2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
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* 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 |
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|
28 |
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#include <algorithm> |
29 |
#include <math.h> |
#include <math.h> |
30 |
#include <iostream> |
#include <iostream> |
31 |
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|
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. |
2926 |
} |
} |
2927 |
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2928 |
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2929 |
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// *************** MidiRule *************** |
2930 |
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// * |
2931 |
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2932 |
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MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
2933 |
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_3ewg->SetPos(36); |
2934 |
|
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 |
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} |
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 |
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|
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 |
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|
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 |
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uint8_t id1 = _3ewg->ReadUint8(); |
2993 |
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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 |
|
//TODO: all the other types of rules |
2999 |
|
|
3000 |
|
pMidiRules[i] = NULL; |
3001 |
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} |
3002 |
} |
} |
3003 |
} |
} |
3004 |
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|
3035 |
} |
} |
3036 |
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|
3037 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3038 |
|
delete[] pMidiRules; |
3039 |
} |
} |
3040 |
|
|
3041 |
/** |
/** |
3150 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3151 |
} |
} |
3152 |
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|
3153 |
|
/** |
3154 |
|
* Returns a MIDI rule of the instrument. |
3155 |
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* |
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 |
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3167 |
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|
3168 |
// *************** Group *************** |
// *************** Group *************** |
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 |
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|
3427 |
void File::LoadSamples() { |
void File::LoadSamples() { |