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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
101 lines
3.4 KiB
C
101 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 "gstsrtp.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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gboolean allow_repeat_tx;
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GHashTable *ssrcs_set;
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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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};
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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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