1 /* 2 * Copyright (C) 2006-2011 David Robillard <d@drobilla.net> 3 * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 */ 19 20 #ifndef __ardour_source_factory_h__ 21 #define __ardour_source_factory_h__ 22 23 #include <string> 24 #include <stdint.h> 25 #include <boost/shared_ptr.hpp> 26 27 #include <glibmm/threads.h> 28 29 #include "ardour/source.h" 30 31 class XMLNode; 32 33 namespace ARDOUR { 34 35 class Session; 36 class AudioSource; 37 class Playlist; 38 39 class LIBARDOUR_API SourceFactory { 40 public: 41 static void init (); 42 43 static PBD::Signal1<void,boost::shared_ptr<Source> > SourceCreated; 44 45 static boost::shared_ptr<Source> create (Session&, const XMLNode& node, bool async = false); 46 static boost::shared_ptr<Source> createSilent (Session&, const XMLNode& node, 47 samplecnt_t nframes, float sample_rate); 48 49 static boost::shared_ptr<Source> createExternal 50 (DataType type, Session&, 51 const std::string& path, 52 int chn, Source::Flag flags, bool announce = true, bool async = false); 53 54 static boost::shared_ptr<Source> createWritable 55 (DataType type, Session&, 56 const std::string& path, 57 samplecnt_t rate, bool announce = true, bool async = false); 58 59 60 static boost::shared_ptr<Source> createForRecovery 61 (DataType type, Session&, const std::string& path, int chn); 62 63 static boost::shared_ptr<Source> createFromPlaylist 64 (DataType type, Session& s, boost::shared_ptr<Playlist> p, const PBD::ID& orig, const std::string& name, 65 uint32_t chn, sampleoffset_t start, samplecnt_t len, bool copy, bool defer_peaks); 66 67 static Glib::Threads::Cond PeaksToBuild; 68 static Glib::Threads::Mutex peak_building_lock; 69 static std::list< boost::weak_ptr<AudioSource> > files_with_peaks; 70 71 static int peak_work_queue_length (); 72 static int setup_peakfile (boost::shared_ptr<Source>, bool async); 73 }; 74 75 } 76 77 #endif /* __ardour_source_factory_h__ */ 78