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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
* * |
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* Copyright (C) 2003-2005 by Christian Schoenebeck * |
* Copyright (C) 2003-2006 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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#include "gig.h" |
#include "gig.h" |
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#include "helper.h" |
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#include <math.h> |
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#include <iostream> |
#include <iostream> |
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/// Initial size of the sample buffer which is used for decompression of |
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/// compressed sample wave streams - this value should always be bigger than |
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/// the biggest sample piece expected to be read by the sampler engine, |
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/// otherwise the buffer size will be raised at runtime and thus the buffer |
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/// reallocated which is time consuming and unefficient. |
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#define INITIAL_SAMPLE_BUFFER_SIZE 512000 // 512 kB |
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/** (so far) every exponential paramater in the gig format has a basis of 1.000000008813822 */ |
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#define GIG_EXP_DECODE(x) (pow(1.000000008813822, x)) |
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#define GIG_EXP_ENCODE(x) (log(x) / log(1.000000008813822)) |
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#define GIG_PITCH_TRACK_EXTRACT(x) (!(x & 0x01)) |
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#define GIG_PITCH_TRACK_ENCODE(x) ((x) ? 0x00 : 0x01) |
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#define GIG_VCF_RESONANCE_CTRL_EXTRACT(x) ((x >> 4) & 0x03) |
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#define GIG_VCF_RESONANCE_CTRL_ENCODE(x) ((x & 0x03) << 4) |
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#define GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(x) ((x >> 1) & 0x03) |
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#define GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(x) ((x >> 3) & 0x03) |
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#define GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(x) ((x >> 5) & 0x03) |
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#define GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(x) ((x & 0x03) << 1) |
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#define GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(x) ((x & 0x03) << 3) |
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#define GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(x) ((x & 0x03) << 5) |
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namespace gig { |
namespace gig { |
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// *************** progress_t *************** |
// *************** progress_t *************** |
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} |
} |
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// *************** Internal functions for sample decopmression *************** |
// *************** Internal functions for sample decompression *************** |
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// * |
// * |
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namespace { |
namespace { |
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return x & 0x800000 ? x - 0x1000000 : x; |
return x & 0x800000 ? x - 0x1000000 : x; |
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} |
} |
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inline void store24(unsigned char* pDst, int x) |
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{ |
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pDst[0] = x; |
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pDst[1] = x >> 8; |
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pDst[2] = x >> 16; |
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} |
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void Decompress16(int compressionmode, const unsigned char* params, |
void Decompress16(int compressionmode, const unsigned char* params, |
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int srcStep, int dstStep, |
int srcStep, int dstStep, |
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const unsigned char* pSrc, int16_t* pDst, |
const unsigned char* pSrc, int16_t* pDst, |
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} |
} |
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void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
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int dstStep, const unsigned char* pSrc, int16_t* pDst, |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
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unsigned long currentframeoffset, |
unsigned long currentframeoffset, |
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unsigned long copysamples, int truncatedBits) |
unsigned long copysamples, int truncatedBits) |
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{ |
{ |
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// Note: The 24 bits are truncated to 16 bits for now. |
int y, dy, ddy, dddy; |
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// Note: The calculation of the initial value of y is strange |
#define GET_PARAMS(params) \ |
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// and not 100% correct. What should the first two parameters |
y = get24(params); \ |
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// really be used for? Why are they two? The correct value for |
dy = y - get24((params) + 3); \ |
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// y seems to lie somewhere between the values of the first |
ddy = get24((params) + 6); \ |
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// two parameters. |
dddy = get24((params) + 9) |
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// |
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// Strange thing #2: The formula in SKIP_ONE gives values for |
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// y that are twice as high as they should be. That's why |
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// COPY_ONE shifts an extra step, and also why y is |
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// initialized with a sum instead of a mean value. |
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int y, dy, ddy; |
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const int shift = 8 - truncatedBits; |
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const int shift1 = shift + 1; |
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#define GET_PARAMS(params) \ |
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y = (get24(params) + get24((params) + 3)); \ |
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dy = get24((params) + 6); \ |
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ddy = get24((params) + 9) |
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#define SKIP_ONE(x) \ |
#define SKIP_ONE(x) \ |
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ddy -= (x); \ |
dddy -= (x); \ |
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dy -= ddy; \ |
ddy -= dddy; \ |
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y -= dy |
dy = -dy - ddy; \ |
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y += dy |
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#define COPY_ONE(x) \ |
#define COPY_ONE(x) \ |
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SKIP_ONE(x); \ |
SKIP_ONE(x); \ |
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*pDst = y >> shift1; \ |
store24(pDst, y << truncatedBits); \ |
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pDst += dstStep |
pDst += dstStep |
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switch (compressionmode) { |
switch (compressionmode) { |
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case 2: // 24 bit uncompressed |
case 2: // 24 bit uncompressed |
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pSrc += currentframeoffset * 3; |
pSrc += currentframeoffset * 3; |
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while (copysamples) { |
while (copysamples) { |
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*pDst = get24(pSrc) >> shift; |
store24(pDst, get24(pSrc) << truncatedBits); |
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pDst += dstStep; |
pDst += dstStep; |
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pSrc += 3; |
pSrc += 3; |
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copysamples--; |
copysamples--; |
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unsigned int Sample::Instances = 0; |
unsigned int Sample::Instances = 0; |
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buffer_t Sample::InternalDecompressionBuffer; |
buffer_t Sample::InternalDecompressionBuffer; |
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Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
/** @brief Constructor. |
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* |
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* Load an existing sample or create a new one. A 'wave' list chunk must |
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* be given to this constructor. In case the given 'wave' list chunk |
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* contains a 'fmt', 'data' (and optionally a '3gix', 'smpl') chunk, the |
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* format and sample data will be loaded from there, otherwise default |
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* values will be used and those chunks will be created when |
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* File::Save() will be called later on. |
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* |
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* @param pFile - pointer to gig::File where this sample is |
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* located (or will be located) |
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* @param waveList - pointer to 'wave' list chunk which is (or |
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* will be) associated with this sample |
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* @param WavePoolOffset - offset of this sample data from wave pool |
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* ('wvpl') list chunk |
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* @param fileNo - number of an extension file where this sample |
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* is located, 0 otherwise |
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*/ |
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Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
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pInfo->UseFixedLengthStrings = true; |
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Instances++; |
Instances++; |
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FileNo = fileNo; |
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RIFF::Chunk* _3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
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if (!_3gix) throw gig::Exception("Mandatory chunks in <wave> list chunk not found."); |
if (pCk3gix) { |
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SampleGroup = _3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
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pGroup = pFile->GetGroup(iSampleGroup); |
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RIFF::Chunk* smpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
} else { // '3gix' chunk missing |
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if (!smpl) throw gig::Exception("Mandatory chunks in <wave> list chunk not found."); |
// by default assigned to that mandatory "Default Group" |
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Manufacturer = smpl->ReadInt32(); |
pGroup = pFile->GetGroup(0); |
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Product = smpl->ReadInt32(); |
} |
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SamplePeriod = smpl->ReadInt32(); |
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MIDIUnityNote = smpl->ReadInt32(); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
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FineTune = smpl->ReadInt32(); |
if (pCkSmpl) { |
297 |
smpl->Read(&SMPTEFormat, 1, 4); |
Manufacturer = pCkSmpl->ReadInt32(); |
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SMPTEOffset = smpl->ReadInt32(); |
Product = pCkSmpl->ReadInt32(); |
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Loops = smpl->ReadInt32(); |
SamplePeriod = pCkSmpl->ReadInt32(); |
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smpl->ReadInt32(); // manufByt |
MIDIUnityNote = pCkSmpl->ReadInt32(); |
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LoopID = smpl->ReadInt32(); |
FineTune = pCkSmpl->ReadInt32(); |
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smpl->Read(&LoopType, 1, 4); |
pCkSmpl->Read(&SMPTEFormat, 1, 4); |
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LoopStart = smpl->ReadInt32(); |
SMPTEOffset = pCkSmpl->ReadInt32(); |
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LoopEnd = smpl->ReadInt32(); |
Loops = pCkSmpl->ReadInt32(); |
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LoopFraction = smpl->ReadInt32(); |
pCkSmpl->ReadInt32(); // manufByt |
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LoopPlayCount = smpl->ReadInt32(); |
LoopID = pCkSmpl->ReadInt32(); |
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pCkSmpl->Read(&LoopType, 1, 4); |
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LoopStart = pCkSmpl->ReadInt32(); |
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LoopEnd = pCkSmpl->ReadInt32(); |
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LoopFraction = pCkSmpl->ReadInt32(); |
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LoopPlayCount = pCkSmpl->ReadInt32(); |
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} else { // 'smpl' chunk missing |
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// use default values |
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Manufacturer = 0; |
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Product = 0; |
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SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
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MIDIUnityNote = 64; |
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FineTune = 0; |
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SMPTEOffset = 0; |
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Loops = 0; |
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LoopID = 0; |
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LoopStart = 0; |
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LoopEnd = 0; |
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LoopFraction = 0; |
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LoopPlayCount = 0; |
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} |
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FrameTable = NULL; |
FrameTable = NULL; |
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SamplePos = 0; |
SamplePos = 0; |
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} |
} |
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FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
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LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart + 1; |
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} |
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/** |
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* Apply sample and its settings to the respective RIFF chunks. You have |
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* to call File::Save() to make changes persistent. |
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* |
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* Usually there is absolutely no need to call this method explicitly. |
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* It will be called automatically when File::Save() was called. |
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* |
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* @throws DLS::Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
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* was provided yet |
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* @throws gig::Exception if there is any invalid sample setting |
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*/ |
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void Sample::UpdateChunks() { |
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// first update base class's chunks |
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DLS::Sample::UpdateChunks(); |
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// make sure 'smpl' chunk exists |
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pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
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if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
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// update 'smpl' chunk |
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uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
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SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
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memcpy(&pData[0], &Manufacturer, 4); |
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memcpy(&pData[4], &Product, 4); |
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memcpy(&pData[8], &SamplePeriod, 4); |
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memcpy(&pData[12], &MIDIUnityNote, 4); |
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memcpy(&pData[16], &FineTune, 4); |
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memcpy(&pData[20], &SMPTEFormat, 4); |
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memcpy(&pData[24], &SMPTEOffset, 4); |
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memcpy(&pData[28], &Loops, 4); |
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// we skip 'manufByt' for now (4 bytes) |
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memcpy(&pData[36], &LoopID, 4); |
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memcpy(&pData[40], &LoopType, 4); |
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memcpy(&pData[44], &LoopStart, 4); |
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memcpy(&pData[48], &LoopEnd, 4); |
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memcpy(&pData[52], &LoopFraction, 4); |
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memcpy(&pData[56], &LoopPlayCount, 4); |
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// make sure '3gix' chunk exists |
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pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
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if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
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// determine appropriate sample group index (to be stored in chunk) |
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uint16_t iSampleGroup = 0; // 0 refers to default sample group |
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File* pFile = static_cast<File*>(pParent); |
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if (pFile->pGroups) { |
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std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
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std::list<Group*>::iterator end = pFile->pGroups->end(); |
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for (int i = 0; iter != end; i++, iter++) { |
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if (*iter == pGroup) { |
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iSampleGroup = i; |
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break; // found |
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} |
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} |
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} |
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// update '3gix' chunk |
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pData = (uint8_t*) pCk3gix->LoadChunkData(); |
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memcpy(&pData[0], &iSampleGroup, 2); |
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} |
} |
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/// Scans compressed samples for mandatory informations (e.g. actual number of total sample points). |
/// Scans compressed samples for mandatory informations (e.g. actual number of total sample points). |
617 |
RAMCache.Size = 0; |
RAMCache.Size = 0; |
618 |
} |
} |
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/** @brief Resize sample. |
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* |
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* Resizes the sample's wave form data, that is the actual size of |
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* sample wave data possible to be written for this sample. This call |
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* will return immediately and just schedule the resize operation. You |
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* should call File::Save() to actually perform the resize operation(s) |
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* "physically" to the file. As this can take a while on large files, it |
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* is recommended to call Resize() first on all samples which have to be |
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* resized and finally to call File::Save() to perform all those resize |
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* operations in one rush. |
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* |
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* The actual size (in bytes) is dependant to the current FrameSize |
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* value. You may want to set FrameSize before calling Resize(). |
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* |
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* <b>Caution:</b> You cannot directly write (i.e. with Write()) to |
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* enlarged samples before calling File::Save() as this might exceed the |
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* current sample's boundary! |
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* |
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* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
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* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
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* other formats will fail! |
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* |
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* @param iNewSize - new sample wave data size in sample points (must be |
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* greater than zero) |
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* @throws DLS::Excecption if FormatTag != WAVE_FORMAT_PCM |
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* or if \a iNewSize is less than 1 |
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* @throws gig::Exception if existing sample is compressed |
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* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
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* DLS::Sample::FormatTag, File::Save() |
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*/ |
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void Sample::Resize(int iNewSize) { |
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if (Compressed) throw gig::Exception("There is no support for modifying compressed samples (yet)"); |
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DLS::Sample::Resize(iNewSize); |
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} |
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/** |
/** |
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* Sets the position within the sample (in sample points, not in |
* Sets the position within the sample (in sample points, not in |
657 |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
741 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
742 |
* @param pPlaybackState will be used to store and reload the playback |
* @param pPlaybackState will be used to store and reload the playback |
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* state for the next ReadAndLoop() call |
* state for the next ReadAndLoop() call |
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* @param pDimRgn dimension region with looping information |
745 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
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* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
747 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
748 |
*/ |
*/ |
749 |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, buffer_t* pExternalDecompressionBuffer) { |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, |
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DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
751 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
752 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
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SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
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756 |
if (this->Loops && GetPos() <= this->LoopEnd) { // honor looping if there are loop points defined |
if (pDimRgn->SampleLoops) { // honor looping if there are loop points defined |
757 |
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758 |
switch (this->LoopType) { |
const DLS::sample_loop_t& loop = pDimRgn->pSampleLoops[0]; |
759 |
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const uint32_t loopEnd = loop.LoopStart + loop.LoopLength; |
760 |
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761 |
case loop_type_bidirectional: { //TODO: not tested yet! |
if (GetPos() <= loopEnd) { |
762 |
do { |
switch (loop.LoopType) { |
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// if not endless loop check if max. number of loop cycles have been passed |
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if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
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if (!pPlaybackState->reverse) { // forward playback |
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do { |
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samplestoloopend = this->LoopEnd - GetPos(); |
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readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
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samplestoread -= readsamples; |
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totalreadsamples += readsamples; |
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if (readsamples == samplestoloopend) { |
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pPlaybackState->reverse = true; |
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break; |
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} |
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} while (samplestoread && readsamples); |
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} |
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else { // backward playback |
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763 |
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764 |
// as we can only read forward from disk, we have to |
case loop_type_bidirectional: { //TODO: not tested yet! |
765 |
// determine the end position within the loop first, |
do { |
766 |
// read forward from that 'end' and finally after |
// if not endless loop check if max. number of loop cycles have been passed |
767 |
// reading, swap all sample frames so it reflects |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
768 |
// backward playback |
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769 |
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if (!pPlaybackState->reverse) { // forward playback |
770 |
unsigned long swapareastart = totalreadsamples; |
do { |
771 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
samplestoloopend = loopEnd - GetPos(); |
772 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
773 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
samplestoread -= readsamples; |
774 |
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totalreadsamples += readsamples; |
775 |
SetPos(reverseplaybackend); |
if (readsamples == samplestoloopend) { |
776 |
|
pPlaybackState->reverse = true; |
777 |
// read samples for backward playback |
break; |
778 |
do { |
} |
779 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
780 |
samplestoreadinloop -= readsamples; |
} |
781 |
samplestoread -= readsamples; |
else { // backward playback |
|
totalreadsamples += readsamples; |
|
|
} while (samplestoreadinloop && readsamples); |
|
782 |
|
|
783 |
SetPos(reverseplaybackend); // pretend we really read backwards |
// as we can only read forward from disk, we have to |
784 |
|
// determine the end position within the loop first, |
785 |
|
// read forward from that 'end' and finally after |
786 |
|
// reading, swap all sample frames so it reflects |
787 |
|
// backward playback |
788 |
|
|
789 |
|
unsigned long swapareastart = totalreadsamples; |
790 |
|
unsigned long loopoffset = GetPos() - loop.LoopStart; |
791 |
|
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
792 |
|
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
793 |
|
|
794 |
|
SetPos(reverseplaybackend); |
795 |
|
|
796 |
|
// read samples for backward playback |
797 |
|
do { |
798 |
|
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
799 |
|
samplestoreadinloop -= readsamples; |
800 |
|
samplestoread -= readsamples; |
801 |
|
totalreadsamples += readsamples; |
802 |
|
} while (samplestoreadinloop && readsamples); |
803 |
|
|
804 |
|
SetPos(reverseplaybackend); // pretend we really read backwards |
805 |
|
|
806 |
|
if (reverseplaybackend == loop.LoopStart) { |
807 |
|
pPlaybackState->loop_cycles_left--; |
808 |
|
pPlaybackState->reverse = false; |
809 |
|
} |
810 |
|
|
811 |
if (reverseplaybackend == this->LoopStart) { |
// reverse the sample frames for backward playback |
812 |
pPlaybackState->loop_cycles_left--; |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
|
pPlaybackState->reverse = false; |
|
813 |
} |
} |
814 |
|
} while (samplestoread && readsamples); |
815 |
|
break; |
816 |
|
} |
817 |
|
|
818 |
// reverse the sample frames for backward playback |
case loop_type_backward: { // TODO: not tested yet! |
819 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
// forward playback (not entered the loop yet) |
820 |
} |
if (!pPlaybackState->reverse) do { |
821 |
} while (samplestoread && readsamples); |
samplestoloopend = loopEnd - GetPos(); |
822 |
break; |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
823 |
} |
samplestoread -= readsamples; |
824 |
|
totalreadsamples += readsamples; |
825 |
case loop_type_backward: { // TODO: not tested yet! |
if (readsamples == samplestoloopend) { |
826 |
// forward playback (not entered the loop yet) |
pPlaybackState->reverse = true; |
827 |
if (!pPlaybackState->reverse) do { |
break; |
828 |
samplestoloopend = this->LoopEnd - GetPos(); |
} |
829 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
|
samplestoread -= readsamples; |
|
|
totalreadsamples += readsamples; |
|
|
if (readsamples == samplestoloopend) { |
|
|
pPlaybackState->reverse = true; |
|
|
break; |
|
|
} |
|
|
} while (samplestoread && readsamples); |
|
830 |
|
|
831 |
if (!samplestoread) break; |
if (!samplestoread) break; |
832 |
|
|
833 |
// as we can only read forward from disk, we have to |
// as we can only read forward from disk, we have to |
834 |
// determine the end position within the loop first, |
// determine the end position within the loop first, |
835 |
// read forward from that 'end' and finally after |
// read forward from that 'end' and finally after |
836 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
837 |
// backward playback |
// backward playback |
838 |
|
|
839 |
unsigned long swapareastart = totalreadsamples; |
unsigned long swapareastart = totalreadsamples; |
840 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
841 |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * LoopSize - loopoffset) |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
842 |
: samplestoread; |
: samplestoread; |
843 |
unsigned long reverseplaybackend = this->LoopStart + Abs((loopoffset - samplestoreadinloop) % this->LoopSize); |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
844 |
|
|
845 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
846 |
|
|
847 |
// read samples for backward playback |
// read samples for backward playback |
848 |
do { |
do { |
849 |
// if not endless loop check if max. number of loop cycles have been passed |
// if not endless loop check if max. number of loop cycles have been passed |
850 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
851 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
852 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
853 |
samplestoreadinloop -= readsamples; |
samplestoreadinloop -= readsamples; |
854 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
855 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
856 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
857 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
858 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
859 |
} |
} |
860 |
} while (samplestoreadinloop && readsamples); |
} while (samplestoreadinloop && readsamples); |
861 |
|
|
862 |
SetPos(reverseplaybackend); // pretend we really read backwards |
SetPos(reverseplaybackend); // pretend we really read backwards |
863 |
|
|
864 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
865 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
866 |
break; |
break; |
867 |
} |
} |
868 |
|
|
869 |
default: case loop_type_normal: { |
default: case loop_type_normal: { |
870 |
do { |
do { |
871 |
// if not endless loop check if max. number of loop cycles have been passed |
// if not endless loop check if max. number of loop cycles have been passed |
872 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
873 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
874 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
875 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
876 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
877 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
878 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
879 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
880 |
} |
} |
881 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
882 |
break; |
break; |
883 |
|
} |
884 |
} |
} |
885 |
} |
} |
886 |
} |
} |
910 |
* have to use an external decompression buffer for <b>EACH</b> |
* have to use an external decompression buffer for <b>EACH</b> |
911 |
* streaming thread to avoid race conditions and crashes! |
* streaming thread to avoid race conditions and crashes! |
912 |
* |
* |
913 |
|
* For 16 bit samples, the data in the buffer will be int16_t |
914 |
|
* (using native endianness). For 24 bit, the buffer will |
915 |
|
* contain three bytes per sample, little-endian. |
916 |
|
* |
917 |
* @param pBuffer destination buffer |
* @param pBuffer destination buffer |
918 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
919 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
924 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
925 |
if (!Compressed) { |
if (!Compressed) { |
926 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
927 |
// 24 bit sample. For now just truncate to 16 bit. |
return pCkData->Read(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
|
unsigned char* pSrc = (unsigned char*) ((pExternalDecompressionBuffer) ? pExternalDecompressionBuffer->pStart : this->InternalDecompressionBuffer.pStart); |
|
|
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
|
|
if (Channels == 2) { // Stereo |
|
|
unsigned long readBytes = pCkData->Read(pSrc, SampleCount * 6, 1); |
|
|
pSrc++; |
|
|
for (unsigned long i = readBytes ; i > 0 ; i -= 3) { |
|
|
*pDst++ = get16(pSrc); |
|
|
pSrc += 3; |
|
|
} |
|
|
return (pDst - static_cast<int16_t*>(pBuffer)) >> 1; |
|
|
} |
|
|
else { // Mono |
|
|
unsigned long readBytes = pCkData->Read(pSrc, SampleCount * 3, 1); |
|
|
pSrc++; |
|
|
for (unsigned long i = readBytes ; i > 0 ; i -= 3) { |
|
|
*pDst++ = get16(pSrc); |
|
|
pSrc += 3; |
|
|
} |
|
|
return pDst - static_cast<int16_t*>(pBuffer); |
|
|
} |
|
928 |
} |
} |
929 |
else { // 16 bit |
else { // 16 bit |
930 |
// (pCkData->Read does endian correction) |
// (pCkData->Read does endian correction) |
954 |
|
|
955 |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
956 |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
957 |
|
uint8_t* pDst24 = static_cast<uint8_t*>(pBuffer); |
958 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
959 |
|
|
960 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1036 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
1037 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
1038 |
|
|
1039 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
Decompress24(mode_l, param_l, 6, pSrc, pDst24, |
1040 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1041 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 6, pSrc + rightChannelOffset, pDst24 + 3, |
1042 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1043 |
pDst += copysamples << 1; |
pDst24 += copysamples * 6; |
1044 |
} |
} |
1045 |
else { // Mono |
else { // Mono |
1046 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
Decompress24(mode_l, param_l, 3, pSrc, pDst24, |
1047 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1048 |
pDst += copysamples; |
pDst24 += copysamples * 3; |
1049 |
} |
} |
1050 |
} |
} |
1051 |
else { // 16 bit |
else { // 16 bit |
1087 |
} |
} |
1088 |
} |
} |
1089 |
|
|
1090 |
|
/** @brief Write sample wave data. |
1091 |
|
* |
1092 |
|
* Writes \a SampleCount number of sample points from the buffer pointed |
1093 |
|
* by \a pBuffer and increments the position within the sample. Use this |
1094 |
|
* method to directly write the sample data to disk, i.e. if you don't |
1095 |
|
* want or cannot load the whole sample data into RAM. |
1096 |
|
* |
1097 |
|
* You have to Resize() the sample to the desired size and call |
1098 |
|
* File::Save() <b>before</b> using Write(). |
1099 |
|
* |
1100 |
|
* Note: there is currently no support for writing compressed samples. |
1101 |
|
* |
1102 |
|
* @param pBuffer - source buffer |
1103 |
|
* @param SampleCount - number of sample points to write |
1104 |
|
* @throws DLS::Exception if current sample size is too small |
1105 |
|
* @throws gig::Exception if sample is compressed |
1106 |
|
* @see DLS::LoadSampleData() |
1107 |
|
*/ |
1108 |
|
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
1109 |
|
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
1110 |
|
return DLS::Sample::Write(pBuffer, SampleCount); |
1111 |
|
} |
1112 |
|
|
1113 |
/** |
/** |
1114 |
* Allocates a decompression buffer for streaming (compressed) samples |
* Allocates a decompression buffer for streaming (compressed) samples |
1115 |
* with Sample::Read(). If you are using more than one streaming thread |
* with Sample::Read(). If you are using more than one streaming thread |
1152 |
} |
} |
1153 |
} |
} |
1154 |
|
|
1155 |
|
/** |
1156 |
|
* Returns pointer to the Group this Sample belongs to. In the .gig |
1157 |
|
* format a sample always belongs to one group. If it wasn't explicitly |
1158 |
|
* assigned to a certain group, it will be automatically assigned to a |
1159 |
|
* default group. |
1160 |
|
* |
1161 |
|
* @returns Sample's Group (never NULL) |
1162 |
|
*/ |
1163 |
|
Group* Sample::GetGroup() const { |
1164 |
|
return pGroup; |
1165 |
|
} |
1166 |
|
|
1167 |
Sample::~Sample() { |
Sample::~Sample() { |
1168 |
Instances--; |
Instances--; |
1169 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
1186 |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1187 |
Instances++; |
Instances++; |
1188 |
|
|
1189 |
|
pSample = NULL; |
1190 |
|
|
1191 |
memcpy(&Crossfade, &SamplerOptions, 4); |
memcpy(&Crossfade, &SamplerOptions, 4); |
1192 |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
1193 |
|
|
1194 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1195 |
_3ewa->ReadInt32(); // unknown, always 0x0000008C ? |
if (_3ewa) { // if '3ewa' chunk exists |
1196 |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
1197 |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1198 |
_3ewa->ReadInt16(); // unknown |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1199 |
LFO1InternalDepth = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1200 |
_3ewa->ReadInt16(); // unknown |
LFO1InternalDepth = _3ewa->ReadUint16(); |
1201 |
LFO3InternalDepth = _3ewa->ReadInt16(); |
_3ewa->ReadInt16(); // unknown |
1202 |
_3ewa->ReadInt16(); // unknown |
LFO3InternalDepth = _3ewa->ReadInt16(); |
1203 |
LFO1ControlDepth = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1204 |
_3ewa->ReadInt16(); // unknown |
LFO1ControlDepth = _3ewa->ReadUint16(); |
1205 |
LFO3ControlDepth = _3ewa->ReadInt16(); |
_3ewa->ReadInt16(); // unknown |
1206 |
EG1Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3ControlDepth = _3ewa->ReadInt16(); |
1207 |
EG1Decay1 = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG1Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1208 |
_3ewa->ReadInt16(); // unknown |
EG1Decay1 = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1209 |
EG1Sustain = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1210 |
EG1Release = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG1Sustain = _3ewa->ReadUint16(); |
1211 |
EG1Controller = DecodeLeverageController(static_cast<_lev_ctrl_t>(_3ewa->ReadUint8())); |
EG1Release = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1212 |
uint8_t eg1ctrloptions = _3ewa->ReadUint8(); |
EG1Controller = DecodeLeverageController(static_cast<_lev_ctrl_t>(_3ewa->ReadUint8())); |
1213 |
EG1ControllerInvert = eg1ctrloptions & 0x01; |
uint8_t eg1ctrloptions = _3ewa->ReadUint8(); |
1214 |
EG1ControllerAttackInfluence = GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(eg1ctrloptions); |
EG1ControllerInvert = eg1ctrloptions & 0x01; |
1215 |
EG1ControllerDecayInfluence = GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(eg1ctrloptions); |
EG1ControllerAttackInfluence = GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(eg1ctrloptions); |
1216 |
EG1ControllerReleaseInfluence = GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(eg1ctrloptions); |
EG1ControllerDecayInfluence = GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(eg1ctrloptions); |
1217 |
EG2Controller = DecodeLeverageController(static_cast<_lev_ctrl_t>(_3ewa->ReadUint8())); |
EG1ControllerReleaseInfluence = GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(eg1ctrloptions); |
1218 |
uint8_t eg2ctrloptions = _3ewa->ReadUint8(); |
EG2Controller = DecodeLeverageController(static_cast<_lev_ctrl_t>(_3ewa->ReadUint8())); |
1219 |
EG2ControllerInvert = eg2ctrloptions & 0x01; |
uint8_t eg2ctrloptions = _3ewa->ReadUint8(); |
1220 |
EG2ControllerAttackInfluence = GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(eg2ctrloptions); |
EG2ControllerInvert = eg2ctrloptions & 0x01; |
1221 |
EG2ControllerDecayInfluence = GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(eg2ctrloptions); |
EG2ControllerAttackInfluence = GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(eg2ctrloptions); |
1222 |
EG2ControllerReleaseInfluence = GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(eg2ctrloptions); |
EG2ControllerDecayInfluence = GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(eg2ctrloptions); |
1223 |
LFO1Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG2ControllerReleaseInfluence = GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(eg2ctrloptions); |
1224 |
EG2Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO1Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1225 |
EG2Decay1 = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG2Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1226 |
_3ewa->ReadInt16(); // unknown |
EG2Decay1 = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1227 |
EG2Sustain = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1228 |
EG2Release = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG2Sustain = _3ewa->ReadUint16(); |
1229 |
_3ewa->ReadInt16(); // unknown |
EG2Release = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1230 |
LFO2ControlDepth = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1231 |
LFO2Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO2ControlDepth = _3ewa->ReadUint16(); |
1232 |
_3ewa->ReadInt16(); // unknown |
LFO2Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1233 |
LFO2InternalDepth = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1234 |
int32_t eg1decay2 = _3ewa->ReadInt32(); |
LFO2InternalDepth = _3ewa->ReadUint16(); |
1235 |
EG1Decay2 = (double) GIG_EXP_DECODE(eg1decay2); |
int32_t eg1decay2 = _3ewa->ReadInt32(); |
1236 |
EG1InfiniteSustain = (eg1decay2 == 0x7fffffff); |
EG1Decay2 = (double) GIG_EXP_DECODE(eg1decay2); |
1237 |
_3ewa->ReadInt16(); // unknown |
EG1InfiniteSustain = (eg1decay2 == 0x7fffffff); |
1238 |
EG1PreAttack = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1239 |
int32_t eg2decay2 = _3ewa->ReadInt32(); |
EG1PreAttack = _3ewa->ReadUint16(); |
1240 |
EG2Decay2 = (double) GIG_EXP_DECODE(eg2decay2); |
int32_t eg2decay2 = _3ewa->ReadInt32(); |
1241 |
EG2InfiniteSustain = (eg2decay2 == 0x7fffffff); |
EG2Decay2 = (double) GIG_EXP_DECODE(eg2decay2); |
1242 |
_3ewa->ReadInt16(); // unknown |
EG2InfiniteSustain = (eg2decay2 == 0x7fffffff); |
1243 |
EG2PreAttack = _3ewa->ReadUint16(); |
_3ewa->ReadInt16(); // unknown |
1244 |
uint8_t velocityresponse = _3ewa->ReadUint8(); |
EG2PreAttack = _3ewa->ReadUint16(); |
1245 |
if (velocityresponse < 5) { |
uint8_t velocityresponse = _3ewa->ReadUint8(); |
1246 |
VelocityResponseCurve = curve_type_nonlinear; |
if (velocityresponse < 5) { |
1247 |
VelocityResponseDepth = velocityresponse; |
VelocityResponseCurve = curve_type_nonlinear; |
1248 |
} |
VelocityResponseDepth = velocityresponse; |
1249 |
else if (velocityresponse < 10) { |
} else if (velocityresponse < 10) { |
1250 |
VelocityResponseCurve = curve_type_linear; |
VelocityResponseCurve = curve_type_linear; |
1251 |
VelocityResponseDepth = velocityresponse - 5; |
VelocityResponseDepth = velocityresponse - 5; |
1252 |
} |
} else if (velocityresponse < 15) { |
1253 |
else if (velocityresponse < 15) { |
VelocityResponseCurve = curve_type_special; |
1254 |
VelocityResponseCurve = curve_type_special; |
VelocityResponseDepth = velocityresponse - 10; |
1255 |
VelocityResponseDepth = velocityresponse - 10; |
} else { |
1256 |
|
VelocityResponseCurve = curve_type_unknown; |
1257 |
|
VelocityResponseDepth = 0; |
1258 |
|
} |
1259 |
|
uint8_t releasevelocityresponse = _3ewa->ReadUint8(); |
1260 |
|
if (releasevelocityresponse < 5) { |
1261 |
|
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1262 |
|
ReleaseVelocityResponseDepth = releasevelocityresponse; |
1263 |
|
} else if (releasevelocityresponse < 10) { |
1264 |
|
ReleaseVelocityResponseCurve = curve_type_linear; |
1265 |
|
ReleaseVelocityResponseDepth = releasevelocityresponse - 5; |
1266 |
|
} else if (releasevelocityresponse < 15) { |
1267 |
|
ReleaseVelocityResponseCurve = curve_type_special; |
1268 |
|
ReleaseVelocityResponseDepth = releasevelocityresponse - 10; |
1269 |
|
} else { |
1270 |
|
ReleaseVelocityResponseCurve = curve_type_unknown; |
1271 |
|
ReleaseVelocityResponseDepth = 0; |
1272 |
|
} |
1273 |
|
VelocityResponseCurveScaling = _3ewa->ReadUint8(); |
1274 |
|
AttenuationControllerThreshold = _3ewa->ReadInt8(); |
1275 |
|
_3ewa->ReadInt32(); // unknown |
1276 |
|
SampleStartOffset = (uint16_t) _3ewa->ReadInt16(); |
1277 |
|
_3ewa->ReadInt16(); // unknown |
1278 |
|
uint8_t pitchTrackDimensionBypass = _3ewa->ReadInt8(); |
1279 |
|
PitchTrack = GIG_PITCH_TRACK_EXTRACT(pitchTrackDimensionBypass); |
1280 |
|
if (pitchTrackDimensionBypass & 0x10) DimensionBypass = dim_bypass_ctrl_94; |
1281 |
|
else if (pitchTrackDimensionBypass & 0x20) DimensionBypass = dim_bypass_ctrl_95; |
1282 |
|
else DimensionBypass = dim_bypass_ctrl_none; |
1283 |
|
uint8_t pan = _3ewa->ReadUint8(); |
1284 |
|
Pan = (pan < 64) ? pan : -((int)pan - 63); // signed 7 bit -> signed 8 bit |
1285 |
|
SelfMask = _3ewa->ReadInt8() & 0x01; |
1286 |
|
_3ewa->ReadInt8(); // unknown |
1287 |
|
uint8_t lfo3ctrl = _3ewa->ReadUint8(); |
1288 |
|
LFO3Controller = static_cast<lfo3_ctrl_t>(lfo3ctrl & 0x07); // lower 3 bits |
1289 |
|
LFO3Sync = lfo3ctrl & 0x20; // bit 5 |
1290 |
|
InvertAttenuationController = lfo3ctrl & 0x80; // bit 7 |
1291 |
|
AttenuationController = DecodeLeverageController(static_cast<_lev_ctrl_t>(_3ewa->ReadUint8())); |
1292 |
|
uint8_t lfo2ctrl = _3ewa->ReadUint8(); |
1293 |
|
LFO2Controller = static_cast<lfo2_ctrl_t>(lfo2ctrl & 0x07); // lower 3 bits |
1294 |
|
LFO2FlipPhase = lfo2ctrl & 0x80; // bit 7 |
1295 |
|
LFO2Sync = lfo2ctrl & 0x20; // bit 5 |
1296 |
|
bool extResonanceCtrl = lfo2ctrl & 0x40; // bit 6 |
1297 |
|
uint8_t lfo1ctrl = _3ewa->ReadUint8(); |
1298 |
|
LFO1Controller = static_cast<lfo1_ctrl_t>(lfo1ctrl & 0x07); // lower 3 bits |
1299 |
|
LFO1FlipPhase = lfo1ctrl & 0x80; // bit 7 |
1300 |
|
LFO1Sync = lfo1ctrl & 0x40; // bit 6 |
1301 |
|
VCFResonanceController = (extResonanceCtrl) ? static_cast<vcf_res_ctrl_t>(GIG_VCF_RESONANCE_CTRL_EXTRACT(lfo1ctrl)) |
1302 |
|
: vcf_res_ctrl_none; |
1303 |
|
uint16_t eg3depth = _3ewa->ReadUint16(); |
1304 |
|
EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */ |
1305 |
|
: (-1) * (int16_t) ((eg3depth ^ 0xffff) + 1); /* binary complementary for negatives */ |
1306 |
|
_3ewa->ReadInt16(); // unknown |
1307 |
|
ChannelOffset = _3ewa->ReadUint8() / 4; |
1308 |
|
uint8_t regoptions = _3ewa->ReadUint8(); |
1309 |
|
MSDecode = regoptions & 0x01; // bit 0 |
1310 |
|
SustainDefeat = regoptions & 0x02; // bit 1 |
1311 |
|
_3ewa->ReadInt16(); // unknown |
1312 |
|
VelocityUpperLimit = _3ewa->ReadInt8(); |
1313 |
|
_3ewa->ReadInt8(); // unknown |
1314 |
|
_3ewa->ReadInt16(); // unknown |
1315 |
|
ReleaseTriggerDecay = _3ewa->ReadUint8(); // release trigger decay |
1316 |
|
_3ewa->ReadInt8(); // unknown |
1317 |
|
_3ewa->ReadInt8(); // unknown |
1318 |
|
EG1Hold = _3ewa->ReadUint8() & 0x80; // bit 7 |
1319 |
|
uint8_t vcfcutoff = _3ewa->ReadUint8(); |
1320 |
|
VCFEnabled = vcfcutoff & 0x80; // bit 7 |
1321 |
|
VCFCutoff = vcfcutoff & 0x7f; // lower 7 bits |
1322 |
|
VCFCutoffController = static_cast<vcf_cutoff_ctrl_t>(_3ewa->ReadUint8()); |
1323 |
|
uint8_t vcfvelscale = _3ewa->ReadUint8(); |
1324 |
|
VCFCutoffControllerInvert = vcfvelscale & 0x80; // bit 7 |
1325 |
|
VCFVelocityScale = vcfvelscale & 0x7f; // lower 7 bits |
1326 |
|
_3ewa->ReadInt8(); // unknown |
1327 |
|
uint8_t vcfresonance = _3ewa->ReadUint8(); |
1328 |
|
VCFResonance = vcfresonance & 0x7f; // lower 7 bits |
1329 |
|
VCFResonanceDynamic = !(vcfresonance & 0x80); // bit 7 |
1330 |
|
uint8_t vcfbreakpoint = _3ewa->ReadUint8(); |
1331 |
|
VCFKeyboardTracking = vcfbreakpoint & 0x80; // bit 7 |
1332 |
|
VCFKeyboardTrackingBreakpoint = vcfbreakpoint & 0x7f; // lower 7 bits |
1333 |
|
uint8_t vcfvelocity = _3ewa->ReadUint8(); |
1334 |
|
VCFVelocityDynamicRange = vcfvelocity % 5; |
1335 |
|
VCFVelocityCurve = static_cast<curve_type_t>(vcfvelocity / 5); |
1336 |
|
VCFType = static_cast<vcf_type_t>(_3ewa->ReadUint8()); |
1337 |
|
if (VCFType == vcf_type_lowpass) { |
1338 |
|
if (lfo3ctrl & 0x40) // bit 6 |
1339 |
|
VCFType = vcf_type_lowpassturbo; |
1340 |
|
} |
1341 |
|
} else { // '3ewa' chunk does not exist yet |
1342 |
|
// use default values |
1343 |
|
LFO3Frequency = 1.0; |
1344 |
|
EG3Attack = 0.0; |
1345 |
|
LFO1InternalDepth = 0; |
1346 |
|
LFO3InternalDepth = 0; |
1347 |
|
LFO1ControlDepth = 0; |
1348 |
|
LFO3ControlDepth = 0; |
1349 |
|
EG1Attack = 0.0; |
1350 |
|
EG1Decay1 = 0.0; |
1351 |
|
EG1Sustain = 0; |
1352 |
|
EG1Release = 0.0; |
1353 |
|
EG1Controller.type = eg1_ctrl_t::type_none; |
1354 |
|
EG1Controller.controller_number = 0; |
1355 |
|
EG1ControllerInvert = false; |
1356 |
|
EG1ControllerAttackInfluence = 0; |
1357 |
|
EG1ControllerDecayInfluence = 0; |
1358 |
|
EG1ControllerReleaseInfluence = 0; |
1359 |
|
EG2Controller.type = eg2_ctrl_t::type_none; |
1360 |
|
EG2Controller.controller_number = 0; |
1361 |
|
EG2ControllerInvert = false; |
1362 |
|
EG2ControllerAttackInfluence = 0; |
1363 |
|
EG2ControllerDecayInfluence = 0; |
1364 |
|
EG2ControllerReleaseInfluence = 0; |
1365 |
|
LFO1Frequency = 1.0; |
1366 |
|
EG2Attack = 0.0; |
1367 |
|
EG2Decay1 = 0.0; |
1368 |
|
EG2Sustain = 0; |
1369 |
|
EG2Release = 0.0; |
1370 |
|
LFO2ControlDepth = 0; |
1371 |
|
LFO2Frequency = 1.0; |
1372 |
|
LFO2InternalDepth = 0; |
1373 |
|
EG1Decay2 = 0.0; |
1374 |
|
EG1InfiniteSustain = false; |
1375 |
|
EG1PreAttack = 1000; |
1376 |
|
EG2Decay2 = 0.0; |
1377 |
|
EG2InfiniteSustain = false; |
1378 |
|
EG2PreAttack = 1000; |
1379 |
|
VelocityResponseCurve = curve_type_nonlinear; |
1380 |
|
VelocityResponseDepth = 3; |
1381 |
|
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1382 |
|
ReleaseVelocityResponseDepth = 3; |
1383 |
|
VelocityResponseCurveScaling = 32; |
1384 |
|
AttenuationControllerThreshold = 0; |
1385 |
|
SampleStartOffset = 0; |
1386 |
|
PitchTrack = true; |
1387 |
|
DimensionBypass = dim_bypass_ctrl_none; |
1388 |
|
Pan = 0; |
1389 |
|
SelfMask = true; |
1390 |
|
LFO3Controller = lfo3_ctrl_modwheel; |
1391 |
|
LFO3Sync = false; |
1392 |
|
InvertAttenuationController = false; |
1393 |
|
AttenuationController.type = attenuation_ctrl_t::type_none; |
1394 |
|
AttenuationController.controller_number = 0; |
1395 |
|
LFO2Controller = lfo2_ctrl_internal; |
1396 |
|
LFO2FlipPhase = false; |
1397 |
|
LFO2Sync = false; |
1398 |
|
LFO1Controller = lfo1_ctrl_internal; |
1399 |
|
LFO1FlipPhase = false; |
1400 |
|
LFO1Sync = false; |
1401 |
|
VCFResonanceController = vcf_res_ctrl_none; |
1402 |
|
EG3Depth = 0; |
1403 |
|
ChannelOffset = 0; |
1404 |
|
MSDecode = false; |
1405 |
|
SustainDefeat = false; |
1406 |
|
VelocityUpperLimit = 0; |
1407 |
|
ReleaseTriggerDecay = 0; |
1408 |
|
EG1Hold = false; |
1409 |
|
VCFEnabled = false; |
1410 |
|
VCFCutoff = 0; |
1411 |
|
VCFCutoffController = vcf_cutoff_ctrl_none; |
1412 |
|
VCFCutoffControllerInvert = false; |
1413 |
|
VCFVelocityScale = 0; |
1414 |
|
VCFResonance = 0; |
1415 |
|
VCFResonanceDynamic = false; |
1416 |
|
VCFKeyboardTracking = false; |
1417 |
|
VCFKeyboardTrackingBreakpoint = 0; |
1418 |
|
VCFVelocityDynamicRange = 0x04; |
1419 |
|
VCFVelocityCurve = curve_type_linear; |
1420 |
|
VCFType = vcf_type_lowpass; |
1421 |
|
} |
1422 |
|
|
1423 |
|
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1424 |
|
VelocityResponseDepth, |
1425 |
|
VelocityResponseCurveScaling); |
1426 |
|
|
1427 |
|
curve_type_t curveType = ReleaseVelocityResponseCurve; |
1428 |
|
uint8_t depth = ReleaseVelocityResponseDepth; |
1429 |
|
|
1430 |
|
// this models a strange behaviour or bug in GSt: two of the |
1431 |
|
// velocity response curves for release time are not used even |
1432 |
|
// if specified, instead another curve is chosen. |
1433 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1434 |
|
(curveType == curve_type_special && depth == 4)) { |
1435 |
|
curveType = curve_type_nonlinear; |
1436 |
|
depth = 3; |
1437 |
|
} |
1438 |
|
pVelocityReleaseTable = GetVelocityTable(curveType, depth, 0); |
1439 |
|
|
1440 |
|
curveType = VCFVelocityCurve; |
1441 |
|
depth = VCFVelocityDynamicRange; |
1442 |
|
|
1443 |
|
// even stranger GSt: two of the velocity response curves for |
1444 |
|
// filter cutoff are not used, instead another special curve |
1445 |
|
// is chosen. This curve is not used anywhere else. |
1446 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1447 |
|
(curveType == curve_type_special && depth == 4)) { |
1448 |
|
curveType = curve_type_special; |
1449 |
|
depth = 5; |
1450 |
} |
} |
1451 |
else { |
pVelocityCutoffTable = GetVelocityTable(curveType, depth, |
1452 |
VelocityResponseCurve = curve_type_unknown; |
VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
1453 |
VelocityResponseDepth = 0; |
|
1454 |
|
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1455 |
|
VelocityTable = 0; |
1456 |
|
} |
1457 |
|
|
1458 |
|
/** |
1459 |
|
* Apply dimension region settings to the respective RIFF chunks. You |
1460 |
|
* have to call File::Save() to make changes persistent. |
1461 |
|
* |
1462 |
|
* Usually there is absolutely no need to call this method explicitly. |
1463 |
|
* It will be called automatically when File::Save() was called. |
1464 |
|
*/ |
1465 |
|
void DimensionRegion::UpdateChunks() { |
1466 |
|
// first update base class's chunk |
1467 |
|
DLS::Sampler::UpdateChunks(); |
1468 |
|
|
1469 |
|
// make sure '3ewa' chunk exists |
1470 |
|
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1471 |
|
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
1472 |
|
uint8_t* pData = (uint8_t*) _3ewa->LoadChunkData(); |
1473 |
|
|
1474 |
|
// update '3ewa' chunk with DimensionRegion's current settings |
1475 |
|
|
1476 |
|
const uint32_t unknown = _3ewa->GetSize(); // unknown, always chunk size ? |
1477 |
|
memcpy(&pData[0], &unknown, 4); |
1478 |
|
|
1479 |
|
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
1480 |
|
memcpy(&pData[4], &lfo3freq, 4); |
1481 |
|
|
1482 |
|
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
1483 |
|
memcpy(&pData[8], &eg3attack, 4); |
1484 |
|
|
1485 |
|
// next 2 bytes unknown |
1486 |
|
|
1487 |
|
memcpy(&pData[14], &LFO1InternalDepth, 2); |
1488 |
|
|
1489 |
|
// next 2 bytes unknown |
1490 |
|
|
1491 |
|
memcpy(&pData[18], &LFO3InternalDepth, 2); |
1492 |
|
|
1493 |
|
// next 2 bytes unknown |
1494 |
|
|
1495 |
|
memcpy(&pData[22], &LFO1ControlDepth, 2); |
1496 |
|
|
1497 |
|
// next 2 bytes unknown |
1498 |
|
|
1499 |
|
memcpy(&pData[26], &LFO3ControlDepth, 2); |
1500 |
|
|
1501 |
|
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
1502 |
|
memcpy(&pData[28], &eg1attack, 4); |
1503 |
|
|
1504 |
|
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
1505 |
|
memcpy(&pData[32], &eg1decay1, 4); |
1506 |
|
|
1507 |
|
// next 2 bytes unknown |
1508 |
|
|
1509 |
|
memcpy(&pData[38], &EG1Sustain, 2); |
1510 |
|
|
1511 |
|
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
1512 |
|
memcpy(&pData[40], &eg1release, 4); |
1513 |
|
|
1514 |
|
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
1515 |
|
memcpy(&pData[44], &eg1ctl, 1); |
1516 |
|
|
1517 |
|
const uint8_t eg1ctrloptions = |
1518 |
|
(EG1ControllerInvert) ? 0x01 : 0x00 | |
1519 |
|
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1520 |
|
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1521 |
|
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1522 |
|
memcpy(&pData[45], &eg1ctrloptions, 1); |
1523 |
|
|
1524 |
|
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
1525 |
|
memcpy(&pData[46], &eg2ctl, 1); |
1526 |
|
|
1527 |
|
const uint8_t eg2ctrloptions = |
1528 |
|
(EG2ControllerInvert) ? 0x01 : 0x00 | |
1529 |
|
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1530 |
|
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1531 |
|
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1532 |
|
memcpy(&pData[47], &eg2ctrloptions, 1); |
1533 |
|
|
1534 |
|
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
1535 |
|
memcpy(&pData[48], &lfo1freq, 4); |
1536 |
|
|
1537 |
|
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
1538 |
|
memcpy(&pData[52], &eg2attack, 4); |
1539 |
|
|
1540 |
|
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
1541 |
|
memcpy(&pData[56], &eg2decay1, 4); |
1542 |
|
|
1543 |
|
// next 2 bytes unknown |
1544 |
|
|
1545 |
|
memcpy(&pData[62], &EG2Sustain, 2); |
1546 |
|
|
1547 |
|
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
1548 |
|
memcpy(&pData[64], &eg2release, 4); |
1549 |
|
|
1550 |
|
// next 2 bytes unknown |
1551 |
|
|
1552 |
|
memcpy(&pData[70], &LFO2ControlDepth, 2); |
1553 |
|
|
1554 |
|
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
1555 |
|
memcpy(&pData[72], &lfo2freq, 4); |
1556 |
|
|
1557 |
|
// next 2 bytes unknown |
1558 |
|
|
1559 |
|
memcpy(&pData[78], &LFO2InternalDepth, 2); |
1560 |
|
|
1561 |
|
const int32_t eg1decay2 = (int32_t) (EG1InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG1Decay2); |
1562 |
|
memcpy(&pData[80], &eg1decay2, 4); |
1563 |
|
|
1564 |
|
// next 2 bytes unknown |
1565 |
|
|
1566 |
|
memcpy(&pData[86], &EG1PreAttack, 2); |
1567 |
|
|
1568 |
|
const int32_t eg2decay2 = (int32_t) (EG2InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG2Decay2); |
1569 |
|
memcpy(&pData[88], &eg2decay2, 4); |
1570 |
|
|
1571 |
|
// next 2 bytes unknown |
1572 |
|
|
1573 |
|
memcpy(&pData[94], &EG2PreAttack, 2); |
1574 |
|
|
1575 |
|
{ |
1576 |
|
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
1577 |
|
uint8_t velocityresponse = VelocityResponseDepth; |
1578 |
|
switch (VelocityResponseCurve) { |
1579 |
|
case curve_type_nonlinear: |
1580 |
|
break; |
1581 |
|
case curve_type_linear: |
1582 |
|
velocityresponse += 5; |
1583 |
|
break; |
1584 |
|
case curve_type_special: |
1585 |
|
velocityresponse += 10; |
1586 |
|
break; |
1587 |
|
case curve_type_unknown: |
1588 |
|
default: |
1589 |
|
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
1590 |
|
} |
1591 |
|
memcpy(&pData[96], &velocityresponse, 1); |
1592 |
} |
} |
1593 |
uint8_t releasevelocityresponse = _3ewa->ReadUint8(); |
|
1594 |
if (releasevelocityresponse < 5) { |
{ |
1595 |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
if (ReleaseVelocityResponseDepth > 4) throw Exception("ReleaseVelocityResponseDepth must be between 0 and 4"); |
1596 |
ReleaseVelocityResponseDepth = releasevelocityresponse; |
uint8_t releasevelocityresponse = ReleaseVelocityResponseDepth; |
1597 |
} |
switch (ReleaseVelocityResponseCurve) { |
1598 |
else if (releasevelocityresponse < 10) { |
case curve_type_nonlinear: |
1599 |
ReleaseVelocityResponseCurve = curve_type_linear; |
break; |
1600 |
ReleaseVelocityResponseDepth = releasevelocityresponse - 5; |
case curve_type_linear: |
1601 |
} |
releasevelocityresponse += 5; |
1602 |
else if (releasevelocityresponse < 15) { |
break; |
1603 |
ReleaseVelocityResponseCurve = curve_type_special; |
case curve_type_special: |
1604 |
ReleaseVelocityResponseDepth = releasevelocityresponse - 10; |
releasevelocityresponse += 10; |
1605 |
|
break; |
1606 |
|
case curve_type_unknown: |
1607 |
|
default: |
1608 |
|
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
1609 |
|
} |
1610 |
|
memcpy(&pData[97], &releasevelocityresponse, 1); |
1611 |
} |
} |
1612 |
else { |
|
1613 |
ReleaseVelocityResponseCurve = curve_type_unknown; |
memcpy(&pData[98], &VelocityResponseCurveScaling, 1); |
1614 |
ReleaseVelocityResponseDepth = 0; |
|
1615 |
|
memcpy(&pData[99], &AttenuationControllerThreshold, 1); |
1616 |
|
|
1617 |
|
// next 4 bytes unknown |
1618 |
|
|
1619 |
|
memcpy(&pData[104], &SampleStartOffset, 2); |
1620 |
|
|
1621 |
|
// next 2 bytes unknown |
1622 |
|
|
1623 |
|
{ |
1624 |
|
uint8_t pitchTrackDimensionBypass = GIG_PITCH_TRACK_ENCODE(PitchTrack); |
1625 |
|
switch (DimensionBypass) { |
1626 |
|
case dim_bypass_ctrl_94: |
1627 |
|
pitchTrackDimensionBypass |= 0x10; |
1628 |
|
break; |
1629 |
|
case dim_bypass_ctrl_95: |
1630 |
|
pitchTrackDimensionBypass |= 0x20; |
1631 |
|
break; |
1632 |
|
case dim_bypass_ctrl_none: |
1633 |
|
//FIXME: should we set anything here? |
1634 |
|
break; |
1635 |
|
default: |
1636 |
|
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
1637 |
|
} |
1638 |
|
memcpy(&pData[108], &pitchTrackDimensionBypass, 1); |
1639 |
} |
} |
1640 |
VelocityResponseCurveScaling = _3ewa->ReadUint8(); |
|
1641 |
AttenuationControllerThreshold = _3ewa->ReadInt8(); |
const uint8_t pan = (Pan >= 0) ? Pan : ((-Pan) + 63); // signed 8 bit -> signed 7 bit |
1642 |
_3ewa->ReadInt32(); // unknown |
memcpy(&pData[109], &pan, 1); |
1643 |
SampleStartOffset = (uint16_t) _3ewa->ReadInt16(); |
|
1644 |
_3ewa->ReadInt16(); // unknown |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
1645 |
uint8_t pitchTrackDimensionBypass = _3ewa->ReadInt8(); |
memcpy(&pData[110], &selfmask, 1); |
1646 |
PitchTrack = GIG_PITCH_TRACK_EXTRACT(pitchTrackDimensionBypass); |
|
1647 |
if (pitchTrackDimensionBypass & 0x10) DimensionBypass = dim_bypass_ctrl_94; |
// next byte unknown |
1648 |
else if (pitchTrackDimensionBypass & 0x20) DimensionBypass = dim_bypass_ctrl_95; |
|
1649 |
else DimensionBypass = dim_bypass_ctrl_none; |
{ |
1650 |
uint8_t pan = _3ewa->ReadUint8(); |
uint8_t lfo3ctrl = LFO3Controller & 0x07; // lower 3 bits |
1651 |
Pan = (pan < 64) ? pan : -((int)pan - 63); // signed 7 bit -> signed 8 bit |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
1652 |
SelfMask = _3ewa->ReadInt8() & 0x01; |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
1653 |
_3ewa->ReadInt8(); // unknown |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
1654 |
uint8_t lfo3ctrl = _3ewa->ReadUint8(); |
memcpy(&pData[112], &lfo3ctrl, 1); |
1655 |
LFO3Controller = static_cast<lfo3_ctrl_t>(lfo3ctrl & 0x07); // lower 3 bits |
} |
1656 |
LFO3Sync = lfo3ctrl & 0x20; // bit 5 |
|
1657 |
InvertAttenuationController = lfo3ctrl & 0x80; // bit 7 |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
1658 |
AttenuationController = DecodeLeverageController(static_cast<_lev_ctrl_t>(_3ewa->ReadUint8())); |
memcpy(&pData[113], &attenctl, 1); |
1659 |
uint8_t lfo2ctrl = _3ewa->ReadUint8(); |
|
1660 |
LFO2Controller = static_cast<lfo2_ctrl_t>(lfo2ctrl & 0x07); // lower 3 bits |
{ |
1661 |
LFO2FlipPhase = lfo2ctrl & 0x80; // bit 7 |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
1662 |
LFO2Sync = lfo2ctrl & 0x20; // bit 5 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
1663 |
bool extResonanceCtrl = lfo2ctrl & 0x40; // bit 6 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
1664 |
uint8_t lfo1ctrl = _3ewa->ReadUint8(); |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
1665 |
LFO1Controller = static_cast<lfo1_ctrl_t>(lfo1ctrl & 0x07); // lower 3 bits |
memcpy(&pData[114], &lfo2ctrl, 1); |
1666 |
LFO1FlipPhase = lfo1ctrl & 0x80; // bit 7 |
} |
1667 |
LFO1Sync = lfo1ctrl & 0x40; // bit 6 |
|
1668 |
VCFResonanceController = (extResonanceCtrl) ? static_cast<vcf_res_ctrl_t>(GIG_VCF_RESONANCE_CTRL_EXTRACT(lfo1ctrl)) |
{ |
1669 |
: vcf_res_ctrl_none; |
uint8_t lfo1ctrl = LFO1Controller & 0x07; // lower 3 bits |
1670 |
uint16_t eg3depth = _3ewa->ReadUint16(); |
if (LFO1FlipPhase) lfo1ctrl |= 0x80; // bit 7 |
1671 |
EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */ |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
1672 |
: (-1) * (int16_t) ((eg3depth ^ 0xffff) + 1); /* binary complementary for negatives */ |
if (VCFResonanceController != vcf_res_ctrl_none) |
1673 |
_3ewa->ReadInt16(); // unknown |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
1674 |
ChannelOffset = _3ewa->ReadUint8() / 4; |
memcpy(&pData[115], &lfo1ctrl, 1); |
1675 |
uint8_t regoptions = _3ewa->ReadUint8(); |
} |
1676 |
MSDecode = regoptions & 0x01; // bit 0 |
|
1677 |
SustainDefeat = regoptions & 0x02; // bit 1 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1678 |
_3ewa->ReadInt16(); // unknown |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1679 |
VelocityUpperLimit = _3ewa->ReadInt8(); |
memcpy(&pData[116], &eg3depth, 1); |
1680 |
_3ewa->ReadInt8(); // unknown |
|
1681 |
_3ewa->ReadInt16(); // unknown |
// next 2 bytes unknown |
1682 |
ReleaseTriggerDecay = _3ewa->ReadUint8(); // release trigger decay |
|
1683 |
_3ewa->ReadInt8(); // unknown |
const uint8_t channeloffset = ChannelOffset * 4; |
1684 |
_3ewa->ReadInt8(); // unknown |
memcpy(&pData[120], &channeloffset, 1); |
1685 |
EG1Hold = _3ewa->ReadUint8() & 0x80; // bit 7 |
|
1686 |
uint8_t vcfcutoff = _3ewa->ReadUint8(); |
{ |
1687 |
VCFEnabled = vcfcutoff & 0x80; // bit 7 |
uint8_t regoptions = 0; |
1688 |
VCFCutoff = vcfcutoff & 0x7f; // lower 7 bits |
if (MSDecode) regoptions |= 0x01; // bit 0 |
1689 |
VCFCutoffController = static_cast<vcf_cutoff_ctrl_t>(_3ewa->ReadUint8()); |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
1690 |
VCFVelocityScale = _3ewa->ReadUint8(); |
memcpy(&pData[121], ®options, 1); |
|
_3ewa->ReadInt8(); // unknown |
|
|
uint8_t vcfresonance = _3ewa->ReadUint8(); |
|
|
VCFResonance = vcfresonance & 0x7f; // lower 7 bits |
|
|
VCFResonanceDynamic = !(vcfresonance & 0x80); // bit 7 |
|
|
uint8_t vcfbreakpoint = _3ewa->ReadUint8(); |
|
|
VCFKeyboardTracking = vcfbreakpoint & 0x80; // bit 7 |
|
|
VCFKeyboardTrackingBreakpoint = vcfbreakpoint & 0x7f; // lower 7 bits |
|
|
uint8_t vcfvelocity = _3ewa->ReadUint8(); |
|
|
VCFVelocityDynamicRange = vcfvelocity % 5; |
|
|
VCFVelocityCurve = static_cast<curve_type_t>(vcfvelocity / 5); |
|
|
VCFType = static_cast<vcf_type_t>(_3ewa->ReadUint8()); |
|
|
if (VCFType == vcf_type_lowpass) { |
|
|
if (lfo3ctrl & 0x40) // bit 6 |
|
|
VCFType = vcf_type_lowpassturbo; |
|
1691 |
} |
} |
1692 |
|
|
1693 |
// get the corresponding velocity->volume table from the table map or create & calculate that table if it doesn't exist yet |
// next 2 bytes unknown |
1694 |
uint32_t tableKey = (VelocityResponseCurve<<16) | (VelocityResponseDepth<<8) | VelocityResponseCurveScaling; |
|
1695 |
|
memcpy(&pData[124], &VelocityUpperLimit, 1); |
1696 |
|
|
1697 |
|
// next 3 bytes unknown |
1698 |
|
|
1699 |
|
memcpy(&pData[128], &ReleaseTriggerDecay, 1); |
1700 |
|
|
1701 |
|
// next 2 bytes unknown |
1702 |
|
|
1703 |
|
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1704 |
|
memcpy(&pData[131], &eg1hold, 1); |
1705 |
|
|
1706 |
|
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
1707 |
|
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1708 |
|
memcpy(&pData[132], &vcfcutoff, 1); |
1709 |
|
|
1710 |
|
memcpy(&pData[133], &VCFCutoffController, 1); |
1711 |
|
|
1712 |
|
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
1713 |
|
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1714 |
|
memcpy(&pData[134], &vcfvelscale, 1); |
1715 |
|
|
1716 |
|
// next byte unknown |
1717 |
|
|
1718 |
|
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
1719 |
|
(VCFResonance & 0x7f); /* lower 7 bits */ |
1720 |
|
memcpy(&pData[136], &vcfresonance, 1); |
1721 |
|
|
1722 |
|
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
1723 |
|
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1724 |
|
memcpy(&pData[137], &vcfbreakpoint, 1); |
1725 |
|
|
1726 |
|
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
1727 |
|
VCFVelocityCurve * 5; |
1728 |
|
memcpy(&pData[138], &vcfvelocity, 1); |
1729 |
|
|
1730 |
|
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
1731 |
|
memcpy(&pData[139], &vcftype, 1); |
1732 |
|
} |
1733 |
|
|
1734 |
|
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
1735 |
|
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
1736 |
|
{ |
1737 |
|
double* table; |
1738 |
|
uint32_t tableKey = (curveType<<16) | (depth<<8) | scaling; |
1739 |
if (pVelocityTables->count(tableKey)) { // if key exists |
if (pVelocityTables->count(tableKey)) { // if key exists |
1740 |
pVelocityAttenuationTable = (*pVelocityTables)[tableKey]; |
table = (*pVelocityTables)[tableKey]; |
1741 |
} |
} |
1742 |
else { |
else { |
1743 |
pVelocityAttenuationTable = |
table = CreateVelocityTable(curveType, depth, scaling); |
1744 |
CreateVelocityTable(VelocityResponseCurve, |
(*pVelocityTables)[tableKey] = table; // put the new table into the tables map |
|
VelocityResponseDepth, |
|
|
VelocityResponseCurveScaling); |
|
|
(*pVelocityTables)[tableKey] = pVelocityAttenuationTable; // put the new table into the tables map |
|
1745 |
} |
} |
1746 |
|
return table; |
|
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
|
1747 |
} |
} |
1748 |
|
|
1749 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
1864 |
return decodedcontroller; |
return decodedcontroller; |
1865 |
} |
} |
1866 |
|
|
1867 |
|
DimensionRegion::_lev_ctrl_t DimensionRegion::EncodeLeverageController(leverage_ctrl_t DecodedController) { |
1868 |
|
_lev_ctrl_t encodedcontroller; |
1869 |
|
switch (DecodedController.type) { |
1870 |
|
// special controller |
1871 |
|
case leverage_ctrl_t::type_none: |
1872 |
|
encodedcontroller = _lev_ctrl_none; |
1873 |
|
break; |
1874 |
|
case leverage_ctrl_t::type_velocity: |
1875 |
|
encodedcontroller = _lev_ctrl_velocity; |
1876 |
|
break; |
1877 |
|
case leverage_ctrl_t::type_channelaftertouch: |
1878 |
|
encodedcontroller = _lev_ctrl_channelaftertouch; |
1879 |
|
break; |
1880 |
|
|
1881 |
|
// ordinary MIDI control change controller |
1882 |
|
case leverage_ctrl_t::type_controlchange: |
1883 |
|
switch (DecodedController.controller_number) { |
1884 |
|
case 1: |
1885 |
|
encodedcontroller = _lev_ctrl_modwheel; |
1886 |
|
break; |
1887 |
|
case 2: |
1888 |
|
encodedcontroller = _lev_ctrl_breath; |
1889 |
|
break; |
1890 |
|
case 4: |
1891 |
|
encodedcontroller = _lev_ctrl_foot; |
1892 |
|
break; |
1893 |
|
case 12: |
1894 |
|
encodedcontroller = _lev_ctrl_effect1; |
1895 |
|
break; |
1896 |
|
case 13: |
1897 |
|
encodedcontroller = _lev_ctrl_effect2; |
1898 |
|
break; |
1899 |
|
case 16: |
1900 |
|
encodedcontroller = _lev_ctrl_genpurpose1; |
1901 |
|
break; |
1902 |
|
case 17: |
1903 |
|
encodedcontroller = _lev_ctrl_genpurpose2; |
1904 |
|
break; |
1905 |
|
case 18: |
1906 |
|
encodedcontroller = _lev_ctrl_genpurpose3; |
1907 |
|
break; |
1908 |
|
case 19: |
1909 |
|
encodedcontroller = _lev_ctrl_genpurpose4; |
1910 |
|
break; |
1911 |
|
case 5: |
1912 |
|
encodedcontroller = _lev_ctrl_portamentotime; |
1913 |
|
break; |
1914 |
|
case 64: |
1915 |
|
encodedcontroller = _lev_ctrl_sustainpedal; |
1916 |
|
break; |
1917 |
|
case 65: |
1918 |
|
encodedcontroller = _lev_ctrl_portamento; |
1919 |
|
break; |
1920 |
|
case 66: |
1921 |
|
encodedcontroller = _lev_ctrl_sostenutopedal; |
1922 |
|
break; |
1923 |
|
case 67: |
1924 |
|
encodedcontroller = _lev_ctrl_softpedal; |
1925 |
|
break; |
1926 |
|
case 80: |
1927 |
|
encodedcontroller = _lev_ctrl_genpurpose5; |
1928 |
|
break; |
1929 |
|
case 81: |
1930 |
|
encodedcontroller = _lev_ctrl_genpurpose6; |
1931 |
|
break; |
1932 |
|
case 82: |
1933 |
|
encodedcontroller = _lev_ctrl_genpurpose7; |
1934 |
|
break; |
1935 |
|
case 83: |
1936 |
|
encodedcontroller = _lev_ctrl_genpurpose8; |
1937 |
|
break; |
1938 |
|
case 91: |
1939 |
|
encodedcontroller = _lev_ctrl_effect1depth; |
1940 |
|
break; |
1941 |
|
case 92: |
1942 |
|
encodedcontroller = _lev_ctrl_effect2depth; |
1943 |
|
break; |
1944 |
|
case 93: |
1945 |
|
encodedcontroller = _lev_ctrl_effect3depth; |
1946 |
|
break; |
1947 |
|
case 94: |
1948 |
|
encodedcontroller = _lev_ctrl_effect4depth; |
1949 |
|
break; |
1950 |
|
case 95: |
1951 |
|
encodedcontroller = _lev_ctrl_effect5depth; |
1952 |
|
break; |
1953 |
|
default: |
1954 |
|
throw gig::Exception("leverage controller number is not supported by the gig format"); |
1955 |
|
} |
1956 |
|
default: |
1957 |
|
throw gig::Exception("Unknown leverage controller type."); |
1958 |
|
} |
1959 |
|
return encodedcontroller; |
1960 |
|
} |
1961 |
|
|
1962 |
DimensionRegion::~DimensionRegion() { |
DimensionRegion::~DimensionRegion() { |
1963 |
Instances--; |
Instances--; |
1964 |
if (!Instances) { |
if (!Instances) { |
1972 |
delete pVelocityTables; |
delete pVelocityTables; |
1973 |
pVelocityTables = NULL; |
pVelocityTables = NULL; |
1974 |
} |
} |
1975 |
|
if (VelocityTable) delete[] VelocityTable; |
1976 |
} |
} |
1977 |
|
|
1978 |
/** |
/** |
1990 |
return pVelocityAttenuationTable[MIDIKeyVelocity]; |
return pVelocityAttenuationTable[MIDIKeyVelocity]; |
1991 |
} |
} |
1992 |
|
|
1993 |
|
double DimensionRegion::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
1994 |
|
return pVelocityReleaseTable[MIDIKeyVelocity]; |
1995 |
|
} |
1996 |
|
|
1997 |
|
double DimensionRegion::GetVelocityCutoff(uint8_t MIDIKeyVelocity) { |
1998 |
|
return pVelocityCutoffTable[MIDIKeyVelocity]; |
1999 |
|
} |
2000 |
|
|
2001 |
double* DimensionRegion::CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) { |
double* DimensionRegion::CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) { |
2002 |
|
|
2003 |
// line-segment approximations of the 15 velocity curves |
// line-segment approximations of the 15 velocity curves |
2031 |
const int spe4[] = { 1, 4, 23, 5, 49, 13, 57, 17, 92, 57, 122, 127, |
const int spe4[] = { 1, 4, 23, 5, 49, 13, 57, 17, 92, 57, 122, 127, |
2032 |
127, 127 }; |
127, 127 }; |
2033 |
|
|
2034 |
|
// this is only used by the VCF velocity curve |
2035 |
|
const int spe5[] = { 1, 2, 30, 5, 60, 19, 77, 70, 83, 85, 88, 106, |
2036 |
|
91, 127, 127, 127 }; |
2037 |
|
|
2038 |
const int* const curves[] = { non0, non1, non2, non3, non4, |
const int* const curves[] = { non0, non1, non2, non3, non4, |
2039 |
lin0, lin1, lin2, lin3, lin4, |
lin0, lin1, lin2, lin3, lin4, |
2040 |
spe0, spe1, spe2, spe3, spe4 }; |
spe0, spe1, spe2, spe3, spe4, spe5 }; |
2041 |
|
|
2042 |
double* const table = new double[128]; |
double* const table = new double[128]; |
2043 |
|
|
2070 |
// * |
// * |
2071 |
|
|
2072 |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : DLS::Region((DLS::Instrument*) pInstrument, rgnList) { |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : DLS::Region((DLS::Instrument*) pInstrument, rgnList) { |
2073 |
|
pInfo->UseFixedLengthStrings = true; |
2074 |
|
|
2075 |
// Initialization |
// Initialization |
2076 |
Dimensions = 0; |
Dimensions = 0; |
2077 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2091 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
2092 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
2093 |
uint8_t bits = _3lnk->ReadUint8(); |
uint8_t bits = _3lnk->ReadUint8(); |
2094 |
|
_3lnk->ReadUint8(); // probably the position of the dimension |
2095 |
|
_3lnk->ReadUint8(); // unknown |
2096 |
|
uint8_t zones = _3lnk->ReadUint8(); // new for v3: number of zones doesn't have to be == pow(2,bits) |
2097 |
if (dimension == dimension_none) { // inactive dimension |
if (dimension == dimension_none) { // inactive dimension |
2098 |
pDimensionDefinitions[i].dimension = dimension_none; |
pDimensionDefinitions[i].dimension = dimension_none; |
2099 |
pDimensionDefinitions[i].bits = 0; |
pDimensionDefinitions[i].bits = 0; |
2100 |
pDimensionDefinitions[i].zones = 0; |
pDimensionDefinitions[i].zones = 0; |
2101 |
pDimensionDefinitions[i].split_type = split_type_bit; |
pDimensionDefinitions[i].split_type = split_type_bit; |
|
pDimensionDefinitions[i].ranges = NULL; |
|
2102 |
pDimensionDefinitions[i].zone_size = 0; |
pDimensionDefinitions[i].zone_size = 0; |
2103 |
} |
} |
2104 |
else { // active dimension |
else { // active dimension |
2105 |
pDimensionDefinitions[i].dimension = dimension; |
pDimensionDefinitions[i].dimension = dimension; |
2106 |
pDimensionDefinitions[i].bits = bits; |
pDimensionDefinitions[i].bits = bits; |
2107 |
pDimensionDefinitions[i].zones = 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
2108 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
2109 |
dimension == dimension_samplechannel || |
dimension == dimension_samplechannel || |
2110 |
dimension == dimension_releasetrigger || |
dimension == dimension_releasetrigger || |
2111 |
|
dimension == dimension_keyboard || |
2112 |
dimension == dimension_roundrobin || |
dimension == dimension_roundrobin || |
2113 |
dimension == dimension_random) ? split_type_bit |
dimension == dimension_random) ? split_type_bit |
2114 |
: split_type_normal; |
: split_type_normal; |
|
pDimensionDefinitions[i].ranges = NULL; // it's not possible to check velocity dimensions for custom defined ranges at this point |
|
2115 |
pDimensionDefinitions[i].zone_size = |
pDimensionDefinitions[i].zone_size = |
2116 |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128 / pDimensionDefinitions[i].zones |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128.0 / pDimensionDefinitions[i].zones |
2117 |
: 0; |
: 0; |
2118 |
Dimensions++; |
Dimensions++; |
2119 |
|
|
2120 |
// if this is a layer dimension, remember the amount of layers |
// if this is a layer dimension, remember the amount of layers |
2121 |
if (dimension == dimension_layer) Layers = pDimensionDefinitions[i].zones; |
if (dimension == dimension_layer) Layers = pDimensionDefinitions[i].zones; |
2122 |
} |
} |
2123 |
_3lnk->SetPos(6, RIFF::stream_curpos); // jump forward to next dimension definition |
_3lnk->SetPos(3, RIFF::stream_curpos); // jump forward to next dimension definition |
2124 |
} |
} |
2125 |
|
for (int i = dimensionBits ; i < 8 ; i++) pDimensionDefinitions[i].bits = 0; |
2126 |
|
|
2127 |
// check velocity dimension (if there is one) for custom defined zone ranges |
// if there's a velocity dimension and custom velocity zone splits are used, |
2128 |
for (uint i = 0; i < Dimensions; i++) { |
// update the VelocityTables in the dimension regions |
2129 |
dimension_def_t* pDimDef = pDimensionDefinitions + i; |
UpdateVelocityTable(); |
|
if (pDimDef->dimension == dimension_velocity) { |
|
|
if (pDimensionRegions[0]->VelocityUpperLimit == 0) { |
|
|
// no custom defined ranges |
|
|
pDimDef->split_type = split_type_normal; |
|
|
pDimDef->ranges = NULL; |
|
|
} |
|
|
else { // custom defined ranges |
|
|
pDimDef->split_type = split_type_customvelocity; |
|
|
pDimDef->ranges = new range_t[pDimDef->zones]; |
|
|
uint8_t bits[8] = { 0 }; |
|
|
int previousUpperLimit = -1; |
|
|
for (int velocityZone = 0; velocityZone < pDimDef->zones; velocityZone++) { |
|
|
bits[i] = velocityZone; |
|
|
DimensionRegion* pDimRegion = GetDimensionRegionByBit(bits); |
|
|
|
|
|
pDimDef->ranges[velocityZone].low = previousUpperLimit + 1; |
|
|
pDimDef->ranges[velocityZone].high = pDimRegion->VelocityUpperLimit; |
|
|
previousUpperLimit = pDimDef->ranges[velocityZone].high; |
|
|
// fill velocity table |
|
|
for (int i = pDimDef->ranges[velocityZone].low; i <= pDimDef->ranges[velocityZone].high; i++) { |
|
|
VelocityTable[i] = velocityZone; |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
2130 |
|
|
2131 |
// jump to start of the wave pool indices (if not already there) |
// jump to start of the wave pool indices (if not already there) |
|
File* file = (File*) GetParent()->GetParent(); |
|
2132 |
if (file->pVersion && file->pVersion->major == 3) |
if (file->pVersion && file->pVersion->major == 3) |
2133 |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
2134 |
else |
else |
2137 |
// load sample references |
// load sample references |
2138 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
2139 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2140 |
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2141 |
|
} |
2142 |
|
GetSample(); // load global region sample reference |
2143 |
|
} |
2144 |
|
|
2145 |
|
// make sure there is at least one dimension region |
2146 |
|
if (!DimensionRegions) { |
2147 |
|
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
2148 |
|
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
2149 |
|
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
2150 |
|
pDimensionRegions[0] = new DimensionRegion(_3ewl); |
2151 |
|
DimensionRegions = 1; |
2152 |
|
} |
2153 |
|
} |
2154 |
|
|
2155 |
|
/** |
2156 |
|
* Apply Region settings and all its DimensionRegions to the respective |
2157 |
|
* RIFF chunks. You have to call File::Save() to make changes persistent. |
2158 |
|
* |
2159 |
|
* Usually there is absolutely no need to call this method explicitly. |
2160 |
|
* It will be called automatically when File::Save() was called. |
2161 |
|
* |
2162 |
|
* @throws gig::Exception if samples cannot be dereferenced |
2163 |
|
*/ |
2164 |
|
void Region::UpdateChunks() { |
2165 |
|
// first update base class's chunks |
2166 |
|
DLS::Region::UpdateChunks(); |
2167 |
|
|
2168 |
|
// update dimension region's chunks |
2169 |
|
for (int i = 0; i < DimensionRegions; i++) { |
2170 |
|
pDimensionRegions[i]->UpdateChunks(); |
2171 |
|
} |
2172 |
|
|
2173 |
|
File* pFile = (File*) GetParent()->GetParent(); |
2174 |
|
const int iMaxDimensions = (pFile->pVersion && pFile->pVersion->major == 3) ? 8 : 5; |
2175 |
|
const int iMaxDimensionRegions = (pFile->pVersion && pFile->pVersion->major == 3) ? 256 : 32; |
2176 |
|
|
2177 |
|
// make sure '3lnk' chunk exists |
2178 |
|
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
2179 |
|
if (!_3lnk) { |
2180 |
|
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
2181 |
|
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2182 |
|
} |
2183 |
|
|
2184 |
|
// update dimension definitions in '3lnk' chunk |
2185 |
|
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2186 |
|
memcpy(&pData[0], &DimensionRegions, 4); |
2187 |
|
for (int i = 0; i < iMaxDimensions; i++) { |
2188 |
|
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2189 |
|
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2190 |
|
// next 2 bytes unknown |
2191 |
|
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2192 |
|
// next 3 bytes unknown |
2193 |
|
} |
2194 |
|
|
2195 |
|
// update wave pool table in '3lnk' chunk |
2196 |
|
const int iWavePoolOffset = (pFile->pVersion && pFile->pVersion->major == 3) ? 68 : 44; |
2197 |
|
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
2198 |
|
int iWaveIndex = -1; |
2199 |
|
if (i < DimensionRegions) { |
2200 |
|
if (!pFile->pSamples || !pFile->pSamples->size()) throw gig::Exception("Could not update gig::Region, there are no samples"); |
2201 |
|
File::SampleList::iterator iter = pFile->pSamples->begin(); |
2202 |
|
File::SampleList::iterator end = pFile->pSamples->end(); |
2203 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
2204 |
|
if (*iter == pDimensionRegions[i]->pSample) { |
2205 |
|
iWaveIndex = index; |
2206 |
|
break; |
2207 |
|
} |
2208 |
|
} |
2209 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
2210 |
} |
} |
2211 |
|
memcpy(&pData[iWavePoolOffset + i * 4], &iWaveIndex, 4); |
2212 |
} |
} |
|
else throw gig::Exception("Mandatory <3lnk> chunk not found."); |
|
2213 |
} |
} |
2214 |
|
|
2215 |
void Region::LoadDimensionRegions(RIFF::List* rgn) { |
void Region::LoadDimensionRegions(RIFF::List* rgn) { |
2228 |
} |
} |
2229 |
} |
} |
2230 |
|
|
2231 |
Region::~Region() { |
void Region::UpdateVelocityTable() { |
2232 |
for (uint i = 0; i < Dimensions; i++) { |
// get velocity dimension's index |
2233 |
if (pDimensionDefinitions[i].ranges) delete[] pDimensionDefinitions[i].ranges; |
int veldim = -1; |
2234 |
|
for (int i = 0 ; i < Dimensions ; i++) { |
2235 |
|
if (pDimensionDefinitions[i].dimension == gig::dimension_velocity) { |
2236 |
|
veldim = i; |
2237 |
|
break; |
2238 |
|
} |
2239 |
|
} |
2240 |
|
if (veldim == -1) return; |
2241 |
|
|
2242 |
|
int step = 1; |
2243 |
|
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
2244 |
|
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
2245 |
|
int end = step * pDimensionDefinitions[veldim].zones; |
2246 |
|
|
2247 |
|
// loop through all dimension regions for all dimensions except the velocity dimension |
2248 |
|
int dim[8] = { 0 }; |
2249 |
|
for (int i = 0 ; i < DimensionRegions ; i++) { |
2250 |
|
|
2251 |
|
if (pDimensionRegions[i]->VelocityUpperLimit) { |
2252 |
|
// create the velocity table |
2253 |
|
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
2254 |
|
if (!table) { |
2255 |
|
table = new uint8_t[128]; |
2256 |
|
pDimensionRegions[i]->VelocityTable = table; |
2257 |
|
} |
2258 |
|
int tableidx = 0; |
2259 |
|
int velocityZone = 0; |
2260 |
|
for (int k = i ; k < end ; k += step) { |
2261 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2262 |
|
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
2263 |
|
velocityZone++; |
2264 |
|
} |
2265 |
|
} else { |
2266 |
|
if (pDimensionRegions[i]->VelocityTable) { |
2267 |
|
delete[] pDimensionRegions[i]->VelocityTable; |
2268 |
|
pDimensionRegions[i]->VelocityTable = 0; |
2269 |
|
} |
2270 |
|
} |
2271 |
|
|
2272 |
|
int j; |
2273 |
|
int shift = 0; |
2274 |
|
for (j = 0 ; j < Dimensions ; j++) { |
2275 |
|
if (j == veldim) i += skipveldim; // skip velocity dimension |
2276 |
|
else { |
2277 |
|
dim[j]++; |
2278 |
|
if (dim[j] < pDimensionDefinitions[j].zones) break; |
2279 |
|
else { |
2280 |
|
// skip unused dimension regions |
2281 |
|
dim[j] = 0; |
2282 |
|
i += ((1 << pDimensionDefinitions[j].bits) - |
2283 |
|
pDimensionDefinitions[j].zones) << shift; |
2284 |
|
} |
2285 |
|
} |
2286 |
|
shift += pDimensionDefinitions[j].bits; |
2287 |
|
} |
2288 |
|
if (j == Dimensions) break; |
2289 |
|
} |
2290 |
|
} |
2291 |
|
|
2292 |
|
/** @brief Einstein would have dreamed of it - create a new dimension. |
2293 |
|
* |
2294 |
|
* Creates a new dimension with the dimension definition given by |
2295 |
|
* \a pDimDef. The appropriate amount of DimensionRegions will be created. |
2296 |
|
* There is a hard limit of dimensions and total amount of "bits" all |
2297 |
|
* dimensions can have. This limit is dependant to what gig file format |
2298 |
|
* version this file refers to. The gig v2 (and lower) format has a |
2299 |
|
* dimension limit and total amount of bits limit of 5, whereas the gig v3 |
2300 |
|
* format has a limit of 8. |
2301 |
|
* |
2302 |
|
* @param pDimDef - defintion of the new dimension |
2303 |
|
* @throws gig::Exception if dimension of the same type exists already |
2304 |
|
* @throws gig::Exception if amount of dimensions or total amount of |
2305 |
|
* dimension bits limit is violated |
2306 |
|
*/ |
2307 |
|
void Region::AddDimension(dimension_def_t* pDimDef) { |
2308 |
|
// check if max. amount of dimensions reached |
2309 |
|
File* file = (File*) GetParent()->GetParent(); |
2310 |
|
const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5; |
2311 |
|
if (Dimensions >= iMaxDimensions) |
2312 |
|
throw gig::Exception("Could not add new dimension, max. amount of " + ToString(iMaxDimensions) + " dimensions already reached"); |
2313 |
|
// check if max. amount of dimension bits reached |
2314 |
|
int iCurrentBits = 0; |
2315 |
|
for (int i = 0; i < Dimensions; i++) |
2316 |
|
iCurrentBits += pDimensionDefinitions[i].bits; |
2317 |
|
if (iCurrentBits >= iMaxDimensions) |
2318 |
|
throw gig::Exception("Could not add new dimension, max. amount of " + ToString(iMaxDimensions) + " dimension bits already reached"); |
2319 |
|
const int iNewBits = iCurrentBits + pDimDef->bits; |
2320 |
|
if (iNewBits > iMaxDimensions) |
2321 |
|
throw gig::Exception("Could not add new dimension, new dimension would exceed max. amount of " + ToString(iMaxDimensions) + " dimension bits"); |
2322 |
|
// check if there's already a dimensions of the same type |
2323 |
|
for (int i = 0; i < Dimensions; i++) |
2324 |
|
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
2325 |
|
throw gig::Exception("Could not add new dimension, there is already a dimension of the same type"); |
2326 |
|
|
2327 |
|
// assign definition of new dimension |
2328 |
|
pDimensionDefinitions[Dimensions] = *pDimDef; |
2329 |
|
|
2330 |
|
// create new dimension region(s) for this new dimension |
2331 |
|
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
2332 |
|
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
2333 |
|
RIFF::List* pNewDimRgnListChunk = pCkRegion->AddSubList(LIST_TYPE_3EWL); |
2334 |
|
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
2335 |
|
DimensionRegions++; |
2336 |
|
} |
2337 |
|
|
2338 |
|
Dimensions++; |
2339 |
|
|
2340 |
|
// if this is a layer dimension, update 'Layers' attribute |
2341 |
|
if (pDimDef->dimension == dimension_layer) Layers = pDimDef->zones; |
2342 |
|
|
2343 |
|
UpdateVelocityTable(); |
2344 |
|
} |
2345 |
|
|
2346 |
|
/** @brief Delete an existing dimension. |
2347 |
|
* |
2348 |
|
* Deletes the dimension given by \a pDimDef and deletes all respective |
2349 |
|
* dimension regions, that is all dimension regions where the dimension's |
2350 |
|
* bit(s) part is greater than 0. In case of a 'sustain pedal' dimension |
2351 |
|
* for example this would delete all dimension regions for the case(s) |
2352 |
|
* where the sustain pedal is pressed down. |
2353 |
|
* |
2354 |
|
* @param pDimDef - dimension to delete |
2355 |
|
* @throws gig::Exception if given dimension cannot be found |
2356 |
|
*/ |
2357 |
|
void Region::DeleteDimension(dimension_def_t* pDimDef) { |
2358 |
|
// get dimension's index |
2359 |
|
int iDimensionNr = -1; |
2360 |
|
for (int i = 0; i < Dimensions; i++) { |
2361 |
|
if (&pDimensionDefinitions[i] == pDimDef) { |
2362 |
|
iDimensionNr = i; |
2363 |
|
break; |
2364 |
|
} |
2365 |
|
} |
2366 |
|
if (iDimensionNr < 0) throw gig::Exception("Invalid dimension_def_t pointer"); |
2367 |
|
|
2368 |
|
// get amount of bits below the dimension to delete |
2369 |
|
int iLowerBits = 0; |
2370 |
|
for (int i = 0; i < iDimensionNr; i++) |
2371 |
|
iLowerBits += pDimensionDefinitions[i].bits; |
2372 |
|
|
2373 |
|
// get amount ot bits above the dimension to delete |
2374 |
|
int iUpperBits = 0; |
2375 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
2376 |
|
iUpperBits += pDimensionDefinitions[i].bits; |
2377 |
|
|
2378 |
|
// delete dimension regions which belong to the given dimension |
2379 |
|
// (that is where the dimension's bit > 0) |
2380 |
|
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
2381 |
|
for (int iObsoleteBit = 1; iObsoleteBit < 1 << pDimensionDefinitions[iDimensionNr].bits; iObsoleteBit++) { |
2382 |
|
for (int iLowerBit = 0; iLowerBit < 1 << iLowerBits; iLowerBit++) { |
2383 |
|
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
2384 |
|
iObsoleteBit << iLowerBits | |
2385 |
|
iLowerBit; |
2386 |
|
delete pDimensionRegions[iToDelete]; |
2387 |
|
pDimensionRegions[iToDelete] = NULL; |
2388 |
|
DimensionRegions--; |
2389 |
|
} |
2390 |
|
} |
2391 |
|
} |
2392 |
|
|
2393 |
|
// defrag pDimensionRegions array |
2394 |
|
// (that is remove the NULL spaces within the pDimensionRegions array) |
2395 |
|
for (int iFrom = 2, iTo = 1; iFrom < 256 && iTo < 256 - 1; iTo++) { |
2396 |
|
if (!pDimensionRegions[iTo]) { |
2397 |
|
if (iFrom <= iTo) iFrom = iTo + 1; |
2398 |
|
while (!pDimensionRegions[iFrom] && iFrom < 256) iFrom++; |
2399 |
|
if (iFrom < 256 && pDimensionRegions[iFrom]) { |
2400 |
|
pDimensionRegions[iTo] = pDimensionRegions[iFrom]; |
2401 |
|
pDimensionRegions[iFrom] = NULL; |
2402 |
|
} |
2403 |
|
} |
2404 |
} |
} |
2405 |
|
|
2406 |
|
// 'remove' dimension definition |
2407 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2408 |
|
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
2409 |
|
} |
2410 |
|
pDimensionDefinitions[Dimensions - 1].dimension = dimension_none; |
2411 |
|
pDimensionDefinitions[Dimensions - 1].bits = 0; |
2412 |
|
pDimensionDefinitions[Dimensions - 1].zones = 0; |
2413 |
|
|
2414 |
|
Dimensions--; |
2415 |
|
|
2416 |
|
// if this was a layer dimension, update 'Layers' attribute |
2417 |
|
if (pDimDef->dimension == dimension_layer) Layers = 1; |
2418 |
|
} |
2419 |
|
|
2420 |
|
Region::~Region() { |
2421 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2422 |
if (pDimensionRegions[i]) delete pDimensionRegions[i]; |
if (pDimensionRegions[i]) delete pDimensionRegions[i]; |
2423 |
} |
} |
2442 |
* @see Dimensions |
* @see Dimensions |
2443 |
*/ |
*/ |
2444 |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
2445 |
uint8_t bits[8] = { 0 }; |
uint8_t bits; |
2446 |
|
int veldim = -1; |
2447 |
|
int velbitpos; |
2448 |
|
int bitpos = 0; |
2449 |
|
int dimregidx = 0; |
2450 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
2451 |
bits[i] = DimValues[i]; |
if (pDimensionDefinitions[i].dimension == dimension_velocity) { |
2452 |
switch (pDimensionDefinitions[i].split_type) { |
// the velocity dimension must be handled after the other dimensions |
2453 |
case split_type_normal: |
veldim = i; |
2454 |
bits[i] /= pDimensionDefinitions[i].zone_size; |
velbitpos = bitpos; |
2455 |
break; |
} else { |
2456 |
case split_type_customvelocity: |
switch (pDimensionDefinitions[i].split_type) { |
2457 |
bits[i] = VelocityTable[bits[i]]; |
case split_type_normal: |
2458 |
break; |
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
2459 |
case split_type_bit: // the value is already the sought dimension bit number |
break; |
2460 |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
case split_type_bit: // the value is already the sought dimension bit number |
2461 |
bits[i] = bits[i] & limiter_mask; // just make sure the value don't uses more bits than allowed |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
2462 |
break; |
bits = DimValues[i] & limiter_mask; // just make sure the value doesn't use more bits than allowed |
2463 |
} |
break; |
2464 |
|
} |
2465 |
|
dimregidx |= bits << bitpos; |
2466 |
|
} |
2467 |
|
bitpos += pDimensionDefinitions[i].bits; |
2468 |
|
} |
2469 |
|
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
2470 |
|
if (veldim != -1) { |
2471 |
|
// (dimreg is now the dimension region for the lowest velocity) |
2472 |
|
if (dimreg->VelocityUpperLimit) // custom defined zone ranges |
2473 |
|
bits = dimreg->VelocityTable[DimValues[veldim]]; |
2474 |
|
else // normal split type |
2475 |
|
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
2476 |
|
|
2477 |
|
dimregidx |= bits << velbitpos; |
2478 |
|
dimreg = pDimensionRegions[dimregidx]; |
2479 |
} |
} |
2480 |
return GetDimensionRegionByBit(bits); |
return dimreg; |
2481 |
} |
} |
2482 |
|
|
2483 |
/** |
/** |
2517 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
2518 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
2519 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
2520 |
|
if (!file->pWavePoolTable) return NULL; |
2521 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
2522 |
|
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
2523 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
2524 |
while (sample) { |
while (sample) { |
2525 |
if (sample->ulWavePoolOffset == soughtoffset) return static_cast<gig::Sample*>(pSample = sample); |
if (sample->ulWavePoolOffset == soughtoffset && |
2526 |
|
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
2527 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
2528 |
} |
} |
2529 |
return NULL; |
return NULL; |
2535 |
// * |
// * |
2536 |
|
|
2537 |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
2538 |
|
pInfo->UseFixedLengthStrings = true; |
2539 |
|
|
2540 |
// Initialization |
// Initialization |
2541 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
|
RegionIndex = -1; |
|
2542 |
|
|
2543 |
// Loading |
// Loading |
2544 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2554 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
2555 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
2556 |
} |
} |
|
else throw gig::Exception("Mandatory <3ewg> chunk not found."); |
|
2557 |
} |
} |
|
else throw gig::Exception("Mandatory <lart> list chunk not found."); |
|
2558 |
|
|
2559 |
|
if (!pRegions) pRegions = new RegionList; |
2560 |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
2561 |
if (!lrgn) throw gig::Exception("Mandatory chunks in <ins > chunk not found."); |
if (lrgn) { |
2562 |
pRegions = new Region*[Regions]; |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
2563 |
for (uint i = 0; i < Regions; i++) pRegions[i] = NULL; |
while (rgn) { |
2564 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
2565 |
unsigned int iRegion = 0; |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
2566 |
while (rgn) { |
pRegions->push_back(new Region(this, rgn)); |
2567 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
} |
2568 |
__notify_progress(pProgress, (float) iRegion / (float) Regions); |
rgn = lrgn->GetNextSubList(); |
|
pRegions[iRegion] = new Region(this, rgn); |
|
|
iRegion++; |
|
|
} |
|
|
rgn = lrgn->GetNextSubList(); |
|
|
} |
|
|
|
|
|
// Creating Region Key Table for fast lookup |
|
|
for (uint iReg = 0; iReg < Regions; iReg++) { |
|
|
for (int iKey = pRegions[iReg]->KeyRange.low; iKey <= pRegions[iReg]->KeyRange.high; iKey++) { |
|
|
RegionKeyTable[iKey] = pRegions[iReg]; |
|
2569 |
} |
} |
2570 |
|
// Creating Region Key Table for fast lookup |
2571 |
|
UpdateRegionKeyTable(); |
2572 |
} |
} |
2573 |
|
|
2574 |
__notify_progress(pProgress, 1.0f); // notify done |
__notify_progress(pProgress, 1.0f); // notify done |
2575 |
} |
} |
2576 |
|
|
2577 |
Instrument::~Instrument() { |
void Instrument::UpdateRegionKeyTable() { |
2578 |
for (uint i = 0; i < Regions; i++) { |
RegionList::iterator iter = pRegions->begin(); |
2579 |
if (pRegions) { |
RegionList::iterator end = pRegions->end(); |
2580 |
if (pRegions[i]) delete (pRegions[i]); |
for (; iter != end; ++iter) { |
2581 |
|
gig::Region* pRegion = static_cast<gig::Region*>(*iter); |
2582 |
|
for (int iKey = pRegion->KeyRange.low; iKey <= pRegion->KeyRange.high; iKey++) { |
2583 |
|
RegionKeyTable[iKey] = pRegion; |
2584 |
} |
} |
2585 |
} |
} |
2586 |
if (pRegions) delete[] pRegions; |
} |
2587 |
|
|
2588 |
|
Instrument::~Instrument() { |
2589 |
|
} |
2590 |
|
|
2591 |
|
/** |
2592 |
|
* Apply Instrument with all its Regions to the respective RIFF chunks. |
2593 |
|
* You have to call File::Save() to make changes persistent. |
2594 |
|
* |
2595 |
|
* Usually there is absolutely no need to call this method explicitly. |
2596 |
|
* It will be called automatically when File::Save() was called. |
2597 |
|
* |
2598 |
|
* @throws gig::Exception if samples cannot be dereferenced |
2599 |
|
*/ |
2600 |
|
void Instrument::UpdateChunks() { |
2601 |
|
// first update base classes' chunks |
2602 |
|
DLS::Instrument::UpdateChunks(); |
2603 |
|
|
2604 |
|
// update Regions' chunks |
2605 |
|
{ |
2606 |
|
RegionList::iterator iter = pRegions->begin(); |
2607 |
|
RegionList::iterator end = pRegions->end(); |
2608 |
|
for (; iter != end; ++iter) |
2609 |
|
(*iter)->UpdateChunks(); |
2610 |
|
} |
2611 |
|
|
2612 |
|
// make sure 'lart' RIFF list chunk exists |
2613 |
|
RIFF::List* lart = pCkInstrument->GetSubList(LIST_TYPE_LART); |
2614 |
|
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
2615 |
|
// make sure '3ewg' RIFF chunk exists |
2616 |
|
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
2617 |
|
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
2618 |
|
// update '3ewg' RIFF chunk |
2619 |
|
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
2620 |
|
memcpy(&pData[0], &EffectSend, 2); |
2621 |
|
memcpy(&pData[2], &Attenuation, 4); |
2622 |
|
memcpy(&pData[6], &FineTune, 2); |
2623 |
|
memcpy(&pData[8], &PitchbendRange, 2); |
2624 |
|
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
2625 |
|
DimensionKeyRange.low << 1; |
2626 |
|
memcpy(&pData[10], &dimkeystart, 1); |
2627 |
|
memcpy(&pData[11], &DimensionKeyRange.high, 1); |
2628 |
} |
} |
2629 |
|
|
2630 |
/** |
/** |
2635 |
* there is no Region defined for the given \a Key |
* there is no Region defined for the given \a Key |
2636 |
*/ |
*/ |
2637 |
Region* Instrument::GetRegion(unsigned int Key) { |
Region* Instrument::GetRegion(unsigned int Key) { |
2638 |
if (!pRegions || Key > 127) return NULL; |
if (!pRegions || !pRegions->size() || Key > 127) return NULL; |
2639 |
return RegionKeyTable[Key]; |
return RegionKeyTable[Key]; |
2640 |
|
|
2641 |
/*for (int i = 0; i < Regions; i++) { |
/*for (int i = 0; i < Regions; i++) { |
2642 |
if (Key <= pRegions[i]->KeyRange.high && |
if (Key <= pRegions[i]->KeyRange.high && |
2643 |
Key >= pRegions[i]->KeyRange.low) return pRegions[i]; |
Key >= pRegions[i]->KeyRange.low) return pRegions[i]; |
2653 |
* @see GetNextRegion() |
* @see GetNextRegion() |
2654 |
*/ |
*/ |
2655 |
Region* Instrument::GetFirstRegion() { |
Region* Instrument::GetFirstRegion() { |
2656 |
if (!Regions) return NULL; |
if (!pRegions) return NULL; |
2657 |
RegionIndex = 1; |
RegionsIterator = pRegions->begin(); |
2658 |
return pRegions[0]; |
return static_cast<gig::Region*>( (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL ); |
2659 |
} |
} |
2660 |
|
|
2661 |
/** |
/** |
2667 |
* @see GetFirstRegion() |
* @see GetFirstRegion() |
2668 |
*/ |
*/ |
2669 |
Region* Instrument::GetNextRegion() { |
Region* Instrument::GetNextRegion() { |
2670 |
if (RegionIndex < 0 || uint32_t(RegionIndex) >= Regions) return NULL; |
if (!pRegions) return NULL; |
2671 |
return pRegions[RegionIndex++]; |
RegionsIterator++; |
2672 |
|
return static_cast<gig::Region*>( (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL ); |
2673 |
|
} |
2674 |
|
|
2675 |
|
Region* Instrument::AddRegion() { |
2676 |
|
// create new Region object (and its RIFF chunks) |
2677 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
2678 |
|
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
2679 |
|
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
2680 |
|
Region* pNewRegion = new Region(this, rgn); |
2681 |
|
pRegions->push_back(pNewRegion); |
2682 |
|
Regions = pRegions->size(); |
2683 |
|
// update Region key table for fast lookup |
2684 |
|
UpdateRegionKeyTable(); |
2685 |
|
// done |
2686 |
|
return pNewRegion; |
2687 |
|
} |
2688 |
|
|
2689 |
|
void Instrument::DeleteRegion(Region* pRegion) { |
2690 |
|
if (!pRegions) return; |
2691 |
|
DLS::Instrument::DeleteRegion((DLS::Region*) pRegion); |
2692 |
|
// update Region key table for fast lookup |
2693 |
|
UpdateRegionKeyTable(); |
2694 |
|
} |
2695 |
|
|
2696 |
|
|
2697 |
|
|
2698 |
|
// *************** Group *************** |
2699 |
|
// * |
2700 |
|
|
2701 |
|
/** @brief Constructor. |
2702 |
|
* |
2703 |
|
* @param file - pointer to the gig::File object |
2704 |
|
* @param ck3gnm - pointer to 3gnm chunk associated with this group or |
2705 |
|
* NULL if this is a new Group |
2706 |
|
*/ |
2707 |
|
Group::Group(File* file, RIFF::Chunk* ck3gnm) { |
2708 |
|
pFile = file; |
2709 |
|
pNameChunk = ck3gnm; |
2710 |
|
::LoadString(pNameChunk, Name); |
2711 |
|
} |
2712 |
|
|
2713 |
|
Group::~Group() { |
2714 |
|
} |
2715 |
|
|
2716 |
|
/** @brief Update chunks with current group settings. |
2717 |
|
* |
2718 |
|
* Apply current Group field values to the respective. You have to call |
2719 |
|
* File::Save() to make changes persistent. |
2720 |
|
*/ |
2721 |
|
void Group::UpdateChunks() { |
2722 |
|
// make sure <3gri> and <3gnl> list chunks exist |
2723 |
|
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2724 |
|
if (!_3gri) _3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
2725 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2726 |
|
if (!_3gnl) _3gnl = pFile->pRIFF->AddSubList(LIST_TYPE_3GNL); |
2727 |
|
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
2728 |
|
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2729 |
|
} |
2730 |
|
|
2731 |
|
/** |
2732 |
|
* Returns the first Sample of this Group. You have to call this method |
2733 |
|
* once before you use GetNextSample(). |
2734 |
|
* |
2735 |
|
* <b>Notice:</b> this method might block for a long time, in case the |
2736 |
|
* samples of this .gig file were not scanned yet |
2737 |
|
* |
2738 |
|
* @returns pointer address to first Sample or NULL if there is none |
2739 |
|
* applied to this Group |
2740 |
|
* @see GetNextSample() |
2741 |
|
*/ |
2742 |
|
Sample* Group::GetFirstSample() { |
2743 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2744 |
|
for (Sample* pSample = pFile->GetFirstSample(); pSample; pSample = pFile->GetNextSample()) { |
2745 |
|
if (pSample->GetGroup() == this) return pSample; |
2746 |
|
} |
2747 |
|
return NULL; |
2748 |
|
} |
2749 |
|
|
2750 |
|
/** |
2751 |
|
* Returns the next Sample of the Group. You have to call |
2752 |
|
* GetFirstSample() once before you can use this method. By calling this |
2753 |
|
* method multiple times it iterates through the Samples assigned to |
2754 |
|
* this Group. |
2755 |
|
* |
2756 |
|
* @returns pointer address to the next Sample of this Group or NULL if |
2757 |
|
* end reached |
2758 |
|
* @see GetFirstSample() |
2759 |
|
*/ |
2760 |
|
Sample* Group::GetNextSample() { |
2761 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2762 |
|
for (Sample* pSample = pFile->GetNextSample(); pSample; pSample = pFile->GetNextSample()) { |
2763 |
|
if (pSample->GetGroup() == this) return pSample; |
2764 |
|
} |
2765 |
|
return NULL; |
2766 |
|
} |
2767 |
|
|
2768 |
|
/** |
2769 |
|
* Move Sample given by \a pSample from another Group to this Group. |
2770 |
|
*/ |
2771 |
|
void Group::AddSample(Sample* pSample) { |
2772 |
|
pSample->pGroup = this; |
2773 |
|
} |
2774 |
|
|
2775 |
|
/** |
2776 |
|
* Move all members of this group to another group (preferably the 1st |
2777 |
|
* one except this). This method is called explicitly by |
2778 |
|
* File::DeleteGroup() thus when a Group was deleted. This code was |
2779 |
|
* intentionally not placed in the destructor! |
2780 |
|
*/ |
2781 |
|
void Group::MoveAll() { |
2782 |
|
// get "that" other group first |
2783 |
|
Group* pOtherGroup = NULL; |
2784 |
|
for (pOtherGroup = pFile->GetFirstGroup(); pOtherGroup; pOtherGroup = pFile->GetNextGroup()) { |
2785 |
|
if (pOtherGroup != this) break; |
2786 |
|
} |
2787 |
|
if (!pOtherGroup) throw Exception( |
2788 |
|
"Could not move samples to another group, since there is no " |
2789 |
|
"other Group. This is a bug, report it!" |
2790 |
|
); |
2791 |
|
// now move all samples of this group to the other group |
2792 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
2793 |
|
pOtherGroup->AddSample(pSample); |
2794 |
|
} |
2795 |
} |
} |
2796 |
|
|
2797 |
|
|
2799 |
// *************** File *************** |
// *************** File *************** |
2800 |
// * |
// * |
2801 |
|
|
2802 |
|
File::File() : DLS::File() { |
2803 |
|
pGroups = NULL; |
2804 |
|
pInfo->UseFixedLengthStrings = true; |
2805 |
|
} |
2806 |
|
|
2807 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
2808 |
pSamples = NULL; |
pGroups = NULL; |
2809 |
pInstruments = NULL; |
pInfo->UseFixedLengthStrings = true; |
2810 |
} |
} |
2811 |
|
|
2812 |
File::~File() { |
File::~File() { |
2813 |
// free samples |
if (pGroups) { |
2814 |
if (pSamples) { |
std::list<Group*>::iterator iter = pGroups->begin(); |
2815 |
SamplesIterator = pSamples->begin(); |
std::list<Group*>::iterator end = pGroups->end(); |
2816 |
while (SamplesIterator != pSamples->end() ) { |
while (iter != end) { |
2817 |
delete (*SamplesIterator); |
delete *iter; |
2818 |
SamplesIterator++; |
++iter; |
|
} |
|
|
pSamples->clear(); |
|
|
delete pSamples; |
|
|
|
|
|
} |
|
|
// free instruments |
|
|
if (pInstruments) { |
|
|
InstrumentsIterator = pInstruments->begin(); |
|
|
while (InstrumentsIterator != pInstruments->end() ) { |
|
|
delete (*InstrumentsIterator); |
|
|
InstrumentsIterator++; |
|
2819 |
} |
} |
2820 |
pInstruments->clear(); |
delete pGroups; |
|
delete pInstruments; |
|
2821 |
} |
} |
2822 |
} |
} |
2823 |
|
|
2834 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
2835 |
} |
} |
2836 |
|
|
2837 |
|
/** @brief Add a new sample. |
2838 |
|
* |
2839 |
|
* This will create a new Sample object for the gig file. You have to |
2840 |
|
* call Save() to make this persistent to the file. |
2841 |
|
* |
2842 |
|
* @returns pointer to new Sample object |
2843 |
|
*/ |
2844 |
|
Sample* File::AddSample() { |
2845 |
|
if (!pSamples) LoadSamples(); |
2846 |
|
__ensureMandatoryChunksExist(); |
2847 |
|
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
2848 |
|
// create new Sample object and its respective 'wave' list chunk |
2849 |
|
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
2850 |
|
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
2851 |
|
pSamples->push_back(pSample); |
2852 |
|
return pSample; |
2853 |
|
} |
2854 |
|
|
2855 |
|
/** @brief Delete a sample. |
2856 |
|
* |
2857 |
|
* This will delete the given Sample object from the gig file. You have |
2858 |
|
* to call Save() to make this persistent to the file. |
2859 |
|
* |
2860 |
|
* @param pSample - sample to delete |
2861 |
|
* @throws gig::Exception if given sample could not be found |
2862 |
|
*/ |
2863 |
|
void File::DeleteSample(Sample* pSample) { |
2864 |
|
if (!pSamples || !pSamples->size()) throw gig::Exception("Could not delete sample as there are no samples"); |
2865 |
|
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
2866 |
|
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
2867 |
|
pSamples->erase(iter); |
2868 |
|
delete pSample; |
2869 |
|
} |
2870 |
|
|
2871 |
|
void File::LoadSamples() { |
2872 |
|
LoadSamples(NULL); |
2873 |
|
} |
2874 |
|
|
2875 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
2876 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
// Groups must be loaded before samples, because samples will try |
2877 |
if (wvpl) { |
// to resolve the group they belong to |
2878 |
// just for progress calculation |
LoadGroups(); |
2879 |
int iSampleIndex = 0; |
|
2880 |
int iTotalSamples = wvpl->CountSubLists(LIST_TYPE_WAVE); |
if (!pSamples) pSamples = new SampleList; |
2881 |
|
|
2882 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
RIFF::File* file = pRIFF; |
2883 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
|
2884 |
while (wave) { |
// just for progress calculation |
2885 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
int iSampleIndex = 0; |
2886 |
// notify current progress |
int iTotalSamples = WavePoolCount; |
2887 |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
|
2888 |
__notify_progress(pProgress, subprogress); |
// check if samples should be loaded from extension files |
2889 |
|
int lastFileNo = 0; |
2890 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
2891 |
|
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
2892 |
|
} |
2893 |
|
String name(pRIFF->GetFileName()); |
2894 |
|
int nameLen = name.length(); |
2895 |
|
char suffix[6]; |
2896 |
|
if (nameLen > 4 && name.substr(nameLen - 4) == ".gig") nameLen -= 4; |
2897 |
|
|
2898 |
|
for (int fileNo = 0 ; ; ) { |
2899 |
|
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
2900 |
|
if (wvpl) { |
2901 |
|
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
2902 |
|
RIFF::List* wave = wvpl->GetFirstSubList(); |
2903 |
|
while (wave) { |
2904 |
|
if (wave->GetListType() == LIST_TYPE_WAVE) { |
2905 |
|
// notify current progress |
2906 |
|
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
2907 |
|
__notify_progress(pProgress, subprogress); |
2908 |
|
|
2909 |
if (!pSamples) pSamples = new SampleList; |
unsigned long waveFileOffset = wave->GetFilePos(); |
2910 |
unsigned long waveFileOffset = wave->GetFilePos(); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo)); |
|
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
|
2911 |
|
|
2912 |
iSampleIndex++; |
iSampleIndex++; |
2913 |
|
} |
2914 |
|
wave = wvpl->GetNextSubList(); |
2915 |
} |
} |
2916 |
wave = wvpl->GetNextSubList(); |
|
2917 |
} |
if (fileNo == lastFileNo) break; |
2918 |
__notify_progress(pProgress, 1.0); // notify done |
|
2919 |
|
// open extension file (*.gx01, *.gx02, ...) |
2920 |
|
fileNo++; |
2921 |
|
sprintf(suffix, ".gx%02d", fileNo); |
2922 |
|
name.replace(nameLen, 5, suffix); |
2923 |
|
file = new RIFF::File(name); |
2924 |
|
ExtensionFiles.push_back(file); |
2925 |
|
} else break; |
2926 |
} |
} |
2927 |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
|
2928 |
|
__notify_progress(pProgress, 1.0); // notify done |
2929 |
} |
} |
2930 |
|
|
2931 |
Instrument* File::GetFirstInstrument() { |
Instrument* File::GetFirstInstrument() { |
2932 |
if (!pInstruments) LoadInstruments(); |
if (!pInstruments) LoadInstruments(); |
2933 |
if (!pInstruments) return NULL; |
if (!pInstruments) return NULL; |
2934 |
InstrumentsIterator = pInstruments->begin(); |
InstrumentsIterator = pInstruments->begin(); |
2935 |
return (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL; |
return static_cast<gig::Instrument*>( (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL ); |
2936 |
} |
} |
2937 |
|
|
2938 |
Instrument* File::GetNextInstrument() { |
Instrument* File::GetNextInstrument() { |
2939 |
if (!pInstruments) return NULL; |
if (!pInstruments) return NULL; |
2940 |
InstrumentsIterator++; |
InstrumentsIterator++; |
2941 |
return (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL; |
return static_cast<gig::Instrument*>( (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL ); |
2942 |
} |
} |
2943 |
|
|
2944 |
/** |
/** |
2971 |
if (!pInstruments) return NULL; |
if (!pInstruments) return NULL; |
2972 |
InstrumentsIterator = pInstruments->begin(); |
InstrumentsIterator = pInstruments->begin(); |
2973 |
for (uint i = 0; InstrumentsIterator != pInstruments->end(); i++) { |
for (uint i = 0; InstrumentsIterator != pInstruments->end(); i++) { |
2974 |
if (i == index) return *InstrumentsIterator; |
if (i == index) return static_cast<gig::Instrument*>( *InstrumentsIterator ); |
2975 |
InstrumentsIterator++; |
InstrumentsIterator++; |
2976 |
} |
} |
2977 |
return NULL; |
return NULL; |
2978 |
} |
} |
2979 |
|
|
2980 |
|
/** @brief Add a new instrument definition. |
2981 |
|
* |
2982 |
|
* This will create a new Instrument object for the gig file. You have |
2983 |
|
* to call Save() to make this persistent to the file. |
2984 |
|
* |
2985 |
|
* @returns pointer to new Instrument object |
2986 |
|
*/ |
2987 |
|
Instrument* File::AddInstrument() { |
2988 |
|
if (!pInstruments) LoadInstruments(); |
2989 |
|
__ensureMandatoryChunksExist(); |
2990 |
|
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
2991 |
|
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
2992 |
|
Instrument* pInstrument = new Instrument(this, lstInstr); |
2993 |
|
pInstruments->push_back(pInstrument); |
2994 |
|
return pInstrument; |
2995 |
|
} |
2996 |
|
|
2997 |
|
/** @brief Delete an instrument. |
2998 |
|
* |
2999 |
|
* This will delete the given Instrument object from the gig file. You |
3000 |
|
* have to call Save() to make this persistent to the file. |
3001 |
|
* |
3002 |
|
* @param pInstrument - instrument to delete |
3003 |
|
* @throws gig::Excption if given instrument could not be found |
3004 |
|
*/ |
3005 |
|
void File::DeleteInstrument(Instrument* pInstrument) { |
3006 |
|
if (!pInstruments) throw gig::Exception("Could not delete instrument as there are no instruments"); |
3007 |
|
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), (DLS::Instrument*) pInstrument); |
3008 |
|
if (iter == pInstruments->end()) throw gig::Exception("Could not delete instrument, could not find given instrument"); |
3009 |
|
pInstruments->erase(iter); |
3010 |
|
delete pInstrument; |
3011 |
|
} |
3012 |
|
|
3013 |
|
void File::LoadInstruments() { |
3014 |
|
LoadInstruments(NULL); |
3015 |
|
} |
3016 |
|
|
3017 |
void File::LoadInstruments(progress_t* pProgress) { |
void File::LoadInstruments(progress_t* pProgress) { |
3018 |
|
if (!pInstruments) pInstruments = new InstrumentList; |
3019 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
3020 |
if (lstInstruments) { |
if (lstInstruments) { |
3021 |
int iInstrumentIndex = 0; |
int iInstrumentIndex = 0; |
3030 |
progress_t subprogress; |
progress_t subprogress; |
3031 |
__divide_progress(pProgress, &subprogress, Instruments, iInstrumentIndex); |
__divide_progress(pProgress, &subprogress, Instruments, iInstrumentIndex); |
3032 |
|
|
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
3033 |
pInstruments->push_back(new Instrument(this, lstInstr, &subprogress)); |
pInstruments->push_back(new Instrument(this, lstInstr, &subprogress)); |
3034 |
|
|
3035 |
iInstrumentIndex++; |
iInstrumentIndex++; |
3038 |
} |
} |
3039 |
__notify_progress(pProgress, 1.0); // notify done |
__notify_progress(pProgress, 1.0); // notify done |
3040 |
} |
} |
3041 |
else throw gig::Exception("Mandatory <lins> list chunk not found."); |
} |
3042 |
|
|
3043 |
|
Group* File::GetFirstGroup() { |
3044 |
|
if (!pGroups) LoadGroups(); |
3045 |
|
// there must always be at least one group |
3046 |
|
GroupsIterator = pGroups->begin(); |
3047 |
|
return *GroupsIterator; |
3048 |
|
} |
3049 |
|
|
3050 |
|
Group* File::GetNextGroup() { |
3051 |
|
if (!pGroups) return NULL; |
3052 |
|
++GroupsIterator; |
3053 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
3054 |
|
} |
3055 |
|
|
3056 |
|
/** |
3057 |
|
* Returns the group with the given index. |
3058 |
|
* |
3059 |
|
* @param index - number of the sought group (0..n) |
3060 |
|
* @returns sought group or NULL if there's no such group |
3061 |
|
*/ |
3062 |
|
Group* File::GetGroup(uint index) { |
3063 |
|
if (!pGroups) LoadGroups(); |
3064 |
|
GroupsIterator = pGroups->begin(); |
3065 |
|
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
3066 |
|
if (i == index) return *GroupsIterator; |
3067 |
|
++GroupsIterator; |
3068 |
|
} |
3069 |
|
return NULL; |
3070 |
|
} |
3071 |
|
|
3072 |
|
Group* File::AddGroup() { |
3073 |
|
if (!pGroups) LoadGroups(); |
3074 |
|
// there must always be at least one group |
3075 |
|
__ensureMandatoryChunksExist(); |
3076 |
|
Group* pGroup = new Group(this, NULL); |
3077 |
|
pGroups->push_back(pGroup); |
3078 |
|
return pGroup; |
3079 |
|
} |
3080 |
|
|
3081 |
|
void File::DeleteGroup(Group* pGroup) { |
3082 |
|
if (!pGroups) LoadGroups(); |
3083 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3084 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3085 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3086 |
|
// move all members of this group to another group |
3087 |
|
pGroup->MoveAll(); |
3088 |
|
pGroups->erase(iter); |
3089 |
|
delete pGroup; |
3090 |
|
} |
3091 |
|
|
3092 |
|
void File::LoadGroups() { |
3093 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
3094 |
|
// try to read defined groups from file |
3095 |
|
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3096 |
|
if (lst3gri) { |
3097 |
|
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3098 |
|
if (lst3gnl) { |
3099 |
|
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3100 |
|
while (ck) { |
3101 |
|
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3102 |
|
pGroups->push_back(new Group(this, ck)); |
3103 |
|
} |
3104 |
|
ck = lst3gnl->GetNextSubChunk(); |
3105 |
|
} |
3106 |
|
} |
3107 |
|
} |
3108 |
|
// if there were no group(s), create at least the mandatory default group |
3109 |
|
if (!pGroups->size()) { |
3110 |
|
Group* pGroup = new Group(this, NULL); |
3111 |
|
pGroup->Name = "Default Group"; |
3112 |
|
pGroups->push_back(pGroup); |
3113 |
|
} |
3114 |
} |
} |
3115 |
|
|
3116 |
|
|