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/***************************************************************************
copyright : (C) 2011 by Mathias Panzenböck
email : grosser.meister.morti@gmx.net
***************************************************************************/
/***************************************************************************
* 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 *
***************************************************************************/
#include "modfile.h"
#include "tstringlist.h"
#include "modfileprivate.h"
using namespace TagLib;
using namespace Mod;
class Mod::File::FilePrivate
{
public:
FilePrivate(AudioProperties::ReadStyle propertiesStyle)
: properties(propertiesStyle)
{
}
Mod::Tag tag;
Mod::Properties properties;
};
Mod::File::File(FileName file, bool readProperties,
AudioProperties::ReadStyle propertiesStyle) :
Mod::FileBase(file),
d(new FilePrivate(propertiesStyle))
{
read(readProperties);
}
Mod::File::File(IOStream *stream, bool readProperties,
AudioProperties::ReadStyle propertiesStyle) :
Mod::FileBase(stream),
d(new FilePrivate(propertiesStyle))
{
read(readProperties);
}
Mod::File::~File()
{
delete d;
}
Mod::Tag *Mod::File::tag() const
{
return &d->tag;
}
Mod::Properties *Mod::File::audioProperties() const
{
return &d->properties;
}
bool Mod::File::save()
{
seek(0);
writeString(d->tag.title(), 20, ' ');
// TODO: write comment as instrument names
return true;
}
void Mod::File::read(bool)
{
if(!isOpen())
return;
seek(1080);
ByteVector modId = readBlock(4);
READ_ASSERT(modId.size() == 4);
int channels = 4;
int instruments = 31;
if(modId == "M.K." || modId == "M!K!" || modId == "M&K!" || modId == "N.T.")
{
d->tag.setTrackerName("ProTracker");
channels = 4;
}
else if(modId.startsWith("FLT") || modId.startsWith("TDZ"))
{
d->tag.setTrackerName("StarTrekker");
char digit = modId[3];
READ_ASSERT(digit >= '0' && digit <= '9');
channels = digit - '0';
}
else if(modId.endsWith("CHN"))
{
d->tag.setTrackerName("StarTrekker");
char digit = modId[0];
READ_ASSERT(digit >= '0' && digit <= '9');
channels = digit - '0';
}
else if(modId == "CD81" || modId == "OKTA")
{
d->tag.setTrackerName("Atari Oktalyzer");
channels = 8;
}
else if(modId.endsWith("CH") || modId.endsWith("CN"))
{
d->tag.setTrackerName("TakeTracker");
char digit = modId[0];
READ_ASSERT(digit >= '0' && digit <= '9');
channels = (digit - '0') * 10;
digit = modId[1];
READ_ASSERT(digit >= '0' && digit <= '9');
channels += digit - '0';
}
else
{
d->tag.setTrackerName("NoiseTracker"); // probably
channels = 4;
instruments = 15;
}
d->properties.setChannels(channels);
d->properties.setInstrumentCount(instruments);
seek(0);
READ_STRING(d->tag.setTitle, 20);
StringList comment;
for(int i = 0; i < instruments; ++ i)
{
READ_STRING_AS(instrumentName, 22);
READ_U16B_AS(instrumentLength);
READ_BYTE_AS(fineTuneByte);
int fineTune = fineTuneByte & 0xF;
// > 7 means nagative value
if(fineTune > 7) fineTune -= 16;
READ_BYTE_AS(volume);
if(volume > 64) volume = 64;
READ_U16B_AS(repeatStart);
// (int)repatStart << 1;
READ_U16B_AS(repatLength);
// (int)repatLength << 1;
comment.append(instrumentName);
}
READ_BYTE(d->properties.setPatternCount);
d->tag.setComment(comment.toString("\n"));
}
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