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path: root/gst/modplug/libmodplug/load_mdl.cpp
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-rw-r--r--gst/modplug/libmodplug/load_mdl.cpp508
1 files changed, 0 insertions, 508 deletions
diff --git a/gst/modplug/libmodplug/load_mdl.cpp b/gst/modplug/libmodplug/load_mdl.cpp
deleted file mode 100644
index 20cb176d0..000000000
--- a/gst/modplug/libmodplug/load_mdl.cpp
+++ /dev/null
@@ -1,508 +0,0 @@
-/*
- * This source code is public domain.
- *
- * Authors: Olivier Lapicque <olivierl@jps.net>
-*/
-
-//////////////////////////////////////////////
-// DigiTracker (MDL) module loader //
-//////////////////////////////////////////////
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "stdafx.h"
-#include "sndfile.h"
-
-//#pragma warning(disable:4244)
-
-typedef struct MDLSONGHEADER
-{
- DWORD id; // "DMDL" = 0x4C444D44
- BYTE version;
-} MDLSONGHEADER;
-
-
-typedef struct MDLINFOBLOCK
-{
- CHAR songname[32];
- CHAR composer[20];
- WORD norders;
- WORD repeatpos;
- BYTE globalvol;
- BYTE speed;
- BYTE tempo;
- BYTE channelinfo[32];
- BYTE seq[256];
-} MDLINFOBLOCK;
-
-
-typedef struct MDLPATTERNDATA
-{
- BYTE channels;
- BYTE lastrow; // nrows = lastrow+1
- CHAR name[16];
- WORD data[1];
-} MDLPATTERNDATA;
-
-
-void ConvertMDLCommand(MODCOMMAND *m, UINT eff, UINT data)
-//--------------------------------------------------------
-{
- UINT command = 0, param = data;
- switch(eff)
- {
- case 0x01: command = CMD_PORTAMENTOUP; break;
- case 0x02: command = CMD_PORTAMENTODOWN; break;
- case 0x03: command = CMD_TONEPORTAMENTO; break;
- case 0x04: command = CMD_VIBRATO; break;
- case 0x05: command = CMD_ARPEGGIO; break;
- case 0x07: command = (param < 0x20) ? CMD_SPEED : CMD_TEMPO; break;
- case 0x08: command = CMD_PANNING8; param <<= 1; break;
- case 0x0B: command = CMD_POSITIONJUMP; break;
- case 0x0C: command = CMD_GLOBALVOLUME; break;
- case 0x0D: command = CMD_PATTERNBREAK; param = (data & 0x0F) + (data>>4)*10; break;
- case 0x0E:
- command = CMD_S3MCMDEX;
- switch(data & 0xF0)
- {
- case 0x00: command = 0; break; // What is E0x in MDL (there is a bunch) ?
- case 0x10: if (param & 0x0F) { param |= 0xF0; command = CMD_PANNINGSLIDE; } else command = 0; break;
- case 0x20: if (param & 0x0F) { param = (param << 4) | 0x0F; command = CMD_PANNINGSLIDE; } else command = 0; break;
- case 0x30: param = (data & 0x0F) | 0x10; break; // glissando
- case 0x40: param = (data & 0x0F) | 0x30; break; // vibrato waveform
- case 0x60: param = (data & 0x0F) | 0xB0; break;
- case 0x70: param = (data & 0x0F) | 0x40; break; // tremolo waveform
- case 0x90: command = CMD_RETRIG; param &= 0x0F; break;
- case 0xA0: param = (data & 0x0F) << 4; command = CMD_GLOBALVOLSLIDE; break;
- case 0xB0: param = data & 0x0F; command = CMD_GLOBALVOLSLIDE; break;
- case 0xF0: param = ((data >> 8) & 0x0F) | 0xA0; break;
- }
- break;
- case 0x0F: command = CMD_SPEED; break;
- case 0x10: if ((param & 0xF0) != 0xE0) { command = CMD_VOLUMESLIDE; if ((param & 0xF0) == 0xF0) param = ((param << 4) | 0x0F); else param >>= 2; } break;
- case 0x20: if ((param & 0xF0) != 0xE0) { command = CMD_VOLUMESLIDE; if ((param & 0xF0) != 0xF0) param >>= 2; } break;
- case 0x30: command = CMD_RETRIG; break;
- case 0x40: command = CMD_TREMOLO; break;
- case 0x50: command = CMD_TREMOR; break;
- case 0xEF: if (param > 0xFF) param = 0xFF; command = CMD_OFFSET; break;
- }
- if (command)
- {
- m->command = command;
- m->param = param;
- }
-}
-
-
-void UnpackMDLTrack(MODCOMMAND *pat, UINT nChannels, UINT nRows, UINT nTrack, const BYTE *lpTracks)
-//-------------------------------------------------------------------------------------------------
-{
- MODCOMMAND cmd, *m = pat;
- UINT len = *((WORD *)lpTracks);
- UINT pos = 0, row = 0, i;
- lpTracks += 2;
- for (UINT ntrk=1; ntrk<nTrack; ntrk++)
- {
- lpTracks += len;
- len = *((WORD *)lpTracks);
- lpTracks += 2;
- }
- cmd.note = cmd.instr = 0;
- cmd.volcmd = cmd.vol = 0;
- cmd.command = cmd.param = 0;
- while ((row < nRows) && (pos < len))
- {
- UINT xx;
- BYTE b = lpTracks[pos++];
- xx = b >> 2;
- switch(b & 0x03)
- {
- case 0x01:
- for (i=0; i<=xx; i++)
- {
- if (row) *m = *(m-nChannels);
- m += nChannels;
- row++;
- if (row >= nRows) break;
- }
- break;
-
- case 0x02:
- if (xx < row) *m = pat[nChannels*xx];
- m += nChannels;
- row++;
- break;
-
- case 0x03:
- {
- cmd.note = (xx & 0x01) ? lpTracks[pos++] : 0;
- cmd.instr = (xx & 0x02) ? lpTracks[pos++] : 0;
- cmd.volcmd = cmd.vol = 0;
- cmd.command = cmd.param = 0;
- if ((cmd.note < 120-12) && (cmd.note)) cmd.note += 12;
- UINT volume = (xx & 0x04) ? lpTracks[pos++] : 0;
- UINT commands = (xx & 0x08) ? lpTracks[pos++] : 0;
- UINT command1 = commands & 0x0F;
- UINT command2 = commands & 0xF0;
- UINT param1 = (xx & 0x10) ? lpTracks[pos++] : 0;
- UINT param2 = (xx & 0x20) ? lpTracks[pos++] : 0;
- if ((command1 == 0x0E) && ((param1 & 0xF0) == 0xF0) && (!command2))
- {
- param1 = ((param1 & 0x0F) << 8) | param2;
- command1 = 0xEF;
- command2 = param2 = 0;
- }
- if (volume)
- {
- cmd.volcmd = VOLCMD_VOLUME;
- cmd.vol = (volume+1) >> 2;
- }
- ConvertMDLCommand(&cmd, command1, param1);
- if ((cmd.command != CMD_SPEED)
- && (cmd.command != CMD_TEMPO)
- && (cmd.command != CMD_PATTERNBREAK))
- ConvertMDLCommand(&cmd, command2, param2);
- *m = cmd;
- m += nChannels;
- row++;
- }
- break;
-
- // Empty Slots
- default:
- row += xx+1;
- m += (xx+1)*nChannels;
- if (row >= nRows) break;
- }
- }
-}
-
-
-
-BOOL CSoundFile::ReadMDL(const BYTE *lpStream, DWORD dwMemLength)
-//---------------------------------------------------------------
-{
- DWORD dwMemPos, dwPos, blocklen, dwTrackPos;
- const MDLSONGHEADER *pmsh = (const MDLSONGHEADER *)lpStream;
- MDLINFOBLOCK *pmib;
- MDLPATTERNDATA *pmpd;
- UINT i,j, norders = 0, npatterns = 0, ntracks = 0;
- UINT ninstruments = 0, nsamples = 0;
- WORD block;
- WORD patterntracks[MAX_PATTERNS*32];
- BYTE smpinfo[MAX_SAMPLES];
- BYTE insvolenv[MAX_INSTRUMENTS];
- BYTE inspanenv[MAX_INSTRUMENTS];
- LPCBYTE pvolenv, ppanenv, ppitchenv;
- UINT nvolenv, npanenv, npitchenv;
-
- if ((!lpStream) || (dwMemLength < 1024)) return FALSE;
- if ((pmsh->id != 0x4C444D44) || ((pmsh->version & 0xF0) > 0x10)) return FALSE;
- memset(patterntracks, 0, sizeof(patterntracks));
- memset(smpinfo, 0, sizeof(smpinfo));
- memset(insvolenv, 0, sizeof(insvolenv));
- memset(inspanenv, 0, sizeof(inspanenv));
- dwMemPos = 5;
- dwTrackPos = 0;
- pvolenv = ppanenv = ppitchenv = NULL;
- nvolenv = npanenv = npitchenv = 0;
- m_nSamples = m_nInstruments = 0;
- while (dwMemPos+6 < dwMemLength)
- {
- block = *((WORD *)(lpStream+dwMemPos));
- blocklen = *((DWORD *)(lpStream+dwMemPos+2));
- dwMemPos += 6;
- if (dwMemPos + blocklen > dwMemLength)
- {
- if (dwMemPos == 11) return FALSE;
- break;
- }
- switch(block)
- {
- // IN: infoblock
- case 0x4E49:
- pmib = (MDLINFOBLOCK *)(lpStream+dwMemPos);
- memcpy(m_szNames[0], pmib->songname, 32);
- norders = pmib->norders;
- if (norders > MAX_ORDERS) norders = MAX_ORDERS;
- m_nRestartPos = pmib->repeatpos;
- m_nDefaultGlobalVolume = pmib->globalvol;
- m_nDefaultTempo = pmib->tempo;
- m_nDefaultSpeed = pmib->speed;
- m_nChannels = 4;
- for (i=0; i<32; i++)
- {
- ChnSettings[i].nVolume = 64;
- ChnSettings[i].nPan = (pmib->channelinfo[i] & 0x7F) << 1;
- if (pmib->channelinfo[i] & 0x80)
- ChnSettings[i].dwFlags |= CHN_MUTE;
- else
- m_nChannels = i+1;
- }
- for (j=0; j<norders; j++) Order[j] = pmib->seq[j];
- break;
- // ME: song message
- case 0x454D:
- if (blocklen)
- {
- if (m_lpszSongComments) delete m_lpszSongComments;
- m_lpszSongComments = new char[blocklen];
- if (m_lpszSongComments)
- {
- memcpy(m_lpszSongComments, lpStream+dwMemPos, blocklen);
- m_lpszSongComments[blocklen-1] = 0;
- }
- }
- break;
- // PA: Pattern Data
- case 0x4150:
- npatterns = lpStream[dwMemPos];
- if (npatterns > MAX_PATTERNS) npatterns = MAX_PATTERNS;
- dwPos = dwMemPos + 1;
- for (i=0; i<npatterns; i++)
- {
- if (dwPos+18 >= dwMemLength) break;
- pmpd = (MDLPATTERNDATA *)(lpStream + dwPos);
- if (pmpd->channels > 32) break;
- PatternSize[i] = pmpd->lastrow+1;
- if (m_nChannels < pmpd->channels) m_nChannels = pmpd->channels;
- dwPos += 18 + 2*pmpd->channels;
- for (j=0; j<pmpd->channels; j++)
- {
- patterntracks[i*32+j] = pmpd->data[j];
- }
- }
- break;
- // TR: Track Data
- case 0x5254:
- if (dwTrackPos) break;
- ntracks = *((WORD *)(lpStream+dwMemPos));
- dwTrackPos = dwMemPos+2;
- break;
- // II: Instruments
- case 0x4949:
- ninstruments = lpStream[dwMemPos];
- dwPos = dwMemPos+1;
- for (i=0; i<ninstruments; i++)
- {
- UINT nins = lpStream[dwPos];
- if ((nins >= MAX_INSTRUMENTS) || (!nins)) break;
- if (m_nInstruments < nins) m_nInstruments = nins;
- if (!Headers[nins])
- {
- UINT note = 12;
- if ((Headers[nins] = new INSTRUMENTHEADER) == NULL) break;
- INSTRUMENTHEADER *penv = Headers[nins];
- memset(penv, 0, sizeof(INSTRUMENTHEADER));
- memcpy(penv->name, lpStream+dwPos+2, 32);
- penv->nGlobalVol = 64;
- penv->nPPC = 5*12;
- for (j=0; j<lpStream[dwPos+1]; j++)
- {
- const BYTE *ps = lpStream+dwPos+34+14*j;
- while ((note < (UINT)(ps[1]+12)) && (note < 120))
- {
- penv->NoteMap[note] = note+1;
- if (ps[0] < MAX_SAMPLES)
- {
- int ismp = ps[0];
- penv->Keyboard[note] = ps[0];
- Ins[ismp].nVolume = ps[2];
- Ins[ismp].nPan = ps[4] << 1;
- Ins[ismp].nVibType = ps[11];
- Ins[ismp].nVibSweep = ps[10];
- Ins[ismp].nVibDepth = ps[9];
- Ins[ismp].nVibRate = ps[8];
- }
- penv->nFadeOut = (ps[7] << 8) | ps[6];
- if (penv->nFadeOut == 0xFFFF) penv->nFadeOut = 0;
- note++;
- }
- // Use volume envelope ?
- if (ps[3] & 0x80)
- {
- penv->dwFlags |= ENV_VOLUME;
- insvolenv[nins] = (ps[3] & 0x3F) + 1;
- }
- // Use panning envelope ?
- if (ps[5] & 0x80)
- {
- penv->dwFlags |= ENV_PANNING;
- inspanenv[nins] = (ps[5] & 0x3F) + 1;
- }
- }
- }
- dwPos += 34 + 14*lpStream[dwPos+1];
- }
- for (j=1; j<=m_nInstruments; j++) if (!Headers[j])
- {
- Headers[j] = new INSTRUMENTHEADER;
- if (Headers[j]) memset(Headers[j], 0, sizeof(INSTRUMENTHEADER));
- }
- break;
- // VE: Volume Envelope
- case 0x4556:
- if ((nvolenv = lpStream[dwMemPos]) == 0) break;
- if (dwMemPos + nvolenv*32 + 1 <= dwMemLength) pvolenv = lpStream + dwMemPos + 1;
- break;
- // PE: Panning Envelope
- case 0x4550:
- if ((npanenv = lpStream[dwMemPos]) == 0) break;
- if (dwMemPos + npanenv*32 + 1 <= dwMemLength) ppanenv = lpStream + dwMemPos + 1;
- break;
- // FE: Pitch Envelope
- case 0x4546:
- if ((npitchenv = lpStream[dwMemPos]) == 0) break;
- if (dwMemPos + npitchenv*32 + 1 <= dwMemLength) ppitchenv = lpStream + dwMemPos + 1;
- break;
- // IS: Sample Infoblock
- case 0x5349:
- nsamples = lpStream[dwMemPos];
- dwPos = dwMemPos+1;
- for (i=0; i<nsamples; i++, dwPos += 59)
- {
- UINT nins = lpStream[dwPos];
- if ((nins >= MAX_SAMPLES) || (!nins)) continue;
- if (m_nSamples < nins) m_nSamples = nins;
- MODINSTRUMENT *pins = &Ins[nins];
- memcpy(m_szNames[nins], lpStream+dwPos+1, 32);
- memcpy(pins->name, lpStream+dwPos+33, 8);
- pins->nC4Speed = *((DWORD *)(lpStream+dwPos+41));
- pins->nLength = *((DWORD *)(lpStream+dwPos+45));
- pins->nLoopStart = *((DWORD *)(lpStream+dwPos+49));
- pins->nLoopEnd = pins->nLoopStart + *((DWORD *)(lpStream+dwPos+53));
- if (pins->nLoopEnd > pins->nLoopStart) pins->uFlags |= CHN_LOOP;
- pins->nGlobalVol = 64;
- if (lpStream[dwPos+58] & 0x01)
- {
- pins->uFlags |= CHN_16BIT;
- pins->nLength >>= 1;
- pins->nLoopStart >>= 1;
- pins->nLoopEnd >>= 1;
- }
- if (lpStream[dwPos+58] & 0x02) pins->uFlags |= CHN_PINGPONGLOOP;
- smpinfo[nins] = (lpStream[dwPos+58] >> 2) & 3;
- }
- break;
- // SA: Sample Data
- case 0x4153:
- dwPos = dwMemPos;
- for (i=1; i<=m_nSamples; i++) if ((Ins[i].nLength) && (!Ins[i].pSample) && (smpinfo[i] != 3) && (dwPos < dwMemLength))
- {
- MODINSTRUMENT *pins = &Ins[i];
- UINT flags = (pins->uFlags & CHN_16BIT) ? RS_PCM16S : RS_PCM8S;
- if (!smpinfo[i])
- {
- dwPos += ReadSample(pins, flags, (LPSTR)(lpStream+dwPos), dwMemLength - dwPos);
- } else
- {
- DWORD dwLen = *((DWORD *)(lpStream+dwPos));
- dwPos += 4;
- if ((dwPos+dwLen <= dwMemLength) && (dwLen > 4))
- {
- flags = (pins->uFlags & CHN_16BIT) ? RS_MDL16 : RS_MDL8;
- ReadSample(pins, flags, (LPSTR)(lpStream+dwPos), dwLen);
- }
- dwPos += dwLen;
- }
- }
- break;
- }
- dwMemPos += blocklen;
- }
- // Unpack Patterns
- if ((dwTrackPos) && (npatterns) && (m_nChannels) && (ntracks))
- {
- for (UINT ipat=0; ipat<npatterns; ipat++)
- {
- if ((Patterns[ipat] = AllocatePattern(PatternSize[ipat], m_nChannels)) == NULL) break;
- for (UINT chn=0; chn<m_nChannels; chn++) if ((patterntracks[ipat*32+chn]) && (patterntracks[ipat*32+chn] <= ntracks))
- {
- MODCOMMAND *m = Patterns[ipat] + chn;
- UnpackMDLTrack(m, m_nChannels, PatternSize[ipat], patterntracks[ipat*32+chn], lpStream+dwTrackPos);
- }
- }
- }
- // Set up envelopes
- for (UINT iIns=1; iIns<=m_nInstruments; iIns++) if (Headers[iIns])
- {
- INSTRUMENTHEADER *penv = Headers[iIns];
- // Setup volume envelope
- if ((nvolenv) && (pvolenv) && (insvolenv[iIns]))
- {
- LPCBYTE pve = pvolenv;
- for (UINT nve=0; nve<nvolenv; nve++, pve+=33) if (pve[0]+1 == insvolenv[iIns])
- {
- WORD vtick = 1;
- penv->nVolEnv = 15;
- for (UINT iv=0; iv<15; iv++)
- {
- if (iv) vtick += pve[iv*2+1];
- penv->VolPoints[iv] = vtick;
- penv->VolEnv[iv] = pve[iv*2+2];
- if (!pve[iv*2+1])
- {
- penv->nVolEnv = iv+1;
- break;
- }
- }
- penv->nVolSustainBegin = penv->nVolSustainEnd = pve[31] & 0x0F;
- if (pve[31] & 0x10) penv->dwFlags |= ENV_VOLSUSTAIN;
- if (pve[31] & 0x20) penv->dwFlags |= ENV_VOLLOOP;
- penv->nVolLoopStart = pve[32] & 0x0F;
- penv->nVolLoopEnd = pve[32] >> 4;
- }
- }
- // Setup panning envelope
- if ((npanenv) && (ppanenv) && (inspanenv[iIns]))
- {
- LPCBYTE ppe = ppanenv;
- for (UINT npe=0; npe<npanenv; npe++, ppe+=33) if (ppe[0]+1 == inspanenv[iIns])
- {
- WORD vtick = 1;
- penv->nPanEnv = 15;
- for (UINT iv=0; iv<15; iv++)
- {
- if (iv) vtick += ppe[iv*2+1];
- penv->PanPoints[iv] = vtick;
- penv->PanEnv[iv] = ppe[iv*2+2];
- if (!ppe[iv*2+1])
- {
- penv->nPanEnv = iv+1;
- break;
- }
- }
- if (ppe[31] & 0x10) penv->dwFlags |= ENV_PANSUSTAIN;
- if (ppe[31] & 0x20) penv->dwFlags |= ENV_PANLOOP;
- penv->nPanLoopStart = ppe[32] & 0x0F;
- penv->nPanLoopEnd = ppe[32] >> 4;
- }
- }
- }
- m_dwSongFlags |= SONG_LINEARSLIDES;
- m_nType = MOD_TYPE_MDL;
- return TRUE;
-}
-
-
-/////////////////////////////////////////////////////////////////////////
-// MDL Sample Unpacking
-
-// MDL Huffman ReadBits compression
-WORD MDLReadBits(DWORD &bitbuf, UINT &bitnum, LPBYTE &ibuf, CHAR n)
-//-----------------------------------------------------------------
-{
- WORD v = (WORD)(bitbuf & ((1 << n) - 1) );
- bitbuf >>= n;
- bitnum -= n;
- if (bitnum <= 24)
- {
- bitbuf |= (((DWORD)(*ibuf++)) << bitnum);
- bitnum += 8;
- }
- return v;
-}
-
-
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