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* * |
* * |
3 |
* 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" |
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|
28 |
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#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. |
910 |
} |
} |
911 |
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|
912 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
913 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
if (totalreadsamples > swapareastart) //FIXME: this if() is just a crash workaround for now (#102), but totalreadsamples <= swapareastart should never be the case, so there's probably still a bug above! |
914 |
|
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
915 |
} |
} |
916 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
917 |
break; |
break; |
1838 |
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|
1839 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1840 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1841 |
pData[116] = eg3depth; |
store16(&pData[116], eg3depth); |
1842 |
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|
1843 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1844 |
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|
1885 |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1886 |
pData[137] = vcfbreakpoint; |
pData[137] = vcfbreakpoint; |
1887 |
|
|
1888 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 + |
1889 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
1890 |
pData[138] = vcfvelocity; |
pData[138] = vcfvelocity; |
1891 |
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|
2927 |
} |
} |
2928 |
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2929 |
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2930 |
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// *************** MidiRule *************** |
2931 |
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// * |
2932 |
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2933 |
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MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
2934 |
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_3ewg->SetPos(36); |
2935 |
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Triggers = _3ewg->ReadUint8(); |
2936 |
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_3ewg->SetPos(40); |
2937 |
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ControllerNumber = _3ewg->ReadUint8(); |
2938 |
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_3ewg->SetPos(46); |
2939 |
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for (int i = 0 ; i < Triggers ; i++) { |
2940 |
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pTriggers[i].TriggerPoint = _3ewg->ReadUint8(); |
2941 |
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pTriggers[i].Descending = _3ewg->ReadUint8(); |
2942 |
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pTriggers[i].VelSensitivity = _3ewg->ReadUint8(); |
2943 |
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pTriggers[i].Key = _3ewg->ReadUint8(); |
2944 |
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pTriggers[i].NoteOff = _3ewg->ReadUint8(); |
2945 |
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pTriggers[i].Velocity = _3ewg->ReadUint8(); |
2946 |
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pTriggers[i].OverridePedal = _3ewg->ReadUint8(); |
2947 |
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_3ewg->ReadUint8(); |
2948 |
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} |
2949 |
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} |
2950 |
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2951 |
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2952 |
// *************** Instrument *************** |
// *************** Instrument *************** |
2953 |
// * |
// * |
2969 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
2970 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
2971 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
2972 |
|
pMidiRules = new MidiRule*[3]; |
2973 |
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pMidiRules[0] = NULL; |
2974 |
|
|
2975 |
// Loading |
// Loading |
2976 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2985 |
PianoReleaseMode = dimkeystart & 0x01; |
PianoReleaseMode = dimkeystart & 0x01; |
2986 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
2987 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
2988 |
|
|
2989 |
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if (_3ewg->GetSize() > 32) { |
2990 |
|
// read MIDI rules |
2991 |
|
int i = 0; |
2992 |
|
_3ewg->SetPos(32); |
2993 |
|
uint8_t id1 = _3ewg->ReadUint8(); |
2994 |
|
uint8_t id2 = _3ewg->ReadUint8(); |
2995 |
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|
2996 |
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if (id1 == 4 && id2 == 16) { |
2997 |
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pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg); |
2998 |
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} |
2999 |
|
//TODO: all the other types of rules |
3000 |
|
|
3001 |
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pMidiRules[i] = NULL; |
3002 |
|
} |
3003 |
} |
} |
3004 |
} |
} |
3005 |
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|
3036 |
} |
} |
3037 |
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|
3038 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3039 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3040 |
|
delete pMidiRules[i]; |
3041 |
|
} |
3042 |
|
delete[] pMidiRules; |
3043 |
} |
} |
3044 |
|
|
3045 |
/** |
/** |
3154 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3155 |
} |
} |
3156 |
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|
3157 |
|
/** |
3158 |
|
* Returns a MIDI rule of the instrument. |
3159 |
|
* |
3160 |
|
* The list of MIDI rules, at least in gig v3, always contains at |
3161 |
|
* most two rules. The second rule can only be the DEF filter |
3162 |
|
* (which currently isn't supported by libgig). |
3163 |
|
* |
3164 |
|
* @param i - MIDI rule number |
3165 |
|
* @returns pointer address to MIDI rule number i or NULL if there is none |
3166 |
|
*/ |
3167 |
|
MidiRule* Instrument::GetMidiRule(int i) { |
3168 |
|
return pMidiRules[i]; |
3169 |
|
} |
3170 |
|
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3171 |
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|
3172 |
// *************** Group *************** |
// *************** Group *************** |
3410 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3411 |
delete pSample; |
delete pSample; |
3412 |
|
|
3413 |
|
SampleList::iterator tmp = SamplesIterator; |
3414 |
// remove all references to the sample |
// remove all references to the sample |
3415 |
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3416 |
instrument = GetNextInstrument()) { |
instrument = GetNextInstrument()) { |
3425 |
} |
} |
3426 |
} |
} |
3427 |
} |
} |
3428 |
|
SamplesIterator = tmp; // restore iterator |
3429 |
} |
} |
3430 |
|
|
3431 |
void File::LoadSamples() { |
void File::LoadSamples() { |