ROHC compression/decompression library
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00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 2 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * This program is distributed in the hope that it will be useful, 00008 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00009 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00010 * GNU General Public License for more details. 00011 * 00012 * You should have received a copy of the GNU General Public License 00013 * along with this program; if not, write to the Free Software 00014 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00015 */ 00016 00017 /** 00018 * @file d_rtp.h 00019 * @brief ROHC decompression context for the RTP profile. 00020 * @author David Moreau from TAS 00021 * @author Didier Barvaux <didier.barvaux@toulouse.viveris.com> 00022 * @author Didier Barvaux <didier@barvaux.org> 00023 */ 00024 00025 #ifndef D_RTP_H 00026 #define D_RTP_H 00027 00028 #include "d_generic.h" 00029 #include "d_udp.h" 00030 #include "ts_sc_decomp.h" 00031 00032 #include <stdint.h> 00033 #ifndef __KERNEL__ 00034 # include <string.h> 00035 #endif 00036 00037 00038 /** 00039 * @brief Define the RTP part of the decompression profile context. 00040 * 00041 * This object must be used with the generic part of the decompression 00042 * context d_generic_context. 00043 * 00044 * @see d_generic_context 00045 */ 00046 struct d_rtp_context 00047 { 00048 /** The RTP SSRC */ 00049 uint32_t ssrc; 00050 00051 /// Whether the UDP checksum field is encoded in the ROHC packet or not 00052 int udp_checksum_present; 00053 00054 /// The scaled RTP Timestamp decoding context 00055 struct ts_sc_decomp *ts_scaled_ctxt; 00056 }; 00057 00058 00059 /* 00060 * Public function prototypes. 00061 */ 00062 00063 /* no public function for the RTP decompression profile */ 00064 00065 #endif 00066