[FFmpeg-trac] #8705(avformat:new): content_type option is not working with tee output

[FFmpeg]

#8705: content_type option is not working with tee output
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             Reporter:  animtim      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by animtim):

 Yes, though I tried to pass the content type option to the icecast output
 like this:

 "[content_type=video/webm]icecast://source:password@example.domain:8000/video.webm|savedVideo.webm"

 But it doesn't work, with this console output:

 [icecast @ 0x26a4e40] Streaming WebM but appropriate content type NOT set!
 [icecast @ 0x26a4e40] Set it with -content_type video/webm
 [webm @ 0x268ca00] Unknown option 'content_type'
 [tee @ 0x1a21180] Slave muxer #0 failed, aborting.
 Could not write header for output file #0 (incorrect codec parameters ?):
 Option not found
 Error initializing output stream 0:1 --

 So, is there another way to pass the option to the icecast output that I
 missed?

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Ticket URL: <https://trac.ffmpeg.org/ticket/8705#comment:2>
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