FFmpeg
h264addpx_template.c
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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 / MPEG-4 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] += (unsigned)src[0];
39  dst[1] += (unsigned)src[1];
40  dst[2] += (unsigned)src[2];
41  dst[3] += (unsigned)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] += (unsigned)src[0];
59  dst[1] += (unsigned)src[1];
60  dst[2] += (unsigned)src[2];
61  dst[3] += (unsigned)src[3];
62  dst[4] += (unsigned)src[4];
63  dst[5] += (unsigned)src[5];
64  dst[6] += (unsigned)src[6];
65  dst[7] += (unsigned)src[7];
66 
67  dst += stride;
68  src += 8;
69  }
70 
71  memset(_src, 0, sizeof(dctcoef) * 64);
72 }
#define src
Definition: vp8dsp.c:254
uint8_t
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
static void FUNCC() ff_h264_add_pixels4(uint8_t *_dst, int16_t *_src, int stride)
static void FUNCC() ff_h264_add_pixels8(uint8_t *_dst, int16_t *_src, int stride)
#define dctcoef
uint8_t pixel
Definition: tiny_ssim.c:42
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:104
#define stride
#define FUNCC(a)