Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/vc1.c |
Date: | 2022-07-05 19:52:29 |
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Lines: | 763 | 942 | 81.0% |
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1 | /* | ||
2 | * VC-1 and WMV3 decoder common code | ||
3 | * Copyright (c) 2011 Mashiat Sarker Shakkhar | ||
4 | * Copyright (c) 2006-2007 Konstantin Shishkov | ||
5 | * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer | ||
6 | * | ||
7 | * This file is part of FFmpeg. | ||
8 | * | ||
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. | ||
13 | * | ||
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. | ||
18 | * | ||
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 | ||
22 | */ | ||
23 | |||
24 | /** | ||
25 | * @file | ||
26 | * VC-1 and WMV3 decoder common code | ||
27 | */ | ||
28 | |||
29 | #include "libavutil/attributes.h" | ||
30 | #include "libavutil/thread.h" | ||
31 | #include "internal.h" | ||
32 | #include "avcodec.h" | ||
33 | #include "mpegvideo.h" | ||
34 | #include "vc1.h" | ||
35 | #include "vc1data.h" | ||
36 | #include "wmv2data.h" | ||
37 | #include "unary.h" | ||
38 | #include "simple_idct.h" | ||
39 | |||
40 | /***********************************************************************/ | ||
41 | /** | ||
42 | * @name VC-1 Bitplane decoding | ||
43 | * @see 8.7, p56 | ||
44 | * @{ | ||
45 | */ | ||
46 | |||
47 | /** Decode rows by checking if they are skipped | ||
48 | * @param plane Buffer to store decoded bits | ||
49 | * @param[in] width Width of this buffer | ||
50 | * @param[in] height Height of this buffer | ||
51 | * @param[in] stride of this buffer | ||
52 | */ | ||
53 | 192 | static void decode_rowskip(uint8_t* plane, int width, int height, int stride, | |
54 | GetBitContext *gb) | ||
55 | { | ||
56 | int x, y; | ||
57 | |||
58 |
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767 | for (y = 0; y < height; y++) { |
59 |
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575 | if (!get_bits1(gb)) //rowskip |
60 | 277 | memset(plane, 0, width); | |
61 | else | ||
62 |
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7569 | for (x = 0; x < width; x++) |
63 | 7271 | plane[x] = get_bits1(gb); | |
64 | 575 | plane += stride; | |
65 | } | ||
66 | 192 | } | |
67 | |||
68 | /** Decode columns by checking if they are skipped | ||
69 | * @param plane Buffer to store decoded bits | ||
70 | * @param[in] width Width of this buffer | ||
71 | * @param[in] height Height of this buffer | ||
72 | * @param[in] stride of this buffer | ||
73 | * @todo FIXME: Optimize | ||
74 | */ | ||
75 | 117 | static void decode_colskip(uint8_t* plane, int width, int height, int stride, | |
76 | GetBitContext *gb) | ||
77 | { | ||
78 | int x, y; | ||
79 | |||
80 |
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853 | for (x = 0; x < width; x++) { |
81 |
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736 | if (!get_bits1(gb)) //colskip |
82 |
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9031 | for (y = 0; y < height; y++) |
83 | 8780 | plane[y*stride] = 0; | |
84 | else | ||
85 |
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6765 | for (y = 0; y < height; y++) |
86 | 6280 | plane[y*stride] = get_bits1(gb); | |
87 | 736 | plane ++; | |
88 | } | ||
89 | 117 | } | |
90 | |||
91 | /** Decode a bitplane's bits | ||
92 | * @param data bitplane where to store the decode bits | ||
93 | * @param[out] raw_flag pointer to the flag indicating that this bitplane is not coded explicitly | ||
94 | * @param v VC-1 context for bit reading and logging | ||
95 | * @return Status | ||
96 | * @todo FIXME: Optimize | ||
97 | */ | ||
98 | 1098 | static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v) | |
99 | { | ||
100 | 1098 | GetBitContext *gb = &v->s.gb; | |
101 | |||
102 | int imode, x, y, code, offset; | ||
103 | 1098 | uint8_t invert, *planep = data; | |
104 | int width, height, stride; | ||
105 | |||
106 | 1098 | width = v->s.mb_width; | |
107 | 1098 | height = v->s.mb_height >> v->field_mode; | |
108 | 1098 | stride = v->s.mb_stride; | |
109 | 1098 | invert = get_bits1(gb); | |
110 | 1098 | imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1); | |
111 | |||
112 | 1098 | *raw_flag = 0; | |
113 |
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1098 | switch (imode) { |
114 | 632 | case IMODE_RAW: | |
115 | //Data is actually read in the MB layer (same for all tests == "raw") | ||
116 | 632 | *raw_flag = 1; //invert ignored | |
117 | 632 | return invert; | |
118 | 164 | case IMODE_DIFF2: | |
119 | case IMODE_NORM2: | ||
120 |
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164 | if ((height * width) & 1) { |
121 | 112 | *planep++ = get_bits1(gb); | |
122 | 112 | y = offset = 1; | |
123 |
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112 | if (offset == width) { |
124 | ✗ | offset = 0; | |
125 | ✗ | planep += stride - width; | |
126 | } | ||
127 | } | ||
128 | else | ||
129 | 52 | y = offset = 0; | |
130 | // decode bitplane as one long line | ||
131 |
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41886 | for (; y < height * width; y += 2) { |
132 | 41722 | code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1); | |
133 | 41722 | *planep++ = code & 1; | |
134 | 41722 | offset++; | |
135 |
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41722 | if (offset == width) { |
136 | 529 | offset = 0; | |
137 | 529 | planep += stride - width; | |
138 | } | ||
139 | 41722 | *planep++ = code >> 1; | |
140 | 41722 | offset++; | |
141 |
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41722 | if (offset == width) { |
142 | 1417 | offset = 0; | |
143 | 1417 | planep += stride - width; | |
144 | } | ||
145 | } | ||
146 | 164 | break; | |
147 | 246 | case IMODE_DIFF6: | |
148 | case IMODE_NORM6: | ||
149 |
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246 | if (!(height % 3) && (width % 3)) { // use 2x3 decoding |
150 |
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92 | for (y = 0; y < height; y += 3) { |
151 |
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750 | for (x = width & 1; x < width; x += 2) { |
152 | 675 | code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); | |
153 |
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675 | if (code < 0) { |
154 | ✗ | av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); | |
155 | ✗ | return -1; | |
156 | } | ||
157 | 675 | planep[x + 0] = (code >> 0) & 1; | |
158 | 675 | planep[x + 1] = (code >> 1) & 1; | |
159 | 675 | planep[x + 0 + stride] = (code >> 2) & 1; | |
160 | 675 | planep[x + 1 + stride] = (code >> 3) & 1; | |
161 | 675 | planep[x + 0 + stride * 2] = (code >> 4) & 1; | |
162 | 675 | planep[x + 1 + stride * 2] = (code >> 5) & 1; | |
163 | } | ||
164 | 75 | planep += stride * 3; | |
165 | } | ||
166 |
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17 | if (width & 1) |
167 | 5 | decode_colskip(data, 1, height, stride, &v->s.gb); | |
168 | } else { // 3x2 | ||
169 | 229 | planep += (height & 1) * stride; | |
170 |
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2190 | for (y = height & 1; y < height; y += 2) { |
171 |
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32856 | for (x = width % 3; x < width; x += 3) { |
172 | 30895 | code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); | |
173 |
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30895 | if (code < 0) { |
174 | ✗ | av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); | |
175 | ✗ | return -1; | |
176 | } | ||
177 | 30895 | planep[x + 0] = (code >> 0) & 1; | |
178 | 30895 | planep[x + 1] = (code >> 1) & 1; | |
179 | 30895 | planep[x + 2] = (code >> 2) & 1; | |
180 | 30895 | planep[x + 0 + stride] = (code >> 3) & 1; | |
181 | 30895 | planep[x + 1 + stride] = (code >> 4) & 1; | |
182 | 30895 | planep[x + 2 + stride] = (code >> 5) & 1; | |
183 | } | ||
184 | 1961 | planep += stride * 2; | |
185 | } | ||
186 | 229 | x = width % 3; | |
187 |
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229 | if (x) |
188 | 89 | decode_colskip(data, x, height, stride, &v->s.gb); | |
189 |
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229 | if (height & 1) |
190 | 159 | decode_rowskip(data + x, width - x, 1, stride, &v->s.gb); | |
191 | } | ||
192 | 246 | break; | |
193 | 33 | case IMODE_ROWSKIP: | |
194 | 33 | decode_rowskip(data, width, height, stride, &v->s.gb); | |
195 | 33 | break; | |
196 | 23 | case IMODE_COLSKIP: | |
197 | 23 | decode_colskip(data, width, height, stride, &v->s.gb); | |
198 | 23 | break; | |
199 | ✗ | default: | |
200 | ✗ | break; | |
201 | } | ||
202 | |||
203 | /* Applying diff operator */ | ||
204 |
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466 | if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) { |
205 | 122 | planep = data; | |
206 | 122 | planep[0] ^= invert; | |
207 |
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3773 | for (x = 1; x < width; x++) |
208 | 3651 | planep[x] ^= planep[x-1]; | |
209 |
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1937 | for (y = 1; y < height; y++) { |
210 | 1815 | planep += stride; | |
211 | 1815 | planep[0] ^= planep[-stride]; | |
212 |
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96919 | for (x = 1; x < width; x++) { |
213 |
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95104 | if (planep[x-1] != planep[x-stride]) planep[x] ^= invert; |
214 | 68287 | else planep[x] ^= planep[x-1]; | |
215 | } | ||
216 | } | ||
217 |
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344 | } else if (invert) { |
218 | 41 | planep = data; | |
219 |
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13395 | for (x = 0; x < stride * height; x++) |
220 | 13354 | planep[x] = !planep[x]; //FIXME stride | |
221 | } | ||
222 | 466 | return (imode << 1) + invert; | |
223 | } | ||
224 | |||
225 | /** @} */ //Bitplane group | ||
226 | |||
227 | /***********************************************************************/ | ||
228 | /** VOP Dquant decoding | ||
229 | * @param v VC-1 Context | ||
230 | */ | ||
231 | 146 | static int vop_dquant_decoding(VC1Context *v) | |
232 | { | ||
233 | 146 | GetBitContext *gb = &v->s.gb; | |
234 | int pqdiff; | ||
235 | |||
236 | //variable size | ||
237 |
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146 | if (v->dquant != 2) { |
238 | 146 | v->dquantfrm = get_bits1(gb); | |
239 |
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146 | if (!v->dquantfrm) |
240 | 65 | return 0; | |
241 | |||
242 | 81 | v->dqprofile = get_bits(gb, 2); | |
243 |
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81 | switch (v->dqprofile) { |
244 | 62 | case DQPROFILE_SINGLE_EDGE: | |
245 | case DQPROFILE_DOUBLE_EDGES: | ||
246 | 62 | v->dqsbedge = get_bits(gb, 2); | |
247 | 62 | break; | |
248 | 19 | case DQPROFILE_ALL_MBS: | |
249 | 19 | v->dqbilevel = get_bits1(gb); | |
250 |
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19 | if (!v->dqbilevel) { |
251 | 1 | v->halfpq = 0; | |
252 | 1 | return 0; | |
253 | } | ||
254 | default: | ||
255 | 18 | break; //Forbidden ? | |
256 | } | ||
257 | } | ||
258 | |||
259 | 80 | pqdiff = get_bits(gb, 3); | |
260 |
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80 | if (pqdiff == 7) |
261 | 18 | v->altpq = get_bits(gb, 5); | |
262 | else | ||
263 | 62 | v->altpq = v->pq + pqdiff + 1; | |
264 | |||
265 | 80 | return 0; | |
266 | } | ||
267 | |||
268 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb); | ||
269 | |||
270 | /** | ||
271 | * Decode Simple/Main Profiles sequence header | ||
272 | * @see Figure 7-8, p16-17 | ||
273 | * @param avctx Codec context | ||
274 | * @param gb GetBit context initialized from Codec context extra_data | ||
275 | * @return Status | ||
276 | */ | ||
277 | 31 | int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) | |
278 | { | ||
279 | 31 | av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits_long(gb, 32)); | |
280 | 31 | v->profile = get_bits(gb, 2); | |
281 |
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31 | if (v->profile == PROFILE_COMPLEX) { |
282 | ✗ | av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n"); | |
283 | } | ||
284 | |||
285 |
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31 | if (v->profile == PROFILE_ADVANCED) { |
286 | 24 | v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz; | |
287 | 24 | v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz; | |
288 | 24 | return decode_sequence_header_adv(v, gb); | |
289 | } else { | ||
290 | 7 | v->chromaformat = 1; | |
291 | 7 | v->zz_8x4 = ff_wmv2_scantableA; | |
292 | 7 | v->zz_4x8 = ff_wmv2_scantableB; | |
293 | 7 | v->res_y411 = get_bits1(gb); | |
294 | 7 | v->res_sprite = get_bits1(gb); | |
295 |
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7 | if (v->res_y411) { |
296 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
297 | "Old interlaced mode is not supported\n"); | ||
298 | ✗ | return -1; | |
299 | } | ||
300 | } | ||
301 | |||
302 | // (fps-2)/4 (->30) | ||
303 | 7 | v->frmrtq_postproc = get_bits(gb, 3); //common | |
304 | // (bitrate-32kbps)/64kbps | ||
305 | 7 | v->bitrtq_postproc = get_bits(gb, 5); //common | |
306 | 7 | v->s.loop_filter = get_bits1(gb); //common | |
307 |
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7 | if (v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) { |
308 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
309 | "LOOPFILTER shall not be enabled in Simple Profile\n"); | ||
310 | } | ||
311 |
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7 | if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) |
312 | ✗ | v->s.loop_filter = 0; | |
313 | |||
314 | 7 | v->res_x8 = get_bits1(gb); //reserved | |
315 | 7 | v->multires = get_bits1(gb); | |
316 | 7 | v->res_fasttx = get_bits1(gb); | |
317 |
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7 | if (!v->res_fasttx) { |
318 | ✗ | v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_int16_8bit; | |
319 | ✗ | v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add; | |
320 | ✗ | v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add; | |
321 | ✗ | v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add; | |
322 | ✗ | v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_int16_8bit; | |
323 | ✗ | v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add; | |
324 | ✗ | v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add; | |
325 | ✗ | v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add; | |
326 | } | ||
327 | |||
328 | 7 | v->fastuvmc = get_bits1(gb); //common | |
329 |
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7 | if (!v->profile && !v->fastuvmc) { |
330 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
331 | "FASTUVMC unavailable in Simple Profile\n"); | ||
332 | ✗ | return -1; | |
333 | } | ||
334 | 7 | v->extended_mv = get_bits1(gb); //common | |
335 |
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7 | if (!v->profile && v->extended_mv) { |
336 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
337 | "Extended MVs unavailable in Simple Profile\n"); | ||
338 | ✗ | return -1; | |
339 | } | ||
340 | 7 | v->dquant = get_bits(gb, 2); //common | |
341 | 7 | v->vstransform = get_bits1(gb); //common | |
342 | |||
343 | 7 | v->res_transtab = get_bits1(gb); | |
344 |
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7 | if (v->res_transtab) { |
345 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
346 | "1 for reserved RES_TRANSTAB is forbidden\n"); | ||
347 | ✗ | return -1; | |
348 | } | ||
349 | |||
350 | 7 | v->overlap = get_bits1(gb); //common | |
351 | |||
352 | 7 | v->resync_marker = get_bits1(gb); | |
353 | 7 | v->rangered = get_bits1(gb); | |
354 |
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7 | if (v->rangered && v->profile == PROFILE_SIMPLE) { |
355 | ✗ | av_log(avctx, AV_LOG_INFO, | |
356 | "RANGERED should be set to 0 in Simple Profile\n"); | ||
357 | } | ||
358 | |||
359 | 7 | v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common | |
360 | 7 | v->quantizer_mode = get_bits(gb, 2); //common | |
361 | |||
362 | 7 | v->finterpflag = get_bits1(gb); //common | |
363 | |||
364 |
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7 | if (v->res_sprite) { |
365 | ✗ | int w = get_bits(gb, 11); | |
366 | ✗ | int h = get_bits(gb, 11); | |
367 | ✗ | int ret = ff_set_dimensions(v->s.avctx, w, h); | |
368 | ✗ | if (ret < 0) { | |
369 | ✗ | av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); | |
370 | ✗ | return ret; | |
371 | } | ||
372 | ✗ | skip_bits(gb, 5); //frame rate | |
373 | ✗ | v->res_x8 = get_bits1(gb); | |
374 | ✗ | if (get_bits1(gb)) { // something to do with DC VLC selection | |
375 | ✗ | av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n"); | |
376 | ✗ | return -1; | |
377 | } | ||
378 | ✗ | skip_bits(gb, 3); //slice code | |
379 | ✗ | v->res_rtm_flag = 0; | |
380 | } else { | ||
381 | 7 | v->res_rtm_flag = get_bits1(gb); //reserved | |
382 | } | ||
383 | //TODO: figure out what they mean (always 0x402F) | ||
384 |
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7 | if (!v->res_fasttx) |
385 | ✗ | skip_bits(gb, 16); | |
386 | 7 | av_log(avctx, AV_LOG_DEBUG, | |
387 | "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" | ||
388 | "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n" | ||
389 | "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n" | ||
390 | "DQuant=%i, Quantizer mode=%i, Max B-frames=%i\n", | ||
391 | v->profile, v->frmrtq_postproc, v->bitrtq_postproc, | ||
392 | v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv, | ||
393 | v->rangered, v->vstransform, v->overlap, v->resync_marker, | ||
394 | v->dquant, v->quantizer_mode, avctx->max_b_frames); | ||
395 | 7 | return 0; | |
396 | } | ||
397 | |||
398 | 24 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) | |
399 | { | ||
400 | 24 | v->res_rtm_flag = 1; | |
401 | 24 | v->level = get_bits(gb, 3); | |
402 |
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24 | if (v->level >= 5) { |
403 | ✗ | av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level); | |
404 | } | ||
405 | 24 | v->chromaformat = get_bits(gb, 2); | |
406 |
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24 | if (v->chromaformat != 1) { |
407 | ✗ | av_log(v->s.avctx, AV_LOG_ERROR, | |
408 | "Only 4:2:0 chroma format supported\n"); | ||
409 | ✗ | return -1; | |
410 | } | ||
411 | |||
412 | // (fps-2)/4 (->30) | ||
413 | 24 | v->frmrtq_postproc = get_bits(gb, 3); //common | |
414 | // (bitrate-32kbps)/64kbps | ||
415 | 24 | v->bitrtq_postproc = get_bits(gb, 5); //common | |
416 | 24 | v->postprocflag = get_bits1(gb); //common | |
417 | |||
418 | 24 | v->max_coded_width = (get_bits(gb, 12) + 1) << 1; | |
419 | 24 | v->max_coded_height = (get_bits(gb, 12) + 1) << 1; | |
420 | 24 | v->broadcast = get_bits1(gb); | |
421 | 24 | v->interlace = get_bits1(gb); | |
422 | 24 | v->tfcntrflag = get_bits1(gb); | |
423 | 24 | v->finterpflag = get_bits1(gb); | |
424 | 24 | skip_bits1(gb); // reserved | |
425 | |||
426 | 24 | av_log(v->s.avctx, AV_LOG_DEBUG, | |
427 | "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" | ||
428 | "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n" | ||
429 | "TFCTRflag=%i, FINTERPflag=%i\n", | ||
430 | v->level, v->frmrtq_postproc, v->bitrtq_postproc, | ||
431 | v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace, | ||
432 | v->tfcntrflag, v->finterpflag); | ||
433 | |||
434 | 24 | v->psf = get_bits1(gb); | |
435 |
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24 | if (v->psf) { //PsF, 6.1.13 |
436 | ✗ | av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n"); | |
437 | ✗ | return -1; | |
438 | } | ||
439 | 24 | v->s.max_b_frames = v->s.avctx->max_b_frames = 7; | |
440 |
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24 | if (get_bits1(gb)) { //Display Info - decoding is not affected by it |
441 | 24 | int w, h, ar = 0; | |
442 | 24 | av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n"); | |
443 | 24 | w = get_bits(gb, 14) + 1; | |
444 | 24 | h = get_bits(gb, 14) + 1; | |
445 | 24 | av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h); | |
446 |
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24 | if (get_bits1(gb)) |
447 | 9 | ar = get_bits(gb, 4); | |
448 |
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24 | if (ar && ar < 14) { |
449 | 3 | v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar]; | |
450 |
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21 | } else if (ar == 15) { |
451 | 6 | w = get_bits(gb, 8) + 1; | |
452 | 6 | h = get_bits(gb, 8) + 1; | |
453 | 6 | v->s.avctx->sample_aspect_ratio = (AVRational){w, h}; | |
454 | } else { | ||
455 |
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15 | if (v->s.avctx->width > v->max_coded_width || |
456 |
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15 | v->s.avctx->height > v->max_coded_height) { |
457 | ✗ | avpriv_request_sample(v->s.avctx, "Huge resolution"); | |
458 | } else | ||
459 | 15 | av_reduce(&v->s.avctx->sample_aspect_ratio.num, | |
460 | 15 | &v->s.avctx->sample_aspect_ratio.den, | |
461 | 15 | v->s.avctx->height * w, | |
462 | 15 | v->s.avctx->width * h, | |
463 | 1 << 30); | ||
464 | } | ||
465 | 24 | ff_set_sar(v->s.avctx, v->s.avctx->sample_aspect_ratio); | |
466 | 24 | av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n", | |
467 | 24 | v->s.avctx->sample_aspect_ratio.num, | |
468 | 24 | v->s.avctx->sample_aspect_ratio.den); | |
469 | |||
470 |
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24 | if (get_bits1(gb)) { //framerate stuff |
471 |
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9 | if (get_bits1(gb)) { |
472 | ✗ | v->s.avctx->framerate.den = 32; | |
473 | ✗ | v->s.avctx->framerate.num = get_bits(gb, 16) + 1; | |
474 | } else { | ||
475 | int nr, dr; | ||
476 | 9 | nr = get_bits(gb, 8); | |
477 | 9 | dr = get_bits(gb, 4); | |
478 |
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9 | if (nr > 0 && nr < 8 && dr > 0 && dr < 3) { |
479 | 9 | v->s.avctx->framerate.den = ff_vc1_fps_dr[dr - 1]; | |
480 | 9 | v->s.avctx->framerate.num = ff_vc1_fps_nr[nr - 1] * 1000; | |
481 | } | ||
482 | } | ||
483 |
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9 | if (v->broadcast) { // Pulldown may be present |
484 | 9 | v->s.avctx->ticks_per_frame = 2; | |
485 | } | ||
486 | } | ||
487 | |||
488 |
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24 | if (get_bits1(gb)) { |
489 | ✗ | v->color_prim = get_bits(gb, 8); | |
490 | ✗ | v->transfer_char = get_bits(gb, 8); | |
491 | ✗ | v->matrix_coef = get_bits(gb, 8); | |
492 | } | ||
493 | } | ||
494 | |||
495 | 24 | v->hrd_param_flag = get_bits1(gb); | |
496 |
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24 | if (v->hrd_param_flag) { |
497 | int i; | ||
498 | 18 | v->hrd_num_leaky_buckets = get_bits(gb, 5); | |
499 | 18 | skip_bits(gb, 4); //bitrate exponent | |
500 | 18 | skip_bits(gb, 4); //buffer size exponent | |
501 |
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276 | for (i = 0; i < v->hrd_num_leaky_buckets; i++) { |
502 | 258 | skip_bits(gb, 16); //hrd_rate[n] | |
503 | 258 | skip_bits(gb, 16); //hrd_buffer[n] | |
504 | } | ||
505 | } | ||
506 | 24 | return 0; | |
507 | } | ||
508 | |||
509 | 52 | int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) | |
510 | { | ||
511 | int i; | ||
512 | int w,h; | ||
513 | int ret; | ||
514 | |||
515 | 52 | av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); | |
516 | 52 | v->broken_link = get_bits1(gb); | |
517 | 52 | v->closed_entry = get_bits1(gb); | |
518 | 52 | v->panscanflag = get_bits1(gb); | |
519 | 52 | v->refdist_flag = get_bits1(gb); | |
520 | 52 | v->s.loop_filter = get_bits1(gb); | |
521 |
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52 | if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) |
522 | ✗ | v->s.loop_filter = 0; | |
523 | 52 | v->fastuvmc = get_bits1(gb); | |
524 | 52 | v->extended_mv = get_bits1(gb); | |
525 | 52 | v->dquant = get_bits(gb, 2); | |
526 | 52 | v->vstransform = get_bits1(gb); | |
527 | 52 | v->overlap = get_bits1(gb); | |
528 | 52 | v->quantizer_mode = get_bits(gb, 2); | |
529 | |||
530 |
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52 | if (v->hrd_param_flag) { |
531 |
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728 | for (i = 0; i < v->hrd_num_leaky_buckets; i++) { |
532 | 684 | skip_bits(gb, 8); //hrd_full[n] | |
533 | } | ||
534 | } | ||
535 | |||
536 |
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52 | if(get_bits1(gb)){ |
537 | 40 | w = (get_bits(gb, 12)+1)<<1; | |
538 | 40 | h = (get_bits(gb, 12)+1)<<1; | |
539 | } else { | ||
540 | 12 | w = v->max_coded_width; | |
541 | 12 | h = v->max_coded_height; | |
542 | } | ||
543 |
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52 | if ((ret = ff_set_dimensions(avctx, w, h)) < 0) { |
544 | ✗ | av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); | |
545 | ✗ | return ret; | |
546 | } | ||
547 | |||
548 |
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52 | if (v->extended_mv) |
549 | 12 | v->extended_dmv = get_bits1(gb); | |
550 |
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52 | if ((v->range_mapy_flag = get_bits1(gb))) { |
551 | ✗ | av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n"); | |
552 | ✗ | v->range_mapy = get_bits(gb, 3); | |
553 | } | ||
554 |
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52 | if ((v->range_mapuv_flag = get_bits1(gb))) { |
555 | ✗ | av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n"); | |
556 | ✗ | v->range_mapuv = get_bits(gb, 3); | |
557 | } | ||
558 | |||
559 | 52 | av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n" | |
560 | "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" | ||
561 | "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" | ||
562 | "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", | ||
563 | 52 | v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, | |
564 | v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); | ||
565 | |||
566 | 52 | return 0; | |
567 | } | ||
568 | |||
569 | /* fill lookup tables for intensity compensation */ | ||
570 | #define INIT_LUT(lumscale, lumshift, luty, lutuv, chain) do { \ | ||
571 | int scale, shift, i; \ | ||
572 | if (!lumscale) { \ | ||
573 | scale = -64; \ | ||
574 | shift = (255 - lumshift * 2) * 64; \ | ||
575 | if (lumshift > 31) \ | ||
576 | shift += 128 << 6; \ | ||
577 | } else { \ | ||
578 | scale = lumscale + 32; \ | ||
579 | if (lumshift > 31) \ | ||
580 | shift = (lumshift - 64) * 64; \ | ||
581 | else \ | ||
582 | shift = lumshift << 6; \ | ||
583 | } \ | ||
584 | for (i = 0; i < 256; i++) { \ | ||
585 | int iy = chain ? luty[i] : i; \ | ||
586 | int iu = chain ? lutuv[i] : i; \ | ||
587 | luty[i] = av_clip_uint8((scale * iy + shift + 32) >> 6); \ | ||
588 | lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);\ | ||
589 | } \ | ||
590 | } while(0) | ||
591 | |||
592 | 409 | static void rotate_luts(VC1Context *v) | |
593 | { | ||
594 | #define ROTATE(DEF, L, N, C, A) do { \ | ||
595 | if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \ | ||
596 | C = A; \ | ||
597 | } else { \ | ||
598 | DEF; \ | ||
599 | memcpy(&tmp, L , sizeof(tmp)); \ | ||
600 | memcpy(L , N , sizeof(tmp)); \ | ||
601 | memcpy(N , &tmp, sizeof(tmp)); \ | ||
602 | C = N; \ | ||
603 | } \ | ||
604 | } while(0) | ||
605 | |||
606 |
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409 | ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic); |
607 |
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409 | ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty); |
608 |
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409 | ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv); |
609 | |||
610 |
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105113 | INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0); |
611 |
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105113 | INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0); |
612 | 409 | *v->curr_use_ic = 0; | |
613 | 409 | } | |
614 | |||
615 | 167 | static int read_bfraction(VC1Context *v, GetBitContext* gb) { | |
616 | 167 | int bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); | |
617 | |||
618 |
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167 | if (bfraction_lut_index == 21 || bfraction_lut_index < 0) { |
619 | ✗ | av_log(v->s.avctx, AV_LOG_ERROR, "bfraction invalid\n"); | |
620 | ✗ | return AVERROR_INVALIDDATA; | |
621 | } | ||
622 | 167 | v->bfraction_lut_index = bfraction_lut_index; | |
623 | 167 | v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; | |
624 | 167 | return 0; | |
625 | } | ||
626 | |||
627 | 257 | int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) | |
628 | { | ||
629 | int pqindex, lowquant, status; | ||
630 | |||
631 | 257 | v->field_mode = 0; | |
632 | 257 | v->fcm = PROGRESSIVE; | |
633 |
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257 | if (v->finterpflag) |
634 | ✗ | v->interpfrm = get_bits1(gb); | |
635 |
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257 | if (!v->s.avctx->codec) |
636 | ✗ | return -1; | |
637 |
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257 | if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2) |
638 | 79 | v->respic = | |
639 | 79 | v->rangered = | |
640 | 79 | v->multires = get_bits(gb, 2) == 1; | |
641 | else | ||
642 | 178 | skip_bits(gb, 2); //framecnt unused | |
643 | 257 | v->rangeredfrm = 0; | |
644 |
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257 | if (v->rangered) |
645 | 53 | v->rangeredfrm = get_bits1(gb); | |
646 |
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257 | if (get_bits1(gb)) { |
647 | 163 | v->s.pict_type = AV_PICTURE_TYPE_P; | |
648 | } else { | ||
649 |
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94 | if (v->s.avctx->max_b_frames && !get_bits1(gb)) { |
650 | 11 | v->s.pict_type = AV_PICTURE_TYPE_B; | |
651 | } else | ||
652 | 83 | v->s.pict_type = AV_PICTURE_TYPE_I; | |
653 | } | ||
654 | |||
655 | 257 | v->bi_type = 0; | |
656 |
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257 | if (v->s.pict_type == AV_PICTURE_TYPE_B) { |
657 |
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11 | if (read_bfraction(v, gb) < 0) |
658 | ✗ | return AVERROR_INVALIDDATA; | |
659 |
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11 | if (v->bfraction == 0) { |
660 | ✗ | v->s.pict_type = AV_PICTURE_TYPE_BI; | |
661 | } | ||
662 | } | ||
663 |
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257 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
664 | 83 | skip_bits(gb, 7); // skip buffer fullness | |
665 | |||
666 |
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257 | if (v->parse_only) |
667 | ✗ | return 0; | |
668 | |||
669 | /* calculate RND */ | ||
670 |
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257 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
671 | 83 | v->rnd = 1; | |
672 |
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257 | if (v->s.pict_type == AV_PICTURE_TYPE_P) |
673 | 163 | v->rnd ^= 1; | |
674 | |||
675 |
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257 | if (get_bits_left(gb) < 5) |
676 | ✗ | return AVERROR_INVALIDDATA; | |
677 | /* Quantizer stuff */ | ||
678 | 257 | pqindex = get_bits(gb, 5); | |
679 |
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257 | if (!pqindex) |
680 | ✗ | return -1; | |
681 |
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257 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) |
682 | 257 | v->pq = ff_vc1_pquant_table[0][pqindex]; | |
683 | else | ||
684 | ✗ | v->pq = ff_vc1_pquant_table[1][pqindex]; | |
685 | 257 | v->pqindex = pqindex; | |
686 |
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257 | if (pqindex < 9) |
687 | 165 | v->halfpq = get_bits1(gb); | |
688 | else | ||
689 | 92 | v->halfpq = 0; | |
690 |
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257 | switch (v->quantizer_mode) { |
691 | 257 | case QUANT_FRAME_IMPLICIT: | |
692 | 257 | v->pquantizer = pqindex < 9; | |
693 | 257 | break; | |
694 | ✗ | case QUANT_NON_UNIFORM: | |
695 | ✗ | v->pquantizer = 0; | |
696 | ✗ | break; | |
697 | ✗ | case QUANT_FRAME_EXPLICIT: | |
698 | ✗ | v->pquantizer = get_bits1(gb); | |
699 | ✗ | break; | |
700 | ✗ | default: | |
701 | ✗ | v->pquantizer = 1; | |
702 | ✗ | break; | |
703 | } | ||
704 | 257 | v->dquantfrm = 0; | |
705 |
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257 | if (v->extended_mv == 1) |
706 | ✗ | v->mvrange = get_unary(gb, 0, 3); | |
707 | 257 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 | |
708 | 257 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 | |
709 | 257 | v->range_x = 1 << (v->k_x - 1); | |
710 | 257 | v->range_y = 1 << (v->k_y - 1); | |
711 |
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257 | if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B) |
712 | 78 | v->respic = get_bits(gb, 2); | |
713 | |||
714 |
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257 | if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) { |
715 | ✗ | v->x8_type = get_bits1(gb); | |
716 | } else | ||
717 | 257 | v->x8_type = 0; | |
718 | ff_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n", | ||
719 | (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'), | ||
720 | pqindex, v->pq, v->halfpq, v->rangeredfrm); | ||
721 | |||
722 |
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257 | if (v->first_pic_header_flag) |
723 | 178 | rotate_luts(v); | |
724 | |||
725 |
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257 | switch (v->s.pict_type) { |
726 | 163 | case AV_PICTURE_TYPE_P: | |
727 | 163 | v->tt_index = (v->pq > 4) + (v->pq > 12); | |
728 | |||
729 | 163 | lowquant = (v->pq > 12) ? 0 : 1; | |
730 | 163 | v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)]; | |
731 |
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163 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
732 | 21 | v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)]; | |
733 | 21 | v->lumscale = get_bits(gb, 6); | |
734 | 21 | v->lumshift = get_bits(gb, 6); | |
735 | 21 | v->last_use_ic = 1; | |
736 | /* fill lookup tables for intensity compensation */ | ||
737 |
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|
5397 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); |
738 |
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|
5397 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); |
739 | } | ||
740 | 163 | v->qs_last = v->s.quarter_sample; | |
741 |
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163 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
742 |
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39 | v->s.quarter_sample = (v->mv_mode2 != MV_PMODE_1MV_HPEL && |
743 |
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18 | v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
744 | 21 | v->s.mspel = (v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); | |
745 | } else { | ||
746 |
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279 | v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL && |
747 |
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137 | v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
748 | 142 | v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); | |
749 | } | ||
750 | |||
751 |
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163 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
752 |
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21 | v->mv_mode2 == MV_PMODE_MIXED_MV) || |
753 |
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163 | v->mv_mode == MV_PMODE_MIXED_MV) { |
754 | 12 | status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); | |
755 |
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12 | if (status < 0) |
756 | ✗ | return -1; | |
757 | 12 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " | |
758 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
759 | } else { | ||
760 | 151 | v->mv_type_is_raw = 0; | |
761 | 151 | memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); | |
762 | } | ||
763 | 163 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
764 |
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163 | if (status < 0) |
765 | ✗ | return -1; | |
766 | 163 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
767 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
768 | |||
769 |
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|
163 | if (get_bits_left(gb) < 4) |
770 | ✗ | return AVERROR_INVALIDDATA; | |
771 | |||
772 | /* Hopefully this is correct for P-frames */ | ||
773 | 163 | v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables | |
774 | 163 | v->cbptab = get_bits(gb, 2); | |
775 | 163 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab]; | |
776 | |||
777 |
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163 | if (v->dquant) { |
778 | 127 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
779 | 127 | vop_dquant_decoding(v); | |
780 | } | ||
781 | |||
782 |
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163 | if (v->vstransform) { |
783 | 139 | v->ttmbf = get_bits1(gb); | |
784 |
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|
139 | if (v->ttmbf) { |
785 | 5 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
786 | } else | ||
787 | 134 | v->ttfrm = 0; //FIXME Is that so ? | |
788 | } else { | ||
789 | 24 | v->ttmbf = 1; | |
790 | 24 | v->ttfrm = TT_8X8; | |
791 | } | ||
792 | 163 | break; | |
793 | 11 | case AV_PICTURE_TYPE_B: | |
794 | 11 | v->tt_index = (v->pq > 4) + (v->pq > 12); | |
795 | |||
796 | 11 | v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; | |
797 | 11 | v->qs_last = v->s.quarter_sample; | |
798 | 11 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); | |
799 | 11 | v->s.mspel = v->s.quarter_sample; | |
800 | |||
801 | 11 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); | |
802 |
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11 | if (status < 0) |
803 | ✗ | return -1; | |
804 | 11 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " | |
805 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
806 | 11 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
807 |
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11 | if (status < 0) |
808 | ✗ | return -1; | |
809 | 11 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
810 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
811 | |||
812 | 11 | v->s.mv_table_index = get_bits(gb, 2); | |
813 | 11 | v->cbptab = get_bits(gb, 2); | |
814 | 11 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab]; | |
815 | |||
816 |
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11 | if (v->dquant) { |
817 | ✗ | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
818 | ✗ | vop_dquant_decoding(v); | |
819 | } | ||
820 | |||
821 |
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11 | if (v->vstransform) { |
822 | 11 | v->ttmbf = get_bits1(gb); | |
823 |
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11 | if (v->ttmbf) { |
824 | ✗ | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
825 | } else | ||
826 | 11 | v->ttfrm = 0; | |
827 | } else { | ||
828 | ✗ | v->ttmbf = 1; | |
829 | ✗ | v->ttfrm = TT_8X8; | |
830 | } | ||
831 | 11 | break; | |
832 | } | ||
833 | |||
834 |
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257 | if (!v->x8_type) { |
835 | /* AC Syntax */ | ||
836 | 257 | v->c_ac_table_index = decode012(gb); | |
837 |
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257 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { |
838 | 83 | v->y_ac_table_index = decode012(gb); | |
839 | } | ||
840 | /* DC Syntax */ | ||
841 | 257 | v->s.dc_table_index = get_bits1(gb); | |
842 | } | ||
843 | |||
844 |
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257 | if (v->s.pict_type == AV_PICTURE_TYPE_BI) { |
845 | ✗ | v->s.pict_type = AV_PICTURE_TYPE_B; | |
846 | ✗ | v->bi_type = 1; | |
847 | } | ||
848 | 257 | return 0; | |
849 | } | ||
850 | |||
851 | 910 | int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) | |
852 | { | ||
853 | int pqindex, lowquant; | ||
854 | int status; | ||
855 | int field_mode, fcm; | ||
856 | |||
857 | 910 | v->numref = 0; | |
858 | 910 | v->p_frame_skipped = 0; | |
859 |
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910 | if (v->second_field) { |
860 |
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36 | if (v->fcm != ILACE_FIELD || v->field_mode!=1) |
861 | ✗ | return -1; | |
862 |
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36 | if (v->fptype & 4) |
863 |
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18 | v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; |
864 | else | ||
865 |
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18 | v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; |
866 | 36 | v->s.current_picture_ptr->f->pict_type = v->s.pict_type; | |
867 |
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36 | if (!v->pic_header_flag) |
868 | 36 | goto parse_common_info; | |
869 | } | ||
870 | |||
871 | 874 | field_mode = 0; | |
872 |
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874 | if (v->interlace) { |
873 | 87 | fcm = decode012(gb); | |
874 |
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|
87 | if (fcm) { |
875 |
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87 | if (fcm == ILACE_FIELD) |
876 | 72 | field_mode = 1; | |
877 | } | ||
878 | } else { | ||
879 | 787 | fcm = PROGRESSIVE; | |
880 | } | ||
881 |
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874 | if (!v->first_pic_header_flag && v->field_mode != field_mode) |
882 | ✗ | return AVERROR_INVALIDDATA; | |
883 | 874 | v->field_mode = field_mode; | |
884 | 874 | v->fcm = fcm; | |
885 | |||
886 |
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874 | av_assert0( v->s.mb_height == v->s.height + 15 >> 4 |
887 | || v->s.mb_height == FFALIGN(v->s.height + 15 >> 4, 2)); | ||
888 |
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|
874 | if (v->field_mode) { |
889 | 72 | v->s.mb_height = FFALIGN(v->s.height + 15 >> 4, 2); | |
890 | 72 | v->fptype = get_bits(gb, 3); | |
891 |
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72 | if (v->fptype & 4) // B-picture |
892 |
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|
36 | v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; |
893 | else | ||
894 |
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36 | v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; |
895 | } else { | ||
896 | 802 | v->s.mb_height = v->s.height + 15 >> 4; | |
897 |
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|
802 | switch (get_unary(gb, 0, 4)) { |
898 | 524 | case 0: | |
899 | 524 | v->s.pict_type = AV_PICTURE_TYPE_P; | |
900 | 524 | break; | |
901 | 125 | case 1: | |
902 | 125 | v->s.pict_type = AV_PICTURE_TYPE_B; | |
903 | 125 | break; | |
904 | 17 | case 2: | |
905 | 17 | v->s.pict_type = AV_PICTURE_TYPE_I; | |
906 | 17 | break; | |
907 | ✗ | case 3: | |
908 | ✗ | v->s.pict_type = AV_PICTURE_TYPE_BI; | |
909 | ✗ | break; | |
910 | 136 | case 4: | |
911 | 136 | v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic | |
912 | 136 | v->p_frame_skipped = 1; | |
913 | 136 | break; | |
914 | } | ||
915 | } | ||
916 |
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874 | if (v->tfcntrflag) |
917 | ✗ | skip_bits(gb, 8); | |
918 |
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874 | if (v->broadcast) { |
919 |
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|
874 | if (!v->interlace || v->psf) { |
920 | 787 | v->rptfrm = get_bits(gb, 2); | |
921 | } else { | ||
922 | 87 | v->tff = get_bits1(gb); | |
923 | 87 | v->rff = get_bits1(gb); | |
924 | } | ||
925 | } else { | ||
926 | ✗ | v->tff = 1; | |
927 | } | ||
928 |
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874 | if (v->panscanflag) { |
929 | ✗ | avpriv_report_missing_feature(v->s.avctx, "Pan-scan"); | |
930 | //... | ||
931 | } | ||
932 |
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874 | if (v->p_frame_skipped) { |
933 | 136 | return 0; | |
934 | } | ||
935 | 738 | v->rnd = get_bits1(gb); | |
936 |
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738 | if (v->interlace) |
937 | 87 | v->uvsamp = get_bits1(gb); | |
938 |
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738 | if(!ff_vc1_bfraction_vlc.table) |
939 | ✗ | return 0; //parsing only, vlc tables havnt been allocated | |
940 |
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|
738 | if (v->field_mode) { |
941 |
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72 | if (!v->refdist_flag) |
942 | ✗ | v->refdist = 0; | |
943 |
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|
72 | else if ((v->s.pict_type != AV_PICTURE_TYPE_B) && (v->s.pict_type != AV_PICTURE_TYPE_BI)) { |
944 | 36 | v->refdist = get_bits(gb, 2); | |
945 |
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|
36 | if (v->refdist == 3) |
946 | ✗ | v->refdist += get_unary(gb, 0, 14); | |
947 |
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|
36 | if (v->refdist > 16) |
948 | ✗ | return AVERROR_INVALIDDATA; | |
949 | } | ||
950 |
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72 | if ((v->s.pict_type == AV_PICTURE_TYPE_B) || (v->s.pict_type == AV_PICTURE_TYPE_BI)) { |
951 |
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|
36 | if (read_bfraction(v, gb) < 0) |
952 | ✗ | return AVERROR_INVALIDDATA; | |
953 | 36 | v->frfd = (v->bfraction * v->refdist) >> 8; | |
954 | 36 | v->brfd = v->refdist - v->frfd - 1; | |
955 |
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|
36 | if (v->brfd < 0) |
956 | ✗ | v->brfd = 0; | |
957 | } | ||
958 | 72 | goto parse_common_info; | |
959 | } | ||
960 |
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666 | if (v->fcm == PROGRESSIVE) { |
961 |
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651 | if (v->finterpflag) |
962 | ✗ | v->interpfrm = get_bits1(gb); | |
963 |
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|
651 | if (v->s.pict_type == AV_PICTURE_TYPE_B) { |
964 |
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|
116 | if (read_bfraction(v, gb) < 0) |
965 | ✗ | return AVERROR_INVALIDDATA; | |
966 |
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|
116 | if (v->bfraction == 0) { |
967 | ✗ | v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ | |
968 | } | ||
969 | } | ||
970 | } | ||
971 | |||
972 | 666 | parse_common_info: | |
973 |
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774 | if (v->field_mode) |
974 | 108 | v->cur_field_type = !(v->tff ^ v->second_field); | |
975 | 774 | pqindex = get_bits(gb, 5); | |
976 |
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774 | if (!pqindex) |
977 | ✗ | return -1; | |
978 |
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|
774 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) |
979 | 497 | v->pq = ff_vc1_pquant_table[0][pqindex]; | |
980 | else | ||
981 | 277 | v->pq = ff_vc1_pquant_table[1][pqindex]; | |
982 | 774 | v->pqindex = pqindex; | |
983 |
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774 | if (pqindex < 9) |
984 | 739 | v->halfpq = get_bits1(gb); | |
985 | else | ||
986 | 35 | v->halfpq = 0; | |
987 |
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774 | switch (v->quantizer_mode) { |
988 | 497 | case QUANT_FRAME_IMPLICIT: | |
989 | 497 | v->pquantizer = pqindex < 9; | |
990 | 497 | break; | |
991 | ✗ | case QUANT_NON_UNIFORM: | |
992 | ✗ | v->pquantizer = 0; | |
993 | ✗ | break; | |
994 | ✗ | case QUANT_FRAME_EXPLICIT: | |
995 | ✗ | v->pquantizer = get_bits1(gb); | |
996 | ✗ | break; | |
997 | 277 | default: | |
998 | 277 | v->pquantizer = 1; | |
999 | 277 | break; | |
1000 | } | ||
1001 | 774 | v->dquantfrm = 0; | |
1002 |
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774 | if (v->postprocflag) |
1003 | ✗ | v->postproc = get_bits(gb, 2); | |
1004 | |||
1005 |
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774 | if (v->parse_only) |
1006 | 236 | return 0; | |
1007 | |||
1008 |
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538 | if (v->first_pic_header_flag) |
1009 | 231 | rotate_luts(v); | |
1010 | |||
1011 |
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|
538 | switch (v->s.pict_type) { |
1012 | 10 | case AV_PICTURE_TYPE_I: | |
1013 | case AV_PICTURE_TYPE_BI: | ||
1014 |
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10 | if (v->fcm == ILACE_FRAME) { //interlace frame picture |
1015 | 1 | status = bitplane_decoding(v->fieldtx_plane, &v->fieldtx_is_raw, v); | |
1016 |
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1 | if (status < 0) |
1017 | ✗ | return -1; | |
1018 | 1 | av_log(v->s.avctx, AV_LOG_DEBUG, "FIELDTX plane encoding: " | |
1019 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1020 | } else | ||
1021 | 9 | v->fieldtx_is_raw = 0; | |
1022 | 10 | status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v); | |
1023 |
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10 | if (status < 0) |
1024 | ✗ | return -1; | |
1025 | 10 | av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: " | |
1026 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1027 | 10 | v->condover = CONDOVER_NONE; | |
1028 |
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10 | if (v->overlap && v->pq <= 8) { |
1029 | 7 | v->condover = decode012(gb); | |
1030 |
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7 | if (v->condover == CONDOVER_SELECT) { |
1031 | 2 | status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v); | |
1032 |
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2 | if (status < 0) |
1033 | ✗ | return -1; | |
1034 | 2 | av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: " | |
1035 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1036 | } | ||
1037 | } | ||
1038 | 10 | break; | |
1039 | 430 | case AV_PICTURE_TYPE_P: | |
1040 |
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430 | if (v->field_mode) { |
1041 | 35 | v->numref = get_bits1(gb); | |
1042 |
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35 | if (!v->numref) { |
1043 | ✗ | v->reffield = get_bits1(gb); | |
1044 | ✗ | v->ref_field_type[0] = v->reffield ^ !v->cur_field_type; | |
1045 | } | ||
1046 | } | ||
1047 |
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430 | if (v->extended_mv) |
1048 | 66 | v->mvrange = get_unary(gb, 0, 3); | |
1049 | else | ||
1050 | 364 | v->mvrange = 0; | |
1051 |
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430 | if (v->interlace) { |
1052 |
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37 | if (v->extended_dmv) |
1053 | ✗ | v->dmvrange = get_unary(gb, 0, 3); | |
1054 | else | ||
1055 | 37 | v->dmvrange = 0; | |
1056 |
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37 | if (v->fcm == ILACE_FRAME) { // interlaced frame picture |
1057 | 2 | v->fourmvswitch = get_bits1(gb); | |
1058 | 2 | v->intcomp = get_bits1(gb); | |
1059 |
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2 | if (v->intcomp) { |
1060 | ✗ | v->lumscale = get_bits(gb, 6); | |
1061 | ✗ | v->lumshift = get_bits(gb, 6); | |
1062 | ✗ | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); | |
1063 | ✗ | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); | |
1064 | ✗ | v->last_use_ic = 1; | |
1065 | } | ||
1066 | 2 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
1067 |
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2 | if (status < 0) |
1068 | ✗ | return -1; | |
1069 | 2 | av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: " | |
1070 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1071 | 2 | v->mbmodetab = get_bits(gb, 2); | |
1072 |
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2 | if (v->fourmvswitch) |
1073 | 2 | v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[v->mbmodetab]; | |
1074 | else | ||
1075 | ✗ | v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[v->mbmodetab]; | |
1076 | 2 | v->imvtab = get_bits(gb, 2); | |
1077 | 2 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[v->imvtab]; | |
1078 | // interlaced p-picture cbpcy range is [1, 63] | ||
1079 | 2 | v->icbptab = get_bits(gb, 3); | |
1080 | 2 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab]; | |
1081 | 2 | v->twomvbptab = get_bits(gb, 2); | |
1082 | 2 | v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[v->twomvbptab]; | |
1083 |
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2 | if (v->fourmvswitch) { |
1084 | 2 | v->fourmvbptab = get_bits(gb, 2); | |
1085 | 2 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab]; | |
1086 | } | ||
1087 | } | ||
1088 | } | ||
1089 | 430 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 | |
1090 | 430 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 | |
1091 | 430 | v->range_x = 1 << (v->k_x - 1); | |
1092 | 430 | v->range_y = 1 << (v->k_y - 1); | |
1093 | |||
1094 | 430 | v->tt_index = (v->pq > 4) + (v->pq > 12); | |
1095 |
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430 | if (v->fcm != ILACE_FRAME) { |
1096 | int mvmode; | ||
1097 | 428 | mvmode = get_unary(gb, 1, 4); | |
1098 | 428 | lowquant = (v->pq > 12) ? 0 : 1; | |
1099 | 428 | v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode]; | |
1100 |
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428 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
1101 | int mvmode2; | ||
1102 | ✗ | mvmode2 = get_unary(gb, 1, 3); | |
1103 | ✗ | v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2]; | |
1104 | ✗ | if (v->field_mode) { | |
1105 | ✗ | v->intcompfield = decode210(gb) ^ 3; | |
1106 | } else | ||
1107 | ✗ | v->intcompfield = 3; | |
1108 | |||
1109 | ✗ | v->lumscale2 = v->lumscale = 32; | |
1110 | ✗ | v->lumshift2 = v->lumshift = 0; | |
1111 | ✗ | if (v->intcompfield & 1) { | |
1112 | ✗ | v->lumscale = get_bits(gb, 6); | |
1113 | ✗ | v->lumshift = get_bits(gb, 6); | |
1114 | } | ||
1115 | ✗ | if ((v->intcompfield & 2) && v->field_mode) { | |
1116 | ✗ | v->lumscale2 = get_bits(gb, 6); | |
1117 | ✗ | v->lumshift2 = get_bits(gb, 6); | |
1118 | ✗ | } else if(!v->field_mode) { | |
1119 | ✗ | v->lumscale2 = v->lumscale; | |
1120 | ✗ | v->lumshift2 = v->lumshift; | |
1121 | } | ||
1122 | ✗ | if (v->field_mode && v->second_field) { | |
1123 | ✗ | if (v->cur_field_type) { | |
1124 | ✗ | INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); | |
1125 | ✗ | INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); | |
1126 | } else { | ||
1127 | ✗ | INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); | |
1128 | ✗ | INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); | |
1129 | } | ||
1130 | ✗ | v->next_use_ic = *v->curr_use_ic = 1; | |
1131 | } else { | ||
1132 | ✗ | INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1); | |
1133 | ✗ | INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1); | |
1134 | } | ||
1135 | ✗ | v->last_use_ic = 1; | |
1136 | } | ||
1137 | 428 | v->qs_last = v->s.quarter_sample; | |
1138 |
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428 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
1139 | ✗ | v->s.quarter_sample = (v->mv_mode2 != MV_PMODE_1MV_HPEL && | |
1140 | ✗ | v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); | |
1141 | ✗ | v->s.mspel = (v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); | |
1142 | } else { | ||
1143 |
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856 | v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL && |
1144 |
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428 | v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
1145 | 428 | v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); | |
1146 | } | ||
1147 | } | ||
1148 |
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430 | if (v->fcm == PROGRESSIVE) { // progressive |
1149 |
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393 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
1150 | ✗ | v->mv_mode2 == MV_PMODE_MIXED_MV) | |
1151 |
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393 | || v->mv_mode == MV_PMODE_MIXED_MV) { |
1152 | 333 | status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); | |
1153 |
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333 | if (status < 0) |
1154 | ✗ | return -1; | |
1155 | 333 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " | |
1156 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1157 | } else { | ||
1158 | 60 | v->mv_type_is_raw = 0; | |
1159 | 60 | memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); | |
1160 | } | ||
1161 | 393 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
1162 |
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393 | if (status < 0) |
1163 | ✗ | return -1; | |
1164 | 393 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
1165 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1166 | |||
1167 | /* Hopefully this is correct for P-frames */ | ||
1168 | 393 | v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables | |
1169 | 393 | v->cbptab = get_bits(gb, 2); | |
1170 | 393 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab]; | |
1171 |
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37 | } else if (v->fcm == ILACE_FRAME) { // frame interlaced |
1172 | 2 | v->qs_last = v->s.quarter_sample; | |
1173 | 2 | v->s.quarter_sample = 1; | |
1174 | 2 | v->s.mspel = 1; | |
1175 | } else { // field interlaced | ||
1176 | 35 | v->mbmodetab = get_bits(gb, 3); | |
1177 | 35 | v->imvtab = get_bits(gb, 2 + v->numref); | |
1178 |
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35 | if (!v->numref) |
1179 | ✗ | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[v->imvtab]; | |
1180 | else | ||
1181 | 35 | v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[v->imvtab]; | |
1182 | 35 | v->icbptab = get_bits(gb, 3); | |
1183 | 35 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab]; | |
1184 |
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35 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
1185 |
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35 | v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) { |
1186 | 31 | v->fourmvbptab = get_bits(gb, 2); | |
1187 | 31 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab]; | |
1188 | 31 | v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[v->mbmodetab]; | |
1189 | } else { | ||
1190 | 4 | v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[v->mbmodetab]; | |
1191 | } | ||
1192 | } | ||
1193 |
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430 | if (v->dquant) { |
1194 | 6 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
1195 | 6 | vop_dquant_decoding(v); | |
1196 | } | ||
1197 | |||
1198 |
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430 | if (v->vstransform) { |
1199 | 416 | v->ttmbf = get_bits1(gb); | |
1200 |
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416 | if (v->ttmbf) { |
1201 | ✗ | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
1202 | } else | ||
1203 | 416 | v->ttfrm = 0; //FIXME Is that so ? | |
1204 | } else { | ||
1205 | 14 | v->ttmbf = 1; | |
1206 | 14 | v->ttfrm = TT_8X8; | |
1207 | } | ||
1208 | 430 | break; | |
1209 | 98 | case AV_PICTURE_TYPE_B: | |
1210 |
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98 | if (v->fcm == ILACE_FRAME) { |
1211 |
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4 | if (read_bfraction(v, gb) < 0) |
1212 | ✗ | return AVERROR_INVALIDDATA; | |
1213 |
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4 | if (v->bfraction == 0) { |
1214 | ✗ | return -1; | |
1215 | } | ||
1216 | } | ||
1217 |
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98 | if (v->extended_mv) |
1218 | 70 | v->mvrange = get_unary(gb, 0, 3); | |
1219 | else | ||
1220 | 28 | v->mvrange = 0; | |
1221 | 98 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 | |
1222 | 98 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 | |
1223 | 98 | v->range_x = 1 << (v->k_x - 1); | |
1224 | 98 | v->range_y = 1 << (v->k_y - 1); | |
1225 | |||
1226 | 98 | v->tt_index = (v->pq > 4) + (v->pq > 12); | |
1227 | |||
1228 |
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98 | if (v->field_mode) { |
1229 | int mvmode; | ||
1230 | 36 | av_log(v->s.avctx, AV_LOG_DEBUG, "B Fields\n"); | |
1231 |
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36 | if (v->extended_dmv) |
1232 | ✗ | v->dmvrange = get_unary(gb, 0, 3); | |
1233 | 36 | mvmode = get_unary(gb, 1, 3); | |
1234 | 36 | lowquant = (v->pq > 12) ? 0 : 1; | |
1235 | 36 | v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode]; | |
1236 | 36 | v->qs_last = v->s.quarter_sample; | |
1237 |
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36 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV); |
1238 | 36 | v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); | |
1239 | 36 | status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v); | |
1240 |
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36 | if (status < 0) |
1241 | ✗ | return -1; | |
1242 | 36 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: " | |
1243 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1244 | 36 | v->mbmodetab = get_bits(gb, 3); | |
1245 |
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36 | if (v->mv_mode == MV_PMODE_MIXED_MV) |
1246 | 28 | v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[v->mbmodetab]; | |
1247 | else | ||
1248 | 8 | v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[v->mbmodetab]; | |
1249 | 36 | v->imvtab = get_bits(gb, 3); | |
1250 | 36 | v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[v->imvtab]; | |
1251 | 36 | v->icbptab = get_bits(gb, 3); | |
1252 | 36 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab]; | |
1253 |
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36 | if (v->mv_mode == MV_PMODE_MIXED_MV) { |
1254 | 28 | v->fourmvbptab = get_bits(gb, 2); | |
1255 | 28 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab]; | |
1256 | } | ||
1257 | 36 | v->numref = 1; // interlaced field B pictures are always 2-ref | |
1258 |
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62 | } else if (v->fcm == ILACE_FRAME) { |
1259 |
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4 | if (v->extended_dmv) |
1260 | ✗ | v->dmvrange = get_unary(gb, 0, 3); | |
1261 |
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4 | if (get_bits1(gb)) /* intcomp - present but shall always be 0 */ |
1262 | ✗ | av_log(v->s.avctx, AV_LOG_WARNING, "Intensity compensation set for B picture\n"); | |
1263 | 4 | v->intcomp = 0; | |
1264 | 4 | v->mv_mode = MV_PMODE_1MV; | |
1265 | 4 | v->fourmvswitch = 0; | |
1266 | 4 | v->qs_last = v->s.quarter_sample; | |
1267 | 4 | v->s.quarter_sample = 1; | |
1268 | 4 | v->s.mspel = 1; | |
1269 | 4 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); | |
1270 |
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4 | if (status < 0) |
1271 | ✗ | return -1; | |
1272 | 4 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " | |
1273 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1274 | 4 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
1275 |
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4 | if (status < 0) |
1276 | ✗ | return -1; | |
1277 | 4 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
1278 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1279 | 4 | v->mbmodetab = get_bits(gb, 2); | |
1280 | 4 | v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[v->mbmodetab]; | |
1281 | 4 | v->imvtab = get_bits(gb, 2); | |
1282 | 4 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[v->imvtab]; | |
1283 | // interlaced p/b-picture cbpcy range is [1, 63] | ||
1284 | 4 | v->icbptab = get_bits(gb, 3); | |
1285 | 4 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab]; | |
1286 | 4 | v->twomvbptab = get_bits(gb, 2); | |
1287 | 4 | v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[v->twomvbptab]; | |
1288 | 4 | v->fourmvbptab = get_bits(gb, 2); | |
1289 | 4 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab]; | |
1290 | } else { | ||
1291 | 58 | v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; | |
1292 | 58 | v->qs_last = v->s.quarter_sample; | |
1293 | 58 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); | |
1294 | 58 | v->s.mspel = v->s.quarter_sample; | |
1295 | 58 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); | |
1296 |
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58 | if (status < 0) |
1297 | ✗ | return -1; | |
1298 | 58 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " | |
1299 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1300 | 58 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
1301 |
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58 | if (status < 0) |
1302 | ✗ | return -1; | |
1303 | 58 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
1304 | "Imode: %i, Invert: %i\n", status>>1, status&1); | ||
1305 | 58 | v->s.mv_table_index = get_bits(gb, 2); | |
1306 | 58 | v->cbptab = get_bits(gb, 2); | |
1307 | 58 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab]; | |
1308 | } | ||
1309 | |||
1310 |
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98 | if (v->dquant) { |
1311 | 12 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
1312 | 12 | vop_dquant_decoding(v); | |
1313 | } | ||
1314 | |||
1315 |
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98 | if (v->vstransform) { |
1316 | 98 | v->ttmbf = get_bits1(gb); | |
1317 |
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98 | if (v->ttmbf) { |
1318 | ✗ | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
1319 | } else | ||
1320 | 98 | v->ttfrm = 0; | |
1321 | } else { | ||
1322 | ✗ | v->ttmbf = 1; | |
1323 | ✗ | v->ttfrm = TT_8X8; | |
1324 | } | ||
1325 | 98 | break; | |
1326 | } | ||
1327 | |||
1328 | |||
1329 | /* AC Syntax */ | ||
1330 | 538 | v->c_ac_table_index = decode012(gb); | |
1331 |
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538 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { |
1332 | 10 | v->y_ac_table_index = decode012(gb); | |
1333 | } | ||
1334 |
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528 | else if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) { |
1335 | 12 | v->range_x <<= 1; | |
1336 | 12 | v->range_y <<= 1; | |
1337 | } | ||
1338 | |||
1339 | /* DC Syntax */ | ||
1340 | 538 | v->s.dc_table_index = get_bits1(gb); | |
1341 |
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538 | if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
1342 |
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10 | && v->dquant) { |
1343 | 1 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
1344 | 1 | vop_dquant_decoding(v); | |
1345 | } | ||
1346 | |||
1347 | 538 | v->bi_type = (v->s.pict_type == AV_PICTURE_TYPE_BI); | |
1348 |
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538 | if (v->bi_type) |
1349 | ✗ | v->s.pict_type = AV_PICTURE_TYPE_B; | |
1350 | |||
1351 | 538 | return 0; | |
1352 | } | ||
1353 | |||
1354 | static const uint32_t vc1_ac_tables[AC_MODES][186][2] = { | ||
1355 | { | ||
1356 | { 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7}, | ||
1357 | { 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10}, | ||
1358 | { 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14}, | ||
1359 | { 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9}, | ||
1360 | { 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13}, | ||
1361 | { 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7}, | ||
1362 | { 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13}, | ||
1363 | { 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7}, | ||
1364 | { 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13}, | ||
1365 | { 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11}, | ||
1366 | { 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11}, | ||
1367 | { 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14}, | ||
1368 | { 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10}, | ||
1369 | { 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14}, | ||
1370 | { 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13}, | ||
1371 | { 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11}, | ||
1372 | { 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14}, | ||
1373 | { 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12}, | ||
1374 | { 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13}, | ||
1375 | { 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4}, | ||
1376 | { 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5}, | ||
1377 | { 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10}, | ||
1378 | { 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14}, | ||
1379 | { 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8}, | ||
1380 | { 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8}, | ||
1381 | { 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8}, | ||
1382 | { 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9}, | ||
1383 | { 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11}, | ||
1384 | { 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12}, | ||
1385 | { 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13}, | ||
1386 | { 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9} | ||
1387 | }, | ||
1388 | { | ||
1389 | { 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7}, | ||
1390 | { 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11}, | ||
1391 | { 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13}, | ||
1392 | { 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4}, | ||
1393 | { 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11}, | ||
1394 | { 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7}, | ||
1395 | { 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15}, | ||
1396 | { 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14}, | ||
1397 | { 0x139C, 15}, { 0x0029, 6}, { 0x004F, 9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14}, | ||
1398 | { 0x0038, 6}, { 0x010E, 9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058, 7}, | ||
1399 | { 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023, 8}, { 0x02E3, 10}, { 0x04E5, 13}, | ||
1400 | { 0x2E40, 14}, { 0x00A1, 8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083, 8}, { 0x013A, 11}, | ||
1401 | { 0x1721, 13}, { 0x0044, 9}, { 0x0276, 12}, { 0x39F6, 14}, { 0x008B, 10}, { 0x04EF, 13}, | ||
1402 | { 0x5A9B, 15}, { 0x0208, 10}, { 0x1CFE, 13}, { 0x0399, 10}, { 0x1CB4, 13}, { 0x039E, 10}, | ||
1403 | { 0x39F3, 14}, { 0x05AB, 11}, { 0x73E3, 15}, { 0x0737, 11}, { 0x5A9F, 15}, { 0x082D, 12}, | ||
1404 | { 0x0E69, 12}, { 0x0E68, 12}, { 0x0433, 11}, { 0x0B7B, 12}, { 0x2DF8, 14}, { 0x2E56, 14}, | ||
1405 | { 0x2E57, 14}, { 0x39F7, 14}, { 0x51A5, 15}, { 0x0003, 3}, { 0x002A, 6}, { 0x00E4, 8}, | ||
1406 | { 0x028E, 10}, { 0x0735, 11}, { 0x1058, 13}, { 0x1CFA, 13}, { 0x2DF9, 14}, { 0x4174, 15}, | ||
1407 | { 0x0009, 4}, { 0x0054, 8}, { 0x0398, 10}, { 0x048B, 13}, { 0x139D, 15}, { 0x000D, 4}, | ||
1408 | { 0x00AD, 9}, { 0x0826, 12}, { 0x2D4C, 14}, { 0x0011, 5}, { 0x016B, 9}, { 0x0B7F, 12}, | ||
1409 | { 0x51A4, 15}, { 0x0019, 5}, { 0x021B, 10}, { 0x16FD, 13}, { 0x001D, 5}, { 0x0394, 10}, | ||
1410 | { 0x28D3, 14}, { 0x002B, 6}, { 0x05BC, 11}, { 0x5A9A, 15}, { 0x002F, 6}, { 0x0247, 12}, | ||
1411 | { 0x0010, 7}, { 0x0A35, 12}, { 0x003E, 6}, { 0x0B7A, 12}, { 0x0059, 7}, { 0x105E, 13}, | ||
1412 | { 0x0026, 8}, { 0x09CF, 14}, { 0x0055, 8}, { 0x1CB5, 13}, { 0x0057, 8}, { 0x0E5B, 12}, | ||
1413 | { 0x00A0, 8}, { 0x1468, 13}, { 0x0170, 9}, { 0x0090, 10}, { 0x01CE, 9}, { 0x021A, 10}, | ||
1414 | { 0x0218, 10}, { 0x0168, 9}, { 0x021E, 10}, { 0x0244, 12}, { 0x0736, 11}, { 0x0138, 11}, | ||
1415 | { 0x0519, 11}, { 0x0E5E, 12}, { 0x072C, 11}, { 0x0B55, 12}, { 0x09DC, 14}, { 0x20BB, 14}, | ||
1416 | { 0x048C, 13}, { 0x1723, 13}, { 0x2E44, 14}, { 0x16A5, 13}, { 0x0518, 11}, { 0x39FE, 14}, | ||
1417 | { 0x0169, 9} | ||
1418 | }, | ||
1419 | { | ||
1420 | { 0x0001, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x0016, 5}, { 0x0020, 6}, { 0x0018, 7}, | ||
1421 | { 0x0008, 8}, { 0x009A, 8}, { 0x0056, 9}, { 0x013E, 9}, { 0x00F0, 10}, { 0x03A5, 10}, | ||
1422 | { 0x0077, 11}, { 0x01EF, 11}, { 0x009A, 12}, { 0x005D, 13}, { 0x0001, 4}, { 0x0011, 5}, | ||
1423 | { 0x0002, 7}, { 0x000B, 8}, { 0x0012, 9}, { 0x01D6, 9}, { 0x027E, 10}, { 0x0191, 11}, | ||
1424 | { 0x00EA, 12}, { 0x03DC, 12}, { 0x013B, 13}, { 0x0004, 5}, { 0x0014, 7}, { 0x009E, 8}, | ||
1425 | { 0x0009, 10}, { 0x01AC, 11}, { 0x01E2, 11}, { 0x03CA, 12}, { 0x005F, 13}, { 0x0017, 5}, | ||
1426 | { 0x004E, 7}, { 0x005E, 9}, { 0x00F3, 10}, { 0x01AD, 11}, { 0x00EC, 12}, { 0x05F0, 13}, | ||
1427 | { 0x000E, 6}, { 0x00E1, 8}, { 0x03A4, 10}, { 0x009C, 12}, { 0x013D, 13}, { 0x003B, 6}, | ||
1428 | { 0x001C, 9}, { 0x0014, 11}, { 0x09BE, 12}, { 0x0006, 7}, { 0x007A, 9}, { 0x0190, 11}, | ||
1429 | { 0x0137, 13}, { 0x001B, 7}, { 0x0008, 10}, { 0x075C, 11}, { 0x0071, 7}, { 0x00D7, 10}, | ||
1430 | { 0x09BF, 12}, { 0x0007, 8}, { 0x00AF, 10}, { 0x04CC, 11}, { 0x0034, 8}, { 0x0265, 10}, | ||
1431 | { 0x009F, 12}, { 0x00E0, 8}, { 0x0016, 11}, { 0x0327, 12}, { 0x0015, 9}, { 0x017D, 11}, | ||
1432 | { 0x0EBB, 12}, { 0x0014, 9}, { 0x00F6, 10}, { 0x01E4, 11}, { 0x00CB, 10}, { 0x099D, 12}, | ||
1433 | { 0x00CA, 10}, { 0x02FC, 12}, { 0x017F, 11}, { 0x04CD, 11}, { 0x02FD, 12}, { 0x04FE, 11}, | ||
1434 | { 0x013A, 13}, { 0x000A, 4}, { 0x0042, 7}, { 0x01D3, 9}, { 0x04DD, 11}, { 0x0012, 5}, | ||
1435 | { 0x00E8, 8}, { 0x004C, 11}, { 0x0136, 13}, { 0x0039, 6}, { 0x0264, 10}, { 0x0EBA, 12}, | ||
1436 | { 0x0000, 7}, { 0x00AE, 10}, { 0x099C, 12}, { 0x001F, 7}, { 0x04DE, 11}, { 0x0043, 7}, | ||
1437 | { 0x04DC, 11}, { 0x0003, 8}, { 0x03CB, 12}, { 0x0006, 8}, { 0x099E, 12}, { 0x002A, 8}, | ||
1438 | { 0x05F1, 13}, { 0x000F, 8}, { 0x09FE, 12}, { 0x0033, 8}, { 0x09FF, 12}, { 0x0098, 8}, | ||
1439 | { 0x099F, 12}, { 0x00EA, 8}, { 0x013C, 13}, { 0x002E, 8}, { 0x0192, 11}, { 0x0136, 9}, | ||
1440 | { 0x006A, 9}, { 0x0015, 11}, { 0x03AF, 10}, { 0x01E3, 11}, { 0x0074, 11}, { 0x00EB, 12}, | ||
1441 | { 0x02F9, 12}, { 0x005C, 13}, { 0x00ED, 12}, { 0x03DD, 12}, { 0x0326, 12}, { 0x005E, 13}, | ||
1442 | { 0x0016, 7} | ||
1443 | }, | ||
1444 | { | ||
1445 | { 0x0004, 3}, { 0x0014, 5}, { 0x0017, 7}, { 0x007F, 8}, { 0x0154, 9}, { 0x01F2, 10}, | ||
1446 | { 0x00BF, 11}, { 0x0065, 12}, { 0x0AAA, 12}, { 0x0630, 13}, { 0x1597, 13}, { 0x03B7, 14}, | ||
1447 | { 0x2B22, 14}, { 0x0BE6, 15}, { 0x000B, 4}, { 0x0037, 7}, { 0x0062, 9}, { 0x0007, 11}, | ||
1448 | { 0x0166, 12}, { 0x00CE, 13}, { 0x1590, 13}, { 0x05F6, 14}, { 0x0BE7, 15}, { 0x0007, 5}, | ||
1449 | { 0x006D, 8}, { 0x0003, 11}, { 0x031F, 12}, { 0x05F2, 14}, { 0x0002, 6}, { 0x0061, 9}, | ||
1450 | { 0x0055, 12}, { 0x01DF, 14}, { 0x001A, 6}, { 0x001E, 10}, { 0x0AC9, 12}, { 0x2B23, 14}, | ||
1451 | { 0x001E, 6}, { 0x001F, 10}, { 0x0AC3, 12}, { 0x2B2B, 14}, { 0x0006, 7}, { 0x0004, 11}, | ||
1452 | { 0x02F8, 13}, { 0x0019, 7}, { 0x0006, 11}, { 0x063D, 13}, { 0x0057, 7}, { 0x0182, 11}, | ||
1453 | { 0x2AA2, 14}, { 0x0004, 8}, { 0x0180, 11}, { 0x059C, 14}, { 0x007D, 8}, { 0x0164, 12}, | ||
1454 | { 0x076D, 15}, { 0x0002, 9}, { 0x018D, 11}, { 0x1581, 13}, { 0x00AD, 8}, { 0x0060, 12}, | ||
1455 | { 0x0C67, 14}, { 0x001C, 9}, { 0x00EE, 13}, { 0x0003, 9}, { 0x02CF, 13}, { 0x00D9, 9}, | ||
1456 | { 0x1580, 13}, { 0x0002, 11}, { 0x0183, 11}, { 0x0057, 12}, { 0x0061, 12}, { 0x0031, 11}, | ||
1457 | { 0x0066, 12}, { 0x0631, 13}, { 0x0632, 13}, { 0x00AC, 13}, { 0x031D, 12}, { 0x0076, 12}, | ||
1458 | { 0x003A, 11}, { 0x0165, 12}, { 0x0C66, 14}, { 0x0003, 2}, { 0x0054, 7}, { 0x02AB, 10}, | ||
1459 | { 0x0016, 13}, { 0x05F7, 14}, { 0x0005, 4}, { 0x00F8, 9}, { 0x0AA9, 12}, { 0x005F, 15}, | ||
1460 | { 0x0004, 4}, { 0x001C, 10}, { 0x1550, 13}, { 0x0004, 5}, { 0x0077, 11}, { 0x076C, 15}, | ||
1461 | { 0x000E, 5}, { 0x000A, 12}, { 0x000C, 5}, { 0x0562, 11}, { 0x0004, 6}, { 0x031C, 12}, | ||
1462 | { 0x0006, 6}, { 0x00C8, 13}, { 0x000D, 6}, { 0x01DA, 13}, { 0x0007, 6}, { 0x00C9, 13}, | ||
1463 | { 0x0001, 7}, { 0x002E, 14}, { 0x0014, 7}, { 0x1596, 13}, { 0x000A, 7}, { 0x0AC2, 12}, | ||
1464 | { 0x0016, 7}, { 0x015B, 14}, { 0x0015, 7}, { 0x015A, 14}, { 0x000F, 8}, { 0x005E, 15}, | ||
1465 | { 0x007E, 8}, { 0x00AB, 8}, { 0x002D, 9}, { 0x00D8, 9}, { 0x000B, 9}, { 0x0014, 10}, | ||
1466 | { 0x02B3, 10}, { 0x01F3, 10}, { 0x003A, 10}, { 0x0000, 10}, { 0x0058, 10}, { 0x002E, 9}, | ||
1467 | { 0x005E, 10}, { 0x0563, 11}, { 0x00EC, 12}, { 0x0054, 12}, { 0x0AC1, 12}, { 0x1556, 13}, | ||
1468 | { 0x02FA, 13}, { 0x0181, 11}, { 0x1557, 13}, { 0x059D, 14}, { 0x2AA3, 14}, { 0x2B2A, 14}, | ||
1469 | { 0x01DE, 14}, { 0x063C, 13}, { 0x00CF, 13}, { 0x1594, 13}, { 0x000D, 9} | ||
1470 | }, | ||
1471 | { | ||
1472 | { 0x0002, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x000D, 5}, { 0x000C, 5}, { 0x0015, 6}, | ||
1473 | { 0x0013, 6}, { 0x0012, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x001E, 8}, { 0x001D, 8}, | ||
1474 | { 0x0025, 9}, { 0x0024, 9}, { 0x0023, 9}, { 0x0021, 9}, { 0x0021, 10}, { 0x0020, 10}, | ||
1475 | { 0x000F, 10}, { 0x000E, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, { 0x0021, 11}, | ||
1476 | { 0x0050, 12}, { 0x0051, 12}, { 0x0052, 12}, { 0x000E, 4}, { 0x0014, 6}, { 0x0016, 7}, | ||
1477 | { 0x001C, 8}, { 0x0020, 9}, { 0x001F, 9}, { 0x000D, 10}, { 0x0022, 11}, { 0x0053, 12}, | ||
1478 | { 0x0055, 12}, { 0x000B, 5}, { 0x0015, 7}, { 0x001E, 9}, { 0x000C, 10}, { 0x0056, 12}, | ||
1479 | { 0x0011, 6}, { 0x001B, 8}, { 0x001D, 9}, { 0x000B, 10}, { 0x0010, 6}, { 0x0022, 9}, | ||
1480 | { 0x000A, 10}, { 0x000D, 6}, { 0x001C, 9}, { 0x0008, 10}, { 0x0012, 7}, { 0x001B, 9}, | ||
1481 | { 0x0054, 12}, { 0x0014, 7}, { 0x001A, 9}, { 0x0057, 12}, { 0x0019, 8}, { 0x0009, 10}, | ||
1482 | { 0x0018, 8}, { 0x0023, 11}, { 0x0017, 8}, { 0x0019, 9}, { 0x0018, 9}, { 0x0007, 10}, | ||
1483 | { 0x0058, 12}, { 0x0007, 4}, { 0x000C, 6}, { 0x0016, 8}, { 0x0017, 9}, { 0x0006, 10}, | ||
1484 | { 0x0005, 11}, { 0x0004, 11}, { 0x0059, 12}, { 0x000F, 6}, { 0x0016, 9}, { 0x0005, 10}, | ||
1485 | { 0x000E, 6}, { 0x0004, 10}, { 0x0011, 7}, { 0x0024, 11}, { 0x0010, 7}, { 0x0025, 11}, | ||
1486 | { 0x0013, 7}, { 0x005A, 12}, { 0x0015, 8}, { 0x005B, 12}, { 0x0014, 8}, { 0x0013, 8}, | ||
1487 | { 0x001A, 8}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, { 0x0012, 9}, { 0x0011, 9}, | ||
1488 | { 0x0026, 11}, { 0x0027, 11}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, | ||
1489 | { 0x0003, 7} | ||
1490 | }, | ||
1491 | { | ||
1492 | { 0x0002, 2}, { 0x000F, 4}, { 0x0015, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x0025, 9}, | ||
1493 | { 0x0024, 9}, { 0x0021, 10}, { 0x0020, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, | ||
1494 | { 0x0006, 3}, { 0x0014, 6}, { 0x001E, 8}, { 0x000F, 10}, { 0x0021, 11}, { 0x0050, 12}, | ||
1495 | { 0x000E, 4}, { 0x001D, 8}, { 0x000E, 10}, { 0x0051, 12}, { 0x000D, 5}, { 0x0023, 9}, | ||
1496 | { 0x000D, 10}, { 0x000C, 5}, { 0x0022, 9}, { 0x0052, 12}, { 0x000B, 5}, { 0x000C, 10}, | ||
1497 | { 0x0053, 12}, { 0x0013, 6}, { 0x000B, 10}, { 0x0054, 12}, { 0x0012, 6}, { 0x000A, 10}, | ||
1498 | { 0x0011, 6}, { 0x0009, 10}, { 0x0010, 6}, { 0x0008, 10}, { 0x0016, 7}, { 0x0055, 12}, | ||
1499 | { 0x0015, 7}, { 0x0014, 7}, { 0x001C, 8}, { 0x001B, 8}, { 0x0021, 9}, { 0x0020, 9}, | ||
1500 | { 0x001F, 9}, { 0x001E, 9}, { 0x001D, 9}, { 0x001C, 9}, { 0x001B, 9}, { 0x001A, 9}, | ||
1501 | { 0x0022, 11}, { 0x0023, 11}, { 0x0056, 12}, { 0x0057, 12}, { 0x0007, 4}, { 0x0019, 9}, | ||
1502 | { 0x0005, 11}, { 0x000F, 6}, { 0x0004, 11}, { 0x000E, 6}, { 0x000D, 6}, { 0x000C, 6}, | ||
1503 | { 0x0013, 7}, { 0x0012, 7}, { 0x0011, 7}, { 0x0010, 7}, { 0x001A, 8}, { 0x0019, 8}, | ||
1504 | { 0x0018, 8}, { 0x0017, 8}, { 0x0016, 8}, { 0x0015, 8}, { 0x0014, 8}, { 0x0013, 8}, | ||
1505 | { 0x0018, 9}, { 0x0017, 9}, { 0x0016, 9}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, | ||
1506 | { 0x0012, 9}, { 0x0011, 9}, { 0x0007, 10}, { 0x0006, 10}, { 0x0005, 10}, { 0x0004, 10}, | ||
1507 | { 0x0024, 11}, { 0x0025, 11}, { 0x0026, 11}, { 0x0027, 11}, { 0x0058, 12}, { 0x0059, 12}, | ||
1508 | { 0x005A, 12}, { 0x005B, 12}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, | ||
1509 | { 0x0003, 7} | ||
1510 | }, | ||
1511 | { | ||
1512 | { 0x0000, 2}, { 0x0003, 3}, { 0x000D, 4}, { 0x0005, 4}, { 0x001C, 5}, { 0x0016, 5}, | ||
1513 | { 0x003F, 6}, { 0x003A, 6}, { 0x002E, 6}, { 0x0022, 6}, { 0x007B, 7}, { 0x0067, 7}, | ||
1514 | { 0x005F, 7}, { 0x0047, 7}, { 0x0026, 7}, { 0x00EF, 8}, { 0x00CD, 8}, { 0x00C1, 8}, | ||
1515 | { 0x00A9, 8}, { 0x004F, 8}, { 0x01F2, 9}, { 0x01DD, 9}, { 0x0199, 9}, { 0x0185, 9}, | ||
1516 | { 0x015D, 9}, { 0x011B, 9}, { 0x03EF, 10}, { 0x03E1, 10}, { 0x03C8, 10}, { 0x0331, 10}, | ||
1517 | { 0x0303, 10}, { 0x02F1, 10}, { 0x02A0, 10}, { 0x0233, 10}, { 0x0126, 10}, { 0x07C0, 11}, | ||
1518 | { 0x076F, 11}, { 0x076C, 11}, { 0x0661, 11}, { 0x0604, 11}, { 0x0572, 11}, { 0x0551, 11}, | ||
1519 | { 0x046A, 11}, { 0x0274, 11}, { 0x0F27, 12}, { 0x0F24, 12}, { 0x0EDB, 12}, { 0x0C8E, 12}, | ||
1520 | { 0x0C0B, 12}, { 0x0C0A, 12}, { 0x0AE3, 12}, { 0x08D6, 12}, { 0x0490, 12}, { 0x0495, 12}, | ||
1521 | { 0x1F19, 13}, { 0x1DB5, 13}, { 0x0009, 4}, { 0x0010, 5}, { 0x0029, 6}, { 0x0062, 7}, | ||
1522 | { 0x00F3, 8}, { 0x00AD, 8}, { 0x01E5, 9}, { 0x0179, 9}, { 0x009C, 9}, { 0x03B1, 10}, | ||
1523 | { 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12}, | ||
1524 | { 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008, 5}, { 0x0063, 7}, | ||
1525 | { 0x00AF, 8}, { 0x017B, 9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12}, | ||
1526 | { 0x0BC1, 12}, { 0x0491, 12}, { 0x0028, 6}, { 0x00C3, 8}, { 0x0151, 9}, { 0x02A1, 10}, | ||
1527 | { 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10}, | ||
1528 | { 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11}, | ||
1529 | { 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13}, | ||
1530 | { 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13}, | ||
1531 | { 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11}, | ||
1532 | { 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13}, | ||
1533 | { 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11}, | ||
1534 | { 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12}, | ||
1535 | { 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13}, | ||
1536 | { 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14}, | ||
1537 | { 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16}, | ||
1538 | { 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13}, | ||
1539 | { 0x007A, 7} | ||
1540 | }, | ||
1541 | { | ||
1542 | { 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7}, | ||
1543 | { 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9}, | ||
1544 | { 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11}, | ||
1545 | { 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12}, | ||
1546 | { 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13}, | ||
1547 | { 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8}, | ||
1548 | { 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12}, | ||
1549 | { 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8}, | ||
1550 | { 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5}, | ||
1551 | { 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5}, | ||
1552 | { 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10}, | ||
1553 | { 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14}, | ||
1554 | { 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15}, | ||
1555 | { 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9}, | ||
1556 | { 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10}, | ||
1557 | { 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11}, | ||
1558 | { 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12}, | ||
1559 | { 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13}, | ||
1560 | { 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6}, | ||
1561 | { 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7}, | ||
1562 | { 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13}, | ||
1563 | { 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15}, | ||
1564 | { 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15}, | ||
1565 | { 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17}, | ||
1566 | { 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20}, | ||
1567 | { 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20}, | ||
1568 | { 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21}, | ||
1569 | { 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22}, | ||
1570 | { 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13}, | ||
1571 | { 0x0073, 7} | ||
1572 | } | ||
1573 | }; | ||
1574 | |||
1575 | static const uint16_t vlc_offs[] = { | ||
1576 | 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436, | ||
1577 | 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342, | ||
1578 | 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522, | ||
1579 | 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980, | ||
1580 | 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866, | ||
1581 | 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186, | ||
1582 | 31714, 31746, 31778, 32306, 32340, 32372 | ||
1583 | }; | ||
1584 | |||
1585 | 17 | static av_cold void vc1_init_static(void) | |
1586 | { | ||
1587 | static VLCElem vlc_table[32372]; | ||
1588 | |||
1589 | 17 | INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, | |
1590 | ff_vc1_bfraction_bits, 1, 1, | ||
1591 | ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS); | ||
1592 | 17 | INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, | |
1593 | ff_vc1_norm2_bits, 1, 1, | ||
1594 | ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS); | ||
1595 | 17 | INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, | |
1596 | ff_vc1_norm6_bits, 1, 1, | ||
1597 | ff_vc1_norm6_codes, 2, 2, 556); | ||
1598 | 17 | INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, | |
1599 | ff_vc1_imode_bits, 1, 1, | ||
1600 | ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS); | ||
1601 |
2/2✓ Branch 0 taken 51 times.
✓ Branch 1 taken 17 times.
|
68 | for (int i = 0; i < 3; i++) { |
1602 | 51 | ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]]; | |
1603 | 51 | ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0]; | |
1604 | 51 | init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16, | |
1605 | ff_vc1_ttmb_bits[i], 1, 1, | ||
1606 | ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | ||
1607 | 51 | ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]]; | |
1608 | 51 | ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1]; | |
1609 | 51 | init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8, | |
1610 | ff_vc1_ttblk_bits[i], 1, 1, | ||
1611 | ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1612 | 51 | ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]]; | |
1613 | 51 | ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2]; | |
1614 | 51 | init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15, | |
1615 | ff_vc1_subblkpat_bits[i], 1, 1, | ||
1616 | ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1617 | } | ||
1618 |
2/2✓ Branch 0 taken 68 times.
✓ Branch 1 taken 17 times.
|
85 | for (int i = 0; i < 4; i++) { |
1619 | 68 | ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]]; | |
1620 | 68 | ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9]; | |
1621 | 68 | init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16, | |
1622 | ff_vc1_4mv_block_pattern_bits[i], 1, 1, | ||
1623 | ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1624 | 68 | ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]]; | |
1625 | 68 | ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10]; | |
1626 | 68 | init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64, | |
1627 | ff_vc1_cbpcy_p_bits[i], 1, 1, | ||
1628 | ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | ||
1629 | 68 | ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]]; | |
1630 | 68 | ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11]; | |
1631 | 68 | init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73, | |
1632 | ff_vc1_mv_diff_bits[i], 1, 1, | ||
1633 | ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | ||
1634 | } | ||
1635 |
2/2✓ Branch 0 taken 136 times.
✓ Branch 1 taken 17 times.
|
153 | for (int i = 0; i < 8; i++) { |
1636 | 136 | ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]]; | |
1637 | 136 | ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21]; | |
1638 | 136 | init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i], | |
1639 | &vc1_ac_tables[i][0][1], 8, 4, | ||
1640 | &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); | ||
1641 | /* initialize interlaced MVDATA tables (2-Ref) */ | ||
1642 | 136 | ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]]; | |
1643 | 136 | ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22]; | |
1644 | 136 | init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126, | |
1645 | ff_vc1_2ref_mvdata_bits[i], 1, 1, | ||
1646 | ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); | ||
1647 | } | ||
1648 |
2/2✓ Branch 0 taken 68 times.
✓ Branch 1 taken 17 times.
|
85 | for (int i = 0; i < 4; i++) { |
1649 | /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */ | ||
1650 | 68 | ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]]; | |
1651 | 68 | ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37]; | |
1652 | 68 | init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15, | |
1653 | ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1, | ||
1654 | ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | ||
1655 | /* initialize NON-4MV MBMODE VLC tables for the same */ | ||
1656 | 68 | ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]]; | |
1657 | 68 | ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38]; | |
1658 | 68 | init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9, | |
1659 | ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1, | ||
1660 | ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1661 | /* initialize interlaced MVDATA tables (1-Ref) */ | ||
1662 | 68 | ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]]; | |
1663 | 68 | ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39]; | |
1664 | 68 | init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72, | |
1665 | ff_vc1_1ref_mvdata_bits[i], 1, 1, | ||
1666 | ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); | ||
1667 | } | ||
1668 |
2/2✓ Branch 0 taken 68 times.
✓ Branch 1 taken 17 times.
|
85 | for (int i = 0; i < 4; i++) { |
1669 | /* Initialize 2MV Block pattern VLC tables */ | ||
1670 | 68 | ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]]; | |
1671 | 68 | ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49]; | |
1672 | 68 | init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4, | |
1673 | ff_vc1_2mv_block_pattern_bits[i], 1, 1, | ||
1674 | ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1675 | } | ||
1676 |
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153 | for (int i = 0; i < 8; i++) { |
1677 | /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */ | ||
1678 | 136 | ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]]; | |
1679 | 136 | ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53]; | |
1680 | 136 | init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63, | |
1681 | ff_vc1_icbpcy_p_bits[i], 1, 1, | ||
1682 | ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | ||
1683 | /* Initialize interlaced field picture MBMODE VLC tables */ | ||
1684 | 136 | ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]]; | |
1685 | 136 | ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54]; | |
1686 | 136 | init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8, | |
1687 | ff_vc1_if_mmv_mbmode_bits[i], 1, 1, | ||
1688 | ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1689 | 136 | ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]]; | |
1690 | 136 | ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55]; | |
1691 | 136 | init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6, | |
1692 | ff_vc1_if_1mv_mbmode_bits[i], 1, 1, | ||
1693 | ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | ||
1694 | } | ||
1695 | 17 | } | |
1696 | |||
1697 | /** | ||
1698 | * Init VC-1 specific tables and VC1Context members | ||
1699 | * @param v The VC1Context to initialize | ||
1700 | * @return Status | ||
1701 | */ | ||
1702 | 40 | av_cold void ff_vc1_init_common(VC1Context *v) | |
1703 | { | ||
1704 | static AVOnce init_static_once = AV_ONCE_INIT; | ||
1705 | |||
1706 | /* defaults */ | ||
1707 | 40 | v->pq = -1; | |
1708 | 40 | v->mvrange = 0; /* 7.1.1.18, p80 */ | |
1709 | |||
1710 | 40 | ff_vc1dsp_init(&v->vc1dsp); | |
1711 | |||
1712 | /* VLC tables */ | ||
1713 | 40 | ff_thread_once(&init_static_once, vc1_init_static); | |
1714 | 40 | } | |
1715 |