pkg/51520: multimedia/ffmpeg3 - getnameinfo: Non-recoverable failure in name resolution on RTP incoming streams

[adrien_fernandes2%hotmail.com@localhost]

>Number:         51520
>Category:       pkg
>Synopsis:       multimedia/ffmpeg3 - getnameinfo: Non-recoverable failure in name resolution on RTP incoming streams
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Oct 01 00:15:00 +0000 2016
>Originator:     Adrien Fernandes
>Release:        pkgsrc current 22nd July 2016
>Organization:
>Environment:
NetBSD 7.99.34 (GENERIC.201607240240Z) amd64
>Description:
It is actually impossible to read a RTP protocole stream with multimedia/ffplay3.

$ /home/Adrien2002/Programmes/NetBSD/bin/ffplay3 rtp://127.0.0.1:1234
[rtp @ 0x7ae5c5903800] getnameinfo: Non-recoverable failure in name resolution
rtp://127.0.0.1:1234: Input/output error

After patched multimedia/ffmpeg3, it worked, I can watch my stream.
>How-To-Repeat:
Try to read an incoming RTP stream.
>Fix:
--- libavformat/rtsp.c.orig	2016-10-01 02:05:05.262490405 +0200
+++ libavformat/rtsp.c	2016-10-01 02:06:28.990605339 +0200
@@ -2301,7 +2301,7 @@
             AVDictionary *opts = map_to_opts(rt);
 
             err = getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip,
-                              sizeof(rtsp_st->sdp_ip),
+                              rtsp_st->sdp_ip.ss_len,
                               namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
             if (err) {
                 av_log(s, AV_LOG_ERROR, "getnameinfo: %s\n", gai_strerror(err));