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gstreamer/gst/modplug/libmodplug/load_s3m.cpp
Jeremy Simon ac87bfc370 adding modplug 
Original commit message from CVS:
adding modplug
2002-02-28 21:10:42 +00:00

650 lines
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/*
* This source code is public domain.
*
* Authors: Olivier Lapicque <olivierl@jps.net>,
* Adam Goode <adam@evdebs.org> (endian and char fixes for PPC)
*/
#include "stdafx.h"
#include "sndfile.h"
//#pragma warning(disable:4244)
extern WORD S3MFineTuneTable[16];
//////////////////////////////////////////////////////
// ScreamTracker S3M file support
typedef struct tagS3MSAMPLESTRUCT
{
BYTE type;
CHAR dosname[12];
BYTE hmem;
WORD memseg;
DWORD length;
DWORD loopbegin;
DWORD loopend;
BYTE vol;
BYTE bReserved;
BYTE pack;
BYTE flags;
DWORD finetune;
DWORD dwReserved;
WORD intgp;
WORD int512;
DWORD lastused;
CHAR name[28];
CHAR scrs[4];
} S3MSAMPLESTRUCT;
typedef struct tagS3MFILEHEADER
{
CHAR name[28];
BYTE b1A;
BYTE type;
WORD reserved1;
WORD ordnum;
WORD insnum;
WORD patnum;
WORD flags;
WORD cwtv;
WORD version;
DWORD scrm; // "SCRM" = 0x4D524353
BYTE globalvol;
BYTE speed;
BYTE tempo;
BYTE mastervol;
BYTE ultraclicks;
BYTE panning_present;
BYTE reserved2[8];
WORD special;
BYTE channels[32];
} S3MFILEHEADER;
void CSoundFile::S3MConvert(MODCOMMAND *m, BOOL bIT) const
//--------------------------------------------------------
{
UINT command = m->command;
UINT param = m->param;
switch (command + 0x40)
{
case 'A': command = CMD_SPEED; break;
case 'B': command = CMD_POSITIONJUMP; break;
case 'C': command = CMD_PATTERNBREAK; if (!bIT) param = (param >> 4) * 10 + (param & 0x0F); break;
case 'D': command = CMD_VOLUMESLIDE; break;
case 'E': command = CMD_PORTAMENTODOWN; break;
case 'F': command = CMD_PORTAMENTOUP; break;
case 'G': command = CMD_TONEPORTAMENTO; break;
case 'H': command = CMD_VIBRATO; break;
case 'I': command = CMD_TREMOR; break;
case 'J': command = CMD_ARPEGGIO; break;
case 'K': command = CMD_VIBRATOVOL; break;
case 'L': command = CMD_TONEPORTAVOL; break;
case 'M': command = CMD_CHANNELVOLUME; break;
case 'N': command = CMD_CHANNELVOLSLIDE; break;
case 'O': command = CMD_OFFSET; break;
case 'P': command = CMD_PANNINGSLIDE; break;
case 'Q': command = CMD_RETRIG; break;
case 'R': command = CMD_TREMOLO; break;
case 'S': command = CMD_S3MCMDEX; break;
case 'T': command = CMD_TEMPO; break;
case 'U': command = CMD_FINEVIBRATO; break;
case 'V': command = CMD_GLOBALVOLUME; break;
case 'W': command = CMD_GLOBALVOLSLIDE; break;
case 'X': command = CMD_PANNING8; break;
case 'Y': command = CMD_PANBRELLO; break;
case 'Z': command = CMD_MIDI; break;
default: command = 0;
}
m->command = command;
m->param = param;
}
void CSoundFile::S3MSaveConvert(UINT *pcmd, UINT *pprm, BOOL bIT) const
//---------------------------------------------------------------------
{
UINT command = *pcmd;
UINT param = *pprm;
switch(command)
{
case CMD_SPEED: command = 'A'; break;
case CMD_POSITIONJUMP: command = 'B'; break;
case CMD_PATTERNBREAK: command = 'C'; if (!bIT) param = ((param / 10) << 4) + (param % 10); break;
case CMD_VOLUMESLIDE: command = 'D'; break;
case CMD_PORTAMENTODOWN: command = 'E'; if ((param >= 0xE0) && (m_nType & (MOD_TYPE_MOD|MOD_TYPE_XM))) param = 0xDF; break;
case CMD_PORTAMENTOUP: command = 'F'; if ((param >= 0xE0) && (m_nType & (MOD_TYPE_MOD|MOD_TYPE_XM))) param = 0xDF; break;
case CMD_TONEPORTAMENTO: command = 'G'; break;
case CMD_VIBRATO: command = 'H'; break;
case CMD_TREMOR: command = 'I'; break;
case CMD_ARPEGGIO: command = 'J'; break;
case CMD_VIBRATOVOL: command = 'K'; break;
case CMD_TONEPORTAVOL: command = 'L'; break;
case CMD_CHANNELVOLUME: command = 'M'; break;
case CMD_CHANNELVOLSLIDE: command = 'N'; break;
case CMD_OFFSET: command = 'O'; break;
case CMD_PANNINGSLIDE: command = 'P'; break;
case CMD_RETRIG: command = 'Q'; break;
case CMD_TREMOLO: command = 'R'; break;
case CMD_S3MCMDEX: command = 'S'; break;
case CMD_TEMPO: command = 'T'; break;
case CMD_FINEVIBRATO: command = 'U'; break;
case CMD_GLOBALVOLUME: command = 'V'; break;
case CMD_GLOBALVOLSLIDE: command = 'W'; break;
case CMD_PANNING8:
command = 'X';
if ((bIT) && (m_nType != MOD_TYPE_IT) && (m_nType != MOD_TYPE_XM))
{
if (param == 0xA4) { command = 'S'; param = 0x91; } else
if (param <= 0x80) { param <<= 1; if (param > 255) param = 255; } else
command = param = 0;
} else
if ((!bIT) && ((m_nType == MOD_TYPE_IT) || (m_nType == MOD_TYPE_XM)))
{
param >>= 1;
}
break;
case CMD_PANBRELLO: command = 'Y'; break;
case CMD_MIDI: command = 'Z'; break;
case CMD_XFINEPORTAUPDOWN:
if (param & 0x0F) switch(param & 0xF0)
{
case 0x10: command = 'F'; param = (param & 0x0F) | 0xE0; break;
case 0x20: command = 'E'; param = (param & 0x0F) | 0xE0; break;
case 0x90: command = 'S'; break;
default: command = param = 0;
} else command = param = 0;
break;
case CMD_MODCMDEX:
command = 'S';
switch(param & 0xF0)
{
case 0x00: command = param = 0; break;
case 0x10: command = 'F'; param |= 0xF0; break;
case 0x20: command = 'E'; param |= 0xF0; break;
case 0x30: param = (param & 0x0F) | 0x10; break;
case 0x40: param = (param & 0x0F) | 0x30; break;
case 0x50: param = (param & 0x0F) | 0x20; break;
case 0x60: param = (param & 0x0F) | 0xB0; break;
case 0x70: param = (param & 0x0F) | 0x40; break;
case 0x90: command = 'Q'; param &= 0x0F; break;
case 0xA0: if (param & 0x0F) { command = 'D'; param = (param << 4) | 0x0F; } else command=param=0; break;
case 0xB0: if (param & 0x0F) { command = 'D'; param |= 0xF0; } else command=param=0; break;
}
break;
default: command = param = 0;
}
command &= ~0x40;
*pcmd = command;
*pprm = param;
}
BOOL CSoundFile::ReadS3M(const BYTE *lpStream, DWORD dwMemLength)
//---------------------------------------------------------------
{
UINT insnum,patnum,nins,npat;
DWORD insfile[128];
WORD ptr[256];
BYTE s[1024];
DWORD dwMemPos;
BYTE insflags[128], inspack[128];
S3MFILEHEADER psfh = *(S3MFILEHEADER *)lpStream;
psfh.reserved1 = bswapLE16(psfh.reserved1);
psfh.ordnum = bswapLE16(psfh.ordnum);
psfh.insnum = bswapLE16(psfh.insnum);
psfh.patnum = bswapLE16(psfh.patnum);
psfh.flags = bswapLE16(psfh.flags);
psfh.cwtv = bswapLE16(psfh.cwtv);
psfh.version = bswapLE16(psfh.version);
psfh.scrm = bswapLE32(psfh.scrm);
psfh.special = bswapLE16(psfh.special);
if ((!lpStream) || (dwMemLength <= sizeof(S3MFILEHEADER)+sizeof(S3MSAMPLESTRUCT)+64)) return FALSE;
if (psfh.scrm != 0x4D524353) return FALSE;
dwMemPos = 0x60;
m_nType = MOD_TYPE_S3M;
memset(m_szNames,0,sizeof(m_szNames));
memcpy(m_szNames[0], psfh.name, 28);
// Speed
m_nDefaultSpeed = psfh.speed;
if (m_nDefaultSpeed < 1) m_nDefaultSpeed = 6;
if (m_nDefaultSpeed > 0x1F) m_nDefaultSpeed = 0x1F;
// Tempo
m_nDefaultTempo = psfh.tempo;
if (m_nDefaultTempo < 40) m_nDefaultTempo = 40;
if (m_nDefaultTempo > 240) m_nDefaultTempo = 240;
// Global Volume
m_nDefaultGlobalVolume = psfh.globalvol << 2;
if ((!m_nDefaultGlobalVolume) || (m_nDefaultGlobalVolume > 256)) m_nDefaultGlobalVolume = 256;
m_nSongPreAmp = psfh.mastervol & 0x7F;
// Channels
m_nChannels = 4;
for (UINT ich=0; ich<32; ich++)
{
ChnSettings[ich].nPan = 128;
ChnSettings[ich].nVolume = 64;
ChnSettings[ich].dwFlags = CHN_MUTE;
if (psfh.channels[ich] != 0xFF)
{
m_nChannels = ich+1;
UINT b = psfh.channels[ich] & 0x0F;
ChnSettings[ich].nPan = (b & 8) ? 0xC0 : 0x40;
ChnSettings[ich].dwFlags = 0;
}
}
if (m_nChannels < 4) m_nChannels = 4;
if ((psfh.cwtv < 0x1320) || (psfh.flags & 0x40)) m_dwSongFlags |= SONG_FASTVOLSLIDES;
// Reading pattern order
UINT iord = psfh.ordnum;
if (iord<1) iord = 1;
if (iord > MAX_ORDERS) iord = MAX_ORDERS;
if (iord)
{
memcpy(Order, lpStream+dwMemPos, iord);
dwMemPos += iord;
}
if ((iord & 1) && (lpStream[dwMemPos] == 0xFF)) dwMemPos++;
// Reading file pointers
insnum = nins = psfh.insnum;
if (insnum >= MAX_SAMPLES) insnum = MAX_SAMPLES-1;
m_nSamples = insnum;
patnum = npat = psfh.patnum;
if (patnum > MAX_PATTERNS) patnum = MAX_PATTERNS;
memset(ptr, 0, sizeof(ptr));
if (nins+npat)
{
memcpy(ptr, lpStream+dwMemPos, 2*(nins+npat));
dwMemPos += 2*(nins+npat);
for (UINT j = 0; j < (nins+npat); ++j) {
ptr[j] = bswapLE16(ptr[j]);
}
if (psfh.panning_present == 252)
{
const BYTE *chnpan = lpStream+dwMemPos;
for (UINT i=0; i<32; i++) if (chnpan[i] & 0x20)
{
ChnSettings[i].nPan = ((chnpan[i] & 0x0F) << 4) + 8;
}
}
}
if (!m_nChannels) return TRUE;
// Reading instrument headers
memset(insfile, 0, sizeof(insfile));
for (UINT iSmp=1; iSmp<=insnum; iSmp++)
{
UINT nInd = ((DWORD)ptr[iSmp-1])*16;
if ((!nInd) || (nInd + 0x50 > dwMemLength)) continue;
memcpy(s, lpStream+nInd, 0x50);
memcpy(Ins[iSmp].name, s+1, 12);
insflags[iSmp-1] = s[0x1F];
inspack[iSmp-1] = s[0x1E];
s[0x4C] = 0;
lstrcpy(m_szNames[iSmp], (LPCSTR)&s[0x30]);
if ((s[0]==1) && (s[0x4E]=='R') && (s[0x4F]=='S'))
{
UINT j = bswapLE32(*((LPDWORD)(s+0x10)));
if (j > MAX_SAMPLE_LENGTH) j = MAX_SAMPLE_LENGTH;
if (j < 4) j = 0;
Ins[iSmp].nLength = j;
j = bswapLE32(*((LPDWORD)(s+0x14)));
if (j >= Ins[iSmp].nLength) j = Ins[iSmp].nLength - 1;
Ins[iSmp].nLoopStart = j;
j = bswapLE32(*((LPDWORD)(s+0x18)));
if (j > MAX_SAMPLE_LENGTH) j = MAX_SAMPLE_LENGTH;
if (j < 4) j = 0;
if (j > Ins[iSmp].nLength) j = Ins[iSmp].nLength;
Ins[iSmp].nLoopEnd = j;
j = s[0x1C];
if (j > 64) j = 64;
Ins[iSmp].nVolume = j << 2;
Ins[iSmp].nGlobalVol = 64;
if (s[0x1F]&1) Ins[iSmp].uFlags |= CHN_LOOP;
j = bswapLE32(*((LPDWORD)(s+0x20)));
if (!j) j = 8363;
if (j < 1024) j = 1024;
Ins[iSmp].nC4Speed = j;
insfile[iSmp] = ((DWORD)bswapLE16(*((LPWORD)(s+0x0E)))) << 4;
insfile[iSmp] += ((DWORD)(BYTE)s[0x0D]) << 20;
if (insfile[iSmp] > dwMemLength) insfile[iSmp] &= 0xFFFF;
if ((Ins[iSmp].nLoopStart >= Ins[iSmp].nLoopEnd) || (Ins[iSmp].nLoopEnd - Ins[iSmp].nLoopStart < 8))
Ins[iSmp].nLoopStart = Ins[iSmp].nLoopEnd = 0;
Ins[iSmp].nPan = 0x80;
}
}
// Reading patterns
for (UINT iPat=0; iPat<patnum; iPat++)
{
UINT nInd = ((DWORD)ptr[nins+iPat]) << 4;
if (nInd + 0x40 > dwMemLength) continue;
WORD len = bswapLE16(*((WORD *)(lpStream+nInd)));
nInd += 2;
PatternSize[iPat] = 64;
if ((!len) || (nInd + len > dwMemLength - 6)
|| ((Patterns[iPat] = AllocatePattern(64, m_nChannels)) == NULL)) continue;
LPBYTE src = (LPBYTE)(lpStream+nInd);
// Unpacking pattern
MODCOMMAND *p = Patterns[iPat];
UINT row = 0;
UINT j = 0;
while (j < len)
{
BYTE b = src[j++];
if (!b)
{
if (++row >= 64) break;
} else
{
UINT chn = b & 0x1F;
if (chn < m_nChannels)
{
MODCOMMAND *m = &p[row*m_nChannels+chn];
if (b & 0x20)
{
m->note = src[j++];
if (m->note < 0xF0) m->note = (m->note & 0x0F) + 12*(m->note >> 4) + 13;
else if (m->note == 0xFF) m->note = 0;
m->instr = src[j++];
}
if (b & 0x40)
{
UINT vol = src[j++];
if ((vol >= 128) && (vol <= 192))
{
vol -= 128;
m->volcmd = VOLCMD_PANNING;
} else
{
if (vol > 64) vol = 64;
m->volcmd = VOLCMD_VOLUME;
}
m->vol = vol;
}
if (b & 0x80)
{
m->command = src[j++];
m->param = src[j++];
if (m->command) S3MConvert(m, FALSE);
}
} else
{
if (b & 0x20) j += 2;
if (b & 0x40) j++;
if (b & 0x80) j += 2;
}
if (j >= len) break;
}
}
}
// Reading samples
for (UINT iRaw=1; iRaw<=insnum; iRaw++) if ((Ins[iRaw].nLength) && (insfile[iRaw]))
{
UINT flags = (psfh.version == 1) ? RS_PCM8S : RS_PCM8U;
if (insflags[iRaw-1] & 4) flags += 5;
if (insflags[iRaw-1] & 2) flags |= RSF_STEREO;
if (inspack[iRaw-1] == 4) flags = RS_ADPCM4;
dwMemPos = insfile[iRaw];
dwMemPos += ReadSample(&Ins[iRaw], flags, (LPSTR)(lpStream + dwMemPos), dwMemLength - dwMemPos);
}
m_nMinPeriod = 64;
m_nMaxPeriod = 32767;
if (psfh.flags & 0x10) m_dwSongFlags |= SONG_AMIGALIMITS;
return TRUE;
}
#ifndef MODPLUG_NO_FILESAVE
#pragma warning(disable:4100)
static BYTE S3MFiller[16] =
{
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
};
BOOL CSoundFile::SaveS3M(LPCSTR lpszFileName, UINT nPacking)
//----------------------------------------------------------
{
FILE *f;
BYTE header[0x60];
UINT nbo,nbi,nbp,i;
WORD patptr[128];
WORD insptr[128];
BYTE buffer[5*1024];
S3MSAMPLESTRUCT insex[128];
if ((!m_nChannels) || (!lpszFileName)) return FALSE;
if ((f = fopen(lpszFileName, "wb")) == NULL) return FALSE;
// Writing S3M header
memset(header, 0, sizeof(header));
memset(insex, 0, sizeof(insex));
memcpy(header, m_szNames[0], 0x1C);
header[0x1B] = 0;
header[0x1C] = 0x1A;
header[0x1D] = 0x10;
nbo = (GetNumPatterns() + 15) & 0xF0;
if (!nbo) nbo = 16;
header[0x20] = nbo & 0xFF;
header[0x21] = nbo >> 8;
nbi = m_nInstruments;
if (!nbi) nbi = m_nSamples;
if (nbi > 99) nbi = 99;
header[0x22] = nbi & 0xFF;
header[0x23] = nbi >> 8;
nbp = 0;
for (i=0; Patterns[i]; i++) { nbp = i+1; if (nbp >= MAX_PATTERNS) break; }
for (i=0; i<MAX_ORDERS; i++) if ((Order[i] < MAX_PATTERNS) && (Order[i] >= nbp)) nbp = Order[i] + 1;
header[0x24] = nbp & 0xFF;
header[0x25] = nbp >> 8;
if (m_dwSongFlags & SONG_FASTVOLSLIDES) header[0x26] |= 0x40;
if ((m_nMaxPeriod < 20000) || (m_dwSongFlags & SONG_AMIGALIMITS)) header[0x26] |= 0x10;
header[0x28] = 0x20;
header[0x29] = 0x13;
header[0x2A] = 0x02; // Version = 1 => Signed samples
header[0x2B] = 0x00;
header[0x2C] = 'S';
header[0x2D] = 'C';
header[0x2E] = 'R';
header[0x2F] = 'M';
header[0x30] = m_nDefaultGlobalVolume >> 2;
header[0x31] = m_nDefaultSpeed;
header[0x32] = m_nDefaultTempo;
header[0x33] = ((m_nSongPreAmp < 0x20) ? 0x20 : m_nSongPreAmp) | 0x80; // Stereo
header[0x35] = 0xFC;
for (i=0; i<32; i++)
{
if (i < m_nChannels)
{
UINT tmp = (i & 0x0F) >> 1;
header[0x40+i] = (i & 0x10) | ((i & 1) ? 8+tmp : tmp);
} else header[0x40+i] = 0xFF;
}
fwrite(header, 0x60, 1, f);
fwrite(Order, nbo, 1, f);
memset(patptr, 0, sizeof(patptr));
memset(insptr, 0, sizeof(insptr));
UINT ofs0 = 0x60 + nbo;
UINT ofs1 = ((0x60 + nbo + nbi*2 + nbp*2 + 15) & 0xFFF0) + 0x20;
UINT ofs = ofs1;
for (i=0; i<nbi; i++) insptr[i] = (WORD)((ofs + i*0x50) / 16);
for (i=0; i<nbp; i++) patptr[i] = (WORD)((ofs + nbi*0x50) / 16);
fwrite(insptr, nbi, 2, f);
fwrite(patptr, nbp, 2, f);
if (header[0x35] == 0xFC)
{
BYTE chnpan[32];
for (i=0; i<32; i++)
{
chnpan[i] = 0x20 | (ChnSettings[i].nPan >> 4);
}
fwrite(chnpan, 0x20, 1, f);
}
if ((nbi*2+nbp*2) & 0x0F)
{
fwrite(S3MFiller, 0x10 - ((nbi*2+nbp*2) & 0x0F), 1, f);
}
ofs1 = ftell(f);
fwrite(insex, nbi, 0x50, f);
// Packing patterns
ofs += nbi*0x50;
for (i=0; i<nbp; i++)
{
WORD len = 64;
memset(buffer, 0, sizeof(buffer));
patptr[i] = ofs / 16;
if (Patterns[i])
{
len = 2;
MODCOMMAND *p = Patterns[i];
for (int row=0; row<64; row++) if (row < PatternSize[i])
{
for (UINT j=0; j<m_nChannels; j++)
{
UINT b = j;
MODCOMMAND *m = &p[row*m_nChannels+j];
UINT note = m->note;
UINT volcmd = m->volcmd;
UINT vol = m->vol;
UINT command = m->command;
UINT param = m->param;
if ((note) || (m->instr)) b |= 0x20;
if (!note) note = 0xFF; else
if (note >= 0xFE) note = 0xFE; else
if (note < 13) note = 0; else note -= 13;
if (note < 0xFE) note = (note % 12) + ((note / 12) << 4);
if (command == CMD_VOLUME)
{
command = 0;
if (param > 64) param = 64;
volcmd = VOLCMD_VOLUME;
vol = param;
}
if (volcmd == VOLCMD_VOLUME) b |= 0x40; else
if (volcmd == VOLCMD_PANNING) { vol |= 0x80; b |= 0x40; }
if (command)
{
S3MSaveConvert(&command, &param, FALSE);
if (command) b |= 0x80;
}
if (b & 0xE0)
{
buffer[len++] = b;
if (b & 0x20)
{
buffer[len++] = note;
buffer[len++] = m->instr;
}
if (b & 0x40)
{
buffer[len++] = vol;
}
if (b & 0x80)
{
buffer[len++] = command;
buffer[len++] = param;
}
if (len > sizeof(buffer) - 20) break;
}
}
buffer[len++] = 0;
if (len > sizeof(buffer) - 20) break;
}
}
buffer[0] = (len - 2) & 0xFF;
buffer[1] = (len - 2) >> 8;
len = (len+15) & (~0x0F);
fwrite(buffer, len, 1, f);
ofs += len;
}
// Writing samples
for (i=1; i<=nbi; i++)
{
MODINSTRUMENT *pins = &Ins[i];
if (m_nInstruments)
{
pins = Ins;
if (Headers[i])
{
for (UINT j=0; j<128; j++)
{
UINT n = Headers[i]->Keyboard[j];
if ((n) && (n < MAX_INSTRUMENTS))
{
pins = &Ins[n];
break;
}
}
}
}
memcpy(insex[i-1].dosname, pins->name, 12);
memcpy(insex[i-1].name, m_szNames[i], 28);
memcpy(insex[i-1].scrs, "SCRS", 4);
insex[i-1].hmem = (BYTE)((DWORD)ofs >> 20);
insex[i-1].memseg = (WORD)((DWORD)ofs >> 4);
if (pins->pSample)
{
insex[i-1].type = 1;
insex[i-1].length = pins->nLength;
insex[i-1].loopbegin = pins->nLoopStart;
insex[i-1].loopend = pins->nLoopEnd;
insex[i-1].vol = pins->nVolume / 4;
insex[i-1].flags = (pins->uFlags & CHN_LOOP) ? 1 : 0;
if (pins->nC4Speed)
insex[i-1].finetune = pins->nC4Speed;
else
insex[i-1].finetune = TransposeToFrequency(pins->RelativeTone, pins->nFineTune);
UINT flags = RS_PCM8U;
#ifndef NO_PACKING
if (nPacking)
{
if ((!(pins->uFlags & (CHN_16BIT|CHN_STEREO)))
&& (CanPackSample(pins->pSample, pins->nLength, nPacking)))
{
insex[i-1].pack = 4;
flags = RS_ADPCM4;
}
} else
#endif // NO_PACKING
{
if (pins->uFlags & CHN_16BIT)
{
insex[i-1].flags |= 4;
flags = RS_PCM16U;
}
if (pins->uFlags & CHN_STEREO)
{
insex[i-1].flags |= 2;
flags = (pins->uFlags & CHN_16BIT) ? RS_STPCM16U : RS_STPCM8U;
}
}
DWORD len = WriteSample(f, pins, flags);
if (len & 0x0F)
{
fwrite(S3MFiller, 0x10 - (len & 0x0F), 1, f);
}
ofs += (len + 15) & (~0x0F);
} else
{
insex[i-1].length = 0;
}
}
// Updating parapointers
fseek(f, ofs0, SEEK_SET);
fwrite(insptr, nbi, 2, f);
fwrite(patptr, nbp, 2, f);
fseek(f, ofs1, SEEK_SET);
fwrite(insex, 0x50, nbi, f);
fclose(f);
return TRUE;
}
#pragma warning(default:4100)
#endif // MODPLUG_NO_FILESAVE
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