//***************************************************************************
QString Kwave::MP3Decoder::parseId3Frame2String(const ID3_Frame *frame)
{
QString s;
char *text = ID3_GetString(frame, ID3FN_TEXT);
if (text && strlen(text)) {
s = _(text);
ID3_FreeString(text);
}
return s;
}
//***************************************************************************
bool Kwave::MP3Decoder::parseID3Tags(ID3_Tag &tag)
{
if (tag.NumFrames() < 1) return true; // no tags, nothing to do
QDate creation_date;
QTime creation_time;
int year = -1;
int month = -1;
int day = -1;
ID3_Tag::Iterator *it = tag.CreateIterator();
ID3_Frame *frame = 0;
Kwave::FileInfo info(metaData());
while (it && (frame = it->GetNext())) {
const ID3_FrameID id = frame->GetID();
const Kwave::FileProperty property = m_property_map.property(id);
const ID3_PropertyMap::Encoding encoding = m_property_map.encoding(id);
switch (encoding) {
case ID3_PropertyMap::ENC_TEXT_PARTINSET:
{
QString s = parseId3Frame2String(frame);
int cd = 0;
int cds = 0;
if (s.contains(QLatin1Char('/'))) {
int i = s.indexOf(QLatin1Char('/'));
cd = s.left(i).toInt();
cds = s.mid(i + 1).toInt();
} else {
cd = s.toInt();
}
if (cd > 0) info.set(Kwave::INF_CD , QVariant(cd));
if (cds > 0) info.set(Kwave::INF_CDS, QVariant(cds));
break;
}
case ID3_PropertyMap::ENC_TRACK_NUM:
{
QString s = parseId3Frame2String(frame);
int track = 0;
int tracks = 0;
if (s.contains(QLatin1Char('/'))) {
int i = s.indexOf(QLatin1Char('/'));
track = s.left(i).toInt();
tracks = s.mid(i + 1).toInt();
} else {
track = s.toInt();
}
if (track > 0) info.set(Kwave::INF_TRACK , QVariant(track));
if (tracks > 0) info.set(Kwave::INF_TRACKS, QVariant(tracks));
break;
}
case ID3_PropertyMap::ENC_TERMS_OF_USE:
// the same as ENC_COMMENT, but without "Description"
/* FALLTHROUGH */
case ID3_PropertyMap::ENC_COMMENT:
{
QString s = parseId3Frame2String(frame);
// optionally prepend language
char *lang = ID3_GetString(frame, ID3FN_LANGUAGE);
if (lang) {
s = _("[") + _(lang) + _("] ") + s;
ID3_FreeString(lang);
}
// append to already existing tag, separated by a slash
if (info.contains(property))
s = info.get(property).toString() + _(" / ") + s;
info.set(property, QVariant(s));
break;
}
case ID3_PropertyMap::ENC_GENRE_TYPE:
{
QString s = parseId3Frame2String(frame);
int genre = Kwave::GenreType::fromID3(s);
if (genre >= 0)
s = Kwave::GenreType::name(genre, false);
info.set(property, QVariant(s));
break;
}
case ID3_PropertyMap::ENC_LENGTH:
{
// length in ms -> convert this to samples
QString s = parseId3Frame2String(frame);
const double rate = info.rate();
bool ok = false;
const double ms = s.toDouble(&ok) + 0.5;
if (ok && (rate > 0)) {
// NOTE: this overwrites the length found in the header!
sample_index_t length = static_cast<sample_index_t>(
(rate * ms) / 1000.0);
info.setLength(length);
}
break;
}
case ID3_PropertyMap::ENC_TEXT_TIMESTAMP:
{
if (!creation_date.isValid()) {
QString s = parseId3Frame2String(frame);
switch (id)
{
case ID3FID_RECORDINGDATES:
// should be a ISO 8601 timestamp or similar
s = Kwave::string2date(s);
if (s.length())
creation_date =
QDate::fromString(s, Qt::ISODate);
break;
case ID3FID_DATE: {
// DDMM
unsigned int ddmm = s.toUInt();
day = ddmm / 100;
month = ddmm % 100;
break;
}
case ID3FID_YEAR: /* FALLTHROUGH */
case ID3FID_ORIGYEAR:
// YYYY
year = s.toUInt();
break;
default:
break;
}
}
if (creation_time.isValid()) {
switch (id)
{
case ID3FID_TIME:
creation_time = QTime::fromString(_("hhmm"));
break;
default:
break;
}
}
break;
}
case ID3_PropertyMap::ENC_TEXT_SLASH:
{
// append to already existing tag, separated by a slash
QString s = parseId3Frame2String(frame);
if (info.contains(property))
s = info.get(property).toString() + _(" / ") + s;
info.set(property, QVariant(s));
break;
}
case ID3_PropertyMap::ENC_TEXT_URL: /* FALLTHROUGH */
case ID3_PropertyMap::ENC_TEXT:
info.set(property, QVariant(parseId3Frame2String(frame)));
break;
case ID3_PropertyMap::ENC_NONE: /* FALLTHROUGH */
default:
{
QString s = parseId3Frame2String(frame);
qWarning("unsupported ID3 tag: %d, descr: '%s', text: '%s'",
id, frame->GetDescription(), DBG(s));
break;
}
}
}
/*
* try to build a valid creation date/time
*/
if (!creation_date.isValid()) {
// no complete creation date - try to reassemble from found y/m/d
creation_date = QDate(year, month, day);
}
if (creation_date.isValid() && creation_time.isValid()) {
// full date + time
QDateTime dt(creation_date, creation_time);
info.set(Kwave::INF_CREATION_DATE, dt.toString(
_("yyyy-MM-ddTHH:mm:ss")));
} else if (creation_date.isValid()) {
// date without time
info.set(Kwave::INF_CREATION_DATE, creation_date.toString(
_("yyyy-MM-dd")));
} else if (year > 0) {
// only year
creation_date = QDate(year, 1, 1);
info.set(Kwave::INF_CREATION_DATE, creation_date.toString(_("yyyy")));
}
metaData().replace(Kwave::MetaDataList(info));
return true;
}
int main(int argc, char* argv[]) {
// Parse any command-line options.
namespace po = boost::program_options;
po::options_description desc("Allowed options");
desc.add_options()
("help", "show help")
("debug-httpd", po::value<bool>(&mp3d_debug_httpd), "show httpd debug output")
("root", po::value<std::string>(&mp3d_music_root), "root of file system mp3 tree")
("port", po::value<int>(&mp3d_port), "httpd port number")
;
po::variables_map args;
po::store(po::parse_command_line(argc, argv, desc), args);
po::notify(args);
if (args.count("help")) {
std::cout << desc << std::endl;
return 1;
}
// Index all the mp3s.
Paths paths;
find_mp3_files(mp3d_music_root, paths);
std::cerr << ".mp3 files found: " << paths.size() << std::endl;
int old_percentage = -1;
size_t id = 0;
for (Paths::const_iterator it = paths.begin(); it != paths.end(); ++it) {
Mp3Info mp3;
mp3.filename = (*it).string();
const ID3_Tag tag(mp3.filename.c_str());
ID3_Tag::ConstIterator* it = tag.CreateIterator();
for (size_t i = 0; i < tag.NumFrames(); ++i) {
const ID3_Frame* frame = it->GetNext();
if (frame != 0) {
std::string* dst;
switch (frame->GetID()) {
case ID3FID_ALBUM: dst = &mp3.album; break;
case ID3FID_LEADARTIST: dst = &mp3.artist; break;
case ID3FID_TITLE: dst = &mp3.title; break;
default: continue;
}
char* text = ID3_GetString(frame, ID3FN_TEXT);
dst->assign(text);
ID3_FreeString(text);
}
}
// FIXME: maybe a hash, to enable bookmarks?
mp3.id = id++;
all_mp3s.push_back(mp3);
// Show progress. Not really useful when we're not debugging.
// FIXME: start the web server straight away, and say "Indexing..." there.
const int new_percentage = (100*all_mp3s.size())/paths.size();
if (new_percentage != old_percentage) {
std::cout << "\rScanned: " << new_percentage << "%" << std::flush;
old_percentage = new_percentage;
}
}
std::cout << "\r.mp3 files scanned: " << all_mp3s.size() << std::endl;
// Set up the static files we need to serve.
read_static_file("/static/add.png",
"/usr/share/icons/gnome/16x16/actions/gtk-add.png");
read_static_file("/static/play.png",
"/usr/share/icons/gnome/16x16/actions/gtk-media-play-ltr.png");
read_static_file("/static/remove.png",
"/usr/share/icons/gnome/16x16/actions/gtk-remove.png");
static_file_map["/static/site.css"] = make_css();
// Start the mp3 player thread.
boost::thread mp3_player_thread(mp3_play_loop);
// Start the HTTP server.
std::cerr << "Starting HTTP server on port " << mp3d_port << "..." << std::endl;
const int mhd_flags = MHD_USE_SELECT_INTERNALLY;
MHD_Daemon* daemon = MHD_start_daemon(mhd_flags, mp3d_port, 0, 0, &handle_request, 0, MHD_OPTION_END);
if (daemon == 0) {
fail("MHD_start_daemon failed!");
}
getchar(); // Wait for the user to hit enter.
MHD_stop_daemon(daemon);
//mp3_player_thread.join();
return 0;
}
