Merge branch 'master' of ssh://git.carlh.net/home/carl/git/dcpomatic

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

diff --git a/src/lib/film.h b/src/lib/film.h
index b77ce7a7651099dfd4334381002613b824207af4..e1260f26aae5083a6378830083f579a458e8162f 100644 (file)
--- a/src/lib/film.h
+++ b/src/lib/film.h
@@ -36,7 +36,9 @@
 #include <dcp/encrypted_kdm.h>
 #include <boost/signals2.hpp>
 #include <boost/enable_shared_from_this.hpp>
+#include <boost/thread.hpp>
 #include <boost/filesystem.hpp>
+#include <boost/thread/mutex.hpp>
 #include <string>
 #include <vector>
 #include <inttypes.h>
@@ -56,8 +58,32 @@ class AudioMapping;
 class Ratio;
 class Job;
 class ScreenKDM;
+class Film;
 struct isdcf_name_test;
 
+class InfoFileHandle
+{
+public:
+       ~InfoFileHandle ();
+
+       FILE* get () const {
+               return _handle;
+       }
+
+       boost::filesystem::path file () const {
+               return _file;
+       }
+
+private:
+       friend class Film;
+
+       InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read);
+
+       boost::mutex::scoped_lock _lock;
+       FILE* _handle;
+       boost::filesystem::path _file;
+};
+
 /** @class Film
  *
  *  @brief A representation of some audio and video content, and details of
@@ -71,7 +97,7 @@ public:
        explicit Film (boost::optional<boost::filesystem::path> dir);
        ~Film ();
 
-       boost::filesystem::path info_file (DCPTimePeriod p) const;
+       boost::shared_ptr<InfoFileHandle> info_file_handle (DCPTimePeriod period, bool read) const;
        boost::filesystem::path j2c_path (int, Frame, Eyes, bool) const;
        boost::filesystem::path internal_video_asset_dir () const;
        boost::filesystem::path internal_video_asset_filename (DCPTimePeriod p) const;
@@ -345,6 +371,8 @@ private:
        friend struct ::isdcf_name_test;
        template <typename> friend class ChangeSignaller;
 
+       boost::filesystem::path info_file (DCPTimePeriod p) const;
+
        void signal_change (ChangeType, Property);
        void signal_change (ChangeType, int);
        std::string video_identifier () const;
@@ -415,6 +443,8 @@ private:
        boost::shared_ptr<Film> _template_film;
 
 
+       mutable boost::mutex _info_file_mutex;
+
        boost::signals2::scoped_connection _playlist_change_connection;
        boost::signals2::scoped_connection _playlist_order_changed_connection;
        boost::signals2::scoped_connection _playlist_content_change_connection;