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rtp: added rtcp application feedback support

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This commit is contained in:
Richard Aas 2013-10-28 05:28:13 +00:00
parent 20a43ff3c3
commit ea44ed1506
3 changed files with 18 additions and 0 deletions
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2
include/re_rtp.h
View file

@ -67,6 +67,7 @@ enum rtcp_rtpfb {
enum rtcp_psfb {
RTCP_PSFB_PLI = 1, /**< Picture Loss Indication (PLI) */
RTCP_PSFB_SLI = 2, /**< Slice Loss Indication (SLI) */
RTCP_PSFB_AFB = 15, /**< Application layer Feedback Messages */
};
/** Reception report block */
@ -164,6 +165,7 @@ struct rtcp_msg {
uint16_t number;
uint8_t picid;
} *sliv;
struct mbuf *afb;
void *p;
} fci;
} fb;

12
src/rtp/fb.c
View file

@ -146,6 +146,18 @@ int rtcp_psfb_decode(struct mbuf *mb, struct rtcp_msg *msg)
}
break;
case RTCP_PSFB_AFB:
if (mbuf_get_left(mb) < 4)
return EBADMSG;
msg->r.fb.fci.afb = mbuf_alloc_ref(mb);
if (!msg->r.fb.fci.afb)
return ENOMEM;
sz = msg->r.fb.n * 4;
msg->r.fb.fci.afb->end = msg->r.fb.fci.afb->pos + sz;
break;
default:
DEBUG_NOTICE("unknown PSFB fmt %d\n", msg->hdr.count);
break;

4
src/rtp/rtcp.c
View file

@ -268,6 +268,10 @@ int rtcp_msg_print(struct re_printf *pf, const struct rtcp_msg *msg)
msg->r.fb.fci.sliv[i].picid);
}
}
else if (msg->hdr.count == RTCP_PSFB_AFB) {
err |= re_hprintf(pf, " AFB %u bytes",
msg->r.fb.n * 4);
}
break;
default: