[FFmpeg-trac] #4893(undetermined:new): FFmpeg stops outputting frames unexpectedly and indefinitely on "bad" h264 over UDP stream

[FFmpeg]

#4893: FFmpeg stops outputting frames unexpectedly and indefinitely on "bad" h264
over UDP stream
-------------------------------------+-------------------------------------
             Reporter:  superware    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  udp h264     |               Blocked By:
  stream stops                       |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 FFmpeg stops outputting frames unexpectedly and indefinitely on "bad" h264
 over UDP stream, it happens quite rarely on a wireless link. I've managed
 to reproduce by recording (pcap) and manipulating a stream by discarding
 every second packet, which causes the video to be played very badly. At
 01:38 ffplay stops displaying frames (restarting ffplay plays the stream
 again). It is as if a specific packet/frame causes ffmpeg to enter a
 specific state from which it cannot recover.

 How to reproduce:

 Play the attached pcap file on an active local network adapter with the IP
 192.168.19.121.

 % ffplay -i udp://192.168.19.121:40002

 Video starts at 0:27, issue occurs at 01:38.

 Tried on latest git, 2.7 and 2.5.2 (Windows).

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Ticket URL: <https://trac.ffmpeg.org/ticket/4893>
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