Re: StartCapture while using DirectShow Video processors

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Thursday, February 22, 2007 2:51:57 AM(UTC)

Chris T

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Posts: 15

When trying to capture frames while using a DirectShow filter, my app goes in error (... has encountered a problem and needs to close. We are sorry for the inconvenience... you saw the error screen before, i guess)

I use framework 2.0, VS2005 with vb.net and the Leadtools Multimedia 15 with the capture control.


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#2 Posted : Sunday, February 25, 2007 8:05:06 PM(UTC)

Adnan Ismail

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I have tried this using our .NET VB capture demo as follows and it worked fine:
1. From the Option menu, select Video Processor.
2. Click on "Insert Before" and add the LEADTOOLS Mosaic filter
3. Go to the Capture menu, and select "Automatic Frame Sequence"
4. In the dialog "Auto Frame and Audio", set the Frame Delay to "1" and the Time Limit to 4.
5. Start the capturing process.

This will create a 4-frames AVI video and will not generate the error.

Can you try to generate the error using the same demo?
If it could not be generated on the demo, please send me more details on how to generate this error?

#3 Posted : Sunday, February 25, 2007 9:05:40 PM(UTC)

Chris T

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Posts: 15

the vb.net sample works fine when running in framework 1.1. However, when migrating the sample to 2.0 and recompiling, then afterwards the sample won't even start up....

can you try the same?

#4 Posted : Sunday, February 25, 2007 10:30:44 PM(UTC)

Chris T

Groups: Registered
Posts: 15

I find out that the problem with the capturing while using a directshow filter, has to do with the video codec i'm using: when using the 3ivx compressor the program abends, when using no compressor or the Lead H264 codec, it works fine...

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