View Full Version : RE: Help for reversing a video clip


=?Utf-8?B?dG9taG9mZm1v?=
07-07-2004, 02:10 AM
Great, thanks. I have been wondering how to do this. Does anyone know if this is an effect that Microsoft will be adding anytime soon? Is there some technical difficulty that makes it a difficult effect to implement? Just wondering...

In the past I have achieved a reverse motion effect by recording it from the camera as such. That is, when transferring to the computer, I pushed play and then rewind on the camera. I've been able to do this with other DV editors, but can't say I've tried it with MM2.

"Gary Townsend" wrote:

> I remember this coming up here periodically, and I've used the method outlined on PapaJohn's home page where you split the clip up into individual pictures and then reverse their order.
>
> Today someone over on the Roxio boards put a link up to a freeware program called "Slide Show Movie Maker". The beauty of this little piece of software is that you can set the duration of your individual pictures in _frames_ rather than in parts of a second. This alleviates the tinkering with the duration and speed to get your clip to play at the correct speed when you reverse it.
>
> I haven't tried the program yet, but the fellow that recommended it spoke quite highly of it. The link is:
>
> http://www.joern-thiemann.de/subpage/index.htm?/tools/ssmm/index.htm
>
> I don't typically post here a lot, but PapaJohn and John Kelly have helped me out in the past when I've been stuck, so I wanted to post this in case it would help make this process a little easier for anyone.
>
> Regards,
>
> Gary

Rehan
07-07-2004, 01:01 PM
> "tomhoffmo" <tomhoffmo@discussions.microsoft.com> wrote in message
> news:D47A17A3-B8D0-489B-BEE2-178E52FC71D3@microsoft.com...

> Does anyone know if this is an effect that Microsoft will be
> adding anytime soon? Is there some technical difficulty that
> makes it a difficult effect to implement? Just wondering...
>

Yes there is a technical difficulty in writing such filter for Movie Maker.
The custom effects and transition framework in MM is restrictive in that it
only gives you one frame at a time to process rather than the whole clip...
so it is not possible to get to the end of the clip without going throguh
all the frames first... But once you have gone to the end, there is no way
you can access the first frame...

I am a developer and have been trying to figure out a way to do this for
while but so far havent got any luck. It seems impossible to me (so far) :-(

Rehan

Graham Hughes, MVP Digital Media
07-07-2004, 02:24 PM
I'm sure you can do it Rehan :)

--
Graham Hughes
MVP
www.simplydv.co.uk
www.dvds2treasure.com
"Rehan" <rehan@nospamntlworld.com> wrote in message
news:uQp3eoBZEHA.1152@TK2MSFTNGP09.phx.gbl...
>
> > "tomhoffmo" <tomhoffmo@discussions.microsoft.com> wrote in message
> > news:D47A17A3-B8D0-489B-BEE2-178E52FC71D3@microsoft.com...
>
> > Does anyone know if this is an effect that Microsoft will be
> > adding anytime soon? Is there some technical difficulty that
> > makes it a difficult effect to implement? Just wondering...
> >
>
> Yes there is a technical difficulty in writing such filter for Movie
Maker.
> The custom effects and transition framework in MM is restrictive in that
it
> only gives you one frame at a time to process rather than the whole
clip...
> so it is not possible to get to the end of the clip without going throguh
> all the frames first... But once you have gone to the end, there is no way
> you can access the first frame...
>
> I am a developer and have been trying to figure out a way to do this for
> while but so far havent got any luck. It seems impossible to me (so far)
:-(
>
> Rehan
>
>
>

Rehan
07-08-2004, 04:57 AM
Graham, Thanks for the encouragement.

In that case I sure can appreciate some more of your great help ... It seems
that Microsoft are hiding quite a few details about Movie Maker. How can we
extract such info from them ? They have previously suggested to another user
that one can write a directshow filter for reversing a clip, but i cant find
any details about this anywhere. i have written a few dshow filters but dont
know how to plug them into movie maker.

Rehan



"Graham Hughes, MVP Digital Media" <graham@simplydv.co.uk> wrote in message
news:ehTQ0WCZEHA.712@TK2MSFTNGP11.phx.gbl...
> I'm sure you can do it Rehan :)
>
> --
> Graham Hughes
> MVP
> www.simplydv.co.uk
> www.dvds2treasure.com
> "Rehan" <rehan@nospamntlworld.com> wrote in message
> news:uQp3eoBZEHA.1152@TK2MSFTNGP09.phx.gbl...
>>
>> > "tomhoffmo" <tomhoffmo@discussions.microsoft.com> wrote in message
>> > news:D47A17A3-B8D0-489B-BEE2-178E52FC71D3@microsoft.com...
>>
>> > Does anyone know if this is an effect that Microsoft will be
>> > adding anytime soon? Is there some technical difficulty that
>> > makes it a difficult effect to implement? Just wondering...
>> >
>>
>> Yes there is a technical difficulty in writing such filter for Movie
> Maker.
>> The custom effects and transition framework in MM is restrictive in that
> it
>> only gives you one frame at a time to process rather than the whole
> clip...
>> so it is not possible to get to the end of the clip without going throguh
>> all the frames first... But once you have gone to the end, there is no
>> way
>> you can access the first frame...
>>
>> I am a developer and have been trying to figure out a way to do this for
>> while but so far havent got any luck. It seems impossible to me (so far)
> :-(
>>
>> Rehan
>>
>>
>>
>
>