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Change shadowfile dimensions
juicy4improv [Avatar]
Newbie Joined: Feb 10, 2011 20:16 Messages: 2 Offline
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Hi all,

After using the search for some time I couldn't find an answer, so here goes:

It is possible, by any means at all, to alter the dimensions of the shadowfiles in Power Director 9 on Windows 7 Home Premium? Any solution, including hacks of any sort, will do.

Here is why I ask:

I am running said version to edit 720p movies from iPhone and a Sony point-n-click camera on an Asus netbook 1215PN. For obvious reasons this is not an ideal system for that purpose, except that I'm on a world trip lasting 12+ months and it would be near impossible to carry around a normal setup. A lightweight netbook is much more convenient. Carefully selecting the right notebook and configuration we are well capable to edit 720p video's of up to +/- 6 minutes in time, typically 20-30 different shots and background music. For us, that's all we need.

To make this (at all) possible we chose the ASUS 1215PN netbook which comes with 2Gb of memory, an Atom D525 dual core, NVidia's ION2 chipset and a 1366x768 resolution. We normally copy video's at the end of the day from our camera to the computer and have shadowfiles created overnight. We're ready for editing once we get into a bus or flight the next morning. To boost performance we altered the settings in the registry (making a copy of the originals first) so that Power Director's working directory and all shadowfiles are created on a Sandisk SDHC Ultra2 8Gb ssd card that sits in an integrated slot in the netbook. This comes with a huge gain while editing the timeline. Before editing we always reboot and run a script that will kill any unnecesary software, such as windows networking services, windows desktop themes and such. This also just adds to making the most resources possible for power director.

All this works well (you'd be amazed at how well and it's HD video editing on a netbook!), but we still have to be somewhat patient people, and we're looking for ways to further stretch the limit.

Our preview window, on screen, is actually 479x270 pixels.The actual shadow files created by Power Director have a resolution of 720x480. That's much smaller than the original, but still unnecesary large. If there would be any way to reduce them in size to 479x270 then Power Directory will simply have less data to process while editing the timeline and therefor perform better during timeline edit. Ideally, we would have Power Directory do this directly while creating them.

I have not tried converting the shadowfiles to a lower resolution by a third party tool yet but I might give that a try, even though it would mean shadowfile creation would become a two-step process.

Thanks so much!

Juice
James Dotson
Senior Contributor Location: Tennessee Joined: Aug 24, 2009 20:40 Messages: 3066 Offline
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Interesting question. I have never seen any way to change this setting. Maybe someone else will have a different answer. __________________________________
CORNBLOSSOM
JL_JL [Avatar]
Senior Contributor Location: Arizona, USA Joined: Oct 01, 2006 20:01 Messages: 6091 Offline
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I have not snooped around if the shadow file resolution can be tweaked via an ini file, regedit or the like as I don’t use it. I’ve used the approach below successfully in the past with a previous PD version. I took my original footage, say orig.mts, and produced a very low res production, say lowres.mpg. This is really what PD is doing so time duration is about the same. I then edited the lowres.mpg file in PD and did my cuts, transitions and the like, just not screen snapshots for obvious reasons. When done editing I simply replaced the lowres.mpg file name with orig.mts in the *.pds file for my final production. It worked fine for me, it does require that no frames are dropped for some reason while creating the lowres file compared to the orig file.

Jeff
juicy4improv [Avatar]
Newbie Joined: Feb 10, 2011 20:16 Messages: 2 Offline
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That's promising JL_JL, and much preferred to first having to make the shadowfiles through PD and resizing them again after that. All I need for this to work is creating a batch that converts all files to a smaller format. I'll Google a bit to find out how that's done easiest.
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