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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 | ||
30 | static 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 | ||
50 | static 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 | } |