diff --git a/ringrtc/rffi/api/media.h b/ringrtc/rffi/api/media.h
index 1e7d2bf895..7401cd0152 100644
--- a/ringrtc/rffi/api/media.h
+++ b/ringrtc/rffi/api/media.h
@@ -91,6 +91,10 @@ RUSTEXPORT void Rust_convertVideoFrameBufferToRgba(
 RUSTEXPORT const uint8_t *Rust_getVideoFrameBufferAsI420(
   const webrtc::VideoFrameBuffer* buffer);
 
+// See VideoFrameBuffer::Scale. Output will be in I420.
+RUSTEXPORT webrtc::VideoFrameBuffer* Rust_scaleVideoFrameBuffer(
+  webrtc::VideoFrameBuffer* buffer_borrowed_rc, int width, int height);
+
 // RGBA => I420
 RUSTEXPORT webrtc::VideoFrameBuffer* Rust_copyAndRotateVideoFrameBuffer(
     const webrtc::VideoFrameBuffer* buffer_borrowed_rc, webrtc::VideoRotation rotation);
diff --git a/ringrtc/rffi/src/media.cc b/ringrtc/rffi/src/media.cc
index 826b9f3618..8ed4b1c45c 100644
--- a/ringrtc/rffi/src/media.cc
+++ b/ringrtc/rffi/src/media.cc
@@ -201,6 +201,12 @@ RUSTEXPORT const uint8_t *Rust_getVideoFrameBufferAsI420(const VideoFrameBuffer*
   return dataY;
 }
 
+// Returns an owned RC.
+RUSTEXPORT VideoFrameBuffer* Rust_scaleVideoFrameBuffer(
+    VideoFrameBuffer* buffer_borrowed_rc, int width, int height) {
+  return take_rc(buffer_borrowed_rc->Scale(width, height));
+}
+
 // Returns an owned RC.
 RUSTEXPORT VideoFrameBuffer* Rust_copyAndRotateVideoFrameBuffer(
     const VideoFrameBuffer* buffer_borrowed_rc, VideoRotation rotation) {