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fixes and improvements for strip silence, with lots of thread debugging

git-svn-id: svn://localhost/ardour2/branches/3.0@6724 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-03-03 23:38:42 +00:00
parent fba09a3d19
commit a7eb8f4733
2 changed files with 246 additions and 25 deletions

View File

@ -17,6 +17,8 @@
*/
#include <iostream>
#include <gtkmm/table.h>
#include <gtkmm/label.h>
#include <gtkmm/stock.h>
@ -34,17 +36,32 @@
#include "i18n.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 (std::list<boost::shared_ptr<ARDOUR::AudioRegion> > const & regions)
: ArdourDialog (_("Strip Silence")), _wave_width (640), _wave_height (64)
: ArdourDialog (_("Strip Silence"))
, _wave_width (640)
, _wave_height (64)
, restart_queued (false)
{
if (thread_waiting == 0) {
thread_waiting = new Glib::Cond;
thread_run = new Glib::Cond;
}
for (std::list<boost::shared_ptr<ARDOUR::AudioRegion> >::const_iterator i = regions.begin(); i != regions.end(); ++i) {
Wave w;
w.region = *i;
w.view = 0;
w.samples_per_unit = 1;
_waves.push_back (w);
}
@ -91,18 +108,15 @@ StripSilenceDialog::StripSilenceDialog (std::list<boost::shared_ptr<ARDOUR::Audi
hbox->pack_start (*table, false, false);
Gtk::VBox* v = Gtk::manage (new Gtk::VBox);
Gtk::Button* b = Gtk::manage (new Gtk::Button (_("Update display")));
b->signal_clicked().connect (sigc::mem_fun (*this, &StripSilenceDialog::update_silence_rects));
v->pack_start (*b, false, false);
hbox->pack_start (*v, false, false);
_segment_count_label.set_text (_("Silent segments: none"));
hbox->pack_start (_segment_count_label, false, false);
get_vbox()->add (*hbox);
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 ArdourCanvas::CanvasAA ();
_canvas = new CanvasAA ();
_canvas->signal_size_allocate().connect (sigc::mem_fun (*this, &StripSilenceDialog::canvas_allocation));
_canvas->set_size_request (_wave_width, _wave_height * _waves.size ());
@ -110,6 +124,9 @@ StripSilenceDialog::StripSilenceDialog (std::list<boost::shared_ptr<ARDOUR::Audi
show_all ();
_threshold.get_adjustment()->signal_value_changed().connect (sigc::mem_fun (*this, &StripSilenceDialog::maybe_start_silence_detection));
_minimum_length.get_adjustment()->signal_value_changed().connect (sigc::mem_fun (*this, &StripSilenceDialog::maybe_start_silence_detection));
create_waves ();
update_silence_rects ();
}
@ -119,7 +136,7 @@ StripSilenceDialog::~StripSilenceDialog ()
{
for (std::list<Wave>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
delete i->view;
for (std::list<ArdourCanvas::SimpleRect*>::iterator j = i->silence_rects.begin(); j != i->silence_rects.end(); ++j) {
for (std::list<SimpleRect*>::iterator j = i->silence_rects.begin(); j != i->silence_rects.end(); ++j) {
delete *j;
}
}
@ -165,32 +182,67 @@ StripSilenceDialog::peaks_ready ()
void
StripSilenceDialog::canvas_allocation (Gtk::Allocation& alloc)
{
int n = 0;
_canvas->set_scroll_region (0.0, 0.0, alloc.get_width(), alloc.get_height());
_wave_width = alloc.get_width ();
_wave_height = alloc.get_height ();
for (std::list<Wave>::iterator i = _waves.begin(); i != _waves.end(); ++i, ++n) {
i->samples_per_unit = ((double) i->region->length() / _wave_width);
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;
}
}
redraw_silence_rects ();
}
void
StripSilenceDialog::redraw_silence_rects ()
{
int n = 0;
for (std::list<Wave>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
i->samples_per_unit = ((double) i->region->length() / _wave_width);
}
std::list<std::pair<frameoffset_t, framecnt_t> >::const_iterator j;
std::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;
}
}
void
StripSilenceDialog::update_silence_rects ()
{
int n = 0;
uint32_t max_segments = 0;
uint32_t sc;
for (std::list<Wave>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
for (std::list<ArdourCanvas::SimpleRect*>::iterator j = i->silence_rects.begin(); j != i->silence_rects.end(); ++j) {
for (std::list<SimpleRect*>::iterator j = i->silence_rects.begin(); j != i->silence_rects.end(); ++j) {
delete *j;
}
i->silence_rects.clear ();
i->silence_rects.clear ();
sc = 0;
std::list<std::pair<frameoffset_t, framecnt_t> > const silence =
i->region->find_silence (dB_to_coefficient (threshold ()), minimum_length ());
for (std::list<std::pair<frameoffset_t, framecnt_t> >::const_iterator j = silence.begin(); j != silence.end(); ++j) {
for (std::list<std::pair<frameoffset_t, framecnt_t> >::const_iterator j = i->silence.begin(); j != i->silence.end(); ++j) {
ArdourCanvas::SimpleRect* r = new ArdourCanvas::SimpleRect (*(_canvas->root()));
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;
@ -198,9 +250,152 @@ StripSilenceDialog::update_silence_rects ()
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;
}
_segment_count_label.set_text (string_compose (_("Silent segments: %1"), max_segments));
}
bool
StripSilenceDialog::_detection_done (void* arg)
{
StripSilenceDialog* ssd = (StripSilenceDialog*) arg;
return ssd->detection_done ();
}
bool
StripSilenceDialog::detection_done ()
{
get_window()->set_cursor (Gdk::Cursor (Gdk::LEFT_PTR));
update_silence_rects ();
return false;
}
void*
StripSilenceDialog::_detection_thread_work (void* arg)
{
StripSilenceDialog* ssd = (StripSilenceDialog*) arg;
return ssd->detection_thread_work ();
}
void*
StripSilenceDialog::detection_thread_work ()
{
ARDOUR_UI::instance()->register_thread ("gui", pthread_self(), "silence", 32);
cerr << pthread_self() << ": thread exists\n";
while (1) {
run_lock.lock ();
cerr << pthread_self() << ": thread notes that its waiting\n";
thread_waiting->signal ();
cerr << pthread_self() << ": thread waits to run\n";
thread_run->wait (run_lock);
cerr << pthread_self() << ": silence thread active\n";
if (thread_should_exit) {
thread_waiting->signal ();
run_lock.unlock ();
cerr << pthread_self() << ": silence thread exited\n";
break;
}
if (current) {
StripSilenceDialog* ssd = current;
run_lock.unlock ();
for (std::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);
}
if (!ssd->itt.cancel) {
g_idle_add ((gboolean (*)(void*)) StripSilenceDialog::_detection_done, ssd);
}
}
cerr << pthread_self() << ": silence iteration done\n";
}
return 0;
}
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 */
cerr << "Wait for new thread to be ready\n";
thread_waiting->wait (run_lock);
cerr << "\tits ready\n";
} else {
/* stop whatever the thread is doing */
itt.cancel = 1;
current = 0;
while (!itt.done) {
cerr << "tell existing thread to stop\n";
thread_run->signal ();
cerr << "wait for existing thread to stop\n";
thread_waiting->wait (run_lock);
cerr << "its stopped\n";
}
}
itt.cancel = false;
itt.done = false;
itt.progress = 0.0;
current = this;
/* and start it up (again) */
cerr << "signal thread to run again\n";
thread_run->signal ();
/* change cursor */
get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
/* don't call again until needed */
return false;
}
void
StripSilenceDialog::stop_thread ()
{
Glib::Mutex::Lock lm (run_lock);
itt.cancel = true;
thread_should_exit = true;
thread_run->signal ();
thread_waiting->wait (run_lock);
}

View File

@ -18,6 +18,9 @@
*/
#include <gtkmm/spinbutton.h>
#include <glibmm/thread.h>
#include "ardour/types.h"
#include "ardour_dialog.h"
#include "canvas.h"
@ -44,27 +47,50 @@ public:
return _fade_length.get_value_as_int ();
}
static void stop_thread ();
private:
void create_waves ();
void peaks_ready ();
void canvas_allocation (Gtk::Allocation &);
void update_silence_rects ();
void redraw_silence_rects ();
Gtk::SpinButton _threshold;
Gtk::SpinButton _minimum_length;
Gtk::SpinButton _fade_length;
Gtk::Label _segment_count_label;
struct Wave {
boost::shared_ptr<ARDOUR::AudioRegion> region;
ArdourCanvas::WaveView* view;
std::list<ArdourCanvas::SimpleRect*> silence_rects;
double samples_per_unit;
boost::shared_ptr<ARDOUR::AudioRegion> region;
ArdourCanvas::WaveView* view;
std::list<ArdourCanvas::SimpleRect*> silence_rects;
double samples_per_unit;
std::list<std::pair<ARDOUR::frameoffset_t,ARDOUR::framecnt_t> >silence;
Wave() : view (0), samples_per_unit (1) { }
};
ArdourCanvas::Canvas* _canvas;
std::list<Wave> _waves;
int _wave_width;
int _wave_height;
bool restart_queued;
static ARDOUR::InterThreadInfo itt;
static bool thread_should_exit;
static Glib::Cond *thread_run;
static Glib::Cond *thread_waiting;
static Glib::StaticMutex run_lock;
static StripSilenceDialog* current;
PBD::ScopedConnection _peaks_ready_connection;
static bool _detection_done (void*);
static void* _detection_thread_work (void*);
bool detection_done ();
void* detection_thread_work ();
bool start_silence_detection ();
void maybe_start_silence_detection ();
};