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 ();
78 AudioStreamView::~AudioStreamView ()
83 AudioStreamView::set_samples_per_unit (gdouble spp)
85 StreamView::set_samples_per_unit(spp);
87 for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
88 (*xi)->set_samples_per_unit (spp);
95 AudioStreamView::set_amplitude_above_axis (gdouble app)
97 RegionViewList::iterator i;
103 _amplitude_above_axis = app;
105 for (i = region_views.begin(); i != region_views.end(); ++i) {
106 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
108 arv->set_amplitude_above_axis (app);
115 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
117 AudioRegionView *region_view = 0;
119 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
125 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
126 if ((*i)->region() == r) {
128 /* great. we already have a AudioRegionView for this Region. use it again. */
130 (*i)->set_valid (true);
132 // this might not be necessary
133 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
135 arv->set_waveform_scale (_waveform_scale);
136 arv->set_waveform_shape (_waveform_shape);
143 switch (_trackview.audio_track()->mode()) {
146 region_view = new AudioRegionView (canvas_group, _trackview, region,
147 _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(TimeAxisViewItem::ShowFrame | TimeAxisViewItem::HideFrameRight));
149 region_view = new AudioRegionView (canvas_group, _trackview, region,
150 _samples_per_unit, region_color);
154 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
155 _samples_per_unit, region_color);
158 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
163 region_view->init (region_color, wait_for_waves);
164 region_view->set_amplitude_above_axis(_amplitude_above_axis);
165 region_views.push_front (region_view);
167 /* if its the special single-sample length that we use for rec-regions, make it
168 insensitive to events
171 if (region->length() == 1) {
172 region_view->set_sensitive (false);
175 /* if this was the first one, then lets query the waveform scale and shape.
176 otherwise, we set it to the current value */
178 if (region_views.size() == 1) {
179 if (region_view->waveform_logscaled()) {
180 _waveform_scale = LogWaveform;
182 _waveform_scale = LinearWaveform;
185 if (region_view->waveform_rectified()) {
186 _waveform_shape = Rectified;
188 _waveform_shape = Traditional;
192 region_view->set_waveform_scale(_waveform_scale);
193 region_view->set_waveform_shape(_waveform_shape);
196 /* follow global waveform setting */
198 region_view->set_waveform_visible(_trackview.editor.show_waveforms());
200 /* catch regionview going away */
201 region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
203 RegionViewAdded (region_view);
209 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
211 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
213 boost::shared_ptr<Region> r (weak_r.lock());
219 if (!_trackview.session().deletion_in_progress()) {
221 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
222 list<CrossfadeView*>::iterator tmp;
227 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
228 if (ar && (*i)->crossfade->involves (ar)) {
230 crossfade_views.erase (i);
237 StreamView::remove_region_view(r);
241 AudioStreamView::undisplay_diskstream ()
243 StreamView::undisplay_diskstream();
245 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
249 crossfade_views.clear ();
253 AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
255 boost::shared_ptr<Diskstream> sp (ds.lock());
260 playlist_modified (sp);
264 AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
266 /* we do not allow shared_ptr<T> to be bound to slots */
267 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_modified_weak), ds));
269 StreamView::playlist_modified (ds);
271 /* make sure xfades are on top and all the regionviews are stacked correctly. */
273 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
274 (*i)->get_canvas_group()->raise_to_top();
279 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
281 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_changed), ds));
283 StreamView::playlist_changed(ds);
285 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
287 playlist_connections.push_back (apl->NewCrossfade.connect (mem_fun (*this, &AudioStreamView::add_crossfade)));
291 AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
293 boost::shared_ptr<Crossfade> sp (crossfade.lock());
303 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
305 AudioRegionView* lview = 0;
306 AudioRegionView* rview = 0;
308 /* we do not allow shared_ptr<T> to be bound to slots */
310 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade_weak), boost::weak_ptr<Crossfade> (crossfade)));
312 /* first see if we already have a CrossfadeView for this Crossfade */
314 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
315 if ((*i)->crossfade == crossfade) {
317 if (!crossfades_visible || layer_display == Stacked) {
322 (*i)->set_valid (true);
327 /* create a new one */
329 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
330 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
332 if (!lview && arv && (arv->region() == crossfade->out())) {
335 if (!rview && arv && (arv->region() == crossfade->in())) {
340 CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
346 cv->set_valid (true);
347 crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
348 crossfade_views.push_back (cv);
349 if (!Config->get_xfades_visible() || !crossfades_visible || layer_display == Stacked) {
355 AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
357 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), r));
359 boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
361 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
362 if ((*i)->crossfade == xfade) {
364 crossfade_views.erase (i);
371 AudioStreamView::redisplay_diskstream ()
373 list<RegionView *>::iterator i, tmp;
374 list<CrossfadeView*>::iterator xi, tmpx;
376 for (i = region_views.begin(); i != region_views.end(); ++i) {
377 (*i)->set_valid (false);
380 for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
381 (*xi)->set_valid (false);
382 if ((*xi)->visible() && layer_display != Stacked) {
387 if (_trackview.is_audio_track()) {
388 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
390 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_trackview.get_diskstream()->playlist());
392 apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
397 for (i = region_views.begin(); i != region_views.end(); ) {
401 if (!(*i)->is_valid()) {
403 region_views.erase (i);
407 (*i)->enable_display(true);
411 sort regionviews by layer so that when we call region_layered ()
412 the canvas layering works out (in non-stacked mode).
415 if (copy.size() == 0) {
416 copy.push_front((*i));
421 RegionViewList::iterator k = copy.begin();
422 RegionViewList::iterator l = copy.end();
425 if ((*i)->region()->layer() <= (*k)->region()->layer()) {
426 copy.push_front((*i));
429 } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
430 copy.push_back((*i));
435 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
437 if ((*j)->region()->layer() >= (*i)->region()->layer()) {
438 copy.insert(j, (*i));
447 for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
451 if (!(*xi)->valid()) {
453 crossfade_views.erase (xi);
459 /* now fix canvas layering */
461 for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
462 (*j)->enable_display(true);
463 (*j)->set_height (height);
469 AudioStreamView::set_show_waveforms (bool yn)
471 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
472 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
474 arv->set_waveform_visible (yn);
480 AudioStreamView::set_waveform_shape (WaveformShape shape)
482 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
483 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
485 arv->set_waveform_shape (shape);
487 _waveform_shape = shape;
491 AudioStreamView::set_waveform_scale (WaveformScale scale)
493 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
494 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
496 arv->set_waveform_scale (scale);
498 _waveform_scale = scale;
502 AudioStreamView::setup_rec_box ()
504 //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
506 if (_trackview.session().transport_rolling()) {
508 // cerr << "\trolling\n";
511 _trackview.session().record_status() == Session::Recording &&
512 _trackview.get_diskstream()->record_enabled()) {
513 if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
515 /* add a new region, but don't bother if they set use_rec_regions mid-record */
519 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
522 rec_data_ready_connections.clear();
525 boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
528 for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
529 boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
531 sources.push_back (src);
533 rec_data_ready_connections.push_back (src->PeakRangeReady.connect (bind
534 (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src))));
541 if (rec_regions.size() > 0) {
542 start = rec_regions.back().first->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
545 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
546 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
548 region->set_position (_trackview.session().transport_frame(), this);
550 rec_regions.push_back (make_pair(region, (RegionView*)0));
553 /* start a new rec box */
555 boost::shared_ptr<AudioTrack> at;
557 at = _trackview.audio_track(); /* we know what it is already */
558 boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
559 nframes_t frame_pos = ds->current_capture_start ();
560 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
564 switch (_trackview.audio_track()->mode()) {
567 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
572 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
573 /* make the recording rect translucent to allow
574 the user to see the peak data coming in, etc.
576 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
580 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
581 rec_rect->property_x1() = xstart;
582 rec_rect->property_y1() = 1.0;
583 rec_rect->property_x2() = xend;
584 rec_rect->property_y2() = (double) _trackview.current_height() - 1;
585 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
586 rec_rect->property_outline_what() = 0x1 | 0x2 | 0x4 | 0x8;
587 rec_rect->property_fill_color_rgba() = fill_color;
588 rec_rect->lower_to_bottom();
591 recbox.rectangle = rec_rect;
592 recbox.start = _trackview.session().transport_frame();
595 rec_rects.push_back (recbox);
597 screen_update_connection.disconnect();
598 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));
602 } else if (rec_active &&
603 (_trackview.session().record_status() != Session::Recording ||
604 !_trackview.get_diskstream()->record_enabled())) {
605 screen_update_connection.disconnect();
607 rec_updating = false;
612 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
614 if (!rec_rects.empty() || !rec_regions.empty()) {
616 /* disconnect rapid update */
617 screen_update_connection.disconnect();
619 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
622 rec_data_ready_connections.clear();
624 rec_updating = false;
627 /* remove temp regions */
629 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
630 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
635 (*iter).first->drop_references ();
642 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
644 /* transport stopped, clear boxes */
645 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
646 RecBoxInfo &rect = (*iter);
647 delete rect.rectangle;
657 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
659 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
665 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
667 ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
669 boost::shared_ptr<Source> src (weak_src.lock());
675 // this is called from the peak building thread
677 if (rec_data_ready_map.size() == 0 || start+cnt > last_rec_data_frame) {
678 last_rec_data_frame = start + cnt;
681 rec_data_ready_map[src] = true;
683 if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
684 this->update_rec_regions ();
685 rec_data_ready_map.clear();
690 AudioStreamView::update_rec_regions ()
692 if (use_rec_regions) {
695 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
697 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
702 if (!canvas_item_visible (rec_rects[n].rectangle)) {
703 /* rect already hidden, this region is done */
708 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
713 nframes_t origlen = region->length();
715 if (region == rec_regions.back().first && rec_active) {
717 if (last_rec_data_frame > region->start()) {
719 nframes_t nlen = last_rec_data_frame - region->start();
721 if (nlen != region->length()) {
724 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
725 region->set_length (nlen, this);
726 region->thaw ("updated");
729 /* our special initial length */
730 add_region_view_internal (region, false, true);
733 /* also update rect */
734 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
735 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
736 rect->property_x2() = xend;
742 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
744 if (nlen != region->length()) {
746 if (region->source(0)->length() >= region->start() + nlen) {
749 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
750 region->set_length (nlen, this);
751 region->thaw ("updated");
754 /* our special initial length */
755 add_region_view_internal (region, false, true);
759 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
772 AudioStreamView::show_all_xfades ()
774 foreach_crossfadeview (&CrossfadeView::show);
775 crossfades_visible = true;
779 AudioStreamView::hide_all_xfades ()
781 foreach_crossfadeview (&CrossfadeView::hide);
782 crossfades_visible = false;
786 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
788 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
789 if ((*i)->crossfade->involves (rv.audio_region())) {
796 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
798 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
799 if ((*i)->crossfade->involves (rv.audio_region()) && (*i)->visible() && layer_display != Stacked) {
806 AudioStreamView::color_handler ()
808 //case cAudioTrackBase:
809 if (_trackview.is_track()) {
810 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
813 //case cAudioBusBase:
814 if (!_trackview.is_track()) {
815 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
821 AudioStreamView::update_contents_y_position_and_height ()
823 StreamView::update_contents_y_position_and_height ();
825 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
826 if (layer_display == Overlaid) {
828 (*i)->set_y_position_and_height (0, height);