[whatwg] Scripted querying of <video> capabilities

Robert O'Callahan robert at ocallahan.org
Wed Aug 20 14:49:52 PDT 2008

On Wed, Aug 20, 2008 at 9:53 PM, Henri Sivonen <hsivonen at iki.fi> wrote:

> Do you mean trying to download each video, giving it to GStreaming and
> seeing if an error code comes back?

That might be what we have to do, yes.

But at least that can be done asynchronously. You couldn't implement a
synchronous JS query API that way of course.

Hmm, I suppose you could implement a synchronous API by making a collection
of videos, one in each known format, and on startup trying to play them all,
and recording which ones were successful. But "ugly" doesn't even begin to
describe that solution.

"He was pierced for our transgressions, he was crushed for our iniquities;
the punishment that brought us peace was upon him, and by his wounds we are
healed. We all, like sheep, have gone astray, each of us has turned to his
own way; and the LORD has laid on him the iniquity of us all." [Isaiah
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