dev builds
themes manual
device status forums
mailing lists
IRC bugs
dev guide

Rockbox mail archive

Subject: Re: single pass .rvf video conversion with DirectShow filter

Re: single pass .rvf video conversion with DirectShow filter

From: John Wunder <>
Date: Fri, 02 Apr 2004 17:05:33 -0500

Sure, I can go for it. It should be pretty simple cause I already have all
the conversion stuff encapsulated in a separate class...the GUI is totally
separate and so can probably stay the same(besides the stuff about the

I have limited experience in COM, so as long as it doesn't get overly
that shouldn't be a problem. Accessing them is the easy part anyway.

I won't be able to do too much from Thursday to Sunday next week because
I'm doing
stuff for Easter. Up until then and after then I'm good though.

Oh, if anyone else with more experience wants to do it, I'm all for it.


On Fri, 02 Apr 2004 21:47:54 +0200 (MEST), [IDC]Dragon <>

> Hello,
> it's implementation friday again!
> Since a while, I have been working on a way to convert videos to .rvf
> directly in one step, quick and without any preprocessing/scaling, etc.
> It is a
> DirectShow renderer, consuming YUV video and MPEG audio which the rest
> of the
> infrastructure (the regular demux/decoders for media files) can provide.
> My
> component does the scaling, halftoning and the multiplexing. No HD
> spilled with
> big temporary files, and more variety of media to use as a source.
> This code is now moving for the first time, you can try my alpha version
> in
> a sneak preview:
> (fresh off the bench, no guarantee that it'll work for you, don't
> complain
> too loud)
> You will find a readme file there explaining the rest, how to use it with
> the "GraphEdit" test application from the MS DirectX9 SDK. I have
> included that
> there, so you don't have to download the whole SDK from Microsoft. ;-)
> I'd welcome a volunteer who makes a conversion application around this.
> It's
> not difficult, some COM interfaces can tie such a graph together. John?
> Have fun,
> Jörg

Received on 2004-04-03

Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy