[hls muxer @ 0x1cd0140] [Eval @ 0x7ffff790ab10] Undefined constant or missing '(' in 'independent_segments'

[hls muxer @ 0x1cd0140] Unable to parse option value "independent_segments"

[hls muxer @ 0x1cd0140] Error setting option hls_flags to value independent_segments.

Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument

Error initializing output stream 0:1 --

[aac @ 0x1cce900] Qavg: nan

Conversion failed!