[FFmpeg-trac] #11671(undetermined:new): enable TCP keepalive socket options

[FFmpeg]

#11671: enable TCP keepalive socket options
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             Reporter:  guest        |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by guest):

 I would like to clarify the problem once again because it might not have
 been completely clear earlier. The ffmpeg client receives data over an
 HTTP stream but if the stream stops for example due to silenceremove or
 because a Suspend and Resume occurred and during that time the remote side
 terminated the connection the client will not detect that the connection
 has been lost after the Resume and will wait indefinitely.

 TCP keepalive is designed precisely to handle such situations. Enabling
 this socket option by default would not cause any disadvantages so simply
 turning it on would also be a solution.
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Ticket URL: <https://trac.ffmpeg.org/ticket/11671#comment:3>
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