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multiple input filter question

multiple input filter question

multiple input filter question

(OP)
I'm building a filter with 3 inputs and 1 output.  The three inputs are cameras from a car (saved avi files) and the output will be overview of the car created from perspective warping on the inputs.  
Right now I just have the filter setup so that the output is the exact same as one of the input avi's (i'm not doing any image processing) for debugging purposes.  The filter is registered and shows up fine in graph edit.  However, when I run it the CPU usage goes to 100% and the output is jerking (although it is the same as the input, which is what it's setup to do).  After 15 seconds or so graphedit crashes.  IT's not a memory leak, i've checked windows task manager and it's not memory related, it's the CPU usage.  does anyone have any ideas?
thanks for your time.

RE: multiple input filter question

only one of the following will automatically drop frames when needed to reduce the cpu load while displaying
&PIN_CATEGORY_CAPTURE
&PIN_CATEGORY_PREVIEW

whichever one u have used swap to the other one to see what happens

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