Article View: cn.bbs.comp.program
Article #587VC ���� 1
From: ����
Date: Tue, 23 Jun 1998 00:00
Date: Tue, 23 Jun 1998 00:00
37 lines
1431 bytes
1431 bytes
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���� VC4.2 ��дһ�γ���Ŀ���ǽ� avi �ļ��е�һ֡���
���Ϊһ�� bmp �ļ���������һ�δ������£�
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//��c:\temp.avi��������Ƶ���浽gapavi[viStream]��
if(!AviOpen("c:\\temp.avi"))
{
ErrMsg("Can't Open Avi File ");
AviClose();
return FALSE;
}
// ����Ƶ���еõ��ؼ�֡λ�ã����� lKeyFrame
LONG lKeyFrame;
LONG lPos;
lKeyFrame = AVIStreamFindSample(gapavi[viStream],
lPos, FIND_PREV | FIND_KEY);
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.
.
���lKeyFrame��Զ����lPos, ����lPos=10, ��lKeyFrameҲ����10��
lPos=7,��lKeyFrameҲ����7... �� c:\temp.avi ��15֡����һ��
�ؼ�֡��λ�÷ֱ�Ϊ0, 15, 30, 45(ר����premiere������)������
��λ����������ôһ���£�Ӧ��ν����
--
�� ��Դ: �й�ƴ�BBSվ [bbs.ustc.edu.cn]
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X-Google-Language: Chinese,GB X-Google-Thread: fc86e,9a1db584e763bb02,start X-Google-Attributes: gidfc86e,public From: Jj_Luo@bbs.ustc.edu.cn (����) Subject: VC ���� 1 Date: 1998/06/23 Message-ID: <980623.yoSVW$PBBS@bbs.ustc.edu.cn> X-Deja-AN: 365397918 Organization: �й�ƴ�BBSվ Newsgroups: cn.bbs.comp.program