JMF and Windows 7

I have a program using JMF which worked fine on XP and Vista but is behaving very oddly on Windows 7.
The program displays two mpg files synchronised with each other and I also control the playback speed. This has worked fine for 18 months.
On Windows 7 I still see two videos but the speed control doesn't work and one or other of the videos (appears random which one) splits vertically in the middle and I see it compressed both above and below the split. Is anyone else having problems with JMF and Windows 7?
jdk 1.6.0_13
jmf 2.1.1e
Heaps of memory - 4Gb
Edited by: Leo--- on Nov 1, 2009 9:32 PM
Edited by: Leo--- on Nov 2, 2009 11:53 AM

The last version of Windows that JMF lists as supported is Windows 2000.
Most of the codec support in the Windows Performance Pack are native codecs, meaning they're precompiled DLL libraries. DLLs from one Windows version often times aren't compatible with any other Windows versions, so it's actually quite amazing JMF worked with XP or Vista, at all.
It sounds like what you're experiencing is simply DLL incompatibility using Windows 5 libaries on a Windows 7 system...

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Install JMF on Windows 7 64bit

Dear all,
After a lot of struggling (and a really mean a lot), I finally got jmf to work on Windows 7 64bit. I figured that I can better not let this information go to waste, so that's why I'm posting it here. I didn't really test the full capabilities of jmf on my platform yet, in fact I only tested those features that I needed for my application. As such I am able to successfully capture and record video clips from my build in webcam of my laptop.
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JMF will never work on a 64bit JRE/JDK, plain and simple because JMF is too old and doesn't support a 64bit JRE/JDK. Thus your first step has to be to install a 32 bit JRE/JDK on your system. (I uninstalled my 64 bit JRE/JDK first, but I don't now whether or not this is necessary)
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The link to the website is currently: [https://cds.sun.com/is-bin/INTERSHOP.enfinity/WFS/CDS-CDS_Developer-Site/en_US/-/USD/ViewProductDetail-Start?ProductRef=7372-jmf-2.1.1e-oth-JPR@CDS-CDS_Developer]
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Install the file you just downloaded in the normal way you would install any other program. But chose as installation path: "C:\JMF2.1.1e"
I think this is necessary because of the strict security policy in Windows 7, if you don't do this, I guess jmf won't be able to store capture device settings to your local hard drive. (But again, I'm not completely sure here, please verify this if possible)
After the installation, you don't have to do anything special to get jmf to work, so you don't manually have to set the JMFDIR, PATH and CLASSPATH (as is explained at the sun website), just skip those steps.
After the installation, reboot your pc.
Remark: I recommend you to install jmf as an administrator (but I don't now whether or not this is necessary). To do this, right click the installation file and select: "run as administrator'.
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First make sure that all your devices are working properly, I recommend you to use a program like Skype or something just to check whether your microphone is working or not.
Secondly, open jmfstudio, select 'file > preferences > capture devices', and press the button 'detect capture devices'. Normally you will have to wait for a couple of minutes now (because the determination of all the available video formats takes quite a while). Afterwards jmf should have found all of your devices, that usually looks something like this:
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In jmfstudio, select 'file > capture' and select the video and audio combo and see if your webcam settings work. You should now be able to view and hear yourself.
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*Remarks:*
My development platform is currently netbeans 6.9.1 and I am able to write code, build it and run it with netbeans. I can also just run normal *.jar files
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If you get a dialog screen when starting your video capture device that looks like this: [http://www.alexandria.nu/ai/machine_vision/dual_cameras/SelectDevice.gif]
(With off course another name for the capture device), then that means that your capturing device is currently occupied by another program and you can't currently use it.
To solve this, make sure that no other application is using the webcam. For me even this was insufficient, but I managed to solve this by installing the latest drivers for my webcam from the manufacturing site of my laptop.
I sincerely hope this tutorial can be of any use for someone, feel free to give me comments/suggestions. And please post here if this works for you or not.
Greetings, Molly

Hi
sure I follow each of your steps, I uninstall all java verisones and installed a new java version 32-bit, I installed JMF in "C: \ JMF2.1.1e".
when all installing finished, works fine JMF only once, I do the tests, recognizes the device; shows the video, but when I close and open again JStudio don't works throws error, and therefore my apliación not working, always returns null the device

Not able to Install JMF on Windows 7 64bit

Dear
I originally resurrected the following long-dead forum post and tried to hijack it away for my own question even though I've been around here long enough top know better:
Install JMF on Windows 7 64bit
However a kind forum moderator branched my inquiry away to let it stand on its own merits (or not).
My question is ...
"I follow your steps and jmf does not work, do you have any other solution?"

Hi
sure I follow each of your steps, I uninstall all java verisones and installed a new java version 32-bit, I installed JMF in "C: \ JMF2.1.1e".
when all installing finished, works fine JMF only once, I do the tests, recognizes the device; shows the video, but when I close and open again JStudio don't works throws error, and therefore my apliación not working, always returns null the device

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