/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "audio_analysis.h"
-#include "audio_buffers.h"
+
#include "analyse_audio_job.h"
+#include "audio_analysis.h"
#include "compose.hpp"
+#include "dcpomatic_log.h"
#include "film.h"
+#include "filter.h"
#include "player.h"
+#include "playlist.h"
+#include "config.h"
+#include <iostream>
#include "i18n.h"
-using std::string;
+
+using std::cout;
+using std::dynamic_pointer_cast;
+using std::make_shared;
using std::max;
using std::min;
-using std::cout;
-using boost::shared_ptr;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using namespace dcpomatic;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
+
+
+/** @param whole_film true to analyse the whole film' audio (i.e. start from time 0 and use processors), false
+ * to analyse just the single piece of content in the playlist (i.e. start from Playlist::start() and do not
+ * use processors.
+ */
+AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist, bool whole_film)
+ : Job (film)
+ , _analyser(film, playlist, whole_film, boost::bind(&Job::set_progress, this, _1, false))
+ , _playlist (playlist)
+ , _path (film->audio_analysis_path(playlist))
+ , _whole_film(whole_film)
+{
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("AnalyseAudioJob::AnalyseAudioJob");
+}
-int const AnalyseAudioJob::_num_points = 1024;
-AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> f, shared_ptr<AudioContent> c)
- : Job (f)
- , _content (c)
- , _done (0)
- , _samples_per_point (1)
+AnalyseAudioJob::~AnalyseAudioJob ()
{
-
+ stop_thread ();
}
+
string
AnalyseAudioJob::name () const
{
- return _("Analyse audio");
+ return _("Analysing audio");
+}
+
+
+string
+AnalyseAudioJob::json_name () const
+{
+ return N_("analyse_audio");
}
+
void
AnalyseAudioJob::run ()
{
- shared_ptr<AudioContent> content = _content.lock ();
- if (!content) {
- return;
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("AnalyseAudioJob::run");
+
+ auto player = make_shared<Player>(_film, _playlist);
+ player->set_ignore_video ();
+ player->set_ignore_text ();
+ player->set_fast ();
+ player->set_play_referenced ();
+ player->Audio.connect (bind(&AudioAnalyser::analyse, &_analyser, _1, _2));
+ if (!_whole_film) {
+ player->set_disable_audio_processor();
}
- shared_ptr<Playlist> playlist (new Playlist);
- playlist->add (content);
- shared_ptr<Player> player (new Player (_film, playlist));
-
- int64_t const len = _film->length().frames (_film->audio_frame_rate());
- _samples_per_point = max (int64_t (1), len / _num_points);
-
- _current.resize (_film->audio_channels ());
- _analysis.reset (new AudioAnalysis (_film->audio_channels ()));
-
- _done = 0;
- DCPTime const block = DCPTime::from_seconds (1.0 / 8);
- for (DCPTime t; t < _film->length(); t += block) {
- analyse (player->get_audio (t, block, false));
- set_progress (t.seconds() / _film->length().seconds());
+ bool has_any_audio = false;
+ for (auto c: _playlist->content()) {
+ if (c->audio) {
+ has_any_audio = true;
+ }
}
- _analysis->write (content->audio_analysis_path ());
-
- set_progress (1);
- set_state (FINISHED_OK);
-}
+ if (has_any_audio) {
+ player->seek (_analyser.start(), true);
+ while (!player->pass ()) {}
+ }
-void
-AnalyseAudioJob::analyse (shared_ptr<const AudioBuffers> b)
-{
- for (int i = 0; i < b->frames(); ++i) {
- for (int j = 0; j < b->channels(); ++j) {
- float s = b->data(j)[i];
- if (fabsf (s) < 10e-7) {
- /* SafeStringStream can't serialise and recover inf or -inf, so prevent such
- values by replacing with this (140dB down) */
- s = 10e-7;
- }
- _current[j][AudioPoint::RMS] += pow (s, 2);
- _current[j][AudioPoint::PEAK] = max (_current[j][AudioPoint::PEAK], fabsf (s));
-
- if ((_done % _samples_per_point) == 0) {
- _current[j][AudioPoint::RMS] = sqrt (_current[j][AudioPoint::RMS] / _samples_per_point);
- _analysis->add_point (j, _current[j]);
-
- _current[j] = AudioPoint ();
- }
- }
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("Loop complete");
- ++_done;
- }
-}
+ _analyser.finish ();
+ auto analysis = _analyser.get();
+ analysis.write (_path);
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("Job finished");
+ set_progress (1);
+ set_state (FINISHED_OK);
+}
projects / dcpomatic.git / blobdiff