[Youtube] 360 videos url with separated video/audio can not display normal 360 view.

[ZuoSyuan]

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

PS C:\workspace> .\youtube-dl.exe -v  "https://www.youtube.com/watch?v=H6SsB3JYqQg" -f 'bestvideo+bestaudio/best'
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://www.youtube.com/watch?v=H6SsB3JYqQg', '-f', 'bestvideo+bestaudio/best', '--no-check-certificate']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2018.01.07
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.16299
[debug] exe versions: none
[debug] Proxy map: {}
[youtube] H6SsB3JYqQg: Downloading webpage
[youtube] H6SsB3JYqQg: Downloading video info webpage
[youtube] H6SsB3JYqQg: Extracting video information
WARNING: You have requested multiple formats but ffmpeg or avconv are not installed. The formats won't be merged.
[debug] Invoking downloader on 'https://r7---sn-ipoxu-un56.googlevideo.com/videoplayback?expire=1515661840&gir=yes&requiressl=yes&keepalive=yes&pl=23&ei=sNVWWsPtEsivgQOwhLqACw&ip=118.163.84.235&initcwndbps=785000&xtags=tx%3D23704842%3Avproj%3Dmesh&id=o-AJZoNb6VS0PMjf-n7wXb3YQTFMpLkv5p_RspvHxQIsPb&sparams=aitags%2Cclen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Ckeepalive%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cxtags%2Cexpire&source=youtube&mm=31&mn=sn-ipoxu-un56&clen=783573347&ms=au&mt=1515640127&mv=m&dur=492.058&ipbits=0&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C264%2C266%2C271%2C278%2C313&mime=video%2Fmp4&itag=266&key=yt6&lmt=1507314145930387&signature=8C764C1085081B3754A468FA63BF6FCBF96C2605.34DAE19AC0DDE85F19C785C0ECDDA23868CDC796&ratebypass=yes'
[download] Destination: Experience the Blue Angels in 360-degree video-H6SsB3JYqQg.f266.mp4
[download] 100% of 747.27MiB in 01:09
[debug] Invoking downloader on 'https://r7---sn-ipoxu-un56.googlevideo.com/videoplayback?expire=1515661840&gir=yes&requiressl=yes&keepalive=yes&pl=23&ei=sNVWWsPtEsivgQOwhLqACw&ip=118.163.84.235&initcwndbps=785000&id=o-AJZoNb6VS0PMjf-n7wXb3YQTFMpLkv5p_RspvHxQIsPb&sparams=clen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Ckeepalive%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cexpire&source=youtube&mm=31&mn=sn-ipoxu-un56&clen=7818493&ms=au&mt=1515640127&mv=m&dur=492.216&ipbits=0&mime=audio%2Fmp4&itag=140&key=yt6&lmt=1507272343187911&signature=7D2393B2EC3829C15DD61AB81832661BC488A49C.DA5792840B99BEE563AE7D4C673B0ED999B99E08&ratebypass=yes'
[download] Destination: Experience the Blue Angels in 360-degree video-H6SsB3JYqQg.f140.m4a
[download] 100% of 7.46MiB in 00:00
...
<end of log>

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This Youtube video is a 360 content.
I try to play the downloaded video with Chrome browser and it can not display a correct 360 view.
Then I direct open the http url with Chrome, it does not display correctly either.

I guess Youtube has changed the format returned by the url template youtube-dl use.
Are there another url template youtube-dl can get to replace the current using?

[dstftw]

There is no such thing as url template. All download URLs are provided by Youtube and use by youtube-dl intact.