d85c9b036e
This way, the special IDCT permutations are no longer needed. Bfin code is disabled until someone updates it. This is similar to how H264 does it, and removes the dsputil dependency imposed by the scantable code. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
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*
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* This file is part of FFmpeg.
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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 <string.h>
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#include "libavutil/attributes.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/vp3dsp.h"
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#include "libavcodec/dsputil.h"
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#include "dsputil_bfin.h"
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#include "vp3_bfin.h"
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/* Intra iDCT offset 128 */
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static void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, int16_t *block)
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{
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + 128;
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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[block[i*8+j]];
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memset(block, 0, 128);
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}
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/* Inter iDCT */
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static void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, int16_t *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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memset(block, 0, 128);
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}
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av_cold void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags)
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{
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// FIXME: these functions are disabled because they expect unpermutated
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// IDCT coefficients as input, but the coefficients are transposed
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//c->idct_add = ff_bfin_vp3_idct_add;
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//c->idct_put = ff_bfin_vp3_idct_put;
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}
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