Paul Davis
17088ee3ea
git-svn-id: svn://localhost/ardour2/branches/3.0@6720 d708f5d6-7413-0410-9779-e7cbd77b26cf
713 lines
19 KiB
C++
713 lines
19 KiB
C++
/*
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Copyright (C) 2001-2007 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 "ardour/midi_diskstream.h"
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#include "ardour/midi_playlist.h"
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#include "ardour/midi_region.h"
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#include "ardour/midi_source.h"
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#include "ardour/midi_track.h"
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#include "ardour/region_factory.h"
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#include "ardour/smf_source.h"
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#include "ardour/session.h"
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#include "ardour_ui.h"
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#include "canvas-simplerect.h"
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#include "gui_thread.h"
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#include "lineset.h"
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#include "midi_region_view.h"
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#include "midi_streamview.h"
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#include "midi_time_axis.h"
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#include "midi_util.h"
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#include "public_editor.h"
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#include "region_selection.h"
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#include "region_view.h"
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#include "rgb_macros.h"
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#include "selection.h"
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#include "simplerect.h"
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#include "utils.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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MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
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: StreamView (tv)
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, note_range_adjustment(0.0f, 0.0f, 0.0f)
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, _range_dirty(false)
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, _range_sum_cache(-1.0)
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, _lowest_note(60)
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, _highest_note(71)
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, _data_note_min(60)
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, _data_note_max(71)
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{
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if (tv.is_track()) {
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stream_base_color = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
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} else {
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stream_base_color = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();
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}
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use_rec_regions = tv.editor().show_waveforms_recording ();
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/* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
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midi_underlay_group = new ArdourCanvas::Group (*canvas_group);
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midi_underlay_group->lower_to_bottom();
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/* put the note lines in the timeaxisview's group, so it
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can be put below ghost regions from MIDI underlays*/
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_note_lines = new ArdourCanvas::LineSet(*canvas_group, ArdourCanvas::LineSet::Horizontal);
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_note_lines->property_x1() = 0;
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_note_lines->property_y1() = 0;
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_note_lines->property_x2() = trackview().editor().frame_to_pixel (max_frames);
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_note_lines->property_y2() = 0;
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_note_lines->signal_event().connect(sigc::bind(
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sigc::mem_fun(_trackview.editor(), &PublicEditor::canvas_stream_view_event),
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_note_lines, &_trackview));
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_note_lines->lower_to_bottom();
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ColorsChanged.connect(sigc::mem_fun(*this, &MidiStreamView::draw_note_lines));
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note_range_adjustment.set_page_size(_highest_note - _lowest_note);
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note_range_adjustment.set_value(_lowest_note);
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note_range_adjustment.signal_value_changed().connect(
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sigc::mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
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}
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MidiStreamView::~MidiStreamView ()
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{
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}
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static void
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veto_note_range(uint8_t& min, uint8_t& max)
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{
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/* Legal notes, thanks */
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clamp_to_0_127(min);
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clamp_to_0_127(max);
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/* Always display at least one octave in [0, 127] */
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if (max == 127) {
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if (min > (127 - 11)) {
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min = 127 - 11;
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}
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} else if (max < min + 11) {
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uint8_t d = 11 - (max - min);
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if (max + d/2 > 127) {
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min -= d;
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} else {
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min -= d / 2;
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max += d / 2;
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}
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}
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assert(max - min >= 11);
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assert(max <= 127);
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assert(min <= 127);
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}
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RegionView*
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MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool /*wfd*/, bool)
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{
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boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
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if (region == 0) {
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return 0;
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}
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RegionView* region_view = new MidiRegionView (canvas_group, _trackview, region,
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_samples_per_unit, region_color);
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region_view->init (region_color, false);
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return region_view;
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}
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RegionView*
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MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd, bool recording)
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{
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boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
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if (region == 0) {
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return 0;
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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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if ((*i)->region() == r) {
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/* great. we already have a MidiRegionView for this Region. use it again. */
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(*i)->set_valid (true);
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display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
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return 0;
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}
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}
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MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wfd, 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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/* display events and find note range */
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display_region (region_view, wfd);
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/* catch regionview going away */
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region->DropReferences.connect (*this, boost::bind (&MidiStreamView::remove_region_view, this, region), 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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MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
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{
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if ( ! region_view)
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return;
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region_view->enable_display(true);
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boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
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if (load_model) {
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source->load_model();
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}
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_range_dirty = update_data_note_range(
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source->model()->lowest_note(),
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source->model()->highest_note());
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// Display region contents
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region_view->set_height(height);
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region_view->display_model(source->model());
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}
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void
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MidiStreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
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{
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StreamView::display_diskstream(ds);
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draw_note_lines();
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NoteRangeChanged();
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}
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void
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MidiStreamView::update_contents_metrics(boost::shared_ptr<Region> r)
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{
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boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(r);
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if (mr) {
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mr->midi_source(0)->load_model();
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_range_dirty = update_data_note_range(
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mr->model()->lowest_note(),
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mr->model()->highest_note());
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}
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}
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bool
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MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
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{
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bool dirty = false;
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if (min < _data_note_min) {
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_data_note_min = min;
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dirty = true;
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}
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if (max > _data_note_max) {
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_data_note_max = max;
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dirty = true;
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}
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return dirty;
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}
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void
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MidiStreamView::redisplay_diskstream ()
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{
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if (!_trackview.is_midi_track()) {
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return;
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}
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list<RegionView*>::iterator i;
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// Load models if necessary, and find note range of all our contents
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_range_dirty = false;
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_data_note_min = 127;
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_data_note_max = 0;
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_trackview.get_diskstream()->playlist()->foreach_region(
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sigc::mem_fun (*this, &StreamView::update_contents_metrics)
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);
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// No notes, use default range
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if (!_range_dirty) {
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_data_note_min = 60;
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_data_note_max = 71;
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}
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// Extend visible range to show newly recorded data, if necessary
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_lowest_note = std::min(_lowest_note, _data_note_min);
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_highest_note = std::max(_highest_note, _data_note_max);
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veto_note_range(_lowest_note, _highest_note);
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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 region views, and flag them as valid
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_trackview.get_diskstream()->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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// Stack regions by layer, and remove invalid regions
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layer_regions();
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// Update note range (not regions which are correct) and draw note lines
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apply_note_range(_lowest_note, _highest_note, false);
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}
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void
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MidiStreamView::update_contents_height ()
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{
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StreamView::update_contents_height();
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_note_lines->property_y2() = height;
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draw_note_lines();
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}
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void
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MidiStreamView::draw_note_lines()
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{
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double y;
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double prev_y = contents_height();
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uint32_t color;
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_note_lines->clear();
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for (int i = lowest_note(); i <= highest_note(); ++i) {
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y = floor(note_to_y(i));
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_note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
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switch (i % 12) {
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case 1:
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case 3:
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case 6:
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case 8:
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case 10:
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color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
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break;
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default:
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color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
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break;
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}
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if (i == highest_note()) {
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_note_lines->add_line(y, prev_y - y, color);
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} else {
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_note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
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}
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prev_y = y;
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}
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}
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void
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MidiStreamView::set_note_range(VisibleNoteRange r)
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{
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if (r == FullRange) {
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_lowest_note = 0;
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_highest_note = 127;
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} else {
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_lowest_note = _data_note_min;
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_highest_note = _data_note_max;
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}
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apply_note_range(_lowest_note, _highest_note, true);
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}
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void
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MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
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{
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_highest_note = highest;
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_lowest_note = lowest;
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note_range_adjustment.set_page_size(_highest_note - _lowest_note);
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note_range_adjustment.set_value(_lowest_note);
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draw_note_lines();
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if (to_region_views) {
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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((MidiRegionView*)(*i))->apply_note_range(lowest, highest);
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}
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}
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NoteRangeChanged();
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}
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void
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MidiStreamView::update_note_range(uint8_t note_num)
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{
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assert(note_num <= 127);
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_data_note_min = min(_data_note_min, note_num);
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_data_note_max = max(_data_note_max, note_num);
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}
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void
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MidiStreamView::setup_rec_box ()
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{
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// cerr << _trackview.name() << " streamview SRB\n";
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if (_trackview.session()->transport_rolling()) {
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if (!rec_active &&
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_trackview.session()->record_status() == Session::Recording &&
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_trackview.get_diskstream()->record_enabled()) {
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if (use_rec_regions && rec_regions.size() == rec_rects.size()) {
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/* add a new region, but don't bother if they set use_rec_regions mid-record */
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MidiRegion::SourceList sources;
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rec_data_ready_connections.drop_connections ();
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boost::shared_ptr<MidiDiskstream> mds = _trackview.midi_track()->midi_diskstream();
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sources.push_back(mds->write_source());
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mds->write_source()->ViewDataRangeReady.connect
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(rec_data_ready_connections,
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ui_bind (&MidiStreamView::rec_data_range_ready, this, _1, _2, boost::weak_ptr<Source>(mds->write_source())),
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gui_context());
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// handle multi
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nframes_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.get_diskstream()->get_captured_frames(rec_regions.size()-1);
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}
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PropertyList plist;
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plist.add (ARDOUR::Properties::start, start);
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plist.add (ARDOUR::Properties::length, 1);
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plist.add (ARDOUR::Properties::name, string());
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plist.add (ARDOUR::Properties::layer, 0);
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boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
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(RegionFactory::create (sources, plist, false)));
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assert(region);
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region->block_property_changes ();
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region->set_position (_trackview.session()->transport_frame(), this);
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rec_regions.push_back (make_pair(region, (RegionView*)0));
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// rec regions are destroyed in setup_rec_box
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/* we add the region later */
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}
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/* start a new rec box */
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boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
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boost::shared_ptr<MidiDiskstream> ds = mt->midi_diskstream();
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nframes_t frame_pos = ds->current_capture_start ();
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gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
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gdouble xend;
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uint32_t fill_color;
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assert(_trackview.midi_track()->mode() == Normal);
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xend = xstart;
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fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
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ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
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rec_rect->property_x1() = xstart;
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rec_rect->property_y1() = 1.0;
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rec_rect->property_x2() = xend;
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rec_rect->property_y2() = (double) _trackview.current_height() - 1;
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rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
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rec_rect->property_fill_color_rgba() = fill_color;
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rec_rect->lower_to_bottom();
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RecBoxInfo recbox;
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recbox.rectangle = rec_rect;
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recbox.start = _trackview.session()->transport_frame();
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recbox.length = 0;
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rec_rects.push_back (recbox);
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screen_update_connection.disconnect();
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screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
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sigc::mem_fun (*this, &MidiStreamView::update_rec_box));
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rec_updating = true;
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rec_active = true;
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} else if (rec_active &&
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(_trackview.session()->record_status() != Session::Recording ||
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!_trackview.get_diskstream()->record_enabled())) {
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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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MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
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{
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ENSURE_GUI_THREAD (*this, &MidiStreamView::update_rec_regions, data, start, dur)
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if (use_rec_regions) {
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uint32_t n = 0;
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bool update_range = false;
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for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
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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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if (!canvas_item_visible (rec_rects[n].rectangle)) {
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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<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(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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nframes_t origlen = region->length();
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if (region == rec_regions.back().first && rec_active) {
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if (start >= region->midi_source(0)->timeline_position()) {
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nframes_t nlen = start + dur - region->position();
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if (nlen != region->length()) {
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region->suspend_property_changes ();
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region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
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region->set_length (start + dur - region->position(), this);
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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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iter->second = add_region_view_internal (region, false);
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((MidiRegionView*)iter->second)->begin_write();
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}
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/* also update rect */
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ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
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gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
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rect->property_x2() = xend;
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ARDOUR::BeatsFramesConverter tconv(_trackview.session()->tempo_map(), region->position());
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const MidiModel::TimeType start_beats = tconv.from(start);
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/* draw events */
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MidiRegionView* mrv = (MidiRegionView*)iter->second;
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for (MidiModel::Notes::const_iterator i = data->note_lower_bound(start_beats);
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i != data->notes().end(); ++i) {
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const boost::shared_ptr<MidiRegionView::NoteType>& note = *i;
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nframes_t note_start_frames = tconv.to(note->time());
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nframes_t note_end_frames = tconv.to(note->end_time());
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if (note->length() > 0 && note_end_frames + region->position() > start)
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mrv->resolve_note(note->note(), note_end_frames);
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if (note_start_frames + region->position() < start) {
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continue;
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}
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if (note_start_frames + region->position() > start + dur) {
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break;
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}
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if (note->note() < _lowest_note) {
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_lowest_note = note->note();
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update_range = true;
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} else if (note->note() > _highest_note) {
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_highest_note = note->note();
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update_range = true;
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}
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mrv->add_note (note, !update_range);
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}
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mrv->extend_active_notes();
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}
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}
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} else {
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nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
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if (nlen != region->length()) {
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if (region->source_length(0) >= region->position() + nlen) {
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region->suspend_property_changes ();
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region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
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region->set_length (nlen, this);
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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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iter->second = add_region_view_internal (region, false);
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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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iter = tmp;
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}
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if (update_range)
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update_contents_height();
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}
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}
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void
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MidiStreamView::rec_data_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
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{
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// this is called from the butler thread for now
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ENSURE_GUI_THREAD (*this, &MidiStreamView::rec_data_range_ready, start, cnt, weak_src)
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boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
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if (!src) {
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return;
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}
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if (start + cnt > last_rec_data_frame) {
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last_rec_data_frame = start + cnt;
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}
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this->update_rec_regions (src->model(), start, cnt);
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}
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void
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MidiStreamView::color_handler ()
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{
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//case cMidiTrackBase:
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if (_trackview.is_midi_track()) {
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//canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
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}
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//case cMidiBusBase:
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if (!_trackview.is_midi_track()) {
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//canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
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}
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}
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void
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MidiStreamView::note_range_adjustment_changed()
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{
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double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
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int lowest = (int) floor(note_range_adjustment.get_value());
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int highest;
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if (sum == _range_sum_cache) {
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//cerr << "cached" << endl;
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highest = (int) floor(sum);
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} else {
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//cerr << "recalc" << endl;
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highest = lowest + (int) floor(note_range_adjustment.get_page_size());
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_range_sum_cache = sum;
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}
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if (lowest == _lowest_note && highest == _highest_note) {
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return;
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}
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//cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
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//cerr << " val=" << v_zoom_adjustment.get_value() << " page=" << v_zoom_adjustment.get_page_size() << " sum=" << v_zoom_adjustment.get_value() + v_zoom_adjustment.get_page_size() << endl;
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_lowest_note = lowest;
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_highest_note = highest;
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apply_note_range(lowest, highest, true);
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}
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