YV12转Iplimage

void HC_Out(char *pBuf, DWORD dwWidth, DWORD dwHeight){if(!pBuf){return;}IplImage* pImage_YV12 = cvCreateImageHeader(cvSize(dwWidth, dwHeight / 2 * 3), IPL_DEPTH_8U, 1);if (!pImage_YV12){return ;}pImage_YV12->imageData = pBuf;if(!callback_pic.bFlag){callback_pic.pImage = cvCreateImage(cvSize(pImage_YV12->width, pImage_YV12->height / 3 * 2), 8, 3);cvCvtColor(pImage_YV12, callback_pic.pImage, CV_YUV2BGR_YV12);callback_pic.bFlag = true;}cvReleaseImageHeader(&pImage_YV12);}