Hi ,
im using NGINX server for sending video to my server.

i could able to GET file from the NGINX server using the following command which i have given in the browser
rtmp://<serverip>/foldername/

whereas when i try to send video file from client to server from terminal (linux) using the following command

ffmpeg -re -i "sample.mp4" -c:v copy -c:a copy -f flv rtmp://<server_ip>/mytv/

got the following error

Failed to update header with correct duration
Failed to update header with correct filesize

please go through the attached file that contain information