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-rw-r--r--src/picture_asset.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/picture_asset.cc b/src/picture_asset.cc
index 295afc15..f783bb39 100644
--- a/src/picture_asset.cc
+++ b/src/picture_asset.cc
@@ -391,3 +391,9 @@ StereoPictureAsset::get_frame (int n) const
{
return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n + _entry_point));
}
+
+string
+PictureAsset::key_type () const
+{
+ return "MDIK";
+}