Broken videos downloaded from reddit

[qarmin]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.03.08
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'https://www.reddit.com/r/HadToHurt/comments/b1w3za/bruh/', u'-v']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.03.08
[debug] Python version 2.7.17 (CPython) - Linux-5.3.0-40-generic-x86_64-with-Ubuntu-19.10-eoan
[debug] exe versions: ffmpeg 4.1.4-1build2, ffprobe 4.1.4-1build2, phantomjs 2.1.1, rtmpdump 2.4
[debug] Proxy map: {}
[RedditR] b1w3za: Downloading JSON metadata
[Reddit] 13y5eoag6jm21: Downloading m3u8 information
[Reddit] 13y5eoag6jm21: Downloading MPD manifest
[debug] Default format spec: bestvideo+bestaudio/best
[debug] Invoking downloader on u'https://v.redd.it/13y5eoag6jm21/HLS_540_v4.m3u8'
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 3
[download] Destination: bruh-13y5eoag6jm21.fhls-3317.mp4
[download] 100% of 2.24MiB in 00:07
[debug] Invoking downloader on u'https://v.redd.it/13y5eoag6jm21/audio'
[download] Destination: bruh-13y5eoag6jm21.fdash-AUDIO-1.m4a
[download] 100% of 195.48KiB in 00:00
[ffmpeg] Merging formats into "bruh-13y5eoag6jm21.mp4"
[debug] ffmpeg command line: ffmpeg -y -loglevel 'repeat+info' -i 'file:bruh-13y5eoag6jm21.fhls-3317.mp4' -i 'file:bruh-13y5eoag6jm21.fdash-AUDIO-1.m4a' -c copy -map '0:v:0' -map '1:a:0' 'file:bruh-13y5eoag6jm21.temp.mp4'
Deleting original file bruh-13y5eoag6jm21.fhls-3317.mp4 (pass -k to keep)
Deleting original file bruh-13y5eoag6jm21.fdash-AUDIO-1.m4a (pass -k to keep)

Description

When I download with youtube-dl video from Reddit - https://www.reddit.com/r/HadToHurt/comments/b1w3za/bruh/, then I see that video is broken.

It play fine with mpv with some artifacts, but in VLC completely freeze video.
This doesn't happens in browser

Image with artifacts in MPV:

Video after conversion(just remove .zip extension)
bruh-13y5eoag6jm21.mp4.zip

[qarmin]

@dstftw Can you provide a link to duplicated issue?
I can't find it.