[Twitter] Support STREAMABLE embed

[RingoTheDog]

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• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like that [x])
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2016.10.21.1. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2016.10.21.1

Before submitting an issue make sure you have:

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

What is the purpose of your issue?

• 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

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

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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 ```):

C:\>youtube-dl.py -v "https://twitter.com/FutbolsaCountry/status/790253463028568
065"
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'https://twitter.com/FutbolsaCountry/status/79
0253463028568065']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2016.10.21.1
[debug] Python version 3.5.1 - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg 3.1.4, ffprobe 3.1.4
[debug] Proxy map: {}
[twitter] 790253463028568065: Downloading webpage
[twitter:card] 790253463028568065: Downloading webpage
ERROR: No video formats found; please report this issue on https://yt-dl.org/bug
 . Make sure you are using the latest version; type  youtube-dl -U  to update. B
e sure to call youtube-dl with the --verbose flag and include its complete outpu
t.
Traceback (most recent call last):
  File "C:\youtube-dl.py\youtube_dl\YoutubeDL.py", line 694, in extract_info
    ie_result = ie.extract(url)
  File "C:\youtube-dl.py\youtube_dl\extractor\common.py", line 356, in extract
    return self._real_extract(url)
  File "C:\youtube-dl.py\youtube_dl\extractor\twitter.py", line 175, in _real_ex
tract
    self._sort_formats(formats)
  File "C:\youtube-dl.py\youtube_dl\extractor\common.py", line 923, in _sort_for
mats
    raise ExtractorError('No video formats found')
youtube_dl.utils.ExtractorError: No video formats found; please report this issu
e on https://yt-dl.org/bug . Make sure you are using the latest version; type  y
outube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and
include its complete output.
...
<end of log>

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If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

• Single video: https://twitter.com/FutbolsaCountry/status/790253463028568065

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Description of your issue, suggested solution and other information

Pointing directly to the streamable video DOES work correclty:
https://streamable.com/l5zg

Thanks
Ringo

[yan12125]

https://streamable.com/l5zg is dead. Any new example?

[yan12125]

Closing as no new example for a long time. Feel free to leave comments below or open a new issue if there's a new one.