2 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
4 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavcodec/avcodec.h"
22 #include "libavcodec/dsputil.h"
23 #include "dsputil_bfin.h"
25 void ff_bfin_vp3_idct (DCTELEM *block) attribute_l1_text;
26 void ff_bfin_idct (DCTELEM *block) attribute_l1_text;
27 void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
28 void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
30 /* Intra iDCT offset 128 */
31 void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block)
33 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
36 ff_bfin_vp3_idct (block);
40 dest[line_size*i+j]=cm[128+block[i*8+j]];
44 void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block)
46 ff_bfin_vp3_idct (block);
47 ff_bfin_add_pixels_clamped (block, dest, line_size);