X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fanalyse_audio_job.cc;h=ca0f49f570524499c3f85664b163fa3357bf3b30;hp=769f3762bee98ee214c9972ddb0c6018c0cc8767;hb=da44da6f31f97d39ca91c35955e573e76371f2c2;hpb=be8675cc978fbd52817943e88ea40b81f8a4c9c4 diff --git a/src/lib/analyse_audio_job.cc b/src/lib/analyse_audio_job.cc index 769f3762b..ca0f49f57 100644 --- a/src/lib/analyse_audio_job.cc +++ b/src/lib/analyse_audio_job.cc @@ -1,187 +1,114 @@ /* - Copyright (C) 2012-2015 Carl Hetherington + Copyright (C) 2012-2021 Carl Hetherington - 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 . */ -#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" -extern "C" { -#include -#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG -#include -#endif -} -#include +#include "config.h" #include #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 film, shared_ptr playlist) +/** @param from_zero true to analyse audio from time 0 in the playlist, otherwise begin at Playlist::start */ +AnalyseAudioJob::AnalyseAudioJob (shared_ptr film, shared_ptr playlist, bool from_zero) : Job (film) + , _analyser (film, playlist, from_zero, 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_PATCHED_FFMPEG - , _ebur128 (new AudioFilterGraph (film->audio_frame_rate(), av_get_default_channel_layout(film->audio_channels()))) -#endif + , _path (film->audio_analysis_path(playlist)) { -#ifdef DCPOMATIC_HAVE_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 (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 (new Player (_film, _playlist)); + LOG_DEBUG_AUDIO_ANALYSIS_NC("AnalyseAudioJob::run"); + + auto player = make_shared(_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)); bool has_any_audio = false; - BOOST_FOREACH (shared_ptr c, _playlist->content ()) { - if (dynamic_pointer_cast (c)) { + 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 audio = player->get_audio (t, block, false); -#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG - _ebur128->process (audio); -#endif - analyse (audio); - set_progress ((t.seconds() - start.seconds()) / (length.seconds() - start.seconds())); - } + player->seek (_analyser.start(), true); + while (!player->pass ()) {} } - _analysis->set_sample_peak (_sample_peak, DCPTime::from_frames (_sample_peak_frame, _film->audio_frame_rate ())); + LOG_DEBUG_AUDIO_ANALYSIS_NC("Loop complete"); -#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG - 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)); -#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 ac = dynamic_pointer_cast (_playlist->content().front ()); - DCPOMATIC_ASSERT (ac); - _analysis->set_analysis_gain (ac->audio_gain ()); - } - - _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 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; -}