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hpeldsp.c
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1 /*
2  * Half-pel DSP functions.
3  * Copyright (c) 2000, 2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
7  *
8  * This file is part of FFmpeg.
9  *
10  * FFmpeg is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) any later version.
14  *
15  * FFmpeg is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  * Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with FFmpeg; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
25 /**
26  * @file
27  * Half-pel DSP functions.
28  */
29 
30 #include "libavutil/attributes.h"
31 #include "libavutil/intreadwrite.h"
32 #include "hpeldsp.h"
33 
34 #define BIT_DEPTH 8
35 #include "hpeldsp_template.c"
36 
38 {
39 #define hpel_funcs(prefix, idx, num) \
40  c->prefix ## _pixels_tab idx [0] = prefix ## _pixels ## num ## _8_c; \
41  c->prefix ## _pixels_tab idx [1] = prefix ## _pixels ## num ## _x2_8_c; \
42  c->prefix ## _pixels_tab idx [2] = prefix ## _pixels ## num ## _y2_8_c; \
43  c->prefix ## _pixels_tab idx [3] = prefix ## _pixels ## num ## _xy2_8_c
44 
45  hpel_funcs(put, [0], 16);
46  hpel_funcs(put, [1], 8);
47  hpel_funcs(put, [2], 4);
48  hpel_funcs(put, [3], 2);
49  hpel_funcs(put_no_rnd, [0], 16);
50  hpel_funcs(put_no_rnd, [1], 8);
51  hpel_funcs(avg, [0], 16);
52  hpel_funcs(avg, [1], 8);
53  hpel_funcs(avg, [2], 4);
54  hpel_funcs(avg, [3], 2);
55  hpel_funcs(avg_no_rnd,, 16);
56 
57  if (ARCH_ALPHA)
58  ff_hpeldsp_init_alpha(c, flags);
59  if (ARCH_ARM)
60  ff_hpeldsp_init_arm(c, flags);
61  if (ARCH_BFIN)
62  ff_hpeldsp_init_bfin(c, flags);
63  if (ARCH_PPC)
64  ff_hpeldsp_init_ppc(c, flags);
65  if (HAVE_VIS)
66  ff_hpeldsp_init_vis(c, flags);
67  if (ARCH_X86)
68  ff_hpeldsp_init_x86(c, flags);
69 }