rv40: move loop filter to rv34dsp context
[libav.git] / libavcodec / rv40data.h
1 /*
2 * RealVideo 4 decoder
3 * copyright (c) 2007 Konstantin Shishkov
4 *
5 * This file is part of Libav.
6 *
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.
11 *
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.
16 *
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
20 */
21
22 /**
23 * @file
24 * miscellaneous RV40 tables
25 */
26
27 #ifndef AVCODEC_RV40DATA_H
28 #define AVCODEC_RV40DATA_H
29
30 #include <stdint.h>
31
32 /**
33 * standard widths and heights coded in RV40
34 */
35 //@{
36 static const int rv40_standard_widths[] = { 160, 172, 240, 320, 352, 640, 704, 0};
37 static const int rv40_standard_heights[] = { 120, 132, 144, 240, 288, 480, -8, -10, 180, 360, 576, 0};
38 //@}
39
40 #define MODE2_PATTERNS_NUM 20
41 /**
42 * intra types table
43 *
44 * These values are actually coded 3-tuples
45 * used for detecting standard block configurations.
46 */
47 static const uint16_t rv40_aic_table_index[MODE2_PATTERNS_NUM] = {
48 0x000, 0x100, 0x200,
49 0x011, 0x111, 0x211, 0x511, 0x611,
50 0x022, 0x122, 0x222, 0x722,
51 0x272, 0x227,
52 0x822, 0x282, 0x228,
53 0x112, 0x116, 0x221
54 };
55
56 /**
57 * luma quantizer values
58 * The second table is used for inter blocks.
59 */
60 static const uint8_t rv40_luma_dc_quant[2][32] = {
61 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
62 16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 22, 22, 22, 22 },
63 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
64 16, 17, 18, 19, 20, 20, 21, 21, 22, 23, 23, 23, 24, 24, 24, 24 }
65 };
66
67 /**
68 * @name Coefficients used by the RV40 loop filter
69 * @{
70 */
71
72 /** alpha parameter for RV40 loop filter - almost the same as in JVT-A003r1 */
73 static const uint8_t rv40_alpha_tab[32] = {
74 128, 128, 128, 128, 128, 128, 128, 128,
75 128, 128, 122, 96, 75, 59, 47, 37,
76 29, 23, 18, 15, 13, 11, 10, 9,
77 8, 7, 6, 5, 4, 3, 2, 1
78 };
79 /** beta parameter for RV40 loop filter - almost the same as in JVT-A003r1 */
80 static const uint8_t rv40_beta_tab[32] = {
81 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 4, 4, 4, 6, 6,
82 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17
83 };
84 /** clip table for RV40 loop filter - the same as in JVT-A003r1 */
85 static const uint8_t rv40_filter_clip_tbl[3][32] = {
86 {
87 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
88 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
89 },
90 {
91 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
92 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5
93 },
94 {
95 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
96 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9
97 }
98 };
99 /** @} */ // end loopfilter group
100
101 #endif /* AVCODEC_RV40DATA_H */