FFmpeg
msmpeg4_vc1_data.c
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1 /*
2  * Common MSMPEG-4 and VC-1 tables and VLC init code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * msmpeg4v1 & v2 stuff 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  * Common MSMPEG-4 and VC-1 tables and VLC init code
28  */
29 
30 #include "msmpeg4_vc1_data.h"
31 #include "vlc.h"
32 #include "libavutil/attributes.h"
33 #include "libavutil/thread.h"
34 
35 VLCElem ff_msmp4_mb_i_vlc[536];
36 const VLCElem *ff_msmp4_dc_vlc[2][2];
37 
38 static av_cold void msmp4_vc1_vlcs_init(void)
39 {
40  static VLCElem vlc_buf[1158 + 1118 + 1476 + 1216];
41  VLCInitState state = VLC_INIT_STATE(vlc_buf);
42 
43  for (int i = 0; i < 2; i++) {
44  for (int j = 0; j < 2; j++) {
45  ff_msmp4_dc_vlc[i][j] =
46  ff_vlc_init_tables(&state, MSMP4_DC_VLC_BITS, 120,
47  &ff_msmp4_dc_tables[i][j][0][1], 8, 4,
48  &ff_msmp4_dc_tables[i][j][0][0], 8, 4, 0);
49  }
50  }
51  VLC_INIT_STATIC_TABLE(ff_msmp4_mb_i_vlc, MSMP4_MB_INTRA_VLC_BITS, 64,
52  &ff_msmp4_mb_i_table[0][1], 4, 2,
53  &ff_msmp4_mb_i_table[0][0], 4, 2, 0);
54 }
55 
56 av_cold void ff_msmp4_vc1_vlcs_init_once(void)
57 {
58  static AVOnce init_static_once = AV_ONCE_INIT;
59  ff_thread_once(&init_static_once, msmp4_vc1_vlcs_init);
60 }
61 
62 /* intra picture macroblock coded block pattern */
63 const uint16_t ff_msmp4_mb_i_table[64][2] = {
64  { 0x1, 1 }, { 0x17, 6 }, { 0x9, 5 }, { 0x5, 5 },
65  { 0x6, 5 }, { 0x47, 9 }, { 0x20, 7 }, { 0x10, 7 },
66  { 0x2, 5 }, { 0x7c, 9 }, { 0x3a, 7 }, { 0x1d, 7 },
67  { 0x2, 6 }, { 0xec, 9 }, { 0x77, 8 }, { 0x0, 8 },
68  { 0x3, 5 }, { 0xb7, 9 }, { 0x2c, 7 }, { 0x13, 7 },
69  { 0x1, 6 }, { 0x168, 10 }, { 0x46, 8 }, { 0x3f, 8 },
70  { 0x1e, 6 }, { 0x712, 13 }, { 0xb5, 9 }, { 0x42, 8 },
71  { 0x22, 7 }, { 0x1c5, 11 }, { 0x11e, 10 }, { 0x87, 9 },
72  { 0x6, 4 }, { 0x3, 9 }, { 0x1e, 7 }, { 0x1c, 6 },
73  { 0x12, 7 }, { 0x388, 12 }, { 0x44, 9 }, { 0x70, 9 },
74  { 0x1f, 6 }, { 0x23e, 11 }, { 0x39, 8 }, { 0x8e, 9 },
75  { 0x1, 7 }, { 0x1c6, 11 }, { 0xb6, 9 }, { 0x45, 9 },
76  { 0x14, 6 }, { 0x23f, 11 }, { 0x7d, 9 }, { 0x18, 9 },
77  { 0x7, 7 }, { 0x1c7, 11 }, { 0x86, 9 }, { 0x19, 9 },
78  { 0x15, 6 }, { 0x1db, 10 }, { 0x2, 9 }, { 0x46, 9 },
79  { 0xd, 8 }, { 0x713, 13 }, { 0x1da, 10 }, { 0x169, 10 },
80 };
81 
82 
83 const uint32_t ff_msmp4_dc_tables[2][2][120][2] = {
84 {
85  /* dc table 0 */
86  {
87  { 0x1, 1 }, { 0x1, 2 }, { 0x1, 4 }, { 0x1, 5 },
88  { 0x5, 5 }, { 0x7, 5 }, { 0x8, 6 }, { 0xc, 6 },
89  { 0x0, 7 }, { 0x2, 7 }, { 0x12, 7 }, { 0x1a, 7 },
90  { 0x3, 8 }, { 0x7, 8 }, { 0x27, 8 }, { 0x37, 8 },
91  { 0x5, 9 }, { 0x4c, 9 }, { 0x6c, 9 }, { 0x6d, 9 },
92  { 0x8, 10 }, { 0x19, 10 }, { 0x9b, 10 }, { 0x1b, 10 },
93  { 0x9a, 10 }, { 0x13, 11 }, { 0x34, 11 }, { 0x35, 11 },
94  { 0x61, 12 }, { 0x48, 13 }, { 0xc4, 13 }, { 0x4a, 13 },
95  { 0xc6, 13 }, { 0xc7, 13 }, { 0x92, 14 }, { 0x18b, 14 },
96  { 0x93, 14 }, { 0x183, 14 }, { 0x182, 14 }, { 0x96, 14 },
97  { 0x97, 14 }, { 0x180, 14 }, { 0x314, 15 }, { 0x315, 15 },
98  { 0x605, 16 }, { 0x604, 16 }, { 0x606, 16 }, { 0xc0e, 17 },
99  { 0x303cd, 23 }, { 0x303c9, 23 }, { 0x303c8, 23 }, { 0x303ca, 23 },
100  { 0x303cb, 23 }, { 0x303cc, 23 }, { 0x303ce, 23 }, { 0x303cf, 23 },
101  { 0x303d0, 23 }, { 0x303d1, 23 }, { 0x303d2, 23 }, { 0x303d3, 23 },
102  { 0x303d4, 23 }, { 0x303d5, 23 }, { 0x303d6, 23 }, { 0x303d7, 23 },
103  { 0x303d8, 23 }, { 0x303d9, 23 }, { 0x303da, 23 }, { 0x303db, 23 },
104  { 0x303dc, 23 }, { 0x303dd, 23 }, { 0x303de, 23 }, { 0x303df, 23 },
105  { 0x303e0, 23 }, { 0x303e1, 23 }, { 0x303e2, 23 }, { 0x303e3, 23 },
106  { 0x303e4, 23 }, { 0x303e5, 23 }, { 0x303e6, 23 }, { 0x303e7, 23 },
107  { 0x303e8, 23 }, { 0x303e9, 23 }, { 0x303ea, 23 }, { 0x303eb, 23 },
108  { 0x303ec, 23 }, { 0x303ed, 23 }, { 0x303ee, 23 }, { 0x303ef, 23 },
109  { 0x303f0, 23 }, { 0x303f1, 23 }, { 0x303f2, 23 }, { 0x303f3, 23 },
110  { 0x303f4, 23 }, { 0x303f5, 23 }, { 0x303f6, 23 }, { 0x303f7, 23 },
111  { 0x303f8, 23 }, { 0x303f9, 23 }, { 0x303fa, 23 }, { 0x303fb, 23 },
112  { 0x303fc, 23 }, { 0x303fd, 23 }, { 0x303fe, 23 }, { 0x303ff, 23 },
113  { 0x60780, 24 }, { 0x60781, 24 }, { 0x60782, 24 }, { 0x60783, 24 },
114  { 0x60784, 24 }, { 0x60785, 24 }, { 0x60786, 24 }, { 0x60787, 24 },
115  { 0x60788, 24 }, { 0x60789, 24 }, { 0x6078a, 24 }, { 0x6078b, 24 },
116  { 0x6078c, 24 }, { 0x6078d, 24 }, { 0x6078e, 24 }, { 0x6078f, 24 },
117  },
118  {
119  { 0x0, 2 }, { 0x1, 2 }, { 0x5, 3 }, { 0x9, 4 },
120  { 0xd, 4 }, { 0x11, 5 }, { 0x1d, 5 }, { 0x1f, 5 },
121  { 0x21, 6 }, { 0x31, 6 }, { 0x38, 6 }, { 0x33, 6 },
122  { 0x39, 6 }, { 0x3d, 6 }, { 0x61, 7 }, { 0x79, 7 },
123  { 0x80, 8 }, { 0xc8, 8 }, { 0xca, 8 }, { 0xf0, 8 },
124  { 0x81, 8 }, { 0xc0, 8 }, { 0xc9, 8 }, { 0x107, 9 },
125  { 0x106, 9 }, { 0x196, 9 }, { 0x183, 9 }, { 0x1e3, 9 },
126  { 0x1e2, 9 }, { 0x20a, 10 }, { 0x20b, 10 }, { 0x609, 11 },
127  { 0x412, 11 }, { 0x413, 11 }, { 0x60b, 11 }, { 0x411, 11 },
128  { 0x60a, 11 }, { 0x65f, 11 }, { 0x410, 11 }, { 0x65d, 11 },
129  { 0x65e, 11 }, { 0xcb8, 12 }, { 0xc10, 12 }, { 0xcb9, 12 },
130  { 0x1823, 13 }, { 0x3045, 14 }, { 0x6089, 15 }, { 0xc110, 16 },
131  { 0x304448, 22 }, { 0x304449, 22 }, { 0x30444a, 22 }, { 0x30444b, 22 },
132  { 0x30444c, 22 }, { 0x30444d, 22 }, { 0x30444e, 22 }, { 0x30444f, 22 },
133  { 0x304450, 22 }, { 0x304451, 22 }, { 0x304452, 22 }, { 0x304453, 22 },
134  { 0x304454, 22 }, { 0x304455, 22 }, { 0x304456, 22 }, { 0x304457, 22 },
135  { 0x304458, 22 }, { 0x304459, 22 }, { 0x30445a, 22 }, { 0x30445b, 22 },
136  { 0x30445c, 22 }, { 0x30445d, 22 }, { 0x30445e, 22 }, { 0x30445f, 22 },
137  { 0x304460, 22 }, { 0x304461, 22 }, { 0x304462, 22 }, { 0x304463, 22 },
138  { 0x304464, 22 }, { 0x304465, 22 }, { 0x304466, 22 }, { 0x304467, 22 },
139  { 0x304468, 22 }, { 0x304469, 22 }, { 0x30446a, 22 }, { 0x30446b, 22 },
140  { 0x30446c, 22 }, { 0x30446d, 22 }, { 0x30446e, 22 }, { 0x30446f, 22 },
141  { 0x304470, 22 }, { 0x304471, 22 }, { 0x304472, 22 }, { 0x304473, 22 },
142  { 0x304474, 22 }, { 0x304475, 22 }, { 0x304476, 22 }, { 0x304477, 22 },
143  { 0x304478, 22 }, { 0x304479, 22 }, { 0x30447a, 22 }, { 0x30447b, 22 },
144  { 0x30447c, 22 }, { 0x30447d, 22 }, { 0x30447e, 22 }, { 0x30447f, 22 },
145  { 0x608880, 23 }, { 0x608881, 23 }, { 0x608882, 23 }, { 0x608883, 23 },
146  { 0x608884, 23 }, { 0x608885, 23 }, { 0x608886, 23 }, { 0x608887, 23 },
147  { 0x608888, 23 }, { 0x608889, 23 }, { 0x60888a, 23 }, { 0x60888b, 23 },
148  { 0x60888c, 23 }, { 0x60888d, 23 }, { 0x60888e, 23 }, { 0x60888f, 23 },
149  }
150 },
151 {
152  /* dc table 1 */
153  {
154  { 0x2, 2 }, { 0x3, 2 }, { 0x3, 3 }, { 0x2, 4 },
155  { 0x5, 4 }, { 0x1, 5 }, { 0x3, 5 }, { 0x8, 5 },
156  { 0x0, 6 }, { 0x5, 6 }, { 0xd, 6 }, { 0xf, 6 },
157  { 0x13, 6 }, { 0x8, 7 }, { 0x18, 7 }, { 0x1c, 7 },
158  { 0x24, 7 }, { 0x4, 8 }, { 0x6, 8 }, { 0x12, 8 },
159  { 0x32, 8 }, { 0x3b, 8 }, { 0x4a, 8 }, { 0x4b, 8 },
160  { 0xb, 9 }, { 0x26, 9 }, { 0x27, 9 }, { 0x66, 9 },
161  { 0x74, 9 }, { 0x75, 9 }, { 0x14, 10 }, { 0x1c, 10 },
162  { 0x1f, 10 }, { 0x1d, 10 }, { 0x2b, 11 }, { 0x3d, 11 },
163  { 0x19d, 11 }, { 0x19f, 11 }, { 0x54, 12 }, { 0x339, 12 },
164  { 0x338, 12 }, { 0x33d, 12 }, { 0xab, 13 }, { 0xf1, 13 },
165  { 0x678, 13 }, { 0xf2, 13 }, { 0x1e0, 14 }, { 0x1e1, 14 },
166  { 0x154, 14 }, { 0xcf2, 14 }, { 0x3cc, 15 }, { 0x2ab, 15 },
167  { 0x19e7, 15 }, { 0x3ce, 15 }, { 0x19e6, 15 }, { 0x554, 16 },
168  { 0x79f, 16 }, { 0x555, 16 }, { 0xf3d, 17 }, { 0xf37, 17 },
169  { 0xf3c, 17 }, { 0xf35, 17 }, { 0x1e6d, 18 }, { 0x1e68, 18 },
170  { 0x3cd8, 19 }, { 0x3cd3, 19 }, { 0x3cd9, 19 }, { 0x79a4, 20 },
171  { 0xf34ba, 25 }, { 0xf34b4, 25 }, { 0xf34b5, 25 }, { 0xf34b6, 25 },
172  { 0xf34b7, 25 }, { 0xf34b8, 25 }, { 0xf34b9, 25 }, { 0xf34bb, 25 },
173  { 0xf34bc, 25 }, { 0xf34bd, 25 }, { 0xf34be, 25 }, { 0xf34bf, 25 },
174  { 0x1e6940, 26 }, { 0x1e6941, 26 }, { 0x1e6942, 26 }, { 0x1e6943, 26 },
175  { 0x1e6944, 26 }, { 0x1e6945, 26 }, { 0x1e6946, 26 }, { 0x1e6947, 26 },
176  { 0x1e6948, 26 }, { 0x1e6949, 26 }, { 0x1e694a, 26 }, { 0x1e694b, 26 },
177  { 0x1e694c, 26 }, { 0x1e694d, 26 }, { 0x1e694e, 26 }, { 0x1e694f, 26 },
178  { 0x1e6950, 26 }, { 0x1e6951, 26 }, { 0x1e6952, 26 }, { 0x1e6953, 26 },
179  { 0x1e6954, 26 }, { 0x1e6955, 26 }, { 0x1e6956, 26 }, { 0x1e6957, 26 },
180  { 0x1e6958, 26 }, { 0x1e6959, 26 }, { 0x1e695a, 26 }, { 0x1e695b, 26 },
181  { 0x1e695c, 26 }, { 0x1e695d, 26 }, { 0x1e695e, 26 }, { 0x1e695f, 26 },
182  { 0x1e6960, 26 }, { 0x1e6961, 26 }, { 0x1e6962, 26 }, { 0x1e6963, 26 },
183  { 0x1e6964, 26 }, { 0x1e6965, 26 }, { 0x1e6966, 26 }, { 0x1e6967, 26 },
184  },
185  {
186  { 0x0, 2 }, { 0x1, 2 }, { 0x4, 3 }, { 0x7, 3 },
187  { 0xb, 4 }, { 0xd, 4 }, { 0x15, 5 }, { 0x28, 6 },
188  { 0x30, 6 }, { 0x32, 6 }, { 0x52, 7 }, { 0x62, 7 },
189  { 0x66, 7 }, { 0xa6, 8 }, { 0xc6, 8 }, { 0xcf, 8 },
190  { 0x14f, 9 }, { 0x18e, 9 }, { 0x19c, 9 }, { 0x29d, 10 },
191  { 0x33a, 10 }, { 0x538, 11 }, { 0x63c, 11 }, { 0x63e, 11 },
192  { 0x63f, 11 }, { 0x676, 11 }, { 0xa73, 12 }, { 0xc7a, 12 },
193  { 0xcef, 12 }, { 0x14e5, 13 }, { 0x19dd, 13 }, { 0x29c8, 14 },
194  { 0x29c9, 14 }, { 0x63dd, 15 }, { 0x33b8, 14 }, { 0x33b9, 14 },
195  { 0xc7b6, 16 }, { 0x63d8, 15 }, { 0x63df, 15 }, { 0xc7b3, 16 },
196  { 0xc7b4, 16 }, { 0xc7b5, 16 }, { 0x63de, 15 }, { 0xc7b7, 16 },
197  { 0xc7b8, 16 }, { 0xc7b9, 16 }, { 0x18f65, 17 }, { 0x31ec8, 18 },
198  { 0xc7b248, 24 }, { 0xc7b249, 24 }, { 0xc7b24a, 24 }, { 0xc7b24b, 24 },
199  { 0xc7b24c, 24 }, { 0xc7b24d, 24 }, { 0xc7b24e, 24 }, { 0xc7b24f, 24 },
200  { 0xc7b250, 24 }, { 0xc7b251, 24 }, { 0xc7b252, 24 }, { 0xc7b253, 24 },
201  { 0xc7b254, 24 }, { 0xc7b255, 24 }, { 0xc7b256, 24 }, { 0xc7b257, 24 },
202  { 0xc7b258, 24 }, { 0xc7b259, 24 }, { 0xc7b25a, 24 }, { 0xc7b25b, 24 },
203  { 0xc7b25c, 24 }, { 0xc7b25d, 24 }, { 0xc7b25e, 24 }, { 0xc7b25f, 24 },
204  { 0xc7b260, 24 }, { 0xc7b261, 24 }, { 0xc7b262, 24 }, { 0xc7b263, 24 },
205  { 0xc7b264, 24 }, { 0xc7b265, 24 }, { 0xc7b266, 24 }, { 0xc7b267, 24 },
206  { 0xc7b268, 24 }, { 0xc7b269, 24 }, { 0xc7b26a, 24 }, { 0xc7b26b, 24 },
207  { 0xc7b26c, 24 }, { 0xc7b26d, 24 }, { 0xc7b26e, 24 }, { 0xc7b26f, 24 },
208  { 0xc7b270, 24 }, { 0xc7b271, 24 }, { 0xc7b272, 24 }, { 0xc7b273, 24 },
209  { 0xc7b274, 24 }, { 0xc7b275, 24 }, { 0xc7b276, 24 }, { 0xc7b277, 24 },
210  { 0xc7b278, 24 }, { 0xc7b279, 24 }, { 0xc7b27a, 24 }, { 0xc7b27b, 24 },
211  { 0xc7b27c, 24 }, { 0xc7b27d, 24 }, { 0xc7b27e, 24 }, { 0xc7b27f, 24 },
212  { 0x18f6480, 25 }, { 0x18f6481, 25 }, { 0x18f6482, 25 }, { 0x18f6483, 25 },
213  { 0x18f6484, 25 }, { 0x18f6485, 25 }, { 0x18f6486, 25 }, { 0x18f6487, 25 },
214  { 0x18f6488, 25 }, { 0x18f6489, 25 }, { 0x18f648a, 25 }, { 0x18f648b, 25 },
215  { 0x18f648c, 25 }, { 0x18f648d, 25 }, { 0x18f648e, 25 }, { 0x18f648f, 25 },
216  }
217 }
218 };
219 
220 const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64] = {
221  { 0x00, 0x08, 0x01, 0x02, 0x09, 0x10, 0x18, 0x11,
222  0x0A, 0x03, 0x04, 0x0B, 0x12, 0x19, 0x20, 0x28,
223  0x30, 0x38, 0x29, 0x21, 0x1A, 0x13, 0x0C, 0x05,
224  0x06, 0x0D, 0x14, 0x1B, 0x22, 0x31, 0x39, 0x3A,
225  0x32, 0x2A, 0x23, 0x1C, 0x15, 0x0E, 0x07, 0x0F,
226  0x16, 0x1D, 0x24, 0x2B, 0x33, 0x3B, 0x3C, 0x34,
227  0x2C, 0x25, 0x1E, 0x17, 0x1F, 0x26, 0x2D, 0x35,
228  0x3D, 0x3E, 0x36, 0x2E, 0x27, 0x2F, 0x37, 0x3F, },
229  { 0x00, 0x08, 0x01, 0x02, 0x09, 0x10, 0x18, 0x11,
230  0x0A, 0x03, 0x04, 0x0B, 0x12, 0x19, 0x20, 0x28,
231  0x21, 0x30, 0x1A, 0x13, 0x0C, 0x05, 0x06, 0x0D,
232  0x14, 0x1B, 0x22, 0x29, 0x38, 0x31, 0x39, 0x2A,
233  0x23, 0x1C, 0x15, 0x0E, 0x07, 0x0F, 0x16, 0x1D,
234  0x24, 0x2B, 0x32, 0x3A, 0x33, 0x3B, 0x2C, 0x25,
235  0x1E, 0x17, 0x1F, 0x26, 0x2D, 0x34, 0x3C, 0x35,
236  0x3D, 0x2E, 0x27, 0x2F, 0x36, 0x3E, 0x37, 0x3F, },
237  { 0x00, 0x01, 0x08, 0x02, 0x03, 0x09, 0x10, 0x18,
238  0x11, 0x0A, 0x04, 0x05, 0x0B, 0x12, 0x19, 0x20,
239  0x28, 0x30, 0x21, 0x1A, 0x13, 0x0C, 0x06, 0x07,
240  0x0D, 0x14, 0x1B, 0x22, 0x29, 0x38, 0x31, 0x39,
241  0x2A, 0x23, 0x1C, 0x15, 0x0E, 0x0F, 0x16, 0x1D,
242  0x24, 0x2B, 0x32, 0x3A, 0x33, 0x2C, 0x25, 0x1E,
243  0x17, 0x1F, 0x26, 0x2D, 0x34, 0x3B, 0x3C, 0x35,
244  0x2E, 0x27, 0x2F, 0x36, 0x3D, 0x3E, 0x37, 0x3F, },
245  { 0x00, 0x08, 0x10, 0x01, 0x18, 0x20, 0x28, 0x09,
246  0x02, 0x03, 0x0A, 0x11, 0x19, 0x30, 0x38, 0x29,
247  0x21, 0x1A, 0x12, 0x0B, 0x04, 0x05, 0x0C, 0x13,
248  0x1B, 0x22, 0x31, 0x39, 0x32, 0x2A, 0x23, 0x1C,
249  0x14, 0x0D, 0x06, 0x07, 0x0E, 0x15, 0x1D, 0x24,
250  0x2B, 0x33, 0x3A, 0x3B, 0x34, 0x2C, 0x25, 0x1E,
251  0x16, 0x0F, 0x17, 0x1F, 0x26, 0x2D, 0x3C, 0x35,
252  0x2E, 0x27, 0x2F, 0x36, 0x3D, 0x3E, 0x37, 0x3F, }
253 };
ff_msmp4_dc_tables
const uint32_t ff_msmp4_dc_tables[2][2][120][2]
Definition: msmpeg4_vc1_data.c:83
thread.h
MSMP4_MB_INTRA_VLC_BITS
#define MSMP4_MB_INTRA_VLC_BITS
Definition: msmpeg4_vc1_data.h:36
ff_thread_once
static int ff_thread_once(char *control, void(*routine)(void))
Definition: thread.h:205
av_cold
#define av_cold
Definition: attributes.h:90
ff_msmp4_vc1_vlcs_init_once
av_cold void ff_msmp4_vc1_vlcs_init_once(void)
Definition: msmpeg4_vc1_data.c:56
VLCInitState
For static VLCs, the number of bits can often be hardcoded at each get_vlc2() callsite.
Definition: vlc.h:212
AV_ONCE_INIT
#define AV_ONCE_INIT
Definition: thread.h:203
ff_msmp4_mb_i_table
const uint16_t ff_msmp4_mb_i_table[64][2]
Definition: msmpeg4_vc1_data.c:63
msmp4_vc1_vlcs_init
static av_cold void msmp4_vc1_vlcs_init(void)
Definition: msmpeg4_vc1_data.c:38
AVOnce
#define AVOnce
Definition: thread.h:202
ff_msmp4_mb_i_vlc
VLCElem ff_msmp4_mb_i_vlc[536]
Definition: msmpeg4_vc1_data.c:35
MSMP4_DC_VLC_BITS
#define MSMP4_DC_VLC_BITS
Definition: msmpeg4_vc1_data.h:38
VLCElem
Definition: vlc.h:32
attributes.h
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
WMV1_SCANTABLE_COUNT
#define WMV1_SCANTABLE_COUNT
Definition: msmpeg4_vc1_data.h:44
state
static struct @399 state
VLC_INIT_STATIC_TABLE
#define VLC_INIT_STATIC_TABLE(vlc_table, nb_bits, nb_codes, bits, bits_wrap, bits_size, codes, codes_wrap, codes_size, flags)
Definition: vlc.h:270
ff_vlc_init_tables
static const VLCElem * ff_vlc_init_tables(VLCInitState *state, int nb_bits, int nb_codes, const void *bits, int bits_wrap, int bits_size, const void *codes, int codes_wrap, int codes_size, int flags)
Definition: vlc.h:246
msmpeg4_vc1_data.h
ff_msmp4_dc_vlc
const VLCElem * ff_msmp4_dc_vlc[2][2]
Definition: msmpeg4_vc1_data.c:36
VLC_INIT_STATE
#define VLC_INIT_STATE(_table)
Definition: vlc.h:217
vlc.h
ff_wmv1_scantable
const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64]
Definition: msmpeg4_vc1_data.c:220
Generated on Thu Apr 18 2024 19:21:45 for FFmpeg by   doxygen 1.8.17