1/* 2 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavcodec/avcodec.h" 22#include "libavcodec/dsputil.h" 23#include "dsputil_bfin.h" 24 25void ff_bfin_vp3_idct (DCTELEM *block) attribute_l1_text; 26void ff_bfin_idct (DCTELEM *block) attribute_l1_text; 27void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text; 28void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text; 29 30/* Intra iDCT offset 128 */ 31void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block) 32{ 33 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 34 int i,j; 35 36 ff_bfin_vp3_idct (block); 37 38 for (i=0;i<8;i++) 39 for (j=0;j<8;j++) 40 dest[line_size*i+j]=cm[128+block[i*8+j]]; 41} 42 43/* Inter iDCT */ 44void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block) 45{ 46 ff_bfin_vp3_idct (block); 47 ff_bfin_add_pixels_clamped (block, dest, line_size); 48} 49 50 51