Why filter graph display the previous frame...........

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Dear All,

I am working on directshow and i constructed the graph in the
graph edit tool using vmr9 filter and it is capturing from webcam and
my graph looks like source(webcam)->avi decompressor->vmr9 when I
press the play button it will start capturing from webcam and display
the video when I hit on the pause button it will display the still
image but when I start playing once again it will first display the
still image that was captured when pause button is pressed and the
capturing the next new frame and display.
Please can any one tell why it is displayiing previous frame and not
to display this previous frame which method should I call.

Thanking you,
mahantesh.

.



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