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;
59 _waveform_scale = LinearWaveform;
60 _waveform_shape = Traditional;
62 if (tv.is_audio_track())
63 stream_base_color = color_map[cAudioTrackBase];
65 stream_base_color = color_map[cAudioBusBase];
67 canvas_rect->property_fill_color_rgba() = stream_base_color;
68 canvas_rect->property_outline_color_rgba() = color_map[cAudioTrackOutline];
70 _amplitude_above_axis = 1.0;
72 use_rec_regions = tv.editor.show_waveforms_recording ();
73 last_rec_peak_frame = 0;
77 AudioStreamView::~AudioStreamView ()
82 AudioStreamView::set_height (gdouble h)
84 /* limit the values to something sane-ish */
85 if (h < 10.0 || h > 1000.0) {
89 StreamView::set_height(h);
91 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
99 AudioStreamView::set_samples_per_unit (gdouble spp)
101 StreamView::set_samples_per_unit(spp);
103 for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
104 (*xi)->set_samples_per_unit (spp);
111 AudioStreamView::set_amplitude_above_axis (gdouble app)
113 RegionViewList::iterator i;
119 _amplitude_above_axis = app;
121 for (i = region_views.begin(); i != region_views.end(); ++i) {
122 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
124 arv->set_amplitude_above_axis (app);
131 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves)
133 AudioRegionView *region_view;
135 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_region_view), r));
137 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
143 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
144 if ((*i)->region() == r) {
146 /* great. we already have a AudioRegionView for this Region. use it again. */
148 (*i)->set_valid (true);
150 // this might not be necessary
151 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
153 arv->set_waveform_scale (_waveform_scale);
154 arv->set_waveform_shape (_waveform_shape);
161 switch (_trackview.audio_track()->mode()) {
163 region_view = new AudioRegionView (canvas_group, _trackview, region,
164 _samples_per_unit, region_color);
167 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
168 _samples_per_unit, region_color);
172 region_view->init (region_color, wait_for_waves);
173 region_view->set_amplitude_above_axis(_amplitude_above_axis);
174 region_views.push_front (region_view);
176 /* if this was the first one, then lets query the waveform scale and shape.
177 otherwise, we set it to the current value */
179 if (region_views.size() == 1) {
180 if (region_view->waveform_logscaled()) {
181 _waveform_scale = LogWaveform;
183 _waveform_scale = LinearWaveform;
186 if (region_view->waveform_rectified()) {
187 _waveform_shape = Rectified;
189 _waveform_shape = Traditional;
193 region_view->set_waveform_scale(_waveform_scale);
194 region_view->set_waveform_shape(_waveform_shape);
197 /* follow global waveform setting */
199 region_view->set_waveform_visible(_trackview.editor.show_waveforms());
201 /* catch regionview going away */
202 region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
204 RegionViewAdded (region_view);
208 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
210 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
212 boost::shared_ptr<Region> r (weak_r.lock());
218 if (!_trackview.session().deletion_in_progress()) {
220 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
221 list<CrossfadeView*>::iterator tmp;
226 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
227 if (ar && (*i)->crossfade->involves (ar)) {
229 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 ()
255 ENSURE_GUI_THREAD (mem_fun (*this, &AudioStreamView::playlist_modified));
257 StreamView::playlist_modified();
259 /* make sure xfades are on top and all the regionviews are stacked correctly. */
261 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
262 (*i)->get_canvas_group()->raise_to_top();
267 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
269 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_changed), ds));
271 StreamView::playlist_changed(ds);
273 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
275 playlist_connections.push_back (apl->NewCrossfade.connect (mem_fun (*this, &AudioStreamView::add_crossfade)));
279 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
281 AudioRegionView* lview = 0;
282 AudioRegionView* rview = 0;
284 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade), crossfade));
286 /* first see if we already have a CrossfadeView for this Crossfade */
288 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
289 if ((*i)->crossfade == crossfade) {
290 if (!crossfades_visible) {
295 (*i)->set_valid (true);
300 /* create a new one */
302 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
303 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
305 if (!lview && arv && (arv->region() == crossfade->out())) {
308 if (!rview && arv && (arv->region() == crossfade->in())) {
313 CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
320 crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
321 crossfade_views.push_back (cv);
323 if (!Config->get_xfades_visible() || !crossfades_visible) {
329 AudioStreamView::remove_crossfade (boost::shared_ptr<Crossfade> xfade)
331 ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), xfade));
333 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
334 if ((*i)->crossfade == xfade) {
336 crossfade_views.erase (i);
343 AudioStreamView::redisplay_diskstream ()
345 list<RegionView *>::iterator i, tmp;
346 list<CrossfadeView*>::iterator xi, tmpx;
348 for (i = region_views.begin(); i != region_views.end(); ++i) {
349 (*i)->set_valid (false);
352 for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
353 (*xi)->set_valid (false);
354 if ((*xi)->visible()) {
359 if (_trackview.is_audio_track()) {
360 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
362 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_trackview.get_diskstream()->playlist());
364 apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
367 for (i = region_views.begin(); i != region_views.end(); ) {
371 if (!(*i)->is_valid()) {
373 region_views.erase (i);
379 for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
383 if (!(*xi)->valid()) {
385 crossfade_views.erase (xi);
391 /* now fix layering */
393 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
399 AudioStreamView::set_show_waveforms (bool yn)
401 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
402 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
404 arv->set_waveform_visible (yn);
409 AudioStreamView::set_waveform_shape (WaveformShape shape)
411 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
412 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
414 arv->set_waveform_shape (shape);
416 _waveform_shape = shape;
420 AudioStreamView::set_waveform_scale (WaveformScale scale)
422 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
423 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
425 arv->set_waveform_scale (scale);
427 _waveform_scale = scale;
431 AudioStreamView::setup_rec_box ()
433 // cerr << _trackview.name() << " streamview SRB\n";
435 if (_trackview.session().transport_rolling()) {
437 // cerr << "\trolling\n";
440 _trackview.session().record_status() == Session::Recording &&
441 _trackview.get_diskstream()->record_enabled()) {
443 if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
445 /* add a new region, but don't bother if they set use_rec_regions mid-record */
449 for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
452 peak_ready_connections.clear();
455 boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
458 for (uint32_t n=0; n < ads->n_channels(); ++n) {
459 boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
461 sources.push_back (src);
462 peak_ready_connections.push_back (src->PeakRangeReady.connect (bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src))));
469 if (rec_regions.size() > 0) {
470 start = rec_regions.back()->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
473 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
474 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
475 region->set_position (_trackview.session().transport_frame(), this);
477 rec_regions.push_back (region);
480 /* start a new rec box */
484 at = _trackview.audio_track(); /* we know what it is already */
485 boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
486 nframes_t frame_pos = ds->current_capture_start ();
487 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
491 switch (_trackview.audio_track()->mode()) {
494 fill_color = color_map[cRecordingRectFill];
499 fill_color = color_map[cRecordingRectFill];
500 /* make the recording rect translucent to allow
501 the user to see the peak data coming in, etc.
503 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
507 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
508 rec_rect->property_x1() = xstart;
509 rec_rect->property_y1() = 1.0;
510 rec_rect->property_x2() = xend;
511 rec_rect->property_y2() = (double) _trackview.height - 1;
512 rec_rect->property_outline_color_rgba() = color_map[cRecordingRectOutline];
513 rec_rect->property_fill_color_rgba() = fill_color;
516 recbox.rectangle = rec_rect;
517 recbox.start = _trackview.session().transport_frame();
520 rec_rects.push_back (recbox);
522 screen_update_connection.disconnect();
523 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));
527 } else if (rec_active &&
528 (_trackview.session().record_status() != Session::Recording ||
529 !_trackview.get_diskstream()->record_enabled())) {
531 screen_update_connection.disconnect();
533 rec_updating = false;
539 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
541 if (!rec_rects.empty() || !rec_regions.empty()) {
543 /* disconnect rapid update */
544 screen_update_connection.disconnect();
546 for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
549 peak_ready_connections.clear();
551 rec_updating = false;
553 last_rec_peak_frame = 0;
555 /* remove temp regions */
557 for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
558 list<boost::shared_ptr<Region> >::iterator tmp;
563 (*iter)->drop_references ();
570 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
572 /* transport stopped, clear boxes */
573 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
574 RecBoxInfo &rect = (*iter);
575 delete rect.rectangle;
585 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
587 for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
593 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
595 ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
597 boost::shared_ptr<Source> src (weak_src.lock());
603 // this is called from the peak building thread
605 if (rec_peak_ready_map.size() == 0 || start+cnt > last_rec_peak_frame) {
606 last_rec_peak_frame = start + cnt;
609 rec_peak_ready_map[src] = true;
611 if (rec_peak_ready_map.size() == _trackview.get_diskstream()->n_channels()) {
612 this->update_rec_regions ();
613 rec_peak_ready_map.clear();
618 AudioStreamView::update_rec_regions ()
620 if (use_rec_regions) {
624 for (list<boost::shared_ptr<Region> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
626 list<boost::shared_ptr<Region> >::iterator tmp;
631 if (!canvas_item_visible (rec_rects[n].rectangle)) {
632 /* rect already hidden, this region is done */
637 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(*iter);
642 nframes_t origlen = region->length();
644 if (region == rec_regions.back() && rec_active) {
646 if (last_rec_peak_frame > region->start()) {
648 nframes_t nlen = last_rec_peak_frame - region->start();
650 if (nlen != region->length()) {
653 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
654 region->set_length (nlen, this);
655 region->thaw ("updated");
658 /* our special initial length */
659 add_region_view_internal (region, false);
662 /* also update rect */
663 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
664 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
665 rect->property_x2() = xend;
671 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
673 if (nlen != region->length()) {
675 if (region->source(0)->length() >= region->start() + nlen) {
678 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
679 region->set_length (nlen, this);
680 region->thaw ("updated");
683 /* our special initial length */
684 add_region_view_internal (region, false);
688 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
701 AudioStreamView::show_all_xfades ()
703 foreach_crossfadeview (&CrossfadeView::show);
704 crossfades_visible = true;
708 AudioStreamView::hide_all_xfades ()
710 foreach_crossfadeview (&CrossfadeView::hide);
711 crossfades_visible = false;
715 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
717 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
718 if ((*i)->crossfade->involves (rv.audio_region())) {
725 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
727 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
728 if ((*i)->crossfade->involves (rv.audio_region()) && (*i)->visible()) {
735 AudioStreamView::color_handler (ColorID id, uint32_t val)
738 case cAudioTrackBase:
739 if (_trackview.is_track()) {
740 canvas_rect->property_fill_color_rgba() = val;
744 if (!_trackview.is_track()) {
745 canvas_rect->property_fill_color_rgba() = val;
748 case cAudioTrackOutline:
749 canvas_rect->property_outline_color_rgba() = val;