2 |
* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2007 by Christian Schoenebeck * |
* Copyright (C) 2003-2009 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
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* * |
* * |
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* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
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|
26 |
#include "helper.h" |
#include "helper.h" |
27 |
|
|
28 |
|
#include <algorithm> |
29 |
#include <math.h> |
#include <math.h> |
30 |
#include <iostream> |
#include <iostream> |
31 |
|
|
677 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
678 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
679 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
680 |
|
SetPos(0); // reset read position to begin of sample |
681 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
682 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
683 |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
715 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
716 |
RAMCache.pStart = NULL; |
RAMCache.pStart = NULL; |
717 |
RAMCache.Size = 0; |
RAMCache.Size = 0; |
718 |
|
RAMCache.NullExtensionSize = 0; |
719 |
} |
} |
720 |
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|
721 |
/** @brief Resize sample. |
/** @brief Resize sample. |
1837 |
|
|
1838 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1839 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1840 |
pData[116] = eg3depth; |
store16(&pData[116], eg3depth); |
1841 |
|
|
1842 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1843 |
|
|
2375 |
|
|
2376 |
// Actual Loading |
// Actual Loading |
2377 |
|
|
2378 |
|
if (!file->GetAutoLoad()) return; |
2379 |
|
|
2380 |
LoadDimensionRegions(rgnList); |
LoadDimensionRegions(rgnList); |
2381 |
|
|
2382 |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
2420 |
else |
else |
2421 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
2422 |
|
|
2423 |
// load sample references |
// load sample references (if auto loading is enabled) |
2424 |
for (uint i = 0; i < DimensionRegions; i++) { |
if (file->GetAutoLoad()) { |
2425 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
for (uint i = 0; i < DimensionRegions; i++) { |
2426 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2427 |
|
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2428 |
|
} |
2429 |
|
GetSample(); // load global region sample reference |
2430 |
} |
} |
|
GetSample(); // load global region sample reference |
|
2431 |
} else { |
} else { |
2432 |
DimensionRegions = 0; |
DimensionRegions = 0; |
2433 |
for (int i = 0 ; i < 8 ; i++) { |
for (int i = 0 ; i < 8 ; i++) { |
2926 |
} |
} |
2927 |
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|
2928 |
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|
2929 |
|
// *************** MidiRule *************** |
2930 |
|
// * |
2931 |
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|
2932 |
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MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
2933 |
|
_3ewg->SetPos(36); |
2934 |
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Triggers = _3ewg->ReadUint8(); |
2935 |
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_3ewg->SetPos(40); |
2936 |
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ControllerNumber = _3ewg->ReadUint8(); |
2937 |
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_3ewg->SetPos(46); |
2938 |
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for (int i = 0 ; i < Triggers ; i++) { |
2939 |
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pTriggers[i].TriggerPoint = _3ewg->ReadUint8(); |
2940 |
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pTriggers[i].Descending = _3ewg->ReadUint8(); |
2941 |
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pTriggers[i].VelSensitivity = _3ewg->ReadUint8(); |
2942 |
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pTriggers[i].Key = _3ewg->ReadUint8(); |
2943 |
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pTriggers[i].NoteOff = _3ewg->ReadUint8(); |
2944 |
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pTriggers[i].Velocity = _3ewg->ReadUint8(); |
2945 |
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pTriggers[i].OverridePedal = _3ewg->ReadUint8(); |
2946 |
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_3ewg->ReadUint8(); |
2947 |
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} |
2948 |
|
} |
2949 |
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|
2950 |
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|
2951 |
// *************** Instrument *************** |
// *************** Instrument *************** |
2952 |
// * |
// * |
2968 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
2969 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
2970 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
2971 |
|
pMidiRules = new MidiRule*[3]; |
2972 |
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pMidiRules[0] = NULL; |
2973 |
|
|
2974 |
// Loading |
// Loading |
2975 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2984 |
PianoReleaseMode = dimkeystart & 0x01; |
PianoReleaseMode = dimkeystart & 0x01; |
2985 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
2986 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
2987 |
|
|
2988 |
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if (_3ewg->GetSize() > 32) { |
2989 |
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// read MIDI rules |
2990 |
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int i = 0; |
2991 |
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_3ewg->SetPos(32); |
2992 |
|
uint8_t id1 = _3ewg->ReadUint8(); |
2993 |
|
uint8_t id2 = _3ewg->ReadUint8(); |
2994 |
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|
2995 |
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if (id1 == 4 && id2 == 16) { |
2996 |
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pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg); |
2997 |
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} |
2998 |
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//TODO: all the other types of rules |
2999 |
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|
3000 |
|
pMidiRules[i] = NULL; |
3001 |
|
} |
3002 |
} |
} |
3003 |
} |
} |
3004 |
|
|
3005 |
if (!pRegions) pRegions = new RegionList; |
if (pFile->GetAutoLoad()) { |
3006 |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
if (!pRegions) pRegions = new RegionList; |
3007 |
if (lrgn) { |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
3008 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
if (lrgn) { |
3009 |
while (rgn) { |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
3010 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
while (rgn) { |
3011 |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
3012 |
pRegions->push_back(new Region(this, rgn)); |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
3013 |
|
pRegions->push_back(new Region(this, rgn)); |
3014 |
|
} |
3015 |
|
rgn = lrgn->GetNextSubList(); |
3016 |
} |
} |
3017 |
rgn = lrgn->GetNextSubList(); |
// Creating Region Key Table for fast lookup |
3018 |
|
UpdateRegionKeyTable(); |
3019 |
} |
} |
|
// Creating Region Key Table for fast lookup |
|
|
UpdateRegionKeyTable(); |
|
3020 |
} |
} |
3021 |
|
|
3022 |
__notify_progress(pProgress, 1.0f); // notify done |
__notify_progress(pProgress, 1.0f); // notify done |
3035 |
} |
} |
3036 |
|
|
3037 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3038 |
|
delete[] pMidiRules; |
3039 |
} |
} |
3040 |
|
|
3041 |
/** |
/** |
3150 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3151 |
} |
} |
3152 |
|
|
3153 |
|
/** |
3154 |
|
* Returns a MIDI rule of the instrument. |
3155 |
|
* |
3156 |
|
* The list of MIDI rules, at least in gig v3, always contains at |
3157 |
|
* most two rules. The second rule can only be the DEF filter |
3158 |
|
* (which currently isn't supported by libgig). |
3159 |
|
* |
3160 |
|
* @param i - MIDI rule number |
3161 |
|
* @returns pointer address to MIDI rule number i or NULL if there is none |
3162 |
|
*/ |
3163 |
|
MidiRule* Instrument::GetMidiRule(int i) { |
3164 |
|
return pMidiRules[i]; |
3165 |
|
} |
3166 |
|
|
3167 |
|
|
3168 |
// *************** Group *************** |
// *************** Group *************** |
3320 |
}; |
}; |
3321 |
|
|
3322 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3323 |
|
bAutoLoad = true; |
3324 |
*pVersion = VERSION_3; |
*pVersion = VERSION_3; |
3325 |
pGroups = NULL; |
pGroups = NULL; |
3326 |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3336 |
} |
} |
3337 |
|
|
3338 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3339 |
|
bAutoLoad = true; |
3340 |
pGroups = NULL; |
pGroups = NULL; |
3341 |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3342 |
} |
} |
3406 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3407 |
delete pSample; |
delete pSample; |
3408 |
|
|
3409 |
|
SampleList::iterator tmp = SamplesIterator; |
3410 |
// remove all references to the sample |
// remove all references to the sample |
3411 |
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3412 |
instrument = GetNextInstrument()) { |
instrument = GetNextInstrument()) { |
3421 |
} |
} |
3422 |
} |
} |
3423 |
} |
} |
3424 |
|
SamplesIterator = tmp; // restore iterator |
3425 |
} |
} |
3426 |
|
|
3427 |
void File::LoadSamples() { |
void File::LoadSamples() { |
3512 |
progress_t subprogress; |
progress_t subprogress; |
3513 |
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
3514 |
__notify_progress(&subprogress, 0.0f); |
__notify_progress(&subprogress, 0.0f); |
3515 |
GetFirstSample(&subprogress); // now force all samples to be loaded |
if (GetAutoLoad()) |
3516 |
|
GetFirstSample(&subprogress); // now force all samples to be loaded |
3517 |
__notify_progress(&subprogress, 1.0f); |
__notify_progress(&subprogress, 1.0f); |
3518 |
|
|
3519 |
// instrument loading subtask |
// instrument loading subtask |
3920 |
} |
} |
3921 |
} |
} |
3922 |
|
|
3923 |
|
/** |
3924 |
|
* Enable / disable automatic loading. By default this properyt is |
3925 |
|
* enabled and all informations are loaded automatically. However |
3926 |
|
* loading all Regions, DimensionRegions and especially samples might |
3927 |
|
* take a long time for large .gig files, and sometimes one might only |
3928 |
|
* be interested in retrieving very superficial informations like the |
3929 |
|
* amount of instruments and their names. In this case one might disable |
3930 |
|
* automatic loading to avoid very slow response times. |
3931 |
|
* |
3932 |
|
* @e CAUTION: by disabling this property many pointers (i.e. sample |
3933 |
|
* references) and informations will have invalid or even undefined |
3934 |
|
* data! This feature is currently only intended for retrieving very |
3935 |
|
* superficial informations in a very fast way. Don't use it to retrieve |
3936 |
|
* details like synthesis informations or even to modify .gig files! |
3937 |
|
*/ |
3938 |
|
void File::SetAutoLoad(bool b) { |
3939 |
|
bAutoLoad = b; |
3940 |
|
} |
3941 |
|
|
3942 |
|
/** |
3943 |
|
* Returns whether automatic loading is enabled. |
3944 |
|
* @see SetAutoLoad() |
3945 |
|
*/ |
3946 |
|
bool File::GetAutoLoad() { |
3947 |
|
return bAutoLoad; |
3948 |
|
} |
3949 |
|
|
3950 |
|
|
3951 |
|
|
3952 |
// *************** Exception *************** |
// *************** Exception *************** |