rtp.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/**
 * @file rtp.h
 * @brief RTP header
 * @author David Moreau from TAS
 * @author Didier Barvaux <didier@barvaux.org>
 *
 * See section 5.1 of RFC 1889 for details.
 */

#ifndef ROHC_PROTOCOLS_RTP_H
#define ROHC_PROTOCOLS_RTP_H

#include <stdint.h>

#include "config.h" /* for WORDS_BIGENDIAN */


/**
 * @brief The RTP header
 *
 * See section 5.1 of RFC 1889 for details.
 */
struct rtphdr
{
#if WORDS_BIGENDIAN == 1
        uint16_t version:2;
        uint16_t padding:1;
        uint16_t extension:1;
        uint16_t cc:4;
        uint16_t m:1;
        uint16_t pt:7;
#else
        uint16_t cc:4;          ///< CSRC Count
        uint16_t extension:1;   ///< Extension bit
        uint16_t padding:1;     ///< Padding bit
        uint16_t version:2;     ///< RTP version
        uint16_t pt:7;          ///< Payload Type
        uint16_t m:1;           ///< Marker
#endif
        uint16_t sn;            ///< Sequence Number
        uint32_t timestamp;     ///< Timestamp
        uint32_t ssrc;          ///< Synchronization SouRCe (SSRC) identifier
} __attribute__((packed));


#endif