[foms] Proposal: adaptive streaming using open codecs

Silvia Pfeiffer silviapfeiffer1 at gmail.com
Mon Oct 18 15:13:55 PDT 2010

I don't think anything in this spec is format-specific and as such can be applied to Ogg and others, too. The discussion was certainly meant to come up with an open spec usable for any format. The description mentions WebM at times but I have regarded that as a placeholder. If you spot anything that's not generally applicable, please do raise it!


On 19/10/2010, at 8:01 AM, Diego Biurrun <diego at biurrun.de> wrote:

> On Mon, Oct 18, 2010 at 11:19:18PM +1100, Silvia Pfeiffer wrote:
>> On Mon, Oct 18, 2010 at 11:07 PM, Diego Biurrun <diego at biurrun.de> wrote:
>>> On Mon, Oct 18, 2010 at 01:58:19PM +0200, Jeroen Wijering wrote:
>>>> Here is a (rough and incomplete) proposal for doing adaptive streaming
>>>> using open video formats. WebM is used as an example, but all points
>>>> should apply to Ogg as well.
>>> Now I haven't attended FOMS and not followed this discussion, but what's
>>> this talk about streaming "open" video formats (adaptively) all about?
>>> If you wish to stream video, stream video.  Don't mandate what format
>>> to stream.  This will buy you nothing, except reducing utility and
>>> mindshare.
>> Hey, you should have been there! Would have been awesome!
> Hopefully next time around, *sigh*
>> The thing is, everyone is full of doing adaptive streaming over HTTP
>> these days where you don't have to install any new software on your
>> Web server and the Web client will just be able to switch to
>> lower/higher bandwidth streams for the same video so as to continue
>> playing without needing to go into buffering mode. It works really
>> well for mobile devices - Apple, MS, Adobe are all doing it for MPEG.
>> There is a market need to do the same for open formats: WebM and Ogg.
>> Not stream over RTP/RTSP, but stream over HTTP adaptively. There is a
>> market need - this is a reaction to it. I think it's a good thing to
>> widen the utility of open formats with such a spec.
> Then why is this (seemingly) restricted to certain formats?  Design it
> in a format-neutral fashion to maximise its utility and allow for
> possibly widespread adoption...
> Diego
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