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/*
* GStreamer - GStreamer SRTP encoder
*
* Copyright 2011-2013 Collabora Ltd.
* @author: Olivier Crete <olivier.crete@collabora.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_SRTP_H__
#define __GST_SRTP_H__
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstsrtpenums.h"
#include "gstsrtp-enumtypes.h"
#include <gst/gst.h>
#ifdef HAVE_SRTP2
# include <srtp2/srtp.h>
# include <srtp2/crypto_types.h>
#else
# include <srtp/srtp.h>
# include <srtp/srtp_priv.h>
# include <srtp/crypto_types.h>
# define srtp_crypto_policy_t crypto_policy_t
# define SRTP_AES_ICM_128 AES_ICM
# define SRTP_AES_ICM_256 AES_ICM
# define SRTP_AES_GCM_128 AES_128_GCM
# define SRTP_AES_GCM_256 AES_256_GCM
# define SRTP_NULL_CIPHER NULL_CIPHER
# define SRTP_AES_ICM_128_KEY_LEN_WSALT 30
# define SRTP_AES_ICM_256_KEY_LEN_WSALT 46
# define SRTP_AES_GCM_128_KEY_LEN_WSALT AES_128_GCM_KEYSIZE_WSALT
# define SRTP_AES_GCM_256_KEY_LEN_WSALT AES_256_GCM_KEYSIZE_WSALT
# define SRTP_HMAC_SHA1 HMAC_SHA1
# define SRTP_NULL_AUTH NULL_AUTH
# define srtp_err_status_t err_status_t
# define srtp_err_status_ok err_status_ok
# define srtp_err_status_bad_param err_status_bad_param
# define srtp_err_status_replay_fail err_status_replay_fail
# define srtp_err_status_key_expired err_status_key_expired
# define srtp_err_status_auth_fail err_status_auth_fail
# define srtp_err_status_cipher_fail err_status_cipher_fail
# define srtp_err_status_fail err_status_fail
srtp_err_status_t srtp_set_stream_roc (srtp_t session, guint32 ssrc,
guint32 roc);
srtp_err_status_t srtp_get_stream_roc (srtp_t session, guint32 ssrc,
guint32 * roc);
#endif
void gst_srtp_init_event_reporter (void);
gboolean gst_srtp_get_soft_limit_reached (void);
gboolean rtcp_buffer_get_ssrc (GstBuffer * buf, guint32 * ssrc);
const gchar *enum_nick_from_value (GType enum_gtype, gint value);
gint enum_value_from_nick (GType enum_gtype, const gchar *nick);
void set_crypto_policy_cipher_auth (GstSrtpCipherType cipher,
GstSrtpAuthType auth, srtp_crypto_policy_t * policy);
guint cipher_key_size (GstSrtpCipherType cipher);
#endif /* __GST_SRTP_H__ */
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