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Diffstat (limited to 'src/lib/content.h')
| -rw-r--r-- | src/lib/content.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/lib/content.h b/src/lib/content.h new file mode 100644 index 000000000..3c57dddbe --- /dev/null +++ b/src/lib/content.h @@ -0,0 +1,133 @@ +/* + Copyright (C) 2013 Carl Hetherington <cth@carlh.net> + + 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_CONTENT_H +#define DCPOMATIC_CONTENT_H + +#include <set> +#include <boost/filesystem.hpp> +#include <boost/signals2.hpp> +#include <boost/thread/mutex.hpp> +#include <boost/enable_shared_from_this.hpp> +#include <libxml++/libxml++.h> +#include "types.h" + +namespace cxml { + class Node; +} + +class Job; +class Film; + +class ContentProperty +{ +public: + static int const POSITION; + static int const LENGTH; + static int const TRIM_START; + static int const TRIM_END; +}; + +class Content : public boost::enable_shared_from_this<Content>, public boost::noncopyable +{ +public: + Content (boost::shared_ptr<const Film>, Time); + Content (boost::shared_ptr<const Film>, boost::filesystem::path); + Content (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>); + virtual ~Content () {} + + virtual void examine (boost::shared_ptr<Job>); + virtual std::string summary () const = 0; + virtual std::string technical_summary () const; + virtual std::string information () const = 0; + virtual void as_xml (xmlpp::Node *) const; + virtual Time full_length () const = 0; + + boost::shared_ptr<Content> clone () const; + + boost::filesystem::path path () const { + boost::mutex::scoped_lock lm (_mutex); + return _path; + } + + /** @return MD5 digest of the content's file(s) */ + std::string digest () const { + boost::mutex::scoped_lock lm (_mutex); + return _digest; + } + + void set_position (Time); + + /** Time that this content starts; i.e. the time that the first + * bit of the content (trimmed or not) will happen. + */ + Time position () const { + boost::mutex::scoped_lock lm (_mutex); + return _position; + } + + void set_trim_start (Time); + + Time trim_start () const { + boost::mutex::scoped_lock lm (_mutex); + return _trim_start; + } + + void set_trim_end (Time); + + Time trim_end () const { + boost::mutex::scoped_lock lm (_mutex); + return _trim_end; + } + + Time end () const { + return position() + length_after_trim(); + } + + Time length_after_trim () const; + + void set_change_signals_frequent (bool f) { + _change_signals_frequent = f; + } + + bool trimmed (Time) const; + + boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> Changed; + +protected: + void signal_changed (int); + + boost::weak_ptr<const Film> _film; + + /** _mutex which should be used to protect accesses, as examine + jobs can update content state in threads other than the main one. + */ + mutable boost::mutex _mutex; + +private: + /** Path of a file or a directory containing files */ + boost::filesystem::path _path; + std::string _digest; + Time _position; + Time _trim_start; + Time _trim_end; + bool _change_signals_frequent; +}; + +#endif |
