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e9aa117200
For libsrtp 1, add defines that translate the new namespaced identifiers to the old unnamespaced ones. Also move the code for setting and getting a stream's ROC into two compat functions that match libsrtp2's API. It seems that libsrtp2 properly supports changing the ROC without having to touch the sequence numbers afterwards, given that srtp_set_stream_roc sets a pending_roc field, so the entire roc_changed dance should not be needed anymore. The compat functions for libsrtp 1 just contain our preexisting hacks, however, so it's still needed there. libsrtp2 has no means of discovering the streams in the session, so to create the stats structure we need to iterate over our own set of SSRCs. For this we also need to re-add the previously removed ssrcs_set to the encoder. https://bugzilla.gnome.org/show_bug.cgi?id=776901
99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
/*
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* GStreamer - GStreamer SRTP encoder
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*
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* Copyright 2011-2013 Collabora Ltd.
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* @author: Olivier Crete <olivier.crete@collabora.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_SRTP_H__
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#define __GST_SRTP_H__
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "gstsrtpenums.h"
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#include "gstsrtp-enumtypes.h"
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#include <gst/gst.h>
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#ifdef HAVE_SRTP2
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# include <srtp2/srtp.h>
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# include <srtp2/crypto_types.h>
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#else
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# include <srtp/srtp.h>
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# include <srtp/srtp_priv.h>
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# define srtp_crypto_policy_t crypto_policy_t
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# define SRTP_AES_ICM_128 AES_ICM
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# define SRTP_AES_ICM_256 AES_ICM
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# define SRTP_NULL_CIPHER NULL_CIPHER
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# define SRTP_AES_ICM_128_KEY_LEN_WSALT 30
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# define SRTP_AES_ICM_256_KEY_LEN_WSALT 46
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# define SRTP_HMAC_SHA1 HMAC_SHA1
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# define SRTP_NULL_AUTH NULL_AUTH
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# define srtp_err_status_t err_status_t
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# define srtp_err_status_ok err_status_ok
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# define srtp_err_status_bad_param err_status_bad_param
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# define srtp_err_status_key_expired err_status_key_expired
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# define srtp_err_status_auth_fail err_status_auth_fail
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# define srtp_err_status_cipher_fail err_status_cipher_fail
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# define srtp_err_status_fail err_status_fail
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srtp_err_status_t srtp_set_stream_roc (srtp_t session, guint32 ssrc,
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guint32 roc);
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srtp_err_status_t srtp_get_stream_roc (srtp_t session, guint32 ssrc,
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guint32 * roc);
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#endif
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void gst_srtp_init_event_reporter (void);
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gboolean gst_srtp_get_soft_limit_reached (void);
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gboolean rtcp_buffer_get_ssrc (GstBuffer * buf, guint32 * ssrc);
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const gchar *enum_nick_from_value (GType enum_gtype, gint value);
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gint enum_value_from_nick (GType enum_gtype, const gchar *nick);
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void set_crypto_policy_cipher_auth (GstSrtpCipherType cipher,
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GstSrtpAuthType auth, srtp_crypto_policy_t * policy);
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guint cipher_key_size (GstSrtpCipherType cipher);
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#endif /* __GST_SRTP_H__ */
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