Loop playback with ffmpeg + ffserver -

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i have ffserver multicast stream other devices , ffmpeg send input video ffserver using following command:

ffmpeg -re -y -i ~/videofile.mp4 http://192.168.2.38:8090/f.ffm

is possible loop video playback, mean after videofile.mp4 ends, ffmpeg or ffserver restarts playback beggining of file?

i couldn't find key ffmpeg loop playback, can done using shell script:

#!/bin/sh  while [ 1 ] ;   ffmpeg -re -y -i /path_to_videofile http://url:8090/f.ffm done

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