Bug#870814: show message if unable to play video

[Alberto Garcia]

On Wed, Jun 26, 2019 at 12:28:28AM +0800, 積丹尼 Dan Jacobson wrote:
> AG> With gstreamer1.0-libav installed ? What video are you exactly trying
> AG> to play ?
> 
> Yes.
> The first one that youtube shows me.
> So OK, give me a youtube movie url that plays for you and I'll try it.

These two for example work fine in my computer:

https://www.youtube.com/watch?v=ePO5PSDxEz0

https://www.youtube.com/watch?v=qigAsdGouX4

I installed gstreamer1.0-plugins-good, gstreamer1.0-gl and
gstreamer1.0-libav

Berto