changes to help strp silence
[ardour.git] / gtk2_ardour / audio_streamview.cc
index 4ca3ad38b92f2388e54222d4441255e29ab83a2f..ac95bf63c2cda15b30948568e9653619b02791c9 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2001, 2006 Paul Davis 
+    Copyright (C) 2001, 2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 #include <cmath>
 #include <cassert>
+#include <utility>
 
 #include <gtkmm.h>
 
 #include <gtkmm2ext/gtk_ui.h>
 
-#include <ardour/audioplaylist.h>
-#include <ardour/audioregion.h>
-#include <ardour/audiofilesource.h>
-#include <ardour/audio_diskstream.h>
-#include <ardour/audio_track.h>
-#include <ardour/playlist_templates.h>
-#include <ardour/source.h>
-#include <ardour/region_factory.h>
+#include "pbd/stacktrace.h"
+
+#include "ardour/audioplaylist.h"
+#include "ardour/audioregion.h"
+#include "ardour/audiofilesource.h"
+#include "ardour/audio_diskstream.h"
+#include "ardour/audio_track.h"
+#include "ardour/source.h"
+#include "ardour/region_factory.h"
+#include "ardour/profile.h"
+#include "ardour/rc_configuration.h"
+#include "ardour/session.h"
 
 #include "audio_streamview.h"
 #include "audio_region_view.h"
 #include "rgb_macros.h"
 #include "gui_thread.h"
 #include "utils.h"
-#include "color.h"
 
 #include "i18n.h"
 
+using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Editing;
@@ -58,40 +63,31 @@ AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
        : StreamView (tv)
 {
        crossfades_visible = true;
-       _waveform_scale = LinearWaveform;
-       _waveform_shape = Traditional;
-       
-       if (tv.is_track())
-               stream_base_color = color_map[cAudioTrackBase];
-       else
-               stream_base_color = color_map[cAudioBusBase];
-       
-       canvas_rect->property_fill_color_rgba() = stream_base_color;
-       canvas_rect->property_outline_color_rgba() = color_map[cAudioTrackOutline];
-
+       color_handler ();
        _amplitude_above_axis = 1.0;
 
-       use_rec_regions = tv.editor.show_waveforms_recording ();
+       use_rec_regions = tv.editor().show_waveforms_recording ();
 
+       Config->ParameterChanged.connect (*this, ui_bind (&AudioStreamView::parameter_changed, this, _1), gui_context());
 }
 
 AudioStreamView::~AudioStreamView ()
 {
 }
 
-int 
+int
 AudioStreamView::set_samples_per_unit (gdouble spp)
 {
        StreamView::set_samples_per_unit(spp);
 
        for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
-               (*xi)->set_samples_per_unit (spp);
+               xi->second->set_samples_per_unit (spp);
        }
 
        return 0;
 }
 
-int 
+int
 AudioStreamView::set_amplitude_above_axis (gdouble app)
 {
        RegionViewList::iterator i;
@@ -111,45 +107,32 @@ AudioStreamView::set_amplitude_above_axis (gdouble app)
        return 0;
 }
 
-void
-AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves)
+RegionView*
+AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 {
        AudioRegionView *region_view = 0;
-
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_region_view), r));
-
        boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
 
        if (region == 0) {
-               return;
-       }
-
-       for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
-               if ((*i)->region() == r) {
-                       
-                       /* great. we already have a AudioRegionView for this Region. use it again. */
-                       
-                       (*i)->set_valid (true);
-
-                       // this might not be necessary
-                       AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
-                       if (arv) {
-                               arv->set_waveform_scale (_waveform_scale);
-                               arv->set_waveform_shape (_waveform_shape);
-                       }
-                               
-                       return;
-               }
+               return 0;
        }
 
        switch (_trackview.audio_track()->mode()) {
+
+       case NonLayered:
        case Normal:
-               region_view = new AudioRegionView (canvas_group, _trackview, region, 
-                                                  _samples_per_unit, region_color);
+               if (recording) {
+                       region_view = new AudioRegionView (canvas_group, _trackview, region,
+                                       _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(
+                                                       TimeAxisViewItem::ShowFrame | TimeAxisViewItem::HideFrameRight));
+               } else {
+                       region_view = new AudioRegionView (canvas_group, _trackview, region,
+                                       _samples_per_unit, region_color);
+               }
                break;
        case Destructive:
-               region_view = new TapeAudioRegionView (canvas_group, _trackview, region, 
-                                                      _samples_per_unit, region_color);
+               region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
+                               _samples_per_unit, region_color);
                break;
        default:
                fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
@@ -159,52 +142,67 @@ AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wai
 
        region_view->init (region_color, wait_for_waves);
        region_view->set_amplitude_above_axis(_amplitude_above_axis);
-       region_views.push_front (region_view);
+       region_view->set_height (child_height ());
 
-       
-       /* if its the special single-sample length that we use for rec-regions, make it 
-          insensitive to events 
+       /* if its the special single-sample length that we use for rec-regions, make it
+          insensitive to events
        */
 
        if (region->length() == 1) {
                region_view->set_sensitive (false);
        }
 
-       /* if this was the first one, then lets query the waveform scale and shape.
-          otherwise, we set it to the current value */
-          
-       if (region_views.size() == 1) {
-               if (region_view->waveform_logscaled()) {
-                       _waveform_scale = LogWaveform;
-               } else {
-                       _waveform_scale = LinearWaveform;
-               }
+       region_view->set_waveform_scale (Config->get_waveform_scale ());
+       region_view->set_waveform_shape (Config->get_waveform_shape ());
+       region_view->set_waveform_visible (Config->get_show_waveforms ());
 
-               if (region_view->waveform_rectified()) {
-                       _waveform_shape = Rectified;
-               } else {
-                       _waveform_shape = Traditional;
-               }
-       }
-       else {
-               region_view->set_waveform_scale(_waveform_scale);
-               region_view->set_waveform_shape(_waveform_shape);
+       return region_view;
+}
+
+RegionView*
+AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
+{
+       RegionView *region_view = create_region_view (r, wait_for_waves, recording);
+       if (region_view == 0) {
+               return 0;
        }
-       
-       /* follow global waveform setting */
 
-       region_view->set_waveform_visible(_trackview.editor.show_waveforms());
+//     if(!recording){
+//             for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+//                     if ((*i)->region() == r) {
+//                             cerr << "audio_streamview in add_region_view_internal region found" << endl;
+                               /* great. we already have a AudioRegionView for this Region. use it again. */
+
+//                             (*i)->set_valid (true);
+
+                               // this might not be necessary
+//                             AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
+
+//                             if (arv) {
+//                                     arv->set_waveform_scale (_waveform_scale);
+//                                     arv->set_waveform_shape (_waveform_shape);
+//                             }
+
+//                             return NULL;
+//                     }
+//             }
+//     }
+
+       region_views.push_front (region_view);
+
+       /* catch region going away */
 
-       /* catch regionview going away */
-       region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
+       r->DropReferences.connect (*this, boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 
        RegionViewAdded (region_view);
+
+       return region_view;
 }
 
 void
 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
 {
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
+       ENSURE_GUI_THREAD (*this, &AudioStreamView::remove_region_view, weak_r);
 
        boost::shared_ptr<Region> r (weak_r.lock());
 
@@ -212,20 +210,22 @@ AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
                return;
        }
 
-       if (!_trackview.session().deletion_in_progress()) {
+       cerr << "a region went way, it appears to be ours (" << this << ")\n";
+
+       if (!_trackview.session()->deletion_in_progress()) {
+
+               for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
+                       CrossfadeViewList::iterator tmp;
 
-               for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
-                       list<CrossfadeView*>::iterator tmp;
-                       
                        tmp = i;
                        ++tmp;
-                       
+
                        boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
-                       if (ar && (*i)->crossfade->involves (ar)) {
-                               delete *i;
+                       if (ar && i->second->crossfade->involves (ar)) {
+                               delete i->second;
                                crossfade_views.erase (i);
                        }
-                       
+
                        i = tmp;
                }
        }
@@ -239,84 +239,73 @@ AudioStreamView::undisplay_diskstream ()
        StreamView::undisplay_diskstream();
 
        for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               delete *i;
+               delete i->second;
        }
 
        crossfade_views.clear ();
 }
 
 void
-AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
+AudioStreamView::playlist_layered (boost::weak_ptr<Diskstream> wds)
 {
-       boost::shared_ptr<Diskstream> sp (ds.lock());
-       if (!sp) {
+       boost::shared_ptr<Diskstream> ds (wds.lock());
+
+       if (!ds) {
                return;
        }
 
-       playlist_modified (sp);
-}
+       StreamView::playlist_layered (wds);
 
-void
-AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
-{
-       /* we do not allow shared_ptr<T> to be bound to slots */
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_modified_weak), ds));
-
-       StreamView::playlist_modified (ds);
-       
        /* make sure xfades are on top and all the regionviews are stacked correctly. */
 
-       for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               (*i)->get_canvas_group()->raise_to_top();
+       for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
+               i->second->get_canvas_group()->raise_to_top();
        }
 }
 
 void
-AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
+AudioStreamView::playlist_switched (boost::weak_ptr<Diskstream> wds)
 {
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_changed), ds));
+       boost::shared_ptr<Diskstream> ds (wds.lock());
+
+       if (!ds) {
+               return;
+       }
 
-       StreamView::playlist_changed(ds);
+       playlist_connections.drop_connections ();
+
+       StreamView::playlist_switched (ds);
 
        boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
-       if (apl)
-               playlist_connections.push_back (apl->NewCrossfade.connect (mem_fun (*this, &AudioStreamView::add_crossfade)));
+
+       if (apl) {
+               apl->NewCrossfade.connect (playlist_connections, ui_bind (&AudioStreamView::add_crossfade, this, _1), gui_context());
+       }
 }
 
 void
-AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
+AudioStreamView::add_crossfade (boost::weak_ptr<Crossfade> wc)
 {
-       boost::shared_ptr<Crossfade> sp (crossfade.lock());
+       boost::shared_ptr<Crossfade> crossfade (wc.lock());
 
-       if (!sp) {
+       if (!crossfade) {
                return;
        }
 
-       add_crossfade (sp);
-}
-
-void
-AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
-{
        AudioRegionView* lview = 0;
        AudioRegionView* rview = 0;
 
-       /* we do not allow shared_ptr<T> to be bound to slots */
-       
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade_weak), boost::weak_ptr<Crossfade> (crossfade)));
-
        /* first see if we already have a CrossfadeView for this Crossfade */
 
-       for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               if ((*i)->crossfade == crossfade) {
-                       if (!crossfades_visible || layer_display == Stacked) {
-                               (*i)->hide();
-                       } else {
-                               (*i)->show ();
-                       }
-                       (*i)->set_valid (true);
-                       return;
+       CrossfadeViewList::iterator i = crossfade_views.find (crossfade);
+       if (i != crossfade_views.end()) {
+               if (!crossfades_visible) {
+                       i->second->hide();
+               } else {
+                       i->second->show ();
                }
+               i->second->set_valid (true);
+               return;
        }
 
        /* create a new one */
@@ -332,29 +321,32 @@ AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
                }
        }
 
-       CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
+       CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display (),
                                               _trackview,
                                                crossfade,
                                               _samples_per_unit,
                                               region_color,
                                               *lview, *rview);
-
-       crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
-       crossfade_views.push_back (cv);
-
-       if (!Config->get_xfades_visible() || !crossfades_visible || layer_display == Stacked) {
+       cv->set_valid (true);
+       crossfade->Invalidated.connect (*this, ui_bind (&AudioStreamView::remove_crossfade, this, _1), gui_context());
+       crossfade_views[cv->crossfade] = cv;
+       if (!_trackview.session()->config.get_xfades_visible() || !crossfades_visible) {
                cv->hide ();
        }
+
+       update_content_height (cv);
 }
 
 void
-AudioStreamView::remove_crossfade (boost::shared_ptr<Crossfade> xfade)
+AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
 {
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), xfade));
+       ENSURE_GUI_THREAD (*this, &AudioStreamView::remove_crossfade, r)
 
-       for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               if ((*i)->crossfade == xfade) {
-                       delete *i;
+       boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
+
+       for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
+               if (i->second->crossfade == xfade) {
+                       delete i->second;
                        crossfade_views.erase (i);
                        break;
                }
@@ -364,57 +356,54 @@ AudioStreamView::remove_crossfade (boost::shared_ptr<Crossfade> xfade)
 void
 AudioStreamView::redisplay_diskstream ()
 {
-       list<RegionView *>::iterator i, tmp;
-       list<CrossfadeView*>::iterator xi, tmpx;
+       list<RegionView *>::iterator i;
+       CrossfadeViewList::iterator xi, tmpx;
 
+       // Flag region views as invalid and disable drawing
        for (i = region_views.begin(); i != region_views.end(); ++i) {
                (*i)->set_valid (false);
+               (*i)->enable_display (false);
        }
 
+       // Flag crossfade views as invalid
        for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
-               (*xi)->set_valid (false);
-               if ((*xi)->visible() && layer_display != Stacked) {
-                       (*xi)->show ();
+               xi->second->set_valid (false);
+               if (xi->second->visible()) {
+                       xi->second->show ();
                }
        }
 
-       if (_trackview.is_audio_track()) {
-               _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
-
-               boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_trackview.get_diskstream()->playlist());
-               if (apl)
-                       apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
-       }
+       // Add and display region and crossfade views, and flag them as valid
 
-       for (i = region_views.begin(); i != region_views.end(); ) {
-               tmp = i;
-               tmp++;
+       if (_trackview.is_audio_track()) {
+               _trackview.get_diskstream()->playlist()->foreach_region(
+                       sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
+                       );
 
-               if (!(*i)->is_valid()) {
-                       delete *i;
-                       region_views.erase (i);
-               } 
+               boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(
+                               _trackview.get_diskstream()->playlist()
+                       );
 
-               i = tmp;
+               if (apl) {
+                       apl->foreach_crossfade (sigc::mem_fun (*this, &AudioStreamView::add_crossfade));
+               }
        }
 
+       // Remove invalid crossfade views
        for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
                tmpx = xi;
                tmpx++;
 
-               if (!(*xi)->valid()) {
-                       delete *xi;
+               if (!xi->second->valid()) {
+                       delete xi->second;
                        crossfade_views.erase (xi);
                }
 
                xi = tmpx;
        }
 
-       /* now fix layering */
-
-       for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
-               region_layered (*i);
-       }
+       // Stack regions by layer, and remove invalid regions
+       layer_regions();
 }
 
 void
@@ -422,8 +411,9 @@ AudioStreamView::set_show_waveforms (bool yn)
 {
        for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
-               if (arv)
+               if (arv) {
                        arv->set_waveform_visible (yn);
+               }
        }
 }
 
@@ -435,130 +425,133 @@ AudioStreamView::set_waveform_shape (WaveformShape shape)
                if (arv)
                        arv->set_waveform_shape (shape);
        }
-       _waveform_shape = shape;
-}              
+}
 
 void
 AudioStreamView::set_waveform_scale (WaveformScale scale)
 {
        for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
-               if (arv) 
+               if (arv) {
                        arv->set_waveform_scale (scale);
+               }
        }
-       _waveform_scale = scale;
-}              
+}
 
 void
 AudioStreamView::setup_rec_box ()
 {
-       // cerr << _trackview.name() << " streamview SRB\n";
+       //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 
-       if (_trackview.session().transport_rolling()) {
+       if (_trackview.session()->transport_rolling()) {
 
                // cerr << "\trolling\n";
 
-               if (!rec_active && 
-                   _trackview.session().record_status() == Session::Recording && 
+               if (!rec_active &&
+                   _trackview.session()->record_status() == Session::Recording &&
                    _trackview.get_diskstream()->record_enabled()) {
-
                        if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
 
                                /* add a new region, but don't bother if they set use_rec_regions mid-record */
 
                                SourceList sources;
 
-                               for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
-                                       (*prc).disconnect();
-                               }
-                               rec_data_ready_connections.clear();
-                                       
-                               // FIXME
-                               boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
-                               assert(ads);
+                               rec_data_ready_connections.drop_connections ();
+                               boost::shared_ptr<AudioDiskstream> ads = _trackview.audio_track()->audio_diskstream();
 
                                for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
-                                       boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
+                                       boost::shared_ptr<AudioFileSource> src = ads->write_source (n);
                                        if (src) {
                                                sources.push_back (src);
-                                               
-                                               rec_data_ready_connections.push_back (src->PeakRangeReady.connect (bind
-                                                       (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src)))); 
+                                               src->PeakRangeReady.connect (rec_data_ready_connections,
+                                                                            ui_bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
+                                                                            gui_context());
                                        }
                                }
 
                                // handle multi
-                               
+
                                nframes_t start = 0;
                                if (rec_regions.size() > 0) {
-                                       start = rec_regions.back()->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
+                                       start = rec_regions.back().first->start()
+                                                       + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
                                }
+
+                               PropertyList plist; 
                                
-                               boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
-                                                                      (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
-                               assert(region);
-                               region->set_position (_trackview.session().transport_frame(), this);
+                               plist.add (Properties::start, start);
+                               plist.add (Properties::length, 1);
+                               plist.add (Properties::name, string());
+                               plist.add (Properties::layer, 0);
+
+                               boost::shared_ptr<AudioRegion> region (
+                                       boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 
-                               rec_regions.push_back (region);
+                               assert(region);
+                               region->block_property_changes ();
+                               region->set_position (_trackview.session()->transport_frame(), this);
+                               rec_regions.push_back (make_pair(region, (RegionView*)0));
                        }
-                       
+
                        /* start a new rec box */
 
-                       AudioTrack* at;
+                       boost::shared_ptr<AudioTrack> at;
 
                        at = _trackview.audio_track(); /* we know what it is already */
                        boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
                        nframes_t frame_pos = ds->current_capture_start ();
-                       gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
+                       gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
                        gdouble xend;
                        uint32_t fill_color;
 
                        switch (_trackview.audio_track()->mode()) {
                        case Normal:
+                       case NonLayered:
                                xend = xstart;
-                               fill_color = color_map[cRecordingRectFill];
+                               fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
                                break;
 
                        case Destructive:
                                xend = xstart + 2;
-                               fill_color = color_map[cRecordingRectFill];
+                               fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
                                /* make the recording rect translucent to allow
                                   the user to see the peak data coming in, etc.
                                */
                                fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
                                break;
                        }
-                       
+
                        ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
                        rec_rect->property_x1() = xstart;
                        rec_rect->property_y1() = 1.0;
                        rec_rect->property_x2() = xend;
-                       rec_rect->property_y2() = (double) _trackview.height - 1;
-                       rec_rect->property_outline_color_rgba() = color_map[cRecordingRectOutline];
+                       rec_rect->property_y2() = child_height ();
+                       rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
+                       rec_rect->property_outline_what() = 0x1 | 0x2 | 0x4 | 0x8;
                        rec_rect->property_fill_color_rgba() = fill_color;
-                       
+                       rec_rect->lower_to_bottom();
+
                        RecBoxInfo recbox;
                        recbox.rectangle = rec_rect;
-                       recbox.start = _trackview.session().transport_frame();
+                       recbox.start = _trackview.session()->transport_frame();
                        recbox.length = 0;
-                       
+
                        rec_rects.push_back (recbox);
-                       
+
                        screen_update_connection.disconnect();
-                       screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));   
+                       screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
+                                       sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
                        rec_updating = true;
                        rec_active = true;
 
                } else if (rec_active &&
-                          (_trackview.session().record_status() != Session::Recording ||
+                          (_trackview.session()->record_status() != Session::Recording ||
                            !_trackview.get_diskstream()->record_enabled())) {
-
                        screen_update_connection.disconnect();
                        rec_active = false;
                        rec_updating = false;
-
                }
-               
+
        } else {
 
                // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
@@ -567,29 +560,23 @@ AudioStreamView::setup_rec_box ()
 
                        /* disconnect rapid update */
                        screen_update_connection.disconnect();
-
-                       for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
-                               (*prc).disconnect();
-                       }
-                       rec_data_ready_connections.clear();
-
+                       rec_data_ready_connections.drop_connections ();
                        rec_updating = false;
                        rec_active = false;
-                       last_rec_data_frame = 0;
-                       
+
                        /* remove temp regions */
 
-                       for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
-                               list<boost::shared_ptr<Region> >::iterator tmp;
+                       for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
+                               list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 
                                tmp = iter;
                                ++tmp;
 
-                               (*iter)->drop_references ();
+                               (*iter).first->drop_references ();
 
                                iter = tmp;
                        }
-                               
+
                        rec_regions.clear();
 
                        // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
@@ -599,9 +586,9 @@ AudioStreamView::setup_rec_box ()
                                RecBoxInfo &rect = (*iter);
                                delete rect.rectangle;
                        }
-                       
+
                        rec_rects.clear();
-                       
+
                }
        }
 }
@@ -609,30 +596,30 @@ AudioStreamView::setup_rec_box ()
 void
 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
 {
-       for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               ((*i)->*pmf) ();
+       for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
+               (i->second->*pmf) ();
        }
 }
 
 void
 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
-       
+       ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
+
        boost::shared_ptr<Source> src (weak_src.lock());
 
        if (!src) {
-               return; 
+               return;
        }
 
        // this is called from the peak building thread
-       
-       if (rec_data_ready_map.size() == 0 || start+cnt > last_rec_data_frame) {
+
+       if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
                last_rec_data_frame = start + cnt;
        }
-       
+
        rec_data_ready_map[src] = true;
-       
+
        if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
                this->update_rec_regions ();
                rec_data_ready_map.clear();
@@ -643,14 +630,12 @@ void
 AudioStreamView::update_rec_regions ()
 {
        if (use_rec_regions) {
-
                uint32_t n = 0;
 
-               for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
-
-                       list<boost::shared_ptr<Region> >::iterator tmp;
+               for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
+                               iter != rec_regions.end(); n++) {
 
-                       tmp = iter;
+                       list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
                        ++tmp;
 
                        if (!canvas_item_visible (rec_rects[n].rectangle)) {
@@ -658,15 +643,16 @@ AudioStreamView::update_rec_regions ()
                                iter = tmp;
                                continue;
                        }
-                       
-                       boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(*iter);
+
+                       boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
                        if (!region) {
+                               iter = tmp;
                                continue;
                        }
 
                        nframes_t origlen = region->length();
 
-                       if (region == rec_regions.back() && rec_active) {
+                       if (region == rec_regions.back().first && rec_active) {
 
                                if (last_rec_data_frame > region->start()) {
 
@@ -674,19 +660,19 @@ AudioStreamView::update_rec_regions ()
 
                                        if (nlen != region->length()) {
 
-                                               region->freeze ();
+                                               region->suspend_property_changes ();
                                                region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
                                                region->set_length (nlen, this);
-                                               region->thaw ("updated");
+                                               region->resume_property_changes ();
 
                                                if (origlen == 1) {
                                                        /* our special initial length */
-                                                       add_region_view_internal (region, false);
+                                                       add_region_view_internal (region, false, true);
                                                }
 
                                                /* also update rect */
                                                ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
-                                               gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
+                                               gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
                                                rect->property_x2() = xend;
                                        }
                                }
@@ -697,18 +683,18 @@ AudioStreamView::update_rec_regions ()
 
                                if (nlen != region->length()) {
 
-                                       if (region->source(0)->length() >= region->start() + nlen) {
+                                       if (region->source_length(0) >= region->start() + nlen) {
 
-                                               region->freeze ();
+                                               region->suspend_property_changes ();
                                                region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
                                                region->set_length (nlen, this);
-                                               region->thaw ("updated");
-                                               
+                                               region->resume_property_changes ();
+
                                                if (origlen == 1) {
                                                        /* our special initial length */
-                                                       add_region_view_internal (region, false);
+                                                       add_region_view_internal (region, false, true);
                                                }
-                                               
+
                                                /* also hide rect */
                                                ArdourCanvas::Item * rect = rec_rects[n].rectangle;
                                                rect->hide();
@@ -722,6 +708,28 @@ AudioStreamView::update_rec_regions ()
        }
 }
 
+void
+AudioStreamView::show_all_fades ()
+{
+       for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+               AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
+               if (arv) {
+                       arv->set_fade_visibility (true);
+               }
+       }
+}
+
+void
+AudioStreamView::hide_all_fades ()
+{
+       for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+               AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
+               if (arv) {
+                       arv->set_fade_visibility (false);
+               }
+       }
+}
+
 void
 AudioStreamView::show_all_xfades ()
 {
@@ -739,9 +747,9 @@ AudioStreamView::hide_all_xfades ()
 void
 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
 {
-       for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               if ((*i)->crossfade->involves (rv.audio_region())) {
-                       (*i)->fake_hide ();
+       for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
+               if (i->second->crossfade->involves (rv.audio_region())) {
+                       i->second->fake_hide ();
                }
        }
 }
@@ -749,47 +757,75 @@ AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
 void
 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
 {
-       for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               if ((*i)->crossfade->involves (rv.audio_region()) && (*i)->visible() && layer_display != Stacked) {
-                       (*i)->show ();
+       for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
+               if (i->second->crossfade->involves (rv.audio_region()) && i->second->visible()) {
+                       i->second->show ();
                }
        }
 }
 
 void
-AudioStreamView::color_handler (ColorID id, uint32_t val)
+AudioStreamView::color_handler ()
 {
-       switch (id) {
-       case cAudioTrackBase:
-               if (_trackview.is_track()) {
-                       canvas_rect->property_fill_color_rgba() = val;
-               } 
-               break;
-       case cAudioBusBase:
-               if (!_trackview.is_track()) {
-                       canvas_rect->property_fill_color_rgba() = val;
-               }
-               break;
-       case cAudioTrackOutline:
-               canvas_rect->property_outline_color_rgba() = val;
-               break;
+       //case cAudioTrackBase:
+       if (_trackview.is_track()) {
+               canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
+       }
 
-       default:
-               break;
+       //case cAudioBusBase:
+       if (!_trackview.is_track()) {
+               if (Profile->get_sae() && _trackview.route()->is_master()) {
+                       canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioMasterBusBase.get();
+               } else {
+                       canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
+               }
        }
 }
 
 void
-AudioStreamView::update_contents_y_position_and_height ()
+AudioStreamView::update_contents_height ()
 {
-       StreamView::update_contents_y_position_and_height ();
-       
+       StreamView::update_contents_height ();
+
        for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
-               if (layer_display == Overlaid) {
-                       (*i)->show ();
-                       (*i)->set_y_position_and_height (0, height);
-               } else {
-                       (*i)->hide ();
-               }
+               update_content_height (i->second);
+       }
+}
+
+void
+AudioStreamView::update_content_height (CrossfadeView* cv)
+{
+       cv->show ();
+
+       if (_layer_display == Overlaid) {
+
+               cv->set_y (0);
+               cv->set_height (height);
+
+       } else {
+
+               layer_t const inl = cv->crossfade->in()->layer ();
+               layer_t const outl = cv->crossfade->out()->layer ();
+
+               layer_t const high = max (inl, outl);
+               layer_t const low = min (inl, outl);
+
+               const double h = child_height ();
+
+               cv->set_y ((_layers - high - 1) * h);
+               cv->set_height ((high - low + 1) * h);
+
+       }
+}
+
+void
+AudioStreamView::parameter_changed (string const & p)
+{
+       if (p == "show-waveforms") {
+               set_show_waveforms (Config->get_show_waveforms ());
+       } else if (p == "waveform-scale") {
+               set_waveform_scale (Config->get_waveform_scale ());
+       } else if (p == "waveform-shape") {
+               set_waveform_shape (Config->get_waveform_shape ());
        }
 }