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Diffstat (limited to 'ext/aes/gstaesenc.h')
-rw-r--r-- | ext/aes/gstaesenc.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/ext/aes/gstaesenc.h b/ext/aes/gstaesenc.h new file mode 100644 index 000000000..d5acd3f29 --- /dev/null +++ b/ext/aes/gstaesenc.h @@ -0,0 +1,92 @@ +/* + * 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__ */ |