2 * copyright (c) 2000,2001 Fabrice Bellard
4 * copyright (c) 2001 Juan J. Sierralta P.
5 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
30 /* intra MCBPC, mb_type = (intra), then (intraq) */
31 const uint8_t intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
32 const uint8_t intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 };
34 /* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */
35 /* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */
36 const uint8_t inter_MCBPC_code[28] = {
42 1, 0, 0, 0, /* Stuffing */
45 const uint8_t inter_MCBPC_bits[28] = {
46 1, 4, 4, 6, /* inter */
47 5, 8, 8, 7, /* intra */
48 3, 7, 7, 9, /* interQ */
49 6, 9, 9, 9, /* intraQ */
50 3, 7, 7, 8, /* inter4 */
51 9, 0, 0, 0, /* Stuffing */
52 11, 13, 13, 13,/* inter4Q*/
55 static const uint8_t h263_mbtype_b_tab[15][2] = {
73 static const int h263_mb_type_b_map[15]= {
74 MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
75 MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP,
76 MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT,
77 MB_TYPE_L0 | MB_TYPE_16x16,
78 MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_16x16,
79 MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
80 MB_TYPE_L1 | MB_TYPE_16x16,
81 MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_16x16,
82 MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
83 MB_TYPE_L0L1 | MB_TYPE_16x16,
84 MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_16x16,
85 MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
87 MB_TYPE_INTRA4x4 | MB_TYPE_CBP,
88 MB_TYPE_INTRA4x4 | MB_TYPE_CBP | MB_TYPE_QUANT,
91 static const uint8_t cbpc_b_tab[4][2] = {
98 const uint8_t cbpy_tab[16][2] =
100 {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
101 {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
104 const uint8_t mvtab[33][2] =
106 {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
107 {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
108 {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},
109 {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},
113 /* third non intra table */
114 const uint16_t inter_vlc[103][2] = {
115 { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },
116 { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },
117 { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },
118 { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },
119 { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },
120 { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },
121 { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },
122 { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },
123 { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },
124 { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },
125 { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },
126 { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },
127 { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },
128 { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },
129 { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },
130 { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },
131 { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },
132 { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },
133 { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },
134 { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },
135 { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },
136 { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },
137 { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },
138 { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },
139 { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },
140 { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },
143 const int8_t inter_level[102] = {
144 1, 2, 3, 4, 5, 6, 7, 8,
145 9, 10, 11, 12, 1, 2, 3, 4,
146 5, 6, 1, 2, 3, 4, 1, 2,
147 3, 1, 2, 3, 1, 2, 3, 1,
148 2, 3, 1, 2, 1, 2, 1, 2,
149 1, 2, 1, 1, 1, 1, 1, 1,
150 1, 1, 1, 1, 1, 1, 1, 1,
151 1, 1, 1, 2, 3, 1, 2, 1,
152 1, 1, 1, 1, 1, 1, 1, 1,
153 1, 1, 1, 1, 1, 1, 1, 1,
154 1, 1, 1, 1, 1, 1, 1, 1,
155 1, 1, 1, 1, 1, 1, 1, 1,
159 const int8_t inter_run[102] = {
160 0, 0, 0, 0, 0, 0, 0, 0,
161 0, 0, 0, 0, 1, 1, 1, 1,
162 1, 1, 2, 2, 2, 2, 3, 3,
163 3, 4, 4, 4, 5, 5, 5, 6,
164 6, 6, 7, 7, 8, 8, 9, 9,
165 10, 10, 11, 12, 13, 14, 15, 16,
166 17, 18, 19, 20, 21, 22, 23, 24,
167 25, 26, 0, 0, 0, 1, 1, 2,
168 3, 4, 5, 6, 7, 8, 9, 10,
169 11, 12, 13, 14, 15, 16, 17, 18,
170 19, 20, 21, 22, 23, 24, 25, 26,
171 27, 28, 29, 30, 31, 32, 33, 34,
172 35, 36, 37, 38, 39, 40,
175 static RLTable rl_inter = {
183 static const uint16_t intra_vlc_aic[103][2] = {
184 { 0x2, 2 }, { 0x6, 3 }, { 0xe, 4 }, { 0xc, 5 },
185 { 0xd, 5 }, { 0x10, 6 }, { 0x11, 6 }, { 0x12, 6 },
186 { 0x16, 7 }, { 0x1b, 8 }, { 0x20, 9 }, { 0x21, 9 },
187 { 0x1a, 9 }, { 0x1b, 9 }, { 0x1c, 9 }, { 0x1d, 9 },
188 { 0x1e, 9 }, { 0x1f, 9 }, { 0x23, 11 }, { 0x22, 11 },
189 { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
190 { 0x53, 12 }, { 0xf, 4 }, { 0x14, 6 }, { 0x14, 7 },
191 { 0x1e, 8 }, { 0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
192 { 0xb, 5 }, { 0x15, 7 }, { 0xe, 10 }, { 0x9, 10 },
193 { 0x15, 6 }, { 0x1d, 8 }, { 0xd, 10 }, { 0x51, 12 },
194 { 0x13, 6 }, { 0x23, 9 }, { 0x7, 11 }, { 0x17, 7 },
195 { 0x22, 9 }, { 0x52, 12 }, { 0x1c, 8 }, { 0xc, 10 },
196 { 0x1f, 8 }, { 0xb, 10 }, { 0x25, 9 }, { 0xa, 10 },
197 { 0x24, 9 }, { 0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
198 { 0x8, 10 }, { 0x20, 11 }, { 0x7, 4 }, { 0xc, 6 },
199 { 0x10, 7 }, { 0x13, 8 }, { 0x11, 9 }, { 0x12, 9 },
200 { 0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
201 { 0xf, 6 }, { 0x13, 9 }, { 0x5, 10 }, { 0x25, 11 },
202 { 0xe, 6 }, { 0x14, 9 }, { 0x24, 11 }, { 0xd, 6 },
203 { 0x6, 10 }, { 0x5e, 12 }, { 0x11, 7 }, { 0x7, 10 },
204 { 0x13, 7 }, { 0x5d, 12 }, { 0x12, 7 }, { 0x5c, 12 },
205 { 0x14, 8 }, { 0x5b, 12 }, { 0x15, 8 }, { 0x1a, 8 },
206 { 0x19, 8 }, { 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 },
207 { 0x19, 9 }, { 0x15, 9 }, { 0x16, 9 }, { 0x18, 9 },
208 { 0x17, 9 }, { 0x4, 11 }, { 0x5, 11 }, { 0x58, 12 },
209 { 0x59, 12 }, { 0x5a, 12 }, { 0x3, 7 },
212 static const int8_t intra_run_aic[102] = {
213 0, 0, 0, 0, 0, 0, 0, 0,
214 0, 0, 0, 0, 0, 0, 0, 0,
215 0, 0, 0, 0, 0, 0, 0, 0,
216 0, 1, 1, 1, 1, 1, 1, 1,
217 2, 2, 2, 2, 3, 3, 3, 3,
218 4, 4, 4, 5, 5, 5, 6, 6,
219 7, 7, 8, 8, 9, 9, 10, 11,
220 12, 13, 0, 0, 0, 0, 0, 0,
221 0, 0, 0, 0, 1, 1, 1, 1,
222 2, 2, 2, 3, 3, 3, 4, 4,
223 5, 5, 6, 6, 7, 7, 8, 9,
224 10, 11, 12, 13, 14, 15, 16, 17,
225 18, 19, 20, 21, 22, 23,
228 static const int8_t intra_level_aic[102] = {
229 1, 2, 3, 4, 5, 6, 7, 8,
230 9, 10, 11, 12, 13, 14, 15, 16,
231 17, 18, 19, 20, 21, 22, 23, 24,
232 25, 1, 2, 3, 4, 5, 6, 7,
233 1, 2, 3, 4, 1, 2, 3, 4,
234 1, 2, 3, 1, 2, 3, 1, 2,
235 1, 2, 1, 2, 1, 2, 1, 1,
236 1, 1, 1, 2, 3, 4, 5, 6,
237 7, 8, 9, 10, 1, 2, 3, 4,
238 1, 2, 3, 1, 2, 3, 1, 2,
239 1, 2, 1, 2, 1, 2, 1, 1,
240 1, 1, 1, 1, 1, 1, 1, 1,
244 static RLTable rl_intra_aic = {
252 static const uint8_t wrong_run[102] = {
253 1, 2, 3, 5, 4, 10, 9, 8,
254 11, 15, 17, 16, 23, 22, 21, 20,
255 19, 18, 25, 24, 27, 26, 11, 7,
256 6, 1, 2, 13, 2, 2, 2, 2,
257 6, 12, 3, 9, 1, 3, 4, 3,
258 7, 4, 1, 1, 5, 5, 14, 6,
259 1, 7, 1, 8, 1, 1, 1, 1,
260 10, 1, 1, 5, 9, 17, 25, 24,
261 29, 33, 32, 41, 2, 23, 28, 31,
262 3, 22, 30, 4, 27, 40, 8, 26,
263 6, 39, 7, 38, 16, 37, 15, 10,
264 11, 12, 13, 14, 1, 21, 20, 18,
268 static const uint16_t h263_format[8][2] = {
277 const uint8_t ff_aic_dc_scale_table[32]={
278 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
279 0, 2, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62
282 static const uint8_t modified_quant_tab[2][32]={
283 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
285 0, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9,10,11,12,13,14,15,16,17,18,18,19,20,21,22,23,24,25,26,27,28
287 0, 2, 3, 4, 5, 6, 7, 8, 9,10,11,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,29,30,31,31,31,26
291 const uint8_t ff_h263_chroma_qscale_table[32]={
292 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
293 0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9,10,10,11,11,12,12,12,13,13,13,14,14,14,14,14,15,15,15,15,15
296 const uint16_t ff_mba_max[6]={
297 47, 98, 395,1583,6335,9215
300 const uint8_t ff_mba_length[7]={
301 6, 7, 9, 11, 13, 14, 14
304 const uint8_t ff_h263_loop_filter_strength[32]={
305 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
306 0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9,10,10,10,11,11,11,12,12,12