2 Copyright (C) 2001-2006 Paul Davis
4 This program is free software; you can redistribute 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.
25 #include <gtkmm2ext/gtk_ui.h>
27 #include <ardour/playlist.h>
28 #include <ardour/audioregion.h>
29 #include <ardour/audiosource.h>
30 #include <ardour/audio_diskstream.h>
31 #include <pbd/memento_command.h>
33 #include "streamview.h"
34 #include "audio_region_view.h"
35 #include "audio_time_axis.h"
36 #include "simplerect.h"
37 #include "simpleline.h"
39 #include "public_editor.h"
40 #include "audio_region_editor.h"
41 #include "region_gain_line.h"
42 #include "ghostregion.h"
43 #include "audio_time_axis.h"
45 #include "rgb_macros.h"
46 #include "gui_thread.h"
51 using namespace ARDOUR;
53 using namespace Editing;
54 using namespace ArdourCanvas;
56 static const int32_t sync_mark_width = 9;
58 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
59 Gdk::Color& basic_color)
60 : RegionView (parent, tv, r, spu, basic_color)
68 , _amplitude_above_axis(1.0)
74 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
75 Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
76 : RegionView (parent, tv, r, spu, basic_color, visibility)
84 , _amplitude_above_axis(1.0)
91 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
93 // FIXME: Some redundancy here with RegionView::init. Need to figure out
94 // where order is important and where it isn't...
96 RegionView::init(basic_color, wfd);
100 _amplitude_above_axis = 1.0;
104 if ((node = _region->extra_xml ("GUI")) != 0) {
107 _flags = WaveformVisible;
111 if (trackview.editor.new_regionviews_display_gain()) {
112 _flags |= EnvelopeVisible;
115 compute_colors (basic_color);
119 fade_in_shape = new ArdourCanvas::Polygon (*group);
120 fade_in_shape->property_fill_color_rgba() = fade_color;
121 fade_in_shape->set_data ("regionview", this);
123 fade_out_shape = new ArdourCanvas::Polygon (*group);
124 fade_out_shape->property_fill_color_rgba() = fade_color;
125 fade_out_shape->set_data ("regionview", this);
130 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
133 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
134 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
135 fade_in_handle->property_outline_pixels() = 0;
136 fade_in_handle->property_y1() = 2.0;
137 fade_in_handle->property_y2() = 7.0;
139 fade_in_handle->set_data ("regionview", this);
141 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
142 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
143 fade_out_handle->property_outline_pixels() = 0;
144 fade_out_handle->property_y1() = 2.0;
145 fade_out_handle->property_y2() = 7.0;
147 fade_out_handle->set_data ("regionview", this);
150 string foo = _region->name();
154 gain_line = new AudioRegionGainLine (foo, trackview.session(), *this, *group, audio_region()->envelope());
156 if (!(_flags & EnvelopeVisible)) {
162 reset_width_dependent_items ((double) _region->length() / samples_per_unit);
166 set_height (trackview.height);
169 region_sync_changed ();
170 region_resized (BoundsChanged);
171 set_waveview_data_src();
173 envelope_active_changed ();
174 fade_in_active_changed ();
175 fade_out_active_changed ();
177 _region->StateChanged.connect (mem_fun(*this, &AudioRegionView::region_changed));
179 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
180 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
181 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
182 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
186 /* XXX sync mark drag? */
189 AudioRegionView::~AudioRegionView ()
191 in_destructor = true;
193 RegionViewGoingAway (this); /* EMIT_SIGNAL */
195 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
196 gnome_canvas_waveview_cache_destroy (*cache);
199 /* all waveviews etc will be destroyed when the group is destroyed */
206 boost::shared_ptr<ARDOUR::AudioRegion>
207 AudioRegionView::audio_region() const
209 // "Guaranteed" to succeed...
210 return boost::dynamic_pointer_cast<AudioRegion>(_region);
214 AudioRegionView::region_changed (Change what_changed)
216 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
218 RegionView::region_changed(what_changed);
220 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
221 region_scale_amplitude_changed ();
223 if (what_changed & AudioRegion::FadeInChanged) {
226 if (what_changed & AudioRegion::FadeOutChanged) {
229 if (what_changed & AudioRegion::FadeInActiveChanged) {
230 fade_in_active_changed ();
232 if (what_changed & AudioRegion::FadeOutActiveChanged) {
233 fade_out_active_changed ();
235 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
236 envelope_active_changed ();
241 AudioRegionView::fade_in_changed ()
243 reset_fade_in_shape ();
247 AudioRegionView::fade_out_changed ()
249 reset_fade_out_shape ();
253 AudioRegionView::set_fade_in_active (bool yn)
255 audio_region()->set_fade_in_active (yn);
259 AudioRegionView::set_fade_out_active (bool yn)
261 audio_region()->set_fade_out_active (yn);
265 AudioRegionView::fade_in_active_changed ()
269 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
271 if (audio_region()->fade_in_active()) {
272 col = RGBA_TO_UINT(r,g,b,120);
273 fade_in_shape->property_fill_color_rgba() = col;
274 fade_in_shape->property_width_pixels() = 0;
275 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
277 col = RGBA_TO_UINT(r,g,b,0);
278 fade_in_shape->property_fill_color_rgba() = col;
279 fade_in_shape->property_width_pixels() = 1;
280 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
285 AudioRegionView::fade_out_active_changed ()
289 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
291 if (audio_region()->fade_out_active()) {
292 col = RGBA_TO_UINT(r,g,b,120);
293 fade_out_shape->property_fill_color_rgba() = col;
294 fade_out_shape->property_width_pixels() = 0;
295 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
297 col = RGBA_TO_UINT(r,g,b,0);
298 fade_out_shape->property_fill_color_rgba() = col;
299 fade_out_shape->property_width_pixels() = 1;
300 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
306 AudioRegionView::region_scale_amplitude_changed ()
308 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
310 for (uint32_t n = 0; n < waves.size(); ++n) {
311 // force a reload of the cache
312 waves[n]->property_data_src() = _region.get();
317 AudioRegionView::region_renamed ()
319 // FIXME: ugly duplication with RegionView...
323 if (_region->locked()) {
325 str += _region->name();
328 str = _region->name();
331 // ... because of this
332 if (audio_region()->speed_mismatch (trackview.session().frame_rate())) {
333 str = string ("*") + str;
336 if (_region->muted()) {
337 str = string ("!") + str;
340 set_item_name (str, this);
345 AudioRegionView::region_resized (Change what_changed)
347 RegionView::region_resized(what_changed);
349 if (what_changed & Change (StartChanged|LengthChanged)) {
351 for (uint32_t n = 0; n < waves.size(); ++n) {
352 waves[n]->property_region_start() = _region->start();
355 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
357 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
358 (*w)->property_region_start() = _region->start();
365 AudioRegionView::reset_width_dependent_items (double pixel_width)
367 RegionView::reset_width_dependent_items(pixel_width);
368 assert(_pixel_width == pixel_width);
371 zero_line->property_x2() = pixel_width - 1.0;
374 if (fade_in_handle) {
375 if (pixel_width <= 6.0) {
376 fade_in_handle->hide();
377 fade_out_handle->hide();
380 fade_in_handle->hide();
381 fade_out_handle->hide();
383 fade_in_handle->show();
384 fade_out_handle->show();
389 reset_fade_shapes ();
393 AudioRegionView::region_muted ()
395 RegionView::region_muted();
397 for (uint32_t n=0; n < waves.size(); ++n) {
398 if (_region->muted()) {
399 waves[n]->property_wave_color() = color_map[cMutedWaveForm];
401 waves[n]->property_wave_color() = color_map[cWaveForm];
407 AudioRegionView::set_height (gdouble height)
409 RegionView::set_height(height);
411 uint32_t wcnt = waves.size();
413 for (uint32_t n=0; n < wcnt; ++n) {
416 if ((height) <= NAME_HIGHLIGHT_THRESH) {
417 ht = ((height-2*wcnt) / (double) wcnt);
419 ht = (((height-2*wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
422 gdouble yoff = n * (ht+1);
424 waves[n]->property_height() = ht;
425 waves[n]->property_y() = yoff + 2;
429 if ((height/wcnt) < NAME_HIGHLIGHT_SIZE) {
432 if (_flags & EnvelopeVisible) {
436 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE));
440 reset_fade_shapes ();
443 name_text->raise_to_top();
448 AudioRegionView::manage_zero_line ()
454 if (_height >= 100) {
455 gdouble wave_midpoint = (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
456 zero_line->property_y1() = wave_midpoint;
457 zero_line->property_y2() = wave_midpoint;
465 AudioRegionView::reset_fade_shapes ()
467 reset_fade_in_shape ();
468 reset_fade_out_shape ();
472 AudioRegionView::reset_fade_in_shape ()
474 reset_fade_in_shape_width ((jack_nframes_t) audio_region()->fade_in().back()->when);
478 AudioRegionView::reset_fade_in_shape_width (jack_nframes_t width)
480 if (fade_in_handle == 0) {
484 /* smallest size for a fade is 64 frames */
486 width = std::max ((jack_nframes_t) 64, width);
489 double pwidth = width / samples_per_unit;
490 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
494 fade_in_shape->hide();
495 fade_in_handle->hide();
499 double handle_center;
500 handle_center = pwidth;
502 if (handle_center > 7.0) {
503 handle_center -= 3.0;
508 fade_in_handle->property_x1() = handle_center - 3.0;
509 fade_in_handle->property_x2() = handle_center + 3.0;
512 fade_in_shape->hide();
516 fade_in_shape->show();
518 float curve[npoints];
519 audio_region()->fade_in().get_vector (0, audio_region()->fade_in().back()->when, curve, npoints);
521 points = get_canvas_points ("fade in shape", npoints+3);
523 if (_height > NAME_HIGHLIGHT_THRESH) {
524 h = _height - NAME_HIGHLIGHT_SIZE;
529 /* points *MUST* be in anti-clockwise order */
532 double xdelta = pwidth/npoints;
534 for (pi = 0, pc = 0; pc < npoints; ++pc) {
535 (*points)[pi].set_x(1 + (pc * xdelta));
536 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
541 (*points)[pi].set_x(pwidth);
542 (*points)[pi++].set_y(2);
544 (*points)[pi].set_x(1);
545 (*points)[pi++].set_y(2);
547 /* connect the dots ... */
549 (*points)[pi] = (*points)[0];
551 fade_in_shape->property_points() = *points;
556 AudioRegionView::reset_fade_out_shape ()
558 reset_fade_out_shape_width ((jack_nframes_t) audio_region()->fade_out().back()->when);
562 AudioRegionView::reset_fade_out_shape_width (jack_nframes_t width)
564 if (fade_out_handle == 0) {
568 /* smallest size for a fade is 64 frames */
570 width = std::max ((jack_nframes_t) 64, width);
573 double pwidth = width / samples_per_unit;
574 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
578 fade_out_shape->hide();
579 fade_out_handle->hide();
583 double handle_center;
584 handle_center = (_region->length() - width) / samples_per_unit;
586 if (handle_center > 7.0) {
587 handle_center -= 3.0;
592 fade_out_handle->property_x1() = handle_center - 3.0;
593 fade_out_handle->property_x2() = handle_center + 3.0;
595 /* don't show shape if its too small */
598 fade_out_shape->hide();
602 fade_out_shape->show();
604 float curve[npoints];
605 audio_region()->fade_out().get_vector (0, audio_region()->fade_out().back()->when, curve, npoints);
607 if (_height > NAME_HIGHLIGHT_THRESH) {
608 h = _height - NAME_HIGHLIGHT_SIZE;
613 /* points *MUST* be in anti-clockwise order */
615 points = get_canvas_points ("fade out shape", npoints+3);
618 double xdelta = pwidth/npoints;
620 for (pi = 0, pc = 0; pc < npoints; ++pc) {
621 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
622 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
627 (*points)[pi].set_x(_pixel_width);
628 (*points)[pi++].set_y(h);
630 (*points)[pi].set_x(_pixel_width);
631 (*points)[pi++].set_y(2);
633 /* connect the dots ... */
635 (*points)[pi] = (*points)[0];
637 fade_out_shape->property_points() = *points;
642 AudioRegionView::set_samples_per_unit (gdouble spu)
644 RegionView::set_samples_per_unit (spu);
646 for (uint32_t n=0; n < waves.size(); ++n) {
647 waves[n]->property_samples_per_unit() = spu;
653 reset_fade_shapes ();
657 AudioRegionView::set_amplitude_above_axis (gdouble spp)
659 for (uint32_t n=0; n < waves.size(); ++n) {
660 waves[n]->property_amplitude_above_axis() = spp;
665 AudioRegionView::compute_colors (Gdk::Color& basic_color)
667 RegionView::compute_colors(basic_color);
671 /* gain color computed in envelope_active_changed() */
673 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
674 fade_color = RGBA_TO_UINT(r,g,b,120);
678 AudioRegionView::set_colors ()
680 RegionView::set_colors();
683 gain_line->set_line_color (audio_region()->envelope_active() ? color_map[cGainLine] : color_map[cGainLineInactive]);
686 for (uint32_t n=0; n < waves.size(); ++n) {
687 if (_region->muted()) {
688 waves[n]->property_wave_color() = color_map[cMutedWaveForm];
690 waves[n]->property_wave_color() = color_map[cWaveForm];
696 AudioRegionView::show_region_editor ()
699 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
700 // GTK2FIX : how to ensure float without realizing
701 // editor->realize ();
702 // trackview.editor.ensure_float (*editor);
706 editor->get_window()->raise();
710 AudioRegionView::set_waveform_visible (bool yn)
712 if (((_flags & WaveformVisible) != yn)) {
714 for (uint32_t n=0; n < waves.size(); ++n) {
717 _flags |= WaveformVisible;
719 for (uint32_t n=0; n < waves.size(); ++n) {
722 _flags &= ~WaveformVisible;
729 AudioRegionView::temporarily_hide_envelope ()
737 AudioRegionView::unhide_envelope ()
739 if (gain_line && (_flags & EnvelopeVisible)) {
745 AudioRegionView::set_envelope_visible (bool yn)
747 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
750 _flags |= EnvelopeVisible;
753 _flags &= ~EnvelopeVisible;
760 AudioRegionView::create_waves ()
762 bool create_zero_line = true;
764 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
766 if (!atv.get_diskstream()) {
770 uint32_t nchans = atv.get_diskstream()->n_channels().get(DataType::AUDIO);
772 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
773 for (uint32_t n = 0; n < nchans; ++n) {
774 tmp_waves.push_back (0);
777 for (uint32_t n = 0; n < nchans; ++n) {
779 if (n >= audio_region()->n_channels()) {
783 wave_caches.push_back (WaveView::create_cache ());
786 if (audio_region()->audio_source(n)->peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
787 create_one_wave (n, true);
789 create_zero_line = false;
792 create_one_wave (n, true);
796 if (create_zero_line) {
797 zero_line = new ArdourCanvas::SimpleLine (*group);
798 zero_line->property_x1() = (gdouble) 1.0;
799 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
800 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
806 AudioRegionView::create_one_wave (uint32_t which, bool direct)
808 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
809 uint32_t nchans = atv.get_diskstream()->n_channels().get(DataType::AUDIO);
811 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
814 if (trackview.height < NAME_HIGHLIGHT_SIZE) {
815 ht = ((trackview.height) / (double) nchans);
817 ht = ((trackview.height - NAME_HIGHLIGHT_SIZE) / (double) nchans);
820 gdouble yoff = which * ht;
822 WaveView *wave = new WaveView(*group);
824 wave->property_data_src() = (gpointer) _region.get();
825 wave->property_cache() = wave_caches[which];
826 wave->property_cache_updater() = true;
827 wave->property_channel() = which;
828 wave->property_length_function() = (gpointer) region_length_from_c;
829 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
830 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
831 wave->property_x() = 0.0;
832 wave->property_y() = yoff;
833 wave->property_height() = (double) ht;
834 wave->property_samples_per_unit() = samples_per_unit;
835 wave->property_amplitude_above_axis() = _amplitude_above_axis;
836 wave->property_wave_color() = _region->muted() ? color_map[cMutedWaveForm] : color_map[cWaveForm];
837 wave->property_region_start() = _region->start();
839 if (!(_flags & WaveformVisible)) {
843 /* note: calling this function is serialized by the lock
844 held in the peak building thread that signals that
845 peaks are ready for use *or* by the fact that it is
846 called one by one from the GUI thread.
849 if (which < nchans) {
850 tmp_waves[which] = wave;
852 /* n-channel track, >n-channel source */
855 /* see if we're all ready */
857 for (n = 0; n < nchans; ++n) {
858 if (tmp_waves[n] == 0) {
863 if (n == nwaves && waves.empty()) {
864 /* all waves are ready */
865 tmp_waves.resize(nwaves);
871 zero_line = new ArdourCanvas::SimpleLine (*group);
872 zero_line->property_x1() = (gdouble) 1.0;
873 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
874 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
881 AudioRegionView::peaks_ready_handler (uint32_t which)
883 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
885 if (!waves.empty()) {
886 /* all waves created, don't hook into peaks ready anymore */
887 data_ready_connection.disconnect ();
892 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
894 if (gain_line == 0) {
900 /* don't create points that can't be seen */
902 set_envelope_visible (true);
909 jack_nframes_t fx = trackview.editor.pixel_to_frame (x);
911 if (fx > _region->length()) {
915 /* compute vertical fractional position */
917 y = 1.0 - (y / (trackview.height - NAME_HIGHLIGHT_SIZE));
919 /* map using gain line */
921 gain_line->view_to_model_y (y);
923 trackview.session().begin_reversible_command (_("add gain control point"));
924 XMLNode &before = audio_region()->envelope().get_state();
927 if (!audio_region()->envelope_active()) {
928 XMLNode &before = audio_region()->get_state();
929 audio_region()->set_envelope_active(true);
930 XMLNode &after = audio_region()->get_state();
931 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), &before, &after));
934 audio_region()->envelope().add (fx, y);
936 XMLNode &after = audio_region()->envelope().get_state();
937 trackview.session().add_command (new MementoCommand<Curve>(audio_region()->envelope(), &before, &after));
938 trackview.session().commit_reversible_command ();
942 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
944 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
945 audio_region()->envelope().erase (cp->model);
949 AudioRegionView::store_flags()
951 XMLNode *node = new XMLNode ("GUI");
953 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
954 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
956 _region->add_extra_xml (*node);
960 AudioRegionView::set_flags (XMLNode* node)
964 if ((prop = node->property ("waveform-visible")) != 0) {
965 if (prop->value() == "yes") {
966 _flags |= WaveformVisible;
970 if ((prop = node->property ("envelope-visible")) != 0) {
971 if (prop->value() == "yes") {
972 _flags |= EnvelopeVisible;
978 AudioRegionView::set_waveform_shape (WaveformShape shape)
982 /* this slightly odd approach is to leave the door open to
983 other "shapes" such as spectral displays, etc.
996 if (yn != (bool) (_flags & WaveformRectified)) {
997 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
998 (*wave)->property_rectified() = yn;
1010 _flags |= WaveformRectified;
1012 _flags &= ~WaveformRectified;
1018 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1020 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1023 double unit_position = _region->position () / samples_per_unit;
1024 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1027 nchans = rtv->get_diskstream()->n_channels().get(DataType::AUDIO);
1029 for (uint32_t n = 0; n < nchans; ++n) {
1031 if (n >= audio_region()->n_channels()) {
1035 WaveView *wave = new WaveView(*ghost->group);
1037 wave->property_data_src() = _region.get();
1038 wave->property_cache() = wave_caches[n];
1039 wave->property_cache_updater() = false;
1040 wave->property_channel() = n;
1041 wave->property_length_function() = (gpointer)region_length_from_c;
1042 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1043 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1044 wave->property_x() = 0.0;
1045 wave->property_samples_per_unit() = samples_per_unit;
1046 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1047 wave->property_wave_color() = color_map[cGhostTrackWave];
1048 wave->property_region_start() = _region->start();
1050 ghost->waves.push_back(wave);
1053 ghost->set_height ();
1054 ghost->set_duration (_region->length() / samples_per_unit);
1055 ghosts.push_back (ghost);
1057 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1063 AudioRegionView::entered ()
1065 if (gain_line && _flags & EnvelopeVisible) {
1066 gain_line->show_all_control_points ();
1070 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1073 if (fade_in_handle) {
1074 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1075 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1080 AudioRegionView::exited ()
1083 gain_line->hide_all_but_selected_control_points ();
1087 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1090 if (fade_in_handle) {
1091 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1092 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1097 AudioRegionView::envelope_active_changed ()
1100 gain_line->set_line_color (audio_region()->envelope_active() ? color_map[cGainLine] : color_map[cGainLineInactive]);
1105 AudioRegionView::set_waveview_data_src()
1108 double unit_length= _region->length() / samples_per_unit;
1110 for (uint32_t n = 0; n < waves.size(); ++n) {
1111 // TODO: something else to let it know the channel
1112 waves[n]->property_data_src() = _region.get();
1115 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1117 (*i)->set_duration (unit_length);
1119 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1120 (*w)->property_data_src() = _region.get();
1127 AudioRegionView::color_handler (ColorID id, uint32_t val)
1130 case cMutedWaveForm:
1135 case cGainLineInactive:
1137 envelope_active_changed();
1142 zero_line->property_color_rgba() = (guint) color_map[cZeroLine];
1146 case cGhostTrackWave: