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livetrax/gtk2_ardour/audio_streamview.cc
David Robillard 6e912a0aa3 Fix display of MIDI notes/regions while recording. 
Make record rect transparency configurable.

Factor out some copy-paste streamview code.
2014-12-17 18:41:23 -05:00

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