how do I command m3u8 video and audio links

[ecchirealm]

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Question

So I have a video m3u8 url and a mp3 m3u8 url, downloading them separately works but I don't know how to combine the m3u8 urls in one command.
Here is the example of the video url command:

youtube-dl -o Sleepless_episode_2.mkv "https://va04-edge.tmncdn.io/wp-content/uploads/Sleepless/episode_2/media-1/stream.m3u8/" --user-agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36" --referer "https://muchohentai.com/" --no-check-certificate

this is the audio url:
https://va02-edge.tmncdn.io/wp-[content/uploads/Sleepless/episode_2/audio/aac/ja/stream.m3u8

is there a way to implement adding the audio url to the above video url command.

thank you for any help!!

[dirkf]

Use ffmpeg, as yt-dl does when downloading video+audio formats to combine the individual formats into a single output container.

In this case you shouldn't have needed yt-dl at all, as ffmpeg can use the m3u8 stream URLs directly as input, something like: ffmpeg -i video_url -i audio_url out.mkv. If any of the streams has already been downloaded you can use the filename instead of the URL.

[ecchirealm]

how do I write the referrer, useragent into the command?

[dirkf]

Use the command options that ffmpeg provides for just those purposes.

$ ffmpeg -hide_banner -h protocol=http
http AVOptions:
  -seekable          <boolean>    .D........ control seekability of connection (default auto)
  -chunked_post      <boolean>    E......... use chunked transfer-encoding for posts (default true)
  -http_proxy        <string>     ED........ set HTTP proxy to tunnel through
  -headers           <string>     ED........ set custom HTTP headers, can override built in default headers
  -content_type      <string>     ED........ set a specific content type for the POST messages
  -user_agent        <string>     .D........ override User-Agent header (default "Lavf/58.45.100")
  -referer           <string>     .D........ override referer header
...

$

yt-dl has similar options.