嘿,我想当前帧以前,(附代码)的代码之间做减法运行,但我得到没有结果,我在命令提示符下得到了错误的错误和灰色窗口:减法帧OpenCV的
编译器没有调整堆栈变量。 Libavcodec已被编译错误,可能非常缓慢或崩溃。这不是libavcodec中的错误,而是编译器中的错误。您可以尝试使用gcc> = 4.2进行重新编译。不要向FFmpeg开发人员报告崩溃。 OpenCV错误:断言失败(src1.size()== dst.size()& & src1.type()== dst。type())in unknown function,file ........ \ ocv \ opencv \ src \ cxcore \ cxarithm.cpp,行1563.
有人有想法吗?请你的帮助!谢谢
int main()
{
int key = 0;
CvCapture* capture = cvCaptureFromAVI("macroblock.mpg");
IplImage* frame = cvQueryFrame(capture);
IplImage* currframe = cvCreateImage(cvGetSize(frame),IPL_DEPTH_8U,1);
IplImage* destframe = cvCreateImage(cvGetSize(frame),IPL_DEPTH_8U,1);
if (!capture)
{
fprintf(stderr, "Cannot open AVI!\n");
return 1;
}
int fps = (int)cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);
cvNamedWindow("dest", CV_WINDOW_AUTOSIZE);
while(key != 'x')
{
frame = cvQueryFrame(capture);
currframe = cvCloneImage(frame);// copy frame to current
frame = cvQueryFrame(capture);// grab frame
cvSub(frame,currframe,destframe);// subtraction between the last frame to cur
if(key==27)break;
cvShowImage("dest",destframe);
key = cvWaitKey(1000/fps);
}
cvDestroyWindow("dest");
cvReleaseCapture(&capture);
return 0;
}
非常感谢你! – 2012-04-05 11:57:35