Repository: youtube-dl
Issue: Adobe Spark
Labels: site-support-request

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## Checklist

<!--
Carefully read and work through this check list in order to prevent the most common mistakes and misuse of youtube-dl:
- First of, make sure you are using the latest version of youtube-dl. Run `youtube-dl --version` and ensure your version is 2020.03.24. If it's not, see https://yt-dl.org/update on how to update. Issues with outdated version will be REJECTED.
- Make sure that all provided video/audio/playlist URLs (if any) are alive and playable in a browser.
- Make sure that site you are requesting is not dedicated to copyright infringement, see https://yt-dl.org/copyright-infringement. youtube-dl does not support such sites. In order for site support request to be accepted all provided example URLs should not violate any copyrights.
- Search the bugtracker for similar site support requests: http://yt-dl.org/search-issues. DO NOT post duplicates.
- Finally, put x into all relevant boxes (like this [x])
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- [ x] I'm reporting a new site support request
- [ x] I've verified that I'm running youtube-dl version **2020.03.24**
- [x ] I've checked that all provided URLs are alive and playable in a browser
- [ x] I've checked that none of provided URLs violate any copyrights
- [x ] I've searched the bugtracker for similar site support requests including closed ones


## Example URLs

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Provide all kinds of example URLs support for which should be included. Replace following example URLs by yours.
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 https://spark.adobe.com/video/YS8iG2JaYeaOr?w=_7758

## Description

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> Adobe Spark is an integrated suite of media creation applications for mobile and web developed by Adobe Systems. It comprises three separate design apps: Spark Page, Spark Post, and Spark Video. Wikipedia
> Initial release: May 19, 2016
> Developer(s): Adobe Systems


Falls back to generic, but fails with:

youtube-dl.py -v "https://spark.adobe.com/video/YS8iG2JaYeaOr?w=_7758"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://spark.adobe.com/video/YS8iG2JaYeaOr?w
=_7758']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2020.03.24
[debug] Python version 3.6.3 (CPython) - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg N-71727-g46778ab, rtmpdump 2.4
[debug] Proxy map: {}
[generic] YS8iG2JaYeaOr?w=_7758: Requesting header
WARNING: Falling back on generic information extractor.
[generic] YS8iG2JaYeaOr?w=_7758: Downloading webpage
[generic] YS8iG2JaYeaOr?w=_7758: Extracting information
ERROR: Unsupported URL: https://spark.adobe.com/video/YS8iG2JaYeaOr?w=_7758
Traceback (most recent call last):
  File "C:\Transmogrifier\youtube-dl.py\youtube_dl\YoutubeDL.py", line 797, in e
xtract_info
    ie_result = ie.extract(url)
  File "C:\Transmogrifier\youtube-dl.py\youtube_dl\extractor\common.py", line 53
0, in extract
    ie_result = self._real_extract(url)
  File "C:\Transmogrifier\youtube-dl.py\youtube_dl\extractor\generic.py", line 3
352, in _real_extract
    raise UnsupportedError(url)
youtube_dl.utils.UnsupportedError: Unsupported URL: https://spark.adobe.com/vide
o/YS8iG2JaYeaOr?w=_7758



Thanks Ringo