* refactor Session::follow_slave to be easier to read and understand

[ardour.git] / libs / ardour / source.cc

diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index 21cd871cbf0e48eabb21a29a9e93ffadf302c8dc..f08d08b86e4e529fe316923ee3052265ef542ecc 100644 (file)
--- a/libs/ardour/source.cc
+++ b/libs/ardour/source.cc
@@ -27,45 +27,49 @@
 #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 (Session& s, string name, DataType type)
-       : _session (s)
+Source::Source (Session& s, const string& name, DataType type)
+       : SessionObject(s, name)
        , _type(type)
 {
-       assert(_name.find("/") == string::npos);
+       // not true.. is this supposed to be an assertion?
+       //assert(_name.find("/") == string::npos);
 
-       _name = name;
+       _analysed = false;
        _timestamp = 0;
        _length = 0;
        _in_use = 0;
 }
 
 Source::Source (Session& s, const XMLNode& node) 
-       : _session (s)
+       : SessionObject(s, "unnamed source")
        , _type(DataType::AUDIO)
 {
        _timestamp = 0;
        _length = 0;
+       _analysed = false;
        _in_use = 0;
 
        if (set_state (node) || _type == DataType::NIL) {
                throw failed_constructor();
        }
-       assert(_name.find("/") == string::npos);
 }
 
 Source::~Source ()
@@ -116,7 +120,9 @@ Source::set_state (const XMLNode& node)
        if ((prop = node.property ("timestamp")) != 0) {
                sscanf (prop->value().c_str(), "%ld", &_timestamp);
        }
-       assert(_name.find("/") == string::npos);
+       
+       // Don't think this is valid, absolute paths fail
+       //assert(_name.find("/") == string::npos);
 
        return 0;
 }
@@ -134,7 +140,7 @@ Source::add_playlist (boost::shared_ptr<Playlist> pl)
 {
        std::pair<PlaylistMap::iterator,bool> res;
        std::pair<boost::shared_ptr<Playlist>, uint32_t> newpair (pl, 1);
-       Glib::Mutex::Lock lm (playlist_lock);
+       Glib::Mutex::Lock lm (_playlist_lock);
 
        res = _playlists.insert (newpair);
 
@@ -156,7 +162,7 @@ Source::remove_playlist (boost::weak_ptr<Playlist> wpl)
        }
 
        PlaylistMap::iterator x;
-       Glib::Mutex::Lock lm (playlist_lock);
+       Glib::Mutex::Lock lm (_playlist_lock);
 
        if ((x = _playlists.find (pl)) != _playlists.end()) {
                if (x->second > 1) {
@@ -172,3 +178,92 @@ 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;
+}
+