mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-12 19:36:38 +00:00
ac87bfc370
Original commit message from CVS: adding modplug
368 lines
9.8 KiB
C++
368 lines
9.8 KiB
C++
/*
|
|
* This source code is public domain.
|
|
*
|
|
* Authors: Olivier Lapicque <olivierl@jps.net>,
|
|
* Adam Goode <adam@evdebs.org> (endian and char fixes for PPC)
|
|
*/
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
//
|
|
// DigiBooster Pro Module Loader (*.dbm)
|
|
//
|
|
// Note: this loader doesn't handle multiple songs
|
|
//
|
|
///////////////////////////////////////////////////////////////
|
|
|
|
#include "stdafx.h"
|
|
#include "sndfile.h"
|
|
|
|
//#pragma warning(disable:4244)
|
|
|
|
#define DBM_FILE_MAGIC 0x304d4244
|
|
#define DBM_ID_NAME 0x454d414e
|
|
#define DBM_NAMELEN 0x2c000000
|
|
#define DBM_ID_INFO 0x4f464e49
|
|
#define DBM_INFOLEN 0x0a000000
|
|
#define DBM_ID_SONG 0x474e4f53
|
|
#define DBM_ID_INST 0x54534e49
|
|
#define DBM_ID_VENV 0x564e4556
|
|
#define DBM_ID_PATT 0x54544150
|
|
#define DBM_ID_SMPL 0x4c504d53
|
|
|
|
#pragma pack(1)
|
|
|
|
typedef struct DBMFILEHEADER
|
|
{
|
|
DWORD dbm_id; // "DBM0" = 0x304d4244
|
|
WORD trkver; // Tracker version: 02.15
|
|
WORD reserved;
|
|
DWORD name_id; // "NAME" = 0x454d414e
|
|
DWORD name_len; // name length: always 44
|
|
CHAR songname[44];
|
|
DWORD info_id; // "INFO" = 0x4f464e49
|
|
DWORD info_len; // 0x0a000000
|
|
WORD instruments;
|
|
WORD samples;
|
|
WORD songs;
|
|
WORD patterns;
|
|
WORD channels;
|
|
DWORD song_id; // "SONG" = 0x474e4f53
|
|
DWORD song_len;
|
|
CHAR songname2[44];
|
|
WORD orders;
|
|
// WORD orderlist[0]; // orderlist[orders] in words
|
|
} DBMFILEHEADER;
|
|
|
|
typedef struct DBMINSTRUMENT
|
|
{
|
|
CHAR name[30];
|
|
WORD sampleno;
|
|
WORD volume;
|
|
DWORD finetune;
|
|
DWORD loopstart;
|
|
DWORD looplen;
|
|
WORD panning;
|
|
WORD flags;
|
|
} DBMINSTRUMENT;
|
|
|
|
typedef struct DBMENVELOPE
|
|
{
|
|
WORD instrument;
|
|
BYTE flags;
|
|
BYTE numpoints;
|
|
BYTE sustain1;
|
|
BYTE loopbegin;
|
|
BYTE loopend;
|
|
BYTE sustain2;
|
|
WORD volenv[2*32];
|
|
} DBMENVELOPE;
|
|
|
|
typedef struct DBMPATTERN
|
|
{
|
|
WORD rows;
|
|
DWORD packedsize;
|
|
BYTE patterndata[2]; // [packedsize]
|
|
} DBMPATTERN;
|
|
|
|
typedef struct DBMSAMPLE
|
|
{
|
|
DWORD flags;
|
|
DWORD samplesize;
|
|
BYTE sampledata[2]; // [samplesize]
|
|
} DBMSAMPLE;
|
|
|
|
#pragma pack()
|
|
|
|
|
|
BOOL CSoundFile::ReadDBM(const BYTE *lpStream, DWORD dwMemLength)
|
|
//---------------------------------------------------------------
|
|
{
|
|
DBMFILEHEADER *pfh = (DBMFILEHEADER *)lpStream;
|
|
DWORD dwMemPos;
|
|
UINT nOrders, nSamples, nInstruments, nPatterns;
|
|
|
|
if ((!lpStream) || (dwMemLength <= sizeof(DBMFILEHEADER)) || (!pfh->channels)
|
|
|| (pfh->dbm_id != DBM_FILE_MAGIC) || (!pfh->songs) || (pfh->song_id != DBM_ID_SONG)
|
|
|| (pfh->name_id != DBM_ID_NAME) || (pfh->name_len != DBM_NAMELEN)
|
|
|| (pfh->info_id != DBM_ID_INFO) || (pfh->info_len != DBM_INFOLEN)) return FALSE;
|
|
dwMemPos = sizeof(DBMFILEHEADER);
|
|
nOrders = bswapBE16(pfh->orders);
|
|
if (dwMemPos + 2 * nOrders + 8*3 >= dwMemLength) return FALSE;
|
|
nInstruments = bswapBE16(pfh->instruments);
|
|
nSamples = bswapBE16(pfh->samples);
|
|
nPatterns = bswapBE16(pfh->patterns);
|
|
m_nType = MOD_TYPE_DBM;
|
|
m_nChannels = bswapBE16(pfh->channels);
|
|
if (m_nChannels < 4) m_nChannels = 4;
|
|
if (m_nChannels > 64) m_nChannels = 64;
|
|
memcpy(m_szNames[0], (pfh->songname[0]) ? pfh->songname : pfh->songname2, 32);
|
|
m_szNames[0][31] = 0;
|
|
for (UINT iOrd=0; iOrd < nOrders; iOrd++)
|
|
{
|
|
Order[iOrd] = lpStream[dwMemPos+iOrd*2+1];
|
|
if (iOrd >= MAX_ORDERS-2) break;
|
|
}
|
|
dwMemPos += 2*nOrders;
|
|
while (dwMemPos + 10 < dwMemLength)
|
|
{
|
|
DWORD chunk_id = ((LPDWORD)(lpStream+dwMemPos))[0];
|
|
DWORD chunk_size = bswapBE32(((LPDWORD)(lpStream+dwMemPos))[1]);
|
|
DWORD chunk_pos;
|
|
|
|
dwMemPos += 8;
|
|
chunk_pos = dwMemPos;
|
|
if ((dwMemPos + chunk_size > dwMemLength) || (chunk_size > dwMemLength)) break;
|
|
dwMemPos += chunk_size;
|
|
// Instruments
|
|
if (chunk_id == DBM_ID_INST)
|
|
{
|
|
if (nInstruments >= MAX_INSTRUMENTS) nInstruments = MAX_INSTRUMENTS-1;
|
|
for (UINT iIns=0; iIns<nInstruments; iIns++)
|
|
{
|
|
MODINSTRUMENT *psmp;
|
|
INSTRUMENTHEADER *penv;
|
|
DBMINSTRUMENT *pih;
|
|
UINT nsmp;
|
|
|
|
if (chunk_pos + sizeof(DBMINSTRUMENT) > dwMemPos) break;
|
|
if ((penv = new INSTRUMENTHEADER) == NULL) break;
|
|
pih = (DBMINSTRUMENT *)(lpStream+chunk_pos);
|
|
nsmp = bswapBE16(pih->sampleno);
|
|
psmp = ((nsmp) && (nsmp < MAX_SAMPLES)) ? &Ins[nsmp] : NULL;
|
|
memset(penv, 0, sizeof(INSTRUMENTHEADER));
|
|
memcpy(penv->name, pih->name, 30);
|
|
if (psmp)
|
|
{
|
|
memcpy(m_szNames[nsmp], pih->name, 30);
|
|
m_szNames[nsmp][30] = 0;
|
|
}
|
|
Headers[iIns+1] = penv;
|
|
penv->nFadeOut = 1024; // ???
|
|
penv->nGlobalVol = 64;
|
|
penv->nPan = bswapBE16(pih->panning);
|
|
if ((penv->nPan) && (penv->nPan < 256))
|
|
penv->dwFlags = ENV_SETPANNING;
|
|
else
|
|
penv->nPan = 128;
|
|
penv->nPPC = 5*12;
|
|
for (UINT i=0; i<120; i++)
|
|
{
|
|
penv->Keyboard[i] = nsmp;
|
|
penv->NoteMap[i] = i+1;
|
|
}
|
|
// Sample Info
|
|
if (psmp)
|
|
{
|
|
DWORD sflags = bswapBE16(pih->flags);
|
|
psmp->nVolume = bswapBE16(pih->volume) * 4;
|
|
if ((!psmp->nVolume) || (psmp->nVolume > 256)) psmp->nVolume = 256;
|
|
psmp->nGlobalVol = 64;
|
|
psmp->nC4Speed = bswapBE32(pih->finetune);
|
|
int f2t = FrequencyToTranspose(psmp->nC4Speed);
|
|
psmp->RelativeTone = f2t >> 7;
|
|
psmp->nFineTune = f2t & 0x7F;
|
|
if ((pih->looplen) && (sflags & 3))
|
|
{
|
|
psmp->nLoopStart = bswapBE32(pih->loopstart);
|
|
psmp->nLoopEnd = psmp->nLoopStart + bswapBE32(pih->looplen);
|
|
psmp->uFlags |= CHN_LOOP;
|
|
psmp->uFlags &= ~CHN_PINGPONGLOOP;
|
|
if (sflags & 2) psmp->uFlags |= CHN_PINGPONGLOOP;
|
|
}
|
|
}
|
|
chunk_pos += sizeof(DBMINSTRUMENT);
|
|
m_nInstruments = iIns+1;
|
|
}
|
|
} else
|
|
// Volume Envelopes
|
|
if (chunk_id == DBM_ID_VENV)
|
|
{
|
|
UINT nEnvelopes = lpStream[chunk_pos+1];
|
|
|
|
chunk_pos += 2;
|
|
for (UINT iEnv=0; iEnv<nEnvelopes; iEnv++)
|
|
{
|
|
DBMENVELOPE *peh;
|
|
UINT nins;
|
|
|
|
if (chunk_pos + sizeof(DBMENVELOPE) > dwMemPos) break;
|
|
peh = (DBMENVELOPE *)(lpStream+chunk_pos);
|
|
nins = bswapBE16(peh->instrument);
|
|
if ((nins) && (nins < MAX_INSTRUMENTS) && (Headers[nins]) && (peh->numpoints))
|
|
{
|
|
INSTRUMENTHEADER *penv = Headers[nins];
|
|
|
|
if (peh->flags & 1) penv->dwFlags |= ENV_VOLUME;
|
|
if (peh->flags & 2) penv->dwFlags |= ENV_VOLSUSTAIN;
|
|
if (peh->flags & 4) penv->dwFlags |= ENV_VOLLOOP;
|
|
penv->nVolEnv = peh->numpoints + 1;
|
|
if (penv->nVolEnv > MAX_ENVPOINTS) penv->nVolEnv = MAX_ENVPOINTS;
|
|
penv->nVolLoopStart = peh->loopbegin;
|
|
penv->nVolLoopEnd = peh->loopend;
|
|
penv->nVolSustainBegin = penv->nVolSustainEnd = peh->sustain1;
|
|
for (UINT i=0; i<penv->nVolEnv; i++)
|
|
{
|
|
penv->VolPoints[i] = bswapBE16(peh->volenv[i*2]);
|
|
penv->VolEnv[i] = (BYTE)bswapBE16(peh->volenv[i*2+1]);
|
|
}
|
|
}
|
|
chunk_pos += sizeof(DBMENVELOPE);
|
|
}
|
|
} else
|
|
// Packed Pattern Data
|
|
if (chunk_id == DBM_ID_PATT)
|
|
{
|
|
if (nPatterns > MAX_PATTERNS) nPatterns = MAX_PATTERNS;
|
|
for (UINT iPat=0; iPat<nPatterns; iPat++)
|
|
{
|
|
DBMPATTERN *pph;
|
|
DWORD pksize;
|
|
UINT nRows;
|
|
|
|
if (chunk_pos + sizeof(DBMPATTERN) > dwMemPos) break;
|
|
pph = (DBMPATTERN *)(lpStream+chunk_pos);
|
|
pksize = bswapBE32(pph->packedsize);
|
|
if ((chunk_pos + pksize + 6 > dwMemPos) || (pksize > dwMemPos)) break;
|
|
nRows = bswapBE16(pph->rows);
|
|
if ((nRows >= 4) && (nRows <= 256))
|
|
{
|
|
MODCOMMAND *m = AllocatePattern(nRows, m_nChannels);
|
|
if (m)
|
|
{
|
|
LPBYTE pkdata = (LPBYTE)&pph->patterndata;
|
|
UINT row = 0;
|
|
UINT i = 0;
|
|
|
|
PatternSize[iPat] = nRows;
|
|
Patterns[iPat] = m;
|
|
while ((i+3<pksize) && (row < nRows))
|
|
{
|
|
UINT ch = pkdata[i++];
|
|
|
|
if (ch)
|
|
{
|
|
BYTE b = pkdata[i++];
|
|
ch--;
|
|
if (ch < m_nChannels)
|
|
{
|
|
if (b & 0x01)
|
|
{
|
|
UINT note = pkdata[i++];
|
|
|
|
if (note == 0x1F) note = 0xFF; else
|
|
if ((note) && (note < 0xFE))
|
|
{
|
|
note = ((note >> 4)*12) + (note & 0x0F) + 13;
|
|
}
|
|
m[ch].note = note;
|
|
}
|
|
if (b & 0x02) m[ch].instr = pkdata[i++];
|
|
if (b & 0x3C)
|
|
{
|
|
UINT cmd1 = 0xFF, param1 = 0, cmd2 = 0xFF, param2 = 0;
|
|
if (b & 0x04) cmd1 = (UINT)pkdata[i++];
|
|
if (b & 0x08) param1 = pkdata[i++];
|
|
if (b & 0x10) cmd2 = (UINT)pkdata[i++];
|
|
if (b & 0x20) param2 = pkdata[i++];
|
|
if (cmd1 == 0x0C)
|
|
{
|
|
m[ch].volcmd = VOLCMD_VOLUME;
|
|
m[ch].vol = param1;
|
|
cmd1 = 0xFF;
|
|
} else
|
|
if (cmd2 == 0x0C)
|
|
{
|
|
m[ch].volcmd = VOLCMD_VOLUME;
|
|
m[ch].vol = param2;
|
|
cmd2 = 0xFF;
|
|
}
|
|
if ((cmd1 > 0x13) || ((cmd1 >= 0x10) && (cmd2 < 0x10)))
|
|
{
|
|
cmd1 = cmd2;
|
|
param1 = param2;
|
|
cmd2 = 0xFF;
|
|
}
|
|
if (cmd1 <= 0x13)
|
|
{
|
|
m[ch].command = cmd1;
|
|
m[ch].param = param1;
|
|
ConvertModCommand(&m[ch]);
|
|
}
|
|
}
|
|
} else
|
|
{
|
|
if (b & 0x01) i++;
|
|
if (b & 0x02) i++;
|
|
if (b & 0x04) i++;
|
|
if (b & 0x08) i++;
|
|
if (b & 0x10) i++;
|
|
if (b & 0x20) i++;
|
|
}
|
|
} else
|
|
{
|
|
row++;
|
|
m += m_nChannels;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
chunk_pos += 6 + pksize;
|
|
}
|
|
} else
|
|
// Reading Sample Data
|
|
if (chunk_id == DBM_ID_SMPL)
|
|
{
|
|
if (nSamples >= MAX_SAMPLES) nSamples = MAX_SAMPLES-1;
|
|
m_nSamples = nSamples;
|
|
for (UINT iSmp=1; iSmp<=nSamples; iSmp++)
|
|
{
|
|
MODINSTRUMENT *pins;
|
|
DBMSAMPLE *psh;
|
|
DWORD samplesize;
|
|
DWORD sampleflags;
|
|
|
|
if (chunk_pos + sizeof(DBMSAMPLE) >= dwMemPos) break;
|
|
psh = (DBMSAMPLE *)(lpStream+chunk_pos);
|
|
chunk_pos += 8;
|
|
samplesize = bswapBE32(psh->samplesize);
|
|
sampleflags = bswapBE32(psh->flags);
|
|
pins = &Ins[iSmp];
|
|
pins->nLength = samplesize;
|
|
if (sampleflags & 2)
|
|
{
|
|
pins->uFlags |= CHN_16BIT;
|
|
samplesize <<= 1;
|
|
}
|
|
if ((chunk_pos+samplesize > dwMemPos) || (samplesize > dwMemLength)) break;
|
|
if (sampleflags & 3)
|
|
{
|
|
ReadSample(pins, (pins->uFlags & CHN_16BIT) ? RS_PCM16M : RS_PCM8S,
|
|
(LPSTR)(psh->sampledata), samplesize);
|
|
}
|
|
chunk_pos += samplesize;
|
|
}
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|