More licence fixups.

[libdcp.git] / src / reel_asset.h

diff --git a/src/reel_asset.h b/src/reel_asset.h
index 47bae6752dc7d29dd76abe92dc74f209ab7e4cfe..a90436a80947e06c0d8acefd5af6258a972352e9 100644 (file)
--- a/src/reel_asset.h
+++ b/src/reel_asset.h
@@ -1,20 +1,20 @@
 /*
     Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of libdcp.
+
+    libdcp 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,
+    libdcp 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.
-
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 /** @file  src/reel_asset.h
@@ -46,7 +46,7 @@ class Asset;
  *
  *  This class encapsulates the XML that exists in a &lt;Reel&gt; to say
  *  that a piece of content is used in this reel.  It does not
- *  describe the content itself (but links to a Content object which does).
+ *  describe the content itself (but links to an Asset object which does).
  */
 class ReelAsset : public Object
 {
@@ -59,10 +59,23 @@ public:
        virtual bool equals (boost::shared_ptr<const ReelAsset>, EqualityOptions, NoteHandler) const;
 
        /** @return a Ref to our actual asset */
-       Ref<Asset>& asset_ref () {
+       Ref const & asset_ref () const {
+               return _asset_ref;
+       }
+
+       /** @return a Ref to our actual asset */
+       Ref & asset_ref () {
                return _asset_ref;
        }
 
+       Fraction edit_rate () const {
+               return _edit_rate;
+       }
+
+       int64_t intrinsic_duration () const {
+               return _intrinsic_duration;
+       }
+
        int64_t entry_point () const {
                return _entry_point;
        }
@@ -72,6 +85,17 @@ public:
        }
 
 protected:
+
+       template <class T>
+       boost::shared_ptr<T> asset_of_type () const {
+               return boost::dynamic_pointer_cast<T> (_asset_ref.asset ());
+       }
+
+       template <class T>
+       boost::shared_ptr<T> asset_of_type () {
+               return boost::dynamic_pointer_cast<T> (_asset_ref.asset ());
+       }
+
        /** @return the node name that this asset uses in the CPL's &lt;Reel&gt; node
         *  e.g. MainPicture, MainSound etc.
         */
@@ -85,7 +109,7 @@ protected:
        /** Reference to the asset (MXF or XML file) that this reel entry
         *  applies to.
         */
-       Ref<Asset> _asset_ref;
+       Ref _asset_ref;
 
 private:
        std::string _annotation_text; ///< The &lt;AnnotationText&gt; from the reel's entry for this asset