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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) 2003-2007 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 <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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/** @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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FixedStringLengths = 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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*/ |
*/ |
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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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const char* str = (char*)ck->LoadChunkData(); |
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int size = ck->GetSize(); |
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int len; |
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for (len = 0 ; len < size ; len++) |
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if (str[len] == '\0') break; |
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s.assign(str, len); |
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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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* @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 (FixedStringLengths) { |
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ck->Resize(s.size() + 1); |
for (int i = 0 ; FixedStringLengths[i].length ; i++) { |
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char* pData = (char*) ck->LoadChunkData(); |
if (FixedStringLengths[i].chunkId == ChunkID) { |
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memcpy(pData, s.c_str(), s.size() + 1); |
size = FixedStringLengths[i].length; |
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} else if (s != "" || sDefault != "") { // create chunk |
break; |
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const String& sToSave = (s != "") ? s : sDefault; |
} |
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ck = lstINFO->AddSubChunk(ChunkID, sToSave.size() + 1); |
} |
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char* pData = (char*) ck->LoadChunkData(); |
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memcpy(pData, sToSave.c_str(), sToSave.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(1900 + pNowBroken->tm_year) + "-" + |
uint32_t resourceType = pResourceListChunk->GetListType(); |
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ToString(pNowBroken->tm_mon + 1) + "-" + |
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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 |
465 |
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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 *************** |
488 |
SampleLoops = wsmp->ReadUint32(); |
SampleLoops = wsmp->ReadUint32(); |
489 |
} else { // 'wsmp' chunk missing |
} else { // 'wsmp' chunk missing |
490 |
uiHeaderSize = 0; |
uiHeaderSize = 0; |
491 |
UnityNote = 64; |
UnityNote = 60; |
492 |
FineTune = 0; // +- 0 cents |
FineTune = 0; // +- 0 cents |
493 |
Gain = 0; // 0 dB |
Gain = 0; // 0 dB |
494 |
SamplerOptions = F_WSMP_NO_COMPRESSION; |
SamplerOptions = F_WSMP_NO_COMPRESSION; |
512 |
if (pSampleLoops) delete[] pSampleLoops; |
if (pSampleLoops) delete[] pSampleLoops; |
513 |
} |
} |
514 |
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515 |
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void Sampler::SetGain(int32_t gain) { |
516 |
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Gain = gain; |
517 |
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} |
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/** |
/** |
520 |
* Apply all sample player options to the respective RIFF chunk. You |
* Apply all sample player options to the respective RIFF chunk. You |
521 |
* have to call File::Save() to make changes persistent. |
* have to call File::Save() to make changes persistent. |
529 |
} |
} |
530 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
531 |
// update headers size |
// update headers size |
532 |
memccpy(&pData[0], &uiHeaderSize, 1, 4); |
store32(&pData[0], uiHeaderSize); |
533 |
// update respective sampler options bits |
// update respective sampler options bits |
534 |
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); |
536 |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
537 |
: 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); |
541 |
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store32(&pData[12], SamplerOptions); |
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store32(&pData[16], SampleLoops); |
543 |
// update loop definitions |
// update loop definitions |
544 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
for (uint32_t i = 0; i < SampleLoops; i++) { |
545 |
//FIXME: this does not handle extended loop structs correctly |
//FIXME: this does not handle extended loop structs correctly |
546 |
memccpy(&pData[uiHeaderSize + i * 16], pSampleLoops + i, 4, 4); |
store32(&pData[uiHeaderSize + i * 16], pSampleLoops[i].Size); |
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store32(&pData[uiHeaderSize + i * 16 + 4], pSampleLoops[i].LoopType); |
548 |
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store32(&pData[uiHeaderSize + i * 16 + 8], pSampleLoops[i].LoopStart); |
549 |
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store32(&pData[uiHeaderSize + i * 16 + 12], pSampleLoops[i].LoopLength); |
550 |
} |
} |
551 |
} |
} |
552 |
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553 |
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/** |
554 |
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* Adds a new sample loop with the provided loop definition. |
555 |
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* |
556 |
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* @param pLoopDef - points to a loop definition that is to be copied |
557 |
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*/ |
558 |
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void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) { |
559 |
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sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1]; |
560 |
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// copy old loops array |
561 |
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for (int i = 0; i < SampleLoops; i++) { |
562 |
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pNewLoops[i] = pSampleLoops[i]; |
563 |
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} |
564 |
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// add the new loop |
565 |
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pNewLoops[SampleLoops] = *pLoopDef; |
566 |
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// auto correct size field |
567 |
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pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t); |
568 |
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// free the old array and update the member variables |
569 |
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if (SampleLoops) delete[] pSampleLoops; |
570 |
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pSampleLoops = pNewLoops; |
571 |
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SampleLoops++; |
572 |
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} |
573 |
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574 |
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/** |
575 |
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* Deletes an existing sample loop. |
576 |
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* |
577 |
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* @param pLoopDef - pointer to existing loop definition |
578 |
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* @throws Exception - if given loop definition does not exist |
579 |
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*/ |
580 |
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void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) { |
581 |
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sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1]; |
582 |
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// copy old loops array (skipping given loop) |
583 |
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for (int i = 0, o = 0; i < SampleLoops; i++) { |
584 |
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if (&pSampleLoops[i] == pLoopDef) continue; |
585 |
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if (o == SampleLoops - 1) |
586 |
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throw Exception("Could not delete Sample Loop, because it does not exist"); |
587 |
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pNewLoops[o] = pSampleLoops[i]; |
588 |
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o++; |
589 |
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} |
590 |
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// free the old array and update the member variables |
591 |
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if (SampleLoops) delete[] pSampleLoops; |
592 |
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pSampleLoops = pNewLoops; |
593 |
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SampleLoops--; |
594 |
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} |
595 |
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596 |
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597 |
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598 |
// *************** Sample *************** |
// *************** Sample *************** |
626 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
627 |
BlockAlign = pCkFormat->ReadUint16(); |
BlockAlign = pCkFormat->ReadUint16(); |
628 |
// PCM format specific |
// PCM format specific |
629 |
if (FormatTag == WAVE_FORMAT_PCM) { |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
630 |
BitDepth = pCkFormat->ReadUint16(); |
BitDepth = pCkFormat->ReadUint16(); |
631 |
FrameSize = (FormatTag == WAVE_FORMAT_PCM) ? (BitDepth / 8) * Channels |
FrameSize = (BitDepth / 8) * Channels; |
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: 0; |
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632 |
} else { // unsupported sample data format |
} else { // unsupported sample data format |
633 |
BitDepth = 0; |
BitDepth = 0; |
634 |
FrameSize = 0; |
FrameSize = 0; |
635 |
} |
} |
636 |
} else { // 'fmt' chunk missing |
} else { // 'fmt' chunk missing |
637 |
FormatTag = WAVE_FORMAT_PCM; |
FormatTag = DLS_WAVE_FORMAT_PCM; |
638 |
BitDepth = 16; |
BitDepth = 16; |
639 |
Channels = 1; |
Channels = 1; |
640 |
SamplesPerSecond = 44100; |
SamplesPerSecond = 44100; |
642 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
643 |
BlockAlign = FrameSize; |
BlockAlign = FrameSize; |
644 |
} |
} |
645 |
SamplesTotal = (pCkData) ? (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
646 |
: 0 |
: 0 |
647 |
: 0; |
: 0; |
648 |
} |
} |
649 |
|
|
703 |
* the RIFF chunk which encapsulates the sample's wave data. The |
* the RIFF chunk which encapsulates the sample's wave data. The |
704 |
* returned value is dependant to the current FrameSize value. |
* returned value is dependant to the current FrameSize value. |
705 |
* |
* |
706 |
* @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 |
707 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
708 |
*/ |
*/ |
709 |
unsigned long Sample::GetSize() { |
unsigned long Sample::GetSize() { |
710 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
711 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
712 |
} |
} |
713 |
|
|
729 |
* calling File::Save() as this might exceed the current sample's |
* calling File::Save() as this might exceed the current sample's |
730 |
* boundary! |
* boundary! |
731 |
* |
* |
732 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
733 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
734 |
* other formats will fail! |
* other formats will fail! |
735 |
* |
* |
736 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
737 |
* greater than zero) |
* greater than zero) |
738 |
* @throws Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
739 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a iNewSize is less than 1 |
740 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
741 |
*/ |
*/ |
742 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(int iNewSize) { |
743 |
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"); |
744 |
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"); |
745 |
const int iSizeInBytes = iNewSize * FrameSize; |
const int iSizeInBytes = iNewSize * FrameSize; |
746 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
753 |
* 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 |
754 |
* the sample into RAM, thus for disk streaming. |
* the sample into RAM, thus for disk streaming. |
755 |
* |
* |
756 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
757 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to reposition the sample |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
758 |
* with other formats will fail! |
* with other formats will fail! |
759 |
* |
* |
760 |
* @param SampleCount number of sample points |
* @param SampleCount number of sample points |
761 |
* @param Whence to which relation \a SampleCount refers to |
* @param Whence to which relation \a SampleCount refers to |
762 |
* @returns new position within the sample, 0 if |
* @returns new position within the sample, 0 if |
763 |
* FormatTag != WAVE_FORMAT_PCM |
* FormatTag != DLS_WAVE_FORMAT_PCM |
764 |
* @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 |
765 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
766 |
*/ |
*/ |
767 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
768 |
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 |
769 |
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"); |
770 |
unsigned long orderedBytes = SampleCount * FrameSize; |
unsigned long orderedBytes = SampleCount * FrameSize; |
771 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
783 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
784 |
*/ |
*/ |
785 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
786 |
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 |
787 |
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? |
788 |
} |
} |
789 |
|
|
803 |
* @see LoadSampleData() |
* @see LoadSampleData() |
804 |
*/ |
*/ |
805 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(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 |
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"); |
808 |
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? |
809 |
} |
} |
812 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
813 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
814 |
* |
* |
815 |
* @throws Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
816 |
* was provided yet |
* was provided yet |
817 |
*/ |
*/ |
818 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks() { |
819 |
if (FormatTag != WAVE_FORMAT_PCM) |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
820 |
throw Exception("Could not save sample, only PCM format is supported"); |
throw Exception("Could not save sample, only PCM format is supported"); |
821 |
// 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 |
822 |
if (!pCkData) |
if (!pCkData) |
828 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
829 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
830 |
// update 'fmt' chunk |
// update 'fmt' chunk |
831 |
memccpy(&pData[0], &FormatTag, 1, 2); |
store16(&pData[0], FormatTag); |
832 |
memccpy(&pData[2], &Channels, 1, 2); |
store16(&pData[2], Channels); |
833 |
memccpy(&pData[4], &SamplesPerSecond, 1, 4); |
store32(&pData[4], SamplesPerSecond); |
834 |
memccpy(&pData[8], &AverageBytesPerSecond, 1, 4); |
store32(&pData[8], AverageBytesPerSecond); |
835 |
memccpy(&pData[12], &BlockAlign, 1, 2); |
store16(&pData[12], BlockAlign); |
836 |
memccpy(&pData[14], &BitDepth, 1, 2); // assuming PCM format |
store16(&pData[14], BitDepth); // assuming PCM format |
837 |
} |
} |
838 |
|
|
839 |
|
|
917 |
} |
} |
918 |
|
|
919 |
/** |
/** |
920 |
|
* Modifies the key range of this Region and makes sure the respective |
921 |
|
* chunks are in correct order. |
922 |
|
* |
923 |
|
* @param Low - lower end of key range |
924 |
|
* @param High - upper end of key range |
925 |
|
*/ |
926 |
|
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
927 |
|
KeyRange.low = Low; |
928 |
|
KeyRange.high = High; |
929 |
|
|
930 |
|
// make sure regions are already loaded |
931 |
|
Instrument* pInstrument = (Instrument*) GetParent(); |
932 |
|
if (!pInstrument->pRegions) pInstrument->LoadRegions(); |
933 |
|
if (!pInstrument->pRegions) return; |
934 |
|
|
935 |
|
// find the r which is the first one to the right of this region |
936 |
|
// at its new position |
937 |
|
Region* r = NULL; |
938 |
|
Region* prev_region = NULL; |
939 |
|
for ( |
940 |
|
Instrument::RegionList::iterator iter = pInstrument->pRegions->begin(); |
941 |
|
iter != pInstrument->pRegions->end(); iter++ |
942 |
|
) { |
943 |
|
if ((*iter)->KeyRange.low > this->KeyRange.low) { |
944 |
|
r = *iter; |
945 |
|
break; |
946 |
|
} |
947 |
|
prev_region = *iter; |
948 |
|
} |
949 |
|
|
950 |
|
// place this region before r if it's not already there |
951 |
|
if (prev_region != this) pInstrument->MoveRegion(this, r); |
952 |
|
} |
953 |
|
|
954 |
|
/** |
955 |
* Apply Region settings to the respective RIFF chunks. You have to |
* Apply Region settings to the respective RIFF chunks. You have to |
956 |
* call File::Save() to make changes persistent. |
* call File::Save() to make changes persistent. |
957 |
* |
* |
960 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
961 |
// make sure 'rgnh' chunk exists |
// make sure 'rgnh' chunk exists |
962 |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
963 |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, 14); |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
964 |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
965 |
FormatOptionFlags = (SelfNonExclusive) |
FormatOptionFlags = (SelfNonExclusive) |
966 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
967 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
968 |
// update 'rgnh' chunk |
// update 'rgnh' chunk |
969 |
memccpy(&pData[0], &KeyRange, 2, 2); |
store16(&pData[0], KeyRange.low); |
970 |
memccpy(&pData[4], &VelocityRange, 2, 2); |
store16(&pData[2], KeyRange.high); |
971 |
memccpy(&pData[8], &FormatOptionFlags, 1, 2); |
store16(&pData[4], VelocityRange.low); |
972 |
memccpy(&pData[10], &KeyGroup, 1, 2); |
store16(&pData[6], VelocityRange.high); |
973 |
memccpy(&pData[12], &Layer, 1, 2); |
store16(&pData[8], FormatOptionFlags); |
974 |
|
store16(&pData[10], KeyGroup); |
975 |
|
if (rgnh->GetSize() >= 14) store16(&pData[12], Layer); |
976 |
|
|
977 |
// update chunks of base classes as well |
// update chunks of base classes as well (but skip Resource, |
978 |
Resource::UpdateChunks(); |
// as a rgn doesn't seem to have dlid and INFO chunks) |
979 |
Articulator::UpdateChunks(); |
Articulator::UpdateChunks(); |
980 |
Sampler::UpdateChunks(); |
Sampler::UpdateChunks(); |
981 |
|
|
1002 |
} |
} |
1003 |
} |
} |
1004 |
} |
} |
|
if (index < 0) throw Exception("Could not save Region, could not find Region's sample"); |
|
1005 |
WavePoolTableIndex = index; |
WavePoolTableIndex = index; |
1006 |
// update 'wlnk' chunk |
// update 'wlnk' chunk |
1007 |
memccpy(&pData[0], &WaveLinkOptionFlags, 1, 2); |
store16(&pData[0], WaveLinkOptionFlags); |
1008 |
memccpy(&pData[2], &PhaseGroup, 1, 2); |
store16(&pData[2], PhaseGroup); |
1009 |
memccpy(&pData[4], &Channel, 1, 4); |
store32(&pData[4], Channel); |
1010 |
memccpy(&pData[8], &WavePoolTableIndex, 1, 4); |
store32(&pData[8], WavePoolTableIndex); |
1011 |
} |
} |
1012 |
|
|
1013 |
|
|
1090 |
return pNewRegion; |
return pNewRegion; |
1091 |
} |
} |
1092 |
|
|
1093 |
|
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
1094 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1095 |
|
lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0); |
1096 |
|
|
1097 |
|
pRegions->remove(pSrc); |
1098 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
1099 |
|
pRegions->insert(iter, pSrc); |
1100 |
|
} |
1101 |
|
|
1102 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
1103 |
if (!pRegions) return; |
if (!pRegions) return; |
1104 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1129 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1130 |
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); |
1131 |
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 |
1132 |
memccpy(&pData[0], &Regions, 1, 4); |
store32(&pData[0], Regions); |
1133 |
memccpy(&pData[4], &locale, 2, 4); |
store32(&pData[4], locale.bank); |
1134 |
|
store32(&pData[8], locale.instrument); |
1135 |
// update Region's chunks |
// update Region's chunks |
1136 |
if (!pRegions) return; |
if (!pRegions) return; |
1137 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1173 |
* a DLS file. |
* a DLS file. |
1174 |
*/ |
*/ |
1175 |
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
1176 |
|
pRIFF->SetByteOrder(RIFF::endian_little); |
1177 |
pVersion = new version_t; |
pVersion = new version_t; |
1178 |
pVersion->major = 0; |
pVersion->major = 0; |
1179 |
pVersion->minor = 0; |
pVersion->minor = 0; |
1428 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1429 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1430 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1431 |
memccpy(pData, pVersion, 2, 4); |
store16(&pData[0], pVersion->minor); |
1432 |
|
store16(&pData[2], pVersion->major); |
1433 |
|
store16(&pData[4], pVersion->build); |
1434 |
|
store16(&pData[6], pVersion->release); |
1435 |
} |
} |
1436 |
|
|
1437 |
// update 'colh' chunk |
// update 'colh' chunk |
1439 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1440 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1441 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1442 |
memccpy(pData, &Instruments, 1, 4); |
store32(pData, Instruments); |
1443 |
|
|
1444 |
// update instrument's chunks |
// update instrument's chunks |
1445 |
if (pInstruments) { |
if (pInstruments) { |
1459 |
ptbl->Resize(iPtblSize); |
ptbl->Resize(iPtblSize); |
1460 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1461 |
WavePoolCount = iSamples; |
WavePoolCount = iSamples; |
1462 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
store32(&pData[4], WavePoolCount); |
1463 |
// 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() |
1464 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1465 |
|
|
1548 |
unsigned long ulOriginalPos = ptbl->GetPos(); |
unsigned long ulOriginalPos = ptbl->GetPos(); |
1549 |
// update headers |
// update headers |
1550 |
ptbl->SetPos(0); |
ptbl->SetPos(0); |
1551 |
ptbl->WriteUint32(&WavePoolHeaderSize); |
uint32_t tmp = WavePoolHeaderSize; |
1552 |
ptbl->WriteUint32(&WavePoolCount); |
ptbl->WriteUint32(&tmp); |
1553 |
|
tmp = WavePoolCount; |
1554 |
|
ptbl->WriteUint32(&tmp); |
1555 |
// update offsets |
// update offsets |
1556 |
ptbl->SetPos(WavePoolHeaderSize); |
ptbl->SetPos(WavePoolHeaderSize); |
1557 |
if (b64BitWavePoolOffsets) { |
if (b64BitWavePoolOffsets) { |
1558 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1559 |
ptbl->WriteUint32(&pWavePoolTableHi[i]); |
tmp = pWavePoolTableHi[i]; |
1560 |
ptbl->WriteUint32(&pWavePoolTable[i]); |
ptbl->WriteUint32(&tmp); |
1561 |
|
tmp = pWavePoolTable[i]; |
1562 |
|
ptbl->WriteUint32(&tmp); |
1563 |
} |
} |
1564 |
} else { // conventional 32 bit offsets |
} else { // conventional 32 bit offsets |
1565 |
for (int i = 0 ; i < WavePoolCount ; i++) |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1566 |
ptbl->WriteUint32(&pWavePoolTable[i]); |
tmp = pWavePoolTable[i]; |
1567 |
|
ptbl->WriteUint32(&tmp); |
1568 |
|
} |
1569 |
} |
} |
1570 |
// restore 'ptbl' chunk's original read/write position |
// restore 'ptbl' chunk's original read/write position |
1571 |
ptbl->SetPos(ulOriginalPos); |
ptbl->SetPos(ulOriginalPos); |