diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_h264.h b/gst-libs/gst/vaapi/gstvaapiencoder_h264.h
index 0ba54ed429..89eab76c33 100644
--- a/gst-libs/gst/vaapi/gstvaapiencoder_h264.h
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_h264.h
@@ -29,6 +29,9 @@
 
 G_BEGIN_DECLS
 
+#define GST_VAAPI_ENCODER_H264(encoder) \
+  ((GstVaapiEncoderH264 *) (encoder))
+
 typedef struct _GstVaapiEncoderH264 GstVaapiEncoderH264;
 
 /**
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_h265.h b/gst-libs/gst/vaapi/gstvaapiencoder_h265.h
index 3554ef15c3..ec8483e5b7 100644
--- a/gst-libs/gst/vaapi/gstvaapiencoder_h265.h
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_h265.h
@@ -28,6 +28,9 @@
 
 G_BEGIN_DECLS
 
+#define GST_VAAPI_ENCODER_H265(encoder) \
+  ((GstVaapiEncoderH265 *) (encoder))
+
 typedef struct _GstVaapiEncoderH265 GstVaapiEncoderH265;
 
 /**
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_jpeg.h b/gst-libs/gst/vaapi/gstvaapiencoder_jpeg.h
index 108d03036e..a18c7e2796 100644
--- a/gst-libs/gst/vaapi/gstvaapiencoder_jpeg.h
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_jpeg.h
@@ -27,6 +27,9 @@
 
 G_BEGIN_DECLS
 
+#define GST_VAAPI_ENCODER_JPEG(encoder) \
+  ((GstVaapiEncoderJpeg *) (encoder))
+
 typedef struct _GstVaapiEncoderJpeg GstVaapiEncoderJpeg;
 
 /**
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.h b/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.h
index c81cc6c75f..923ad1d85a 100644
--- a/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.h
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.h
@@ -28,6 +28,9 @@
 
 G_BEGIN_DECLS
 
+#define GST_VAAPI_ENCODER_MPEG2(encoder) \
+  ((GstVaapiEncoderMpeg2 *) (encoder))
+
 typedef struct _GstVaapiEncoderMpeg2 GstVaapiEncoderMpeg2;
 
 /**
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_vp8.h b/gst-libs/gst/vaapi/gstvaapiencoder_vp8.h
index c362ebaab1..a48bf460c4 100644
--- a/gst-libs/gst/vaapi/gstvaapiencoder_vp8.h
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_vp8.h
@@ -27,6 +27,9 @@
 
 G_BEGIN_DECLS
 
+#define GST_VAAPI_ENCODER_VP8(encoder) \
+  ((GstVaapiEncoderVP8 *) (encoder))
+
 typedef struct _GstVaapiEncoderVP8 GstVaapiEncoderVP8;
 
 /**
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_vp9.h b/gst-libs/gst/vaapi/gstvaapiencoder_vp9.h
index 3723ddb4b0..7967a98002 100644
--- a/gst-libs/gst/vaapi/gstvaapiencoder_vp9.h
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_vp9.h
@@ -27,6 +27,9 @@
 
 G_BEGIN_DECLS
 
+#define GST_VAAPI_ENCODER_VP9(encoder) \
+  ((GstVaapiEncoderVP9 *) (encoder))
+
 typedef struct _GstVaapiEncoderVP9 GstVaapiEncoderVP9;
 
 /**