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/*
Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
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.
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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "analyse_audio_job.h"
#include "audio_analysis.h"
#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::cout;
using std::dynamic_pointer_cast;
using std::make_shared;
using std::max;
using std::min;
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("AnalyseAudioJob::AnalyseAudioJob");
}
AnalyseAudioJob::~AnalyseAudioJob()
{
stop_thread();
}
string
AnalyseAudioJob::name() const
{
return _("Analysing audio");
}
string
AnalyseAudioJob::json_name() const
{
return N_("analyse_audio");
}
void
AnalyseAudioJob::run()
{
LOG_DEBUG_AUDIO_ANALYSIS("AnalyseAudioJob::run");
auto player = make_shared<Player>(_film, _playlist, false);
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();
}
bool has_any_audio = false;
for (auto c: _playlist->content()) {
if (c->audio) {
has_any_audio = true;
}
}
if (has_any_audio) {
player->seek(_analyser.start(), true);
while (!player->pass()) {}
}
LOG_DEBUG_AUDIO_ANALYSIS("Loop complete");
_analyser.finish();
auto analysis = _analyser.get();
analysis.write(_path);
LOG_DEBUG_AUDIO_ANALYSIS("Job finished");
set_progress(1);
set_state(FINISHED_OK);
}
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