2 Copyright (C) 2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "audio_analysis.h"
23 #include "dcpomatic_time.h"
26 #include <boost/scoped_ptr.hpp>
32 class AudioFilterGraph;
42 AudioAnalyser (std::shared_ptr<const Film> film, std::shared_ptr<const Playlist> playlist, bool from_zero, std::function<void (float)> set_progress);
45 AudioAnalyser (AudioAnalyser const&) = delete;
46 AudioAnalyser& operator= (AudioAnalyser const&) = delete;
48 void analyse (std::shared_ptr<AudioBuffers>, dcpomatic::DCPTime time);
50 dcpomatic::DCPTime start () const {
56 AudioAnalysis get () const {
61 std::shared_ptr<const Film> _film;
62 std::shared_ptr<const Playlist> _playlist;
64 std::function<void (float)> _set_progress;
66 dcpomatic::DCPTime _start;
67 #ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
68 std::shared_ptr<AudioFilterGraph> _ebur128;
70 std::vector<Filter const *> _filters;
71 Frame _samples_per_point = 1;
73 boost::scoped_ptr<leqm_nrt::Calculator> _leqm;
75 std::vector<float> _sample_peak;
76 std::vector<Frame> _sample_peak_frame;
77 std::vector<AudioPoint> _current;
79 AudioAnalysis _analysis;