diff --git a/ext/openh264/gstopenh264dec.cpp b/ext/openh264/gstopenh264dec.cpp
index 2bb317a8e2..83fc881d44 100644
--- a/ext/openh264/gstopenh264dec.cpp
+++ b/ext/openh264/gstopenh264dec.cpp
@@ -303,6 +303,9 @@ static GstFlowReturn gst_openh264dec_handle_frame(GstVideoDecoder *decoder, GstV
             return GST_FLOW_EOS;
     }
 
+    /* FIXME: openh264 has no way for us to get a connection
+     * between the input and output frames, we just have to
+     * guess based on the input */
     frame = get_oldest_pts_frame (decoder);
     if (!frame) {
       /* Can only happen in finish() */
diff --git a/ext/openh264/gstopenh264enc.cpp b/ext/openh264/gstopenh264enc.cpp
index db6afac9ac..9a77eff7d9 100644
--- a/ext/openh264/gstopenh264enc.cpp
+++ b/ext/openh264/gstopenh264enc.cpp
@@ -662,6 +662,9 @@ static GstFlowReturn gst_openh264enc_handle_frame(GstVideoEncoder *encoder, GstV
       frame = NULL;
     }
 
+    /* FIXME: openh264 has no way for us to get a connection
+     * between the input and output frames, we just have to
+     * guess based on the input */
     frame = gst_video_encoder_get_oldest_frame(base_encoder);
     if (!frame) {
         GST_ELEMENT_ERROR(openh264enc, STREAM, ENCODE, ("Could not encode frame"),  ("openh264enc returned %d", ret));