diff options
Diffstat (limited to 'Alc/midi')
| -rw-r--r-- | Alc/midi/base.h | 12 | ||||
| -rw-r--r-- | Alc/midi/sf2load.c | 1283 |
2 files changed, 1295 insertions, 0 deletions
diff --git a/Alc/midi/base.h b/Alc/midi/base.h index d038eebc..a5b76dfe 100644 --- a/Alc/midi/base.h +++ b/Alc/midi/base.h @@ -9,6 +9,18 @@ extern "C" { #endif +typedef size_t (*ReaderCb)(void *ptr, size_t size, void *stream); +typedef struct Reader { + ReaderCb cb; + void *ptr; + int error; +} Reader; +#define READ(x_, buf_, len_) ((x_)->cb((buf_), (len_), (x_)->ptr)) +#define READERR(x_) ((x_)->error) + +ALboolean loadSf2(Reader *stream, ALuint sfid); + + struct MidiSynthVtable; typedef struct MidiSynth { diff --git a/Alc/midi/sf2load.c b/Alc/midi/sf2load.c new file mode 100644 index 00000000..7d2a13e0 --- /dev/null +++ b/Alc/midi/sf2load.c @@ -0,0 +1,1283 @@ + +#include "config.h" + +#include <stdio.h> +#include <stdlib.h> + +#include "AL/al.h" +#include "alu.h" + +#include "midi/base.h" + + +static ALuint read_le32(Reader *stream) +{ + ALubyte buf[4]; + if(READ(stream, buf, 4) != 4) + { + READERR(stream) = 1; + return 0; + } + return (buf[3]<<24) | (buf[2]<<16) | (buf[1]<<8) | buf[0]; +} +static ALushort read_le16(Reader *stream) +{ + ALubyte buf[2]; + if(READ(stream, buf, 2) != 2) + { + READERR(stream) = 1; + return 0; + } + return (buf[1]<<8) | buf[0]; +} +static ALubyte read_8(Reader *stream) +{ + ALubyte buf[1]; + if(READ(stream, buf, 1) != 1) + { + READERR(stream) = 1; + return 0; + } + return buf[0]; +} +static void skip(Reader *stream, ALuint amt) +{ + while(amt > 0 && !READERR(stream)) + { + char buf[4096]; + size_t got; + + got = READ(stream, buf, minu(sizeof(buf), amt)); + if(got == 0) READERR(stream) = 1; + + amt -= got; + } +} + +typedef struct Generator { + ALushort mGenerator; + ALushort mAmount; +} Generator; +static void Generator_read(Generator *self, Reader *stream) +{ + self->mGenerator = read_le16(stream); + self->mAmount = read_le16(stream); +} + +static const ALint DefaultGenValue[60] = { + 0, /* 0 - startAddrOffset */ + 0, /* 1 - endAddrOffset */ + 0, /* 2 - startloopAddrOffset */ + 0, /* 3 - endloopAddrOffset */ + 0, /* 4 - startAddrCoarseOffset */ + 0, /* 5 - modLfoToPitch */ + 0, /* 6 - vibLfoToPitch */ + 0, /* 7 - modEnvToPitch */ + 13500, /* 8 - initialFilterFc */ + 0, /* 9 - initialFilterQ */ + 0, /* 10 - modLfoToFilterFc */ + 0, /* 11 - modEnvToFilterFc */ + 0, /* 12 - endAddrCoarseOffset */ + 0, /* 13 - modLfoToVolume */ + 0, /* 14 - */ + 0, /* 15 - chorusEffectsSend */ + 0, /* 16 - reverbEffectsSend */ + 0, /* 17 - pan */ + 0, /* 18 - */ + 0, /* 19 - */ + 0, /* 20 - */ + -12000, /* 21 - delayModLFO */ + 0, /* 22 - freqModLFO */ + -12000, /* 23 - delayVibLFO */ + 0, /* 24 - freqVibLFO */ + -12000, /* 25 - delayModEnv */ + -12000, /* 26 - attackModEnv */ + -12000, /* 27 - holdModEnv */ + -12000, /* 28 - decayModEnv */ + 0, /* 29 - sustainModEnv */ + -12000, /* 30 - releaseModEnv */ + 0, /* 31 - keynumToModEnvHold */ + 0, /* 32 - keynumToModEnvDecay */ + -12000, /* 33 - delayVolEnv */ + -12000, /* 34 - attackVolEnv */ + -12000, /* 35 - holdVolEnv */ + -12000, /* 36 - decayVolEnv */ + 0, /* 37 - sustainVolEnv */ + -12000, /* 38 - releaseVolEnv */ + 0, /* 39 - keynumToVolEnvHold */ + 0, /* 40 - keynumToVolEnvDecay */ + 0, /* 41 - */ + 0, /* 42 - */ + 0, /* 43 - keyRange */ + 0, /* 44 - velRange */ + 0, /* 45 - startloopAddrCoarseOffset */ + 0, /* 46 - keynum */ + 0, /* 47 - velocity */ + 0, /* 48 - initialAttenuation */ + 0, /* 49 - */ + 0, /* 50 - endloopAddrCoarseOffset */ + 0, /* 51 - corseTune */ + 0, /* 52 - fineTune */ + 0, /* 53 - */ + 0, /* 54 - sampleModes */ + 0, /* 55 - */ + 100, /* 56 - scaleTuning */ + 0, /* 57 - exclusiveClass */ + 0, /* 58 - overridingRootKey */ + 0, /* 59 - */ +}; + +typedef struct Modulator { + ALushort mSrcOp; + ALushort mDstOp; + ALshort mAmount; + ALushort mAmtSrcOp; + ALushort mTransOp; +} Modulator; +static void Modulator_read(Modulator *self, Reader *stream) +{ + self->mSrcOp = read_le16(stream); + self->mDstOp = read_le16(stream); + self->mAmount = read_le16(stream); + self->mAmtSrcOp = read_le16(stream); + self->mTransOp = read_le16(stream); +} + +typedef struct Zone { + ALushort mGenIdx; + ALushort mModIdx; +} Zone; +static void Zone_read(Zone *self, Reader *stream) +{ + self->mGenIdx = read_le16(stream); + self->mModIdx = read_le16(stream); +} + +typedef struct PresetHeader { + ALchar mName[20]; + ALushort mPreset; /* MIDI program number */ + ALushort mBank; + ALushort mZoneIdx; + ALuint mLibrary; + ALuint mGenre; + ALuint mMorphology; +} PresetHeader; +static void PresetHeader_read(PresetHeader *self, Reader *stream) +{ + if(READ(stream, self->mName, sizeof(self->mName)) != sizeof(self->mName)) + READERR(stream) = 1; + self->mPreset = read_le16(stream); + self->mBank = read_le16(stream); + self->mZoneIdx = read_le16(stream); + self->mLibrary = read_le32(stream); + self->mGenre = read_le32(stream); + self->mMorphology = read_le32(stream); +} + +typedef struct InstrumentHeader { + ALchar mName[20]; + ALushort mZoneIdx; +} InstrumentHeader; +static void InstrumentHeader_read(InstrumentHeader *self, Reader *stream) +{ + if(READ(stream, self->mName, sizeof(self->mName)) != sizeof(self->mName)) + READERR(stream) = 1; + self->mZoneIdx = read_le16(stream); +} + +typedef struct SampleHeader { + ALchar mName[20]; // 20 bytes + ALuint mStart; + ALuint mEnd; + ALuint mStartloop; + ALuint mEndloop; + ALuint mSampleRate; + ALubyte mOriginalKey; + ALbyte mCorrection; + ALushort mSampleLink; + ALushort mSampleType; +} SampleHeader; +static void SampleHeader_read(SampleHeader *self, Reader *stream) +{ + if(READ(stream, self->mName, sizeof(self->mName)) != sizeof(self->mName)) + READERR(stream) = 1; + self->mStart = read_le32(stream); + self->mEnd = read_le32(stream); + self->mStartloop = read_le32(stream); + self->mEndloop = read_le32(stream); + self->mSampleRate = read_le32(stream); + self->mOriginalKey = read_8(stream); + self->mCorrection = read_8(stream); + self->mSampleLink = read_le16(stream); + self->mSampleType = read_le16(stream); +} + + +typedef struct Soundfont { + PresetHeader *phdr; + ALsizei phdr_size; + + Zone *pbag; + ALsizei pbag_size; + Modulator *pmod; + ALsizei pmod_size; + Generator *pgen; + ALsizei pgen_size; + + InstrumentHeader *inst; + ALsizei inst_size; + + Zone *ibag; + ALsizei ibag_size; + Modulator *imod; + ALsizei imod_size; + Generator *igen; + ALsizei igen_size; + + SampleHeader *shdr; + ALsizei shdr_size; +} Soundfont; + +static void Soundfont_Construct(Soundfont *self) +{ + self->phdr = NULL; + self->phdr_size = 0; + + self->pbag = NULL; + self->pbag_size = 0; + self->pmod = NULL; + self->pmod_size = 0; + self->pgen = NULL; + self->pgen_size = 0; + + self->inst = NULL; + self->inst_size = 0; + + self->ibag = NULL; + self->ibag_size = 0; + self->imod = NULL; + self->imod_size = 0; + self->igen = NULL; + self->igen_size = 0; + + self->shdr = NULL; + self->shdr_size = 0; +} + +static void Soundfont_Destruct(Soundfont *self) +{ + free(self->phdr); + self->phdr = NULL; + self->phdr_size = 0; + + free(self->pbag); + self->pbag = NULL; + self->pbag_size = 0; + free(self->pmod); + self->pmod = NULL; + self->pmod_size = 0; + free(self->pgen); + self->pgen = NULL; + self->pgen_size = 0; + + free(self->inst); + self->inst = NULL; + self->inst_size = 0; + + free(self->ibag); + self->ibag = NULL; + self->ibag_size = 0; + free(self->imod); + self->imod = NULL; + self->imod_size = 0; + free(self->igen); + self->igen = NULL; + self->igen_size = 0; + + free(self->shdr); + self->shdr = NULL; + self->shdr_size = 0; +} + + +#define FOURCC(a,b,c,d) (((d)<<24) | ((c)<<16) | ((b)<<8) | (a)) +#define FOURCCARGS(x) (char)((x)&0xff), (char)(((x)>>8)&0xff), (char)(((x)>>16)&0xff), (char)(((x)>>24)&0xff) +typedef struct RiffHdr { + ALuint mCode; + ALuint mSize; + ALuint mList; +} RiffHdr; +static void RiffHdr_read(RiffHdr *self, Reader *stream) +{ + self->mCode = read_le32(stream); + self->mSize = read_le32(stream); + self->mList = 0; + if(self->mCode == FOURCC('R','I','F','F') || self->mCode == FOURCC('L','I','S','T')) + { + if(self->mSize < 4) + READERR(stream) = 1; + else + { + self->mList = read_le32(stream); + self->mSize -= 4; + } + } +} + + +typedef struct GenModList { + Generator *gens; + ALsizei gens_size; + ALsizei gens_max; + + Modulator *mods; + ALsizei mods_size; + ALsizei mods_max; +} GenModList; + +static void GenModList_Construct(GenModList *self) +{ + self->gens = NULL; + self->gens_size = 0; + self->gens_max = 0; + + self->mods = NULL; + self->mods_size = 0; + self->mods_max = 0; +} + +static void GenModList_Destruct(GenModList *self) +{ + free(self->gens); + self->gens = NULL; + self->gens_size = 0; + self->gens_max = 0; + + free(self->mods); + self->mods = NULL; + self->mods_size = 0; + self->mods_max = 0; +} + +static GenModList GenModList_clone(const GenModList *self) +{ + GenModList ret; + + ret.gens = malloc(self->gens_max * sizeof(ret.gens[0])); + memcpy(ret.gens, self->gens, self->gens_size * sizeof(ret.gens[0])); + ret.gens_size = self->gens_size; + ret.gens_max = self->gens_max; + + ret.mods = malloc(self->mods_max * sizeof(ret.mods[0])); + memcpy(ret.mods, self->mods, self->mods_size * sizeof(ret.mods[0])); + ret.mods_size = self->mods_size; + ret.mods_max = self->mods_max; + + return ret; +} + +static void GenModList_insertGen(GenModList *self, const Generator *gen, ALboolean ispreset) +{ + Generator *i = self->gens; + Generator *end = i + self->gens_size; + for(;i != end;i++) + { + if(i->mGenerator == gen->mGenerator) + { + i->mAmount = gen->mAmount; + return; + } + } + + if(ispreset && + (gen->mGenerator == 0 || gen->mGenerator == 1 || gen->mGenerator == 2 || + gen->mGenerator == 3 || gen->mGenerator == 4 || gen->mGenerator == 12 || + gen->mGenerator == 45 || gen->mGenerator == 46 || gen->mGenerator == 47 || + gen->mGenerator == 50 || gen->mGenerator == 54 || gen->mGenerator == 57 || + gen->mGenerator == 58)) + return; + + if(self->gens_size == self->gens_max) + { + void *temp = NULL; + ALsizei newsize; + + newsize = (self->gens_max ? self->gens_max<<1 : 1); + if(newsize > self->gens_max) + temp = realloc(self->gens, newsize * sizeof(self->gens[0])); + if(!temp) + { + ERR("Failed to increase generator storage to %d elements (from %d)\n", + newsize, self->gens_max); + return; + } + + self->gens = temp; + self->gens_max = newsize; + } + + self->gens[self->gens_size] = *gen; + self->gens_size++; +} +static void GenModList_accumGen(GenModList *self, const Generator *gen) +{ + Generator *i = self->gens; + Generator *end = i + self->gens_size; + for(;i != end;i++) + { + if(i->mGenerator == gen->mGenerator) + { + if(gen->mGenerator == 43 || gen->mGenerator == 44) + { + /* Range generators accumulate by taking the intersection of + * the two ranges. + */ + ALushort low = maxu(i->mAmount&0x00ff, gen->mAmount&0x00ff); + ALushort high = minu(i->mAmount&0xff00, gen->mAmount&0xff00); + i->mAmount = low | high; + } + else + i->mAmount += gen->mAmount; + return; + } + } + + if(self->gens_size == self->gens_max) + { + void *temp = NULL; + ALsizei newsize; + + newsize = (self->gens_max ? self->gens_max<<1 : 1); + if(newsize > self->gens_max) + temp = realloc(self->gens, newsize * sizeof(self->gens[0])); + if(!temp) + { + ERR("Failed to increase generator storage to %d elements (from %d)\n", + newsize, self->gens_max); + return; + } + + self->gens = temp; + self->gens_max = newsize; + } + + self->gens[self->gens_size] = *gen; + if(gen->mGenerator < 60) + self->gens[self->gens_size].mAmount += DefaultGenValue[gen->mGenerator]; + self->gens_size++; +} + +static void GenModList_insertMod(GenModList *self, const Modulator *mod) +{ + Modulator *i = self->mods; + Modulator *end = i + self->mods_size; + for(;i != end;i++) + { + if(i->mDstOp == mod->mDstOp && i->mSrcOp == mod->mSrcOp && + i->mAmtSrcOp == mod->mAmtSrcOp && i->mTransOp == mod->mTransOp) + { + i->mAmount = mod->mAmount; + return; + } + } + + if(self->mods_size == self->mods_max) + { + void *temp = NULL; + ALsizei newsize; + + newsize = (self->mods_max ? self->mods_max<<1 : 1); + if(newsize > self->mods_max) + temp = realloc(self->mods, newsize * sizeof(self->mods[0])); + if(!temp) + { + ERR("Failed to increase generator storage to %d elements (from %d)\n", + newsize, self->mods_max); + return; + } + + self->mods = temp; + self->mods_max = newsize; + } + + self->mods[self->mods_size] = *mod; + self->mods_size++; +} +static void GenModList_accumMod(GenModList *self, const Modulator *mod) +{ + Modulator *i = self->mods; + Modulator *end = i + self->mods_size; + for(;i != end;i++) + { + if(i->mDstOp == mod->mDstOp && i->mSrcOp == mod->mSrcOp && + i->mAmtSrcOp == mod->mAmtSrcOp && i->mTransOp == mod->mTransOp) + { + i->mAmount += mod->mAmount; + return; + } + } + + if(self->mods_size == self->mods_max) + { + void *temp = NULL; + ALsizei newsize; + + newsize = (self->mods_max ? self->mods_max<<1 : 1); + if(newsize > self->mods_max) + temp = realloc(self->mods, newsize * sizeof(self->mods[0])); + if(!temp) + { + ERR("Failed to increase generator storage to %d elements (from %d)\n", + newsize, self->mods_max); + return; + } + + self->mods = temp; + self->mods_max = newsize; + } + + self->mods[self->mods_size] = *mod; + self->mods_size++; +} + +static ALint getGenValue(GenModList *self, ALint gen) +{ + const Generator *i = self->gens; + const Generator *end = i + self->gens_size; + for(;i != end;i++) + { + if(i->mGenerator == gen) + return i->mAmount; + } + + return (gen < 60) ? DefaultGenValue[gen] : 0; +} + + +typedef struct IFlist { + ALuint *ids; + ALsizei ids_size; + ALsizei ids_max; +} IDList; + +static void IDList_Construct(IDList *self) +{ + self->ids = NULL; + self->ids_size = 0; + self->ids_max = 0; +} + +static void IDList_Destruct(IDList *self) +{ + free(self->ids); + self->ids = NULL; + self->ids_size = 0; + self->ids_max = 0; +} + +static void IDList_reserve(IDList *self, ALsizei reserve) +{ + if(reserve > self->ids_max) + { + ALvoid *temp = NULL; + + reserve = NextPowerOf2(reserve); + if(reserve > self->ids_max) + temp = realloc(self->ids, reserve * sizeof(self->ids[0])); + if(!temp) + { + ERR("Failed to reserve %d IDs\n", reserve); + return; + } + + self->ids = temp; + self->ids_max = reserve; + } +} + +static void IDList_add(IDList *self, ALuint id) +{ + if(self->ids_size == self->ids_max) + IDList_reserve(self, self->ids_max+1); + + if(self->ids_max > self->ids_size) + { + self->ids[self->ids_size] = id; + self->ids_size++; + } +} + + + +#define ERROR_GOTO(lbl_, ...) do { \ + ERR(__VA_ARGS__); \ + goto lbl_; \ +} while(0) + +static ALboolean ensureFontSanity(const Soundfont *sfont) +{ + ALsizei i; + + for(i = 0;i < sfont->phdr_size-1;i++) + { + if(sfont->phdr[i].mZoneIdx >= sfont->pbag_size) + { + WARN("Preset %d has invalid zone index %d (max: %d)\n", i, + sfont->phdr[i].mZoneIdx, sfont->pbag_size); + return AL_FALSE; + } + if(sfont->phdr[i].mZoneIdx > sfont->phdr[i+1].mZoneIdx) + { + WARN("Preset %d has invalid zone index (%d does not follow %d)\n", i+1, + sfont->phdr[i+1].mZoneIdx, sfont->phdr[i].mZoneIdx); + return AL_FALSE; + } + } + if(sfont->phdr[i].mZoneIdx >= sfont->pbag_size) + { + WARN("Preset %d has invalid zone index %d (max: %d)\n", i, + sfont->phdr[i].mZoneIdx, sfont->pbag_size); + return AL_FALSE; + } + + for(i = 0;i < sfont->pbag_size-1;i++) + { + if(sfont->pbag[i].mGenIdx >= sfont->pgen_size) + { + WARN("Preset zone %d has invalid generator index %d (max: %d)\n", i, + sfont->pbag[i].mGenIdx, sfont->pgen_size); + return AL_FALSE; + } + if(sfont->pbag[i].mGenIdx > sfont->pbag[i+1].mGenIdx) + { + WARN("Preset zone %d has invalid generator index (%d does not follow %d)\n", i+1, + sfont->pbag[i+1].mGenIdx, sfont->pbag[i].mGenIdx); + return AL_FALSE; + } + if(sfont->pbag[i].mModIdx >= sfont->pmod_size) + { + WARN("Preset zone %d has invalid modulator index %d (max: %d)\n", i, + sfont->pbag[i].mModIdx, sfont->pmod_size); + return AL_FALSE; + } + if(sfont->pbag[i].mModIdx > sfont->pbag[i+1].mModIdx) + { + WARN("Preset zone %d has invalid modulator index (%d does not follow %d)\n", i+1, + sfont->pbag[i+1].mModIdx, sfont->pbag[i].mModIdx); + return AL_FALSE; + } + } + if(sfont->pbag[i].mGenIdx >= sfont->pgen_size) + { + WARN("Preset zone %d has invalid generator index %d (max: %d)\n", i, + sfont->pbag[i].mGenIdx, sfont->pgen_size); + return AL_FALSE; + } + if(sfont->pbag[i].mModIdx >= sfont->pmod_size) + { + WARN("Preset zone %d has invalid modulator index %d (max: %d)\n", i, + sfont->pbag[i].mModIdx, sfont->pmod_size); + return AL_FALSE; + } + + + for(i = 0;i < sfont->inst_size-1;i++) + { + if(sfont->inst[i].mZoneIdx >= sfont->ibag_size) + { + WARN("Instrument %d has invalid zone index %d (max: %d)\n", i+1, + sfont->inst[i].mZoneIdx, sfont->ibag_size); + return AL_FALSE; + } + if(sfont->inst[i].mZoneIdx > sfont->inst[i+1].mZoneIdx) + { + WARN("Instrument %d has invalid zone index (%d does not follow %d)\n", i+1, + sfont->inst[i+1].mZoneIdx, sfont->inst[i].mZoneIdx); + return AL_FALSE; + } + } + if(sfont->inst[i].mZoneIdx >= sfont->ibag_size) + { + WARN("Instrument %d has invalid zone index %d (max: %d)\n", i+1, + sfont->inst[i].mZoneIdx, sfont->ibag_size); + return AL_FALSE; + } + + for(i = 0;i < sfont->ibag_size-1;i++) + { + if(sfont->ibag[i].mGenIdx >= sfont->igen_size) + { + WARN("Instrument zone %d has invalid generator index %d (max: %d)\n", i, + sfont->ibag[i].mGenIdx, sfont->igen_size); + return AL_FALSE; + } + if(sfont->ibag[i].mGenIdx > sfont->ibag[i+1].mGenIdx) + { + WARN("Instrument zone %d has invalid generator index (%d does not follow %d)\n", i+1, + sfont->ibag[i+1].mGenIdx, sfont->ibag[i].mGenIdx); + return AL_FALSE; + } + if(sfont->ibag[i].mModIdx >= sfont->imod_size) + { + WARN("Instrument zone %d has invalid modulator index %d (max: %d)\n", i, + sfont->ibag[i].mModIdx, sfont->imod_size); + return AL_FALSE; + } + if(sfont->ibag[i].mModIdx > sfont->ibag[i+1].mModIdx) + { + WARN("Instrument zone %d has invalid modulator index (%d does not follow %d)\n", i+1, + sfont->ibag[i+1].mModIdx, sfont->ibag[i].mModIdx); + return AL_FALSE; + } + } + if(sfont->ibag[i].mGenIdx >= sfont->igen_size) + { + WARN("Instrument zone %d has invalid generator index %d (max: %d)\n", i, + sfont->ibag[i].mGenIdx, sfont->igen_size); + return AL_FALSE; + } + if(sfont->ibag[i].mModIdx >= sfont->imod_size) + { + WARN("Instrument zone %d has invalid modulator index %d (max: %d)\n", i, + sfont->ibag[i].mModIdx, sfont->imod_size); + return AL_FALSE; + } + + return AL_TRUE; +} + +static ALboolean ensureZoneSanity(const GenModList *zone, int splidx) +{ + ALsizei i; + + for(i = 0;i < zone->gens_size;i++) + { + if(zone->gens[i].mGenerator == 43 || zone->gens[i].mGenerator == 44) + { + int high = zone->gens[i].mAmount>>8; + int low = zone->gens[i].mAmount&0xff; + + if(!(low >= 0 && low <= 127 && low >= 0 && low <= 127 && high >= low)) + { + TRACE("Skipping sample %d with invalid %s range: %d...%d\n", splidx, + (zone->gens[i].mGenerator == 43) ? "key" : + (zone->gens[i].mGenerator == 44) ? "velocity" : "(unknown)", + low, high); + return AL_FALSE; + } + } + } + + return AL_TRUE; +} + +static void fillZone(ALuint id, const GenModList *zone) +{ + static const ALenum Gen2Param[60] = { + 0, /* 0 - startAddrOffset */ + 0, /* 1 - endAddrOffset */ + 0, /* 2 - startloopAddrOffset */ + 0, /* 3 - endloopAddrOffset */ + 0, /* 4 - startAddrCoarseOffset */ + 0, /* 5 - modLfoToPitch */ + 0, /* 6 - vibLfoToPitch */ + 0, /* 7 - modEnvToPitch */ + 0, /* 8 - initialFilterFc */ + 0, /* 9 - initialFilterQ */ + 0, /* 10 - modLfoToFilterFc */ + 0, /* 11 - modEnvToFilterFc */ + 0, /* 12 - endAddrCoarseOffset */ + 0, /* 13 - modLfoToVolume */ + 0, /* 14 - */ + 0, /* 15 - chorusEffectsSend */ + 0, /* 16 - reverbEffectsSend */ + 0, /* 17 - pan */ + 0, /* 18 - */ + 0, /* 19 - */ + 0, /* 20 - */ + 0, /* 21 - delayModLFO */ + 0, /* 22 - freqModLFO */ + 0, /* 23 - delayVibLFO */ + 0, /* 24 - freqVibLFO */ + 0, /* 25 - delayModEnv */ + 0, /* 26 - attackModEnv */ + 0, /* 27 - holdModEnv */ + 0, /* 28 - decayModEnv */ + 0, /* 29 - sustainModEnv */ + 0, /* 30 - releaseModEnv */ + 0, /* 31 - keynumToModEnvHold */ + 0, /* 32 - keynumToModEnvDecay */ + 0, /* 33 - delayVolEnv */ + 0, /* 34 - attackVolEnv */ + 0, /* 35 - holdVolEnv */ + 0, /* 36 - decayVolEnv */ + 0, /* 37 - sustainVolEnv */ + 0, /* 38 - releaseVolEnv */ + 0, /* 39 - keynumToVolEnvHold */ + 0, /* 40 - keynumToVolEnvDecay */ + 0, /* 41 - */ + 0, /* 42 - */ + AL_KEY_RANGE_SOFT, /* 43 - keyRange */ + AL_VELOCITY_RANGE_SOFT, /* 44 - velRange */ + 0, /* 45 - startloopAddrCoarseOffset */ + 0, /* 46 - keynum */ + 0, /* 47 - velocity */ + 0, /* 48 - initialAttenuation */ + 0, /* 49 - */ + 0, /* 50 - endloopAddrCoarseOffset */ + 0, /* 51 - corseTune */ + 0, /* 52 - fineTune */ + 0, /* 53 - */ + 0, /* 54 - sampleModes */ + 0, /* 55 - */ + 0, /* 56 - scaleTuning */ + 0, /* 57 - exclusiveClass */ + AL_BASE_KEY_SOFT, /* 58 - overridingRootKey */ + 0, /* 59 - */ + }; + const Generator *gen, *gen_end; + + if(zone->mods) + { + /* FIXME: Handle modulators */ + } + + gen = zone->gens; + gen_end = gen + zone->gens_size; + for(;gen != gen_end;gen++) + { + ALenum param = 0; + switch(gen->mGenerator) + { + case 0: + case 1: + case 2: + case 3: + case 4: + case 12: + case 45: + case 50: + /* Handled later with the sample header */ + break; + + case 43: + case 44: + param = Gen2Param[gen->mGenerator]; + if(param) + alFontsound2iSOFT(id, param, gen->mAmount&0xff, gen->mAmount>>8); + break; + + default: + if(gen->mGenerator < 60) + param = Gen2Param[gen->mGenerator]; + if(param) + { + if(param == AL_BASE_KEY_SOFT && gen->mAmount == 0xffff) + break; + alFontsoundiSOFT(id, param, (ALshort)gen->mAmount); + } + else if(gen->mGenerator < 256) + { + static ALboolean warned[256]; + if(!warned[gen->mGenerator]) + { + warned[gen->mGenerator] = AL_TRUE; + ERR("Unhandled generator %d\n", gen->mGenerator); + } + } + break; + } + } +} + +static void processInstrument(InstrumentHeader *inst, IDList *sounds, const Soundfont *sfont, const GenModList *pzone) +{ + const Generator *gen, *gen_end; + const Modulator *mod, *mod_end; + const Zone *zone, *zone_end; + GenModList gzone; + + if((inst+1)->mZoneIdx == inst->mZoneIdx) + ERR("Instrument with no zones!"); + + GenModList_Construct(&gzone); + zone = sfont->ibag + inst->mZoneIdx; + zone_end = sfont->ibag + (inst+1)->mZoneIdx; + if(zone_end-zone > 1) + { + gen = sfont->igen + zone->mGenIdx; + gen_end = sfont->igen + (zone+1)->mGenIdx; + + // If no generators, or last generator is not a sample, this is a global zone + for(;gen != gen_end;gen++) + { + if(gen->mGenerator == 53) + break; + } + + if(gen == gen_end) + { + gen = sfont->igen + zone->mGenIdx; + gen_end = sfont->igen + (zone+1)->mGenIdx; + for(;gen != gen_end;gen++) + GenModList_insertGen(&gzone, gen, AL_FALSE); + + mod = sfont->imod + zone->mModIdx; + mod_end = sfont->imod + (zone+1)->mModIdx; + for(;mod != mod_end;mod++) + GenModList_insertMod(&gzone, mod); + + zone++; + } + } + + for(;zone != zone_end;zone++) + { + GenModList lzone = GenModList_clone(&gzone); + mod = sfont->imod + zone->mModIdx; + mod_end = sfont->imod + (zone+1)->mModIdx; + for(;mod != mod_end;mod++) + GenModList_insertMod(&lzone, mod); + + gen = sfont->igen + zone->mGenIdx; + gen_end = sfont->igen + (zone+1)->mGenIdx; + for(;gen != gen_end;gen++) + { + if(gen->mGenerator == 53) + { + const SampleHeader *samp; + ALuint id; + + if(gen->mAmount >= sfont->shdr_size-1) + { + ERR("Generator %ld has invalid sample ID generator (%d of %d)\n", + (long)(gen-sfont->igen), gen->mAmount, sfont->shdr_size-1); + break; + } + samp = &sfont->shdr[gen->mAmount]; + + gen = pzone->gens; + gen_end = gen + pzone->gens_size; + for(;gen != gen_end;gen++) + GenModList_accumGen(&lzone, gen); + + mod = pzone->mods; + mod_end = mod + pzone->mods_size; + for(;mod != mod_end;mod++) + GenModList_accumMod(&lzone, mod); + + if(!ensureZoneSanity(&lzone, samp-sfont->shdr)) + break; + + id = 0; + alGenFontsoundsSOFT(1, &id); + IDList_add(sounds, id); + + alFontsoundiSOFT(id, AL_SAMPLE_START_SOFT, samp->mStart + + (getGenValue(&lzone, 0) + (getGenValue(&lzone, 4)<<15))); + alFontsoundiSOFT(id, AL_SAMPLE_END_SOFT, samp->mEnd + + (getGenValue(&lzone, 1) + (getGenValue(&lzone, 12)<<15))); + alFontsoundiSOFT(id, AL_SAMPLE_LOOP_START_SOFT, samp->mStartloop + + (getGenValue(&lzone, 2) + (getGenValue(&lzone, 45)<<15))); + alFontsoundiSOFT(id, AL_SAMPLE_LOOP_END_SOFT, samp->mEndloop + + (getGenValue(&lzone, 3) + (getGenValue(&lzone, 50)<<15))); + alFontsoundiSOFT(id, AL_SAMPLE_RATE_SOFT, samp->mSampleRate); + alFontsoundiSOFT(id, AL_BASE_KEY_SOFT, samp->mOriginalKey); + alFontsoundiSOFT(id, AL_KEY_CORRECTION_SOFT, samp->mCorrection); + alFontsoundiSOFT(id, AL_SAMPLE_TYPE_SOFT, samp->mSampleType&0x7ffff); + alFontsoundiSOFT(id, AL_FONTSOUND_LINK_SOFT, 0); + + fillZone(id, &lzone); + break; + } + GenModList_insertGen(&lzone, gen, AL_FALSE); + } + + GenModList_Destruct(&lzone); + } + + GenModList_Destruct(&gzone); +} + +ALboolean loadSf2(Reader *stream, ALuint sfid) +{ + Soundfont sfont; + RiffHdr riff; + RiffHdr list; + IDList pids; + ALsizei i; + + Soundfont_Construct(&sfont); + IDList_Construct(&pids); + + RiffHdr_read(&riff, stream); + if(riff.mCode != FOURCC('R','I','F','F')) + ERROR_GOTO(error, "Invalid Format, expected RIFF got '%c%c%c%c'\n", FOURCCARGS(riff.mCode)); + if(riff.mList != FOURCC('s','f','b','k')) + ERROR_GOTO(error, "Invalid Format, expected sfbk got '%c%c%c%c'\n", FOURCCARGS(riff.mList)); + + if(READERR(stream) != 0) + ERROR_GOTO(error, "Error reading file header\n"); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('L','I','S','T')) + ERROR_GOTO(error, "Invalid Format, expected LIST (INFO) got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if(list.mList != FOURCC('I','N','F','O')) + ERROR_GOTO(error, "Invalid Format, expected INFO got '%c%c%c%c'\n", FOURCCARGS(list.mList)); + /* FIXME: Check and load info chunks */ + skip(stream, list.mSize); + + if(READERR(stream) != 0) + ERROR_GOTO(error, "Error reading INFO chunk\n"); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('L','I','S','T')) + ERROR_GOTO(error, "Invalid Format, expected LIST (sdta) got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if(list.mList != FOURCC('s','d','t','a')) + ERROR_GOTO(error, "Invalid Format, expected sdta got '%c%c%c%c'\n", FOURCCARGS(list.mList)); + { + ALubyte *ptr; + RiffHdr smpl; + + RiffHdr_read(&smpl, stream); + if(smpl.mCode != FOURCC('s','m','p','l')) + ERROR_GOTO(error, "Invalid Format, expected smpl got '%c%c%c%c'\n", FOURCCARGS(smpl.mCode)); + list.mSize -= 8; + + if(smpl.mSize > list.mSize) + ERROR_GOTO(error, "Invalid Format, sample chunk size mismatch\n"); + + alSoundfontSamplesSOFT(sfid, AL_SHORT_SOFT, smpl.mSize/2, NULL); + + ptr = alSoundfontMapSamplesSOFT(sfid, 0, smpl.mSize); + if(ptr) + { + if(IS_LITTLE_ENDIAN) + READ(stream, ptr, smpl.mSize); + else + { + while(smpl.mSize > 0) + { + ALubyte buf[4096]; + ALuint todo = minu(smpl.mSize, sizeof(buf)); + ALuint i; + + READ(stream, buf, todo); + for(i = 0;i < todo;i++) + ptr[i] = buf[i^1]; + } + } + alSoundfontUnmapSamplesSOFT(sfid); + list.mSize -= smpl.mSize; + } + + skip(stream, list.mSize); + } + + if(READERR(stream) != 0) + ERROR_GOTO(error, "Error reading sdta chunk\n"); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('L','I','S','T')) + ERROR_GOTO(error, "Invalid Format, expected LIST (pdta) got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if(list.mList != FOURCC('p','d','t','a')) + ERROR_GOTO(error, "Invalid Format, expected pdta got '%c%c%c%c'\n", FOURCCARGS(list.mList)); + + // + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('p','h','d','r')) + ERROR_GOTO(error, "Invalid Format, expected phdr got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%38) != 0) + ERROR_GOTO(error, "Invalid Format, bad phdr size\n"); + sfont.phdr_size = list.mSize/38; + sfont.phdr = calloc(sfont.phdr_size, sizeof(sfont.phdr[0])); + for(i = 0;i < sfont.phdr_size;i++) + PresetHeader_read(&sfont.phdr[i], stream); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('p','b','a','g')) + ERROR_GOTO(error, "Invalid Format, expected pbag got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%4) != 0) + ERROR_GOTO(error, "Invalid Format, bad pbag size\n"); + sfont.pbag_size = list.mSize/4; + sfont.pbag = calloc(sfont.pbag_size, sizeof(sfont.pbag[0])); + for(i = 0;i < sfont.pbag_size;i++) + Zone_read(&sfont.pbag[i], stream); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('p','m','o','d')) + ERROR_GOTO(error, "Invalid Format, expected pmod got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%10) != 0) + ERROR_GOTO(error, "Invalid Format, bad pmod size\n"); + sfont.pmod_size = list.mSize/10; + sfont.pmod = calloc(sfont.pmod_size, sizeof(sfont.pmod[0])); + for(i = 0;i < sfont.pmod_size;i++) + Modulator_read(&sfont.pmod[i], stream); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('p','g','e','n')) + ERROR_GOTO(error, "Invalid Format, expected pgen got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%4) != 0) + ERROR_GOTO(error, "Invalid Format, bad pgen size\n"); + sfont.pgen_size = list.mSize/4; + sfont.pgen = calloc(sfont.pgen_size, sizeof(sfont.pgen[0])); + for(i = 0;i < sfont.pgen_size;i++) + Generator_read(&sfont.pgen[i], stream); + + // + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('i','n','s','t')) + ERROR_GOTO(error, "Invalid Format, expected inst got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%22) != 0) + ERROR_GOTO(error, "Invalid Format, bad inst size\n"); + sfont.inst_size = list.mSize/22; + sfont.inst = calloc(sfont.inst_size, sizeof(sfont.inst[0])); + for(i = 0;i < sfont.inst_size;i++) + InstrumentHeader_read(&sfont.inst[i], stream); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('i','b','a','g')) + ERROR_GOTO(error, "Invalid Format, expected ibag got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%4) != 0) + ERROR_GOTO(error, "Invalid Format, bad ibag size\n"); + sfont.ibag_size = list.mSize/4; + sfont.ibag = calloc(sfont.ibag_size, sizeof(sfont.ibag[0])); + for(i = 0;i < sfont.ibag_size;i++) + Zone_read(&sfont.ibag[i], stream); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('i','m','o','d')) + ERROR_GOTO(error, "Invalid Format, expected imod got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%10) != 0) + ERROR_GOTO(error, "Invalid Format, bad imod size\n"); + sfont.imod_size = list.mSize/10; + sfont.imod = calloc(sfont.imod_size, sizeof(sfont.imod[0])); + for(i = 0;i < sfont.imod_size;i++) + Modulator_read(&sfont.imod[i], stream); + + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('i','g','e','n')) + ERROR_GOTO(error, "Invalid Format, expected igen got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%4) != 0) + ERROR_GOTO(error, "Invalid Format, bad igen size\n"); + sfont.igen_size = list.mSize/4; + sfont.igen = calloc(sfont.igen_size, sizeof(sfont.igen[0])); + for(i = 0;i < sfont.igen_size;i++) + Generator_read(&sfont.igen[i], stream); + + // + RiffHdr_read(&list, stream); + if(list.mCode != FOURCC('s','h','d','r')) + ERROR_GOTO(error, "Invalid Format, expected shdr got '%c%c%c%c'\n", FOURCCARGS(list.mCode)); + if((list.mSize%46) != 0) + ERROR_GOTO(error, "Invalid Format, bad shdr size\n"); + sfont.shdr_size = list.mSize/46; + sfont.shdr = calloc(sfont.shdr_size, sizeof(sfont.shdr[0])); + for(i = 0;i < sfont.shdr_size;i++) + SampleHeader_read(&sfont.shdr[i], stream); + + if(READERR(stream) != 0) + ERROR_GOTO(error, "Error reading pdta chunk\n"); + + if(!ensureFontSanity(&sfont)) + goto error; + + IDList_reserve(&pids, sfont.phdr_size-1); + for(i = 0;i < sfont.phdr_size-1;i++) + { + const Generator *gen, *gen_end; + const Modulator *mod, *mod_end; + const Zone *zone, *zone_end; + GenModList gzone; + IDList fsids; + ALuint pid; + + if(sfont.phdr[i+1].mZoneIdx == sfont.phdr[i].mZoneIdx) + continue; + + pid = 0; + alGenPresetsSOFT(1, &pid); + IDList_add(&pids, pid); + + alPresetiSOFT(pid, AL_MIDI_PRESET_SOFT, sfont.phdr[i].mPreset); + alPresetiSOFT(pid, AL_MIDI_BANK_SOFT, sfont.phdr[i].mBank); + + GenModList_Construct(&gzone); + zone = sfont.pbag + sfont.phdr[i].mZoneIdx; + zone_end = sfont.pbag + sfont.phdr[i+1].mZoneIdx; + if(zone_end-zone > 1) + { + gen = sfont.pgen + zone->mGenIdx; + gen_end = sfont.pgen + (zone+1)->mGenIdx; + + // If no generators, or last generator is not an instrument, this is a global zone + for(;gen != gen_end;gen++) + { + if(gen->mGenerator == 41) + break; + } + + if(gen == gen_end) + { + gen = sfont.pgen + zone->mGenIdx; + gen_end = sfont.pgen + (zone+1)->mGenIdx; + for(;gen != gen_end;gen++) + GenModList_insertGen(&gzone, gen, AL_TRUE); + + mod = sfont.pmod + zone->mModIdx; + mod_end = sfont.pmod + (zone+1)->mModIdx; + for(;mod != mod_end;mod++) + GenModList_insertMod(&gzone, mod); + + zone++; + } + } + + IDList_Construct(&fsids); + IDList_reserve(&fsids, zone_end-zone); + for(;zone != zone_end;zone++) + { + GenModList lzone = GenModList_clone(&gzone); + + mod = sfont.pmod + zone->mModIdx; + mod_end = sfont.pmod + (zone+1)->mModIdx; + for(;mod != mod_end;mod++) + GenModList_insertMod(&lzone, mod); + + gen = sfont.pgen + zone->mGenIdx; + gen_end = sfont.pgen + (zone+1)->mGenIdx; + for(;gen != gen_end;gen++) + { + if(gen->mGenerator == 41) + { + if(gen->mAmount >= sfont.inst_size-1) + ERR("Generator %ld has invalid instrument ID generator (%d of %d)\n", + (long)(gen-sfont.pgen), gen->mAmount, sfont.inst_size-1); + else + processInstrument(&sfont.inst[gen->mAmount], &fsids, &sfont, &lzone); + break; + } + GenModList_insertGen(&lzone, gen, AL_TRUE); + } + GenModList_Destruct(&lzone); + } + alPresetFontsoundsSOFT(pid, fsids.ids_size, fsids.ids); + + GenModList_Destruct(&gzone); + IDList_Destruct(&fsids); + } + alSoundfontPresetsSOFT(sfid, pids.ids_size, pids.ids); + + IDList_Destruct(&pids); + Soundfont_Destruct(&sfont); + + return AL_TRUE; + +error: + alDeletePresetsSOFT(pids.ids_size, pids.ids); + + IDList_Destruct(&pids); + Soundfont_Destruct(&sfont); + + return AL_FALSE; +} |