Playing .m4v files with 4.0.5

I was trying to share a video that I purchased off of iTunes via iChat Theater, but all that appears is a gray screen. The file is an MPEG-layer 4 video file labeled .m4v. I checked to make sure that it was compatible with QuickTime (as that is the only outline set forth for video files in iChat help). Does any one have ANY advice on this issue?! It is frustrating, because the reason I bought the video on iTunes was to share it, and now it doesn't work! I tried converting the file using iSquint (a third party program) to no avail! It confuses me because the 'logo' of the file, unlike other mp4s, looks like an audio file (uses the itunes logo), instead of a video, but as I said it plays fine on iTunes, QuickTime, and my ipod. What is going on here?
Thanks!

I'm not sure but it might be due to DRM.

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JohnSkliros,
>I have just downloaded and installed version 9.0.115.0
and
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import javax.media.*;
import java.io.File;
import java.net.URL;
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Unable to handle format: ima4/ms, 8000.0 Hz, 4-bit, Mono, Unsigned, 4027.0 frame rate, FrameSize=4096 bits
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thanks for your reply.
I tried to replace the wav file "1.wav" with the linear encoded WAV download from pscode.org,and run the code again,but
BasicTrackControl:prefetchTrack():96 1 bm = com.sun.media.BasicRendererModule@1186fab
BasicRendererModule.doPrefetch:155 Render : true
Render buffer size: 32768
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javax.media.ResourceUnavailableException: Cannot intialize audio device for playback
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at com.sun.media.BasicTrackControl.prefetchTrack(BasicTrackControl.java:99)
at com.sun.media.PlaybackEngine.doPrefetch1(PlaybackEngine.java:682)
at com.sun.media.PlaybackEngine.doPrefetch(PlaybackEngine.java:658)
at com.sun.media.PrefetchWorkThread.process(BasicController.java:1430)
!!!!!!!§§§§§§§§§§§ BasicTrackControl:prefetchTrack():96
at com.sun.media.StateTransitionWorkThread.run(BasicController.java:1339)
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Anyway, this is from the "for whatever it is worth" department and you can invest $35 in the application or try to find another application capable of doing the same thing. MPEG Streamclip, for instance, will not work here but I have not actually looked around for anything else.
2) if I use the final .MOV that you get at the end of your tutorial, will exporting as "apple tv" or mpeg 4 etc. compress it again?
Yes, it will. In addition, depending on the application used to perform the export, you may lose the chapter track also.

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