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metaio.cpp
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/
metaio.cpp
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// Mythmusic
#include "metaio.h"
#include "metadata.h"
// Libmyth
#include <mythcontext.h>
/*!
* \brief Constructor
*/
MetaIO::MetaIO()
{
mFilenameFormat = gCoreContext->GetSetting("NonID3FileNameFormat").toUpper();
}
/*!
* \brief Destructor
*/
MetaIO::~MetaIO()
{
}
/*!
* \brief Reads Metadata based on the folder/filename.
*
* \param filename The filename to try and determine metadata for.
* \returns Metadata Pointer, or NULL on error.
*/
void MetaIO::readFromFilename(const QString &filename,
QString &artist, QString &album, QString &title,
QString &genre, int &tracknum)
{
QString lfilename = filename;
// Clear
artist.clear();
album.clear();
title.clear();
genre.clear();
tracknum = 0;
int part_num = 0;
// Replace
lfilename.replace('_', ' ');
lfilename.section('.', 0, -2);
QStringList fmt_list = mFilenameFormat.split("/");
QStringList::iterator fmt_it = fmt_list.begin();
// go through loop once to get minimum part number
for (; fmt_it != fmt_list.end(); ++fmt_it, --part_num) {}
// reset to go through loop for real
fmt_it = fmt_list.begin();
for(; fmt_it != fmt_list.end(); ++fmt_it, ++part_num)
{
QString part_str = lfilename.section( "/", part_num, part_num);
if ( *fmt_it == "GENRE" )
genre = part_str;
else if ( *fmt_it == "ARTIST" )
artist = part_str;
else if ( *fmt_it == "ALBUM" )
album = part_str;
else if ( *fmt_it == "TITLE" )
title = part_str;
else if ( *fmt_it == "TRACK_TITLE" )
{
QStringList tracktitle_list = part_str.split("-");
if (tracktitle_list.size() > 1)
{
tracknum = tracktitle_list[0].toInt();
title = tracktitle_list[1].simplified();
}
else
title = part_str;
}
else if ( *fmt_it == "ARTIST_TITLE" )
{
QStringList artisttitle_list = part_str.split("-");
if (artisttitle_list.size() > 1)
{
artist = artisttitle_list[0].simplified();
title = artisttitle_list[1].simplified();
}
else
{
if (title.isEmpty())
title = part_str;
if (artist.isEmpty())
title = part_str;
}
}
}
}
/*!
* \brief Reads Metadata based on the folder/filename.
*
* \note Just an overloaded wrapper around the other method above.
*
* \param filename The filename to try and determine metadata for.
* \returns Metadata Pointer, or NULL on error.
*/
Metadata* MetaIO::readFromFilename(const QString &filename, bool blnLength)
{
QString artist, album, title, genre;
int tracknum = 0, length = 0;
readFromFilename(filename, artist, album, title, genre, tracknum);
if (blnLength)
length = getTrackLength(filename);
Metadata *retdata = new Metadata(filename, artist, "", album, title, genre,
0, tracknum, length);
return retdata;
}
/*!
* \brief Reads Metadata based on the folder/filename.
*
* \param metadata Metadata Pointer
*/
void MetaIO::readFromFilename(Metadata* metadata)
{
QString artist, album, title, genre;
int tracknum = 0;
const QString filename = metadata->Filename();
if (filename.isEmpty())
return;
readFromFilename(filename, artist, album, title, genre, tracknum);
if (metadata->Artist().isEmpty())
metadata->setArtist(artist);
if (metadata->Album().isEmpty())
metadata->setAlbum(album);
if (metadata->Title().isEmpty())
metadata->setTitle(title);
if (metadata->Genre().isEmpty())
metadata->setGenre(genre);
if (metadata->Track() <= 0)
metadata->setTrack(tracknum);
}