PT import: Minor changes to session

libs/ardour/ardour/session.h

@@ -41,6 +41,7 @@
 #include <glibmm/threads.h>
 
 #include <ltc.h>
+#include <ptfformat.h>
 
 #include "pbd/error.h"
 #include "pbd/event_loop.h"
@@ -302,6 +303,8 @@ public:
 	boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
 	boost::shared_ptr<RouteList> get_routes_with_regions_at (samplepos_t const) const;
 
+	boost::shared_ptr<AudioTrack> get_nth_audio_track (int nth) const;
+
 	uint32_t nstripables (bool with_monitor = false) const;
 	uint32_t nroutes() const { return routes.reader()->size(); }
 	uint32_t ntracks () const;
@@ -1198,6 +1201,9 @@ public:
 	bool   transport_master_is_external() const;
 	boost::shared_ptr<TransportMaster> transport_master() const;
 
+	void import_pt (PTFFormat& ptf, ImportStatus& status);
+	bool import_sndfile_as_region (std::string path, SrcQuality quality, samplepos_t& pos, SourceList& sources, ImportStatus& status);
+
 protected:
 	friend class AudioEngine;
 	void set_block_size (pframes_t nframes);

libs/ardour/session.cc

@@ -6460,6 +6460,25 @@ Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route>
 	}
 }
 
+boost::shared_ptr<AudioTrack>
+Session::get_nth_audio_track (int nth) const
+{
+	boost::shared_ptr<RouteList> rl = routes.reader ();
+	rl->sort (Stripable::Sorter ());
+
+	for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
+		if (!boost::dynamic_pointer_cast<AudioTrack> (*r)) {
+			continue;
+		}
+
+		if (--nth > 0) {
+			continue;
+		}
+		return boost::dynamic_pointer_cast<AudioTrack> (*r);
+	}
+	return boost::shared_ptr<AudioTrack> ();
+}
+
 boost::shared_ptr<RouteList>
 Session::get_tracks () const
 {

libs/ardour/wscript

@@ -103,6 +103,7 @@ libardour_sources = [
         'iec1ppmdsp.cc',
         'iec2ppmdsp.cc',
         'import.cc',
+        'import_pt.cc',
         'instrument_info.cc',
         'internal_return.cc',
         'internal_send.cc',
@@ -399,6 +400,7 @@ def build(bld):
                         'libaudiographer',
                         'libtemporal',
                         'liblua',
+                        'libptformat',
                         'zita-resampler',
                         ]
     if bld.env['build_target'] != 'mingw':