ROHC compression/decompression library
d_rtp.h
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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