diff options
Diffstat (limited to 'sound/softsynth/mt32/synth.h')
| -rw-r--r-- | sound/softsynth/mt32/synth.h | 132 |
1 files changed, 116 insertions, 16 deletions
diff --git a/sound/softsynth/mt32/synth.h b/sound/softsynth/mt32/synth.h index 1501593cbd..9d57c8d3cd 100644 --- a/sound/softsynth/mt32/synth.h +++ b/sound/softsynth/mt32/synth.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2003-2004 Various contributors +/* Copyright (c) 2003-2005 Various contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to @@ -28,10 +28,6 @@ class revmodel; namespace MT32Emu { -const int ROMSIZE = 512 * 1024; -const int PCMSIZE = ROMSIZE / 2; -const int GRAN = 512; - class File; class TableInitialiser; class Partial; @@ -104,28 +100,118 @@ typedef void (*recalcStatusCallback)(int percDone); // callback routine, no status is reported. bool RecalcWaveforms(char * baseDir, int sampRate, recalcStatusCallback callBack); -typedef float (*iir_filter_type)(float input,float *hist1_ptr, float *coef_ptr, int revLevel); +typedef float (*iir_filter_type)(float input,float *hist1_ptr, float *coef_ptr); + +const Bit8u SYSEX_MANUFACTURER_ROLAND = 0x41; + +const Bit8u SYSEX_MDL_MT32 = 0x16; +const Bit8u SYSEX_MDL_D50 = 0x14; + +const Bit8u SYSEX_CMD_RQ1 = 0x11; // Request data #1 +const Bit8u SYSEX_CMD_DT1 = 0x12; // Data set 1 +const Bit8u SYSEX_CMD_WSD = 0x40; // Want to send data +const Bit8u SYSEX_CMD_RQD = 0x41; // Request data +const Bit8u SYSEX_CMD_DAT = 0x42; // Data set +const Bit8u SYSEX_CMD_ACK = 0x43; // Acknowledge +const Bit8u SYSEX_CMD_EOD = 0x45; // End of data +const Bit8u SYSEX_CMD_ERR = 0x4E; // Communications error +const Bit8u SYSEX_CMD_RJC = 0x4F; // Rejection + +const unsigned int CONTROL_ROM_SIZE = 64 * 1024; + +struct ControlROMPCMStruct +{ + Bit8u pos; + Bit8u len; + Bit8u pitchLSB; + Bit8u pitchMSB; +}; + +struct ControlROMMap { + Bit16u idPos; + Bit16u idLen; + const char *idBytes; + Bit16u pcmTable; + Bit16u pcmCount; + Bit16u timbreAMap; + Bit16u timbreAOffset; + Bit16u timbreBMap; + Bit16u timbreBOffset; + Bit16u timbreRMap; + Bit16u timbreRCount; + Bit16u rhythmSettings; + Bit16u rhythmSettingsCount; + Bit16u reserveSettings; + Bit16u panSettings; + Bit16u programSettings; +}; + +enum MemoryRegionType { + MR_PatchTemp, MR_RhythmTemp, MR_TimbreTemp, MR_Patches, MR_Timbres, MR_System, MR_Display, MR_Reset +}; + +class MemoryRegion { +public: + MemoryRegionType type; + Bit32u startAddr, entrySize, entries; + + int lastTouched(Bit32u addr, Bit32u len) const { + return (offset(addr) + len - 1) / entrySize; + } + int firstTouchedOffset(Bit32u addr) const { + return offset(addr) % entrySize; + } + int firstTouched(Bit32u addr) const { + return offset(addr) / entrySize; + } + Bit32u regionEnd() const { + return startAddr + entrySize * entries; + } + bool contains(Bit32u addr) const { + return addr >= startAddr && addr < regionEnd(); + } + int offset(Bit32u addr) const { + return addr - startAddr; + } + Bit32u getClampedLen(Bit32u addr, Bit32u len) const { + if (addr + len > regionEnd()) + return regionEnd() - addr; + return len; + } + Bit32u next(Bit32u addr, Bit32u len) const { + if (addr + len > regionEnd()) { + return regionEnd() - addr; + } + return 0; + } +}; + class Synth { friend class Part; friend class RhythmPart; friend class Partial; -friend class TableInitialiser; +friend class Tables; private: bool isEnabled; iir_filter_type iirFilter; - PCMWaveEntry PCMList[128]; + PCMWaveEntry *pcmWaves; // Array + + const ControlROMMap *controlROMMap; + Bit8u controlROMData[CONTROL_ROM_SIZE]; + Bit16s *pcmROMData; + int pcmROMSize; // This is in 16-bit samples, therefore half the number of bytes in the ROM - Bit8u controlROMData[64 * 1024]; - Bit16s romfile[PCMSIZE + GRAN]; Bit8s chantable[32]; #if MT32EMU_MONITOR_PARTIALS == 1 static Bit32s samplepos = 0; #endif + Tables tables; + MemParams mt32ram, mt32default; revmodel *reverbModel; @@ -149,19 +235,23 @@ private: bool loadPreset(File *file); void initReverb(Bit8u newRevMode, Bit8u newRevTime, Bit8u newRevLevel); void doRender(Bit16s * stream, Bit32u len); - void playMsgOnPart(unsigned char part, unsigned char code, unsigned char note, unsigned char velocity); - void playSysexWithoutHeader(unsigned char channel, const Bit8u *sysex, Bit32u len); + + void playAddressedSysex(unsigned char channel, const Bit8u *sysex, Bit32u len); + void readSysex(unsigned char channel, const Bit8u *sysex, Bit32u len); + void writeMemoryRegion(const MemoryRegion *region, Bit32u addr, Bit32u len, const Bit8u *data); + void readMemoryRegion(const MemoryRegion *region, Bit32u addr, Bit32u len, Bit8u *data); bool loadControlROM(const char *filename); bool loadPCMROM(const char *filename); bool dumpTimbre(File *file, const TimbreParam *timbre, Bit32u addr); int dumpTimbres(const char *filename, int start, int len); - void initPCMList(); - void initRhythmTimbres(); - void initTimbres(Bit16u mapAddress, int startTimbre); - void initRhythmTimbre(int drumNum, const Bit8u *mem); + bool initPCMList(Bit16u mapAddress, Bit16u count); + bool initRhythmTimbres(Bit16u mapAddress, Bit16u count); + bool initTimbres(Bit16u mapAddress, Bit16u offset, int startTimbre); + bool initRhythmTimbre(int drumNum, const Bit8u *mem, unsigned int memLen); bool refreshSystem(); + protected: int report(ReportType type, const void *reportData); File *openFile(const char *filename, File::OpenMode mode); @@ -183,16 +273,26 @@ public: // Sends a 4-byte MIDI message to the MT-32 for immediate playback void playMsg(Bit32u msg); + void playMsgOnPart(unsigned char part, unsigned char code, unsigned char note, unsigned char velocity); // Sends a string of Sysex commands to the MT-32 for immediate interpretation // The length is in bytes void playSysex(const Bit8u *sysex, Bit32u len); void playSysexWithoutFraming(const Bit8u *sysex, Bit32u len); + void playSysexWithoutHeader(unsigned char device, unsigned char command, const Bit8u *sysex, Bit32u len); + void writeSysex(unsigned char channel, const Bit8u *sysex, Bit32u len); // This callback routine is used to have the MT-32 generate samples to the specified // output stream. The length is in whole samples, not bytes. (I.E. in 16-bit stereo, // one sample is 4 bytes) void render(Bit16s * stream, Bit32u len); + + const Partial *getPartial(unsigned int partialNum) const; + + void readMemory(Bit32u addr, Bit32u len, Bit8u *data); + + // partNum should be 0..7 for Part 1..8, or 8 for Rhythm + const Part *getPart(unsigned int partNum) const; }; } |