Consider assets outside the DCP as referenced assets (i.e.1.0-vf

not to be written to the asset map).  Return a value from
finalize() to say whether a writer has written anything.
Other small related tweaks.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mono_picture_asset_writer.h b/src/mono_picture_asset_writer.h
index 81782454..a9ff4015 100644
--- a/src/mono_picture_asset_writer.h
+++ b/src/mono_picture_asset_writer.h
@@ -48,7 +48,7 @@ class MonoPictureAssetWriter : public PictureAssetWriter
 public:
 	FrameInfo write (uint8_t *, int);
 	void fake_write (int size);
-	void finalize ();
+	bool finalize ();
 
 private:
 	friend class MonoPictureAsset;