expose more info from plugin-strip (for GUI display)
[ardour.git] / libs / ardour / audio_track.cc
index 40cbded61fa875369986ab126df560fb93b1da8c..47746ffe312d0a1e018e9a5e46c65899d101a5dd 100644 (file)
@@ -56,6 +56,9 @@ AudioTrack::AudioTrack (Session& sess, string name, Route::Flag flag, TrackMode
 
 AudioTrack::~AudioTrack ()
 {
+       if (_freeze_record.playlist && !_session.deletion_in_progress()) {
+               _freeze_record.playlist->release();
+       }
 }
 
 boost::shared_ptr<Diskstream>
@@ -163,7 +166,7 @@ AudioTrack::deprecated_use_diskstream_connections ()
        diskstream->deprecated_io_node = 0;
 
        if ((prop = node.property ("gain")) != 0) {
-               _amp->set_gain (atof (prop->value().c_str()), this);
+               _amp->gain_control()->set_value (atof (prop->value().c_str()), PBD::Controllable::NoGroup);
        }
 
        if ((prop = node.property ("input-connection")) != 0) {
@@ -287,6 +290,7 @@ AudioTrack::set_state_part_two ()
                        boost::shared_ptr<Playlist> pl = _session.playlists->by_name (prop->value());
                        if (pl) {
                                _freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist> (pl);
+                               _freeze_record.playlist->use();
                        } else {
                                _freeze_record.playlist.reset ();
                                _freeze_record.state = NoFreeze;
@@ -355,7 +359,7 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
 
        int dret;
        framecnt_t playback_distance;
-       
+
        if ((nframes = check_initial_delay (nframes, transport_frame)) == 0) {
 
                /* need to do this so that the diskstream sets its
@@ -374,9 +378,9 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
                bool        valid = false;
                const float mute  = _mute_control->list()->rt_safe_eval(transport_frame, valid);
                if (mute >= 0.5 && !muted()) {
-                       _mute_control->set_value(1.0);  // mute
+                       _mute_control->set_value_unchecked(1.0);  // mute
                } else if (mute < 0.5 && muted()) {
-                       _mute_control->set_value(0.0);  // unmute
+                       _mute_control->set_value_unchecked(0.0);  // unmute
                }
        }
 
@@ -386,7 +390,7 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
        BufferSet& bufs = _session.get_route_buffers (n_process_buffers ());
 
        fill_buffers_with_input (bufs, _input, nframes);
-       
+
        if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
                _meter->run (bufs, start_frame, end_frame, nframes, true);
        }
@@ -486,12 +490,12 @@ AudioTrack::bounceable (boost::shared_ptr<Processor> endpoint, bool include_endp
                /* does the output from the last considered processor match the
                 * input to this one?
                 */
-               
+
                if (naudio != (*r)->input_streams().n_audio()) {
                        return false;
                }
 
-               /* we're including the endpoint - if we just hit it, 
+               /* we're including the endpoint - if we just hit it,
                   then stop.
                */
 
@@ -499,7 +503,7 @@ AudioTrack::bounceable (boost::shared_ptr<Processor> endpoint, bool include_endp
                        return true;
                }
 
-               /* save outputs of this processor to test against inputs 
+               /* save outputs of this processor to test against inputs
                   of the next one.
                */
 
@@ -591,7 +595,7 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
                                        (*r)->deactivate ();
                                }
                        }
-                       
+
                        _session.set_dirty ();
                }
        }
@@ -621,9 +625,11 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
        diskstream->use_playlist (boost::dynamic_pointer_cast<AudioPlaylist>(new_playlist));
        diskstream->set_record_enabled (false);
 
+       _freeze_record.playlist->use(); // prevent deletion
+
        /* reset stuff that has already been accounted for in the freeze process */
 
-       set_gain (GAIN_COEFF_UNITY, this);
+       set_gain (GAIN_COEFF_UNITY, Controllable::NoGroup);
        _amp->gain_control()->set_automation_state (Off);
        /* XXX need to use _main_outs _panner->set_automation_state (Off); */
 
@@ -635,6 +641,7 @@ void
 AudioTrack::unfreeze ()
 {
        if (_freeze_record.playlist) {
+               _freeze_record.playlist->release();
                audio_diskstream()->use_playlist (_freeze_record.playlist);
 
                {