<video controls>
<source id=missing-src type="video/blahblah">
<source id=bogus-type src=content/test.mp4 type="video/blahblah">
- <source id=unsupported-media-query src=content/test.mp4 media=print>
<source id=missing-file src=content/error2.mpeg type=video/mpeg>
<source id=format-error src="content/unsupported_track.mov">
<source id=supported-format-mp4 src=content/test.mp4 type="video/mp4; codecs="avc1.4D400C"">