#include <gtkmm/table.h>
#include <gtkmm/label.h>
#include <gtkmm/stock.h>
-#include "ardour/audioregion.h"
-#include "ardour/audiosource.h"
+#include "ardour/audioregion.h"
#include "ardour/dB.h"
#include "ardour_ui.h"
-#include "ardour/session.h"
+#include "audio_clock.h"
#include "gui_thread.h"
#include "strip_silence_dialog.h"
-#include "canvas_impl.h"
-#include "simpleline.h"
-#include "waveview.h"
-#include "simplerect.h"
+#include "region_view.h"
#include "rgb_macros.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
#include "logmeter.h"
using namespace ARDOUR;
using namespace std;
using namespace ArdourCanvas;
-Glib::StaticMutex StripSilenceDialog::run_lock;
-Glib::Cond* StripSilenceDialog::thread_waiting = 0;
-Glib::Cond* StripSilenceDialog::thread_run = 0;
-bool StripSilenceDialog::thread_should_exit = false;
-InterThreadInfo StripSilenceDialog::itt;
-StripSilenceDialog* StripSilenceDialog::current = 0;
-
/** Construct Strip silence dialog box */
-StripSilenceDialog::StripSilenceDialog (Session* s, list<boost::shared_ptr<ARDOUR::AudioRegion> > const & regions)
+StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
: ArdourDialog (_("Strip Silence"))
, ProgressReporter ()
- , _minimum_length (X_("silence duration"), true, "SilenceDurationClock", true, false, true, false)
- , _fade_length (X_("silence duration"), true, "SilenceDurationClock", true, false, true, false)
- , _wave_width (640)
- , _wave_height (64)
- , restart_queued (false)
- , _peaks_ready_connection (0)
+ , _minimum_length (new AudioClock (X_("silence duration"), true, "", true, false, true, false))
+ , _fade_length (new AudioClock (X_("silence duration"), true, "", true, false, true, false))
+ , _destroying (false)
+ , analysis_progress_cur (0)
+ , analysis_progress_max (0)
{
- set_session (s);
+ set_session (s);
- if (thread_waiting == 0) {
- thread_waiting = new Glib::Cond;
- thread_run = new Glib::Cond;
- }
+ for (list<RegionView*>::const_iterator r = v.begin(); r != v.end(); ++r) {
+ views.push_back (ViewInterval (*r));
+ }
Gtk::HBox* hbox = Gtk::manage (new Gtk::HBox);
-
+
Gtk::Table* table = Gtk::manage (new Gtk::Table (3, 3));
table->set_spacings (6);
table->attach (_threshold, 1, 2, n, n + 1, Gtk::FILL);
table->attach (*Gtk::manage (new Gtk::Label (_("dbFS"))), 2, 3, n, n + 1, Gtk::FILL);
++n;
-
+
_threshold.set_digits (1);
_threshold.set_increments (1, 10);
_threshold.set_range (-120, 0);
_threshold.set_value (-60);
+ _threshold.set_activates_default ();
table->attach (*Gtk::manage (new Gtk::Label (_("Minimum length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
- table->attach (_minimum_length, 1, 2, n, n + 1, Gtk::FILL);
+ table->attach (*_minimum_length, 1, 2, n, n + 1, Gtk::FILL);
++n;
-
- _minimum_length.set_session (s);
- _minimum_length.set_mode (AudioClock::Frames);
- _minimum_length.set (1000, true);
- table->attach (*Gtk::manage (new Gtk::Label (_("Fade length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
- table->attach (_fade_length, 1, 2, n, n + 1, Gtk::FILL);
- ++n;
-
- _fade_length.set_session (s);
- _fade_length.set_mode (AudioClock::Frames);
- _fade_length.set (64, true);
-
- hbox->pack_start (*table);
+ _minimum_length->set_session (s);
+ _minimum_length->set_mode (AudioClock::Frames);
+ _minimum_length->set (1000, true);
- table = Gtk::manage (new Gtk::Table (3, 2));
- table->set_spacings (6);
-
- n = 0;
-
- table->attach (*Gtk::manage (new Gtk::Label (_("Silent segments:"), 1, 0.5)), 3, 4, n, n + 1, Gtk::FILL);
- table->attach (_segment_count_label, 5, 6, n, n + 1, Gtk::FILL);
- _segment_count_label.set_alignment (0, 0.5);
+ table->attach (*Gtk::manage (new Gtk::Label (_("Fade length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
+ table->attach (*_fade_length, 1, 2, n, n + 1, Gtk::FILL);
++n;
- table->attach (*Gtk::manage (new Gtk::Label (_("Shortest silence:"), 1, 0.5)), 3, 4, n, n + 1, Gtk::FILL);
- table->attach (_shortest_silence_label, 5, 6, n, n + 1, Gtk::FILL);
- _shortest_silence_label.set_alignment (0, 0.5);
- ++n;
+ _fade_length->set_session (s);
+ _fade_length->set_mode (AudioClock::Frames);
+ _fade_length->set (64, true);
- table->attach (*Gtk::manage (new Gtk::Label (_("Shortest audible:"), 1, 0.5)), 3, 4, n, n + 1, Gtk::FILL);
- table->attach (_shortest_audible_label, 5, 6, n, n + 1, Gtk::FILL);
- _shortest_audible_label.set_alignment (0, 0.5);
- ++n;
-
hbox->pack_start (*table);
- /* dummy label for padding */
- hbox->pack_start (*Gtk::manage (new Gtk::Label ("")), true, true);
-
get_vbox()->pack_start (*hbox, false, false);
- add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
- add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
-
- _canvas = new CanvasAA ();
- _canvas->signal_size_allocate().connect (sigc::mem_fun (*this, &StripSilenceDialog::canvas_allocation));
- _canvas->set_size_request (_wave_width, _wave_height * regions.size());
-
- for (list<boost::shared_ptr<ARDOUR::AudioRegion> >::const_iterator i = regions.begin(); i != regions.end(); ++i) {
- Wave* w = new Wave (_canvas->root(), *i);
- _waves.push_back (w);
- }
-
- get_vbox()->pack_start (*_canvas, true, true);
+ cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+ apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
+ set_default_response (Gtk::RESPONSE_OK);
- get_vbox()->pack_start (_progress_bar, true, true);
+ get_vbox()->pack_start (_progress_bar, true, true, 12);
show_all ();
- _threshold.get_adjustment()->signal_value_changed().connect (sigc::mem_fun (*this, &StripSilenceDialog::threshold_changed));
- _minimum_length.ValueChanged.connect (sigc::mem_fun (*this, &StripSilenceDialog::maybe_start_silence_detection));
+ _threshold.get_adjustment()->signal_value_changed().connect (sigc::mem_fun (*this, &StripSilenceDialog::threshold_changed));
+ _minimum_length->ValueChanged.connect (sigc::mem_fun (*this, &StripSilenceDialog::restart_thread));
+ _fade_length->ValueChanged.connect (sigc::mem_fun (*this, &StripSilenceDialog::restart_thread));
- create_waves ();
update_silence_rects ();
update_threshold_line ();
- maybe_start_silence_detection ();
+ _progress_bar.set_text (_("Analyzing"));
+ update_progress_gui (0);
+ apply_button->set_sensitive (false);
+ progress_idle_connection = Glib::signal_idle().connect (sigc::mem_fun (*this, &StripSilenceDialog::idle_update_progress));
+
+ /* Create a thread which runs while the dialogue is open to compute the silence regions */
+ Completed.connect (_completed_connection, invalidator(*this), boost::bind (&StripSilenceDialog::update, this), gui_context ());
+ _thread_should_finish = false;
+ pthread_create (&_thread, 0, StripSilenceDialog::_detection_thread_work, this);
}
StripSilenceDialog::~StripSilenceDialog ()
{
- for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
- delete *i;
- }
+ _destroying = true;
+ progress_idle_connection.disconnect();
- _waves.clear ();
-
- delete _peaks_ready_connection;
- delete _canvas;
-}
+ /* Terminate our thread */
+ _interthread_info.cancel = true;
+ _lock.lock ();
+ _thread_should_finish = true;
+ _lock.unlock ();
-void
-StripSilenceDialog::create_waves ()
-{
- int n = 0;
-
- delete _peaks_ready_connection;
- _peaks_ready_connection = 0;
+ _run_cond.signal ();
+ pthread_join (_thread, 0);
- for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
- if ((*i)->region->audio_source(0)->peaks_ready (boost::bind (&StripSilenceDialog::peaks_ready, this), &_peaks_ready_connection, gui_context())) {
- (*i)->view = new WaveView (*(_canvas->root()));
- (*i)->view->property_data_src() = static_cast<gpointer>((*i)->region.get());
- (*i)->view->property_cache() = WaveView::create_cache ();
- (*i)->view->property_cache_updater() = true;
- (*i)->view->property_channel() = 0;
- (*i)->view->property_length_function() = (void *) region_length_from_c;
- (*i)->view->property_sourcefile_length_function() = (void *) sourcefile_length_from_c;
- (*i)->view->property_peak_function() = (void *) region_read_peaks_from_c;
- (*i)->view->property_x() = 0;
- (*i)->view->property_y() = n * _wave_height;
- (*i)->view->property_height() = _wave_height;
- (*i)->view->property_samples_per_unit() = (*i)->samples_per_unit;
- (*i)->view->property_region_start() = (*i)->region->start();
- (*i)->view->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
- (*i)->view->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
- (*i)->view->property_logscaled() = true;
- (*i)->view->property_rectified() = true;
- }
+ delete _minimum_length;
+ delete _fade_length;
+}
- ++n;
+bool
+StripSilenceDialog::idle_update_progress()
+{
+ if (analysis_progress_max > 0) {
+ // AudioRegion::find_silence() has
+ // itt.progress = (end - pos) / length
+ // not sure if that's intentional, but let's use (1. - val)
+ float rp = std::min(1.f, std::max (0.f, (1.f - _interthread_info.progress)));
+ float p = analysis_progress_cur / (float) analysis_progress_max
+ + rp / (float) analysis_progress_max;
+ update_progress_gui (p);
}
+ return !_destroying;
}
void
-StripSilenceDialog::peaks_ready ()
+StripSilenceDialog::silences (AudioIntervalMap& m)
{
- delete _peaks_ready_connection;
- _peaks_ready_connection = 0;
- create_waves ();
+ for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
+ pair<boost::shared_ptr<Region>,AudioIntervalResult> newpair (v->view->region(), v->intervals);
+ m.insert (newpair);
+ }
}
void
-StripSilenceDialog::canvas_allocation (Gtk::Allocation& alloc)
+StripSilenceDialog::drop_rects ()
{
- int n = 0;
+ // called by parent when starting to progess (dialog::run returned),
+ // but before the dialog is destoyed.
- _canvas->set_scroll_region (0.0, 0.0, alloc.get_width(), alloc.get_height());
- _wave_width = alloc.get_width ();
- _wave_height = alloc.get_height ();
+ _interthread_info.cancel = true;
- for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i, ++n) {
- (*i)->samples_per_unit = ((double) (*i)->region->length() / _wave_width);
+ /* Block until the thread is idle */
+ _lock.lock ();
+ _lock.unlock ();
- if ((*i)->view) {
- (*i)->view->property_y() = n * _wave_height;
- (*i)->view->property_samples_per_unit() = (*i)->samples_per_unit;
- (*i)->view->property_height() = _wave_height;
- }
+ for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
+ v->view->drop_silent_frames ();
}
- resize_silence_rects ();
- update_threshold_line ();
+ cancel_button->set_sensitive (false);
+ apply_button->set_sensitive (false);
}
void
-StripSilenceDialog::resize_silence_rects ()
+StripSilenceDialog::update_threshold_line ()
{
+#if 0
int n = 0;
- for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
-
- list<pair<frameoffset_t, framecnt_t> >::const_iterator j;
- list<SimpleRect*>::iterator r;
-
- for (j = (*i)->silence.begin(), r = (*i)->silence_rects.begin();
- j != (*i)->silence.end() && r != (*i)->silence_rects.end(); ++j, ++r) {
- (*r)->property_x1() = j->first / (*i)->samples_per_unit;
- (*r)->property_x2() = j->second / (*i)->samples_per_unit;
- (*r)->property_y1() = n * _wave_height;
- (*r)->property_y2() = (n + 1) * _wave_height;
- (*r)->property_outline_pixels() = 0;
- (*r)->property_fill_color_rgba() = RGBA_TO_UINT (128, 128, 128, 128);
- }
-
- ++n;
- }
-}
+ /* Don't need to lock here as we're not reading the _waves silence details */
-void
-StripSilenceDialog::update_threshold_line ()
-{
- int n = 0;
-
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
(*i)->threshold_line->property_x1() = 0;
(*i)->threshold_line->property_x2() = _wave_width;
-
+
double const y = alt_log_meter (_threshold.get_value());
(*i)->threshold_line->property_y1() = (n + 1 - y) * _wave_height;
}
++n;
+#endif
}
void
-StripSilenceDialog::update_silence_rects ()
+StripSilenceDialog::update ()
{
- int n = 0;
- uint32_t max_segments = 0;
- uint32_t sc;
-
- for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
- for (list<SimpleRect*>::iterator j = (*i)->silence_rects.begin(); j != (*i)->silence_rects.end(); ++j) {
- delete *j;
- }
-
- (*i)->silence_rects.clear ();
- sc = 0;
-
- for (list<pair<frameoffset_t, framecnt_t> >::const_iterator j = (*i)->silence.begin(); j != (*i)->silence.end(); ++j) {
-
- SimpleRect* r = new SimpleRect (*(_canvas->root()));
- r->property_x1() = j->first / (*i)->samples_per_unit;
- r->property_x2() = j->second / (*i)->samples_per_unit;
- r->property_y1() = n * _wave_height;
- r->property_y2() = (n + 1) * _wave_height;
- r->property_outline_pixels() = 0;
- r->property_fill_color_rgba() = RGBA_TO_UINT (128, 128, 128, 128);
- (*i)->silence_rects.push_back (r);
- sc++;
- }
-
- max_segments = max (max_segments, sc);
- ++n;
- }
-
- if (min_audible > 0) {
- float ms, ma;
- char const * aunits;
- char const * sunits;
-
- ma = (float) min_audible/_session->frame_rate();
- ms = (float) min_silence/_session->frame_rate();
-
- if (min_audible < _session->frame_rate()) {
- aunits = _("ms");
- ma *= 1000.0;
- } else {
- aunits = _("s");
- }
-
- if (min_silence < _session->frame_rate()) {
- sunits = _("ms");
- ms *= 1000.0;
- } else {
- sunits = _("s");
- }
-
- _segment_count_label.set_text (string_compose ("%1", max_segments));
- if (max_segments > 0) {
- _shortest_silence_label.set_text (string_compose ("%1 %2", ms, sunits));
- _shortest_audible_label.set_text (string_compose ("%1 %2", ma, aunits));
- } else {
- _shortest_silence_label.set_text ("");
- _shortest_audible_label.set_text ("");
- }
- } else {
- _segment_count_label.set_text (_("Full silence"));
- _shortest_silence_label.set_text ("");
- _shortest_audible_label.set_text ("");
- }
+ update_threshold_line ();
+ update_silence_rects ();
+ _progress_bar.set_text ("");
+ update_progress_gui (0);
+ apply_button->set_sensitive(true);
}
-bool
-StripSilenceDialog::_detection_done (void* arg)
+void
+StripSilenceDialog::update_silence_rects ()
{
- StripSilenceDialog* ssd = (StripSilenceDialog*) arg;
- return ssd->detection_done ();
-}
+ /* Lock so that we don't contend with the detection thread for access to the silence regions */
+ Glib::Threads::Mutex::Lock lm (_lock);
+ double const y = _threshold.get_value();
-bool
-StripSilenceDialog::detection_done ()
-{
- get_window()->set_cursor (Gdk::Cursor (Gdk::LEFT_PTR));
- update_silence_rects ();
- return false;
+ for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
+ v->view->set_silent_frames (v->intervals, y);
+ }
}
-void*
+void *
StripSilenceDialog::_detection_thread_work (void* arg)
{
- StripSilenceDialog* ssd = (StripSilenceDialog*) arg;
- return ssd->detection_thread_work ();
+ StripSilenceDialog* d = reinterpret_cast<StripSilenceDialog*> (arg);
+ return d->detection_thread_work ();
}
-void*
+/** Body of our silence detection thread */
+void *
StripSilenceDialog::detection_thread_work ()
{
- ARDOUR_UI::instance()->register_thread ("gui", pthread_self(), "silence", 32);
-
- while (1) {
-
- run_lock.lock ();
- thread_waiting->signal ();
- thread_run->wait (run_lock);
-
- if (thread_should_exit) {
- thread_waiting->signal ();
- run_lock.unlock ();
- break;
- }
-
- if (current) {
- StripSilenceDialog* ssd = current;
- run_lock.unlock ();
-
- for (list<Wave*>::iterator i = ssd->_waves.begin(); i != ssd->_waves.end(); ++i) {
- (*i)->silence = (*i)->region->find_silence (dB_to_coefficient (ssd->threshold ()), ssd->minimum_length (), ssd->itt);
- ssd->update_stats ((*i)->silence);
- }
-
- if (!ssd->itt.cancel) {
- g_idle_add ((gboolean (*)(void*)) StripSilenceDialog::_detection_done, ssd);
- }
- } else {
- run_lock.unlock ();
- }
-
- }
-
- return 0;
-}
-
-void
-StripSilenceDialog::threshold_changed ()
-{
- update_threshold_line ();
- maybe_start_silence_detection ();
-}
-
-void
-StripSilenceDialog::maybe_start_silence_detection ()
-{
- if (!restart_queued) {
- restart_queued = true;
- Glib::signal_idle().connect (sigc::mem_fun (*this, &StripSilenceDialog::start_silence_detection));
- }
-}
-
-bool
-StripSilenceDialog::start_silence_detection ()
-{
- Glib::Mutex::Lock lm (run_lock);
- restart_queued = false;
-
- if (!itt.thread) {
-
- itt.done = false;
- itt.cancel = false;
- itt.progress = 0.0;
- current = this;
-
- pthread_create (&itt.thread, 0, StripSilenceDialog::_detection_thread_work, this);
- /* wait for it to get started */
- thread_waiting->wait (run_lock);
-
- } else {
-
- /* stop whatever the thread is doing */
-
- itt.cancel = 1;
- current = 0;
-
- while (!itt.done) {
- thread_run->signal ();
- thread_waiting->wait (run_lock);
- }
- }
+ /* Do not register with all UIs, but do register with the GUI,
+ because we will need to queue some GUI (only) requests
+ */
+ ARDOUR_UI::instance()->register_thread (pthread_self(), "silence", 32);
+
+ /* Hold this lock when we are doing work */
+ _lock.lock ();
+
+ while (1) {
+ analysis_progress_cur = 0;
+ analysis_progress_max = views.size();
+ for (list<ViewInterval>::iterator i = views.begin(); i != views.end(); ++i) {
+ boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i).view->region());
+
+ if (ar) {
+ i->intervals = ar->find_silence (dB_to_coefficient (threshold ()), minimum_length (), fade_length(), _interthread_info);
+ }
+
+ if (_interthread_info.cancel) {
+ break;
+ }
+ ++analysis_progress_cur;
+ _interthread_info.progress = 1.0;
+ ARDOUR::GUIIdle ();
+ }
+ analysis_progress_max = 0;
- itt.cancel = false;
- itt.done = false;
- itt.progress = 0.0;
- current = this;
-
- /* and start it up (again) */
-
- thread_run->signal ();
+ if (!_interthread_info.cancel) {
+ Completed (); /* EMIT SIGNAL */
+ }
- /* change cursor */
+ /* Our work is done; sleep until there is more to do.
+ * The lock is released while we are waiting.
+ */
+ _run_cond.wait (_lock);
- get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
+ if (_thread_should_finish) {
+ _lock.unlock ();
+ return 0;
+ }
+ }
- /* don't call again until needed */
-
- return false;
+ return 0;
}
void
-StripSilenceDialog::stop_thread ()
+StripSilenceDialog::restart_thread ()
{
- Glib::Mutex::Lock lm (run_lock);
+ if (_destroying) {
+ /* I don't know how this happens, but it seems to be possible for this
+ method to be called after our destructor has finished executing.
+ If this happens, bad things follow; _lock cannot be locked and
+ Ardour hangs. So if we are destroying, just bail early.
+ */
+ return;
+ }
+
+ _progress_bar.set_text (_("Analyzing"));
+ update_progress_gui (0);
+ apply_button->set_sensitive (false);
+
+ /* Cancel any current run */
+ _interthread_info.cancel = true;
- itt.cancel = true;
- thread_should_exit = true;
- thread_run->signal ();
- thread_waiting->wait (run_lock);
- itt.thread = 0;
+ /* Block until the thread waits() */
+ _lock.lock ();
+ /* Reset the flag */
+ _interthread_info.cancel = false;
+ _lock.unlock ();
+
+ /* And re-awake the thread */
+ _run_cond.signal ();
}
void
-StripSilenceDialog::update_stats (const SilenceResult& res)
+StripSilenceDialog::threshold_changed ()
{
- if (res.empty()) {
- return;
- }
-
- max_silence = 0;
- min_silence = max_framepos;
- max_audible = 0;
- min_audible = max_framepos;
-
- SilenceResult::const_iterator cur;
-
- cur = res.begin();
-
- framepos_t start = 0;
- framepos_t end;
- bool in_silence;
-
- if (cur->first == 0) {
- /* initial segment, starting at zero, is silent */
- end = cur->second;
- in_silence = true;
- } else {
- /* initial segment, starting at zero, is audible */
- end = cur->first;
- in_silence = false;
- }
-
- while (cur != res.end()) {
-
- framecnt_t interval_duration;
-
- interval_duration = end - start;
-
- if (in_silence) {
-
- max_silence = max (max_silence, interval_duration);
- min_silence = min (min_silence, interval_duration);
- } else {
-
- max_audible = max (max_audible, interval_duration);
- min_audible = min (min_audible, interval_duration);
- }
-
- start = end;
- ++cur;
- end = cur->first;
- in_silence = !in_silence;
- }
+ update_threshold_line ();
+ restart_thread ();
}
-nframes_t
+framecnt_t
StripSilenceDialog::minimum_length () const
{
- return _minimum_length.current_duration (_waves.front()->region->position());
+ return std::max((framecnt_t)1, _minimum_length->current_duration (views.front().view->region()->position()));
}
-nframes_t
+framecnt_t
StripSilenceDialog::fade_length () const
{
- return _minimum_length.current_duration (_waves.front()->region->position());
-}
-
-StripSilenceDialog::Wave::Wave (Group* g, boost::shared_ptr<AudioRegion> r)
- : region (r), view (0), samples_per_unit (1)
-{
- threshold_line = new ArdourCanvas::SimpleLine (*g);
- threshold_line->property_color_rgba() = RGBA_TO_UINT (0, 0, 0, 128);
-}
-
-StripSilenceDialog::Wave::~Wave ()
-{
- delete view;
- delete threshold_line;
- for (list<SimpleRect*>::iterator i = silence_rects.begin(); i != silence_rects.end(); ++i) {
- delete *i;
- }
+ return std::max((framecnt_t)0, _fade_length->current_duration (views.front().view->region()->position()));
}
void
projects / ardour.git / blobdiff