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 Author Thread: B&W video with some color
Jackie26 is not online. Last active: 11/8/2011 6:42:49 PM Jackie26
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B&W video with some color
Posted: 09 Sep 2007 11:33 AM
is there an effect that would enable a black and white video to have one item in it in color? Like if I was videoing a dog playing with a ball and only the ball had color? Thanks for any help!!!
kathokatho is not online. Last active: 12/29/2011 3:52:08 AM kathokatho
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Re: B&W video with some color
Posted: 09 Sep 2007 12:47 PM
you could take the clip into a paint program frame by frame and colorize the item...labor intensive and very time consuming....there are expensive programs that the pros in Hollywood use to set an item and track it with a filter......

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Nicholas is not online. Last active: 4/28/2012 5:13:15 PM Nicholas
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Re: B&W video with some color
Posted: 09 Sep 2007 05:21 PM
Or, you could try to make one video black and white, and overlay the object to be in color over the video using bluescreen, greenscreen, comp a add b, or PIP+.

Hi! I'm Nick!

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Rehan is not online. Last active: 5/8/2012 5:49:17 PM Rehan
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Re: B&W video with some color
Posted: 09 Sep 2007 08:35 PM
Well, how about this: RehanFX ColorMask and ColorPass sample... (note: link to sample video has expired, but see link below for the installer)

This is something I worked a couple weeks ago. Will need some time to collect the bits and pieces to bring into release form. Watch this space...

Edit:
OK now I can release this: RehanFX ColorMask And ColorPass filters for ShaderTFX.

www.rehanfx.org - do more with Windows Movie Maker...
rehanfx.x10hosting.com - mirror site
considerate_guy is not online. Last active: 8/7/2015 5:49:08 PM considerate_guy
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Re: B&W video with some color
Posted: 09 Sep 2007 08:37 PM
I'd love to see that... can you post the link?

Blaine
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Rehan is not online. Last active: 5/8/2012 5:49:17 PM Rehan
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Re: B&W video with some color
Posted: 09 Sep 2007 08:38 PM
Sorry I had missed out the link. Now fixed.

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Jackie26 is not online. Last active: 11/8/2011 6:42:49 PM Jackie26
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Re: B&W video with some color
Posted: 10 Sep 2007 08:12 AM
Exacty what i was looking for - any chance this would be usable soon? Thanks for everyones help.
Anne14 is not online. Last active: 10/27/2007 8:28:05 PM Anne14
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Re: B&W video with some color
Posted: 10 Sep 2007 09:14 AM
@ Rehan, that's really, absolutely great! Love how it goes!
kathokatho is not online. Last active: 12/29/2011 3:52:08 AM kathokatho
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Re: B&W video with some color
Posted: 10 Sep 2007 09:22 AM
Way to go Rehan...this is fabulous!

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considerate_guy is not online. Last active: 8/7/2015 5:49:08 PM considerate_guy
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Re: B&W video with some color
Posted: 10 Sep 2007 11:59 AM
I can figure out how one would do masking... but I'm interested to see how one does the 'color pass' filter. Nice job, Rehan. I'm running out of ideas to implement for Vista because each time I turn around you implement something I was fomenting in my mind to do.

Blaine
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Nicholas is not online. Last active: 4/28/2012 5:13:15 PM Nicholas
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Re: B-W video with some color
Posted: 10 Sep 2007 04:43 PM
So by any chance would this be able to convert to XP? Or would the architecture of Vista XML not allow you to make it for XP?

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PatrickL is not online. Last active: 12/4/2015 6:48:13 PM PatrickL
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Re: B-W video with some color
Posted: 11 Sep 2007 11:25 AM
view post 549 for some more thoughts on BW/Color mixing.

BW to Color Sample

PatrickL

DPL Freeware Effects and Transitions for Vista MM Website
Rehan is not online. Last active: 5/8/2012 5:49:17 PM Rehan
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Re: B-W video with some color
Posted: 11 Sep 2007 06:30 PM
Excellent stuff Patrick !!!

I am so pleased that you are able to do this. As I mentioned to you earlier, this is the main aim of my ShaderTFX: to make the shader technology accessible to custome transitions and effects writers like yourself. The main architecture is provided by the WMM itself but for some reason MS left out the custom transitions from being able to expolit the shader technology. This gap is filled by ShaderTFX while providing some other tools here are there.

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Nicholas is not online. Last active: 4/28/2012 5:13:15 PM Nicholas
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Re: B-W video with some color
Posted: 11 Sep 2007 06:42 PM
I really want to learn pixel shader and shader coding. Is there anyway you know that I could learn?

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considerate_guy is not online. Last active: 8/7/2015 5:49:08 PM considerate_guy
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Re: B-W video with some color
Posted: 11 Sep 2007 06:57 PM
You can study the parity.fx file that is in the Shared directory to begin with. That has all the standard Vista effects.

You can also study custom effects that people have created. For example if you download my Custom Color Fade Effects it installs three files. In Shared, you get the .fx file and in AddOnTFX you get the .xml and .dll file. The .dll just contains custom icons, so you can ignore those. The .xml is similar to .xml under XP. But the meat of the effect happens in the .fx file. Parameters get passed from the .xml into .fx file. There's a routine that runs for each pixel. Generally you look up that pixel in the image, modify it in some fashion and return the value.

In the example above, my code takes the color version of the pixel and runs it through the routine that makes it grayscale (or sepia), then it does a lerp (linear interpolation) between the two values based on the TIME, so early on at time=0, it returns all grayscale. At time=0.5, it's an even blend of both. At time=1.0, it's all color.

You'll probably also want to read up on pixel shaders and HLSL. I've done this by searching the web for tutorials, examples, etc.

Blaine
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Nicholas is not online. Last active: 4/28/2012 5:13:15 PM Nicholas
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Re: B-W video with some color
Posted: 11 Sep 2007 07:10 PM
Well, I probably won't be able to learn considering I don't have Vista yet.

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considerate_guy is not online. Last active: 8/7/2015 5:49:08 PM considerate_guy
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Re: B-W video with some color
Posted: 11 Sep 2007 07:16 PM
Oh... yeah, it's much easy to learn by "doing" rather than just reading. Plus you'd want to test anything you created too.

Blaine
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Rehan is not online. Last active: 5/8/2012 5:49:17 PM Rehan
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Re: B-W video with some color
Posted: 12 Sep 2007 06:36 AM
You can do some experimentation with pixel shaders in other environments than Vista WMM, if you have the required hardware (good graphics card). I often try out ideas of pixel shaders in Media Player Classic which supports editing and applying shaders live on the video being played.

You can try this patched build of MPC as it comes with the d3dx9.dll.

To enable pixel shaders you need to place the above dll in the same folder where mpc is installed and change a setting in MPC. Goto View > Options > Playback > Output and select "Use tecture surfaces and render video in 3D".

Have fun.

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PatrickL is not online. Last active: 12/4/2015 6:48:13 PM PatrickL
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Re: B-W video with some color
Posted: 15 Sep 2007 11:00 AM
Thanks for the pointer to the patched MPC.

It is good fun, and a good learning tool for HLSL. And useful for 1 image testing of concepts. Just having a compiler with error messages is a great help in tracking down syntax/structure/spelling problems without having to fire up MM to test each change.

PatrickL

DPL Freeware Effects and Transitions for Vista MM Website
Rehan is not online. Last active: 5/8/2012 5:49:17 PM Rehan
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Re: B-W video with some color
Posted: 20 Sep 2007 11:02 AM
Hi Patrick, you should be able to setup your editor to use the off line shader compiler fxc.exe to test your shader code for syntax errors etc. If you use visual studio for editing shader files you can set a User Tool/External Tool with key binding (e.g. Ctrl-\) to configure it such as:
Title: FX Complier
Command: D:\sdks\DXJUNE2007\Utilities\Bin\x86\fxc.exe
Arguments: /Tfx_2_0 /Fcnul /nologo /I "C:\Program Files\RehanFX\ShaderTFX" "$(ItemPath)"

I use the Crimson Editor which allows similar configuration and has HLSL syntax highlighting.

Furthermore note that in Movie Maker the shader is re-evaluated/compiled on the fly so you dont have to re-start WMM to see the effect of new changes... just save the sahder file and re-run the effect/transition in the preview. But those effects that are already applied to a clip in the timeline would sometime cache the sahder code so may need to be removed and re-applied before you can see the new results.

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Rehan is not online. Last active: 5/8/2012 5:49:17 PM Rehan
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Re: B-W video with some color
Posted: 22 Sep 2007 07:01 PM
OK now I can release this: RehanFX ColorMask And ColorPass filters for ShaderTFX.

www.rehanfx.org - do more with Windows Movie Maker...
rehanfx.x10hosting.com - mirror site
slylover123 is not online. Last active: 7/29/2013 7:53:50 PM slylover123
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Re: B&W video with some color
Posted: 17 Apr 2008 09:37 AM
I downloaded the mix effects..they didnt work for me...

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considerate_guy is not online. Last active: 8/7/2015 5:49:08 PM considerate_guy
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Re: B&W video with some color
Posted: 17 Apr 2008 10:23 PM
Did you already download and install the ShaderTFX package? That is needed first. view post 126998

Blaine
Movie Maker (Custom Titles, Effects. etc.)Cool
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Tetusic is not online. Last active: 4/12/2009 9:10:35 PM Tetusic
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Re: B&W video with some color
Posted: 04 Jan 2009 09:43 PM
the colormask ones wont work. it just turns it black and white
MissWhiteMascara is not online. Last active: 12/10/2011 12:20:45 AM MissWhiteMascara
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Re: B&W video with some color
Posted: 21 Oct 2011 10:58 PM
That link doesn't work for me, does it need a fix?
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