Allow progressive writes to be encrypted.

[libdcp.git] / src / asset.h

diff --git a/src/asset.h b/src/asset.h
index 44d088a3121695f9bba809fa0775c3f396b398b0..c6ff7e830f6971ab2793dd1f26dda28d04792f1b 100644 (file)
--- a/src/asset.h
+++ b/src/asset.h
@@ -73,6 +73,14 @@ public:
         */
        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;
        }