00001 /* 00002 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> 00003 * 00004 * This file is part of FFmpeg. 00005 * 00006 * FFmpeg is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * FFmpeg is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with FFmpeg; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #include "libavcodec/avcodec.h" 00022 #include "libavcodec/dsputil.h" 00023 #include "dsputil_bfin.h" 00024 00025 /* Intra iDCT offset 128 */ 00026 void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block) 00027 { 00028 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 00029 int i,j; 00030 00031 ff_bfin_vp3_idct (block); 00032 00033 for (i=0;i<8;i++) 00034 for (j=0;j<8;j++) 00035 dest[line_size*i+j]=cm[128+block[i*8+j]]; 00036 } 00037 00038 /* Inter iDCT */ 00039 void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block) 00040 { 00041 ff_bfin_vp3_idct (block); 00042 ff_bfin_add_pixels_clamped (block, dest, line_size); 00043 } 00044 00045
1.5.8