/* * DSP utils * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. * Copyright (c) 2002-2004 Michael Niedermayer * * This library 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 of the License, or (at your option) any later version. * * This library 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 this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /** * @file dsputil.h * DSP utils. * note, many functions in here may use MMX which trashes the FPU state, it is * absolutely necessary to call emms_c() between dsp & float/double code */ #ifndef DSPUTIL_H #define DSPUTIL_H /* pixel operations */ #define MAX_NEG_CROP 1024 /* temporary */ extern uint8_t cropTbl[256 + 2 * MAX_NEG_CROP]; void dsputil_static_init(void); #endif