X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_content.h;h=336a98629bae47b103cdb0d3d88e15ced581cfaa;hb=4e411ea97b4dab8a5fa282d1d4cf7971ef1e24ad;hp=2362786d951cc8c25eebcf23b958a5db3ccca88d;hpb=f90e90cdec39c7959c26e8199ee2170cedb4f256;p=dcpomatic.git diff --git a/src/lib/audio_content.h b/src/lib/audio_content.h index 2362786d9..336a98629 100644 --- a/src/lib/audio_content.h +++ b/src/lib/audio_content.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2013 Carl Hetherington + Copyright (C) 2013-2014 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 @@ -17,11 +17,15 @@ */ +/** @file src/lib/audio_content.h + * @brief AudioContent and AudioContentProperty classes. + */ + #ifndef DCPOMATIC_AUDIO_CONTENT_H #define DCPOMATIC_AUDIO_CONTENT_H #include "content.h" -#include "util.h" +#include "audio_mapping.h" namespace cxml { class Node; @@ -33,18 +37,59 @@ public: static int const AUDIO_CHANNELS; static int const AUDIO_LENGTH; static int const AUDIO_FRAME_RATE; + static int const AUDIO_GAIN; + static int const AUDIO_DELAY; + static int const AUDIO_MAPPING; }; +/** @class AudioContent + * @brief Parent class for content which may contain audio data. + */ class AudioContent : public virtual Content { public: - AudioContent (boost::filesystem::path); - AudioContent (boost::shared_ptr); - AudioContent (AudioContent const &); + typedef int64_t Frame; + + AudioContent (boost::shared_ptr, DCPTime); + AudioContent (boost::shared_ptr, boost::filesystem::path); + AudioContent (boost::shared_ptr, cxml::ConstNodePtr); + AudioContent (boost::shared_ptr, std::vector >); + + void as_xml (xmlpp::Node *) const; + std::string technical_summary () const; + + /** @return number of audio channels in the content */ + virtual int audio_channels () const = 0; + /** @return the length of the audio in the content */ + virtual ContentTime audio_length () const = 0; + /** @return the frame rate of the content */ + virtual int audio_frame_rate () const = 0; + virtual AudioMapping audio_mapping () const = 0; + virtual void set_audio_mapping (AudioMapping); + virtual boost::filesystem::path audio_analysis_path () const; + + int resampled_audio_frame_rate () const; + + boost::signals2::connection analyse_audio (boost::function); + + void set_audio_gain (double); + void set_audio_delay (int); + + double audio_gain () const { + boost::mutex::scoped_lock lm (_mutex); + return _audio_gain; + } + + int audio_delay () const { + boost::mutex::scoped_lock lm (_mutex); + return _audio_delay; + } - virtual int audio_channels () const = 0; - virtual ContentAudioFrame audio_length () const = 0; - virtual int audio_frame_rate () const = 0; +private: + /** Gain to apply to audio in dB */ + double _audio_gain; + /** Delay to apply to audio (positive moves audio later) in milliseconds */ + int _audio_delay; }; #endif