X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_analysis.h;h=865d647816e00ebcb6a8dac6c617db936ddd2329;hb=78dd04db5ee5d1aa5fc915f04dc71cb53d33d059;hp=1c668b9c223daa54cbfc91e2bdadc93066148462;hpb=cf1e212c30ec7419b96388e4f78b44cb55bf34c5;p=dcpomatic.git diff --git a/src/lib/audio_analysis.h b/src/lib/audio_analysis.h index 1c668b9c2..865d64781 100644 --- a/src/lib/audio_analysis.h +++ b/src/lib/audio_analysis.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington 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 @@ -17,12 +17,19 @@ */ -#ifndef DVDOMATIC_AUDIO_ANALYSIS_H -#define DVDOMATIC_AUDIO_ANALYSIS_H +/** @file src/lib/audio_analysis.h + * @brief AudioAnalysis and AudioPoint classes. + */ -#include +#ifndef DCPOMATIC_AUDIO_ANALYSIS_H +#define DCPOMATIC_AUDIO_ANALYSIS_H + +#include #include +/** @class AudioPoint + * @brief A single point of an audio analysis for one portion of one channel. + */ class AudioPoint { public: @@ -33,10 +40,13 @@ public: }; AudioPoint (); + AudioPoint (FILE *); + AudioPoint (AudioPoint const &); + AudioPoint& operator= (AudioPoint const &); - void write (std::ostream &) const; + void write (FILE *) const; - float& operator[] (Type t) { + float& operator[] (int t) { return _data[t]; } @@ -44,13 +54,27 @@ private: float _data[COUNT]; }; -class AudioAnalysis +/** @class AudioAnalysis + * @brief An analysis of the audio data in a piece of AudioContent. + * + * This is a set of AudioPoints for each channel. The AudioPoints + * each represent some measurement of the audio over a portion of the + * content. For example each AudioPoint may give the RMS level of + * a 1-minute portion of the audio. + */ +class AudioAnalysis : public boost::noncopyable { public: AudioAnalysis (int c); + AudioAnalysis (boost::filesystem::path); void add_point (int c, AudioPoint const & p); - void write (std::string); + + AudioPoint get_point (int c, int p) const; + int points (int c) const; + int channels () const; + + void write (boost::filesystem::path); private: std::vector > _data;