2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/lib/analyse_audio_job.h
21 * @brief AnalyseAudioJob class.
25 #include "audio_point.h"
32 class AudioFilterGraph;
35 /** @class AnalyseAudioJob
36 * @brief A job to analyse the audio of a film and make a note of its
37 * broad peak and RMS levels.
39 * After computing the peak and RMS levels the job will write a file
40 * to Film::audio_analysis_path.
42 class AnalyseAudioJob : public Job
45 AnalyseAudioJob (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
48 std::string name () const;
49 std::string json_name () const;
52 boost::shared_ptr<const Playlist> playlist () const {
57 void analyse (boost::shared_ptr<const AudioBuffers>);
59 boost::shared_ptr<const Playlist> _playlist;
62 int64_t _samples_per_point;
66 Frame _sample_peak_frame;
68 boost::shared_ptr<AudioAnalysis> _analysis;
70 boost::shared_ptr<AudioFilterGraph> _ebur128;
71 std::vector<Filter const *> _filters;
73 static const int _num_points;