#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 |
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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).
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4893>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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