Allow progressive writes to be encrypted.

[libdcp.git] / src / asset.h

diff --git a/src/asset.h b/src/asset.h
index 4a52e819b8447e90e4332a98fe52057b515e6c2d..c6ff7e830f6971ab2793dd1f26dda28d04792f1b 100644 (file)
--- a/src/asset.h
+++ b/src/asset.h
@@ -27,6 +27,8 @@
 #include <string>
 #include <list>
 #include <boost/filesystem.hpp>
+#include <boost/function.hpp>
+#include <libxml++/libxml++.h>
 #include "types.h"
 
 namespace ASDCP {
@@ -51,37 +53,81 @@ public:
         *  @param directory Directory where our XML or MXF file is.
         *  @param file_name Name of our file within directory, or empty to make one up based on UUID.
         */
-       Asset (std::string directory, std::string file_name = "");
+       Asset (std::string directory, std::string file_name = "", int edit_rate = 0, int intrinsic_duration = 0);
 
        virtual ~Asset() {}
 
        /** Write details of the asset to a CPL AssetList node.
-        *  @param p Parent node.
+        *  @param p Parent element.
+        *  @param i true to use the Interop standard, false for SMPTE.
         */
-       virtual void write_to_cpl (xmlpp::Element* p) const = 0;
+       virtual void write_to_cpl (xmlpp::Element* p, bool i) const = 0;
 
-       /** Write details of the asset to a PKL stream.
-        *  @param s Stream.
+       /** Write details of the asset to a PKL AssetList node.
+        *  @param p Parent node.
         */
-       void write_to_pkl (std::ostream& s) const;
+       void write_to_pkl (xmlpp::Node *) const;
 
        /** Write details of the asset to a ASSETMAP stream.
         *  @param s Stream.
         */
-       void write_to_assetmap (std::ostream& s) const;
+       void write_to_assetmap (xmlpp::Node *) const;
+
+       /** Compute the digest for this asset.  Calling this is optional: if
+        *  it is not called, the digest will be computed when required.  However,
+        *  calling this method allows the caller to see the progress of the
+        *  computation, which can be long for large assets.
+        *  @param Called with progress between 0 and 1.
+        */
+       void compute_digest (boost::function<void (float)> progress);
 
        std::string uuid () const {
                return _uuid;
        }
 
-       virtual bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const = 0;
+       boost::filesystem::path path () const;
+
+       void set_directory (std::string d) {
+               _directory = d;
+       }
+
+       void set_file_name (std::string f) {
+               _file_name = f;
+       }
+
+       int entry_point () const {
+               return _entry_point;
+       }
+
+       int duration () const {
+               return _duration;
+       }
+       
+       int intrinsic_duration () const {
+               return _intrinsic_duration;
+       }
+       
+       int edit_rate () const {
+               return _edit_rate;
+       }
+
+       void set_entry_point (int e) {
+               _entry_point = e;
+       }
+       
+       void set_duration (int d) {
+               _duration = d;
+       }
+
+       void set_intrinsic_duration (int d) {
+               _intrinsic_duration = d;
+       }
+
+       virtual bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)>) const;
 
 protected:
-       friend class PictureAsset;
-       friend class SoundAsset;
        
        std::string digest () const;
-       boost::filesystem::path path () const;
 
        /** Directory that our MXF or XML file is in */
        std::string _directory;
@@ -89,6 +135,14 @@ protected:
        std::string _file_name;
        /** Our UUID */
        std::string _uuid;
+       /** The edit rate; this is normally equal to the number of video frames per second */
+       int _edit_rate;
+       /** Start point to present in frames */
+       int _entry_point;
+       /** Total length in frames */
+       int _intrinsic_duration;
+       /** Length to present in frames */
+       int _duration;
 
 private:       
        /** Digest of our MXF or XML file */