7 /* intra MCBPC, mb_type = (intra), then (intraq) */
8 const uint8_t intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
9 const uint8_t intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 };
11 /* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */
12 /* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */
13 const uint8_t inter_MCBPC_code[28] = {
19 1, 0, 0, 0, /* Stuffing */
22 const uint8_t inter_MCBPC_bits[28] = {
23 1, 4, 4, 6, /* inter */
24 5, 8, 8, 7, /* intra */
25 3, 7, 7, 9, /* interQ */
26 6, 9, 9, 9, /* intraQ */
27 3, 7, 7, 8, /* inter4 */
28 9, 0, 0, 0, /* Stuffing */
29 11, 13, 13, 13,/* inter4Q*/
32 static const uint8_t h263_mbtype_b_tab[15][2] = {
50 static const int h263_mb_type_b_map[15]= {
51 MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
52 MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP,
53 MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT,
54 MB_TYPE_L0 | MB_TYPE_16x16,
55 MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_16x16,
56 MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
57 MB_TYPE_L1 | MB_TYPE_16x16,
58 MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_16x16,
59 MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
60 MB_TYPE_L0L1 | MB_TYPE_16x16,
61 MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_16x16,
62 MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
64 MB_TYPE_INTRA4x4 | MB_TYPE_CBP,
65 MB_TYPE_INTRA4x4 | MB_TYPE_CBP | MB_TYPE_QUANT,
68 const uint8_t cbpc_b_tab[4][2] = {
75 const uint8_t cbpy_tab[16][2] =
77 {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
78 {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
81 const uint8_t mvtab[33][2] =
83 {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
84 {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
85 {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},
86 {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},
90 /* third non intra table */
91 const uint16_t inter_vlc[103][2] = {
92 { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },
93 { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },
94 { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },
95 { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },
96 { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },
97 { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },
98 { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },
99 { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },
100 { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },
101 { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },
102 { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },
103 { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },
104 { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },
105 { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },
106 { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },
107 { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },
108 { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },
109 { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },
110 { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },
111 { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },
112 { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },
113 { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },
114 { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },
115 { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },
116 { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },
117 { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },
120 const int8_t inter_level[102] = {
121 1, 2, 3, 4, 5, 6, 7, 8,
122 9, 10, 11, 12, 1, 2, 3, 4,
123 5, 6, 1, 2, 3, 4, 1, 2,
124 3, 1, 2, 3, 1, 2, 3, 1,
125 2, 3, 1, 2, 1, 2, 1, 2,
126 1, 2, 1, 1, 1, 1, 1, 1,
127 1, 1, 1, 1, 1, 1, 1, 1,
128 1, 1, 1, 2, 3, 1, 2, 1,
129 1, 1, 1, 1, 1, 1, 1, 1,
130 1, 1, 1, 1, 1, 1, 1, 1,
131 1, 1, 1, 1, 1, 1, 1, 1,
132 1, 1, 1, 1, 1, 1, 1, 1,
136 const int8_t inter_run[102] = {
137 0, 0, 0, 0, 0, 0, 0, 0,
138 0, 0, 0, 0, 1, 1, 1, 1,
139 1, 1, 2, 2, 2, 2, 3, 3,
140 3, 4, 4, 4, 5, 5, 5, 6,
141 6, 6, 7, 7, 8, 8, 9, 9,
142 10, 10, 11, 12, 13, 14, 15, 16,
143 17, 18, 19, 20, 21, 22, 23, 24,
144 25, 26, 0, 0, 0, 1, 1, 2,
145 3, 4, 5, 6, 7, 8, 9, 10,
146 11, 12, 13, 14, 15, 16, 17, 18,
147 19, 20, 21, 22, 23, 24, 25, 26,
148 27, 28, 29, 30, 31, 32, 33, 34,
149 35, 36, 37, 38, 39, 40,
152 static RLTable rl_inter = {
160 const uint16_t intra_vlc_aic[103][2] = {
161 { 0x2, 2 }, { 0x6, 3 }, { 0xe, 4 }, { 0xc, 5 },
162 { 0xd, 5 }, { 0x10, 6 }, { 0x11, 6 }, { 0x12, 6 },
163 { 0x16, 7 }, { 0x1b, 8 }, { 0x20, 9 }, { 0x21, 9 },
164 { 0x1a, 9 }, { 0x1b, 9 }, { 0x1c, 9 }, { 0x1d, 9 },
165 { 0x1e, 9 }, { 0x1f, 9 }, { 0x23, 11 }, { 0x22, 11 },
166 { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
167 { 0x53, 12 }, { 0xf, 4 }, { 0x14, 6 }, { 0x14, 7 },
168 { 0x1e, 8 }, { 0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
169 { 0xb, 5 }, { 0x15, 7 }, { 0xe, 10 }, { 0x9, 10 },
170 { 0x15, 6 }, { 0x1d, 8 }, { 0xd, 10 }, { 0x51, 12 },
171 { 0x13, 6 }, { 0x23, 9 }, { 0x7, 11 }, { 0x17, 7 },
172 { 0x22, 9 }, { 0x52, 12 }, { 0x1c, 8 }, { 0xc, 10 },
173 { 0x1f, 8 }, { 0xb, 10 }, { 0x25, 9 }, { 0xa, 10 },
174 { 0x24, 9 }, { 0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
175 { 0x8, 10 }, { 0x20, 11 }, { 0x7, 4 }, { 0xc, 6 },
176 { 0x10, 7 }, { 0x13, 8 }, { 0x11, 9 }, { 0x12, 9 },
177 { 0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
178 { 0xf, 6 }, { 0x13, 9 }, { 0x5, 10 }, { 0x25, 11 },
179 { 0xe, 6 }, { 0x14, 9 }, { 0x24, 11 }, { 0xd, 6 },
180 { 0x6, 10 }, { 0x5e, 12 }, { 0x11, 7 }, { 0x7, 10 },
181 { 0x13, 7 }, { 0x5d, 12 }, { 0x12, 7 }, { 0x5c, 12 },
182 { 0x14, 8 }, { 0x5b, 12 }, { 0x15, 8 }, { 0x1a, 8 },
183 { 0x19, 8 }, { 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 },
184 { 0x19, 9 }, { 0x15, 9 }, { 0x16, 9 }, { 0x18, 9 },
185 { 0x17, 9 }, { 0x4, 11 }, { 0x5, 11 }, { 0x58, 12 },
186 { 0x59, 12 }, { 0x5a, 12 }, { 0x3, 7 },
189 const int8_t intra_run_aic[102] = {
190 0, 0, 0, 0, 0, 0, 0, 0,
191 0, 0, 0, 0, 0, 0, 0, 0,
192 0, 0, 0, 0, 0, 0, 0, 0,
193 0, 1, 1, 1, 1, 1, 1, 1,
194 2, 2, 2, 2, 3, 3, 3, 3,
195 4, 4, 4, 5, 5, 5, 6, 6,
196 7, 7, 8, 8, 9, 9, 10, 11,
197 12, 13, 0, 0, 0, 0, 0, 0,
198 0, 0, 0, 0, 1, 1, 1, 1,
199 2, 2, 2, 3, 3, 3, 4, 4,
200 5, 5, 6, 6, 7, 7, 8, 9,
201 10, 11, 12, 13, 14, 15, 16, 17,
202 18, 19, 20, 21, 22, 23,
205 const int8_t intra_level_aic[102] = {
206 1, 2, 3, 4, 5, 6, 7, 8,
207 9, 10, 11, 12, 13, 14, 15, 16,
208 17, 18, 19, 20, 21, 22, 23, 24,
209 25, 1, 2, 3, 4, 5, 6, 7,
210 1, 2, 3, 4, 1, 2, 3, 4,
211 1, 2, 3, 1, 2, 3, 1, 2,
212 1, 2, 1, 2, 1, 2, 1, 1,
213 1, 1, 1, 2, 3, 4, 5, 6,
214 7, 8, 9, 10, 1, 2, 3, 4,
215 1, 2, 3, 1, 2, 3, 1, 2,
216 1, 2, 1, 2, 1, 2, 1, 1,
217 1, 1, 1, 1, 1, 1, 1, 1,
221 static RLTable rl_intra_aic = {
229 static const uint8_t wrong_run[102] = {
230 1, 2, 3, 5, 4, 10, 9, 8,
231 11, 15, 17, 16, 23, 22, 21, 20,
232 19, 18, 25, 24, 27, 26, 11, 7,
233 6, 1, 2, 13, 2, 2, 2, 2,
234 6, 12, 3, 9, 1, 3, 4, 3,
235 7, 4, 1, 1, 5, 5, 14, 6,
236 1, 7, 1, 8, 1, 1, 1, 1,
237 10, 1, 1, 5, 9, 17, 25, 24,
238 29, 33, 32, 41, 2, 23, 28, 31,
239 3, 22, 30, 4, 27, 40, 8, 26,
240 6, 39, 7, 38, 16, 37, 15, 10,
241 11, 12, 13, 14, 1, 21, 20, 18,
245 static const uint16_t h263_format[8][2] = {
254 const uint8_t ff_aic_dc_scale_table[32]={
255 // 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
256 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
259 static const uint8_t modified_quant_tab[2][32]={
260 // 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
262 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
264 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
268 const uint8_t ff_h263_chroma_qscale_table[32]={
269 // 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
270 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
273 const uint16_t ff_mba_max[6]={
274 47, 98, 395,1583,6335,9215
277 const uint8_t ff_mba_length[6]={
281 const uint8_t ff_h263_loop_filter_strength[32]={
282 // 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
283 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