/* * DSP utils * Copyright (c) 2000, 2001 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 * * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer */ /** * @file dsputil.c * DSP utils */ #include "avcodec.h" #include "dsputil.h" uint8_t cropTbl[256 + 2 * MAX_NEG_CROP] = { 0, }; /* init static data */ void dsputil_static_init (void) { int i; for (i = 0; i < 256; i++) cropTbl[i + MAX_NEG_CROP] = i; for (i = 0; i < MAX_NEG_CROP; i++) { cropTbl[i] = 0; cropTbl[i + MAX_NEG_CROP + 256] = 255; } }