[FFmpeg-trac] #3702(undetermined:new): RTSP Streaming fails with "Could not write header for output file"

[FFmpeg]

#3702: RTSP Streaming fails with "Could not write header for output file"
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             Reporter:  DJX          |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  rtsp         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by taliho):

 FFmpeg cannot be used as an RTSP server. FFmpeg just sends data to an RTSP
 server which then re-distributes the content.

 VLC has an option to create an RTSP server or could try:
 https://github.com/revmischa/rtsp-server

 In the example above, ffplay "pretends" it's an RTSP server but plays the
 content instead of redistributing it, which also explains why you have to
 start ffplay before ffmpeg
 (this option is set with -rtsp_flags listen). Without this option ffplay
 would behave in the usual way and try to connect to an rtsp server.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3702#comment:23>
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