fixes for destructive track offsets of various kinds; move from jack_nframes_t -...
[ardour.git] / libs / ardour / ardour / source.h
index 3781950fbf979a2a5422df049c43f5f1f5d6f9f1..40594f744b22f9435333101cb6048fd8141541c9 100644 (file)
 #ifndef __ardour_source_h__
 #define __ardour_source_h__
 
-#include <list>
-#include <vector>
 #include <string>
 
-#include <ctime>
-
 #include <sigc++/signal.h>
 
-#include <glibmm/thread.h>
+#include <pbd/statefuldestructible.h> 
 
 #include <ardour/ardour.h>
-#include <ardour/stateful.h>
-#include <pbd/xml++.h>
-
-using std::list;
-using std::vector;
-using std::string;
 
 namespace ARDOUR {
 
-struct PeakData {
-    typedef Sample PeakDatum;
-
-    PeakDatum min;
-    PeakDatum max;
-};
-
-const jack_nframes_t frames_per_peak = 256;
+class Session;
 
-class Source : public Stateful, public sigc::trackable
+class Source : public PBD::StatefulDestructible, public sigc::trackable
 {
   public:
-       Source (bool announce=true);
-       Source (const XMLNode&);
+       Source (Session&, std::string name);
+       Source (Session&, const XMLNode&);
        virtual ~Source ();
 
-       const string& name() const { return _name; }
-
-       ARDOUR::id_t  id() const   { return _id; }
-
-       /* returns the number of items in this `source' */
-
-       virtual jack_nframes_t length() const {
-               return _length;
-       }
-
-       virtual jack_nframes_t available_peaks (double zoom) const;
-
-       virtual jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const {
-               return 0;
-       }
-
-       virtual jack_nframes_t write (Sample *src, jack_nframes_t cnt, char * workbuf) {
-               return 0;
-       }
-
-       virtual float sample_rate () const { return 0; }
-
-       uint32_t use_cnt() const { return _use_cnt; }
-       void use ();
-       void release ();
-
-       virtual void mark_for_remove() = 0;
-       virtual void mark_streaming_write_completed () {}
+       std::string name() const { return _name; }
+       int set_name (std::string str, bool destructive);
 
        time_t timestamp() const { return _timestamp; }
        void stamp (time_t when) { _timestamp = when; }
 
-       void set_captured_for (string str) { _captured_for = str; }
-       string captured_for() const { return _captured_for; }
-
-       uint32_t read_data_count() const { return _read_data_count; }
-       uint32_t write_data_count() const { return _write_data_count; }
-
-       int  read_peaks (PeakData *peaks, jack_nframes_t npeaks, jack_nframes_t start, jack_nframes_t cnt, double samples_per_unit) const;
-       int  build_peaks ();
-       bool peaks_ready (sigc::slot<void>, sigc::connection&) const;
-
-       static sigc::signal<void,Source*> SourceCreated;
-              
-       sigc::signal<void,Source *> GoingAway;
-       mutable sigc::signal<void>  PeaksReady;
-       mutable sigc::signal<void,jack_nframes_t,jack_nframes_t>  PeakRangeReady;
-       
        XMLNode& get_state ();
        int set_state (const XMLNode&);
 
-       static int  start_peak_thread ();
-       static void stop_peak_thread ();
-
-       int rename_peakfile (std::string newpath);
-
-       static void set_build_missing_peakfiles (bool yn) {
-               _build_missing_peakfiles = yn;
-       }
-       static void set_build_peakfiles (bool yn) {
-               _build_peakfiles = yn;
-       }
 
   protected:
-       static bool _build_missing_peakfiles;
-       static bool _build_peakfiles;
-
+       Session&          _session;
        string            _name;
-       uint32_t     _use_cnt;
-       bool              _peaks_built;
-       mutable Glib::Mutex _lock;
-       jack_nframes_t    _length;
-       bool               next_peak_clear_should_notify;
-       string             peakpath;
        time_t            _timestamp;
-       string            _captured_for;
-
-       mutable uint32_t _read_data_count;  // modified in read()
-       mutable uint32_t _write_data_count; // modified in write()
-
-       int initialize_peakfile (bool newfile, string path);
-       void build_peaks_from_scratch ();
-
-       int  do_build_peak (jack_nframes_t, jack_nframes_t);
-       virtual jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const = 0;
-       virtual string peak_path(string audio_path) = 0;
-
-       static pthread_t peak_thread;
-       static bool      have_peak_thread;
-       static void*     peak_thread_work(void*);
-
-       static int peak_request_pipe[2];
-
-       struct PeakRequest {
-           enum Type {
-                   Build,
-                   Quit
-           };
-       };
-
-       static vector<Source*> pending_peak_sources;
-       static Glib::StaticMutex pending_peak_sources_lock;
-
-       static void queue_for_peaks (Source&);
-       static void clear_queue_for_peaks ();
-       
-       struct PeakBuildRecord {
-           jack_nframes_t frame;
-           jack_nframes_t cnt;
-
-           PeakBuildRecord (jack_nframes_t f, jack_nframes_t c) 
-                   : frame (f), cnt (c) {}
-           PeakBuildRecord (const PeakBuildRecord& other) {
-                   frame = other.frame;
-                   cnt = other.cnt;
-           }
-       };
-
-       list<Source::PeakBuildRecord *> pending_peak_builds;
 
   private:
-       ARDOUR::id_t _id;
-       
-       bool file_changed (string path);
 };
 
 }