50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
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/*
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* This file is part of FFmpeg.
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* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avcodec.h"
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#include "dsputil.h"
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#include "dsputil_bfin.h"
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extern void ff_bfin_vp3_idct (DCTELEM *block) attribute_l1_text;
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extern void ff_bfin_idct (DCTELEM *block) attribute_l1_text;
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extern void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
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extern void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
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/* Intra iDCT offset 128 */
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void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block)
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{
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
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int i,j;
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ff_bfin_vp3_idct (block);
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for (i=0;i<8;i++)
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for (j=0;j<8;j++)
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dest[line_size*i+j]=cm[128+block[i*8+j]];
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}
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/* Inter iDCT */
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void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block)
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{
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ff_bfin_vp3_idct (block);
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ff_bfin_add_pixels_clamped (block, dest, line_size);
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}
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