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/***************************************************************************
copyright : (C) 2008 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 USA *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#include <tbytevector.h>
#include <tdebug.h>
#include <id3v2tag.h>
#include <tstringlist.h>
#include <tpropertymap.h>
#include <tagutils.h>
#include "aifffile.h"
using namespace TagLib;
class RIFF::AIFF::File::FilePrivate
{
public:
FilePrivate() :
properties(0),
tag(0),
hasID3v2(false) {}
~FilePrivate()
{
delete properties;
delete tag;
}
Properties *properties;
ID3v2::Tag *tag;
bool hasID3v2;
};
////////////////////////////////////////////////////////////////////////////////
// static members
////////////////////////////////////////////////////////////////////////////////
bool RIFF::AIFF::File::isSupported(IOStream *stream)
{
// An AIFF file has to start with "FORM????AIFF" or "FORM????AIFC".
const ByteVector id = Utils::readHeader(stream, 12, false);
return (id.startsWith("FORM") && (id.containsAt("AIFF", 8) || id.containsAt("AIFC", 8)));
}
////////////////////////////////////////////////////////////////////////////////
// public members
////////////////////////////////////////////////////////////////////////////////
RIFF::AIFF::File::File(FileName file, bool readProperties, Properties::ReadStyle) :
RIFF::File(file, BigEndian),
d(new FilePrivate())
{
if(isOpen())
read(readProperties);
}
RIFF::AIFF::File::File(IOStream *stream, bool readProperties, Properties::ReadStyle) :
RIFF::File(stream, BigEndian),
d(new FilePrivate())
{
if(isOpen())
read(readProperties);
}
RIFF::AIFF::File::~File()
{
delete d;
}
ID3v2::Tag *RIFF::AIFF::File::tag() const
{
return d->tag;
}
PropertyMap RIFF::AIFF::File::properties() const
{
return d->tag->properties();
}
void RIFF::AIFF::File::removeUnsupportedProperties(const StringList &unsupported)
{
d->tag->removeUnsupportedProperties(unsupported);
}
PropertyMap RIFF::AIFF::File::setProperties(const PropertyMap &properties)
{
return d->tag->setProperties(properties);
}
RIFF::AIFF::Properties *RIFF::AIFF::File::audioProperties() const
{
return d->properties;
}
bool RIFF::AIFF::File::save()
{
if(readOnly()) {
debug("RIFF::AIFF::File::save() -- File is read only.");
return false;
}
if(!isValid()) {
debug("RIFF::AIFF::File::save() -- Trying to save invalid file.");
return false;
}
if(d->hasID3v2) {
removeChunk("ID3 ");
removeChunk("id3 ");
d->hasID3v2 = false;
}
if(tag() && !tag()->isEmpty()) {
setChunkData("ID3 ", d->tag->render());
d->hasID3v2 = true;
}
return true;
}
bool RIFF::AIFF::File::hasID3v2Tag() const
{
return d->hasID3v2;
}
////////////////////////////////////////////////////////////////////////////////
// private members
////////////////////////////////////////////////////////////////////////////////
void RIFF::AIFF::File::read(bool readProperties)
{
for(unsigned int i = 0; i < chunkCount(); ++i) {
const ByteVector name = chunkName(i);
if(name == "ID3 " || name == "id3 ") {
if(!d->tag) {
d->tag = new ID3v2::Tag(this, chunkOffset(i));
d->hasID3v2 = true;
}
else {
debug("RIFF::AIFF::File::read() - Duplicate ID3v2 tag found.");
}
}
}
if(!d->tag)
d->tag = new ID3v2::Tag();
if(readProperties)
d->properties = new Properties(this, Properties::Average);
}
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