{"action":"created","issue":{"url":"https://api.github.com/repos/WICG/media-capabilities/issues/85","repository_url":"https://api.github.com/repos/WICG/media-capabilities","labels_url":"https://api.github.com/repos/WICG/media-capabilities/issues/85/labels{/name}","comments_url":"https://api.github.com/repos/WICG/media-capabilities/issues/85/comments","events_url":"https://api.github.com/repos/WICG/media-capabilities/issues/85/events","html_url":"https://github.com/WICG/media-capabilities/issues/85","id":328254846,"node_id":"MDU6SXNzdWUzMjgyNTQ4NDY=","number":85,"title":"VP9 codec string and backward compatibility","user":{"login":"joeyparrish","id":6843156,"node_id":"MDQ6VXNlcjY4NDMxNTY=","avatar_url":"https://avatars0.githubusercontent.com/u/6843156?v=4","gravatar_id":"","url":"https://api.github.com/users/joeyparrish","html_url":"https://github.com/joeyparrish","followers_url":"https://api.github.com/users/joeyparrish/followers","following_url":"https://api.github.com/users/joeyparrish/following{/other_user}","gists_url":"https://api.github.com/users/joeyparrish/gists{/gist_id}","starred_url":"https://api.github.com/users/joeyparrish/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/joeyparrish/subscriptions","organizations_url":"https://api.github.com/users/joeyparrish/orgs","repos_url":"https://api.github.com/users/joeyparrish/repos","events_url":"https://api.github.com/users/joeyparrish/events{/privacy}","received_events_url":"https://api.github.com/users/joeyparrish/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-05-31T18:48:50Z","updated_at":"2018-06-01T20:10:41Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"The Shaka Player demo has lots of content with `codecs=\"vp9\"` in it.  `isTypeSupported()` understands this string, but MC in Chrome reports that it is not supported.\r\n\r\nIs it intended that MC not support `codecs=\"vp9\"`, but only strings like `codecs=\"vp09.00.10.08\"`?  I could always re-package my own content with these new, more detailed strings, but it seems like there is a bigger issue with compatibility.  If `MediaSource.isTypeSupported('video/webm; codecs=\"vp9\"')` returns `true`, why would it be okay for MC say the same type is not supported?\r\n\r\nIs this an implementation bug in Chrome, or an intended feature of MC?  Are applications expected to translate \"vp9\" into something else?  How should that be done?"},"comment":{"url":"https://api.github.com/repos/WICG/media-capabilities/issues/comments/393995934","html_url":"https://github.com/WICG/media-capabilities/issues/85#issuecomment-393995934","issue_url":"https://api.github.com/repos/WICG/media-capabilities/issues/85","id":393995934,"node_id":"MDEyOklzc3VlQ29tbWVudDM5Mzk5NTkzNA==","user":{"login":"joeyparrish","id":6843156,"node_id":"MDQ6VXNlcjY4NDMxNTY=","avatar_url":"https://avatars0.githubusercontent.com/u/6843156?v=4","gravatar_id":"","url":"https://api.github.com/users/joeyparrish","html_url":"https://github.com/joeyparrish","followers_url":"https://api.github.com/users/joeyparrish/followers","following_url":"https://api.github.com/users/joeyparrish/following{/other_user}","gists_url":"https://api.github.com/users/joeyparrish/gists{/gist_id}","starred_url":"https://api.github.com/users/joeyparrish/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/joeyparrish/subscriptions","organizations_url":"https://api.github.com/users/joeyparrish/orgs","repos_url":"https://api.github.com/users/joeyparrish/repos","events_url":"https://api.github.com/users/joeyparrish/events{/privacy}","received_events_url":"https://api.github.com/users/joeyparrish/received_events","type":"User","site_admin":false},"created_at":"2018-06-01T20:10:41Z","updated_at":"2018-06-01T20:10:41Z","author_association":"CONTRIBUTOR","body":"Fair enough.  That's what we'll do, then."}}
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