Issue downloading from Twitter (Unrecognized option 'k')

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Make sure you are using the latest version: run `youtube-dl --version` and ensure your version is 2017.06.25. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

[X ] I've verified and I assure that I'm running youtube-dl 2017.06.25

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[X ] At least skimmed through README and most notably FAQ and BUGS sections
[X ] Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

[X] Bug report (encountered problems with youtube-dl)
[ ] Site support request (request for adding support for a new site)
[ ] Feature request (request for a new functionality)
[ ] Question
[ ] Other

The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

$ youtube-dl -v https://twitter.com/periahdark/status/881302407162068996 --prefer-ffmpeg
[debug] System config: []
[debug] User config: [u'-o', u'[%(upload_date)s][%(id)s] %(title)s (by %(uploader)s).%(ext)s', u'--external-downloader', u'aria2c', u'--external-downloader-args', u'-c -j 10 -x 10 -s 10 -k 1M']
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://twitter.com/periahdark/status/881302407162068996', u'--prefer-ffmpeg']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.06.25
[debug] Python version 2.7.12 - Linux-4.4.0-81-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: avconv 3.3.2-static, avprobe 3.3.2-static, ffmpeg 3.3.2-static, ffprobe 3.3.2-static
[debug] Proxy map: {}
[twitter] 881302407162068996: Downloading webpage
[twitter:card] 881302407162068996: Downloading webpage
[twitter:card] 881302407162068996: Downloading m3u8 information
[debug] Invoking downloader on u'https://video.twimg.com/ext_tw_video/881301932014411776/pu/pl/1280x720/eXaDKaO5s5-tAVEs.m3u8'
[download] Destination: [NA][881302407162068996] David Paez - The fight of the century! Two bitter rivals duke it out! @Leedzie finally takes down couch pig! #MarioMarathon (by David Paez).mp4
[debug] ffmpeg command line: ffmpeg -y -loglevel verbose -c -j 10 -x 10 -s 10 -k 1M -headers 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
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
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/47.0 (Chrome)
' -i 'https://video.twimg.com/ext_tw_video/881301932014411776/pu/pl/1280x720/eXaDKaO5s5-tAVEs.m3u8' -c copy -f mp4 '-bsf:a' aac_adtstoasc 'file:[NA][881302407162068996] David Paez - The fight of the century! Two bitter rivals duke it out! @Leedzie finally takes down couch pig! #MarioMarathon (by David Paez).mp4.part'
ffmpeg version 3.3.2-static http://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 5.4.1 (Debian 5.4.1-11) 20170519
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-5 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gray --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libzimg
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
Unrecognized option 'k'.
Error splitting the argument list: Option not found

ERROR: ffmpeg exited with code 1
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/bin/youtube-dl/__main__.py", line 19, in <module>
    youtube_dl.main()
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 465, in main
    _real_main(argv)
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 455, in _real_main
    retcode = ydl.download(all_urls)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1927, in download
    url, force_generic_extractor=self.params.get('force_generic_extractor', False))
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 773, in extract_info
    return self.process_ie_result(ie_result, download, extra_info)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 865, in process_ie_result
    new_result, download=download, extra_info=extra_info)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 827, in process_ie_result
    return self.process_video_result(ie_result, download=download)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1570, in process_video_result
    self.process_info(new_info)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1834, in process_info
    success = dl(filename, info_dict)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1776, in dl
    return fd.download(name, info)
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/common.py", line 361, in download
    return self.real_download(filename, info_dict)
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/external.py", line 57, in real_download
    self.get_basename(), retval))
  File "/usr/local/bin/youtube-dl/youtube_dl/downloader/common.py", line 163, in report_error
    self.ydl.report_error(*args, **kargs)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 602, in report_error
    self.trouble(error_message, tb)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 564, in trouble
    tb_data = traceback.format_list(traceback.extract_stack())

Description of your issue, suggested solution and other information

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When downloading video from Twitter, youtube-dl passes a "-k" option to FFMPEG which appears to be no longer supported in 3.3.2-static.

ytdl-org / youtube-dl