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da30669589
We add a new signal, get-rollover-counter, to the SRTP encoder. Given a ssrc the signal will return the currently internal SRTP rollover counter for the given stream. For the SRTP decoder we have a new SRTP caps parameter "roc" that needs to be set when a new SRTP stream is created for a given SSRC. https://bugzilla.gnome.org/show_bug.cgi?id=726861
102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/*
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* GStreamer - GStreamer SRTP encoder
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*
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* Copyright 2009 Collabora Ltd.
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* @author: Gabriel Millaire <gabriel.millaire@collabora.co.uk>
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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_SRTPENC_H__
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#define __GST_SRTPENC_H__
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#include <gst/gst.h>
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#include <srtp/srtp.h>
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G_BEGIN_DECLS
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#define GST_TYPE_SRTP_ENC \
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(gst_srtp_enc_get_type())
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#define GST_SRTP_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SRTP_ENC,GstSrtpEnc))
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#define GST_SRTP_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SRTP_ENC,GstSrtpEncClass))
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#define GST_IS_SRTP_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SRTP_ENC))
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#define GST_IS_SRTP_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SRTP_ENC))
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typedef struct _GstSrtpEnc GstSrtpEnc;
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typedef struct _GstSrtpEncClass GstSrtpEncClass;
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struct _GstSrtpEnc
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{
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GstElement element;
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gboolean random_key;
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GstBuffer *key;
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guint rtp_cipher;
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guint rtp_auth;
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guint rtcp_cipher;
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guint rtcp_auth;
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srtp_t session;
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gboolean first_session;
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gboolean key_changed;
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guint replay_window_size;
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};
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struct _GstSrtpEncClass
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{
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GstElementClass parent_class;
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/* action signals */
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guint32 (*get_rollover_counter) (GstSrtpEnc *encoder, guint32 ssrc);
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};
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GType gst_srtp_enc_get_type (void);
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gboolean gst_srtp_enc_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_SRTPENC_H__ */
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