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使用ISampleGrabberCB
接口如何將SampleCB
IMediaSample用於位圖?如何將IMediaSample轉換爲位圖
例如:
int ISampleGrabberCB.SampleCB(double SampleTime, IMediaSample pSample)
{
Bitmap frameBitmap = new Bitmap(pSample);
return 0;
}