1 /* 2 * GStreamer - GStreamer SRTP decoder 3 * 4 * Copyright 2009 Collabora Ltd. 5 * @author: Gabriel Millaire <gabriel.millaire@collabora.co.uk> 6 * @author: Olivier Crete <olivier.crete@collabora.com> 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * DEALINGS IN THE SOFTWARE. 25 * 26 * Alternatively, the contents of this file may be used under the 27 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in 28 * which case the following provisions apply instead of the ones 29 * mentioned above: 30 * 31 * This library is free software; you can redistribute it and/or 32 * modify it under the terms of the GNU Library General Public 33 * License as published by the Free Software Foundation; either 34 * version 2 of the License, or (at your option) any later version. 35 * 36 * This library is distributed in the hope that it will be useful, 37 * but WITHOUT ANY WARRANTY; without even the implied warranty of 38 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 39 * Library General Public License for more details. 40 * 41 * You should have received a copy of the GNU Library General Public 42 * License along with this library; if not, write to the 43 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 44 * Boston, MA 02111-1307, USA. 45 */ 46 47 #ifndef __GST_SRTPDEC_H__ 48 #define __GST_SRTPDEC_H__ 49 50 #include "gstsrtp.h" 51 52 G_BEGIN_DECLS 53 54 #define GST_TYPE_SRTP_DEC \ 55 (gst_srtp_dec_get_type()) 56 #define GST_SRTP_DEC(obj) \ 57 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SRTP_DEC,GstSrtpDec)) 58 #define GST_SRTP_DEC_CLASS(klass) \ 59 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SRTP_DEC,GstSrtpDecClass)) 60 #define GST_IS_SRTP_DEC(obj) \ 61 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SRTP_DEC)) 62 #define GST_IS_SRTP_DEC_CLASS(klass) \ 63 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SRTP_DEC)) 64 65 typedef struct _GstSrtpDec GstSrtpDec; 66 typedef struct _GstSrtpDecClass GstSrtpDecClass; 67 typedef struct _GstSrtpDecSsrcStream GstSrtpDecSsrcStream; 68 69 struct _GstSrtpDec 70 { 71 GstElement element; 72 73 guint replay_window_size; 74 75 GstPad *rtp_sinkpad, *rtp_srcpad; 76 GstPad *rtcp_sinkpad, *rtcp_srcpad; 77 78 gboolean ask_update; 79 srtp_t session; 80 gboolean first_session; 81 GHashTable *streams; 82 83 gboolean rtp_has_segment; 84 gboolean rtcp_has_segment; 85 86 #ifndef HAVE_SRTP2 87 GHashTable *streams_roc_changed; 88 #endif 89 }; 90 91 struct _GstSrtpDecClass 92 { 93 GstElementClass parent_class; 94 95 void (*clear_streams) (GstSrtpDec * filter); 96 void (*remove_stream) (GstSrtpDec * filter, guint ssrc); 97 }; 98 99 GType gst_srtp_dec_get_type (void); 100 101 102 G_END_DECLS 103 104 #endif /* __GST_SRTPDEC_H__ */ 105