431 lines
12 KiB
C++
431 lines
12 KiB
C++
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#include <boost/filesystem.hpp>
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#include <boost/foreach.hpp>
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#include <boost/thread.hpp>
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#include "Database.hpp"
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#include "Checksum.hpp"
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#include "AudioTypes.hpp"
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#include "transcode/InputMediaFile.hpp"
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Database::Database(boost::filesystem::path dbPath, MetaData::Parser& parser)
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: _db(dbPath),
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_metadataParser(parser)
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{
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}
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void
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Database::watchDirectory(WatchedDirectory directory)
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{
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_directories.push_back(directory);
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}
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void
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Database::unwatchDirectory(WatchedDirectory directory)
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{
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std::list<WatchedDirectory>::iterator it = std::find(_directories.begin(), _directories.end(), directory);
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if (it != _directories.end())
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_directories.erase(it);
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}
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void
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Database::refresh(void)
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{
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removeMissingAudioFiles();
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BOOST_FOREACH( const WatchedDirectory& directory, _directories) {
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switch (directory.getType()) {
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case WatchedDirectory::Audio:
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refreshAudioDirectory(directory.getPath());
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break;
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case WatchedDirectory::Video:
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refreshVideoDirectory(directory.getPath());
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break;
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default:
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assert(0);
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}
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}
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}
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void
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Database::processAudioFile( const boost::filesystem::path& file)
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{
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try {
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// Check last update time
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boost::posix_time::ptime lastWriteTime (boost::posix_time::from_time_t( boost::filesystem::last_write_time( file ) ) );
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Wt::Dbo::Transaction transaction(_db.getSession());
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// Skip file if last write is the same
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Wt::Dbo::ptr<Track> track = Track::getByPath(_db.getSession(), file);
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if (track && track->getLastWriteTime() == lastWriteTime)
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{
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std::cerr << "Skipped '" << file << "' (last write time match)" << std::endl;
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return;
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}
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std::vector<unsigned char> checksum;
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/* Compute CRC */
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computeCrc( file, checksum );
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// Skip file if its checksum is still the same
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if (track && track->getChecksum() == checksum) {
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std::cerr << "Skipped '" << file << "' (checksum match)" << std::endl;
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return;
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}
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std::cout << "parsing file " << file << std::endl;
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MetaData::Items items;
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_metadataParser.parse(file, items);
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// We estimate this is a audio file if:
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// - we found a least one audio
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// - there is no video stream
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// - the duration is not null
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Transcode::InputMediaFile mediaFile(file);
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/* if (!mediaFile.getStreams( Transcode::Stream::Video ).empty())
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{
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std::cerr << "Skipped '" << file << "' (estimated video)" << std::endl;
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return;
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}
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else */if (mediaFile.getStreams( Transcode::Stream::Audio ).empty())
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{
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std::cerr << "Skipped '" << file << "' (no audio stream found)" << std::endl;
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return;
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}
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else if (mediaFile.getDuration().total_seconds() == 0)
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{
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std::cerr << "Skipped '" << file << "' (duration null!)" << std::endl;
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// If Track exists here, delete it!
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if (track)
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track.remove();
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}
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std::string title;
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if (items.find(MetaData::Title) != items.end()) {
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title = boost::any_cast<std::string>(items[MetaData::Title]);
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}
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else
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{
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// TODO parse file name guess track etc.
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// For now juste use file name as title
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title = file.filename().string();
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}
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// ***** Artist
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Wt::Dbo::ptr<Artist> artist;
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if (items.find(MetaData::Artist) != items.end())
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{
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const std::string artistName (boost::any_cast<std::string>(items[MetaData::Artist]));
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artist = Artist::getByName(_db.getSession(), artistName );
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if (!artist)
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artist = Artist::create( _db.getSession(), artistName );
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}
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else
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artist = Artist::getNone(_db.getSession());
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assert(artist);
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// ***** Release
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Wt::Dbo::ptr<Release> release;
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if (items.find(MetaData::Album) != items.end())
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{
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const std::string albumName (boost::any_cast<std::string>(items[MetaData::Album]));
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release = Release::getByName(_db.getSession(), albumName);
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if (!release)
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release = Release::create( _db.getSession(), albumName );
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}
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else
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release = Release::getNone( _db.getSession() );
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assert(release);
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// ***** Genres
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typedef std::list<std::string> GenreList;
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GenreList genreList;
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std::vector< Genre::pointer > genres;
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if (items.find(MetaData::Genre) != items.end())
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{
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genreList = (boost::any_cast<GenreList>(items[MetaData::Genre]));
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BOOST_FOREACH(const std::string& genre, genreList) {
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Genre::pointer dbGenre ( Genre::getByName(_db.getSession(), genre) );
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if (!dbGenre)
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dbGenre = Genre::create(_db.getSession(), genre);
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genres.push_back( dbGenre );
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}
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}
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if (genres.empty())
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genres.push_back( Genre::getNone( _db.getSession() ));
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assert( !genres.empty() );
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// If file already exist, update data
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// Otherwise, create it
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if (!track)
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{
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// Create a new song
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track = Track::create(_db.getSession(), file, artist, release);
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std::cout << "Adding '" << file << "'" << std::endl;
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}
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else
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{
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std::cout << "Updating '" << file << "'" << std::endl;
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}
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assert(track);
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track.modify()->setChecksum(checksum);
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track.modify()->setLastWriteTime(lastWriteTime);
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track.modify()->setName(title);
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{
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std::string trackGenreList;
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// Product genre list
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BOOST_FOREACH(const std::string& genre, genreList) {
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if (!trackGenreList.empty())
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trackGenreList += ", ";
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trackGenreList += genre;
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}
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std::cout << "Genre list = " << trackGenreList << std::endl;
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track.modify()->setGenres( trackGenreList );
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}
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track.modify()->setGenres( genres );
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track.modify()->setArtist( artist );
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track.modify()->setRelease( release );
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if (items.find(MetaData::TrackNumber) != items.end())
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track.modify()->setTrackNumber( boost::any_cast<std::size_t>(items[MetaData::TrackNumber]) );
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if (items.find(MetaData::DiscNumber) != items.end())
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track.modify()->setDiscNumber( boost::any_cast<std::size_t>(items[MetaData::DiscNumber]) );
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if (items.find(MetaData::Duration) != items.end())
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track.modify()->setDuration( boost::any_cast<boost::posix_time::time_duration>(items[MetaData::Duration]) );
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if (items.find(MetaData::CreationTime) != items.end())
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track.modify()->setCreationTime( boost::any_cast<boost::posix_time::ptime>(items[MetaData::CreationTime]) );
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transaction.commit();
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}
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catch( std::exception& e ) {
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std::cerr << "Exception while parsing audio file : '" << file << "': '" << e.what() << "' => skipping!" << std::endl;
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}
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}
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void
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Database::refreshAudioDirectory( const boost::filesystem::path& p)
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{
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std::cout << "Refreshing audio directory " << p << std::endl;
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if (boost::filesystem::exists(p) && boost::filesystem::is_directory(p)) {
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typedef std::vector<boost::filesystem::path> Paths; // store paths,
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Paths files;
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std::copy(boost::filesystem::directory_iterator(p), boost::filesystem::directory_iterator(), std::back_inserter(files));
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BOOST_FOREACH(const boost::filesystem::path& file, files) {
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boost::this_thread::interruption_point();
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try {
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if (boost::filesystem::is_directory(file)) {
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refreshAudioDirectory( file );
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}
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else if (boost::filesystem::is_regular(file)) {
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processAudioFile( file );
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}
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else {
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std::cout << "Skipped '" << file << "' (not regular)" << std::endl;
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}
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}
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catch(std::exception& e) {
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std::cerr << "Exception while accessing '" << file << ": " << e.what() << std::endl;
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}
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}
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}
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std::cout << "Refreshing audio directory " << p << ": DONE" << std::endl;
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}
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void
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Database::removeMissingAudioFiles( void )
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{
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std::cerr << "Removing missing files..." << std::endl;
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Wt::Dbo::Transaction transaction(_db.getSession());
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typedef Wt::Dbo::collection< Wt::Dbo::ptr<Track> > Tracks;
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Tracks tracks = Track::getAll(_db.getSession());
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for (Tracks::iterator i = tracks.begin(); i != tracks.end(); ++i)
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{
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const boost::filesystem::path p ((*i)->getPath() );
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if (!boost::filesystem::exists( p )
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|| !boost::filesystem::is_regular( p ) )
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{
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(*i).remove();
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std::cerr << "Removing file '" << p << "'" << std::endl;
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}
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}
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transaction.commit();
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std::cerr << "Refrshing missing files done!" << std::endl;
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}
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Path::pointer
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Database::getAddPath(const boost::filesystem::path& path)
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{
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Path::pointer res;
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Path::pointer parentDirectory;
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if (path.has_parent_path())
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parentDirectory = Path::getByPath(_db.getSession(), path.parent_path());
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res = Path::getByPath(_db.getSession(), path);
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if (!res)
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res = Path::create(_db.getSession(), path, parentDirectory);
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else
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{
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// Make sure the parent directory owns the child
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if (parentDirectory && !res->getParent())
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parentDirectory.modify()->addChild( res );
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}
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return res;
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}
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void
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Database::refreshVideoDirectory( const boost::filesystem::path& path)
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{
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std::cout << "Refreshing video directory " << path << std::endl;
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if (boost::filesystem::exists(path) && boost::filesystem::is_directory(path))
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{
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// Add this directory in the database
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{
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Wt::Dbo::Transaction transaction(_db.getSession());
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Path::pointer pathDirectory = getAddPath(path);
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assert( pathDirectory->isDirectory() );
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transaction.commit();
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}
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// Now process all files/dirs in directory
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typedef std::vector<boost::filesystem::path> Paths; // store paths,
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Paths pathChildren;
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std::copy(boost::filesystem::directory_iterator(path), boost::filesystem::directory_iterator(), std::back_inserter(pathChildren));
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BOOST_FOREACH(const boost::filesystem::path& pathChild, pathChildren) {
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if (boost::filesystem::is_directory(pathChild)) {
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refreshVideoDirectory( pathChild );
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}
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else if (boost::filesystem::is_regular(pathChild)) {
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processVideoFile( pathChild );
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}
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else {
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std::cout << "Skipped '" << pathChild << "' (not regular)" << std::endl;
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}
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}
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}
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std::cout << "Refreshing video directory " << path << ": DONE" << std::endl;
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}
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void
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Database::processVideoFile( const boost::filesystem::path& file)
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{
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try {
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// Check last update time
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boost::posix_time::ptime lastWriteTime (boost::posix_time::from_time_t( boost::filesystem::last_write_time( file ) ) );
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Wt::Dbo::Transaction transaction(_db.getSession());
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// Skip file if last write is the same
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Path::pointer dbPath = Path::getByPath(_db.getSession(), file);
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if (dbPath && dbPath->getLastWriteTime() == lastWriteTime)
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{
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std::cerr << "Skipped '" << file << "' (last write time match)" << std::endl;
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return;
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}
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std::cout << "Video, parsing file " << file << std::endl;
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// TODO try to open the video file and get info on it
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Transcode::InputMediaFile mediaFile(file);
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// We estimate this is a video if:
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// - we found a least one video stream
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// - the duration is not null
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std::vector<Transcode::Stream> videoStreams(mediaFile.getStreams( Transcode::Stream::Video ));
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if (videoStreams.empty())
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{
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std::cerr << "Skipped '" << file << "' (no video stream found!)" << std::endl;
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// If Path exist, delete it!
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if (dbPath)
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dbPath.remove();
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}
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else if (mediaFile.getDuration().total_seconds() == 0)
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{
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std::cerr << "Skipped '" << file << "' (duration null!)" << std::endl;
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// If Path exist, delete it!
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if (dbPath)
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dbPath.remove();
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}
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else
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{
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// add Path if needed
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if (!dbPath)
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dbPath = getAddPath( file );
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dbPath.modify()->setLastWriteTime( lastWriteTime );
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assert(dbPath);
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// Valid video here
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// Today we are very aggressive, but we could also guess names from path, etc.
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Video::pointer video = dbPath.modify()->getVideo();
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if (!video) {
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video = Video::create(_db.getSession(), dbPath);
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std::cout << "Adding '" << file << "'" << std::endl;
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}
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else
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std::cout << "Updating '" << file << "'" << std::endl;
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assert(video);
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video.modify()->setName( file.filename().string() );
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video.modify()->setDuration( mediaFile.getDuration() );
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}
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transaction.commit();
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}
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catch( std::exception& e ) {
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std::cerr << "Exception while parsing video file : '" << file << "': '" << e.what() << "' => skipping!" << std::endl;
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}
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}
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