2 * copyright (c) 2000,2001 Fabrice Bellard
4 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg 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 GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #define BIN_ONLY_SHAPE 2
34 #define SIMPLE_VO_TYPE 1
35 #define CORE_VO_TYPE 3
36 #define MAIN_VO_TYPE 4
37 #define NBIT_VO_TYPE 5
38 #define ARTS_VO_TYPE 10
39 #define ACE_VO_TYPE 12
40 #define ADV_SIMPLE_VO_TYPE 17
43 #define EXTENDED_PAR 15
45 //vol_sprite_usage / sprite_enable
46 #define STATIC_SPRITE 1
49 #define MOTION_MARKER 0x1F001
50 #define DC_MARKER 0x6B001
52 static const int mb_type_b_map[4]= {
53 MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
54 MB_TYPE_L0L1 | MB_TYPE_16x16,
55 MB_TYPE_L1 | MB_TYPE_16x16,
56 MB_TYPE_L0 | MB_TYPE_16x16,
59 #define VOS_STARTCODE 0x1B0
60 #define USER_DATA_STARTCODE 0x1B2
61 #define GOP_STARTCODE 0x1B3
62 #define VISUAL_OBJ_STARTCODE 0x1B5
63 #define VOP_STARTCODE 0x1B6
65 /* dc encoding for mpeg4 */
66 const uint8_t DCtab_lum[13][2] =
68 {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
69 {1,8}, {1,9}, {1,10}, {1,11},
72 const uint8_t DCtab_chrom[13][2] =
74 {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
75 {1,9}, {1,10}, {1,11}, {1,12},
78 const uint16_t intra_vlc[103][2] = {
80 { 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },
81 { 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },
82 { 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },
83 { 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },
84 { 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },
85 { 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },
86 { 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },
87 { 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },
88 { 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },
89 { 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },
90 { 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },
91 { 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },
92 { 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },
93 { 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },
94 { 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },
95 { 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },
96 { 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },
97 { 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },
98 { 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },
99 { 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },
100 { 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },
101 { 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },
102 { 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },
103 { 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },
104 { 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },
105 { 0x5f, 12 },{ 0x3, 7 },
108 const int8_t intra_level[102] = {
109 1, 2, 3, 4, 5, 6, 7, 8,
110 9, 10, 11, 12, 13, 14, 15, 16,
111 17, 18, 19, 20, 21, 22, 23, 24,
112 25, 26, 27, 1, 2, 3, 4, 5,
113 6, 7, 8, 9, 10, 1, 2, 3,
114 4, 5, 1, 2, 3, 4, 1, 2,
115 3, 1, 2, 3, 1, 2, 3, 1,
116 2, 3, 1, 2, 1, 2, 1, 1,
117 1, 1, 1, 1, 2, 3, 4, 5,
118 6, 7, 8, 1, 2, 3, 1, 2,
119 1, 2, 1, 2, 1, 2, 1, 2,
120 1, 1, 1, 1, 1, 1, 1, 1,
124 const int8_t intra_run[102] = {
125 0, 0, 0, 0, 0, 0, 0, 0,
126 0, 0, 0, 0, 0, 0, 0, 0,
127 0, 0, 0, 0, 0, 0, 0, 0,
128 0, 0, 0, 1, 1, 1, 1, 1,
129 1, 1, 1, 1, 1, 2, 2, 2,
130 2, 2, 3, 3, 3, 3, 4, 4,
131 4, 5, 5, 5, 6, 6, 6, 7,
132 7, 7, 8, 8, 9, 9, 10, 11,
133 12, 13, 14, 0, 0, 0, 0, 0,
134 0, 0, 0, 1, 1, 1, 2, 2,
135 3, 3, 4, 4, 5, 5, 6, 6,
136 7, 8, 9, 10, 11, 12, 13, 14,
137 15, 16, 17, 18, 19, 20,
140 static RLTable rl_intra = {
148 static const uint16_t inter_rvlc[170][2]={ //note this is identical to the intra rvlc except that its reordered
149 {0x0006, 3},{0x0001, 4},{0x0004, 5},{0x001C, 7},
150 {0x003C, 8},{0x003D, 8},{0x007C, 9},{0x00FC, 10},
151 {0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},
152 {0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},
153 {0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007, 3},
154 {0x000C, 6},{0x005C, 8},{0x007D, 9},{0x017C, 10},
155 {0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},
156 {0x17FD, 14},{0x000A, 4},{0x001D, 7},{0x00BC, 9},
157 {0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},
158 {0x0005, 5},{0x005D, 8},{0x017D, 10},{0x05FD, 12},
159 {0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008, 5},
160 {0x006C, 8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},
161 {0x0009, 5},{0x00BD, 9},{0x037D, 11},{0x0EFD, 13},
162 {0x000D, 6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},
163 {0x0014, 6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},
164 {0x0015, 6},{0x01DC, 10},{0x0F7C, 13},{0x002C, 7},
165 {0x01DD, 10},{0x1EFC, 14},{0x002D, 7},{0x03BC, 11},
166 {0x0034, 7},{0x077C, 12},{0x006D, 8},{0x0F7D, 13},
167 {0x0074, 8},{0x1EFD, 14},{0x0075, 8},{0x1F7C, 14},
168 {0x00DC, 9},{0x1F7D, 14},{0x00DD, 9},{0x1FBC, 14},
169 {0x00EC, 9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},
170 {0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},
171 {0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},
172 {0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},
173 {0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},
174 {0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},
175 {0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13},
176 {0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12},
177 {0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11},
178 {0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6},
179 {0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6},
180 {0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7},
181 {0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7},
182 {0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8},
183 {0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8},
184 {0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9},
185 {0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10},
186 {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
187 {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
188 {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
189 {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
190 {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
191 {0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
194 static const int8_t inter_rvlc_run[169]={
195 0, 0, 0, 0, 0, 0, 0, 0,
196 0, 0, 0, 0, 0, 0, 0, 0,
197 0, 0, 0, 1, 1, 1, 1, 1,
198 1, 1, 1, 1, 1, 2, 2, 2,
199 2, 2, 2, 2, 3, 3, 3, 3,
200 3, 3, 3, 4, 4, 4, 4, 4,
201 5, 5, 5, 5, 6, 6, 6, 6,
202 7, 7, 7, 7, 8, 8, 8, 9,
203 9, 9, 10, 10, 11, 11, 12, 12,
204 13, 13, 14, 14, 15, 15, 16, 16,
205 17, 17, 18, 19, 20, 21, 22, 23,
206 24, 25, 26, 27, 28, 29, 30, 31,
207 32, 33, 34, 35, 36, 37, 38,
208 0, 0, 0, 0, 0, 1, 1, 1,
209 1, 1, 2, 2, 2, 3, 3, 4,
210 4, 5, 5, 6, 6, 7, 7, 8,
211 8, 9, 9, 10, 10, 11, 11, 12,
212 12, 13, 13, 14, 15, 16, 17, 18,
213 19, 20, 21, 22, 23, 24, 25, 26,
214 27, 28, 29, 30, 31, 32, 33, 34,
215 35, 36, 37, 38, 39, 40, 41, 42,
219 static const int8_t inter_rvlc_level[169]={
220 1, 2, 3, 4, 5, 6, 7, 8,
221 9, 10, 11, 12, 13, 14, 15, 16,
222 17, 18, 19, 1, 2, 3, 4, 5,
223 6, 7, 8, 9, 10, 1, 2, 3,
224 4, 5, 6, 7, 1, 2, 3, 4,
225 5, 6, 7, 1, 2, 3, 4, 5,
226 1, 2, 3, 4, 1, 2, 3, 4,
227 1, 2, 3, 4, 1, 2, 3, 1,
228 2, 3, 1, 2, 1, 2, 1, 2,
229 1, 2, 1, 2, 1, 2, 1, 2,
230 1, 2, 1, 1, 1, 1, 1, 1,
231 1, 1, 1, 1, 1, 1, 1, 1,
233 1, 2, 3, 4, 5, 1, 2, 3,
234 4, 5, 1, 2, 3, 1, 2, 1,
235 2, 1, 2, 1, 2, 1, 2, 1,
236 2, 1, 2, 1, 2, 1, 2, 1,
237 2, 1, 2, 1, 1, 1, 1, 1,
238 1, 1, 1, 1, 1, 1, 1, 1,
239 1, 1, 1, 1, 1, 1, 1, 1,
240 1, 1, 1, 1, 1, 1, 1, 1,
244 static RLTable rvlc_rl_inter = {
252 static const uint16_t intra_rvlc[170][2]={
253 {0x0006, 3},{0x0007, 3},{0x000A, 4},{0x0009, 5},
254 {0x0014, 6},{0x0015, 6},{0x0034, 7},{0x0074, 8},
255 {0x0075, 8},{0x00DD, 9},{0x00EC, 9},{0x01EC, 10},
256 {0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},
257 {0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},
258 {0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},
259 {0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001, 4},
260 {0x0008, 5},{0x002D, 7},{0x006C, 8},{0x006D, 8},
261 {0x00DC, 9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},
262 {0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},
263 {0x0004, 5},{0x002C, 7},{0x00BC, 9},{0x01DC, 10},
264 {0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},
265 {0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005, 5},
266 {0x005C, 8},{0x00BD, 9},{0x037D, 11},{0x06FC, 12},
267 {0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},
268 {0x000C, 6},{0x005D, 8},{0x01BD, 10},{0x03FD, 12},
269 {0x06FD, 12},{0x1BFD, 14},{0x000D, 6},{0x007D, 9},
270 {0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},
271 {0x001C, 7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},
272 {0x2FFC, 15},{0x001D, 7},{0x017D, 10},{0x037C, 11},
273 {0x0DFD, 13},{0x2FFD, 15},{0x003C, 8},{0x01BC, 10},
274 {0x0BFD, 13},{0x17FD, 14},{0x003D, 8},{0x01FD, 11},
275 {0x0DFC, 13},{0x37FC, 15},{0x007C, 9},{0x03FC, 12},
276 {0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},
277 {0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},
278 {0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},
279 {0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13},
280 {0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12},
281 {0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11},
282 {0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6},
283 {0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6},
284 {0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7},
285 {0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7},
286 {0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8},
287 {0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8},
288 {0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9},
289 {0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10},
290 {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
291 {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
292 {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
293 {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
294 {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
295 {0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
298 static const int8_t intra_rvlc_run[169]={
299 0, 0, 0, 0, 0, 0, 0, 0,
300 0, 0, 0, 0, 0, 0, 0, 0,
301 0, 0, 0, 0, 0, 0, 0, 0,
302 0, 0, 0, 1, 1, 1, 1, 1,
303 1, 1, 1, 1, 1, 1, 1, 1,
304 2, 2, 2, 2, 2, 2, 2, 2,
305 2, 2, 2, 3, 3, 3, 3, 3,
306 3, 3, 3, 3, 4, 4, 4, 4,
307 4, 4, 5, 5, 5, 5, 5, 5,
308 6, 6, 6, 6, 6, 7, 7, 7,
309 7, 7, 8, 8, 8, 8, 9, 9,
310 9, 9, 10, 10, 11, 11, 12, 12,
311 13, 14, 15, 16, 17, 18, 19,
312 0, 0, 0, 0, 0, 1, 1, 1,
313 1, 1, 2, 2, 2, 3, 3, 4,
314 4, 5, 5, 6, 6, 7, 7, 8,
315 8, 9, 9, 10, 10, 11, 11, 12,
316 12, 13, 13, 14, 15, 16, 17, 18,
317 19, 20, 21, 22, 23, 24, 25, 26,
318 27, 28, 29, 30, 31, 32, 33, 34,
319 35, 36, 37, 38, 39, 40, 41, 42,
323 static const int8_t intra_rvlc_level[169]={
324 1, 2, 3, 4, 5, 6, 7, 8,
325 9, 10, 11, 12, 13, 14, 15, 16,
326 17, 18, 19, 20, 21, 22, 23, 24,
327 25, 26, 27, 1, 2, 3, 4, 5,
328 6, 7, 8, 9, 10, 11, 12, 13,
329 1, 2, 3, 4, 5, 6, 7, 8,
330 9, 10, 11, 1, 2, 3, 4, 5,
331 6, 7, 8, 9, 1, 2, 3, 4,
332 5, 6, 1, 2, 3, 4, 5, 6,
333 1, 2, 3, 4, 5, 1, 2, 3,
334 4, 5, 1, 2, 3, 4, 1, 2,
335 3, 4, 1, 2, 1, 2, 1, 2,
337 1, 2, 3, 4, 5, 1, 2, 3,
338 4, 5, 1, 2, 3, 1, 2, 1,
339 2, 1, 2, 1, 2, 1, 2, 1,
340 2, 1, 2, 1, 2, 1, 2, 1,
341 2, 1, 2, 1, 1, 1, 1, 1,
342 1, 1, 1, 1, 1, 1, 1, 1,
343 1, 1, 1, 1, 1, 1, 1, 1,
344 1, 1, 1, 1, 1, 1, 1, 1,
348 static RLTable rvlc_rl_intra = {
356 static const uint16_t sprite_trajectory_tab[15][2] = {
357 {0x00, 2}, {0x02, 3}, {0x03, 3}, {0x04, 3}, {0x05, 3}, {0x06, 3},
358 {0x0E, 4}, {0x1E, 5}, {0x3E, 6}, {0x7E, 7}, {0xFE, 8},
359 {0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12},
362 static const uint8_t mb_type_b_tab[4][2] = {
363 {1, 1}, {1, 2}, {1, 3}, {1, 4},
366 static const AVRational pixel_aspect[16]={
385 /* these matrixes will be permuted for the idct */
386 const int16_t ff_mpeg4_default_intra_matrix[64] = {
387 8, 17, 18, 19, 21, 23, 25, 27,
388 17, 18, 19, 21, 23, 25, 27, 28,
389 20, 21, 22, 23, 24, 26, 28, 30,
390 21, 22, 23, 24, 26, 28, 30, 32,
391 22, 23, 24, 26, 28, 30, 32, 35,
392 23, 24, 26, 28, 30, 32, 35, 38,
393 25, 26, 28, 30, 32, 35, 38, 41,
394 27, 28, 30, 32, 35, 38, 41, 45,
397 const int16_t ff_mpeg4_default_non_intra_matrix[64] = {
398 16, 17, 18, 19, 20, 21, 22, 23,
399 17, 18, 19, 20, 21, 22, 23, 24,
400 18, 19, 20, 21, 22, 23, 24, 25,
401 19, 20, 21, 22, 23, 24, 26, 27,
402 20, 21, 22, 23, 25, 26, 27, 28,
403 21, 22, 23, 24, 26, 27, 28, 30,
404 22, 23, 24, 26, 27, 28, 30, 31,
405 23, 24, 25, 27, 28, 30, 31, 33,
408 const uint8_t ff_mpeg4_y_dc_scale_table[32]={
409 // 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
410 0, 8, 8, 8, 8,10,12,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,34,36,38,40,42,44,46
412 const uint8_t ff_mpeg4_c_dc_scale_table[32]={
413 // 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
414 0, 8, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,20,21,22,23,24,25
417 const uint16_t ff_mpeg4_resync_prefix[8]={
418 0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000
421 static const uint8_t mpeg4_dc_threshold[8]={
422 99, 13, 15, 17, 19, 21, 23, 0