (dVol_StartVol == 100.0 && dVol_EndVol == 100.0)
{
ui.sysReqShown = false;
return; // no volume change to be done
}
mouseAnimOn();
thread = SDL_CreateThread(applyVolumeThread, NULL, NULL);
if (thread == NULL)
{
okBox(0, "System message", "Couldn't create thread!", NULL);
return;
}
SDL_DetachThread(thread);
}
static int32_t SDLCALL getMaxScaleThread(void *ptr)
{
int32_t x1, x2;
if (instr[editor.curInstr] == NULL)
goto getScaleExit;
sample_t *s = &instr[editor.curInstr]->smp[editor.curSmp];
if (smpEd_Rx1 < smpEd_Rx2)
{
x1 = smpEd_Rx1;
x2 = smpEd_Rx2;
if (x2 > s->length)
x2 = s->length;
if (x1 < 0)
x1 = 0;
if (x2 <= x1)
goto getScaleExit;
}
else
{
// no sample marking, operate on the whole sample
x1 = 0;
x2 = s->length;
}
uint32_t len = x2 - x1;
if (len <= 0)
{
dVol_StartVol = dVol_EndVol = 100.0;
goto getScaleExit;
}
double dVolChange = 100.0;
/* If sample is looped and the loopEnd point is inside the marked range,
** we need to unfix the fixed interpolation sample before scanning,
** and fix it again after we're done.
*/
bool hasLoop = GET_LOOPTYPE(s->flags) != LOOP_OFF;
const int32_t loopEnd = s->loopStart + s->loopLength;
bool fixedSampleInRange = hasLoop && (x1 <= loopEnd) && (x2 >= loopEnd);
if (fixedSampleInRange)
unfixSample(s);
int32_t maxAmp = 0;
if (s->flags & SAMPLE_16BIT)
{
const int16_t *ptr16 = (const int16_t *)s->dataPtr + x1;
for (uint32_t i = 0; i < len; i++)
{
const int32_t absSmp = ABS(ptr16[i]);
if (absSmp > maxAmp)
maxAmp = absSmp;
}
if (maxAmp > 0)
dVolChange = (32767.0 / maxAmp) * 100.0;
}
else // 8-bit
{
const int8_t *ptr8 = (const int8_t *)&s->dataPtr[x1];
for (uint32_t i = 0; i < len; i++)
{
const int32_t absSmp = ABS(ptr8[i]);
if (absSmp > maxAmp)
maxAmp = absSmp;
}
if (maxAmp > 0)
dVolChange = (127.0 / maxAmp) * 100.0;
}
if (fixedSampleInRange)
fixSample(s);
if (dVolChange < 100.0) // yes, this can happen...
dVolChange = 100.0;
dVol_StartVol = dVol_EndVol = dVolChange;
getScaleExit:
setMouseBusy(false);
return true;
(void)ptr;
}
static void pbGetMaxScale(void)
{
mouseAnimOn();
thread = SDL_CreateThread(getMaxScaleThread, NULL, NULL);
if (thread == NULL)
{
okBox(0, "System message", "Couldn't create thread!", NULL);
return;
}
SDL_DetachThread(thread);
}
static void drawSampleVolumeBox(void)
{
char sign;
const int16_t x = 166;
const int16_t y = 230;
const int16_t w = 301;
const int16_t h = 52;
uint32_t val;
// main fill
fillRect(x + 1, y + 1, w - 2, h - 2, PAL_BUTTONS);
// outer border
vLine(x, y, h - 1, PAL_BUTTON1);
hLine(x + 1, y, w - 2, PAL_BUTTON1);
vLine(x + w - 1, y, h, PAL_BUTTON2);
hLine(x, y + h - 1, w - 1, PAL_BUTTON2);
// inner border
vLine(x + 2, y + 2, h - 5, PAL_BUTTON2);
hLine(x + 3, y + 2, w - 6, PAL_BUTTON2);
vLine(x + w - 3, y + 2, h - 4, PAL_BUTTON1);
hLine(x + 2, y + h - 3, w - 4, PAL_BUTTON1);
textOutShadow(172, 236, PAL_FORGRND, PAL_BUTTON2, "Start volume");
textOutShadow(172, 250, PAL_FORGRND, PAL_BUTTON2, "End volume");
charOutShadow(282, 236, PAL_FORGRND, PAL_BUTTON2, '%');
charOutShadow(282, 250, PAL_FORGRND, PAL_BUTTON2, '%');
const int32_t startVol = (int32_t)dVol_StartVol;
const int32_t endVol = (int32_t)dVol_EndVol;
if (startVol > 200)
{
charOut(253, 236, PAL_FORGRND, '>');
charOut(260, 236, PAL_FORGRND, '2');
charOut(267, 236, PAL_FORGRND, '0');
charOut(274, 236, PAL_FORGRND, '0');
}
else
{
if (startVol == 0) sign = ' ';
else if (startVol < 0) sign = '-';
else sign = '+';
val = ABS(startVol);
if (val > 99)
{
charOut(253, 236, PAL_FORGRND, sign);
charOut(260, 236, PAL_FORGRND, '0' + (char)(val / 100));
charOut(267, 236, PAL_FORGRND, '0' + ((val / 10) % 10));
charOut(274, 236, PAL_FORGRND, '0' + (val % 10));
}
else if (val > 9)
{
charOut(260, 236, PAL_FORGRND, sign);
charOut(267, 236, PAL_FORGRND, '0' + (char)(val / 10));
charOut(274, 236, PAL_FORGRND, '0' + (val % 10));
}
else
{
charOut(267, 236, PAL_FORGRND, sign);
charOut(274, 236, PAL_FORGRND, '0' + (char)val);
}
}
if (endVol > 200)
{
charOut(253, 250, PAL_FORGRND, '>');
charOut(260, 250, PAL_FORGRND, '2');
charOut(267, 250, PAL_FORGRND, '0');
charOut(274, 250, PAL_FORGRND, '0');
}
else
{
if (endVol == 0) sign = ' ';
else if (endVol < 0) sign = '-';
else sign = '+';
val = ABS(endVol);
if (val > 99)
{
charOut(253, 250, PAL_FORGRND, sign);
charOut(260, 250, PAL_FORGRND, '0' + (char)(val / 100));
charOut(267, 250, PAL_FORGRND, '0' + ((val / 10) % 10));
charOut(274, 250, PAL_FORGRND, '0' + (val % 10));
}
else if (val > 9)
{
charOut(260, 250, PAL_FORGRND, sign);
charOut(267, 250, PAL_FORGRND, '0' + (char)(val / 10));
charOut(274, 250, PAL_FORGRND, '0' + (val % 10));
}
else
{
charOut(267, 250, PAL_FORGRND, sign);
charOut(274, 250, PAL_FORGRND, '0' + (char)val);
}
}
}
static void setupVolumeBoxWidgets(void)
{
pushButton_t *p;
scrollBar_t *s;
// "Apply" pushbutton
p = &pushButtons[0];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Apply";
p->x = 171;
p->y = 262;
p->w = 73;
p->h = 16;
p->callbackFuncOnUp = pbApplyVolume;
p->visible = true;
// "Get maximum scale" pushbutton
p = &pushButtons[1];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Get maximum scale";
p->x = 245;
p->y = 262;
p->w = 143;
p->h = 16;
p->callbackFuncOnUp = pbGetMaxScale;
p->visible = true;
// "Exit" pushbutton
p = &pushButtons[2];
memset(p, 0, sizeof (pushButton_t));
p->caption = "Exit";
p->x = 389;
p->y = 262;
p->w = 73;
p->h = 16;
p->callbackFuncOnUp = pbExit;
p->visible = true;
// scrollbar buttons
p = &pushButtons[3];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 292;
p->y = 234;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbSampStartVolDown;
p->visible = true;
p = &pushButtons[4];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 439;
p->y = 234;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbSampStartVolUp;
p->visible = true;
p = &pushButtons[5];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_LEFT_STRING;
p->x = 292;
p->y = 248;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbSampEndVolDown;
p->visible = true;
p = &pushButtons[6];
memset(p, 0, sizeof (pushButton_t));
p->caption = ARROW_RIGHT_STRING;
p->x = 439;
p->y = 248;
p->w = 23;
p->h = 13;
p->preDelay = 1;
p->delayFrames = 3;
p->callbackFuncOnDown = pbSampEndVolUp;
p->visible = true;
// volume start scrollbar
s = &scrollBars[0];
memset(s, 0, sizeof (scrollBar_t));
s->x = 315;
s->y = 234;
s->w = 124;
s->h = 13;
s->callbackFunc = sbSetStartVolPos;
s->visible = true;
setScrollBarPageLength(0, 1);
setScrollBarEnd(0, 200 * 2);
setScrollBarPos(0, 200, false);
// volume end scrollbar
s = &scrollBars[1];
memset(s, 0, sizeof (scrollBar_t));
s->x = 315;
s->y = 248;
s->w = 124;
s->h = 13;
s->callbackFunc = sbSetEndVolPos;
s->visible = true;
setScrollBarPageLength(1, 1);
setScrollBarEnd(1, 200 * 2);
setScrollBarPos(1, 200, false);
}
void pbSampleVolume(void)
{
uint16_t i;
if (editor.curInstr == 0 ||
instr[editor.curInstr] == NULL ||
instr[editor.curInstr]->smp[editor.curSmp].dataPtr == NULL)
{
return;
}
setupVolumeBoxWidgets();
windowOpen();
exitFlag = false;
while (ui.sysReqShown)
{
readInput();
if (ui.sysReqEnterPressed)
{
pbApplyVolume();
keyb.ignoreCurrKeyUp = true; // don't handle key up event for this key release
}
setSyncedReplayerVars();
handleRedrawing();
// this is needed for the "Get maximum scale" button
if (ui.setMouseIdle) mouseAnimOff();
drawSampleVolumeBox();
const int32_t startVol = (int32_t)dVol_StartVol;
const int32_t endVol = (int32_t)dVol_EndVol;
setScrollBarPos(0, 200 + startVol, false);
setScrollBarPos(1, 200 + endVol, false);
for (i = 0; i < 7; i++) drawPushButton(i);
for (i = 0; i < 2; i++) drawScrollBar(i);
flipFrame();
}
for (i = 0; i < 7; i++) hidePushButton(i);
for (i = 0; i < 2; i++) hideScrollBar(i);
windowClose(true);
}