stream.sh

 #!/bin/bash

infile=sample_videos/myvideo.mp4

GST_DEBUG=0 gst-launch-1.0 -v \
filesrc location=subtitles.srt ! subparse ! ov. \
filesrc location=$infile ! decodebin name=demuxer ! textoverlay name=ov ! x264enc ! mpegtsmux name=muxer \
demuxer. ! audioconvert ! audioresample ! avenc_mp2 ! muxer.  \
muxer. ! hlssink \
    playlist-root=/hls-test \
    playlist-location=/tmp/hlsstreams/hls-test/playlist.m3u8 \
    location=/tmp/hlsstreams/hls-test/seg%05d.ts \
    playlist-length=999 \
    max-files=999 \
    target-duration=3