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.
24 #include <gtkmm2ext/gtk_ui.h>
26 #include <ardour/audioplaylist.h>
27 #include <ardour/audioregion.h>
28 #include <ardour/audiofilesource.h>
29 #include <ardour/audio_diskstream.h>
30 #include <ardour/audio_track.h>
31 #include <ardour/playlist_templates.h>
32 #include <ardour/source.h>
33 #include <ardour/region_factory.h>
35 #include "audio_streamview.h"
36 #include "audio_region_view.h"
37 #include "tape_region_view.h"
38 #include "audio_time_axis.h"
39 #include "canvas-waveview.h"
40 #include "canvas-simplerect.h"
41 #include "region_selection.h"
42 #include "selection.h"
43 #include "public_editor.h"
44 #include "ardour_ui.h"
45 #include "crossfade_view.h"
46 #include "rgb_macros.h"
47 #include "gui_thread.h"
52 using namespace ARDOUR;
54 using namespace Editing;
56 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
59 crossfades_visible = true;
60 _waveform_scale = LinearWaveform;
61 _waveform_shape = Traditional;
63 if (tv.is_audio_track())
64 stream_base_color = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
66 stream_base_color = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
68 canvas_rect->property_fill_color_rgba() = stream_base_color;
69 canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
71 _amplitude_above_axis = 1.0;
73 use_rec_regions = tv.editor.show_waveforms_recording ();
74 last_rec_peak_frame = 0;
78 AudioStreamView::~AudioStreamView ()
83 AudioStreamView::set_height (gdouble h)
85 /* limit the values to something sane-ish */
86 if (h < 10.0 || h > 1000.0) {
90 StreamView::set_height(h);
92 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
100 AudioStreamView::set_samples_per_unit (gdouble spp)
102 StreamView::set_samples_per_unit(spp);
104 for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
105 (*xi)->set_samples_per_unit (spp);
112 AudioStreamView::set_amplitude_above_axis (gdouble app)
114 RegionViewList::iterator i;
120 _amplitude_above_axis = app;
122 for (i = region_views.begin(); i != region_views.end(); ++i) {
123 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
125 arv->set_amplitude_above_axis (app);
132 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
134 AudioRegionView *region_view = 0;
136 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_region_view), r));
138 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
144 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
145 if ((*i)->region() == r) {
147 /* great. we already have a AudioRegionView for this Region. use it again. */
149 (*i)->set_valid (true);
151 // this might not be necessary
152 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
154 arv->set_waveform_scale (_waveform_scale);
155 arv->set_waveform_shape (_waveform_shape);
162 switch (_trackview.audio_track()->mode()) {
165 region_view = new AudioRegionView (canvas_group, _trackview, region,
166 _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(TimeAxisViewItem::ShowFrame | TimeAxisViewItem::HideFrameRight));
168 region_view = new AudioRegionView (canvas_group, _trackview, region,
169 _samples_per_unit, region_color);
173 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
174 _samples_per_unit, region_color);
177 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
182 region_view->init (region_color, wait_for_waves);
183 region_view->set_amplitude_above_axis(_amplitude_above_axis);
184 region_views.push_front (region_view);
186 /* if its the special single-sample length that we use for rec-regions, make it
187 insensitive to events
190 if (region->length() == 1) {
191 region_view->set_sensitive (false);
194 /* if this was the first one, then lets query the waveform scale and shape.
195 otherwise, we set it to the current value */
197 if (region_views.size() == 1) {
198 if (region_view->waveform_logscaled()) {
199 _waveform_scale = LogWaveform;
201 _waveform_scale = LinearWaveform;
204 if (region_view->waveform_rectified()) {
205 _waveform_shape = Rectified;
207 _waveform_shape = Traditional;
211 region_view->set_waveform_scale(_waveform_scale);
212 region_view->set_waveform_shape(_waveform_shape);
215 /* follow global waveform setting */
217 region_view->set_waveform_visible(_trackview.editor.show_waveforms());
219 /* catch regionview going away */
220 region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
222 RegionViewAdded (region_view);
226 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
228 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
230 boost::shared_ptr<Region> r (weak_r.lock());
236 if (!_trackview.session().deletion_in_progress()) {
238 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
239 list<CrossfadeView*>::iterator tmp;
244 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
245 if (ar && (*i)->crossfade->involves (ar)) {
247 crossfade_views.erase (i);
255 StreamView::remove_region_view(r);
259 AudioStreamView::undisplay_diskstream ()
261 StreamView::undisplay_diskstream();
263 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
267 crossfade_views.clear ();
271 AudioStreamView::playlist_modified ()
273 ENSURE_GUI_THREAD (mem_fun (*this, &AudioStreamView::playlist_modified));
275 StreamView::playlist_modified();
277 /* make sure xfades are on top and all the regionviews are stacked correctly. */
279 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
280 (*i)->get_canvas_group()->raise_to_top();
285 AudioStreamView::playlist_changed (boost::weak_ptr<Diskstream> wptr)
287 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_changed), wptr));
289 boost::shared_ptr<Diskstream> ds = wptr.lock();
295 StreamView::playlist_changed(ds);
297 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
299 playlist_connections.push_back (apl->NewCrossfade.connect (mem_fun (*this, &AudioStreamView::add_crossfade)));
303 AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
305 boost::shared_ptr<Crossfade> sp (crossfade.lock());
315 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
317 AudioRegionView* lview = 0;
318 AudioRegionView* rview = 0;
320 /* we do not allow shared_ptr<T> to be bound to slots */
322 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade_weak), boost::weak_ptr<Crossfade> (crossfade)));
324 /* first see if we already have a CrossfadeView for this Crossfade */
326 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
327 if ((*i)->crossfade == crossfade) {
328 if (!crossfades_visible) {
333 (*i)->set_valid (true);
338 /* create a new one */
340 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
341 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
343 if (!lview && arv && (arv->region() == crossfade->out())) {
346 if (!rview && arv && (arv->region() == crossfade->in())) {
351 CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
358 crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
359 crossfade_views.push_back (cv);
361 if (!Config->get_xfades_visible() || !crossfades_visible) {
367 AudioStreamView::remove_crossfade (boost::shared_ptr<Crossfade> xfade)
369 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), xfade));
371 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
372 if ((*i)->crossfade == xfade) {
374 crossfade_views.erase (i);
381 AudioStreamView::redisplay_diskstream ()
383 list<RegionView *>::iterator i, tmp;
384 list<CrossfadeView*>::iterator xi, tmpx;
386 for (i = region_views.begin(); i != region_views.end(); ++i) {
387 (*i)->set_valid (false);
390 for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
391 (*xi)->set_valid (false);
392 if ((*xi)->visible()) {
397 if (_trackview.is_audio_track()) {
398 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
400 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_trackview.get_diskstream()->playlist());
402 apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
405 for (i = region_views.begin(); i != region_views.end(); ) {
409 if (!(*i)->is_valid()) {
411 region_views.erase (i);
417 for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
421 if (!(*xi)->valid()) {
423 crossfade_views.erase (xi);
429 /* now fix layering */
431 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
437 AudioStreamView::set_show_waveforms (bool yn)
439 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
440 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
442 arv->set_waveform_visible (yn);
448 AudioStreamView::set_waveform_shape (WaveformShape shape)
450 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
451 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
453 arv->set_waveform_shape (shape);
455 _waveform_shape = shape;
459 AudioStreamView::set_waveform_scale (WaveformScale scale)
461 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
462 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
464 arv->set_waveform_scale (scale);
466 _waveform_scale = scale;
470 AudioStreamView::setup_rec_box ()
472 // cerr << _trackview.name() << " streamview SRB\n";
474 if (_trackview.session().transport_rolling()) {
476 // cerr << "\trolling\n";
479 _trackview.session().record_status() == Session::Recording &&
480 _trackview.get_diskstream()->record_enabled()) {
482 if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
484 /* add a new region, but don't bother if they set use_rec_regions mid-record */
488 for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
491 peak_ready_connections.clear();
494 boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
497 for (uint32_t n=0; n < ads->n_channels(); ++n) {
498 boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
500 sources.push_back (src);
501 peak_ready_connections.push_back (src->PeakRangeReady.connect (bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src))));
508 if (rec_regions.size() > 0) {
509 start = rec_regions.back()->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
512 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
513 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
514 region->set_position (_trackview.session().transport_frame(), this);
516 rec_regions.push_back (region);
519 /* start a new rec box */
521 boost::shared_ptr<AudioTrack> at = _trackview.audio_track ();
522 boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
523 nframes_t frame_pos = ds->current_capture_start ();
524 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
528 switch (at->mode()) {
531 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
536 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
537 /* make the recording rect translucent to allow
538 the user to see the peak data coming in, etc.
540 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
544 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
545 rec_rect->property_x1() = xstart;
546 rec_rect->property_y1() = 1.0;
547 rec_rect->property_x2() = xend;
548 rec_rect->property_y2() = (double) _trackview.height - 1;
549 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
550 rec_rect->property_outline_what() = 0x4 | 0x8; // Draw top and bottom outline to blend with region
551 rec_rect->property_fill_color_rgba() = fill_color;
554 recbox.rectangle = rec_rect;
555 recbox.start = _trackview.session().transport_frame();
558 rec_rects.push_back (recbox);
560 screen_update_connection.disconnect();
561 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));
565 } else if (rec_active &&
566 (_trackview.session().record_status() != Session::Recording ||
567 !_trackview.get_diskstream()->record_enabled())) {
569 screen_update_connection.disconnect();
571 rec_updating = false;
577 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
579 if (!rec_rects.empty() || !rec_regions.empty()) {
581 /* disconnect rapid update */
582 screen_update_connection.disconnect();
584 for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
587 peak_ready_connections.clear();
589 rec_updating = false;
591 last_rec_peak_frame = 0;
593 /* remove temp regions */
595 for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
596 list<boost::shared_ptr<Region> >::iterator tmp;
601 (*iter)->drop_references ();
608 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
610 /* transport stopped, clear boxes */
611 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
612 RecBoxInfo &rect = (*iter);
613 delete rect.rectangle;
623 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
625 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
631 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
633 ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
635 boost::shared_ptr<Source> src (weak_src.lock());
641 // this is called from the peak building thread
643 if (rec_peak_ready_map.size() == 0 || start+cnt > last_rec_peak_frame) {
644 last_rec_peak_frame = start + cnt;
647 rec_peak_ready_map[src] = true;
649 if (rec_peak_ready_map.size() == _trackview.get_diskstream()->n_channels()) {
650 this->update_rec_regions ();
651 rec_peak_ready_map.clear();
656 AudioStreamView::update_rec_regions ()
658 if (use_rec_regions) {
662 for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
664 list<boost::shared_ptr<Region> >::iterator tmp;
669 if (!canvas_item_visible (rec_rects[n].rectangle)) {
670 /* rect already hidden, this region is done */
675 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(*iter);
680 nframes_t origlen = region->length();
682 if (region == rec_regions.back() && rec_active) {
684 if (last_rec_peak_frame > region->start()) {
686 nframes_t nlen = last_rec_peak_frame - region->start();
688 if (nlen != region->length()) {
691 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
692 region->set_length (nlen, this);
693 region->thaw ("updated");
696 /* our special initial length */
697 add_region_view_internal (region, false, true);
700 /* also update rect */
701 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
702 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
703 rect->property_x2() = xend;
709 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
711 if (nlen != region->length()) {
713 if (region->source(0)->length() >= region->start() + nlen) {
716 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
717 region->set_length (nlen, this);
718 region->thaw ("updated");
721 /* our special initial length */
722 add_region_view_internal (region, false, true);
726 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
739 AudioStreamView::show_all_xfades ()
741 foreach_crossfadeview (&CrossfadeView::show);
742 crossfades_visible = true;
746 AudioStreamView::hide_all_xfades ()
748 foreach_crossfadeview (&CrossfadeView::hide);
749 crossfades_visible = false;
753 AudioStreamView::hide_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())) {
763 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
765 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
766 if ((*i)->crossfade->involves (rv.audio_region()) && (*i)->visible()) {
773 AudioStreamView::color_handler ()
775 if (_trackview.is_track()) {
776 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
779 if (!_trackview.is_track()) {
780 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();