[FFmpeg-user] How to make hls muxer set codec information in master playlist when stream codecs are copied

dogan yazar doganyazar at gmail.com
Thu Sep 23 14:50:14 EEST 2021

ffmpeg hls muxer has the option to set master playlist but the created
playlist is missing the important codec information.

ffmpeg -hide_banner -i <input> -c copy -f hls -master_pl_name
master.m3u8  stream.m3u8

Expected master playlist:

Instead getting this:

Is there a way to make ffmpeg set the codec info in playlist from the
input source? It works as expected if I encode the input using libx264
but I do not want to do any expensive encoding but copy the codecs
from the input.

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