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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
* * |
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* Copyright (C) 2003-2005 by Christian Schoenebeck * |
* Copyright (C) 2003-2009 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
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* * |
* * |
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* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
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#include "DLS.h" |
#include "DLS.h" |
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#include <algorithm> |
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#include <time.h> |
#include <time.h> |
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#ifdef __APPLE__ |
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#include <CoreFoundation/CFUUID.h> |
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#elif defined(HAVE_UUID_UUID_H) |
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#include <uuid/uuid.h> |
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#endif |
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#include "helper.h" |
#include "helper.h" |
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// macros to decode connection transforms |
// macros to decode connection transforms |
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#define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0) |
#define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0) |
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#define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0) |
#define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0) |
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#define DRUM_TYPE_MASK 0x00000001 |
#define DRUM_TYPE_MASK 0x80000000 |
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#define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001 |
#define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001 |
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const int iEntrySize = 12; // 12 bytes per connection block |
const int iEntrySize = 12; // 12 bytes per connection block |
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pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
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uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
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memccpy(&pData[0], &HeaderSize, 1, 2); |
store16(&pData[0], HeaderSize); |
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memccpy(&pData[2], &Connections, 1, 2); |
store16(&pData[2], Connections); |
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for (uint32_t i = 0; i < Connections; i++) { |
for (uint32_t i = 0; i < Connections; i++) { |
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Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
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memccpy(&pData[HeaderSize + i * iEntrySize], &c.source, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize], c.source); |
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memccpy(&pData[HeaderSize + i * iEntrySize + 2], &c.control, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 2], c.control); |
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memccpy(&pData[HeaderSize + i * iEntrySize + 4], &c.destination, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 4], c.destination); |
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memccpy(&pData[HeaderSize + i * iEntrySize + 6], &c.transform, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 6], c.transform); |
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memccpy(&pData[HeaderSize + i * iEntrySize + 8], &c.scale, 1, 4); |
store32(&pData[HeaderSize + i * iEntrySize + 8], c.scale); |
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} |
} |
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} |
} |
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* call File::Save() to make changes persistent. |
* call File::Save() to make changes persistent. |
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*/ |
*/ |
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void Articulator::UpdateChunks() { |
void Articulator::UpdateChunks() { |
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ArticulationList::iterator iter = pArticulations->begin(); |
if (pArticulations) { |
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ArticulationList::iterator end = pArticulations->end(); |
ArticulationList::iterator iter = pArticulations->begin(); |
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for (; iter != end; ++iter) { |
ArticulationList::iterator end = pArticulations->end(); |
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(*iter)->UpdateChunks(); |
for (; iter != end; ++iter) { |
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(*iter)->UpdateChunks(); |
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} |
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} |
} |
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} |
} |
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/** @brief Constructor. |
/** @brief Constructor. |
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* |
* |
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* Initializes the info strings with values provided by a INFO list chunk. |
* Initializes the info strings with values provided by an INFO list chunk. |
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* |
* |
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* @param list - pointer to a list chunk which contains a INFO list chunk |
* @param list - pointer to a list chunk which contains an INFO list chunk |
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*/ |
*/ |
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Info::Info(RIFF::List* list) { |
Info::Info(RIFF::List* list) { |
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pFixedStringLengths = NULL; |
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pResourceListChunk = list; |
pResourceListChunk = list; |
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if (list) { |
if (list) { |
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RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
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LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
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LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
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LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
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LoadString(CHUNK_ID_ISBJ, lstINFO, Subject); |
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} |
} |
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} |
} |
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} |
} |
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Info::~Info() { |
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} |
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/** |
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* Forces specific Info fields to be of a fixed length when being saved |
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* to a file. By default the respective RIFF chunk of an Info field |
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* will have a size analogue to its actual string length. With this |
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* method however this behavior can be overridden, allowing to force an |
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* arbitrary fixed size individually for each Info field. |
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* |
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* This method is used as a workaround for the gig format, not for DLS. |
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* |
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* @param lengths - NULL terminated array of string_length_t elements |
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*/ |
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void Info::SetFixedStringLengths(const string_length_t* lengths) { |
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pFixedStringLengths = lengths; |
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} |
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/** @brief Load given INFO field. |
/** @brief Load given INFO field. |
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* |
* |
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* Load INFO field from INFO chunk with chunk ID \a ChunkID from INFO |
* Load INFO field from INFO chunk with chunk ID \a ChunkID from INFO |
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*/ |
*/ |
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void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
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RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
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if (ck) { |
::LoadString(ck, s); // function from helper.h |
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// TODO: no check for ZSTR terminated strings yet |
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s = (char*) ck->LoadChunkData(); |
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ck->ReleaseChunkData(); |
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} |
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} |
} |
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/** @brief Apply given INFO field to the respective chunk. |
/** @brief Apply given INFO field to the respective chunk. |
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* |
* |
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* Apply given info value to info chunk with ID \a ChunkID, which is a |
* Apply given info value to info chunk with ID \a ChunkID, which is a |
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* subchunk of INFO list chunk \a lstINFO. If the given chunk already |
* subchunk of INFO list chunk \a lstINFO. If the given chunk already |
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* exists, value \a s will be applied, otherwise if it doesn't exist yet |
* exists, value \a s will be applied. Otherwise if it doesn't exist yet |
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* and \a sDefault is not an empty string, such a chunk will be created |
* and either \a s or \a sDefault is not an empty string, such a chunk |
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* and \a sDefault will be applied. |
* will be created and either \a s or \a sDefault will be applied |
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* (depending on which one is not an empty string, if both are not an |
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* empty string \a s will be preferred). |
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* |
* |
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* @param ChunkID - 32 bit RIFF chunk ID of INFO subchunk |
* @param ChunkID - 32 bit RIFF chunk ID of INFO subchunk |
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* @param lstINFO - parent (INFO) RIFF list chunk |
* @param lstINFO - parent (INFO) RIFF list chunk |
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* @param sDefault - default value |
* @param sDefault - default value |
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*/ |
*/ |
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void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault) { |
void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault) { |
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RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
int size = 0; |
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if (ck) { // if chunk exists already, use 's' as value |
if (pFixedStringLengths) { |
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ck->Resize(s.size() + 1); |
for (int i = 0 ; pFixedStringLengths[i].length ; i++) { |
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char* pData = (char*) ck->LoadChunkData(); |
if (pFixedStringLengths[i].chunkId == ChunkID) { |
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memcpy(pData, s.c_str(), s.size() + 1); |
size = pFixedStringLengths[i].length; |
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} else if (sDefault != "") { // create chunk and use default value |
break; |
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ck = lstINFO->AddSubChunk(ChunkID, sDefault.size() + 1); |
} |
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char* pData = (char*) ck->LoadChunkData(); |
} |
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memcpy(pData, sDefault.c_str(), sDefault.size() + 1); |
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} |
} |
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RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
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::SaveString(ChunkID, ck, lstINFO, s, sDefault, size != 0, size); // function from helper.h |
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} |
} |
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/** @brief Update chunks with current info values. |
/** @brief Update chunks with current info values. |
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// make sure INFO list chunk exists |
// make sure INFO list chunk exists |
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RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO); |
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if (!lstINFO) lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
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// assemble default values in case the respective chunk is missing yet |
String defaultName = ""; |
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String defaultName = "NONAME"; |
String defaultCreationDate = ""; |
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// get current date |
String defaultSoftware = ""; |
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time_t now = time(NULL); |
String defaultComments = ""; |
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tm* pNowBroken = localtime(&now); |
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String defaultCreationDate = ToString(pNowBroken->tm_year) + "-" + |
uint32_t resourceType = pResourceListChunk->GetListType(); |
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ToString(pNowBroken->tm_mon) + "-" + |
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ToString(pNowBroken->tm_mday); |
if (!lstINFO) { |
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String defaultSoftware = libraryName() + " " + libraryVersion(); |
lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
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String defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
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// assemble default values |
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defaultName = "NONAME"; |
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if (resourceType == RIFF_TYPE_DLS) { |
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// get current date |
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time_t now = time(NULL); |
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tm* pNowBroken = localtime(&now); |
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char buf[11]; |
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strftime(buf, 11, "%F", pNowBroken); |
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defaultCreationDate = buf; |
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defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
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} |
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if (resourceType == RIFF_TYPE_DLS || resourceType == LIST_TYPE_INS) |
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{ |
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defaultSoftware = libraryName() + " " + libraryVersion(); |
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} |
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} |
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// save values |
// save values |
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SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName); |
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SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
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SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate); |
SaveString(CHUNK_ID_IART, lstINFO, Artists, String("")); |
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SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String("")); |
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SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments); |
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments); |
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SaveString(CHUNK_ID_IPRD, lstINFO, Product, String("")); |
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SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
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SaveString(CHUNK_ID_IART, lstINFO, Artists, String("")); |
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate); |
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SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String("")); |
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SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String("")); |
SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String("")); |
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SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String("")); |
SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String("")); |
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SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String("")); |
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SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String("")); |
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SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware); |
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SaveString(CHUNK_ID_IMED, lstINFO, Medium, String("")); |
SaveString(CHUNK_ID_IMED, lstINFO, Medium, String("")); |
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SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName); |
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SaveString(CHUNK_ID_IPRD, lstINFO, Product, String("")); |
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SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String("")); |
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SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware); |
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SaveString(CHUNK_ID_ISRC, lstINFO, Source, String("")); |
SaveString(CHUNK_ID_ISRC, lstINFO, Source, String("")); |
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SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String("")); |
SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String("")); |
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SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String("")); |
SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String("")); |
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} |
} |
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*/ |
*/ |
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void Resource::UpdateChunks() { |
void Resource::UpdateChunks() { |
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pInfo->UpdateChunks(); |
pInfo->UpdateChunks(); |
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//TODO: save DLSID |
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if (pDLSID) { |
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// make sure 'dlid' chunk exists |
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RIFF::Chunk* ckDLSID = pResourceList->GetSubChunk(CHUNK_ID_DLID); |
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if (!ckDLSID) ckDLSID = pResourceList->AddSubChunk(CHUNK_ID_DLID, 16); |
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uint8_t* pData = (uint8_t*)ckDLSID->LoadChunkData(); |
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// update 'dlid' chunk |
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store32(&pData[0], pDLSID->ulData1); |
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store16(&pData[4], pDLSID->usData2); |
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store16(&pData[6], pDLSID->usData3); |
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memcpy(&pData[8], pDLSID->abData, 8); |
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} |
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} |
} |
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/** |
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* Generates a new DLSID for the resource. |
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*/ |
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void Resource::GenerateDLSID() { |
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#if defined(WIN32) || defined(__APPLE__) || defined(HAVE_UUID_GENERATE) |
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if (!pDLSID) pDLSID = new dlsid_t; |
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#ifdef WIN32 |
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UUID uuid; |
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UuidCreate(&uuid); |
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pDLSID->ulData1 = uuid.Data1; |
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pDLSID->usData2 = uuid.Data2; |
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pDLSID->usData3 = uuid.Data3; |
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memcpy(pDLSID->abData, uuid.Data4, 8); |
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#elif defined(__APPLE__) |
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CFUUIDRef uuidRef = CFUUIDCreate(NULL); |
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CFUUIDBytes uuid = CFUUIDGetUUIDBytes(uuidRef); |
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CFRelease(uuidRef); |
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pDLSID->ulData1 = uuid.byte0 | uuid.byte1 << 8 | uuid.byte2 << 16 | uuid.byte3 << 24; |
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pDLSID->usData2 = uuid.byte4 | uuid.byte5 << 8; |
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pDLSID->usData3 = uuid.byte6 | uuid.byte7 << 8; |
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pDLSID->abData[0] = uuid.byte8; |
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pDLSID->abData[1] = uuid.byte9; |
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pDLSID->abData[2] = uuid.byte10; |
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pDLSID->abData[3] = uuid.byte11; |
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pDLSID->abData[4] = uuid.byte12; |
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pDLSID->abData[5] = uuid.byte13; |
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pDLSID->abData[6] = uuid.byte14; |
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pDLSID->abData[7] = uuid.byte15; |
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#else |
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uuid_t uuid; |
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uuid_generate(uuid); |
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pDLSID->ulData1 = uuid[0] | uuid[1] << 8 | uuid[2] << 16 | uuid[3] << 24; |
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pDLSID->usData2 = uuid[4] | uuid[5] << 8; |
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pDLSID->usData3 = uuid[6] | uuid[7] << 8; |
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memcpy(pDLSID->abData, &uuid[8], 8); |
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#endif |
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#endif |
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} |
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// *************** Sampler *************** |
// *************** Sampler *************** |
503 |
SamplerOptions = wsmp->ReadUint32(); |
SamplerOptions = wsmp->ReadUint32(); |
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SampleLoops = wsmp->ReadUint32(); |
SampleLoops = wsmp->ReadUint32(); |
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} else { // 'wsmp' chunk missing |
} else { // 'wsmp' chunk missing |
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uiHeaderSize = 0; |
uiHeaderSize = 20; |
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UnityNote = 64; |
UnityNote = 60; |
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FineTune = 0; // +- 0 cents |
FineTune = 0; // +- 0 cents |
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Gain = 0; // 0 dB |
Gain = 0; // 0 dB |
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SamplerOptions = F_WSMP_NO_COMPRESSION; |
SamplerOptions = F_WSMP_NO_COMPRESSION; |
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if (pSampleLoops) delete[] pSampleLoops; |
if (pSampleLoops) delete[] pSampleLoops; |
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} |
} |
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void Sampler::SetGain(int32_t gain) { |
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Gain = gain; |
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} |
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/** |
/** |
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* Apply all sample player options to the respective RIFF chunk. You |
* Apply all sample player options to the respective RIFF chunk. You |
537 |
* have to call File::Save() to make changes persistent. |
* have to call File::Save() to make changes persistent. |
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void Sampler::UpdateChunks() { |
void Sampler::UpdateChunks() { |
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// make sure 'wsmp' chunk exists |
// make sure 'wsmp' chunk exists |
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RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
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int wsmpSize = uiHeaderSize + SampleLoops * 16; |
543 |
if (!wsmp) { |
if (!wsmp) { |
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uiHeaderSize = 20; |
wsmp = pParentList->AddSubChunk(CHUNK_ID_WSMP, wsmpSize); |
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wsmp = pParentList->AddSubChunk(CHUNK_ID_WSMP, uiHeaderSize + SampleLoops * 16); |
} else if (wsmp->GetSize() != wsmpSize) { |
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wsmp->Resize(wsmpSize); |
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} |
} |
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uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
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// update headers size |
// update headers size |
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memccpy(&pData[0], &uiHeaderSize, 1, 4); |
store32(&pData[0], uiHeaderSize); |
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// update respective sampler options bits |
// update respective sampler options bits |
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SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
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: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
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SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
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: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
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store16(&pData[4], UnityNote); |
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store16(&pData[6], FineTune); |
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store32(&pData[8], Gain); |
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store32(&pData[12], SamplerOptions); |
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store32(&pData[16], SampleLoops); |
561 |
// update loop definitions |
// update loop definitions |
562 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
for (uint32_t i = 0; i < SampleLoops; i++) { |
563 |
//FIXME: this does not handle extended loop structs correctly |
//FIXME: this does not handle extended loop structs correctly |
564 |
memccpy(&pData[uiHeaderSize + i * 16], pSampleLoops + i, 4, 4); |
store32(&pData[uiHeaderSize + i * 16], pSampleLoops[i].Size); |
565 |
|
store32(&pData[uiHeaderSize + i * 16 + 4], pSampleLoops[i].LoopType); |
566 |
|
store32(&pData[uiHeaderSize + i * 16 + 8], pSampleLoops[i].LoopStart); |
567 |
|
store32(&pData[uiHeaderSize + i * 16 + 12], pSampleLoops[i].LoopLength); |
568 |
} |
} |
569 |
} |
} |
570 |
|
|
571 |
|
/** |
572 |
|
* Adds a new sample loop with the provided loop definition. |
573 |
|
* |
574 |
|
* @param pLoopDef - points to a loop definition that is to be copied |
575 |
|
*/ |
576 |
|
void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) { |
577 |
|
sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1]; |
578 |
|
// copy old loops array |
579 |
|
for (int i = 0; i < SampleLoops; i++) { |
580 |
|
pNewLoops[i] = pSampleLoops[i]; |
581 |
|
} |
582 |
|
// add the new loop |
583 |
|
pNewLoops[SampleLoops] = *pLoopDef; |
584 |
|
// auto correct size field |
585 |
|
pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t); |
586 |
|
// free the old array and update the member variables |
587 |
|
if (SampleLoops) delete[] pSampleLoops; |
588 |
|
pSampleLoops = pNewLoops; |
589 |
|
SampleLoops++; |
590 |
|
} |
591 |
|
|
592 |
|
/** |
593 |
|
* Deletes an existing sample loop. |
594 |
|
* |
595 |
|
* @param pLoopDef - pointer to existing loop definition |
596 |
|
* @throws Exception - if given loop definition does not exist |
597 |
|
*/ |
598 |
|
void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) { |
599 |
|
sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1]; |
600 |
|
// copy old loops array (skipping given loop) |
601 |
|
for (int i = 0, o = 0; i < SampleLoops; i++) { |
602 |
|
if (&pSampleLoops[i] == pLoopDef) continue; |
603 |
|
if (o == SampleLoops - 1) { |
604 |
|
delete[] pNewLoops; |
605 |
|
throw Exception("Could not delete Sample Loop, because it does not exist"); |
606 |
|
} |
607 |
|
pNewLoops[o] = pSampleLoops[i]; |
608 |
|
o++; |
609 |
|
} |
610 |
|
// free the old array and update the member variables |
611 |
|
if (SampleLoops) delete[] pSampleLoops; |
612 |
|
pSampleLoops = pNewLoops; |
613 |
|
SampleLoops--; |
614 |
|
} |
615 |
|
|
616 |
|
|
617 |
|
|
618 |
// *************** Sample *************** |
// *************** Sample *************** |
646 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
647 |
BlockAlign = pCkFormat->ReadUint16(); |
BlockAlign = pCkFormat->ReadUint16(); |
648 |
// PCM format specific |
// PCM format specific |
649 |
if (FormatTag == WAVE_FORMAT_PCM) { |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
650 |
BitDepth = pCkFormat->ReadUint16(); |
BitDepth = pCkFormat->ReadUint16(); |
651 |
FrameSize = (FormatTag == WAVE_FORMAT_PCM) ? (BitDepth / 8) * Channels |
FrameSize = (BitDepth / 8) * Channels; |
|
: 0; |
|
652 |
} else { // unsupported sample data format |
} else { // unsupported sample data format |
653 |
BitDepth = 0; |
BitDepth = 0; |
654 |
FrameSize = 0; |
FrameSize = 0; |
655 |
} |
} |
656 |
} else { // 'fmt' chunk missing |
} else { // 'fmt' chunk missing |
657 |
FormatTag = WAVE_FORMAT_PCM; |
FormatTag = DLS_WAVE_FORMAT_PCM; |
658 |
BitDepth = 16; |
BitDepth = 16; |
659 |
Channels = 1; |
Channels = 1; |
660 |
SamplesPerSecond = 44100; |
SamplesPerSecond = 44100; |
662 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
663 |
BlockAlign = FrameSize; |
BlockAlign = FrameSize; |
664 |
} |
} |
665 |
SamplesTotal = (pCkData) ? (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
666 |
: 0 |
: 0 |
667 |
: 0; |
: 0; |
668 |
} |
} |
669 |
|
|
723 |
* the RIFF chunk which encapsulates the sample's wave data. The |
* the RIFF chunk which encapsulates the sample's wave data. The |
724 |
* returned value is dependant to the current FrameSize value. |
* returned value is dependant to the current FrameSize value. |
725 |
* |
* |
726 |
* @returns number of sample points or 0 if FormatTag != WAVE_FORMAT_PCM |
* @returns number of sample points or 0 if FormatTag != DLS_WAVE_FORMAT_PCM |
727 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
728 |
*/ |
*/ |
729 |
unsigned long Sample::GetSize() { |
unsigned long Sample::GetSize() { |
730 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
731 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
732 |
} |
} |
733 |
|
|
749 |
* calling File::Save() as this might exceed the current sample's |
* calling File::Save() as this might exceed the current sample's |
750 |
* boundary! |
* boundary! |
751 |
* |
* |
752 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
753 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
754 |
* other formats will fail! |
* other formats will fail! |
755 |
* |
* |
756 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
757 |
* greater than zero) |
* greater than zero) |
758 |
* @throws Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
759 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a iNewSize is less than 1 |
760 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
761 |
*/ |
*/ |
762 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(int iNewSize) { |
763 |
if (FormatTag != WAVE_FORMAT_PCM) throw Exception("Sample's format is not WAVE_FORMAT_PCM"); |
if (FormatTag != DLS_WAVE_FORMAT_PCM) throw Exception("Sample's format is not DLS_WAVE_FORMAT_PCM"); |
764 |
if (iNewSize < 1) throw Exception("Sample size must be at least one sample point"); |
if (iNewSize < 1) throw Exception("Sample size must be at least one sample point"); |
765 |
const int iSizeInBytes = iNewSize * FrameSize; |
const int iSizeInBytes = iNewSize * FrameSize; |
766 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
773 |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
774 |
* the sample into RAM, thus for disk streaming. |
* the sample into RAM, thus for disk streaming. |
775 |
* |
* |
776 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
777 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to reposition the sample |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
778 |
* with other formats will fail! |
* with other formats will fail! |
779 |
* |
* |
780 |
* @param SampleCount number of sample points |
* @param SampleCount number of sample points |
781 |
* @param Whence to which relation \a SampleCount refers to |
* @param Whence to which relation \a SampleCount refers to |
782 |
* @returns new position within the sample, 0 if |
* @returns new position within the sample, 0 if |
783 |
* FormatTag != WAVE_FORMAT_PCM |
* FormatTag != DLS_WAVE_FORMAT_PCM |
784 |
* @throws Exception if no data RIFF chunk was created for the sample yet |
* @throws Exception if no data RIFF chunk was created for the sample yet |
785 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
786 |
*/ |
*/ |
787 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
788 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
789 |
if (!pCkData) throw Exception("No data chunk created for sample yet, call Sample::Resize() to create one"); |
if (!pCkData) throw Exception("No data chunk created for sample yet, call Sample::Resize() to create one"); |
790 |
unsigned long orderedBytes = SampleCount * FrameSize; |
unsigned long orderedBytes = SampleCount * FrameSize; |
791 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
803 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
804 |
*/ |
*/ |
805 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
806 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
807 |
return pCkData->Read(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
return pCkData->Read(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
808 |
} |
} |
809 |
|
|
823 |
* @see LoadSampleData() |
* @see LoadSampleData() |
824 |
*/ |
*/ |
825 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
826 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
827 |
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"); |
828 |
return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
829 |
} |
} |
832 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
833 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
834 |
* |
* |
835 |
* @throws Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
836 |
* was provided yet |
* was provided yet |
837 |
*/ |
*/ |
838 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks() { |
839 |
if (FormatTag != WAVE_FORMAT_PCM) |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
840 |
throw Exception("Could not save sample, only PCM format is supported"); |
throw Exception("Could not save sample, only PCM format is supported"); |
841 |
// we refuse to do anything if not sample wave form was provided yet |
// we refuse to do anything if not sample wave form was provided yet |
842 |
if (!pCkData) |
if (!pCkData) |
848 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
849 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
850 |
// update 'fmt' chunk |
// update 'fmt' chunk |
851 |
memccpy(&pData[0], &FormatTag, 1, 2); |
store16(&pData[0], FormatTag); |
852 |
memccpy(&pData[2], &Channels, 1, 2); |
store16(&pData[2], Channels); |
853 |
memccpy(&pData[4], &SamplesPerSecond, 1, 4); |
store32(&pData[4], SamplesPerSecond); |
854 |
memccpy(&pData[8], &AverageBytesPerSecond, 1, 4); |
store32(&pData[8], AverageBytesPerSecond); |
855 |
memccpy(&pData[12], &BlockAlign, 1, 2); |
store16(&pData[12], BlockAlign); |
856 |
memccpy(&pData[14], &BitDepth, 1, 2); // assuming PCM format |
store16(&pData[14], BitDepth); // assuming PCM format |
857 |
} |
} |
858 |
|
|
859 |
|
|
937 |
} |
} |
938 |
|
|
939 |
/** |
/** |
940 |
|
* Modifies the key range of this Region and makes sure the respective |
941 |
|
* chunks are in correct order. |
942 |
|
* |
943 |
|
* @param Low - lower end of key range |
944 |
|
* @param High - upper end of key range |
945 |
|
*/ |
946 |
|
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
947 |
|
KeyRange.low = Low; |
948 |
|
KeyRange.high = High; |
949 |
|
|
950 |
|
// make sure regions are already loaded |
951 |
|
Instrument* pInstrument = (Instrument*) GetParent(); |
952 |
|
if (!pInstrument->pRegions) pInstrument->LoadRegions(); |
953 |
|
if (!pInstrument->pRegions) return; |
954 |
|
|
955 |
|
// find the r which is the first one to the right of this region |
956 |
|
// at its new position |
957 |
|
Region* r = NULL; |
958 |
|
Region* prev_region = NULL; |
959 |
|
for ( |
960 |
|
Instrument::RegionList::iterator iter = pInstrument->pRegions->begin(); |
961 |
|
iter != pInstrument->pRegions->end(); iter++ |
962 |
|
) { |
963 |
|
if ((*iter)->KeyRange.low > this->KeyRange.low) { |
964 |
|
r = *iter; |
965 |
|
break; |
966 |
|
} |
967 |
|
prev_region = *iter; |
968 |
|
} |
969 |
|
|
970 |
|
// place this region before r if it's not already there |
971 |
|
if (prev_region != this) pInstrument->MoveRegion(this, r); |
972 |
|
} |
973 |
|
|
974 |
|
/** |
975 |
* Apply Region settings to the respective RIFF chunks. You have to |
* Apply Region settings to the respective RIFF chunks. You have to |
976 |
* call File::Save() to make changes persistent. |
* call File::Save() to make changes persistent. |
977 |
* |
* |
980 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
981 |
// make sure 'rgnh' chunk exists |
// make sure 'rgnh' chunk exists |
982 |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
983 |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, 14); |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
984 |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
985 |
FormatOptionFlags = (SelfNonExclusive) |
FormatOptionFlags = (SelfNonExclusive) |
986 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
987 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
988 |
// update 'rgnh' chunk |
// update 'rgnh' chunk |
989 |
memccpy(&pData[0], &KeyRange, 2, 2); |
store16(&pData[0], KeyRange.low); |
990 |
memccpy(&pData[4], &VelocityRange, 2, 2); |
store16(&pData[2], KeyRange.high); |
991 |
memccpy(&pData[8], &FormatOptionFlags, 1, 2); |
store16(&pData[4], VelocityRange.low); |
992 |
memccpy(&pData[10], &KeyGroup, 1, 2); |
store16(&pData[6], VelocityRange.high); |
993 |
memccpy(&pData[12], &Layer, 1, 2); |
store16(&pData[8], FormatOptionFlags); |
994 |
|
store16(&pData[10], KeyGroup); |
995 |
|
if (rgnh->GetSize() >= 14) store16(&pData[12], Layer); |
996 |
|
|
997 |
// update chunks of base classes as well |
// update chunks of base classes as well (but skip Resource, |
998 |
Resource::UpdateChunks(); |
// as a rgn doesn't seem to have dlid and INFO chunks) |
999 |
Articulator::UpdateChunks(); |
Articulator::UpdateChunks(); |
1000 |
Sampler::UpdateChunks(); |
Sampler::UpdateChunks(); |
1001 |
|
|
1012 |
// get sample's wave pool table index |
// get sample's wave pool table index |
1013 |
int index = -1; |
int index = -1; |
1014 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
1015 |
File::SampleList::iterator iter = pFile->pSamples->begin(); |
if (pFile->pSamples) { |
1016 |
File::SampleList::iterator end = pFile->pSamples->end(); |
File::SampleList::iterator iter = pFile->pSamples->begin(); |
1017 |
for (int i = 0; iter != end; ++iter, i++) { |
File::SampleList::iterator end = pFile->pSamples->end(); |
1018 |
if (*iter == pSample) { |
for (int i = 0; iter != end; ++iter, i++) { |
1019 |
index = i; |
if (*iter == pSample) { |
1020 |
break; |
index = i; |
1021 |
|
break; |
1022 |
|
} |
1023 |
} |
} |
1024 |
} |
} |
|
if (index < 0) throw Exception("Could not save Region, could not find Region's sample"); |
|
1025 |
WavePoolTableIndex = index; |
WavePoolTableIndex = index; |
1026 |
// update 'wlnk' chunk |
// update 'wlnk' chunk |
1027 |
memccpy(&pData[0], &WaveLinkOptionFlags, 1, 2); |
store16(&pData[0], WaveLinkOptionFlags); |
1028 |
memccpy(&pData[2], &PhaseGroup, 1, 2); |
store16(&pData[2], PhaseGroup); |
1029 |
memccpy(&pData[4], &Channel, 1, 4); |
store32(&pData[4], Channel); |
1030 |
memccpy(&pData[8], &WavePoolTableIndex, 1, 4); |
store32(&pData[8], WavePoolTableIndex); |
1031 |
} |
} |
1032 |
|
|
1033 |
|
|
1085 |
} |
} |
1086 |
|
|
1087 |
void Instrument::LoadRegions() { |
void Instrument::LoadRegions() { |
1088 |
|
if (!pRegions) pRegions = new RegionList; |
1089 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1090 |
if (!lrgn) throw DLS::Exception("Mandatory chunks in <ins > chunk not found."); |
if (lrgn) { |
1091 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
1092 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
1093 |
while (rgn) { |
while (rgn) { |
1094 |
if (rgn->GetListType() == regionCkType) { |
if (rgn->GetListType() == regionCkType) { |
1095 |
if (!pRegions) pRegions = new RegionList; |
pRegions->push_back(new Region(this, rgn)); |
1096 |
pRegions->push_back(new Region(this, rgn)); |
} |
1097 |
|
rgn = lrgn->GetNextSubList(); |
1098 |
} |
} |
|
rgn = lrgn->GetNextSubList(); |
|
1099 |
} |
} |
1100 |
} |
} |
1101 |
|
|
1102 |
Region* Instrument::AddRegion() { |
Region* Instrument::AddRegion() { |
1103 |
if (!pRegions) pRegions = new RegionList; |
if (!pRegions) LoadRegions(); |
1104 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1105 |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
1106 |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
1107 |
Region* pNewRegion = new Region(this, rgn); |
Region* pNewRegion = new Region(this, rgn); |
1108 |
pRegions->push_back(pNewRegion); |
pRegions->push_back(pNewRegion); |
1109 |
|
Regions = pRegions->size(); |
1110 |
return pNewRegion; |
return pNewRegion; |
1111 |
} |
} |
1112 |
|
|
1113 |
|
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
1114 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1115 |
|
lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0); |
1116 |
|
|
1117 |
|
pRegions->remove(pSrc); |
1118 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
1119 |
|
pRegions->insert(iter, pSrc); |
1120 |
|
} |
1121 |
|
|
1122 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
1123 |
|
if (!pRegions) return; |
1124 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1125 |
if (iter == pRegions->end()) return; |
if (iter == pRegions->end()) return; |
1126 |
pRegions->erase(iter); |
pRegions->erase(iter); |
1127 |
|
Regions = pRegions->size(); |
1128 |
delete pRegion; |
delete pRegion; |
1129 |
} |
} |
1130 |
|
|
1143 |
if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12); |
if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12); |
1144 |
uint8_t* pData = (uint8_t*) insh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) insh->LoadChunkData(); |
1145 |
// update 'insh' chunk |
// update 'insh' chunk |
1146 |
Regions = pRegions->size(); |
Regions = (pRegions) ? pRegions->size() : 0; |
1147 |
midi_locale_t locale; |
midi_locale_t locale; |
1148 |
locale.instrument = MIDIProgram; |
locale.instrument = MIDIProgram; |
1149 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1150 |
locale.bank = (IsDrum) ? locale.bank | DRUM_TYPE_MASK : locale.bank & (~DRUM_TYPE_MASK); |
locale.bank = (IsDrum) ? locale.bank | DRUM_TYPE_MASK : locale.bank & (~DRUM_TYPE_MASK); |
1151 |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); // just a sync, when we're at it |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); // just a sync, when we're at it |
1152 |
memccpy(&pData[0], &Regions, 1, 4); |
store32(&pData[0], Regions); |
1153 |
memccpy(&pData[4], &locale, 2, 4); |
store32(&pData[4], locale.bank); |
1154 |
|
store32(&pData[8], locale.instrument); |
1155 |
// update Region's chunks |
// update Region's chunks |
1156 |
|
if (!pRegions) return; |
1157 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1158 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
1159 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
1192 |
* to add samples, instruments and finally call Save() to actually write |
* to add samples, instruments and finally call Save() to actually write |
1193 |
* a DLS file. |
* a DLS file. |
1194 |
*/ |
*/ |
1195 |
File::File() : pRIFF(new RIFF::File(RIFF_TYPE_DLS)), Resource(NULL, pRIFF) { |
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
1196 |
|
pRIFF->SetByteOrder(RIFF::endian_little); |
1197 |
pVersion = new version_t; |
pVersion = new version_t; |
1198 |
pVersion->major = 0; |
pVersion->major = 0; |
1199 |
pVersion->minor = 0; |
pVersion->minor = 0; |
1237 |
Instruments = colh->ReadUint32(); |
Instruments = colh->ReadUint32(); |
1238 |
|
|
1239 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1240 |
if (!ptbl) throw DLS::Exception("Mandatory <ptbl> chunk not found."); |
if (!ptbl) { // pool table is missing - this is probably an ".art" file |
1241 |
WavePoolHeaderSize = ptbl->ReadUint32(); |
WavePoolCount = 0; |
1242 |
WavePoolCount = ptbl->ReadUint32(); |
pWavePoolTable = NULL; |
1243 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
pWavePoolTableHi = NULL; |
1244 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
WavePoolHeaderSize = 8; |
1245 |
ptbl->SetPos(WavePoolHeaderSize); |
b64BitWavePoolOffsets = false; |
1246 |
|
} else { |
1247 |
// Check for 64 bit offsets (used in gig v3 files) |
WavePoolHeaderSize = ptbl->ReadUint32(); |
1248 |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
WavePoolCount = ptbl->ReadUint32(); |
1249 |
if (b64BitWavePoolOffsets) { |
pWavePoolTable = new uint32_t[WavePoolCount]; |
1250 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1251 |
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
ptbl->SetPos(WavePoolHeaderSize); |
1252 |
pWavePoolTable[i] = ptbl->ReadUint32(); |
|
1253 |
if (pWavePoolTable[i] & 0x80000000) |
// Check for 64 bit offsets (used in gig v3 files) |
1254 |
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
1255 |
|
if (b64BitWavePoolOffsets) { |
1256 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1257 |
|
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
1258 |
|
pWavePoolTable[i] = ptbl->ReadUint32(); |
1259 |
|
if (pWavePoolTable[i] & 0x80000000) |
1260 |
|
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
1261 |
|
} |
1262 |
|
} else { // conventional 32 bit offsets |
1263 |
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
1264 |
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
1265 |
} |
} |
|
} else { // conventional 32 bit offsets |
|
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
|
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
|
1266 |
} |
} |
1267 |
|
|
1268 |
pSamples = NULL; |
pSamples = NULL; |
1293 |
if (pWavePoolTable) delete[] pWavePoolTable; |
if (pWavePoolTable) delete[] pWavePoolTable; |
1294 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1295 |
if (pVersion) delete pVersion; |
if (pVersion) delete pVersion; |
1296 |
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1297 |
|
delete *i; |
1298 |
} |
} |
1299 |
|
|
1300 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample() { |
1311 |
} |
} |
1312 |
|
|
1313 |
void File::LoadSamples() { |
void File::LoadSamples() { |
1314 |
|
if (!pSamples) pSamples = new SampleList; |
1315 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1316 |
if (wvpl) { |
if (wvpl) { |
1317 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1318 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1319 |
while (wave) { |
while (wave) { |
1320 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1321 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1322 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1323 |
} |
} |
1331 |
RIFF::List* wave = dwpl->GetFirstSubList(); |
RIFF::List* wave = dwpl->GetFirstSubList(); |
1332 |
while (wave) { |
while (wave) { |
1333 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1334 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1335 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
1336 |
} |
} |
1348 |
* @returns pointer to new Sample object |
* @returns pointer to new Sample object |
1349 |
*/ |
*/ |
1350 |
Sample* File::AddSample() { |
Sample* File::AddSample() { |
1351 |
|
if (!pSamples) LoadSamples(); |
1352 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
1353 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1354 |
// create new Sample object and its respective 'wave' list chunk |
// create new Sample object and its respective 'wave' list chunk |
|
if (!pSamples) pSamples = new SampleList; |
|
1355 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
1356 |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
1357 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
1366 |
* @param pSample - sample to delete |
* @param pSample - sample to delete |
1367 |
*/ |
*/ |
1368 |
void File::DeleteSample(Sample* pSample) { |
void File::DeleteSample(Sample* pSample) { |
1369 |
|
if (!pSamples) return; |
1370 |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), pSample); |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), pSample); |
1371 |
if (iter == pSamples->end()) return; |
if (iter == pSamples->end()) return; |
1372 |
pSamples->erase(iter); |
pSamples->erase(iter); |
1387 |
} |
} |
1388 |
|
|
1389 |
void File::LoadInstruments() { |
void File::LoadInstruments() { |
1390 |
|
if (!pInstruments) pInstruments = new InstrumentList; |
1391 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1392 |
if (lstInstruments) { |
if (lstInstruments) { |
1393 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1394 |
while (lstInstr) { |
while (lstInstr) { |
1395 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1396 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr)); |
1397 |
} |
} |
1398 |
lstInstr = lstInstruments->GetNextSubList(); |
lstInstr = lstInstruments->GetNextSubList(); |
1408 |
* @returns pointer to new Instrument object |
* @returns pointer to new Instrument object |
1409 |
*/ |
*/ |
1410 |
Instrument* File::AddInstrument() { |
Instrument* File::AddInstrument() { |
1411 |
|
if (!pInstruments) LoadInstruments(); |
1412 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1413 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1414 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
1415 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
1417 |
return pInstrument; |
return pInstrument; |
1418 |
} |
} |
1419 |
|
|
1420 |
/** @brief Delete a instrument. |
/** @brief Delete an instrument. |
1421 |
* |
* |
1422 |
* This will delete the given Instrument object from the DLS file. You |
* This will delete the given Instrument object from the DLS file. You |
1423 |
* have to call Save() to make this persistent to the file. |
* have to call Save() to make this persistent to the file. |
1425 |
* @param pInstrument - instrument to delete |
* @param pInstrument - instrument to delete |
1426 |
*/ |
*/ |
1427 |
void File::DeleteInstrument(Instrument* pInstrument) { |
void File::DeleteInstrument(Instrument* pInstrument) { |
1428 |
|
if (!pInstruments) return; |
1429 |
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), pInstrument); |
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), pInstrument); |
1430 |
if (iter == pInstruments->end()) return; |
if (iter == pInstruments->end()) return; |
1431 |
pInstruments->erase(iter); |
pInstruments->erase(iter); |
1433 |
} |
} |
1434 |
|
|
1435 |
/** |
/** |
1436 |
|
* Returns extension file of given index. Extension files are used |
1437 |
|
* sometimes to circumvent the 2 GB file size limit of the RIFF format and |
1438 |
|
* of certain operating systems in general. In this case, instead of just |
1439 |
|
* using one file, the content is spread among several files with similar |
1440 |
|
* file name scheme. This is especially used by some GigaStudio sound |
1441 |
|
* libraries. |
1442 |
|
* |
1443 |
|
* @param index - index of extension file |
1444 |
|
* @returns sought extension file, NULL if index out of bounds |
1445 |
|
* @see GetFileName() |
1446 |
|
*/ |
1447 |
|
RIFF::File* File::GetExtensionFile(int index) { |
1448 |
|
if (index < 0 || index >= ExtensionFiles.size()) return NULL; |
1449 |
|
std::list<RIFF::File*>::iterator iter = ExtensionFiles.begin(); |
1450 |
|
for (int i = 0; iter != ExtensionFiles.end(); ++iter, ++i) |
1451 |
|
if (i == index) return *iter; |
1452 |
|
return NULL; |
1453 |
|
} |
1454 |
|
|
1455 |
|
/** @brief File name of this DLS file. |
1456 |
|
* |
1457 |
|
* This method returns the file name as it was provided when loading |
1458 |
|
* the respective DLS file. However in case the File object associates |
1459 |
|
* an empty, that is new DLS file, which was not yet saved to disk, |
1460 |
|
* this method will return an empty string. |
1461 |
|
* |
1462 |
|
* @see GetExtensionFile() |
1463 |
|
*/ |
1464 |
|
String File::GetFileName() { |
1465 |
|
return pRIFF->GetFileName(); |
1466 |
|
} |
1467 |
|
|
1468 |
|
/** |
1469 |
* Apply all the DLS file's current instruments, samples and settings to |
* Apply all the DLS file's current instruments, samples and settings to |
1470 |
* the respective RIFF chunks. You have to call Save() to make changes |
* the respective RIFF chunks. You have to call Save() to make changes |
1471 |
* persistent. |
* persistent. |
1481 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1482 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1483 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1484 |
memccpy(pData, pVersion, 2, 4); |
store16(&pData[0], pVersion->minor); |
1485 |
|
store16(&pData[2], pVersion->major); |
1486 |
|
store16(&pData[4], pVersion->build); |
1487 |
|
store16(&pData[6], pVersion->release); |
1488 |
} |
} |
1489 |
|
|
1490 |
// update 'colh' chunk |
// update 'colh' chunk |
1492 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1493 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1494 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1495 |
memccpy(pData, &Instruments, 1, 4); |
store32(pData, Instruments); |
1496 |
|
|
1497 |
// update instrument's chunks |
// update instrument's chunks |
1498 |
if (pInstruments) { |
if (pInstruments) { |
1512 |
ptbl->Resize(iPtblSize); |
ptbl->Resize(iPtblSize); |
1513 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1514 |
WavePoolCount = iSamples; |
WavePoolCount = iSamples; |
1515 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
store32(&pData[4], WavePoolCount); |
1516 |
// we actually update the sample offsets in the pool table when we Save() |
// we actually update the sample offsets in the pool table when we Save() |
1517 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1518 |
|
|
1583 |
/** |
/** |
1584 |
* Updates (persistently) the wave pool table with offsets to all |
* Updates (persistently) the wave pool table with offsets to all |
1585 |
* currently available samples. <b>Caution:</b> this method assumes the |
* currently available samples. <b>Caution:</b> this method assumes the |
1586 |
* 'ptbl' chunk to be already of the correct size, so usually this |
* 'ptbl' chunk to be already of the correct size and the file to be |
1587 |
* method is only called after a Save() call. |
* writable, so usually this method is only called after a Save() call. |
1588 |
* |
* |
1589 |
* @throws Exception - if 'ptbl' chunk is too small (should only occur |
* @throws Exception - if 'ptbl' chunk is too small (should only occur |
1590 |
* if there's a bug) |
* if there's a bug) |
1594 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1595 |
const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
1596 |
// check if 'ptbl' chunk is large enough |
// check if 'ptbl' chunk is large enough |
1597 |
WavePoolCount = pSamples->size(); |
WavePoolCount = (pSamples) ? pSamples->size() : 0; |
1598 |
const unsigned long ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount; |
const unsigned long ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount; |
1599 |
if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small"); |
if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small"); |
1600 |
uint8_t* pData = (uint8_t*) ptbl->LoadChunkData(); |
// save the 'ptbl' chunk's current read/write position |
1601 |
|
unsigned long ulOriginalPos = ptbl->GetPos(); |
1602 |
// update headers |
// update headers |
1603 |
memccpy(&pData[0], &WavePoolHeaderSize, 1, 4); |
ptbl->SetPos(0); |
1604 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
uint32_t tmp = WavePoolHeaderSize; |
1605 |
|
ptbl->WriteUint32(&tmp); |
1606 |
|
tmp = WavePoolCount; |
1607 |
|
ptbl->WriteUint32(&tmp); |
1608 |
// update offsets |
// update offsets |
1609 |
|
ptbl->SetPos(WavePoolHeaderSize); |
1610 |
if (b64BitWavePoolOffsets) { |
if (b64BitWavePoolOffsets) { |
1611 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1612 |
memccpy(&pData[WavePoolHeaderSize + i*iOffsetSize], &pWavePoolTableHi[i], 1, 4); |
tmp = pWavePoolTableHi[i]; |
1613 |
memccpy(&pData[WavePoolHeaderSize + i*iOffsetSize], &pWavePoolTable[i], 1, 4); |
ptbl->WriteUint32(&tmp); |
1614 |
|
tmp = pWavePoolTable[i]; |
1615 |
|
ptbl->WriteUint32(&tmp); |
1616 |
} |
} |
1617 |
} else { // conventional 32 bit offsets |
} else { // conventional 32 bit offsets |
1618 |
for (int i = 0 ; i < WavePoolCount ; i++) |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1619 |
memccpy(&pData[WavePoolHeaderSize + i*iOffsetSize], &pWavePoolTable[i], 1, 4); |
tmp = pWavePoolTable[i]; |
1620 |
|
ptbl->WriteUint32(&tmp); |
1621 |
|
} |
1622 |
} |
} |
1623 |
|
// restore 'ptbl' chunk's original read/write position |
1624 |
|
ptbl->SetPos(ulOriginalPos); |
1625 |
} |
} |
1626 |
|
|
1627 |
/** |
/** |
1630 |
* exists already. |
* exists already. |
1631 |
*/ |
*/ |
1632 |
void File::__UpdateWavePoolTable() { |
void File::__UpdateWavePoolTable() { |
1633 |
WavePoolCount = pSamples->size(); |
WavePoolCount = (pSamples) ? pSamples->size() : 0; |
1634 |
// resize wave pool table arrays |
// resize wave pool table arrays |
1635 |
if (pWavePoolTable) delete[] pWavePoolTable; |
if (pWavePoolTable) delete[] pWavePoolTable; |
1636 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1637 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
pWavePoolTable = new uint32_t[WavePoolCount]; |
1638 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1639 |
|
if (!pSamples) return; |
1640 |
// update offsets int wave pool table |
// update offsets int wave pool table |
1641 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1642 |
uint64_t wvplFileOffset = wvpl->GetFilePos(); |
uint64_t wvplFileOffset = wvpl->GetFilePos(); |
1644 |
SampleList::iterator iter = pSamples->begin(); |
SampleList::iterator iter = pSamples->begin(); |
1645 |
SampleList::iterator end = pSamples->end(); |
SampleList::iterator end = pSamples->end(); |
1646 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
for (int i = 0 ; iter != end ; ++iter, i++) { |
1647 |
uint64_t _64BitOffset = wvplFileOffset - (*iter)->pWaveList->GetFilePos() - LIST_HEADER_SIZE; |
uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE; |
1648 |
(*iter)->ulWavePoolOffset = _64BitOffset; |
(*iter)->ulWavePoolOffset = _64BitOffset; |
1649 |
pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32); |
pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32); |
1650 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
1653 |
SampleList::iterator iter = pSamples->begin(); |
SampleList::iterator iter = pSamples->begin(); |
1654 |
SampleList::iterator end = pSamples->end(); |
SampleList::iterator end = pSamples->end(); |
1655 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
for (int i = 0 ; iter != end ; ++iter, i++) { |
1656 |
uint64_t _64BitOffset = wvplFileOffset - (*iter)->pWaveList->GetFilePos() - LIST_HEADER_SIZE; |
uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE; |
1657 |
(*iter)->ulWavePoolOffset = _64BitOffset; |
(*iter)->ulWavePoolOffset = _64BitOffset; |
1658 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
1659 |
} |
} |