[whatwg] Video : Slow motion, fast forward effects

Chris Double chris.double at double.co.nz
Thu Aug 7 01:10:33 PDT 2008

On Thu, Aug 7, 2008 at 6:20 PM, Ian Hickson <ian at hixie.ch> wrote:
> On Thu, 7 Aug 2008, Biju Gm at il wrote:
>> On Thu, Aug 7, 2008 at 1:49 AM, Ian Hickson <ian at hixie.ch> wrote:
>> > playbackRate is the right way to do it, but maybe Firefox doesn't yet
>> > support it.
>> So can I assume HTML5 spec also allow playbackRate  to be negative value.
>> ie to support go backward at various speed....
> Yes.

Would you expect the audio to be played backwards too?

Given that codecs are often highly optimized for forward playback the
cost in memory can be excessive to go the other way. Could there be a
possibility to say 'reverse playback not supported'?


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