I'd be curious what you think about the proposal at http://wiki.whatwg.org/wiki/Video_Metrics which is being addressed through bugs https://www.w3.org/Bugs/Public/show_bug.cgi?id=14970 and https://www.w3.org/Bugs/Public/show_bug.cgi?id=12399 .
Regards, Silvia. On Wed, Feb 22, 2012 at 11:06 AM, Rodger Combs <rodger.co...@gmail.com> wrote: > I propose that <source> add a quality, bitrate, or filesize attribute to > allow the UA to decide between multiple streams by choosing the maximum > quality file that it can download within a reasonable amount of time (e.g. it > will download faster than it will play) or based on a user preference (e.g. > prefer SD quality, or always use HD when provided). It should also be > possible to retrieve a list of the <source>s the UA can play in JS, and > switch between them by user action (either a JS call for a custom UI or a > dropdown in the builtin UI), loading the new file and switching to it with > minimal skipping. This way, a site like YouTube, which presents several files > in various bitrates and codecs, can allow the user to choose to use a higher > quality without having to force an src attribute on the video, and a mobile > UA that roams from 3G to WiFi or moves close to a base station can increase > the quality of its stream. I think it fits in well with the purpose of the > source element. This is certainly open for modification, but I think it's a > good concept in essence.
