Transparency programatically in quicktime

Hi,
I have created a quicktime ".mov" movie programatically. I have done this by creating a number of jpeg images (which do not contain transparency obviously), and strung them together processing them into a quicktime movie!
whew, lots of work. Ive been looking for a way to convert the background of the movie into a transparent background, but although I know that there exists a way similar to this
GraphicsMode x = new GraphicsMode (QDConstants.blend,QDColor.black);
GraphicsImporter gi1 = new GraphicsImporter(y);
try{
gi1.setGraphicsMode (x);
}catch(StdQTException sqe){
}I have to admit that I am a beginner when it comes to quicktime videos and converting the movie to a movie with transparency...
Im a bit lost as to what I really need to do in order to get this to convert the black part of the movie into something transparent.
Please let me know if you know anything that might be helpful.
Thanks

In Quicktime version 7.6.6, how many milliseconds are in one video frame?
That depends on the video frame rate. To find out, simply divide 1 second by the frame rate and multiply your answer by 1000.

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Does Keynote 6.0 no longer support Transparent GIF or Quicktime Animations?

So, I have some sample files here:
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http://www.presentermedia.com/blog/wp-content/uploads/2013/10/beehive_bees_400_c lr_12723.mov
Bees and Honey Clear GIF
http://www.presentermedia.com/blog/wp-content/uploads/2013/10/beehive_bees_150_c lr_12723.gif
Bees and Honey Green Background Quicktime
http://www.presentermedia.com/blog/wp-content/uploads/2013/10/beehive_bees_12723 _grn.mov
Bees and Honey Blue Background GIF
http://www.presentermedia.com/blog/wp-content/uploads/2013/10/beehive_bees_12723 _blue.gif
Moving on...
At my company, we create images, animations, video backgrounds and templates for PowerPoint and Keynote etc. Keynote '09 (iwork '09) and PowerPoint 2008 and 2011 on the Mac, all work. Now we're hearing that the transparent backgrounds are no longer being recognized (black background instead of clear). Is anyone able to check this for me and let me know if there is a workaround or something? I can't find any documentation on how Quicktime changed with Maverick or Keynote 6, so need to do real world testing I'm only running '09 on my Mac and won't have Keynote 6 for another 2 weeks or so.
Please let me know, I may be able to throw in a free subscription to our website for someone who can help me with this.

Hello all... I'm maybe a little late to the party here, but I've had the same trouble for a while with both animated Transparent gifs and quicktime movies with an alpha channel matte.
This morning I spent half an hour tinkering with the export options from quicktime player pro on my old laptop (I used QT 7.6.6 on OSX 10.8.5) and managed to make a "transparent" quicktime movie which plays in the new version of Keynote.
If you have access to the old version of quicktime player pro, you can open your transparent, previously playable file (.gif or .movie) and use the ProRes compressor, using the "4444" option in the list of compressors. Make sure the colours are set to "millions+" to retain the matte and you shoud be OK.
It works a charm... you have to re-import it, simply replacing the original file in the finder seemingly doesn't work, but you can use this method to generate a working version and take 30 seconds to re-import it into the keynote.
Yes, the files are much larger than gifs. Yes it's a lot of messing around if you're not familiar with movies. But in principle it worked for me and sorted out a whole heap of my problems.
Just for note, I've not tried exporting it to Powerpoint as I've no need to do so, or way to test it, but I guess that is a different matter.
Hope that makes sense!

No transparency in my Quicktime movies in AE CS3 -- help

I'm rendering a set of animated captions on a transparent background. I need to drop them over existing video, so I need to maintain their transparency. I am, rendering them as QT movies, as animation, RGB+Alpha, millions + colors, straight: Unmultiplied. I can render a png sequence and hold the transparency, but I cannot get a quicktime movie to stay transparent. I get a black background. Can the Avid import the Quick time and key out the black? Am I doing something wrong. Importing the PNG sequence takes forever -- I have to ftp it across town and it toook an hour just to load onto the ftp site! Is rendering out to PNG sequences my only option. Why am I unable to get a transparent qt movie? ARGGGHHH!! I read on here that re-loading Quicktime might help? Has that worked for anyone? Is that the trouble? Anyone? Help?

Well, what's the settings in the Avid? By default it will invert the Alpha, you may need to invert it in the Alpha key's settings by ways of the effect editor. Also make sure to choose the Alpha in the first place. If it's not been selected on import in the options, it will never appear once the system has converted the clip.
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Set Transfer Mode & Transparency in a QuickTime Movie

Greetings All,
Working with QuickTime, I would like to know how to set the transfer mode to blend and the transparency of a text box to 50 using an applescript.
Any ideas?
Message was edited by: johnmiller1950

I figured it out. I added the following lines when building a script
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Transparent background

This may be a simple question (I hope), but how can I make the background in a presentation transparent. I want to convert it to a Quicktime presentation to put on a website, but need the background to be transparent in the Quicktime.
Is there a way to do that?
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Can you cheat?
Export the movie with the transparent background, as you've already done. Then get clever.
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--Dave Althoff, Jr.

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I create a movie in iMovie 08, export to .dv to Quicktime Pro, embed .png logos/watermarks @ desired places within the video and set transparency to either "straight alpha" or "straight alpha blend." Everything looks great when I save the video (the default is .mov).
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I don't have iMovie and it's been along time since using it. You should be able to make a new video track above the video track that you have your video in. Place the .png in the new video track set alpha channel if need be., export. Look in your help file for iMovie or ask in the iMovie forum.
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http://discussions.apple.com/forum.jspa?forumID=1194
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Hi, I would really appreciate any help on this subject as
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Or are you all still frantically Googling in my aid?

QuickTime with Transparent Background

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--B_3234432307_151173
Content-type: text/plain;
charset="ISO-8859-1"
Content-transfer-encoding: 8bit
Hi
I am having problems in publishing a file done in Flash- a
logo spinning,
and I want the background to be transparent. Under Publish
Settings, I have
the following:
ALPHA: Alpha-transparent
Layer: Auto
And checked the Flatten (Make self-contained).
However when I import the file into another application-
Apple�s Motion, I
get a white background- which is what I have originally. Am I
doing
something wrong?
I even check the track in QT Pro and set the Movie Properties
but it is not
becoming transparent. I appreciate any tips on it.
Thank you.
Kelvin
--B_3234432307_151173
Content-type: text/html;
charset="ISO-8859-1"
Content-transfer-encoding: quoted-printable
<HTML>
<HEAD>
<TITLE>QuickTime with Transparent
Background</TITLE>
</HEAD>
<BODY>
Hi 
 
I am having problems in publishing a file done in Flash- a
logo spinning, a=
nd I want the background to be transparent. Under Publish
Settings, I have t=
he following: 
 
ALPHA: Alpha-transparent 
Layer: Auto 
 
And checked the Flatten (Make self-contained). 
 
However when I import the file into another application-
Apple’s Moti=
on, I get a white background- which is what I have
originally. Am I doing so=
mething wrong? 
 
I even check the track in QT Pro and set the Movie Properties
but it is not=
becoming transparent. I appreciate any tips on it.
 
 
Thank you. 
 
Kelvin 
</BODY>
</HTML>
--B_3234432307_151173--

I've never gotten it to work either. I usually set the
background to something not used in the animation, like bright
green, and then composite the video. I've never used Motion, so I
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Hi!
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Hi Experts,
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NOTE: because I don't know in which application my error may be, I am cross-posting this question in the iMovie and Keynote forums.
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Transparency programatically in quicktime

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