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/audioplaylist.h>
28 #include <ardour/audioregion.h>
29 #include <ardour/audiofilesource.h>
30 #include <ardour/audio_diskstream.h>
31 #include <ardour/audio_track.h>
32 #include <ardour/playlist_templates.h>
33 #include <ardour/source.h>
34 #include <ardour/region_factory.h>
36 #include "audio_streamview.h"
37 #include "audio_region_view.h"
38 #include "tape_region_view.h"
39 #include "audio_time_axis.h"
40 #include "canvas-waveview.h"
41 #include "canvas-simplerect.h"
42 #include "region_selection.h"
43 #include "selection.h"
44 #include "public_editor.h"
45 #include "ardour_ui.h"
46 #include "crossfade_view.h"
47 #include "rgb_macros.h"
48 #include "gui_thread.h"
54 using namespace ARDOUR;
56 using namespace Editing;
58 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
61 crossfades_visible = true;
62 _waveform_scale = LinearWaveform;
63 _waveform_shape = Traditional;
66 stream_base_color = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
68 stream_base_color = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
70 canvas_rect->property_fill_color_rgba() = stream_base_color;
71 canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
73 _amplitude_above_axis = 1.0;
75 use_rec_regions = tv.editor.show_waveforms_recording ();
79 AudioStreamView::~AudioStreamView ()
84 AudioStreamView::set_samples_per_unit (gdouble spp)
86 StreamView::set_samples_per_unit(spp);
88 for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
89 (*xi)->set_samples_per_unit (spp);
96 AudioStreamView::set_amplitude_above_axis (gdouble app)
98 RegionViewList::iterator i;
104 _amplitude_above_axis = app;
106 for (i = region_views.begin(); i != region_views.end(); ++i) {
107 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
109 arv->set_amplitude_above_axis (app);
116 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves)
118 AudioRegionView *region_view = 0;
120 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
126 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
127 if ((*i)->region() == r) {
129 /* great. we already have a AudioRegionView for this Region. use it again. */
131 (*i)->set_valid (true);
133 // this might not be necessary
134 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
136 arv->set_waveform_scale (_waveform_scale);
137 arv->set_waveform_shape (_waveform_shape);
144 switch (_trackview.audio_track()->mode()) {
146 region_view = new AudioRegionView (canvas_group, _trackview, region,
147 _samples_per_unit, region_color);
150 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
151 _samples_per_unit, region_color);
154 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
159 region_view->init (region_color, wait_for_waves);
160 region_view->set_amplitude_above_axis(_amplitude_above_axis);
161 region_views.push_front (region_view);
164 /* if its the special single-sample length that we use for rec-regions, make it
165 insensitive to events
168 if (region->length() == 1) {
169 region_view->set_sensitive (false);
172 /* if this was the first one, then lets query the waveform scale and shape.
173 otherwise, we set it to the current value */
175 if (region_views.size() == 1) {
176 if (region_view->waveform_logscaled()) {
177 _waveform_scale = LogWaveform;
179 _waveform_scale = LinearWaveform;
182 if (region_view->waveform_rectified()) {
183 _waveform_shape = Rectified;
185 _waveform_shape = Traditional;
189 region_view->set_waveform_scale(_waveform_scale);
190 region_view->set_waveform_shape(_waveform_shape);
193 /* follow global waveform setting */
195 region_view->set_waveform_visible(_trackview.editor.show_waveforms());
197 /* catch regionview going away */
198 region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
200 RegionViewAdded (region_view);
206 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
208 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
210 boost::shared_ptr<Region> r (weak_r.lock());
216 if (!_trackview.session().deletion_in_progress()) {
218 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
219 list<CrossfadeView*>::iterator tmp;
224 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
225 if (ar && (*i)->crossfade->involves (ar)) {
227 crossfade_views.erase (i);
234 StreamView::remove_region_view(r);
238 AudioStreamView::undisplay_diskstream ()
240 StreamView::undisplay_diskstream();
242 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
246 crossfade_views.clear ();
250 AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
252 boost::shared_ptr<Diskstream> sp (ds.lock());
257 playlist_modified (sp);
261 AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
263 /* we do not allow shared_ptr<T> to be bound to slots */
264 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_modified_weak), ds));
266 StreamView::playlist_modified (ds);
268 /* make sure xfades are on top and all the regionviews are stacked correctly. */
270 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
271 (*i)->get_canvas_group()->raise_to_top();
276 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
278 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_changed), ds));
280 StreamView::playlist_changed(ds);
282 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
284 playlist_connections.push_back (apl->NewCrossfade.connect (mem_fun (*this, &AudioStreamView::add_crossfade)));
288 AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
290 boost::shared_ptr<Crossfade> sp (crossfade.lock());
300 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
302 AudioRegionView* lview = 0;
303 AudioRegionView* rview = 0;
305 /* we do not allow shared_ptr<T> to be bound to slots */
307 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade_weak), boost::weak_ptr<Crossfade> (crossfade)));
309 /* first see if we already have a CrossfadeView for this Crossfade */
311 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
312 if ((*i)->crossfade == crossfade) {
313 if (!crossfades_visible || layer_display == Stacked) {
318 (*i)->set_valid (true);
323 /* create a new one */
325 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
326 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
328 if (!lview && arv && (arv->region() == crossfade->out())) {
331 if (!rview && arv && (arv->region() == crossfade->in())) {
336 CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
343 crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
344 crossfade_views.push_back (cv);
346 if (!Config->get_xfades_visible() || !crossfades_visible || layer_display == Stacked) {
352 AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
354 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), r));
356 boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
358 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
359 if ((*i)->crossfade == xfade) {
361 crossfade_views.erase (i);
368 AudioStreamView::redisplay_diskstream ()
370 list<RegionView *>::iterator i, tmp;
371 list<CrossfadeView*>::iterator xi, tmpx;
373 for (i = region_views.begin(); i != region_views.end(); ++i) {
374 (*i)->set_valid (false);
377 for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
378 (*xi)->set_valid (false);
379 if ((*xi)->visible() && layer_display != Stacked) {
384 if (_trackview.is_audio_track()) {
385 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
387 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_trackview.get_diskstream()->playlist());
389 apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
392 for (i = region_views.begin(); i != region_views.end(); ) {
396 if (!(*i)->is_valid()) {
398 region_views.erase (i);
404 for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
408 if (!(*xi)->valid()) {
410 crossfade_views.erase (xi);
416 /* now fix layering */
418 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
424 AudioStreamView::set_show_waveforms (bool yn)
426 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
427 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
429 arv->set_waveform_visible (yn);
434 AudioStreamView::set_waveform_shape (WaveformShape shape)
436 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
437 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
439 arv->set_waveform_shape (shape);
441 _waveform_shape = shape;
445 AudioStreamView::set_waveform_scale (WaveformScale scale)
447 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
448 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
450 arv->set_waveform_scale (scale);
452 _waveform_scale = scale;
456 AudioStreamView::setup_rec_box ()
458 // cerr << _trackview.name() << " streamview SRB\n";
460 if (_trackview.session().transport_rolling()) {
462 // cerr << "\trolling\n";
465 _trackview.session().record_status() == Session::Recording &&
466 _trackview.get_diskstream()->record_enabled()) {
468 if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
470 /* add a new region, but don't bother if they set use_rec_regions mid-record */
474 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
477 rec_data_ready_connections.clear();
480 boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
483 for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
484 boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
486 sources.push_back (src);
488 rec_data_ready_connections.push_back (src->PeakRangeReady.connect (bind
489 (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src))));
496 if (rec_regions.size() > 0) {
497 start = rec_regions.back().first->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
500 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
501 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
503 region->set_position (_trackview.session().transport_frame(), this);
505 rec_regions.push_back (make_pair(region, (RegionView*)0));
508 /* start a new rec box */
510 boost::shared_ptr<AudioTrack> at;
512 at = _trackview.audio_track(); /* we know what it is already */
513 boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
514 nframes_t frame_pos = ds->current_capture_start ();
515 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
519 switch (_trackview.audio_track()->mode()) {
522 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
527 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
528 /* make the recording rect translucent to allow
529 the user to see the peak data coming in, etc.
531 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
535 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
536 rec_rect->property_x1() = xstart;
537 rec_rect->property_y1() = 1.0;
538 rec_rect->property_x2() = xend;
539 rec_rect->property_y2() = (double) _trackview.height - 1;
540 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
541 rec_rect->property_fill_color_rgba() = fill_color;
542 rec_rect->lower_to_bottom();
545 recbox.rectangle = rec_rect;
546 recbox.start = _trackview.session().transport_frame();
549 rec_rects.push_back (recbox);
551 screen_update_connection.disconnect();
552 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));
556 } else if (rec_active &&
557 (_trackview.session().record_status() != Session::Recording ||
558 !_trackview.get_diskstream()->record_enabled())) {
560 screen_update_connection.disconnect();
562 rec_updating = false;
568 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
570 if (!rec_rects.empty() || !rec_regions.empty()) {
572 /* disconnect rapid update */
573 screen_update_connection.disconnect();
575 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
578 rec_data_ready_connections.clear();
580 rec_updating = false;
583 /* remove temp regions */
585 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
586 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
591 (*iter).first->drop_references ();
598 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
600 /* transport stopped, clear boxes */
601 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
602 RecBoxInfo &rect = (*iter);
603 delete rect.rectangle;
613 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
615 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
621 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
623 ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
625 boost::shared_ptr<Source> src (weak_src.lock());
631 // this is called from the peak building thread
633 if (rec_data_ready_map.size() == 0 || start+cnt > last_rec_data_frame) {
634 last_rec_data_frame = start + cnt;
637 rec_data_ready_map[src] = true;
639 if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
640 this->update_rec_regions ();
641 rec_data_ready_map.clear();
646 AudioStreamView::update_rec_regions ()
648 if (use_rec_regions) {
652 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
654 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
659 if (!canvas_item_visible (rec_rects[n].rectangle)) {
660 /* rect already hidden, this region is done */
665 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
670 nframes_t origlen = region->length();
672 if (region == rec_regions.back().first && rec_active) {
674 if (last_rec_data_frame > region->start()) {
676 nframes_t nlen = last_rec_data_frame - region->start();
678 if (nlen != region->length()) {
681 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
682 region->set_length (nlen, this);
683 region->thaw ("updated");
686 /* our special initial length */
687 add_region_view_internal (region, false);
690 /* also update rect */
691 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
692 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
693 rect->property_x2() = xend;
699 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
701 if (nlen != region->length()) {
703 if (region->source(0)->length() >= region->start() + nlen) {
706 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
707 region->set_length (nlen, this);
708 region->thaw ("updated");
711 /* our special initial length */
712 add_region_view_internal (region, false);
716 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
729 AudioStreamView::show_all_xfades ()
731 foreach_crossfadeview (&CrossfadeView::show);
732 crossfades_visible = true;
736 AudioStreamView::hide_all_xfades ()
738 foreach_crossfadeview (&CrossfadeView::hide);
739 crossfades_visible = false;
743 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
745 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
746 if ((*i)->crossfade->involves (rv.audio_region())) {
753 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
755 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
756 if ((*i)->crossfade->involves (rv.audio_region()) && (*i)->visible() && layer_display != Stacked) {
763 AudioStreamView::color_handler ()
765 //case cAudioTrackBase:
766 if (_trackview.is_track()) {
767 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
770 //case cAudioBusBase:
771 if (!_trackview.is_track()) {
772 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
778 AudioStreamView::update_contents_y_position_and_height ()
780 StreamView::update_contents_y_position_and_height ();
782 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
783 if (layer_display == Overlaid) {
785 (*i)->set_y_position_and_height (0, height);