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/*************************************************************************** |
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* * |
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* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
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* Copyright (C) 2003-2019 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
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* * |
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* This library is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This library is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this library; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include "DLS.h" |
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|
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#include <algorithm> |
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#include <vector> |
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#include <time.h> |
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|
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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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|
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#include "helper.h" |
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|
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// macros to decode connection transforms |
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#define CONN_TRANSFORM_SRC(x) ((x >> 10) & 0x000F) |
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#define CONN_TRANSFORM_CTL(x) ((x >> 4) & 0x000F) |
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#define CONN_TRANSFORM_DST(x) (x & 0x000F) |
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#define CONN_TRANSFORM_BIPOLAR_SRC(x) (x & 0x4000) |
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#define CONN_TRANSFORM_BIPOLAR_CTL(x) (x & 0x0100) |
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#define CONN_TRANSFORM_INVERT_SRC(x) (x & 0x8000) |
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#define CONN_TRANSFORM_INVERT_CTL(x) (x & 0x0200) |
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|
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// macros to encode connection transforms |
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#define CONN_TRANSFORM_SRC_ENCODE(x) ((x & 0x000F) << 10) |
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#define CONN_TRANSFORM_CTL_ENCODE(x) ((x & 0x000F) << 4) |
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#define CONN_TRANSFORM_DST_ENCODE(x) (x & 0x000F) |
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#define CONN_TRANSFORM_BIPOLAR_SRC_ENCODE(x) ((x) ? 0x4000 : 0) |
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#define CONN_TRANSFORM_BIPOLAR_CTL_ENCODE(x) ((x) ? 0x0100 : 0) |
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#define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0) |
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#define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0) |
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|
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#define DRUM_TYPE_MASK 0x80000000 |
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|
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#define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001 |
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|
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#define F_WAVELINK_PHASE_MASTER 0x0001 |
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#define F_WAVELINK_MULTICHANNEL 0x0002 |
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|
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#define F_WSMP_NO_TRUNCATION 0x0001 |
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#define F_WSMP_NO_COMPRESSION 0x0002 |
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|
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#define MIDI_BANK_COARSE(x) ((x & 0x00007F00) >> 8) // CC0 |
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#define MIDI_BANK_FINE(x) (x & 0x0000007F) // CC32 |
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#define MIDI_BANK_MERGE(coarse, fine) ((((uint16_t) coarse) << 7) | fine) // CC0 + CC32 |
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#define MIDI_BANK_ENCODE(coarse, fine) (((coarse & 0x0000007F) << 8) | (fine & 0x0000007F)) |
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|
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namespace DLS { |
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|
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// *************** Connection *************** |
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// * |
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|
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void Connection::Init(conn_block_t* Header) { |
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Source = (conn_src_t) Header->source; |
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Control = (conn_src_t) Header->control; |
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Destination = (conn_dst_t) Header->destination; |
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Scale = Header->scale; |
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SourceTransform = (conn_trn_t) CONN_TRANSFORM_SRC(Header->transform); |
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ControlTransform = (conn_trn_t) CONN_TRANSFORM_CTL(Header->transform); |
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DestinationTransform = (conn_trn_t) CONN_TRANSFORM_DST(Header->transform); |
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SourceInvert = CONN_TRANSFORM_INVERT_SRC(Header->transform); |
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SourceBipolar = CONN_TRANSFORM_BIPOLAR_SRC(Header->transform); |
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ControlInvert = CONN_TRANSFORM_INVERT_CTL(Header->transform); |
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ControlBipolar = CONN_TRANSFORM_BIPOLAR_CTL(Header->transform); |
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} |
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|
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Connection::conn_block_t Connection::ToConnBlock() { |
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conn_block_t c; |
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c.source = Source; |
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c.control = Control; |
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c.destination = Destination; |
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c.scale = Scale; |
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c.transform = CONN_TRANSFORM_SRC_ENCODE(SourceTransform) | |
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CONN_TRANSFORM_CTL_ENCODE(ControlTransform) | |
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CONN_TRANSFORM_DST_ENCODE(DestinationTransform) | |
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CONN_TRANSFORM_INVERT_SRC_ENCODE(SourceInvert) | |
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CONN_TRANSFORM_BIPOLAR_SRC_ENCODE(SourceBipolar) | |
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CONN_TRANSFORM_INVERT_CTL_ENCODE(ControlInvert) | |
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CONN_TRANSFORM_BIPOLAR_CTL_ENCODE(ControlBipolar); |
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return c; |
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} |
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|
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|
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|
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// *************** Articulation *************** |
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// * |
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|
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/** @brief Constructor. |
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* |
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* Expects an 'artl' or 'art2' chunk to be given where the articulation |
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* connections will be read from. |
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* |
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* @param artl - pointer to an 'artl' or 'art2' chunk |
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* @throws Exception if no 'artl' or 'art2' chunk was given |
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*/ |
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Articulation::Articulation(RIFF::Chunk* artl) { |
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pArticulationCk = artl; |
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if (artl->GetChunkID() != CHUNK_ID_ART2 && |
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artl->GetChunkID() != CHUNK_ID_ARTL) { |
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throw DLS::Exception("<artl-ck> or <art2-ck> chunk expected"); |
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} |
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|
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artl->SetPos(0); |
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|
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HeaderSize = artl->ReadUint32(); |
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Connections = artl->ReadUint32(); |
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artl->SetPos(HeaderSize); |
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|
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pConnections = new Connection[Connections]; |
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Connection::conn_block_t connblock; |
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for (uint32_t i = 0; i < Connections; i++) { |
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artl->Read(&connblock.source, 1, 2); |
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artl->Read(&connblock.control, 1, 2); |
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artl->Read(&connblock.destination, 1, 2); |
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artl->Read(&connblock.transform, 1, 2); |
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artl->Read(&connblock.scale, 1, 4); |
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pConnections[i].Init(&connblock); |
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} |
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} |
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|
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Articulation::~Articulation() { |
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if (pConnections) delete[] pConnections; |
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} |
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|
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/** |
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* Apply articulation connections to the respective RIFF chunks. You |
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* have to call File::Save() to make changes persistent. |
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* |
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* @param pProgress - callback function for progress notification |
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*/ |
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void Articulation::UpdateChunks(progress_t* pProgress) { |
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const int iEntrySize = 12; // 12 bytes per connection block |
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pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
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uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
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store16(&pData[0], HeaderSize); |
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store16(&pData[2], Connections); |
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for (uint32_t i = 0; i < Connections; i++) { |
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Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
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store16(&pData[HeaderSize + i * iEntrySize], c.source); |
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store16(&pData[HeaderSize + i * iEntrySize + 2], c.control); |
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store16(&pData[HeaderSize + i * iEntrySize + 4], c.destination); |
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store16(&pData[HeaderSize + i * iEntrySize + 6], c.transform); |
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store32(&pData[HeaderSize + i * iEntrySize + 8], c.scale); |
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} |
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} |
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|
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/** @brief Remove all RIFF chunks associated with this Articulation object. |
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* |
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* At the moment Articulation::DeleteChunks() does nothing. It is |
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* recommended to call this method explicitly though from deriving classes's |
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* own overridden implementation of this method to avoid potential future |
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* compatiblity issues. |
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* |
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* See Storage::DeleteChunks() for details. |
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*/ |
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void Articulation::DeleteChunks() { |
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} |
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|
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|
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|
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// *************** Articulator *************** |
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// * |
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|
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Articulator::Articulator(RIFF::List* ParentList) { |
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pParentList = ParentList; |
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pArticulations = NULL; |
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} |
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|
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Articulation* Articulator::GetFirstArticulation() { |
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if (!pArticulations) LoadArticulations(); |
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if (!pArticulations) return NULL; |
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ArticulationsIterator = pArticulations->begin(); |
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return (ArticulationsIterator != pArticulations->end()) ? *ArticulationsIterator : NULL; |
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} |
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|
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Articulation* Articulator::GetNextArticulation() { |
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if (!pArticulations) return NULL; |
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ArticulationsIterator++; |
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return (ArticulationsIterator != pArticulations->end()) ? *ArticulationsIterator : NULL; |
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} |
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|
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void Articulator::LoadArticulations() { |
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// prefer articulation level 2 |
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RIFF::List* lart = pParentList->GetSubList(LIST_TYPE_LAR2); |
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if (!lart) lart = pParentList->GetSubList(LIST_TYPE_LART); |
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if (lart) { |
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uint32_t artCkType = (lart->GetListType() == LIST_TYPE_LAR2) ? CHUNK_ID_ART2 |
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: CHUNK_ID_ARTL; |
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RIFF::Chunk* art = lart->GetFirstSubChunk(); |
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while (art) { |
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if (art->GetChunkID() == artCkType) { |
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if (!pArticulations) pArticulations = new ArticulationList; |
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pArticulations->push_back(new Articulation(art)); |
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} |
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art = lart->GetNextSubChunk(); |
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} |
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} |
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} |
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|
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Articulator::~Articulator() { |
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if (pArticulations) { |
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ArticulationList::iterator iter = pArticulations->begin(); |
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ArticulationList::iterator end = pArticulations->end(); |
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while (iter != end) { |
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delete *iter; |
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iter++; |
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} |
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delete pArticulations; |
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} |
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} |
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|
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/** |
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* Apply all articulations to the respective RIFF chunks. You have to |
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* call File::Save() to make changes persistent. |
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* |
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* @param pProgress - callback function for progress notification |
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*/ |
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void Articulator::UpdateChunks(progress_t* pProgress) { |
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if (pArticulations) { |
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ArticulationList::iterator iter = pArticulations->begin(); |
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ArticulationList::iterator end = pArticulations->end(); |
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for (; iter != end; ++iter) { |
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(*iter)->UpdateChunks(pProgress); |
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} |
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} |
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} |
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|
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/** @brief Remove all RIFF chunks associated with this Articulator object. |
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* |
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* See Storage::DeleteChunks() for details. |
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*/ |
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void Articulator::DeleteChunks() { |
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if (pArticulations) { |
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ArticulationList::iterator iter = pArticulations->begin(); |
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ArticulationList::iterator end = pArticulations->end(); |
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for (; iter != end; ++iter) { |
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(*iter)->DeleteChunks(); |
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} |
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} |
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} |
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|
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/** |
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* Not yet implemented in this version, since the .gig format does |
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* not need to copy DLS articulators and so far nobody used pure |
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* DLS instrument AFAIK. |
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*/ |
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void Articulator::CopyAssign(const Articulator* orig) { |
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//TODO: implement deep copy assignment for this class |
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} |
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|
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|
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|
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// *************** Info *************** |
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// * |
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|
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/** @brief Constructor. |
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* |
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* 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 an INFO list chunk |
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*/ |
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Info::Info(RIFF::List* list) { |
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pFixedStringLengths = NULL; |
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pResourceListChunk = list; |
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if (list) { |
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RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
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if (lstINFO) { |
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LoadString(CHUNK_ID_INAM, lstINFO, Name); |
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LoadString(CHUNK_ID_IARL, lstINFO, ArchivalLocation); |
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LoadString(CHUNK_ID_ICRD, lstINFO, CreationDate); |
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LoadString(CHUNK_ID_ICMT, lstINFO, Comments); |
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LoadString(CHUNK_ID_IPRD, lstINFO, Product); |
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LoadString(CHUNK_ID_ICOP, lstINFO, Copyright); |
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LoadString(CHUNK_ID_IART, lstINFO, Artists); |
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LoadString(CHUNK_ID_IGNR, lstINFO, Genre); |
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LoadString(CHUNK_ID_IKEY, lstINFO, Keywords); |
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LoadString(CHUNK_ID_IENG, lstINFO, Engineer); |
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LoadString(CHUNK_ID_ITCH, lstINFO, Technician); |
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LoadString(CHUNK_ID_ISFT, lstINFO, Software); |
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LoadString(CHUNK_ID_IMED, lstINFO, Medium); |
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LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
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LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
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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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Info::~Info() { |
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} |
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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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|
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/** @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 |
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* list chunk \a lstINFO and save value to \a s. |
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*/ |
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void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
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RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
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::LoadString(ck, s); // function from helper.h |
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} |
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|
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/** @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 |
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* 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 |
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* and either \a s or \a sDefault is not an empty string, such a chunk |
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* 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 |
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* @param lstINFO - parent (INFO) RIFF list chunk |
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* @param s - current value of info field |
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* @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) { |
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int size = 0; |
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if (pFixedStringLengths) { |
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for (int i = 0 ; pFixedStringLengths[i].length ; i++) { |
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if (pFixedStringLengths[i].chunkId == ChunkID) { |
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size = pFixedStringLengths[i].length; |
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break; |
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} |
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} |
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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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|
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/** @brief Update chunks with current info values. |
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* |
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* Apply current INFO field values to the respective INFO chunks. You |
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* have to call File::Save() to make changes persistent. |
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* |
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* @param pProgress - callback function for progress notification |
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*/ |
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void Info::UpdateChunks(progress_t* pProgress) { |
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if (!pResourceListChunk) return; |
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|
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// make sure INFO list chunk exists |
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RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO); |
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|
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String defaultName = ""; |
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String defaultCreationDate = ""; |
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String defaultSoftware = ""; |
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String defaultComments = ""; |
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|
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uint32_t resourceType = pResourceListChunk->GetListType(); |
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|
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if (!lstINFO) { |
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lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
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|
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// assemble default values |
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defaultName = "NONAME"; |
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|
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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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|
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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(); |
408 |
} |
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} |
410 |
|
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// save values |
412 |
|
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SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
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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); |
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SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
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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("")); |
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SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String("")); |
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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("")); |
426 |
SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware); |
427 |
SaveString(CHUNK_ID_ISRC, lstINFO, Source, String("")); |
428 |
SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String("")); |
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SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String("")); |
430 |
} |
431 |
|
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/** @brief Remove all RIFF chunks associated with this Info object. |
433 |
* |
434 |
* At the moment Info::DeleteChunks() does nothing. It is |
435 |
* recommended to call this method explicitly though from deriving classes's |
436 |
* own overridden implementation of this method to avoid potential future |
437 |
* compatiblity issues. |
438 |
* |
439 |
* See Storage::DeleteChunks() for details. |
440 |
*/ |
441 |
void Info::DeleteChunks() { |
442 |
} |
443 |
|
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/** |
445 |
* Make a deep copy of the Info object given by @a orig and assign it to |
446 |
* this object. |
447 |
* |
448 |
* @param orig - original Info object to be copied from |
449 |
*/ |
450 |
void Info::CopyAssign(const Info* orig) { |
451 |
Name = orig->Name; |
452 |
ArchivalLocation = orig->ArchivalLocation; |
453 |
CreationDate = orig->CreationDate; |
454 |
Comments = orig->Comments; |
455 |
Product = orig->Product; |
456 |
Copyright = orig->Copyright; |
457 |
Artists = orig->Artists; |
458 |
Genre = orig->Genre; |
459 |
Keywords = orig->Keywords; |
460 |
Engineer = orig->Engineer; |
461 |
Technician = orig->Technician; |
462 |
Software = orig->Software; |
463 |
Medium = orig->Medium; |
464 |
Source = orig->Source; |
465 |
SourceForm = orig->SourceForm; |
466 |
Commissioned = orig->Commissioned; |
467 |
Subject = orig->Subject; |
468 |
//FIXME: hmm, is copying this pointer a good idea? |
469 |
pFixedStringLengths = orig->pFixedStringLengths; |
470 |
} |
471 |
|
472 |
|
473 |
|
474 |
// *************** Resource *************** |
475 |
// * |
476 |
|
477 |
/** @brief Constructor. |
478 |
* |
479 |
* Initializes the 'Resource' object with values provided by a given |
480 |
* INFO list chunk and a DLID chunk (the latter optional). |
481 |
* |
482 |
* @param Parent - pointer to parent 'Resource', NULL if this is |
483 |
* the toplevel 'Resource' object |
484 |
* @param lstResource - pointer to an INFO list chunk |
485 |
*/ |
486 |
Resource::Resource(Resource* Parent, RIFF::List* lstResource) { |
487 |
pParent = Parent; |
488 |
pResourceList = lstResource; |
489 |
|
490 |
pInfo = new Info(lstResource); |
491 |
|
492 |
RIFF::Chunk* ckDLSID = lstResource->GetSubChunk(CHUNK_ID_DLID); |
493 |
if (ckDLSID) { |
494 |
ckDLSID->SetPos(0); |
495 |
|
496 |
pDLSID = new dlsid_t; |
497 |
ckDLSID->Read(&pDLSID->ulData1, 1, 4); |
498 |
ckDLSID->Read(&pDLSID->usData2, 1, 2); |
499 |
ckDLSID->Read(&pDLSID->usData3, 1, 2); |
500 |
ckDLSID->Read(pDLSID->abData, 8, 1); |
501 |
} |
502 |
else pDLSID = NULL; |
503 |
} |
504 |
|
505 |
Resource::~Resource() { |
506 |
if (pDLSID) delete pDLSID; |
507 |
if (pInfo) delete pInfo; |
508 |
} |
509 |
|
510 |
/** @brief Remove all RIFF chunks associated with this Resource object. |
511 |
* |
512 |
* At the moment Resource::DeleteChunks() does nothing. It is recommended |
513 |
* to call this method explicitly though from deriving classes's own |
514 |
* overridden implementation of this method to avoid potential future |
515 |
* compatiblity issues. |
516 |
* |
517 |
* See Storage::DeleteChunks() for details. |
518 |
*/ |
519 |
void Resource::DeleteChunks() { |
520 |
} |
521 |
|
522 |
/** @brief Update chunks with current Resource data. |
523 |
* |
524 |
* Apply Resource data persistently below the previously given resource |
525 |
* list chunk. This will currently only include the INFO data. The DLSID |
526 |
* will not be applied at the moment (yet). |
527 |
* |
528 |
* You have to call File::Save() to make changes persistent. |
529 |
* |
530 |
* @param pProgress - callback function for progress notification |
531 |
*/ |
532 |
void Resource::UpdateChunks(progress_t* pProgress) { |
533 |
pInfo->UpdateChunks(pProgress); |
534 |
|
535 |
if (pDLSID) { |
536 |
// make sure 'dlid' chunk exists |
537 |
RIFF::Chunk* ckDLSID = pResourceList->GetSubChunk(CHUNK_ID_DLID); |
538 |
if (!ckDLSID) ckDLSID = pResourceList->AddSubChunk(CHUNK_ID_DLID, 16); |
539 |
uint8_t* pData = (uint8_t*)ckDLSID->LoadChunkData(); |
540 |
// update 'dlid' chunk |
541 |
store32(&pData[0], pDLSID->ulData1); |
542 |
store16(&pData[4], pDLSID->usData2); |
543 |
store16(&pData[6], pDLSID->usData3); |
544 |
memcpy(&pData[8], pDLSID->abData, 8); |
545 |
} |
546 |
} |
547 |
|
548 |
/** |
549 |
* Generates a new DLSID for the resource. |
550 |
*/ |
551 |
void Resource::GenerateDLSID() { |
552 |
#if defined(WIN32) || defined(__APPLE__) || defined(HAVE_UUID_GENERATE) |
553 |
if (!pDLSID) pDLSID = new dlsid_t; |
554 |
GenerateDLSID(pDLSID); |
555 |
#endif |
556 |
} |
557 |
|
558 |
void Resource::GenerateDLSID(dlsid_t* pDLSID) { |
559 |
#if defined(WIN32) || defined(__APPLE__) || defined(HAVE_UUID_GENERATE) |
560 |
#ifdef WIN32 |
561 |
UUID uuid; |
562 |
UuidCreate(&uuid); |
563 |
pDLSID->ulData1 = uuid.Data1; |
564 |
pDLSID->usData2 = uuid.Data2; |
565 |
pDLSID->usData3 = uuid.Data3; |
566 |
memcpy(pDLSID->abData, uuid.Data4, 8); |
567 |
|
568 |
#elif defined(__APPLE__) |
569 |
|
570 |
CFUUIDRef uuidRef = CFUUIDCreate(NULL); |
571 |
CFUUIDBytes uuid = CFUUIDGetUUIDBytes(uuidRef); |
572 |
CFRelease(uuidRef); |
573 |
pDLSID->ulData1 = uuid.byte0 | uuid.byte1 << 8 | uuid.byte2 << 16 | uuid.byte3 << 24; |
574 |
pDLSID->usData2 = uuid.byte4 | uuid.byte5 << 8; |
575 |
pDLSID->usData3 = uuid.byte6 | uuid.byte7 << 8; |
576 |
pDLSID->abData[0] = uuid.byte8; |
577 |
pDLSID->abData[1] = uuid.byte9; |
578 |
pDLSID->abData[2] = uuid.byte10; |
579 |
pDLSID->abData[3] = uuid.byte11; |
580 |
pDLSID->abData[4] = uuid.byte12; |
581 |
pDLSID->abData[5] = uuid.byte13; |
582 |
pDLSID->abData[6] = uuid.byte14; |
583 |
pDLSID->abData[7] = uuid.byte15; |
584 |
#else |
585 |
uuid_t uuid; |
586 |
uuid_generate(uuid); |
587 |
pDLSID->ulData1 = uuid[0] | uuid[1] << 8 | uuid[2] << 16 | uuid[3] << 24; |
588 |
pDLSID->usData2 = uuid[4] | uuid[5] << 8; |
589 |
pDLSID->usData3 = uuid[6] | uuid[7] << 8; |
590 |
memcpy(pDLSID->abData, &uuid[8], 8); |
591 |
#endif |
592 |
#endif |
593 |
} |
594 |
|
595 |
/** |
596 |
* Make a deep copy of the Resource object given by @a orig and assign it |
597 |
* to this object. |
598 |
* |
599 |
* @param orig - original Resource object to be copied from |
600 |
*/ |
601 |
void Resource::CopyAssign(const Resource* orig) { |
602 |
pInfo->CopyAssign(orig->pInfo); |
603 |
} |
604 |
|
605 |
|
606 |
// *************** Sampler *************** |
607 |
// * |
608 |
|
609 |
Sampler::Sampler(RIFF::List* ParentList) { |
610 |
pParentList = ParentList; |
611 |
RIFF::Chunk* wsmp = ParentList->GetSubChunk(CHUNK_ID_WSMP); |
612 |
if (wsmp) { |
613 |
wsmp->SetPos(0); |
614 |
|
615 |
uiHeaderSize = wsmp->ReadUint32(); |
616 |
UnityNote = wsmp->ReadUint16(); |
617 |
FineTune = wsmp->ReadInt16(); |
618 |
Gain = wsmp->ReadInt32(); |
619 |
SamplerOptions = wsmp->ReadUint32(); |
620 |
SampleLoops = wsmp->ReadUint32(); |
621 |
} else { // 'wsmp' chunk missing |
622 |
uiHeaderSize = 20; |
623 |
UnityNote = 60; |
624 |
FineTune = 0; // +- 0 cents |
625 |
Gain = 0; // 0 dB |
626 |
SamplerOptions = F_WSMP_NO_COMPRESSION; |
627 |
SampleLoops = 0; |
628 |
} |
629 |
NoSampleDepthTruncation = SamplerOptions & F_WSMP_NO_TRUNCATION; |
630 |
NoSampleCompression = SamplerOptions & F_WSMP_NO_COMPRESSION; |
631 |
pSampleLoops = (SampleLoops) ? new sample_loop_t[SampleLoops] : NULL; |
632 |
if (SampleLoops) { |
633 |
wsmp->SetPos(uiHeaderSize); |
634 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
635 |
wsmp->Read(pSampleLoops + i, 4, 4); |
636 |
if (pSampleLoops[i].Size > sizeof(sample_loop_t)) { // if loop struct was extended |
637 |
wsmp->SetPos(pSampleLoops[i].Size - sizeof(sample_loop_t), RIFF::stream_curpos); |
638 |
} |
639 |
} |
640 |
} |
641 |
} |
642 |
|
643 |
Sampler::~Sampler() { |
644 |
if (pSampleLoops) delete[] pSampleLoops; |
645 |
} |
646 |
|
647 |
void Sampler::SetGain(int32_t gain) { |
648 |
Gain = gain; |
649 |
} |
650 |
|
651 |
/** |
652 |
* Apply all sample player options to the respective RIFF chunk. You |
653 |
* have to call File::Save() to make changes persistent. |
654 |
* |
655 |
* @param pProgress - callback function for progress notification |
656 |
*/ |
657 |
void Sampler::UpdateChunks(progress_t* pProgress) { |
658 |
// make sure 'wsmp' chunk exists |
659 |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
660 |
int wsmpSize = uiHeaderSize + SampleLoops * 16; |
661 |
if (!wsmp) { |
662 |
wsmp = pParentList->AddSubChunk(CHUNK_ID_WSMP, wsmpSize); |
663 |
} else if (wsmp->GetSize() != wsmpSize) { |
664 |
wsmp->Resize(wsmpSize); |
665 |
} |
666 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
667 |
// update headers size |
668 |
store32(&pData[0], uiHeaderSize); |
669 |
// update respective sampler options bits |
670 |
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
671 |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
672 |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
673 |
: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
674 |
store16(&pData[4], UnityNote); |
675 |
store16(&pData[6], FineTune); |
676 |
store32(&pData[8], Gain); |
677 |
store32(&pData[12], SamplerOptions); |
678 |
store32(&pData[16], SampleLoops); |
679 |
// update loop definitions |
680 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
681 |
//FIXME: this does not handle extended loop structs correctly |
682 |
store32(&pData[uiHeaderSize + i * 16], pSampleLoops[i].Size); |
683 |
store32(&pData[uiHeaderSize + i * 16 + 4], pSampleLoops[i].LoopType); |
684 |
store32(&pData[uiHeaderSize + i * 16 + 8], pSampleLoops[i].LoopStart); |
685 |
store32(&pData[uiHeaderSize + i * 16 + 12], pSampleLoops[i].LoopLength); |
686 |
} |
687 |
} |
688 |
|
689 |
/** @brief Remove all RIFF chunks associated with this Sampler object. |
690 |
* |
691 |
* At the moment Sampler::DeleteChunks() does nothing. It is |
692 |
* recommended to call this method explicitly though from deriving classes's |
693 |
* own overridden implementation of this method to avoid potential future |
694 |
* compatiblity issues. |
695 |
* |
696 |
* See Storage::DeleteChunks() for details. |
697 |
*/ |
698 |
void Sampler::DeleteChunks() { |
699 |
} |
700 |
|
701 |
/** |
702 |
* Adds a new sample loop with the provided loop definition. |
703 |
* |
704 |
* @param pLoopDef - points to a loop definition that is to be copied |
705 |
*/ |
706 |
void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) { |
707 |
sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1]; |
708 |
// copy old loops array |
709 |
for (int i = 0; i < SampleLoops; i++) { |
710 |
pNewLoops[i] = pSampleLoops[i]; |
711 |
} |
712 |
// add the new loop |
713 |
pNewLoops[SampleLoops] = *pLoopDef; |
714 |
// auto correct size field |
715 |
pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t); |
716 |
// free the old array and update the member variables |
717 |
if (SampleLoops) delete[] pSampleLoops; |
718 |
pSampleLoops = pNewLoops; |
719 |
SampleLoops++; |
720 |
} |
721 |
|
722 |
/** |
723 |
* Deletes an existing sample loop. |
724 |
* |
725 |
* @param pLoopDef - pointer to existing loop definition |
726 |
* @throws Exception - if given loop definition does not exist |
727 |
*/ |
728 |
void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) { |
729 |
sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1]; |
730 |
// copy old loops array (skipping given loop) |
731 |
for (int i = 0, o = 0; i < SampleLoops; i++) { |
732 |
if (&pSampleLoops[i] == pLoopDef) continue; |
733 |
if (o == SampleLoops - 1) { |
734 |
delete[] pNewLoops; |
735 |
throw Exception("Could not delete Sample Loop, because it does not exist"); |
736 |
} |
737 |
pNewLoops[o] = pSampleLoops[i]; |
738 |
o++; |
739 |
} |
740 |
// free the old array and update the member variables |
741 |
if (SampleLoops) delete[] pSampleLoops; |
742 |
pSampleLoops = pNewLoops; |
743 |
SampleLoops--; |
744 |
} |
745 |
|
746 |
/** |
747 |
* Make a deep copy of the Sampler object given by @a orig and assign it |
748 |
* to this object. |
749 |
* |
750 |
* @param orig - original Sampler object to be copied from |
751 |
*/ |
752 |
void Sampler::CopyAssign(const Sampler* orig) { |
753 |
// copy trivial scalars |
754 |
UnityNote = orig->UnityNote; |
755 |
FineTune = orig->FineTune; |
756 |
Gain = orig->Gain; |
757 |
NoSampleDepthTruncation = orig->NoSampleDepthTruncation; |
758 |
NoSampleCompression = orig->NoSampleCompression; |
759 |
SamplerOptions = orig->SamplerOptions; |
760 |
|
761 |
// copy sample loops |
762 |
if (SampleLoops) delete[] pSampleLoops; |
763 |
pSampleLoops = new sample_loop_t[orig->SampleLoops]; |
764 |
memcpy(pSampleLoops, orig->pSampleLoops, orig->SampleLoops * sizeof(sample_loop_t)); |
765 |
SampleLoops = orig->SampleLoops; |
766 |
} |
767 |
|
768 |
|
769 |
// *************** Sample *************** |
770 |
// * |
771 |
|
772 |
/** @brief Constructor. |
773 |
* |
774 |
* Load an existing sample or create a new one. A 'wave' list chunk must |
775 |
* be given to this constructor. In case the given 'wave' list chunk |
776 |
* contains a 'fmt' and 'data' chunk, the format and sample data will be |
777 |
* loaded from there, otherwise default values will be used and those |
778 |
* chunks will be created when File::Save() will be called later on. |
779 |
* |
780 |
* @param pFile - pointer to DLS::File where this sample is |
781 |
* located (or will be located) |
782 |
* @param waveList - pointer to 'wave' list chunk which is (or |
783 |
* will be) associated with this sample |
784 |
* @param WavePoolOffset - offset of this sample data from wave pool |
785 |
* ('wvpl') list chunk |
786 |
*/ |
787 |
Sample::Sample(File* pFile, RIFF::List* waveList, file_offset_t WavePoolOffset) : Resource(pFile, waveList) { |
788 |
pWaveList = waveList; |
789 |
ullWavePoolOffset = WavePoolOffset - LIST_HEADER_SIZE(waveList->GetFile()->GetFileOffsetSize()); |
790 |
pCkFormat = waveList->GetSubChunk(CHUNK_ID_FMT); |
791 |
pCkData = waveList->GetSubChunk(CHUNK_ID_DATA); |
792 |
if (pCkFormat) { |
793 |
pCkFormat->SetPos(0); |
794 |
|
795 |
// common fields |
796 |
FormatTag = pCkFormat->ReadUint16(); |
797 |
Channels = pCkFormat->ReadUint16(); |
798 |
SamplesPerSecond = pCkFormat->ReadUint32(); |
799 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
800 |
BlockAlign = pCkFormat->ReadUint16(); |
801 |
// PCM format specific |
802 |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
803 |
BitDepth = pCkFormat->ReadUint16(); |
804 |
FrameSize = (BitDepth / 8) * Channels; |
805 |
} else { // unsupported sample data format |
806 |
BitDepth = 0; |
807 |
FrameSize = 0; |
808 |
} |
809 |
} else { // 'fmt' chunk missing |
810 |
FormatTag = DLS_WAVE_FORMAT_PCM; |
811 |
BitDepth = 16; |
812 |
Channels = 1; |
813 |
SamplesPerSecond = 44100; |
814 |
AverageBytesPerSecond = (BitDepth / 8) * SamplesPerSecond * Channels; |
815 |
FrameSize = (BitDepth / 8) * Channels; |
816 |
BlockAlign = FrameSize; |
817 |
} |
818 |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
819 |
: 0 |
820 |
: 0; |
821 |
} |
822 |
|
823 |
/** @brief Destructor. |
824 |
* |
825 |
* Frees all memory occupied by this sample. |
826 |
*/ |
827 |
Sample::~Sample() { |
828 |
if (pCkData) |
829 |
pCkData->ReleaseChunkData(); |
830 |
if (pCkFormat) |
831 |
pCkFormat->ReleaseChunkData(); |
832 |
} |
833 |
|
834 |
/** @brief Remove all RIFF chunks associated with this Sample object. |
835 |
* |
836 |
* See Storage::DeleteChunks() for details. |
837 |
*/ |
838 |
void Sample::DeleteChunks() { |
839 |
// handle base class |
840 |
Resource::DeleteChunks(); |
841 |
|
842 |
// handle own RIFF chunks |
843 |
if (pWaveList) { |
844 |
RIFF::List* pParent = pWaveList->GetParent(); |
845 |
pParent->DeleteSubChunk(pWaveList); |
846 |
pWaveList = NULL; |
847 |
} |
848 |
} |
849 |
|
850 |
/** |
851 |
* Make a deep copy of the Sample object given by @a orig (without the |
852 |
* actual sample waveform data however) and assign it to this object. |
853 |
* |
854 |
* This is a special internal variant of CopyAssign() which only copies the |
855 |
* most mandatory member variables. It will be called by gig::Sample |
856 |
* descendent instead of CopyAssign() since gig::Sample has its own |
857 |
* implementation to access and copy the actual sample waveform data. |
858 |
* |
859 |
* @param orig - original Sample object to be copied from |
860 |
*/ |
861 |
void Sample::CopyAssignCore(const Sample* orig) { |
862 |
// handle base classes |
863 |
Resource::CopyAssign(orig); |
864 |
// handle actual own attributes of this class |
865 |
FormatTag = orig->FormatTag; |
866 |
Channels = orig->Channels; |
867 |
SamplesPerSecond = orig->SamplesPerSecond; |
868 |
AverageBytesPerSecond = orig->AverageBytesPerSecond; |
869 |
BlockAlign = orig->BlockAlign; |
870 |
BitDepth = orig->BitDepth; |
871 |
SamplesTotal = orig->SamplesTotal; |
872 |
FrameSize = orig->FrameSize; |
873 |
} |
874 |
|
875 |
/** |
876 |
* Make a deep copy of the Sample object given by @a orig and assign it to |
877 |
* this object. |
878 |
* |
879 |
* @param orig - original Sample object to be copied from |
880 |
*/ |
881 |
void Sample::CopyAssign(const Sample* orig) { |
882 |
CopyAssignCore(orig); |
883 |
|
884 |
// copy sample waveform data (reading directly from disc) |
885 |
Resize(orig->GetSize()); |
886 |
char* buf = (char*) LoadSampleData(); |
887 |
Sample* pOrig = (Sample*) orig; //HACK: circumventing the constness here for now |
888 |
const file_offset_t restorePos = pOrig->pCkData->GetPos(); |
889 |
pOrig->SetPos(0); |
890 |
for (file_offset_t todo = pOrig->GetSize(), i = 0; todo; ) { |
891 |
const int iReadAtOnce = 64*1024; |
892 |
file_offset_t n = (iReadAtOnce < todo) ? iReadAtOnce : todo; |
893 |
n = pOrig->Read(&buf[i], n); |
894 |
if (!n) break; |
895 |
todo -= n; |
896 |
i += (n * pOrig->FrameSize); |
897 |
} |
898 |
pOrig->pCkData->SetPos(restorePos); |
899 |
} |
900 |
|
901 |
/** @brief Load sample data into RAM. |
902 |
* |
903 |
* In case the respective 'data' chunk exists, the sample data will be |
904 |
* loaded into RAM (if not done already) and a pointer to the data in |
905 |
* RAM will be returned. If this is a new sample, you have to call |
906 |
* Resize() with the desired sample size to create the mandatory RIFF |
907 |
* chunk for the sample wave data. |
908 |
* |
909 |
* You can call LoadChunkData() again if you previously scheduled to |
910 |
* enlarge the sample data RIFF chunk with a Resize() call. In that case |
911 |
* the buffer will be enlarged to the new, scheduled size and you can |
912 |
* already place the sample wave data to the buffer and finally call |
913 |
* File::Save() to enlarge the sample data's chunk physically and write |
914 |
* the new sample wave data in one rush. This approach is definitely |
915 |
* recommended if you have to enlarge and write new sample data to a lot |
916 |
* of samples. |
917 |
* |
918 |
* <b>Caution:</b> the buffer pointer will be invalidated once |
919 |
* File::Save() was called. You have to call LoadChunkData() again to |
920 |
* get a new, valid pointer whenever File::Save() was called. |
921 |
* |
922 |
* @returns pointer to sample data in RAM, NULL in case respective |
923 |
* 'data' chunk does not exist (yet) |
924 |
* @throws Exception if data buffer could not be enlarged |
925 |
* @see Resize(), File::Save() |
926 |
*/ |
927 |
void* Sample::LoadSampleData() { |
928 |
return (pCkData) ? pCkData->LoadChunkData() : NULL; |
929 |
} |
930 |
|
931 |
/** @brief Free sample data from RAM. |
932 |
* |
933 |
* In case sample data was previously successfully loaded into RAM with |
934 |
* LoadSampleData(), this method will free the sample data from RAM. |
935 |
*/ |
936 |
void Sample::ReleaseSampleData() { |
937 |
if (pCkData) pCkData->ReleaseChunkData(); |
938 |
} |
939 |
|
940 |
/** @brief Returns sample size. |
941 |
* |
942 |
* Returns the sample wave form's data size (in sample points). This is |
943 |
* actually the current, physical size (converted to sample points) of |
944 |
* the RIFF chunk which encapsulates the sample's wave data. The |
945 |
* returned value is dependant to the current FrameSize value. |
946 |
* |
947 |
* @returns number of sample points or 0 if FormatTag != DLS_WAVE_FORMAT_PCM |
948 |
* @see FrameSize, FormatTag |
949 |
*/ |
950 |
file_offset_t Sample::GetSize() const { |
951 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
952 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
953 |
} |
954 |
|
955 |
/** @brief Resize sample. |
956 |
* |
957 |
* Resizes the sample's wave form data, that is the actual size of |
958 |
* sample wave data possible to be written for this sample. This call |
959 |
* will return immediately and just schedule the resize operation. You |
960 |
* should call File::Save() to actually perform the resize operation(s) |
961 |
* "physically" to the file. As this can take a while on large files, it |
962 |
* is recommended to call Resize() first on all samples which have to be |
963 |
* resized and finally to call File::Save() to perform all those resize |
964 |
* operations in one rush. |
965 |
* |
966 |
* The actual size (in bytes) is dependant to the current FrameSize |
967 |
* value. You may want to set FrameSize before calling Resize(). |
968 |
* |
969 |
* <b>Caution:</b> You cannot directly write to enlarged samples before |
970 |
* calling File::Save() as this might exceed the current sample's |
971 |
* boundary! |
972 |
* |
973 |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
974 |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
975 |
* other formats will fail! |
976 |
* |
977 |
* @param NewSize - new sample wave data size in sample points (must be |
978 |
* greater than zero) |
979 |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM |
980 |
* @throws Exception if \a NewSize is less than 1 or unrealistic large |
981 |
* @see File::Save(), FrameSize, FormatTag |
982 |
*/ |
983 |
void Sample::Resize(file_offset_t NewSize) { |
984 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) throw Exception("Sample's format is not DLS_WAVE_FORMAT_PCM"); |
985 |
if (NewSize < 1) throw Exception("Sample size must be at least one sample point"); |
986 |
if ((NewSize >> 48) != 0) |
987 |
throw Exception("Unrealistic high DLS sample size detected"); |
988 |
const file_offset_t sizeInBytes = NewSize * FrameSize; |
989 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
990 |
if (pCkData) pCkData->Resize(sizeInBytes); |
991 |
else pCkData = pWaveList->AddSubChunk(CHUNK_ID_DATA, sizeInBytes); |
992 |
} |
993 |
|
994 |
/** |
995 |
* Sets the position within the sample (in sample points, not in |
996 |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
997 |
* the sample into RAM, thus for disk streaming. |
998 |
* |
999 |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
1000 |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
1001 |
* with other formats will fail! |
1002 |
* |
1003 |
* @param SampleCount number of sample points |
1004 |
* @param Whence to which relation \a SampleCount refers to |
1005 |
* @returns new position within the sample, 0 if |
1006 |
* FormatTag != DLS_WAVE_FORMAT_PCM |
1007 |
* @throws Exception if no data RIFF chunk was created for the sample yet |
1008 |
* @see FrameSize, FormatTag |
1009 |
*/ |
1010 |
file_offset_t Sample::SetPos(file_offset_t SampleCount, RIFF::stream_whence_t Whence) { |
1011 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
1012 |
if (!pCkData) throw Exception("No data chunk created for sample yet, call Sample::Resize() to create one"); |
1013 |
file_offset_t orderedBytes = SampleCount * FrameSize; |
1014 |
file_offset_t result = pCkData->SetPos(orderedBytes, Whence); |
1015 |
return (result == orderedBytes) ? SampleCount |
1016 |
: result / FrameSize; |
1017 |
} |
1018 |
|
1019 |
/** |
1020 |
* Reads \a SampleCount number of sample points from the current |
1021 |
* position into the buffer pointed by \a pBuffer and increments the |
1022 |
* position within the sample. Use this method and <i>SetPos()</i> if you |
1023 |
* don't want to load the sample into RAM, thus for disk streaming. |
1024 |
* |
1025 |
* @param pBuffer destination buffer |
1026 |
* @param SampleCount number of sample points to read |
1027 |
*/ |
1028 |
file_offset_t Sample::Read(void* pBuffer, file_offset_t SampleCount) { |
1029 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
1030 |
return pCkData->Read(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
1031 |
} |
1032 |
|
1033 |
/** @brief Write sample wave data. |
1034 |
* |
1035 |
* Writes \a SampleCount number of sample points from the buffer pointed |
1036 |
* by \a pBuffer and increments the position within the sample. Use this |
1037 |
* method to directly write the sample data to disk, i.e. if you don't |
1038 |
* want or cannot load the whole sample data into RAM. |
1039 |
* |
1040 |
* You have to Resize() the sample to the desired size and call |
1041 |
* File::Save() <b>before</b> using Write(). |
1042 |
* |
1043 |
* @param pBuffer - source buffer |
1044 |
* @param SampleCount - number of sample points to write |
1045 |
* @throws Exception if current sample size is too small |
1046 |
* @see LoadSampleData() |
1047 |
*/ |
1048 |
file_offset_t Sample::Write(void* pBuffer, file_offset_t SampleCount) { |
1049 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
1050 |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1051 |
return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
1052 |
} |
1053 |
|
1054 |
/** |
1055 |
* Apply sample and its settings to the respective RIFF chunks. You have |
1056 |
* to call File::Save() to make changes persistent. |
1057 |
* |
1058 |
* @param pProgress - callback function for progress notification |
1059 |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
1060 |
* was provided yet |
1061 |
*/ |
1062 |
void Sample::UpdateChunks(progress_t* pProgress) { |
1063 |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
1064 |
throw Exception("Could not save sample, only PCM format is supported"); |
1065 |
// we refuse to do anything if not sample wave form was provided yet |
1066 |
if (!pCkData) |
1067 |
throw Exception("Could not save sample, there is no sample data to save"); |
1068 |
// update chunks of base class as well |
1069 |
Resource::UpdateChunks(pProgress); |
1070 |
// make sure 'fmt' chunk exists |
1071 |
RIFF::Chunk* pCkFormat = pWaveList->GetSubChunk(CHUNK_ID_FMT); |
1072 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
1073 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
1074 |
// update 'fmt' chunk |
1075 |
store16(&pData[0], FormatTag); |
1076 |
store16(&pData[2], Channels); |
1077 |
store32(&pData[4], SamplesPerSecond); |
1078 |
store32(&pData[8], AverageBytesPerSecond); |
1079 |
store16(&pData[12], BlockAlign); |
1080 |
store16(&pData[14], BitDepth); // assuming PCM format |
1081 |
} |
1082 |
|
1083 |
|
1084 |
|
1085 |
// *************** Region *************** |
1086 |
// * |
1087 |
|
1088 |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : Resource(pInstrument, rgnList), Articulator(rgnList), Sampler(rgnList) { |
1089 |
pCkRegion = rgnList; |
1090 |
|
1091 |
// articulation information |
1092 |
RIFF::Chunk* rgnh = rgnList->GetSubChunk(CHUNK_ID_RGNH); |
1093 |
if (rgnh) { |
1094 |
rgnh->SetPos(0); |
1095 |
|
1096 |
rgnh->Read(&KeyRange, 2, 2); |
1097 |
rgnh->Read(&VelocityRange, 2, 2); |
1098 |
FormatOptionFlags = rgnh->ReadUint16(); |
1099 |
KeyGroup = rgnh->ReadUint16(); |
1100 |
// Layer is optional |
1101 |
if (rgnh->RemainingBytes() >= sizeof(uint16_t)) { |
1102 |
rgnh->Read(&Layer, 1, sizeof(uint16_t)); |
1103 |
} else Layer = 0; |
1104 |
} else { // 'rgnh' chunk is missing |
1105 |
KeyRange.low = 0; |
1106 |
KeyRange.high = 127; |
1107 |
VelocityRange.low = 0; |
1108 |
VelocityRange.high = 127; |
1109 |
FormatOptionFlags = F_RGN_OPTION_SELFNONEXCLUSIVE; |
1110 |
KeyGroup = 0; |
1111 |
Layer = 0; |
1112 |
} |
1113 |
SelfNonExclusive = FormatOptionFlags & F_RGN_OPTION_SELFNONEXCLUSIVE; |
1114 |
|
1115 |
// sample information |
1116 |
RIFF::Chunk* wlnk = rgnList->GetSubChunk(CHUNK_ID_WLNK); |
1117 |
if (wlnk) { |
1118 |
wlnk->SetPos(0); |
1119 |
|
1120 |
WaveLinkOptionFlags = wlnk->ReadUint16(); |
1121 |
PhaseGroup = wlnk->ReadUint16(); |
1122 |
Channel = wlnk->ReadUint32(); |
1123 |
WavePoolTableIndex = wlnk->ReadUint32(); |
1124 |
} else { // 'wlnk' chunk is missing |
1125 |
WaveLinkOptionFlags = 0; |
1126 |
PhaseGroup = 0; |
1127 |
Channel = 0; // mono |
1128 |
WavePoolTableIndex = 0; // first entry in wave pool table |
1129 |
} |
1130 |
PhaseMaster = WaveLinkOptionFlags & F_WAVELINK_PHASE_MASTER; |
1131 |
MultiChannel = WaveLinkOptionFlags & F_WAVELINK_MULTICHANNEL; |
1132 |
|
1133 |
pSample = NULL; |
1134 |
} |
1135 |
|
1136 |
/** @brief Destructor. |
1137 |
* |
1138 |
* Intended to free up all memory occupied by this Region object. ATM this |
1139 |
* destructor implementation does nothing though. |
1140 |
*/ |
1141 |
Region::~Region() { |
1142 |
} |
1143 |
|
1144 |
/** @brief Remove all RIFF chunks associated with this Region object. |
1145 |
* |
1146 |
* See Storage::DeleteChunks() for details. |
1147 |
*/ |
1148 |
void Region::DeleteChunks() { |
1149 |
// handle base classes |
1150 |
Resource::DeleteChunks(); |
1151 |
Articulator::DeleteChunks(); |
1152 |
Sampler::DeleteChunks(); |
1153 |
|
1154 |
// handle own RIFF chunks |
1155 |
if (pCkRegion) { |
1156 |
RIFF::List* pParent = pCkRegion->GetParent(); |
1157 |
pParent->DeleteSubChunk(pCkRegion); |
1158 |
pCkRegion = NULL; |
1159 |
} |
1160 |
} |
1161 |
|
1162 |
Sample* Region::GetSample() { |
1163 |
if (pSample) return pSample; |
1164 |
File* file = (File*) GetParent()->GetParent(); |
1165 |
uint64_t soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
1166 |
Sample* sample = file->GetFirstSample(); |
1167 |
while (sample) { |
1168 |
if (sample->ullWavePoolOffset == soughtoffset) return (pSample = sample); |
1169 |
sample = file->GetNextSample(); |
1170 |
} |
1171 |
return NULL; |
1172 |
} |
1173 |
|
1174 |
/** |
1175 |
* Assign another sample to this Region. |
1176 |
* |
1177 |
* @param pSample - sample to be assigned |
1178 |
*/ |
1179 |
void Region::SetSample(Sample* pSample) { |
1180 |
this->pSample = pSample; |
1181 |
WavePoolTableIndex = 0; // we update this offset when we Save() |
1182 |
} |
1183 |
|
1184 |
/** |
1185 |
* Modifies the key range of this Region and makes sure the respective |
1186 |
* chunks are in correct order. |
1187 |
* |
1188 |
* @param Low - lower end of key range |
1189 |
* @param High - upper end of key range |
1190 |
*/ |
1191 |
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
1192 |
KeyRange.low = Low; |
1193 |
KeyRange.high = High; |
1194 |
|
1195 |
// make sure regions are already loaded |
1196 |
Instrument* pInstrument = (Instrument*) GetParent(); |
1197 |
if (!pInstrument->pRegions) pInstrument->LoadRegions(); |
1198 |
if (!pInstrument->pRegions) return; |
1199 |
|
1200 |
// find the r which is the first one to the right of this region |
1201 |
// at its new position |
1202 |
Region* r = NULL; |
1203 |
Region* prev_region = NULL; |
1204 |
for ( |
1205 |
Instrument::RegionList::iterator iter = pInstrument->pRegions->begin(); |
1206 |
iter != pInstrument->pRegions->end(); iter++ |
1207 |
) { |
1208 |
if ((*iter)->KeyRange.low > this->KeyRange.low) { |
1209 |
r = *iter; |
1210 |
break; |
1211 |
} |
1212 |
prev_region = *iter; |
1213 |
} |
1214 |
|
1215 |
// place this region before r if it's not already there |
1216 |
if (prev_region != this) pInstrument->MoveRegion(this, r); |
1217 |
} |
1218 |
|
1219 |
/** |
1220 |
* Apply Region settings to the respective RIFF chunks. You have to |
1221 |
* call File::Save() to make changes persistent. |
1222 |
* |
1223 |
* @param pProgress - callback function for progress notification |
1224 |
* @throws Exception - if the Region's sample could not be found |
1225 |
*/ |
1226 |
void Region::UpdateChunks(progress_t* pProgress) { |
1227 |
// make sure 'rgnh' chunk exists |
1228 |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
1229 |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
1230 |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
1231 |
FormatOptionFlags = (SelfNonExclusive) |
1232 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
1233 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
1234 |
// update 'rgnh' chunk |
1235 |
store16(&pData[0], KeyRange.low); |
1236 |
store16(&pData[2], KeyRange.high); |
1237 |
store16(&pData[4], VelocityRange.low); |
1238 |
store16(&pData[6], VelocityRange.high); |
1239 |
store16(&pData[8], FormatOptionFlags); |
1240 |
store16(&pData[10], KeyGroup); |
1241 |
if (rgnh->GetSize() >= 14) store16(&pData[12], Layer); |
1242 |
|
1243 |
// update chunks of base classes as well (but skip Resource, |
1244 |
// as a rgn doesn't seem to have dlid and INFO chunks) |
1245 |
Articulator::UpdateChunks(pProgress); |
1246 |
Sampler::UpdateChunks(pProgress); |
1247 |
|
1248 |
// make sure 'wlnk' chunk exists |
1249 |
RIFF::Chunk* wlnk = pCkRegion->GetSubChunk(CHUNK_ID_WLNK); |
1250 |
if (!wlnk) wlnk = pCkRegion->AddSubChunk(CHUNK_ID_WLNK, 12); |
1251 |
pData = (uint8_t*) wlnk->LoadChunkData(); |
1252 |
WaveLinkOptionFlags = (PhaseMaster) |
1253 |
? WaveLinkOptionFlags | F_WAVELINK_PHASE_MASTER |
1254 |
: WaveLinkOptionFlags & (~F_WAVELINK_PHASE_MASTER); |
1255 |
WaveLinkOptionFlags = (MultiChannel) |
1256 |
? WaveLinkOptionFlags | F_WAVELINK_MULTICHANNEL |
1257 |
: WaveLinkOptionFlags & (~F_WAVELINK_MULTICHANNEL); |
1258 |
// get sample's wave pool table index |
1259 |
int index = -1; |
1260 |
File* pFile = (File*) GetParent()->GetParent(); |
1261 |
if (pFile->pSamples) { |
1262 |
File::SampleList::iterator iter = pFile->pSamples->begin(); |
1263 |
File::SampleList::iterator end = pFile->pSamples->end(); |
1264 |
for (int i = 0; iter != end; ++iter, i++) { |
1265 |
if (*iter == pSample) { |
1266 |
index = i; |
1267 |
break; |
1268 |
} |
1269 |
} |
1270 |
} |
1271 |
WavePoolTableIndex = index; |
1272 |
// update 'wlnk' chunk |
1273 |
store16(&pData[0], WaveLinkOptionFlags); |
1274 |
store16(&pData[2], PhaseGroup); |
1275 |
store32(&pData[4], Channel); |
1276 |
store32(&pData[8], WavePoolTableIndex); |
1277 |
} |
1278 |
|
1279 |
/** |
1280 |
* Make a (semi) deep copy of the Region object given by @a orig and assign |
1281 |
* it to this object. |
1282 |
* |
1283 |
* Note that the sample pointer referenced by @a orig is simply copied as |
1284 |
* memory address. Thus the respective sample is shared, not duplicated! |
1285 |
* |
1286 |
* @param orig - original Region object to be copied from |
1287 |
*/ |
1288 |
void Region::CopyAssign(const Region* orig) { |
1289 |
// handle base classes |
1290 |
Resource::CopyAssign(orig); |
1291 |
Articulator::CopyAssign(orig); |
1292 |
Sampler::CopyAssign(orig); |
1293 |
// handle actual own attributes of this class |
1294 |
// (the trivial ones) |
1295 |
VelocityRange = orig->VelocityRange; |
1296 |
KeyGroup = orig->KeyGroup; |
1297 |
Layer = orig->Layer; |
1298 |
SelfNonExclusive = orig->SelfNonExclusive; |
1299 |
PhaseMaster = orig->PhaseMaster; |
1300 |
PhaseGroup = orig->PhaseGroup; |
1301 |
MultiChannel = orig->MultiChannel; |
1302 |
Channel = orig->Channel; |
1303 |
// only take the raw sample reference if the two Region objects are |
1304 |
// part of the same file |
1305 |
if (GetParent()->GetParent() == orig->GetParent()->GetParent()) { |
1306 |
WavePoolTableIndex = orig->WavePoolTableIndex; |
1307 |
pSample = orig->pSample; |
1308 |
} else { |
1309 |
WavePoolTableIndex = -1; |
1310 |
pSample = NULL; |
1311 |
} |
1312 |
FormatOptionFlags = orig->FormatOptionFlags; |
1313 |
WaveLinkOptionFlags = orig->WaveLinkOptionFlags; |
1314 |
// handle the last, a bit sensible attribute |
1315 |
SetKeyRange(orig->KeyRange.low, orig->KeyRange.high); |
1316 |
} |
1317 |
|
1318 |
|
1319 |
// *************** Instrument *************** |
1320 |
// * |
1321 |
|
1322 |
/** @brief Constructor. |
1323 |
* |
1324 |
* Load an existing instrument definition or create a new one. An 'ins' |
1325 |
* list chunk must be given to this constructor. In case this 'ins' list |
1326 |
* chunk contains a 'insh' chunk, the instrument data fields will be |
1327 |
* loaded from there, otherwise default values will be used and the |
1328 |
* 'insh' chunk will be created once File::Save() was called. |
1329 |
* |
1330 |
* @param pFile - pointer to DLS::File where this instrument is |
1331 |
* located (or will be located) |
1332 |
* @param insList - pointer to 'ins' list chunk which is (or will be) |
1333 |
* associated with this instrument |
1334 |
*/ |
1335 |
Instrument::Instrument(File* pFile, RIFF::List* insList) : Resource(pFile, insList), Articulator(insList) { |
1336 |
pCkInstrument = insList; |
1337 |
|
1338 |
midi_locale_t locale; |
1339 |
RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH); |
1340 |
if (insh) { |
1341 |
insh->SetPos(0); |
1342 |
|
1343 |
Regions = insh->ReadUint32(); |
1344 |
insh->Read(&locale, 2, 4); |
1345 |
} else { // 'insh' chunk missing |
1346 |
Regions = 0; |
1347 |
locale.bank = 0; |
1348 |
locale.instrument = 0; |
1349 |
} |
1350 |
|
1351 |
MIDIProgram = locale.instrument; |
1352 |
IsDrum = locale.bank & DRUM_TYPE_MASK; |
1353 |
MIDIBankCoarse = (uint8_t) MIDI_BANK_COARSE(locale.bank); |
1354 |
MIDIBankFine = (uint8_t) MIDI_BANK_FINE(locale.bank); |
1355 |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); |
1356 |
|
1357 |
pRegions = NULL; |
1358 |
} |
1359 |
|
1360 |
Region* Instrument::GetFirstRegion() { |
1361 |
if (!pRegions) LoadRegions(); |
1362 |
if (!pRegions) return NULL; |
1363 |
RegionsIterator = pRegions->begin(); |
1364 |
return (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL; |
1365 |
} |
1366 |
|
1367 |
Region* Instrument::GetNextRegion() { |
1368 |
if (!pRegions) return NULL; |
1369 |
RegionsIterator++; |
1370 |
return (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL; |
1371 |
} |
1372 |
|
1373 |
void Instrument::LoadRegions() { |
1374 |
if (!pRegions) pRegions = new RegionList; |
1375 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1376 |
if (lrgn) { |
1377 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
1378 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
1379 |
while (rgn) { |
1380 |
if (rgn->GetListType() == regionCkType) { |
1381 |
pRegions->push_back(new Region(this, rgn)); |
1382 |
} |
1383 |
rgn = lrgn->GetNextSubList(); |
1384 |
} |
1385 |
} |
1386 |
} |
1387 |
|
1388 |
Region* Instrument::AddRegion() { |
1389 |
if (!pRegions) LoadRegions(); |
1390 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1391 |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
1392 |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
1393 |
Region* pNewRegion = new Region(this, rgn); |
1394 |
pRegions->push_back(pNewRegion); |
1395 |
Regions = (uint32_t) pRegions->size(); |
1396 |
return pNewRegion; |
1397 |
} |
1398 |
|
1399 |
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
1400 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1401 |
lrgn->MoveSubChunk(pSrc->pCkRegion, (RIFF::Chunk*) (pDst ? pDst->pCkRegion : 0)); |
1402 |
|
1403 |
pRegions->remove(pSrc); |
1404 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
1405 |
pRegions->insert(iter, pSrc); |
1406 |
} |
1407 |
|
1408 |
void Instrument::DeleteRegion(Region* pRegion) { |
1409 |
if (!pRegions) return; |
1410 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1411 |
if (iter == pRegions->end()) return; |
1412 |
pRegions->erase(iter); |
1413 |
Regions = (uint32_t) pRegions->size(); |
1414 |
pRegion->DeleteChunks(); |
1415 |
delete pRegion; |
1416 |
} |
1417 |
|
1418 |
/** |
1419 |
* Apply Instrument with all its Regions to the respective RIFF chunks. |
1420 |
* You have to call File::Save() to make changes persistent. |
1421 |
* |
1422 |
* @param pProgress - callback function for progress notification |
1423 |
* @throws Exception - on errors |
1424 |
*/ |
1425 |
void Instrument::UpdateChunks(progress_t* pProgress) { |
1426 |
// first update base classes' chunks |
1427 |
Resource::UpdateChunks(pProgress); |
1428 |
Articulator::UpdateChunks(pProgress); |
1429 |
// make sure 'insh' chunk exists |
1430 |
RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH); |
1431 |
if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12); |
1432 |
uint8_t* pData = (uint8_t*) insh->LoadChunkData(); |
1433 |
// update 'insh' chunk |
1434 |
Regions = (pRegions) ? uint32_t(pRegions->size()) : 0; |
1435 |
midi_locale_t locale; |
1436 |
locale.instrument = MIDIProgram; |
1437 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1438 |
locale.bank = (IsDrum) ? locale.bank | DRUM_TYPE_MASK : locale.bank & (~DRUM_TYPE_MASK); |
1439 |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); // just a sync, when we're at it |
1440 |
store32(&pData[0], Regions); |
1441 |
store32(&pData[4], locale.bank); |
1442 |
store32(&pData[8], locale.instrument); |
1443 |
// update Region's chunks |
1444 |
if (!pRegions) return; |
1445 |
RegionList::iterator iter = pRegions->begin(); |
1446 |
RegionList::iterator end = pRegions->end(); |
1447 |
for (int i = 0; iter != end; ++iter, ++i) { |
1448 |
// divide local progress into subprogress |
1449 |
progress_t subprogress; |
1450 |
__divide_progress(pProgress, &subprogress, pRegions->size(), i); |
1451 |
// do the actual work |
1452 |
(*iter)->UpdateChunks(&subprogress); |
1453 |
} |
1454 |
__notify_progress(pProgress, 1.0); // notify done |
1455 |
} |
1456 |
|
1457 |
/** @brief Destructor. |
1458 |
* |
1459 |
* Frees all memory occupied by this instrument. |
1460 |
*/ |
1461 |
Instrument::~Instrument() { |
1462 |
if (pRegions) { |
1463 |
RegionList::iterator iter = pRegions->begin(); |
1464 |
RegionList::iterator end = pRegions->end(); |
1465 |
while (iter != end) { |
1466 |
delete *iter; |
1467 |
iter++; |
1468 |
} |
1469 |
delete pRegions; |
1470 |
} |
1471 |
} |
1472 |
|
1473 |
/** @brief Remove all RIFF chunks associated with this Instrument object. |
1474 |
* |
1475 |
* See Storage::DeleteChunks() for details. |
1476 |
*/ |
1477 |
void Instrument::DeleteChunks() { |
1478 |
// handle base classes |
1479 |
Resource::DeleteChunks(); |
1480 |
Articulator::DeleteChunks(); |
1481 |
|
1482 |
// handle RIFF chunks of members |
1483 |
if (pRegions) { |
1484 |
RegionList::iterator it = pRegions->begin(); |
1485 |
RegionList::iterator end = pRegions->end(); |
1486 |
for (; it != end; ++it) |
1487 |
(*it)->DeleteChunks(); |
1488 |
} |
1489 |
|
1490 |
// handle own RIFF chunks |
1491 |
if (pCkInstrument) { |
1492 |
RIFF::List* pParent = pCkInstrument->GetParent(); |
1493 |
pParent->DeleteSubChunk(pCkInstrument); |
1494 |
pCkInstrument = NULL; |
1495 |
} |
1496 |
} |
1497 |
|
1498 |
void Instrument::CopyAssignCore(const Instrument* orig) { |
1499 |
// handle base classes |
1500 |
Resource::CopyAssign(orig); |
1501 |
Articulator::CopyAssign(orig); |
1502 |
// handle actual own attributes of this class |
1503 |
// (the trivial ones) |
1504 |
IsDrum = orig->IsDrum; |
1505 |
MIDIBank = orig->MIDIBank; |
1506 |
MIDIBankCoarse = orig->MIDIBankCoarse; |
1507 |
MIDIBankFine = orig->MIDIBankFine; |
1508 |
MIDIProgram = orig->MIDIProgram; |
1509 |
} |
1510 |
|
1511 |
/** |
1512 |
* Make a (semi) deep copy of the Instrument object given by @a orig and assign |
1513 |
* it to this object. |
1514 |
* |
1515 |
* Note that all sample pointers referenced by @a orig are simply copied as |
1516 |
* memory address. Thus the respective samples are shared, not duplicated! |
1517 |
* |
1518 |
* @param orig - original Instrument object to be copied from |
1519 |
*/ |
1520 |
void Instrument::CopyAssign(const Instrument* orig) { |
1521 |
CopyAssignCore(orig); |
1522 |
// delete all regions first |
1523 |
while (Regions) DeleteRegion(GetFirstRegion()); |
1524 |
// now recreate and copy regions |
1525 |
{ |
1526 |
RegionList::const_iterator it = orig->pRegions->begin(); |
1527 |
for (int i = 0; i < orig->Regions; ++i, ++it) { |
1528 |
Region* dstRgn = AddRegion(); |
1529 |
//NOTE: Region does semi-deep copy ! |
1530 |
dstRgn->CopyAssign(*it); |
1531 |
} |
1532 |
} |
1533 |
} |
1534 |
|
1535 |
|
1536 |
// *************** File *************** |
1537 |
// * |
1538 |
|
1539 |
/** @brief Constructor. |
1540 |
* |
1541 |
* Default constructor, use this to create an empty DLS file. You have |
1542 |
* to add samples, instruments and finally call Save() to actually write |
1543 |
* a DLS file. |
1544 |
*/ |
1545 |
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
1546 |
pRIFF->SetByteOrder(RIFF::endian_little); |
1547 |
bOwningRiff = true; |
1548 |
pVersion = new version_t; |
1549 |
pVersion->major = 0; |
1550 |
pVersion->minor = 0; |
1551 |
pVersion->release = 0; |
1552 |
pVersion->build = 0; |
1553 |
|
1554 |
Instruments = 0; |
1555 |
WavePoolCount = 0; |
1556 |
pWavePoolTable = NULL; |
1557 |
pWavePoolTableHi = NULL; |
1558 |
WavePoolHeaderSize = 8; |
1559 |
|
1560 |
pSamples = NULL; |
1561 |
pInstruments = NULL; |
1562 |
|
1563 |
b64BitWavePoolOffsets = false; |
1564 |
} |
1565 |
|
1566 |
/** @brief Constructor. |
1567 |
* |
1568 |
* Load an existing DLS file. |
1569 |
* |
1570 |
* @param pRIFF - pointer to a RIFF file which is actually the DLS file |
1571 |
* to load |
1572 |
* @throws Exception if given file is not a DLS file, expected chunks |
1573 |
* are missing |
1574 |
*/ |
1575 |
File::File(RIFF::File* pRIFF) : Resource(NULL, pRIFF) { |
1576 |
if (!pRIFF) throw DLS::Exception("NULL pointer reference to RIFF::File object."); |
1577 |
this->pRIFF = pRIFF; |
1578 |
bOwningRiff = false; |
1579 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1580 |
if (ckVersion) { |
1581 |
ckVersion->SetPos(0); |
1582 |
|
1583 |
pVersion = new version_t; |
1584 |
ckVersion->Read(pVersion, 4, 2); |
1585 |
} |
1586 |
else pVersion = NULL; |
1587 |
|
1588 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1589 |
if (!colh) throw DLS::Exception("Mandatory chunks in RIFF list chunk not found."); |
1590 |
colh->SetPos(0); |
1591 |
Instruments = colh->ReadUint32(); |
1592 |
|
1593 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1594 |
if (!ptbl) { // pool table is missing - this is probably an ".art" file |
1595 |
WavePoolCount = 0; |
1596 |
pWavePoolTable = NULL; |
1597 |
pWavePoolTableHi = NULL; |
1598 |
WavePoolHeaderSize = 8; |
1599 |
b64BitWavePoolOffsets = false; |
1600 |
} else { |
1601 |
ptbl->SetPos(0); |
1602 |
|
1603 |
WavePoolHeaderSize = ptbl->ReadUint32(); |
1604 |
WavePoolCount = ptbl->ReadUint32(); |
1605 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
1606 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1607 |
ptbl->SetPos(WavePoolHeaderSize); |
1608 |
|
1609 |
// Check for 64 bit offsets (used in gig v3 files) |
1610 |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
1611 |
if (b64BitWavePoolOffsets) { |
1612 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1613 |
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
1614 |
pWavePoolTable[i] = ptbl->ReadUint32(); |
1615 |
//NOTE: disabled this 2GB check, not sure why this check was still left here (Christian, 2016-05-12) |
1616 |
//if (pWavePoolTable[i] & 0x80000000) |
1617 |
// throw DLS::Exception("Files larger than 2 GB not yet supported"); |
1618 |
} |
1619 |
} else { // conventional 32 bit offsets |
1620 |
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
1621 |
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
1622 |
} |
1623 |
} |
1624 |
|
1625 |
pSamples = NULL; |
1626 |
pInstruments = NULL; |
1627 |
} |
1628 |
|
1629 |
File::~File() { |
1630 |
if (pInstruments) { |
1631 |
InstrumentList::iterator iter = pInstruments->begin(); |
1632 |
InstrumentList::iterator end = pInstruments->end(); |
1633 |
while (iter != end) { |
1634 |
delete *iter; |
1635 |
iter++; |
1636 |
} |
1637 |
delete pInstruments; |
1638 |
} |
1639 |
|
1640 |
if (pSamples) { |
1641 |
SampleList::iterator iter = pSamples->begin(); |
1642 |
SampleList::iterator end = pSamples->end(); |
1643 |
while (iter != end) { |
1644 |
delete *iter; |
1645 |
iter++; |
1646 |
} |
1647 |
delete pSamples; |
1648 |
} |
1649 |
|
1650 |
if (pWavePoolTable) delete[] pWavePoolTable; |
1651 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1652 |
if (pVersion) delete pVersion; |
1653 |
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1654 |
delete *i; |
1655 |
if (bOwningRiff) |
1656 |
delete pRIFF; |
1657 |
} |
1658 |
|
1659 |
Sample* File::GetFirstSample() { |
1660 |
if (!pSamples) LoadSamples(); |
1661 |
if (!pSamples) return NULL; |
1662 |
SamplesIterator = pSamples->begin(); |
1663 |
return (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL; |
1664 |
} |
1665 |
|
1666 |
Sample* File::GetNextSample() { |
1667 |
if (!pSamples) return NULL; |
1668 |
SamplesIterator++; |
1669 |
return (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL; |
1670 |
} |
1671 |
|
1672 |
void File::LoadSamples() { |
1673 |
if (!pSamples) pSamples = new SampleList; |
1674 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1675 |
if (wvpl) { |
1676 |
file_offset_t wvplFileOffset = wvpl->GetFilePos() - |
1677 |
wvpl->GetPos(); // should be zero, but just to be sure |
1678 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1679 |
while (wave) { |
1680 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
1681 |
file_offset_t waveFileOffset = wave->GetFilePos() - |
1682 |
wave->GetPos(); // should be zero, but just to be sure |
1683 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1684 |
} |
1685 |
wave = wvpl->GetNextSubList(); |
1686 |
} |
1687 |
} |
1688 |
else { // Seen a dwpl list chunk instead of a wvpl list chunk in some file (officially not DLS compliant) |
1689 |
RIFF::List* dwpl = pRIFF->GetSubList(LIST_TYPE_DWPL); |
1690 |
if (dwpl) { |
1691 |
file_offset_t dwplFileOffset = dwpl->GetFilePos() - |
1692 |
dwpl->GetPos(); // should be zero, but just to be sure |
1693 |
RIFF::List* wave = dwpl->GetFirstSubList(); |
1694 |
while (wave) { |
1695 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
1696 |
file_offset_t waveFileOffset = wave->GetFilePos() - |
1697 |
wave->GetPos(); // should be zero, but just to be sure |
1698 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
1699 |
} |
1700 |
wave = dwpl->GetNextSubList(); |
1701 |
} |
1702 |
} |
1703 |
} |
1704 |
} |
1705 |
|
1706 |
/** @brief Add a new sample. |
1707 |
* |
1708 |
* This will create a new Sample object for the DLS file. You have to |
1709 |
* call Save() to make this persistent to the file. |
1710 |
* |
1711 |
* @returns pointer to new Sample object |
1712 |
*/ |
1713 |
Sample* File::AddSample() { |
1714 |
if (!pSamples) LoadSamples(); |
1715 |
__ensureMandatoryChunksExist(); |
1716 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1717 |
// create new Sample object and its respective 'wave' list chunk |
1718 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
1719 |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
1720 |
pSamples->push_back(pSample); |
1721 |
return pSample; |
1722 |
} |
1723 |
|
1724 |
/** @brief Delete a sample. |
1725 |
* |
1726 |
* This will delete the given Sample object from the DLS file. You have |
1727 |
* to call Save() to make this persistent to the file. |
1728 |
* |
1729 |
* @param pSample - sample to delete |
1730 |
*/ |
1731 |
void File::DeleteSample(Sample* pSample) { |
1732 |
if (!pSamples) return; |
1733 |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), pSample); |
1734 |
if (iter == pSamples->end()) return; |
1735 |
pSamples->erase(iter); |
1736 |
pSample->DeleteChunks(); |
1737 |
delete pSample; |
1738 |
} |
1739 |
|
1740 |
Instrument* File::GetFirstInstrument() { |
1741 |
if (!pInstruments) LoadInstruments(); |
1742 |
if (!pInstruments) return NULL; |
1743 |
InstrumentsIterator = pInstruments->begin(); |
1744 |
return (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL; |
1745 |
} |
1746 |
|
1747 |
Instrument* File::GetNextInstrument() { |
1748 |
if (!pInstruments) return NULL; |
1749 |
InstrumentsIterator++; |
1750 |
return (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL; |
1751 |
} |
1752 |
|
1753 |
void File::LoadInstruments() { |
1754 |
if (!pInstruments) pInstruments = new InstrumentList; |
1755 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1756 |
if (lstInstruments) { |
1757 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1758 |
while (lstInstr) { |
1759 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
1760 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
1761 |
} |
1762 |
lstInstr = lstInstruments->GetNextSubList(); |
1763 |
} |
1764 |
} |
1765 |
} |
1766 |
|
1767 |
/** @brief Add a new instrument definition. |
1768 |
* |
1769 |
* This will create a new Instrument object for the DLS file. You have |
1770 |
* to call Save() to make this persistent to the file. |
1771 |
* |
1772 |
* @returns pointer to new Instrument object |
1773 |
*/ |
1774 |
Instrument* File::AddInstrument() { |
1775 |
if (!pInstruments) LoadInstruments(); |
1776 |
__ensureMandatoryChunksExist(); |
1777 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1778 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
1779 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
1780 |
pInstruments->push_back(pInstrument); |
1781 |
return pInstrument; |
1782 |
} |
1783 |
|
1784 |
/** @brief Delete an instrument. |
1785 |
* |
1786 |
* This will delete the given Instrument object from the DLS file. You |
1787 |
* have to call Save() to make this persistent to the file. |
1788 |
* |
1789 |
* @param pInstrument - instrument to delete |
1790 |
*/ |
1791 |
void File::DeleteInstrument(Instrument* pInstrument) { |
1792 |
if (!pInstruments) return; |
1793 |
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), pInstrument); |
1794 |
if (iter == pInstruments->end()) return; |
1795 |
pInstruments->erase(iter); |
1796 |
pInstrument->DeleteChunks(); |
1797 |
delete pInstrument; |
1798 |
} |
1799 |
|
1800 |
/** |
1801 |
* Returns extension file of given index. Extension files are used |
1802 |
* sometimes to circumvent the 2 GB file size limit of the RIFF format and |
1803 |
* of certain operating systems in general. In this case, instead of just |
1804 |
* using one file, the content is spread among several files with similar |
1805 |
* file name scheme. This is especially used by some GigaStudio sound |
1806 |
* libraries. |
1807 |
* |
1808 |
* @param index - index of extension file |
1809 |
* @returns sought extension file, NULL if index out of bounds |
1810 |
* @see GetFileName() |
1811 |
*/ |
1812 |
RIFF::File* File::GetExtensionFile(int index) { |
1813 |
if (index < 0 || index >= ExtensionFiles.size()) return NULL; |
1814 |
std::list<RIFF::File*>::iterator iter = ExtensionFiles.begin(); |
1815 |
for (int i = 0; iter != ExtensionFiles.end(); ++iter, ++i) |
1816 |
if (i == index) return *iter; |
1817 |
return NULL; |
1818 |
} |
1819 |
|
1820 |
/** @brief File name of this DLS file. |
1821 |
* |
1822 |
* This method returns the file name as it was provided when loading |
1823 |
* the respective DLS file. However in case the File object associates |
1824 |
* an empty, that is new DLS file, which was not yet saved to disk, |
1825 |
* this method will return an empty string. |
1826 |
* |
1827 |
* @see GetExtensionFile() |
1828 |
*/ |
1829 |
String File::GetFileName() { |
1830 |
return pRIFF->GetFileName(); |
1831 |
} |
1832 |
|
1833 |
/** |
1834 |
* You may call this method store a future file name, so you don't have to |
1835 |
* to pass it to the Save() call later on. |
1836 |
*/ |
1837 |
void File::SetFileName(const String& name) { |
1838 |
pRIFF->SetFileName(name); |
1839 |
} |
1840 |
|
1841 |
/** |
1842 |
* Apply all the DLS file's current instruments, samples and settings to |
1843 |
* the respective RIFF chunks. You have to call Save() to make changes |
1844 |
* persistent. |
1845 |
* |
1846 |
* @param pProgress - callback function for progress notification |
1847 |
* @throws Exception - on errors |
1848 |
*/ |
1849 |
void File::UpdateChunks(progress_t* pProgress) { |
1850 |
// first update base class's chunks |
1851 |
Resource::UpdateChunks(pProgress); |
1852 |
|
1853 |
// if version struct exists, update 'vers' chunk |
1854 |
if (pVersion) { |
1855 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1856 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1857 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1858 |
store16(&pData[0], pVersion->minor); |
1859 |
store16(&pData[2], pVersion->major); |
1860 |
store16(&pData[4], pVersion->build); |
1861 |
store16(&pData[6], pVersion->release); |
1862 |
} |
1863 |
|
1864 |
// update 'colh' chunk |
1865 |
Instruments = (pInstruments) ? uint32_t(pInstruments->size()) : 0; |
1866 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1867 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1868 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1869 |
store32(pData, Instruments); |
1870 |
|
1871 |
// update instrument's chunks |
1872 |
if (pInstruments) { |
1873 |
// divide local progress into subprogress |
1874 |
progress_t subprogress; |
1875 |
__divide_progress(pProgress, &subprogress, 20.f, 0.f); // arbitrarily subdivided into 5% of total progress |
1876 |
|
1877 |
// do the actual work |
1878 |
InstrumentList::iterator iter = pInstruments->begin(); |
1879 |
InstrumentList::iterator end = pInstruments->end(); |
1880 |
for (int i = 0; iter != end; ++iter, ++i) { |
1881 |
// divide subprogress into sub-subprogress |
1882 |
progress_t subsubprogress; |
1883 |
__divide_progress(&subprogress, &subsubprogress, pInstruments->size(), i); |
1884 |
// do the actual work |
1885 |
(*iter)->UpdateChunks(&subsubprogress); |
1886 |
} |
1887 |
|
1888 |
__notify_progress(&subprogress, 1.0); // notify subprogress done |
1889 |
} |
1890 |
|
1891 |
// update 'ptbl' chunk |
1892 |
const int iSamples = (pSamples) ? int(pSamples->size()) : 0; |
1893 |
int iPtblOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
1894 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1895 |
if (!ptbl) ptbl = pRIFF->AddSubChunk(CHUNK_ID_PTBL, 1 /*anything, we'll resize*/); |
1896 |
int iPtblSize = WavePoolHeaderSize + iPtblOffsetSize * iSamples; |
1897 |
ptbl->Resize(iPtblSize); |
1898 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1899 |
WavePoolCount = iSamples; |
1900 |
store32(&pData[4], WavePoolCount); |
1901 |
// we actually update the sample offsets in the pool table when we Save() |
1902 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1903 |
|
1904 |
// update sample's chunks |
1905 |
if (pSamples) { |
1906 |
// divide local progress into subprogress |
1907 |
progress_t subprogress; |
1908 |
__divide_progress(pProgress, &subprogress, 20.f, 1.f); // arbitrarily subdivided into 95% of total progress |
1909 |
|
1910 |
// do the actual work |
1911 |
SampleList::iterator iter = pSamples->begin(); |
1912 |
SampleList::iterator end = pSamples->end(); |
1913 |
for (int i = 0; iter != end; ++iter, ++i) { |
1914 |
// divide subprogress into sub-subprogress |
1915 |
progress_t subsubprogress; |
1916 |
__divide_progress(&subprogress, &subsubprogress, pSamples->size(), i); |
1917 |
// do the actual work |
1918 |
(*iter)->UpdateChunks(&subsubprogress); |
1919 |
} |
1920 |
|
1921 |
__notify_progress(&subprogress, 1.0); // notify subprogress done |
1922 |
} |
1923 |
|
1924 |
// if there are any extension files, gather which ones are regular |
1925 |
// extension files used as wave pool files (.gx00, .gx01, ... , .gx98) |
1926 |
// and which one is probably a convolution (GigaPulse) file (always to |
1927 |
// be saved as .gx99) |
1928 |
std::list<RIFF::File*> poolFiles; // < for (.gx00, .gx01, ... , .gx98) files |
1929 |
RIFF::File* pGigaPulseFile = NULL; // < for .gx99 file |
1930 |
if (!ExtensionFiles.empty()) { |
1931 |
std::list<RIFF::File*>::iterator it = ExtensionFiles.begin(); |
1932 |
for (; it != ExtensionFiles.end(); ++it) { |
1933 |
//FIXME: the .gx99 file is always used by GSt for convolution |
1934 |
// data (GigaPulse); so we should better detect by subchunk |
1935 |
// whether the extension file is intended for convolution |
1936 |
// instead of checkking for a file name, because the latter does |
1937 |
// not work for saving new gigs created from scratch |
1938 |
const std::string oldName = (*it)->GetFileName(); |
1939 |
const bool isGigaPulseFile = (extensionOfPath(oldName) == "gx99"); |
1940 |
if (isGigaPulseFile) |
1941 |
pGigaPulseFile = *it; |
1942 |
else |
1943 |
poolFiles.push_back(*it); |
1944 |
} |
1945 |
} |
1946 |
|
1947 |
// update the 'xfil' chunk which describes all extension files (wave |
1948 |
// pool files) except the .gx99 file |
1949 |
if (!poolFiles.empty()) { |
1950 |
const int n = poolFiles.size(); |
1951 |
const int iHeaderSize = 4; |
1952 |
const int iEntrySize = 144; |
1953 |
|
1954 |
// make sure chunk exists, and with correct size |
1955 |
RIFF::Chunk* ckXfil = pRIFF->GetSubChunk(CHUNK_ID_XFIL); |
1956 |
if (ckXfil) |
1957 |
ckXfil->Resize(iHeaderSize + n * iEntrySize); |
1958 |
else |
1959 |
ckXfil = pRIFF->AddSubChunk(CHUNK_ID_XFIL, iHeaderSize + n * iEntrySize); |
1960 |
|
1961 |
uint8_t* pData = (uint8_t*) ckXfil->LoadChunkData(); |
1962 |
|
1963 |
// re-assemble the chunk's content |
1964 |
store32(pData, n); |
1965 |
std::list<RIFF::File*>::iterator itExtFile = poolFiles.begin(); |
1966 |
for (int i = 0, iOffset = 4; i < n; |
1967 |
++itExtFile, ++i, iOffset += iEntrySize) |
1968 |
{ |
1969 |
// update the filename string and 5 byte extension of each extension file |
1970 |
std::string file = lastPathComponent( |
1971 |
(*itExtFile)->GetFileName() |
1972 |
); |
1973 |
if (file.length() + 6 > 128) |
1974 |
throw Exception("Fatal error, extension filename length exceeds 122 byte maximum"); |
1975 |
uint8_t* pStrings = &pData[iOffset]; |
1976 |
memset(pStrings, 0, 128); |
1977 |
memcpy(pStrings, file.c_str(), file.length()); |
1978 |
pStrings += file.length() + 1; |
1979 |
std::string ext = file.substr(file.length()-5); |
1980 |
memcpy(pStrings, ext.c_str(), 5); |
1981 |
// update the dlsid of the extension file |
1982 |
uint8_t* pId = &pData[iOffset + 128]; |
1983 |
dlsid_t id; |
1984 |
RIFF::Chunk* ckDLSID = (*itExtFile)->GetSubChunk(CHUNK_ID_DLID); |
1985 |
if (ckDLSID) { |
1986 |
ckDLSID->Read(&id.ulData1, 1, 4); |
1987 |
ckDLSID->Read(&id.usData2, 1, 2); |
1988 |
ckDLSID->Read(&id.usData3, 1, 2); |
1989 |
ckDLSID->Read(id.abData, 8, 1); |
1990 |
} else { |
1991 |
ckDLSID = (*itExtFile)->AddSubChunk(CHUNK_ID_DLID, 16); |
1992 |
Resource::GenerateDLSID(&id); |
1993 |
uint8_t* pData = (uint8_t*)ckDLSID->LoadChunkData(); |
1994 |
store32(&pData[0], id.ulData1); |
1995 |
store16(&pData[4], id.usData2); |
1996 |
store16(&pData[6], id.usData3); |
1997 |
memcpy(&pData[8], id.abData, 8); |
1998 |
} |
1999 |
store32(&pId[0], id.ulData1); |
2000 |
store16(&pId[4], id.usData2); |
2001 |
store16(&pId[6], id.usData3); |
2002 |
memcpy(&pId[8], id.abData, 8); |
2003 |
} |
2004 |
} else { |
2005 |
// in case there was a 'xfil' chunk, remove it |
2006 |
RIFF::Chunk* ckXfil = pRIFF->GetSubChunk(CHUNK_ID_XFIL); |
2007 |
if (ckXfil) pRIFF->DeleteSubChunk(ckXfil); |
2008 |
} |
2009 |
|
2010 |
// update the 'doxf' chunk which describes a .gx99 extension file |
2011 |
// which contains convolution data (GigaPulse) |
2012 |
if (pGigaPulseFile) { |
2013 |
RIFF::Chunk* ckDoxf = pRIFF->GetSubChunk(CHUNK_ID_DOXF); |
2014 |
if (!ckDoxf) ckDoxf = pRIFF->AddSubChunk(CHUNK_ID_DOXF, 148); |
2015 |
|
2016 |
uint8_t* pData = (uint8_t*) ckDoxf->LoadChunkData(); |
2017 |
|
2018 |
// update the dlsid from the extension file |
2019 |
uint8_t* pId = &pData[132]; |
2020 |
RIFF::Chunk* ckDLSID = pGigaPulseFile->GetSubChunk(CHUNK_ID_DLID); |
2021 |
if (!ckDLSID) { //TODO: auto generate DLS ID if missing |
2022 |
throw Exception("Fatal error, GigaPulse file does not contain a DLS ID chunk"); |
2023 |
} else { |
2024 |
dlsid_t id; |
2025 |
// read DLS ID from extension files's DLS ID chunk |
2026 |
uint8_t* pData = (uint8_t*) ckDLSID->LoadChunkData(); |
2027 |
id.ulData1 = load32(&pData[0]); |
2028 |
id.usData2 = load16(&pData[4]); |
2029 |
id.usData3 = load16(&pData[6]); |
2030 |
memcpy(id.abData, &pData[8], 8); |
2031 |
// store DLS ID to 'doxf' chunk |
2032 |
store32(&pId[0], id.ulData1); |
2033 |
store16(&pId[4], id.usData2); |
2034 |
store16(&pId[6], id.usData3); |
2035 |
memcpy(&pId[8], id.abData, 8); |
2036 |
} |
2037 |
} else { |
2038 |
// in case there was a 'doxf' chunk, remove it |
2039 |
RIFF::Chunk* ckDoxf = pRIFF->GetSubChunk(CHUNK_ID_DOXF); |
2040 |
if (ckDoxf) pRIFF->DeleteSubChunk(ckDoxf); |
2041 |
} |
2042 |
|
2043 |
// the RIFF file to be written might now been grown >= 4GB or might |
2044 |
// been shrunk < 4GB, so we might need to update the wave pool offset |
2045 |
// size and thus accordingly we would need to resize the wave pool |
2046 |
// chunk |
2047 |
const file_offset_t finalFileSize = pRIFF->GetRequiredFileSize(); |
2048 |
const bool bRequires64Bit = (finalFileSize >> 32) != 0 || // < native 64 bit gig file |
2049 |
poolFiles.size() > 0; // < 32 bit gig file where the hi 32 bits are used as extension file nr |
2050 |
if (b64BitWavePoolOffsets != bRequires64Bit) { |
2051 |
b64BitWavePoolOffsets = bRequires64Bit; |
2052 |
iPtblOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
2053 |
iPtblSize = WavePoolHeaderSize + iPtblOffsetSize * iSamples; |
2054 |
ptbl->Resize(iPtblSize); |
2055 |
} |
2056 |
|
2057 |
__notify_progress(pProgress, 1.0); // notify done |
2058 |
} |
2059 |
|
2060 |
/** @brief Save changes to another file. |
2061 |
* |
2062 |
* Make all changes persistent by writing them to another file. |
2063 |
* <b>Caution:</b> this method is optimized for writing to |
2064 |
* <b>another</b> file, do not use it to save the changes to the same |
2065 |
* file! Use Save() (without path argument) in that case instead! |
2066 |
* Ignoring this might result in a corrupted file! |
2067 |
* |
2068 |
* After calling this method, this File object will be associated with |
2069 |
* the new file (given by \a Path) afterwards. |
2070 |
* |
2071 |
* @param Path - path and file name where everything should be written to |
2072 |
* @param pProgress - optional: callback function for progress notification |
2073 |
*/ |
2074 |
void File::Save(const String& Path, progress_t* pProgress) { |
2075 |
// calculate number of tasks to notify progress appropriately |
2076 |
const size_t nExtFiles = ExtensionFiles.size(); |
2077 |
const float tasks = 2.f + nExtFiles; |
2078 |
|
2079 |
// save extension files (if required) |
2080 |
if (!ExtensionFiles.empty()) { |
2081 |
// for assembling path of extension files to be saved to |
2082 |
const std::string folder = parentPath(Path); |
2083 |
const std::string baseName = pathWithoutExtension(Path); |
2084 |
// save the individual extension files |
2085 |
std::list<RIFF::File*>::iterator it = ExtensionFiles.begin(); |
2086 |
for (int i = 0; it != ExtensionFiles.end(); ++i, ++it) { |
2087 |
// divide local progress into subprogress |
2088 |
progress_t subprogress; |
2089 |
__divide_progress(pProgress, &subprogress, tasks, 0.f + i); // subdivided into amount of extension files |
2090 |
//FIXME: the .gx99 file is always used by GSt for convolution |
2091 |
// data (GigaPulse); so we should better detect by subchunk |
2092 |
// whether the extension file is intended for convolution |
2093 |
// instead of checkking for a file name, because the latter does |
2094 |
// not work for saving new gigs created from scratch |
2095 |
const std::string oldName = (*it)->GetFileName(); |
2096 |
const bool isGigaPulseFile = (extensionOfPath(oldName) == "gx99"); |
2097 |
std::string ext = (isGigaPulseFile) ? ".gx99" : strPrint(".gx02d", i+1); |
2098 |
std::string newPath = concatPath(folder, baseName) + ext; |
2099 |
// save extension file to its new location |
2100 |
(*it)->Save(newPath, &subprogress); |
2101 |
} |
2102 |
} |
2103 |
|
2104 |
{ |
2105 |
// divide local progress into subprogress |
2106 |
progress_t subprogress; |
2107 |
__divide_progress(pProgress, &subprogress, tasks, 1.f + nExtFiles); // arbitrarily subdivided into 50% (minus extension files progress) |
2108 |
// do the actual work |
2109 |
UpdateChunks(&subprogress); |
2110 |
} |
2111 |
{ |
2112 |
// divide local progress into subprogress |
2113 |
progress_t subprogress; |
2114 |
__divide_progress(pProgress, &subprogress, tasks, 2.f + nExtFiles); // arbitrarily subdivided into 50% (minus extension files progress) |
2115 |
// do the actual work |
2116 |
pRIFF->Save(Path, &subprogress); |
2117 |
} |
2118 |
UpdateFileOffsets(); |
2119 |
__notify_progress(pProgress, 1.0); // notify done |
2120 |
} |
2121 |
|
2122 |
/** @brief Save changes to same file. |
2123 |
* |
2124 |
* Make all changes persistent by writing them to the actual (same) |
2125 |
* file. The file might temporarily grow to a higher size than it will |
2126 |
* have at the end of the saving process. |
2127 |
* |
2128 |
* @param pProgress - optional: callback function for progress notification |
2129 |
* @throws RIFF::Exception if any kind of IO error occurred |
2130 |
* @throws DLS::Exception if any kind of DLS specific error occurred |
2131 |
*/ |
2132 |
void File::Save(progress_t* pProgress) { |
2133 |
// calculate number of tasks to notify progress appropriately |
2134 |
const size_t nExtFiles = ExtensionFiles.size(); |
2135 |
const float tasks = 2.f + nExtFiles; |
2136 |
|
2137 |
// save extension files (if required) |
2138 |
if (!ExtensionFiles.empty()) { |
2139 |
std::list<RIFF::File*>::iterator it = ExtensionFiles.begin(); |
2140 |
for (int i = 0; it != ExtensionFiles.end(); ++i, ++it) { |
2141 |
// divide local progress into subprogress |
2142 |
progress_t subprogress; |
2143 |
__divide_progress(pProgress, &subprogress, tasks, 0.f + i); // subdivided into amount of extension files |
2144 |
// save extension file |
2145 |
(*it)->Save(&subprogress); |
2146 |
} |
2147 |
} |
2148 |
|
2149 |
{ |
2150 |
// divide local progress into subprogress |
2151 |
progress_t subprogress; |
2152 |
__divide_progress(pProgress, &subprogress, tasks, 1.f + nExtFiles); // arbitrarily subdivided into 50% (minus extension files progress) |
2153 |
// do the actual work |
2154 |
UpdateChunks(&subprogress); |
2155 |
} |
2156 |
{ |
2157 |
// divide local progress into subprogress |
2158 |
progress_t subprogress; |
2159 |
__divide_progress(pProgress, &subprogress, tasks, 2.f + nExtFiles); // arbitrarily subdivided into 50% (minus extension files progress) |
2160 |
// do the actual work |
2161 |
pRIFF->Save(&subprogress); |
2162 |
} |
2163 |
UpdateFileOffsets(); |
2164 |
__notify_progress(pProgress, 1.0); // notify done |
2165 |
} |
2166 |
|
2167 |
/** @brief Updates all file offsets stored all over the file. |
2168 |
* |
2169 |
* This virtual method is called whenever the overall file layout has been |
2170 |
* changed (i.e. file or individual RIFF chunks have been resized). It is |
2171 |
* then the responsibility of this method to update all file offsets stored |
2172 |
* in the file format. For example samples are referenced by instruments by |
2173 |
* file offsets. The gig format also stores references to instrument |
2174 |
* scripts as file offsets, and thus it overrides this method to update |
2175 |
* those file offsets as well. |
2176 |
*/ |
2177 |
void File::UpdateFileOffsets() { |
2178 |
__UpdateWavePoolTableChunk(); |
2179 |
} |
2180 |
|
2181 |
/** |
2182 |
* Checks if all (for DLS) mandatory chunks exist, if not they will be |
2183 |
* created. Note that those chunks will not be made persistent until |
2184 |
* Save() was called. |
2185 |
*/ |
2186 |
void File::__ensureMandatoryChunksExist() { |
2187 |
// enusre 'lins' list chunk exists (mandatory for instrument definitions) |
2188 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
2189 |
if (!lstInstruments) pRIFF->AddSubList(LIST_TYPE_LINS); |
2190 |
// ensure 'ptbl' chunk exists (mandatory for samples) |
2191 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
2192 |
if (!ptbl) { |
2193 |
const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
2194 |
ptbl = pRIFF->AddSubChunk(CHUNK_ID_PTBL, WavePoolHeaderSize + iOffsetSize); |
2195 |
} |
2196 |
// enusre 'wvpl' list chunk exists (mandatory for samples) |
2197 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
2198 |
if (!wvpl) pRIFF->AddSubList(LIST_TYPE_WVPL); |
2199 |
} |
2200 |
|
2201 |
/** |
2202 |
* Updates (persistently) the wave pool table with offsets to all |
2203 |
* currently available samples. <b>Caution:</b> this method assumes the |
2204 |
* 'ptbl' chunk to be already of the correct size and the file to be |
2205 |
* writable, so usually this method is only called after a Save() call. |
2206 |
* |
2207 |
* @throws Exception - if 'ptbl' chunk is too small (should only occur |
2208 |
* if there's a bug) |
2209 |
*/ |
2210 |
void File::__UpdateWavePoolTableChunk() { |
2211 |
__UpdateWavePoolTable(); |
2212 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
2213 |
const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
2214 |
// check if 'ptbl' chunk is large enough |
2215 |
WavePoolCount = (pSamples) ? uint32_t(pSamples->size()) : 0; |
2216 |
const file_offset_t ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount; |
2217 |
if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small"); |
2218 |
// save the 'ptbl' chunk's current read/write position |
2219 |
file_offset_t ullOriginalPos = ptbl->GetPos(); |
2220 |
// update headers |
2221 |
ptbl->SetPos(0); |
2222 |
uint32_t tmp = WavePoolHeaderSize; |
2223 |
ptbl->WriteUint32(&tmp); |
2224 |
tmp = WavePoolCount; |
2225 |
ptbl->WriteUint32(&tmp); |
2226 |
// update offsets |
2227 |
ptbl->SetPos(WavePoolHeaderSize); |
2228 |
if (b64BitWavePoolOffsets) { |
2229 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
2230 |
tmp = pWavePoolTableHi[i]; |
2231 |
ptbl->WriteUint32(&tmp); |
2232 |
tmp = pWavePoolTable[i]; |
2233 |
ptbl->WriteUint32(&tmp); |
2234 |
} |
2235 |
} else { // conventional 32 bit offsets |
2236 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
2237 |
tmp = pWavePoolTable[i]; |
2238 |
ptbl->WriteUint32(&tmp); |
2239 |
} |
2240 |
} |
2241 |
// restore 'ptbl' chunk's original read/write position |
2242 |
ptbl->SetPos(ullOriginalPos); |
2243 |
} |
2244 |
|
2245 |
/** |
2246 |
* Updates the wave pool table with offsets to all currently available |
2247 |
* samples. <b>Caution:</b> this method assumes the 'wvpl' list chunk |
2248 |
* exists already. |
2249 |
*/ |
2250 |
void File::__UpdateWavePoolTable() { |
2251 |
WavePoolCount = (pSamples) ? uint32_t(pSamples->size()) : 0; |
2252 |
// resize wave pool table arrays |
2253 |
if (pWavePoolTable) delete[] pWavePoolTable; |
2254 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
2255 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
2256 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
2257 |
if (!pSamples) return; |
2258 |
// update offsets in wave pool table |
2259 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
2260 |
uint64_t wvplFileOffset = wvpl->GetFilePos() - |
2261 |
wvpl->GetPos(); // mandatory, since position might have changed |
2262 |
if (!b64BitWavePoolOffsets) { // conventional 32 bit offsets (and no extension files) ... |
2263 |
SampleList::iterator iter = pSamples->begin(); |
2264 |
SampleList::iterator end = pSamples->end(); |
2265 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
2266 |
uint64_t _64BitOffset = |
2267 |
(*iter)->pWaveList->GetFilePos() - |
2268 |
(*iter)->pWaveList->GetPos() - // should be zero, but just to be sure |
2269 |
wvplFileOffset - |
2270 |
LIST_HEADER_SIZE(pRIFF->GetFileOffsetSize()); |
2271 |
(*iter)->ullWavePoolOffset = _64BitOffset; |
2272 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
2273 |
} |
2274 |
} else { // a) native 64 bit offsets without extension files or b) 32 bit offsets with extension files ... |
2275 |
if (ExtensionFiles.empty()) { // native 64 bit offsets (and no extension files) [not compatible with GigaStudio] ... |
2276 |
SampleList::iterator iter = pSamples->begin(); |
2277 |
SampleList::iterator end = pSamples->end(); |
2278 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
2279 |
uint64_t _64BitOffset = |
2280 |
(*iter)->pWaveList->GetFilePos() - |
2281 |
(*iter)->pWaveList->GetPos() - // should be zero, but just to be sure |
2282 |
wvplFileOffset - |
2283 |
LIST_HEADER_SIZE(pRIFF->GetFileOffsetSize()); |
2284 |
(*iter)->ullWavePoolOffset = _64BitOffset; |
2285 |
pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32); |
2286 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
2287 |
} |
2288 |
} else { // 32 bit offsets with extension files (GigaStudio legacy support) ... |
2289 |
// the main gig and the extension files may contain wave data |
2290 |
std::vector<RIFF::File*> poolFiles; |
2291 |
poolFiles.push_back(pRIFF); |
2292 |
poolFiles.insert(poolFiles.end(), ExtensionFiles.begin(), ExtensionFiles.end()); |
2293 |
|
2294 |
RIFF::File* pCurPoolFile = NULL; |
2295 |
int fileNo = 0; |
2296 |
int waveOffset = 0; |
2297 |
SampleList::iterator iter = pSamples->begin(); |
2298 |
SampleList::iterator end = pSamples->end(); |
2299 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
2300 |
RIFF::File* pPoolFile = (*iter)->pWaveList->GetFile(); |
2301 |
// if this sample is located in the same pool file as the |
2302 |
// last we reuse the previously computed fileNo and waveOffset |
2303 |
if (pPoolFile != pCurPoolFile) { // it is a different pool file than the last sample ... |
2304 |
pCurPoolFile = pPoolFile; |
2305 |
|
2306 |
std::vector<RIFF::File*>::iterator sIter; |
2307 |
sIter = std::find(poolFiles.begin(), poolFiles.end(), pPoolFile); |
2308 |
if (sIter != poolFiles.end()) |
2309 |
fileNo = std::distance(poolFiles.begin(), sIter); |
2310 |
else |
2311 |
throw DLS::Exception("Fatal error, unknown pool file"); |
2312 |
|
2313 |
RIFF::List* extWvpl = pCurPoolFile->GetSubList(LIST_TYPE_WVPL); |
2314 |
if (!extWvpl) |
2315 |
throw DLS::Exception("Fatal error, pool file has no 'wvpl' list chunk"); |
2316 |
waveOffset = |
2317 |
extWvpl->GetFilePos() - |
2318 |
extWvpl->GetPos() + // mandatory, since position might have changed |
2319 |
LIST_HEADER_SIZE(pCurPoolFile->GetFileOffsetSize()); |
2320 |
} |
2321 |
uint64_t _64BitOffset = |
2322 |
(*iter)->pWaveList->GetFilePos() - |
2323 |
(*iter)->pWaveList->GetPos() - // should be zero, but just to be sure |
2324 |
waveOffset; |
2325 |
// pWavePoolTableHi stores file number when extension files are in use |
2326 |
pWavePoolTableHi[i] = (uint32_t) fileNo; |
2327 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
2328 |
(*iter)->ullWavePoolOffset = _64BitOffset; |
2329 |
} |
2330 |
} |
2331 |
} |
2332 |
} |
2333 |
|
2334 |
|
2335 |
// *************** Exception *************** |
2336 |
// * |
2337 |
|
2338 |
Exception::Exception() : RIFF::Exception() { |
2339 |
} |
2340 |
|
2341 |
Exception::Exception(String format, ...) : RIFF::Exception() { |
2342 |
va_list arg; |
2343 |
va_start(arg, format); |
2344 |
Message = assemble(format, arg); |
2345 |
va_end(arg); |
2346 |
} |
2347 |
|
2348 |
Exception::Exception(String format, va_list arg) : RIFF::Exception() { |
2349 |
Message = assemble(format, arg); |
2350 |
} |
2351 |
|
2352 |
void Exception::PrintMessage() { |
2353 |
std::cout << "DLS::Exception: " << Message << std::endl; |
2354 |
} |
2355 |
|
2356 |
|
2357 |
// *************** functions *************** |
2358 |
// * |
2359 |
|
2360 |
/** |
2361 |
* Returns the name of this C++ library. This is usually "libgig" of |
2362 |
* course. This call is equivalent to RIFF::libraryName() and |
2363 |
* gig::libraryName(). |
2364 |
*/ |
2365 |
String libraryName() { |
2366 |
return PACKAGE; |
2367 |
} |
2368 |
|
2369 |
/** |
2370 |
* Returns version of this C++ library. This call is equivalent to |
2371 |
* RIFF::libraryVersion() and gig::libraryVersion(). |
2372 |
*/ |
2373 |
String libraryVersion() { |
2374 |
return VERSION; |
2375 |
} |
2376 |
|
2377 |
} // namespace DLS |