video trimming using directshow (vfw.h)

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C++

I am able to cut video using EditStreamCut, but it's not getting saved when I am giving value of cutting stream as non zero.

When value of cutting stream is 0 to length, then it cut and save successfully.


I have created video trimming function,
some line from the code are

hr= EditStreamCopy(source_editable_stream,&p,&pl,&pAvi_trimed);
 ::AVIStreamInfo(pAvi_trimed,&m_AviInfo,sizeof(AVISTREAMINFO));
hr=AVISave(lpFileName_save, NULL, NULL, 1, pAvi_trimed, NULL);

Now if I set p=0 and play any long value,I get proper trimmed video.

But if I set "p=any other value than 0", I got E_FAIL during AVISave.