diff --git a/ext/schroedinger/Makefile.am b/ext/schroedinger/Makefile.am
index 23869243ac..6a895c5104 100644
--- a/ext/schroedinger/Makefile.am
+++ b/ext/schroedinger/Makefile.am
@@ -14,6 +14,7 @@ libgstschro_la_CFLAGS = \
 	$(GST_CFLAGS) \
         $(GST_BASE_CFLAGS) \
 	$(GST_PLUGINS_BASE_CFLAGS) \
+	-DGST_USE_UNSTABLE_API \
 	$(SCHRO_CFLAGS)
 libgstschro_la_LIBADD = \
 	$(GST_LIBS) \
diff --git a/gst-libs/gst/video/Makefile.am b/gst-libs/gst/video/Makefile.am
index 2b7263b2b2..6836a058fe 100644
--- a/gst-libs/gst/video/Makefile.am
+++ b/gst-libs/gst/video/Makefile.am
@@ -18,7 +18,7 @@ libgstbasevideo_@GST_MAJORMINOR@include_HEADERS = \
 	gstbasevideoencoder.h \
 	gstbasevideoparse.h
 
-libgstbasevideo_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+libgstbasevideo_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) -DGST_USE_UNSTABLE_API
 libgstbasevideo_@GST_MAJORMINOR@_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS)
 libgstbasevideo_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
 
diff --git a/gst-libs/gst/video/gstbasevideocodec.h b/gst-libs/gst/video/gstbasevideocodec.h
index f4a1cf95b7..b6acf62ee6 100644
--- a/gst-libs/gst/video/gstbasevideocodec.h
+++ b/gst-libs/gst/video/gstbasevideocodec.h
@@ -20,6 +20,11 @@
 #ifndef _GST_BASE_VIDEO_CODEC_H_
 #define _GST_BASE_VIDEO_CODEC_H_
 
+#ifndef GST_USE_UNSTABLE_API
+#warning "GstBaseVideoCodec is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
 #include <gst/gst.h>
 #include <gst/video/gstbasevideoutils.h>
 
diff --git a/gst-libs/gst/video/gstbasevideodecoder.h b/gst-libs/gst/video/gstbasevideodecoder.h
index 5e734a2aa5..1daf728ca8 100644
--- a/gst-libs/gst/video/gstbasevideodecoder.h
+++ b/gst-libs/gst/video/gstbasevideodecoder.h
@@ -20,6 +20,11 @@
 #ifndef _GST_BASE_VIDEO_DECODER_H_
 #define _GST_BASE_VIDEO_DECODER_H_
 
+#ifndef GST_USE_UNSTABLE_API
+#warning "GstBaseVideoDecoder is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
 #include <gst/video/gstbasevideocodec.h>
 
 G_BEGIN_DECLS
diff --git a/gst-libs/gst/video/gstbasevideoencoder.h b/gst-libs/gst/video/gstbasevideoencoder.h
index a3b6e3d753..7b9f23b422 100644
--- a/gst-libs/gst/video/gstbasevideoencoder.h
+++ b/gst-libs/gst/video/gstbasevideoencoder.h
@@ -20,6 +20,11 @@
 #ifndef _GST_BASE_VIDEO_ENCODER_H_
 #define _GST_BASE_VIDEO_ENCODER_H_
 
+#ifndef GST_USE_UNSTABLE_API
+#warning "GstBaseVideoEncoder is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
 #include <gst/video/gstbasevideocodec.h>
 #include <gst/video/gstbasevideoutils.h>
 
diff --git a/gst-libs/gst/video/gstbasevideoparse.h b/gst-libs/gst/video/gstbasevideoparse.h
index ce69fe5195..cdbcd27a43 100644
--- a/gst-libs/gst/video/gstbasevideoparse.h
+++ b/gst-libs/gst/video/gstbasevideoparse.h
@@ -20,6 +20,11 @@
 #ifndef _GST_BASE_VIDEO_PARSE_H_
 #define _GST_BASE_VIDEO_PARSE_H_
 
+#ifndef GST_USE_UNSTABLE_API
+#warning "GstBaseVideoParse is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
 #include <gst/video/gstbasevideocodec.h>
 #include <gst/video/gstbasevideoutils.h>
 
diff --git a/gst-libs/gst/video/gstbasevideoutils.h b/gst-libs/gst/video/gstbasevideoutils.h
index b259fc3e18..e832fe76da 100644
--- a/gst-libs/gst/video/gstbasevideoutils.h
+++ b/gst-libs/gst/video/gstbasevideoutils.h
@@ -20,6 +20,11 @@
 #ifndef _GST_BASE_VIDEO_UTILS_H_
 #define _GST_BASE_VIDEO_UTILS_H_
 
+#ifndef GST_USE_UNSTABLE_API
+#warning "The base video utils API is unstable and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
 #include <gst/gst.h>
 #include <gst/video/video.h>
 #include <gst/base/gstadapter.h>