strange "active" problem about CActive object and camera callback function

dengjian2 — Fri, 23 Nov 2007 03:29:43 +0100

now,i am developing a 2d barcode reader system. the camera preview the barcode,and the decoder model just recognise the frame continuely ,when decodeing is ok,it will stop view finder and show the result.my english is not very good ,here is my code

void CCameraCaptureEngine::ViewFinderFrameReady(CFbsBitmap& aFrame)
{
aFrame.LockHeap();

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strange "active" problem about CActive object and camera callback function