Factor out checking of a single picture frame's hash.
[dcpomatic.git] / src / lib / audio_analysis.h
index 6c0be69873f2b2b1bcd7d81bca83498e4a54d424..9594534960a311aa2fdac83d2d6d1ca98e32d584 100644 (file)
@@ -21,6 +21,7 @@
 #define DCPOMATIC_AUDIO_ANALYSIS_H
 
 #include "dcpomatic_time.h"
+#include "audio_point.h"
 #include <libcxml/cxml.h>
 #include <boost/optional.hpp>
 #include <boost/filesystem.hpp>
@@ -30,29 +31,7 @@ namespace xmlpp {
        class Element;
 }
 
-class AudioPoint
-{
-public:
-       enum Type {
-               PEAK,
-               RMS,
-               COUNT
-       };
-
-       AudioPoint ();
-       AudioPoint (cxml::ConstNodePtr node);
-       AudioPoint (AudioPoint const &);
-       AudioPoint& operator= (AudioPoint const &);
-
-       void as_xml (xmlpp::Element *) const;
-
-       float& operator[] (int t) {
-               return _data[t];
-       }
-
-private:
-       float _data[COUNT];
-};
+class Playlist;
 
 class AudioAnalysis : public boost::noncopyable
 {
@@ -61,21 +40,46 @@ public:
        AudioAnalysis (boost::filesystem::path);
 
        void add_point (int c, AudioPoint const & p);
-       void set_peak (float peak, DCPTime time) {
-               _peak = peak;
-               _peak_time = time;
+
+       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;
 
-       boost::optional<float> peak () const {
-               return _peak;
+       boost::optional<float> sample_peak () const {
+               return _sample_peak;
+       }
+
+       boost::optional<DCPTime> sample_peak_time () const {
+               return _sample_peak_time;
        }
 
-       boost::optional<DCPTime> peak_time () const {
-               return _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 {
@@ -88,10 +92,15 @@ public:
 
        void write (boost::filesystem::path);
 
+       float gain_correction (boost::shared_ptr<const Playlist> playlist);
+
 private:
        std::vector<std::vector<AudioPoint> > _data;
-       boost::optional<float> _peak;
-       boost::optional<DCPTime> _peak_time;
+       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.