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livetrax/gtk2_ardour/audio_region_view.cc

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/*
* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2014-2015 Ben Loftis <ben@harrisonconsoles.com>
* Copyright (C) 2014-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cmath>
#include <cassert>
#include <algorithm>
#include <vector>
#include <boost/scoped_array.hpp>
#include <gtkmm.h>
#include "ardour/playlist.h"
#include "ardour/audioregion.h"
#include "ardour/audiosource.h"
#include "ardour/profile.h"
#include "ardour/region_fx_plugin.h"
#include "ardour/session.h"
#include "pbd/memento_command.h"
#include "evoral/Curve.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/colors.h"
#include "canvas/rectangle.h"
#include "canvas/polygon.h"
#include "canvas/poly_line.h"
#include "canvas/line.h"
#include "canvas/text.h"
#include "canvas/xfade_curve.h"
#include "canvas/debug.h"
#include "waveview/debug.h"
#include "streamview.h"
#include "audio_region_view.h"
#include "audio_time_axis.h"
#include "enums_convert.h"
#include "public_editor.h"
#include "audio_region_editor.h"
#include "audio_streamview.h"
#include "mergeable_line.h"
#include "region_gain_line.h"
#include "control_point.h"
#include "ghostregion.h"
#include "audio_time_axis.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
static double const handle_size = 10; /* height of fade handles */
Cairo::RefPtr<Cairo::Pattern> AudioRegionView::pending_peak_pattern;
static Cairo::RefPtr<Cairo::Pattern> create_pending_peak_pattern() {
cairo_surface_t * is = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 8, 8);
// create checker pattern
unsigned char *img = cairo_image_surface_get_data (is);
cairo_surface_flush (is);
const int stride = cairo_image_surface_get_stride (is);
for (int y = 0; y < 8; ++y) {
for (int x = 0; x < 8; ++x) {
const int off = (y * stride + x * 4);
uint32_t *pixel = (uint32_t*) &img[off];
if ((x < 4) ^ (y < 4)) {
*pixel = 0xa0000000;
} else {
*pixel = 0x40000000;
}
}
}
cairo_surface_mark_dirty (is);
cairo_pattern_t* pat = cairo_pattern_create_for_surface (is);
cairo_pattern_set_extend (pat, CAIRO_EXTEND_REPEAT);
Cairo::RefPtr<Cairo::Pattern> p (new Cairo::Pattern (pat, false));
cairo_surface_destroy (is);
return p;
}
AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, std::shared_ptr<AudioRegion> r, double spu, uint32_t basic_color)
: RegionView (parent, tv, r, spu, basic_color)
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, pending_peak_data(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis(1.0)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
, _rfx_id (0)
, _rdx_param (UINT32_MAX)
, _ignore_line_change (false)
{
}
AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, std::shared_ptr<AudioRegion> r, double spu,
uint32_t basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
: RegionView (parent, tv, r, spu, basic_color, recording, visibility)
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, pending_peak_data(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis(1.0)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
, _rfx_id (0)
, _rdx_param (UINT32_MAX)
, _ignore_line_change (false)
{
}
AudioRegionView::AudioRegionView (const AudioRegionView& other, std::shared_ptr<AudioRegion> other_region)
: RegionView (other, std::shared_ptr<Region> (other_region))
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, pending_peak_data(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis (other._amplitude_above_axis)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
, _rfx_id (0)
, _rdx_param (UINT32_MAX)
, _ignore_line_change (false)
{
init (true);
}
void
AudioRegionView::init (bool wfd)
{
// FIXME: Some redundancy here with RegionView::init. Need to figure out
// where order is important and where it isn't...
if (!pending_peak_pattern) {
pending_peak_pattern = create_pending_peak_pattern();
}
// needs to be created first, RegionView::init() calls set_height()
pending_peak_data = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (pending_peak_data, string_compose ("pending peak rectangle for %1", region()->name()));
pending_peak_data->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 0.0));
pending_peak_data->set_pattern (pending_peak_pattern);
pending_peak_data->set_data ("regionview", this);
pending_peak_data->hide ();
RegionView::init (wfd);
_amplitude_above_axis = 1.0;
create_waves ();
if (!_recregion && !Profile->get_livetrax()) {
fade_in_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in handle for %1", region()->name()));
fade_in_handle->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_in_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_in_handle->set_data ("regionview", this);
fade_in_handle->hide ();
fade_out_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out handle for %1", region()->name()));
fade_out_handle->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_out_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_out_handle->set_data ("regionview", this);
fade_out_handle->hide ();
fade_in_trim_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in trim handle for %1", region()->name()));
fade_in_trim_handle->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_in_trim_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_in_trim_handle->set_data ("regionview", this);
fade_in_trim_handle->hide ();
fade_out_trim_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out trim handle for %1", region()->name()));
fade_out_trim_handle->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_out_trim_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_out_trim_handle->set_data ("regionview", this);
fade_out_trim_handle->hide ();
}
setup_fade_handle_positions ();
if (!trackview.session()->config.get_show_region_fades()) {
set_fade_visibility (false);
}
set_region_gain_line ();
/* streamview will call set_height() */
//set_height (trackview.current_height()); // XXX not correct for Layered mode, but set_height() will fix later.
region_muted ();
region_sync_changed ();
region_resized (ARDOUR::bounds_change);
/* region_resized sets ghost region duration */
/* region_locked is a synonym for region_renamed () which is called in region_muted() above */
//region_locked ();
envelope_active_changed ();
fade_in_active_changed ();
fade_out_active_changed ();
reset_width_dependent_items (_pixel_width);
if (fade_in_handle) {
fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this, false));
}
if (fade_out_handle) {
fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this, false));
}
if (fade_in_trim_handle) {
fade_in_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_trim_handle, this, true));
}
if (fade_out_trim_handle) {
fade_out_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_trim_handle, this, true));
}
set_colors ();
setup_waveform_visibility ();
if (gain_line) {
get_canvas_frame()->set_data ("linemerger", (LineMerger*) this);
_fx_line->canvas_group().raise_to_top ();
}
/* XXX sync mark drag? */
}
AudioRegionView::~AudioRegionView ()
{
in_destructor = true;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
_data_ready_connections.clear ();
for (list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
delete ((*i).second);
}
/* all waveviews etc will be destroyed when the group is destroyed */
}
std::shared_ptr<ARDOUR::AudioRegion>
AudioRegionView::audio_region() const
{
// "Guaranteed" to succeed...
return std::dynamic_pointer_cast<AudioRegion>(_region);
}
void
AudioRegionView::region_changed (const PropertyChange& what_changed)
{
ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
RegionView::region_changed (what_changed);
if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
region_scale_amplitude_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_in)) {
fade_in_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_out)) {
fade_out_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
fade_in_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
fade_out_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
envelope_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
transients_changed ();
}
}
void
AudioRegionView::fade_in_changed ()
{
reset_fade_in_shape ();
}
void
AudioRegionView::fade_out_changed ()
{
reset_fade_out_shape ();
}
void
AudioRegionView::fade_in_active_changed ()
{
if (start_xfade_rect) {
if (audio_region()->fade_in_active()) {
start_xfade_rect->set_fill (false);
} else {
start_xfade_rect->set_fill_color (UIConfiguration::instance().color_mod ("inactive crossfade", "inactive crossfade"));
start_xfade_rect->set_fill (true);
}
}
}
void
AudioRegionView::fade_out_active_changed ()
{
if (end_xfade_rect) {
if (audio_region()->fade_out_active()) {
end_xfade_rect->set_fill (false);
} else {
end_xfade_rect->set_fill_color (UIConfiguration::instance().color_mod ("inactive crossfade", "inactive crossfade"));
end_xfade_rect->set_fill (true);
}
}
}
uint32_t
AudioRegionView::get_fill_color () const
{
Gtkmm2ext::Color c;
const bool opaque = _region->opaque() || trackview.layer_display () == Stacked;
if (_selected) {
c = UIConfiguration::instance().color ("selected region base");
} else if (_recregion) {
return UIConfiguration::instance().color ("recording rect");
} else if (!UIConfiguration::instance().get_color_regions_using_track_color()) {
c = UIConfiguration::instance().color (fill_color_name);
} else {
c = fill_color;
}
if (opaque && ( !_dragging && !_region->muted () )) {
return c;
} else if (_dragging) {
return UIConfiguration::instance().color_mod (c, "dragging region");
} else {
return Gtkmm2ext::HSV(c).mod (UIConfiguration::instance().modifier ("transparent region base")).color ();
}
}
void
AudioRegionView::region_scale_amplitude_changed ()
{
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->gain_changed ();
}
region_renamed ();
}
void
AudioRegionView::region_renamed ()
{
std::string str = RegionView::make_name ();
if (audio_region()->speed_mismatch (trackview.session()->sample_rate())) {
str = string ("*") + str;
}
std::shared_ptr<AudioRegion> ar (audio_region());
const gain_t scale_amplitude = ar->scale_amplitude();
if (scale_amplitude != 1.0) {
char tmp[32];
snprintf (tmp, 32, " (%.1fdB%s)", accurate_coefficient_to_dB (fabsf (scale_amplitude)), scale_amplitude < 0 ? " Ø" : "");
str += tmp;
}
set_item_name (str, this);
set_name_text (str);
}
void
AudioRegionView::region_resized (const PropertyChange& what_changed)
{
AudioGhostRegion* agr;
RegionView::region_resized(what_changed);
PropertyChange interesting_stuff;
interesting_stuff.add (ARDOUR::Properties::start);
interesting_stuff.add (ARDOUR::Properties::length);
if (what_changed.contains (interesting_stuff)) {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->region_resized ();
}
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
for (vector<ArdourWaveView::WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
(*w)->region_resized ();
}
}
}
/* hide transient lines that extend beyond the region */
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
samplepos_t first = _region->first_sample();
samplepos_t last = _region->last_sample();
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
if (l->first < first || l->first >= last) {
l->second->hide();
} else {
l->second->show();
}
}
}
}
void
AudioRegionView::reset_width_dependent_items (double pixel_width)
{
if (pixel_width == _width) {
return;
}
RegionView::reset_width_dependent_items(pixel_width);
assert(_pixel_width == pixel_width);
pending_peak_data->set_x1(pixel_width);
if (pixel_width <= 20.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
reset_fade_shapes ();
/* Update feature lines */
AnalysisFeatureList analysis_features;
_region->transients (analysis_features);
if (feature_lines.size () != analysis_features.size ()) {
cerr << "postponed freature line update.\n"; // XXX
// AudioRegionView::transients_changed () will pick up on this
return;
}
samplepos_t position = _region->position_sample();
AnalysisFeatureList::const_iterator i;
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
double y1;
if (_height >= NAME_HIGHLIGHT_THRESH) {
y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
} else {
y1 = _height - 1;
}
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
float x_pos = trackview.editor().sample_to_pixel ((*i) - position);
(*l).first = *i;
(*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
ArdourCanvas::Duple (x_pos, y1));
}
}
void
AudioRegionView::region_muted ()
{
RegionView::region_muted();
set_waveform_colors ();
}
void
AudioRegionView::setup_fade_handle_positions()
{
/* position of fade handle offset from the top of the region view */
double const handle_pos = 0.0;
if (fade_in_handle) {
fade_in_handle->set_y0 (handle_pos);
fade_in_handle->set_y1 (handle_pos + handle_size);
}
if (fade_out_handle) {
fade_out_handle->set_y0 (handle_pos);
fade_out_handle->set_y1 (handle_pos + handle_size);
}
if (fade_in_trim_handle) {
fade_in_trim_handle->set_y0 (_height - handle_size);
fade_in_trim_handle->set_y1 (_height);
}
if (fade_out_trim_handle) {
fade_out_trim_handle->set_y0 (_height - handle_size );
fade_out_trim_handle->set_y1 (_height);
}
}
void
AudioRegionView::set_height (gdouble height)
{
uint32_t gap = UIConfiguration::instance().get_vertical_region_gap ();
float ui_scale = UIConfiguration::instance().get_ui_scale ();
if (gap > 0 && ui_scale > 0) {
gap = ceil (gap * ui_scale);
}
height = std::max (3.0, height - gap);
if (height == _height) {
return;
}
RegionView::set_height (height);
pending_peak_data->set_y1 (height);
RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
uint32_t nchans = atv.track()->n_channels().n_audio();
if (!tmp_waves.empty () || !waves.empty ()) {
gdouble ht;
if (!UIConfiguration::instance().get_show_name_highlight() || (height < NAME_HIGHLIGHT_THRESH)) {
ht = height / (double) nchans;
} else {
ht = (height - NAME_HIGHLIGHT_SIZE) / (double) nchans;
}
uint32_t wcnt = waves.size();
for (uint32_t n = 0; n < wcnt; ++n) {
gdouble yoff = floor (ht * n);
waves[n]->set_height (ht);
waves[n]->set_y_position (yoff);
}
wcnt = tmp_waves.size();
for (uint32_t n = 0; n < wcnt; ++n) {
if (!tmp_waves[n]) {
continue;
}
gdouble yoff = floor (ht * n);
tmp_waves[n]->set_height (ht);
tmp_waves[n]->set_y_position (yoff);
}
}
if (_fx_line) {
if ((height / nchans) < NAME_HIGHLIGHT_THRESH) {
_fx_line->hide ();
} else {
update_envelope_visibility ();
}
_fx_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
}
reset_fade_shapes ();
/* Update heights for any feature lines */
samplepos_t position = _region->position_sample();
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
double y1;
if (_height >= NAME_HIGHLIGHT_THRESH) {
y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
} else {
y1 = _height - 1;
}
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
float pos_x = trackview.editor().sample_to_pixel((*l).first - position);
(*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
ArdourCanvas::Duple (pos_x, y1));
}
if (name_text) {
name_text->raise_to_top();
}
setup_fade_handle_positions();
}
void
AudioRegionView::reset_fade_shapes ()
{
if (!trim_fade_in_drag_active) { reset_fade_in_shape (); }
if (!trim_fade_out_drag_active) { reset_fade_out_shape (); }
}
void
AudioRegionView::reset_fade_in_shape ()
{
reset_fade_in_shape_width (audio_region(), audio_region()->fade_in()->back()->when.samples());
}
void
AudioRegionView::reset_fade_in_shape_width (std::shared_ptr<AudioRegion> ar, samplecnt_t width, bool drag_active)
{
trim_fade_in_drag_active = drag_active;
if (fade_in_handle == 0) {
return;
}
/* smallest size for a fade is 64 samples */
width = std::max ((samplecnt_t) 64, width);
/* round here to prevent little visual glitches with sub-pixel placement */
double const pwidth = (double) width / samples_per_pixel;
double const handle_left = pwidth;
/* Put the fade in handle so that its left side is at the end-of-fade line */
fade_in_handle->set_x0 (handle_left);
fade_in_handle->set_x1 (handle_left + handle_size);
if (fade_in_trim_handle) {
fade_in_trim_handle->set_x0 (0);
fade_in_trim_handle->set_x1 (handle_size);
}
if (fade_in_handle->visible()) {
//see comment for drag_start
entered();
}
if (pwidth < 5.f) {
hide_start_xfade();
return;
}
if (!trackview.session()->config.get_show_region_fades()) {
hide_start_xfade ();
return;
}
double effective_height;
if (_height >= NAME_HIGHLIGHT_THRESH) {
effective_height = _height - NAME_HIGHLIGHT_SIZE;
} else {
effective_height = _height;
}
/* points *MUST* be in anti-clockwise order */
Points points;
Points::size_type pi;
std::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_in());
Evoral::ControlList::const_iterator x;
samplecnt_t length = list->length().samples();
points.assign (list->size(), Duple());
for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
const double p = (*x)->when.samples();
points[pi].x = (p * pwidth) / length;
points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
}
/* draw the line */
redraw_start_xfade_to (ar, width, points, effective_height, handle_left);
/* ensure trim handle stays on top */
if (frame_handle_start) {
frame_handle_start->raise_to_top();
}
}
void
AudioRegionView::reset_fade_out_shape ()
{
reset_fade_out_shape_width (audio_region(), audio_region()->fade_out()->back()->when.samples());
}
void
AudioRegionView::reset_fade_out_shape_width (std::shared_ptr<AudioRegion> ar, samplecnt_t width, bool drag_active)
{
trim_fade_out_drag_active = drag_active;
if (fade_out_handle == 0) {
return;
}
/* smallest size for a fade is 64 samples */
width = std::max ((samplecnt_t) 64, width);
double const pwidth = floor(trackview.editor().sample_to_pixel (width));
/* the right edge should be right on the region frame is the pixel
* width is zero. Hence the additional + 1.0 at the end.
*/
double const handle_right = rint(trackview.editor().sample_to_pixel (_region->length_samples()) - pwidth);
double const trim_handle_right = rint(trackview.editor().sample_to_pixel (_region->length_samples()));
/* Put the fade out handle so that its right side is at the end-of-fade line;
*/
fade_out_handle->set_x0 (handle_right - handle_size);
fade_out_handle->set_x1 (handle_right);
if (fade_out_trim_handle) {
fade_out_trim_handle->set_x0 (1 + trim_handle_right - handle_size);
fade_out_trim_handle->set_x1 (1 + trim_handle_right);
}
if (fade_out_handle->visible()) {
//see comment for drag_start
entered();
}
/* don't show shape if its too small */
if (pwidth < 5) {
hide_end_xfade();
return;
}
if (!trackview.session()->config.get_show_region_fades()) {
hide_end_xfade();
return;
}
double effective_height;
effective_height = _height;
if (UIConfiguration::instance().get_show_name_highlight() && effective_height >= NAME_HIGHLIGHT_THRESH) {
effective_height -= NAME_HIGHLIGHT_SIZE;
}
/* points *MUST* be in anti-clockwise order */
Points points;
Points::size_type pi;
std::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_out());
Evoral::ControlList::const_iterator x;
double length = list->length().samples();
points.assign (list->size(), Duple());
for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
const double p = (*x)->when.samples();
points[pi].x = _pixel_width - pwidth + (pwidth * (p/length));
points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
}
/* draw the line */
redraw_end_xfade_to (ar, width, points, effective_height, handle_right, pwidth);
/* ensure trim handle stays on top */
if (frame_handle_end) {
frame_handle_end->raise_to_top();
}
}
samplepos_t
AudioRegionView::get_fade_in_shape_width ()
{
return audio_region()->fade_in()->back()->when.samples();
}
samplepos_t
AudioRegionView::get_fade_out_shape_width ()
{
return audio_region()->fade_out()->back()->when.samples();
}
void
AudioRegionView::redraw_start_xfade ()
{
std::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->fade_in() || ar->fade_in()->empty()) {
return;
}
show_start_xfade();
reset_fade_in_shape_width (ar, ar->fade_in()->back()->when.samples());
}
void
AudioRegionView::redraw_start_xfade_to (std::shared_ptr<AudioRegion> ar, samplecnt_t /*width*/, Points& points, double effective_height,
double rect_width)
{
if (points.size() < 2) {
return;
}
if (!start_xfade_curve) {
start_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::Start);
CANVAS_DEBUG_NAME (start_xfade_curve, string_compose ("xfade start out line for %1", region()->name()));
start_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
start_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
start_xfade_curve->set_ignore_events (true);
}
if (!start_xfade_rect) {
start_xfade_rect = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (start_xfade_rect, string_compose ("xfade start rect for %1", region()->name()));
start_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
start_xfade_rect->set_fill (false);
start_xfade_rect->set_outline (false);
start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
start_xfade_rect->set_data ("regionview", this);
}
start_xfade_rect->set (ArdourCanvas::Rect (0.0, 0.0, rect_width, effective_height));
/* fade out line */
std::shared_ptr<AutomationList> inverse = ar->inverse_fade_in ();
Points ipoints;
Points::size_type npoints;
if (!inverse) {
/* there is no explicit inverse fade in curve, so take the
* regular fade in curve given to use as "points" (already a
* set of coordinates), and convert to the inverse shape.
*/
npoints = points.size();
ipoints.assign (npoints, Duple());
for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
ArdourCanvas::Duple &p (ipoints[pci]);
/* leave x-axis alone but invert with respect to y-axis */
p.y = effective_height - points[pci].y;
}
} else {
/* there is an explicit inverse fade in curve. Grab the points
and convert them into coordinates for the inverse fade in
line.
*/
npoints = inverse->size();
ipoints.assign (npoints, Duple());
Evoral::ControlList::const_iterator x;
Points::size_type pi;
const double length = inverse->length().samples();
for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
ArdourCanvas::Duple& p (ipoints[pi]);
double pos = (*x)->when.samples();
p.x = (rect_width * (pos/length));
p.y = effective_height - ((*x)->value * (effective_height));
}
}
start_xfade_curve->set_inout (points, ipoints);
show_start_xfade();
}
void
AudioRegionView::redraw_end_xfade ()
{
std::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->fade_out() || ar->fade_out()->empty()) {
return;
}
show_end_xfade();
reset_fade_out_shape_width (ar, ar->fade_out()->back()->when.samples());
}
void
AudioRegionView::redraw_end_xfade_to (std::shared_ptr<AudioRegion> ar, samplecnt_t width, Points& points, double effective_height,
double rect_edge, double rect_width)
{
if (points.size() < 2) {
return;
}
if (!end_xfade_curve) {
end_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::End);
CANVAS_DEBUG_NAME (end_xfade_curve, string_compose ("xfade end out line for %1", region()->name()));
end_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
end_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
end_xfade_curve->set_ignore_events (true);
}
if (!end_xfade_rect) {
end_xfade_rect = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (end_xfade_rect, string_compose ("xfade end rect for %1", region()->name()));
end_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
end_xfade_rect->set_fill (false);
end_xfade_rect->set_outline (false);
end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
end_xfade_rect->set_data ("regionview", this);
}
end_xfade_rect->set (ArdourCanvas::Rect (rect_edge, 0.0, rect_edge + rect_width, effective_height));
/* fade in line */
std::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
Points ipoints;
Points::size_type npoints;
if (!inverse) {
/* there is no explicit inverse fade out curve, so take the
* regular fade out curve given to use as "points" (already a
* set of coordinates), and convert to the inverse shape.
*/
npoints = points.size();
ipoints.assign (npoints, Duple());
Points::size_type pci;
for (pci = 0; pci < npoints; ++pci) {
ArdourCanvas::Duple &p (ipoints[pci]);
p.y = effective_height - points[pci].y;
}
} else {
/* there is an explicit inverse fade out curve. Grab the points
and convert them into coordinates for the inverse fade out
line.
*/
npoints = inverse->size();
ipoints.assign (npoints, Duple());
const double rend = trackview.editor().sample_to_pixel (_region->length_samples() - width);
Evoral::ControlList::const_iterator x;
Points::size_type pi;
const double length = inverse->length().samples();
for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
ArdourCanvas::Duple& p (ipoints[pi]);
const double pos = (*x)->when.samples();
p.x = (rect_width * (pos/length)) + rend;
p.y = effective_height - ((*x)->value * (effective_height));
}
}
end_xfade_curve->set_inout (ipoints, points);
show_end_xfade();
}
void
AudioRegionView::hide_xfades ()
{
hide_start_xfade ();
hide_end_xfade ();
}
void
AudioRegionView::hide_start_xfade ()
{
if (start_xfade_curve) {
start_xfade_curve->hide();
}
if (start_xfade_rect) {
start_xfade_rect->hide ();
}
_start_xfade_visible = false;
}
void
AudioRegionView::hide_end_xfade ()
{
if (end_xfade_curve) {
end_xfade_curve->hide();
}
if (end_xfade_rect) {
end_xfade_rect->hide ();
}
_end_xfade_visible = false;
}
void
AudioRegionView::show_start_xfade ()
{
if (start_xfade_curve) {
start_xfade_curve->show();
}
if (start_xfade_rect) {
start_xfade_rect->show ();
}
_start_xfade_visible = true;
}
void
AudioRegionView::show_end_xfade ()
{
if (end_xfade_curve) {
end_xfade_curve->show();
}
if (end_xfade_rect) {
end_xfade_rect->show ();
}
_end_xfade_visible = true;
}
void
AudioRegionView::set_samples_per_pixel (gdouble fpp)
{
RegionView::set_samples_per_pixel (fpp);
if (UIConfiguration::instance().get_show_waveforms ()) {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->set_samples_per_pixel (fpp);
}
}
if (_fx_line) {
_fx_line->reset ();
}
reset_fade_shapes ();
}
void
AudioRegionView::set_amplitude_above_axis (gdouble a)
{
for (uint32_t n=0; n < waves.size(); ++n) {
waves[n]->set_amplitude_above_axis (a);
}
}
void
AudioRegionView::set_colors ()
{
RegionView::set_colors();
set_fx_line_colors ();
set_waveform_colors ();
if (start_xfade_curve) {
start_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
start_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
if (end_xfade_curve) {
end_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
end_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
if (start_xfade_rect) {
start_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
if (end_xfade_rect) {
end_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
}
void
AudioRegionView::setup_waveform_visibility ()
{
if (UIConfiguration::instance().get_show_waveforms ()) {
for (uint32_t n = 0; n < waves.size(); ++n) {
/* make sure the zoom level is correct, since we don't update
this when waveforms are hidden.
*/
// CAIROCANVAS
// waves[n]->set_samples_per_pixel (_samples_per_pixel);
waves[n]->show();
}
} else {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->hide();
}
}
}
void
AudioRegionView::temporarily_hide_envelope ()
{
if (_fx_line) {
_fx_line->hide ();
}
}
void
AudioRegionView::unhide_envelope ()
{
update_envelope_visibility ();
}
void
AudioRegionView::set_region_gain_line ()
{
if (Profile->get_livetrax()) {
return;
}
if (_ignore_line_change) {
return;
}
const string line_name = _region->name() + ":gain";
_fx_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
_fx_line->set_height ((uint32_t) rint (height() - NAME_HIGHLIGHT_SIZE) - 2);
_fx_line->reset ();
_region_fx_connection.disconnect ();
bool changed = _rfx_id != PBD::ID (0) || _rdx_param != UINT32_MAX;
_rfx_id = PBD::ID (0);
_rdx_param = UINT32_MAX;
envelope_active_changed ();
if (changed) {
region_line_changed (); /* EMIT SIGNAL */
}
}
void
AudioRegionView::set_region_fx_line (std::shared_ptr<AutomationControl> ac, std::shared_ptr<RegionFxPlugin> rfx, uint32_t param_id)
{
const string line_name = _region->name () + ":" + rfx->describe_parameter (Evoral::Parameter (PluginAutomation, 0, param_id));
_fx_line.reset (new RegionFxLine (line_name, *this, *group, ac));
_fx_line->set_height ((uint32_t) rint (height() - NAME_HIGHLIGHT_SIZE) - 2);
_fx_line->reset ();
rfx->DropReferences.connect (_region_fx_connection, invalidator (*this), boost::bind (&AudioRegionView::set_region_gain_line, this), gui_context ());
bool changed = _rfx_id != rfx->id () || _rdx_param != param_id;
_rfx_id = rfx->id ();
_rdx_param = param_id;
envelope_active_changed ();
if (changed) {
region_line_changed (); /* EMIT SIGNAL */
}
}
bool
AudioRegionView::set_region_fx_line (uint32_t plugin_id, uint32_t param_id)
{
if (_ignore_line_change) {
return false;
}
std::shared_ptr<RegionFxPlugin> rfx = _region->nth_plugin (plugin_id);
if (rfx) {
std::shared_ptr<Evoral::Control> c = rfx->control (Evoral::Parameter (PluginAutomation, 0, param_id));
std::shared_ptr<AutomationControl> ac = std::dynamic_pointer_cast<AutomationControl> (c);
if (ac) {
set_region_fx_line (ac, rfx, param_id);
return true;
}
}
return false;
}
bool
AudioRegionView::set_region_fx_line (std::weak_ptr<PBD::Controllable> wac)
{
if (_ignore_line_change) {
return false;
}
std::shared_ptr<AutomationControl> ac = std::dynamic_pointer_cast<AutomationControl> (wac.lock ());
if (!ac) {
return false;
}
bool found = false;
_region->foreach_plugin ([this, ac, &found](std::weak_ptr<RegionFxPlugin> wfx)
{
std::shared_ptr<RegionFxPlugin> rfx (wfx.lock ());
if (!rfx || found) {
return;
}
std::shared_ptr<Plugin> plugin = rfx->plugin ();
for (size_t i = 0; i < plugin->parameter_count (); ++i) {
if (!plugin->parameter_is_control (i) || !plugin->parameter_is_input (i)) {
continue;
}
const Evoral::Parameter param (PluginAutomation, 0, i);
if (ac == std::dynamic_pointer_cast<ARDOUR::AutomationControl> (rfx->control (param))) {
set_region_fx_line (ac, rfx, i);
found = true;
break;
}
}
});
return found;
}
bool
AudioRegionView::get_region_fx_line (PBD::ID& id, uint32_t& param_id)
{
id = _rfx_id;
param_id = _rdx_param;
return _rdx_param != UINT32_MAX && _rfx_id != 0;
}
void
AudioRegionView::update_envelope_visibility ()
{
if (!_fx_line) {
return;
}
if (trackview.editor().current_mouse_mode() == Editing::MouseDraw || trackview.editor().current_mouse_mode() == Editing::MouseContent ) {
_fx_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::ControlPoints|AutomationLine::Line));
_fx_line->canvas_group().raise_to_top ();
} else if (UIConfiguration::instance().get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseRange ) {
_fx_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::Line));
_fx_line->canvas_group().raise_to_top ();
} else {
_fx_line->set_visibility (AutomationLine::VisibleAspects(0));
}
}
void
AudioRegionView::delete_waves ()
{
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
_data_ready_connections.clear ();
for (vector<ArdourWaveView::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
group->remove(*w);
delete *w;
}
waves.clear();
while (!tmp_waves.empty ()) {
delete tmp_waves.back ();
tmp_waves.pop_back ();
}
pending_peak_data->show ();
}
void
AudioRegionView::create_waves ()
{
// cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
if (!atv.track()) {
return;
}
ChanCount nchans = atv.track()->n_channels();
// cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
// << " and channels = " << nchans.n_audio() << endl;
/* in tmp_waves, set up null pointers for each channel so the vector is allocated */
for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
tmp_waves.push_back (0);
}
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
_data_ready_connections.clear ();
for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
_data_ready_connections.push_back (0);
}
for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
if (n >= audio_region()->n_channels()) {
break;
}
// cerr << "\tchannel " << n << endl;
if (wait_for_data) {
if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
// cerr << "\tData is ready for channel " << n << "\n";
create_one_wave (n, true);
} else {
// cerr << "\tdata is not ready for channel " << n << "\n";
// we'll get a PeaksReady signal from the source in the future
// and will call create_one_wave(n) then.
pending_peak_data->show ();
}
} else {
// cerr << "\tdon't delay, display channel " << n << " today!\n";
create_one_wave (n, true);
}
}
}
void
AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
{
//cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
if (!trackview.session() || trackview.session()->deletion_in_progress () || !atv.track()) {
/* peaks_ready_handler() may be called from peak_thread_work() while
* session deletion is in progress.
* Since session-unload happens in the GUI thread, we need to test
* in this context.
*/
return;
}
uint32_t nchans = atv.track()->n_channels().n_audio();
uint32_t n;
uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
gdouble ht;
/* compare to set_height(), use _height as set by streamview (child_height),
* not trackview.current_height() to take stacked layering into acconnt
*/
if (!UIConfiguration::instance().get_show_name_highlight() || (_height < NAME_HIGHLIGHT_THRESH)) {
ht = _height / (double) nchans;
} else {
ht = (_height - NAME_HIGHLIGHT_SIZE) / (double) nchans;
}
/* first waveview starts at 1.0, not 0.0 since that will overlap the frame */
gdouble yoff = which * ht;
ArdourWaveView::WaveView *wave = new ArdourWaveView::WaveView (group, audio_region ());
CANVAS_DEBUG_NAME (wave, string_compose ("wave view for chn %1 of %2", which, get_item_name()));
wave->set_channel (which);
wave->set_y_position (yoff);
wave->set_height (ht);
wave->set_samples_per_pixel (samples_per_pixel);
wave->set_show_zero_line (true);
wave->set_clip_level (UIConfiguration::instance().get_waveform_clip_level ());
wave->set_start_shift (1.0);
wave->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_wave_view_event), wave, this));
switch (UIConfiguration::instance().get_waveform_shape()) {
case Rectified:
wave->set_shape (ArdourWaveView::WaveView::Rectified);
break;
default:
wave->set_shape (ArdourWaveView::WaveView::Normal);
}
wave->set_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
vector<ArdourWaveView::WaveView*> v;
v.push_back (wave);
set_some_waveform_colors (v);
if (!UIConfiguration::instance().get_show_waveforms ()) {
wave->hide();
}
/* note: calling this function is serialized by the lock
held in the peak building thread that signals that
peaks are ready for use *or* by the fact that it is
called one by one from the GUI thread.
*/
if (which < nchans) {
tmp_waves[which] = wave;
} else {
/* n-channel track, >n-channel source */
}
/* see if we're all ready */
for (n = 0; n < nchans; ++n) {
if (tmp_waves[n] == 0) {
break;
}
}
if (n == nwaves) {
/* all waves are ready */
tmp_waves.resize(nwaves);
waves.swap(tmp_waves);
while (!tmp_waves.empty ()) {
delete tmp_waves.back ();
tmp_waves.pop_back ();
}
/* indicate peak-completed */
pending_peak_data->hide ();
/* Restore stacked coverage */
LayerDisplay layer_display;
if (trackview.get_gui_property ("layer-display", layer_display)) {
update_coverage_frame (layer_display);
}
}
/* channel wave created, don't hook into peaks ready anymore */
delete _data_ready_connections[which];
_data_ready_connections[which] = 0;
maybe_raise_cue_markers ();
}
void
AudioRegionView::peaks_ready_handler (uint32_t which)
{
Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
// cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
}
void
AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev, bool with_guard_points)
{
if (!_fx_line) {
return;
}
uint32_t before_p, after_p;
double mx = ev->button.x;
double my = ev->button.y;
item->canvas_to_item (mx, my);
samplecnt_t const sample_within_region = (samplecnt_t) floor (mx * samples_per_pixel);
double y = my;
if (_fx_line->control_points_adjacent (sample_within_region, before_p, after_p)) {
/* y is in item frame */
double const bx = _fx_line->nth (before_p)->get_x();
double const ax = _fx_line->nth (after_p)->get_x();
double const click_ratio = (ax - mx) / (ax - bx);
y = ((_fx_line->nth (before_p)->get_y() * click_ratio) + (_fx_line->nth (after_p)->get_y() * (1 - click_ratio)));
}
/* don't create points that can't be seen */
update_envelope_visibility ();
samplepos_t rpos = region ()->position_sample();
timepos_t snap_pos = timepos_t (trackview.editor().pixel_to_sample (mx) + rpos);
trackview.editor ().snap_to_with_modifier (snap_pos, ev);
samplepos_t fx = snap_pos.samples() - rpos;
if (fx > _region->length_samples()) {
return;
}
/* compute vertical fractional position */
y = 1.0 - (y / (_fx_line->height()));
/* map using gain line */
_fx_line->view_to_model_coord_y (y);
/* XXX STATEFUL: can't convert to stateful diff until we
can represent automation data with it.
*/
XMLNode &before = _fx_line->the_list()->get_state();
if (_fx_line->the_list()->editor_add (timepos_t (fx), y, with_guard_points)) {
XMLNode &after = _fx_line->the_list()->get_state();
std::list<Selectable*> results;
trackview.editor().begin_reversible_command (_("add gain control point"));
_fx_line->enable_autoation ();
trackview.session()->add_command (new MementoCommand<AutomationList>(*_fx_line->the_list(), &before, &after));
_fx_line->get_selectables (region ()->position () + timecnt_t (fx), region ()->position () + timecnt_t (fx), 0.0, 1.0, results);
trackview.editor ().get_selection ().set (results);
trackview.editor ().commit_reversible_command ();
trackview.session ()->set_dirty ();
} else {
delete &before;
}
}
GhostRegion*
AudioRegionView::add_ghost (TimeAxisView& tv)
{
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
if (!rtv) {
return 0;
}
double unit_position = _region->position_sample () / samples_per_pixel;
AudioGhostRegion* ghost = new AudioGhostRegion (*this, tv, trackview, unit_position);
uint32_t nchans;
nchans = rtv->track()->n_channels().n_audio();
for (uint32_t n = 0; n < nchans; ++n) {
if (n >= audio_region()->n_channels()) {
break;
}
ArdourWaveView::WaveView *wave = new ArdourWaveView::WaveView (ghost->group, audio_region());
CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
wave->set_channel (n);
wave->set_samples_per_pixel (samples_per_pixel);
wave->set_amplitude_above_axis (_amplitude_above_axis);
ghost->waves.push_back(wave);
}
ghost->set_height ();
ghost->set_duration (_region->length_samples() / samples_per_pixel);
ghost->set_colors();
ghosts.push_back (ghost);
return ghost;
}
void
AudioRegionView::entered ()
{
trackview.editor().set_current_trimmable (_region);
trackview.editor().set_current_movable (_region);
update_envelope_visibility();
if ((trackview.editor().current_mouse_mode() == Editing::MouseObject)) {
if (start_xfade_rect) {
start_xfade_rect->set_outline (true);
}
if (end_xfade_rect) {
end_xfade_rect->set_outline (true);
}
if (fade_in_handle) {
fade_in_handle->show ();
fade_in_handle->raise_to_top ();
}
if (fade_out_handle) {
fade_out_handle->show ();
fade_out_handle->raise_to_top ();
}
if (fade_in_trim_handle) {
std::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->locked() && (ar->fade_in()->back()->when > 64 || (ar->can_trim() & Trimmable::FrontTrimEarlier))) {
fade_in_trim_handle->show ();
fade_in_trim_handle->raise_to_top ();
} else {
fade_in_trim_handle->hide ();
}
}
if (fade_out_trim_handle) {
std::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->locked() && (ar->fade_out()->back()->when > 64 || (ar->can_trim() & Trimmable::EndTrimLater))) {
fade_out_trim_handle->show ();
fade_out_trim_handle->raise_to_top ();
} else {
fade_out_trim_handle->hide ();
}
}
} else { //this happens when we switch tools; if we switch away from Grab mode, hide all the fade handles
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
}
void
AudioRegionView::exited ()
{
trackview.editor().set_current_trimmable (std::shared_ptr<Trimmable>());
trackview.editor().set_current_movable (std::shared_ptr<Movable>());
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
void
AudioRegionView::envelope_active_changed ()
{
set_fx_line_colors ();
update_envelope_visibility ();
}
void
AudioRegionView::color_handler ()
{
//case cMutedWaveForm:
//case cWaveForm:
//case cWaveFormClip:
//case cZeroLine:
set_colors ();
//case cGainLineInactive:
//case cGainLine:
envelope_active_changed();
}
void
AudioRegionView::set_fx_line_colors ()
{
if (!_fx_line) {
return;
}
if (_rdx_param != UINT32_MAX && _rfx_id != 0) {
_fx_line->set_line_color ("region automation line");
} else if (audio_region()->envelope_active()) {
_fx_line->set_line_color ("gain line");
} else {
_fx_line->set_line_color ("gain line inactive", "gain line inactive");
}
}
void
AudioRegionView::set_waveform_colors ()
{
set_some_waveform_colors (waves);
}
void
AudioRegionView::set_some_waveform_colors (vector<ArdourWaveView::WaveView*>& waves_to_color)
{
Gtkmm2ext::Color fill = fill_color;
Gtkmm2ext::Color outline = fill;
Gtkmm2ext::Color clip = UIConfiguration::instance().color ("clipped waveform");
Gtkmm2ext::Color zero = UIConfiguration::instance().color ("zero line");
/* use track/region color to fill wform */
fill = fill_color;
fill = UINT_INTERPOLATE (fill, UIConfiguration::instance().color ("waveform fill"), 0.5);
/* set outline */
outline = UIConfiguration::instance().color ("waveform outline");
if (_dragging) {
outline = UINT_RGBA_CHANGE_A(outline, 0xC0);
fill = UINT_RGBA_CHANGE_A(fill, 0xC0);
} else if (_selected) {
outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("selected waveform outline"), 0xC0);
fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("selected waveform fill"), 0xC0);
} else if (_region->muted()) {
outline = UINT_RGBA_CHANGE_A(outline, 0x40);
fill = UINT_RGBA_CHANGE_A (UINT_INTERPOLATE(fill_color, UIConfiguration::instance().color ("covered region"), 0.7), 0x40);
} else if (!_region->opaque() && trackview.layer_display () != Stacked) {
outline = UINT_RGBA_CHANGE_A(outline, 0x80);
fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform fill"), 0x80);
}
/* recorded region, override to red */
if (_recregion) {
outline = UIConfiguration::instance().color ("recording waveform outline");
fill = UIConfiguration::instance().color ("recording waveform fill");
}
for (vector<ArdourWaveView::WaveView*>::iterator w = waves_to_color.begin(); w != waves_to_color.end(); ++w) {
(*w)->set_fill_color (fill);
(*w)->set_outline_color (outline);
(*w)->set_clip_color (clip);
(*w)->set_zero_color (zero);
}
}
void
AudioRegionView::set_frame_color ()
{
if (!frame) {
return;
}
RegionView::set_frame_color ();
set_waveform_colors ();
}
void
AudioRegionView::set_fade_visibility (bool yn)
{
if (yn) {
if (start_xfade_curve) { start_xfade_curve->show (); }
if (end_xfade_curve) { end_xfade_curve->show (); }
if (start_xfade_rect) { start_xfade_rect->show (); }
if (end_xfade_rect) { end_xfade_rect->show (); }
} else {
if (start_xfade_curve) { start_xfade_curve->hide(); }
if (end_xfade_curve) { end_xfade_curve->hide(); }
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->hide (); }
if (end_xfade_rect) { end_xfade_rect->hide (); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
}
void
AudioRegionView::update_coverage_frame (LayerDisplay d)
{
RegionView::update_coverage_frame (d);
if (d == Stacked) {
if (fade_in_handle) { fade_in_handle->raise_to_top (); }
if (fade_out_handle) { fade_out_handle->raise_to_top (); }
if (fade_in_trim_handle) { fade_in_trim_handle->raise_to_top (); }
if (fade_out_trim_handle) { fade_out_trim_handle->raise_to_top (); }
}
}
void
AudioRegionView::show_region_editor ()
{
if (editor == 0) {
editor = new AudioRegionEditor (trackview.session(), this);
}
editor->present ();
editor->show_all();
}
void
AudioRegionView::transients_changed ()
{
AnalysisFeatureList analysis_features;
_region->transients (analysis_features);
samplepos_t position = _region->position_sample();
samplepos_t first = _region->first_sample();
samplepos_t last = _region->last_sample();
double y1;
if (_height >= NAME_HIGHLIGHT_THRESH) {
y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
} else {
y1 = _height - 1;
}
while (feature_lines.size() < analysis_features.size()) {
ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
canvas_item->set_outline_color (UIConfiguration::instance().color ("zero line")); // also in Editor::leave_handler()
canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
ArdourCanvas::Duple (1.0, y1));
canvas_item->raise_to_top ();
canvas_item->show ();
canvas_item->set_data ("regionview", this);
canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
feature_lines.push_back (make_pair(0, canvas_item));
}
while (feature_lines.size() > analysis_features.size()) {
ArdourCanvas::Line* line = feature_lines.back().second;
feature_lines.pop_back ();
delete line;
}
AnalysisFeatureList::const_iterator i;
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
float *pos = new float;
*pos = trackview.editor().sample_to_pixel (*i - position);
(*l).second->set (
ArdourCanvas::Duple (*pos, 2.0),
ArdourCanvas::Duple (*pos, y1)
);
(*l).second->set_data ("position", pos); // is this *modified* (drag?), if not use *i
(*l).first = *i;
if (l->first < first || l->first >= last) {
l->second->hide();
} else {
l->second->show();
}
}
}
void
AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
{
/* Find sample at old pos, calculate new sample then update region transients*/
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
/* Line has been updated in drag so we compare to new_pos */
float* pos = (float*) (*l).second->get_data ("position");
if (rint(new_pos) == rint(*pos)) {
samplepos_t position = _region->position_sample();
samplepos_t old_sample = (*l).first;
samplepos_t new_sample = trackview.editor().pixel_to_sample (new_pos) + position;
_region->update_transient (old_sample, new_sample);
break;
}
}
}
void
AudioRegionView::remove_transient (float pos)
{
/* this is called from Editor::remove_transient () with pos == get_data ("position")
* which is the item's x-coordinate inside the ARV.
*
* Find sample at old pos, calculate new sample then update region transients
*/
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
float *line_pos = (float*) (*l).second->get_data ("position");
if (rint(pos) == rint(*line_pos)) {
_region->remove_transient ((*l).first);
break;
}
}
}
void
AudioRegionView::thaw_after_trim ()
{
RegionView::thaw_after_trim ();
unhide_envelope ();
drag_end ();
}
void
AudioRegionView::show_xfades ()
{
show_start_xfade ();
show_end_xfade ();
}
void
AudioRegionView::drag_start ()
{
TimeAxisViewItem::drag_start ();
//we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed
}
void
AudioRegionView::drag_end ()
{
TimeAxisViewItem::drag_end ();
//see comment for drag_start
if (fade_in_handle && fade_in_handle->visible()) {
// length of region or fade changed, re-check
// if fade_in_trim_handle or fade_out_trim_handle should
// be visible. -- If the fade_in_handle is visible
// we have focus and are not in internal edit mode.
entered();
}
}
void
AudioRegionView::parameter_changed (string const & p)
{
RegionView::parameter_changed (p);
if (p == "show-waveforms") {
setup_waveform_visibility ();
}
}
MergeableLine*
AudioRegionView::make_merger ()
{
return new MergeableLine (_fx_line, std::shared_ptr<AutomationControl>(),
[this](timepos_t const& t) { return timepos_t (_region->position().distance (t)); },
nullptr, nullptr);
}
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