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"
51 using namespace ARDOUR;
53 using namespace Editing;
55 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
58 crossfades_visible = true;
60 if (tv.is_audio_track())
61 stream_base_color = color_map[cAudioTrackBase];
63 stream_base_color = color_map[cAudioBusBase];
65 canvas_rect->property_fill_color_rgba() = stream_base_color;
66 canvas_rect->property_outline_color_rgba() = color_map[cAudioTrackOutline];
68 _amplitude_above_axis = 1.0;
70 use_rec_regions = tv.editor.show_waveforms_recording ();
71 last_rec_peak_frame = 0;
75 AudioStreamView::~AudioStreamView ()
80 AudioStreamView::set_height (gdouble h)
82 /* limit the values to something sane-ish */
83 if (h < 10.0 || h > 1000.0) {
87 StreamView::set_height(h);
89 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
97 AudioStreamView::set_samples_per_unit (gdouble spp)
99 StreamView::set_samples_per_unit(spp);
101 for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
102 (*xi)->set_samples_per_unit (spp);
109 AudioStreamView::set_amplitude_above_axis (gdouble app)
111 RegionViewList::iterator i;
117 _amplitude_above_axis = app;
119 for (i = region_views.begin(); i != region_views.end(); ++i) {
120 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
122 arv->set_amplitude_above_axis (app);
129 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves)
131 AudioRegionView *region_view;
133 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_region_view), r));
135 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
141 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
142 if ((*i)->region() == r) {
144 /* great. we already have a AudioRegionView for this Region. use it again. */
146 (*i)->set_valid (true);
151 switch (_trackview.audio_track()->mode()) {
153 region_view = new AudioRegionView (canvas_group, _trackview, region,
154 _samples_per_unit, region_color);
157 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
158 _samples_per_unit, region_color);
162 region_view->init (region_color, wait_for_waves);
163 region_view->set_amplitude_above_axis(_amplitude_above_axis);
164 region_views.push_front (region_view);
166 /* follow global waveform setting */
168 region_view->set_waveform_visible(_trackview.editor.show_waveforms());
170 /* catch regionview going away */
171 region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
173 RegionViewAdded (region_view);
177 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
179 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
181 boost::shared_ptr<Region> r (weak_r.lock());
187 if (!_trackview.session().deletion_in_progress()) {
189 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
190 list<CrossfadeView*>::iterator tmp;
195 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
196 if (ar && (*i)->crossfade.involves (ar)) {
198 crossfade_views.erase (i);
206 StreamView::remove_region_view(r);
210 AudioStreamView::undisplay_diskstream ()
212 StreamView::undisplay_diskstream();
214 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
218 crossfade_views.clear ();
222 AudioStreamView::playlist_modified ()
224 ENSURE_GUI_THREAD (mem_fun (*this, &AudioStreamView::playlist_modified));
226 StreamView::playlist_modified();
228 /* make sure xfades are on top and all the regionviews are stacked correctly. */
230 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
231 (*i)->get_canvas_group()->raise_to_top();
236 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
238 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_changed), ds));
240 StreamView::playlist_changed(ds);
242 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
244 playlist_connections.push_back (apl->NewCrossfade.connect (mem_fun (*this, &AudioStreamView::add_crossfade)));
248 AudioStreamView::add_crossfade (Crossfade *crossfade)
250 AudioRegionView* lview = 0;
251 AudioRegionView* rview = 0;
253 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade), crossfade));
255 /* first see if we already have a CrossfadeView for this Crossfade */
257 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
258 if ((*i)->crossfade == *crossfade) {
259 if (!crossfades_visible) {
264 (*i)->set_valid (true);
269 /* create a new one */
271 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
272 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
274 if (!lview && arv && (arv->region() == crossfade->out())) {
277 if (!rview && arv && (arv->region() == crossfade->in())) {
282 CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
289 crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
290 crossfade_views.push_back (cv);
292 if (!Config->get_xfades_visible() || !crossfades_visible) {
298 AudioStreamView::remove_crossfade (Crossfade *xfade)
300 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), xfade));
302 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
303 if (&(*i)->crossfade == xfade) {
305 crossfade_views.erase (i);
312 AudioStreamView::redisplay_diskstream ()
314 list<RegionView *>::iterator i, tmp;
315 list<CrossfadeView*>::iterator xi, tmpx;
317 for (i = region_views.begin(); i != region_views.end(); ++i) {
318 (*i)->set_valid (false);
321 for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
322 (*xi)->set_valid (false);
323 if ((*xi)->visible()) {
328 if (_trackview.is_audio_track()) {
329 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
331 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_trackview.get_diskstream()->playlist());
333 apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
336 for (i = region_views.begin(); i != region_views.end(); ) {
340 if (!(*i)->is_valid()) {
342 region_views.erase (i);
348 for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
352 if (!(*xi)->valid()) {
354 crossfade_views.erase (xi);
360 /* now fix layering */
362 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
368 AudioStreamView::set_show_waveforms (bool yn)
370 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
371 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
373 arv->set_waveform_visible (yn);
378 AudioStreamView::set_waveform_shape (WaveformShape shape)
380 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
381 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
383 arv->set_waveform_shape (shape);
388 AudioStreamView::get_waveform_shape () const
390 // assumes that the first represents all for our purposes
392 if (region_views.size() > 0) {
393 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(region_views.front());
395 if (arv->waveform_rectified())
403 AudioStreamView::set_waveform_scale (WaveformScale scale)
405 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
406 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
408 arv->set_waveform_scale (scale);
413 AudioStreamView::get_waveform_scale () const
415 // assumes that the first represents all for our purposes
417 if (region_views.size() > 0) {
418 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(region_views.front());
420 if (arv->waveform_logscaled())
424 return LinearWaveform;
428 AudioStreamView::setup_rec_box ()
430 // cerr << _trackview.name() << " streamview SRB\n";
432 if (_trackview.session().transport_rolling()) {
434 // cerr << "\trolling\n";
437 _trackview.session().record_status() == Session::Recording &&
438 _trackview.get_diskstream()->record_enabled()) {
440 if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
442 /* add a new region, but don't bother if they set use_rec_regions mid-record */
446 for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
449 peak_ready_connections.clear();
452 boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
455 for (uint32_t n=0; n < ads->n_channels(); ++n) {
456 boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
458 sources.push_back (src);
459 peak_ready_connections.push_back (src->PeakRangeReady.connect (bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src))));
466 if (rec_regions.size() > 0) {
467 start = rec_regions.back()->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
470 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
471 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
472 region->set_position (_trackview.session().transport_frame(), this);
474 rec_regions.push_back (region);
477 /* start a new rec box */
481 at = _trackview.audio_track(); /* we know what it is already */
482 boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
483 nframes_t frame_pos = ds->current_capture_start ();
484 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
488 switch (_trackview.audio_track()->mode()) {
491 fill_color = color_map[cRecordingRectFill];
496 fill_color = color_map[cRecordingRectFill];
497 /* make the recording rect translucent to allow
498 the user to see the peak data coming in, etc.
500 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
504 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
505 rec_rect->property_x1() = xstart;
506 rec_rect->property_y1() = 1.0;
507 rec_rect->property_x2() = xend;
508 rec_rect->property_y2() = (double) _trackview.height - 1;
509 rec_rect->property_outline_color_rgba() = color_map[cRecordingRectOutline];
510 rec_rect->property_fill_color_rgba() = fill_color;
513 recbox.rectangle = rec_rect;
514 recbox.start = _trackview.session().transport_frame();
517 rec_rects.push_back (recbox);
519 screen_update_connection.disconnect();
520 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));
524 } else if (rec_active &&
525 (_trackview.session().record_status() != Session::Recording ||
526 !_trackview.get_diskstream()->record_enabled())) {
528 screen_update_connection.disconnect();
530 rec_updating = false;
536 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
538 if (!rec_rects.empty() || !rec_regions.empty()) {
540 /* disconnect rapid update */
541 screen_update_connection.disconnect();
543 for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
546 peak_ready_connections.clear();
548 rec_updating = false;
550 last_rec_peak_frame = 0;
552 /* remove temp regions */
554 for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
555 list<boost::shared_ptr<Region> >::iterator tmp;
560 (*iter)->drop_references ();
567 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
569 /* transport stopped, clear boxes */
570 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
571 RecBoxInfo &rect = (*iter);
572 delete rect.rectangle;
582 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
584 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
590 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
592 ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
594 boost::shared_ptr<Source> src (weak_src.lock());
600 // this is called from the peak building thread
602 if (rec_peak_ready_map.size() == 0 || start+cnt > last_rec_peak_frame) {
603 last_rec_peak_frame = start + cnt;
606 rec_peak_ready_map[src] = true;
608 if (rec_peak_ready_map.size() == _trackview.get_diskstream()->n_channels()) {
609 this->update_rec_regions ();
610 rec_peak_ready_map.clear();
615 AudioStreamView::update_rec_regions ()
617 if (use_rec_regions) {
621 for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
623 list<boost::shared_ptr<Region> >::iterator tmp;
628 if (!canvas_item_visible (rec_rects[n].rectangle)) {
629 /* rect already hidden, this region is done */
634 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(*iter);
639 nframes_t origlen = region->length();
641 if (region == rec_regions.back() && rec_active) {
643 if (last_rec_peak_frame > region->start()) {
645 nframes_t nlen = last_rec_peak_frame - region->start();
647 if (nlen != region->length()) {
650 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
651 region->set_length (nlen, this);
652 region->thaw ("updated");
655 /* our special initial length */
656 add_region_view_internal (region, false);
659 /* also update rect */
660 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
661 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
662 rect->property_x2() = xend;
668 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
670 if (nlen != region->length()) {
672 if (region->source(0)->length() >= region->start() + nlen) {
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);
685 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
698 AudioStreamView::show_all_xfades ()
700 foreach_crossfadeview (&CrossfadeView::show);
701 crossfades_visible = true;
705 AudioStreamView::hide_all_xfades ()
707 foreach_crossfadeview (&CrossfadeView::hide);
708 crossfades_visible = false;
712 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
714 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
715 if ((*i)->crossfade.involves (rv.audio_region())) {
722 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
724 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
725 if ((*i)->crossfade.involves (rv.audio_region()) && (*i)->visible()) {
732 AudioStreamView::color_handler (ColorID id, uint32_t val)
735 case cAudioTrackBase:
736 if (_trackview.is_track()) {
737 canvas_rect->property_fill_color_rgba() = val;
741 if (!_trackview.is_track()) {
742 canvas_rect->property_fill_color_rgba() = val;
745 case cAudioTrackOutline:
746 canvas_rect->property_outline_color_rgba() = val;