introduce the notion that note additions and property changes can cause the removal...
[ardour.git] / gtk2_ardour / audio_streamview.cc
index b95377a58c2e8b878984cfd5a8de2bfbb38a5a76..65efd9654c39cce1199bcda758c37e973f7429dc 100644 (file)
 
 #include <gtkmm2ext/gtk_ui.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"
@@ -64,9 +65,7 @@ AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
        color_handler ();
        _amplitude_above_axis = 1.0;
 
-       use_rec_regions = tv.editor().show_waveforms_recording ();
-
-       Config->ParameterChanged.connect (*this, ui_bind (&AudioStreamView::parameter_changed, this, _1), gui_context());
+       Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&AudioStreamView::parameter_changed, this, _1), gui_context());
 }
 
 AudioStreamView::~AudioStreamView ()
@@ -120,16 +119,16 @@ AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_
        case NonLayered:
        case Normal:
                if (recording) {
-                       region_view = new AudioRegionView (canvas_group, _trackview, region,
+                       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,
+                       region_view = new AudioRegionView (_canvas_group, _trackview, region,
                                        _samples_per_unit, region_color);
                }
                break;
        case Destructive:
-               region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
+               region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
                                _samples_per_unit, region_color);
                break;
        default:
@@ -190,7 +189,7 @@ AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wai
 
        /* catch region going away */
 
-       r->GoingAway.connect (*this, boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
+       r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 
        RegionViewAdded (region_view);
 
@@ -202,8 +201,6 @@ AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
 {
        ENSURE_GUI_THREAD (*this, &AudioStreamView::remove_region_view, weak_r);
 
-       cerr << "a region went way, it appears to be ours (" << this << ")\n";
-
        boost::shared_ptr<Region> r (weak_r.lock());
 
        if (!r) {
@@ -232,9 +229,9 @@ AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
 }
 
 void
-AudioStreamView::undisplay_diskstream ()
+AudioStreamView::undisplay_track ()
 {
-       StreamView::undisplay_diskstream();
+       StreamView::undisplay_track ();
 
        for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
                delete i->second;
@@ -244,21 +241,15 @@ AudioStreamView::undisplay_diskstream ()
 }
 
 void
-AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
+AudioStreamView::playlist_layered (boost::weak_ptr<Track> wtr)
 {
-       boost::shared_ptr<Diskstream> sp (ds.lock());
-       if (sp) {
-               playlist_modified (sp);
-       }
-}
+       boost::shared_ptr<Track> tr (wtr.lock());
 
-void
-AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
-{
-       /* we do not allow shared_ptr<T> to be bound to slots */
-       ENSURE_GUI_THREAD (*this, &AudioStreamView::playlist_modified_weak, ds)
+       if (!tr) {
+               return;
+       }
 
-       StreamView::playlist_modified (ds);
+       StreamView::playlist_layered (wtr);
 
        /* make sure xfades are on top and all the regionviews are stacked correctly. */
 
@@ -268,52 +259,37 @@ AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
 }
 
 void
-AudioStreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
+AudioStreamView::playlist_switched (boost::weak_ptr<Track> wtr)
 {
-       boost::shared_ptr<Diskstream> sp (ds.lock());
-       if (sp) {
-               playlist_changed (sp);
-       }
-}
+       boost::shared_ptr<Track> tr (wtr.lock());
 
-void
-AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
-{
-       ENSURE_GUI_THREAD (*this, &AudioStreamView::playlist_changed_weak, boost::weak_ptr<Diskstream> (ds));
+       if (!tr) {
+               return;
+       }
 
        playlist_connections.drop_connections ();
 
-       StreamView::playlist_changed(ds);
+       StreamView::playlist_switched (tr);
 
-       boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
+       boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist> (tr->playlist());
 
        if (apl) {
-               apl->NewCrossfade.connect (playlist_connections, ui_bind (&AudioStreamView::add_crossfade, this, _1), gui_context());
+               apl->NewCrossfade.connect (playlist_connections, invalidator (*this), 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 (*this, &AudioStreamView::add_crossfade_weak, boost::weak_ptr<Crossfade> (crossfade));
-
        /* first see if we already have a CrossfadeView for this Crossfade */
 
        CrossfadeViewList::iterator i = crossfade_views.find (crossfade);
@@ -347,7 +323,7 @@ AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
                                               region_color,
                                               *lview, *rview);
        cv->set_valid (true);
-       crossfade->Invalidated.connect (*this, ui_bind (&AudioStreamView::remove_crossfade, this, _1), gui_context());
+       crossfade->Invalidated.connect (*this, invalidator (*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 ();
@@ -373,7 +349,7 @@ AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
 }
 
 void
-AudioStreamView::redisplay_diskstream ()
+AudioStreamView::redisplay_track ()
 {
        list<RegionView *>::iterator i;
        CrossfadeViewList::iterator xi, tmpx;
@@ -395,12 +371,12 @@ AudioStreamView::redisplay_diskstream ()
        // Add and display region and crossfade views, and flag them as valid
 
        if (_trackview.is_audio_track()) {
-               _trackview.get_diskstream()->playlist()->foreach_region(
+               _trackview.track()->playlist()->foreach_region(
                        sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
                        );
 
                boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(
-                               _trackview.get_diskstream()->playlist()
+                               _trackview.track()->playlist()
                        );
 
                if (apl) {
@@ -468,21 +444,22 @@ AudioStreamView::setup_rec_box ()
 
                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()) {
+                   _trackview.track()->record_enabled()) {
+                       if (_trackview.audio_track()->mode() == Normal && Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 
-                               /* add a new region, but don't bother if they set use_rec_regions mid-record */
+                               /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 
                                SourceList sources;
 
                                rec_data_ready_connections.drop_connections ();
-                               boost::shared_ptr<AudioDiskstream> ads = _trackview.audio_track()->audio_diskstream();
+                               boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 
-                               for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
-                                       boost::shared_ptr<AudioFileSource> src = ads->write_source (n);
+                               for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
+                                       boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
                                        if (src) {
                                                sources.push_back (src);
                                                src->PeakRangeReady.connect (rec_data_ready_connections,
+                                                                             invalidator (*this),
                                                                             ui_bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
                                                                             gui_context());
                                        }
@@ -493,11 +470,19 @@ AudioStreamView::setup_rec_box ()
                                nframes_t start = 0;
                                if (rec_regions.size() > 0) {
                                        start = rec_regions.back().first->start()
-                                                       + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
+                                                       + _trackview.track()->get_captured_frames(rec_regions.size()-1);
                                }
 
-                               boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>(
-                                               RegionFactory::create (sources, start, 1, "", 0, Region::DefaultFlags, false)));
+                               PropertyList plist; 
+                               
+                               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)));
+
                                assert(region);
                                region->block_property_changes ();
                                region->set_position (_trackview.session()->transport_frame(), this);
@@ -509,8 +494,7 @@ AudioStreamView::setup_rec_box ()
                        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 ();
+                       nframes_t frame_pos = at->current_capture_start ();
                        gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
                        gdouble xend;
                        uint32_t fill_color;
@@ -532,7 +516,7 @@ AudioStreamView::setup_rec_box ()
                                break;
                        }
 
-                       ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
+                       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;
@@ -557,7 +541,7 @@ AudioStreamView::setup_rec_box ()
 
                } else if (rec_active &&
                           (_trackview.session()->record_status() != Session::Recording ||
-                           !_trackview.get_diskstream()->record_enabled())) {
+                           !_trackview.track()->record_enabled())) {
                        screen_update_connection.disconnect();
                        rec_active = false;
                        rec_updating = false;
@@ -631,7 +615,7 @@ AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::we
 
        rec_data_ready_map[src] = true;
 
-       if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
+       if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
                this->update_rec_regions ();
                rec_data_ready_map.clear();
        }
@@ -640,7 +624,7 @@ AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::we
 void
 AudioStreamView::update_rec_regions ()
 {
-       if (use_rec_regions) {
+       if (Config->get_show_waveforms_while_recording ()) {
                uint32_t n = 0;
 
                for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
@@ -671,10 +655,10 @@ AudioStreamView::update_rec_regions ()
 
                                        if (nlen != region->length()) {
 
-                                               region->freeze ();
-                                               region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
+                                               region->suspend_property_changes ();
+                                               region->set_position (_trackview.track()->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 */
@@ -690,16 +674,16 @@ AudioStreamView::update_rec_regions ()
 
                        } else {
 
-                               nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
+                               nframes_t nlen = _trackview.track()->get_captured_frames(n);
 
                                if (nlen != region->length()) {
 
                                        if (region->source_length(0) >= region->start() + nlen) {
 
-                                               region->freeze ();
-                                               region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
+                                               region->suspend_property_changes ();
+                                               region->set_position (_trackview.track()->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 */