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Video file automatic play dont work, why?

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This video runs fine in IE11, and earlier it worked also in Firefox. But now not. See: (http://uudet.titako.fi/data/documents/c6d_esitys_2016.mp4) Why ? What I should change? BG JTS

This video runs fine in IE11, and earlier it worked also in Firefox. But now not. See: (http://uudet.titako.fi/data/documents/c6d_esitys_2016.mp4) Why ? What I should change? BG JTS

Chosen solution

It looks that Firefox doesn't support the video data stream (YUV 4:2:0) and tries to play it as an audio stream if I check this in the right-click context menu and there is seems to be no audio in this stream, so there is only silence. If it worked previously then a plugin might have been used instead of the HTML5 media player (video tag). You will have to save the file and play it with another media player like MPlayer or VLC.

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0

More Information

FredMcD
  • Top 10 Contributor
4307 solutions 60472 answers

The link says format not supported.

Please explain the problem in detail. What happens? What are the exact error message(s) ?

The link says format not supported. Please explain the problem in detail. What happens? What are the exact error message(s) ?
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Question owner

Hello Fred,

After Click to link, I get Black screen and Video Timeline running.

Nothing else. No error messages. See attached PNG file.

The video is self made from screen capture and edition with Pinnacle Studio.

BG Tapio

Hello Fred, After Click to link, I get Black screen and Video Timeline running. Nothing else. No error messages. See attached PNG file. The video is self made from screen capture and edition with Pinnacle Studio. BG Tapio
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FredMcD
  • Top 10 Contributor
4307 solutions 60472 answers

I called for more help.

I called for more help.
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cor-el
  • Top 10 Contributor
  • Moderator
17680 solutions 159964 answers

Chosen Solution

It looks that Firefox doesn't support the video data stream (YUV 4:2:0) and tries to play it as an audio stream if I check this in the right-click context menu and there is seems to be no audio in this stream, so there is only silence. If it worked previously then a plugin might have been used instead of the HTML5 media player (video tag). You will have to save the file and play it with another media player like MPlayer or VLC.

It looks that Firefox doesn't support the video data stream (YUV 4:2:0) and tries to play it as an audio stream if I check this in the right-click context menu and there is seems to be no audio in this stream, so there is only silence. If it worked previously then a plugin might have been used instead of the HTML5 media player (video tag). You will have to save the file and play it with another media player like MPlayer or VLC.
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