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.
23 #include <boost/scoped_array.hpp>
27 #include <gtkmm2ext/gtk_ui.h>
29 #include "ardour/playlist.h"
30 #include "ardour/audioregion.h"
31 #include "ardour/audiosource.h"
32 #include "ardour/profile.h"
33 #include "ardour/session.h"
35 #include "pbd/memento_command.h"
36 #include "pbd/stacktrace.h"
38 #include "evoral/Curve.hpp"
40 #include "canvas/rectangle.h"
41 #include "canvas/polygon.h"
42 #include "canvas/poly_line.h"
43 #include "canvas/line.h"
44 #include "canvas/text.h"
46 #include "streamview.h"
47 #include "audio_region_view.h"
48 #include "audio_time_axis.h"
49 #include "public_editor.h"
50 #include "audio_region_editor.h"
51 #include "audio_streamview.h"
52 #include "region_gain_line.h"
53 #include "control_point.h"
54 #include "ghostregion.h"
55 #include "audio_time_axis.h"
57 #include "rgb_macros.h"
58 #include "gui_thread.h"
59 #include "ardour_ui.h"
63 #define MUTED_ALPHA 10
66 using namespace ARDOUR;
68 using namespace Editing;
69 using namespace ArdourCanvas;
71 static const int32_t sync_mark_width = 9;
72 static double const handle_size = 6; /* height of fade handles */
74 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
75 Gdk::Color const & basic_color)
76 : RegionView (parent, tv, r, spu, basic_color)
84 , start_xfade_rect (0)
85 , _start_xfade_visible (false)
89 , _end_xfade_visible (false)
90 , _amplitude_above_axis(1.0)
93 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
96 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
97 Gdk::Color const & basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
98 : RegionView (parent, tv, r, spu, basic_color, recording, visibility)
105 , start_xfade_out (0)
106 , start_xfade_rect (0)
107 , _start_xfade_visible (false)
111 , _end_xfade_visible (false)
112 , _amplitude_above_axis(1.0)
115 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
118 AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
119 : RegionView (other, boost::shared_ptr<Region> (other_region))
125 , start_xfade_out (0)
126 , start_xfade_rect (0)
127 , _start_xfade_visible (false)
131 , _end_xfade_visible (false)
132 , _amplitude_above_axis (other._amplitude_above_axis)
138 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
139 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
143 Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
147 AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
149 // FIXME: Some redundancy here with RegionView::init. Need to figure out
150 // where order is important and where it isn't...
152 RegionView::init (basic_color, wfd);
154 _amplitude_above_axis = 1.0;
156 compute_colors (basic_color);
160 fade_in_shape = new ArdourCanvas::Polygon (group);
161 fade_in_shape->set_fill_color (fade_color);
162 fade_in_shape->set_data ("regionview", this);
164 fade_out_shape = new ArdourCanvas::Polygon (group);
165 fade_out_shape->set_fill_color (fade_color);
166 fade_out_shape->set_data ("regionview", this);
169 fade_in_handle = new ArdourCanvas::Rectangle (group);
170 fade_in_handle->set_fill_color (UINT_RGBA_CHANGE_A (fill_color, 0));
171 fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
173 fade_in_handle->set_data ("regionview", this);
175 fade_out_handle = new ArdourCanvas::Rectangle (group);
176 fade_out_handle->set_fill_color (UINT_RGBA_CHANGE_A (fill_color, 0));
177 fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
179 fade_out_handle->set_data ("regionview", this);
182 setup_fade_handle_positions ();
184 if (!trackview.session()->config.get_show_region_fades()) {
185 set_fade_visibility (false);
188 const string line_name = _region->name() + ":gain";
190 if (!Profile->get_sae()) {
191 gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
194 update_envelope_visibility ();
197 set_height (trackview.current_height());
200 region_sync_changed ();
202 region_resized (ARDOUR::bounds_change);
204 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
205 (*i)->set_duration (_region->length() / samples_per_pixel);
209 envelope_active_changed ();
210 fade_in_active_changed ();
211 fade_out_active_changed ();
213 reset_width_dependent_items (_pixel_width);
215 fade_in_shape->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
216 if (fade_in_handle) {
217 fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
220 fade_out_shape->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
222 if (fade_out_handle) {
223 fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
228 setup_waveform_visibility ();
229 setup_waveform_shape ();
230 setup_waveform_scale ();
232 /* XXX sync mark drag? */
235 AudioRegionView::~AudioRegionView ()
237 in_destructor = true;
239 RegionViewGoingAway (this); /* EMIT_SIGNAL */
241 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
245 for (list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
246 delete ((*i).second);
249 /* all waveviews etc will be destroyed when the group is destroyed */
252 boost::shared_ptr<ARDOUR::AudioRegion>
253 AudioRegionView::audio_region() const
255 // "Guaranteed" to succeed...
256 return boost::dynamic_pointer_cast<AudioRegion>(_region);
260 AudioRegionView::region_changed (const PropertyChange& what_changed)
262 ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
264 RegionView::region_changed (what_changed);
266 if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
267 region_scale_amplitude_changed ();
269 if (what_changed.contains (ARDOUR::Properties::fade_in)) {
272 if (what_changed.contains (ARDOUR::Properties::fade_out)) {
275 if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
276 fade_in_active_changed ();
278 if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
279 fade_out_active_changed ();
281 if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
282 envelope_active_changed ();
284 if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
285 transients_changed ();
290 AudioRegionView::fade_in_changed ()
292 reset_fade_in_shape ();
296 AudioRegionView::fade_out_changed ()
298 reset_fade_out_shape ();
302 AudioRegionView::fade_in_active_changed ()
304 if (audio_region()->fade_in_active()) {
305 /* XXX: make a themable colour */
306 fade_in_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 90));
308 /* XXX: make a themable colour */
309 fade_in_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 20));
314 AudioRegionView::fade_out_active_changed ()
316 if (audio_region()->fade_out_active()) {
317 /* XXX: make a themable colour */
318 fade_out_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 90));
320 /* XXX: make a themable colour */
321 fade_out_shape->set_fill_color (RGBA_TO_UINT (45, 45, 45, 20));
327 AudioRegionView::region_scale_amplitude_changed ()
329 double g = audio_region()->scale_amplitude ();
331 for (uint32_t n = 0; n < waves.size(); ++n) {
332 waves[n]->set_amplitude (g);
337 AudioRegionView::region_renamed ()
339 std::string str = RegionView::make_name ();
341 if (audio_region()->speed_mismatch (trackview.session()->frame_rate())) {
342 str = string ("*") + str;
345 if (_region->muted()) {
346 str = string ("!") + str;
349 set_item_name (str, this);
354 AudioRegionView::region_resized (const PropertyChange& what_changed)
356 AudioGhostRegion* agr;
358 RegionView::region_resized(what_changed);
359 PropertyChange interesting_stuff;
361 interesting_stuff.add (ARDOUR::Properties::start);
362 interesting_stuff.add (ARDOUR::Properties::length);
364 if (what_changed.contains (interesting_stuff)) {
366 for (uint32_t n = 0; n < waves.size(); ++n) {
367 waves[n]->region_resized ();
368 waves[n]->set_region_start (region()->start ());
371 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
372 if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
374 for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
375 (*w)->region_resized ();
376 (*w)->set_region_start (region()->start ());
381 /* hide transient lines that extend beyond the region end */
383 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
385 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
386 if (l->first > _region->length() - 1) {
396 AudioRegionView::reset_width_dependent_items (double pixel_width)
398 RegionView::reset_width_dependent_items(pixel_width);
399 assert(_pixel_width == pixel_width);
401 if (fade_in_handle) {
402 if (pixel_width <= 6.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
403 fade_in_handle->hide();
404 fade_out_handle->hide();
407 fade_in_handle->show();
408 fade_out_handle->show();
412 AnalysisFeatureList analysis_features = _region->transients();
413 AnalysisFeatureList::const_iterator i;
415 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
417 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
419 float x_pos = trackview.editor().sample_to_pixel (*i);
421 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
422 ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
426 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
427 ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
430 reset_fade_shapes ();
434 AudioRegionView::region_muted ()
436 RegionView::region_muted();
438 for (uint32_t n=0; n < waves.size(); ++n) {
439 if (_region->muted()) {
440 waves[n]->set_outline_color (UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveForm(), MUTED_ALPHA));
442 waves[n]->set_outline_color (ARDOUR_UI::config()->get_canvasvar_WaveForm());
448 AudioRegionView::setup_fade_handle_positions()
450 /* position of fade handle offset from the top of the region view */
451 double const handle_pos = 2;
453 if (fade_in_handle) {
454 fade_in_handle->set_y0 (handle_pos);
455 fade_in_handle->set_y1 (handle_pos + handle_size);
458 if (fade_out_handle) {
459 fade_out_handle->set_y0 (handle_pos);
460 fade_out_handle->set_y1 (handle_pos + handle_size);
465 AudioRegionView::set_height (gdouble height)
467 RegionView::set_height (height);
469 uint32_t wcnt = waves.size();
471 for (uint32_t n = 0; n < wcnt; ++n) {
474 if (height < NAME_HIGHLIGHT_THRESH) {
475 ht = ((height - 2 * wcnt) / (double) wcnt);
477 ht = (((height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
480 gdouble yoff = n * (ht + 1);
482 waves[n]->set_height (ht);
483 waves[n]->set_y_position (yoff + 2);
488 if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
491 update_envelope_visibility ();
494 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
497 reset_fade_shapes ();
499 /* Update hights for any active feature lines */
500 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
502 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
504 float pos_x = trackview.editor().sample_to_pixel((*l).first);
506 (*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
507 ArdourCanvas::Duple (pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
511 name_text->raise_to_top();
516 AudioRegionView::reset_fade_shapes ()
518 reset_fade_in_shape ();
519 reset_fade_out_shape ();
523 AudioRegionView::reset_fade_in_shape ()
525 reset_fade_in_shape_width (audio_region(), (framecnt_t) audio_region()->fade_in()->back()->when);
529 AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width)
531 if (fade_in_handle == 0) {
535 fade_in_handle->show ();
537 /* smallest size for a fade is 64 frames */
539 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 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
548 double const handle_center = pwidth;
550 /* Put the fade in handle so that its left side is at the end-of-fade line */
551 fade_in_handle->set_x0 (handle_center);
552 fade_in_handle->set_x1 (handle_center + handle_size);
556 fade_in_shape->hide();
560 if (trackview.session()->config.get_show_region_fades()) {
561 fade_in_shape->show();
564 float curve[npoints];
565 audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, curve, npoints);
567 points = get_canvas_points ("fade in shape", npoints + 3);
569 if (_height >= NAME_HIGHLIGHT_THRESH) {
570 h = _height - NAME_HIGHLIGHT_SIZE - 2;
575 /* points *MUST* be in anti-clockwise order */
578 double xdelta = pwidth/npoints;
580 for (pi = 0, pc = 0; pc < npoints; ++pc) {
581 (*points)[pi].x = 1 + (pc * xdelta);
582 (*points)[pi++].y = 2 + (h - (curve[pc] * h));
587 (*points)[pi].x = pwidth;
588 (*points)[pi++].y = 2;
591 (*points)[pi++].y = 2;
593 /* connect the dots ... */
595 (*points)[pi] = (*points)[0];
597 fade_in_shape->set (*points);
600 redraw_start_xfade_to ( ar, width);
602 /* ensure trim handle stays on top */
603 if (frame_handle_start) {
604 frame_handle_start->raise_to_top();
610 AudioRegionView::reset_fade_out_shape ()
612 reset_fade_out_shape_width (audio_region(), (framecnt_t) audio_region()->fade_out()->back()->when);
616 AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width)
618 if (fade_out_handle == 0) {
622 fade_out_handle->show ();
624 /* smallest size for a fade is 64 frames */
626 width = std::max ((framecnt_t) 64, width);
630 /* round here to prevent little visual glitches with sub-pixel placement */
631 double const pwidth = rint (width / samples_per_pixel);
632 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
635 double const handle_center = (_region->length() - width) / samples_per_pixel;
637 /* Put the fade out handle so that its right side is at the end-of-fade line;
638 * it's `one out' for precise pixel accuracy.
640 fade_out_handle->set_x0 (handle_center - 5);
641 fade_out_handle->set_x1 (handle_center + 1);
643 /* don't show shape if its too small */
647 fade_out_shape->hide();
651 if (trackview.session()->config.get_show_region_fades()) {
652 fade_out_shape->show();
655 float curve[npoints];
656 audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, curve, npoints);
658 if (_height >= NAME_HIGHLIGHT_THRESH) {
659 h = _height - NAME_HIGHLIGHT_SIZE - 2;
664 /* points *MUST* be in anti-clockwise order */
666 points = get_canvas_points ("fade out shape", npoints + 3);
669 double xdelta = pwidth/npoints;
671 for (pi = 0, pc = 0; pc < npoints; ++pc) {
672 (*points)[pi].x = _pixel_width - pwidth + (pc * xdelta);
673 (*points)[pi++].y = 2 + (h - (curve[pc] * h));
678 (*points)[pi].x = _pixel_width;
679 (*points)[pi++].y = h;
681 (*points)[pi].x = _pixel_width;
682 (*points)[pi++].y = 2;
684 /* connect the dots ... */
686 (*points)[pi] = (*points)[0];
688 fade_out_shape->set (*points);
691 redraw_end_xfade_to (ar, width);
693 /* ensure trim handle stays on top */
694 if (frame_handle_end) {
695 frame_handle_end->raise_to_top();
701 AudioRegionView::get_fade_in_shape_width ()
703 return audio_region()->fade_in()->back()->when;
707 AudioRegionView::get_fade_out_shape_width ()
709 return audio_region()->fade_out()->back()->when;
714 AudioRegionView::set_samples_per_pixel (gdouble fpp)
716 RegionView::set_samples_per_pixel (fpp);
718 if (Config->get_show_waveforms ()) {
719 for (uint32_t n = 0; n < waves.size(); ++n) {
720 waves[n]->set_samples_per_pixel (fpp);
728 reset_fade_shapes ();
732 AudioRegionView::set_amplitude_above_axis (gdouble spp)
734 for (uint32_t n=0; n < waves.size(); ++n) {
735 waves[n]->property_amplitude_above_axis() = spp;
740 AudioRegionView::compute_colors (Gdk::Color const & basic_color)
742 RegionView::compute_colors (basic_color);
744 /* gain color computed in envelope_active_changed() */
746 fade_color = UINT_RGBA_CHANGE_A (fill_color, 120);
750 AudioRegionView::set_colors ()
752 RegionView::set_colors();
755 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->get_canvasvar_GainLine() : ARDOUR_UI::config()->get_canvasvar_GainLineInactive());
758 for (uint32_t n=0; n < waves.size(); ++n) {
759 if (_region->muted()) {
760 waves[n]->set_outline_color (UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveForm(), MUTED_ALPHA));
762 waves[n]->set_outline_color (ARDOUR_UI::config()->get_canvasvar_WaveForm());
765 waves[n]->set_clip_color (ARDOUR_UI::config()->get_canvasvar_WaveFormClip());
766 waves[n]->set_zero_color (ARDOUR_UI::config()->get_canvasvar_ZeroLine());
771 AudioRegionView::setup_waveform_visibility ()
773 if (Config->get_show_waveforms ()) {
774 for (uint32_t n = 0; n < waves.size(); ++n) {
775 /* make sure the zoom level is correct, since we don't update
776 this when waveforms are hidden.
779 // waves[n]->set_samples_per_pixel (_samples_per_pixel);
783 for (uint32_t n = 0; n < waves.size(); ++n) {
790 AudioRegionView::temporarily_hide_envelope ()
798 AudioRegionView::unhide_envelope ()
800 update_envelope_visibility ();
804 AudioRegionView::update_envelope_visibility ()
810 if (Config->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseGain) {
811 gain_line->add_visibility (AutomationLine::Line);
818 AudioRegionView::create_waves ()
820 // cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
821 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
827 ChanCount nchans = atv.track()->n_channels();
829 // cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
830 // << " and channels = " << nchans.n_audio() << endl;
832 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
833 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
834 tmp_waves.push_back (0);
837 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
841 _data_ready_connections.clear ();
843 for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
844 _data_ready_connections.push_back (0);
847 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
849 if (n >= audio_region()->n_channels()) {
853 // cerr << "\tchannel " << n << endl;
856 if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
857 // cerr << "\tData is ready\n";
858 create_one_wave (n, true);
860 // cerr << "\tdata is not ready\n";
861 // we'll get a PeaksReady signal from the source in the future
862 // and will call create_one_wave(n) then.
866 // cerr << "\tdon't delay, display today!\n";
867 create_one_wave (n, true);
874 AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
876 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
877 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
878 uint32_t nchans = atv.track()->n_channels().n_audio();
880 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
883 if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
884 ht = ((trackview.current_height()) / (double) nchans);
886 ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
889 gdouble yoff = which * ht;
891 WaveView *wave = new WaveView (group, audio_region ());
893 wave->set_channel (which);
894 wave->set_x_position (0);
895 wave->set_y_position (yoff);
896 wave->set_height (ht);
897 wave->set_samples_per_pixel (samples_per_pixel);
898 wave->property_amplitude_above_axis() = _amplitude_above_axis;
901 wave->set_outline_color (_region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_RecWaveForm(), MUTED_ALPHA) : ARDOUR_UI::config()->get_canvasvar_RecWaveForm());
902 wave->set_fill_color (ARDOUR_UI::config()->get_canvasvar_RecWaveFormFill());
904 wave->set_outline_color (_region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveForm(), MUTED_ALPHA) : ARDOUR_UI::config()->get_canvasvar_WaveForm());
905 wave->set_fill_color (ARDOUR_UI::config()->get_canvasvar_WaveFormFill());
908 wave->set_clip_color (ARDOUR_UI::config()->get_canvasvar_WaveFormClip());
909 wave->set_zero_color (ARDOUR_UI::config()->get_canvasvar_ZeroLine());
911 // wave->property_zero_line() = true;
913 wave->set_region_start (_region->start());
915 switch (Config->get_waveform_shape()) {
917 wave->set_shape (WaveView::Rectified);
920 wave->set_shape (WaveView::Normal);
923 wave->set_logscaled (Config->get_waveform_scale() == Logarithmic);
925 if (!Config->get_show_waveforms ()) {
929 /* note: calling this function is serialized by the lock
930 held in the peak building thread that signals that
931 peaks are ready for use *or* by the fact that it is
932 called one by one from the GUI thread.
935 if (which < nchans) {
936 tmp_waves[which] = wave;
938 /* n-channel track, >n-channel source */
941 /* see if we're all ready */
943 for (n = 0; n < nchans; ++n) {
944 if (tmp_waves[n] == 0) {
949 if (n == nwaves && waves.empty()) {
950 /* all waves are ready */
951 tmp_waves.resize(nwaves);
956 /* all waves created, don't hook into peaks ready anymore */
957 delete _data_ready_connections[which];
958 _data_ready_connections[which] = 0;
963 AudioRegionView::peaks_ready_handler (uint32_t which)
965 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
966 // cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
970 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
978 /* don't create points that can't be seen */
980 update_envelope_visibility ();
985 item->canvas_to_item (x, y);
987 framepos_t fx = trackview.editor().pixel_to_sample (x);
989 if (fx > _region->length()) {
993 /* compute vertical fractional position */
995 y = 1.0 - (y / (_height - NAME_HIGHLIGHT_SIZE));
997 /* map using gain line */
999 gain_line->view_to_model_coord (x, y);
1001 /* XXX STATEFUL: can't convert to stateful diff until we
1002 can represent automation data with it.
1005 trackview.session()->begin_reversible_command (_("add gain control point"));
1006 XMLNode &before = audio_region()->envelope()->get_state();
1008 if (!audio_region()->envelope_active()) {
1009 XMLNode ®ion_before = audio_region()->get_state();
1010 audio_region()->set_envelope_active(true);
1011 XMLNode ®ion_after = audio_region()->get_state();
1012 trackview.session()->add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
1015 audio_region()->envelope()->add (fx, y);
1017 XMLNode &after = audio_region()->envelope()->get_state();
1018 trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
1019 trackview.session()->commit_reversible_command ();
1023 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent */*ev*/)
1025 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
1026 audio_region()->envelope()->erase (cp->model());
1030 AudioRegionView::setup_waveform_shape ()
1032 WaveView::Shape shape;
1034 switch (Config->get_waveform_shape()) {
1036 shape = WaveView::Rectified;
1039 shape = WaveView::Normal;
1041 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1042 (*wave)->set_shape (shape);
1047 AudioRegionView::setup_waveform_scale ()
1049 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1050 (*wave)->set_logscaled (Config->get_waveform_scale() == Logarithmic);
1056 AudioRegionView::add_ghost (TimeAxisView& tv)
1058 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1061 double unit_position = _region->position () / samples_per_pixel;
1062 AudioGhostRegion* ghost = new AudioGhostRegion (tv, trackview, unit_position);
1065 nchans = rtv->track()->n_channels().n_audio();
1067 for (uint32_t n = 0; n < nchans; ++n) {
1069 if (n >= audio_region()->n_channels()) {
1073 WaveView *wave = new WaveView (ghost->group, audio_region());
1075 wave->set_channel (n);
1076 wave->set_x_position (0);
1077 wave->set_samples_per_pixel (samples_per_pixel);
1078 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1079 wave->set_region_start (_region->start());
1081 ghost->waves.push_back(wave);
1084 ghost->set_height ();
1085 ghost->set_duration (_region->length() / samples_per_pixel);
1086 ghost->set_colors();
1087 ghosts.push_back (ghost);
1093 AudioRegionView::entered (bool internal_editing)
1095 trackview.editor().set_current_trimmable (_region);
1096 trackview.editor().set_current_movable (_region);
1098 if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1099 gain_line->add_visibility (AutomationLine::ControlPoints);
1102 if (fade_in_handle && !internal_editing) {
1103 fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
1104 fade_in_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 255));
1105 fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
1106 fade_out_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 255));
1111 AudioRegionView::exited ()
1113 trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
1114 trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
1116 if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
1117 gain_line->remove_visibility (AutomationLine::ControlPoints);
1120 if (fade_in_handle) {
1121 fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
1122 fade_in_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 0));
1123 fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 0));
1124 fade_out_handle->set_fill_color (UINT_RGBA_CHANGE_A (fade_color, 0));
1129 AudioRegionView::envelope_active_changed ()
1132 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->get_canvasvar_GainLine() : ARDOUR_UI::config()->get_canvasvar_GainLineInactive());
1137 AudioRegionView::color_handler ()
1139 //case cMutedWaveForm:
1141 //case cWaveFormClip:
1145 //case cGainLineInactive:
1147 envelope_active_changed();
1152 AudioRegionView::set_frame_color ()
1158 if (_region->opaque()) {
1164 TimeAxisViewItem::set_frame_color ();
1170 if (_region->muted()) {
1171 wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_SelectedWaveForm(), MUTED_ALPHA);
1173 wc = ARDOUR_UI::config()->get_canvasvar_SelectedWaveForm();
1175 fc = ARDOUR_UI::config()->get_canvasvar_SelectedWaveFormFill();
1178 if (_region->muted()) {
1179 wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_RecWaveForm(), MUTED_ALPHA);
1181 wc = ARDOUR_UI::config()->get_canvasvar_RecWaveForm();
1183 fc = ARDOUR_UI::config()->get_canvasvar_RecWaveFormFill();
1185 if (_region->muted()) {
1186 wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveForm(), MUTED_ALPHA);
1188 wc = ARDOUR_UI::config()->get_canvasvar_WaveForm();
1190 fc = ARDOUR_UI::config()->get_canvasvar_WaveFormFill();
1194 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1195 (*w)->set_outline_color (wc);
1196 if (!_region->muted()) {
1197 (*w)->set_fill_color (fc);
1203 AudioRegionView::set_fade_visibility (bool yn)
1206 if (fade_in_shape) {
1207 fade_in_shape->show();
1209 if (fade_out_shape) {
1210 fade_out_shape->show ();
1212 if (fade_in_handle) {
1213 fade_in_handle->show ();
1215 if (fade_out_handle) {
1216 fade_out_handle->show ();
1219 if (fade_in_shape) {
1220 fade_in_shape->hide();
1222 if (fade_out_shape) {
1223 fade_out_shape->hide ();
1225 if (fade_in_handle) {
1226 fade_in_handle->hide ();
1228 if (fade_out_handle) {
1229 fade_out_handle->hide ();
1235 AudioRegionView::update_coverage_frames (LayerDisplay d)
1237 RegionView::update_coverage_frames (d);
1239 if (fade_in_handle) {
1240 fade_in_handle->raise_to_top ();
1241 fade_out_handle->raise_to_top ();
1246 AudioRegionView::show_region_editor ()
1249 editor = new AudioRegionEditor (trackview.session(), audio_region());
1253 editor->set_position (Gtk::WIN_POS_MOUSE);
1258 AudioRegionView::transients_changed ()
1260 AnalysisFeatureList analysis_features = _region->transients();
1262 while (feature_lines.size() < analysis_features.size()) {
1264 ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
1266 canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
1267 ArdourCanvas::Duple (1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
1269 canvas_item->property_first_arrowhead() = TRUE;
1270 canvas_item->property_last_arrowhead() = TRUE;
1271 canvas_item->property_arrow_shape_a() = 11.0;
1272 canvas_item->property_arrow_shape_b() = 0.0;
1273 canvas_item->property_arrow_shape_c() = 4.0;
1275 canvas_item->raise_to_top ();
1276 canvas_item->show ();
1278 canvas_item->set_data ("regionview", this);
1279 canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
1281 feature_lines.push_back (make_pair(0, canvas_item));
1284 while (feature_lines.size() > analysis_features.size()) {
1285 ArdourCanvas::Line* line = feature_lines.back().second;
1286 feature_lines.pop_back ();
1290 AnalysisFeatureList::const_iterator i;
1291 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1293 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
1295 float *pos = new float;
1296 *pos = trackview.editor().sample_to_pixel (*i);
1299 ArdourCanvas::Duple (*pos, 2.0),
1300 ArdourCanvas::Duple (*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1)
1303 (*l).second->set_data ("position", pos);
1309 AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
1311 /* Find frame at old pos, calulate new frame then update region transients*/
1312 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1314 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1316 /* Line has been updated in drag so we compare to new_pos */
1318 float* pos = (float*) (*l).second->get_data ("position");
1320 if (rint(new_pos) == rint(*pos)) {
1322 framepos_t old_frame = (*l).first;
1323 framepos_t new_frame = trackview.editor().pixel_to_sample (new_pos);
1325 _region->update_transient (old_frame, new_frame);
1333 AudioRegionView::remove_transient(float pos)
1335 /* Find frame at old pos, calulate new frame then update region transients*/
1336 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1338 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1340 /* Line has been updated in drag so we compare to new_pos */
1341 float *line_pos = (float*) (*l).second->get_data ("position");
1343 if (rint(pos) == rint(*line_pos)) {
1344 _region->remove_transient ((*l).first);
1351 AudioRegionView::thaw_after_trim ()
1353 RegionView::thaw_after_trim ();
1359 AudioRegionView::redraw_start_xfade ()
1361 boost::shared_ptr<AudioRegion> ar (audio_region());
1363 if (!ar->fade_in() || ar->fade_in()->empty()) {
1369 redraw_start_xfade_to (ar, ar->fade_in()->back()->when);
1373 AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t len)
1375 int32_t const npoints = trackview.editor().sample_to_pixel (len);
1381 if (!start_xfade_in) {
1382 start_xfade_in = new ArdourCanvas::PolyLine (group);
1384 // start_xfade_in->set_width_pixels (1);
1385 start_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_GainLine());
1388 if (!start_xfade_out) {
1389 start_xfade_out = new ArdourCanvas::PolyLine (group);
1391 // start_xfade_out->set_width_pixels (1);
1392 uint32_t col = UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_GainLine(), 128);
1393 start_xfade_out->set_outline_color (col);
1396 if (!start_xfade_rect) {
1397 start_xfade_rect = new ArdourCanvas::Rectangle (group);
1399 // start_xfade_rect->property_draw() = true;
1400 start_xfade_rect->set_fill (true);
1401 start_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
1402 start_xfade_rect->set_outline (false);
1403 start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
1404 start_xfade_rect->set_data ("regionview", this);
1407 ArdourCanvas::Points* points = get_canvas_points ("xfade edit redraw", npoints);
1408 boost::scoped_array<float> vec (new float[npoints]);
1410 double effective_height;
1411 if (_height >= NAME_HIGHLIGHT_THRESH) {
1412 effective_height = _height - NAME_HIGHLIGHT_SIZE - 2;
1414 effective_height = _height - 2;
1417 ar->fade_in()->curve().get_vector (0, ar->fade_in()->back()->when, vec.get(), npoints);
1419 for (int i = 0, pci = 0; i < npoints; ++i) {
1420 ArdourCanvas::Duple &p ((*points)[pci++]);
1422 p.y = 1.0 + effective_height - (effective_height * vec.get()[i]);
1425 start_xfade_rect->set (ArdourCanvas::Rect (((*points)[0]).x, 1.0, ((*points)[npoints-1]).x, effective_height));
1426 start_xfade_rect->show ();
1428 start_xfade_in->set (*points);
1429 start_xfade_in->show ();
1430 start_xfade_in->raise_to_top ();
1434 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in();
1438 for (int i = 0, pci = 0; i < npoints; ++i) {
1439 ArdourCanvas::Duple &p ((*points)[pci++]);
1441 p.y = 1.0 + effective_height - (effective_height * (1.0 - vec.get()[i]));
1446 inverse->curve().get_vector (0, inverse->back()->when, vec.get(), npoints);
1448 for (int i = 0, pci = 0; i < npoints; ++i) {
1449 ArdourCanvas::Duple &p ((*points)[pci++]);
1451 p.y = 1.0 + effective_height - (effective_height * vec.get()[i]);
1455 start_xfade_out->set (*points);
1456 start_xfade_out->show ();
1457 start_xfade_out->raise_to_top ();
1459 start_xfade_rect->raise_to_top (); //this needs to be topmost so the lines don't steal mouse focus
1467 AudioRegionView::redraw_end_xfade ()
1469 boost::shared_ptr<AudioRegion> ar (audio_region());
1471 if (!ar->fade_out() || ar->fade_out()->empty()) {
1477 redraw_end_xfade_to (ar, ar->fade_out()->back()->when);
1481 AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t len)
1483 int32_t const npoints = trackview.editor().sample_to_pixel (len);
1489 if (!end_xfade_in) {
1490 end_xfade_in = new ArdourCanvas::PolyLine (group);
1492 // end_xfade_in->property_width_pixels() = 1;
1493 end_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_GainLine());
1496 if (!end_xfade_out) {
1497 end_xfade_out = new ArdourCanvas::PolyLine (group);
1499 // end_xfade_out->property_width_pixels() = 1;
1500 uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_GainLine(), 128);
1501 end_xfade_out->set_outline_color (col);
1504 if (!end_xfade_rect) {
1505 end_xfade_rect = new ArdourCanvas::Rectangle (group);
1507 // end_xfade_rect->property_draw() = true;
1508 end_xfade_rect->set_fill (true);
1509 end_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
1510 end_xfade_rect->set_outline (0);
1511 end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
1512 end_xfade_rect->set_data ("regionview", this);
1515 Points* points = get_canvas_points ("xfade edit redraw", npoints);
1516 boost::scoped_array<float> vec (new float[npoints]);
1518 ar->fade_out()->curve().get_vector (0, ar->fade_out()->back()->when, vec.get(), npoints);
1520 double rend = trackview.editor().sample_to_pixel (_region->length() - len);
1522 double effective_height;
1523 if (_height >= NAME_HIGHLIGHT_THRESH) {
1524 effective_height = _height - NAME_HIGHLIGHT_SIZE - 2;
1526 effective_height = _height - 2;
1529 for (int i = 0, pci = 0; i < npoints; ++i) {
1530 ArdourCanvas::Duple &p ((*points)[pci++]);
1532 p.y = 1.0 + effective_height - (effective_height * vec.get()[i]);
1535 end_xfade_rect->set (ArdourCanvas::Rect (((*points)[0]).x, 1.0, ((*points)[npoints-1]).x, effective_height));
1536 end_xfade_rect->show ();
1538 end_xfade_in->set (*points);
1539 end_xfade_in->show ();
1540 end_xfade_in->raise_to_top ();
1544 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
1548 for (int i = 0, pci = 0; i < npoints; ++i) {
1549 ArdourCanvas::Duple &p ((*points)[pci++]);
1551 p.y = 1.0 + effective_height - (effective_height * (1.0 - vec.get()[i]));
1556 inverse->curve().get_vector (inverse->front()->when, inverse->back()->when, vec.get(), npoints);
1558 for (int i = 0, pci = 0; i < npoints; ++i) {
1559 ArdourCanvas::Duple &p ((*points)[pci++]);
1561 p.y = 1.0 + effective_height - (effective_height * vec.get()[i]);
1565 end_xfade_out->set (*points);
1566 end_xfade_out->show ();
1567 end_xfade_out->raise_to_top ();
1569 end_xfade_rect->raise_to_top (); //this needs to be topmost so the lines don't steal mouse focus
1577 AudioRegionView::hide_xfades ()
1579 hide_start_xfade ();
1584 AudioRegionView::hide_start_xfade ()
1586 if (start_xfade_in) {
1587 start_xfade_in->hide();
1589 if (start_xfade_out) {
1590 start_xfade_out->hide();
1592 if (start_xfade_rect) {
1593 start_xfade_rect->hide ();
1596 _start_xfade_visible = false;
1600 AudioRegionView::hide_end_xfade ()
1603 end_xfade_in->hide();
1605 if (end_xfade_out) {
1606 end_xfade_out->hide();
1608 if (end_xfade_rect) {
1609 end_xfade_rect->hide ();
1612 _end_xfade_visible = false;
1616 AudioRegionView::show_start_xfade ()
1618 if (start_xfade_in) {
1619 start_xfade_in->show();
1621 if (start_xfade_out) {
1622 start_xfade_out->show();
1624 if (start_xfade_rect) {
1625 start_xfade_rect->show ();
1628 _start_xfade_visible = true;
1632 AudioRegionView::show_end_xfade ()
1635 end_xfade_in->show();
1637 if (end_xfade_out) {
1638 end_xfade_out->show();
1640 if (end_xfade_rect) {
1641 end_xfade_rect->show ();
1644 _end_xfade_visible = true;
1648 AudioRegionView::show_xfades ()
1650 show_start_xfade ();
1655 AudioRegionView::drag_start ()
1657 TimeAxisViewItem::drag_start ();
1659 //we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed
1663 AudioRegionView::drag_end ()
1665 TimeAxisViewItem::drag_end ();
1667 //see comment for drag_start
1671 AudioRegionView::parameter_changed (string const & p)
1673 if (p == "show-waveforms") {
1674 setup_waveform_visibility ();
1675 } else if (p == "waveform-scale") {
1676 setup_waveform_scale ();
1677 } else if (p == "waveform-shape") {
1678 setup_waveform_shape ();