int read_db(char *filename)
{
char line[LINEMAX];
char path[LINEMAX];
FILE *in = fopen(filename, "r");
if(in == NULL) {
printf("could not open database.\n");
return 0;
}
num_artists = 0;
while(fgets(line, LINEMAX, in) != NULL)
{
artist curr_artist;
album curr_album;
/* consume blank lines */
while(line[0] == '\n')
fgets(line, LINEMAX, in);
curr_artist = add_artist(strip_nl(line));
fgets(line, LINEMAX, in);
curr_album = add_album(curr_artist, strip_nl(line));
while(fgets(line, LINEMAX, in) != NULL) {
if(line[0] != '\n') {
fgets(path, LINEMAX, in);
add_song(curr_album, strip_nl(line), strip_nl(path));
} else
break;
}
}
fclose(in);
return 1;
}
void import_flac_file(const std::string& filename)
{
//std::cerr << "import_flac_file " << filename << std::endl;
TagLib::FLAC::File file(filename.c_str());
auto tag = file.tag();
auto artist_name = tag->artist().to8Bit(true);
auto album_title = tag->album().to8Bit(true);
auto track_title = tag->title().to8Bit(true);
auto artist = dm::artist::find_by_name(artist_name);
if ( artist.is_null() )
{
// Create artist.
artist.name(artist_name);
artist.save();
}
auto album = artist.find_album_by_title(album_title);
if ( album.is_null() )
{
// Create album.
album.title(album_title);
album.member("artist", json::object{ { "id", artist.id() }, { "name", artist.name() } });
album.save();
// Add album to artist albums.
artist.add_album(album);
artist.save();
}
auto track = album.find_track_by_title_and_number(track_title, tag->track());
// Set/update track attributes.
track.title(track_title);
track.track_number(tag->track());
track.disc_number(1);
// Create track source object.
json::object source{ { "name", "local" }, { "uri", filename } };
TagLib::FLAC::Properties* properties = file.audioProperties();
if ( properties )
{
track.duration(properties->length());
}
TagLib::Ogg::XiphComment* xiph_comment = file.xiphComment();
if ( xiph_comment )
{
auto field_map = xiph_comment->fieldListMap();
json::object replaygain;
for ( auto& field : field_map )
{
if ( field.first == "TRACK NUMBER" || field.first == "TRACKNUMBER" )
{
if ( field.second.size() > 0 ) {
track.track_number(std::stoi(field.second[0].to8Bit()));
}
else {
std::cerr << "field='" << field.first << "' string list size=" << field.second.size() << std::endl;
}
}
else if ( field.first == "DISC NUMBER" || field.first == "DISCNUMBER" )
{
if ( field.second.size() > 0 ) {
track.disc_number(std::stoi(field.second[0].to8Bit()));
}
else {
std::cerr << "field='" << field.first << "' string list size=" << field.second.size() << std::endl;
}
}
else if ( field.first == "REPLAYGAIN_REFERENCE_LOUDNESS" )
{
auto ref_loudness = std::stod(field.second[0].to8Bit());
replaygain["reference_loudness"] = ref_loudness;
}
else if ( field.first == "REPLAYGAIN_TRACK_GAIN" )
{
auto gain = std::stod(field.second[0].to8Bit());
replaygain["track_gain"] = gain;
}
}
if ( !replaygain.empty() ) {
source["replaygain"] = replaygain;
}
}
const TagLib::List<TagLib::FLAC::Picture*>& images = file.pictureList();
if ( images.size() > 0 )
{
TagLib::FLAC::Picture* image = images[0];
if ( image->mimeType() == "image/jpeg" )
{
auto cover = dm::album_cover::find_by_album_id(album.id());
if ( cover.is_null() )
{
cover.format("jpg");
cover.data(reinterpret_cast<const char*>(image->data().data()), image->data().size());
cover.save();
}
}
else
{
std::cerr << "unhandled image mime type - " << filename << " images=" << images.size() << ", mime type " << image->mimeType() << std::endl;
}
}
track.artist(artist);
track.album(album);
track.source(std::move(source));
if ( track.id_is_null() )
{
// Create track id.
track.save();
// Add new track to album.
album.add_track(track);
album.save();
}
else
{
track.save();
}
}