2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2014 by Christian Schoenebeck * |
* Copyright (C) 2003-2017 by Christian Schoenebeck * |
6 |
* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
7 |
* * |
* * |
8 |
* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
24 |
#include "gig.h" |
#include "gig.h" |
25 |
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26 |
#include "helper.h" |
#include "helper.h" |
27 |
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#include "Serialization.h" |
28 |
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29 |
#include <algorithm> |
#include <algorithm> |
30 |
#include <math.h> |
#include <math.h> |
31 |
#include <iostream> |
#include <iostream> |
32 |
#include <assert.h> |
#include <assert.h> |
33 |
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34 |
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/// libgig's current file format version (for extending the original Giga file |
35 |
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/// format with libgig's own custom data / custom features). |
36 |
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#define GIG_FILE_EXT_VERSION 2 |
37 |
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38 |
/// Initial size of the sample buffer which is used for decompression of |
/// Initial size of the sample buffer which is used for decompression of |
39 |
/// compressed sample wave streams - this value should always be bigger than |
/// compressed sample wave streams - this value should always be bigger than |
40 |
/// the biggest sample piece expected to be read by the sampler engine, |
/// the biggest sample piece expected to be read by the sampler engine, |
56 |
#define GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(x) ((x & 0x03) << 3) |
#define GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(x) ((x & 0x03) << 3) |
57 |
#define GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(x) ((x & 0x03) << 5) |
#define GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(x) ((x & 0x03) << 5) |
58 |
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59 |
namespace gig { |
#define SRLZ(member) \ |
60 |
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archive->serializeMember(*this, member, #member); |
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// *************** progress_t *************** |
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// * |
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progress_t::progress_t() { |
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callback = NULL; |
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custom = NULL; |
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__range_min = 0.0f; |
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__range_max = 1.0f; |
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} |
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// private helper function to convert progress of a subprocess into the global progress |
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static void __notify_progress(progress_t* pProgress, float subprogress) { |
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if (pProgress && pProgress->callback) { |
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const float totalrange = pProgress->__range_max - pProgress->__range_min; |
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const float totalprogress = pProgress->__range_min + subprogress * totalrange; |
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pProgress->factor = totalprogress; |
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pProgress->callback(pProgress); // now actually notify about the progress |
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} |
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} |
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// private helper function to divide a progress into subprogresses |
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static void __divide_progress(progress_t* pParentProgress, progress_t* pSubProgress, float totalTasks, float currentTask) { |
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if (pParentProgress && pParentProgress->callback) { |
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const float totalrange = pParentProgress->__range_max - pParentProgress->__range_min; |
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pSubProgress->callback = pParentProgress->callback; |
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pSubProgress->custom = pParentProgress->custom; |
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pSubProgress->__range_min = pParentProgress->__range_min + totalrange * currentTask / totalTasks; |
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pSubProgress->__range_max = pSubProgress->__range_min + totalrange / totalTasks; |
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} |
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} |
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61 |
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62 |
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namespace gig { |
63 |
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64 |
// *************** Internal functions for sample decompression *************** |
// *************** Internal functions for sample decompression *************** |
65 |
// * |
// * |
99 |
void Decompress16(int compressionmode, const unsigned char* params, |
void Decompress16(int compressionmode, const unsigned char* params, |
100 |
int srcStep, int dstStep, |
int srcStep, int dstStep, |
101 |
const unsigned char* pSrc, int16_t* pDst, |
const unsigned char* pSrc, int16_t* pDst, |
102 |
unsigned long currentframeoffset, |
file_offset_t currentframeoffset, |
103 |
unsigned long copysamples) |
file_offset_t copysamples) |
104 |
{ |
{ |
105 |
switch (compressionmode) { |
switch (compressionmode) { |
106 |
case 0: // 16 bit uncompressed |
case 0: // 16 bit uncompressed |
136 |
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137 |
void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
138 |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
139 |
unsigned long currentframeoffset, |
file_offset_t currentframeoffset, |
140 |
unsigned long copysamples, int truncatedBits) |
file_offset_t copysamples, int truncatedBits) |
141 |
{ |
{ |
142 |
int y, dy, ddy, dddy; |
int y, dy, ddy, dddy; |
143 |
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273 |
* steps. |
* steps. |
274 |
* |
* |
275 |
* Once the whole data was processed by __calculateCRC(), one should |
* Once the whole data was processed by __calculateCRC(), one should |
276 |
* call __encodeCRC() to get the final CRC result. |
* call __finalizeCRC() to get the final CRC result. |
277 |
* |
* |
278 |
* @param buf - pointer to data the CRC shall be calculated of |
* @param buf - pointer to data the CRC shall be calculated of |
279 |
* @param bufSize - size of the data to be processed |
* @param bufSize - size of the data to be processed |
280 |
* @param crc - variable the CRC sum shall be stored to |
* @param crc - variable the CRC sum shall be stored to |
281 |
*/ |
*/ |
282 |
static void __calculateCRC(unsigned char* buf, int bufSize, uint32_t& crc) { |
static void __calculateCRC(unsigned char* buf, size_t bufSize, uint32_t& crc) { |
283 |
for (int i = 0 ; i < bufSize ; i++) { |
for (size_t i = 0 ; i < bufSize ; i++) { |
284 |
crc = __CRCTable[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); |
crc = __CRCTable[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); |
285 |
} |
} |
286 |
} |
} |
290 |
* |
* |
291 |
* @param crc - variable previously passed to __calculateCRC() |
* @param crc - variable previously passed to __calculateCRC() |
292 |
*/ |
*/ |
293 |
inline static uint32_t __encodeCRC(const uint32_t& crc) { |
inline static void __finalizeCRC(uint32_t& crc) { |
294 |
return crc ^ 0xffffffff; |
crc ^= 0xffffffff; |
295 |
} |
} |
296 |
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297 |
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319 |
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320 |
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321 |
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322 |
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// *************** leverage_ctrl_t *************** |
323 |
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// * |
324 |
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325 |
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void leverage_ctrl_t::serialize(Serialization::Archive* archive) { |
326 |
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SRLZ(type); |
327 |
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SRLZ(controller_number); |
328 |
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} |
329 |
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330 |
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331 |
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332 |
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// *************** crossfade_t *************** |
333 |
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// * |
334 |
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335 |
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void crossfade_t::serialize(Serialization::Archive* archive) { |
336 |
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SRLZ(in_start); |
337 |
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SRLZ(in_end); |
338 |
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SRLZ(out_start); |
339 |
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SRLZ(out_end); |
340 |
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} |
341 |
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342 |
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343 |
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344 |
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// *************** eg_opt_t *************** |
345 |
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// * |
346 |
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347 |
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eg_opt_t::eg_opt_t() { |
348 |
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AttackCancel = true; |
349 |
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AttackHoldCancel = true; |
350 |
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Decay1Cancel = true; |
351 |
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Decay2Cancel = true; |
352 |
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ReleaseCancel = true; |
353 |
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} |
354 |
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355 |
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void eg_opt_t::serialize(Serialization::Archive* archive) { |
356 |
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SRLZ(AttackCancel); |
357 |
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SRLZ(AttackHoldCancel); |
358 |
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SRLZ(Decay1Cancel); |
359 |
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SRLZ(Decay2Cancel); |
360 |
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SRLZ(ReleaseCancel); |
361 |
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} |
362 |
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363 |
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364 |
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365 |
// *************** Sample *************** |
// *************** Sample *************** |
366 |
// * |
// * |
367 |
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368 |
unsigned int Sample::Instances = 0; |
size_t Sample::Instances = 0; |
369 |
buffer_t Sample::InternalDecompressionBuffer; |
buffer_t Sample::InternalDecompressionBuffer; |
370 |
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371 |
/** @brief Constructor. |
/** @brief Constructor. |
385 |
* ('wvpl') list chunk |
* ('wvpl') list chunk |
386 |
* @param fileNo - number of an extension file where this sample |
* @param fileNo - number of an extension file where this sample |
387 |
* is located, 0 otherwise |
* is located, 0 otherwise |
388 |
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* @param index - wave pool index of sample (may be -1 on new sample) |
389 |
*/ |
*/ |
390 |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
Sample::Sample(File* pFile, RIFF::List* waveList, file_offset_t WavePoolOffset, unsigned long fileNo, int index) |
391 |
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: DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) |
392 |
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{ |
393 |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
394 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
395 |
{ 0, 0 } |
{ 0, 0 } |
399 |
FileNo = fileNo; |
FileNo = fileNo; |
400 |
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401 |
__resetCRC(crc); |
__resetCRC(crc); |
402 |
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// if this is not a new sample, try to get the sample's already existing |
403 |
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// CRC32 checksum from disk, this checksum will reflect the sample's CRC32 |
404 |
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// checksum of the time when the sample was consciously modified by the |
405 |
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// user for the last time (by calling Sample::Write() that is). |
406 |
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if (index >= 0) { // not a new file ... |
407 |
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try { |
408 |
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uint32_t crc = pFile->GetSampleChecksumByIndex(index); |
409 |
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this->crc = crc; |
410 |
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} catch (...) {} |
411 |
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} |
412 |
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413 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
414 |
if (pCk3gix) { |
if (pCk3gix) { |
541 |
const int iReadAtOnce = 32*1024; |
const int iReadAtOnce = 32*1024; |
542 |
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
543 |
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
544 |
unsigned long restorePos = pOrig->GetPos(); |
file_offset_t restorePos = pOrig->GetPos(); |
545 |
pOrig->SetPos(0); |
pOrig->SetPos(0); |
546 |
SetPos(0); |
SetPos(0); |
547 |
for (unsigned long n = pOrig->Read(buf, iReadAtOnce); n; |
for (file_offset_t n = pOrig->Read(buf, iReadAtOnce); n; |
548 |
n = pOrig->Read(buf, iReadAtOnce)) |
n = pOrig->Read(buf, iReadAtOnce)) |
549 |
{ |
{ |
550 |
Write(buf, n); |
Write(buf, n); |
560 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
561 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
562 |
* |
* |
563 |
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* @param pProgress - callback function for progress notification |
564 |
* @throws DLS::Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
* @throws DLS::Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
565 |
* was provided yet |
* was provided yet |
566 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
567 |
*/ |
*/ |
568 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks(progress_t* pProgress) { |
569 |
// first update base class's chunks |
// first update base class's chunks |
570 |
DLS::Sample::UpdateChunks(); |
DLS::Sample::UpdateChunks(pProgress); |
571 |
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572 |
// make sure 'smpl' chunk exists |
// make sure 'smpl' chunk exists |
573 |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
629 |
void Sample::ScanCompressedSample() { |
void Sample::ScanCompressedSample() { |
630 |
//TODO: we have to add some more scans here (e.g. determine compression rate) |
//TODO: we have to add some more scans here (e.g. determine compression rate) |
631 |
this->SamplesTotal = 0; |
this->SamplesTotal = 0; |
632 |
std::list<unsigned long> frameOffsets; |
std::list<file_offset_t> frameOffsets; |
633 |
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634 |
SamplesPerFrame = BitDepth == 24 ? 256 : 2048; |
SamplesPerFrame = BitDepth == 24 ? 256 : 2048; |
635 |
WorstCaseFrameSize = SamplesPerFrame * FrameSize + Channels; // +Channels for compression flag |
WorstCaseFrameSize = SamplesPerFrame * FrameSize + Channels; // +Channels for compression flag |
645 |
const int mode_l = pCkData->ReadUint8(); |
const int mode_l = pCkData->ReadUint8(); |
646 |
const int mode_r = pCkData->ReadUint8(); |
const int mode_r = pCkData->ReadUint8(); |
647 |
if (mode_l > 5 || mode_r > 5) throw gig::Exception("Unknown compression mode"); |
if (mode_l > 5 || mode_r > 5) throw gig::Exception("Unknown compression mode"); |
648 |
const unsigned long frameSize = bytesPerFrame[mode_l] + bytesPerFrame[mode_r]; |
const file_offset_t frameSize = bytesPerFrame[mode_l] + bytesPerFrame[mode_r]; |
649 |
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650 |
if (pCkData->RemainingBytes() <= frameSize) { |
if (pCkData->RemainingBytes() <= frameSize) { |
651 |
SamplesInLastFrame = |
SamplesInLastFrame = |
664 |
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665 |
const int mode = pCkData->ReadUint8(); |
const int mode = pCkData->ReadUint8(); |
666 |
if (mode > 5) throw gig::Exception("Unknown compression mode"); |
if (mode > 5) throw gig::Exception("Unknown compression mode"); |
667 |
const unsigned long frameSize = bytesPerFrame[mode]; |
const file_offset_t frameSize = bytesPerFrame[mode]; |
668 |
|
|
669 |
if (pCkData->RemainingBytes() <= frameSize) { |
if (pCkData->RemainingBytes() <= frameSize) { |
670 |
SamplesInLastFrame = |
SamplesInLastFrame = |
680 |
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|
681 |
// Build the frames table (which is used for fast resolving of a frame's chunk offset) |
// Build the frames table (which is used for fast resolving of a frame's chunk offset) |
682 |
if (FrameTable) delete[] FrameTable; |
if (FrameTable) delete[] FrameTable; |
683 |
FrameTable = new unsigned long[frameOffsets.size()]; |
FrameTable = new file_offset_t[frameOffsets.size()]; |
684 |
std::list<unsigned long>::iterator end = frameOffsets.end(); |
std::list<file_offset_t>::iterator end = frameOffsets.end(); |
685 |
std::list<unsigned long>::iterator iter = frameOffsets.begin(); |
std::list<file_offset_t>::iterator iter = frameOffsets.begin(); |
686 |
for (int i = 0; iter != end; i++, iter++) { |
for (int i = 0; iter != end; i++, iter++) { |
687 |
FrameTable[i] = *iter; |
FrameTable[i] = *iter; |
688 |
} |
} |
723 |
* the cached sample data in bytes |
* the cached sample data in bytes |
724 |
* @see ReleaseSampleData(), Read(), SetPos() |
* @see ReleaseSampleData(), Read(), SetPos() |
725 |
*/ |
*/ |
726 |
buffer_t Sample::LoadSampleData(unsigned long SampleCount) { |
buffer_t Sample::LoadSampleData(file_offset_t SampleCount) { |
727 |
return LoadSampleDataWithNullSamplesExtension(SampleCount, 0); // 0 amount of NullSamples |
return LoadSampleDataWithNullSamplesExtension(SampleCount, 0); // 0 amount of NullSamples |
728 |
} |
} |
729 |
|
|
782 |
* size of the cached sample data in bytes |
* size of the cached sample data in bytes |
783 |
* @see ReleaseSampleData(), Read(), SetPos() |
* @see ReleaseSampleData(), Read(), SetPos() |
784 |
*/ |
*/ |
785 |
buffer_t Sample::LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount) { |
buffer_t Sample::LoadSampleDataWithNullSamplesExtension(file_offset_t SampleCount, uint NullSamplesCount) { |
786 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
787 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
788 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
file_offset_t allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
789 |
SetPos(0); // reset read position to begin of sample |
SetPos(0); // reset read position to begin of sample |
790 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
791 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
849 |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
850 |
* other formats will fail! |
* other formats will fail! |
851 |
* |
* |
852 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param NewSize - new sample wave data size in sample points (must be |
853 |
* greater than zero) |
* greater than zero) |
854 |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
855 |
* or if \a iNewSize is less than 1 |
* @throws DLS::Exception if \a NewSize is less than 1 or unrealistic large |
856 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
857 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
858 |
* DLS::Sample::FormatTag, File::Save() |
* DLS::Sample::FormatTag, File::Save() |
859 |
*/ |
*/ |
860 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(file_offset_t NewSize) { |
861 |
if (Compressed) throw gig::Exception("There is no support for modifying compressed samples (yet)"); |
if (Compressed) throw gig::Exception("There is no support for modifying compressed samples (yet)"); |
862 |
DLS::Sample::Resize(iNewSize); |
DLS::Sample::Resize(NewSize); |
863 |
} |
} |
864 |
|
|
865 |
/** |
/** |
883 |
* @returns the new sample position |
* @returns the new sample position |
884 |
* @see Read() |
* @see Read() |
885 |
*/ |
*/ |
886 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
file_offset_t Sample::SetPos(file_offset_t SampleCount, RIFF::stream_whence_t Whence) { |
887 |
if (Compressed) { |
if (Compressed) { |
888 |
switch (Whence) { |
switch (Whence) { |
889 |
case RIFF::stream_curpos: |
case RIFF::stream_curpos: |
901 |
} |
} |
902 |
if (this->SamplePos > this->SamplesTotal) this->SamplePos = this->SamplesTotal; |
if (this->SamplePos > this->SamplesTotal) this->SamplePos = this->SamplesTotal; |
903 |
|
|
904 |
unsigned long frame = this->SamplePos / 2048; // to which frame to jump |
file_offset_t frame = this->SamplePos / 2048; // to which frame to jump |
905 |
this->FrameOffset = this->SamplePos % 2048; // offset (in sample points) within that frame |
this->FrameOffset = this->SamplePos % 2048; // offset (in sample points) within that frame |
906 |
pCkData->SetPos(FrameTable[frame]); // set chunk pointer to the start of sought frame |
pCkData->SetPos(FrameTable[frame]); // set chunk pointer to the start of sought frame |
907 |
return this->SamplePos; |
return this->SamplePos; |
908 |
} |
} |
909 |
else { // not compressed |
else { // not compressed |
910 |
unsigned long orderedBytes = SampleCount * this->FrameSize; |
file_offset_t orderedBytes = SampleCount * this->FrameSize; |
911 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
file_offset_t result = pCkData->SetPos(orderedBytes, Whence); |
912 |
return (result == orderedBytes) ? SampleCount |
return (result == orderedBytes) ? SampleCount |
913 |
: result / this->FrameSize; |
: result / this->FrameSize; |
914 |
} |
} |
917 |
/** |
/** |
918 |
* Returns the current position in the sample (in sample points). |
* Returns the current position in the sample (in sample points). |
919 |
*/ |
*/ |
920 |
unsigned long Sample::GetPos() const { |
file_offset_t Sample::GetPos() const { |
921 |
if (Compressed) return SamplePos; |
if (Compressed) return SamplePos; |
922 |
else return pCkData->GetPos() / FrameSize; |
else return pCkData->GetPos() / FrameSize; |
923 |
} |
} |
956 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
957 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
958 |
*/ |
*/ |
959 |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, |
file_offset_t Sample::ReadAndLoop(void* pBuffer, file_offset_t SampleCount, playback_state_t* pPlaybackState, |
960 |
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
961 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
file_offset_t samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
962 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
963 |
|
|
964 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
996 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
997 |
// backward playback |
// backward playback |
998 |
|
|
999 |
unsigned long swapareastart = totalreadsamples; |
file_offset_t swapareastart = totalreadsamples; |
1000 |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
file_offset_t loopoffset = GetPos() - loop.LoopStart; |
1001 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
file_offset_t samplestoreadinloop = Min(samplestoread, loopoffset); |
1002 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
file_offset_t reverseplaybackend = GetPos() - samplestoreadinloop; |
1003 |
|
|
1004 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
1005 |
|
|
1047 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
1048 |
// backward playback |
// backward playback |
1049 |
|
|
1050 |
unsigned long swapareastart = totalreadsamples; |
file_offset_t swapareastart = totalreadsamples; |
1051 |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
file_offset_t loopoffset = GetPos() - loop.LoopStart; |
1052 |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
file_offset_t samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
1053 |
: samplestoread; |
: samplestoread; |
1054 |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
file_offset_t reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
1055 |
|
|
1056 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
1057 |
|
|
1131 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
1132 |
* @see SetPos(), CreateDecompressionBuffer() |
* @see SetPos(), CreateDecompressionBuffer() |
1133 |
*/ |
*/ |
1134 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount, buffer_t* pExternalDecompressionBuffer) { |
file_offset_t Sample::Read(void* pBuffer, file_offset_t SampleCount, buffer_t* pExternalDecompressionBuffer) { |
1135 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
1136 |
if (!Compressed) { |
if (!Compressed) { |
1137 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1146 |
else { |
else { |
1147 |
if (this->SamplePos >= this->SamplesTotal) return 0; |
if (this->SamplePos >= this->SamplesTotal) return 0; |
1148 |
//TODO: efficiency: maybe we should test for an average compression rate |
//TODO: efficiency: maybe we should test for an average compression rate |
1149 |
unsigned long assumedsize = GuessSize(SampleCount), |
file_offset_t assumedsize = GuessSize(SampleCount), |
1150 |
remainingbytes = 0, // remaining bytes in the local buffer |
remainingbytes = 0, // remaining bytes in the local buffer |
1151 |
remainingsamples = SampleCount, |
remainingsamples = SampleCount, |
1152 |
copysamples, skipsamples, |
copysamples, skipsamples, |
1169 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
1170 |
|
|
1171 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1172 |
unsigned long framesamples = SamplesPerFrame; |
file_offset_t framesamples = SamplesPerFrame; |
1173 |
unsigned long framebytes, rightChannelOffset = 0, nextFrameOffset; |
file_offset_t framebytes, rightChannelOffset = 0, nextFrameOffset; |
1174 |
|
|
1175 |
int mode_l = *pSrc++, mode_r = 0; |
int mode_l = *pSrc++, mode_r = 0; |
1176 |
|
|
1320 |
* @throws gig::Exception if sample is compressed |
* @throws gig::Exception if sample is compressed |
1321 |
* @see DLS::LoadSampleData() |
* @see DLS::LoadSampleData() |
1322 |
*/ |
*/ |
1323 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
file_offset_t Sample::Write(void* pBuffer, file_offset_t SampleCount) { |
1324 |
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
1325 |
|
|
1326 |
// if this is the first write in this sample, reset the |
// if this is the first write in this sample, reset the |
1329 |
__resetCRC(crc); |
__resetCRC(crc); |
1330 |
} |
} |
1331 |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1332 |
unsigned long res; |
file_offset_t res; |
1333 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1334 |
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1335 |
} else { // 16 bit |
} else { // 16 bit |
1341 |
// if this is the last write, update the checksum chunk in the |
// if this is the last write, update the checksum chunk in the |
1342 |
// file |
// file |
1343 |
if (pCkData->GetPos() == pCkData->GetSize()) { |
if (pCkData->GetPos() == pCkData->GetSize()) { |
1344 |
|
__finalizeCRC(crc); |
1345 |
File* pFile = static_cast<File*>(GetParent()); |
File* pFile = static_cast<File*>(GetParent()); |
1346 |
pFile->SetSampleChecksum(this, __encodeCRC(crc)); |
pFile->SetSampleChecksum(this, crc); |
1347 |
} |
} |
1348 |
return res; |
return res; |
1349 |
} |
} |
1364 |
* @returns allocated decompression buffer |
* @returns allocated decompression buffer |
1365 |
* @see DestroyDecompressionBuffer() |
* @see DestroyDecompressionBuffer() |
1366 |
*/ |
*/ |
1367 |
buffer_t Sample::CreateDecompressionBuffer(unsigned long MaxReadSize) { |
buffer_t Sample::CreateDecompressionBuffer(file_offset_t MaxReadSize) { |
1368 |
buffer_t result; |
buffer_t result; |
1369 |
const double worstCaseHeaderOverhead = |
const double worstCaseHeaderOverhead = |
1370 |
(256.0 /*frame size*/ + 12.0 /*header*/ + 2.0 /*compression type flag (stereo)*/) / 256.0; |
(256.0 /*frame size*/ + 12.0 /*header*/ + 2.0 /*compression type flag (stereo)*/) / 256.0; |
1371 |
result.Size = (unsigned long) (double(MaxReadSize) * 3.0 /*(24 Bit)*/ * 2.0 /*stereo*/ * worstCaseHeaderOverhead); |
result.Size = (file_offset_t) (double(MaxReadSize) * 3.0 /*(24 Bit)*/ * 2.0 /*stereo*/ * worstCaseHeaderOverhead); |
1372 |
result.pStart = new int8_t[result.Size]; |
result.pStart = new int8_t[result.Size]; |
1373 |
result.NullExtensionSize = 0; |
result.NullExtensionSize = 0; |
1374 |
return result; |
return result; |
1402 |
return pGroup; |
return pGroup; |
1403 |
} |
} |
1404 |
|
|
1405 |
|
/** |
1406 |
|
* Returns the CRC-32 checksum of the sample's raw wave form data at the |
1407 |
|
* time when this sample's wave form data was modified for the last time |
1408 |
|
* by calling Write(). This checksum only covers the raw wave form data, |
1409 |
|
* not any meta informations like i.e. bit depth or loop points. Since |
1410 |
|
* this method just returns the checksum stored for this sample i.e. when |
1411 |
|
* the gig file was loaded, this method returns immediately. So it does no |
1412 |
|
* recalcuation of the checksum with the currently available sample wave |
1413 |
|
* form data. |
1414 |
|
* |
1415 |
|
* @see VerifyWaveData() |
1416 |
|
*/ |
1417 |
|
uint32_t Sample::GetWaveDataCRC32Checksum() { |
1418 |
|
return crc; |
1419 |
|
} |
1420 |
|
|
1421 |
|
/** |
1422 |
|
* Checks the integrity of this sample's raw audio wave data. Whenever a |
1423 |
|
* Sample's raw wave data is intentionally modified (i.e. by calling |
1424 |
|
* Write() and supplying the new raw audio wave form data) a CRC32 checksum |
1425 |
|
* is calculated and stored/updated for this sample, along to the sample's |
1426 |
|
* meta informations. |
1427 |
|
* |
1428 |
|
* Now by calling this method the current raw audio wave data is checked |
1429 |
|
* against the already stored CRC32 check sum in order to check whether the |
1430 |
|
* sample data had been damaged unintentionally for some reason. Since by |
1431 |
|
* calling this method always the entire raw audio wave data has to be |
1432 |
|
* read, verifying all samples this way may take a long time accordingly. |
1433 |
|
* And that's also the reason why the sample integrity is not checked by |
1434 |
|
* default whenever a gig file is loaded. So this method must be called |
1435 |
|
* explicitly to fulfill this task. |
1436 |
|
* |
1437 |
|
* @param pActually - (optional) if provided, will be set to the actually |
1438 |
|
* calculated checksum of the current raw wave form data, |
1439 |
|
* you can get the expected checksum instead by calling |
1440 |
|
* GetWaveDataCRC32Checksum() |
1441 |
|
* @returns true if sample is OK or false if the sample is damaged |
1442 |
|
* @throws Exception if no checksum had been stored to disk for this |
1443 |
|
* sample yet, or on I/O issues |
1444 |
|
* @see GetWaveDataCRC32Checksum() |
1445 |
|
*/ |
1446 |
|
bool Sample::VerifyWaveData(uint32_t* pActually) { |
1447 |
|
//File* pFile = static_cast<File*>(GetParent()); |
1448 |
|
uint32_t crc = CalculateWaveDataChecksum(); |
1449 |
|
if (pActually) *pActually = crc; |
1450 |
|
return crc == this->crc; |
1451 |
|
} |
1452 |
|
|
1453 |
|
uint32_t Sample::CalculateWaveDataChecksum() { |
1454 |
|
const size_t sz = 20*1024; // 20kB buffer size |
1455 |
|
std::vector<uint8_t> buffer(sz); |
1456 |
|
buffer.resize(sz); |
1457 |
|
|
1458 |
|
const size_t n = sz / FrameSize; |
1459 |
|
SetPos(0); |
1460 |
|
uint32_t crc = 0; |
1461 |
|
__resetCRC(crc); |
1462 |
|
while (true) { |
1463 |
|
file_offset_t nRead = Read(&buffer[0], n); |
1464 |
|
if (nRead <= 0) break; |
1465 |
|
__calculateCRC(&buffer[0], nRead * FrameSize, crc); |
1466 |
|
} |
1467 |
|
__finalizeCRC(crc); |
1468 |
|
return crc; |
1469 |
|
} |
1470 |
|
|
1471 |
Sample::~Sample() { |
Sample::~Sample() { |
1472 |
Instances--; |
Instances--; |
1473 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
1484 |
// *************** DimensionRegion *************** |
// *************** DimensionRegion *************** |
1485 |
// * |
// * |
1486 |
|
|
1487 |
uint DimensionRegion::Instances = 0; |
size_t DimensionRegion::Instances = 0; |
1488 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1489 |
|
|
1490 |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1678 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1679 |
EG2Decay1 = 0.005; |
EG2Decay1 = 0.005; |
1680 |
EG2Sustain = 1000; |
EG2Sustain = 1000; |
1681 |
EG2Release = 0.3; |
EG2Release = 60; |
1682 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1683 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1684 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1732 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1733 |
memset(DimensionUpperLimits, 127, 8); |
memset(DimensionUpperLimits, 127, 8); |
1734 |
} |
} |
1735 |
|
// format extension for EG behavior options, these will *NOT* work with |
1736 |
|
// Gigasampler/GigaStudio ! |
1737 |
|
RIFF::Chunk* lsde = _3ewl->GetSubChunk(CHUNK_ID_LSDE); |
1738 |
|
if (lsde) { |
1739 |
|
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
1740 |
|
for (int i = 0; i < 2; ++i) { |
1741 |
|
unsigned char byte = lsde->ReadUint8(); |
1742 |
|
pEGOpts[i]->AttackCancel = byte & 1; |
1743 |
|
pEGOpts[i]->AttackHoldCancel = byte & (1 << 1); |
1744 |
|
pEGOpts[i]->Decay1Cancel = byte & (1 << 2); |
1745 |
|
pEGOpts[i]->Decay2Cancel = byte & (1 << 3); |
1746 |
|
pEGOpts[i]->ReleaseCancel = byte & (1 << 4); |
1747 |
|
} |
1748 |
|
} |
1749 |
|
|
1750 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1751 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1851 |
} |
} |
1852 |
} |
} |
1853 |
|
|
1854 |
|
void DimensionRegion::serialize(Serialization::Archive* archive) { |
1855 |
|
// in case this class will become backward incompatible one day, |
1856 |
|
// then set a version and minimum version for this class like: |
1857 |
|
//archive->setVersion(*this, 2); |
1858 |
|
//archive->setMinVersion(*this, 1); |
1859 |
|
|
1860 |
|
SRLZ(VelocityUpperLimit); |
1861 |
|
SRLZ(EG1PreAttack); |
1862 |
|
SRLZ(EG1Attack); |
1863 |
|
SRLZ(EG1Decay1); |
1864 |
|
SRLZ(EG1Decay2); |
1865 |
|
SRLZ(EG1InfiniteSustain); |
1866 |
|
SRLZ(EG1Sustain); |
1867 |
|
SRLZ(EG1Release); |
1868 |
|
SRLZ(EG1Hold); |
1869 |
|
SRLZ(EG1Controller); |
1870 |
|
SRLZ(EG1ControllerInvert); |
1871 |
|
SRLZ(EG1ControllerAttackInfluence); |
1872 |
|
SRLZ(EG1ControllerDecayInfluence); |
1873 |
|
SRLZ(EG1ControllerReleaseInfluence); |
1874 |
|
SRLZ(LFO1Frequency); |
1875 |
|
SRLZ(LFO1InternalDepth); |
1876 |
|
SRLZ(LFO1ControlDepth); |
1877 |
|
SRLZ(LFO1Controller); |
1878 |
|
SRLZ(LFO1FlipPhase); |
1879 |
|
SRLZ(LFO1Sync); |
1880 |
|
SRLZ(EG2PreAttack); |
1881 |
|
SRLZ(EG2Attack); |
1882 |
|
SRLZ(EG2Decay1); |
1883 |
|
SRLZ(EG2Decay2); |
1884 |
|
SRLZ(EG2InfiniteSustain); |
1885 |
|
SRLZ(EG2Sustain); |
1886 |
|
SRLZ(EG2Release); |
1887 |
|
SRLZ(EG2Controller); |
1888 |
|
SRLZ(EG2ControllerInvert); |
1889 |
|
SRLZ(EG2ControllerAttackInfluence); |
1890 |
|
SRLZ(EG2ControllerDecayInfluence); |
1891 |
|
SRLZ(EG2ControllerReleaseInfluence); |
1892 |
|
SRLZ(LFO2Frequency); |
1893 |
|
SRLZ(LFO2InternalDepth); |
1894 |
|
SRLZ(LFO2ControlDepth); |
1895 |
|
SRLZ(LFO2Controller); |
1896 |
|
SRLZ(LFO2FlipPhase); |
1897 |
|
SRLZ(LFO2Sync); |
1898 |
|
SRLZ(EG3Attack); |
1899 |
|
SRLZ(EG3Depth); |
1900 |
|
SRLZ(LFO3Frequency); |
1901 |
|
SRLZ(LFO3InternalDepth); |
1902 |
|
SRLZ(LFO3ControlDepth); |
1903 |
|
SRLZ(LFO3Controller); |
1904 |
|
SRLZ(LFO3Sync); |
1905 |
|
SRLZ(VCFEnabled); |
1906 |
|
SRLZ(VCFType); |
1907 |
|
SRLZ(VCFCutoffController); |
1908 |
|
SRLZ(VCFCutoffControllerInvert); |
1909 |
|
SRLZ(VCFCutoff); |
1910 |
|
SRLZ(VCFVelocityCurve); |
1911 |
|
SRLZ(VCFVelocityScale); |
1912 |
|
SRLZ(VCFVelocityDynamicRange); |
1913 |
|
SRLZ(VCFResonance); |
1914 |
|
SRLZ(VCFResonanceDynamic); |
1915 |
|
SRLZ(VCFResonanceController); |
1916 |
|
SRLZ(VCFKeyboardTracking); |
1917 |
|
SRLZ(VCFKeyboardTrackingBreakpoint); |
1918 |
|
SRLZ(VelocityResponseCurve); |
1919 |
|
SRLZ(VelocityResponseDepth); |
1920 |
|
SRLZ(VelocityResponseCurveScaling); |
1921 |
|
SRLZ(ReleaseVelocityResponseCurve); |
1922 |
|
SRLZ(ReleaseVelocityResponseDepth); |
1923 |
|
SRLZ(ReleaseTriggerDecay); |
1924 |
|
SRLZ(Crossfade); |
1925 |
|
SRLZ(PitchTrack); |
1926 |
|
SRLZ(DimensionBypass); |
1927 |
|
SRLZ(Pan); |
1928 |
|
SRLZ(SelfMask); |
1929 |
|
SRLZ(AttenuationController); |
1930 |
|
SRLZ(InvertAttenuationController); |
1931 |
|
SRLZ(AttenuationControllerThreshold); |
1932 |
|
SRLZ(ChannelOffset); |
1933 |
|
SRLZ(SustainDefeat); |
1934 |
|
SRLZ(MSDecode); |
1935 |
|
//SRLZ(SampleStartOffset); |
1936 |
|
SRLZ(SampleAttenuation); |
1937 |
|
SRLZ(EG1Options); |
1938 |
|
SRLZ(EG2Options); |
1939 |
|
|
1940 |
|
// derived attributes from DLS::Sampler |
1941 |
|
SRLZ(FineTune); |
1942 |
|
SRLZ(Gain); |
1943 |
|
} |
1944 |
|
|
1945 |
/** |
/** |
1946 |
* Updates the respective member variable and updates @c SampleAttenuation |
* Updates the respective member variable and updates @c SampleAttenuation |
1947 |
* which depends on this value. |
* which depends on this value. |
1957 |
* |
* |
1958 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
1959 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
1960 |
|
* |
1961 |
|
* @param pProgress - callback function for progress notification |
1962 |
*/ |
*/ |
1963 |
void DimensionRegion::UpdateChunks() { |
void DimensionRegion::UpdateChunks(progress_t* pProgress) { |
1964 |
// first update base class's chunk |
// first update base class's chunk |
1965 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(pProgress); |
1966 |
|
|
1967 |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1968 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1982 |
|
|
1983 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1984 |
|
|
1985 |
const uint32_t chunksize = _3ewa->GetNewSize(); |
const uint32_t chunksize = (uint32_t) _3ewa->GetNewSize(); |
1986 |
store32(&pData[0], chunksize); // unknown, always chunk size? |
store32(&pData[0], chunksize); // unknown, always chunk size? |
1987 |
|
|
1988 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
2242 |
if (chunksize >= 148) { |
if (chunksize >= 148) { |
2243 |
memcpy(&pData[140], DimensionUpperLimits, 8); |
memcpy(&pData[140], DimensionUpperLimits, 8); |
2244 |
} |
} |
2245 |
|
|
2246 |
|
// format extension for EG behavior options, these will *NOT* work with |
2247 |
|
// Gigasampler/GigaStudio ! |
2248 |
|
RIFF::Chunk* lsde = pParentList->GetSubChunk(CHUNK_ID_LSDE); |
2249 |
|
if (!lsde) { |
2250 |
|
// only add this "LSDE" chunk if the EG options do not match the |
2251 |
|
// default EG behavior |
2252 |
|
eg_opt_t defaultOpt; |
2253 |
|
if (memcmp(&EG1Options, &defaultOpt, sizeof(eg_opt_t)) || |
2254 |
|
memcmp(&EG2Options, &defaultOpt, sizeof(eg_opt_t))) |
2255 |
|
{ |
2256 |
|
lsde = pParentList->AddSubChunk(CHUNK_ID_LSDE, 2); |
2257 |
|
// move LSDE chunk to the end of parent list |
2258 |
|
pParentList->MoveSubChunk(lsde, (RIFF::Chunk*)NULL); |
2259 |
|
} |
2260 |
|
} |
2261 |
|
if (lsde) { |
2262 |
|
unsigned char* pData = (unsigned char*) lsde->LoadChunkData(); |
2263 |
|
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
2264 |
|
for (int i = 0; i < 2; ++i) { |
2265 |
|
pData[i] = |
2266 |
|
(pEGOpts[i]->AttackCancel ? 1 : 0) | |
2267 |
|
(pEGOpts[i]->AttackHoldCancel ? (1<<1) : 0) | |
2268 |
|
(pEGOpts[i]->Decay1Cancel ? (1<<2) : 0) | |
2269 |
|
(pEGOpts[i]->Decay2Cancel ? (1<<3) : 0) | |
2270 |
|
(pEGOpts[i]->ReleaseCancel ? (1<<4) : 0); |
2271 |
|
} |
2272 |
|
} |
2273 |
} |
} |
2274 |
|
|
2275 |
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
2309 |
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
2310 |
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
2311 |
{ |
{ |
2312 |
|
// sanity check input parameters |
2313 |
|
// (fallback to some default parameters on ill input) |
2314 |
|
switch (curveType) { |
2315 |
|
case curve_type_nonlinear: |
2316 |
|
case curve_type_linear: |
2317 |
|
if (depth > 4) { |
2318 |
|
printf("Warning: Invalid depth (0x%x) for velocity curve type (0x%x).\n", depth, curveType); |
2319 |
|
depth = 0; |
2320 |
|
scaling = 0; |
2321 |
|
} |
2322 |
|
break; |
2323 |
|
case curve_type_special: |
2324 |
|
if (depth > 5) { |
2325 |
|
printf("Warning: Invalid depth (0x%x) for velocity curve type 'special'.\n", depth); |
2326 |
|
depth = 0; |
2327 |
|
scaling = 0; |
2328 |
|
} |
2329 |
|
break; |
2330 |
|
case curve_type_unknown: |
2331 |
|
default: |
2332 |
|
printf("Warning: Unknown velocity curve type (0x%x).\n", curveType); |
2333 |
|
curveType = curve_type_linear; |
2334 |
|
depth = 0; |
2335 |
|
scaling = 0; |
2336 |
|
break; |
2337 |
|
} |
2338 |
|
|
2339 |
double* table; |
double* table; |
2340 |
uint32_t tableKey = (curveType<<16) | (depth<<8) | scaling; |
uint32_t tableKey = (curveType<<16) | (depth<<8) | scaling; |
2341 |
if (pVelocityTables->count(tableKey)) { // if key exists |
if (pVelocityTables->count(tableKey)) { // if key exists |
2711 |
|
|
2712 |
// unknown controller type |
// unknown controller type |
2713 |
default: |
default: |
2714 |
throw gig::Exception("Unknown leverage controller type."); |
decodedcontroller.type = leverage_ctrl_t::type_none; |
2715 |
|
decodedcontroller.controller_number = 0; |
2716 |
|
printf("Warning: Unknown leverage controller type (0x%x).\n", EncodedController); |
2717 |
|
break; |
2718 |
} |
} |
2719 |
return decodedcontroller; |
return decodedcontroller; |
2720 |
} |
} |
3261 |
if (file->GetAutoLoad()) { |
if (file->GetAutoLoad()) { |
3262 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
3263 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
3264 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable && pDimensionRegions[i]) |
3265 |
|
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
3266 |
} |
} |
3267 |
GetSample(); // load global region sample reference |
GetSample(); // load global region sample reference |
3268 |
} |
} |
3292 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
3293 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
3294 |
* |
* |
3295 |
|
* @param pProgress - callback function for progress notification |
3296 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
3297 |
*/ |
*/ |
3298 |
void Region::UpdateChunks() { |
void Region::UpdateChunks(progress_t* pProgress) { |
3299 |
// in the gig format we don't care about the Region's sample reference |
// in the gig format we don't care about the Region's sample reference |
3300 |
// but we still have to provide some existing one to not corrupt the |
// but we still have to provide some existing one to not corrupt the |
3301 |
// file, so to avoid the latter we simply always assign the sample of |
// file, so to avoid the latter we simply always assign the sample of |
3303 |
pSample = pDimensionRegions[0]->pSample; |
pSample = pDimensionRegions[0]->pSample; |
3304 |
|
|
3305 |
// first update base class's chunks |
// first update base class's chunks |
3306 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(pProgress); |
3307 |
|
|
3308 |
// update dimension region's chunks |
// update dimension region's chunks |
3309 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
3310 |
pDimensionRegions[i]->UpdateChunks(); |
pDimensionRegions[i]->UpdateChunks(pProgress); |
3311 |
} |
} |
3312 |
|
|
3313 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
3397 |
int step = 1; |
int step = 1; |
3398 |
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
3399 |
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
|
int end = step * pDimensionDefinitions[veldim].zones; |
|
3400 |
|
|
3401 |
// loop through all dimension regions for all dimensions except the velocity dimension |
// loop through all dimension regions for all dimensions except the velocity dimension |
3402 |
int dim[8] = { 0 }; |
int dim[8] = { 0 }; |
3403 |
for (int i = 0 ; i < DimensionRegions ; i++) { |
for (int i = 0 ; i < DimensionRegions ; i++) { |
3404 |
|
const int end = i + step * pDimensionDefinitions[veldim].zones; |
3405 |
|
|
3406 |
|
// create a velocity table for all cases where the velocity zone is zero |
3407 |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
3408 |
pDimensionRegions[i]->VelocityUpperLimit) { |
pDimensionRegions[i]->VelocityUpperLimit) { |
3409 |
// create the velocity table |
// create the velocity table |
3434 |
} |
} |
3435 |
} |
} |
3436 |
|
|
3437 |
|
// jump to the next case where the velocity zone is zero |
3438 |
int j; |
int j; |
3439 |
int shift = 0; |
int shift = 0; |
3440 |
for (j = 0 ; j < Dimensions ; j++) { |
for (j = 0 ; j < Dimensions ; j++) { |
3921 |
UpdateVelocityTable(); |
UpdateVelocityTable(); |
3922 |
} |
} |
3923 |
|
|
3924 |
|
/** @brief Change type of an existing dimension. |
3925 |
|
* |
3926 |
|
* Alters the dimension type of a dimension already existing on this |
3927 |
|
* region. If there is currently no dimension on this Region with type |
3928 |
|
* @a oldType, then this call with throw an Exception. Likewise there are |
3929 |
|
* cases where the requested dimension type cannot be performed. For example |
3930 |
|
* if the new dimension type shall be gig::dimension_samplechannel, and the |
3931 |
|
* current dimension has more than 2 zones. In such cases an Exception is |
3932 |
|
* thrown as well. |
3933 |
|
* |
3934 |
|
* @param oldType - identifies the existing dimension to be changed |
3935 |
|
* @param newType - to which dimension type it should be changed to |
3936 |
|
* @throws gig::Exception if requested change cannot be performed |
3937 |
|
*/ |
3938 |
|
void Region::SetDimensionType(dimension_t oldType, dimension_t newType) { |
3939 |
|
if (oldType == newType) return; |
3940 |
|
dimension_def_t* def = GetDimensionDefinition(oldType); |
3941 |
|
if (!def) |
3942 |
|
throw gig::Exception("No dimension with provided old dimension type exists on this region"); |
3943 |
|
if (newType == dimension_samplechannel && def->zones != 2) |
3944 |
|
throw gig::Exception("Cannot change to dimension type 'sample channel', because existing dimension does not have 2 zones"); |
3945 |
|
if (GetDimensionDefinition(newType)) |
3946 |
|
throw gig::Exception("There is already a dimension with requested new dimension type on this region"); |
3947 |
|
def->dimension = newType; |
3948 |
|
def->split_type = __resolveSplitType(newType); |
3949 |
|
} |
3950 |
|
|
3951 |
DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) { |
DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) { |
3952 |
uint8_t bits[8] = {}; |
uint8_t bits[8] = {}; |
3953 |
for (std::map<dimension_t,int>::const_iterator it = DimCase.begin(); |
for (std::map<dimension_t,int>::const_iterator it = DimCase.begin(); |
4009 |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
4010 |
uint8_t bits; |
uint8_t bits; |
4011 |
int veldim = -1; |
int veldim = -1; |
4012 |
int velbitpos; |
int velbitpos = 0; |
4013 |
int bitpos = 0; |
int bitpos = 0; |
4014 |
int dimregidx = 0; |
int dimregidx = 0; |
4015 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
4058 |
int Region::GetDimensionRegionIndexByValue(const uint DimValues[8]) { |
int Region::GetDimensionRegionIndexByValue(const uint DimValues[8]) { |
4059 |
uint8_t bits; |
uint8_t bits; |
4060 |
int veldim = -1; |
int veldim = -1; |
4061 |
int velbitpos; |
int velbitpos = 0; |
4062 |
int bitpos = 0; |
int bitpos = 0; |
4063 |
int dimregidx = 0; |
int dimregidx = 0; |
4064 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
4143 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
4144 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
4145 |
if (!file->pWavePoolTable) return NULL; |
if (!file->pWavePoolTable) return NULL; |
4146 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
// for new files or files >= 2 GB use 64 bit wave pool offsets |
4147 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
if (file->pRIFF->IsNew() || (file->pRIFF->GetCurrentFileSize() >> 31)) { |
4148 |
Sample* sample = file->GetFirstSample(pProgress); |
// use 64 bit wave pool offsets (treating this as large file) |
4149 |
while (sample) { |
uint64_t soughtoffset = |
4150 |
if (sample->ulWavePoolOffset == soughtoffset && |
uint64_t(file->pWavePoolTable[WavePoolTableIndex]) | |
4151 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
uint64_t(file->pWavePoolTableHi[WavePoolTableIndex]) << 32; |
4152 |
sample = file->GetNextSample(); |
Sample* sample = file->GetFirstSample(pProgress); |
4153 |
|
while (sample) { |
4154 |
|
if (sample->ullWavePoolOffset == soughtoffset) |
4155 |
|
return static_cast<gig::Sample*>(sample); |
4156 |
|
sample = file->GetNextSample(); |
4157 |
|
} |
4158 |
|
} else { |
4159 |
|
// use extension files and 32 bit wave pool offsets |
4160 |
|
file_offset_t soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
4161 |
|
file_offset_t soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
4162 |
|
Sample* sample = file->GetFirstSample(pProgress); |
4163 |
|
while (sample) { |
4164 |
|
if (sample->ullWavePoolOffset == soughtoffset && |
4165 |
|
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
4166 |
|
sample = file->GetNextSample(); |
4167 |
|
} |
4168 |
} |
} |
4169 |
return NULL; |
return NULL; |
4170 |
} |
} |
4407 |
// to handle potential future extensions of the header |
// to handle potential future extensions of the header |
4408 |
ckScri->SetPos(sizeof(int32_t) + headerSize); |
ckScri->SetPos(sizeof(int32_t) + headerSize); |
4409 |
// read actual script data |
// read actual script data |
4410 |
uint32_t scriptSize = ckScri->GetSize() - ckScri->GetPos(); |
uint32_t scriptSize = uint32_t(ckScri->GetSize() - ckScri->GetPos()); |
4411 |
data.resize(scriptSize); |
data.resize(scriptSize); |
4412 |
for (int i = 0; i < scriptSize; ++i) |
for (int i = 0; i < scriptSize; ++i) |
4413 |
data[i] = ckScri->ReadUint8(); |
data[i] = ckScri->ReadUint8(); |
4445 |
memcpy(&data[0], &text[0], text.size()); |
memcpy(&data[0], &text[0], text.size()); |
4446 |
} |
} |
4447 |
|
|
4448 |
void Script::UpdateChunks() { |
/** |
4449 |
|
* Apply this script to the respective RIFF chunks. You have to call |
4450 |
|
* File::Save() to make changes persistent. |
4451 |
|
* |
4452 |
|
* Usually there is absolutely no need to call this method explicitly. |
4453 |
|
* It will be called automatically when File::Save() was called. |
4454 |
|
* |
4455 |
|
* @param pProgress - callback function for progress notification |
4456 |
|
*/ |
4457 |
|
void Script::UpdateChunks(progress_t* pProgress) { |
4458 |
// recalculate CRC32 check sum |
// recalculate CRC32 check sum |
4459 |
__resetCRC(crc); |
__resetCRC(crc); |
4460 |
__calculateCRC(&data[0], data.size(), crc); |
__calculateCRC(&data[0], data.size(), crc); |
4461 |
__encodeCRC(crc); |
__finalizeCRC(crc); |
4462 |
// make sure chunk exists and has the required size |
// make sure chunk exists and has the required size |
4463 |
const int chunkSize = 7*sizeof(int32_t) + Name.size() + data.size(); |
const file_offset_t chunkSize = (file_offset_t) 7*sizeof(int32_t) + Name.size() + data.size(); |
4464 |
if (!pChunk) pChunk = pGroup->pList->AddSubChunk(CHUNK_ID_SCRI, chunkSize); |
if (!pChunk) pChunk = pGroup->pList->AddSubChunk(CHUNK_ID_SCRI, chunkSize); |
4465 |
else pChunk->Resize(chunkSize); |
else pChunk->Resize(chunkSize); |
4466 |
// fill the chunk data to be written to disk |
// fill the chunk data to be written to disk |
4467 |
uint8_t* pData = (uint8_t*) pChunk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pChunk->LoadChunkData(); |
4468 |
int pos = 0; |
int pos = 0; |
4469 |
store32(&pData[pos], 6*sizeof(int32_t) + Name.size()); // total header size |
store32(&pData[pos], uint32_t(6*sizeof(int32_t) + Name.size())); // total header size |
4470 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4471 |
store32(&pData[pos], Compression); |
store32(&pData[pos], Compression); |
4472 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4478 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4479 |
store32(&pData[pos], crc); |
store32(&pData[pos], crc); |
4480 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4481 |
store32(&pData[pos], Name.size()); |
store32(&pData[pos], (uint32_t) Name.size()); |
4482 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4483 |
for (int i = 0; i < Name.size(); ++i, ++pos) |
for (int i = 0; i < Name.size(); ++i, ++pos) |
4484 |
pData[pos] = Name[i]; |
pData[pos] = Name[i]; |
4493 |
* @param pGroup - script's new group |
* @param pGroup - script's new group |
4494 |
*/ |
*/ |
4495 |
void Script::SetGroup(ScriptGroup* pGroup) { |
void Script::SetGroup(ScriptGroup* pGroup) { |
4496 |
if (this->pGroup = pGroup) return; |
if (this->pGroup == pGroup) return; |
4497 |
if (pChunk) |
if (pChunk) |
4498 |
pChunk->GetParent()->MoveSubChunk(pChunk, pGroup->pList); |
pChunk->GetParent()->MoveSubChunk(pChunk, pGroup->pList); |
4499 |
this->pGroup = pGroup; |
this->pGroup = pGroup; |
4509 |
return pGroup; |
return pGroup; |
4510 |
} |
} |
4511 |
|
|
4512 |
|
/** |
4513 |
|
* Make a (semi) deep copy of the Script object given by @a orig |
4514 |
|
* and assign it to this object. Note: the ScriptGroup this Script |
4515 |
|
* object belongs to remains untouched by this call. |
4516 |
|
* |
4517 |
|
* @param orig - original Script object to be copied from |
4518 |
|
*/ |
4519 |
|
void Script::CopyAssign(const Script* orig) { |
4520 |
|
Name = orig->Name; |
4521 |
|
Compression = orig->Compression; |
4522 |
|
Encoding = orig->Encoding; |
4523 |
|
Language = orig->Language; |
4524 |
|
Bypass = orig->Bypass; |
4525 |
|
data = orig->data; |
4526 |
|
} |
4527 |
|
|
4528 |
void Script::RemoveAllScriptReferences() { |
void Script::RemoveAllScriptReferences() { |
4529 |
File* pFile = pGroup->pFile; |
File* pFile = pGroup->pFile; |
4530 |
for (int i = 0; pFile->GetInstrument(i); ++i) { |
for (int i = 0; pFile->GetInstrument(i); ++i) { |
4560 |
} |
} |
4561 |
} |
} |
4562 |
|
|
4563 |
void ScriptGroup::UpdateChunks() { |
/** |
4564 |
|
* Apply this script group to the respective RIFF chunks. You have to call |
4565 |
|
* File::Save() to make changes persistent. |
4566 |
|
* |
4567 |
|
* Usually there is absolutely no need to call this method explicitly. |
4568 |
|
* It will be called automatically when File::Save() was called. |
4569 |
|
* |
4570 |
|
* @param pProgress - callback function for progress notification |
4571 |
|
*/ |
4572 |
|
void ScriptGroup::UpdateChunks(progress_t* pProgress) { |
4573 |
if (pScripts) { |
if (pScripts) { |
4574 |
if (!pList) |
if (!pList) |
4575 |
pList = pFile->pRIFF->GetSubList(LIST_TYPE_3LS)->AddSubList(LIST_TYPE_RTIS); |
pList = pFile->pRIFF->GetSubList(LIST_TYPE_3LS)->AddSubList(LIST_TYPE_RTIS); |
4580 |
for (std::list<Script*>::iterator it = pScripts->begin(); |
for (std::list<Script*>::iterator it = pScripts->begin(); |
4581 |
it != pScripts->end(); ++it) |
it != pScripts->end(); ++it) |
4582 |
{ |
{ |
4583 |
(*it)->UpdateChunks(); |
(*it)->UpdateChunks(pProgress); |
4584 |
} |
} |
4585 |
} |
} |
4586 |
} |
} |
4671 |
EffectSend = 0; |
EffectSend = 0; |
4672 |
Attenuation = 0; |
Attenuation = 0; |
4673 |
FineTune = 0; |
FineTune = 0; |
4674 |
PitchbendRange = 0; |
PitchbendRange = 2; |
4675 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
4676 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
4677 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
4743 |
if (lst3LS) { |
if (lst3LS) { |
4744 |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4745 |
if (ckSCSL) { |
if (ckSCSL) { |
4746 |
int slotCount = ckSCSL->ReadUint32(); |
int headerSize = ckSCSL->ReadUint32(); |
4747 |
int slotSize = ckSCSL->ReadUint32(); |
int slotCount = ckSCSL->ReadUint32(); |
4748 |
int unknownSpace = slotSize - 2*sizeof(uint32_t); // in case of future extensions |
if (slotCount) { |
4749 |
for (int i = 0; i < slotCount; ++i) { |
int slotSize = ckSCSL->ReadUint32(); |
4750 |
_ScriptPooolEntry e; |
ckSCSL->SetPos(headerSize); // in case of future header extensions |
4751 |
e.fileOffset = ckSCSL->ReadUint32(); |
int unknownSpace = slotSize - 2*sizeof(uint32_t); // in case of future slot extensions |
4752 |
e.bypass = ckSCSL->ReadUint32() & 1; |
for (int i = 0; i < slotCount; ++i) { |
4753 |
if (unknownSpace) ckSCSL->SetPos(unknownSpace, RIFF::stream_curpos); // in case of future extensions |
_ScriptPooolEntry e; |
4754 |
scriptPoolFileOffsets.push_back(e); |
e.fileOffset = ckSCSL->ReadUint32(); |
4755 |
|
e.bypass = ckSCSL->ReadUint32() & 1; |
4756 |
|
if (unknownSpace) ckSCSL->SetPos(unknownSpace, RIFF::stream_curpos); // in case of future extensions |
4757 |
|
scriptPoolFileOffsets.push_back(e); |
4758 |
|
} |
4759 |
} |
} |
4760 |
} |
} |
4761 |
} |
} |
4769 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
4770 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
4771 |
gig::Region* pRegion = static_cast<gig::Region*>(*iter); |
gig::Region* pRegion = static_cast<gig::Region*>(*iter); |
4772 |
for (int iKey = pRegion->KeyRange.low; iKey <= pRegion->KeyRange.high; iKey++) { |
const int low = std::max(int(pRegion->KeyRange.low), 0); |
4773 |
|
const int high = std::min(int(pRegion->KeyRange.high), 127); |
4774 |
|
for (int iKey = low; iKey <= high; iKey++) { |
4775 |
RegionKeyTable[iKey] = pRegion; |
RegionKeyTable[iKey] = pRegion; |
4776 |
} |
} |
4777 |
} |
} |
4792 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
4793 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
4794 |
* |
* |
4795 |
|
* @param pProgress - callback function for progress notification |
4796 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
4797 |
*/ |
*/ |
4798 |
void Instrument::UpdateChunks() { |
void Instrument::UpdateChunks(progress_t* pProgress) { |
4799 |
// first update base classes' chunks |
// first update base classes' chunks |
4800 |
DLS::Instrument::UpdateChunks(); |
DLS::Instrument::UpdateChunks(pProgress); |
4801 |
|
|
4802 |
// update Regions' chunks |
// update Regions' chunks |
4803 |
{ |
{ |
4804 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
4805 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
4806 |
for (; iter != end; ++iter) |
for (; iter != end; ++iter) |
4807 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(pProgress); |
4808 |
} |
} |
4809 |
|
|
4810 |
// make sure 'lart' RIFF list chunk exists |
// make sure 'lart' RIFF list chunk exists |
4841 |
} |
} |
4842 |
|
|
4843 |
// own gig format extensions |
// own gig format extensions |
4844 |
if (pScriptRefs) { |
if (ScriptSlotCount()) { |
4845 |
|
// make sure we have converted the original loaded script file |
4846 |
|
// offsets into valid Script object pointers |
4847 |
|
LoadScripts(); |
4848 |
|
|
4849 |
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4850 |
if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS); |
if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS); |
4851 |
const int totalSize = pScriptRefs->size() * 2*sizeof(uint32_t); |
const int slotCount = (int) pScriptRefs->size(); |
4852 |
|
const int headerSize = 3 * sizeof(uint32_t); |
4853 |
|
const int slotSize = 2 * sizeof(uint32_t); |
4854 |
|
const int totalChunkSize = headerSize + slotCount * slotSize; |
4855 |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4856 |
if (!ckSCSL) ckSCSL = lst3LS->AddSubChunk(CHUNK_ID_SCSL, totalSize); |
if (!ckSCSL) ckSCSL = lst3LS->AddSubChunk(CHUNK_ID_SCSL, totalChunkSize); |
4857 |
else ckSCSL->Resize(totalSize); |
else ckSCSL->Resize(totalChunkSize); |
4858 |
uint8_t* pData = (uint8_t*) ckSCSL->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckSCSL->LoadChunkData(); |
4859 |
for (int i = 0, pos = 0; i < pScriptRefs->size(); ++i) { |
int pos = 0; |
4860 |
int fileOffset = |
store32(&pData[pos], headerSize); |
4861 |
(*pScriptRefs)[i].script->pChunk->GetFilePos() - |
pos += sizeof(uint32_t); |
4862 |
(*pScriptRefs)[i].script->pChunk->GetPos() - |
store32(&pData[pos], slotCount); |
4863 |
CHUNK_HEADER_SIZE; |
pos += sizeof(uint32_t); |
4864 |
store32(&pData[pos], fileOffset); |
store32(&pData[pos], slotSize); |
4865 |
|
pos += sizeof(uint32_t); |
4866 |
|
for (int i = 0; i < slotCount; ++i) { |
4867 |
|
// arbitrary value, the actual file offset will be updated in |
4868 |
|
// UpdateScriptFileOffsets() after the file has been resized |
4869 |
|
int bogusFileOffset = 0; |
4870 |
|
store32(&pData[pos], bogusFileOffset); |
4871 |
pos += sizeof(uint32_t); |
pos += sizeof(uint32_t); |
4872 |
store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0); |
store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0); |
4873 |
pos += sizeof(uint32_t); |
pos += sizeof(uint32_t); |
4874 |
} |
} |
4875 |
|
} else { |
4876 |
|
// no script slots, so get rid of any LS custom RIFF chunks (if any) |
4877 |
|
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4878 |
|
if (lst3LS) pCkInstrument->DeleteSubChunk(lst3LS); |
4879 |
} |
} |
4880 |
} |
} |
4881 |
|
|
4882 |
|
void Instrument::UpdateScriptFileOffsets() { |
4883 |
|
// own gig format extensions |
4884 |
|
if (pScriptRefs && pScriptRefs->size() > 0) { |
4885 |
|
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4886 |
|
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4887 |
|
const int slotCount = (int) pScriptRefs->size(); |
4888 |
|
const int headerSize = 3 * sizeof(uint32_t); |
4889 |
|
ckSCSL->SetPos(headerSize); |
4890 |
|
for (int i = 0; i < slotCount; ++i) { |
4891 |
|
uint32_t fileOffset = uint32_t( |
4892 |
|
(*pScriptRefs)[i].script->pChunk->GetFilePos() - |
4893 |
|
(*pScriptRefs)[i].script->pChunk->GetPos() - |
4894 |
|
CHUNK_HEADER_SIZE(ckSCSL->GetFile()->GetFileOffsetSize()) |
4895 |
|
); |
4896 |
|
ckSCSL->WriteUint32(&fileOffset); |
4897 |
|
// jump over flags entry (containing the bypass flag) |
4898 |
|
ckSCSL->SetPos(sizeof(uint32_t), RIFF::stream_curpos); |
4899 |
|
} |
4900 |
|
} |
4901 |
|
} |
4902 |
|
|
4903 |
/** |
/** |
4904 |
* Returns the appropriate Region for a triggered note. |
* Returns the appropriate Region for a triggered note. |
4905 |
* |
* |
4952 |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
4953 |
Region* pNewRegion = new Region(this, rgn); |
Region* pNewRegion = new Region(this, rgn); |
4954 |
pRegions->push_back(pNewRegion); |
pRegions->push_back(pNewRegion); |
4955 |
Regions = pRegions->size(); |
Regions = (uint32_t) pRegions->size(); |
4956 |
// update Region key table for fast lookup |
// update Region key table for fast lookup |
4957 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
4958 |
// done |
// done |
4967 |
} |
} |
4968 |
|
|
4969 |
/** |
/** |
4970 |
|
* Move this instrument at the position before @arg dst. |
4971 |
|
* |
4972 |
|
* This method can be used to reorder the sequence of instruments in a |
4973 |
|
* .gig file. This might be helpful especially on large .gig files which |
4974 |
|
* contain a large number of instruments within the same .gig file. So |
4975 |
|
* grouping such instruments to similar ones, can help to keep track of them |
4976 |
|
* when working with such complex .gig files. |
4977 |
|
* |
4978 |
|
* When calling this method, this instrument will be removed from in its |
4979 |
|
* current position in the instruments list and moved to the requested |
4980 |
|
* target position provided by @param dst. You may also pass NULL as |
4981 |
|
* argument to this method, in that case this intrument will be moved to the |
4982 |
|
* very end of the .gig file's instrument list. |
4983 |
|
* |
4984 |
|
* You have to call Save() to make the order change persistent to the .gig |
4985 |
|
* file. |
4986 |
|
* |
4987 |
|
* Currently this method is limited to moving the instrument within the same |
4988 |
|
* .gig file. Trying to move it to another .gig file by calling this method |
4989 |
|
* will throw an exception. |
4990 |
|
* |
4991 |
|
* @param dst - destination instrument at which this instrument will be |
4992 |
|
* moved to, or pass NULL for moving to end of list |
4993 |
|
* @throw gig::Exception if this instrument and target instrument are not |
4994 |
|
* part of the same file |
4995 |
|
*/ |
4996 |
|
void Instrument::MoveTo(Instrument* dst) { |
4997 |
|
if (dst && GetParent() != dst->GetParent()) |
4998 |
|
throw Exception( |
4999 |
|
"gig::Instrument::MoveTo() can only be used for moving within " |
5000 |
|
"the same gig file." |
5001 |
|
); |
5002 |
|
|
5003 |
|
File* pFile = (File*) GetParent(); |
5004 |
|
|
5005 |
|
// move this instrument within the instrument list |
5006 |
|
{ |
5007 |
|
File::InstrumentList& list = *pFile->pInstruments; |
5008 |
|
|
5009 |
|
File::InstrumentList::iterator itFrom = |
5010 |
|
std::find(list.begin(), list.end(), static_cast<DLS::Instrument*>(this)); |
5011 |
|
|
5012 |
|
File::InstrumentList::iterator itTo = |
5013 |
|
std::find(list.begin(), list.end(), static_cast<DLS::Instrument*>(dst)); |
5014 |
|
|
5015 |
|
list.splice(itTo, list, itFrom); |
5016 |
|
} |
5017 |
|
|
5018 |
|
// move the instrument's actual list RIFF chunk appropriately |
5019 |
|
RIFF::List* lstCkInstruments = pFile->pRIFF->GetSubList(LIST_TYPE_LINS); |
5020 |
|
lstCkInstruments->MoveSubChunk( |
5021 |
|
this->pCkInstrument, |
5022 |
|
(RIFF::Chunk*) ((dst) ? dst->pCkInstrument : NULL) |
5023 |
|
); |
5024 |
|
} |
5025 |
|
|
5026 |
|
/** |
5027 |
* Returns a MIDI rule of the instrument. |
* Returns a MIDI rule of the instrument. |
5028 |
* |
* |
5029 |
* The list of MIDI rules, at least in gig v3, always contains at |
* The list of MIDI rules, at least in gig v3, always contains at |
5092 |
if (scriptPoolFileOffsets.empty()) return; |
if (scriptPoolFileOffsets.empty()) return; |
5093 |
File* pFile = (File*) GetParent(); |
File* pFile = (File*) GetParent(); |
5094 |
for (uint k = 0; k < scriptPoolFileOffsets.size(); ++k) { |
for (uint k = 0; k < scriptPoolFileOffsets.size(); ++k) { |
5095 |
uint32_t offset = scriptPoolFileOffsets[k].fileOffset; |
uint32_t soughtOffset = scriptPoolFileOffsets[k].fileOffset; |
5096 |
for (uint i = 0; pFile->GetScriptGroup(i); ++i) { |
for (uint i = 0; pFile->GetScriptGroup(i); ++i) { |
5097 |
ScriptGroup* group = pFile->GetScriptGroup(i); |
ScriptGroup* group = pFile->GetScriptGroup(i); |
5098 |
for (uint s = 0; group->GetScript(s); ++s) { |
for (uint s = 0; group->GetScript(s); ++s) { |
5099 |
Script* script = group->GetScript(s); |
Script* script = group->GetScript(s); |
5100 |
if (script->pChunk) { |
if (script->pChunk) { |
5101 |
script->pChunk->SetPos(0); |
uint32_t offset = uint32_t( |
5102 |
if (script->pChunk->GetFilePos() - |
script->pChunk->GetFilePos() - |
5103 |
script->pChunk->GetPos() - |
script->pChunk->GetPos() - |
5104 |
CHUNK_HEADER_SIZE == offset) |
CHUNK_HEADER_SIZE(script->pChunk->GetFile()->GetFileOffsetSize()) |
5105 |
|
); |
5106 |
|
if (offset == soughtOffset) |
5107 |
{ |
{ |
5108 |
_ScriptPooolRef ref; |
_ScriptPooolRef ref; |
5109 |
ref.script = script; |
ref.script = script; |
5227 |
*/ |
*/ |
5228 |
void Instrument::RemoveScript(Script* pScript) { |
void Instrument::RemoveScript(Script* pScript) { |
5229 |
LoadScripts(); |
LoadScripts(); |
5230 |
for (int i = pScriptRefs->size() - 1; i >= 0; --i) { |
for (ssize_t i = pScriptRefs->size() - 1; i >= 0; --i) { |
5231 |
if ((*pScriptRefs)[i].script == pScript) { |
if ((*pScriptRefs)[i].script == pScript) { |
5232 |
pScriptRefs->erase( pScriptRefs->begin() + i ); |
pScriptRefs->erase( pScriptRefs->begin() + i ); |
5233 |
} |
} |
5249 |
* gigedit. |
* gigedit. |
5250 |
*/ |
*/ |
5251 |
uint Instrument::ScriptSlotCount() const { |
uint Instrument::ScriptSlotCount() const { |
5252 |
return pScriptRefs ? pScriptRefs->size() : scriptPoolFileOffsets.size(); |
return uint(pScriptRefs ? pScriptRefs->size() : scriptPoolFileOffsets.size()); |
5253 |
} |
} |
5254 |
|
|
5255 |
/** @brief Whether script execution shall be skipped. |
/** @brief Whether script execution shall be skipped. |
5385 |
* |
* |
5386 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
5387 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
5388 |
|
* |
5389 |
|
* @param pProgress - callback function for progress notification |
5390 |
*/ |
*/ |
5391 |
void Group::UpdateChunks() { |
void Group::UpdateChunks(progress_t* pProgress) { |
5392 |
// make sure <3gri> and <3gnl> list chunks exist |
// make sure <3gri> and <3gnl> list chunks exist |
5393 |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
5394 |
if (!_3gri) { |
if (!_3gri) { |
5665 |
int iTotalSamples = WavePoolCount; |
int iTotalSamples = WavePoolCount; |
5666 |
|
|
5667 |
// check if samples should be loaded from extension files |
// check if samples should be loaded from extension files |
5668 |
|
// (only for old gig files < 2 GB) |
5669 |
int lastFileNo = 0; |
int lastFileNo = 0; |
5670 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
if (!file->IsNew() && !(file->GetCurrentFileSize() >> 31)) { |
5671 |
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
for (int i = 0 ; i < WavePoolCount ; i++) { |
5672 |
|
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
5673 |
|
} |
5674 |
} |
} |
5675 |
String name(pRIFF->GetFileName()); |
String name(pRIFF->GetFileName()); |
5676 |
int nameLen = name.length(); |
int nameLen = (int) name.length(); |
5677 |
char suffix[6]; |
char suffix[6]; |
5678 |
if (nameLen > 4 && name.substr(nameLen - 4) == ".gig") nameLen -= 4; |
if (nameLen > 4 && name.substr(nameLen - 4) == ".gig") nameLen -= 4; |
5679 |
|
|
5680 |
for (int fileNo = 0 ; ; ) { |
for (int fileNo = 0 ; ; ) { |
5681 |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
5682 |
if (wvpl) { |
if (wvpl) { |
5683 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
file_offset_t wvplFileOffset = wvpl->GetFilePos(); |
5684 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
5685 |
while (wave) { |
while (wave) { |
5686 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
5688 |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
5689 |
__notify_progress(pProgress, subprogress); |
__notify_progress(pProgress, subprogress); |
5690 |
|
|
5691 |
unsigned long waveFileOffset = wave->GetFilePos(); |
file_offset_t waveFileOffset = wave->GetFilePos(); |
5692 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo, iSampleIndex)); |
5693 |
|
|
5694 |
iSampleIndex++; |
iSampleIndex++; |
5695 |
} |
} |
5842 |
mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s); |
mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s); |
5843 |
mSamples[pFile->GetSample(i)] = s; |
mSamples[pFile->GetSample(i)] = s; |
5844 |
} |
} |
5845 |
|
|
5846 |
|
// clone script groups and their scripts |
5847 |
|
for (int iGroup = 0; pFile->GetScriptGroup(iGroup); ++iGroup) { |
5848 |
|
ScriptGroup* sg = pFile->GetScriptGroup(iGroup); |
5849 |
|
ScriptGroup* dg = AddScriptGroup(); |
5850 |
|
dg->Name = "COPY" + ToString(iCallCount) + "_" + sg->Name; |
5851 |
|
for (int iScript = 0; sg->GetScript(iScript); ++iScript) { |
5852 |
|
Script* ss = sg->GetScript(iScript); |
5853 |
|
Script* ds = dg->AddScript(); |
5854 |
|
ds->CopyAssign(ss); |
5855 |
|
} |
5856 |
|
} |
5857 |
|
|
5858 |
//BUG: For some reason this method only works with this additional |
//BUG: For some reason this method only works with this additional |
5859 |
// Save() call in between here. |
// Save() call in between here. |
5860 |
// |
// |
5939 |
if (!_3crc) return; |
if (!_3crc) return; |
5940 |
|
|
5941 |
// get the index of the sample |
// get the index of the sample |
5942 |
int iWaveIndex = -1; |
int iWaveIndex = GetWaveTableIndexOf(pSample); |
|
File::SampleList::iterator iter = pSamples->begin(); |
|
|
File::SampleList::iterator end = pSamples->end(); |
|
|
for (int index = 0; iter != end; ++iter, ++index) { |
|
|
if (*iter == pSample) { |
|
|
iWaveIndex = index; |
|
|
break; |
|
|
} |
|
|
} |
|
5943 |
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
5944 |
|
|
5945 |
// write the CRC-32 checksum to disk |
// write the CRC-32 checksum to disk |
5946 |
_3crc->SetPos(iWaveIndex * 8); |
_3crc->SetPos(iWaveIndex * 8); |
5947 |
uint32_t tmp = 1; |
uint32_t one = 1; |
5948 |
_3crc->WriteUint32(&tmp); // unknown, always 1? |
_3crc->WriteUint32(&one); // always 1 |
5949 |
_3crc->WriteUint32(&crc); |
_3crc->WriteUint32(&crc); |
5950 |
} |
} |
5951 |
|
|
5952 |
|
uint32_t File::GetSampleChecksum(Sample* pSample) { |
5953 |
|
// get the index of the sample |
5954 |
|
int iWaveIndex = GetWaveTableIndexOf(pSample); |
5955 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not retrieve reference crc of sample, could not resolve sample's wave table index"); |
5956 |
|
|
5957 |
|
return GetSampleChecksumByIndex(iWaveIndex); |
5958 |
|
} |
5959 |
|
|
5960 |
|
uint32_t File::GetSampleChecksumByIndex(int index) { |
5961 |
|
if (index < 0) throw gig::Exception("Could not retrieve reference crc of sample, invalid wave pool index of sample"); |
5962 |
|
|
5963 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
5964 |
|
if (!_3crc) throw gig::Exception("Could not retrieve reference crc of sample, no checksums stored for this file yet"); |
5965 |
|
uint8_t* pData = (uint8_t*) _3crc->LoadChunkData(); |
5966 |
|
if (!pData) throw gig::Exception("Could not retrieve reference crc of sample, no checksums stored for this file yet"); |
5967 |
|
|
5968 |
|
// read the CRC-32 checksum directly from disk |
5969 |
|
size_t pos = index * 8; |
5970 |
|
if (pos + 8 > _3crc->GetNewSize()) |
5971 |
|
throw gig::Exception("Could not retrieve reference crc of sample, could not seek to required position in crc chunk"); |
5972 |
|
|
5973 |
|
uint32_t one = load32(&pData[pos]); // always 1 |
5974 |
|
if (one != 1) |
5975 |
|
throw gig::Exception("Could not retrieve reference crc of sample, because reference checksum table is damaged"); |
5976 |
|
|
5977 |
|
return load32(&pData[pos+4]); |
5978 |
|
} |
5979 |
|
|
5980 |
|
int File::GetWaveTableIndexOf(gig::Sample* pSample) { |
5981 |
|
if (!pSamples) GetFirstSample(); // make sure sample chunks were scanned |
5982 |
|
File::SampleList::iterator iter = pSamples->begin(); |
5983 |
|
File::SampleList::iterator end = pSamples->end(); |
5984 |
|
for (int index = 0; iter != end; ++iter, ++index) |
5985 |
|
if (*iter == pSample) |
5986 |
|
return index; |
5987 |
|
return -1; |
5988 |
|
} |
5989 |
|
|
5990 |
|
/** |
5991 |
|
* Checks whether the file's "3CRC" chunk was damaged. This chunk contains |
5992 |
|
* the CRC32 check sums of all samples' raw wave data. |
5993 |
|
* |
5994 |
|
* @return true if 3CRC chunk is OK, or false if 3CRC chunk is damaged |
5995 |
|
*/ |
5996 |
|
bool File::VerifySampleChecksumTable() { |
5997 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
5998 |
|
if (!_3crc) return false; |
5999 |
|
if (_3crc->GetNewSize() <= 0) return false; |
6000 |
|
if (_3crc->GetNewSize() % 8) return false; |
6001 |
|
if (!pSamples) GetFirstSample(); // make sure sample chunks were scanned |
6002 |
|
if (_3crc->GetNewSize() != pSamples->size() * 8) return false; |
6003 |
|
|
6004 |
|
const file_offset_t n = _3crc->GetNewSize() / 8; |
6005 |
|
|
6006 |
|
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
6007 |
|
if (!pData) return false; |
6008 |
|
|
6009 |
|
for (file_offset_t i = 0; i < n; ++i) { |
6010 |
|
uint32_t one = pData[i*2]; |
6011 |
|
if (one != 1) return false; |
6012 |
|
} |
6013 |
|
|
6014 |
|
return true; |
6015 |
|
} |
6016 |
|
|
6017 |
|
/** |
6018 |
|
* Recalculates CRC32 checksums for all samples and rebuilds this gig |
6019 |
|
* file's checksum table with those new checksums. This might usually |
6020 |
|
* just be necessary if the checksum table was damaged. |
6021 |
|
* |
6022 |
|
* @e IMPORTANT: The current implementation of this method only works |
6023 |
|
* with files that have not been modified since it was loaded, because |
6024 |
|
* it expects that no externally caused file structure changes are |
6025 |
|
* required! |
6026 |
|
* |
6027 |
|
* Due to the expectation above, this method is currently protected |
6028 |
|
* and actually only used by the command line tool "gigdump" yet. |
6029 |
|
* |
6030 |
|
* @returns true if Save() is required to be called after this call, |
6031 |
|
* false if no further action is required |
6032 |
|
*/ |
6033 |
|
bool File::RebuildSampleChecksumTable() { |
6034 |
|
// make sure sample chunks were scanned |
6035 |
|
if (!pSamples) GetFirstSample(); |
6036 |
|
|
6037 |
|
bool bRequiresSave = false; |
6038 |
|
|
6039 |
|
// make sure "3CRC" chunk exists with required size |
6040 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
6041 |
|
if (!_3crc) { |
6042 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
6043 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
6044 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
6045 |
|
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
6046 |
|
bRequiresSave = true; |
6047 |
|
} else if (_3crc->GetNewSize() != pSamples->size() * 8) { |
6048 |
|
_3crc->Resize(pSamples->size() * 8); |
6049 |
|
bRequiresSave = true; |
6050 |
|
} |
6051 |
|
|
6052 |
|
if (bRequiresSave) { // refill CRC table for all samples in RAM ... |
6053 |
|
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
6054 |
|
{ |
6055 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6056 |
|
File::SampleList::iterator end = pSamples->end(); |
6057 |
|
for (; iter != end; ++iter) { |
6058 |
|
gig::Sample* pSample = (gig::Sample*) *iter; |
6059 |
|
int index = GetWaveTableIndexOf(pSample); |
6060 |
|
if (index < 0) throw gig::Exception("Could not rebuild crc table for samples, wave table index of a sample could not be resolved"); |
6061 |
|
pData[index*2] = 1; // always 1 |
6062 |
|
pData[index*2+1] = pSample->CalculateWaveDataChecksum(); |
6063 |
|
} |
6064 |
|
} |
6065 |
|
} else { // no file structure changes necessary, so directly write to disk and we are done ... |
6066 |
|
// make sure file is in write mode |
6067 |
|
pRIFF->SetMode(RIFF::stream_mode_read_write); |
6068 |
|
{ |
6069 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6070 |
|
File::SampleList::iterator end = pSamples->end(); |
6071 |
|
for (; iter != end; ++iter) { |
6072 |
|
gig::Sample* pSample = (gig::Sample*) *iter; |
6073 |
|
int index = GetWaveTableIndexOf(pSample); |
6074 |
|
if (index < 0) throw gig::Exception("Could not rebuild crc table for samples, wave table index of a sample could not be resolved"); |
6075 |
|
pSample->crc = pSample->CalculateWaveDataChecksum(); |
6076 |
|
SetSampleChecksum(pSample, pSample->crc); |
6077 |
|
} |
6078 |
|
} |
6079 |
|
} |
6080 |
|
|
6081 |
|
return bRequiresSave; |
6082 |
|
} |
6083 |
|
|
6084 |
Group* File::GetFirstGroup() { |
Group* File::GetFirstGroup() { |
6085 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
6086 |
// there must always be at least one group |
// there must always be at least one group |
6303 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
6304 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
6305 |
* |
* |
6306 |
|
* @param pProgress - callback function for progress notification |
6307 |
* @throws Exception - on errors |
* @throws Exception - on errors |
6308 |
*/ |
*/ |
6309 |
void File::UpdateChunks() { |
void File::UpdateChunks(progress_t* pProgress) { |
6310 |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
6311 |
|
|
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
|
|
|
|
6312 |
// update own gig format extension chunks |
// update own gig format extension chunks |
6313 |
// (not part of the GigaStudio 4 format) |
// (not part of the GigaStudio 4 format) |
6314 |
// |
RIFF::List* lst3LS = pRIFF->GetSubList(LIST_TYPE_3LS); |
6315 |
|
if (!lst3LS) { |
6316 |
|
lst3LS = pRIFF->AddSubList(LIST_TYPE_3LS); |
6317 |
|
} |
6318 |
|
// Make sure <3LS > chunk is placed before <ptbl> chunk. The precise |
6319 |
|
// location of <3LS > is irrelevant, however it should be located |
6320 |
|
// before the actual wave data |
6321 |
|
RIFF::Chunk* ckPTBL = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
6322 |
|
pRIFF->MoveSubChunk(lst3LS, ckPTBL); |
6323 |
|
|
6324 |
// This must be performed before writing the chunks for instruments, |
// This must be performed before writing the chunks for instruments, |
6325 |
// because the instruments' script slots will write the file offsets |
// because the instruments' script slots will write the file offsets |
6326 |
// of the respective instrument script chunk as reference. |
// of the respective instrument script chunk as reference. |
6327 |
if (pScriptGroups) { |
if (pScriptGroups) { |
6328 |
RIFF::List* lst3LS = pRIFF->GetSubList(LIST_TYPE_3LS); |
// Update instrument script (group) chunks. |
6329 |
if (pScriptGroups->empty()) { |
for (std::list<ScriptGroup*>::iterator it = pScriptGroups->begin(); |
6330 |
if (lst3LS) pRIFF->DeleteSubChunk(lst3LS); |
it != pScriptGroups->end(); ++it) |
6331 |
} else { |
{ |
6332 |
if (!lst3LS) lst3LS = pRIFF->AddSubList(LIST_TYPE_3LS); |
(*it)->UpdateChunks(pProgress); |
|
|
|
|
// Update instrument script (group) chunks. |
|
|
|
|
|
for (std::list<ScriptGroup*>::iterator it = pScriptGroups->begin(); |
|
|
it != pScriptGroups->end(); ++it) |
|
|
{ |
|
|
(*it)->UpdateChunks(); |
|
|
} |
|
6333 |
} |
} |
6334 |
} |
} |
6335 |
|
|
6336 |
|
// in case no libgig custom format data was added, then remove the |
6337 |
|
// custom "3LS " chunk again |
6338 |
|
if (!lst3LS->CountSubChunks()) { |
6339 |
|
pRIFF->DeleteSubChunk(lst3LS); |
6340 |
|
lst3LS = NULL; |
6341 |
|
} |
6342 |
|
|
6343 |
// first update base class's chunks |
// first update base class's chunks |
6344 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(pProgress); |
6345 |
|
|
6346 |
if (newFile) { |
if (newFile) { |
6347 |
// INFO was added by Resource::UpdateChunks - make sure it |
// INFO was added by Resource::UpdateChunks - make sure it |
6378 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
6379 |
std::list<Group*>::iterator end = pGroups->end(); |
std::list<Group*>::iterator end = pGroups->end(); |
6380 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
6381 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(pProgress); |
6382 |
} |
} |
6383 |
} |
} |
6384 |
|
|
6398 |
// Note that there are several fields with unknown use. These |
// Note that there are several fields with unknown use. These |
6399 |
// are set to zero. |
// are set to zero. |
6400 |
|
|
6401 |
int sublen = pSamples->size() / 8 + 49; |
int sublen = int(pSamples->size() / 8 + 49); |
6402 |
int einfSize = (Instruments + 1) * sublen; |
int einfSize = (Instruments + 1) * sublen; |
6403 |
|
|
6404 |
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
6471 |
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
6472 |
// next 8 bytes unknown |
// next 8 bytes unknown |
6473 |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
6474 |
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
store32(&pData[(instrumentIdx + 1) * sublen + 40], (uint32_t) pSamples->size()); |
6475 |
// next 4 bytes unknown |
// next 4 bytes unknown |
6476 |
|
|
6477 |
totnbregions += instrument->Regions; |
totnbregions += instrument->Regions; |
6489 |
store32(&pData[24], totnbloops); |
store32(&pData[24], totnbloops); |
6490 |
// next 8 bytes unknown |
// next 8 bytes unknown |
6491 |
// next 4 bytes unknown, not always 0 |
// next 4 bytes unknown, not always 0 |
6492 |
store32(&pData[40], pSamples->size()); |
store32(&pData[40], (uint32_t) pSamples->size()); |
6493 |
// next 4 bytes unknown |
// next 4 bytes unknown |
6494 |
} |
} |
6495 |
|
|
6496 |
// update 3crc chunk |
// update 3crc chunk |
6497 |
|
|
6498 |
// The 3crc chunk contains CRC-32 checksums for the |
// The 3crc chunk contains CRC-32 checksums for the |
6499 |
// samples. The actual checksum values will be filled in |
// samples. When saving a gig file to disk, we first update the 3CRC |
6500 |
// later, by Sample::Write. |
// chunk here (in RAM) with the old crc values which we read from the |
6501 |
|
// 3CRC chunk when we opened the file (available with gig::Sample::crc |
6502 |
|
// member variable). This step is required, because samples might have |
6503 |
|
// been deleted by the user since the file was opened, which in turn |
6504 |
|
// changes the order of the (i.e. old) checksums within the 3crc chunk. |
6505 |
|
// If a sample was conciously modified by the user (that is if |
6506 |
|
// Sample::Write() was called later on) then Sample::Write() will just |
6507 |
|
// update the respective individual checksum(s) directly on disk and |
6508 |
|
// leaves all other sample checksums untouched. |
6509 |
|
|
6510 |
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
6511 |
if (_3crc) { |
if (_3crc) { |
6512 |
_3crc->Resize(pSamples->size() * 8); |
_3crc->Resize(pSamples->size() * 8); |
6513 |
} else if (newFile) { |
} else /*if (newFile)*/ { |
6514 |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
|
_3crc->LoadChunkData(); |
|
|
|
|
6515 |
// the order of einf and 3crc is not the same in v2 and v3 |
// the order of einf and 3crc is not the same in v2 and v3 |
6516 |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
6517 |
} |
} |
6518 |
|
{ // must be performed in RAM here ... |
6519 |
|
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
6520 |
|
if (pData) { |
6521 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6522 |
|
File::SampleList::iterator end = pSamples->end(); |
6523 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
6524 |
|
gig::Sample* pSample = (gig::Sample*) *iter; |
6525 |
|
pData[index*2] = 1; // always 1 |
6526 |
|
pData[index*2+1] = pSample->crc; |
6527 |
|
} |
6528 |
|
} |
6529 |
|
} |
6530 |
|
} |
6531 |
|
|
6532 |
|
void File::UpdateFileOffsets() { |
6533 |
|
DLS::File::UpdateFileOffsets(); |
6534 |
|
|
6535 |
|
for (Instrument* instrument = GetFirstInstrument(); instrument; |
6536 |
|
instrument = GetNextInstrument()) |
6537 |
|
{ |
6538 |
|
instrument->UpdateScriptFileOffsets(); |
6539 |
|
} |
6540 |
} |
} |
6541 |
|
|
6542 |
/** |
/** |
6571 |
// *************** Exception *************** |
// *************** Exception *************** |
6572 |
// * |
// * |
6573 |
|
|
6574 |
Exception::Exception(String Message) : DLS::Exception(Message) { |
Exception::Exception() : DLS::Exception() { |
6575 |
|
} |
6576 |
|
|
6577 |
|
Exception::Exception(String format, ...) : DLS::Exception() { |
6578 |
|
va_list arg; |
6579 |
|
va_start(arg, format); |
6580 |
|
Message = assemble(format, arg); |
6581 |
|
va_end(arg); |
6582 |
|
} |
6583 |
|
|
6584 |
|
Exception::Exception(String format, va_list arg) : DLS::Exception() { |
6585 |
|
Message = assemble(format, arg); |
6586 |
} |
} |
6587 |
|
|
6588 |
void Exception::PrintMessage() { |
void Exception::PrintMessage() { |