/*
- Copyright (C) 2012-2015 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_content.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 "filter.h"
-#include "audio_filter_graph.h"
#include "config.h"
-extern "C" {
-#include <libavutil/channel_layout.h>
-#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
-#include <libavfilter/f_ebur128.h>
-#endif
-}
-#include <boost/foreach.hpp>
#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 boost::dynamic_pointer_cast;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using namespace dcpomatic;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
-int const AnalyseAudioJob::_num_points = 1024;
-AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
+/** @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)
- , _done (0)
- , _samples_per_point (1)
- , _current (0)
- , _sample_peak (0)
- , _sample_peak_frame (0)
-#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
- , _ebur128 (new AudioFilterGraph (film->audio_frame_rate(), film->audio_channels()))
-#endif
+ , _path (film->audio_analysis_path(playlist))
+ , _whole_film(whole_film)
{
-#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
- _filters.push_back (new Filter ("ebur128", "ebur128", "audio", "ebur128=peak=true"));
- _ebur128->setup (_filters);
-#endif
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("AnalyseAudioJob::AnalyseAudioJob");
}
+
AnalyseAudioJob::~AnalyseAudioJob ()
{
- BOOST_FOREACH (Filter const * i, _filters) {
- delete const_cast<Filter*> (i);
- }
- delete[] _current;
+ 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<Player> player (new Player (_film, _playlist));
+ 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 ();
-
- DCPTime const start = _playlist->start().get_value_or (DCPTime ());
- DCPTime const length = _playlist->length ();
-
- Frame const len = DCPTime (length - start).frames_round (_film->audio_frame_rate());
- _samples_per_point = max (int64_t (1), len / _num_points);
-
- delete[] _current;
- _current = new AudioPoint[_film->audio_channels ()];
- _analysis.reset (new AudioAnalysis (_film->audio_channels ()));
+ player->Audio.connect (bind(&AudioAnalyser::analyse, &_analyser, _1, _2));
+ if (!_whole_film) {
+ player->set_disable_audio_processor();
+ }
bool has_any_audio = false;
- BOOST_FOREACH (shared_ptr<Content> c, _playlist->content ()) {
+ for (auto c: _playlist->content()) {
if (c->audio) {
has_any_audio = true;
}
}
if (has_any_audio) {
- _done = 0;
- DCPTime const block = DCPTime::from_seconds (1.0 / 8);
- for (DCPTime t = start; t < length; t += block) {
- shared_ptr<const AudioBuffers> audio = player->get_audio (t, block, false);
-#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
- if (Config::instance()->analyse_ebur128 ()) {
- _ebur128->process (audio);
- }
-#endif
- analyse (audio);
- set_progress ((t.seconds() - start.seconds()) / (length.seconds() - start.seconds()));
- }
- }
-
- _analysis->set_sample_peak (_sample_peak, DCPTime::from_frames (_sample_peak_frame, _film->audio_frame_rate ()));
-
-#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
- if (Config::instance()->analyse_ebur128 ()) {
- void* eb = _ebur128->get("Parsed_ebur128_0")->priv;
- double true_peak = 0;
- for (int i = 0; i < _film->audio_channels(); ++i) {
- true_peak = max (true_peak, av_ebur128_get_true_peaks(eb)[i]);
- }
- _analysis->set_true_peak (true_peak);
- _analysis->set_integrated_loudness (av_ebur128_get_integrated_loudness(eb));
- _analysis->set_loudness_range (av_ebur128_get_loudness_range(eb));
+ player->seek (_analyser.start(), true);
+ while (!player->pass ()) {}
}
-#endif
- if (_playlist->content().size() == 1) {
- /* If there was only one piece of content in this analysis we may later need to know what its
- gain was when we analysed it.
- */
- shared_ptr<const AudioContent> ac = _playlist->content().front()->audio;
- DCPOMATIC_ASSERT (ac);
- _analysis->set_analysis_gain (ac->audio_gain ());
- }
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("Loop complete");
- _analysis->write (_film->audio_analysis_path (_playlist));
+ _analyser.finish ();
+ auto analysis = _analyser.get();
+ analysis.write (_path);
+ LOG_DEBUG_AUDIO_ANALYSIS_NC("Job finished");
set_progress (1);
set_state (FINISHED_OK);
}
-
-void
-AnalyseAudioJob::analyse (shared_ptr<const AudioBuffers> b)
-{
- int const frames = b->frames ();
- int const channels = b->channels ();
-
- for (int j = 0; j < channels; ++j) {
- float* data = b->data(j);
- for (int i = 0; i < frames; ++i) {
- float s = data[i];
- float as = fabsf (s);
- if (as < 10e-7) {
- /* SafeStringStream can't serialise and recover inf or -inf, so prevent such
- values by replacing with this (140dB down) */
- s = as = 10e-7;
- }
- _current[j][AudioPoint::RMS] += pow (s, 2);
- _current[j][AudioPoint::PEAK] = max (_current[j][AudioPoint::PEAK], as);
-
- if (as > _sample_peak) {
- _sample_peak = as;
- _sample_peak_frame = _done + i;
- }
-
- if (((_done + i) % _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 ();
- }
- }
- }
-
- _done += frames;
-}
projects / dcpomatic.git / blobdiff