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diff --git a/ext/aes/gstaesenc.h b/ext/aes/gstaesenc.h
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+/* 
+ * GStreamer gstreamer-aesenc
+ *
+ * Copyright, LCC (C) 2015 RidgeRun, LCC <carsten.behling@ridgerun.com>
+ * Copyright, 2020 Nice, Contact: Rabindra Harlalka <Rabindra.Harlalka@nice.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
+ * which case the following provisions apply instead of the ones
+ * mentioned above:
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1335, USA.
+ */
+
+#ifndef __GST_AES_ENC_H__
+#define __GST_AES_ENC_H__
+
+#include "gstaeshelper.h"
+#include <gst/base/gstbasetransform.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AES_ENC            (gst_aes_enc_get_type())
+G_DECLARE_FINAL_TYPE (GstAesEnc, gst_aes_enc, GST, AES_ENC, GstBaseTransform)
+#define GST_AES_ENC(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AES_ENC,GstAesEnc))
+#define GST_AES_ENC_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AES_ENC,GstAesEncClass))
+#define GST_AES_ENC_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_AES_ENC,GstAesEncClass))
+#define GST_IS_AES_ENC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AES_ENC))
+#define GST_IS_AES_ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AES_ENC))
+
+struct _GstAesEnc
+{
+  GstBaseTransform element;
+
+  /* Properties */
+  GstAesCipher cipher;
+  guchar key[EVP_MAX_KEY_LENGTH];
+  guchar iv[GST_AES_BLOCK_SIZE];
+  gboolean serialize_iv;
+  gboolean per_buffer_padding;
+
+  /* Element variables */
+  const EVP_CIPHER *evp_cipher;
+  EVP_CIPHER_CTX *evp_ctx;
+  guchar padding;
+  guchar padded_block[GST_AES_BLOCK_SIZE];
+  gboolean awaiting_first_buffer;
+  GMutex encoder_lock;
+  /* if TRUE, then properties cannot be changed */
+  gboolean locked_properties;
+};
+
+struct _GstAesEncClass
+{
+  GstBaseTransformClass parent_class;
+};
+
+GST_ELEMENT_REGISTER_DECLARE (aesenc)
+
+G_END_DECLS
+#endif /* __GST_AES_ENC_H__ */