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/source.h"
33 #include "ardour/region_factory.h"
34 #include "ardour/profile.h"
35 #include "ardour/rc_configuration.h"
36 #include "ardour/session.h"
38 #include "audio_streamview.h"
39 #include "audio_region_view.h"
40 #include "tape_region_view.h"
41 #include "audio_time_axis.h"
42 #include "canvas-waveview.h"
43 #include "canvas-simplerect.h"
44 #include "region_selection.h"
45 #include "selection.h"
46 #include "public_editor.h"
47 #include "ardour_ui.h"
48 #include "crossfade_view.h"
49 #include "rgb_macros.h"
50 #include "gui_thread.h"
56 using namespace ARDOUR;
58 using namespace Editing;
60 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
63 crossfades_visible = true;
65 _amplitude_above_axis = 1.0;
67 use_rec_regions = tv.editor().show_waveforms_recording ();
69 Config->ParameterChanged.connect (*this, ui_bind (&AudioStreamView::parameter_changed, this, _1), gui_context());
72 AudioStreamView::~AudioStreamView ()
77 AudioStreamView::set_samples_per_unit (gdouble spp)
79 StreamView::set_samples_per_unit(spp);
81 for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
82 xi->second->set_samples_per_unit (spp);
89 AudioStreamView::set_amplitude_above_axis (gdouble app)
91 RegionViewList::iterator i;
97 _amplitude_above_axis = app;
99 for (i = region_views.begin(); i != region_views.end(); ++i) {
100 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
102 arv->set_amplitude_above_axis (app);
109 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
111 AudioRegionView *region_view = 0;
112 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
118 switch (_trackview.audio_track()->mode()) {
123 region_view = new AudioRegionView (canvas_group, _trackview, region,
124 _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(
125 TimeAxisViewItem::ShowFrame | TimeAxisViewItem::HideFrameRight));
127 region_view = new AudioRegionView (canvas_group, _trackview, region,
128 _samples_per_unit, region_color);
132 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
133 _samples_per_unit, region_color);
136 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
141 region_view->init (region_color, wait_for_waves);
142 region_view->set_amplitude_above_axis(_amplitude_above_axis);
143 region_view->set_height (child_height ());
145 /* if its the special single-sample length that we use for rec-regions, make it
146 insensitive to events
149 if (region->length() == 1) {
150 region_view->set_sensitive (false);
153 region_view->set_waveform_scale (Config->get_waveform_scale ());
154 region_view->set_waveform_shape (Config->get_waveform_shape ());
155 region_view->set_waveform_visible (Config->get_show_waveforms ());
161 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
163 RegionView *region_view = create_region_view (r, wait_for_waves, recording);
164 if (region_view == 0) {
169 // for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
170 // if ((*i)->region() == r) {
171 // cerr << "audio_streamview in add_region_view_internal region found" << endl;
172 /* great. we already have a AudioRegionView for this Region. use it again. */
174 // (*i)->set_valid (true);
176 // this might not be necessary
177 // AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
180 // arv->set_waveform_scale (_waveform_scale);
181 // arv->set_waveform_shape (_waveform_shape);
189 region_views.push_front (region_view);
191 /* catch region going away */
193 r->DropReferences.connect (*this, boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
195 RegionViewAdded (region_view);
201 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
203 ENSURE_GUI_THREAD (*this, &AudioStreamView::remove_region_view, weak_r);
205 cerr << "a region went way, it appears to be ours (" << this << ")\n";
207 boost::shared_ptr<Region> r (weak_r.lock());
213 if (!_trackview.session()->deletion_in_progress()) {
215 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
216 CrossfadeViewList::iterator tmp;
221 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
222 if (ar && i->second->crossfade->involves (ar)) {
224 crossfade_views.erase (i);
231 StreamView::remove_region_view(r);
235 AudioStreamView::undisplay_diskstream ()
237 StreamView::undisplay_diskstream();
239 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
243 crossfade_views.clear ();
247 AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
249 boost::shared_ptr<Diskstream> sp (ds.lock());
251 playlist_modified (sp);
256 AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
258 /* we do not allow shared_ptr<T> to be bound to slots */
259 ENSURE_GUI_THREAD (*this, &AudioStreamView::playlist_modified_weak, ds)
261 StreamView::playlist_modified (ds);
263 /* make sure xfades are on top and all the regionviews are stacked correctly. */
265 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
266 i->second->get_canvas_group()->raise_to_top();
271 AudioStreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
273 boost::shared_ptr<Diskstream> sp (ds.lock());
275 playlist_changed (sp);
280 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
282 ENSURE_GUI_THREAD (*this, &AudioStreamView::playlist_changed_weak, boost::weak_ptr<Diskstream> (ds));
284 playlist_connections.drop_connections ();
286 StreamView::playlist_changed(ds);
288 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
291 apl->NewCrossfade.connect (playlist_connections, ui_bind (&AudioStreamView::add_crossfade, this, _1), gui_context());
296 AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
298 boost::shared_ptr<Crossfade> sp (crossfade.lock());
308 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
310 AudioRegionView* lview = 0;
311 AudioRegionView* rview = 0;
313 /* we do not allow shared_ptr<T> to be bound to slots */
315 ENSURE_GUI_THREAD (*this, &AudioStreamView::add_crossfade_weak, boost::weak_ptr<Crossfade> (crossfade));
317 /* first see if we already have a CrossfadeView for this Crossfade */
319 CrossfadeViewList::iterator i = crossfade_views.find (crossfade);
320 if (i != crossfade_views.end()) {
321 if (!crossfades_visible) {
326 i->second->set_valid (true);
330 /* create a new one */
332 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
333 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
335 if (!lview && arv && (arv->region() == crossfade->out())) {
338 if (!rview && arv && (arv->region() == crossfade->in())) {
343 CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display (),
349 cv->set_valid (true);
350 crossfade->Invalidated.connect (*this, ui_bind (&AudioStreamView::remove_crossfade, this, _1), gui_context());
351 crossfade_views[cv->crossfade] = cv;
352 if (!_trackview.session()->config.get_xfades_visible() || !crossfades_visible) {
356 update_content_height (cv);
360 AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
362 ENSURE_GUI_THREAD (*this, &AudioStreamView::remove_crossfade, r)
364 boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
366 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
367 if (i->second->crossfade == xfade) {
369 crossfade_views.erase (i);
376 AudioStreamView::redisplay_diskstream ()
378 list<RegionView *>::iterator i;
379 CrossfadeViewList::iterator xi, tmpx;
381 // Flag region views as invalid and disable drawing
382 for (i = region_views.begin(); i != region_views.end(); ++i) {
383 (*i)->set_valid (false);
384 (*i)->enable_display (false);
387 // Flag crossfade views as invalid
388 for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
389 xi->second->set_valid (false);
390 if (xi->second->visible()) {
395 // Add and display region and crossfade views, and flag them as valid
397 if (_trackview.is_audio_track()) {
398 _trackview.get_diskstream()->playlist()->foreach_region(
399 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
402 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(
403 _trackview.get_diskstream()->playlist()
407 apl->foreach_crossfade (sigc::mem_fun (*this, &AudioStreamView::add_crossfade));
411 // Remove invalid crossfade views
412 for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
416 if (!xi->second->valid()) {
418 crossfade_views.erase (xi);
424 // Stack regions by layer, and remove invalid regions
429 AudioStreamView::set_show_waveforms (bool yn)
431 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
432 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
434 arv->set_waveform_visible (yn);
440 AudioStreamView::set_waveform_shape (WaveformShape shape)
442 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
443 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
445 arv->set_waveform_shape (shape);
450 AudioStreamView::set_waveform_scale (WaveformScale scale)
452 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
453 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
455 arv->set_waveform_scale (scale);
461 AudioStreamView::setup_rec_box ()
463 //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
465 if (_trackview.session()->transport_rolling()) {
467 // cerr << "\trolling\n";
470 _trackview.session()->record_status() == Session::Recording &&
471 _trackview.get_diskstream()->record_enabled()) {
472 if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
474 /* add a new region, but don't bother if they set use_rec_regions mid-record */
478 rec_data_ready_connections.drop_connections ();
479 boost::shared_ptr<AudioDiskstream> ads = _trackview.audio_track()->audio_diskstream();
481 for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
482 boost::shared_ptr<AudioFileSource> src = ads->write_source (n);
484 sources.push_back (src);
485 src->PeakRangeReady.connect (rec_data_ready_connections,
486 ui_bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
494 if (rec_regions.size() > 0) {
495 start = rec_regions.back().first->start()
496 + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
499 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>(
500 RegionFactory::create (sources, start, 1, "", 0, Region::DefaultFlags, false)));
502 region->block_property_changes ();
503 region->set_position (_trackview.session()->transport_frame(), this);
504 rec_regions.push_back (make_pair(region, (RegionView*)0));
507 /* start a new rec box */
509 boost::shared_ptr<AudioTrack> at;
511 at = _trackview.audio_track(); /* we know what it is already */
512 boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
513 nframes_t frame_pos = ds->current_capture_start ();
514 gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
518 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() = child_height ();
540 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
541 rec_rect->property_outline_what() = 0x1 | 0x2 | 0x4 | 0x8;
542 rec_rect->property_fill_color_rgba() = fill_color;
543 rec_rect->lower_to_bottom();
546 recbox.rectangle = rec_rect;
547 recbox.start = _trackview.session()->transport_frame();
550 rec_rects.push_back (recbox);
552 screen_update_connection.disconnect();
553 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
554 sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
558 } else if (rec_active &&
559 (_trackview.session()->record_status() != Session::Recording ||
560 !_trackview.get_diskstream()->record_enabled())) {
561 screen_update_connection.disconnect();
563 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();
574 rec_data_ready_connections.drop_connections ();
575 rec_updating = false;
578 /* remove temp regions */
580 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
581 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
586 (*iter).first->drop_references ();
593 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
595 /* transport stopped, clear boxes */
596 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
597 RecBoxInfo &rect = (*iter);
598 delete rect.rectangle;
608 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
610 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
611 (i->second->*pmf) ();
616 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
618 ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
620 boost::shared_ptr<Source> src (weak_src.lock());
626 // this is called from the peak building thread
628 if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
629 last_rec_data_frame = start + cnt;
632 rec_data_ready_map[src] = true;
634 if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
635 this->update_rec_regions ();
636 rec_data_ready_map.clear();
641 AudioStreamView::update_rec_regions ()
643 if (use_rec_regions) {
646 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
647 iter != rec_regions.end(); n++) {
649 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
652 if (!canvas_item_visible (rec_rects[n].rectangle)) {
653 /* rect already hidden, this region is done */
658 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
664 nframes_t origlen = region->length();
666 if (region == rec_regions.back().first && rec_active) {
668 if (last_rec_data_frame > region->start()) {
670 nframes_t nlen = last_rec_data_frame - region->start();
672 if (nlen != region->length()) {
675 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
676 region->set_length (nlen, this);
677 region->thaw ("updated");
680 /* our special initial length */
681 add_region_view_internal (region, false, true);
684 /* also update rect */
685 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
686 gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
687 rect->property_x2() = xend;
693 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
695 if (nlen != region->length()) {
697 if (region->source_length(0) >= region->start() + nlen) {
700 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
701 region->set_length (nlen, this);
702 region->thaw ("updated");
705 /* our special initial length */
706 add_region_view_internal (region, false, true);
710 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
723 AudioStreamView::show_all_fades ()
725 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
726 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
728 arv->set_fade_visibility (true);
734 AudioStreamView::hide_all_fades ()
736 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
737 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
739 arv->set_fade_visibility (false);
745 AudioStreamView::show_all_xfades ()
747 foreach_crossfadeview (&CrossfadeView::show);
748 crossfades_visible = true;
752 AudioStreamView::hide_all_xfades ()
754 foreach_crossfadeview (&CrossfadeView::hide);
755 crossfades_visible = false;
759 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
761 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
762 if (i->second->crossfade->involves (rv.audio_region())) {
763 i->second->fake_hide ();
769 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
771 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
772 if (i->second->crossfade->involves (rv.audio_region()) && i->second->visible()) {
779 AudioStreamView::color_handler ()
781 //case cAudioTrackBase:
782 if (_trackview.is_track()) {
783 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
786 //case cAudioBusBase:
787 if (!_trackview.is_track()) {
788 if (Profile->get_sae() && _trackview.route()->is_master()) {
789 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioMasterBusBase.get();
791 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
797 AudioStreamView::update_contents_height ()
799 StreamView::update_contents_height ();
801 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
802 update_content_height (i->second);
807 AudioStreamView::update_content_height (CrossfadeView* cv)
811 if (_layer_display == Overlaid) {
814 cv->set_height (height);
818 layer_t const inl = cv->crossfade->in()->layer ();
819 layer_t const outl = cv->crossfade->out()->layer ();
821 layer_t const high = max (inl, outl);
822 layer_t const low = min (inl, outl);
824 const double h = child_height ();
826 cv->set_y ((_layers - high - 1) * h);
827 cv->set_height ((high - low + 1) * h);
833 AudioStreamView::parameter_changed (string const & p)
835 if (p == "show-waveforms") {
836 set_show_waveforms (Config->get_show_waveforms ());
837 } else if (p == "waveform-scale") {
838 set_waveform_scale (Config->get_waveform_scale ());
839 } else if (p == "waveform-shape") {
840 set_waveform_shape (Config->get_waveform_shape ());