diff options
Diffstat (limited to 'gst/modplug/libmodplug/load_dsm.cpp')
| -rw-r--r-- | gst/modplug/libmodplug/load_dsm.cpp | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/gst/modplug/libmodplug/load_dsm.cpp b/gst/modplug/libmodplug/load_dsm.cpp deleted file mode 100644 index d84817ee..00000000 --- a/gst/modplug/libmodplug/load_dsm.cpp +++ /dev/null @@ -1,241 +0,0 @@ -/* - * This source code is public domain. - * - * Authors: Olivier Lapicque <olivierl@jps.net> -*/ - -////////////////////////////////////////////// -// DSIK Internal Format (DSM) module loader // -////////////////////////////////////////////// - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "stdafx.h" -#include "sndfile.h" - -#pragma pack(1) - -#define DSMID_RIFF 0x46464952 // "RIFF" -#define DSMID_DSMF 0x464d5344 // "DSMF" -#define DSMID_SONG 0x474e4f53 // "SONG" -#define DSMID_INST 0x54534e49 // "INST" -#define DSMID_PATT 0x54544150 // "PATT" - - -typedef struct DSMNOTE -{ - BYTE note,ins,vol,cmd,inf; -} DSMNOTE; - - -typedef struct DSMINST -{ - DWORD id_INST; - DWORD inst_len; - CHAR filename[13]; - BYTE flags; - BYTE flags2; - BYTE volume; - DWORD length; - DWORD loopstart; - DWORD loopend; - DWORD reserved1; - WORD c2spd; - WORD reserved2; - CHAR samplename[28]; -} DSMINST; - - -typedef struct DSMFILEHEADER -{ - DWORD id_RIFF; // "RIFF" - DWORD riff_len; - DWORD id_DSMF; // "DSMF" - DWORD id_SONG; // "SONG" - DWORD song_len; -} DSMFILEHEADER; - - -typedef struct DSMSONG -{ - CHAR songname[28]; - WORD reserved1; - WORD flags; - DWORD reserved2; - WORD numord; - WORD numsmp; - WORD numpat; - WORD numtrk; - BYTE globalvol; - BYTE mastervol; - BYTE speed; - BYTE bpm; - BYTE panpos[16]; - BYTE orders[128]; -} DSMSONG; - -typedef struct DSMPATT -{ - DWORD id_PATT; - DWORD patt_len; - BYTE dummy1; - BYTE dummy2; -} DSMPATT; - -#pragma pack() - - -BOOL CSoundFile::ReadDSM(LPCBYTE lpStream, DWORD dwMemLength) -//----------------------------------------------------------- -{ - DSMFILEHEADER *pfh = (DSMFILEHEADER *)lpStream; - DSMSONG *psong; - DWORD dwMemPos; - UINT nPat, nSmp; - - if ((!lpStream) || (dwMemLength < 1024) || (pfh->id_RIFF != DSMID_RIFF) - || (pfh->riff_len + 8 > dwMemLength) || (pfh->riff_len < 1024) - || (pfh->id_DSMF != DSMID_DSMF) || (pfh->id_SONG != DSMID_SONG) - || (pfh->song_len > dwMemLength)) return FALSE; - psong = (DSMSONG *)(lpStream + sizeof(DSMFILEHEADER)); - dwMemPos = sizeof(DSMFILEHEADER) + pfh->song_len; - m_nType = MOD_TYPE_DSM; - m_nChannels = psong->numtrk; - if (m_nChannels < 4) m_nChannels = 4; - if (m_nChannels > 16) m_nChannels = 16; - m_nSamples = psong->numsmp; - if (m_nSamples > MAX_SAMPLES) m_nSamples = MAX_SAMPLES; - m_nDefaultSpeed = psong->speed; - m_nDefaultTempo = psong->bpm; - m_nDefaultGlobalVolume = psong->globalvol << 2; - if ((!m_nDefaultGlobalVolume) || (m_nDefaultGlobalVolume > 256)) m_nDefaultGlobalVolume = 256; - m_nSongPreAmp = psong->mastervol & 0x7F; - for (UINT iOrd=0; iOrd<MAX_ORDERS; iOrd++) - { - Order[iOrd] = (BYTE)((iOrd < psong->numord) ? psong->orders[iOrd] : 0xFF); - } - for (UINT iPan=0; iPan<16; iPan++) - { - ChnSettings[iPan].nPan = 0x80; - if (psong->panpos[iPan] <= 0x80) - { - ChnSettings[iPan].nPan = psong->panpos[iPan] << 1; - } - } - memcpy(m_szNames[0], psong->songname, 28); - nPat = 0; - nSmp = 1; - while (dwMemPos < dwMemLength - 8) - { - DSMPATT *ppatt = (DSMPATT *)(lpStream + dwMemPos); - DSMINST *pins = (DSMINST *)(lpStream+dwMemPos); - // Reading Patterns - if (ppatt->id_PATT == DSMID_PATT) - { - dwMemPos += 8; - if (dwMemPos + ppatt->patt_len >= dwMemLength) break; - DWORD dwPos = dwMemPos; - dwMemPos += ppatt->patt_len; - MODCOMMAND *m = AllocatePattern(64, m_nChannels); - if (!m) break; - PatternSize[nPat] = 64; - Patterns[nPat] = m; - UINT row = 0; - while ((row < 64) && (dwPos + 2 <= dwMemPos)) - { - UINT flag = lpStream[dwPos++]; - if (flag) - { - UINT ch = (flag & 0x0F) % m_nChannels; - if (flag & 0x80) - { - UINT note = lpStream[dwPos++]; - if (note) - { - if (note <= 12*9) note += 12; - m[ch].note = (BYTE)note; - } - } - if (flag & 0x40) - { - m[ch].instr = lpStream[dwPos++]; - } - if (flag & 0x20) - { - m[ch].volcmd = VOLCMD_VOLUME; - m[ch].vol = lpStream[dwPos++]; - } - if (flag & 0x10) - { - UINT command = lpStream[dwPos++]; - UINT param = lpStream[dwPos++]; - switch(command) - { - // 4-bit Panning - case 0x08: - switch(param & 0xF0) - { - case 0x00: param <<= 4; break; - case 0x10: command = 0x0A; param = (param & 0x0F) << 4; break; - case 0x20: command = 0x0E; param = (param & 0x0F) | 0xA0; break; - case 0x30: command = 0x0E; param = (param & 0x0F) | 0x10; break; - case 0x40: command = 0x0E; param = (param & 0x0F) | 0x20; break; - default: command = 0; - } - break; - // Portamentos - case 0x11: - case 0x12: - command &= 0x0F; - break; - // 3D Sound (?) - case 0x13: - command = 'X' - 55; - param = 0x91; - break; - default: - // Volume + Offset (?) - command = ((command & 0xF0) == 0x20) ? 0x09 : 0; - } - m[ch].command = (BYTE)command; - m[ch].param = (BYTE)param; - if (command) ConvertModCommand(&m[ch]); - } - } else - { - m += m_nChannels; - row++; - } - } - nPat++; - } else - // Reading Samples - if ((nSmp <= m_nSamples) && (pins->id_INST == DSMID_INST)) - { - if (dwMemPos + pins->inst_len >= dwMemLength - 8) break; - DWORD dwPos = dwMemPos + sizeof(DSMINST); - dwMemPos += 8 + pins->inst_len; - memcpy(m_szNames[nSmp], pins->samplename, 28); - MODINSTRUMENT *psmp = &Ins[nSmp]; - memcpy(psmp->name, pins->filename, 13); - psmp->nGlobalVol = 64; - psmp->nC4Speed = pins->c2spd; - psmp->uFlags = (WORD)((pins->flags & 1) ? CHN_LOOP : 0); - psmp->nLength = pins->length; - psmp->nLoopStart = pins->loopstart; - psmp->nLoopEnd = pins->loopend; - psmp->nVolume = (WORD)(pins->volume << 2); - if (psmp->nVolume > 256) psmp->nVolume = 256; - UINT smptype = (pins->flags & 2) ? RS_PCM8S : RS_PCM8U; - ReadSample(psmp, smptype, (LPCSTR)(lpStream+dwPos), dwMemLength - dwPos); - nSmp++; - } else - { - break; - } - } - return TRUE; -} - |