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Directshow IVideoFrameStep missing EC_STEP_COMPLETE RRS feed

  • Question

  • When i use IVideoFrameStep.step from a slow user interface interface (like clik on a button) my GetEvent loop receive the EC_PAUSED and then EC_STEP_COMPLETE as explain in the documentation. BUT, when i use a more rapid user interface (like draging a cursor with the mouse) then i still receive EC_PAUSED for each step but sometime EC_STEP_COMPLETE is missing.
    Could somebody explain me the reason.
    Thank in advance.
    mardi 25 août 2009 17:58