X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsource.cc;h=f08d08b86e4e529fe316923ee3052265ef542ecc;hb=22dc575e4cbc35a5d486d6f448332fb721865d57;hp=eebc64d46392a52804a9e36c02d28c8309d9499c;hpb=79986643c0c904f6574bb5323e2233a43a9e622e;p=ardour.git

diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index eebc64d463..f08d08b86e 100644
--- a/libs/ardour/source.cc
+++ b/libs/ardour/source.cc
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <sys/stat.h>
@@ -28,39 +27,54 @@
 #include <cmath>
 #include <iomanip>
 #include <algorithm>
+#include <fstream>
 
 #include <glibmm/thread.h>
+#include <glibmm/miscutils.h>
+#include <glibmm/fileutils.h>
 #include <pbd/xml++.h>
 #include <pbd/pthread_utils.h>
 
 #include <ardour/source.h>
+#include <ardour/playlist.h>
+#include <ardour/session.h>
+#include <ardour/transient_detector.h>
 
 #include "i18n.h"
 
-using std::min;
-using std::max;
-
+using namespace std;
 using namespace ARDOUR;
 
-Source::Source (string name)
+Source::Source (Session& s, const string& name, DataType type)
+	: SessionObject(s, name)
+	, _type(type)
 {
-	_name = name;
-	_use_cnt = 0;
+	// not true.. is this supposed to be an assertion?
+	//assert(_name.find("/") == string::npos);
+
+	_analysed = false;
 	_timestamp = 0;
+	_length = 0;
+	_in_use = 0;
 }
 
-Source::Source (const XMLNode& node) 
+Source::Source (Session& s, const XMLNode& node) 
+	: SessionObject(s, "unnamed source")
+	, _type(DataType::AUDIO)
 {
-	_use_cnt = 0;
 	_timestamp = 0;
+	_length = 0;
+	_analysed = false;
+	_in_use = 0;
 
-	if (set_state (node)) {
+	if (set_state (node) || _type == DataType::NIL) {
 		throw failed_constructor();
 	}
 }
 
 Source::~Source ()
 {
+	notify_callbacks ();
 }
 
 XMLNode&
@@ -70,7 +84,8 @@ Source::get_state ()
 	char buf[64];
 
 	node->add_property ("name", _name);
-	_id.print (buf);
+	node->add_property ("type", _type.to_string());
+	_id.print (buf, sizeof (buf));
 	node->add_property ("id", buf);
 
 	if (_timestamp != 0) {
@@ -98,22 +113,157 @@ Source::set_state (const XMLNode& node)
 		return -1;
 	}
 
+	if ((prop = node.property ("type")) != 0) {
+		_type = DataType(prop->value());
+	}
+
 	if ((prop = node.property ("timestamp")) != 0) {
 		sscanf (prop->value().c_str(), "%ld", &_timestamp);
 	}
+	
+	// Don't think this is valid, absolute paths fail
+	//assert(_name.find("/") == string::npos);
 
 	return 0;
 }
 
 void
-Source::use ()
+Source::update_length (nframes_t pos, nframes_t cnt)
+{
+	if (pos + cnt > _length) {
+		_length = pos+cnt;
+	}
+}
+
+void
+Source::add_playlist (boost::shared_ptr<Playlist> pl)
 {
-	_use_cnt++;
+	std::pair<PlaylistMap::iterator,bool> res;
+	std::pair<boost::shared_ptr<Playlist>, uint32_t> newpair (pl, 1);
+	Glib::Mutex::Lock lm (_playlist_lock);
+
+	res = _playlists.insert (newpair);
+
+	if (!res.second) {
+		/* it already existed, bump count */
+		res.first->second++;
+	}
+		
+	pl->GoingAway.connect (bind (mem_fun (*this, &Source::remove_playlist), boost::weak_ptr<Playlist> (pl)));
 }
 
 void
-Source::release ()
+Source::remove_playlist (boost::weak_ptr<Playlist> wpl)
 {
-	if (_use_cnt) --_use_cnt;
+	boost::shared_ptr<Playlist> pl (wpl.lock());
+
+	if (!pl) {
+		return;
+	}
+
+	PlaylistMap::iterator x;
+	Glib::Mutex::Lock lm (_playlist_lock);
+
+	if ((x = _playlists.find (pl)) != _playlists.end()) {
+		if (x->second > 1) {
+			x->second--;
+		} else {
+			_playlists.erase (x);
+		}
+	}
+}
+
+uint32_t
+Source::used () const
+{
+	return _playlists.size();
+}
+
+bool
+Source::has_been_analysed() const
+{
+	Glib::Mutex::Lock lm (_analysis_lock);
+	return _analysed;
+}
+
+void
+Source::set_been_analysed (bool yn)
+{
+	{
+		Glib::Mutex::Lock lm (_analysis_lock);
+		_analysed = yn;
+	}
+	
+	if (yn) {
+		load_transients (get_transients_path());
+		AnalysisChanged(); // EMIT SIGNAL
+	}
+}
+
+int
+Source::load_transients (const string& path)
+{
+	ifstream file (path.c_str());
+
+	if (!file) {
+		return -1;
+	}
+	
+	transients.clear ();
+
+	stringstream strstr;
+	double val;
+
+	while (file.good()) {
+		file >> val;
+
+		if (!file.fail()) {
+			nframes64_t frame = (nframes64_t) floor (val * _session.frame_rate());
+			transients.push_back (frame);
+		}
+	}
+
+	return 0;
+}
+
+string 
+Source::get_transients_path () const
+{
+	vector<string> parts;
+	string s;
+
+	/* old sessions may not have the analysis directory */
+	
+	_session.ensure_subdirs ();
+
+	s = _session.analysis_dir ();
+	parts.push_back (s);
+
+	s = _id.to_s();
+	s += '.';
+	s += TransientDetector::operational_identifier();
+	parts.push_back (s);
+	
+	return Glib::build_filename (parts);
+}
+
+bool
+Source::check_for_analysis_data_on_disk () 
+{
+	/* looks to see if the analysis files for this source are on disk.
+	   if so, mark us already analysed.
+	*/
+
+	string path = get_transients_path ();
+	bool ok = true;
+
+	if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
+		ok = false;
+	}
+
+	// XXX add other tests here as appropriate
+
+	set_been_analysed (ok);
+	return ok;
 }