How to add header to EMBEDDING YOUTUBE-DL ?

[hatienl0i261299]

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Question

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I want to download a hls url but need add header is user-agent and referer
i tried
youtube-dl "https://brvn-hlse-public-key.s3.ap-southeast-1.amazonaws.com/route-to-market/RTM_1-2/index.m3u8" --add-header User-Agent:Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.170 Safari/537.36 --add-header Referer:https://www.brandcamp.asia/myvideo/121M58291U2562H --hls-prefer-native
It works
but in EMBEDDING YOUTUBE-DL

with youtube_dl.YoutubeDL({
    'outtmpl': "video.mp4",
    'num_of_thread': 5,
    "hls_prefer_native":True,
    "headers": {
        "User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.170 Safari/537.36",
        "Referer":"https://www.brandcamp.asia/myvideo/121M58291U2562H"
    }
}) as ydl:
    ydl.download(["https://brvn-hlse-public-key.s3.ap-southeast-1.amazonaws.com/route-to-market/RTM_1-2/index.m3u8"])

It can not work, pls help me, thanh you !