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Viewing changes to src/comp/c_rtp.c

  • Committer: Didier Barvaux
  • Date: 2013-03-17 22:28:37 UTC
  • mfrom: (535.1.165 rohc-main)
  • Revision ID: didier@barvaux.org-20130317222837-i0bj1drr62octy8m
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src/comp/c_rtp.c
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static bool c_rtp_check_profile(const struct rohc_comp *const comp,
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                                const struct ip_packet *const outer_ip,
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                                const struct ip_packet *const inner_ip,
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                                const uint8_t protocol);
 
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                                const uint8_t protocol,
 
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                                rohc_ctxt_key_t *const ctxt_key);
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static bool rtp_is_udp_port_for_rtp(const struct rohc_comp *const comp,
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                                    const uint16_t port);
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static bool c_rtp_use_udp_port(const struct c_context *const context,
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 *                        is only one IP header,
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 *                    \li the protocol carried by the inner IP header if there
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 *                        are at least two IP headers.
 
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 * @param ctxt_key  The key to help finding the context associated with packet
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 * @return          Whether the IP packet corresponds to the profile:
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 *                    \li true if the IP packet corresponds to the profile,
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 *                    \li false if the IP packet does not correspond to
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static bool c_rtp_check_profile(const struct rohc_comp *const comp,
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                                const struct ip_packet *const outer_ip,
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                                const struct ip_packet *const inner_ip,
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                                const uint8_t protocol)
 
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                                const uint8_t protocol,
 
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                                rohc_ctxt_key_t *const ctxt_key)
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{
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        const struct ip_packet *last_ip_header;
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        const unsigned char *udp_payload;
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         *  - the IP payload is at least 8-byte long for UDP header,
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         *  - the UDP Length field and the UDP payload match.
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         */
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        udp_check = c_udp_check_profile(comp, outer_ip, inner_ip, protocol);
 
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        udp_check = c_udp_check_profile(comp, outer_ip, inner_ip, protocol,
 
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                                        ctxt_key);
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        if(!udp_check)
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        {
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                goto bad_profile;
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                goto bad_profile;
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        }
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        /* add SSRC to the context key */
 
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        *ctxt_key ^= ((struct rtphdr *) udp_payload)->ssrc;
 
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        return true;
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bad_profile: