- From: Peter Kasting <pkasting@google.com>
- Date: Tue, 14 Oct 2008 11:28:08 -0700
On Tue, Oct 14, 2008 at 8:00 AM, Eric Carlson <eric.carlson at apple.com>wrote: > Some media formats and/or engines may not support reverse playback, but I > think it is a mistake for the spec to mandate this behavior. Why is reverse > playback different from other situations described in the spec where > different UAs/ media formats will result in different behavior, eg. pitch > adjusted audio, negotiation with a server to achieve the appropriate > playback rate, etc? > > I think the current sentence that talks about audio playback rate: > > When the playbackRate is so low or so high that the user agent cannot play > audio usefully, the corresponding audio must not play. > > could be modified to include reverse playback as well: > > When the playbackRate is such that the user agent cannot play audio > usefully (eg. too low, too high, negative when the format or engine does not > support reverse playback), the corresponding audio must not play. Agree wholeheartedly. Mandating silence during reverse playback seems bizarre in the abstract, unnecessary if authors have a way to mute, and potentially detrimental to future applications which may _want_ to be able to do this in a controlled fashion (e.g. a virtual turntable application). PK -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.whatwg.org/pipermail/whatwg-whatwg.org/attachments/20081014/ffe62bad/attachment.htm>
Received on Tuesday, 14 October 2008 11:28:08 UTC