Hi,

I am working on vp9-RTP streaming over LAN and want to perform 2 pass
encoding but unable to do so as it is not generating .sdp file.

I am using the following command:

  ffmpeg -i input.mp4 -c:v libvpx-vp9 -b:v 1M -pass 1 -an -f null /dev/null
&& ffmpeg -i input.mp4 -c:v libvpx-vp9 -an -b:v 1M -pass 2 -c:a -f rtp
rtp://192.168.12.5:5004

Kindly guide me that what mistake I am doing. or in what way I can perform
2 pass encoding.

Thanks
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