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 "pbd/stacktrace.h"
29 #include "ardour/audioregion.h"
30 #include "ardour/audiofilesource.h"
31 #include "ardour/audio_track.h"
32 #include "ardour/record_enable_control.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 "canvas/rectangle.h"
40 #include "audio_streamview.h"
41 #include "audio_region_view.h"
42 #include "tape_region_view.h"
43 #include "audio_time_axis.h"
44 #include "region_selection.h"
45 #include "region_gain_line.h"
46 #include "selection.h"
47 #include "public_editor.h"
48 #include "rgb_macros.h"
49 #include "gui_thread.h"
50 #include "ui_config.h"
55 using namespace ARDOUR;
57 using namespace Editing;
59 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
63 _amplitude_above_axis = 1.0;
67 AudioStreamView::set_amplitude_above_axis (gdouble app)
69 RegionViewList::iterator i;
75 _amplitude_above_axis = app;
77 for (i = region_views.begin(); i != region_views.end(); ++i) {
78 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
80 arv->set_amplitude_above_axis (app);
87 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
89 AudioRegionView *region_view = 0;
90 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
96 switch (_trackview.audio_track()->mode()) {
101 region_view = new AudioRegionView (_canvas_group, _trackview, region,
102 _samples_per_pixel, region_color, recording, TimeAxisViewItem::Visibility(
103 TimeAxisViewItem::ShowFrame |
104 TimeAxisViewItem::HideFrameRight |
105 TimeAxisViewItem::HideFrameLeft |
106 TimeAxisViewItem::HideFrameTB));
108 region_view = new AudioRegionView (_canvas_group, _trackview, region,
109 _samples_per_pixel, region_color);
113 region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
114 _samples_per_pixel, region_color);
117 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::create_region_view()") << endmsg;
118 abort(); /*NOTREACHED*/
122 region_view->init (wait_for_waves);
123 region_view->set_amplitude_above_axis(_amplitude_above_axis);
124 region_view->set_height (child_height ());
126 /* if its the special single-sample length that we use for rec-regions, make it
127 insensitive to events
130 if (region->length() == 1) {
131 region_view->set_sensitive (false);
138 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
140 RegionView *region_view = create_region_view (r, wait_for_waves, recording);
142 if (region_view == 0) {
146 region_views.push_front (region_view);
148 /* catch region going away */
150 r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
152 RegionViewAdded (region_view);
158 AudioStreamView::redisplay_track ()
160 list<RegionView *>::iterator i;
162 // Flag region views as invalid and disable drawing
163 for (i = region_views.begin(); i != region_views.end(); ++i) {
164 (*i)->set_valid (false);
165 (*i)->enable_display (false);
168 // Add and display views, and flag them as valid
169 if (_trackview.is_audio_track()) {
170 _trackview.track()->playlist()->foreach_region(
171 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
175 // Stack regions by layer, and remove invalid regions
180 AudioStreamView::setup_rec_box ()
182 //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
184 if (!_trackview.session()->transport_stopped()) {
186 // cerr << "\trolling\n";
189 _trackview.session()->record_status() == Session::Recording &&
190 _trackview.track()->rec_enable_control()->get_value()) {
191 if (_trackview.audio_track()->mode() == Normal && UIConfiguration::instance().get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
193 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
197 rec_data_ready_connections.drop_connections ();
198 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
200 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
201 boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
203 sources.push_back (src);
204 src->PeakRangeReady.connect (rec_data_ready_connections,
206 boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
213 samplepos_t start = 0;
214 if (rec_regions.size() > 0) {
215 start = rec_regions.back().first->start()
216 + _trackview.track()->get_captured_samples(rec_regions.size()-1);
221 plist.add (Properties::start, start);
222 plist.add (Properties::length, 1);
223 plist.add (Properties::name, string());
224 plist.add (Properties::layer, 0);
226 boost::shared_ptr<AudioRegion> region (
227 boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
230 region->set_position (_trackview.session()->transport_sample());
231 rec_regions.push_back (make_pair(region, (RegionView*) 0));
234 /* start a new rec box */
236 boost::shared_ptr<AudioTrack> at = _trackview.audio_track();
237 samplepos_t const sample_pos = at->current_capture_start ();
238 double const width = ((at->mode() == Destructive) ? 2 : 0);
240 create_rec_box(sample_pos, width);
242 } else if (rec_active &&
243 (_trackview.session()->record_status() != Session::Recording ||
244 !_trackview.track()->rec_enable_control()->get_value())) {
245 screen_update_connection.disconnect();
247 rec_updating = false;
252 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
254 if (!rec_rects.empty() || !rec_regions.empty()) {
256 /* disconnect rapid update */
257 screen_update_connection.disconnect();
258 rec_data_ready_connections.drop_connections ();
259 rec_updating = false;
262 /* remove temp regions */
264 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
265 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
270 (*iter).first->drop_references ();
277 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
279 /* transport stopped, clear boxes */
280 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
281 RecBoxInfo &rect = (*iter);
282 delete rect.rectangle;
292 AudioStreamView::rec_peak_range_ready (samplepos_t start, samplecnt_t cnt, boost::weak_ptr<Source> weak_src)
294 ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
296 boost::shared_ptr<Source> src (weak_src.lock());
302 // this is called from the peak building thread
304 if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_sample) {
305 last_rec_data_sample = start + cnt;
308 rec_data_ready_map[src] = true;
310 if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
311 update_rec_regions (start, cnt);
312 rec_data_ready_map.clear();
317 AudioStreamView::update_rec_regions (samplepos_t start, samplecnt_t cnt)
319 if (!UIConfiguration::instance().get_show_waveforms_while_recording ()) {
325 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
327 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
330 assert (n < rec_rects.size());
332 if (!rec_rects[n].rectangle->visible()) {
333 /* rect already hidden, this region is done */
338 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
345 samplecnt_t origlen = region->length();
347 if (region == rec_regions.back().first && rec_active) {
349 if (last_rec_data_sample > region->start()) {
351 samplecnt_t nlen = last_rec_data_sample - region->start();
353 if (nlen != region->length()) {
355 region->suspend_property_changes ();
356 /* set non-musical position / length */
357 region->set_position (_trackview.track()->get_capture_start_sample(n));
358 region->set_length (nlen, 0);
359 region->resume_property_changes ();
362 /* our special initial length */
363 add_region_view_internal (region, false, true);
364 setup_new_rec_layer_time (region);
367 check_record_layers (region, (region->position() - region->start() + start + cnt));
369 /* also update rect */
370 ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
371 gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
377 samplecnt_t nlen = _trackview.track()->get_captured_samples(n);
379 if (nlen != region->length()) {
381 if (region->source_length(0) >= region->start() + nlen) {
383 region->suspend_property_changes ();
384 region->set_position (_trackview.track()->get_capture_start_sample(n));
385 region->set_length (nlen, 0);
386 region->resume_property_changes ();
389 /* our special initial length */
390 add_region_view_internal (region, false, true);
394 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
407 AudioStreamView::show_all_fades ()
409 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
410 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
412 arv->set_fade_visibility (true);
418 AudioStreamView::hide_all_fades ()
420 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
421 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
423 arv->set_fade_visibility (false);
428 /** Hide xfades for regions that overlap ar.
429 * @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
430 * second is the AudioRegionViews that end xfades were hidden for.
432 pair<list<AudioRegionView*>, list<AudioRegionView*> >
433 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
435 list<AudioRegionView*> start_hidden;
436 list<AudioRegionView*> end_hidden;
438 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
439 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
441 switch (arv->region()->coverage (ar->position(), ar->last_sample())) {
442 case Evoral::OverlapNone:
445 if (arv->start_xfade_visible ()) {
446 start_hidden.push_back (arv);
448 if (arv->end_xfade_visible ()) {
449 end_hidden.push_back (arv);
457 return make_pair (start_hidden, end_hidden);
461 AudioStreamView::color_handler ()
463 //case cAudioTrackBase:
464 if (_trackview.is_track()) {
465 canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio track base", "audio track base"));
468 //case cAudioBusBase:
469 if (!_trackview.is_track()) {
470 canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio bus base", "audio bus base"));
475 AudioStreamView::set_selected_points (PointSelection& points)
477 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
478 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
479 if (arv && arv->get_gain_line ()) {
480 arv->get_gain_line ()->set_selected_points (points);