2 * Copyright (c) 2000, 2001 Fabrice Bellard
3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of Libav.
7 * Libav 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.
12 * Libav 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.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "bit_depth_template.c"
26 #define H264_CHROMA_MC(OPNAME, OP)\
27 static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
28 pixel *dst = (pixel*)_dst;\
29 pixel *src = (pixel*)_src;\
30 const int A=(8-x)*(8-y);\
31 const int B=( x)*(8-y);\
32 const int C=(8-x)*( y);\
33 const int D=( x)*( y);\
35 stride /= sizeof(pixel);\
37 assert(x<8 && y<8 && x>=0 && y>=0);\
41 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
42 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\
48 const int step= C ? stride : 1;\
50 OP(dst[0], (A*src[0] + E*src[step+0]));\
51 OP(dst[1], (A*src[1] + E*src[step+1]));\
56 for ( i = 0; i < h; i++){\
57 OP(dst[0], A * src[0]);\
58 OP(dst[1], A * src[1]);\
65 static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
66 pixel *dst = (pixel*)_dst;\
67 pixel *src = (pixel*)_src;\
68 const int A=(8-x)*(8-y);\
69 const int B=( x)*(8-y);\
70 const int C=(8-x)*( y);\
71 const int D=( x)*( y);\
73 stride /= sizeof(pixel);\
75 assert(x<8 && y<8 && x>=0 && y>=0);\
79 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
80 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\
81 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\
82 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\
88 const int step= C ? stride : 1;\
90 OP(dst[0], (A*src[0] + E*src[step+0]));\
91 OP(dst[1], (A*src[1] + E*src[step+1]));\
92 OP(dst[2], (A*src[2] + E*src[step+2]));\
93 OP(dst[3], (A*src[3] + E*src[step+3]));\
98 for ( i = 0; i < h; i++){\
99 OP(dst[0], A * src[0]);\
100 OP(dst[1], A * src[1]);\
101 OP(dst[2], A * src[2]);\
102 OP(dst[3], A * src[3]);\
109 static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
110 pixel *dst = (pixel*)_dst;\
111 pixel *src = (pixel*)_src;\
112 const int A=(8-x)*(8-y);\
113 const int B=( x)*(8-y);\
114 const int C=(8-x)*( y);\
115 const int D=( x)*( y);\
117 stride /= sizeof(pixel);\
119 assert(x<8 && y<8 && x>=0 && y>=0);\
123 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
124 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\
125 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\
126 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\
127 OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5]));\
128 OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6]));\
129 OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7]));\
130 OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8]));\
136 const int step= C ? stride : 1;\
138 OP(dst[0], (A*src[0] + E*src[step+0]));\
139 OP(dst[1], (A*src[1] + E*src[step+1]));\
140 OP(dst[2], (A*src[2] + E*src[step+2]));\
141 OP(dst[3], (A*src[3] + E*src[step+3]));\
142 OP(dst[4], (A*src[4] + E*src[step+4]));\
143 OP(dst[5], (A*src[5] + E*src[step+5]));\
144 OP(dst[6], (A*src[6] + E*src[step+6]));\
145 OP(dst[7], (A*src[7] + E*src[step+7]));\
150 for ( i = 0; i < h; i++){\
151 OP(dst[0], A * src[0]);\
152 OP(dst[1], A * src[1]);\
153 OP(dst[2], A * src[2]);\
154 OP(dst[3], A * src[3]);\
155 OP(dst[4], A * src[4]);\
156 OP(dst[5], A * src[5]);\
157 OP(dst[6], A * src[6]);\
158 OP(dst[7], A * src[7]);\
165 #define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1)
166 #define op_put(a, b) a = (((b) + 32)>>6)
168 H264_CHROMA_MC(put_ , op_put)
169 H264_CHROMA_MC(avg_ , op_avg)