[FFmpeg-trac] #6879(undetermined:new): [sdp @ 0x3060260] Missed part of a keyframe, sequence broken

[FFmpeg]

#6879: [sdp @ 0x3060260] Missed part of a keyframe, sequence broken
-------------------------------------+-------------------------------------
             Reporter:  rabashani    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 '''Trying to run this query:'''
 ffmpeg -protocol_whitelist pipe,udp,rtp -f sdp -i pipe:0 -c:v copy -an -f
 rtp rtp://127.0.0.1:54000 -c:a copy -vn -f rtp rtp://127.0.0.1:53000 -map
 0 -flags +global_header -c:v libx264 -c:a aac -f flv rtmp://rtmp-url

 '''with the following SDP  (as stream):'''
 v=0
 o=- 0 0 IN IP4 127.0.0.1
 s=RTP Video
 c=IN IP4 127.0.0.1
 t=0 0
 a=tool:libavformat 56.15.102
 m=audio 51000 RTP/AVP 111
 a=rtpmap:111 OPUS/48000/2
 m=video 52000 RTP/AVP 100
 a=rtpmap:100 VP8/90000
 a=fmtp:100 packetization-mode=1
  v=0
 o=- 0 0 IN IP4 127.0.0.1
 s=RTP Video
 c=IN IP4 127.0.0.1
 t=0 0
 a=tool:libavformat 56.15.102
 m=audio 51000 RTP/AVP 111
 a=rtpmap:111 OPUS/48000/2
 m=video 52000 RTP/AVP 100
 a=rtpmap:100 VP8/90000
 a=fmtp:100 packetization-mode=1

 '''and getting this error message:'''
 [sdp @ 0x3060260] Missed part of a keyframe, sequence broken

 can you help me identify what am i missing in the way i am using the
 params?

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Ticket URL: <https://trac.ffmpeg.org/ticket/6879>
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