FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vc1.c
Date: 2022-01-23 21:51:25
Exec Total Coverage
Lines: 764 943 81.0%
Branches: 409 652 62.7%
Line Branch Exec Source
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
2/4
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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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✓ Branch 1 taken 787 times.
 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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✓ Branch 1 taken 36 times.
 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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✓ Branch 1 taken 874 times.
 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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✗ Branch 1 not taken.
 856 v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL &&
1144
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✓ Branch 1 taken 4 times.
 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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✓ Branch 1 taken 37 times.
 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 17 int i = 0;
1588 static VLC_TYPE vlc_table[32372][2];
1589
1590 17 INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23,
1591 ff_vc1_bfraction_bits, 1, 1,
1592 ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS);
1593 17 INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4,
1594 ff_vc1_norm2_bits, 1, 1,
1595 ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS);
1596 17 INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64,
1597 ff_vc1_norm6_bits, 1, 1,
1598 ff_vc1_norm6_codes, 2, 2, 556);
1599 17 INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7,
1600 ff_vc1_imode_bits, 1, 1,
1601 ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS);
1602
2/2
✓ Branch 0 taken 51 times.
✓ Branch 1 taken 17 times.
 68 for (i = 0; i < 3; i++) {
1603 51 ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]];
1604 51 ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0];
1605 51 init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16,
1606 ff_vc1_ttmb_bits[i], 1, 1,
1607 ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1608 51 ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]];
1609 51 ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1];
1610 51 init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8,
1611 ff_vc1_ttblk_bits[i], 1, 1,
1612 ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1613 51 ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]];
1614 51 ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2];
1615 51 init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15,
1616 ff_vc1_subblkpat_bits[i], 1, 1,
1617 ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1618 }
1619
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 85 for (i = 0; i < 4; i++) {
1620 68 ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]];
1621 68 ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9];
1622 68 init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16,
1623 ff_vc1_4mv_block_pattern_bits[i], 1, 1,
1624 ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1625 68 ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]];
1626 68 ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10];
1627 68 init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64,
1628 ff_vc1_cbpcy_p_bits[i], 1, 1,
1629 ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1630 68 ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]];
1631 68 ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11];
1632 68 init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73,
1633 ff_vc1_mv_diff_bits[i], 1, 1,
1634 ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1635 }
1636
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 153 for (i = 0; i < 8; i++) {
1637 136 ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]];
1638 136 ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21];
1639 136 init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i],
1640 &vc1_ac_tables[i][0][1], 8, 4,
1641 &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC);
1642 /* initialize interlaced MVDATA tables (2-Ref) */
1643 136 ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]];
1644 136 ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22];
1645 136 init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126,
1646 ff_vc1_2ref_mvdata_bits[i], 1, 1,
1647 ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);
1648 }
1649
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 85 for (i = 0; i < 4; i++) {
1650 /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */
1651 68 ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]];
1652 68 ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37];
1653 68 init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15,
1654 ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1,
1655 ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1656 /* initialize NON-4MV MBMODE VLC tables for the same */
1657 68 ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]];
1658 68 ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38];
1659 68 init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9,
1660 ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1,
1661 ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1662 /* initialize interlaced MVDATA tables (1-Ref) */
1663 68 ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]];
1664 68 ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39];
1665 68 init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72,
1666 ff_vc1_1ref_mvdata_bits[i], 1, 1,
1667 ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);
1668 }
1669
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 85 for (i = 0; i < 4; i++) {
1670 /* Initialize 2MV Block pattern VLC tables */
1671 68 ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]];
1672 68 ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49];
1673 68 init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4,
1674 ff_vc1_2mv_block_pattern_bits[i], 1, 1,
1675 ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1676 }
1677
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 153 for (i = 0; i < 8; i++) {
1678 /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */
1679 136 ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]];
1680 136 ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53];
1681 136 init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63,
1682 ff_vc1_icbpcy_p_bits[i], 1, 1,
1683 ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1684 /* Initialize interlaced field picture MBMODE VLC tables */
1685 136 ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]];
1686 136 ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54];
1687 136 init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8,
1688 ff_vc1_if_mmv_mbmode_bits[i], 1, 1,
1689 ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1690 136 ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]];
1691 136 ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55];
1692 136 init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6,
1693 ff_vc1_if_1mv_mbmode_bits[i], 1, 1,
1694 ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1695 }
1696 17 }
1697
1698 /**
1699 * Init VC-1 specific tables and VC1Context members
1700 * @param v The VC1Context to initialize
1701 * @return Status
1702 */
1703 40 av_cold void ff_vc1_init_common(VC1Context *v)
1704 {
1705 static AVOnce init_static_once = AV_ONCE_INIT;
1706
1707 /* defaults */
1708 40 v->pq = -1;
1709 40 v->mvrange = 0; /* 7.1.1.18, p80 */
1710
1711 40 ff_vc1dsp_init(&v->vc1dsp);
1712
1713 /* VLC tables */
1714 40 ff_thread_once(&init_static_once, vc1_init_static);
1715 40 }
1716