Use of vedio tag in html5

#1

i am trying to use vedio tag with mkv , 3gp but vedio is not playing . i have tried in both chrome and opera.
though vedio is playing in audio format.

here is code -

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#2

Please provide the HTML file and link to the mkv.
There can be various reasons for the failure including unsupported Codec, missing video tag attributes, etc.

#4

For chrome, you may try:
<video> <source src="video.mkv" type="video/mp4"> </video>