Some clips don't display in produced video in Camtasia 7

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  • Updated 7 years ago
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The video is fine in the preview window, but no matter what format I choose to produce in, there are some parts, a few seconds each where all there is is a black screen. The voice-over continues as normal. I have produced several other videos wihout problem, but this particular project will not work.

Is this a known issue, and how can I correct it?
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WCL Wellington City Libraries

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Posted 7 years ago

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kayakman, Champion

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Please provide a screen shot of the project on timeline.

What type of files are the video track clips?
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WCL Wellington City Libraries

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Here are three screenshots to show the problem:



Project timeline



Project playing fine in preview window



Produced project as mp4 at same point with no picture

The video track clips are mp4 and jpeg, both of which have worked fine on other projects.

ANy ideas?
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kayakman, Champion

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One immediately comes to mind; what are the image dimensions of the clip under the playhead where the black frames show?
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WCL Wellington City Libraries

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Ahhh, good point! All the clips are 1280 x 720. If that is the problem, is there a way to correct it without starting the project again?
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Mike S

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I don't think the size would be an issue. Any chance you could post the published file to Screencast? It might be something to do with your player ...
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kayakman, Champion

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OK, your clips re not too large; I've had instances where very large dimension clips [all, or mixed in with smaller ones] will not get rendered, you'll just get all black across those clips.

But, I regularly work in CS7 with larger dimension clips.

If the black only appears when a certain clip is rendered, perhaps, as a test, try swapping out that clip for another.

As a test, you could, in the project's source files, and with CS closed, just rename the bad image file, then add another in the folder location, using exactly the same name. Always export project as zip first as a safe back up. Reload the project, and do produce selection as across the bad section to see?
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WCL Wellington City Libraries

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Thanks for your help, guys. Really appreciate the quick responses

I'm going to try Kayakman's suggestion, then if it doesn't work, I'll upload the project to Screencast.
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WCL Wellington City Libraries

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I managed to work around this problem by producing the video in sections, with the bad bits by themselves, then importing the sections into a new project and producing that one all together.

The picture quality suffered a little, but was fine for our purposes. A little fiddly, but it worked.

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