Youtube Tests 3D Stereoscopic Video Player - YT3D
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Search Engine Roundtable published an interesting post about a thread that the author discovered on the YouTube help forum which points to a Youtube engineer (Googler Pete), who been developing the capability to view videos on Youtube - in 3D with a stereoscopic player.
You can see a preview of this in action by searching Youtube for the tag "yt3d:enable=true"
Googler Pete, the engineer for this functionality, posted the following in response to the community that was inquiring about the feature:
I'm the developer working on the stereoscopic player as a 20% project. It's currently very early, hence the silly bugs like swapping the eyes for the anaglyph modes. A fix for this is in the works.
Additionally, he goes on to provide information on the provisional tags that are needed to enable this:
- yt3d:enable=true - Enables the view mode.
- yt3d:aspect=3:4 - Sets the aspect of the encoded video.
- yt3d:swap=true - Swaps the left and right sources.
- yt3d:left=0_0.1_0.5_0.9 and yt3d:right=0.5_0.1_1_0.9 - These tags are very provisional and most useful for fixing up old videos. They set the source area for each eye as pairs of coordinates x1_y1_x2_y2. The scale of these coordinates is 0,0 for the the top left down to 1,1 for the bottom right.
Another help forum member posted these additional tips:
You need to upload your left and right views stacked together horizontally in the same video frame. I am not sure about the inner workings of the youtube re-encoding process so i do not know if it is better to upload il full resolution or to squash the videos in a standard frame. But both work thanks to the aspect tags.
You can stack the videos either in L|R pattern (parallel) or in R|L pattern (crosseyed). According to what Pete said : the standard pattern should be R|L, but you can perfectly use L|R if you want, you just need to add the swap tag. You can also use over/under (vertical stacking) patterns using the left and right tags (i made a test and it works) but since this is still beta, the tags are subject to change.
Once the video is uploaded you can change the tags at any moment, all the 3d conversion is performed on the fly when playing the video, just like in other stereoscopic player software.
Pretty Cool. I wish I had a pair of glasses on me to test it out. Way to go Pete.
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About the Author - Mark R Robertson
Mark Robertson is the Founder and Publisher of ReelSEO, an online information resource dedicated to the fusion of video, technology, social media, search, and internet marketing. He is a professional online video marketing consultant and video SEO expert, popular speaker, and considered to be a passionate leader within the online video and search marketing industries. Follow Mark on Twitter (@markrrobertson), or Google+. - View All Posts By Mark R Robertson
