140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
/*
|
|
* Copyright (C) 2008-2012 David Robillard <d@drobilla.net>
|
|
* Copyright (C) 2008-2016 Paul Davis <paul@linuxaudiosystems.com>
|
|
* Copyright (C) 2008 Nick Mainsbridge <mainsbridge@gmail.com>
|
|
* Copyright (C) 2015-2016 Robin Gareus <robin@gareus.org>
|
|
*
|
|
* 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 "ardour/analyser.h"
|
|
#include "ardour/audiofilesource.h"
|
|
#include "ardour/rc_configuration.h"
|
|
#include "ardour/session_event.h"
|
|
#include "ardour/transient_detector.h"
|
|
|
|
#include "pbd/compose.h"
|
|
#include "pbd/error.h"
|
|
#include "pbd/pthread_utils.h"
|
|
|
|
#include "pbd/i18n.h"
|
|
|
|
using namespace std;
|
|
using namespace ARDOUR;
|
|
using namespace PBD;
|
|
|
|
Analyser* Analyser::the_analyser = 0;
|
|
Glib::Threads::Mutex Analyser::analysis_active_lock;
|
|
Glib::Threads::Mutex Analyser::analysis_queue_lock;
|
|
Glib::Threads::Cond Analyser::SourcesToAnalyse;
|
|
list<boost::weak_ptr<Source> > Analyser::analysis_queue;
|
|
|
|
Analyser::Analyser ()
|
|
{
|
|
|
|
}
|
|
|
|
Analyser::~Analyser ()
|
|
{
|
|
}
|
|
|
|
static void
|
|
analyser_work ()
|
|
{
|
|
pthread_set_name ("Analyzer");
|
|
Analyser::work ();
|
|
}
|
|
|
|
void
|
|
Analyser::init ()
|
|
{
|
|
Glib::Threads::Thread::create (sigc::ptr_fun (analyser_work));
|
|
}
|
|
|
|
void
|
|
Analyser::queue_source_for_analysis (boost::shared_ptr<Source> src, bool force)
|
|
{
|
|
if (!src->can_be_analysed()) {
|
|
return;
|
|
}
|
|
|
|
if (!force && src->has_been_analysed()) {
|
|
return;
|
|
}
|
|
|
|
Glib::Threads::Mutex::Lock lm (analysis_queue_lock);
|
|
analysis_queue.push_back (boost::weak_ptr<Source>(src));
|
|
SourcesToAnalyse.broadcast ();
|
|
}
|
|
|
|
void
|
|
Analyser::work ()
|
|
{
|
|
SessionEvent::create_per_thread_pool ("Analyser", 64);
|
|
|
|
while (true) {
|
|
analysis_queue_lock.lock ();
|
|
|
|
wait:
|
|
if (analysis_queue.empty()) {
|
|
SourcesToAnalyse.wait (analysis_queue_lock);
|
|
}
|
|
|
|
if (analysis_queue.empty()) {
|
|
goto wait;
|
|
}
|
|
|
|
boost::shared_ptr<Source> src (analysis_queue.front().lock());
|
|
analysis_queue.pop_front();
|
|
analysis_queue_lock.unlock ();
|
|
|
|
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
|
|
|
|
if (afs && !afs->empty()) {
|
|
Glib::Threads::Mutex::Lock lm (analysis_active_lock);
|
|
analyse_audio_file_source (afs);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Analyser::analyse_audio_file_source (boost::shared_ptr<AudioFileSource> src)
|
|
{
|
|
AnalysisFeatureList results;
|
|
|
|
try {
|
|
TransientDetector td (src->sample_rate());
|
|
td.set_sensitivity (3, Config->get_transient_sensitivity()); // "General purpose"
|
|
if (td.run (src->get_transients_path(), src.get(), 0, results) == 0) {
|
|
src->set_been_analysed (true);
|
|
} else {
|
|
src->set_been_analysed (false);
|
|
}
|
|
} catch (...) {
|
|
error << string_compose(_("Transient Analysis failed for %1."), _("Audio File Source")) << endmsg;;
|
|
src->set_been_analysed (false);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
Analyser::flush ()
|
|
{
|
|
Glib::Threads::Mutex::Lock lq (analysis_queue_lock);
|
|
Glib::Threads::Mutex::Lock la (analysis_active_lock);
|
|
analysis_queue.clear();
|
|
}
|