X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_analysis.h;h=9acd491ce96738897dc5ac69b0fc4b6f58262f20;hp=1c668b9c223daa54cbfc91e2bdadc93066148462;hb=422be0eece2bf6ee80db1d3c21553cd82efff789;hpb=cf1e212c30ec7419b96388e4f78b44cb55bf34c5

diff --git a/src/lib/audio_analysis.h b/src/lib/audio_analysis.h
index 1c668b9c2..9acd491ce 100644
--- a/src/lib/audio_analysis.h
+++ b/src/lib/audio_analysis.h
@@ -1,59 +1,112 @@
 /*
-    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
+    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 <http://www.gnu.org/licenses/>.
 
 */
 
-#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>
 
-class AudioPoint
+namespace xmlpp {
+	class Element;
+}
+
+class Playlist;
+
+class AudioAnalysis : public boost::noncopyable
 {
 public:
-	enum Type {
-		PEAK,
-		RMS,
-		COUNT
-	};
+	AudioAnalysis (int c);
+	AudioAnalysis (boost::filesystem::path);
 
-	AudioPoint ();
+	void add_point (int c, AudioPoint const & p);
 
-	void write (std::ostream &) const;
-	
-	float& operator[] (Type t) {
-		return _data[t];
+	void set_sample_peak (float peak, DCPTime time) {
+		_sample_peak = peak;
+		_sample_peak_time = time;
 	}
 
-private:
-	float _data[COUNT];
-};
+	void set_true_peak (float peak) {
+		_true_peak = peak;
+	}
 
-class AudioAnalysis
-{
-public:
-	AudioAnalysis (int c);
+	void set_integrated_loudness (float l) {
+		_integrated_loudness = l;
+	}
 
-	void add_point (int c, AudioPoint const & p);
-	void write (std::string);
+	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;
+
+	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