/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
-#ifndef DVDOMATIC_AUDIO_ANALYSIS_H
-#define DVDOMATIC_AUDIO_ANALYSIS_H
+#ifndef DCPOMATIC_AUDIO_ANALYSIS_H
+#define DCPOMATIC_AUDIO_ANALYSIS_H
-#include <iostream>
+#include "dcpomatic_time.h"
+#include "audio_point.h"
+#include <libcxml/cxml.h>
+#include <boost/optional.hpp>
+#include <boost/filesystem.hpp>
#include <vector>
-#include <list>
-class AudioPoint
-{
-public:
- enum Type {
- PEAK,
- RMS,
- COUNT
- };
-
- AudioPoint ();
- AudioPoint (std::istream &);
-
- void write (std::ostream &) const;
-
- float& operator[] (int t) {
- return _data[t];
- }
+namespace xmlpp {
+ class Element;
+}
-private:
- float _data[COUNT];
-};
+class Playlist;
-class AudioAnalysis
+class AudioAnalysis : public boost::noncopyable
{
public:
AudioAnalysis (int c);
- AudioAnalysis (std::string);
+ AudioAnalysis (boost::filesystem::path);
void add_point (int c, AudioPoint const & p);
-
+
+ void set_sample_peak (float peak, DCPTime time) {
+ _sample_peak = peak;
+ _sample_peak_time = time;
+ }
+
+ void set_true_peak (float peak) {
+ _true_peak = peak;
+ }
+
+ void set_integrated_loudness (float l) {
+ _integrated_loudness = l;
+ }
+
+ void set_loudness_range (float r) {
+ _loudness_range = r;
+ }
+
AudioPoint get_point (int c, int p) const;
int points (int c) const;
int channels () const;
- void write (std::string);
+ boost::optional<float> sample_peak () const {
+ return _sample_peak;
+ }
+
+ boost::optional<DCPTime> sample_peak_time () const {
+ return _sample_peak_time;
+ }
+
+ boost::optional<float> true_peak () const {
+ return _true_peak;
+ }
+
+ boost::optional<float> integrated_loudness () const {
+ return _integrated_loudness;
+ }
+
+ boost::optional<float> loudness_range () const {
+ return _loudness_range;
+ }
+
+ boost::optional<double> analysis_gain () const {
+ return _analysis_gain;
+ }
+
+ void set_analysis_gain (double gain) {
+ _analysis_gain = gain;
+ }
+
+ void write (boost::filesystem::path);
+
+ float gain_correction (boost::shared_ptr<const Playlist> playlist);
private:
std::vector<std::vector<AudioPoint> > _data;
+ boost::optional<float> _sample_peak;
+ boost::optional<DCPTime> _sample_peak_time;
+ boost::optional<float> _true_peak;
+ boost::optional<float> _integrated_loudness;
+ boost::optional<float> _loudness_range;
+ /** If this analysis was run on a single piece of
+ * content we store its gain in dB when the analysis
+ * happened.
+ */
+ boost::optional<double> _analysis_gain;
};
#endif