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/***************************************************************************
* Copyright (C) 2008-2011 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <cstring>
#include <iostream>
#include "xiphcomment.h"
#include "id3v2tag.h"
#include "textidentificationframe.h"
#include "fileref.h"
#include "mpegfile.h"
#include "vorbisfile.h"
#include "flacfile.h"
using std::cout;
bool framelist_empty(const TagLib::ID3v2::FrameList &fl)
{
TagLib::ID3v2::FrameList::ConstIterator it = fl.begin();
while (it != fl.end())
if (!((*it++)->toString() == TagLib::String::null))
return false;
return true;
}
bool write_id3v2_aa(TagLib::ID3v2::Tag *tag, const TagLib::String &artist)
{
using TagLib::ID3v2::TextIdentificationFrame;
TagLib::ByteVector type = "TPE2";
if (!framelist_empty(tag->frameList(type)))
return false;
TextIdentificationFrame *frame = new TextIdentificationFrame(type, TagLib::String::UTF8);
frame->setText(artist);
tag->addFrame(frame);
return true;
}
bool write_xiphcomment_aa(TagLib::Ogg::XiphComment *tag, const TagLib::String &artist)
{
if (tag->contains("ALBUM ARTIST"))
return false;
tag->addField("ALBUM ARTIST", artist, true);
return true;
}
void convert(int n, char **files, bool dry_run)
{
if (n == 0)
{
cout << "No files to convert, exiting.\n";
return;
}
if (dry_run)
cout << "Dry run mode enabled, pretending to modify files.\n";
for (int i = 0; i < n; ++i)
{
cout << "Modifying " << files[i] << "... ";
TagLib::FileRef f(files[i]);
if (!f.isNull())
{
TagLib::String artist = f.tag()->artist();
if (!(artist == TagLib::String::null))
{
TagLib::MPEG::File *mp3_f = 0;
TagLib::Ogg::Vorbis::File *ogg_f = 0;
TagLib::FLAC::File *flac_f = 0;
bool success;
if ((mp3_f = dynamic_cast<TagLib::MPEG::File *>(f.file())))
{
success = write_id3v2_aa(mp3_f->ID3v2Tag(true), artist);
}
else if ((ogg_f = dynamic_cast<TagLib::Ogg::Vorbis::File *>(f.file())))
{
success = write_xiphcomment_aa(ogg_f->tag(), artist);
}
else if ((flac_f = dynamic_cast<TagLib::FLAC::File *>(f.file())))
{
success = write_xiphcomment_aa(flac_f->xiphComment(true), artist);
}
else
{
cout << "Not mp3/ogg/flac file, skipping.\n";
continue;
}
if (success)
{
if (!dry_run)
f.save();
cout << "Done.\n";
}
else
cout << "AlbumArtist is already here, skipping.\n";
}
else
cout << "Artist not found, skipping.\n";
}
else
cout << "Could not open file, skipping.\n";
}
}
int main(int argc, char **argv)
{
if (argc < 2)
{
cout << "This little program copies Artist tag (if present) to\n";
cout << "AlbumArtist (if not present) for given mp3/ogg/flac files.\n\n";
cout << "Usage: " << argv[0] << " [--dry-run] files\n";
}
else
{
bool dry_run = !strcmp(argv[1], "--dry-run");
convert(argc-1-dry_run, &argv[1+dry_run], dry_run);
}
return 0;
}
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