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) 2003-2019 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) { |
415 |
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pCk3gix->SetPos(0); |
416 |
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417 |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
418 |
pGroup = pFile->GetGroup(iSampleGroup); |
pGroup = pFile->GetGroup(iSampleGroup); |
419 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
423 |
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424 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
425 |
if (pCkSmpl) { |
if (pCkSmpl) { |
426 |
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pCkSmpl->SetPos(0); |
427 |
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428 |
Manufacturer = pCkSmpl->ReadInt32(); |
Manufacturer = pCkSmpl->ReadInt32(); |
429 |
Product = pCkSmpl->ReadInt32(); |
Product = pCkSmpl->ReadInt32(); |
430 |
SamplePeriod = pCkSmpl->ReadInt32(); |
SamplePeriod = pCkSmpl->ReadInt32(); |
471 |
Dithered = false; |
Dithered = false; |
472 |
TruncatedBits = 0; |
TruncatedBits = 0; |
473 |
if (Compressed) { |
if (Compressed) { |
474 |
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ewav->SetPos(0); |
475 |
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476 |
uint32_t version = ewav->ReadInt32(); |
uint32_t version = ewav->ReadInt32(); |
477 |
if (version == 3 && BitDepth == 24) { |
if (version > 2 && BitDepth == 24) { |
478 |
Dithered = ewav->ReadInt32(); |
Dithered = ewav->ReadInt32(); |
479 |
ewav->SetPos(Channels == 2 ? 84 : 64); |
ewav->SetPos(Channels == 2 ? 84 : 64); |
480 |
TruncatedBits = ewav->ReadInt32(); |
TruncatedBits = ewav->ReadInt32(); |
547 |
const int iReadAtOnce = 32*1024; |
const int iReadAtOnce = 32*1024; |
548 |
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
549 |
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
550 |
unsigned long restorePos = pOrig->GetPos(); |
file_offset_t restorePos = pOrig->GetPos(); |
551 |
pOrig->SetPos(0); |
pOrig->SetPos(0); |
552 |
SetPos(0); |
SetPos(0); |
553 |
for (unsigned long n = pOrig->Read(buf, iReadAtOnce); n; |
for (file_offset_t n = pOrig->Read(buf, iReadAtOnce); n; |
554 |
n = pOrig->Read(buf, iReadAtOnce)) |
n = pOrig->Read(buf, iReadAtOnce)) |
555 |
{ |
{ |
556 |
Write(buf, n); |
Write(buf, n); |
566 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
567 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
568 |
* |
* |
569 |
|
* @param pProgress - callback function for progress notification |
570 |
* @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 |
571 |
* was provided yet |
* was provided yet |
572 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
573 |
*/ |
*/ |
574 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks(progress_t* pProgress) { |
575 |
// first update base class's chunks |
// first update base class's chunks |
576 |
DLS::Sample::UpdateChunks(); |
DLS::Sample::UpdateChunks(pProgress); |
577 |
|
|
578 |
// make sure 'smpl' chunk exists |
// make sure 'smpl' chunk exists |
579 |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
635 |
void Sample::ScanCompressedSample() { |
void Sample::ScanCompressedSample() { |
636 |
//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) |
637 |
this->SamplesTotal = 0; |
this->SamplesTotal = 0; |
638 |
std::list<unsigned long> frameOffsets; |
std::list<file_offset_t> frameOffsets; |
639 |
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|
640 |
SamplesPerFrame = BitDepth == 24 ? 256 : 2048; |
SamplesPerFrame = BitDepth == 24 ? 256 : 2048; |
641 |
WorstCaseFrameSize = SamplesPerFrame * FrameSize + Channels; // +Channels for compression flag |
WorstCaseFrameSize = SamplesPerFrame * FrameSize + Channels; // +Channels for compression flag |
651 |
const int mode_l = pCkData->ReadUint8(); |
const int mode_l = pCkData->ReadUint8(); |
652 |
const int mode_r = pCkData->ReadUint8(); |
const int mode_r = pCkData->ReadUint8(); |
653 |
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"); |
654 |
const unsigned long frameSize = bytesPerFrame[mode_l] + bytesPerFrame[mode_r]; |
const file_offset_t frameSize = bytesPerFrame[mode_l] + bytesPerFrame[mode_r]; |
655 |
|
|
656 |
if (pCkData->RemainingBytes() <= frameSize) { |
if (pCkData->RemainingBytes() <= frameSize) { |
657 |
SamplesInLastFrame = |
SamplesInLastFrame = |
670 |
|
|
671 |
const int mode = pCkData->ReadUint8(); |
const int mode = pCkData->ReadUint8(); |
672 |
if (mode > 5) throw gig::Exception("Unknown compression mode"); |
if (mode > 5) throw gig::Exception("Unknown compression mode"); |
673 |
const unsigned long frameSize = bytesPerFrame[mode]; |
const file_offset_t frameSize = bytesPerFrame[mode]; |
674 |
|
|
675 |
if (pCkData->RemainingBytes() <= frameSize) { |
if (pCkData->RemainingBytes() <= frameSize) { |
676 |
SamplesInLastFrame = |
SamplesInLastFrame = |
686 |
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|
687 |
// 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) |
688 |
if (FrameTable) delete[] FrameTable; |
if (FrameTable) delete[] FrameTable; |
689 |
FrameTable = new unsigned long[frameOffsets.size()]; |
FrameTable = new file_offset_t[frameOffsets.size()]; |
690 |
std::list<unsigned long>::iterator end = frameOffsets.end(); |
std::list<file_offset_t>::iterator end = frameOffsets.end(); |
691 |
std::list<unsigned long>::iterator iter = frameOffsets.begin(); |
std::list<file_offset_t>::iterator iter = frameOffsets.begin(); |
692 |
for (int i = 0; iter != end; i++, iter++) { |
for (int i = 0; iter != end; i++, iter++) { |
693 |
FrameTable[i] = *iter; |
FrameTable[i] = *iter; |
694 |
} |
} |
729 |
* the cached sample data in bytes |
* the cached sample data in bytes |
730 |
* @see ReleaseSampleData(), Read(), SetPos() |
* @see ReleaseSampleData(), Read(), SetPos() |
731 |
*/ |
*/ |
732 |
buffer_t Sample::LoadSampleData(unsigned long SampleCount) { |
buffer_t Sample::LoadSampleData(file_offset_t SampleCount) { |
733 |
return LoadSampleDataWithNullSamplesExtension(SampleCount, 0); // 0 amount of NullSamples |
return LoadSampleDataWithNullSamplesExtension(SampleCount, 0); // 0 amount of NullSamples |
734 |
} |
} |
735 |
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|
788 |
* size of the cached sample data in bytes |
* size of the cached sample data in bytes |
789 |
* @see ReleaseSampleData(), Read(), SetPos() |
* @see ReleaseSampleData(), Read(), SetPos() |
790 |
*/ |
*/ |
791 |
buffer_t Sample::LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount) { |
buffer_t Sample::LoadSampleDataWithNullSamplesExtension(file_offset_t SampleCount, uint NullSamplesCount) { |
792 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
793 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
794 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
file_offset_t allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
795 |
SetPos(0); // reset read position to begin of sample |
SetPos(0); // reset read position to begin of sample |
796 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
797 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
855 |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
856 |
* other formats will fail! |
* other formats will fail! |
857 |
* |
* |
858 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param NewSize - new sample wave data size in sample points (must be |
859 |
* greater than zero) |
* greater than zero) |
860 |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
861 |
* or if \a iNewSize is less than 1 |
* @throws DLS::Exception if \a NewSize is less than 1 or unrealistic large |
862 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
863 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
864 |
* DLS::Sample::FormatTag, File::Save() |
* DLS::Sample::FormatTag, File::Save() |
865 |
*/ |
*/ |
866 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(file_offset_t NewSize) { |
867 |
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)"); |
868 |
DLS::Sample::Resize(iNewSize); |
DLS::Sample::Resize(NewSize); |
869 |
} |
} |
870 |
|
|
871 |
/** |
/** |
889 |
* @returns the new sample position |
* @returns the new sample position |
890 |
* @see Read() |
* @see Read() |
891 |
*/ |
*/ |
892 |
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) { |
893 |
if (Compressed) { |
if (Compressed) { |
894 |
switch (Whence) { |
switch (Whence) { |
895 |
case RIFF::stream_curpos: |
case RIFF::stream_curpos: |
907 |
} |
} |
908 |
if (this->SamplePos > this->SamplesTotal) this->SamplePos = this->SamplesTotal; |
if (this->SamplePos > this->SamplesTotal) this->SamplePos = this->SamplesTotal; |
909 |
|
|
910 |
unsigned long frame = this->SamplePos / 2048; // to which frame to jump |
file_offset_t frame = this->SamplePos / 2048; // to which frame to jump |
911 |
this->FrameOffset = this->SamplePos % 2048; // offset (in sample points) within that frame |
this->FrameOffset = this->SamplePos % 2048; // offset (in sample points) within that frame |
912 |
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 |
913 |
return this->SamplePos; |
return this->SamplePos; |
914 |
} |
} |
915 |
else { // not compressed |
else { // not compressed |
916 |
unsigned long orderedBytes = SampleCount * this->FrameSize; |
file_offset_t orderedBytes = SampleCount * this->FrameSize; |
917 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
file_offset_t result = pCkData->SetPos(orderedBytes, Whence); |
918 |
return (result == orderedBytes) ? SampleCount |
return (result == orderedBytes) ? SampleCount |
919 |
: result / this->FrameSize; |
: result / this->FrameSize; |
920 |
} |
} |
923 |
/** |
/** |
924 |
* Returns the current position in the sample (in sample points). |
* Returns the current position in the sample (in sample points). |
925 |
*/ |
*/ |
926 |
unsigned long Sample::GetPos() const { |
file_offset_t Sample::GetPos() const { |
927 |
if (Compressed) return SamplePos; |
if (Compressed) return SamplePos; |
928 |
else return pCkData->GetPos() / FrameSize; |
else return pCkData->GetPos() / FrameSize; |
929 |
} |
} |
962 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
963 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
964 |
*/ |
*/ |
965 |
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, |
966 |
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
967 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
file_offset_t samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
968 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
969 |
|
|
970 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
1002 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
1003 |
// backward playback |
// backward playback |
1004 |
|
|
1005 |
unsigned long swapareastart = totalreadsamples; |
file_offset_t swapareastart = totalreadsamples; |
1006 |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
file_offset_t loopoffset = GetPos() - loop.LoopStart; |
1007 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
file_offset_t samplestoreadinloop = Min(samplestoread, loopoffset); |
1008 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
file_offset_t reverseplaybackend = GetPos() - samplestoreadinloop; |
1009 |
|
|
1010 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
1011 |
|
|
1053 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
1054 |
// backward playback |
// backward playback |
1055 |
|
|
1056 |
unsigned long swapareastart = totalreadsamples; |
file_offset_t swapareastart = totalreadsamples; |
1057 |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
file_offset_t loopoffset = GetPos() - loop.LoopStart; |
1058 |
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) |
1059 |
: samplestoread; |
: samplestoread; |
1060 |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
file_offset_t reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
1061 |
|
|
1062 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
1063 |
|
|
1137 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
1138 |
* @see SetPos(), CreateDecompressionBuffer() |
* @see SetPos(), CreateDecompressionBuffer() |
1139 |
*/ |
*/ |
1140 |
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) { |
1141 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
1142 |
if (!Compressed) { |
if (!Compressed) { |
1143 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1152 |
else { |
else { |
1153 |
if (this->SamplePos >= this->SamplesTotal) return 0; |
if (this->SamplePos >= this->SamplesTotal) return 0; |
1154 |
//TODO: efficiency: maybe we should test for an average compression rate |
//TODO: efficiency: maybe we should test for an average compression rate |
1155 |
unsigned long assumedsize = GuessSize(SampleCount), |
file_offset_t assumedsize = GuessSize(SampleCount), |
1156 |
remainingbytes = 0, // remaining bytes in the local buffer |
remainingbytes = 0, // remaining bytes in the local buffer |
1157 |
remainingsamples = SampleCount, |
remainingsamples = SampleCount, |
1158 |
copysamples, skipsamples, |
copysamples, skipsamples, |
1175 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
1176 |
|
|
1177 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1178 |
unsigned long framesamples = SamplesPerFrame; |
file_offset_t framesamples = SamplesPerFrame; |
1179 |
unsigned long framebytes, rightChannelOffset = 0, nextFrameOffset; |
file_offset_t framebytes, rightChannelOffset = 0, nextFrameOffset; |
1180 |
|
|
1181 |
int mode_l = *pSrc++, mode_r = 0; |
int mode_l = *pSrc++, mode_r = 0; |
1182 |
|
|
1326 |
* @throws gig::Exception if sample is compressed |
* @throws gig::Exception if sample is compressed |
1327 |
* @see DLS::LoadSampleData() |
* @see DLS::LoadSampleData() |
1328 |
*/ |
*/ |
1329 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
file_offset_t Sample::Write(void* pBuffer, file_offset_t SampleCount) { |
1330 |
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)"); |
1331 |
|
|
1332 |
// if this is the first write in this sample, reset the |
// if this is the first write in this sample, reset the |
1335 |
__resetCRC(crc); |
__resetCRC(crc); |
1336 |
} |
} |
1337 |
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"); |
1338 |
unsigned long res; |
file_offset_t res; |
1339 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1340 |
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1341 |
} else { // 16 bit |
} else { // 16 bit |
1347 |
// if this is the last write, update the checksum chunk in the |
// if this is the last write, update the checksum chunk in the |
1348 |
// file |
// file |
1349 |
if (pCkData->GetPos() == pCkData->GetSize()) { |
if (pCkData->GetPos() == pCkData->GetSize()) { |
1350 |
|
__finalizeCRC(crc); |
1351 |
File* pFile = static_cast<File*>(GetParent()); |
File* pFile = static_cast<File*>(GetParent()); |
1352 |
pFile->SetSampleChecksum(this, __encodeCRC(crc)); |
pFile->SetSampleChecksum(this, crc); |
1353 |
} |
} |
1354 |
return res; |
return res; |
1355 |
} |
} |
1370 |
* @returns allocated decompression buffer |
* @returns allocated decompression buffer |
1371 |
* @see DestroyDecompressionBuffer() |
* @see DestroyDecompressionBuffer() |
1372 |
*/ |
*/ |
1373 |
buffer_t Sample::CreateDecompressionBuffer(unsigned long MaxReadSize) { |
buffer_t Sample::CreateDecompressionBuffer(file_offset_t MaxReadSize) { |
1374 |
buffer_t result; |
buffer_t result; |
1375 |
const double worstCaseHeaderOverhead = |
const double worstCaseHeaderOverhead = |
1376 |
(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; |
1377 |
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); |
1378 |
result.pStart = new int8_t[result.Size]; |
result.pStart = new int8_t[result.Size]; |
1379 |
result.NullExtensionSize = 0; |
result.NullExtensionSize = 0; |
1380 |
return result; |
return result; |
1408 |
return pGroup; |
return pGroup; |
1409 |
} |
} |
1410 |
|
|
1411 |
|
/** |
1412 |
|
* Returns the CRC-32 checksum of the sample's raw wave form data at the |
1413 |
|
* time when this sample's wave form data was modified for the last time |
1414 |
|
* by calling Write(). This checksum only covers the raw wave form data, |
1415 |
|
* not any meta informations like i.e. bit depth or loop points. Since |
1416 |
|
* this method just returns the checksum stored for this sample i.e. when |
1417 |
|
* the gig file was loaded, this method returns immediately. So it does no |
1418 |
|
* recalcuation of the checksum with the currently available sample wave |
1419 |
|
* form data. |
1420 |
|
* |
1421 |
|
* @see VerifyWaveData() |
1422 |
|
*/ |
1423 |
|
uint32_t Sample::GetWaveDataCRC32Checksum() { |
1424 |
|
return crc; |
1425 |
|
} |
1426 |
|
|
1427 |
|
/** |
1428 |
|
* Checks the integrity of this sample's raw audio wave data. Whenever a |
1429 |
|
* Sample's raw wave data is intentionally modified (i.e. by calling |
1430 |
|
* Write() and supplying the new raw audio wave form data) a CRC32 checksum |
1431 |
|
* is calculated and stored/updated for this sample, along to the sample's |
1432 |
|
* meta informations. |
1433 |
|
* |
1434 |
|
* Now by calling this method the current raw audio wave data is checked |
1435 |
|
* against the already stored CRC32 check sum in order to check whether the |
1436 |
|
* sample data had been damaged unintentionally for some reason. Since by |
1437 |
|
* calling this method always the entire raw audio wave data has to be |
1438 |
|
* read, verifying all samples this way may take a long time accordingly. |
1439 |
|
* And that's also the reason why the sample integrity is not checked by |
1440 |
|
* default whenever a gig file is loaded. So this method must be called |
1441 |
|
* explicitly to fulfill this task. |
1442 |
|
* |
1443 |
|
* @param pActually - (optional) if provided, will be set to the actually |
1444 |
|
* calculated checksum of the current raw wave form data, |
1445 |
|
* you can get the expected checksum instead by calling |
1446 |
|
* GetWaveDataCRC32Checksum() |
1447 |
|
* @returns true if sample is OK or false if the sample is damaged |
1448 |
|
* @throws Exception if no checksum had been stored to disk for this |
1449 |
|
* sample yet, or on I/O issues |
1450 |
|
* @see GetWaveDataCRC32Checksum() |
1451 |
|
*/ |
1452 |
|
bool Sample::VerifyWaveData(uint32_t* pActually) { |
1453 |
|
//File* pFile = static_cast<File*>(GetParent()); |
1454 |
|
uint32_t crc = CalculateWaveDataChecksum(); |
1455 |
|
if (pActually) *pActually = crc; |
1456 |
|
return crc == this->crc; |
1457 |
|
} |
1458 |
|
|
1459 |
|
uint32_t Sample::CalculateWaveDataChecksum() { |
1460 |
|
const size_t sz = 20*1024; // 20kB buffer size |
1461 |
|
std::vector<uint8_t> buffer(sz); |
1462 |
|
buffer.resize(sz); |
1463 |
|
|
1464 |
|
const size_t n = sz / FrameSize; |
1465 |
|
SetPos(0); |
1466 |
|
uint32_t crc = 0; |
1467 |
|
__resetCRC(crc); |
1468 |
|
while (true) { |
1469 |
|
file_offset_t nRead = Read(&buffer[0], n); |
1470 |
|
if (nRead <= 0) break; |
1471 |
|
__calculateCRC(&buffer[0], nRead * FrameSize, crc); |
1472 |
|
} |
1473 |
|
__finalizeCRC(crc); |
1474 |
|
return crc; |
1475 |
|
} |
1476 |
|
|
1477 |
Sample::~Sample() { |
Sample::~Sample() { |
1478 |
Instances--; |
Instances--; |
1479 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
1490 |
// *************** DimensionRegion *************** |
// *************** DimensionRegion *************** |
1491 |
// * |
// * |
1492 |
|
|
1493 |
uint DimensionRegion::Instances = 0; |
size_t DimensionRegion::Instances = 0; |
1494 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1495 |
|
|
1496 |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1506 |
|
|
1507 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1508 |
if (_3ewa) { // if '3ewa' chunk exists |
if (_3ewa) { // if '3ewa' chunk exists |
1509 |
|
_3ewa->SetPos(0); |
1510 |
|
|
1511 |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
1512 |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1513 |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1686 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1687 |
EG2Decay1 = 0.005; |
EG2Decay1 = 0.005; |
1688 |
EG2Sustain = 1000; |
EG2Sustain = 1000; |
1689 |
EG2Release = 0.3; |
EG2Release = 60; |
1690 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1691 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1692 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1740 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1741 |
memset(DimensionUpperLimits, 127, 8); |
memset(DimensionUpperLimits, 127, 8); |
1742 |
} |
} |
1743 |
|
// chunk for own format extensions, these will *NOT* work with Gigasampler/GigaStudio ! |
1744 |
|
RIFF::Chunk* lsde = _3ewl->GetSubChunk(CHUNK_ID_LSDE); |
1745 |
|
if (lsde) { // format extension for EG behavior options |
1746 |
|
lsde->SetPos(0); |
1747 |
|
|
1748 |
|
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
1749 |
|
for (int i = 0; i < 2; ++i) { // NOTE: we reserved a 3rd byte for a potential future EG3 option |
1750 |
|
unsigned char byte = lsde->ReadUint8(); |
1751 |
|
pEGOpts[i]->AttackCancel = byte & 1; |
1752 |
|
pEGOpts[i]->AttackHoldCancel = byte & (1 << 1); |
1753 |
|
pEGOpts[i]->Decay1Cancel = byte & (1 << 2); |
1754 |
|
pEGOpts[i]->Decay2Cancel = byte & (1 << 3); |
1755 |
|
pEGOpts[i]->ReleaseCancel = byte & (1 << 4); |
1756 |
|
} |
1757 |
|
} |
1758 |
|
// format extension for sustain pedal up effect on release trigger samples |
1759 |
|
if (lsde && lsde->GetSize() > 3) { // NOTE: we reserved the 3rd byte for a potential future EG3 option |
1760 |
|
lsde->SetPos(3); |
1761 |
|
uint8_t byte = lsde->ReadUint8(); |
1762 |
|
SustainReleaseTrigger = static_cast<sust_rel_trg_t>(byte & 0x03); |
1763 |
|
NoNoteOffReleaseTrigger = byte >> 7; |
1764 |
|
} else { |
1765 |
|
SustainReleaseTrigger = sust_rel_trg_none; |
1766 |
|
NoNoteOffReleaseTrigger = false; |
1767 |
|
} |
1768 |
|
|
1769 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1770 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1870 |
} |
} |
1871 |
} |
} |
1872 |
|
|
1873 |
|
void DimensionRegion::serialize(Serialization::Archive* archive) { |
1874 |
|
// in case this class will become backward incompatible one day, |
1875 |
|
// then set a version and minimum version for this class like: |
1876 |
|
//archive->setVersion(*this, 2); |
1877 |
|
//archive->setMinVersion(*this, 1); |
1878 |
|
|
1879 |
|
SRLZ(VelocityUpperLimit); |
1880 |
|
SRLZ(EG1PreAttack); |
1881 |
|
SRLZ(EG1Attack); |
1882 |
|
SRLZ(EG1Decay1); |
1883 |
|
SRLZ(EG1Decay2); |
1884 |
|
SRLZ(EG1InfiniteSustain); |
1885 |
|
SRLZ(EG1Sustain); |
1886 |
|
SRLZ(EG1Release); |
1887 |
|
SRLZ(EG1Hold); |
1888 |
|
SRLZ(EG1Controller); |
1889 |
|
SRLZ(EG1ControllerInvert); |
1890 |
|
SRLZ(EG1ControllerAttackInfluence); |
1891 |
|
SRLZ(EG1ControllerDecayInfluence); |
1892 |
|
SRLZ(EG1ControllerReleaseInfluence); |
1893 |
|
SRLZ(LFO1Frequency); |
1894 |
|
SRLZ(LFO1InternalDepth); |
1895 |
|
SRLZ(LFO1ControlDepth); |
1896 |
|
SRLZ(LFO1Controller); |
1897 |
|
SRLZ(LFO1FlipPhase); |
1898 |
|
SRLZ(LFO1Sync); |
1899 |
|
SRLZ(EG2PreAttack); |
1900 |
|
SRLZ(EG2Attack); |
1901 |
|
SRLZ(EG2Decay1); |
1902 |
|
SRLZ(EG2Decay2); |
1903 |
|
SRLZ(EG2InfiniteSustain); |
1904 |
|
SRLZ(EG2Sustain); |
1905 |
|
SRLZ(EG2Release); |
1906 |
|
SRLZ(EG2Controller); |
1907 |
|
SRLZ(EG2ControllerInvert); |
1908 |
|
SRLZ(EG2ControllerAttackInfluence); |
1909 |
|
SRLZ(EG2ControllerDecayInfluence); |
1910 |
|
SRLZ(EG2ControllerReleaseInfluence); |
1911 |
|
SRLZ(LFO2Frequency); |
1912 |
|
SRLZ(LFO2InternalDepth); |
1913 |
|
SRLZ(LFO2ControlDepth); |
1914 |
|
SRLZ(LFO2Controller); |
1915 |
|
SRLZ(LFO2FlipPhase); |
1916 |
|
SRLZ(LFO2Sync); |
1917 |
|
SRLZ(EG3Attack); |
1918 |
|
SRLZ(EG3Depth); |
1919 |
|
SRLZ(LFO3Frequency); |
1920 |
|
SRLZ(LFO3InternalDepth); |
1921 |
|
SRLZ(LFO3ControlDepth); |
1922 |
|
SRLZ(LFO3Controller); |
1923 |
|
SRLZ(LFO3Sync); |
1924 |
|
SRLZ(VCFEnabled); |
1925 |
|
SRLZ(VCFType); |
1926 |
|
SRLZ(VCFCutoffController); |
1927 |
|
SRLZ(VCFCutoffControllerInvert); |
1928 |
|
SRLZ(VCFCutoff); |
1929 |
|
SRLZ(VCFVelocityCurve); |
1930 |
|
SRLZ(VCFVelocityScale); |
1931 |
|
SRLZ(VCFVelocityDynamicRange); |
1932 |
|
SRLZ(VCFResonance); |
1933 |
|
SRLZ(VCFResonanceDynamic); |
1934 |
|
SRLZ(VCFResonanceController); |
1935 |
|
SRLZ(VCFKeyboardTracking); |
1936 |
|
SRLZ(VCFKeyboardTrackingBreakpoint); |
1937 |
|
SRLZ(VelocityResponseCurve); |
1938 |
|
SRLZ(VelocityResponseDepth); |
1939 |
|
SRLZ(VelocityResponseCurveScaling); |
1940 |
|
SRLZ(ReleaseVelocityResponseCurve); |
1941 |
|
SRLZ(ReleaseVelocityResponseDepth); |
1942 |
|
SRLZ(ReleaseTriggerDecay); |
1943 |
|
SRLZ(Crossfade); |
1944 |
|
SRLZ(PitchTrack); |
1945 |
|
SRLZ(DimensionBypass); |
1946 |
|
SRLZ(Pan); |
1947 |
|
SRLZ(SelfMask); |
1948 |
|
SRLZ(AttenuationController); |
1949 |
|
SRLZ(InvertAttenuationController); |
1950 |
|
SRLZ(AttenuationControllerThreshold); |
1951 |
|
SRLZ(ChannelOffset); |
1952 |
|
SRLZ(SustainDefeat); |
1953 |
|
SRLZ(MSDecode); |
1954 |
|
//SRLZ(SampleStartOffset); |
1955 |
|
SRLZ(SampleAttenuation); |
1956 |
|
SRLZ(EG1Options); |
1957 |
|
SRLZ(EG2Options); |
1958 |
|
SRLZ(SustainReleaseTrigger); |
1959 |
|
SRLZ(NoNoteOffReleaseTrigger); |
1960 |
|
|
1961 |
|
// derived attributes from DLS::Sampler |
1962 |
|
SRLZ(FineTune); |
1963 |
|
SRLZ(Gain); |
1964 |
|
} |
1965 |
|
|
1966 |
/** |
/** |
1967 |
* Updates the respective member variable and updates @c SampleAttenuation |
* Updates the respective member variable and updates @c SampleAttenuation |
1968 |
* which depends on this value. |
* which depends on this value. |
1978 |
* |
* |
1979 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
1980 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
1981 |
|
* |
1982 |
|
* @param pProgress - callback function for progress notification |
1983 |
*/ |
*/ |
1984 |
void DimensionRegion::UpdateChunks() { |
void DimensionRegion::UpdateChunks(progress_t* pProgress) { |
1985 |
// first update base class's chunk |
// first update base class's chunk |
1986 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(pProgress); |
1987 |
|
|
1988 |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1989 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1996 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1997 |
if (!_3ewa) { |
if (!_3ewa) { |
1998 |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
1999 |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
bool versiongt2 = pFile->pVersion && pFile->pVersion->major > 2; |
2000 |
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, versiongt2 ? 148 : 140); |
2001 |
} |
} |
2002 |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
2003 |
|
|
2004 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
2005 |
|
|
2006 |
const uint32_t chunksize = _3ewa->GetNewSize(); |
const uint32_t chunksize = (uint32_t) _3ewa->GetNewSize(); |
2007 |
store32(&pData[0], chunksize); // unknown, always chunk size? |
store32(&pData[0], chunksize); // unknown, always chunk size? |
2008 |
|
|
2009 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
2263 |
if (chunksize >= 148) { |
if (chunksize >= 148) { |
2264 |
memcpy(&pData[140], DimensionUpperLimits, 8); |
memcpy(&pData[140], DimensionUpperLimits, 8); |
2265 |
} |
} |
2266 |
|
|
2267 |
|
// chunk for own format extensions, these will *NOT* work with |
2268 |
|
// Gigasampler/GigaStudio ! |
2269 |
|
RIFF::Chunk* lsde = pParentList->GetSubChunk(CHUNK_ID_LSDE); |
2270 |
|
const int lsdeSize = 4; // NOTE: we reserved the 3rd byte for a potential future EG3 option |
2271 |
|
if (!lsde) { |
2272 |
|
// only add this "LSDE" chunk if either EG options or release |
2273 |
|
// trigger options deviate from their default behaviour |
2274 |
|
eg_opt_t defaultOpt; |
2275 |
|
if (memcmp(&EG1Options, &defaultOpt, sizeof(eg_opt_t)) || |
2276 |
|
memcmp(&EG2Options, &defaultOpt, sizeof(eg_opt_t)) || |
2277 |
|
SustainReleaseTrigger || NoNoteOffReleaseTrigger) |
2278 |
|
{ |
2279 |
|
lsde = pParentList->AddSubChunk(CHUNK_ID_LSDE, lsdeSize); |
2280 |
|
// move LSDE chunk to the end of parent list |
2281 |
|
pParentList->MoveSubChunk(lsde, (RIFF::Chunk*)NULL); |
2282 |
|
} |
2283 |
|
} |
2284 |
|
if (lsde) { |
2285 |
|
if (lsde->GetNewSize() < lsdeSize) |
2286 |
|
lsde->Resize(lsdeSize); |
2287 |
|
// format extension for EG behavior options |
2288 |
|
unsigned char* pData = (unsigned char*) lsde->LoadChunkData(); |
2289 |
|
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
2290 |
|
for (int i = 0; i < 2; ++i) { // NOTE: we reserved the 3rd byte for a potential future EG3 option |
2291 |
|
pData[i] = |
2292 |
|
(pEGOpts[i]->AttackCancel ? 1 : 0) | |
2293 |
|
(pEGOpts[i]->AttackHoldCancel ? (1<<1) : 0) | |
2294 |
|
(pEGOpts[i]->Decay1Cancel ? (1<<2) : 0) | |
2295 |
|
(pEGOpts[i]->Decay2Cancel ? (1<<3) : 0) | |
2296 |
|
(pEGOpts[i]->ReleaseCancel ? (1<<4) : 0); |
2297 |
|
} |
2298 |
|
// format extension for release trigger options |
2299 |
|
pData[3] = static_cast<uint8_t>(SustainReleaseTrigger) | (NoNoteOffReleaseTrigger ? (1<<7) : 0); |
2300 |
|
} |
2301 |
} |
} |
2302 |
|
|
2303 |
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
2337 |
// 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 |
2338 |
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) |
2339 |
{ |
{ |
2340 |
|
// sanity check input parameters |
2341 |
|
// (fallback to some default parameters on ill input) |
2342 |
|
switch (curveType) { |
2343 |
|
case curve_type_nonlinear: |
2344 |
|
case curve_type_linear: |
2345 |
|
if (depth > 4) { |
2346 |
|
printf("Warning: Invalid depth (0x%x) for velocity curve type (0x%x).\n", depth, curveType); |
2347 |
|
depth = 0; |
2348 |
|
scaling = 0; |
2349 |
|
} |
2350 |
|
break; |
2351 |
|
case curve_type_special: |
2352 |
|
if (depth > 5) { |
2353 |
|
printf("Warning: Invalid depth (0x%x) for velocity curve type 'special'.\n", depth); |
2354 |
|
depth = 0; |
2355 |
|
scaling = 0; |
2356 |
|
} |
2357 |
|
break; |
2358 |
|
case curve_type_unknown: |
2359 |
|
default: |
2360 |
|
printf("Warning: Unknown velocity curve type (0x%x).\n", curveType); |
2361 |
|
curveType = curve_type_linear; |
2362 |
|
depth = 0; |
2363 |
|
scaling = 0; |
2364 |
|
break; |
2365 |
|
} |
2366 |
|
|
2367 |
double* table; |
double* table; |
2368 |
uint32_t tableKey = (curveType<<16) | (depth<<8) | scaling; |
uint32_t tableKey = (curveType<<16) | (depth<<8) | scaling; |
2369 |
if (pVelocityTables->count(tableKey)) { // if key exists |
if (pVelocityTables->count(tableKey)) { // if key exists |
2739 |
|
|
2740 |
// unknown controller type |
// unknown controller type |
2741 |
default: |
default: |
2742 |
throw gig::Exception("Unknown leverage controller type."); |
decodedcontroller.type = leverage_ctrl_t::type_none; |
2743 |
|
decodedcontroller.controller_number = 0; |
2744 |
|
printf("Warning: Unknown leverage controller type (0x%x).\n", EncodedController); |
2745 |
|
break; |
2746 |
} |
} |
2747 |
return decodedcontroller; |
return decodedcontroller; |
2748 |
} |
} |
3236 |
} |
} |
3237 |
Layers = 1; |
Layers = 1; |
3238 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
3239 |
int dimensionBits = (file->pVersion && file->pVersion->major == 3) ? 8 : 5; |
int dimensionBits = (file->pVersion && file->pVersion->major > 2) ? 8 : 5; |
3240 |
|
|
3241 |
// Actual Loading |
// Actual Loading |
3242 |
|
|
3246 |
|
|
3247 |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
3248 |
if (_3lnk) { |
if (_3lnk) { |
3249 |
|
_3lnk->SetPos(0); |
3250 |
|
|
3251 |
DimensionRegions = _3lnk->ReadUint32(); |
DimensionRegions = _3lnk->ReadUint32(); |
3252 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
3253 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
3282 |
UpdateVelocityTable(); |
UpdateVelocityTable(); |
3283 |
|
|
3284 |
// jump to start of the wave pool indices (if not already there) |
// jump to start of the wave pool indices (if not already there) |
3285 |
if (file->pVersion && file->pVersion->major == 3) |
if (file->pVersion && file->pVersion->major > 2) |
3286 |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
3287 |
else |
else |
3288 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
3291 |
if (file->GetAutoLoad()) { |
if (file->GetAutoLoad()) { |
3292 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
3293 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
3294 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable && pDimensionRegions[i]) |
3295 |
|
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
3296 |
} |
} |
3297 |
GetSample(); // load global region sample reference |
GetSample(); // load global region sample reference |
3298 |
} |
} |
3322 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
3323 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
3324 |
* |
* |
3325 |
|
* @param pProgress - callback function for progress notification |
3326 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
3327 |
*/ |
*/ |
3328 |
void Region::UpdateChunks() { |
void Region::UpdateChunks(progress_t* pProgress) { |
3329 |
// 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 |
3330 |
// 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 |
3331 |
// 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 |
3333 |
pSample = pDimensionRegions[0]->pSample; |
pSample = pDimensionRegions[0]->pSample; |
3334 |
|
|
3335 |
// first update base class's chunks |
// first update base class's chunks |
3336 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(pProgress); |
3337 |
|
|
3338 |
// update dimension region's chunks |
// update dimension region's chunks |
3339 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
3340 |
pDimensionRegions[i]->UpdateChunks(); |
pDimensionRegions[i]->UpdateChunks(pProgress); |
3341 |
} |
} |
3342 |
|
|
3343 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
3344 |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
bool versiongt2 = pFile->pVersion && pFile->pVersion->major > 2; |
3345 |
const int iMaxDimensions = version3 ? 8 : 5; |
const int iMaxDimensions = versiongt2 ? 8 : 5; |
3346 |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
const int iMaxDimensionRegions = versiongt2 ? 256 : 32; |
3347 |
|
|
3348 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
3349 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
3350 |
if (!_3lnk) { |
if (!_3lnk) { |
3351 |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
const int _3lnkChunkSize = versiongt2 ? 1092 : 172; |
3352 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
3353 |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
3354 |
|
|
3372 |
} |
} |
3373 |
|
|
3374 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
3375 |
const int iWavePoolOffset = version3 ? 68 : 44; |
const int iWavePoolOffset = versiongt2 ? 68 : 44; |
3376 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
3377 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
3378 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
3427 |
int step = 1; |
int step = 1; |
3428 |
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
3429 |
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
|
int end = step * pDimensionDefinitions[veldim].zones; |
|
3430 |
|
|
3431 |
// loop through all dimension regions for all dimensions except the velocity dimension |
// loop through all dimension regions for all dimensions except the velocity dimension |
3432 |
int dim[8] = { 0 }; |
int dim[8] = { 0 }; |
3433 |
for (int i = 0 ; i < DimensionRegions ; i++) { |
for (int i = 0 ; i < DimensionRegions ; i++) { |
3434 |
|
const int end = i + step * pDimensionDefinitions[veldim].zones; |
3435 |
|
|
3436 |
|
// create a velocity table for all cases where the velocity zone is zero |
3437 |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
3438 |
pDimensionRegions[i]->VelocityUpperLimit) { |
pDimensionRegions[i]->VelocityUpperLimit) { |
3439 |
// create the velocity table |
// create the velocity table |
3464 |
} |
} |
3465 |
} |
} |
3466 |
|
|
3467 |
|
// jump to the next case where the velocity zone is zero |
3468 |
int j; |
int j; |
3469 |
int shift = 0; |
int shift = 0; |
3470 |
for (j = 0 ; j < Dimensions ; j++) { |
for (j = 0 ; j < Dimensions ; j++) { |
3515 |
|
|
3516 |
// check if max. amount of dimensions reached |
// check if max. amount of dimensions reached |
3517 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
3518 |
const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5; |
const int iMaxDimensions = (file->pVersion && file->pVersion->major > 2) ? 8 : 5; |
3519 |
if (Dimensions >= iMaxDimensions) |
if (Dimensions >= iMaxDimensions) |
3520 |
throw gig::Exception("Could not add new dimension, max. amount of " + ToString(iMaxDimensions) + " dimensions already reached"); |
throw gig::Exception("Could not add new dimension, max. amount of " + ToString(iMaxDimensions) + " dimensions already reached"); |
3521 |
// check if max. amount of dimension bits reached |
// check if max. amount of dimension bits reached |
3807 |
} |
} |
3808 |
|
|
3809 |
// delete temporary region |
// delete temporary region |
3810 |
|
tempRgn->DeleteChunks(); |
3811 |
delete tempRgn; |
delete tempRgn; |
3812 |
|
|
3813 |
UpdateVelocityTable(); |
UpdateVelocityTable(); |
3947 |
} |
} |
3948 |
|
|
3949 |
// delete temporary region |
// delete temporary region |
3950 |
|
tempRgn->DeleteChunks(); |
3951 |
delete tempRgn; |
delete tempRgn; |
3952 |
|
|
3953 |
UpdateVelocityTable(); |
UpdateVelocityTable(); |
3954 |
} |
} |
3955 |
|
|
3956 |
|
/** @brief Change type of an existing dimension. |
3957 |
|
* |
3958 |
|
* Alters the dimension type of a dimension already existing on this |
3959 |
|
* region. If there is currently no dimension on this Region with type |
3960 |
|
* @a oldType, then this call with throw an Exception. Likewise there are |
3961 |
|
* cases where the requested dimension type cannot be performed. For example |
3962 |
|
* if the new dimension type shall be gig::dimension_samplechannel, and the |
3963 |
|
* current dimension has more than 2 zones. In such cases an Exception is |
3964 |
|
* thrown as well. |
3965 |
|
* |
3966 |
|
* @param oldType - identifies the existing dimension to be changed |
3967 |
|
* @param newType - to which dimension type it should be changed to |
3968 |
|
* @throws gig::Exception if requested change cannot be performed |
3969 |
|
*/ |
3970 |
|
void Region::SetDimensionType(dimension_t oldType, dimension_t newType) { |
3971 |
|
if (oldType == newType) return; |
3972 |
|
dimension_def_t* def = GetDimensionDefinition(oldType); |
3973 |
|
if (!def) |
3974 |
|
throw gig::Exception("No dimension with provided old dimension type exists on this region"); |
3975 |
|
if (newType == dimension_samplechannel && def->zones != 2) |
3976 |
|
throw gig::Exception("Cannot change to dimension type 'sample channel', because existing dimension does not have 2 zones"); |
3977 |
|
if (GetDimensionDefinition(newType)) |
3978 |
|
throw gig::Exception("There is already a dimension with requested new dimension type on this region"); |
3979 |
|
def->dimension = newType; |
3980 |
|
def->split_type = __resolveSplitType(newType); |
3981 |
|
} |
3982 |
|
|
3983 |
DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) { |
DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) { |
3984 |
uint8_t bits[8] = {}; |
uint8_t bits[8] = {}; |
3985 |
for (std::map<dimension_t,int>::const_iterator it = DimCase.begin(); |
for (std::map<dimension_t,int>::const_iterator it = DimCase.begin(); |
4041 |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
4042 |
uint8_t bits; |
uint8_t bits; |
4043 |
int veldim = -1; |
int veldim = -1; |
4044 |
int velbitpos; |
int velbitpos = 0; |
4045 |
int bitpos = 0; |
int bitpos = 0; |
4046 |
int dimregidx = 0; |
int dimregidx = 0; |
4047 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
4090 |
int Region::GetDimensionRegionIndexByValue(const uint DimValues[8]) { |
int Region::GetDimensionRegionIndexByValue(const uint DimValues[8]) { |
4091 |
uint8_t bits; |
uint8_t bits; |
4092 |
int veldim = -1; |
int veldim = -1; |
4093 |
int velbitpos; |
int velbitpos = 0; |
4094 |
int bitpos = 0; |
int bitpos = 0; |
4095 |
int dimregidx = 0; |
int dimregidx = 0; |
4096 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
4175 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
4176 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
4177 |
if (!file->pWavePoolTable) return NULL; |
if (!file->pWavePoolTable) return NULL; |
4178 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
if (WavePoolTableIndex + 1 > file->WavePoolCount) return NULL; |
4179 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
// for new files or files >= 2 GB use 64 bit wave pool offsets |
4180 |
Sample* sample = file->GetFirstSample(pProgress); |
if (file->pRIFF->IsNew() || (file->pRIFF->GetCurrentFileSize() >> 31)) { |
4181 |
while (sample) { |
// use 64 bit wave pool offsets (treating this as large file) |
4182 |
if (sample->ulWavePoolOffset == soughtoffset && |
uint64_t soughtoffset = |
4183 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
uint64_t(file->pWavePoolTable[WavePoolTableIndex]) | |
4184 |
sample = file->GetNextSample(); |
uint64_t(file->pWavePoolTableHi[WavePoolTableIndex]) << 32; |
4185 |
|
Sample* sample = file->GetFirstSample(pProgress); |
4186 |
|
while (sample) { |
4187 |
|
if (sample->ullWavePoolOffset == soughtoffset) |
4188 |
|
return static_cast<gig::Sample*>(sample); |
4189 |
|
sample = file->GetNextSample(); |
4190 |
|
} |
4191 |
|
} else { |
4192 |
|
// use extension files and 32 bit wave pool offsets |
4193 |
|
file_offset_t soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
4194 |
|
file_offset_t soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
4195 |
|
Sample* sample = file->GetFirstSample(pProgress); |
4196 |
|
while (sample) { |
4197 |
|
if (sample->ullWavePoolOffset == soughtoffset && |
4198 |
|
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
4199 |
|
sample = file->GetNextSample(); |
4200 |
|
} |
4201 |
} |
} |
4202 |
return NULL; |
return NULL; |
4203 |
} |
} |
4426 |
pGroup = group; |
pGroup = group; |
4427 |
pChunk = ckScri; |
pChunk = ckScri; |
4428 |
if (ckScri) { // object is loaded from file ... |
if (ckScri) { // object is loaded from file ... |
4429 |
|
ckScri->SetPos(0); |
4430 |
|
|
4431 |
// read header |
// read header |
4432 |
uint32_t headerSize = ckScri->ReadUint32(); |
uint32_t headerSize = ckScri->ReadUint32(); |
4433 |
Compression = (Compression_t) ckScri->ReadUint32(); |
Compression = (Compression_t) ckScri->ReadUint32(); |
4440 |
for (int i = 0; i < nameSize; ++i) |
for (int i = 0; i < nameSize; ++i) |
4441 |
Name[i] = ckScri->ReadUint8(); |
Name[i] = ckScri->ReadUint8(); |
4442 |
// to handle potential future extensions of the header |
// to handle potential future extensions of the header |
4443 |
ckScri->SetPos(headerSize - 6*sizeof(int32_t) + nameSize, RIFF::stream_curpos); |
ckScri->SetPos(sizeof(int32_t) + headerSize); |
4444 |
// read actual script data |
// read actual script data |
4445 |
uint32_t scriptSize = ckScri->GetSize() - ckScri->GetPos(); |
uint32_t scriptSize = uint32_t(ckScri->GetSize() - ckScri->GetPos()); |
4446 |
data.resize(scriptSize); |
data.resize(scriptSize); |
4447 |
for (int i = 0; i < scriptSize; ++i) |
for (int i = 0; i < scriptSize; ++i) |
4448 |
data[i] = ckScri->ReadUint8(); |
data[i] = ckScri->ReadUint8(); |
4480 |
memcpy(&data[0], &text[0], text.size()); |
memcpy(&data[0], &text[0], text.size()); |
4481 |
} |
} |
4482 |
|
|
4483 |
void Script::UpdateChunks() { |
/** @brief Remove all RIFF chunks associated with this Script object. |
4484 |
|
* |
4485 |
|
* At the moment Script::DeleteChunks() does nothing. It is |
4486 |
|
* recommended to call this method explicitly though from deriving classes's |
4487 |
|
* own overridden implementation of this method to avoid potential future |
4488 |
|
* compatiblity issues. |
4489 |
|
* |
4490 |
|
* See DLS::Storage::DeleteChunks() for details. |
4491 |
|
*/ |
4492 |
|
void Script::DeleteChunks() { |
4493 |
|
} |
4494 |
|
|
4495 |
|
/** |
4496 |
|
* Apply this script to the respective RIFF chunks. You have to call |
4497 |
|
* File::Save() to make changes persistent. |
4498 |
|
* |
4499 |
|
* Usually there is absolutely no need to call this method explicitly. |
4500 |
|
* It will be called automatically when File::Save() was called. |
4501 |
|
* |
4502 |
|
* @param pProgress - callback function for progress notification |
4503 |
|
*/ |
4504 |
|
void Script::UpdateChunks(progress_t* pProgress) { |
4505 |
// recalculate CRC32 check sum |
// recalculate CRC32 check sum |
4506 |
__resetCRC(crc); |
__resetCRC(crc); |
4507 |
__calculateCRC(&data[0], data.size(), crc); |
__calculateCRC(&data[0], data.size(), crc); |
4508 |
__encodeCRC(crc); |
__finalizeCRC(crc); |
4509 |
// make sure chunk exists and has the required size |
// make sure chunk exists and has the required size |
4510 |
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(); |
4511 |
if (!pChunk) pChunk = pGroup->pList->AddSubChunk(CHUNK_ID_SCRI, chunkSize); |
if (!pChunk) pChunk = pGroup->pList->AddSubChunk(CHUNK_ID_SCRI, chunkSize); |
4512 |
else pChunk->Resize(chunkSize); |
else pChunk->Resize(chunkSize); |
4513 |
// fill the chunk data to be written to disk |
// fill the chunk data to be written to disk |
4514 |
uint8_t* pData = (uint8_t*) pChunk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pChunk->LoadChunkData(); |
4515 |
int pos = 0; |
int pos = 0; |
4516 |
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 |
4517 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4518 |
store32(&pData[pos], Compression); |
store32(&pData[pos], Compression); |
4519 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4525 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4526 |
store32(&pData[pos], crc); |
store32(&pData[pos], crc); |
4527 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4528 |
store32(&pData[pos], Name.size()); |
store32(&pData[pos], (uint32_t) Name.size()); |
4529 |
pos += sizeof(int32_t); |
pos += sizeof(int32_t); |
4530 |
for (int i = 0; i < Name.size(); ++i, ++pos) |
for (int i = 0; i < Name.size(); ++i, ++pos) |
4531 |
pData[pos] = Name[i]; |
pData[pos] = Name[i]; |
4540 |
* @param pGroup - script's new group |
* @param pGroup - script's new group |
4541 |
*/ |
*/ |
4542 |
void Script::SetGroup(ScriptGroup* pGroup) { |
void Script::SetGroup(ScriptGroup* pGroup) { |
4543 |
if (this->pGroup = pGroup) return; |
if (this->pGroup == pGroup) return; |
4544 |
if (pChunk) |
if (pChunk) |
4545 |
pChunk->GetParent()->MoveSubChunk(pChunk, pGroup->pList); |
pChunk->GetParent()->MoveSubChunk(pChunk, pGroup->pList); |
4546 |
this->pGroup = pGroup; |
this->pGroup = pGroup; |
4547 |
} |
} |
4548 |
|
|
4549 |
|
/** |
4550 |
|
* Returns the script group this script currently belongs to. Each script |
4551 |
|
* is a member of exactly one ScriptGroup. |
4552 |
|
* |
4553 |
|
* @returns current script group |
4554 |
|
*/ |
4555 |
|
ScriptGroup* Script::GetGroup() const { |
4556 |
|
return pGroup; |
4557 |
|
} |
4558 |
|
|
4559 |
|
/** |
4560 |
|
* Make a (semi) deep copy of the Script object given by @a orig |
4561 |
|
* and assign it to this object. Note: the ScriptGroup this Script |
4562 |
|
* object belongs to remains untouched by this call. |
4563 |
|
* |
4564 |
|
* @param orig - original Script object to be copied from |
4565 |
|
*/ |
4566 |
|
void Script::CopyAssign(const Script* orig) { |
4567 |
|
Name = orig->Name; |
4568 |
|
Compression = orig->Compression; |
4569 |
|
Encoding = orig->Encoding; |
4570 |
|
Language = orig->Language; |
4571 |
|
Bypass = orig->Bypass; |
4572 |
|
data = orig->data; |
4573 |
|
} |
4574 |
|
|
4575 |
void Script::RemoveAllScriptReferences() { |
void Script::RemoveAllScriptReferences() { |
4576 |
File* pFile = pGroup->pFile; |
File* pFile = pGroup->pFile; |
4577 |
for (int i = 0; pFile->GetInstrument(i); ++i) { |
for (int i = 0; pFile->GetInstrument(i); ++i) { |
4607 |
} |
} |
4608 |
} |
} |
4609 |
|
|
4610 |
void ScriptGroup::UpdateChunks() { |
/** @brief Remove all RIFF chunks associated with this ScriptGroup object. |
4611 |
|
* |
4612 |
|
* At the moment ScriptGroup::DeleteChunks() does nothing. It is |
4613 |
|
* recommended to call this method explicitly though from deriving classes's |
4614 |
|
* own overridden implementation of this method to avoid potential future |
4615 |
|
* compatiblity issues. |
4616 |
|
* |
4617 |
|
* See DLS::Storage::DeleteChunks() for details. |
4618 |
|
*/ |
4619 |
|
void ScriptGroup::DeleteChunks() { |
4620 |
|
} |
4621 |
|
|
4622 |
|
/** |
4623 |
|
* Apply this script group to the respective RIFF chunks. You have to call |
4624 |
|
* File::Save() to make changes persistent. |
4625 |
|
* |
4626 |
|
* Usually there is absolutely no need to call this method explicitly. |
4627 |
|
* It will be called automatically when File::Save() was called. |
4628 |
|
* |
4629 |
|
* @param pProgress - callback function for progress notification |
4630 |
|
*/ |
4631 |
|
void ScriptGroup::UpdateChunks(progress_t* pProgress) { |
4632 |
if (pScripts) { |
if (pScripts) { |
4633 |
if (!pList) |
if (!pList) |
4634 |
pList = pFile->pRIFF->GetSubList(LIST_TYPE_3LS)->AddSubList(LIST_TYPE_RTIS); |
pList = pFile->pRIFF->GetSubList(LIST_TYPE_3LS)->AddSubList(LIST_TYPE_RTIS); |
4639 |
for (std::list<Script*>::iterator it = pScripts->begin(); |
for (std::list<Script*>::iterator it = pScripts->begin(); |
4640 |
it != pScripts->end(); ++it) |
it != pScripts->end(); ++it) |
4641 |
{ |
{ |
4642 |
(*it)->UpdateChunks(); |
(*it)->UpdateChunks(pProgress); |
4643 |
} |
} |
4644 |
} |
} |
4645 |
} |
} |
4730 |
EffectSend = 0; |
EffectSend = 0; |
4731 |
Attenuation = 0; |
Attenuation = 0; |
4732 |
FineTune = 0; |
FineTune = 0; |
4733 |
PitchbendRange = 0; |
PitchbendRange = 2; |
4734 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
4735 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
4736 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
4743 |
if (lart) { |
if (lart) { |
4744 |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
4745 |
if (_3ewg) { |
if (_3ewg) { |
4746 |
|
_3ewg->SetPos(0); |
4747 |
|
|
4748 |
EffectSend = _3ewg->ReadUint16(); |
EffectSend = _3ewg->ReadUint16(); |
4749 |
Attenuation = _3ewg->ReadInt32(); |
Attenuation = _3ewg->ReadInt32(); |
4750 |
FineTune = _3ewg->ReadInt16(); |
FineTune = _3ewg->ReadInt16(); |
4804 |
if (lst3LS) { |
if (lst3LS) { |
4805 |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4806 |
if (ckSCSL) { |
if (ckSCSL) { |
4807 |
int slotCount = ckSCSL->ReadUint32(); |
ckSCSL->SetPos(0); |
4808 |
int slotSize = ckSCSL->ReadUint32(); |
|
4809 |
int unknownSpace = slotSize - 2*sizeof(uint32_t); // in case of future extensions |
int headerSize = ckSCSL->ReadUint32(); |
4810 |
for (int i = 0; i < slotCount; ++i) { |
int slotCount = ckSCSL->ReadUint32(); |
4811 |
_ScriptPooolEntry e; |
if (slotCount) { |
4812 |
e.fileOffset = ckSCSL->ReadUint32(); |
int slotSize = ckSCSL->ReadUint32(); |
4813 |
e.bypass = ckSCSL->ReadUint32() & 1; |
ckSCSL->SetPos(headerSize); // in case of future header extensions |
4814 |
if (unknownSpace) ckSCSL->SetPos(unknownSpace, RIFF::stream_curpos); // in case of future extensions |
int unknownSpace = slotSize - 2*sizeof(uint32_t); // in case of future slot extensions |
4815 |
scriptPoolFileOffsets.push_back(e); |
for (int i = 0; i < slotCount; ++i) { |
4816 |
|
_ScriptPooolEntry e; |
4817 |
|
e.fileOffset = ckSCSL->ReadUint32(); |
4818 |
|
e.bypass = ckSCSL->ReadUint32() & 1; |
4819 |
|
if (unknownSpace) ckSCSL->SetPos(unknownSpace, RIFF::stream_curpos); // in case of future extensions |
4820 |
|
scriptPoolFileOffsets.push_back(e); |
4821 |
|
} |
4822 |
} |
} |
4823 |
} |
} |
4824 |
} |
} |
4832 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
4833 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
4834 |
gig::Region* pRegion = static_cast<gig::Region*>(*iter); |
gig::Region* pRegion = static_cast<gig::Region*>(*iter); |
4835 |
for (int iKey = pRegion->KeyRange.low; iKey <= pRegion->KeyRange.high; iKey++) { |
const int low = std::max(int(pRegion->KeyRange.low), 0); |
4836 |
|
const int high = std::min(int(pRegion->KeyRange.high), 127); |
4837 |
|
for (int iKey = low; iKey <= high; iKey++) { |
4838 |
RegionKeyTable[iKey] = pRegion; |
RegionKeyTable[iKey] = pRegion; |
4839 |
} |
} |
4840 |
} |
} |
4855 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
4856 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
4857 |
* |
* |
4858 |
|
* @param pProgress - callback function for progress notification |
4859 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
4860 |
*/ |
*/ |
4861 |
void Instrument::UpdateChunks() { |
void Instrument::UpdateChunks(progress_t* pProgress) { |
4862 |
// first update base classes' chunks |
// first update base classes' chunks |
4863 |
DLS::Instrument::UpdateChunks(); |
DLS::Instrument::UpdateChunks(pProgress); |
4864 |
|
|
4865 |
// update Regions' chunks |
// update Regions' chunks |
4866 |
{ |
{ |
4867 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
4868 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
4869 |
for (; iter != end; ++iter) |
for (; iter != end; ++iter) |
4870 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(pProgress); |
4871 |
} |
} |
4872 |
|
|
4873 |
// make sure 'lart' RIFF list chunk exists |
// make sure 'lart' RIFF list chunk exists |
4879 |
File* pFile = (File*) GetParent(); |
File* pFile = (File*) GetParent(); |
4880 |
|
|
4881 |
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
4882 |
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
int size = (pFile->pVersion && pFile->pVersion->major > 2) ? 16416 : 12; |
4883 |
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
4884 |
memset(_3ewg->LoadChunkData(), 0, size); |
memset(_3ewg->LoadChunkData(), 0, size); |
4885 |
} |
} |
4904 |
} |
} |
4905 |
|
|
4906 |
// own gig format extensions |
// own gig format extensions |
4907 |
if (pScriptRefs) { |
if (ScriptSlotCount()) { |
4908 |
|
// make sure we have converted the original loaded script file |
4909 |
|
// offsets into valid Script object pointers |
4910 |
|
LoadScripts(); |
4911 |
|
|
4912 |
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4913 |
if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS); |
if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS); |
4914 |
const int totalSize = pScriptRefs->size() * 2*sizeof(uint32_t); |
const int slotCount = (int) pScriptRefs->size(); |
4915 |
|
const int headerSize = 3 * sizeof(uint32_t); |
4916 |
|
const int slotSize = 2 * sizeof(uint32_t); |
4917 |
|
const int totalChunkSize = headerSize + slotCount * slotSize; |
4918 |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4919 |
if (!ckSCSL) ckSCSL = lst3LS->AddSubChunk(CHUNK_ID_SCSL, totalSize); |
if (!ckSCSL) ckSCSL = lst3LS->AddSubChunk(CHUNK_ID_SCSL, totalChunkSize); |
4920 |
else ckSCSL->Resize(totalSize); |
else ckSCSL->Resize(totalChunkSize); |
4921 |
uint8_t* pData = (uint8_t*) ckSCSL->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckSCSL->LoadChunkData(); |
4922 |
for (int i = 0, pos = 0; i < pScriptRefs->size(); ++i) { |
int pos = 0; |
4923 |
int fileOffset = |
store32(&pData[pos], headerSize); |
4924 |
(*pScriptRefs)[i].script->pChunk->GetFilePos() - |
pos += sizeof(uint32_t); |
4925 |
(*pScriptRefs)[i].script->pChunk->GetPos() - |
store32(&pData[pos], slotCount); |
4926 |
CHUNK_HEADER_SIZE; |
pos += sizeof(uint32_t); |
4927 |
store32(&pData[pos], fileOffset); |
store32(&pData[pos], slotSize); |
4928 |
|
pos += sizeof(uint32_t); |
4929 |
|
for (int i = 0; i < slotCount; ++i) { |
4930 |
|
// arbitrary value, the actual file offset will be updated in |
4931 |
|
// UpdateScriptFileOffsets() after the file has been resized |
4932 |
|
int bogusFileOffset = 0; |
4933 |
|
store32(&pData[pos], bogusFileOffset); |
4934 |
pos += sizeof(uint32_t); |
pos += sizeof(uint32_t); |
4935 |
store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0); |
store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0); |
4936 |
pos += sizeof(uint32_t); |
pos += sizeof(uint32_t); |
4937 |
} |
} |
4938 |
|
} else { |
4939 |
|
// no script slots, so get rid of any LS custom RIFF chunks (if any) |
4940 |
|
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4941 |
|
if (lst3LS) pCkInstrument->DeleteSubChunk(lst3LS); |
4942 |
} |
} |
4943 |
} |
} |
4944 |
|
|
4945 |
|
void Instrument::UpdateScriptFileOffsets() { |
4946 |
|
// own gig format extensions |
4947 |
|
if (pScriptRefs && pScriptRefs->size() > 0) { |
4948 |
|
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4949 |
|
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4950 |
|
const int slotCount = (int) pScriptRefs->size(); |
4951 |
|
const int headerSize = 3 * sizeof(uint32_t); |
4952 |
|
ckSCSL->SetPos(headerSize); |
4953 |
|
for (int i = 0; i < slotCount; ++i) { |
4954 |
|
uint32_t fileOffset = uint32_t( |
4955 |
|
(*pScriptRefs)[i].script->pChunk->GetFilePos() - |
4956 |
|
(*pScriptRefs)[i].script->pChunk->GetPos() - |
4957 |
|
CHUNK_HEADER_SIZE(ckSCSL->GetFile()->GetFileOffsetSize()) |
4958 |
|
); |
4959 |
|
ckSCSL->WriteUint32(&fileOffset); |
4960 |
|
// jump over flags entry (containing the bypass flag) |
4961 |
|
ckSCSL->SetPos(sizeof(uint32_t), RIFF::stream_curpos); |
4962 |
|
} |
4963 |
|
} |
4964 |
|
} |
4965 |
|
|
4966 |
/** |
/** |
4967 |
* Returns the appropriate Region for a triggered note. |
* Returns the appropriate Region for a triggered note. |
4968 |
* |
* |
5015 |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
5016 |
Region* pNewRegion = new Region(this, rgn); |
Region* pNewRegion = new Region(this, rgn); |
5017 |
pRegions->push_back(pNewRegion); |
pRegions->push_back(pNewRegion); |
5018 |
Regions = pRegions->size(); |
Regions = (uint32_t) pRegions->size(); |
5019 |
// update Region key table for fast lookup |
// update Region key table for fast lookup |
5020 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
5021 |
// done |
// done |
5030 |
} |
} |
5031 |
|
|
5032 |
/** |
/** |
5033 |
|
* Move this instrument at the position before @arg dst. |
5034 |
|
* |
5035 |
|
* This method can be used to reorder the sequence of instruments in a |
5036 |
|
* .gig file. This might be helpful especially on large .gig files which |
5037 |
|
* contain a large number of instruments within the same .gig file. So |
5038 |
|
* grouping such instruments to similar ones, can help to keep track of them |
5039 |
|
* when working with such complex .gig files. |
5040 |
|
* |
5041 |
|
* When calling this method, this instrument will be removed from in its |
5042 |
|
* current position in the instruments list and moved to the requested |
5043 |
|
* target position provided by @param dst. You may also pass NULL as |
5044 |
|
* argument to this method, in that case this intrument will be moved to the |
5045 |
|
* very end of the .gig file's instrument list. |
5046 |
|
* |
5047 |
|
* You have to call Save() to make the order change persistent to the .gig |
5048 |
|
* file. |
5049 |
|
* |
5050 |
|
* Currently this method is limited to moving the instrument within the same |
5051 |
|
* .gig file. Trying to move it to another .gig file by calling this method |
5052 |
|
* will throw an exception. |
5053 |
|
* |
5054 |
|
* @param dst - destination instrument at which this instrument will be |
5055 |
|
* moved to, or pass NULL for moving to end of list |
5056 |
|
* @throw gig::Exception if this instrument and target instrument are not |
5057 |
|
* part of the same file |
5058 |
|
*/ |
5059 |
|
void Instrument::MoveTo(Instrument* dst) { |
5060 |
|
if (dst && GetParent() != dst->GetParent()) |
5061 |
|
throw Exception( |
5062 |
|
"gig::Instrument::MoveTo() can only be used for moving within " |
5063 |
|
"the same gig file." |
5064 |
|
); |
5065 |
|
|
5066 |
|
File* pFile = (File*) GetParent(); |
5067 |
|
|
5068 |
|
// move this instrument within the instrument list |
5069 |
|
{ |
5070 |
|
File::InstrumentList& list = *pFile->pInstruments; |
5071 |
|
|
5072 |
|
File::InstrumentList::iterator itFrom = |
5073 |
|
std::find(list.begin(), list.end(), static_cast<DLS::Instrument*>(this)); |
5074 |
|
|
5075 |
|
File::InstrumentList::iterator itTo = |
5076 |
|
std::find(list.begin(), list.end(), static_cast<DLS::Instrument*>(dst)); |
5077 |
|
|
5078 |
|
list.splice(itTo, list, itFrom); |
5079 |
|
} |
5080 |
|
|
5081 |
|
// move the instrument's actual list RIFF chunk appropriately |
5082 |
|
RIFF::List* lstCkInstruments = pFile->pRIFF->GetSubList(LIST_TYPE_LINS); |
5083 |
|
lstCkInstruments->MoveSubChunk( |
5084 |
|
this->pCkInstrument, |
5085 |
|
(RIFF::Chunk*) ((dst) ? dst->pCkInstrument : NULL) |
5086 |
|
); |
5087 |
|
} |
5088 |
|
|
5089 |
|
/** |
5090 |
* Returns a MIDI rule of the instrument. |
* Returns a MIDI rule of the instrument. |
5091 |
* |
* |
5092 |
* 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 |
5155 |
if (scriptPoolFileOffsets.empty()) return; |
if (scriptPoolFileOffsets.empty()) return; |
5156 |
File* pFile = (File*) GetParent(); |
File* pFile = (File*) GetParent(); |
5157 |
for (uint k = 0; k < scriptPoolFileOffsets.size(); ++k) { |
for (uint k = 0; k < scriptPoolFileOffsets.size(); ++k) { |
5158 |
uint32_t offset = scriptPoolFileOffsets[k].fileOffset; |
uint32_t soughtOffset = scriptPoolFileOffsets[k].fileOffset; |
5159 |
for (uint i = 0; pFile->GetScriptGroup(i); ++i) { |
for (uint i = 0; pFile->GetScriptGroup(i); ++i) { |
5160 |
ScriptGroup* group = pFile->GetScriptGroup(i); |
ScriptGroup* group = pFile->GetScriptGroup(i); |
5161 |
for (uint s = 0; group->GetScript(s); ++s) { |
for (uint s = 0; group->GetScript(s); ++s) { |
5162 |
Script* script = group->GetScript(s); |
Script* script = group->GetScript(s); |
5163 |
if (script->pChunk) { |
if (script->pChunk) { |
5164 |
script->pChunk->SetPos(0); |
uint32_t offset = uint32_t( |
5165 |
if (script->pChunk->GetFilePos() - |
script->pChunk->GetFilePos() - |
5166 |
script->pChunk->GetPos() - |
script->pChunk->GetPos() - |
5167 |
CHUNK_HEADER_SIZE == offset) |
CHUNK_HEADER_SIZE(script->pChunk->GetFile()->GetFileOffsetSize()) |
5168 |
|
); |
5169 |
|
if (offset == soughtOffset) |
5170 |
{ |
{ |
5171 |
_ScriptPooolRef ref; |
_ScriptPooolRef ref; |
5172 |
ref.script = script; |
ref.script = script; |
5290 |
*/ |
*/ |
5291 |
void Instrument::RemoveScript(Script* pScript) { |
void Instrument::RemoveScript(Script* pScript) { |
5292 |
LoadScripts(); |
LoadScripts(); |
5293 |
for (int i = pScriptRefs->size() - 1; i >= 0; --i) { |
for (ssize_t i = pScriptRefs->size() - 1; i >= 0; --i) { |
5294 |
if ((*pScriptRefs)[i].script == pScript) { |
if ((*pScriptRefs)[i].script == pScript) { |
5295 |
pScriptRefs->erase( pScriptRefs->begin() + i ); |
pScriptRefs->erase( pScriptRefs->begin() + i ); |
5296 |
} |
} |
5312 |
* gigedit. |
* gigedit. |
5313 |
*/ |
*/ |
5314 |
uint Instrument::ScriptSlotCount() const { |
uint Instrument::ScriptSlotCount() const { |
5315 |
return pScriptRefs ? pScriptRefs->size() : scriptPoolFileOffsets.size(); |
return uint(pScriptRefs ? pScriptRefs->size() : scriptPoolFileOffsets.size()); |
5316 |
} |
} |
5317 |
|
|
5318 |
/** @brief Whether script execution shall be skipped. |
/** @brief Whether script execution shall be skipped. |
5436 |
::LoadString(pNameChunk, Name); |
::LoadString(pNameChunk, Name); |
5437 |
} |
} |
5438 |
|
|
5439 |
|
/** @brief Destructor. |
5440 |
|
* |
5441 |
|
* Currently this destructor implementation does nothing. |
5442 |
|
*/ |
5443 |
Group::~Group() { |
Group::~Group() { |
5444 |
// remove the chunk associated with this group (if any) |
} |
5445 |
if (pNameChunk) pNameChunk->GetParent()->DeleteSubChunk(pNameChunk); |
|
5446 |
|
/** @brief Remove all RIFF chunks associated with this Group object. |
5447 |
|
* |
5448 |
|
* See DLS::Storage::DeleteChunks() for details. |
5449 |
|
*/ |
5450 |
|
void Group::DeleteChunks() { |
5451 |
|
// handle own RIFF chunks |
5452 |
|
if (pNameChunk) { |
5453 |
|
pNameChunk->GetParent()->DeleteSubChunk(pNameChunk); |
5454 |
|
pNameChunk = NULL; |
5455 |
|
} |
5456 |
} |
} |
5457 |
|
|
5458 |
/** @brief Update chunks with current group settings. |
/** @brief Update chunks with current group settings. |
5462 |
* |
* |
5463 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
5464 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
5465 |
|
* |
5466 |
|
* @param pProgress - callback function for progress notification |
5467 |
*/ |
*/ |
5468 |
void Group::UpdateChunks() { |
void Group::UpdateChunks(progress_t* pProgress) { |
5469 |
// make sure <3gri> and <3gnl> list chunks exist |
// make sure <3gri> and <3gnl> list chunks exist |
5470 |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
5471 |
if (!_3gri) { |
if (!_3gri) { |
5475 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
5476 |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
5477 |
|
|
5478 |
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major > 2) { |
5479 |
// v3 has a fixed list of 128 strings, find a free one |
// v3 has a fixed list of 128 strings, find a free one |
5480 |
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
5481 |
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
5570 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
5571 |
}; |
}; |
5572 |
|
|
5573 |
|
/// Reflects Gigasampler file format version 4.0 (2007-10-12). |
5574 |
|
const DLS::version_t File::VERSION_4 = { |
5575 |
|
0, 4, 20071012 & 0xffff, 20071012 >> 16 |
5576 |
|
}; |
5577 |
|
|
5578 |
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
5579 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
5580 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
5671 |
return static_cast<gig::Sample*>( *it ); |
return static_cast<gig::Sample*>( *it ); |
5672 |
} |
} |
5673 |
|
|
5674 |
|
/** |
5675 |
|
* Returns the total amount of samples of this gig file. |
5676 |
|
* |
5677 |
|
* Note that this method might block for a long time in case it is required |
5678 |
|
* to load the sample info for the first time. |
5679 |
|
* |
5680 |
|
* @returns total amount of samples |
5681 |
|
*/ |
5682 |
|
size_t File::CountSamples() { |
5683 |
|
if (!pSamples) LoadSamples(); |
5684 |
|
if (!pSamples) return 0; |
5685 |
|
return pSamples->size(); |
5686 |
|
} |
5687 |
|
|
5688 |
/** @brief Add a new sample. |
/** @brief Add a new sample. |
5689 |
* |
* |
5690 |
* This will create a new Sample object for the gig file. You have to |
* This will create a new Sample object for the gig file. You have to |
5723 |
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
5724 |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
5725 |
pSamples->erase(iter); |
pSamples->erase(iter); |
5726 |
|
pSample->DeleteChunks(); |
5727 |
delete pSample; |
delete pSample; |
5728 |
|
|
5729 |
SampleList::iterator tmp = SamplesIterator; |
SampleList::iterator tmp = SamplesIterator; |
5761 |
int iSampleIndex = 0; |
int iSampleIndex = 0; |
5762 |
int iTotalSamples = WavePoolCount; |
int iTotalSamples = WavePoolCount; |
5763 |
|
|
5764 |
// check if samples should be loaded from extension files |
// just for assembling path of optional extension files to be read |
5765 |
int lastFileNo = 0; |
const std::string folder = parentPath(pRIFF->GetFileName()); |
5766 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
const std::string baseName = pathWithoutExtension(pRIFF->GetFileName()); |
5767 |
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
|
5768 |
} |
// the main gig file and the extension files (.gx01, ... , .gx98) may |
5769 |
String name(pRIFF->GetFileName()); |
// contain wave data (wave pool) |
5770 |
int nameLen = name.length(); |
std::vector<RIFF::File*> poolFiles; |
5771 |
char suffix[6]; |
poolFiles.push_back(pRIFF); |
5772 |
if (nameLen > 4 && name.substr(nameLen - 4) == ".gig") nameLen -= 4; |
|
5773 |
|
// get info about all extension files |
5774 |
for (int fileNo = 0 ; ; ) { |
RIFF::Chunk* ckXfil = pRIFF->GetSubChunk(CHUNK_ID_XFIL); |
5775 |
|
if (ckXfil) { // there are extension files (.gx01, ... , .gx98) ... |
5776 |
|
const uint32_t n = ckXfil->ReadInt32(); |
5777 |
|
for (int i = 0; i < n; i++) { |
5778 |
|
// read the filename and load the extension file |
5779 |
|
std::string name; |
5780 |
|
ckXfil->ReadString(name, 128); |
5781 |
|
std::string path = concatPath(folder, name); |
5782 |
|
RIFF::File* pExtFile = new RIFF::File(path); |
5783 |
|
// check that the dlsids match |
5784 |
|
RIFF::Chunk* ckDLSID = pExtFile->GetSubChunk(CHUNK_ID_DLID); |
5785 |
|
if (ckDLSID) { |
5786 |
|
::DLS::dlsid_t idExpected; |
5787 |
|
idExpected.ulData1 = ckXfil->ReadInt32(); |
5788 |
|
idExpected.usData2 = ckXfil->ReadInt16(); |
5789 |
|
idExpected.usData3 = ckXfil->ReadInt16(); |
5790 |
|
ckXfil->Read(idExpected.abData, 8, 1); |
5791 |
|
::DLS::dlsid_t idFound; |
5792 |
|
ckDLSID->Read(&idFound.ulData1, 1, 4); |
5793 |
|
ckDLSID->Read(&idFound.usData2, 1, 2); |
5794 |
|
ckDLSID->Read(&idFound.usData3, 1, 2); |
5795 |
|
ckDLSID->Read(idFound.abData, 8, 1); |
5796 |
|
if (memcmp(&idExpected, &idFound, 16) != 0) |
5797 |
|
throw gig::Exception("dlsid mismatch for extension file: %s", path.c_str()); |
5798 |
|
} |
5799 |
|
poolFiles.push_back(pExtFile); |
5800 |
|
ExtensionFiles.push_back(pExtFile); |
5801 |
|
} |
5802 |
|
} |
5803 |
|
|
5804 |
|
// check if a .gx99 (GigaPulse) file exists |
5805 |
|
RIFF::Chunk* ckDoxf = pRIFF->GetSubChunk(CHUNK_ID_DOXF); |
5806 |
|
if (ckDoxf) { // there is a .gx99 (GigaPulse) file ... |
5807 |
|
std::string path = baseName + ".gx99"; |
5808 |
|
RIFF::File* pExtFile = new RIFF::File(path); |
5809 |
|
|
5810 |
|
// skip unused int and filename |
5811 |
|
ckDoxf->SetPos(132, RIFF::stream_curpos); |
5812 |
|
|
5813 |
|
// check that the dlsids match |
5814 |
|
RIFF::Chunk* ckDLSID = pExtFile->GetSubChunk(CHUNK_ID_DLID); |
5815 |
|
if (ckDLSID) { |
5816 |
|
::DLS::dlsid_t idExpected; |
5817 |
|
idExpected.ulData1 = ckDoxf->ReadInt32(); |
5818 |
|
idExpected.usData2 = ckDoxf->ReadInt16(); |
5819 |
|
idExpected.usData3 = ckDoxf->ReadInt16(); |
5820 |
|
ckDoxf->Read(idExpected.abData, 8, 1); |
5821 |
|
::DLS::dlsid_t idFound; |
5822 |
|
ckDLSID->Read(&idFound.ulData1, 1, 4); |
5823 |
|
ckDLSID->Read(&idFound.usData2, 1, 2); |
5824 |
|
ckDLSID->Read(&idFound.usData3, 1, 2); |
5825 |
|
ckDLSID->Read(idFound.abData, 8, 1); |
5826 |
|
if (memcmp(&idExpected, &idFound, 16) != 0) |
5827 |
|
throw gig::Exception("dlsid mismatch for GigaPulse file: %s", path.c_str()); |
5828 |
|
} |
5829 |
|
poolFiles.push_back(pExtFile); |
5830 |
|
ExtensionFiles.push_back(pExtFile); |
5831 |
|
} |
5832 |
|
|
5833 |
|
// load samples from extension files (if required) |
5834 |
|
for (int i = 0; i < poolFiles.size(); i++) { |
5835 |
|
RIFF::File* file = poolFiles[i]; |
5836 |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
5837 |
if (wvpl) { |
if (wvpl) { |
5838 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
file_offset_t wvplFileOffset = wvpl->GetFilePos() - |
5839 |
|
wvpl->GetPos(); // should be zero, but just to be sure |
5840 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
5841 |
while (wave) { |
while (wave) { |
5842 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
5844 |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
5845 |
__notify_progress(pProgress, subprogress); |
__notify_progress(pProgress, subprogress); |
5846 |
|
|
5847 |
unsigned long waveFileOffset = wave->GetFilePos(); |
file_offset_t waveFileOffset = wave->GetFilePos(); |
5848 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, i, iSampleIndex)); |
5849 |
|
|
5850 |
iSampleIndex++; |
iSampleIndex++; |
5851 |
} |
} |
5852 |
wave = wvpl->GetNextSubList(); |
wave = wvpl->GetNextSubList(); |
5853 |
} |
} |
5854 |
|
} |
|
if (fileNo == lastFileNo) break; |
|
|
|
|
|
// open extension file (*.gx01, *.gx02, ...) |
|
|
fileNo++; |
|
|
sprintf(suffix, ".gx%02d", fileNo); |
|
|
name.replace(nameLen, 5, suffix); |
|
|
file = new RIFF::File(name); |
|
|
ExtensionFiles.push_back(file); |
|
|
} else break; |
|
5855 |
} |
} |
5856 |
|
|
5857 |
__notify_progress(pProgress, 1.0); // notify done |
__notify_progress(pProgress, 1.0); // notify done |
5871 |
} |
} |
5872 |
|
|
5873 |
/** |
/** |
5874 |
|
* Returns the total amount of instruments of this gig file. |
5875 |
|
* |
5876 |
|
* Note that this method might block for a long time in case it is required |
5877 |
|
* to load the instruments info for the first time. |
5878 |
|
* |
5879 |
|
* @returns total amount of instruments |
5880 |
|
*/ |
5881 |
|
size_t File::CountInstruments() { |
5882 |
|
if (!pInstruments) LoadInstruments(); |
5883 |
|
if (!pInstruments) return 0; |
5884 |
|
return pInstruments->size(); |
5885 |
|
} |
5886 |
|
|
5887 |
|
/** |
5888 |
* Returns the instrument with the given index. |
* Returns the instrument with the given index. |
5889 |
* |
* |
5890 |
* @param index - number of the sought instrument (0..n) |
* @param index - number of the sought instrument (0..n) |
6003 |
mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s); |
mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s); |
6004 |
mSamples[pFile->GetSample(i)] = s; |
mSamples[pFile->GetSample(i)] = s; |
6005 |
} |
} |
6006 |
|
|
6007 |
|
// clone script groups and their scripts |
6008 |
|
for (int iGroup = 0; pFile->GetScriptGroup(iGroup); ++iGroup) { |
6009 |
|
ScriptGroup* sg = pFile->GetScriptGroup(iGroup); |
6010 |
|
ScriptGroup* dg = AddScriptGroup(); |
6011 |
|
dg->Name = "COPY" + ToString(iCallCount) + "_" + sg->Name; |
6012 |
|
for (int iScript = 0; sg->GetScript(iScript); ++iScript) { |
6013 |
|
Script* ss = sg->GetScript(iScript); |
6014 |
|
Script* ds = dg->AddScript(); |
6015 |
|
ds->CopyAssign(ss); |
6016 |
|
} |
6017 |
|
} |
6018 |
|
|
6019 |
//BUG: For some reason this method only works with this additional |
//BUG: For some reason this method only works with this additional |
6020 |
// Save() call in between here. |
// Save() call in between here. |
6021 |
// |
// |
6059 |
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), (DLS::Instrument*) pInstrument); |
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), (DLS::Instrument*) pInstrument); |
6060 |
if (iter == pInstruments->end()) throw gig::Exception("Could not delete instrument, could not find given instrument"); |
if (iter == pInstruments->end()) throw gig::Exception("Could not delete instrument, could not find given instrument"); |
6061 |
pInstruments->erase(iter); |
pInstruments->erase(iter); |
6062 |
|
pInstrument->DeleteChunks(); |
6063 |
delete pInstrument; |
delete pInstrument; |
6064 |
} |
} |
6065 |
|
|
6101 |
if (!_3crc) return; |
if (!_3crc) return; |
6102 |
|
|
6103 |
// get the index of the sample |
// get the index of the sample |
6104 |
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; |
|
|
} |
|
|
} |
|
6105 |
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"); |
6106 |
|
|
6107 |
// write the CRC-32 checksum to disk |
// write the CRC-32 checksum to disk |
6108 |
_3crc->SetPos(iWaveIndex * 8); |
_3crc->SetPos(iWaveIndex * 8); |
6109 |
uint32_t tmp = 1; |
uint32_t one = 1; |
6110 |
_3crc->WriteUint32(&tmp); // unknown, always 1? |
_3crc->WriteUint32(&one); // always 1 |
6111 |
_3crc->WriteUint32(&crc); |
_3crc->WriteUint32(&crc); |
6112 |
} |
} |
6113 |
|
|
6114 |
|
uint32_t File::GetSampleChecksum(Sample* pSample) { |
6115 |
|
// get the index of the sample |
6116 |
|
int iWaveIndex = GetWaveTableIndexOf(pSample); |
6117 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not retrieve reference crc of sample, could not resolve sample's wave table index"); |
6118 |
|
|
6119 |
|
return GetSampleChecksumByIndex(iWaveIndex); |
6120 |
|
} |
6121 |
|
|
6122 |
|
uint32_t File::GetSampleChecksumByIndex(int index) { |
6123 |
|
if (index < 0) throw gig::Exception("Could not retrieve reference crc of sample, invalid wave pool index of sample"); |
6124 |
|
|
6125 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
6126 |
|
if (!_3crc) throw gig::Exception("Could not retrieve reference crc of sample, no checksums stored for this file yet"); |
6127 |
|
uint8_t* pData = (uint8_t*) _3crc->LoadChunkData(); |
6128 |
|
if (!pData) throw gig::Exception("Could not retrieve reference crc of sample, no checksums stored for this file yet"); |
6129 |
|
|
6130 |
|
// read the CRC-32 checksum directly from disk |
6131 |
|
size_t pos = index * 8; |
6132 |
|
if (pos + 8 > _3crc->GetNewSize()) |
6133 |
|
throw gig::Exception("Could not retrieve reference crc of sample, could not seek to required position in crc chunk"); |
6134 |
|
|
6135 |
|
uint32_t one = load32(&pData[pos]); // always 1 |
6136 |
|
if (one != 1) |
6137 |
|
throw gig::Exception("Could not retrieve reference crc of sample, because reference checksum table is damaged"); |
6138 |
|
|
6139 |
|
return load32(&pData[pos+4]); |
6140 |
|
} |
6141 |
|
|
6142 |
|
int File::GetWaveTableIndexOf(gig::Sample* pSample) { |
6143 |
|
if (!pSamples) GetFirstSample(); // make sure sample chunks were scanned |
6144 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6145 |
|
File::SampleList::iterator end = pSamples->end(); |
6146 |
|
for (int index = 0; iter != end; ++iter, ++index) |
6147 |
|
if (*iter == pSample) |
6148 |
|
return index; |
6149 |
|
return -1; |
6150 |
|
} |
6151 |
|
|
6152 |
|
/** |
6153 |
|
* Checks whether the file's "3CRC" chunk was damaged. This chunk contains |
6154 |
|
* the CRC32 check sums of all samples' raw wave data. |
6155 |
|
* |
6156 |
|
* @return true if 3CRC chunk is OK, or false if 3CRC chunk is damaged |
6157 |
|
*/ |
6158 |
|
bool File::VerifySampleChecksumTable() { |
6159 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
6160 |
|
if (!_3crc) return false; |
6161 |
|
if (_3crc->GetNewSize() <= 0) return false; |
6162 |
|
if (_3crc->GetNewSize() % 8) return false; |
6163 |
|
if (!pSamples) GetFirstSample(); // make sure sample chunks were scanned |
6164 |
|
if (_3crc->GetNewSize() != pSamples->size() * 8) return false; |
6165 |
|
|
6166 |
|
const file_offset_t n = _3crc->GetNewSize() / 8; |
6167 |
|
|
6168 |
|
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
6169 |
|
if (!pData) return false; |
6170 |
|
|
6171 |
|
for (file_offset_t i = 0; i < n; ++i) { |
6172 |
|
uint32_t one = pData[i*2]; |
6173 |
|
if (one != 1) return false; |
6174 |
|
} |
6175 |
|
|
6176 |
|
return true; |
6177 |
|
} |
6178 |
|
|
6179 |
|
/** |
6180 |
|
* Recalculates CRC32 checksums for all samples and rebuilds this gig |
6181 |
|
* file's checksum table with those new checksums. This might usually |
6182 |
|
* just be necessary if the checksum table was damaged. |
6183 |
|
* |
6184 |
|
* @e IMPORTANT: The current implementation of this method only works |
6185 |
|
* with files that have not been modified since it was loaded, because |
6186 |
|
* it expects that no externally caused file structure changes are |
6187 |
|
* required! |
6188 |
|
* |
6189 |
|
* Due to the expectation above, this method is currently protected |
6190 |
|
* and actually only used by the command line tool "gigdump" yet. |
6191 |
|
* |
6192 |
|
* @returns true if Save() is required to be called after this call, |
6193 |
|
* false if no further action is required |
6194 |
|
*/ |
6195 |
|
bool File::RebuildSampleChecksumTable() { |
6196 |
|
// make sure sample chunks were scanned |
6197 |
|
if (!pSamples) GetFirstSample(); |
6198 |
|
|
6199 |
|
bool bRequiresSave = false; |
6200 |
|
|
6201 |
|
// make sure "3CRC" chunk exists with required size |
6202 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
6203 |
|
if (!_3crc) { |
6204 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
6205 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
6206 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
6207 |
|
if (einf && pVersion && pVersion->major > 2) pRIFF->MoveSubChunk(_3crc, einf); |
6208 |
|
bRequiresSave = true; |
6209 |
|
} else if (_3crc->GetNewSize() != pSamples->size() * 8) { |
6210 |
|
_3crc->Resize(pSamples->size() * 8); |
6211 |
|
bRequiresSave = true; |
6212 |
|
} |
6213 |
|
|
6214 |
|
if (bRequiresSave) { // refill CRC table for all samples in RAM ... |
6215 |
|
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
6216 |
|
{ |
6217 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6218 |
|
File::SampleList::iterator end = pSamples->end(); |
6219 |
|
for (; iter != end; ++iter) { |
6220 |
|
gig::Sample* pSample = (gig::Sample*) *iter; |
6221 |
|
int index = GetWaveTableIndexOf(pSample); |
6222 |
|
if (index < 0) throw gig::Exception("Could not rebuild crc table for samples, wave table index of a sample could not be resolved"); |
6223 |
|
pData[index*2] = 1; // always 1 |
6224 |
|
pData[index*2+1] = pSample->CalculateWaveDataChecksum(); |
6225 |
|
} |
6226 |
|
} |
6227 |
|
} else { // no file structure changes necessary, so directly write to disk and we are done ... |
6228 |
|
// make sure file is in write mode |
6229 |
|
pRIFF->SetMode(RIFF::stream_mode_read_write); |
6230 |
|
{ |
6231 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6232 |
|
File::SampleList::iterator end = pSamples->end(); |
6233 |
|
for (; iter != end; ++iter) { |
6234 |
|
gig::Sample* pSample = (gig::Sample*) *iter; |
6235 |
|
int index = GetWaveTableIndexOf(pSample); |
6236 |
|
if (index < 0) throw gig::Exception("Could not rebuild crc table for samples, wave table index of a sample could not be resolved"); |
6237 |
|
pSample->crc = pSample->CalculateWaveDataChecksum(); |
6238 |
|
SetSampleChecksum(pSample, pSample->crc); |
6239 |
|
} |
6240 |
|
} |
6241 |
|
} |
6242 |
|
|
6243 |
|
return bRequiresSave; |
6244 |
|
} |
6245 |
|
|
6246 |
Group* File::GetFirstGroup() { |
Group* File::GetFirstGroup() { |
6247 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
6248 |
// there must always be at least one group |
// there must always be at least one group |
6319 |
} |
} |
6320 |
// now delete this group object |
// now delete this group object |
6321 |
pGroups->erase(iter); |
pGroups->erase(iter); |
6322 |
|
pGroup->DeleteChunks(); |
6323 |
delete pGroup; |
delete pGroup; |
6324 |
} |
} |
6325 |
|
|
6341 |
// move all members of this group to another group |
// move all members of this group to another group |
6342 |
pGroup->MoveAll(); |
pGroup->MoveAll(); |
6343 |
pGroups->erase(iter); |
pGroups->erase(iter); |
6344 |
|
pGroup->DeleteChunks(); |
6345 |
delete pGroup; |
delete pGroup; |
6346 |
} |
} |
6347 |
|
|
6355 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
6356 |
while (ck) { |
while (ck) { |
6357 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
6358 |
if (pVersion && pVersion->major == 3 && |
if (pVersion && pVersion->major > 2 && |
6359 |
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
6360 |
|
|
6361 |
pGroups->push_back(new Group(this, ck)); |
pGroups->push_back(new Group(this, ck)); |
6441 |
pScriptGroup->DeleteScript(pScriptGroup->GetScript(i)); |
pScriptGroup->DeleteScript(pScriptGroup->GetScript(i)); |
6442 |
if (pScriptGroup->pList) |
if (pScriptGroup->pList) |
6443 |
pScriptGroup->pList->GetParent()->DeleteSubChunk(pScriptGroup->pList); |
pScriptGroup->pList->GetParent()->DeleteSubChunk(pScriptGroup->pList); |
6444 |
|
pScriptGroup->DeleteChunks(); |
6445 |
delete pScriptGroup; |
delete pScriptGroup; |
6446 |
} |
} |
6447 |
|
|
6468 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
6469 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
6470 |
* |
* |
6471 |
|
* @param pProgress - callback function for progress notification |
6472 |
* @throws Exception - on errors |
* @throws Exception - on errors |
6473 |
*/ |
*/ |
6474 |
void File::UpdateChunks() { |
void File::UpdateChunks(progress_t* pProgress) { |
6475 |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
6476 |
|
|
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
|
|
|
|
6477 |
// update own gig format extension chunks |
// update own gig format extension chunks |
6478 |
// (not part of the GigaStudio 4 format) |
// (not part of the GigaStudio 4 format) |
6479 |
// |
RIFF::List* lst3LS = pRIFF->GetSubList(LIST_TYPE_3LS); |
6480 |
|
if (!lst3LS) { |
6481 |
|
lst3LS = pRIFF->AddSubList(LIST_TYPE_3LS); |
6482 |
|
} |
6483 |
|
// Make sure <3LS > chunk is placed before <ptbl> chunk. The precise |
6484 |
|
// location of <3LS > is irrelevant, however it should be located |
6485 |
|
// before the actual wave data |
6486 |
|
RIFF::Chunk* ckPTBL = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
6487 |
|
pRIFF->MoveSubChunk(lst3LS, ckPTBL); |
6488 |
|
|
6489 |
// This must be performed before writing the chunks for instruments, |
// This must be performed before writing the chunks for instruments, |
6490 |
// because the instruments' script slots will write the file offsets |
// because the instruments' script slots will write the file offsets |
6491 |
// of the respective instrument script chunk as reference. |
// of the respective instrument script chunk as reference. |
6492 |
if (pScriptGroups) { |
if (pScriptGroups) { |
6493 |
RIFF::List* lst3LS = pRIFF->GetSubList(LIST_TYPE_3LS); |
// Update instrument script (group) chunks. |
6494 |
if (pScriptGroups->empty()) { |
for (std::list<ScriptGroup*>::iterator it = pScriptGroups->begin(); |
6495 |
if (lst3LS) pRIFF->DeleteSubChunk(lst3LS); |
it != pScriptGroups->end(); ++it) |
6496 |
} else { |
{ |
6497 |
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(); |
|
|
} |
|
6498 |
} |
} |
6499 |
} |
} |
6500 |
|
|
6501 |
|
// in case no libgig custom format data was added, then remove the |
6502 |
|
// custom "3LS " chunk again |
6503 |
|
if (!lst3LS->CountSubChunks()) { |
6504 |
|
pRIFF->DeleteSubChunk(lst3LS); |
6505 |
|
lst3LS = NULL; |
6506 |
|
} |
6507 |
|
|
6508 |
// first update base class's chunks |
// first update base class's chunks |
6509 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(pProgress); |
6510 |
|
|
6511 |
if (newFile) { |
if (newFile) { |
6512 |
// INFO was added by Resource::UpdateChunks - make sure it |
// INFO was added by Resource::UpdateChunks - make sure it |
6532 |
|
|
6533 |
// v3: make sure the file has 128 3gnm chunks |
// v3: make sure the file has 128 3gnm chunks |
6534 |
// (before updating the Group chunks) |
// (before updating the Group chunks) |
6535 |
if (pVersion && pVersion->major == 3) { |
if (pVersion && pVersion->major > 2) { |
6536 |
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
6537 |
for (int i = 0 ; i < 128 ; i++) { |
for (int i = 0 ; i < 128 ; i++) { |
6538 |
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
6543 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
6544 |
std::list<Group*>::iterator end = pGroups->end(); |
std::list<Group*>::iterator end = pGroups->end(); |
6545 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
6546 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(pProgress); |
6547 |
} |
} |
6548 |
} |
} |
6549 |
|
|
6563 |
// Note that there are several fields with unknown use. These |
// Note that there are several fields with unknown use. These |
6564 |
// are set to zero. |
// are set to zero. |
6565 |
|
|
6566 |
int sublen = pSamples->size() / 8 + 49; |
int sublen = int(pSamples->size() / 8 + 49); |
6567 |
int einfSize = (Instruments + 1) * sublen; |
int einfSize = (Instruments + 1) * sublen; |
6568 |
|
|
6569 |
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
6636 |
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
6637 |
// next 8 bytes unknown |
// next 8 bytes unknown |
6638 |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
6639 |
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
store32(&pData[(instrumentIdx + 1) * sublen + 40], (uint32_t) pSamples->size()); |
6640 |
// next 4 bytes unknown |
// next 4 bytes unknown |
6641 |
|
|
6642 |
totnbregions += instrument->Regions; |
totnbregions += instrument->Regions; |
6654 |
store32(&pData[24], totnbloops); |
store32(&pData[24], totnbloops); |
6655 |
// next 8 bytes unknown |
// next 8 bytes unknown |
6656 |
// next 4 bytes unknown, not always 0 |
// next 4 bytes unknown, not always 0 |
6657 |
store32(&pData[40], pSamples->size()); |
store32(&pData[40], (uint32_t) pSamples->size()); |
6658 |
// next 4 bytes unknown |
// next 4 bytes unknown |
6659 |
} |
} |
6660 |
|
|
6661 |
// update 3crc chunk |
// update 3crc chunk |
6662 |
|
|
6663 |
// The 3crc chunk contains CRC-32 checksums for the |
// The 3crc chunk contains CRC-32 checksums for the |
6664 |
// samples. The actual checksum values will be filled in |
// samples. When saving a gig file to disk, we first update the 3CRC |
6665 |
// later, by Sample::Write. |
// chunk here (in RAM) with the old crc values which we read from the |
6666 |
|
// 3CRC chunk when we opened the file (available with gig::Sample::crc |
6667 |
|
// member variable). This step is required, because samples might have |
6668 |
|
// been deleted by the user since the file was opened, which in turn |
6669 |
|
// changes the order of the (i.e. old) checksums within the 3crc chunk. |
6670 |
|
// If a sample was conciously modified by the user (that is if |
6671 |
|
// Sample::Write() was called later on) then Sample::Write() will just |
6672 |
|
// update the respective individual checksum(s) directly on disk and |
6673 |
|
// leaves all other sample checksums untouched. |
6674 |
|
|
6675 |
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
6676 |
if (_3crc) { |
if (_3crc) { |
6677 |
_3crc->Resize(pSamples->size() * 8); |
_3crc->Resize(pSamples->size() * 8); |
6678 |
} else if (newFile) { |
} else /*if (newFile)*/ { |
6679 |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
|
_3crc->LoadChunkData(); |
|
|
|
|
6680 |
// 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 |
6681 |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
if (einf && pVersion && pVersion->major > 2) pRIFF->MoveSubChunk(_3crc, einf); |
6682 |
|
} |
6683 |
|
{ // must be performed in RAM here ... |
6684 |
|
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
6685 |
|
if (pData) { |
6686 |
|
File::SampleList::iterator iter = pSamples->begin(); |
6687 |
|
File::SampleList::iterator end = pSamples->end(); |
6688 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
6689 |
|
gig::Sample* pSample = (gig::Sample*) *iter; |
6690 |
|
pData[index*2] = 1; // always 1 |
6691 |
|
pData[index*2+1] = pSample->crc; |
6692 |
|
} |
6693 |
|
} |
6694 |
|
} |
6695 |
|
} |
6696 |
|
|
6697 |
|
void File::UpdateFileOffsets() { |
6698 |
|
DLS::File::UpdateFileOffsets(); |
6699 |
|
|
6700 |
|
for (Instrument* instrument = GetFirstInstrument(); instrument; |
6701 |
|
instrument = GetNextInstrument()) |
6702 |
|
{ |
6703 |
|
instrument->UpdateScriptFileOffsets(); |
6704 |
} |
} |
6705 |
} |
} |
6706 |
|
|
6736 |
// *************** Exception *************** |
// *************** Exception *************** |
6737 |
// * |
// * |
6738 |
|
|
6739 |
Exception::Exception(String Message) : DLS::Exception(Message) { |
Exception::Exception() : DLS::Exception() { |
6740 |
|
} |
6741 |
|
|
6742 |
|
Exception::Exception(String format, ...) : DLS::Exception() { |
6743 |
|
va_list arg; |
6744 |
|
va_start(arg, format); |
6745 |
|
Message = assemble(format, arg); |
6746 |
|
va_end(arg); |
6747 |
|
} |
6748 |
|
|
6749 |
|
Exception::Exception(String format, va_list arg) : DLS::Exception() { |
6750 |
|
Message = assemble(format, arg); |
6751 |
} |
} |
6752 |
|
|
6753 |
void Exception::PrintMessage() { |
void Exception::PrintMessage() { |