Check out example codes for "html5 video player". It will help you in understanding the concepts better.

Code Example 1

<video width="320" height="240" controls>
  <source src="movie.mp4" type="video/mp4">
  <source src="movie.ogg" type="video/ogg">
Your browser does not support the video tag. <!-- Text to be shown incase browser doesnt support html5 -->
</video>

Code Example 2

<video width="320" height="240" controls>

  <source src="movie.mp4" type="video/mp4">

  <source src="movie.ogg" type="video/ogg">

Your browser does not support the video tag.

</video>

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