mirror of
https://github.com/taglib/taglib.git
synced 2025-07-22 15:04:24 -04:00
added read-only support for s3m, it and xm
This commit is contained in:
Mathias Panzenböck
167
taglib/it/itfile.cpp
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167
taglib/it/itfile.cpp
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@ -0,0 +1,167 @@
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/***************************************************************************
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copyright : (C) 2011 by Mathias Panzenböck
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email : grosser.meister.morti@gmx.net
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***************************************************************************/
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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 Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
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* MA 02110-1301 USA *
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***************************************************************************/
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#include "tstringlist.h"
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#include "itfile.h"
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namespace TagLib {
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namespace IT {
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uint8_t AUTOVIB_IT_TO_XM[] = {0, 3, 1, 4, 2, 0, 0, 0};
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File::File(FileName file, bool readProperties,
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AudioProperties::ReadStyle propertiesStyle) :
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Mod::File(file), m_tag(0), m_properties(0) {
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read(readProperties, propertiesStyle);
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}
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File::~File() {
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delete m_tag;
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delete m_properties;
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}
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Mod::Tag *File::tag() const {
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return m_tag;
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}
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IT::Properties *File::audioProperties() const {
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return m_properties;
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}
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bool File::save() {
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return false;
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}
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void File::read(bool, AudioProperties::ReadStyle propertiesStyle) {
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delete m_tag;
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delete m_properties;
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m_tag = new Mod::Tag();
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m_properties = new IT::Properties(propertiesStyle);
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if (!isOpen())
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return;
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try {
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ByteVector mod_id(readBytes(4UL));
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if (mod_id != "IMPM") {
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throw Mod::ReadError();
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}
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m_tag->setTitle(readString(26));
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seek(2, Current);
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uint16_t length = readU16L();
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uint16_t instrumentCount = readU16L();
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uint16_t sampleCount = readU16L();
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m_properties->setSampleLength(length);
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m_properties->setInstrumentCount(instrumentCount);
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m_properties->setSampleCount(sampleCount);
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m_properties->setPatternCount(readU16L());
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m_properties->setVersion(readU16L());
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m_properties->setCmwt(readU16L());
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m_properties->setFlags(readU16L());
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uint16_t special = readU16L();
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m_properties->setSpecial(special);
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m_properties->setBaseVolume(readU16L());
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seek(1, Current);
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m_properties->setTempo(readByte());
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m_properties->setBpmSpeed(readByte());
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StringList comment;
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for (uint16_t i = 0; i < instrumentCount; ++ i) {
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seek(192 + length + (i << 2));
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uint32_t instrumentOffset = readU32L();
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seek(instrumentOffset);
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ByteVector instrumentMagic = readBytes(4);
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if (instrumentMagic != "IMPS" && instrumentMagic != "IMPI") {
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throw Mod::ReadError();
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}
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String dosFileName = readString(13);
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seek(15, Current);
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String instrumentName = readString(26);
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comment.append(instrumentName);
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}
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for (uint16_t i = 0; i < sampleCount; ++ i) {
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seek(192 + length + (instrumentCount << 2) + (i << 2));
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uint32_t sampleOffset = readU32L();
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seek(sampleOffset);
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ByteVector sampleMagic = readBytes(4);
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if (sampleMagic != "IMPS" && sampleMagic != "IMPI") {
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throw Mod::ReadError();
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}
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String dosFileName = readString(13);
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uint8_t globalVolume = readByte();
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uint8_t sampleFlags = readByte();
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uint8_t sampleValume = readByte();
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String sampleName = readString(26);
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uint8_t sampleCvt = readByte();
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uint8_t samplePanning = readByte();
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uint32_t sampleLength = readU32L();
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uint32_t repeatStart = readU32L();
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uint32_t repeatStop = readU32L();
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uint32_t c4speed = readU32L();
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uint32_t sustainLoopStart = readU32L();
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uint32_t sustainLoopEnd = readU32L();
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uint32_t sampleDataOffset = readU32L();
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uint8_t vibratoRate = readByte();
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uint8_t vibratoDepth = readByte();
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uint8_t vibratoSweep = readByte();
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uint8_t vibratoType = readByte();
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if (c4speed == 0) {
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c4speed = 8363;
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}
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else if (c4speed < 256) {
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c4speed = 256;
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}
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vibratoDepth = vibratoDepth & 0x7F;
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vibratoSweep = (vibratoSweep + 3) >> 2;
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vibratoType = AUTOVIB_IT_TO_XM[vibratoType & 0x07];
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comment.append(sampleName);
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}
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m_tag->setComment(comment.toString("\n"));
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}
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catch (const Mod::ReadError&) {
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setValid(false);
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}
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}
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}
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}
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83
taglib/it/itfile.h
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83
taglib/it/itfile.h
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@ -0,0 +1,83 @@
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/***************************************************************************
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copyright : (C) 2011 by Mathias Panzenböck
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email : grosser.meister.morti@gmx.net
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***************************************************************************/
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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 Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
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* MA 02110-1301 USA *
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***************************************************************************/
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#ifndef TAGLIB_ITFILE_H
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#define TAGLIB_ITFILE_H
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#include <stdint.h>
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#include "tfile.h"
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#include "audioproperties.h"
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#include "taglib_export.h"
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#include "modfile.h"
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#include "modtag.h"
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#include "itproperties.h"
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namespace TagLib {
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namespace IT {
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class TAGLIB_EXPORT File : public Mod::File {
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public:
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/*!
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* Contructs a Impulse Tracker file from \a file. If \a readProperties
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* is true the file's audio properties will also be read using
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* \a propertiesStyle. If false, \a propertiesStyle is ignored.
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*/
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explicit File(FileName file, bool readProperties = true,
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AudioProperties::ReadStyle propertiesStyle =
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AudioProperties::Average);
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/*!
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* Destroys this instance of the File.
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*/
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virtual ~File();
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virtual Mod::Tag *tag() const;
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/*!
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* Returns the IT::Properties for this file. If no audio properties
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* were read then this will return a null pointer.
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*/
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virtual IT::Properties *audioProperties() const;
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/*!
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* Save the file.
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* This is the same as calling save(AllTags);
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*
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* \note Saving Impulse Tracker tags is not supported.
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*/
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virtual bool save();
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void read(bool readProperties,
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AudioProperties::ReadStyle propertiesStyle);
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private:
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File(const File &);
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File &operator=(const File &);
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Mod::Tag *m_tag;
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IT::Properties *m_properties;
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};
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}
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}
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#endif
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37
taglib/it/itfiletyperesolver.cpp
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37
taglib/it/itfiletyperesolver.cpp
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@ -0,0 +1,37 @@
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/***************************************************************************
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copyright : (C) 2011 by Mathias Panzenböck
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email : grosser.meister.morti@gmx.net
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***************************************************************************/
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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 Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
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* MA 02110-1301 USA *
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***************************************************************************/
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#include "itfiletyperesolver.h"
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#include "itfile.h"
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TagLib::File *ITFileTypeResolver::createFile(
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TagLib::FileName fileName,
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bool readProperties,
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TagLib::AudioProperties::ReadStyle propertiesStyle) const {
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TagLib::IT::File *f = new TagLib::IT::File(fileName, readProperties, propertiesStyle);
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if (f->isValid()) {
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return f;
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}
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else {
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delete f;
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return 0;
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}
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}
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35
taglib/it/itfiletyperesolver.h
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35
taglib/it/itfiletyperesolver.h
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@ -0,0 +1,35 @@
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/***************************************************************************
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copyright : (C) 2011 by Mathias Panzenböck
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email : grosser.meister.morti@gmx.net
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***************************************************************************/
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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 Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
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* MA 02110-1301 USA *
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***************************************************************************/
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#ifndef TAGLIB_ITFILETYPERESOLVER_H
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#define TAGLIB_ITFILETYPERESOLVER_H
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#include "fileref.h"
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#include "taglib_export.h"
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class TAGLIB_EXPORT ITFileTypeResolver : public TagLib::FileRef::FileTypeResolver {
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TagLib::File *createFile(TagLib::FileName fileName,
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bool readAudioProperties,
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TagLib::AudioProperties::ReadStyle audioPropertiesStyle) const;
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~ITFileTypeResolver() {}
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};
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#endif
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101
taglib/it/itproperties.h
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101
taglib/it/itproperties.h
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@ -0,0 +1,101 @@
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/***************************************************************************
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copyright : (C) 2011 by Mathias Panzenböck
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email : grosser.meister.morti@gmx.net
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***************************************************************************/
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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 Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
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* MA 02110-1301 USA *
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***************************************************************************/
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#ifndef TAGLIB_ITPROPERTIES_H
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#define TAGLIB_ITPROPERTIES_H
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#include <stdint.h>
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#include "audioproperties.h"
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namespace TagLib {
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namespace IT {
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class TAGLIB_EXPORT Properties : public AudioProperties {
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friend class File;
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public:
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Properties(AudioProperties::ReadStyle propertiesStyle) :
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AudioProperties(propertiesStyle),
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m_sampleLength(0),
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m_stereo(false),
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m_instrumentCount(0),
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m_sampleCount(0),
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m_patternCount(0),
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m_version(0),
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m_cmwt(0),
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m_flags(0),
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m_special(0),
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m_baseVolume(0),
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m_tempo(0),
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m_bpmSpeed(0) {}
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int length() const { return 0; }
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int bitrate() const { return 0; }
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int sampleRate() const { return 0; }
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int channels() const { return m_stereo ? 2 : 1; }
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uint16_t sampleLength() const { return m_sampleLength; }
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bool stereo() const { return m_stereo; }
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uint16_t instrumentCount() const { return m_instrumentCount; }
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uint16_t sampleCount() const { return m_sampleCount; }
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uint16_t patternCount() const { return m_patternCount; }
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uint16_t version() const { return m_version; }
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uint16_t cmwt() const { return m_cmwt; }
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uint16_t flags() const { return m_flags; }
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uint16_t special() const { return m_special; }
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int baseVolume() const { return m_baseVolume; }
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uint8_t tempo() const { return m_tempo; }
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uint8_t bpmSpeed() const { return m_bpmSpeed; }
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protected:
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void setSampleLength(uint16_t sampleLength) { m_sampleLength = sampleLength; }
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void setStereo(bool stereo) { m_stereo = stereo; }
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void setInstrumentCount (uint16_t instrumentCount) {
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m_instrumentCount = instrumentCount;
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}
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void setSampleCount (uint16_t sampleCount) { m_sampleCount = sampleCount; }
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void setPatternCount(uint16_t patternCount) { m_patternCount = patternCount; }
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void setFlags (uint16_t flags) { m_flags = flags; }
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void setSpecial (uint16_t special) { m_special = special; }
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void setCmwt (uint16_t cmwt) { m_cmwt = cmwt; }
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void setVersion (uint16_t version) { m_version = version; }
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void setBaseVolume (int baseVolume) { m_baseVolume = baseVolume; }
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void setTempo (uint8_t tempo) { m_tempo = tempo; }
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void setBpmSpeed (uint8_t bpmSpeed) { m_bpmSpeed = bpmSpeed; }
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private:
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uint16_t m_sampleLength;
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bool m_stereo;
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uint16_t m_instrumentCount;
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uint16_t m_sampleCount;
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uint16_t m_patternCount;
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uint16_t m_version;
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uint16_t m_cmwt;
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uint16_t m_flags;
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uint16_t m_special;
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int m_baseVolume;
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uint8_t m_tempo;
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uint8_t m_bpmSpeed;
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};
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}
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}
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#endif
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