484 lines
13 KiB
C++
484 lines
13 KiB
C++
/*
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Copyright (C) 2001, 2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <cassert>
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#include <utility>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include "pbd/stacktrace.h"
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#include "ardour/audioregion.h"
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#include "ardour/audiofilesource.h"
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#include "ardour/audio_track.h"
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#include "ardour/record_enable_control.h"
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#include "ardour/region_factory.h"
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#include "ardour/profile.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/session.h"
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#include "canvas/rectangle.h"
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#include "audio_streamview.h"
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#include "audio_region_view.h"
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#include "tape_region_view.h"
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#include "audio_time_axis.h"
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#include "region_selection.h"
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#include "region_gain_line.h"
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#include "selection.h"
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#include "public_editor.h"
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#include "rgb_macros.h"
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#include "gui_thread.h"
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#include "ui_config.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Editing;
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AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
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: StreamView (tv)
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{
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color_handler ();
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_amplitude_above_axis = 1.0;
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}
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int
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AudioStreamView::set_amplitude_above_axis (gdouble app)
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{
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RegionViewList::iterator i;
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if (app < 1.0) {
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return -1;
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}
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_amplitude_above_axis = app;
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for (i = region_views.begin(); i != region_views.end(); ++i) {
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AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
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if (arv)
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arv->set_amplitude_above_axis (app);
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}
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return 0;
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}
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RegionView*
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AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
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{
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AudioRegionView *region_view = 0;
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boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
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if (region == 0) {
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return 0;
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}
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switch (_trackview.audio_track()->mode()) {
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case NonLayered:
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case Normal:
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if (recording) {
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region_view = new AudioRegionView (_canvas_group, _trackview, region,
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_samples_per_pixel, region_color, recording, TimeAxisViewItem::Visibility(
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TimeAxisViewItem::ShowFrame |
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TimeAxisViewItem::HideFrameRight |
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TimeAxisViewItem::HideFrameLeft |
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TimeAxisViewItem::HideFrameTB));
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} else {
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region_view = new AudioRegionView (_canvas_group, _trackview, region,
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_samples_per_pixel, region_color);
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}
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break;
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case Destructive:
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region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
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_samples_per_pixel, region_color);
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break;
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default:
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fatal << string_compose (_("programming error: %1"), "illegal track mode in ::create_region_view()") << endmsg;
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abort(); /*NOTREACHED*/
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}
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region_view->init (wait_for_waves);
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region_view->set_amplitude_above_axis(_amplitude_above_axis);
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region_view->set_height (child_height ());
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/* if its the special single-sample length that we use for rec-regions, make it
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insensitive to events
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*/
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if (region->length() == 1) {
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region_view->set_sensitive (false);
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}
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return region_view;
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}
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RegionView*
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AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
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{
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RegionView *region_view = create_region_view (r, wait_for_waves, recording);
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if (region_view == 0) {
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return 0;
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}
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region_views.push_front (region_view);
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/* catch region going away */
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r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
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RegionViewAdded (region_view);
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return region_view;
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}
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void
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AudioStreamView::redisplay_track ()
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{
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list<RegionView *>::iterator i;
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// Flag region views as invalid and disable drawing
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for (i = region_views.begin(); i != region_views.end(); ++i) {
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(*i)->set_valid (false);
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(*i)->enable_display (false);
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}
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// Add and display views, and flag them as valid
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if (_trackview.is_audio_track()) {
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_trackview.track()->playlist()->foreach_region(
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sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
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);
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}
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// Stack regions by layer, and remove invalid regions
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layer_regions();
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}
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void
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AudioStreamView::setup_rec_box ()
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{
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//cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
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if (_trackview.session()->transport_rolling()) {
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// cerr << "\trolling\n";
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if (!rec_active &&
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_trackview.session()->record_status() == Session::Recording &&
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_trackview.track()->rec_enable_control()->get_value()) {
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if (_trackview.audio_track()->mode() == Normal && UIConfiguration::instance().get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
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/* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
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SourceList sources;
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rec_data_ready_connections.drop_connections ();
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boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
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for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
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boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
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if (src) {
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sources.push_back (src);
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src->PeakRangeReady.connect (rec_data_ready_connections,
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invalidator (*this),
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boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
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gui_context());
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}
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}
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// handle multi
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framepos_t start = 0;
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if (rec_regions.size() > 0) {
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start = rec_regions.back().first->start()
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+ _trackview.track()->get_captured_frames(rec_regions.size()-1);
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}
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PropertyList plist;
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plist.add (Properties::start, start);
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plist.add (Properties::length, 1);
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plist.add (Properties::name, string());
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plist.add (Properties::layer, 0);
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boost::shared_ptr<AudioRegion> region (
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boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
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assert(region);
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region->set_position (_trackview.session()->transport_frame());
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rec_regions.push_back (make_pair(region, (RegionView*) 0));
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}
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/* start a new rec box */
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boost::shared_ptr<AudioTrack> at = _trackview.audio_track();
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framepos_t const frame_pos = at->current_capture_start ();
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double const width = ((at->mode() == Destructive) ? 2 : 0);
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create_rec_box(frame_pos, width);
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} else if (rec_active &&
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(_trackview.session()->record_status() != Session::Recording ||
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!_trackview.track()->rec_enable_control()->get_value())) {
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screen_update_connection.disconnect();
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rec_active = false;
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rec_updating = false;
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}
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} else {
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// cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
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if (!rec_rects.empty() || !rec_regions.empty()) {
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/* disconnect rapid update */
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screen_update_connection.disconnect();
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rec_data_ready_connections.drop_connections ();
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rec_updating = false;
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rec_active = false;
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/* remove temp regions */
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for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
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list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
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tmp = iter;
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++tmp;
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(*iter).first->drop_references ();
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iter = tmp;
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}
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rec_regions.clear();
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// cerr << "\tclear " << rec_rects.size() << " rec rects\n";
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/* transport stopped, clear boxes */
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for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
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RecBoxInfo &rect = (*iter);
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delete rect.rectangle;
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}
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rec_rects.clear();
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}
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}
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}
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void
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AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
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{
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ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
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boost::shared_ptr<Source> src (weak_src.lock());
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if (!src) {
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return;
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}
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// this is called from the peak building thread
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if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
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last_rec_data_frame = start + cnt;
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}
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rec_data_ready_map[src] = true;
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if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
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update_rec_regions (start, cnt);
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rec_data_ready_map.clear();
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}
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}
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void
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AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
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{
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if (!UIConfiguration::instance().get_show_waveforms_while_recording ()) {
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return;
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}
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uint32_t n = 0;
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for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
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list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
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++tmp;
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assert (n < rec_rects.size());
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if (!rec_rects[n].rectangle->visible()) {
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/* rect already hidden, this region is done */
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iter = tmp;
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continue;
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}
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boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
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if (!region) {
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iter = tmp;
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continue;
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}
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framecnt_t origlen = region->length();
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if (region == rec_regions.back().first && rec_active) {
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if (last_rec_data_frame > region->start()) {
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framecnt_t nlen = last_rec_data_frame - region->start();
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if (nlen != region->length()) {
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region->suspend_property_changes ();
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/* set non-musical position / length */
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region->set_position (_trackview.track()->get_capture_start_frame(n));
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region->set_length (nlen, 0);
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region->resume_property_changes ();
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if (origlen == 1) {
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/* our special initial length */
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add_region_view_internal (region, false, true);
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setup_new_rec_layer_time (region);
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}
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check_record_layers (region, (region->position() - region->start() + start + cnt));
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/* also update rect */
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ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
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gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
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rect->set_x1 (xend);
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}
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} else {
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framecnt_t nlen = _trackview.track()->get_captured_frames(n);
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if (nlen != region->length()) {
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if (region->source_length(0) >= region->start() + nlen) {
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region->suspend_property_changes ();
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region->set_position (_trackview.track()->get_capture_start_frame(n));
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region->set_length (nlen, 0);
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region->resume_property_changes ();
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if (origlen == 1) {
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/* our special initial length */
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add_region_view_internal (region, false, true);
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}
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/* also hide rect */
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ArdourCanvas::Item * rect = rec_rects[n].rectangle;
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rect->hide();
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}
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}
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}
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}
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iter = tmp;
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}
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}
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void
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AudioStreamView::show_all_fades ()
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{
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
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if (arv) {
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arv->set_fade_visibility (true);
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}
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}
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}
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void
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AudioStreamView::hide_all_fades ()
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{
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
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if (arv) {
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arv->set_fade_visibility (false);
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}
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}
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}
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/** Hide xfades for regions that overlap ar.
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* @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
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* second is the AudioRegionViews that end xfades were hidden for.
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*/
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pair<list<AudioRegionView*>, list<AudioRegionView*> >
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AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
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{
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list<AudioRegionView*> start_hidden;
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list<AudioRegionView*> end_hidden;
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
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if (arv) {
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switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
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case Evoral::OverlapNone:
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break;
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default:
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if (arv->start_xfade_visible ()) {
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start_hidden.push_back (arv);
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}
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if (arv->end_xfade_visible ()) {
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end_hidden.push_back (arv);
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}
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arv->hide_xfades ();
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break;
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}
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}
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}
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return make_pair (start_hidden, end_hidden);
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}
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void
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AudioStreamView::color_handler ()
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{
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//case cAudioTrackBase:
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if (_trackview.is_track()) {
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canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio track base", "audio track base"));
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}
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//case cAudioBusBase:
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if (!_trackview.is_track()) {
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canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio bus base", "audio bus base"));
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}
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}
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void
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AudioStreamView::set_selected_points (PointSelection& points)
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{
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for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
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if (arv && arv->get_gain_line ()) {
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arv->get_gain_line ()->set_selected_points (points);
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}
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}
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}
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