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/* emms-print-metadata.cpp --- Info function for TagLib
Copyright (C) 2016 Free Software Foundation, Inc.
Author: Petteri Hintsanen <petterih@iki.fi>
This file is part of EMMS.
EMMS 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 3, or (at your option)
any later version.
EMMS 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 EMMS; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include <taglib/fileref.h>
#include <taglib/tag.h>
#include <taglib/tpropertymap.h>
#include <iostream>
static const char* const tags_to_extract[] = {
"album",
"albumsort",
"albumartist",
"albumartistsort",
"artist",
"artistsort",
"composer",
"composersort",
"performer",
"year",
"originalyear",
"date",
"originaldate",
"genre",
"label",
"title",
"titlesort",
"tracknumber",
"discnumber"
};
void print_tag (const TagLib::PropertyMap& tags, const std::string& tag);
int
main (int argc, char* argv[])
{
if (argc != 2)
{
std::cerr << argv[0] << ": "
<< "usage: emms-print-metadata FILENAME"
<< std::endl
<< "FILENAME must end to one of these extensions: "
<< TagLib::FileRef::defaultFileExtensions ().toString ()
<< std::endl;
return 1;
}
TagLib::FileRef file (argv[1]);
if (file.isNull ()) {
std::cerr << argv[0] << ": "
<< argv[1] << ": "
<< "file does not exist or is of an unknown type"
<< std::endl;
return 1;
}
const TagLib::PropertyMap tags = file.file ()->properties ();
if (tags.isEmpty ()) {
std::cerr << argv[0] << ": "
<< argv[1] << ": "
<< "file does not have tags or is of an unknown type"
<< std::endl;
return 1;
}
for (unsigned int i = 0; i < sizeof (tags_to_extract) / sizeof (char*);
i++)
{
print_tag (tags, tags_to_extract[i]);
}
int length = 0;
if (file.audioProperties ())
{
const TagLib::AudioProperties* properties = file.audioProperties ();
length = properties->length ();
}
std::cout << "info-playing-time=" << length << std::endl;
return 0;
}
void
print_tag (const TagLib::PropertyMap& tags, const std::string& tag)
{
TagLib::StringList values = tags[tag];
if (!values.isEmpty ())
{
const TagLib::String& value = values.front ();
std::cout << "info-" << tag << "=" << value.to8Bit (true) << std::endl;
}
}
/* emms-print-taglib-metadata.cpp ends here. */
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