diff --git a/gst-libs/gst/vaapi/Makefile.am b/gst-libs/gst/vaapi/Makefile.am
index 803857c417..353eae9207 100644
--- a/gst-libs/gst/vaapi/Makefile.am
+++ b/gst-libs/gst/vaapi/Makefile.am
@@ -239,13 +239,19 @@ endif
 
 libgstvaapi_h264feienc_source_c =		\
 	gstvaapifeiutils_h264.c			\
+	gstvaapifei_objects.c			\
 	$(NULL)
 libgstvaapi_h264feienc_source_h =		\
 	gstvaapifeiutils_h264.h			\
+	gstvaapifei_objects.h			\
 	$(NULL)
+libgstvaapi_h264feienc_source_priv_h =          \
+        gstvaapifei_objects_priv.h              \
+        $(NULL)
 if USE_H264_FEI_ENCODER
 libgstvaapi_source_c += $(libgstvaapi_h264feienc_source_c)
 libgstvaapi_source_h += $(libgstvaapi_h264feienc_source_h)
+libgstvaapi_source_priv_h += $(libgstvaapi_h264feienc_source_priv_h)
 endif
 
 libgstvaapi_drm_source_c =			\
@@ -536,6 +542,7 @@ EXTRA_DIST = \
 	$(libgstvaapi_egl_source_priv_h)	\
 	$(libgstvaapi_h264feienc_source_h)      \
 	$(libgstvaapi_h264feienc_source_c)      \
+	$(libgstvaapi_h264feienc_source_priv_h) \
 	$(NULL)
 
 -include $(top_srcdir)/git.mk
diff --git a/gst-libs/gst/vaapi/gstvaapifei_objects.c b/gst-libs/gst/vaapi/gstvaapifei_objects.c
new file mode 100644
index 0000000000..fe71dcfb44
--- /dev/null
+++ b/gst-libs/gst/vaapi/gstvaapifei_objects.c
@@ -0,0 +1,386 @@
+/*
+ *  gstvaapifei_objects.c - VA FEI objects abstraction
+ *
+ *  Copyright (C) 2017-2018 Intel Corporation
+ *    Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1
+ *  of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301 USA
+ */
+
+#include "sysdeps.h"
+#include "gstvaapiencoder_priv.h"
+#include "gstvaapicompat.h"
+#include "gstvaapiutils.h"
+#include "gstvaapifei_objects.h"
+#include "gstvaapifei_objects_priv.h"
+#define DEBUG 1
+#include "gstvaapidebug.h"
+
+/* ------------------------------------------------------------------------- */
+/* --- Base Codec Object                                                 --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_FEI_CODEC_OBJECT_GET_CLASS(object) \
+    gst_vaapi_fei_codec_object_get_class(object)
+
+const GstVaapiFeiCodecObjectClass *
+gst_vaapi_fei_codec_object_get_class (GstVaapiFeiCodecObject * object)
+{
+  return (const GstVaapiFeiCodecObjectClass *)
+      GST_VAAPI_MINI_OBJECT_GET_CLASS (object);
+}
+
+static gboolean
+gst_vaapi_fei_codec_object_create (GstVaapiFeiCodecObject * object,
+    const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  const GstVaapiFeiCodecObjectClass *klass;
+
+  g_return_val_if_fail (args->param_size > 0, FALSE);
+
+  if (GST_VAAPI_MINI_OBJECT_FLAG_IS_SET (object,
+          GST_VAAPI_FEI_CODEC_OBJECT_FLAG_CONSTRUCTED))
+    return TRUE;
+
+  klass = GST_VAAPI_FEI_CODEC_OBJECT_GET_CLASS (object);
+  if (!klass->create || !klass->create (object, args))
+    return FALSE;
+
+  GST_VAAPI_MINI_OBJECT_FLAG_SET (object,
+      GST_VAAPI_FEI_CODEC_OBJECT_FLAG_CONSTRUCTED);
+  return TRUE;
+}
+
+GstVaapiFeiCodecObject *
+gst_vaapi_fei_codec_object_new (const GstVaapiFeiCodecObjectClass *
+    object_class, GstVaapiFeiCodecBase * codec, gconstpointer param,
+    guint param_size, gconstpointer data, guint data_size, guint flags)
+{
+  GstVaapiFeiCodecObject *obj;
+  GstVaapiFeiCodecObjectConstructorArgs args;
+
+  obj = (GstVaapiFeiCodecObject *)
+      gst_vaapi_mini_object_new0 (GST_VAAPI_MINI_OBJECT_CLASS (object_class));
+  if (!obj)
+    return NULL;
+
+  obj = GST_VAAPI_FEI_CODEC_OBJECT (obj);
+  obj->codec = codec;
+
+  args.param = param;
+  args.param_size = param_size;
+  args.data = data;
+  args.data_size = data_size;
+  args.flags = flags;
+
+  if (gst_vaapi_fei_codec_object_create (obj, &args))
+    return obj;
+
+  gst_vaapi_fei_codec_object_unref (obj);
+  return NULL;
+}
+
+GstVaapiFeiCodecObject *
+gst_vaapi_fei_codec_object_ref (GstVaapiFeiCodecObject * object)
+{
+  return ((GstVaapiFeiCodecObject *)
+      gst_vaapi_mini_object_ref (GST_VAAPI_MINI_OBJECT (object)));
+}
+
+void
+gst_vaapi_fei_codec_object_unref (GstVaapiFeiCodecObject * object)
+{
+  gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (object));
+}
+
+void
+gst_vaapi_fei_codec_object_replace (GstVaapiFeiCodecObject ** old_object_ptr,
+    GstVaapiFeiCodecObject * new_object)
+{
+  gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) (old_object_ptr),
+      GST_VAAPI_MINI_OBJECT (new_object));
+}
+
+/* FeiFixme: map_unlocked and map_lock could be needed */
+gboolean
+gst_vaapi_fei_codec_object_map (GstVaapiFeiCodecObject * object,
+    gpointer * data, guint * size)
+{
+  g_return_val_if_fail (object != NULL, FALSE);
+
+  /*FeiFixme: explicit map if not yet mapped */
+  *data = object->param;
+  *size = object->param_size;
+
+  return TRUE;
+}
+
+void
+gst_vaapi_fei_codec_object_unmap (GstVaapiFeiCodecObject * object)
+{
+  g_return_if_fail (object != NULL);
+  vaapi_unmap_buffer (GST_VAAPI_ENCODER_CAST (object->codec)->va_display,
+      object->param_id, &object->param);
+}
+
+#define GET_ENCODER(obj)    GST_VAAPI_ENCODER_CAST((obj)->parent_instance.codec)
+#define GET_VA_DISPLAY(obj) GET_ENCODER(obj)->va_display
+#define GET_VA_CONTEXT(obj) GET_ENCODER(obj)->va_context
+
+/* ------------------------------------------------------------------------- */
+/* ---  FEI Mb Code buffer                                               --- */
+/* ------------------------------------------------------------------------- */
+
+GST_VAAPI_FEI_CODEC_DEFINE_TYPE (GstVaapiEncFeiMbCode,
+    gst_vaapi_enc_fei_mb_code);
+
+void
+gst_vaapi_enc_fei_mb_code_destroy (GstVaapiEncFeiMbCode * fei_mb_code)
+{
+  GstVaapiFeiCodecObject *object = &fei_mb_code->parent_instance;
+  vaapi_destroy_buffer (GET_VA_DISPLAY (fei_mb_code), &object->param_id);
+  object->param = NULL;
+}
+
+gboolean
+gst_vaapi_enc_fei_mb_code_create (GstVaapiEncFeiMbCode *
+    fei_mb_code, const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  GstVaapiFeiCodecObject *object = &fei_mb_code->parent_instance;
+  object->param_id = VA_INVALID_ID;
+  return vaapi_create_buffer (GET_VA_DISPLAY (fei_mb_code),
+      GET_VA_CONTEXT (fei_mb_code),
+      (VABufferType) VAEncFEIMBCodeBufferType, args->param_size,
+      args->param, &object->param_id, &object->param);
+}
+
+GstVaapiEncFeiMbCode *
+gst_vaapi_enc_fei_mb_code_new (GstVaapiEncoder * encoder,
+    gconstpointer param, guint param_size)
+{
+  GstVaapiFeiCodecObject *object;
+
+  object = gst_vaapi_fei_codec_object_new (&GstVaapiEncFeiMbCodeClass,
+      GST_VAAPI_FEI_CODEC_BASE (encoder), param, param_size, NULL, 0, 0);
+  if (!object)
+    return NULL;
+  object->param_size = param_size;
+  return GST_VAAPI_ENC_FEI_MB_CODE_CAST (object);
+}
+
+/* ------------------------------------------------------------------------- */
+/* ---  FEI MV buffer                                                    --- */
+/* ------------------------------------------------------------------------- */
+
+GST_VAAPI_FEI_CODEC_DEFINE_TYPE (GstVaapiEncFeiMv, gst_vaapi_enc_fei_mv);
+
+void
+gst_vaapi_enc_fei_mv_destroy (GstVaapiEncFeiMv * fei_mv)
+{
+  GstVaapiFeiCodecObject *object = &fei_mv->parent_instance;
+  vaapi_destroy_buffer (GET_VA_DISPLAY (fei_mv), &object->param_id);
+  object->param = NULL;
+}
+
+gboolean
+gst_vaapi_enc_fei_mv_create (GstVaapiEncFeiMv *
+    fei_mv, const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  GstVaapiFeiCodecObject *object = &fei_mv->parent_instance;
+  object->param_id = VA_INVALID_ID;
+  return vaapi_create_buffer (GET_VA_DISPLAY (fei_mv),
+      GET_VA_CONTEXT (fei_mv),
+      (VABufferType) VAEncFEIMVBufferType, args->param_size,
+      args->param, &object->param_id, &object->param);
+}
+
+GstVaapiEncFeiMv *
+gst_vaapi_enc_fei_mv_new (GstVaapiEncoder * encoder,
+    gconstpointer param, guint param_size)
+{
+  GstVaapiFeiCodecObject *object;
+
+  object = gst_vaapi_fei_codec_object_new (&GstVaapiEncFeiMvClass,
+      GST_VAAPI_FEI_CODEC_BASE (encoder), param, param_size, NULL, 0, 0);
+  if (!object)
+    return NULL;
+  object->param_size = param_size;
+  return GST_VAAPI_ENC_FEI_NEW_MV_CAST (object);
+}
+
+/* ------------------------------------------------------------------------- */
+/* ---  FEI Mv predictor buffer                                          --- */
+/* ------------------------------------------------------------------------- */
+
+GST_VAAPI_FEI_CODEC_DEFINE_TYPE (GstVaapiEncFeiMvPredictor,
+    gst_vaapi_enc_fei_mv_predictor);
+
+void
+gst_vaapi_enc_fei_mv_predictor_destroy (GstVaapiEncFeiMvPredictor *
+    fei_mv_predictor)
+{
+  GstVaapiFeiCodecObject *object = &fei_mv_predictor->parent_instance;
+  vaapi_destroy_buffer (GET_VA_DISPLAY (fei_mv_predictor), &object->param_id);
+  object->param = NULL;
+}
+
+gboolean
+gst_vaapi_enc_fei_mv_predictor_create (GstVaapiEncFeiMvPredictor *
+    fei_mv_predictor, const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  GstVaapiFeiCodecObject *object = &fei_mv_predictor->parent_instance;
+  object->param_id = VA_INVALID_ID;
+  return vaapi_create_buffer (GET_VA_DISPLAY (fei_mv_predictor),
+      GET_VA_CONTEXT (fei_mv_predictor),
+      (VABufferType) VAEncFEIMVPredictorBufferType, args->param_size,
+      args->param, &object->param_id, &object->param);
+}
+
+GstVaapiEncFeiMvPredictor *
+gst_vaapi_enc_fei_mv_predictor_new (GstVaapiEncoder * encoder,
+    gconstpointer param, guint param_size)
+{
+  GstVaapiFeiCodecObject *object;
+
+  object = gst_vaapi_fei_codec_object_new (&GstVaapiEncFeiMvPredictorClass,
+      GST_VAAPI_FEI_CODEC_BASE (encoder), param, param_size, NULL, 0, 0);
+  if (!object)
+    return NULL;
+  object->param_size = param_size;
+  return GST_VAAPI_ENC_FEI_NEW_MV_PREDICTOR_CAST (object);
+}
+
+/* ------------------------------------------------------------------------- */
+/* ---  FEI Mb Control  buffer                                           --- */
+/* ------------------------------------------------------------------------- */
+
+GST_VAAPI_FEI_CODEC_DEFINE_TYPE (GstVaapiEncFeiMbControl,
+    gst_vaapi_enc_fei_mb_control);
+
+void
+gst_vaapi_enc_fei_mb_control_destroy (GstVaapiEncFeiMbControl * fei_mb_control)
+{
+  GstVaapiFeiCodecObject *object = &fei_mb_control->parent_instance;
+  vaapi_destroy_buffer (GET_VA_DISPLAY (fei_mb_control), &object->param_id);
+  object->param = NULL;
+}
+
+gboolean
+gst_vaapi_enc_fei_mb_control_create (GstVaapiEncFeiMbControl *
+    fei_mb_control, const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  GstVaapiFeiCodecObject *object = &fei_mb_control->parent_instance;
+  object->param_id = VA_INVALID_ID;
+  return vaapi_create_buffer (GET_VA_DISPLAY (fei_mb_control),
+      GET_VA_CONTEXT (fei_mb_control),
+      (VABufferType) VAEncFEIMBControlBufferType, args->param_size,
+      args->param, &object->param_id, &object->param);
+}
+
+GstVaapiEncFeiMbControl *
+gst_vaapi_enc_fei_mb_control_new (GstVaapiEncoder * encoder,
+    gconstpointer param, guint param_size)
+{
+  GstVaapiFeiCodecObject *object;
+
+  object = gst_vaapi_fei_codec_object_new (&GstVaapiEncFeiMbControlClass,
+      GST_VAAPI_FEI_CODEC_BASE (encoder), param, param_size, NULL, 0, 0);
+  if (!object)
+    return NULL;
+  object->param_size = param_size;
+  return GST_VAAPI_ENC_FEI_NEW_MB_CONTROL_CAST (object);
+}
+
+/* ------------------------------------------------------------------------- */
+/* ---  FEI qp buffer                                                    --- */
+/* ------------------------------------------------------------------------- */
+
+GST_VAAPI_FEI_CODEC_DEFINE_TYPE (GstVaapiEncFeiQp, gst_vaapi_enc_fei_qp);
+
+void
+gst_vaapi_enc_fei_qp_destroy (GstVaapiEncFeiQp * fei_qp)
+{
+  GstVaapiFeiCodecObject *object = &fei_qp->parent_instance;
+  vaapi_destroy_buffer (GET_VA_DISPLAY (fei_qp), &object->param_id);
+  object->param = NULL;
+}
+
+gboolean
+gst_vaapi_enc_fei_qp_create (GstVaapiEncFeiQp * fei_qp,
+    const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  GstVaapiFeiCodecObject *object = &fei_qp->parent_instance;
+  object->param_id = VA_INVALID_ID;
+  return vaapi_create_buffer (GET_VA_DISPLAY (fei_qp),
+      GET_VA_CONTEXT (fei_qp),
+      (VABufferType) VAEncQPBufferType, args->param_size,
+      args->param, &object->param_id, &object->param);
+}
+
+GstVaapiEncFeiQp *
+gst_vaapi_enc_fei_qp_new (GstVaapiEncoder * encoder,
+    gconstpointer param, guint param_size)
+{
+  GstVaapiFeiCodecObject *object;
+
+  object = gst_vaapi_fei_codec_object_new (&GstVaapiEncFeiQpClass,
+      GST_VAAPI_FEI_CODEC_BASE (encoder), param, param_size, NULL, 0, 0);
+  if (!object)
+    return NULL;
+  object->param_size = param_size;
+  return GST_VAAPI_ENC_FEI_NEW_QP_CAST (object);
+}
+
+/* ------------------------------------------------------------------------- */
+/* ---  FEI Distortion buffer                                            --- */
+/* ------------------------------------------------------------------------- */
+
+GST_VAAPI_FEI_CODEC_DEFINE_TYPE (GstVaapiEncFeiDistortion,
+    gst_vaapi_enc_fei_distortion);
+
+void
+gst_vaapi_enc_fei_distortion_destroy (GstVaapiEncFeiDistortion * fei_dist)
+{
+  GstVaapiFeiCodecObject *object = &fei_dist->parent_instance;
+  vaapi_destroy_buffer (GET_VA_DISPLAY (fei_dist), &object->param_id);
+  object->param = NULL;
+}
+
+gboolean
+gst_vaapi_enc_fei_distortion_create (GstVaapiEncFeiDistortion * fei_dist,
+    const GstVaapiFeiCodecObjectConstructorArgs * args)
+{
+  GstVaapiFeiCodecObject *object = &fei_dist->parent_instance;
+  object->param_id = VA_INVALID_ID;
+  return vaapi_create_buffer (GET_VA_DISPLAY (fei_dist),
+      GET_VA_CONTEXT (fei_dist),
+      (VABufferType) VAEncFEIDistortionBufferType, args->param_size,
+      args->param, &object->param_id, &object->param);
+}
+
+GstVaapiEncFeiDistortion *
+gst_vaapi_enc_fei_distortion_new (GstVaapiEncoder * encoder,
+    gconstpointer param, guint param_size)
+{
+  GstVaapiFeiCodecObject *object;
+
+  object = gst_vaapi_fei_codec_object_new (&GstVaapiEncFeiDistortionClass,
+      GST_VAAPI_FEI_CODEC_BASE (encoder), param, param_size, NULL, 0, 0);
+  if (!object)
+    return NULL;
+  object->param_size = param_size;
+  return GST_VAAPI_ENC_FEI_NEW_DISTORTION_CAST (object);
+}
diff --git a/gst-libs/gst/vaapi/gstvaapifei_objects.h b/gst-libs/gst/vaapi/gstvaapifei_objects.h
new file mode 100644
index 0000000000..03aef3da63
--- /dev/null
+++ b/gst-libs/gst/vaapi/gstvaapifei_objects.h
@@ -0,0 +1,112 @@
+/*
+ *  gstvaapifei_objects.h - VA FEI objects abstraction
+ *
+ *  Copyright (C) 2017-2018 Intel Corporation
+ *    Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1
+ *  of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301 USA
+ */
+
+#ifndef GST_VAAPI_FEI_OBJECTS_H
+#define GST_VAAPI_FEI_OBJECTS_H
+
+G_BEGIN_DECLS
+
+#define GST_VAAPI_FEI_CODEC_OBJECT(obj) \
+    ((GstVaapiFeiCodecObject *) (obj))
+
+typedef struct _GstVaapiFeiCodecObject GstVaapiFeiCodecObject;
+
+typedef struct _GstVaapiEncFeiMbCode GstVaapiEncFeiMbCode;
+typedef struct _GstVaapiEncFeiMv GstVaapiEncFeiMv;
+typedef struct _GstVaapiEncFeiMvPredictor GstVaapiEncFeiMvPredictor;
+typedef struct _GstVaapiEncFeiMbControl GstVaapiEncFeiMbControl;
+typedef struct _GstVaapiEncFeiQp GstVaapiEncFeiQp;
+typedef struct _GstVaapiEncFeiDistortion GstVaapiEncFeiDistortion;
+
+struct _GstVaapiEncoder;
+
+/* -----------------       Base Codec Object    ---------------------------- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiFeiCodecObject *
+gst_vaapi_fei_codec_object_ref (GstVaapiFeiCodecObject *object);
+
+void
+gst_vaapi_fei_codec_object_unref (GstVaapiFeiCodecObject *object);
+
+void
+gst_vaapi_fei_codec_object_replace (GstVaapiFeiCodecObject **old_object_ptr,
+                                    GstVaapiFeiCodecObject *new_object);
+
+gboolean
+gst_vaapi_fei_codec_object_map (GstVaapiFeiCodecObject *object,
+                               gpointer *data, guint *size);
+
+void
+gst_vaapi_fei_codec_object_unmap (GstVaapiFeiCodecObject *object);
+
+/* ------------------------------------------------------------------------- */
+/* ---  MB Code buffer                                                   --- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiEncFeiMbCode *
+gst_vaapi_enc_fei_mb_code_new (struct _GstVaapiEncoder * encoder, gconstpointer param,
+        guint param_size);
+
+/* ------------------------------------------------------------------------- */
+/* ---  MV Buffer                                                        --- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiEncFeiMv *
+gst_vaapi_enc_fei_mv_new (struct _GstVaapiEncoder * encoder, gconstpointer param,
+        guint param_size);
+
+/* ------------------------------------------------------------------------- */
+/* ---  MV Predictor Buffer                                              --- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiEncFeiMvPredictor *
+gst_vaapi_enc_fei_mv_predictor_new (struct _GstVaapiEncoder * encoder, gconstpointer param,
+        guint param_size);
+
+/* ------------------------------------------------------------------------- */
+/* ---  MB Control Buffer                                                --- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiEncFeiMbControl *
+gst_vaapi_enc_fei_mb_control_new (struct _GstVaapiEncoder * encoder, gconstpointer param,
+        guint param_size);
+
+/* ------------------------------------------------------------------------- */
+/* ---  QP Buffer                                                        --- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiEncFeiQp *
+gst_vaapi_enc_fei_qp_new (struct _GstVaapiEncoder * encoder, gconstpointer param,
+        guint param_size);
+
+/* ------------------------------------------------------------------------- */
+/* ---  Distortion Buffer                                                --- */
+/* ------------------------------------------------------------------------- */
+
+GstVaapiEncFeiDistortion *
+gst_vaapi_enc_fei_distortion_new (struct _GstVaapiEncoder * encoder, gconstpointer param,
+        guint param_size);
+
+G_END_DECLS
+
+#endif /* GST_VAAPI_FEI_OBJECTS_H */
diff --git a/gst-libs/gst/vaapi/gstvaapifei_objects_priv.h b/gst-libs/gst/vaapi/gstvaapifei_objects_priv.h
new file mode 100644
index 0000000000..87978775fa
--- /dev/null
+++ b/gst-libs/gst/vaapi/gstvaapifei_objects_priv.h
@@ -0,0 +1,236 @@
+/*
+ *  gstvaapifei_objects_priv.h - VA FEI objects abstraction (priv definitions)
+ *
+ *  Copyright (C) 2017-2018 Intel Corporation
+ *    Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public License
+ *  as published by the Free Software Foundation; either version 2.1
+ *  of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301 USA
+ */
+
+#ifndef GST_VAAPI_FEI_OBJECTS_PRIV_H
+#define GST_VAAPI_FEI_OBJECTS_PRIV_H
+
+#include <gst/vaapi/gstvaapiencoder.h>
+#include <gst/vaapi/gstvaapifei_objects.h>
+#include <gst/vaapi/gstvaapiencoder_objects.h>
+#include <va/va.h>
+G_BEGIN_DECLS
+
+typedef gpointer                                   GstVaapiFeiCodecBase;
+typedef struct _GstVaapiFeiCodecObjectClass        GstVaapiFeiCodecObjectClass;
+
+#define GST_VAAPI_FEI_CODEC_BASE(obj) \
+  ((GstVaapiFeiCodecBase *) (obj))
+
+enum
+{
+  GST_VAAPI_FEI_CODEC_OBJECT_FLAG_CONSTRUCTED = (1 << 0),
+  GST_VAAPI_FEI_CODEC_OBJECT_FLAG_LAST        = (1 << 1)
+};
+
+typedef struct
+{
+  gconstpointer param;
+  guint param_size;
+  gconstpointer data;
+  guint data_size;
+  guint flags;
+} GstVaapiFeiCodecObjectConstructorArgs;
+
+typedef gboolean
+(*GstVaapiFeiCodecObjectCreateFunc)(GstVaapiFeiCodecObject * object,
+    const GstVaapiFeiCodecObjectConstructorArgs * args);
+
+typedef GDestroyNotify GstVaapiFeiCodecObjectDestroyFunc;
+
+/**
+ * GstVaapiFeiCodecObject:
+ *
+ * A #GstVaapiMiniObject holding the base codec object data
+ */
+struct _GstVaapiFeiCodecObject
+{
+  /*< private >*/
+  GstVaapiMiniObject parent_instance;
+  GstVaapiFeiCodecBase *codec;
+  VABufferID param_id;
+  gpointer param;
+  guint param_size;
+};
+
+/**
+ * GstVaapiFeiCodecObjectClass:
+ *
+ * The #GstVaapiFeiCodecObject base class.
+ */
+struct _GstVaapiFeiCodecObjectClass
+{
+  /*< private >*/
+  GstVaapiMiniObjectClass parent_class;
+
+  GstVaapiFeiCodecObjectCreateFunc create;
+};
+
+G_GNUC_INTERNAL
+const GstVaapiFeiCodecObjectClass *
+gst_vaapi_fei_codec_object_get_class (GstVaapiFeiCodecObject * object) G_GNUC_CONST;
+
+G_GNUC_INTERNAL
+GstVaapiFeiCodecObject *
+gst_vaapi_fei_codec_object_new (const GstVaapiFeiCodecObjectClass * object_class,
+    GstVaapiFeiCodecBase * codec, gconstpointer param, guint param_size,
+    gconstpointer data, guint data_size, guint flags);
+
+
+/* ------------------------------------------------------------------------- */
+/* ---  MB Code Buffer                                              --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_ENC_FEI_MB_CODE_CAST(obj) \
+  ((GstVaapiEncFeiMbCode *) (obj))
+/**
+ * GstVaapiEncFeiMbCode:
+ *
+ * A #GstVaapiFeiCodecObject holding a mb code buffer.
+ */
+struct _GstVaapiEncFeiMbCode
+{
+  /*< private >*/
+  GstVaapiFeiCodecObject parent_instance;
+};
+
+/* ------------------------------------------------------------------------- */
+/* ---  MV Buffer                                                        --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_ENC_FEI_NEW_MV_CAST(obj) \
+  ((GstVaapiEncFeiMv *) (obj))
+/**
+ * GstVaapiEncFeiMv:
+ *
+ * A #GstVaapiFeiCodecObject holding a mv buffer.
+ */
+struct _GstVaapiEncFeiMv
+{
+  /*< private >*/
+  GstVaapiFeiCodecObject parent_instance;
+};
+
+/* ------------------------------------------------------------------------- */
+/* ---  MV Predictor Buffer                                              --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_ENC_FEI_NEW_MV_PREDICTOR_CAST(obj) \
+  ((GstVaapiEncFeiMvPredictor *) (obj))
+/**
+ * GstVaapiEncFeiMvPredictor:
+ *
+ * A #GstVaapiFeiCodecObject holding a mv predictor buffer.
+ */
+struct _GstVaapiEncFeiMvPredictor
+{
+  /*< private >*/
+  GstVaapiFeiCodecObject parent_instance;
+};
+
+
+/* ------------------------------------------------------------------------- */
+/* ---  MB Control Buffer                                                --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_ENC_FEI_NEW_MB_CONTROL_CAST(obj) \
+  ((GstVaapiEncFeiMbControl *) (obj))
+/**
+ * GstVaapiEncFeiMbControl:
+ *
+ * A #GstVaapiFeiCodecObject holding a mb control buffer.
+ */
+struct _GstVaapiEncFeiMbControl
+{
+  /*< private >*/
+  GstVaapiFeiCodecObject parent_instance;
+};
+
+
+/* ------------------------------------------------------------------------- */
+/* ---  QP Buffer                                                        --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_ENC_FEI_NEW_QP_CAST(obj) \
+  ((GstVaapiEncFeiQp *) (obj))
+/**
+ * GstVaapiEncFeiQp:
+ *
+ * A #GstVaapiFeiCodecObject holding a qp buffer.
+ */
+struct _GstVaapiEncFeiQp
+{
+  /*< private >*/
+  GstVaapiFeiCodecObject parent_instance;
+};
+
+
+/* ------------------------------------------------------------------------- */
+/* ---  Distortion Buffer                                                --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_ENC_FEI_NEW_DISTORTION_CAST(obj) \
+  ((GstVaapiEncFeiDistortion *) (obj))
+/**
+ * GstVaapiEncFeiDistortion:
+ *
+ * A #GstVaapiFeiCodecObject holding a distortion buffer.
+ */
+struct _GstVaapiEncFeiDistortion
+{
+  /*< private >*/
+  GstVaapiFeiCodecObject parent_instance;
+};
+
+
+/* ------------------------------------------------------------------------- */
+/* --- Helpers to create fei objects                                     --- */
+/* ------------------------------------------------------------------------- */
+
+#define GST_VAAPI_FEI_CODEC_DEFINE_TYPE(type, prefix)                   \
+G_GNUC_INTERNAL                                                         \
+void                                                                    \
+G_PASTE (prefix, _destroy) (type *);                                    \
+                                                                        \
+G_GNUC_INTERNAL                                                         \
+gboolean                                                                \
+G_PASTE (prefix, _create) (type *,                                      \
+    const GstVaapiFeiCodecObjectConstructorArgs * args);                \
+                                                                        \
+static const GstVaapiFeiCodecObjectClass G_PASTE (type, Class) = {      \
+  .parent_class = {                                                     \
+    .size = sizeof (type),                                              \
+    .finalize = (GstVaapiFeiCodecObjectDestroyFunc)                     \
+        G_PASTE (prefix, _destroy)                                      \
+  },                                                                    \
+  .create = (GstVaapiFeiCodecObjectCreateFunc)                          \
+      G_PASTE (prefix, _create),                                        \
+}
+
+/* GstVaapiEncFeiMiscParam */
+#define GST_VAAPI_ENC_FEI_MISC_PARAM_NEW(codec, encoder)                \
+  gst_vaapi_enc_misc_param_new (GST_VAAPI_ENCODER_CAST (encoder),       \
+      VAEncMiscParameterTypeFEIFrameControl,                            \
+      sizeof (G_PASTE (VAEncMiscParameterFEIFrameControl, codec)))
+
+G_END_DECLS
+
+#endif /* GST_VAAPI_FEI_OBJECTS_H */