175 lines
4.9 KiB
C++
175 lines
4.9 KiB
C++
/***************************************************************************
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copyright : (C) 2008 by Scott Wheeler
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email : wheeler@kde.org
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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, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#include <tbytevector.h>
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#include <tdebug.h>
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#include <id3v2tag.h>
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#include <tstringlist.h>
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#include <tpropertymap.h>
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#include <tagutils.h>
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#include "aifffile.h"
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using namespace TagLib;
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class RIFF::AIFF::File::FilePrivate
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{
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public:
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FilePrivate() :
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properties(0),
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tag(0),
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hasID3v2(false) {}
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~FilePrivate()
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{
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delete properties;
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delete tag;
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}
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Properties *properties;
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ID3v2::Tag *tag;
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bool hasID3v2;
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};
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////////////////////////////////////////////////////////////////////////////////
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// static members
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////////////////////////////////////////////////////////////////////////////////
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bool RIFF::AIFF::File::isSupported(IOStream *stream)
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{
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// An AIFF file has to start with "FORM????AIFF" or "FORM????AIFC".
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const ByteVector id = Utils::readHeader(stream, 12, false);
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return (id.startsWith("FORM") && (id.containsAt("AIFF", 8) || id.containsAt("AIFC", 8)));
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}
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////////////////////////////////////////////////////////////////////////////////
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// public members
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////////////////////////////////////////////////////////////////////////////////
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RIFF::AIFF::File::File(FileName file, bool readProperties, Properties::ReadStyle) :
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RIFF::File(file, BigEndian),
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d(new FilePrivate())
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{
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if(isOpen())
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read(readProperties);
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}
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RIFF::AIFF::File::File(IOStream *stream, bool readProperties, Properties::ReadStyle) :
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RIFF::File(stream, BigEndian),
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d(new FilePrivate())
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{
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if(isOpen())
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read(readProperties);
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}
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RIFF::AIFF::File::~File()
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{
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delete d;
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}
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ID3v2::Tag *RIFF::AIFF::File::tag() const
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{
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return d->tag;
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}
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PropertyMap RIFF::AIFF::File::properties() const
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{
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return d->tag->properties();
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}
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void RIFF::AIFF::File::removeUnsupportedProperties(const StringList &unsupported)
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{
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d->tag->removeUnsupportedProperties(unsupported);
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}
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PropertyMap RIFF::AIFF::File::setProperties(const PropertyMap &properties)
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{
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return d->tag->setProperties(properties);
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}
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RIFF::AIFF::Properties *RIFF::AIFF::File::audioProperties() const
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{
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return d->properties;
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}
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bool RIFF::AIFF::File::save()
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{
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if(readOnly()) {
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debug("RIFF::AIFF::File::save() -- File is read only.");
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return false;
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}
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if(!isValid()) {
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debug("RIFF::AIFF::File::save() -- Trying to save invalid file.");
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return false;
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}
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if(d->hasID3v2) {
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removeChunk("ID3 ");
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removeChunk("id3 ");
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d->hasID3v2 = false;
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}
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if(tag() && !tag()->isEmpty()) {
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setChunkData("ID3 ", d->tag->render());
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d->hasID3v2 = true;
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}
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return true;
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}
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bool RIFF::AIFF::File::hasID3v2Tag() const
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{
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return d->hasID3v2;
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}
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////////////////////////////////////////////////////////////////////////////////
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// private members
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////////////////////////////////////////////////////////////////////////////////
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void RIFF::AIFF::File::read(bool readProperties)
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{
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for(unsigned int i = 0; i < chunkCount(); ++i) {
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const ByteVector name = chunkName(i);
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if(name == "ID3 " || name == "id3 ") {
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if(!d->tag) {
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d->tag = new ID3v2::Tag(this, chunkOffset(i));
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d->hasID3v2 = true;
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}
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else {
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debug("RIFF::AIFF::File::read() - Duplicate ID3v2 tag found.");
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}
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}
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}
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if(!d->tag)
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d->tag = new ID3v2::Tag();
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if(readProperties)
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d->properties = new Properties(this, Properties::Average);
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}
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