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rtp: add rtp_is_rtcp_packet() #405

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merged 1 commit into from
Jun 19, 2022
Merged

rtp: add rtp_is_rtcp_packet() #405

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1 change: 1 addition & 0 deletions include/re_rtp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -248,6 +248,7 @@ int rtcp_msg_print(struct re_printf *pf, const struct rtcp_msg *msg);
int rtcp_sdes_encode(struct mbuf *mb, uint32_t src, uint32_t itemc, ...);
const char *rtcp_type_name(enum rtcp_type type);
const char *rtcp_sdes_name(enum rtcp_sdes_type sdes);
bool rtp_is_rtcp_packet(const struct mbuf *mb);


static inline bool rtp_pt_is_rtcp(uint8_t pt)
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13 changes: 13 additions & 0 deletions src/rtp/rtcp.c
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Expand Up @@ -283,3 +283,16 @@ int rtcp_msg_print(struct re_printf *pf, const struct rtcp_msg *msg)

return err;
}


bool rtp_is_rtcp_packet(const struct mbuf *mb)
{
uint8_t pt;

if (mbuf_get_left(mb) < 2)
return false;

pt = mbuf_buf(mb)[1] & 0x7f;

return rtp_pt_is_rtcp(pt);
}