[twitch:stream] First second of stream is repeating itself.

[ghost]

• I've verified and I assure that I'm running youtube-dl 2016.08.31

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• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
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When you open any stream, first second is repeating itself and then go on normally. it's bugging me, can you fix this?

[dstftw]

Post an example URL.

[ghost]

@dstftw any stream, they all affected.
https://www.twitch.tv/nintendo
Any from here:
https://www.twitch.tv/directory/all

[dstftw]

Post verbose output.

[ghost]

I checked and it work on vods too. i forgot to mention that it appear when you open stream in mpv. Verbose doens't show anything.

$ y -v https://www.twitch.tv/imaqtpie/
[debug] System config: []
[debug] User config: ['-4', '-f', 'best', '--prefer-free-formats', '--no-cache-dir', '--no-mtime', '--youtube-skip-dash-manifest']
[debug] Command-line args: ['-v', 'https://www.twitch.tv/imaqtpie/']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.08.31
[debug] Python version 3.6.0a4 - Linux-4.7.0-1-686-i686-with-debian-stretch-sid
[debug] exe versions: ffmpeg 3.1.3, ffprobe 3.1.3, rtmpdump 2.4
[debug] Proxy map: {}
[twitch:stream] imaqtpie: Downloading stream JSON
[twitch:stream] imaqtpie: Downloading channel access token
[twitch:stream] imaqtpie: Downloading m3u8 information
[debug] Invoking downloader on 'https://video3.fra01.hls.ttvnw.net/hls30/imaqtpie_23058460608_509819361/chunked/index-live.m3u8?token=id=1697822055993663576,bid=23058460608,exp=1472827729,node=video3.fra01,nname=video3.fra01,proto=https,fmt=chunked&sig=00613d6b076b896be966c059928f334c574a5402'
[download] Destination: imaqtpie 2016-09-01 21_49-23058460608.mp4
[debug] ffmpeg command line: ffmpeg -y -headers 'Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/47.0 (Chrome)
' -i 'https://video3.fra01.hls.ttvnw.net/hls30/imaqtpie_23058460608_509819361/chunked/index-live.m3u8?token=id=1697822055993663576,bid=23058460608,exp=1472827729,node=video3.fra01,nname=video3.fra01,proto=https,fmt=chunked&sig=00613d6b076b896be966c059928f334c574a5402' -c copy -f mp4 -bsf:a aac_adtstoasc 'file:imaqtpie 2016-09-01 21_49-23058460608.mp4.part'
ffmpeg version 3.1.3 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 6.2.0 (Debian 6.2.0-1) 20160822
  configuration: --cc='ccache cc' --disable-decoder=amrnb --disable-decoder=libopenjpeg --d

Then it goes into m3u8 download.

[dstftw]

Duplicate of #10421.
mpv bugs should be addressed to mpv developers.
youtube-dl -o - URL | mpv - works fine.