www.pudn.com > SBDcode.rar > CutDetector.h

#ifndef __CUTDETECTOR__ 
#define __CUTDETECTOR__ 
 
/* 
 *	Copyright (c) 2003, Jim Easterbrook 
 * 
 * 
 *	This file is part of shot-change. 
 * 
 *  shot-change is free software; you can redistribute it and/or modify 
 *  it under the terms of the GNU Lesser General Public License as published by 
 *  the Free Software Foundation; either version 2.1 of the License, or 
 *  (at your option) any later version. 
 * 
 *  shot-change is distributed in the hope that it will be useful, 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 *  GNU Lesser General Public License for more details. 
 * 
 *  You should have received a copy of the GNU Lesser General Public License 
 *  along with shot-change; if not, write to the Free Software 
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */ 
 
#pragma comment(exestr,"$Id: CutDetector.h,v 1.1.1.1 2003/03/20 11:49:01 easter Exp $") 
 
/* 
 * $Log: CutDetector.h,v $ 
 * Revision 1.1.1.1  2003/03/20 11:49:01  easter 
 * Initial import 
 * 
 */ 
 
#include  
 
// {55563BA4-C65A-11D6-9E9C-00B0D018209C} 
DEFINE_GUID(CLSID_CutDetector, 
			0x55563BA4, 0xC65A, 0x11D6, 0x9E, 0x9C, 0x00, 0xB0, 0xD0, 0x18, 0x20, 0x9C); 
 
// {55563BC1-C65A-11D6-9E9C-00B0D018209C} 
DEFINE_GUID(IID_ICDControl, 
            0x55563BC1, 0xC65A, 0x11D6, 0x9E, 0x9C, 0x00, 0xB0, 0xD0, 0x18, 0x20, 0x9C); 
 
typedef int (CallBackFunc) (int FrameNo, int f1,float f2,float f3,float f4,float I1,float  I2,float I3,float I4); 
 
DECLARE_INTERFACE_(ICDControl, IUnknown) 
{ 
	// pCallBack is a function (implemented by the client) that is called whenever a 
	// cut that exceeds the threshold is detected. To clear a previously set 
	// call back, call SetCallBack with a NULL parameter. 
	STDMETHOD(SetCallBack) (THIS_ CallBackFunc *pCallBack) PURE; 
 
	// The threshold sets the "sensitivity" of the cut detector. Use 0.0 if you 
	// want to miss no cuts, but don't mind some false alarms. Use 1.0 if you only 
	// want to have no false alarms, but don't mind missing some cuts. Use an 
	// inbetween value if you want something inbetween. Use a negative value if 
	// you want to see what nearly triggered the cut detector. 
	STDMETHOD(SetThreshold) (THIS_ const float Threshold) PURE; 
}; 
 
#endif // __CUTDETECTOR__