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230 Comments
- davidosomething, on 07/17/2009, -12/+225WITCHCRAFT!!!
- vhold, on 10/12/2007, -2/+156This is what this is called: http://en.wikipedia.org/wiki/Hardware_overlay
- stuartcow, on 11/08/2007, -10/+115NSFW NSFW NSFW NSFW NSFW NSFW NSFW NSFW NSFW NSFW NSFW NSFW NSFW
THE WEBSITE HAS PORN ON IT!!!
wait.... ohhh... nvm... neat... - Bara, on 10/12/2007, -3/+96That's pretty cool... I have noticed this before but never thought to associate it with a color...
- fulldecent, on 10/12/2007, -0/+47OK, and then open the movie and put it behind the desktop.
- bergur1, on 10/12/2007, -2/+44I had windows media player open and it worked. They have a mod like this for WoW so you can have a video open while playing.
- Caleb83, on 10/12/2007, -5/+46Why is stuff on my computer showing up on the internet?
- BlackSheepx, on 10/12/2007, -2/+39This is what always happened when I tried to take a screenshot of something in winamp or WMP along time ago, I would just get that color wherever I pasted it. Weird it works when published online too..
- knightblade2oo4, on 10/12/2007, -4/+41It's not a bug, it's a feature.
- zelenjava, on 10/12/2007, -3/+36i remember this color from winamp avs desktop visualization function
- amadeusdemarzi, on 10/12/2007, -0/+253 words,
Identity Theft - dire, on 10/12/2007, -1/+26For those who play World of Warcraft, I used to use a mod named WoWVid. What this does is basically show a resizable box of the same color shown in the digg link so you can watch videos while playing WoW!
This can be found here: http://wow.curse-gaming.com/en/files/details/5169/wowvid-for-2-0/
Enjoy! - allisonaxe, on 10/12/2007, -7/+28@bergur1 and others who are talking about the WOW mod that does this:
i find it hillarious that someone would want to watch a video while playing warcraft. what, are people getting bored with the game so that they want to do something else while playing? - stlcadet11, on 10/12/2007, -2/+22There's porn on this site...
- inactive, on 10/12/2007, -2/+19dern' kids breakin' my windows with their baseballs and #10010 colors. GET OFF MA' LAWN!
- TheDreadDiggerD, on 10/12/2007, -5/+21"Any sufficiently advanced technology is indistinguishable from magic.", Arthur C. Clarke So, are we calling Windows Media Player advanced tech?
- vawksel, on 10/12/2007, -0/+15@mutabi
It's simple. The video card is overlaying the video on color #FF00FF (magenta). If you put this color on the screen with a video in the background, the video card doesn't know the difference and it will display the video in its place.
... That's it really. - mrfreeziexp, on 10/12/2007, -4/+18Wow, that is amazing!!
- MasterChi, on 10/12/2007, -0/+12Just download VLC and play your movie and then right click and choose Wallpaper and your video will play as your desktop wallpaper. Really cool feature.
- bootle, on 10/12/2007, -2/+13They lost me at "Open Windows Media Player"
- Lazybones, on 10/12/2007, -0/+10I believe this only works if your video player is in overlay mode.
Basically it is a performance hack that is used so that decoded video is presented directy to the screen so the video card does not need to process it. It is often used when you have separate decoding hardware on a system like the old Mpeg2 cards that would allow a really low end computer to still display full screen DVD movies. - slothlovechunk, on 10/12/2007, -0/+10turn on overlay.
- Icecream, on 10/12/2007, -1/+10If you open up WMP when a video is playing, and take a regular screen shot, when you look at the screen shot the box where the video was playing will be black. And has the same affect as this.
Its pretty cool how this can be done just by selecting a colour. - ckirsch, on 10/12/2007, -23/+32Man, I really wanted to see the bug.
It's a shame my mac doesn't malfunction when it sees the color purple. ;-) - Jaryd2006, on 10/12/2007, -0/+9Something interesting you can do, Is turn your background into a solid color, With the Red color of 16, Blue of 16 and green of 0. Then you can play a video and minimize it. It will play on your desktop but with no media player around it!
- directedition, on 10/12/2007, -10/+18People are just noticing this?
- KidVicious, on 10/12/2007, -0/+7All I see is a big ***** frog...
- TrueJournals, on 10/12/2007, -0/+7List of colors I found:
WMP (inc. Media Player Classic): RGB 16,0,16 (well, I took this from the article)
VLC: RGB 0,0,1
mPlayer: RGB 0,255,0
Real Player: 16,0,16
QuickTime does not use this technique.
If you want me to test other players, post a reply and maybe I will... - jonnyboy88, on 10/12/2007, -0/+7Here's a creative example:
http://ytmndtheatre.ytmnd.com/ - shinynew, on 10/12/2007, -0/+7Doesnt work with VLC or mplayer. WMP did it though. It works for any media player that uses that color, if you want to get the color that any particular media player uses, take a screen shot of it while its playing.
- Philbert, on 10/12/2007, -1/+7Image Shack strikes again!
- JerodSlay, on 10/12/2007, -0/+5It didn't work for me, and I've got WMP 11, and I'll expand on the comment above mine "turn on overlays"
Go into settings for WMP. go to performance, check "use overlay". restart WMP. play video, pull up that color. BAM! - jivemasta, on 10/12/2007, -0/+6quicktime might use a different overlay color...
- inactive, on 10/12/2007, -0/+6I'm running Vista and it doesn't seem to work.
- jaba1337, on 10/12/2007, -0/+5Pretty sure your video has to be outputting in overlay mode. VMR7 and 9 probably won't work with this.
- SnarkFish, on 10/12/2007, -0/+5It's not just that color
http://www.virtualdub.org/blog/pivot/entry.php?id=91
"The reason for the purple blotch where the video should be in a desktop screenshot of a video player is that it's the colorkey for clipping the overlay. With a rare exception here and there, overlays usually can't be directly clipped to anything more complex than a rectangle, or perhaps not at all. This is a problem when windows or title graphics need to overlap the overlay, so most hardware supports a destination colorkey, where the overlay is only shown if a specific color is drawn on the underlying primary surface. Any windows on top don't draw colorkey-colored pixels — hopefully, at least — so the overlay is hidden there and gets covered like the rest of the player window. Ugly and seldom-used colors are chosen for the colorkey to minimize collisions. I hate seeing flashes of nasty magenta or cyan when manipulating a video window, so VirtualDub uses #008000 dark green instead — which occasionally causes some interesting effects when I open Task Manager on top or stop the program at a breakpoint and look at some code comments where the overlay is still active.
Using a colorkey for clipping does have the nice benefit of clipping 100% correctly, whereas blits frequently don't since the complex region gets cut up into subrects and the subrects then have coordinates rounded to integers, leading to seams. Direct3D uses a special blit command for its Present() that preserves enough data to avoid the rounding errors, but for some reason this capability wasn't added to DirectDraw's Blt().
If you know DirectDraw programming and have an unsuspecting buddy, you can do some wicked practical jokes with a full-screen overlay surface that uses a white destination colorkey to show images in the background of random windows. Not that I've ever done that before." - bergur1, on 10/12/2007, -0/+5mine worked
- towca, on 10/12/2007, -2/+7ditto. I got this when I took a screenshot of vlc many years ago... atleast I think they're the same thing. Didn't think it was an actual color. Nice find.
EDIT: ahhhh. Really should refresh before posting comments. - bradleyland, on 10/12/2007, -0/+5You can take screen caps of videos if your turn off hardware acceleration. Dont' expect smooth playback though.
* Start
* Control Panel
* Display
* Settings tab
* Advanced button (at the bottom)
* Troubleshoot tab
* Crank the slider back to none
Be sure to turn it back on! - manthrax, on 10/12/2007, -0/+5(editL there are more thorough explanations further down in the thread.:P)
Its faster for the video card because the card can modify the outging video signal directly, swapping any outgoing pixels of the magic color, with the video signal. In a software only configuration, the video signal has to be decoded, and sent to the framebuffer and then go out on the video frame along with the rest of the display image. Doing video with a chroma key also means that you aren't tied to the refresh rate of whatever software is drawing to the framebuffer, and doing page flipping, since the display part of the process is handled exclusively by the videocard. - maxdamage, on 10/12/2007, -2/+7***** like this reminds my why slashdot is still in my feeds...
- dreamlayers, on 10/12/2007, -1/+6This colour is for Windows Media Player and perhaps all software which uses DirectShow to play video. Other software which uses the overlay can choose a different colour. Try taking a screenshot. If you get a box of one colour where the video was then try using that colour.
- gauthierm, on 10/12/2007, -1/+6zeeky: Xv on linux uses the same video hardware methods so it is not a windows only thing. This is a feature built into video hardware.
- eurleif, on 10/12/2007, -1/+6The basic explanation for this is that video needs to have a very high frame rate, and typical methods of drawing on a computer aren't fast enough. The workaround chosen by some video applications is to designate a special color (#100010 in this case) as the 'video color', fill the video window with that color, and send the video frames directly to the video card, telling it to blit the video over pixels of the special color. The special color is needed so that the video card can detect when other windows are on top of the video window and not paint video over them.
The problem with this method is that it makes screenshots difficult, and doesn't allow anything to be alpha-blended on top of the video. (Also, it causes the weirdness this article is talking about, but that isn't much of a practical problem.) - inactive, on 10/12/2007, -2/+7... and then what? How do I move the player behind the desktop?
- geezas, on 10/12/2007, -1/+5Holly crap it really works!
...It's awesome with MS paint :D - ahawks, on 10/12/2007, -0/+4Cool if you haven't heard about it, but I was arleady aware of it.. it's the Overlay used by DirectX and other things. And yes, it's why when you take a screenshot of a movie or DVD, all you get is that color.
Can also be utilized to make animated wallpapers by setting the desktop color to that. For example, Geiss's Dremples.
http://www.geisswerks.com/drempels/ - TheTrueAPlus, on 10/12/2007, -0/+4Its the video overlay done by the graphics card.
- JerodSlay, on 10/12/2007, -0/+4It didn't work for me, and I'll expand on the comment above mine "turn on overlays"
Go into settings for WMP. go to performance, check "use overlay". restart WMP. play video, pull up that color. BAM! - directedition, on 10/12/2007, -1/+5"how bout you try to explain it then smartass.......yeah thought so"
Umm... my comment was that this particular issue with video has been seen since the late 90s, not a discussion of the why or how it happens. -
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