Some comments.

[libdcp.git] / src / dcp.h

diff --git a/src/dcp.h b/src/dcp.h
index 8c13c50502cde71d4fbc4e80f4095add858a3cce..fb3bd751e7b5949a119308ec3a4fc49086a3d5b1 100644 (file)
--- a/src/dcp.h
+++ b/src/dcp.h
@@ -39,15 +39,21 @@ namespace libdcp
 {
 
 class Asset;   
+class PictureAsset;
+class SoundAsset;
+class SubtitleAsset;
 
 /** @class DCP dcp.h libdcp/dcp.h
- *  @brief A class to create a DCP.
+ *  @brief A class to create or read a DCP.
  */
        
 class DCP
 {
 public:
        /** Construct a DCP.
+        *
+        *  This is for making a new DCP that you are going to add assets to.
+        *
         *  @param directory Directory to write files to.
         *  @param name Name.
         *  @param content_kind Content kind.
@@ -56,6 +62,13 @@ public:
         */
        DCP (std::string directory, std::string name, ContentKind content_kind, int fps, int length);
 
+       /** Construct a DCP object for an existing DCP.
+        *
+        *  The DCP's XML metadata will be examined, and you can then look at the contents
+        *  of the DCP.
+        *
+        *  @param directory Existing DCP's directory.
+        */
        DCP (std::string directory);
 
        /** Add a sound asset.
@@ -90,6 +103,45 @@ public:
         */
        void write_xml () const;
 
+       /** @return the DCP's name, as will be presented on projector
+        *  media servers and theatre management systems.
+        */
+       std::string name () const {
+               return _name;
+       }
+
+       /** @return the type of the content, used by media servers
+        *  to categorise things (e.g. feature, trailer, etc.)
+        */
+       ContentKind content_kind () const {
+               return _content_kind;
+       }
+
+       /** @return the number of frames per second */
+       int frames_per_second () const {
+               return _fps;
+       }
+
+       /** @return the length in frames */
+       int length () const {
+               return _length;
+       }
+
+       /** @return the main picture asset, if one exists, otherwise 0 */
+       boost::shared_ptr<const PictureAsset> picture_asset () const;
+       /** @return the main sound asset, if one exists, otherwise 0 */
+       boost::shared_ptr<const SoundAsset> sound_asset () const;
+       /** @return the main subtitle asset, if one exists, otherwise 0 */
+       boost::shared_ptr<const SubtitleAsset> subtitle_asset () const;
+
+       /** Compare this DCP with another, according to various options.
+        *  @param other DCP to compare this one to.
+        *  @param options Options to define just what "equality" means.
+        *  @return An empty list if the DCPs are equal; otherwise a list of messages
+        *  which explain the ways in which they differ.
+        */
+       std::list<std::string> equals (DCP const & other, EqualityOptions options) const;
+
        /** Emitted with a parameter between 0 and 1 to indicate progress
         *  for long jobs.
         */
@@ -122,6 +174,15 @@ private:
         */
        void write_assetmap (std::string cpl_uuid, int cpl_length, std::string pkl_uuid, int pkl_length) const;
 
+       struct Files {
+               std::string cpl;
+               std::string pkl;
+               std::string asset_map;
+               std::list<std::string> subtitles;
+       };
+
+       void scan (Files& files, std::string directory) const;
+
        /** the directory that we are writing to */
        std::string _directory;
        /** the name of the DCP */