Quote:
Originally Posted by KevinH
Could be.
But technically, video tags are not allowed in epub2 according to the official spec. Both calibre and Sigil supported it under epub2 as extensions. I assume iBooks did the same. Full support for a limited set of video formats (and even using external video resources) was not added to the spec officially until epub3.
So support under epub2 is very spotty at best by many e-readers. Most real epub3 readers should now support it.
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I just checked and we are "fo sho'" using that in ePUB3. I am reasonably certain we used it in ePUB2, too, b/c at the time, that was an iBooks requirement (which was the only bloody place you could play video, anyway, in terms of the regular "retail" market, ignoring Azardi, Readium, et al.)
Lemme see...yup. As far back as 2011, you had to use a "poster" image, for iBooks. The coding (this is copied verbatim from
"iBookstoreAssetGuide.pdf" 4.7, Rev.4, p. 22, 2011-07-13) was:
Code:
video src="video/H264-640x480.m4v" controls="controls"
poster="images/posterimage.jpg" width="320" height="240"/>
Yowzers, it's a miracle I can remember that. What I do recall--this was a book for a new publisher client, a formerly VERY successful, Edgar-winning trade-pubbed author, set up her own publishing house and omg, she just had to have video in her eBook, this flagship ebook for her publishing company. We screwed around with it a lot. I mean...2011, ya know?
It worked. I have video of it working (ha!) on my website, I think. Dang, that was only what, 11 years ago?
Hitch