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/* |
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* This file is part of FFmpeg. |
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* |
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* Copyright (c) 2006 Industrial Light & Magic, a division of Lucas Digital Ltd. LLC |
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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 <stdint.h> |
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#include "libavutil/attributes.h" |
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#include "exrdsp.h" |
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#include "config.h" |
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static void reorder_pixels_scalar(uint8_t *dst, const uint8_t *src, ptrdiff_t size) |
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{ |
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const uint8_t *t1 = src; |
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int half_size = size / 2; |
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const uint8_t *t2 = src + half_size; |
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uint8_t *s = dst; |
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int i; |
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✓✓ |
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for (i = 0; i < half_size; i++) { |
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*(s++) = *(t1++); |
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*(s++) = *(t2++); |
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} |
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} |
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static void predictor_scalar(uint8_t *src, ptrdiff_t size) |
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{ |
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ptrdiff_t i; |
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✓✓ |
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for (i = 1; i < size; i++) |
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src[i] += src[i-1] - 128; |
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} |
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av_cold void ff_exrdsp_init(ExrDSPContext *c) |
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{ |
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c->reorder_pixels = reorder_pixels_scalar; |
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c->predictor = predictor_scalar; |
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if (ARCH_X86) |
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ff_exrdsp_init_x86(c); |
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} |