[1] [CITE@en[[[ffmpeg]] Documentation]]
([TIME[2020-09-30T16:23:40.000Z]], [TIME[2020-10-01T08:01:33.007Z]])
<https://ffmpeg.org/ffmpeg.html>

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[2] [CITE[FFMPEG ignoring attempts to set user agent or other headers - Stack Overflow]]
([TIME[2021-06-11 12:03:20 +09:00]])
<https://stackoverflow.com/questions/59810888/ffmpeg-ignoring-attempts-to-set-user-agent-or-other-headers>
]FIGCAPTION]

> It seems that FFMPEG only sends the custom headers if the input m3u8 is accessed via http/s, not if it is a local file. 

]FIG]