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72 lines
2.1 KiB
72 lines
2.1 KiB
/* |
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* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder |
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* Copyright (c) 2003-2011 Michael Niedermayer <michaelni@gmx.at> |
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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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/** |
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* @file |
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* H.264 / AVC / MPEG-4 part10 DSP functions. |
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* @author Michael Niedermayer <michaelni@gmx.at> |
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*/ |
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#include "bit_depth_template.c" |
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static void FUNCC(ff_h264_add_pixels4)(uint8_t *_dst, int16_t *_src, int stride) |
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{ |
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int i; |
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pixel *dst = (pixel *) _dst; |
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dctcoef *src = (dctcoef *) _src; |
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stride /= sizeof(pixel); |
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for (i = 0; i < 4; i++) { |
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dst[0] += (unsigned)src[0]; |
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dst[1] += (unsigned)src[1]; |
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dst[2] += (unsigned)src[2]; |
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dst[3] += (unsigned)src[3]; |
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dst += stride; |
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src += 4; |
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} |
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memset(_src, 0, sizeof(dctcoef) * 16); |
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} |
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static void FUNCC(ff_h264_add_pixels8)(uint8_t *_dst, int16_t *_src, int stride) |
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{ |
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int i; |
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pixel *dst = (pixel *) _dst; |
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dctcoef *src = (dctcoef *) _src; |
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stride /= sizeof(pixel); |
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for (i = 0; i < 8; i++) { |
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dst[0] += (unsigned)src[0]; |
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dst[1] += (unsigned)src[1]; |
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dst[2] += (unsigned)src[2]; |
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dst[3] += (unsigned)src[3]; |
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dst[4] += (unsigned)src[4]; |
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dst[5] += (unsigned)src[5]; |
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dst[6] += (unsigned)src[6]; |
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dst[7] += (unsigned)src[7]; |
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dst += stride; |
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src += 8; |
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} |
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memset(_src, 0, sizeof(dctcoef) * 64); |
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}
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