[usf-devel] Re: [Matroska-devel] Final call : USF muxing in MKV, and playback on DShow and Gstreamer

Liisachan Liisachan at faireal.net
Tue Dec 7 19:33:22 CET 2004

Paul Bryson <atamido at gmail.com> wrote:

> On Tue, 07 Dec 2004 09:38:21 +0100, Steve Lhomme <steve.lhomme at free.fr> wrote:
> >  From what I understand it's not a USF problem (and USF will not solve=20
> > such problems magically). I know there are some problems but I don't=20
> > know the precise details.
> No, but if someone writes a brand new subtitle renderer for
> DirectShow, it could possible eliminate these issues in Windows 98.

That's what I meant.

Besides, altho MPC already supports USF, the USF spec has been 
updated heavily, like Unmei said:
"VSFilter supports USF to a certain degree. IIRC it supports 
most of the old specs, but it borked in some weird places the 
normal user might not even ever use. On the other hand it does 
not support any of the experimental features and Gabest is 
unlikely to extend its functionality (i fear)."


Unmei can explain more but the bottom line is, a new filter is 
needed, possibly developed from scratch, and if so,
it is supposed to support Unicode etc. independently
from the VSFilter's problems.

For instance, USF is now supposed to support what is 
called RUBY, which will rock the subbers in E Asia.
Unmei's rasterizer already supports it too.
There might be more ppl who will praise USF than you'd expect.
I mean it :)


> Atamido
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