Add support for overriding the output origin.

[movit] / overlay_effect.h

diff --git a/overlay_effect.h b/overlay_effect.h
index 489d8d78168c449ccf8bf6e35c86182732f1a04f..c11569f4eec6c34e0eea4e169ee51b6142fef637 100644 (file)
--- a/overlay_effect.h
+++ b/overlay_effect.h
@@ -24,6 +24,7 @@ public:
 
        virtual bool needs_srgb_primaries() const { return false; }
        virtual unsigned num_inputs() const { return 2; }
+       virtual bool one_to_one_sampling() const { return true; }
 
        // Actually, if _either_ image has blank alpha, our output will have
        // blank alpha, too (this only tells the framework that having _both_