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-rw-r--r--apps/plugins/mpegplayer/motion_comp_arm.c183
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diff --git a/apps/plugins/mpegplayer/motion_comp_arm.c b/apps/plugins/mpegplayer/motion_comp_arm.c
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1/*
2 * motion_comp_arm.c
3 * Copyright (C) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
4 *
5 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
6 * See http://libmpeg2.sourceforge.net/ for updates.
7 *
8 * mpeg2dec is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * mpeg2dec is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23#include "mpeg2dec_config.h"
24
25#include <inttypes.h>
26
27#include "mpeg2.h"
28#include "attributes.h"
29#include "mpeg2_internal.h"
30
31#define avg2(a,b) ((a+b+1)>>1)
32#define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
33
34#define predict_o(i) (ref[i])
35#define predict_x(i) (avg2 (ref[i], ref[i+1]))
36#define predict_y(i) (avg2 (ref[i], (ref+stride)[i]))
37#define predict_xy(i) (avg4 (ref[i], ref[i+1], \
38 (ref+stride)[i], (ref+stride)[i+1]))
39
40#define put(predictor,i) dest[i] = predictor (i)
41#define avg(predictor,i) dest[i] = avg2 (predictor (i), dest[i])
42
43/* mc function template */
44
45#define MC_FUNC(op,xy) \
46inline static void MC_##op##_##xy##_16_c (uint8_t * dest, const uint8_t * ref, \
47 const int stride, int height) \
48{ \
49 do { \
50 op (predict_##xy, 0); \
51 op (predict_##xy, 1); \
52 op (predict_##xy, 2); \
53 op (predict_##xy, 3); \
54 op (predict_##xy, 4); \
55 op (predict_##xy, 5); \
56 op (predict_##xy, 6); \
57 op (predict_##xy, 7); \
58 op (predict_##xy, 8); \
59 op (predict_##xy, 9); \
60 op (predict_##xy, 10); \
61 op (predict_##xy, 11); \
62 op (predict_##xy, 12); \
63 op (predict_##xy, 13); \
64 op (predict_##xy, 14); \
65 op (predict_##xy, 15); \
66 ref += stride; \
67 dest += stride; \
68 } while (--height); \
69} \
70static void MC_##op##_##xy##_8_c (uint8_t * dest, const uint8_t * ref, \
71 const int stride, int height) \
72{ \
73 do { \
74 op (predict_##xy, 0); \
75 op (predict_##xy, 1); \
76 op (predict_##xy, 2); \
77 op (predict_##xy, 3); \
78 op (predict_##xy, 4); \
79 op (predict_##xy, 5); \
80 op (predict_##xy, 6); \
81 op (predict_##xy, 7); \
82 ref += stride; \
83 dest += stride; \
84 } while (--height); \
85} \
86/* definitions of the actual mc functions */
87
88/* MC_FUNC (put,o) */
89MC_FUNC (avg,o)
90/* MC_FUNC (put,x) */
91MC_FUNC (avg,x)
92MC_FUNC (put,y)
93MC_FUNC (avg,y)
94MC_FUNC (put,xy)
95MC_FUNC (avg,xy)
96
97
98extern void MC_put_o_16_arm (uint8_t * dest, const uint8_t * ref,
99 int stride, int height);
100
101extern void MC_put_x_16_arm (uint8_t * dest, const uint8_t * ref,
102 int stride, int height);
103
104
105static void MC_put_y_16_arm (uint8_t * dest, const uint8_t * ref,
106 int stride, int height)
107{
108 MC_put_y_16_c(dest, ref, stride, height);
109}
110
111static void MC_put_xy_16_arm (uint8_t * dest, const uint8_t * ref,
112 int stride, int height)
113{
114 MC_put_xy_16_c(dest, ref, stride, height);
115}
116
117extern void MC_put_o_8_arm (uint8_t * dest, const uint8_t * ref,
118 int stride, int height);
119
120extern void MC_put_x_8_arm (uint8_t * dest, const uint8_t * ref,
121 int stride, int height);
122
123static void MC_put_y_8_arm (uint8_t * dest, const uint8_t * ref,
124 int stride, int height)
125{
126 MC_put_y_8_c(dest, ref, stride, height);
127}
128
129static void MC_put_xy_8_arm (uint8_t * dest, const uint8_t * ref,
130 int stride, int height)
131{
132 MC_put_xy_8_c(dest, ref, stride, height);
133}
134
135static void MC_avg_o_16_arm (uint8_t * dest, const uint8_t * ref,
136 int stride, int height)
137{
138 MC_avg_o_16_c(dest, ref, stride, height);
139}
140
141static void MC_avg_x_16_arm (uint8_t * dest, const uint8_t * ref,
142 int stride, int height)
143{
144 MC_avg_x_16_c(dest, ref, stride, height);
145}
146
147static void MC_avg_y_16_arm (uint8_t * dest, const uint8_t * ref,
148 int stride, int height)
149{
150 MC_avg_y_16_c(dest, ref, stride, height);
151}
152
153static void MC_avg_xy_16_arm (uint8_t * dest, const uint8_t * ref,
154 int stride, int height)
155{
156 MC_avg_xy_16_c(dest, ref, stride, height);
157}
158
159static void MC_avg_o_8_arm (uint8_t * dest, const uint8_t * ref,
160 int stride, int height)
161{
162 MC_avg_o_8_c(dest, ref, stride, height);
163}
164
165static void MC_avg_x_8_arm (uint8_t * dest, const uint8_t * ref,
166 int stride, int height)
167{
168 MC_avg_x_8_c(dest, ref, stride, height);
169}
170
171static void MC_avg_y_8_arm (uint8_t * dest, const uint8_t * ref,
172 int stride, int height)
173{
174 MC_avg_y_8_c(dest, ref, stride, height);
175}
176
177static void MC_avg_xy_8_arm (uint8_t * dest, const uint8_t * ref,
178 int stride, int height)
179{
180 MC_avg_xy_8_c(dest, ref, stride, height);
181}
182
183MPEG2_MC_EXTERN (arm)
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-25 17:20:25 +0000