Merge master.

[dcpomatic.git] / src / lib / content.h

diff --git a/src/lib/content.h b/src/lib/content.h
index a190a393fbe1ad52fadbc9a4bae6b7e0bb618db9..fc3a531faf8293b69d484581810b0ea3fd351801 100644 (file)
--- a/src/lib/content.h
+++ b/src/lib/content.h
@@ -20,12 +20,14 @@
 #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"
+#include "dcpomatic_time.h"
 
 namespace cxml {
        class Node;
@@ -37,60 +39,118 @@ class Film;
 class ContentProperty
 {
 public:
-       static int const START;
+       static int const PATH;
+       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>
+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>);
+       Content (boost::shared_ptr<const Film>, DCPTime);
        Content (boost::shared_ptr<const Film>, boost::filesystem::path);
        Content (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
-       Content (Content const &);
+       Content (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
        virtual ~Content () {}
        
        virtual void examine (boost::shared_ptr<Job>);
        virtual std::string summary () const = 0;
+       /** @return Technical details of this content; these are written to logs to
+        *  help with debugging.
+        */
+       virtual std::string technical_summary () const;
        virtual std::string information () const = 0;
        virtual void as_xml (xmlpp::Node *) const;
-       virtual boost::shared_ptr<Content> clone () const = 0;
-       virtual Time length () const = 0;
+       virtual DCPTime full_length () const = 0;
+       virtual std::string identifier () const;
 
-       boost::filesystem::path file () const {
+       boost::shared_ptr<Content> clone () const;
+
+       void set_path (boost::filesystem::path);
+
+       std::string path_summary () const;
+
+       std::vector<boost::filesystem::path> paths () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _paths;
+       }
+
+       size_t number_of_paths () const {
                boost::mutex::scoped_lock lm (_mutex);
-               return _file;
+               return _paths.size ();
        }
 
-       /** @return MD5 digest of the content's file */
+       boost::filesystem::path path (size_t i) const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _paths[i];
+       }
+       
+       bool paths_valid () const;
+
+       /** @return MD5 digest of the content's file(s) */
        std::string digest () const {
                boost::mutex::scoped_lock lm (_mutex);
                return _digest;
        }
 
-       void set_start (Time);
+       void set_position (DCPTime);
 
-       Time start () const {
+       /** DCPTime that this content starts; i.e. the time that the first
+        *  bit of the content (trimmed or not) will happen.
+        */
+       DCPTime position () const {
                boost::mutex::scoped_lock lm (_mutex);
-               return _start;
+               return _position;
        }
 
-       Time end () const {
-               return start() + length();
+       void set_trim_start (DCPTime);
+
+       DCPTime trim_start () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _trim_start;
        }
 
-       boost::signals2::signal<void (boost::weak_ptr<Content>, int)> Changed;
+       void set_trim_end (DCPTime);
+       
+       DCPTime trim_end () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _trim_end;
+       }
+       
+       DCPTime end () const {
+               return position() + length_after_trim();
+       }
+
+       DCPTime length_after_trim () const;
+       
+       void set_change_signals_frequent (bool f) {
+               _change_signals_frequent = f;
+       }
+
+       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;
 
+       /** Paths of our data files */
+       std::vector<boost::filesystem::path> _paths;
+       
 private:
-       boost::filesystem::path _file;
        std::string _digest;
-       Time _start;
+       DCPTime _position;
+       DCPTime _trim_start;
+       DCPTime _trim_end;
+       bool _change_signals_frequent;
 };
 
 #endif