2 Copyright (C) 2001-2006 Paul Davis
4 This program is free software; you can r>edistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <boost/scoped_array.hpp>
28 #include <gtkmm2ext/gtk_ui.h>
30 #include "ardour/playlist.h"
31 #include "ardour/audioregion.h"
32 #include "ardour/audiosource.h"
33 #include "ardour/profile.h"
34 #include "ardour/session.h"
36 #include "pbd/memento_command.h"
37 #include "pbd/stacktrace.h"
39 #include "evoral/Curve.hpp"
41 #include "canvas/rectangle.h"
42 #include "canvas/polygon.h"
43 #include "canvas/poly_line.h"
44 #include "canvas/line.h"
45 #include "canvas/text.h"
46 #include "canvas/debug.h"
47 #include "canvas/utils.h"
49 #include "streamview.h"
50 #include "audio_region_view.h"
51 #include "audio_time_axis.h"
52 #include "public_editor.h"
53 #include "audio_region_editor.h"
54 #include "audio_streamview.h"
55 #include "region_gain_line.h"
56 #include "control_point.h"
57 #include "ghostregion.h"
58 #include "audio_time_axis.h"
60 #include "rgb_macros.h"
61 #include "gui_thread.h"
62 #include "ardour_ui.h"
66 #define MUTED_ALPHA 10
69 using namespace ARDOUR;
71 using namespace Editing;
72 using namespace ArdourCanvas;
74 static const int32_t sync_mark_width = 9;
75 static double const handle_size = 15; /* height of fade handles */
77 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
78 Gdk::Color const & basic_color)
79 : RegionView (parent, tv, r, spu, basic_color)
87 , start_xfade_rect (0)
88 , _start_xfade_visible (false)
92 , _end_xfade_visible (false)
93 , _amplitude_above_axis(1.0)
96 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
99 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
100 Gdk::Color const & basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
101 : RegionView (parent, tv, r, spu, basic_color, recording, visibility)
108 , start_xfade_out (0)
109 , start_xfade_rect (0)
110 , _start_xfade_visible (false)
114 , _end_xfade_visible (false)
115 , _amplitude_above_axis(1.0)
118 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
121 AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
122 : RegionView (other, boost::shared_ptr<Region> (other_region))
128 , start_xfade_out (0)
129 , start_xfade_rect (0)
130 , _start_xfade_visible (false)
134 , _end_xfade_visible (false)
135 , _amplitude_above_axis (other._amplitude_above_axis)
141 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
142 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
146 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
150 AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
152 // FIXME: Some redundancy here with RegionView::init. Need to figure out
153 // where order is important and where it isn't...
155 RegionView::init (basic_color, wfd);
157 _amplitude_above_axis = 1.0;
159 compute_colors (basic_color);
163 fade_in_shape = new ArdourCanvas::Polygon (group);
164 CANVAS_DEBUG_NAME (fade_in_shape, string_compose ("fade in shape for %1", region()->name()));
165 fade_in_shape->set_fill_color (fade_color);
166 fade_in_shape->set_data ("regionview", this);
168 fade_out_shape = new ArdourCanvas::Polygon (group);
169 CANVAS_DEBUG_NAME (fade_out_shape, string_compose ("fade out shape for %1", region()->name()));
170 fade_out_shape->set_fill_color (fade_color);
171 fade_out_shape->set_data ("regionview", this);
174 fade_in_handle = new ArdourCanvas::Rectangle (group);
175 CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in handle for %1", region()->name()));
176 fade_in_handle->set_fill_color (UINT_RGBA_CHANGE_A (fill_color, 0));
177 fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
179 fade_in_handle->set_data ("regionview", this);
181 fade_out_handle = new ArdourCanvas::Rectangle (group);
182 CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out handle for %1", region()->name()));
183 fade_out_handle->set_fill_color (UINT_RGBA_CHANGE_A (fill_color, 0));
184 fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
186 fade_out_handle->set_data ("regionview", this);
189 setup_fade_handle_positions ();
191 if (!trackview.session()->config.get_show_region_fades()) {
192 set_fade_visibility (false);
195 const string line_name = _region->name() + ":gain";
197 if (!Profile->get_sae()) {
198 gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
201 update_envelope_visibility ();
204 set_height (trackview.current_height());
207 region_sync_changed ();
209 region_resized (ARDOUR::bounds_change);
211 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
212 (*i)->set_duration (_region->length() / samples_per_pixel);
216 envelope_active_changed ();
217 fade_in_active_changed ();
218 fade_out_active_changed ();
220 reset_width_dependent_items (_pixel_width);
222 fade_in_shape->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
223 if (fade_in_handle) {
224 fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
227 fade_out_shape->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
229 if (fade_out_handle) {
230 fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
235 setup_waveform_visibility ();
236 setup_waveform_shape ();
238 if (frame_handle_start) {
239 frame_handle_start->raise_to_top ();
241 if (frame_handle_end) {
242 frame_handle_end->raise_to_top ();
245 /* XXX sync mark drag? */
248 AudioRegionView::~AudioRegionView ()
250 in_destructor = true;
252 RegionViewGoingAway (this); /* EMIT_SIGNAL */
254 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
258 for (list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
259 delete ((*i).second);
262 /* all waveviews etc will be destroyed when the group is destroyed */
265 boost::shared_ptr<ARDOUR::AudioRegion>
266 AudioRegionView::audio_region() const
268 // "Guaranteed" to succeed...
269 return boost::dynamic_pointer_cast<AudioRegion>(_region);
273 AudioRegionView::region_changed (const PropertyChange& what_changed)
275 ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
277 RegionView::region_changed (what_changed);
279 if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
280 region_scale_amplitude_changed ();
282 if (what_changed.contains (ARDOUR::Properties::fade_in)) {
285 if (what_changed.contains (ARDOUR::Properties::fade_out)) {
288 if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
289 fade_in_active_changed ();
291 if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
292 fade_out_active_changed ();
294 if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
295 envelope_active_changed ();
297 if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
298 transients_changed ();
303 AudioRegionView::fade_in_changed ()
305 reset_fade_in_shape ();
309 AudioRegionView::fade_out_changed ()
311 reset_fade_out_shape ();
315 AudioRegionView::fade_in_active_changed ()
317 if (audio_region()->fade_in_active()) {
318 /* XXX: make a themable colour */
319 fade_in_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 90));
321 /* XXX: make a themable colour */
322 fade_in_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 20));
327 AudioRegionView::fade_out_active_changed ()
329 if (audio_region()->fade_out_active()) {
330 /* XXX: make a themable colour */
331 fade_out_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 90));
333 /* XXX: make a themable colour */
334 fade_out_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 20));
340 AudioRegionView::region_scale_amplitude_changed ()
342 for (uint32_t n = 0; n < waves.size(); ++n) {
343 waves[n]->gain_changed ();
348 AudioRegionView::region_renamed ()
350 std::string str = RegionView::make_name ();
352 if (audio_region()->speed_mismatch (trackview.session()->frame_rate())) {
353 str = string ("*") + str;
356 if (_region->muted()) {
357 str = string ("!") + str;
360 set_item_name (str, this);
365 AudioRegionView::region_resized (const PropertyChange& what_changed)
367 AudioGhostRegion* agr;
369 RegionView::region_resized(what_changed);
370 PropertyChange interesting_stuff;
372 interesting_stuff.add (ARDOUR::Properties::start);
373 interesting_stuff.add (ARDOUR::Properties::length);
375 if (what_changed.contains (interesting_stuff)) {
377 for (uint32_t n = 0; n < waves.size(); ++n) {
378 waves[n]->region_resized ();
381 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
382 if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
384 for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
385 (*w)->region_resized ();
390 /* hide transient lines that extend beyond the region end */
392 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
394 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
395 if (l->first > _region->length() - 1) {
405 AudioRegionView::reset_width_dependent_items (double pixel_width)
407 RegionView::reset_width_dependent_items(pixel_width);
408 assert(_pixel_width == pixel_width);
410 if (fade_in_handle) {
411 if (pixel_width <= 6.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
412 fade_in_handle->hide();
413 fade_out_handle->hide();
416 fade_in_handle->show();
417 fade_out_handle->show();
421 AnalysisFeatureList analysis_features = _region->transients();
422 AnalysisFeatureList::const_iterator i;
424 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
426 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
428 float x_pos = trackview.editor().sample_to_pixel (*i);
430 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
431 ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
435 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
436 ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
439 reset_fade_shapes ();
443 AudioRegionView::region_muted ()
445 RegionView::region_muted();
446 set_waveform_colors ();
450 AudioRegionView::setup_fade_handle_positions()
452 /* position of fade handle offset from the top of the region view */
453 double const handle_pos = 2;
455 if (fade_in_handle) {
456 fade_in_handle->set_y0 (handle_pos);
457 fade_in_handle->set_y1 (handle_pos + handle_size);
460 if (fade_out_handle) {
461 fade_out_handle->set_y0 (handle_pos);
462 fade_out_handle->set_y1 (handle_pos + handle_size);
467 AudioRegionView::set_height (gdouble height)
469 RegionView::set_height (height);
471 uint32_t wcnt = waves.size();
473 for (uint32_t n = 0; n < wcnt; ++n) {
476 if (height < NAME_HIGHLIGHT_THRESH) {
477 ht = ((height - 2 * wcnt) / (double) wcnt);
479 ht = (((height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
482 gdouble yoff = n * (ht + 1);
484 waves[n]->set_height (ht);
485 waves[n]->set_y_position (yoff + 2);
490 if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
493 update_envelope_visibility ();
496 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
499 reset_fade_shapes ();
501 /* Update hights for any active feature lines */
502 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
504 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
506 float pos_x = trackview.editor().sample_to_pixel((*l).first);
508 (*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
509 ArdourCanvas::Duple (pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
513 name_text->raise_to_top();
518 AudioRegionView::reset_fade_shapes ()
520 reset_fade_in_shape ();
521 reset_fade_out_shape ();
525 AudioRegionView::reset_fade_in_shape ()
527 reset_fade_in_shape_width (audio_region(), (framecnt_t) audio_region()->fade_in()->back()->when);
531 AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width)
533 if (fade_in_handle == 0) {
537 fade_in_handle->show ();
539 /* smallest size for a fade is 64 frames */
541 width = std::max ((framecnt_t) 64, width);
543 /* round here to prevent little visual glitches with sub-pixel placement */
544 double const pwidth = rint (width / samples_per_pixel);
545 double const handle_left = pwidth;
547 /* Put the fade in handle so that its left side is at the end-of-fade line */
548 fade_in_handle->set_x0 (handle_left);
549 fade_in_handle->set_x1 (handle_left + handle_size);
553 fade_in_shape->hide();
557 if (trackview.session()->config.get_show_region_fades()) {
558 fade_in_shape->show();
561 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
562 double effective_height;
563 std::vector<float> curve(npoints);
565 audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, &curve[0], npoints);
567 if (_height >= NAME_HIGHLIGHT_THRESH) {
568 effective_height = _height - NAME_HIGHLIGHT_SIZE - 2;
570 effective_height = _height - 2;
575 points.assign (npoints, Duple());
577 /* points *MUST* be in anti-clockwise order */
580 double xdelta = pwidth/npoints;
582 for (pi = 0, pc = 0; pc < npoints; ++pc) {
583 points[pi].x = 1 + (pc * xdelta);
584 points[pi++].y = 2 + (effective_height - (curve[pc] * effective_height));
589 redraw_start_xfade_to (ar, width, points, effective_height);
591 /* add 3 more points */
593 points.push_back (Duple());
594 points.push_back (Duple());
595 points.push_back (Duple());
599 points[pi].x = pwidth;
607 /* connect the dots ... */
609 points[pi] = points[0];
611 fade_in_shape->set (points);
613 /* ensure trim handle stays on top */
614 if (frame_handle_start) {
615 frame_handle_start->raise_to_top();
621 AudioRegionView::reset_fade_out_shape ()
623 reset_fade_out_shape_width (audio_region(), (framecnt_t) audio_region()->fade_out()->back()->when);
627 AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width)
629 if (fade_out_handle == 0) {
633 fade_out_handle->show ();
635 /* smallest size for a fade is 64 frames */
637 width = std::max ((framecnt_t) 64, width);
639 /* round here to prevent little visual glitches with sub-pixel placement */
640 double const pwidth = rint (width / samples_per_pixel);
642 double const handle_right = (_region->length() / samples_per_pixel) - pwidth;
644 /* Put the fade out handle so that its right side is at the end-of-fade line;
646 fade_out_handle->set_x0 (handle_right - handle_size);
647 fade_out_handle->set_x1 (handle_right);
649 /* don't show shape if its too small */
653 fade_out_shape->hide();
657 if (trackview.session()->config.get_show_region_fades()) {
658 fade_out_shape->show();
661 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
662 double effective_height;
663 std::vector<float> curve(npoints);
665 audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, &curve[0], npoints);
667 if (_height >= NAME_HIGHLIGHT_THRESH) {
668 effective_height = _height - NAME_HIGHLIGHT_SIZE - 2;
670 effective_height = _height - 2;
673 /* points *MUST* be in anti-clockwise order */
678 double xdelta = pwidth/npoints;
680 points.assign (npoints, Duple ());
682 for (pi = 0, pc = 0; pc < npoints; ++pc, ++pi) {
683 points[pi].x = _pixel_width - pwidth + (pc * xdelta);
684 points[pi].y = 2 + (effective_height - (curve[pc] * effective_height));
689 redraw_end_xfade_to (ar, width, points, effective_height);
691 /* fill the polygon*/
693 /* add 3 more points */
695 points.push_back (Duple());
696 points.push_back (Duple());
697 points.push_back (Duple());
701 points[pi].x = _pixel_width;
702 points[pi].y = effective_height;
705 points[pi].x = _pixel_width;
709 /* connect the dots ... */
711 points[pi] = points[0];
713 fade_out_shape->set (points);
715 /* ensure trim handle stays on top */
716 if (frame_handle_end) {
717 frame_handle_end->raise_to_top();
723 AudioRegionView::get_fade_in_shape_width ()
725 return audio_region()->fade_in()->back()->when;
729 AudioRegionView::get_fade_out_shape_width ()
731 return audio_region()->fade_out()->back()->when;
736 AudioRegionView::redraw_start_xfade ()
738 boost::shared_ptr<AudioRegion> ar (audio_region());
740 if (!ar->fade_in() || ar->fade_in()->empty()) {
745 reset_fade_in_shape_width (ar, ar->fade_in()->back()->when);
749 AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t /*width*/, Points& points, double effective_height)
751 if (points.size() < 3) {
755 if (!start_xfade_in) {
756 start_xfade_in = new ArdourCanvas::PolyLine (group);
757 CANVAS_DEBUG_NAME (start_xfade_in, string_compose ("xfade start in line for %1", region()->name()));
758 start_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
759 start_xfade_in->set_outline_width (1.5);
762 if (!start_xfade_out) {
763 start_xfade_out = new ArdourCanvas::PolyLine (group);
764 CANVAS_DEBUG_NAME (start_xfade_out, string_compose ("xfade start out line for %1", region()->name()));
765 uint32_t col = UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
766 start_xfade_out->set_outline_color (col);
767 start_xfade_out->set_outline_width (2.0);
770 if (!start_xfade_rect) {
771 start_xfade_rect = new ArdourCanvas::Rectangle (group);
772 CANVAS_DEBUG_NAME (start_xfade_rect, string_compose ("xfade start rect for %1", region()->name()));
773 start_xfade_rect->set_fill (true);
774 start_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
775 start_xfade_rect->set_outline (false);
776 start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
777 start_xfade_rect->set_data ("regionview", this);
780 start_xfade_rect->set (ArdourCanvas::Rect (points.front().x, 1.0, points.back().x, effective_height));
781 start_xfade_rect->show ();
783 start_xfade_in->set (points);
784 start_xfade_in->show ();
788 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in();
790 Points::size_type npoints = points.size();
792 ipoints.assign (npoints, Duple());
796 for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
797 ArdourCanvas::Duple &p (ipoints[pci]);
799 p.y = effective_height - points[pci].y;
804 std::vector<float> vec(npoints);
805 inverse->curve().get_vector (0, inverse->back()->when, &vec[0], npoints);
807 for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
808 ArdourCanvas::Duple &p (ipoints[pci]);
810 p.y = 1.0 + effective_height - (effective_height * vec[i]);
814 start_xfade_out->set (ipoints);
815 start_xfade_out->show ();
821 AudioRegionView::redraw_end_xfade ()
823 boost::shared_ptr<AudioRegion> ar (audio_region());
825 if (!ar->fade_out() || ar->fade_out()->empty()) {
831 reset_fade_out_shape_width (ar, ar->fade_out()->back()->when);
835 AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t width, Points& points, double effective_height)
837 if (points.size() < 3) {
842 end_xfade_in = new ArdourCanvas::PolyLine (group);
843 CANVAS_DEBUG_NAME (end_xfade_in, string_compose ("xfade end in line for %1", region()->name()));
844 uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
845 end_xfade_in->set_outline_color (col);
846 end_xfade_in->set_outline_width (1.5);
849 if (!end_xfade_out) {
850 end_xfade_out = new ArdourCanvas::PolyLine (group);
851 CANVAS_DEBUG_NAME (end_xfade_out, string_compose ("xfade end out line for %1", region()->name()));
852 end_xfade_out->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
853 end_xfade_out->set_outline_width (2.0);
856 if (!end_xfade_rect) {
857 end_xfade_rect = new ArdourCanvas::Rectangle (group);
858 CANVAS_DEBUG_NAME (end_xfade_rect, string_compose ("xfade end rect for %1", region()->name()));
859 end_xfade_rect->set_fill (true);
860 end_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
861 end_xfade_rect->set_outline (0);
862 end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
863 end_xfade_rect->set_data ("regionview", this);
866 end_xfade_rect->set (ArdourCanvas::Rect (points.front().x, 1.0, points.back().x, effective_height));
867 end_xfade_rect->show ();
869 end_xfade_in->set (points);
870 end_xfade_in->show ();
871 end_xfade_in->raise_to_top ();
875 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
877 Points::size_type npoints = points.size();
879 ipoints.assign (npoints, Duple());
883 const double rend = trackview.editor().sample_to_pixel (_region->length() - points.back().y);
885 for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
886 ArdourCanvas::Duple &p (ipoints[pci]);
888 p.y = effective_height - points[pci].y;
893 boost::scoped_array<float> vec (new float[npoints]);
894 inverse->curve().get_vector (inverse->front()->when, inverse->back()->when, vec.get(), npoints);
896 const double rend = trackview.editor().sample_to_pixel (_region->length() - width);
898 float* vp = vec.get();
900 for (Points::size_type i = 0, pci = 0; i < npoints; ++i) {
901 ArdourCanvas::Duple& p (ipoints[pci++]);
903 p.y = 1.0 + effective_height - (effective_height * vp[i]);
907 end_xfade_out->set (ipoints);
908 end_xfade_out->show ();
909 end_xfade_out->raise_to_top ();
911 end_xfade_rect->raise_to_top (); //this needs to be topmost so the lines don't steal mouse focus
917 AudioRegionView::hide_xfades ()
924 AudioRegionView::hide_start_xfade ()
926 if (start_xfade_in) {
927 start_xfade_in->hide();
929 if (start_xfade_out) {
930 start_xfade_out->hide();
932 if (start_xfade_rect) {
933 start_xfade_rect->hide ();
936 _start_xfade_visible = false;
940 AudioRegionView::hide_end_xfade ()
943 end_xfade_in->hide();
946 end_xfade_out->hide();
948 if (end_xfade_rect) {
949 end_xfade_rect->hide ();
952 _end_xfade_visible = false;
956 AudioRegionView::show_start_xfade ()
958 if (start_xfade_in) {
959 start_xfade_in->show();
961 if (start_xfade_out) {
962 start_xfade_out->show();
964 if (start_xfade_rect) {
965 start_xfade_rect->show ();
968 _start_xfade_visible = true;
972 AudioRegionView::show_end_xfade ()
975 end_xfade_in->show();
978 end_xfade_out->show();
980 if (end_xfade_rect) {
981 end_xfade_rect->show ();
984 _end_xfade_visible = true;
988 AudioRegionView::set_samples_per_pixel (gdouble fpp)
990 RegionView::set_samples_per_pixel (fpp);
992 if (Config->get_show_waveforms ()) {
993 for (uint32_t n = 0; n < waves.size(); ++n) {
994 waves[n]->set_samples_per_pixel (fpp);
1002 reset_fade_shapes ();
1006 AudioRegionView::set_amplitude_above_axis (gdouble a)
1008 for (uint32_t n=0; n < waves.size(); ++n) {
1009 waves[n]->set_amplitude_above_axis (a);
1014 AudioRegionView::compute_colors (Gdk::Color const & basic_color)
1016 RegionView::compute_colors (basic_color);
1018 /* gain color computed in envelope_active_changed() */
1020 fade_color = UINT_RGBA_CHANGE_A (fill_color, 120);
1024 AudioRegionView::set_colors ()
1026 RegionView::set_colors();
1029 gain_line->set_line_color (audio_region()->envelope_active() ?
1030 ARDOUR_UI::config()->get_canvasvar_GainLine() :
1031 ARDOUR_UI::config()->get_canvasvar_GainLineInactive());
1034 set_waveform_colors ();
1036 if (start_xfade_in) {
1037 start_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
1039 if (start_xfade_out) {
1040 uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
1041 start_xfade_out->set_outline_color (col);
1044 end_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
1046 if (end_xfade_out) {
1047 uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
1048 end_xfade_out->set_outline_color (col);
1051 if (start_xfade_rect) {
1052 start_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
1054 if (end_xfade_rect) {
1055 end_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
1060 AudioRegionView::setup_waveform_visibility ()
1062 if (Config->get_show_waveforms ()) {
1063 for (uint32_t n = 0; n < waves.size(); ++n) {
1064 /* make sure the zoom level is correct, since we don't update
1065 this when waveforms are hidden.
1068 // waves[n]->set_samples_per_pixel (_samples_per_pixel);
1072 for (uint32_t n = 0; n < waves.size(); ++n) {
1079 AudioRegionView::temporarily_hide_envelope ()
1087 AudioRegionView::unhide_envelope ()
1089 update_envelope_visibility ();
1093 AudioRegionView::update_envelope_visibility ()
1099 if (Config->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1100 gain_line->add_visibility (AutomationLine::Line);
1107 AudioRegionView::create_waves ()
1109 // cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
1110 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
1116 ChanCount nchans = atv.track()->n_channels();
1118 // cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
1119 // << " and channels = " << nchans.n_audio() << endl;
1121 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
1122 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
1123 tmp_waves.push_back (0);
1126 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
1130 _data_ready_connections.clear ();
1132 for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
1133 _data_ready_connections.push_back (0);
1136 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
1138 if (n >= audio_region()->n_channels()) {
1142 // cerr << "\tchannel " << n << endl;
1144 if (wait_for_data) {
1145 if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
1146 // cerr << "\tData is ready\n";
1147 create_one_wave (n, true);
1149 // cerr << "\tdata is not ready\n";
1150 // we'll get a PeaksReady signal from the source in the future
1151 // and will call create_one_wave(n) then.
1155 // cerr << "\tdon't delay, display today!\n";
1156 create_one_wave (n, true);
1163 AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
1165 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
1166 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
1167 uint32_t nchans = atv.track()->n_channels().n_audio();
1169 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
1172 if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
1173 ht = ((trackview.current_height()) / (double) nchans);
1175 ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
1178 gdouble yoff = which * ht;
1180 WaveView *wave = new WaveView (group, audio_region ());
1181 CANVAS_DEBUG_NAME (wave, string_compose ("wave view for chn %1 of %2", which, get_item_name()));
1183 wave->set_channel (which);
1184 wave->set_y_position (yoff);
1185 wave->set_height (ht);
1186 wave->set_samples_per_pixel (samples_per_pixel);
1187 wave->set_show_zero_line (true);
1189 switch (Config->get_waveform_shape()) {
1191 wave->set_shape (WaveView::Rectified);
1194 wave->set_shape (WaveView::Normal);
1197 wave->set_logscaled (Config->get_waveform_scale() == Logarithmic);
1199 if (!Config->get_show_waveforms ()) {
1203 /* note: calling this function is serialized by the lock
1204 held in the peak building thread that signals that
1205 peaks are ready for use *or* by the fact that it is
1206 called one by one from the GUI thread.
1209 if (which < nchans) {
1210 tmp_waves[which] = wave;
1212 /* n-channel track, >n-channel source */
1215 /* see if we're all ready */
1217 for (n = 0; n < nchans; ++n) {
1218 if (tmp_waves[n] == 0) {
1223 if (n == nwaves && waves.empty()) {
1224 /* all waves are ready */
1225 tmp_waves.resize(nwaves);
1230 /* all waves created, don't hook into peaks ready anymore */
1231 delete _data_ready_connections[which];
1232 _data_ready_connections[which] = 0;
1237 AudioRegionView::peaks_ready_handler (uint32_t which)
1239 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
1240 // cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
1244 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
1252 /* don't create points that can't be seen */
1254 update_envelope_visibility ();
1259 item->canvas_to_item (x, y);
1261 framepos_t fx = trackview.editor().pixel_to_sample (x);
1263 if (fx > _region->length()) {
1267 /* compute vertical fractional position */
1269 y = 1.0 - (y / (_height - NAME_HIGHLIGHT_SIZE));
1271 /* map using gain line */
1273 gain_line->view_to_model_coord (x, y);
1275 /* XXX STATEFUL: can't convert to stateful diff until we
1276 can represent automation data with it.
1279 trackview.session()->begin_reversible_command (_("add gain control point"));
1280 XMLNode &before = audio_region()->envelope()->get_state();
1282 if (!audio_region()->envelope_active()) {
1283 XMLNode ®ion_before = audio_region()->get_state();
1284 audio_region()->set_envelope_active(true);
1285 XMLNode ®ion_after = audio_region()->get_state();
1286 trackview.session()->add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
1289 audio_region()->envelope()->add (fx, y);
1291 XMLNode &after = audio_region()->envelope()->get_state();
1292 trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
1293 trackview.session()->commit_reversible_command ();
1297 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent* /*ev*/)
1299 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
1300 audio_region()->envelope()->erase (cp->model());
1304 AudioRegionView::setup_waveform_shape ()
1306 WaveView::Shape shape;
1308 switch (Config->get_waveform_shape()) {
1310 shape = WaveView::Rectified;
1313 shape = WaveView::Normal;
1315 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1316 (*wave)->set_shape (shape);
1321 AudioRegionView::setup_waveform_scale ()
1323 WaveView::set_global_logscaled (Config->get_waveform_scale() == Logarithmic);
1327 AudioRegionView::setup_waveform_clipping ()
1329 WaveView::set_global_show_waveform_clipping (ARDOUR_UI::config()->get_show_waveform_clipping());
1333 AudioRegionView::add_ghost (TimeAxisView& tv)
1335 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1338 double unit_position = _region->position () / samples_per_pixel;
1339 AudioGhostRegion* ghost = new AudioGhostRegion (tv, trackview, unit_position);
1342 nchans = rtv->track()->n_channels().n_audio();
1344 for (uint32_t n = 0; n < nchans; ++n) {
1346 if (n >= audio_region()->n_channels()) {
1350 WaveView *wave = new WaveView (ghost->group, audio_region());
1351 CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
1353 wave->set_channel (n);
1354 wave->set_samples_per_pixel (samples_per_pixel);
1355 wave->set_amplitude_above_axis (_amplitude_above_axis);
1357 ghost->waves.push_back(wave);
1360 ghost->set_height ();
1361 ghost->set_duration (_region->length() / samples_per_pixel);
1362 ghost->set_colors();
1363 ghosts.push_back (ghost);
1369 AudioRegionView::entered (bool internal_editing)
1371 trackview.editor().set_current_trimmable (_region);
1372 trackview.editor().set_current_movable (_region);
1374 if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1375 gain_line->add_visibility (AutomationLine::ControlPoints);
1378 if (fade_in_handle && !internal_editing) {
1379 fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
1380 fade_in_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 255));
1381 fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
1382 fade_out_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 255));
1387 AudioRegionView::exited ()
1389 trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
1390 trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
1392 if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1393 gain_line->remove_visibility (AutomationLine::ControlPoints);
1396 if (fade_in_handle) {
1397 fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
1398 fade_in_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 0));
1399 fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
1400 fade_out_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 0));
1405 AudioRegionView::envelope_active_changed ()
1408 gain_line->set_line_color (audio_region()->envelope_active() ?
1409 ARDOUR_UI::config()->get_canvasvar_GainLine() :
1410 ARDOUR_UI::config()->get_canvasvar_GainLineInactive());
1415 AudioRegionView::color_handler ()
1417 //case cMutedWaveForm:
1419 //case cWaveFormClip:
1423 //case cGainLineInactive:
1425 envelope_active_changed();
1430 AudioRegionView::set_waveform_colors ()
1432 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1433 set_one_waveform_color (*w);
1438 AudioRegionView::set_one_waveform_color (ArdourCanvas::WaveView* wave)
1440 ArdourCanvas::Color fill;
1441 ArdourCanvas::Color outline;
1444 if (_region->muted()) {
1445 outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_SelectedWaveForm(), MUTED_ALPHA);
1447 outline = ARDOUR_UI::config()->get_canvasvar_SelectedWaveForm();
1449 fill = ARDOUR_UI::config()->get_canvasvar_SelectedWaveFormFill();
1452 outline = ARDOUR_UI::config()->get_canvasvar_RecWaveForm();
1453 fill = ARDOUR_UI::config()->get_canvasvar_RecWaveFormFill();
1455 if (_region->muted()) {
1456 outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveForm(), MUTED_ALPHA);
1458 outline = ARDOUR_UI::config()->get_canvasvar_WaveForm();
1460 fill = ARDOUR_UI::config()->get_canvasvar_WaveFormFill();
1464 if (ARDOUR_UI::config()->get_color_regions_using_track_color()) {
1466 /* just use a slightly transparent version of the selected
1467 * color so that some of the track color bleeds through
1471 ArdourCanvas::color_to_rgba (fill, r, g, b, a);
1472 fill = ArdourCanvas::rgba_to_color (r, g, b, 0.85); /* magic number, not user controllable */
1476 wave->set_fill_color (fill);
1477 wave->set_outline_color (outline);
1478 wave->set_clip_color (ARDOUR_UI::config()->get_canvasvar_WaveFormClip());
1479 wave->set_zero_color (ARDOUR_UI::config()->get_canvasvar_ZeroLine());
1483 AudioRegionView::set_frame_color ()
1489 if (_region->opaque()) {
1495 TimeAxisViewItem::set_frame_color ();
1497 set_waveform_colors ();
1501 AudioRegionView::set_fade_visibility (bool yn)
1504 if (fade_in_shape) {
1505 fade_in_shape->show();
1507 if (fade_out_shape) {
1508 fade_out_shape->show ();
1510 if (fade_in_handle) {
1511 fade_in_handle->show ();
1513 if (fade_out_handle) {
1514 fade_out_handle->show ();
1517 if (fade_in_shape) {
1518 fade_in_shape->hide();
1520 if (fade_out_shape) {
1521 fade_out_shape->hide ();
1523 if (fade_in_handle) {
1524 fade_in_handle->hide ();
1526 if (fade_out_handle) {
1527 fade_out_handle->hide ();
1533 AudioRegionView::update_coverage_frames (LayerDisplay d)
1535 RegionView::update_coverage_frames (d);
1537 if (fade_in_handle) {
1538 fade_in_handle->raise_to_top ();
1539 fade_out_handle->raise_to_top ();
1544 AudioRegionView::show_region_editor ()
1547 editor = new AudioRegionEditor (trackview.session(), audio_region());
1555 AudioRegionView::transients_changed ()
1557 AnalysisFeatureList analysis_features = _region->transients();
1559 while (feature_lines.size() < analysis_features.size()) {
1561 ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
1562 CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
1564 canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
1565 ArdourCanvas::Duple (1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
1567 canvas_item->property_first_arrowhead() = TRUE;
1568 canvas_item->property_last_arrowhead() = TRUE;
1569 canvas_item->property_arrow_shape_a() = 11.0;
1570 canvas_item->property_arrow_shape_b() = 0.0;
1571 canvas_item->property_arrow_shape_c() = 4.0;
1573 canvas_item->raise_to_top ();
1574 canvas_item->show ();
1576 canvas_item->set_data ("regionview", this);
1577 canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
1579 feature_lines.push_back (make_pair(0, canvas_item));
1582 while (feature_lines.size() > analysis_features.size()) {
1583 ArdourCanvas::Line* line = feature_lines.back().second;
1584 feature_lines.pop_back ();
1588 AnalysisFeatureList::const_iterator i;
1589 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1591 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
1593 float *pos = new float;
1594 *pos = trackview.editor().sample_to_pixel (*i);
1597 ArdourCanvas::Duple (*pos, 2.0),
1598 ArdourCanvas::Duple (*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1)
1601 (*l).second->set_data ("position", pos);
1607 AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
1609 /* Find frame at old pos, calulate new frame then update region transients*/
1610 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1612 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1614 /* Line has been updated in drag so we compare to new_pos */
1616 float* pos = (float*) (*l).second->get_data ("position");
1618 if (rint(new_pos) == rint(*pos)) {
1620 framepos_t old_frame = (*l).first;
1621 framepos_t new_frame = trackview.editor().pixel_to_sample (new_pos);
1623 _region->update_transient (old_frame, new_frame);
1631 AudioRegionView::remove_transient(float pos)
1633 /* Find frame at old pos, calulate new frame then update region transients*/
1634 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1636 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1638 /* Line has been updated in drag so we compare to new_pos */
1639 float *line_pos = (float*) (*l).second->get_data ("position");
1641 if (rint(pos) == rint(*line_pos)) {
1642 _region->remove_transient ((*l).first);
1649 AudioRegionView::thaw_after_trim ()
1651 RegionView::thaw_after_trim ();
1658 AudioRegionView::show_xfades ()
1660 show_start_xfade ();
1665 AudioRegionView::drag_start ()
1667 TimeAxisViewItem::drag_start ();
1669 //we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed
1673 AudioRegionView::drag_end ()
1675 TimeAxisViewItem::drag_end ();
1677 //see comment for drag_start
1681 AudioRegionView::parameter_changed (string const & p)
1683 if (p == "show-waveforms") {
1684 setup_waveform_visibility ();
1685 } else if (p == "waveform-scale") {
1686 setup_waveform_scale ();
1687 } else if (p == "waveform-shape") {
1688 setup_waveform_shape ();
1689 } else if (p == "show-waveform-clipping") {
1690 setup_waveform_clipping ();