1/* 2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder 3 * Copyright (c) 2003-2011 Michael Niedermayer <michaelni@gmx.at> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22/** 23 * @file 24 * H.264 / AVC / MPEG4 part10 DSP functions. 25 * @author Michael Niedermayer <michaelni@gmx.at> 26 */ 27 28#include "bit_depth_template.c" 29 30static void FUNCC(ff_h264_add_pixels4)(uint8_t *_dst, int16_t *_src, int stride) 31{ 32 int i; 33 pixel *dst = (pixel *) _dst; 34 dctcoef *src = (dctcoef *) _src; 35 stride /= sizeof(pixel); 36 37 for (i = 0; i < 4; i++) { 38 dst[0] += src[0]; 39 dst[1] += src[1]; 40 dst[2] += src[2]; 41 dst[3] += src[3]; 42 43 dst += stride; 44 src += 4; 45 } 46 47 memset(_src, 0, sizeof(dctcoef) * 16); 48} 49 50static void FUNCC(ff_h264_add_pixels8)(uint8_t *_dst, int16_t *_src, int stride) 51{ 52 int i; 53 pixel *dst = (pixel *) _dst; 54 dctcoef *src = (dctcoef *) _src; 55 stride /= sizeof(pixel); 56 57 for (i = 0; i < 8; i++) { 58 dst[0] += src[0]; 59 dst[1] += src[1]; 60 dst[2] += src[2]; 61 dst[3] += src[3]; 62 dst[4] += src[4]; 63 dst[5] += src[5]; 64 dst[6] += src[6]; 65 dst[7] += src[7]; 66 67 dst += stride; 68 src += 8; 69 } 70 71 memset(_src, 0, sizeof(dctcoef) * 64); 72} 73