X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Faudio_content.h;h=cecc8f13d65c1a0875a0dca0f0b2e383a37eb20c;hb=854f2e5bbb7ffb9758b823af87034033033f3cb8;hp=95fd681a7eab2711d8ec0c045587e71cc3420bfd;hpb=ed78fd3d138114185e43edf81ffe91db17377da0;p=dcpomatic.git diff --git a/src/lib/audio_content.h b/src/lib/audio_content.h index 95fd681a7..cecc8f13d 100644 --- a/src/lib/audio_content.h +++ b/src/lib/audio_content.h @@ -1,8 +1,84 @@ +/* + Copyright (C) 2013 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 + 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, + 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. + +*/ + +#ifndef DCPOMATIC_AUDIO_CONTENT_H +#define DCPOMATIC_AUDIO_CONTENT_H + #include "content.h" +#include "audio_mapping.h" + +namespace cxml { + class Node; +} + +class AudioContentProperty +{ +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 : public virtual Content { public: + typedef int64_t Frame; + AudioContent (boost::shared_ptr, DCPTime); + AudioContent (boost::shared_ptr, boost::filesystem::path); + AudioContent (boost::shared_ptr, boost::shared_ptr); + AudioContent (boost::shared_ptr, std::vector >); + + void as_xml (xmlpp::Node *) const; + std::string technical_summary () const; + + virtual int audio_channels () const = 0; + virtual ContentTime audio_length () const = 0; + virtual int content_audio_frame_rate () const = 0; + virtual int output_audio_frame_rate () const = 0; + virtual AudioMapping audio_mapping () const = 0; + virtual void set_audio_mapping (AudioMapping) = 0; + virtual boost::filesystem::path audio_analysis_path () const; + + boost::signals2::connection analyse_audio (boost::function); + void set_audio_gain (float); + void set_audio_delay (int); + + float 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; + } + +private: + /** Gain to apply to audio in dB */ + float _audio_gain; + /** Delay to apply to audio (positive moves audio later) in milliseconds */ + int _audio_delay; }; + +#endif