summaryrefslogtreecommitdiffstats
path: root/gst/modplug/libmodplug/load_ptm.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'gst/modplug/libmodplug/load_ptm.cpp')
-rw-r--r--gst/modplug/libmodplug/load_ptm.cpp217
1 files changed, 0 insertions, 217 deletions
diff --git a/gst/modplug/libmodplug/load_ptm.cpp b/gst/modplug/libmodplug/load_ptm.cpp
deleted file mode 100644
index 278c0aa1..00000000
--- a/gst/modplug/libmodplug/load_ptm.cpp
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * This source code is public domain.
- *
- * Authors: Olivier Lapicque <olivierl@jps.net>,
- * Adam Goode <adam@evdebs.org> (endian and char fixes for PPC)
-*/
-
-//////////////////////////////////////////////
-// PTM PolyTracker module loader //
-//////////////////////////////////////////////
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "stdafx.h"
-#include "sndfile.h"
-
-//#pragma warning(disable:4244)
-
-#pragma pack(1)
-
-typedef struct PTMFILEHEADER
-{
- CHAR songname[28]; // name of song, asciiz string
- CHAR eof; // 26
- BYTE version_lo; // 03 version of file, currently 0203h
- BYTE version_hi; // 02
- BYTE reserved1; // reserved, set to 0
- WORD norders; // number of orders (0..256)
- WORD nsamples; // number of instruments (1..255)
- WORD npatterns; // number of patterns (1..128)
- WORD nchannels; // number of channels (voices) used (1..32)
- WORD fileflags; // set to 0
- WORD reserved2; // reserved, set to 0
- DWORD ptmf_id; // song identification, 'PTMF' or 0x464d5450
- BYTE reserved3[16]; // reserved, set to 0
- BYTE chnpan[32]; // channel panning settings, 0..15, 0 = left, 7 = middle, 15 = right
- BYTE orders[256]; // order list, valid entries 0..nOrders-1
- WORD patseg[128]; // pattern offsets (*16)
-} PTMFILEHEADER, *LPPTMFILEHEADER;
-
-#define SIZEOF_PTMFILEHEADER 608
-
-
-typedef struct PTMSAMPLE
-{
- BYTE sampletype; // sample type (bit array)
- CHAR filename[12]; // name of external sample file
- BYTE volume; // default volume
- WORD nC4Spd; // C4 speed
- WORD sampleseg; // sample segment (used internally)
- WORD fileofs[2]; // offset of sample data
- WORD length[2]; // sample size (in bytes)
- WORD loopbeg[2]; // start of loop
- WORD loopend[2]; // end of loop
- WORD gusdata[8];
- char samplename[28]; // name of sample, asciiz // changed from CHAR
- DWORD ptms_id; // sample identification, 'PTMS' or 0x534d5450
-} PTMSAMPLE;
-
-#define SIZEOF_PTMSAMPLE 80
-
-#pragma pack()
-
-
-BOOL CSoundFile::ReadPTM(const BYTE *lpStream, DWORD dwMemLength)
-//---------------------------------------------------------------
-{
- PTMFILEHEADER pfh = *(LPPTMFILEHEADER)lpStream;
- DWORD dwMemPos;
- UINT nOrders;
-
- pfh.norders = bswapLE16(pfh.norders);
- pfh.nsamples = bswapLE16(pfh.nsamples);
- pfh.npatterns = bswapLE16(pfh.npatterns);
- pfh.nchannels = bswapLE16(pfh.nchannels);
- pfh.fileflags = bswapLE16(pfh.fileflags);
- pfh.reserved2 = bswapLE16(pfh.reserved2);
- pfh.ptmf_id = bswapLE32(pfh.ptmf_id);
- for (UINT j=0; j<128; j++)
- {
- pfh.patseg[j] = bswapLE16(pfh.patseg[j]);
- }
-
- if ((!lpStream) || (dwMemLength < 1024)) return FALSE;
- if ((pfh.ptmf_id != 0x464d5450) || (!pfh.nchannels)
- || (pfh.nchannels > 32)
- || (pfh.norders > 256) || (!pfh.norders)
- || (!pfh.nsamples) || (pfh.nsamples > 255)
- || (!pfh.npatterns) || (pfh.npatterns > 128)
- || (SIZEOF_PTMFILEHEADER+pfh.nsamples*SIZEOF_PTMSAMPLE >= (int)dwMemLength)) return FALSE;
- memcpy(m_szNames[0], pfh.songname, 28);
- m_szNames[0][28] = 0;
- m_nType = MOD_TYPE_PTM;
- m_nChannels = pfh.nchannels;
- m_nSamples = (pfh.nsamples < MAX_SAMPLES) ? pfh.nsamples : MAX_SAMPLES-1;
- dwMemPos = SIZEOF_PTMFILEHEADER;
- nOrders = (pfh.norders < MAX_ORDERS) ? pfh.norders : MAX_ORDERS-1;
- memcpy(Order, pfh.orders, nOrders);
- for (UINT ipan=0; ipan<m_nChannels; ipan++)
- {
- ChnSettings[ipan].nVolume = 64;
- ChnSettings[ipan].nPan = ((pfh.chnpan[ipan] & 0x0F) << 4) + 4;
- }
- for (UINT ismp=0; ismp<m_nSamples; ismp++, dwMemPos += SIZEOF_PTMSAMPLE)
- {
- MODINSTRUMENT *pins = &Ins[ismp+1];
- PTMSAMPLE *psmp = (PTMSAMPLE *)(lpStream+dwMemPos);
-
- lstrcpyn(m_szNames[ismp+1], psmp->samplename, 28);
- memcpy(pins->name, psmp->filename, 12);
- pins->name[12] = 0;
- pins->nGlobalVol = 64;
- pins->nPan = 128;
- pins->nVolume = psmp->volume << 2;
- pins->nC4Speed = bswapLE16(psmp->nC4Spd) << 1;
- pins->uFlags = 0;
- if ((psmp->sampletype & 3) == 1)
- {
- UINT smpflg = RS_PCM8D;
- DWORD samplepos;
- DWORD psmp_length, psmp_loopbeg, psmp_loopend, psmp_fileofs;
- memcpy (&psmp_length, (void *) psmp->length, sizeof (DWORD));
- memcpy (&psmp_loopbeg, (void *) psmp->loopbeg, sizeof (DWORD));
- memcpy (&psmp_loopend, (void *) psmp->loopend, sizeof (DWORD));
- memcpy (&psmp_fileofs, (void *) psmp->fileofs, sizeof (DWORD));
- pins->nLength = bswapLE32(psmp_length);
- pins->nLoopStart = bswapLE32(psmp_loopbeg);
- pins->nLoopEnd = bswapLE32(psmp_loopend);
- samplepos = bswapLE32(psmp_fileofs);
- if (psmp->sampletype & 4) pins->uFlags |= CHN_LOOP;
- if (psmp->sampletype & 8) pins->uFlags |= CHN_PINGPONGLOOP;
- if (psmp->sampletype & 16)
- {
- pins->uFlags |= CHN_16BIT;
- pins->nLength >>= 1;
- pins->nLoopStart >>= 1;
- pins->nLoopEnd >>= 1;
- smpflg = RS_PTM8DTO16;
- }
- if ((pins->nLength) && (samplepos) && (samplepos < dwMemLength))
- {
- ReadSample(pins, smpflg, (LPSTR)(lpStream+samplepos), dwMemLength-samplepos);
- }
- }
- }
- // Reading Patterns
- for (UINT ipat=0; ipat<pfh.npatterns; ipat++)
- {
- dwMemPos = ((UINT)pfh.patseg[ipat]) << 4;
- if ((!dwMemPos) || (dwMemPos >= dwMemLength)) continue;
- PatternSize[ipat] = 64;
- if ((Patterns[ipat] = AllocatePattern(64, m_nChannels)) == NULL) break;
- //
- MODCOMMAND *m = Patterns[ipat];
- for (UINT row=0; ((row < 64) && (dwMemPos < dwMemLength)); )
- {
- UINT b = lpStream[dwMemPos++];
-
- if (dwMemPos >= dwMemLength) break;
- if (b)
- {
- UINT nChn = b & 0x1F;
-
- if (b & 0x20)
- {
- if (dwMemPos + 2 > dwMemLength) break;
- m[nChn].note = lpStream[dwMemPos++];
- m[nChn].instr = lpStream[dwMemPos++];
- }
- if (b & 0x40)
- {
- if (dwMemPos + 2 > dwMemLength) break;
- m[nChn].command = lpStream[dwMemPos++];
- m[nChn].param = lpStream[dwMemPos++];
- if ((m[nChn].command == 0x0E) && ((m[nChn].param & 0xF0) == 0x80))
- {
- m[nChn].command = CMD_S3MCMDEX;
- } else
- if (m[nChn].command < 0x10)
- {
- ConvertModCommand(&m[nChn]);
- } else
- {
- switch(m[nChn].command)
- {
- case 16:
- m[nChn].command = CMD_GLOBALVOLUME;
- break;
- case 17:
- m[nChn].command = CMD_RETRIG;
- break;
- case 18:
- m[nChn].command = CMD_FINEVIBRATO;
- break;
- default:
- m[nChn].command = 0;
- }
- }
- }
- if (b & 0x80)
- {
- if (dwMemPos >= dwMemLength) break;
- m[nChn].volcmd = VOLCMD_VOLUME;
- m[nChn].vol = lpStream[dwMemPos++];
- }
- } else
- {
- row++;
- m += m_nChannels;
- }
- }
- }
- return TRUE;
-}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-10-03 19:19:14 +0000