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1 use std::mem;
2 use std::ptr;
3 use nihav_core::codecs::*;
4 use nihav_core::codecs::blockdsp::*;
5 use nihav_core::io::bitreader::*;
6 use nihav_core::io::codebook::*;
7 use nihav_core::io::intcode::*;
8 use super::vpcommon::*;
9
10 #[derive(Clone,Copy,Debug,PartialEq)]
11 enum SBState {
12 Coded,
13 Partial,
14 Uncoded,
15 }
16
17 fn map_idx(idx: usize) -> u8 {
18 idx as u8
19 }
20
21 struct VP30Codes {
22 dc_cb: [Codebook<u8>; 5],
23 ac_i_cb: [Codebook<u8>; 5],
24 ac_p_cb: [Codebook<u8>; 5],
25 mbtype_cb: Codebook<VPMBType>,
26 }
27
28 fn map_mbt(idx: usize) -> VPMBType {
29 VP30_MBTYPE_SYMS[idx]
30 }
31
32 impl VP30Codes {
33 fn new() -> Self {
34 let mut dc_cb: [Codebook<u8>; 5];
35 let mut ac_i_cb: [Codebook<u8>; 5];
36 let mut ac_p_cb: [Codebook<u8>; 5];
37 let mut cr = TableCodebookDescReader::new(&VP30_MBTYPE_CODES, &VP30_MBTYPE_BITS, map_mbt);
38 let mbtype_cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
39 unsafe {
40 dc_cb = mem::uninitialized();
41 ac_i_cb = mem::uninitialized();
42 ac_p_cb = mem::uninitialized();
43 for i in 0..5 {
44 let mut cr = TableCodebookDescReader::new(&VP30_DC_CODES[i], &VP30_DC_BITS[i], map_idx);
45 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
46 ptr::write(&mut dc_cb[i], cb);
47 let mut cr = TableCodebookDescReader::new(&VP30_AC_INTRA_CODES[i], &VP30_AC_INTRA_BITS[i], map_idx);
48 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
49 ptr::write(&mut ac_i_cb[i], cb);
50 let mut cr = TableCodebookDescReader::new(&VP30_AC_INTER_CODES[i], &VP30_AC_INTER_BITS[i], map_idx);
51 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
52 ptr::write(&mut ac_p_cb[i], cb);
53 }
54 }
55 Self { dc_cb, ac_i_cb, ac_p_cb, mbtype_cb }
56 }
57 }
58
59 struct VP31Codes {
60 dc_cb: [Codebook<u8>; 16],
61 ac0_cb: [Codebook<u8>; 16],
62 ac1_cb: [Codebook<u8>; 16],
63 ac2_cb: [Codebook<u8>; 16],
64 ac3_cb: [Codebook<u8>; 16],
65 }
66
67 impl VP31Codes {
68 fn new() -> Self {
69 let mut dc_cb: [Codebook<u8>; 16];
70 let mut ac0_cb: [Codebook<u8>; 16];
71 let mut ac1_cb: [Codebook<u8>; 16];
72 let mut ac2_cb: [Codebook<u8>; 16];
73 let mut ac3_cb: [Codebook<u8>; 16];
74 unsafe {
75 dc_cb = mem::uninitialized();
76 ac0_cb = mem::uninitialized();
77 ac1_cb = mem::uninitialized();
78 ac2_cb = mem::uninitialized();
79 ac3_cb = mem::uninitialized();
80 for i in 0..16 {
81 let mut cr = TableCodebookDescReader::new(&VP31_DC_CODES[i], &VP31_DC_BITS[i], map_idx);
82 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
83 ptr::write(&mut dc_cb[i], cb);
84
85 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT0_CODES[i], &VP31_AC_CAT0_BITS[i], map_idx);
86 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
87 ptr::write(&mut ac0_cb[i], cb);
88 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT1_CODES[i], &VP31_AC_CAT1_BITS[i], map_idx);
89 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
90 ptr::write(&mut ac1_cb[i], cb);
91 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT2_CODES[i], &VP31_AC_CAT2_BITS[i], map_idx);
92 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
93 ptr::write(&mut ac2_cb[i], cb);
94 let mut cr = TableCodebookDescReader::new(&VP31_AC_CAT3_CODES[i], &VP31_AC_CAT3_BITS[i], map_idx);
95 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
96 ptr::write(&mut ac3_cb[i], cb);
97 }
98 }
99 Self { dc_cb, ac0_cb, ac1_cb, ac2_cb, ac3_cb }
100 }
101 fn new_vp4() -> VP31Codes {
102 let mut dc_cb: [Codebook<u8>; 16];
103 let mut ac0_cb: [Codebook<u8>; 16];
104 let mut ac1_cb: [Codebook<u8>; 16];
105 let mut ac2_cb: [Codebook<u8>; 16];
106 let mut ac3_cb: [Codebook<u8>; 16];
107 unsafe {
108 dc_cb = mem::uninitialized();
109 ac0_cb = mem::uninitialized();
110 ac1_cb = mem::uninitialized();
111 ac2_cb = mem::uninitialized();
112 ac3_cb = mem::uninitialized();
113 for i in 0..16 {
114 let mut cr = TableCodebookDescReader::new(&VP40_DC_CODES[i], &VP40_DC_BITS[i], map_idx);
115 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
116 ptr::write(&mut dc_cb[i], cb);
117
118 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT0_CODES[i], &VP40_AC_CAT0_BITS[i], map_idx);
119 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
120 ptr::write(&mut ac0_cb[i], cb);
121 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT1_CODES[i], &VP40_AC_CAT1_BITS[i], map_idx);
122 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
123 ptr::write(&mut ac1_cb[i], cb);
124 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT2_CODES[i], &VP40_AC_CAT2_BITS[i], map_idx);
125 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
126 ptr::write(&mut ac2_cb[i], cb);
127 let mut cr = TableCodebookDescReader::new(&VP40_AC_CAT3_CODES[i], &VP40_AC_CAT3_BITS[i], map_idx);
128 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
129 ptr::write(&mut ac3_cb[i], cb);
130 }
131 }
132 VP31Codes { dc_cb, ac0_cb, ac1_cb, ac2_cb, ac3_cb }
133 }
134 }
135
136 struct VP40AuxCodes {
137 mv_x_cb: [Codebook<i8>; 7],
138 mv_y_cb: [Codebook<i8>; 7],
139 mbpat_cb: [Codebook<u8>; 2],
140 }
141
142 fn map_mv(idx: usize) -> i8 {
143 (idx as i8) - 31
144 }
145
146 impl VP40AuxCodes {
147 fn new() -> Self {
148 let mut mv_x_cb: [Codebook<i8>; 7];
149 let mut mv_y_cb: [Codebook<i8>; 7];
150 unsafe {
151 mv_x_cb = mem::uninitialized();
152 mv_y_cb = mem::uninitialized();
153 for i in 0..7 {
154 let mut cr = TableCodebookDescReader::new(&VP40_MV_X_CODES[i], &VP40_MV_X_BITS[i], map_mv);
155 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
156 ptr::write(&mut mv_x_cb[i], cb);
157 let mut cr = TableCodebookDescReader::new(&VP40_MV_Y_CODES[i], &VP40_MV_Y_BITS[i], map_mv);
158 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
159 ptr::write(&mut mv_y_cb[i], cb);
160 }
161 }
162 let mut cr0 = TableCodebookDescReader::new(&VP40_MBPAT_CODES[0], &VP40_MBPAT_BITS[0], map_idx);
163 let mut cr1 = TableCodebookDescReader::new(&VP40_MBPAT_CODES[1], &VP40_MBPAT_BITS[1], map_idx);
164 let mbpat_cb = [Codebook::new(&mut cr0, CodebookMode::MSB).unwrap(),
165 Codebook::new(&mut cr1, CodebookMode::MSB).unwrap()];
166 Self { mv_x_cb, mv_y_cb, mbpat_cb }
167 }
168 }
169
170 enum Codes {
171 None,
172 VP30(VP30Codes),
173 VP31(VP31Codes),
174 }
175
176 #[derive(Clone)]
177 struct Block {
178 btype: VPMBType,
179 coeffs: [i16; 64],
180 has_ac: bool,
181 idx: usize,
182 mv: MV,
183 coded: bool,
184 }
185
186 impl Block {
187 fn new() -> Self {
188 Self {
189 btype: VPMBType::Intra,
190 coeffs: [0; 64],
191 has_ac: false,
192 idx: 0,
193 mv: ZERO_MV,
194 coded: false,
195 }
196 }
197 }
198
199 type ReadRunFunc = fn (&mut BitReader) -> DecoderResult<usize>;
200
201 const VP31_LONG_RUN_BASE: [usize; 7] = [ 1, 2, 4, 6, 10, 18, 34 ];
202 const VP31_LONG_RUN_BITS: [u8; 7] = [ 0, 1, 1, 2, 3, 4, 12 ];
203 fn read_long_run(br: &mut BitReader) -> DecoderResult<usize> {
204 let pfx = br.read_code(UintCodeType::LimitedUnary(6, 0))? as usize;
205 if pfx == 0 { return Ok(1); }
206 Ok(VP31_LONG_RUN_BASE[pfx] + (br.read(VP31_LONG_RUN_BITS[pfx])? as usize))
207 }
208
209 const VP31_SHORT_RUN_BASE: [usize; 6] = [ 1, 3, 5, 7, 11, 15 ];
210 const VP31_SHORT_RUN_BITS: [u8; 6] = [ 1, 1, 1, 2, 2, 4 ];
211 fn read_short_run(br: &mut BitReader) -> DecoderResult<usize> {
212 let pfx = br.read_code(UintCodeType::LimitedUnary(5, 0))? as usize;
213 Ok(VP31_SHORT_RUN_BASE[pfx] + (br.read(VP31_SHORT_RUN_BITS[pfx])? as usize))
214 }
215
216 fn read_mb_run(br: &mut BitReader) -> DecoderResult<usize> {
217 let pfx = br.read_code(UintCodeType::LimitedUnary(10, 0))? as usize;
218 if pfx == 10 { unimplemented!(); }
219 if pfx < 2 {
220 Ok(pfx + 1)
221 } else {
222 let base = (1 << (pfx - 1)) + 1;
223 let bits = (pfx - 1) as u8;
224 let add_bits = br.read(bits)? as usize;
225 Ok(base + add_bits)
226 }
227 }
228
229 struct BitRunDecoder {
230 value: bool,
231 run: usize,
232 read_run: ReadRunFunc,
233 }
234
235 impl BitRunDecoder {
236 fn new(br: &mut BitReader, read_run: ReadRunFunc) -> DecoderResult<Self> {
237 let value = !br.read_bool()?; // it will be flipped before run decoding
238 Ok(Self { value, run: 0, read_run })
239 }
240 fn get_val(&mut self, br: &mut BitReader) -> DecoderResult<bool> {
241 if self.run == 0 {
242 self.value = !self.value;
243 self.run = (self.read_run)(br)?;
244 }
245 self.run -= 1;
246 Ok(self.value)
247 }
248 }
249
250 const VP30_NE0_BITS: [u8; 5] = [ 2, 2, 3, 4, 8 ];
251 const VP30_NE0_BASE: [usize; 5] = [ 1, 5, 9, 17, 33 ];
252 fn vp30_read_ne_run0(br: &mut BitReader) -> DecoderResult<usize> {
253 let len = br.read_code(UintCodeType::LimitedUnary(4, 0))? as usize;
254 Ok(VP30_NE0_BASE[len] + (br.read(VP30_NE0_BITS[len])? as usize))
255 }
256 fn vp30_read_ne_run1(br: &mut BitReader) -> DecoderResult<usize> {
257 let len = br.read_code(UintCodeType::LimitedUnary(6, 0))? as usize;
258 if len == 0 {
259 Ok((br.read(1)? as usize) + 1)
260 } else if len < 6 {
261 Ok(len + 2)
262 } else {
263 Ok((br.read(8)? as usize) + 8)
264 }
265 }
266 fn vp30_read_coded_run0(br: &mut BitReader) -> DecoderResult<usize> {
267 let len = br.read_code(UintCodeType::LimitedUnary(5, 0))? as usize;
268 Ok(len + 1)
269 }
270 /*
271 0 - 1
272 11 - 2
273 1000 - 3
274 1010 - 4
275 10011 - 5
276 10111 - 6
277 10010 - 7 + get_bits(3)
278 101100 - 15 + get_bits(5)
279 1011010 - 47 + get_bits(8)
280 1011011 - 303 + get_bits(16)
281 */
282 const VP30_CRUN1_LUT: [u8; 32] = [
283 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
284 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
285 0x34, 0x34, 0x75, 0x55, 0x44, 0x44, 0x85, 0x65,
286 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22
287 ];
288 fn vp30_read_coded_run1(br: &mut BitReader) -> DecoderResult<usize> {
289 let idx = br.peek(5) as usize;
290 let sym = (VP30_CRUN1_LUT[idx] >> 4) as usize;
291 let bits = VP30_CRUN1_LUT[idx] & 0xF;
292 br.skip(bits as u32)?;
293 if sym < 7 {
294 Ok(sym)
295 } else if sym == 7 {
296 Ok(7 + (br.read(3)? as usize))
297 } else {
298 let len = br.read_code(UintCodeType::Unary012)?;
299 match len {
300 0 => Ok(15 + (br.read(5)? as usize)),
301 1 => Ok(47 + (br.read(8)? as usize)),
302 _ => Ok(303 + (br.read(16)? as usize)),
303 }
304 }
305 }
306
307 struct VP34Decoder {
308 info: NACodecInfoRef,
309 width: usize,
310 height: usize,
311 mb_w: usize,
312 mb_h: usize,
313 version: u8,
314 is_intra: bool,
315 update_gf: bool,
316 quant: usize,
317 shuf: VPShuffler,
318 codes: Codes,
319 aux_codes: Option<VP40AuxCodes>,
320 loop_str: i16,
321 mc_buf: NAVideoBufferRef<u8>,
322
323 blocks: Vec<Block>,
324 mb_coded: Vec<bool>,
325 mb_partial: Vec<bool>,
326 y_blocks: usize,
327 y_sbs: usize,
328 qmat_y: [i16; 64],
329 qmat_c: [i16; 64],
330 qmat_y_p: [i16; 64],
331 qmat_c_p: [i16; 64],
332
333 eob_run: usize,
334 last_dc: [i16; 3],
335
336 blk_addr: Vec<usize>,
337 blk_sub: Vec<u8>,
338 sb_info: Vec<SBState>,
339 sb_blocks: Vec<u8>,
340 sb_mbs: Vec<u8>,
341 mb_blocks: Vec<u8>,
342 }
343
344 fn vp30_read_mv_comp(br: &mut BitReader) -> DecoderResult<i16> {
345 let mode = br.read(2)?;
346 if mode == 0 { return Ok(0); }
347 let sign = br.read_bool()?;
348 let val = match mode - 1 {
349 0 => 1,
350 1 => 2 + (br.read(2)? as i16),
351 _ => br.read(5)? as i16,
352 };
353 if !sign {
354 Ok(val)
355 } else {
356 Ok(-val)
357 }
358 }
359
360 fn vp30_read_mv(br: &mut BitReader) -> DecoderResult<MV> {
361 let x = vp30_read_mv_comp(br)?;
362 let y = vp30_read_mv_comp(br)?;
363 Ok(MV{ x, y })
364 }
365
366 fn read_mv_comp_packed(br: &mut BitReader) -> DecoderResult<i16> {
367 let code = br.read(3)?;
368 match code {
369 0 => Ok(0),
370 1 => Ok(1),
371 2 => Ok(-1),
372 3 => if br.read_bool()? { Ok(-2) } else { Ok(2) },
373 4 => if br.read_bool()? { Ok(-3) } else { Ok(3) },
374 5 => {
375 let val = (br.read(2)? as i16) + 4;
376 if br.read_bool()? {
377 Ok(-val)
378 } else {
379 Ok(val)
380 }
381 },
382 6 => {
383 let val = (br.read(3)? as i16) + 8;
384 if br.read_bool()? {
385 Ok(-val)
386 } else {
387 Ok(val)
388 }
389 },
390 _ => {
391 let val = (br.read(4)? as i16) + 16;
392 if br.read_bool()? {
393 Ok(-val)
394 } else {
395 Ok(val)
396 }
397 },
398 }
399 }
400
401 fn read_mv_packed(br: &mut BitReader) -> DecoderResult<MV> {
402 let x = read_mv_comp_packed(br)?;
403 let y = read_mv_comp_packed(br)?;
404 Ok(MV{ x, y })
405 }
406
407 fn read_mv_comp_raw(br: &mut BitReader) -> DecoderResult<i16> {
408 let val = br.read(5)? as i16;
409 if br.read_bool()? {
410 Ok(-val)
411 } else {
412 Ok(val)
413 }
414 }
415
416 fn read_mv_raw(br: &mut BitReader) -> DecoderResult<MV> {
417 let x = read_mv_comp_raw(br)?;
418 let y = read_mv_comp_raw(br)?;
419 Ok(MV{ x, y })
420 }
421
422 fn rescale_qmat(dst_qmat: &mut [i16; 64], base_qmat: &[i16; 64], dc_quant: i16, ac_quant: i16, minval: i16) {
423 for (dst, src) in dst_qmat.iter_mut().zip(base_qmat.iter()) {
424 *dst = (src.wrapping_mul(ac_quant) / 100).max(minval) << 2;
425 }
426 dst_qmat[0] = (base_qmat[0] * dc_quant / 100).max(minval * 2) << 2;
427 }
428
429 fn rescale_qmat_vp4(dst_qmat: &mut [i16; 64], base_qmat: &[i16; 64], dc_quant: i16, ac_quant: i16, is_intra: bool) {
430 let (bias, minval) = if is_intra { (3, 4) } else { (6, 8) };
431 for (dst, src) in dst_qmat.iter_mut().zip(base_qmat.iter()) {
432 *dst = ((src - bias).wrapping_mul(ac_quant) / 100 + bias) << 2;
433 }
434 dst_qmat[0] = (base_qmat[0] * dc_quant / 100).max(minval) << 2;
435 }
436
437 fn expand_token(blk: &mut Block, br: &mut BitReader, eob_run: &mut usize, token: u8) -> DecoderResult<()> {
438 match token {
439 // EOBs
440 0 | 1 | 2 => { *eob_run = (token as usize) + 1; },
441 3 | 4 | 5 => {
442 let bits = token - 1;
443 *eob_run = (br.read(bits)? as usize) + (1 << bits);
444 },
445 6 => { *eob_run = br.read(12)? as usize; },
446 // zero runs
447 7 | 8 => {
448 let bits = if token == 7 { 3 } else { 6 };
449 let run = (br.read(bits)? as usize) + 1;
450 blk.idx += run;
451 validate!(blk.idx <= 64);
452 },
453 // single coefficients
454 9 | 10 | 11 | 12 => {
455 let val = (i16::from(token) - 7) >> 1;
456 if (token & 1) == 1 {
457 blk.coeffs[ZIGZAG[blk.idx]] = val;
458 } else {
459 blk.coeffs[ZIGZAG[blk.idx]] = -val;
460 }
461 blk.idx += 1;
462 },
463 13 | 14 | 15 | 16 => {
464 let val = i16::from(token) - 10;
465 if !br.read_bool()? {
466 blk.coeffs[ZIGZAG[blk.idx]] = val;
467 } else {
468 blk.coeffs[ZIGZAG[blk.idx]] = -val;
469 }
470 blk.idx += 1;
471 },
472 17 | 18 | 19 | 20 | 21 | 22 => {
473 let add_bits = if token == 22 { 9 } else { token - 16 };
474 let sign = br.read_bool()?;
475 let val = (br.read(add_bits)? as i16) + VP3_LITERAL_BASE[(token - 17) as usize];
476 if !sign {
477 blk.coeffs[ZIGZAG[blk.idx]] = val;
478 } else {
479 blk.coeffs[ZIGZAG[blk.idx]] = -val;
480 }
481 blk.idx += 1;
482 }
483 // zero run plus coefficient
484 23 | 24 | 25 | 26 | 27 => {
485 blk.idx += (token - 22) as usize;
486 validate!(blk.idx < 64);
487 if !br.read_bool()? {
488 blk.coeffs[ZIGZAG[blk.idx]] = 1;
489 } else {
490 blk.coeffs[ZIGZAG[blk.idx]] = -1;
491 }
492 blk.idx += 1;
493 },
494 28 | 29 => {
495 let run_bits = token - 26;
496 if token == 28 {
497 blk.idx += 6;
498 } else {
499 blk.idx += 10;
500 }
501 let sign = br.read_bool()?;
502 blk.idx += br.read(run_bits)? as usize;
503 validate!(blk.idx < 64);
504 if !sign {
505 blk.coeffs[ZIGZAG[blk.idx]] = 1;
506 } else {
507 blk.coeffs[ZIGZAG[blk.idx]] = -1;
508 }
509 blk.idx += 1;
510 },
511 30 => {
512 blk.idx += 1;
513 validate!(blk.idx < 64);
514 let sign = br.read_bool()?;
515 let val = (br.read(1)? as i16) + 2;
516 if !sign {
517 blk.coeffs[ZIGZAG[blk.idx]] = val;
518 } else {
519 blk.coeffs[ZIGZAG[blk.idx]] = -val;
520 }
521 blk.idx += 1;
522 },
523 _ => {
524 let sign = br.read_bool()?;
525 let val = (br.read(1)? as i16) + 2;
526 blk.idx += (br.read(1)? as usize) + 2;
527 validate!(blk.idx < 64);
528 if !sign {
529 blk.coeffs[ZIGZAG[blk.idx]] = val;
530 } else {
531 blk.coeffs[ZIGZAG[blk.idx]] = -val;
532 }
533 blk.idx += 1;
534 },
535 };
536 if *eob_run > 0 {
537 blk.idx = 64;
538 *eob_run -= 1;
539 } else if (token > 8) && (blk.idx > 1) {
540 blk.has_ac = true;
541 }
542 Ok(())
543 }
544
545 macro_rules! fill_dc_pred {
546 ($self: expr, $ref_id: expr, $pred: expr, $pp: expr, $bit: expr, $idx: expr) => {
547 if $self.blocks[$idx].coded && $self.blocks[$idx].btype.get_ref_id() == $ref_id {
548 $pred[$bit] = $self.blocks[$idx].coeffs[0] as i32;
549 $pp |= 1 << $bit;
550 }
551 };
552 }
553
554 fn vp31_loop_filter_v(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
555 let off = frm.offset[plane] + x + y * frm.stride[plane];
556 vp31_loop_filter(frm.data, off, 1, frm.stride[plane], 8, loop_str);
557 }
558
559 fn vp31_loop_filter_h(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
560 let off = frm.offset[plane] + x + y * frm.stride[plane];
561 vp31_loop_filter(frm.data, off, frm.stride[plane], 1, 8, loop_str);
562 }
563
564 fn vp3_mv_mode(mvx: i16, mvy: i16) -> usize {
565 let mode = ((mvx & 1) + (mvy & 1) * 2) as usize;
566 if (mode == 3) && (mvx ^ mvy < 0) {
567 4
568 } else {
569 mode
570 }
571 }
572
573 impl VP34Decoder {
574 fn new(version: u8) -> Self {
575 let vt = alloc_video_buffer(NAVideoInfo::new(24, 24, false, YUV420_FORMAT), 4).unwrap();
576 let mc_buf = vt.get_vbuf().unwrap();
577 Self {
578 info: NACodecInfoRef::default(),
579 width: 0,
580 height: 0,
581 mb_w: 0,
582 mb_h: 0,
583 version,
584 is_intra: true,
585 update_gf: false,
586 quant: 0,
587 shuf: VPShuffler::new(),
588 codes: Codes::None,
589 aux_codes: None,
590 loop_str: 0,
591 mc_buf,
592
593 blocks: Vec::new(),
594 mb_coded: Vec::new(),
595 mb_partial: Vec::new(),
596 y_blocks: 0,
597 y_sbs: 0,
598
599 qmat_y: [0; 64],
600 qmat_c: [0; 64],
601 qmat_y_p: [0; 64],
602 qmat_c_p: [0; 64],
603
604 eob_run: 0,
605 last_dc: [0; 3],
606
607 blk_addr: Vec::new(),
608 blk_sub: Vec::new(),
609 sb_info: Vec::new(),
610 sb_blocks: Vec::new(),
611 sb_mbs: Vec::new(),
612 mb_blocks: Vec::new(),
613 }
614 }
615 fn parse_header(&mut self, br: &mut BitReader) -> DecoderResult<()> {
616 self.is_intra = !br.read_bool()?;
617 br.skip(1)?;
618 self.quant = br.read(6)? as usize;
619 if self.is_intra {
620 if br.peek(8) != 0 {
621 validate!(self.version == 3 || self.version == 30);
622 let mb_w = br.read(8)? as usize;
623 let mb_h = br.read(8)? as usize;
624 validate!(mb_w == self.mb_w && mb_h == self.mb_h);
625 if self.version == 3 {
626 self.version = 30;
627 self.codes = Codes::VP30(VP30Codes::new());
628 }
629 } else {
630 let version = br.read(13)?;
631 let coding_type = br.read(1)?;
632 validate!(coding_type == 0);
633 br.skip(2)?;
634 if version == 1 {
635 validate!(self.version == 3 || self.version == 31);
636 if self.version == 3 {
637 self.version = 31;
638 self.codes = Codes::VP31(VP31Codes::new());
639 }
640 } else if version == 3 {
641 validate!(self.version == 4);
642 let mb_h = br.read(8)? as usize;
643 let mb_w = br.read(8)? as usize;
644 validate!(mb_w == self.mb_w && mb_h == self.mb_h);
645 let fact1 = br.read(5)?;
646 let fact2 = br.read(3)?;
647 validate!(fact1 == 1 && fact2 == 1);
648 let fact1 = br.read(5)?;
649 let fact2 = br.read(3)?;
650 validate!(fact1 == 1 && fact2 == 1);
651 br.skip(2)?;
652 } else {
653 return Err(DecoderError::InvalidData);
654 }
655 }
656 }
657 self.loop_str = if self.version != 4 {
658 VP31_LOOP_STRENGTH[self.quant]
659 } else {
660 VP40_LOOP_STRENGTH[self.quant]
661 };
662 Ok(())
663 }
664 fn vp30_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
665 let mut has_nonempty = false;
666 {
667 let mut bit = !br.read_bool()?;
668 let mut run = 0;
669 for sb in self.sb_info.iter_mut() {
670 if run == 0 {
671 bit = !bit;
672 run = if bit { vp30_read_ne_run1(br)? } else { vp30_read_ne_run0(br)? };
673 }
674 *sb = if bit { has_nonempty = true; SBState::Partial } else { SBState::Uncoded };
675 run -= 1;
676 }
677 validate!(run == 0);
678 }
679 if has_nonempty {
680 for el in self.mb_coded.iter_mut() { *el = false; }
681 let mut bit = !br.read_bool()?;
682 let mut run = 0;
683 let mut mbiter = self.mb_coded.iter_mut();
684 for (sb, nmb) in self.sb_info.iter_mut().zip(self.sb_mbs.iter()) {
685 let nmbs = *nmb as usize;
686 if *sb == SBState::Partial {
687 for _ in 0..nmbs {
688 if run == 0 {
689 bit = !bit;
690 run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
691 }
692 run -= 1;
693 *mbiter.next().unwrap() = bit;
694 }
695 } else {
696 for _ in 0..nmbs {
697 mbiter.next().unwrap();
698 }
699 }
700 }
701 validate!(run == 0);
702 let mut bit = !br.read_bool()?;
703 let mut run = 0;
704 let mut cur_blk = 0;
705 for (coded, nblk) in self.mb_coded.iter().zip(self.mb_blocks.iter()) {
706 let nblks = *nblk as usize;
707 if *coded {
708 let mut cb = [false; 4];
709 for j in 0..nblks {
710 if run == 0 {
711 bit = !bit;
712 run = if bit { vp30_read_coded_run1(br)? } else { vp30_read_coded_run0(br)? };
713 }
714 run -= 1;
715 cb[j] = bit;
716 }
717 for j in 0..nblks {
718 let addr = self.blk_addr[cur_blk + j] >> 2;
719 self.blocks[addr].coded = cb[j];
720 }
721 }
722 cur_blk += nblks;
723 }
724 validate!(run == 0);
725 }
726 Ok(())
727 }
728 fn vp30_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
729 let mut cur_blk = 0;
730 if let Codes::VP30(ref codes) = self.codes {
731 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
732 let nblks = *nblk as usize;
733 if *sb == SBState::Uncoded {
734 for _ in 0..nblks {
735 self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
736 cur_blk += 1;
737 }
738 } else {
739 for _ in 0..nblks/4 {
740 let mut coded = *sb == SBState::Coded;
741 if !coded {
742 for blk in 0..4 {
743 if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
744 coded = true;
745 break;
746 }
747 }
748 }
749 let mode = if !coded {
750 VPMBType::InterNoMV
751 } else {
752 br.read_cb(&codes.mbtype_cb)?
753 };
754 for _ in 0..4 {
755 self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
756 cur_blk += 1;
757 }
758 }
759 }
760 }
761 } else {
762 return Err(DecoderError::Bug);
763 }
764 // replicate types for chroma
765 let mut off_y = 0;
766 let mut off_u = self.y_blocks;
767 let mut off_v = off_u + self.mb_w * self.mb_h;
768 for _blk_y in 0..self.mb_h {
769 for blk_x in 0..self.mb_w {
770 let btype = self.blocks[off_y + blk_x * 2].btype;
771 self.blocks[off_u + blk_x].btype = btype;
772 self.blocks[off_v + blk_x].btype = btype;
773 }
774 off_y += self.mb_w * 2 * 2;
775 off_u += self.mb_w;
776 off_v += self.mb_w;
777 }
778 Ok(())
779 }
780 fn vp30_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
781 let mut last_mv = ZERO_MV;
782
783 let mut cur_blk = 0;
784 for _ in 0..self.y_blocks/4 {
785 let baddr = self.blk_addr[cur_blk] >> 2;
786 if self.blocks[baddr].btype == VPMBType::InterFourMV {
787 let saddr = baddr.min(self.blk_addr[cur_blk + 1] >> 2).min(self.blk_addr[cur_blk + 2] >> 2).min(self.blk_addr[cur_blk + 3] >> 2);
788 for i in 0..4 {
789 let blk = &mut self.blocks[saddr + (i & 1) + (i & 2) * self.mb_w];
790 if blk.coded {
791 blk.mv = vp30_read_mv(br)?;
792 }
793 cur_blk += 1;
794 }
795 } else {
796 let cur_mv;
797 match self.blocks[baddr].btype {
798 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
799 cur_mv = ZERO_MV;
800 },
801 VPMBType::InterMV => {
802 cur_mv = vp30_read_mv(br)?;
803 last_mv = cur_mv;
804 },
805 VPMBType::InterNearest => {
806 cur_mv = last_mv;
807 },
808 _ => { // GoldenMV
809 cur_mv = vp30_read_mv(br)?;
810 },
811 };
812 for _ in 0..4 {
813 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
814 cur_blk += 1;
815 }
816 }
817 }
818 Ok(())
819 }
820 fn vp30_unpack_coeffs(&mut self, br: &mut BitReader, coef_no: usize, table: usize) -> DecoderResult<()> {
821 if let Codes::VP30(ref codes) = self.codes {
822 for blkaddr in self.blk_addr.iter() {
823 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
824 if !blk.coded || blk.idx != coef_no { continue; }
825 if self.eob_run > 0 {
826 blk.idx = 64;
827 self.eob_run -= 1;
828 continue;
829 }
830 let cb = if coef_no == 0 {
831 &codes.dc_cb[table]
832 } else if blk.btype.is_intra() {
833 &codes.ac_i_cb[table]
834 } else {
835 &codes.ac_p_cb[table]
836 };
837 let token = br.read_cb(cb)?;
838 expand_token(blk, br, &mut self.eob_run, token)?;
839 }
840 Ok(())
841 } else {
842 Err(DecoderError::Bug)
843 }
844 }
845 fn vp31_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
846 let mut has_uncoded = false;
847 let mut has_partial = false;
848 {
849 let mut brun = BitRunDecoder::new(br, read_long_run)?;
850 for sb in self.sb_info.iter_mut() {
851 if brun.get_val(br)? {
852 *sb = SBState::Partial;
853 has_partial = true;
854 } else {
855 *sb = SBState::Uncoded;
856 has_uncoded = true;
857 }
858 }
859 }
860 if has_uncoded {
861 let mut brun = BitRunDecoder::new(br, read_long_run)?;
862 let mut cur_blk = 0;
863 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()) {
864 let nblks = *nblk as usize;
865 if *sb != SBState::Partial && brun.get_val(br)? {
866 *sb = SBState::Coded;
867 for _ in 0..nblks {
868 let blk_idx = self.blk_addr[cur_blk] >> 2;
869 self.blocks[blk_idx].coded = true;
870 cur_blk += 1;
871 }
872 } else {
873 for _ in 0..nblks {
874 let blk_idx = self.blk_addr[cur_blk] >> 2;
875 self.blocks[blk_idx].coded = false;
876 cur_blk += 1;
877 }
878 }
879 }
880 }
881 if has_partial {
882 let mut brun = BitRunDecoder::new(br, read_short_run)?;
883 let mut cur_blk = 0;
884 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()) {
885 let nblks = *nblk as usize;
886 if *sb == SBState::Partial {
887 for _ in 0..nblks {
888 let blk_idx = self.blk_addr[cur_blk] >> 2;
889 self.blocks[blk_idx].coded = brun.get_val(br)?;
890 cur_blk += 1;
891 }
892 } else {
893 cur_blk += nblks;
894 }
895 }
896 }
897 Ok(())
898 }
899 fn vp31_unpack_mb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
900 let mut modes = [VPMBType::InterNoMV; 8];
901 let alphabet = br.read(3)? as usize;
902 let raw_modes = alphabet >= 7;
903 if alphabet == 0 {
904 for mode in VP31_DEFAULT_MB_MODES.iter() {
905 modes[br.read(3)? as usize] = *mode;
906 }
907 } else if alphabet < 7 {
908 modes.copy_from_slice(&VP31_MB_MODES[alphabet - 1]);
909 }
910
911 let mut cur_blk = 0;
912 for (sb, nblk) in self.sb_info.iter_mut().zip(self.sb_blocks.iter()).take(self.y_sbs) {
913 let nblks = *nblk as usize;
914 if *sb == SBState::Uncoded {
915 for _ in 0..nblks {
916 self.blocks[self.blk_addr[cur_blk] >> 2].btype = VPMBType::InterNoMV;
917 cur_blk += 1;
918 }
919 } else {
920 for _ in 0..nblks/4 {
921 let mut coded = *sb == SBState::Coded;
922 if !coded {
923 for blk in 0..4 {
924 if self.blocks[self.blk_addr[cur_blk + blk] >> 2].coded {
925 coded = true;
926 break;
927 }
928 }
929 }
930 let mode = if !coded {
931 VPMBType::InterNoMV
932 } else if !raw_modes {
933 let code = br.read_code(UintCodeType::LimitedUnary(7, 0))?;
934 modes[code as usize]
935 } else {
936 VP31_DEFAULT_MB_MODES[br.read(3)? as usize]
937 };
938 for _ in 0..4 {
939 self.blocks[self.blk_addr[cur_blk] >> 2].btype = mode;
940 cur_blk += 1;
941 }
942 }
943 }
944 }
945 // replicate types for chroma
946 let mut off_y = 0;
947 let mut off_u = self.y_blocks;
948 let mut off_v = off_u + self.mb_w * self.mb_h;
949 for _blk_y in 0..self.mb_h {
950 for blk_x in 0..self.mb_w {
951 let btype = self.blocks[off_y + blk_x * 2].btype;
952 self.blocks[off_u + blk_x].btype = btype;
953 self.blocks[off_v + blk_x].btype = btype;
954 }
955 off_y += self.mb_w * 2 * 2;
956 off_u += self.mb_w;
957 off_v += self.mb_w;
958 }
959 Ok(())
960 }
961 fn vp31_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
962 let mut last_mv = ZERO_MV;
963 let mut last2_mv = ZERO_MV;
964 let read_mv = if br.read_bool()? { read_mv_raw } else { read_mv_packed };
965
966 let mut cur_blk = 0;
967 for _ in 0..self.y_blocks/4 {
968 if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
969 let a0 = self.blk_addr[cur_blk + 0] >> 2;
970 let a1 = self.blk_addr[cur_blk + 1] >> 2;
971 let a2 = self.blk_addr[cur_blk + 2] >> 2;
972 let a3 = self.blk_addr[cur_blk + 3] >> 2;
973 let first = a0.min(a1).min(a2).min(a3);
974 let last = a0.max(a1).max(a2).max(a3);
975 self.blocks[first + 0].mv = (read_mv)(br)?;
976 self.blocks[first + 1].mv = (read_mv)(br)?;
977 self.blocks[last - 1].mv = (read_mv)(br)?;
978 self.blocks[last + 0].mv = (read_mv)(br)?;
979 last2_mv = last_mv;
980 last_mv = self.blocks[last].mv;
981 cur_blk += 4;
982 } else {
983 let cur_mv;
984 match self.blocks[self.blk_addr[cur_blk] >> 2].btype {
985 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
986 cur_mv = ZERO_MV;
987 },
988 VPMBType::InterMV => {
989 cur_mv = (read_mv)(br)?;
990 last2_mv = last_mv;
991 last_mv = cur_mv;
992 },
993 VPMBType::InterNearest => {
994 cur_mv = last_mv;
995 },
996 VPMBType::InterNear => {
997 cur_mv = last2_mv;
998 std::mem::swap(&mut last_mv, &mut last2_mv);
999 },
1000 _ => { // GoldenMV
1001 cur_mv = (read_mv)(br)?;
1002 },
1003 };
1004 for _ in 0..4 {
1005 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
1006 cur_blk += 1;
1007 }
1008 }
1009 }
1010 Ok(())
1011 }
1012 fn vp31_unpack_coeffs(&mut self, br: &mut BitReader, coef_no: usize, table_y: usize, table_c: usize) -> DecoderResult<()> {
1013 if let Codes::VP31(ref codes) = self.codes {
1014 let cbs = if coef_no == 0 {
1015 [&codes.dc_cb[table_y], &codes.dc_cb[table_c]]
1016 } else if coef_no < 6 {
1017 [&codes.ac0_cb[table_y], &codes.ac0_cb[table_c]]
1018 } else if coef_no < 15 {
1019 [&codes.ac1_cb[table_y], &codes.ac1_cb[table_c]]
1020 } else if coef_no < 28 {
1021 [&codes.ac2_cb[table_y], &codes.ac2_cb[table_c]]
1022 } else {
1023 [&codes.ac3_cb[table_y], &codes.ac3_cb[table_c]]
1024 };
1025 for blkaddr in self.blk_addr.iter() {
1026 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1027 if !blk.coded || blk.idx != coef_no { continue; }
1028 if self.eob_run > 0 {
1029 blk.idx = 64;
1030 self.eob_run -= 1;
1031 continue;
1032 }
1033 let cb = if (blkaddr & 3) == 0 { cbs[0] } else { cbs[1] };
1034 let token = br.read_cb(cb)?;
1035 expand_token(blk, br, &mut self.eob_run, token)?;
1036 }
1037 Ok(())
1038 } else {
1039 Err(DecoderError::Bug)
1040 }
1041 }
1042 fn vp40_unpack_sb_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
1043 let mut has_uncoded = false;
1044
1045 if let Some(ref aux_codes) = self.aux_codes {
1046 for el in self.sb_info.iter_mut() {
1047 *el = SBState::Partial;
1048 }
1049 {
1050 let mut mbiter = self.mb_coded.iter_mut();
1051 let mut brun = BitRunDecoder::new(br, read_mb_run)?;
1052 for nmb in self.sb_mbs.iter() {
1053 let nmbs = *nmb as usize;
1054 for _ in 0..nmbs {
1055 let coded = brun.get_val(br)?;
1056 *mbiter.next().unwrap() = coded;
1057 has_uncoded |= !coded;
1058 }
1059 }
1060 }
1061 if has_uncoded {
1062 let mut mbiter = self.mb_coded.iter().zip(self.mb_partial.iter_mut());
1063 let mut brun = BitRunDecoder::new(br, read_mb_run)?;
1064 for nmb in self.sb_mbs.iter() {
1065 let nmbs = *nmb as usize;
1066 for _ in 0..nmbs {
1067 let (coded, partial) = mbiter.next().unwrap();
1068 if *coded {
1069 *partial = false;
1070 } else {
1071 *partial = brun.get_val(br)?;
1072 }
1073 }
1074 }
1075
1076 let mut bpmode = 0;
1077 let mut cur_blk = 0;
1078 for ((coded, partial), nblk) in self.mb_coded.iter().zip(self.mb_partial.iter()).zip(self.mb_blocks.iter()) {
1079 let nblks = *nblk as usize;
1080 if *coded {
1081 for _ in 0..nblks {
1082 let addr = self.blk_addr[cur_blk] >> 2;
1083 self.blocks[addr].coded = true;
1084 cur_blk += 1;
1085 }
1086 } else if !*partial {
1087 for _ in 0..nblks {
1088 let addr = self.blk_addr[cur_blk] >> 2;
1089 self.blocks[addr].coded = false;
1090 cur_blk += 1;
1091 }
1092 } else {
1093 let mut pat = br.read_cb(&aux_codes.mbpat_cb[bpmode])? + 1;
1094 bpmode = VP40_BP_PREDICTOR[pat as usize] as usize;
1095
1096 let mut addrs = [0; 4];
1097 for i in 0..nblks {
1098 addrs[i] = self.blk_addr[cur_blk + i] >> 2;
1099 for j in (0..i).rev() {
1100 if addrs[j] > addrs[j + 1] {
1101 addrs.swap(j, j + 1);
1102 }
1103 }
1104 }
1105 for i in 0..nblks {
1106 self.blocks[addrs[i]].coded = (pat & 8) != 0;
1107 pat <<= 1;
1108 cur_blk += 1;
1109 }
1110 }
1111 }
1112 }
1113 Ok(())
1114 } else {
1115 Err(DecoderError::Bug)
1116 }
1117 }
1118 fn vp40_unpack_mv_info(&mut self, br: &mut BitReader) -> DecoderResult<()> {
1119 let mut last_mv = ZERO_MV;
1120 let mut last2_mv = ZERO_MV;
1121 let mut last_mv_g = ZERO_MV;
1122
1123 let mut cur_blk = 0;
1124 if let Some(ref codes) = self.aux_codes {
1125 for _ in 0..self.y_blocks/4 {
1126 if self.blocks[self.blk_addr[cur_blk] >> 2].btype == VPMBType::InterFourMV {
1127 let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv.x.abs() as usize]];
1128 let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv.y.abs() as usize]];
1129 let x_sign = last_mv.x < 0;
1130 let y_sign = last_mv.y < 0;
1131 last2_mv = last_mv;
1132 let saddr = (self.blk_addr[cur_blk] >> 2).min(self.blk_addr[cur_blk + 1] >> 2).min(self.blk_addr[cur_blk + 2] >> 2).min(self.blk_addr[cur_blk + 3] >> 2);
1133 for i in 0..4 {
1134 let blk = &mut self.blocks[saddr + (i & 1) + (i >> 1) * self.mb_w * 2];
1135 blk.mv.x = br.read_cb(x_cb)? as i16;
1136 if x_sign {
1137 blk.mv.x = -blk.mv.x;
1138 }
1139 blk.mv.y = br.read_cb(y_cb)? as i16;
1140 if y_sign {
1141 blk.mv.y = -blk.mv.y;
1142 }
1143 last_mv = blk.mv;
1144 cur_blk += 1;
1145 }
1146 } else {
1147 let cur_mv;
1148 match self.blocks[self.blk_addr[cur_blk] >> 2].btype {
1149 VPMBType::Intra | VPMBType::InterNoMV | VPMBType::GoldenNoMV => {
1150 cur_mv = ZERO_MV;
1151 },
1152 VPMBType::InterMV => {
1153 let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv.x.abs() as usize]];
1154 let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv.y.abs() as usize]];
1155 let x_sign = last_mv.x < 0;
1156 let y_sign = last_mv.y < 0;
1157 let x = br.read_cb(x_cb)? as i16;
1158 let y = br.read_cb(y_cb)? as i16;
1159 cur_mv = MV { x: if !x_sign { x } else { -x }, y: if !y_sign { y } else { -y } };
1160 last2_mv = last_mv;
1161 last_mv = cur_mv;
1162 },
1163 VPMBType::InterNearest => {
1164 cur_mv = last_mv;
1165 },
1166 VPMBType::InterNear => {
1167 cur_mv = last2_mv;
1168 std::mem::swap(&mut last_mv, &mut last2_mv);
1169 },
1170 _ => { // GoldenMV
1171 let x_cb = &codes.mv_x_cb[VP40_MV_LUT_INDEX[last_mv_g.x.abs() as usize]];
1172 let y_cb = &codes.mv_y_cb[VP40_MV_LUT_INDEX[last_mv_g.y.abs() as usize]];
1173 let x_sign = last_mv_g.x < 0;
1174 let y_sign = last_mv_g.y < 0;
1175 let x = br.read_cb(x_cb)? as i16;
1176 let y = br.read_cb(y_cb)? as i16;
1177 cur_mv = MV { x: if !x_sign { x } else { -x }, y: if !y_sign { y } else { -y } };
1178 last_mv_g = cur_mv;
1179 },
1180 };
1181 for _ in 0..4 {
1182 self.blocks[self.blk_addr[cur_blk] >> 2].mv = cur_mv;
1183 cur_blk += 1;
1184 }
1185 }
1186 }
1187 Ok(())
1188 } else {
1189 Err(DecoderError::Bug)
1190 }
1191 }
1192 fn vp40_unpack_coeffs(&mut self, br: &mut BitReader, dc_table_y: usize, dc_table_c: usize, ac_table_y: usize, ac_table_c: usize) -> DecoderResult<()> {
1193 const VP40_PRED_MASKS: [usize; 16] = [ // top, bottom, left, right
1194 0b1010, 0b1010, 0b1000, 0b1011,
1195 0b1010, 0b1010, 0b0010, 0b1110,
1196 0b0010, 0b1010, 0b0010, 0b0110,
1197 0b0100, 0b0111, 0b1110, 0b1110
1198 ];
1199 self.last_dc = [0; 3];
1200 if let Codes::VP31(ref codes) = self.codes {
1201 let mut coef_eob: [usize; 64] = [0; 64];
1202 for (blkaddr, bsub) in self.blk_addr.iter().zip(self.blk_sub.iter()) {
1203 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1204 if !blk.coded { continue; }
1205 let mut idx = blkaddr >> 2;
1206 let (bx, by) = if (blkaddr & 3) == 0 {
1207 (idx % (self.mb_w * 2), idx / (self.mb_w * 2))
1208 } else {
1209 idx -= self.mb_w * self.mb_h * 4;
1210 if idx >= self.mb_w * self.mb_h {
1211 idx -= self.mb_w * self.mb_h;
1212 }
1213 (idx % self.mb_w, idx / self.mb_w)
1214 };
1215 while blk.idx < 64 {
1216 if coef_eob[blk.idx] > 0 {
1217 coef_eob[blk.idx] -= 1;
1218 blk.idx = 64;
1219 continue;
1220 }
1221 let cbs = if blk.idx == 0 {
1222 [&codes.dc_cb[dc_table_y], &codes.dc_cb[dc_table_c]]
1223 } else if blk.idx < 6 {
1224 [&codes.ac0_cb[ac_table_y], &codes.ac0_cb[ac_table_c]]
1225 } else if blk.idx < 15 {
1226 [&codes.ac1_cb[ac_table_y], &codes.ac1_cb[ac_table_c]]
1227 } else if blk.idx < 28 {
1228 [&codes.ac2_cb[ac_table_y], &codes.ac2_cb[ac_table_c]]
1229 } else {
1230 [&codes.ac3_cb[ac_table_y], &codes.ac3_cb[ac_table_c]]
1231 };
1232 let cb = if (blkaddr & 3) == 0 { cbs[0] } else { cbs[1] };
1233 let token = br.read_cb(cb)?;
1234 expand_token(blk, br, &mut coef_eob[blk.idx], token)?;
1235 if blk.idx == 64 { break; }
1236 }
1237 let idx = blkaddr >> 2;
1238 let mask = VP40_PRED_MASKS[*bsub as usize];
1239 if (blkaddr & 3) == 0 {
1240 let pred_dc = self.vp40_predict_dc(bx, by, self.mb_w * 2, self.mb_h * 2, idx, mask, true);
1241 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1242 blk.coeffs[0] += pred_dc;
1243 self.last_dc[blk.btype.get_ref_id() as usize] = blk.coeffs[0];
1244 } else {
1245 let pred_dc = self.vp40_predict_dc(bx, by, self.mb_w, self.mb_h, idx, mask, false);
1246 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1247 blk.coeffs[0] += pred_dc;
1248 self.last_dc[blk.btype.get_ref_id() as usize] = blk.coeffs[0];
1249 }
1250 }
1251 Ok(())
1252 } else {
1253 Err(DecoderError::Bug)
1254 }
1255 }
1256 fn decode_vp30(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
1257 for blk in self.blocks.iter_mut() {
1258 blk.coeffs = [0; 64];
1259 blk.idx = 0;
1260 blk.coded = false;
1261 blk.has_ac = false;
1262 }
1263 if self.is_intra {
1264 for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
1265 for blk in self.blocks.iter_mut() {
1266 blk.btype = VPMBType::Intra;
1267 blk.coded = true;
1268 }
1269 } else {
1270 if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
1271 return Err(DecoderError::MissingReference);
1272 }
1273 self.vp30_unpack_sb_info(br)?;
1274 self.vp30_unpack_mb_info(br)?;
1275 self.vp30_unpack_mv_info(br)?;
1276 }
1277 let dc_quant = VP30_DC_SCALES[self.quant] * 10;
1278 let ac_quant = VP30_AC_SCALES[self.quant];
1279
1280 self.update_gf = ac_quant <= 50;
1281
1282 rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant, 2);
1283 rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant, 2);
1284 rescale_qmat(&mut self.qmat_y_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
1285 if self.quant == 10 {
1286 self.qmat_y[29] = 980;
1287 self.qmat_y[58] = 1636;
1288 self.qmat_y[59] = 1964;
1289 } else if self.quant == 31 {
1290 self.qmat_y[58] = 456;
1291 } else if self.quant == 44 {
1292 self.qmat_y[58] = 224;
1293 }
1294 self.qmat_c_p.copy_from_slice(&self.qmat_y_p);
1295
1296 let table = if ac_quant <= 50 {
1297 0
1298 } else if ac_quant <= 150 {
1299 1
1300 } else if ac_quant <= 300 {
1301 2
1302 } else if ac_quant <= 600 {
1303 3
1304 } else {
1305 4
1306 };
1307
1308 self.eob_run = 0;
1309 self.vp30_unpack_coeffs(br, 0, table)?;
1310 let mut last_dc_i = 0;
1311 let mut last_dc_p = 0;
1312 for blkaddr in self.blk_addr.iter() {
1313 let blk: &mut Block = &mut self.blocks[blkaddr >> 2];
1314 if !blk.coded { continue; }
1315 if blk.btype.is_intra() {
1316 blk.coeffs[0] += last_dc_i;
1317 last_dc_i = blk.coeffs[0];
1318 } else {
1319 blk.coeffs[0] += last_dc_p;
1320 last_dc_p = blk.coeffs[0];
1321 }
1322 }
1323
1324 for coef_no in 1..64 {
1325 self.vp30_unpack_coeffs(br, coef_no, table)?;
1326 }
1327
1328 if self.is_intra {
1329 self.output_blocks_intra(frm);
1330 } else {
1331 self.output_blocks_inter(frm);
1332 }
1333
1334 Ok(())
1335 }
1336 fn decode_vp31(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
1337 for blk in self.blocks.iter_mut() {
1338 blk.coeffs = [0; 64];
1339 blk.idx = 0;
1340 blk.coded = false;
1341 blk.has_ac = false;
1342 }
1343 if self.is_intra {
1344 for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
1345 for blk in self.blocks.iter_mut() {
1346 blk.btype = VPMBType::Intra;
1347 blk.coded = true;
1348 }
1349 } else {
1350 if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
1351 return Err(DecoderError::MissingReference);
1352 }
1353 self.vp31_unpack_sb_info(br)?;
1354 self.vp31_unpack_mb_info(br)?;
1355 self.vp31_unpack_mv_info(br)?;
1356 }
1357 let dc_quant = VP31_DC_SCALES[self.quant];
1358 let ac_quant = VP31_AC_SCALES[self.quant];
1359 rescale_qmat(&mut self.qmat_y, VP3_QMAT_Y, dc_quant, ac_quant, 2);
1360 rescale_qmat(&mut self.qmat_c, VP3_QMAT_C, dc_quant, ac_quant, 2);
1361 rescale_qmat(&mut self.qmat_y_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
1362 rescale_qmat(&mut self.qmat_c_p, VP3_QMAT_INTER, dc_quant, ac_quant, 4);
1363
1364 self.eob_run = 0;
1365 let dc_table_y = br.read(4)? as usize;
1366 let dc_table_c = br.read(4)? as usize;
1367 self.vp31_unpack_coeffs(br, 0, dc_table_y, dc_table_c)?;
1368 self.restore_dcs();
1369
1370 let ac_table_y = br.read(4)? as usize;
1371 let ac_table_c = br.read(4)? as usize;
1372 for coef_no in 1..64 {
1373 self.vp31_unpack_coeffs(br, coef_no, ac_table_y, ac_table_c)?;
1374 }
1375
1376 if self.is_intra {
1377 self.output_blocks_intra(frm);
1378 } else {
1379 self.output_blocks_inter(frm);
1380 }
1381 if self.loop_str > 0 {
1382 self.vp31_loop_filter(frm);
1383 }
1384
1385 Ok(())
1386 }
1387 fn decode_vp4(&mut self, br: &mut BitReader, frm: &mut NASimpleVideoFrame<u8>) -> DecoderResult<()> {
1388 for blk in self.blocks.iter_mut() {
1389 blk.coeffs = [0; 64];
1390 blk.idx = 0;
1391 blk.coded = false;
1392 blk.has_ac = false;
1393 }
1394 if self.is_intra {
1395 for sb in self.sb_info.iter_mut() { *sb = SBState::Coded; }
1396 for blk in self.blocks.iter_mut() {
1397 blk.btype = VPMBType::Intra;
1398 blk.coded = true;
1399 }
1400 } else {
1401 if self.shuf.get_last().is_none() || self.shuf.get_golden().is_none() {
1402 return Err(DecoderError::MissingReference);
1403 }
1404 self.vp40_unpack_sb_info(br)?;
1405 self.vp31_unpack_mb_info(br)?;
1406 self.vp40_unpack_mv_info(br)?;
1407 }
1408 let dc_y_quant = VP40_DC_Y_SCALES[self.quant];
1409 let dc_c_quant = VP40_DC_C_SCALES[self.quant];
1410 let ac_quant = VP40_AC_SCALES[self.quant];
1411 rescale_qmat_vp4(&mut self.qmat_y, VP40_QMAT, dc_y_quant, ac_quant, true);
1412 rescale_qmat_vp4(&mut self.qmat_y_p, VP40_QMAT, dc_c_quant, ac_quant, false);
1413 self.qmat_c.copy_from_slice(&self.qmat_y);
1414 self.qmat_c_p.copy_from_slice(&self.qmat_y_p);
1415
1416 self.eob_run = 0;
1417 let dc_table_y = br.read(4)? as usize;
1418 let dc_table_c = br.read(4)? as usize;
1419 let ac_table_y = br.read(4)? as usize;
1420 let ac_table_c = br.read(4)? as usize;
1421 self.vp40_unpack_coeffs(br, dc_table_y, dc_table_c, ac_table_y, ac_table_c)?;
1422
1423 if self.is_intra {
1424 self.output_blocks_intra(frm);
1425 } else {
1426 self.output_blocks_inter(frm);
1427 }
1428
1429 Ok(())
1430 }
1431 fn vp31_predict_dc(&self, bx: usize, by: usize, bw: usize, blk_idx: usize) -> i16 {
1432 let mut preds = [0i32; 4];
1433 let mut pp: usize = 0;
1434 let ref_id = self.blocks[blk_idx].btype.get_ref_id();
1435 let is_right = bx == bw - 1;
1436 if bx > 0 {
1437 fill_dc_pred!(self, ref_id, preds, pp, 0, blk_idx - 1);
1438 if by > 0 {
1439 fill_dc_pred!(self, ref_id, preds, pp, 1, blk_idx - 1 - bw);
1440 }
1441 }
1442 if by > 0 {
1443 fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - bw);
1444 if !is_right {
1445 fill_dc_pred!(self, ref_id, preds, pp, 3, blk_idx + 1 - bw);
1446 }
1447 }
1448 if pp == 0 { return self.last_dc[ref_id as usize]; }
1449 let mut pred = 0i32;
1450 for i in 0..4 {
1451 if (pp & (1 << i)) != 0 {
1452 pred += (preds[i] as i32) * (VP31_DC_WEIGHTS[pp][i] as i32);
1453 }
1454 }
1455 pred /= VP31_DC_WEIGHTS[pp][4] as i32;
1456 if (pp & 7) == 7 {
1457 if (pred - preds[2]).abs() > 128 { return preds[2] as i16; }
1458 if (pred - preds[0]).abs() > 128 { return preds[0] as i16; }
1459 if (pred - preds[1]).abs() > 128 { return preds[1] as i16; }
1460 }
1461 pred as i16
1462 }
1463 fn vp40_predict_dc(&self, bx: usize, by: usize, bw: usize, bh: usize, blk_idx: usize, mask: usize, is_luma: bool) -> i16 {
1464 let mut preds = [0i32; 4];
1465 let mut pp: usize = 0;
1466 let ref_id = self.blocks[blk_idx].btype.get_ref_id();
1467 if (by > 0) && (((mask >> 3) & 1) == 1) { //top
1468 fill_dc_pred!(self, ref_id, preds, pp, 0, blk_idx - bw);
1469 }
1470 if (by < bh - 1) && (((mask >> 2) & 1) == 1) { //bottom
1471 fill_dc_pred!(self, ref_id, preds, pp, 1, blk_idx + bw);
1472 }
1473 if (bx > 0) && (((mask >> 1) & 1) == 1) { //left
1474 fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - 1);
1475 }
1476 if (is_luma && bx == 0 && (by >= 4)) && (((mask >> 1) & 1) == 1) { //left wrap
1477 fill_dc_pred!(self, ref_id, preds, pp, 2, blk_idx - 1 - 3 * bw);
1478 }
1479 if (bx < bw - 1) && (((mask >> 0) & 1) == 1) { //right
1480 fill_dc_pred!(self, ref_id, preds, pp, 3, blk_idx + 1);
1481 }
1482 if pp == 0 { return self.last_dc[ref_id as usize]; }
1483 let mut pred = 0i32;
1484 let mut npred = 0;
1485 for i in 0..4 {
1486 if (pp & (1 << i)) != 0 {
1487 pred += preds[i] as i32;
1488 npred += 1;
1489 if npred == 2 {
1490 return (pred / 2) as i16;
1491 }
1492 }
1493 }
1494 self.last_dc[ref_id as usize]
1495 }
1496 fn restore_dcs(&mut self) {
1497 let blk_stride = self.mb_w * 2;
1498 let mut blk_idx = 0;
1499 self.last_dc = [0; 3];
1500 for by in 0..self.mb_h*2 {
1501 for bx in 0..self.mb_w*2 {
1502 if !self.blocks[blk_idx + bx].coded { continue; }
1503 let dc = self.vp31_predict_dc(bx, by, self.mb_w*2, blk_idx + bx);
1504 self.blocks[blk_idx + bx].coeffs[0] += dc;
1505 self.last_dc[self.blocks[blk_idx + bx].btype.get_ref_id() as usize] = self.blocks[blk_idx + bx].coeffs[0];
1506 }
1507 blk_idx += blk_stride;
1508 }
1509 let blk_stride = self.mb_w;
1510 for _plane in 1..3 {
1511 self.last_dc = [0; 3];
1512 for by in 0..self.mb_h {
1513 for bx in 0..self.mb_w {
1514 if !self.blocks[blk_idx + bx].coded { continue; }
1515 let dc = self.vp31_predict_dc(bx, by, self.mb_w, blk_idx + bx);
1516 self.blocks[blk_idx + bx].coeffs[0] += dc;
1517 self.last_dc[self.blocks[blk_idx + bx].btype.get_ref_id() as usize] = self.blocks[blk_idx + bx].coeffs[0];
1518 }
1519 blk_idx += blk_stride;
1520 }
1521 }
1522 }
1523 fn output_blocks_intra(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
1524 let mut biter = self.blocks.iter_mut();
1525 for by in 0..self.mb_h*2 {
1526 for bx in 0..self.mb_w*2 {
1527 let mut blk = biter.next().unwrap();
1528 let qmat = &self.qmat_y;
1529 blk.coeffs[0] *= qmat[0];
1530 if blk.has_ac {
1531 unquant(&mut blk.coeffs, qmat);
1532 vp_put_block(&mut blk.coeffs, bx, by, 0, frm);
1533 } else {
1534 vp_put_block_dc(&mut blk.coeffs, bx, by, 0, frm);
1535 }
1536 }
1537 }
1538 for plane in 1..3 {
1539 for by in 0..self.mb_h {
1540 for bx in 0..self.mb_w {
1541 let mut blk = biter.next().unwrap();
1542 let qmat = &self.qmat_c;
1543 blk.coeffs[0] *= qmat[0];
1544 if blk.has_ac {
1545 unquant(&mut blk.coeffs, qmat);
1546 vp_put_block(&mut blk.coeffs, bx, by, plane, frm);
1547 } else {
1548 vp_put_block_dc(&mut blk.coeffs, bx, by, plane, frm);
1549 }
1550 }
1551 }
1552 }
1553 }
1554 fn output_blocks_inter(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
1555 let mut blk_idx = 0;
1556 let bstride = self.mb_w * 2;
1557 for by in (0..self.mb_h*2).step_by(2) {
1558 for bx in (0..self.mb_w*2).step_by(2) {
1559 if self.blocks[blk_idx + bx].btype != VPMBType::InterFourMV {
1560 continue;
1561 }
1562 let mvs = [ self.blocks[blk_idx + bx].mv,
1563 self.blocks[blk_idx + bx + 1].mv,
1564 self.blocks[blk_idx + bx + bstride].mv,
1565 self.blocks[blk_idx + bx + 1 + bstride].mv ];
1566 let mut mv_sum = mvs[0] + mvs[1] + mvs[2] + mvs[3];
1567 mv_sum.x = (mv_sum.x + 2) >> 2;
1568 mv_sum.y = (mv_sum.y + 2) >> 2;
1569
1570 let src = self.shuf.get_last().unwrap();
1571 for i in 0..4 {
1572 let xoff = (i & 1) * 8;
1573 let yoff = (i >> 1) * 8;
1574
1575 let mode = vp3_mv_mode(mvs[i].x, mvs[i].y);
1576 if self.version != 4 {
1577 copy_block(frm, src.clone(), 0, bx * 8 + xoff, by * 8 + yoff,
1578 mvs[i].x >> 1, mvs[i].y >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1579 } else {
1580 vp_copy_block(frm, src.clone(), 0, bx * 8 + xoff, by * 8 + yoff,
1581 mvs[i].x >> 1, mvs[i].y >> 1, 0, 1, self.loop_str,
1582 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1583 }
1584 }
1585
1586 let mx = (mv_sum.x >> 1) | (mv_sum.x & 1);
1587 let my = (mv_sum.y >> 1) | (mv_sum.y & 1);
1588 let mode = vp3_mv_mode(mx, my);
1589 copy_block(frm, src.clone(), 1, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1590 copy_block(frm, src.clone(), 2, bx * 4, by * 4, mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1591 }
1592 blk_idx += bstride * 2;
1593 }
1594
1595 let mut biter = self.blocks.iter_mut();
1596 for by in 0..self.mb_h*2 {
1597 for bx in 0..self.mb_w*2 {
1598 let mut blk = biter.next().unwrap();
1599 // do MC for whole macroblock
1600 if !blk.btype.is_intra() && (((bx | by) & 1) == 0) && (blk.btype != VPMBType::InterFourMV) {
1601 let src = if blk.btype.get_ref_id() == 1 {
1602 self.shuf.get_last().unwrap()
1603 } else {
1604 self.shuf.get_golden().unwrap()
1605 };
1606 let mode = vp3_mv_mode(blk.mv.x, blk.mv.y);
1607 if self.version != 4 {
1608 copy_block(frm, src.clone(), 0, bx * 8, by * 8,
1609 blk.mv.x >> 1, blk.mv.y >> 1, 16, 16, 0, 1, mode, VP3_INTERP_FUNCS);
1610 } else {
1611 vp_copy_block(frm, src.clone(), 0, bx * 8, by * 8,
1612 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1613 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1614 vp_copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8,
1615 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1616 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1617 vp_copy_block(frm, src.clone(), 0, bx * 8, by * 8 + 8,
1618 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1619 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1620 vp_copy_block(frm, src.clone(), 0, bx * 8 + 8, by * 8 + 8,
1621 blk.mv.x >> 1, blk.mv.y >> 1, 0, 1, self.loop_str,
1622 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1623 }
1624 let mx = (blk.mv.x >> 1) | (blk.mv.x & 1);
1625 let my = (blk.mv.y >> 1) | (blk.mv.y & 1);
1626 let mode = vp3_mv_mode(mx, my);
1627 if self.version != 4 {
1628 copy_block(frm, src.clone(), 1, bx * 4, by * 4,
1629 mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1630 copy_block(frm, src.clone(), 2, bx * 4, by * 4,
1631 mx >> 1, my >> 1, 8, 8, 0, 1, mode, VP3_INTERP_FUNCS);
1632 } else {
1633 vp_copy_block(frm, src.clone(), 1, bx * 4, by * 4,
1634 mx >> 1, my >> 1, 0, 1, self.loop_str,
1635 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1636 vp_copy_block(frm, src.clone(), 2, bx * 4, by * 4,
1637 mx >> 1, my >> 1, 0, 1, self.loop_str,
1638 mode, VP3_INTERP_FUNCS, self.mc_buf.clone());
1639 }
1640 }
1641 let qmat = if blk.btype.is_intra() { &self.qmat_y } else { &self.qmat_y_p };
1642 blk.coeffs[0] *= qmat[0];
1643 if blk.has_ac {
1644 unquant(&mut blk.coeffs, qmat);
1645 }
1646 if !blk.coded {
1647 copy_block(frm, self.shuf.get_last().unwrap(), 0, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
1648 } else if blk.btype.is_intra() {
1649 if blk.has_ac {
1650 vp_put_block(&mut blk.coeffs, bx, by, 0, frm);
1651 } else {
1652 vp_put_block_dc(&mut blk.coeffs, bx, by, 0, frm);
1653 }
1654 } else {
1655 if blk.has_ac {
1656 vp_add_block(&mut blk.coeffs, bx, by, 0, frm);
1657 } else {
1658 vp_add_block_dc(&mut blk.coeffs, bx, by, 0, frm);
1659 }
1660 }
1661 }
1662 }
1663 for plane in 1..3 {
1664 for by in 0..self.mb_h {
1665 for bx in 0..self.mb_w {
1666 let mut blk = biter.next().unwrap();
1667 let qmat = if blk.btype.is_intra() { &self.qmat_c } else { &self.qmat_c_p };
1668 blk.coeffs[0] *= qmat[0];
1669 if blk.has_ac {
1670 unquant(&mut blk.coeffs, qmat);
1671 }
1672 if !blk.coded {
1673 copy_block(frm, self.shuf.get_last().unwrap(), plane, bx * 8, by * 8, 0, 0, 8, 8, 0, 1, 0, VP3_INTERP_FUNCS);
1674 } else if blk.btype.is_intra() {
1675 if blk.has_ac {
1676 vp_put_block(&mut blk.coeffs, bx, by, plane, frm);
1677 } else {
1678 vp_put_block_dc(&mut blk.coeffs, bx, by, plane, frm);
1679 }
1680 } else {
1681 if blk.has_ac {
1682 vp_add_block(&mut blk.coeffs, bx, by, plane, frm);
1683 } else {
1684 vp_add_block_dc(&mut blk.coeffs, bx, by, plane, frm);
1685 }
1686 }
1687 }
1688 }
1689 }
1690 }
1691 fn vp31_loop_filter(&mut self, frm: &mut NASimpleVideoFrame<u8>) {
1692 let mut blk_idx = 0;
1693 let blk_w = self.mb_w * 2;
1694 for by in 0..self.mb_h*2 {
1695 for bx in 0..blk_w {
1696 let blk = &self.blocks[blk_idx + bx];
1697 if (bx > 0) && blk.coded {
1698 vp31_loop_filter_v(frm, bx * 8, by * 8, 0, self.loop_str);
1699 }
1700 if (by > 0) && blk.coded {
1701 vp31_loop_filter_h(frm, bx * 8, by * 8, 0, self.loop_str);
1702 }
1703 if (bx < blk_w - 1) && !self.blocks[blk_idx + bx + 1].coded {
1704 vp31_loop_filter_v(frm, bx * 8 + 8, by * 8, 0, self.loop_str);
1705 }
1706 if (by < self.mb_h * 2 - 1) && !self.blocks[blk_idx + bx + blk_w].coded {
1707 vp31_loop_filter_h(frm, bx * 8, by * 8 + 8, 0, self.loop_str);
1708 }
1709 }
1710 blk_idx += blk_w;
1711 }
1712 let blk_w = self.mb_w;
1713 for plane in 1..3 {
1714 for by in 0..self.mb_h {
1715 for bx in 0..self.mb_w {
1716 let blk = &self.blocks[blk_idx + bx];
1717 if (bx > 0) && blk.coded {
1718 vp31_loop_filter_v(frm, bx * 8, by * 8, plane, self.loop_str);
1719 }
1720 if (by > 0) && blk.coded {
1721 vp31_loop_filter_h(frm, bx * 8, by * 8, plane, self.loop_str);
1722 }
1723 if (bx < blk_w - 1) && !self.blocks[blk_idx + bx + 1].coded {
1724 vp31_loop_filter_v(frm, bx * 8 + 8, by * 8, plane, self.loop_str);
1725 }
1726 if (by < self.mb_h - 1) && !self.blocks[blk_idx + bx + blk_w].coded {
1727 vp31_loop_filter_h(frm, bx * 8, by * 8 + 8, plane, self.loop_str);
1728 }
1729 }
1730 blk_idx += blk_w;
1731 }
1732 }
1733 }
1734 fn generate_block_addr(&mut self) {
1735 let sb_w_y = (self.width + 31) >> 5;
1736 let sb_h_y = (self.height + 31) >> 5;
1737 let sb_w_c = ((self.width >> 1) + 31) >> 5;
1738 let sb_h_c = ((self.height >> 1) + 31) >> 5;
1739 self.y_sbs = sb_w_y * sb_h_y;
1740 let tot_sb = sb_w_y * sb_h_y + 2 * sb_w_c * sb_h_c;
1741 let tot_mb = self.mb_w * self.mb_h * 2 + ((self.mb_w + 1) & !1) * ((self.mb_h + 1) & !1) * 2;
1742 let bw = self.width >> 3;
1743 let bh = self.height >> 3;
1744 let tot_blk = bw * bh * 3 / 2;
1745 self.sb_info.resize(tot_sb, SBState::Uncoded);
1746 self.sb_blocks = Vec::with_capacity(tot_sb);
1747 self.mb_blocks = Vec::with_capacity(tot_mb);
1748 self.sb_mbs = Vec::with_capacity(tot_sb);
1749 self.blk_addr = Vec::with_capacity(tot_blk);
1750 self.blk_sub = Vec::with_capacity(tot_blk);
1751 self.y_blocks = bw * bh;
1752 let mut base_idx = 0;
1753 for plane in 0..3 {
1754 let w = if plane > 0 { self.width >> 1 } else { self.width };
1755 let h = if plane > 0 { self.height >> 1 } else { self.height };
1756 let sb_w = (w + 31) >> 5;
1757 let sb_h = (h + 31) >> 5;
1758 let blk_w = w >> 3;
1759 let blk_h = h >> 3;
1760 for y in 0..sb_h {
1761 for x in 0..sb_w {
1762 let mut nmbs = 0;
1763 for mb_no in 0..4 {
1764 let bx = x * 4 + HILBERT_ORDER[mb_no * 4][0];
1765 let by = y * 4 + HILBERT_ORDER[mb_no * 4][1];
1766 if (bx >= blk_w) || (by >= blk_h) { continue; }
1767 let mut nblocks = 0;
1768 for blk_no in 0..4 {
1769 let bx = x * 4 + HILBERT_ORDER[mb_no * 4 + blk_no][0];
1770 let by = y * 4 + HILBERT_ORDER[mb_no * 4 + blk_no][1];
1771 if (bx >= blk_w) || (by >= blk_h) { continue; }
1772 nblocks += 1;
1773 }
1774 self.mb_blocks.push(nblocks);
1775 nmbs += 1;
1776 }
1777 self.sb_mbs.push(nmbs);
1778
1779 let mut nblocks = 0;
1780 for blk_no in 0..16 {
1781 let bx = x * 4 + HILBERT_ORDER[blk_no][0];
1782 let by = y * 4 + HILBERT_ORDER[blk_no][1];
1783 if (bx >= blk_w) || (by >= blk_h) { continue; }
1784 let idx = base_idx + bx + by * blk_w;
1785 self.blk_addr.push(idx * 4 + plane);
1786 self.blk_sub.push(blk_no as u8);
1787 nblocks += 1;
1788 }
1789 self.sb_blocks.push(nblocks);
1790 }
1791 }
1792 base_idx += blk_w * blk_h;
1793 }
1794 self.blocks.resize(tot_blk, Block::new());
1795 self.mb_coded.resize(tot_mb, false);
1796 self.mb_partial.resize(tot_mb, false);
1797 }
1798 }
1799
1800 impl NADecoder for VP34Decoder {
1801 fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
1802 if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
1803 let fmt = YUV420_FORMAT;
1804 self.width = vinfo.get_width();
1805 self.height = vinfo.get_height();
1806 validate!(((self.width | self.height) & 15) == 0);
1807 self.mb_w = self.width >> 4;
1808 self.mb_h = self.height >> 4;
1809 let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, fmt));
1810 self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
1811 supp.pool_u8.set_dec_bufs(3);
1812 supp.pool_u8.prealloc_video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, fmt), 4)?;
1813
1814 self.generate_block_addr();
1815 if self.version == 4 {
1816 self.codes = Codes::VP31(VP31Codes::new_vp4());
1817 self.aux_codes = Some(VP40AuxCodes::new());
1818 }
1819 Ok(())
1820 } else {
1821 Err(DecoderError::InvalidData)
1822 }
1823 }
1824 fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
1825 let src = pkt.get_buffer();
1826 validate!(src.len() > 0);
1827 let mut br = BitReader::new(&src, src.len(), BitReaderMode::BE);
1828
1829 self.parse_header(&mut br)?;
1830 if self.is_intra {
1831 self.shuf.clear();
1832 } else {
1833 if !self.shuf.has_refs() {
1834 return Err(DecoderError::MissingReference);
1835 }
1836 }
1837
1838 let ret = supp.pool_u8.get_free();
1839 if ret.is_none() {
1840 return Err(DecoderError::AllocError);
1841 }
1842 let mut buf = ret.unwrap();
1843 let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap();
1844 match self.version {
1845 30 => self.decode_vp30(&mut br, &mut dframe)?,
1846 31 => self.decode_vp31(&mut br, &mut dframe)?,
1847 4 => self.decode_vp4(&mut br, &mut dframe)?,
1848 _ => return Err(DecoderError::Bug),
1849 }
1850
1851 if self.is_intra || self.update_gf {
1852 self.shuf.add_golden_frame(buf.clone());
1853 }
1854 self.shuf.add_frame(buf.clone());
1855
1856 let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf));
1857 frm.set_keyframe(self.is_intra);
1858 frm.set_frame_type(if self.is_intra { FrameType::I } else { FrameType::P });
1859 Ok(frm.into_ref())
1860 }
1861 fn flush(&mut self) {
1862 self.shuf.clear();
1863 }
1864 }
1865
1866 pub fn get_decoder_vp3() -> Box<NADecoder + Send> {
1867 Box::new(VP34Decoder::new(3))
1868 }
1869
1870 pub fn get_decoder_vp4() -> Box<NADecoder + Send> {
1871 Box::new(VP34Decoder::new(4))
1872 }
1873
1874 #[cfg(test)]
1875 mod test {
1876 use nihav_core::codecs::RegisteredDecoders;
1877 use nihav_core::demuxers::RegisteredDemuxers;
1878 use nihav_core::test::dec_video::*;
1879 use crate::codecs::duck_register_all_codecs;
1880 use nihav_commonfmt::demuxers::generic_register_all_demuxers;
1881
1882 #[test]
1883 fn test_vp30() {
1884 let mut dmx_reg = RegisteredDemuxers::new();
1885 generic_register_all_demuxers(&mut dmx_reg);
1886 let mut dec_reg = RegisteredDecoders::new();
1887 duck_register_all_codecs(&mut dec_reg);
1888
1889 test_decoding("avi", "vp3", "assets/Duck/vp30-logo.avi", Some(23), &dmx_reg, &dec_reg,
1890 ExpectedTestResult::MD5([0x51aba7df, 0x6e42534d, 0xef6c5b13, 0x26c38d1f]));
1891 }
1892
1893 #[test]
1894 fn test_vp31() {
1895 let mut dmx_reg = RegisteredDemuxers::new();
1896 generic_register_all_demuxers(&mut dmx_reg);
1897 let mut dec_reg = RegisteredDecoders::new();
1898 duck_register_all_codecs(&mut dec_reg);
1899
1900 // let file = "assets/Duck/vp31.avi";
1901 // let file = "assets/Duck/vp31_crash.avi";
1902 // let file = "assets/Duck/01-vp31-0500.avi";
1903 // test_file_decoding("avi", file, Some(3), true, false, None/*Some("vp31")*/, &dmx_reg, &dec_reg);
1904 //panic!("end");
1905 test_decoding("avi", "vp3", "assets/Duck/01-vp31-0500.avi", Some(16), &dmx_reg, &dec_reg,
1906 ExpectedTestResult::MD5([0x65112f7e, 0x2914f29b, 0x2908ed2f, 0xce5fc8c5]));
1907 }
1908
1909 #[test]
1910 fn test_vp4() {
1911 let mut dmx_reg = RegisteredDemuxers::new();
1912 generic_register_all_demuxers(&mut dmx_reg);
1913 let mut dec_reg = RegisteredDecoders::new();
1914 duck_register_all_codecs(&mut dec_reg);
1915
1916 test_decoding("avi", "vp3", "assets/Duck/ot171_vp40.avi", Some(86), &dmx_reg, &dec_reg,
1917 ExpectedTestResult::MD5([0xd41d8cd9, 0x8f00b204, 0xe9800998, 0xecf8427e]));
1918 }
1919 }
1920
1921 const HILBERT_ORDER: [[usize; 2]; 16] = [
1922 [ 0, 0 ], [ 1, 0 ], [ 1, 1 ], [ 0, 1 ],
1923 [ 0, 2 ], [ 0, 3 ], [ 1, 3 ], [ 1, 2 ],
1924 [ 2, 2 ], [ 2, 3 ], [ 3, 3 ], [ 3, 2 ],
1925 [ 3, 1 ], [ 2, 1 ], [ 2, 0 ], [ 3, 0 ]
1926 ];
1927
1928 const VP31_LOOP_STRENGTH: [i16; 64] = [
1929 30, 25, 20, 20, 15, 15, 14, 14,
1930 13, 13, 12, 12, 11, 11, 10, 10,
1931 9, 9, 8, 8, 7, 7, 7, 7,
1932 6, 6, 6, 6, 5, 5, 5, 5,
1933 4, 4, 4, 4, 3, 3, 3, 3,
1934 2, 2, 2, 2, 2, 2, 2, 2,
1935 0, 0, 0, 0, 0, 0, 0, 0,
1936 0, 0, 0, 0, 0, 0, 0, 0
1937 ];
1938
1939 const VP31_DEFAULT_MB_MODES: [VPMBType; 8] = [
1940 VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
1941 VPMBType::InterNear, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1942 ];
1943
1944 const VP31_MB_MODES: [[VPMBType; 8]; 6] = [
1945 [
1946 VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterMV, VPMBType::InterNoMV,
1947 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1948 ], [
1949 VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterNoMV, VPMBType::InterMV,
1950 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1951 ], [
1952 VPMBType::InterNearest, VPMBType::InterMV, VPMBType::InterNear, VPMBType::InterNoMV,
1953 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1954 ], [
1955 VPMBType::InterNearest, VPMBType::InterMV, VPMBType::InterNoMV, VPMBType::InterNear,
1956 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1957 ], [
1958 VPMBType::InterNoMV, VPMBType::InterNearest, VPMBType::InterNear, VPMBType::InterMV,
1959 VPMBType::Intra, VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
1960 ], [
1961 VPMBType::InterNoMV, VPMBType::GoldenNoMV, VPMBType::InterNearest, VPMBType::InterNear,
1962 VPMBType::InterMV, VPMBType::Intra, VPMBType::GoldenMV, VPMBType::InterFourMV
1963 ]
1964 ];
1965
1966 const VP3_LITERAL_BASE: [i16; 6] = [ 7, 9, 13, 21, 37, 69 ];
1967
1968 const VP31_AC_SCALES: [i16; 64] = [
1969 500, 450, 400, 370, 340, 310, 285, 265,
1970 245, 225, 210, 195, 185, 180, 170, 160,
1971 150, 145, 135, 130, 125, 115, 110, 107,
1972 100, 96, 93, 89, 85, 82, 75, 74,
1973 70, 68, 64, 60, 57, 56, 52, 50,
1974 49, 45, 44, 43, 40, 38, 37, 35,
1975 33, 32, 30, 29, 28, 25, 24, 22,
1976 21, 19, 18, 17, 15, 13, 12, 10
1977 ];
1978
1979 const VP31_DC_SCALES: [i16; 64] = [
1980 220, 200, 190, 180, 170, 170, 160, 160,
1981 150, 150, 140, 140, 130, 130, 120, 120,
1982 110, 110, 100, 100, 90, 90, 90, 80,
1983 80, 80, 70, 70, 70, 60, 60, 60,
1984 60, 50, 50, 50, 50, 40, 40, 40,
1985 40, 40, 30, 30, 30, 30, 30, 30,
1986 30, 20, 20, 20, 20, 20, 20, 20,
1987 20, 10, 10, 10, 10, 10, 10, 10
1988 ];
1989
1990 const VP3_QMAT_Y: &[i16; 64] = &[
1991 16, 11, 10, 16, 24, 40, 51, 61,
1992 12, 12, 14, 19, 26, 58, 60, 55,
1993 14, 13, 16, 24, 40, 57, 69, 56,
1994 14, 17, 22, 29, 51, 87, 80, 62,
1995 18, 22, 37, 58, 68, 109, 103, 77,
1996 24, 35, 55, 64, 81, 104, 113, 92,
1997 49, 64, 78, 87, 103, 121, 120, 101,
1998 72, 92, 95, 98, 112, 100, 103, 99
1999 ];
2000
2001 const VP3_QMAT_C: &[i16; 64] = &[
2002 17, 18, 24, 47, 99, 99, 99, 99,
2003 18, 21, 26, 66, 99, 99, 99, 99,
2004 24, 26, 56, 99, 99, 99, 99, 99,
2005 47, 66, 99, 99, 99, 99, 99, 99,
2006 99, 99, 99, 99, 99, 99, 99, 99,
2007 99, 99, 99, 99, 99, 99, 99, 99,
2008 99, 99, 99, 99, 99, 99, 99, 99,
2009 99, 99, 99, 99, 99, 99, 99, 99
2010 ];
2011
2012 const VP3_QMAT_INTER: &[i16; 64] = &[
2013 16, 16, 16, 20, 24, 28, 32, 40,
2014 16, 16, 20, 24, 28, 32, 40, 48,
2015 16, 20, 24, 28, 32, 40, 48, 64,
2016 20, 24, 28, 32, 40, 48, 64, 64,
2017 24, 28, 32, 40, 48, 64, 64, 64,
2018 28, 32, 40, 48, 64, 64, 64, 96,
2019 32, 40, 48, 64, 64, 64, 96, 128,
2020 40, 48, 64, 64, 64, 96, 128, 128
2021 ];
2022
2023 const VP31_DC_CODES: [[u16; 32]; 16] = [
2024 [
2025 0x002D, 0x0026, 0x0166, 0x004E, 0x02CE, 0x059E, 0x027D, 0x0008,
2026 0x04F9, 0x000F, 0x000E, 0x001B, 0x0006, 0x0008, 0x0005, 0x001A,
2027 0x0015, 0x0007, 0x000C, 0x0001, 0x0000, 0x0009, 0x0017, 0x0029,
2028 0x0028, 0x00B2, 0x04F8, 0x059F, 0x009E, 0x013F, 0x0012, 0x0058,
2029 ], [
2030 0x0010, 0x0047, 0x01FF, 0x008C, 0x03FC, 0x046A, 0x0469, 0x0022,
2031 0x11A1, 0x000E, 0x000D, 0x0004, 0x0005, 0x0009, 0x0006, 0x001E,
2032 0x0016, 0x0007, 0x000C, 0x0001, 0x0000, 0x000A, 0x0017, 0x007D,
2033 0x007E, 0x011B, 0x08D1, 0x03FD, 0x046B, 0x11A0, 0x007C, 0x00FE,
2034 ], [
2035 0x0016, 0x0020, 0x0086, 0x0087, 0x0367, 0x06CC, 0x06CB, 0x006E,
2036 0x366D, 0x000F, 0x000E, 0x0004, 0x0005, 0x000A, 0x0006, 0x001A,
2037 0x0011, 0x0007, 0x000C, 0x0001, 0x0000, 0x0009, 0x0017, 0x006F,
2038 0x006D, 0x0364, 0x0D9A, 0x06CA, 0x1B37, 0x366C, 0x0042, 0x00D8,
2039 ], [
2040 0x0000, 0x002D, 0x00F7, 0x0058, 0x0167, 0x02CB, 0x02CA, 0x000E,
2041 0x1661, 0x0003, 0x0002, 0x0008, 0x0009, 0x000D, 0x0002, 0x001F,
2042 0x0017, 0x0001, 0x000C, 0x000E, 0x000A, 0x0006, 0x0078, 0x000F,
2043 0x007A, 0x0164, 0x0599, 0x02CD, 0x0B31, 0x1660, 0x0079, 0x00F6,
2044 ], [
2045 0x0003, 0x003C, 0x000F, 0x007A, 0x001D, 0x0020, 0x0072, 0x0006,
2046 0x0399, 0x0004, 0x0005, 0x0005, 0x0006, 0x000E, 0x0004, 0x0000,
2047 0x0019, 0x0002, 0x000D, 0x0007, 0x001F, 0x0030, 0x0011, 0x0031,
2048 0x0005, 0x0021, 0x00E7, 0x0038, 0x01CD, 0x0398, 0x007B, 0x0009,
2049 ], [
2050 0x0009, 0x0002, 0x0074, 0x0007, 0x00EC, 0x00D1, 0x01A6, 0x0006,
2051 0x0D21, 0x0005, 0x0006, 0x0008, 0x0007, 0x000F, 0x0004, 0x0000,
2052 0x001C, 0x0002, 0x0005, 0x0003, 0x000C, 0x0035, 0x01A7, 0x001B,
2053 0x0077, 0x01A5, 0x0349, 0x00D0, 0x0691, 0x0D20, 0x0075, 0x00ED,
2054 ], [
2055 0x000A, 0x000C, 0x0012, 0x001B, 0x00B7, 0x016C, 0x0099, 0x005A,
2056 0x16D8, 0x0007, 0x0006, 0x0009, 0x0008, 0x0000, 0x0005, 0x0017,
2057 0x000E, 0x0002, 0x0003, 0x000F, 0x001A, 0x004D, 0x2DB3, 0x002C,
2058 0x0011, 0x02DA, 0x05B7, 0x0098, 0x0B6D, 0x2DB2, 0x0010, 0x0027,
2059 ], [
2060 0x000D, 0x000F, 0x001D, 0x0008, 0x0051, 0x0056, 0x00AF, 0x002A,
2061 0x148A, 0x0007, 0x0000, 0x0008, 0x0009, 0x000C, 0x0006, 0x0017,
2062 0x000B, 0x0016, 0x0015, 0x0009, 0x0050, 0x00AE, 0x2917, 0x001C,
2063 0x0014, 0x0290, 0x0523, 0x0149, 0x0A44, 0x2916, 0x0053, 0x00A5,
2064 ], [
2065 0x0001, 0x001D, 0x00F5, 0x00F4, 0x024D, 0x0499, 0x0498, 0x0001,
2066 0x0021, 0x0006, 0x0005, 0x0006, 0x0005, 0x0002, 0x0007, 0x0025,
2067 0x007B, 0x001C, 0x0020, 0x000D, 0x0048, 0x0092, 0x0127, 0x000E,
2068 0x0004, 0x0011, 0x000C, 0x003C, 0x000F, 0x0000, 0x001F, 0x0013,
2069 ], [
2070 0x0005, 0x003C, 0x0040, 0x000D, 0x0031, 0x0061, 0x0060, 0x0002,
2071 0x00F5, 0x0006, 0x0005, 0x0007, 0x0006, 0x0002, 0x0009, 0x0025,
2072 0x0007, 0x0021, 0x0024, 0x0010, 0x0041, 0x00F4, 0x0019, 0x000E,
2073 0x0003, 0x0011, 0x0011, 0x003F, 0x003E, 0x007B, 0x0000, 0x0013,
2074 ], [
2075 0x000A, 0x0007, 0x0001, 0x0009, 0x0131, 0x0261, 0x0260, 0x0015,
2076 0x0001, 0x0007, 0x0006, 0x0008, 0x0007, 0x0006, 0x0012, 0x002F,
2077 0x0014, 0x0027, 0x002D, 0x0016, 0x004D, 0x0099, 0x0000, 0x0004,
2078 0x0001, 0x0005, 0x0017, 0x002E, 0x002C, 0x0008, 0x0006, 0x0001,
2079 ], [
2080 0x0000, 0x000E, 0x0017, 0x002A, 0x0010, 0x00F9, 0x00F8, 0x001E,
2081 0x003F, 0x0007, 0x0006, 0x0009, 0x0008, 0x0006, 0x000F, 0x0005,
2082 0x0016, 0x0029, 0x002B, 0x0015, 0x0050, 0x0011, 0x007D, 0x0004,
2083 0x0017, 0x0006, 0x0014, 0x002C, 0x002D, 0x000E, 0x0009, 0x0051,
2084 ], [
2085 0x0002, 0x0018, 0x002F, 0x000D, 0x0053, 0x0295, 0x0294, 0x00A4,
2086 0x007C, 0x0000, 0x0007, 0x0009, 0x0008, 0x001B, 0x000C, 0x0028,
2087 0x006A, 0x001E, 0x001D, 0x0069, 0x00D7, 0x007D, 0x014B, 0x0019,
2088 0x0016, 0x002E, 0x001C, 0x002B, 0x002A, 0x0068, 0x003F, 0x00D6,
2089 ], [
2090 0x0002, 0x001B, 0x000C, 0x0018, 0x0029, 0x007F, 0x02F0, 0x0198,
2091 0x0179, 0x0000, 0x0007, 0x0009, 0x0008, 0x001A, 0x000D, 0x002A,
2092 0x0064, 0x001E, 0x0067, 0x005F, 0x00CD, 0x007E, 0x02F1, 0x0016,
2093 0x000E, 0x002E, 0x0065, 0x002B, 0x0028, 0x003E, 0x00BD, 0x0199,
2094 ], [
2095 0x0002, 0x0007, 0x0016, 0x0006, 0x0036, 0x005C, 0x015D, 0x015C,
2096 0x02BF, 0x0000, 0x0007, 0x0009, 0x0008, 0x0018, 0x0034, 0x002A,
2097 0x005E, 0x006A, 0x0064, 0x005D, 0x00CB, 0x00AD, 0x02BE, 0x0014,
2098 0x0033, 0x006E, 0x005F, 0x006F, 0x006B, 0x00CA, 0x00AC, 0x015E,
2099 ], [
2100 0x000F, 0x001D, 0x0018, 0x000B, 0x0019, 0x0029, 0x00D6, 0x0551,
2101 0x0AA1, 0x0001, 0x0000, 0x0009, 0x0008, 0x001B, 0x0038, 0x0028,
2102 0x0057, 0x006A, 0x0068, 0x0056, 0x00E5, 0x0155, 0x0AA0, 0x0073,
2103 0x0069, 0x00D7, 0x00AB, 0x00E4, 0x00A9, 0x0151, 0x0150, 0x02A9,
2104 ]
2105 ];
2106
2107 const VP31_DC_BITS: [[u8; 32]; 16] = [
2108 [
2109 6, 7, 9, 8, 10, 11, 11, 5, 12, 4, 4, 5, 4, 4, 4, 5,
2110 5, 4, 4, 3, 3, 4, 5, 6, 6, 8, 12, 11, 9, 10, 6, 7,
2111 ], [
2112 5, 7, 9, 8, 10, 11, 11, 6, 13, 4, 4, 4, 4, 4, 4, 5,
2113 5, 4, 4, 3, 3, 4, 5, 7, 7, 9, 12, 10, 11, 13, 7, 8,
2114 ], [
2115 5, 6, 8, 8, 10, 11, 11, 7, 14, 4, 4, 4, 4, 4, 4, 5,
2116 5, 4, 4, 3, 3, 4, 5, 7, 7, 10, 12, 11, 13, 14, 7, 8,
2117 ], [
2118 4, 6, 8, 7, 9, 10, 10, 6, 13, 3, 3, 4, 4, 4, 4, 5,
2119 5, 4, 4, 4, 4, 5, 7, 6, 7, 9, 11, 10, 12, 13, 7, 8,
2120 ], [
2121 4, 6, 7, 7, 8, 9, 10, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2122 5, 4, 4, 4, 5, 6, 8, 6, 6, 9, 11, 9, 12, 13, 7, 7,
2123 ], [
2124 4, 5, 7, 6, 8, 9, 10, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2125 5, 4, 4, 4, 5, 7, 10, 6, 7, 10, 11, 9, 12, 13, 7, 8,
2126 ], [
2127 4, 5, 6, 6, 8, 9, 9, 7, 13, 3, 3, 4, 4, 3, 4, 5,
2128 5, 4, 4, 5, 6, 8, 14, 6, 6, 10, 11, 9, 12, 14, 6, 7,
2129 ], [
2130 4, 5, 6, 5, 7, 8, 9, 7, 13, 3, 2, 4, 4, 4, 4, 5,
2131 5, 5, 5, 5, 7, 9, 14, 6, 6, 10, 11, 9, 12, 14, 7, 8,
2132 ], [
2133 4, 6, 8, 8, 10, 11, 11, 5, 6, 3, 3, 4, 4, 4, 5, 6,
2134 7, 6, 6, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 5, 5, 5,
2135 ], [
2136 4, 6, 7, 7, 9, 10, 10, 5, 8, 3, 3, 4, 4, 4, 5, 6,
2137 6, 6, 6, 6, 7, 8, 8, 4, 4, 5, 6, 6, 6, 7, 4, 5,
2138 ], [
2139 4, 5, 6, 6, 9, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 6,
2140 6, 6, 6, 6, 7, 8, 7, 4, 4, 5, 6, 6, 6, 6, 5, 5,
2141 ], [
2142 3, 5, 6, 6, 7, 10, 10, 7, 8, 3, 3, 4, 4, 4, 5, 5,
2143 6, 6, 6, 6, 7, 7, 9, 4, 5, 5, 6, 6, 6, 6, 6, 7,
2144 ], [
2145 3, 5, 6, 5, 7, 10, 10, 8, 8, 2, 3, 4, 4, 5, 5, 6,
2146 7, 6, 6, 7, 8, 8, 9, 5, 5, 6, 6, 6, 6, 7, 7, 8,
2147 ], [
2148 3, 5, 5, 5, 6, 8, 10, 9, 9, 2, 3, 4, 4, 5, 5, 6,
2149 7, 6, 7, 7, 8, 8, 10, 5, 5, 6, 7, 6, 6, 7, 8, 9,
2150 ], [
2151 3, 4, 5, 4, 6, 7, 9, 9, 10, 2, 3, 4, 4, 5, 6, 6,
2152 7, 7, 7, 7, 8, 8, 10, 5, 6, 7, 7, 7, 7, 8, 8, 9,
2153 ], [
2154 4, 5, 5, 4, 5, 6, 8, 11, 12, 2, 2, 4, 4, 5, 6, 6,
2155 7, 7, 7, 7, 8, 9, 12, 7, 7, 8, 8, 8, 8, 9, 9, 10,
2156 ]
2157 ];
2158
2159 const VP31_AC_CAT0_CODES: [[u16; 32]; 16] = [
2160 [
2161 0x0008, 0x0025, 0x017A, 0x02F7, 0x0BDB, 0x17B4, 0x2F6B, 0x001D,
2162 0x2F6A, 0x0008, 0x0007, 0x0001, 0x0002, 0x000A, 0x0006, 0x0000,
2163 0x001C, 0x0009, 0x000D, 0x000F, 0x000C, 0x0003, 0x000A, 0x0016,
2164 0x0013, 0x005D, 0x0024, 0x00BC, 0x005C, 0x05EC, 0x000B, 0x005F,
2165 ], [
2166 0x000F, 0x0010, 0x004B, 0x00C6, 0x031D, 0x0C71, 0x0C70, 0x0001,
2167 0x0C73, 0x0008, 0x0009, 0x0002, 0x0003, 0x000B, 0x0006, 0x0000,
2168 0x001C, 0x0005, 0x000D, 0x000F, 0x000A, 0x0019, 0x0013, 0x001D,
2169 0x0030, 0x0062, 0x0024, 0x004A, 0x018F, 0x0C72, 0x000E, 0x0011,
2170 ], [
2171 0x001B, 0x0003, 0x008D, 0x0040, 0x0239, 0x0471, 0x08E0, 0x0003,
2172 0x11C3, 0x000A, 0x0009, 0x0004, 0x0005, 0x000E, 0x0007, 0x0001,
2173 0x001E, 0x0006, 0x000C, 0x000B, 0x0002, 0x0000, 0x0041, 0x001F,
2174 0x0022, 0x0002, 0x008F, 0x008C, 0x011D, 0x11C2, 0x001A, 0x0021,
2175 ], [
2176 0x001F, 0x0003, 0x0003, 0x0043, 0x000B, 0x0015, 0x0051, 0x0003,
2177 0x0050, 0x000D, 0x000C, 0x0004, 0x0006, 0x000E, 0x000A, 0x0001,
2178 0x001E, 0x0005, 0x0009, 0x0007, 0x0011, 0x0002, 0x0004, 0x0002,
2179 0x002D, 0x0020, 0x0042, 0x0001, 0x0000, 0x0029, 0x0017, 0x002C,
2180 ], [
2181 0x0003, 0x001F, 0x003A, 0x005D, 0x0173, 0x02E4, 0x172D, 0x0004,
2182 0x172C, 0x000F, 0x000E, 0x0009, 0x0008, 0x000C, 0x000A, 0x0001,
2183 0x0016, 0x0002, 0x0005, 0x001A, 0x002F, 0x0038, 0x05CA, 0x0006,
2184 0x0037, 0x001E, 0x003B, 0x0039, 0x00B8, 0x0B97, 0x0000, 0x0036,
2185 ], [
2186 0x0006, 0x0037, 0x005D, 0x000C, 0x00B9, 0x02E3, 0x05C4, 0x0004,
2187 0x1715, 0x0000, 0x000F, 0x0008, 0x0007, 0x000C, 0x0009, 0x001D,
2188 0x0016, 0x001C, 0x001A, 0x000B, 0x005E, 0x0170, 0x1714, 0x000A,
2189 0x000A, 0x0036, 0x005F, 0x001B, 0x001A, 0x0B8B, 0x0002, 0x0007,
2190 ], [
2191 0x000C, 0x000B, 0x0079, 0x0022, 0x00F0, 0x0119, 0x0230, 0x001D,
2192 0x08C4, 0x0001, 0x0000, 0x000A, 0x0009, 0x000B, 0x0007, 0x001C,
2193 0x003D, 0x000D, 0x0008, 0x0015, 0x008D, 0x118B, 0x118A, 0x000D,
2194 0x0010, 0x0009, 0x0014, 0x0047, 0x00F1, 0x0463, 0x001F, 0x000C,
2195 ], [
2196 0x0000, 0x001A, 0x0033, 0x000C, 0x0046, 0x01E3, 0x03C5, 0x0017,
2197 0x1E21, 0x0002, 0x0001, 0x0009, 0x000A, 0x0007, 0x001B, 0x003D,
2198 0x001B, 0x0022, 0x0079, 0x00F0, 0x1E20, 0x1E23, 0x1E22, 0x000E,
2199 0x0016, 0x0018, 0x0032, 0x001A, 0x0047, 0x0789, 0x001F, 0x0010,
2200 ], [
2201 0x001D, 0x0061, 0x004E, 0x009E, 0x027C, 0x09F5, 0x09F4, 0x0003,
2202 0x0060, 0x0000, 0x000F, 0x000B, 0x000A, 0x0009, 0x0005, 0x000D,
2203 0x0031, 0x0008, 0x0038, 0x0012, 0x0026, 0x013F, 0x04FB, 0x000D,
2204 0x0002, 0x000C, 0x0039, 0x001C, 0x000F, 0x001D, 0x0008, 0x0019,
2205 ], [
2206 0x0007, 0x0019, 0x00AB, 0x00AA, 0x0119, 0x0461, 0x0460, 0x001B,
2207 0x0047, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0005, 0x000D,
2208 0x0035, 0x003D, 0x003C, 0x0018, 0x0022, 0x008D, 0x0231, 0x000E,
2209 0x001F, 0x0009, 0x002B, 0x0010, 0x0034, 0x0054, 0x0008, 0x0014,
2210 ], [
2211 0x000C, 0x0005, 0x0008, 0x005B, 0x004D, 0x0131, 0x0261, 0x001A,
2212 0x0012, 0x0000, 0x000F, 0x000A, 0x0009, 0x0006, 0x001B, 0x0006,
2213 0x001C, 0x002C, 0x0015, 0x005A, 0x0027, 0x0099, 0x0260, 0x000E,
2214 0x0004, 0x000F, 0x0007, 0x001D, 0x000B, 0x0014, 0x0008, 0x0017,
2215 ], [
2216 0x000F, 0x0013, 0x0075, 0x0024, 0x0095, 0x0251, 0x04A0, 0x0010,
2217 0x00C8, 0x0002, 0x0001, 0x0001, 0x0000, 0x001A, 0x0011, 0x002C,
2218 0x0065, 0x0074, 0x004B, 0x00C9, 0x0129, 0x0943, 0x0942, 0x0003,
2219 0x000A, 0x001C, 0x0018, 0x0033, 0x0017, 0x002D, 0x001B, 0x003B,
2220 ], [
2221 0x0003, 0x001A, 0x002D, 0x0038, 0x0028, 0x0395, 0x0E51, 0x0037,
2222 0x00E4, 0x0001, 0x0000, 0x001F, 0x001E, 0x0017, 0x003A, 0x0073,
2223 0x002A, 0x002B, 0x0029, 0x01CB, 0x0729, 0x1CA1, 0x1CA0, 0x0004,
2224 0x000A, 0x0004, 0x0018, 0x0036, 0x000B, 0x002C, 0x0019, 0x003B,
2225 ], [
2226 0x0004, 0x0004, 0x003F, 0x0017, 0x0075, 0x01F5, 0x07D1, 0x0017,
2227 0x01F6, 0x0001, 0x0000, 0x001B, 0x001A, 0x000A, 0x0032, 0x0074,
2228 0x00F8, 0x00F9, 0x01F7, 0x03E9, 0x0FA0, 0x1F43, 0x1F42, 0x0003,
2229 0x000A, 0x001E, 0x001C, 0x003B, 0x0018, 0x0016, 0x0016, 0x0033,
2230 ], [
2231 0x0004, 0x0007, 0x0018, 0x001E, 0x0036, 0x0031, 0x0177, 0x0077,
2232 0x0176, 0x0001, 0x0000, 0x001A, 0x0019, 0x003A, 0x0019, 0x005C,
2233 0x00BA, 0x0061, 0x00C1, 0x0180, 0x0302, 0x0607, 0x0606, 0x0002,
2234 0x000A, 0x001F, 0x001C, 0x0037, 0x0016, 0x0076, 0x000D, 0x002F,
2235 ], [
2236 0x0000, 0x000A, 0x001A, 0x000C, 0x001D, 0x0039, 0x0078, 0x005E,
2237 0x0393, 0x0002, 0x0001, 0x0016, 0x000F, 0x002E, 0x005F, 0x0073,
2238 0x00E5, 0x01C8, 0x0E4A, 0x1C97, 0x1C96, 0x0E49, 0x0E48, 0x0004,
2239 0x0006, 0x001F, 0x001B, 0x001D, 0x0038, 0x0038, 0x003D, 0x0079,
2240 ]
2241 ];
2242
2243 const VP31_AC_CAT0_BITS: [[u8; 32]; 16] = [
2244 [
2245 5, 7, 9, 10, 12, 13, 14, 5, 14, 4, 4, 4, 4, 4, 4, 4,
2246 5, 4, 4, 4, 4, 4, 5, 5, 6, 7, 7, 8, 7, 11, 5, 7,
2247 ], [
2248 5, 6, 8, 8, 10, 12, 12, 4, 12, 4, 4, 4, 4, 4, 4, 4,
2249 5, 4, 4, 4, 4, 5, 6, 5, 6, 7, 7, 8, 9, 12, 5, 6,
2250 ], [
2251 5, 6, 8, 7, 10, 11, 12, 4, 13, 4, 4, 4, 4, 4, 4, 4,
2252 5, 4, 4, 4, 4, 5, 7, 5, 6, 6, 8, 8, 9, 13, 5, 6,
2253 ], [
2254 5, 6, 7, 7, 9, 10, 12, 4, 12, 4, 4, 4, 4, 4, 4, 4,
2255 5, 4, 4, 4, 5, 6, 8, 4, 6, 6, 7, 7, 7, 11, 5, 6,
2256 ], [
2257 4, 6, 7, 7, 9, 10, 13, 4, 13, 4, 4, 4, 4, 4, 4, 4,
2258 5, 4, 4, 5, 6, 7, 11, 4, 6, 6, 7, 7, 8, 12, 4, 6,
2259 ], [
2260 4, 6, 7, 6, 8, 10, 11, 4, 13, 3, 4, 4, 4, 4, 4, 5,
2261 5, 5, 5, 5, 7, 9, 13, 4, 5, 6, 7, 7, 7, 12, 4, 5,
2262 ], [
2263 4, 5, 7, 6, 8, 9, 10, 5, 12, 3, 3, 4, 4, 4, 4, 5,
2264 6, 5, 5, 6, 8, 13, 13, 4, 5, 5, 6, 7, 8, 11, 5, 5,
2265 ], [
2266 3, 5, 6, 5, 7, 9, 10, 5, 13, 3, 3, 4, 4, 4, 5, 6,
2267 6, 6, 7, 8, 13, 13, 13, 4, 5, 5, 6, 6, 7, 11, 5, 5,
2268 ], [
2269 5, 7, 8, 9, 11, 13, 13, 4, 7, 3, 4, 4, 4, 4, 4, 5,
2270 6, 5, 6, 6, 7, 10, 12, 4, 4, 5, 6, 6, 5, 6, 4, 5,
2271 ], [
2272 4, 6, 8, 8, 10, 12, 12, 5, 8, 3, 3, 4, 4, 4, 4, 5,
2273 6, 6, 6, 6, 7, 9, 11, 4, 5, 5, 6, 6, 6, 7, 4, 5,
2274 ], [
2275 4, 5, 6, 7, 9, 11, 12, 5, 7, 3, 4, 4, 4, 4, 5, 5,
2276 6, 6, 6, 7, 8, 10, 12, 4, 4, 5, 5, 6, 5, 6, 4, 5,
2277 ], [
2278 4, 5, 7, 6, 8, 10, 11, 5, 8, 3, 3, 4, 4, 5, 5, 6,
2279 7, 7, 7, 8, 9, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6,
2280 ], [
2281 3, 5, 6, 6, 7, 10, 12, 6, 8, 3, 3, 5, 5, 5, 6, 7,
2282 7, 7, 7, 9, 11, 13, 13, 3, 4, 4, 5, 6, 5, 6, 5, 6,
2283 ], [
2284 3, 4, 6, 5, 7, 9, 11, 6, 9, 3, 3, 5, 5, 5, 6, 7,
2285 8, 8, 9, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6,
2286 ], [
2287 3, 4, 5, 5, 6, 7, 9, 7, 9, 3, 3, 5, 5, 6, 6, 7,
2288 8, 8, 9, 10, 11, 12, 12, 3, 4, 5, 5, 6, 5, 7, 5, 6,
2289 ], [
2290 3, 4, 5, 4, 5, 6, 7, 7, 11, 3, 3, 5, 5, 6, 7, 8,
2291 9, 10, 13, 14, 14, 13, 13, 3, 4, 5, 5, 6, 6, 7, 6, 7,
2292 ]
2293 ];
2294
2295 const VP31_AC_CAT1_CODES: [[u16; 32]; 16] = [
2296 [
2297 0x000B, 0x002B, 0x0054, 0x01B7, 0x06D9, 0x0DB1, 0x0DB0, 0x0002,
2298 0x00AB, 0x0009, 0x000A, 0x0007, 0x0008, 0x000F, 0x000C, 0x0003,
2299 0x001D, 0x0004, 0x000B, 0x0006, 0x001A, 0x0003, 0x00AA, 0x0001,
2300 0x0000, 0x0014, 0x006C, 0x00DA, 0x0002, 0x036D, 0x001C, 0x0037,
2301 ], [
2302 0x001D, 0x0004, 0x00B6, 0x006A, 0x05B9, 0x16E1, 0x16E0, 0x0007,
2303 0x016F, 0x000C, 0x000D, 0x0009, 0x0008, 0x000F, 0x000A, 0x0003,
2304 0x0017, 0x0002, 0x0004, 0x001C, 0x002C, 0x006B, 0x0B71, 0x0005,
2305 0x0003, 0x001B, 0x005A, 0x0034, 0x0005, 0x02DD, 0x0000, 0x000C,
2306 ], [
2307 0x0003, 0x007F, 0x00A1, 0x00A0, 0x020C, 0x0834, 0x106B, 0x0007,
2308 0x0082, 0x000E, 0x000D, 0x000B, 0x000C, 0x0000, 0x0009, 0x0002,
2309 0x0011, 0x001E, 0x0015, 0x003E, 0x0040, 0x041B, 0x106A, 0x0006,
2310 0x000A, 0x0029, 0x007E, 0x0051, 0x0021, 0x0107, 0x0004, 0x000B,
2311 ], [
2312 0x0007, 0x001B, 0x00F6, 0x00E9, 0x03A1, 0x0740, 0x0E82, 0x001F,
2313 0x01EF, 0x0001, 0x0002, 0x000B, 0x000C, 0x000D, 0x0008, 0x001C,
2314 0x0003, 0x0012, 0x0002, 0x0075, 0x01D1, 0x1D07, 0x1D06, 0x000A,
2315 0x0013, 0x003B, 0x001A, 0x007A, 0x003C, 0x01EE, 0x0000, 0x000C,
2316 ], [
2317 0x000D, 0x003D, 0x0042, 0x0037, 0x00D9, 0x0362, 0x06C6, 0x001F,
2318 0x0086, 0x0001, 0x0002, 0x000C, 0x000B, 0x000A, 0x0001, 0x000F,
2319 0x0025, 0x003C, 0x001A, 0x0087, 0x01B0, 0x0D8F, 0x0D8E, 0x000E,
2320 0x0013, 0x000C, 0x0024, 0x0020, 0x0011, 0x006D, 0x0000, 0x000E,
2321 ], [
2322 0x0000, 0x0012, 0x0076, 0x0077, 0x014D, 0x0533, 0x14C9, 0x0013,
2323 0x00A5, 0x0002, 0x0003, 0x000B, 0x000C, 0x0008, 0x001A, 0x002B,
2324 0x0075, 0x0074, 0x00A7, 0x0298, 0x14C8, 0x14CB, 0x14CA, 0x000F,
2325 0x001C, 0x0007, 0x002A, 0x0028, 0x001B, 0x00A4, 0x0002, 0x0006,
2326 ], [
2327 0x0002, 0x001A, 0x002B, 0x003A, 0x00ED, 0x0283, 0x0A0A, 0x0004,
2328 0x00A1, 0x0004, 0x0003, 0x000B, 0x000C, 0x001F, 0x0006, 0x0077,
2329 0x00A3, 0x00A2, 0x0140, 0x1417, 0x1416, 0x0A09, 0x0A08, 0x0000,
2330 0x001E, 0x0007, 0x002A, 0x0029, 0x001C, 0x00EC, 0x001B, 0x0005,
2331 ], [
2332 0x0002, 0x0002, 0x0018, 0x001D, 0x0035, 0x00E4, 0x01CF, 0x001D,
2333 0x0072, 0x0004, 0x0005, 0x0006, 0x0007, 0x0006, 0x0073, 0x0038,
2334 0x01CE, 0x039B, 0x0398, 0x0733, 0x0732, 0x0735, 0x0734, 0x0000,
2335 0x001F, 0x001B, 0x0034, 0x000F, 0x001E, 0x00E5, 0x0019, 0x0038,
2336 ], [
2337 0x0016, 0x0050, 0x0172, 0x02E7, 0x1732, 0x2E67, 0x2E66, 0x0006,
2338 0x0051, 0x0001, 0x0000, 0x000D, 0x000C, 0x0009, 0x001C, 0x0009,
2339 0x001C, 0x001D, 0x005D, 0x00B8, 0x05CD, 0x1731, 0x1730, 0x000F,
2340 0x0005, 0x000F, 0x0008, 0x0029, 0x001D, 0x002F, 0x0008, 0x0015,
2341 ], [
2342 0x0009, 0x0021, 0x0040, 0x00AD, 0x02B0, 0x1589, 0x1588, 0x001C,
2343 0x005F, 0x0000, 0x000F, 0x000D, 0x000C, 0x0006, 0x0011, 0x002A,
2344 0x0057, 0x005E, 0x0041, 0x0159, 0x0563, 0x158B, 0x158A, 0x0001,
2345 0x0005, 0x0014, 0x003B, 0x002E, 0x0004, 0x003A, 0x0007, 0x0016,
2346 ], [
2347 0x000E, 0x0007, 0x0046, 0x0045, 0x0064, 0x032A, 0x0657, 0x0018,
2348 0x000D, 0x0000, 0x000F, 0x000A, 0x000B, 0x001A, 0x0036, 0x0047,
2349 0x0044, 0x0018, 0x0033, 0x00CB, 0x0656, 0x0329, 0x0328, 0x0002,
2350 0x0006, 0x0019, 0x000E, 0x0037, 0x0009, 0x000F, 0x0002, 0x0010,
2351 ], [
2352 0x0003, 0x0018, 0x0023, 0x0077, 0x0194, 0x1956, 0x32AF, 0x003A,
2353 0x0076, 0x0002, 0x0001, 0x001F, 0x001E, 0x0014, 0x0022, 0x0064,
2354 0x0197, 0x0196, 0x032B, 0x0654, 0x32AE, 0x1955, 0x1954, 0x0000,
2355 0x0009, 0x001C, 0x0015, 0x0010, 0x000D, 0x0017, 0x0016, 0x0033,
2356 ], [
2357 0x0005, 0x0006, 0x003E, 0x0010, 0x0048, 0x093F, 0x24FA, 0x0032,
2358 0x0067, 0x0002, 0x0001, 0x001B, 0x001E, 0x0034, 0x0066, 0x0092,
2359 0x0126, 0x024E, 0x049E, 0x49F7, 0x49F6, 0x24F9, 0x24F8, 0x0000,
2360 0x0007, 0x0018, 0x0011, 0x003F, 0x000E, 0x0013, 0x0035, 0x0025,
2361 ], [
2362 0x0005, 0x0008, 0x0012, 0x001C, 0x001C, 0x00EA, 0x1D75, 0x001E,
2363 0x0066, 0x0001, 0x0002, 0x001B, 0x001A, 0x001F, 0x003B, 0x0074,
2364 0x01D6, 0x03AF, 0x1D74, 0x1D77, 0x1D76, 0x0EB9, 0x0EB8, 0x000F,
2365 0x0006, 0x0013, 0x003B, 0x003A, 0x0000, 0x0018, 0x0032, 0x0067,
2366 ], [
2367 0x0004, 0x000A, 0x001B, 0x000C, 0x000D, 0x00E6, 0x0684, 0x0072,
2368 0x00E7, 0x0002, 0x0001, 0x0017, 0x0016, 0x0018, 0x00D1, 0x01A0,
2369 0x0686, 0x0D0F, 0x0D0A, 0x1A17, 0x1A16, 0x1A1D, 0x1A1C, 0x000F,
2370 0x001D, 0x000E, 0x0035, 0x0038, 0x0000, 0x000F, 0x0019, 0x0069,
2371 ], [
2372 0x0003, 0x000C, 0x001B, 0x0000, 0x0003, 0x002E, 0x0051, 0x00BC,
2373 0x0053, 0x0004, 0x0002, 0x0016, 0x0015, 0x0015, 0x0050, 0x00A4,
2374 0x0294, 0x052B, 0x052A, 0x052D, 0x052C, 0x052F, 0x052E, 0x000E,
2375 0x001A, 0x0004, 0x0028, 0x0029, 0x000F, 0x000B, 0x005F, 0x00BD,
2376 ]
2377 ];
2378
2379 const VP31_AC_CAT1_BITS: [[u8; 32]; 16] = [
2380 [
2381 5, 7, 8, 9, 11, 12, 12, 4, 9, 4, 4, 4, 4, 4, 4, 4,
2382 5, 4, 4, 4, 5, 6, 9, 4, 5, 6, 7, 8, 6, 10, 5, 6,
2383 ], [
2384 5, 6, 8, 8, 11, 13, 13, 4, 9, 4, 4, 4, 4, 4, 4, 4,
2385 5, 4, 4, 5, 6, 8, 12, 4, 5, 6, 7, 7, 6, 10, 4, 5,
2386 ], [
2387 4, 7, 8, 8, 10, 12, 13, 4, 8, 4, 4, 4, 4, 3, 4, 4,
2388 5, 5, 5, 6, 7, 11, 13, 4, 5, 6, 7, 7, 6, 9, 4, 5,
2389 ], [
2390 4, 6, 8, 8, 10, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
2391 5, 5, 5, 7, 9, 13, 13, 4, 5, 6, 6, 7, 6, 9, 4, 5,
2392 ], [
2393 4, 6, 7, 7, 9, 11, 12, 5, 8, 3, 3, 4, 4, 4, 4, 5,
2394 6, 6, 6, 8, 10, 13, 13, 4, 5, 5, 6, 6, 5, 8, 4, 5,
2395 ], [
2396 3, 5, 7, 7, 9, 11, 13, 5, 8, 3, 3, 4, 4, 4, 5, 6,
2397 7, 7, 8, 10, 13, 13, 13, 4, 5, 5, 6, 6, 5, 8, 4, 5,
2398 ], [
2399 3, 5, 6, 6, 8, 10, 12, 5, 8, 3, 3, 4, 4, 5, 5, 7,
2400 8, 8, 9, 13, 13, 12, 12, 3, 5, 5, 6, 6, 5, 8, 5, 5,
2401 ], [
2402 3, 4, 5, 5, 6, 8, 11, 7, 9, 3, 3, 4, 4, 5, 7, 8,
2403 11, 12, 12, 13, 13, 13, 13, 3, 5, 5, 6, 6, 5, 8, 5, 6,
2404 ], [
2405 5, 7, 9, 10, 13, 14, 14, 4, 7, 3, 3, 4, 4, 4, 5, 5,
2406 6, 6, 7, 8, 11, 13, 13, 4, 4, 5, 5, 6, 5, 6, 4, 5,
2407 ], [
2408 4, 6, 7, 8, 10, 13, 13, 5, 7, 3, 4, 4, 4, 4, 5, 6,
2409 7, 7, 7, 9, 11, 13, 13, 3, 4, 5, 6, 6, 4, 6, 4, 5,
2410 ], [
2411 4, 5, 7, 7, 9, 12, 13, 5, 6, 3, 4, 4, 4, 5, 6, 7,
2412 7, 7, 8, 10, 13, 12, 12, 3, 4, 5, 5, 6, 4, 5, 4, 5,
2413 ], [
2414 3, 5, 6, 7, 9, 13, 14, 6, 7, 3, 3, 5, 5, 5, 6, 7,
2415 9, 9, 10, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6,
2416 ], [
2417 3, 4, 6, 5, 7, 12, 14, 6, 7, 3, 3, 5, 5, 6, 7, 8,
2418 9, 10, 11, 15, 15, 14, 14, 3, 4, 5, 5, 6, 4, 5, 6, 6,
2419 ], [
2420 3, 4, 5, 5, 6, 9, 14, 6, 7, 3, 3, 5, 5, 6, 7, 8,
2421 10, 11, 14, 14, 14, 13, 13, 4, 4, 5, 6, 6, 3, 5, 6, 7,
2422 ], [
2423 3, 4, 5, 4, 5, 8, 11, 7, 8, 3, 3, 5, 5, 6, 8, 9,
2424 11, 12, 12, 13, 13, 13, 13, 4, 5, 5, 6, 6, 3, 5, 6, 7,
2425 ], [
2426 3, 4, 5, 3, 4, 6, 9, 8, 9, 3, 3, 5, 5, 7, 9, 10,
2427 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 6, 7, 8,
2428 ]
2429 ];
2430
2431 const VP31_AC_CAT2_CODES: [[u16; 32]; 16] = [
2432 [
2433 0x0003, 0x0009, 0x00D0, 0x01A3, 0x0344, 0x0D14, 0x1A2B, 0x0004,
2434 0x0015, 0x0000, 0x000F, 0x000B, 0x000C, 0x000E, 0x0009, 0x001B,
2435 0x000A, 0x0014, 0x000D, 0x002A, 0x0014, 0x068B, 0x1A2A, 0x0008,
2436 0x000B, 0x002B, 0x000B, 0x0069, 0x0035, 0x0008, 0x0007, 0x000C,
2437 ], [
2438 0x000A, 0x003C, 0x0032, 0x0030, 0x00C5, 0x0621, 0x0620, 0x001F,
2439 0x0033, 0x0001, 0x0000, 0x000E, 0x000D, 0x000C, 0x0004, 0x000D,
2440 0x0026, 0x0027, 0x0014, 0x0063, 0x0189, 0x0623, 0x0622, 0x000B,
2441 0x0012, 0x003D, 0x0022, 0x0015, 0x000B, 0x0023, 0x0007, 0x0010,
2442 ], [
2443 0x000F, 0x000C, 0x0043, 0x0010, 0x0044, 0x0114, 0x0455, 0x0018,
2444 0x0023, 0x0001, 0x0000, 0x000E, 0x000D, 0x0009, 0x0019, 0x0009,
2445 0x0017, 0x0016, 0x0042, 0x008B, 0x0454, 0x0457, 0x0456, 0x000B,
2446 0x0015, 0x000A, 0x0029, 0x0020, 0x000D, 0x0028, 0x0007, 0x0011,
2447 ], [
2448 0x0001, 0x001A, 0x0029, 0x002A, 0x00A0, 0x0285, 0x1425, 0x0002,
2449 0x0000, 0x0002, 0x0003, 0x000C, 0x000B, 0x0008, 0x0012, 0x0001,
2450 0x0051, 0x0001, 0x0143, 0x0508, 0x1424, 0x1427, 0x1426, 0x000F,
2451 0x001C, 0x0003, 0x0037, 0x002B, 0x0013, 0x0036, 0x001D, 0x0001,
2452 ], [
2453 0x0004, 0x001F, 0x003D, 0x0006, 0x0016, 0x0053, 0x014A, 0x0034,
2454 0x002A, 0x0002, 0x0003, 0x000B, 0x000C, 0x001C, 0x0037, 0x0017,
2455 0x002B, 0x0028, 0x00A4, 0x052D, 0x052C, 0x052F, 0x052E, 0x0000,
2456 0x001D, 0x0007, 0x0004, 0x0035, 0x0014, 0x0036, 0x0015, 0x003C,
2457 ], [
2458 0x0004, 0x000A, 0x0007, 0x001D, 0x0009, 0x01F3, 0x07C7, 0x0008,
2459 0x01F0, 0x0003, 0x0002, 0x000D, 0x000C, 0x0017, 0x007D, 0x01F2,
2460 0x07C6, 0x07C5, 0x1F12, 0x3E27, 0x3E26, 0x1F11, 0x1F10, 0x0000,
2461 0x001E, 0x0006, 0x0039, 0x0038, 0x003F, 0x002C, 0x0005, 0x002D,
2462 ], [
2463 0x0002, 0x0007, 0x0018, 0x0003, 0x0005, 0x0035, 0x004F, 0x0012,
2464 0x04E5, 0x0005, 0x0004, 0x000D, 0x000E, 0x0033, 0x0026, 0x009D,
2465 0x04E4, 0x04E7, 0x04E6, 0x04E1, 0x04E0, 0x04E3, 0x04E2, 0x0000,
2466 0x001F, 0x000C, 0x003D, 0x003C, 0x0032, 0x0034, 0x001B, 0x0008,
2467 ], [
2468 0x0000, 0x0004, 0x001C, 0x000F, 0x0002, 0x0007, 0x0075, 0x00E8,
2469 0x1D2A, 0x0005, 0x0004, 0x000D, 0x000C, 0x0077, 0x0E96, 0x3A57,
2470 0x3A56, 0x3A5D, 0x3A5C, 0x3A5F, 0x3A5E, 0x1D29, 0x1D28, 0x0003,
2471 0x0006, 0x000A, 0x002C, 0x0017, 0x0076, 0x01D3, 0x03A4, 0x002D,
2472 ], [
2473 0x000A, 0x0024, 0x00BF, 0x0085, 0x0211, 0x0842, 0x1087, 0x0018,
2474 0x0020, 0x0001, 0x0002, 0x000E, 0x000D, 0x0007, 0x0013, 0x0025,
2475 0x005E, 0x0043, 0x00BE, 0x0109, 0x1086, 0x0841, 0x0840, 0x000F,
2476 0x0001, 0x0011, 0x0000, 0x002E, 0x0019, 0x0001, 0x0006, 0x0016,
2477 ], [
2478 0x0002, 0x000F, 0x006F, 0x0061, 0x0374, 0x1BA8, 0x3753, 0x0012,
2479 0x0036, 0x0000, 0x0001, 0x000A, 0x000B, 0x001A, 0x0031, 0x0060,
2480 0x00DC, 0x01BB, 0x06EB, 0x1BAB, 0x3752, 0x3755, 0x3754, 0x000E,
2481 0x0006, 0x0013, 0x000E, 0x003E, 0x0008, 0x001E, 0x0019, 0x003F,
2482 ], [
2483 0x0003, 0x001C, 0x0025, 0x0024, 0x01DA, 0x1DBD, 0x3B7C, 0x003C,
2484 0x003D, 0x0000, 0x0001, 0x000B, 0x000A, 0x000B, 0x0077, 0x00EC,
2485 0x03B6, 0x076E, 0x1DBF, 0x76FB, 0x76FA, 0x3B79, 0x3B78, 0x000D,
2486 0x001F, 0x0013, 0x000A, 0x0008, 0x000C, 0x0008, 0x0009, 0x003A,
2487 ], [
2488 0x0005, 0x0003, 0x0004, 0x0010, 0x008F, 0x0475, 0x11D1, 0x0079,
2489 0x0027, 0x0002, 0x0003, 0x0001, 0x0000, 0x0026, 0x0046, 0x011C,
2490 0x0477, 0x08ED, 0x11D0, 0x11D3, 0x11D2, 0x11D9, 0x11D8, 0x000D,
2491 0x001F, 0x0012, 0x0005, 0x003D, 0x000C, 0x000E, 0x0022, 0x0078,
2492 ], [
2493 0x0005, 0x000C, 0x001B, 0x0000, 0x0006, 0x03E2, 0x3E3D, 0x000F,
2494 0x0034, 0x0003, 0x0002, 0x001E, 0x001D, 0x007D, 0x01F0, 0x07C6,
2495 0x3E3C, 0x3E3F, 0x3E3E, 0x3E39, 0x3E38, 0x3E3B, 0x3E3A, 0x0008,
2496 0x001C, 0x0002, 0x003F, 0x0035, 0x0009, 0x0001, 0x000E, 0x00F9,
2497 ], [
2498 0x0004, 0x000B, 0x0001, 0x000A, 0x001E, 0x00E0, 0x0E1E, 0x0071,
2499 0x0039, 0x0007, 0x0006, 0x000D, 0x000C, 0x0020, 0x01C2, 0x1C3F,
2500 0x1C3E, 0x0E19, 0x0E18, 0x0E1B, 0x0E1A, 0x0E1D, 0x0E1C, 0x0000,
2501 0x0009, 0x001D, 0x001F, 0x0011, 0x0005, 0x0001, 0x0043, 0x0042,
2502 ], [
2503 0x0004, 0x000D, 0x0007, 0x0002, 0x0014, 0x016C, 0x16D1, 0x02DF,
2504 0x016E, 0x0000, 0x0007, 0x002C, 0x002B, 0x02DE, 0x16D0, 0x16D3,
2505 0x16D2, 0x2DB5, 0x2DB4, 0x2DB7, 0x2DB6, 0x16D9, 0x16D8, 0x000C,
2506 0x002A, 0x005A, 0x001B, 0x001A, 0x0017, 0x000C, 0x05B7, 0x05B5,
2507 ], [
2508 0x0002, 0x000F, 0x001C, 0x000C, 0x003B, 0x01AC, 0x1AD8, 0x35B3,
2509 0x35B2, 0x0001, 0x0000, 0x0069, 0x0068, 0x35BD, 0x35BC, 0x35BF,
2510 0x35BE, 0x35B9, 0x35B8, 0x35BB, 0x35BA, 0x35B5, 0x35B4, 0x01A9,
2511 0x01A8, 0x035A, 0x00D7, 0x00D5, 0x003A, 0x001B, 0x35B7, 0x35B6,
2512 ]
2513 ];
2514
2515 const VP31_AC_CAT2_BITS: [[u8; 32]; 16] = [
2516 [
2517 4, 6, 8, 9, 10, 12, 13, 4, 7, 3, 4, 4, 4, 4, 4, 5,
2518 5, 5, 5, 6, 7, 11, 13, 4, 5, 6, 6, 7, 6, 6, 4, 5,
2519 ], [
2520 4, 6, 7, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 4, 4, 5,
2521 6, 6, 6, 8, 10, 12, 12, 4, 5, 6, 6, 6, 5, 6, 4, 5,
2522 ], [
2523 4, 5, 7, 6, 8, 10, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
2524 6, 6, 7, 9, 12, 12, 12, 4, 5, 5, 6, 6, 5, 6, 4, 5,
2525 ], [
2526 3, 5, 6, 6, 8, 10, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
2527 7, 7, 9, 11, 13, 13, 13, 4, 5, 5, 6, 6, 5, 6, 5, 5,
2528 ], [
2529 3, 5, 6, 5, 7, 9, 11, 6, 8, 3, 3, 4, 4, 5, 6, 7,
2530 8, 8, 10, 13, 13, 13, 13, 3, 5, 5, 5, 6, 5, 6, 5, 6,
2531 ], [
2532 3, 4, 5, 5, 6, 9, 11, 6, 9, 3, 3, 4, 4, 5, 7, 9,
2533 11, 11, 13, 14, 14, 13, 13, 3, 5, 5, 6, 6, 6, 6, 5, 6,
2534 ], [
2535 3, 4, 5, 4, 5, 7, 9, 7, 13, 3, 3, 4, 4, 6, 8, 10,
2536 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 6, 6, 6, 7, 6, 6,
2537 ], [
2538 3, 4, 5, 4, 4, 5, 7, 8, 13, 3, 3, 4, 4, 7, 12, 14,
2539 14, 14, 14, 14, 14, 13, 13, 3, 5, 5, 7, 6, 7, 9, 10, 7,
2540 ], [
2541 4, 6, 8, 8, 10, 12, 13, 5, 6, 3, 3, 4, 4, 4, 5, 6,
2542 7, 7, 8, 9, 13, 12, 12, 4, 4, 5, 5, 6, 5, 5, 4, 5,
2543 ], [
2544 3, 5, 7, 7, 10, 13, 14, 5, 6, 3, 3, 4, 4, 5, 6, 7,
2545 8, 9, 11, 13, 14, 14, 14, 4, 4, 5, 5, 6, 4, 5, 5, 6,
2546 ], [
2547 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 4, 4, 5, 7, 8,
2548 10, 11, 13, 15, 15, 14, 14, 4, 5, 5, 5, 5, 4, 4, 5, 6,
2549 ], [
2550 3, 4, 5, 5, 8, 11, 13, 7, 6, 3, 3, 4, 4, 6, 7, 9,
2551 11, 12, 13, 13, 13, 13, 13, 4, 5, 5, 5, 6, 4, 4, 6, 7,
2552 ], [
2553 3, 4, 5, 4, 6, 10, 14, 7, 6, 3, 3, 5, 5, 7, 9, 11,
2554 14, 14, 14, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 3, 7, 8,
2555 ], [
2556 3, 4, 4, 4, 6, 9, 13, 8, 7, 3, 3, 5, 5, 7, 10, 14,
2557 14, 13, 13, 13, 13, 13, 13, 4, 5, 6, 6, 6, 4, 3, 8, 8,
2558 ], [
2559 3, 4, 4, 3, 5, 9, 13, 10, 9, 2, 3, 6, 6, 10, 13, 13,
2560 13, 14, 14, 14, 14, 13, 13, 5, 6, 7, 6, 6, 5, 4, 11, 11,
2561 ], [
2562 2, 4, 5, 4, 6, 9, 13, 14, 14, 2, 2, 7, 7, 14, 14, 14,
2563 14, 14, 14, 14, 14, 14, 14, 9, 9, 10, 8, 8, 6, 5, 14, 14,
2564 ]
2565 ];
2566
2567 const VP31_AC_CAT3_CODES: [[u16; 32]; 16] = [
2568 [
2569 0x0000, 0x0010, 0x0072, 0x0071, 0x0154, 0x0AAB, 0x0AA8, 0x0014,
2570 0x0070, 0x0002, 0x0003, 0x000C, 0x000B, 0x0003, 0x0011, 0x0073,
2571 0x0054, 0x00AB, 0x02AB, 0x1553, 0x1552, 0x1555, 0x1554, 0x000D,
2572 0x001E, 0x0012, 0x003E, 0x002B, 0x0002, 0x003F, 0x001D, 0x0013,
2573 ], [
2574 0x0003, 0x001F, 0x0029, 0x003D, 0x000C, 0x0069, 0x0345, 0x0002,
2575 0x0028, 0x0002, 0x0001, 0x000E, 0x000C, 0x0015, 0x0007, 0x001B,
2576 0x006B, 0x006A, 0x0344, 0x0347, 0x0346, 0x01A1, 0x01A0, 0x000B,
2577 0x001A, 0x0012, 0x0000, 0x003C, 0x0008, 0x001B, 0x0013, 0x0001,
2578 ], [
2579 0x0004, 0x0004, 0x003F, 0x0014, 0x0056, 0x015C, 0x15D5, 0x003C,
2580 0x002A, 0x0000, 0x0001, 0x000E, 0x000D, 0x000C, 0x00AF, 0x02BB,
2581 0x15D4, 0x15D7, 0x15D6, 0x15D1, 0x15D0, 0x15D3, 0x15D2, 0x000B,
2582 0x0019, 0x000D, 0x003E, 0x0031, 0x0007, 0x0005, 0x003D, 0x0030,
2583 ], [
2584 0x0005, 0x0008, 0x001A, 0x0000, 0x0036, 0x0011, 0x0106, 0x000A,
2585 0x006E, 0x0002, 0x0003, 0x0003, 0x0002, 0x006F, 0x0021, 0x020F,
2586 0x020E, 0x0101, 0x0100, 0x0103, 0x0102, 0x0105, 0x0104, 0x000C,
2587 0x001E, 0x0003, 0x003E, 0x003F, 0x0009, 0x000E, 0x000B, 0x0009,
2588 ], [
2589 0x0002, 0x000E, 0x001E, 0x000C, 0x001F, 0x006E, 0x00AD, 0x00AF,
2590 0x0014, 0x0004, 0x0003, 0x001A, 0x0017, 0x002A, 0x0576, 0x0AEF,
2591 0x0AEE, 0x0571, 0x0570, 0x0573, 0x0572, 0x0575, 0x0574, 0x0003,
2592 0x0016, 0x0004, 0x0036, 0x000B, 0x000A, 0x0000, 0x006F, 0x00AC,
2593 ], [
2594 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2595 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2596 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2597 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2598 ], [
2599 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2600 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2601 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2602 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2603 ], [
2604 0x0004, 0x0005, 0x0003, 0x0001, 0x0004, 0x002F, 0x0526, 0x1495,
2605 0x00A6, 0x0007, 0x0006, 0x002D, 0x002C, 0x1494, 0x1497, 0x1496,
2606 0x1491, 0x1490, 0x1493, 0x1492, 0x293D, 0x293C, 0x293F, 0x0000,
2607 0x0028, 0x00A5, 0x0148, 0x00A7, 0x002E, 0x0015, 0x0A4E, 0x293E,
2608 ], [
2609 0x0003, 0x0011, 0x0020, 0x0074, 0x010D, 0x0863, 0x0860, 0x000A,
2610 0x0075, 0x0001, 0x0000, 0x000B, 0x000A, 0x0018, 0x0038, 0x0042,
2611 0x010F, 0x010E, 0x0219, 0x10C3, 0x10C2, 0x10C5, 0x10C4, 0x000F,
2612 0x0004, 0x0019, 0x000B, 0x0039, 0x0009, 0x001B, 0x001A, 0x003B,
2613 ], [
2614 0x0005, 0x0001, 0x003E, 0x0001, 0x00E2, 0x1C6F, 0x38D9, 0x0039,
2615 0x001F, 0x0002, 0x0001, 0x0009, 0x0008, 0x0000, 0x0070, 0x01C7,
2616 0x038C, 0x071A, 0x38D8, 0x38DB, 0x38DA, 0x38DD, 0x38DC, 0x000D,
2617 0x001D, 0x000E, 0x003F, 0x003C, 0x000C, 0x0006, 0x003D, 0x001E,
2618 ], [
2619 0x0006, 0x000B, 0x0011, 0x001E, 0x0074, 0x03AA, 0x1D5C, 0x0001,
2620 0x0021, 0x0001, 0x0002, 0x0007, 0x0006, 0x003E, 0x00EB, 0x01D4,
2621 0x0EAF, 0x3ABB, 0x3ABA, 0x1D59, 0x1D58, 0x1D5B, 0x1D5A, 0x000A,
2622 0x001C, 0x0001, 0x003F, 0x003B, 0x0001, 0x0009, 0x0020, 0x0000,
2623 ], [
2624 0x0004, 0x000A, 0x0017, 0x0004, 0x0016, 0x016A, 0x16B1, 0x0017,
2625 0x005B, 0x0006, 0x0007, 0x0001, 0x0000, 0x000A, 0x02D7, 0x0B5A,
2626 0x16B0, 0x16B3, 0x16B2, 0x2D6D, 0x2D6C, 0x2D6F, 0x2D6E, 0x0006,
2627 0x000A, 0x0004, 0x002C, 0x0017, 0x0003, 0x0007, 0x0016, 0x00B4,
2628 ], [
2629 0x0005, 0x000D, 0x0005, 0x0009, 0x0033, 0x0193, 0x192C, 0x0061,
2630 0x0031, 0x0000, 0x0007, 0x0010, 0x0011, 0x00C8, 0x192F, 0x325B,
2631 0x325A, 0x1929, 0x1928, 0x192B, 0x192A, 0x325D, 0x325C, 0x0018,
2632 0x001A, 0x001B, 0x0065, 0x0019, 0x0004, 0x0007, 0x0060, 0x0324,
2633 ], [
2634 0x0006, 0x0000, 0x0002, 0x000F, 0x0039, 0x01D9, 0x1D82, 0x0761,
2635 0x03BE, 0x0001, 0x0002, 0x000F, 0x000E, 0x0762, 0x3B07, 0x3B06,
2636 0x3B1D, 0x3B1C, 0x3B1F, 0x3B1E, 0x3B19, 0x3B18, 0x3B1B, 0x0038,
2637 0x01DE, 0x00ED, 0x03BF, 0x00EE, 0x003A, 0x0006, 0x0EC0, 0x3B1A,
2638 ], [
2639 0x0000, 0x0002, 0x000F, 0x0006, 0x001C, 0x01D0, 0x0E8C, 0x1D1B,
2640 0x1D1A, 0x0003, 0x0002, 0x00EA, 0x00E9, 0x0E89, 0x0E88, 0x0E8B,
2641 0x0E8A, 0x1D65, 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x03AD,
2642 0x1D63, 0x1D62, 0x1D1D, 0x1D1C, 0x003B, 0x01D7, 0x1D1F, 0x1D1E,
2643 ], [
2644 0x0002, 0x000F, 0x001C, 0x000C, 0x003B, 0x01AC, 0x1AD8, 0x35B3,
2645 0x35B2, 0x0001, 0x0000, 0x0069, 0x0068, 0x35BD, 0x35BC, 0x35BF,
2646 0x35BE, 0x35B9, 0x35B8, 0x35BB, 0x35BA, 0x35B5, 0x35B4, 0x01A9,
2647 0x01A8, 0x035A, 0x00D7, 0x00D5, 0x003A, 0x001B, 0x35B7, 0x35B6,
2648 ]
2649 ];
2650
2651 const VP31_AC_CAT3_BITS: [[u8; 32]; 16] = [
2652 [
2653 3, 5, 7, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 7,
2654 7, 8, 10, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 6, 5, 5,
2655 ], [
2656 3, 5, 6, 6, 7, 10, 13, 5, 6, 3, 3, 4, 4, 5, 6, 8,
2657 10, 10, 13, 13, 13, 12, 12, 4, 5, 5, 5, 6, 4, 5, 5, 5,
2658 ], [
2659 3, 4, 6, 5, 7, 9, 13, 6, 6, 3, 3, 4, 4, 5, 8, 10,
2660 13, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2661 ], [
2662 3, 4, 5, 4, 6, 8, 12, 7, 7, 3, 3, 4, 4, 7, 9, 13,
2663 13, 12, 12, 12, 12, 12, 12, 4, 5, 5, 6, 6, 4, 4, 7, 7,
2664 ], [
2665 3, 4, 5, 4, 5, 7, 10, 10, 7, 3, 3, 5, 5, 8, 13, 14,
2666 14, 13, 13, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 3, 7, 10,
2667 ], [
2668 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2669 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2670 ], [
2671 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2672 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2673 ], [
2674 3, 4, 3, 3, 4, 6, 11, 13, 8, 3, 3, 6, 6, 13, 13, 13,
2675 13, 13, 13, 13, 14, 14, 14, 3, 6, 8, 9, 8, 6, 5, 12, 14,
2676 ], [
2677 3, 5, 6, 7, 9, 12, 12, 5, 7, 3, 3, 4, 4, 5, 6, 7,
2678 9, 9, 10, 13, 13, 13, 13, 4, 4, 5, 5, 6, 4, 5, 5, 6,
2679 ], [
2680 3, 4, 6, 5, 8, 13, 14, 6, 6, 3, 3, 4, 4, 5, 7, 9,
2681 10, 11, 14, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2682 ], [
2683 3, 4, 5, 5, 7, 10, 13, 6, 6, 3, 3, 4, 4, 6, 8, 9,
2684 12, 14, 14, 13, 13, 13, 13, 4, 5, 5, 6, 6, 4, 4, 6, 6,
2685 ], [
2686 3, 4, 5, 4, 6, 9, 13, 7, 7, 3, 3, 4, 4, 6, 10, 12,
2687 13, 13, 13, 14, 14, 14, 14, 4, 5, 5, 6, 6, 4, 4, 7, 8,
2688 ], [
2689 3, 4, 4, 4, 6, 9, 13, 8, 7, 2, 3, 5, 5, 8, 13, 14,
2690 14, 13, 13, 13, 13, 14, 14, 5, 6, 6, 7, 6, 4, 4, 8, 10,
2691 ], [
2692 3, 3, 4, 4, 6, 9, 13, 11, 10, 2, 2, 6, 6, 11, 14, 14,
2693 14, 14, 14, 14, 14, 14, 14, 6, 9, 8, 10, 8, 6, 5, 12, 14,
2694 ], [
2695 2, 3, 5, 4, 6, 10, 13, 14, 14, 2, 2, 9, 9, 13, 13, 13,
2696 13, 14, 14, 14, 14, 14, 14, 11, 14, 14, 14, 14, 7, 10, 14, 14,
2697 ], [
2698 2, 4, 5, 4, 6, 9, 13, 14, 14, 2, 2, 7, 7, 14, 14, 14,
2699 14, 14, 14, 14, 14, 14, 14, 9, 9, 10, 8, 8, 6, 5, 14, 14,
2700 ]
2701 ];
2702
2703 const VP31_DC_WEIGHTS: [[i16; 5]; 16] = [
2704 [ 0, 0, 0, 0, 0 ],
2705 [ 1, 0, 0, 0, 1 ],
2706 [ 0, 1, 0, 0, 1 ],
2707 [ 1, 0, 0, 0, 1 ],
2708
2709 [ 0, 0, 1, 0, 1 ],
2710 [ 1, 0, 1, 0, 2 ],
2711 [ 0, 0, 1, 0, 1 ],
2712 [ 29, -26, 29, 0, 32 ],
2713
2714 [ 0, 0, 0, 1, 1 ],
2715 [ 75, 0, 0, 53, 128 ],
2716 [ 0, 1, 0, 1, 2 ],
2717 [ 75, 0, 0, 53, 128 ],
2718
2719 [ 0, 0, 1, 0, 1 ],
2720 [ 75, 0, 0, 53, 128 ],
2721 [ 0, 3, 10, 3, 16 ],
2722 [ 29, -26, 29, 0, 32 ],
2723 ];
2724
2725 const VP30_DC_SCALES: [i16; 64] = [
2726 24, 20, 20, 20, 20, 20, 20, 20,
2727 19, 19, 19, 19, 18, 18, 18, 18,
2728 17, 17, 17, 17, 16, 16, 15, 15,
2729 14, 14, 13, 13, 12, 12, 11, 11,
2730 10, 10, 9, 9, 8, 8, 7, 7,
2731 6, 6, 6, 6, 5, 5, 5, 5,
2732 4, 4, 4, 4, 3, 3, 3, 3,
2733 2, 2, 2, 2, 1, 1, 1, 1
2734 ];
2735
2736 const VP30_AC_SCALES: [i16; 64] = [
2737 3000, 2500, 2000, 1500, 1200, 1000, 900, 800,
2738 750, 700, 650, 630, 600, 550, 500, 450,
2739 410, 380, 350, 320, 290, 260, 240, 220,
2740 200, 180, 165, 150, 140, 130, 120, 115,
2741 110, 100, 95, 90, 85, 80, 75, 70,
2742 67, 65, 63, 61, 57, 55, 53, 50,
2743 49, 46, 44, 42, 39, 36, 33, 30,
2744 27, 24, 21, 19, 17, 15, 12, 10
2745 ];
2746
2747 const VP30_DC_CODES: [[u16; 32]; 5] = [
2748 [
2749 0x0005, 0x002D, 0x0004, 0x0009, 0x0088, 0x0225, 0x0224, 0x0005,
2750 0x0011, 0x0007, 0x0006, 0x0009, 0x000A, 0x0007, 0x0017, 0x000C,
2751 0x002C, 0x0005, 0x0008, 0x0003, 0x0012, 0x0010, 0x0113, 0x0003,
2752 0x0010, 0x0000, 0x0013, 0x001A, 0x0023, 0x0045, 0x0001, 0x001B
2753 ], [
2754 0x000B, 0x0012, 0x0029, 0x0010, 0x000D, 0x00A2, 0x0020, 0x0009,
2755 0x0050, 0x0007, 0x0006, 0x0006, 0x0005, 0x0002, 0x0008, 0x0027,
2756 0x0005, 0x0022, 0x0023, 0x0057, 0x00A3, 0x0011, 0x0021, 0x0007,
2757 0x0000, 0x0009, 0x002A, 0x0003, 0x0007, 0x0026, 0x000C, 0x0056
2758 ], [
2759 0x000D, 0x0018, 0x0009, 0x0017, 0x0033, 0x0056, 0x00F7, 0x00F1,
2760 0x007A, 0x0000, 0x0007, 0x0009, 0x0008, 0x0005, 0x000D, 0x002D,
2761 0x0010, 0x001D, 0x001C, 0x0057, 0x00CB, 0x00F6, 0x00F0, 0x0014,
2762 0x000C, 0x002C, 0x0011, 0x001F, 0x002A, 0x0064, 0x00CA, 0x0079
2763 ], [
2764 0x000F, 0x001A, 0x0013, 0x001B, 0x003B, 0x0072, 0x01D3, 0x0707,
2765 0x0E0D, 0x0001, 0x0000, 0x000C, 0x000B, 0x0008, 0x0012, 0x002A,
2766 0x0073, 0x0028, 0x0075, 0x0056, 0x0052, 0x01C0, 0x0E0C, 0x0071,
2767 0x0057, 0x00E1, 0x00A6, 0x00E8, 0x00A7, 0x03A5, 0x03A4, 0x0382
2768 ], [
2769 0x000F, 0x001B, 0x0014, 0x001D, 0x0010, 0x0073, 0x00E2, 0x023C,
2770 0x11C9, 0x0001, 0x0000, 0x000C, 0x000B, 0x0009, 0x0015, 0x0035,
2771 0x0072, 0x0034, 0x0022, 0x0070, 0x0046, 0x011D, 0x11C8, 0x01C7,
2772 0x01C6, 0x0238, 0x047E, 0x023E, 0x0473, 0x08E5, 0x023D, 0x047F
2773 ]
2774 ];
2775 const VP30_DC_BITS: [[u8; 32]; 5] = [
2776 [
2777 4, 6, 6, 6, 8, 10, 10, 6, 7, 3, 3, 4, 4, 4, 5, 5,
2778 6, 5, 5, 5, 6, 7, 9, 4, 5, 5, 6, 6, 6, 7, 5, 6
2779 ], [
2780 4, 5, 6, 5, 6, 8, 9, 7, 7, 3, 3, 4, 4, 4, 5, 6,
2781 6, 6, 6, 7, 8, 8, 9, 4, 4, 5, 6, 5, 5, 6, 6, 7
2782 ], [
2783 4, 5, 5, 5, 6, 7, 9, 9, 8, 2, 3, 4, 4, 4, 5, 6,
2784 6, 6, 6, 7, 8, 9, 9, 5, 5, 6, 6, 6, 6, 7, 8, 8
2785 ], [
2786 4, 5, 5, 5, 6, 7, 9, 11, 12, 2, 2, 4, 4, 4, 5, 6,
2787 7, 6, 7, 7, 7, 9, 12, 7, 7, 8, 8, 8, 8, 10, 10, 10
2788 ], [
2789 4, 5, 5, 5, 5, 7, 8, 10, 13, 2, 2, 4, 4, 4, 5, 6,
2790 7, 6, 6, 7, 7, 9, 13, 9, 9, 10, 11, 10, 11, 12, 10, 11
2791 ]
2792 ];
2793 const VP30_AC_INTRA_CODES: [[u16; 32]; 5] = [
2794 [
2795 0x0008, 0x0033, 0x0008, 0x004B, 0x0089, 0x0221, 0x0220, 0x001F,
2796 0x0045, 0x0000, 0x000E, 0x000B, 0x000A, 0x000D, 0x0006, 0x001E,
2797 0x000A, 0x0018, 0x0013, 0x0005, 0x0009, 0x0046, 0x0111, 0x0007,
2798 0x000B, 0x0032, 0x0010, 0x004A, 0x0024, 0x0047, 0x0003, 0x0009
2799 ], [
2800 0x000E, 0x000E, 0x007B, 0x001E, 0x007E, 0x03EF, 0x07DD, 0x0018,
2801 0x00FA, 0x0002, 0x0000, 0x000A, 0x0008, 0x000B, 0x0003, 0x0012,
2802 0x0033, 0x000C, 0x003C, 0x001A, 0x007F, 0x01F6, 0x07DC, 0x000D,
2803 0x0013, 0x0004, 0x001B, 0x007A, 0x0032, 0x007C, 0x001F, 0x0005
2804 ], [
2805 0x0000, 0x0018, 0x0034, 0x000C, 0x006A, 0x01F9, 0x07EA, 0x0016,
2806 0x0FD7, 0x0002, 0x0001, 0x000A, 0x0009, 0x0007, 0x001B, 0x003E,
2807 0x0020, 0x0021, 0x006B, 0x01FB, 0x03F4, 0x1FAD, 0x1FAC, 0x000E,
2808 0x0019, 0x0011, 0x002F, 0x007F, 0x002E, 0x01F8, 0x001E, 0x000D
2809 ], [
2810 0x000E, 0x0016, 0x002E, 0x0003, 0x006E, 0x008B, 0x0113, 0x0018,
2811 0x0221, 0x0001, 0x0002, 0x000A, 0x0009, 0x0007, 0x001A, 0x0002,
2812 0x001B, 0x0023, 0x006F, 0x008A, 0x0111, 0x0441, 0x0440, 0x000F,
2813 0x0019, 0x0010, 0x0036, 0x001A, 0x002F, 0x0112, 0x0000, 0x000C
2814 ], [
2815 0x000E, 0x000F, 0x001B, 0x0033, 0x005A, 0x00B6, 0x0008, 0x001A,
2816 0x004D, 0x0001, 0x0002, 0x000A, 0x0009, 0x0008, 0x001B, 0x0003,
2817 0x002C, 0x002E, 0x0005, 0x00B7, 0x0027, 0x0099, 0x0098, 0x000F,
2818 0x0018, 0x000E, 0x002F, 0x001A, 0x0032, 0x0012, 0x0000, 0x000C
2819 ]
2820 ];
2821 const VP30_AC_INTRA_BITS: [[u8; 32]; 5] = [
2822 [
2823 4, 6, 6, 7, 9, 11, 11, 5, 8, 3, 4, 4, 4, 4, 4, 5,
2824 5, 5, 5, 5, 6, 8, 10, 4, 5, 6, 6, 7, 6, 8, 4, 5
2825 ], [
2826 4, 5, 7, 6, 8, 11, 12, 5, 9, 3, 3, 4, 4, 4, 4, 5,
2827 6, 5, 6, 6, 8, 10, 12, 4, 5, 5, 6, 7, 6, 8, 5, 5
2828 ], [
2829 3, 5, 6, 5, 7, 9, 11, 5, 12, 3, 3, 4, 4, 4, 5, 6,
2830 6, 6, 7, 9, 10, 13, 13, 4, 5, 5, 6, 7, 6, 9, 5, 5
2831 ], [
2832 4, 5, 6, 5, 7, 8, 9, 5, 10, 3, 3, 4, 4, 4, 5, 5,
2833 6, 6, 7, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 9, 4, 5
2834 ], [
2835 4, 5, 6, 6, 7, 8, 7, 5, 10, 3, 3, 4, 4, 4, 5, 5,
2836 6, 6, 6, 8, 9, 11, 11, 4, 5, 5, 6, 6, 6, 8, 4, 5
2837 ]
2838 ];
2839 const VP30_AC_INTER_CODES: [[u16; 32]; 5] = [
2840 [
2841 0x000D, 0x0038, 0x0061, 0x0060, 0x0393, 0x1C95, 0x1C94, 0x0014,
2842 0x0073, 0x0001, 0x0000, 0x000B, 0x0009, 0x001D, 0x000E, 0x0022,
2843 0x0046, 0x0047, 0x00E5, 0x01C8, 0x0724, 0x1C97, 0x1C96, 0x000F,
2844 0x0006, 0x0019, 0x000F, 0x0031, 0x0004, 0x0010, 0x0005, 0x0015
2845 ], [
2846 0x0004, 0x001B, 0x0030, 0x0034, 0x00D5, 0x06B3, 0x3595, 0x0031,
2847 0x001A, 0x0002, 0x0001, 0x001F, 0x001E, 0x000C, 0x001B, 0x00D7,
2848 0x00D4, 0x01AD, 0x0358, 0x0D64, 0x3594, 0x3597, 0x3596, 0x0000,
2849 0x000A, 0x001D, 0x0017, 0x0039, 0x0007, 0x0019, 0x0016, 0x0038
2850 ], [
2851 0x0005, 0x0009, 0x001A, 0x001E, 0x001F, 0x00E2, 0x038E, 0x0070,
2852 0x003B, 0x0001, 0x0000, 0x0019, 0x0018, 0x001E, 0x003A, 0x01C6,
2853 0x071E, 0x0E3E, 0x1C7E, 0x71FD, 0x71FC, 0x71FF, 0x71FE, 0x0002,
2854 0x0008, 0x001D, 0x001B, 0x0039, 0x001F, 0x000D, 0x000C, 0x001C
2855 ], [
2856 0x0003, 0x000B, 0x001C, 0x000D, 0x0004, 0x000A, 0x0076, 0x00E8,
2857 0x01DC, 0x0001, 0x0000, 0x0033, 0x0032, 0x00E9, 0x03BB, 0x0774,
2858 0x1DD5, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x3BA9, 0x3BA8, 0x0004,
2859 0x000A, 0x001F, 0x001E, 0x0030, 0x000B, 0x0075, 0x0031, 0x00EF
2860 ], [
2861 0x0009, 0x001E, 0x000F, 0x000E, 0x000C, 0x0008, 0x0001, 0x00E3,
2862 0x00E2, 0x0002, 0x0000, 0x003A, 0x0039, 0x0070, 0x01DC, 0x0776,
2863 0x0775, 0x0EEF, 0x0EE8, 0x1DD3, 0x1DD2, 0x1DDD, 0x1DDC, 0x0005,
2864 0x001F, 0x001B, 0x0006, 0x006A, 0x0034, 0x0076, 0x006B, 0x00EF
2865 ]
2866 ];
2867 const VP30_AC_INTER_BITS: [[u8; 32]; 5] = [
2868 [
2869 4, 6, 7, 7, 10, 13, 13, 5, 7, 3, 3, 4, 4, 5, 5, 6,
2870 7, 7, 8, 9, 11, 13, 13, 4, 4, 5, 5, 6, 4, 5, 4, 5
2871 ], [
2872 3, 5, 6, 6, 8, 11, 14, 6, 6, 3, 3, 5, 5, 5, 6, 8,
2873 8, 9, 10, 12, 14, 14, 14, 3, 4, 5, 5, 6, 4, 5, 5, 6
2874 ], [
2875 3, 4, 5, 5, 6, 8, 10, 7, 7, 3, 3, 5, 5, 6, 7, 9,
2876 11, 12, 13, 15, 15, 15, 15, 3, 4, 5, 5, 6, 5, 5, 5, 6
2877 ], [
2878 3, 4, 5, 4, 4, 5, 7, 8, 9, 3, 3, 6, 6, 8, 10, 11,
2879 13, 14, 14, 14, 14, 14, 14, 3, 4, 5, 5, 6, 5, 7, 6, 8
2880 ], [
2881 4, 5, 5, 4, 4, 4, 3, 9, 9, 3, 3, 7, 7, 8, 10, 12,
2882 12, 13, 13, 14, 14, 14, 14, 3, 5, 5, 4, 7, 6, 8, 7, 9
2883 ]
2884 ];
2885 const VP30_MBTYPE_CODES: [u8; 7] = [ 0x00, 0x08, 0x0A, 0x03, 0x0B, 0x13, 0x12 ];
2886 const VP30_MBTYPE_BITS: [u8; 7] = [ 1, 4, 4, 2, 4, 5, 5 ];
2887 const VP30_MBTYPE_SYMS: [VPMBType; 7] = [
2888 VPMBType::InterNoMV, VPMBType::Intra, VPMBType::InterMV, VPMBType::InterNearest,
2889 VPMBType::GoldenNoMV, VPMBType::GoldenMV, VPMBType::InterFourMV
2890 ];
2891
2892 const VP40_DC_CODES: [[u32; 32]; 16] = [
2893 [
2894 0x000C, 0x0070, 0x01CA, 0x01CB, 0x0391, 0x1C9B, 0x3935, 0x0071,
2895 0x3934, 0x000B, 0x000F, 0x0019, 0x0002, 0x0009, 0x0003, 0x001D,
2896 0x0018, 0x0007, 0x000D, 0x0002, 0x0000, 0x000A, 0x0008, 0x001A,
2897 0x0073, 0x006F, 0x0E4C, 0x0727, 0x0392, 0x0390, 0x0036, 0x006E
2898 ], [
2899 0x0011, 0x007A, 0x0083, 0x0040, 0x0105, 0x0413, 0x0410, 0x007B,
2900 0x0822, 0x000E, 0x0002, 0x0002, 0x0006, 0x000A, 0x0007, 0x001F,
2901 0x0017, 0x0009, 0x000D, 0x0000, 0x000C, 0x0003, 0x003C, 0x002C,
2902 0x0021, 0x0169, 0x0412, 0x02D0, 0x02D1, 0x0823, 0x005B, 0x00B5
2903 ], [
2904 0x0017, 0x0010, 0x00B6, 0x0022, 0x016A, 0x02D0, 0x0B48, 0x0077,
2905 0x1692, 0x0000, 0x0003, 0x0003, 0x0009, 0x000C, 0x0005, 0x0002,
2906 0x001C, 0x0008, 0x000D, 0x000F, 0x000A, 0x0009, 0x0023, 0x003A,
2907 0x002C, 0x016B, 0x05A5, 0x02D3, 0x02D1, 0x1693, 0x0076, 0x00B7
2908 ], [
2909 0x001E, 0x0013, 0x00FB, 0x007C, 0x0046, 0x07D6, 0x0FA9, 0x0012,
2910 0x1F50, 0x0001, 0x0004, 0x0005, 0x000A, 0x000E, 0x0007, 0x0000,
2911 0x0017, 0x0006, 0x000D, 0x000C, 0x0001, 0x002C, 0x008F, 0x003F,
2912 0x002D, 0x01F4, 0x07D5, 0x008E, 0x07D7, 0x1F51, 0x0010, 0x0022
2913 ], [
2914 0x0001, 0x002B, 0x0012, 0x0055, 0x0027, 0x03B0, 0x0762, 0x0077,
2915 0x0261, 0x0002, 0x0006, 0x0007, 0x000B, 0x000F, 0x0008, 0x0000,
2916 0x001C, 0x0003, 0x0009, 0x0006, 0x0014, 0x0054, 0x0131, 0x0005,
2917 0x003A, 0x01D9, 0x0099, 0x004D, 0x0763, 0x0260, 0x0008, 0x00ED
2918 ], [
2919 0x0004, 0x0033, 0x0060, 0x0065, 0x00C2, 0x030D, 0x0619, 0x0064,
2920 0x1862, 0x0004, 0x0007, 0x000A, 0x000B, 0x000D, 0x0006, 0x0000,
2921 0x000F, 0x0003, 0x0005, 0x0002, 0x0002, 0x0077, 0x0C30, 0x0003,
2922 0x0031, 0x0187, 0x01D9, 0x00ED, 0x01D8, 0x1863, 0x001C, 0x003A
2923 ], [
2924 0x0008, 0x000A, 0x006A, 0x0016, 0x001E, 0x034E, 0x069F, 0x0068,
2925 0x0D28, 0x0005, 0x0007, 0x0007, 0x000C, 0x0000, 0x0006, 0x001B,
2926 0x0012, 0x0002, 0x0004, 0x0013, 0x000E, 0x034B, 0x1A53, 0x0006,
2927 0x0017, 0x01A6, 0x069E, 0x01A4, 0x0695, 0x1A52, 0x006B, 0x001F
2928 ], [
2929 0x000E, 0x000F, 0x0017, 0x0025, 0x009F, 0x0138, 0x024B, 0x0093,
2930 0x092A, 0x0005, 0x0000, 0x0008, 0x000D, 0x000F, 0x0006, 0x0004,
2931 0x000E, 0x0019, 0x0018, 0x000A, 0x009E, 0x0494, 0x1256, 0x0026,
2932 0x0016, 0x0124, 0x04E5, 0x0273, 0x04E4, 0x1257, 0x0048, 0x009D
2933 ], [
2934 0x0004, 0x002C, 0x0050, 0x001E, 0x0071, 0x00E1, 0x00E0, 0x001D,
2935 0x0006, 0x0007, 0x0006, 0x0007, 0x0005, 0x0006, 0x0015, 0x0000,
2936 0x0029, 0x0002, 0x0006, 0x0001, 0x0023, 0x001F, 0x0039, 0x0009,
2937 0x0002, 0x0010, 0x0007, 0x002D, 0x002F, 0x002E, 0x0022, 0x0051
2938 ], [
2939 0x0008, 0x002F, 0x0051, 0x0050, 0x02ED, 0x05D9, 0x05D8, 0x00BA,
2940 0x005C, 0x0007, 0x0006, 0x0009, 0x0006, 0x0007, 0x0016, 0x0005,
2941 0x002B, 0x0006, 0x000A, 0x0001, 0x000F, 0x001D, 0x0177, 0x0004,
2942 0x0001, 0x0004, 0x0001, 0x002A, 0x000B, 0x0029, 0x0000, 0x001C
2943 ], [
2944 0x000A, 0x003C, 0x0074, 0x004E, 0x026D, 0x04D9, 0x04D8, 0x009A,
2945 0x004C, 0x0000, 0x0006, 0x0008, 0x0007, 0x0006, 0x0016, 0x0008,
2946 0x002E, 0x000A, 0x000B, 0x003D, 0x0024, 0x00EB, 0x0137, 0x001F,
2947 0x001C, 0x003B, 0x0012, 0x0025, 0x002F, 0x0013, 0x004F, 0x00EA
2948 ], [
2949 0x000A, 0x000A, 0x0003, 0x0016, 0x0009, 0x0021, 0x0020, 0x00B3,
2950 0x0058, 0x0007, 0x0006, 0x0007, 0x0006, 0x0004, 0x0013, 0x0002,
2951 0x0025, 0x0000, 0x0003, 0x002D, 0x005D, 0x00B2, 0x0011, 0x0008,
2952 0x0002, 0x0006, 0x0017, 0x002F, 0x0007, 0x0024, 0x005C, 0x0005
2953 ], [
2954 0x000B, 0x0013, 0x001F, 0x0031, 0x0021, 0x0295, 0x0528, 0x00A4,
2955 0x003C, 0x0000, 0x0007, 0x0006, 0x0005, 0x001B, 0x0012, 0x0032,
2956 0x001D, 0x002B, 0x0030, 0x001C, 0x003D, 0x014B, 0x0529, 0x0008,
2957 0x001A, 0x0033, 0x0011, 0x002A, 0x0009, 0x0028, 0x0053, 0x0020
2958 ], [
2959 0x000E, 0x0015, 0x0029, 0x003F, 0x004D, 0x02F1, 0x05E0, 0x0092,
2960 0x0048, 0x0000, 0x0006, 0x0006, 0x0005, 0x0004, 0x000F, 0x002E,
2961 0x001D, 0x0028, 0x0027, 0x005F, 0x00BD, 0x0179, 0x05E1, 0x0008,
2962 0x001E, 0x002D, 0x001C, 0x002C, 0x003E, 0x0025, 0x004C, 0x0093
2963 ], [
2964 0x000C, 0x0017, 0x0035, 0x0013, 0x0021, 0x00AD, 0x06F1, 0x01BD,
2965 0x00D9, 0x0000, 0x0007, 0x0007, 0x0006, 0x0004, 0x0011, 0x002A,
2966 0x006E, 0x0025, 0x0024, 0x0057, 0x00D8, 0x0379, 0x06F0, 0x0005,
2967 0x0016, 0x0029, 0x006D, 0x0028, 0x0034, 0x0020, 0x00DF, 0x00AC
2968 ], [
2969 0x0000, 0x001A, 0x0006, 0x0019, 0x0030, 0x005A, 0x018A, 0x02DD,
2970 0x018B, 0x0001, 0x0007, 0x000A, 0x0009, 0x0002, 0x0010, 0x002E,
2971 0x006E, 0x002C, 0x000E, 0x005E, 0x00C4, 0x05B9, 0x05B8, 0x0011,
2972 0x0036, 0x005F, 0x001E, 0x0063, 0x006F, 0x001F, 0x00B6, 0x016F
2973 ]
2974 ];
2975 const VP40_DC_BITS: [[u8; 32]; 16] = [
2976 [
2977 5, 7, 9, 9, 10, 13, 14, 7, 14, 4, 4, 5, 4, 4, 4, 5,
2978 5, 4, 4, 3, 3, 4, 4, 6, 7, 8, 12, 11, 10, 10, 7, 8
2979 ], [
2980 5, 7, 8, 7, 9, 11, 11, 7, 12, 4, 3, 4, 4, 4, 4, 5,
2981 5, 4, 4, 3, 4, 4, 6, 6, 6, 9, 11, 10, 10, 12, 7, 8
2982 ], [
2983 5, 6, 8, 7, 9, 10, 12, 7, 13, 3, 3, 4, 4, 4, 4, 4,
2984 5, 4, 4, 4, 4, 5, 7, 6, 6, 9, 11, 10, 10, 13, 7, 8
2985 ], [
2986 5, 6, 8, 7, 8, 11, 12, 6, 13, 3, 3, 4, 4, 4, 4, 4,
2987 5, 4, 4, 4, 4, 6, 9, 6, 6, 9, 11, 9, 11, 13, 6, 7
2988 ], [
2989 4, 6, 7, 7, 8, 10, 11, 7, 12, 3, 3, 4, 4, 4, 4, 4,
2990 5, 4, 4, 4, 5, 7, 11, 5, 6, 9, 10, 9, 11, 12, 6, 8
2991 ], [
2992 4, 6, 7, 7, 8, 10, 11, 7, 13, 3, 3, 4, 4, 4, 4, 4,
2993 5, 4, 4, 4, 5, 8, 12, 5, 6, 9, 10, 9, 10, 13, 6, 7
2994 ], [
2995 4, 5, 7, 6, 7, 10, 11, 7, 12, 3, 3, 4, 4, 3, 4, 5,
2996 5, 4, 4, 5, 6, 10, 13, 5, 6, 9, 11, 9, 11, 13, 7, 7
2997 ], [
2998 4, 5, 6, 6, 8, 9, 10, 8, 12, 3, 2, 4, 4, 4, 4, 4,
2999 5, 5, 5, 5, 8, 11, 13, 6, 6, 9, 11, 10, 11, 13, 7, 8
3000 ], [
3001 4, 6, 7, 7, 9, 10, 10, 7, 6, 3, 3, 4, 4, 4, 5, 5,
3002 6, 5, 5, 5, 6, 7, 8, 4, 4, 5, 6, 6, 6, 6, 6, 7
3003 ], [
3004 4, 6, 7, 7, 10, 11, 11, 8, 7, 3, 3, 4, 4, 4, 5, 5,
3005 6, 5, 5, 5, 6, 7, 9, 4, 4, 5, 6, 6, 5, 6, 6, 7
3006 ], [
3007 4, 6, 7, 7, 10, 11, 11, 8, 7, 2, 3, 4, 4, 4, 5, 5,
3008 6, 5, 5, 6, 6, 8, 9, 5, 5, 6, 6, 6, 6, 6, 7, 8
3009 ], [
3010 4, 5, 6, 6, 8, 10, 10, 8, 7, 3, 3, 4, 4, 4, 5, 5,
3011 6, 5, 5, 6, 7, 8, 9, 4, 4, 5, 6, 6, 5, 6, 7, 7
3012 ], [
3013 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 5, 5, 6,
3014 6, 6, 6, 6, 7, 9, 11, 4, 5, 6, 6, 6, 5, 6, 7, 7
3015 ], [
3016 4, 5, 6, 6, 7, 10, 11, 8, 7, 2, 3, 4, 4, 4, 5, 6,
3017 6, 6, 6, 7, 8, 9, 11, 4, 5, 6, 6, 6, 6, 6, 7, 8
3018 ], [
3019 4, 5, 6, 5, 6, 8, 11, 9, 8, 2, 3, 4, 4, 4, 5, 6,
3020 7, 6, 6, 7, 8, 10, 11, 4, 5, 6, 7, 6, 6, 6, 8, 8
3021 ], [
3022 3, 5, 5, 5, 6, 7, 9, 10, 9, 2, 3, 4, 4, 4, 5, 6,
3023 7, 6, 6, 7, 8, 11, 11, 5, 6, 7, 7, 7, 7, 7, 8, 9
3024 ]
3025 ];
3026 const VP40_AC_CAT0_CODES: [[u32; 32]; 16] = [
3027 [
3028 0x0006, 0x001E, 0x01CC, 0x01CE, 0x0734, 0x1CD5, 0x1CD4, 0x0018,
3029 0x0E6B, 0x0000, 0x000F, 0x0006, 0x0007, 0x000D, 0x0008, 0x0002,
3030 0x0019, 0x0005, 0x000B, 0x000A, 0x001D, 0x0027, 0x01CF, 0x0004,
3031 0x0038, 0x000E, 0x004C, 0x001F, 0x004D, 0x039B, 0x0012, 0x0072
3032 ], [
3033 0x0009, 0x004B, 0x0090, 0x0091, 0x0745, 0x1D11, 0x1D10, 0x0019,
3034 0x0E89, 0x0000, 0x000F, 0x0008, 0x0007, 0x000D, 0x000B, 0x0002,
3035 0x001C, 0x0003, 0x000A, 0x0005, 0x0018, 0x0010, 0x01D0, 0x0006,
3036 0x003B, 0x0011, 0x004A, 0x0049, 0x00E9, 0x03A3, 0x0013, 0x0075
3037 ], [
3038 0x0019, 0x0074, 0x001D, 0x00EA, 0x0073, 0x01CA, 0x0396, 0x001C,
3039 0x00E4, 0x0002, 0x0001, 0x0007, 0x0008, 0x000D, 0x0009, 0x001F,
3040 0x0018, 0x0000, 0x0006, 0x001E, 0x003B, 0x00EB, 0x0397, 0x000A,
3041 0x0002, 0x002C, 0x005B, 0x005A, 0x000F, 0x0038, 0x0017, 0x0006
3042 ], [
3043 0x001E, 0x006F, 0x00AE, 0x00AF, 0x0187, 0x061B, 0x0C35, 0x001A,
3044 0x030C, 0x0002, 0x0001, 0x0007, 0x0008, 0x000E, 0x0009, 0x001F,
3045 0x0014, 0x0000, 0x0001, 0x0019, 0x002A, 0x0060, 0x0C34, 0x000B,
3046 0x000D, 0x0036, 0x006E, 0x0056, 0x0031, 0x00C2, 0x0018, 0x0019
3047 ], [
3048 0x0001, 0x002C, 0x0005, 0x0015, 0x0008, 0x0097, 0x012D, 0x0017,
3049 0x004A, 0x0003, 0x0002, 0x0009, 0x000A, 0x000E, 0x0008, 0x001F,
3050 0x0007, 0x001E, 0x001B, 0x0004, 0x005A, 0x0024, 0x012C, 0x000C,
3051 0x0006, 0x0000, 0x0003, 0x005B, 0x0014, 0x0013, 0x001A, 0x000B
3052 ], [
3053 0x0004, 0x0000, 0x0017, 0x0063, 0x018B, 0x0310, 0x0C44, 0x0019,
3054 0x0623, 0x0004, 0x0003, 0x000A, 0x000B, 0x000D, 0x0003, 0x001C,
3055 0x0003, 0x000A, 0x0004, 0x0003, 0x018A, 0x188B, 0x188A, 0x000F,
3056 0x000B, 0x0002, 0x000A, 0x0002, 0x0016, 0x0189, 0x001D, 0x0030
3057 ], [
3058 0x000D, 0x0003, 0x0077, 0x000D, 0x0082, 0x020D, 0x0830, 0x0019,
3059 0x0419, 0x0003, 0x0002, 0x000A, 0x0009, 0x000B, 0x0002, 0x0011,
3060 0x0039, 0x0002, 0x0021, 0x0040, 0x1063, 0x20C5, 0x20C4, 0x000F,
3061 0x0018, 0x0007, 0x0038, 0x000C, 0x0076, 0x0107, 0x0000, 0x003A
3062 ], [
3063 0x000F, 0x001C, 0x0036, 0x0008, 0x0061, 0x0091, 0x0243, 0x0009,
3064 0x0120, 0x0005, 0x0003, 0x0008, 0x0005, 0x0001, 0x0013, 0x0031,
3065 0x0076, 0x0060, 0x0093, 0x0909, 0x0908, 0x090B, 0x090A, 0x0001,
3066 0x001A, 0x0019, 0x003A, 0x0025, 0x0077, 0x0092, 0x0000, 0x0037
3067 ], [
3068 0x001F, 0x0079, 0x00F1, 0x00F0, 0x011B, 0x0469, 0x0468, 0x003B,
3069 0x0022, 0x0005, 0x0004, 0x0007, 0x0005, 0x0006, 0x001C, 0x0001,
3070 0x0035, 0x003D, 0x003A, 0x0010, 0x0047, 0x008C, 0x0235, 0x0001,
3071 0x0001, 0x0019, 0x0000, 0x0030, 0x0009, 0x0031, 0x001B, 0x0034
3072 ], [
3073 0x0003, 0x001B, 0x00F3, 0x00FD, 0x03C9, 0x0F20, 0x1E42, 0x003D,
3074 0x00FC, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
3075 0x001A, 0x0039, 0x002B, 0x0078, 0x01E5, 0x0791, 0x1E43, 0x0002,
3076 0x0007, 0x001D, 0x000C, 0x0038, 0x0014, 0x007F, 0x0016, 0x002A
3077 ], [
3078 0x0007, 0x0039, 0x0051, 0x0078, 0x03CB, 0x0F29, 0x1E51, 0x003D,
3079 0x00F3, 0x0006, 0x0004, 0x0002, 0x0000, 0x0001, 0x0017, 0x003E,
3080 0x007F, 0x002B, 0x007E, 0x0050, 0x01E4, 0x0795, 0x1E50, 0x0002,
3081 0x0006, 0x001D, 0x0006, 0x0038, 0x0007, 0x0029, 0x0016, 0x002A
3082 ], [
3083 0x0008, 0x003B, 0x001D, 0x0072, 0x01CC, 0x0734, 0x1CD5, 0x003A,
3084 0x001C, 0x0006, 0x0005, 0x0002, 0x0001, 0x0000, 0x0012, 0x003E,
3085 0x007F, 0x001E, 0x007E, 0x00E7, 0x039B, 0x0E6B, 0x1CD4, 0x0002,
3086 0x0006, 0x001E, 0x000E, 0x0038, 0x0006, 0x000F, 0x0013, 0x001F
3087 ], [
3088 0x000D, 0x003F, 0x0073, 0x000C, 0x00E4, 0x072B, 0x0E54, 0x003A,
3089 0x001A, 0x0005, 0x0004, 0x0002, 0x0001, 0x0000, 0x0007, 0x0038,
3090 0x0076, 0x0077, 0x001B, 0x01CB, 0x0394, 0x1CAB, 0x1CAA, 0x0002,
3091 0x0006, 0x001E, 0x000E, 0x003E, 0x0019, 0x001F, 0x0018, 0x001E
3092 ], [
3093 0x000E, 0x0007, 0x000C, 0x001C, 0x00BD, 0x02F3, 0x0BC9, 0x001F,
3094 0x00BF, 0x0006, 0x0004, 0x0002, 0x0001, 0x001E, 0x0001, 0x000D,
3095 0x003A, 0x003B, 0x00BE, 0x0178, 0x05E5, 0x1791, 0x1790, 0x0002,
3096 0x0006, 0x001F, 0x0016, 0x0000, 0x0015, 0x002E, 0x0014, 0x001E
3097 ], [
3098 0x0000, 0x001B, 0x0031, 0x003A, 0x0060, 0x006F, 0x01B9, 0x000E,
3099 0x001A, 0x0005, 0x0003, 0x0002, 0x001F, 0x001A, 0x0039, 0x000C,
3100 0x00C3, 0x00C2, 0x0036, 0x00DD, 0x0370, 0x06E3, 0x06E2, 0x0002,
3101 0x0008, 0x001E, 0x0019, 0x003B, 0x0012, 0x000F, 0x0013, 0x0038
3102 ], [
3103 0x0002, 0x0000, 0x0003, 0x001C, 0x0032, 0x001C, 0x0199, 0x0004,
3104 0x00CD, 0x0004, 0x0003, 0x001B, 0x001A, 0x003D, 0x0067, 0x003B,
3105 0x0198, 0x0075, 0x00E9, 0x03A1, 0x03A0, 0x03A3, 0x03A2, 0x0005,
3106 0x0002, 0x001F, 0x001D, 0x003C, 0x0018, 0x000F, 0x0006, 0x0005
3107 ]
3108 ];
3109 const VP40_AC_CAT0_BITS: [[u8; 32]; 16] = [
3110 [
3111 5, 7, 9, 9, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
3112 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 7, 10, 5, 7
3113 ], [
3114 5, 7, 8, 8, 11, 13, 13, 5, 12, 3, 4, 4, 4, 4, 4, 4,
3115 5, 4, 4, 4, 5, 6, 9, 4, 6, 6, 7, 7, 8, 10, 5, 7
3116 ], [
3117 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3118 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
3119 ], [
3120 5, 7, 8, 8, 10, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3121 5, 4, 4, 5, 6, 8, 13, 4, 5, 6, 7, 7, 7, 9, 5, 6
3122 ], [
3123 4, 6, 7, 7, 8, 12, 13, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3124 5, 5, 5, 5, 7, 10, 13, 4, 5, 5, 6, 7, 7, 9, 5, 6
3125 ], [
3126 4, 5, 7, 7, 9, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3127 5, 5, 5, 6, 9, 13, 13, 4, 5, 5, 6, 6, 7, 9, 5, 6
3128 ], [
3129 4, 5, 7, 6, 8, 10, 12, 5, 11, 3, 3, 4, 4, 4, 4, 5,
3130 6, 5, 6, 7, 13, 14, 14, 4, 5, 5, 6, 6, 7, 9, 4, 6
3131 ], [
3132 4, 5, 6, 5, 7, 8, 10, 5, 9, 3, 3, 4, 4, 4, 5, 6,
3133 7, 7, 8, 12, 12, 12, 12, 3, 5, 5, 6, 6, 7, 8, 4, 6
3134 ], [
3135 5, 7, 8, 8, 10, 12, 12, 6, 7, 3, 3, 4, 4, 4, 5, 5,
3136 6, 6, 6, 6, 8, 9, 11, 3, 4, 5, 5, 6, 5, 6, 5, 6
3137 ], [
3138 4, 6, 8, 8, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
3139 6, 6, 6, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 7, 5, 6
3140 ], [
3141 4, 6, 7, 7, 10, 12, 13, 6, 8, 3, 3, 4, 4, 4, 5, 6,
3142 7, 6, 7, 7, 9, 11, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3143 ], [
3144 4, 6, 7, 7, 9, 11, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3145 7, 6, 7, 8, 10, 12, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3146 ], [
3147 4, 6, 7, 6, 8, 11, 12, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3148 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3149 ], [
3150 4, 5, 6, 6, 8, 10, 12, 6, 8, 3, 3, 4, 4, 5, 5, 6,
3151 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 5, 5, 6, 5, 6
3152 ], [
3153 3, 5, 6, 6, 7, 9, 11, 6, 7, 3, 3, 4, 5, 5, 6, 6,
3154 8, 8, 8, 10, 12, 13, 13, 3, 4, 5, 5, 6, 5, 6, 5, 6
3155 ], [
3156 3, 4, 5, 5, 6, 7, 9, 6, 8, 3, 3, 5, 5, 6, 7, 8,
3157 9, 9, 10, 12, 12, 12, 12, 3, 4, 5, 5, 6, 5, 6, 5, 6
3158 ]
3159 ];
3160 const VP40_AC_CAT1_CODES: [[u32; 32]; 16] = [
3161 [
3162 0x0004, 0x00F5, 0x0182, 0x060F, 0x1839, 0x1838, 0x183B, 0x0013,
3163 0x00C0, 0x0003, 0x0002, 0x000B, 0x000A, 0x000E, 0x0008, 0x0001,
3164 0x0012, 0x001F, 0x0000, 0x0006, 0x007B, 0x0306, 0x183A, 0x000D,
3165 0x0007, 0x0031, 0x000A, 0x0061, 0x003C, 0x00F4, 0x0019, 0x000B
3166 ], [
3167 0x000A, 0x001A, 0x01D8, 0x03B3, 0x0ECA, 0x1D96, 0x3B2F, 0x0014,
3168 0x0036, 0x0004, 0x0003, 0x000C, 0x000B, 0x0000, 0x0004, 0x001C,
3169 0x0005, 0x0015, 0x0007, 0x0017, 0x0037, 0x0764, 0x3B2E, 0x000F,
3170 0x001A, 0x003A, 0x000C, 0x0077, 0x0004, 0x00ED, 0x001B, 0x0016
3171 ], [
3172 0x001A, 0x002D, 0x0058, 0x01F4, 0x07D4, 0x1F55, 0x1F54, 0x0014,
3173 0x0059, 0x0004, 0x0003, 0x000B, 0x000C, 0x000E, 0x0004, 0x0015,
3174 0x0005, 0x0007, 0x0004, 0x007C, 0x03EB, 0x1F57, 0x1F56, 0x0000,
3175 0x001B, 0x003F, 0x000D, 0x000C, 0x000A, 0x00FB, 0x001E, 0x0017
3176 ], [
3177 0x0000, 0x0075, 0x004A, 0x0097, 0x025B, 0x0969, 0x0968, 0x000B,
3178 0x00E8, 0x0005, 0x0004, 0x0007, 0x000C, 0x000D, 0x0001, 0x000A,
3179 0x0039, 0x003B, 0x0018, 0x00E9, 0x012C, 0x096B, 0x096A, 0x0001,
3180 0x001F, 0x0008, 0x0019, 0x0013, 0x000D, 0x0024, 0x001E, 0x0038
3181 ], [
3182 0x0004, 0x0014, 0x006E, 0x0057, 0x0159, 0x0562, 0x0AC7, 0x000B,
3183 0x006F, 0x0006, 0x0005, 0x0008, 0x0009, 0x0007, 0x001E, 0x0002,
3184 0x0007, 0x0006, 0x002A, 0x00AD, 0x0AC6, 0x0561, 0x0560, 0x0001,
3185 0x001F, 0x000C, 0x0039, 0x001A, 0x0000, 0x0036, 0x001D, 0x0038
3186 ], [
3187 0x0007, 0x001B, 0x000E, 0x000D, 0x03E1, 0x1F06, 0x3E0F, 0x0002,
3188 0x00F9, 0x0005, 0x0006, 0x0008, 0x0009, 0x0004, 0x000C, 0x001A,
3189 0x000F, 0x000C, 0x01F1, 0x07C0, 0x3E0E, 0x1F05, 0x1F04, 0x0001,
3190 0x0000, 0x001C, 0x003F, 0x003D, 0x0005, 0x007D, 0x001D, 0x003C
3191 ], [
3192 0x000F, 0x000A, 0x0071, 0x0006, 0x01C2, 0x0702, 0x1C0E, 0x0002,
3193 0x000E, 0x0005, 0x0004, 0x0006, 0x0007, 0x001D, 0x0017, 0x000F,
3194 0x01C3, 0x01C1, 0x0380, 0x381F, 0x381E, 0x1C0D, 0x1C0C, 0x0001,
3195 0x0004, 0x0018, 0x0001, 0x0000, 0x000D, 0x0016, 0x0019, 0x0039
3196 ], [
3197 0x0002, 0x001E, 0x003B, 0x000D, 0x0061, 0x01FA, 0x1FB5, 0x0031,
3198 0x00FC, 0x0004, 0x0005, 0x0001, 0x0007, 0x003A, 0x0060, 0x03F7,
3199 0x07EC, 0x1FB7, 0x3F6C, 0x7EDB, 0x7EDA, 0x3F69, 0x3F68, 0x0001,
3200 0x0000, 0x0019, 0x003E, 0x0039, 0x000D, 0x0038, 0x000C, 0x007F
3201 ], [
3202 0x001E, 0x0070, 0x0127, 0x0126, 0x0492, 0x124D, 0x124C, 0x0001,
3203 0x007F, 0x0006, 0x0005, 0x0005, 0x0004, 0x0001, 0x0007, 0x0025,
3204 0x0071, 0x007E, 0x0048, 0x0125, 0x0248, 0x124F, 0x124E, 0x0003,
3205 0x0008, 0x001D, 0x0006, 0x003E, 0x0002, 0x0000, 0x0013, 0x0039
3206 ], [
3207 0x0001, 0x0001, 0x00E7, 0x0091, 0x0240, 0x120D, 0x120C, 0x003C,
3208 0x0000, 0x0006, 0x0005, 0x0005, 0x0004, 0x001F, 0x0004, 0x0025,
3209 0x0072, 0x0049, 0x00E6, 0x0121, 0x0482, 0x120F, 0x120E, 0x0003,
3210 0x0008, 0x001D, 0x0005, 0x003D, 0x0003, 0x0001, 0x0013, 0x0038
3211 ], [
3212 0x0004, 0x000F, 0x00F4, 0x005B, 0x02D3, 0x0B4A, 0x1697, 0x003C,
3213 0x000E, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x0000, 0x007B,
3214 0x002C, 0x00F5, 0x00B5, 0x0168, 0x1696, 0x0B49, 0x0B48, 0x0003,
3215 0x0009, 0x001F, 0x000A, 0x0001, 0x0008, 0x0006, 0x001C, 0x0017
3216 ], [
3217 0x0008, 0x0039, 0x001A, 0x0003, 0x00DB, 0x06D6, 0x0DAF, 0x003C,
3218 0x000C, 0x0006, 0x0005, 0x0002, 0x0001, 0x001D, 0x003D, 0x0000,
3219 0x0002, 0x0037, 0x006C, 0x01B4, 0x0DAE, 0x06D5, 0x06D4, 0x0002,
3220 0x0007, 0x001F, 0x0007, 0x0001, 0x0009, 0x000D, 0x000C, 0x0038
3221 ], [
3222 0x000F, 0x0004, 0x002F, 0x002E, 0x0054, 0x0555, 0x0554, 0x0016,
3223 0x000E, 0x0006, 0x0005, 0x0001, 0x0000, 0x0009, 0x000B, 0x0014,
3224 0x0057, 0x0056, 0x00AB, 0x0557, 0x0556, 0x02A9, 0x02A8, 0x0003,
3225 0x0008, 0x0013, 0x000A, 0x0008, 0x000E, 0x0012, 0x0006, 0x000F
3226 ], [
3227 0x0001, 0x000E, 0x0006, 0x0004, 0x00DA, 0x0DBE, 0x1B7E, 0x0007,
3228 0x001A, 0x0005, 0x0004, 0x001C, 0x001B, 0x003A, 0x0037, 0x006C,
3229 0x01B6, 0x036E, 0x0DBD, 0x36FF, 0x36FE, 0x1B79, 0x1B78, 0x0002,
3230 0x000C, 0x0000, 0x000F, 0x000C, 0x000F, 0x001A, 0x003B, 0x0005
3231 ], [
3232 0x0005, 0x001E, 0x003A, 0x003E, 0x00FC, 0x0FD7, 0x3F55, 0x0077,
3233 0x0030, 0x0003, 0x0004, 0x001A, 0x0019, 0x007F, 0x01FB, 0x03F4,
3234 0x0FD6, 0x1FA9, 0x3F54, 0x3F57, 0x3F56, 0x3F51, 0x3F50, 0x0001,
3235 0x0004, 0x001C, 0x000B, 0x000A, 0x0000, 0x001B, 0x0031, 0x0076
3236 ], [
3237 0x0005, 0x000C, 0x001B, 0x0008, 0x0038, 0x0015, 0x00A3, 0x00E6,
3238 0x0004, 0x0001, 0x0002, 0x0012, 0x0003, 0x000B, 0x0029, 0x00A0,
3239 0x0142, 0x0287, 0x0286, 0x0289, 0x0288, 0x028B, 0x028A, 0x000F,
3240 0x001D, 0x0013, 0x0001, 0x0000, 0x0003, 0x001A, 0x0072, 0x00E7
3241 ]
3242 ];
3243 const VP40_AC_CAT1_BITS: [[u8; 32]; 16] = [
3244 [
3245 5, 8, 9, 11, 13, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 4,
3246 5, 5, 4, 5, 7, 10, 13, 4, 5, 6, 6, 7, 6, 8, 5, 6
3247 ], [
3248 5, 7, 9, 10, 12, 13, 14, 5, 8, 3, 3, 4, 4, 3, 4, 5,
3249 5, 5, 5, 6, 8, 11, 14, 4, 5, 6, 6, 7, 5, 8, 5, 6
3250 ], [
3251 5, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
3252 5, 5, 5, 7, 10, 13, 13, 3, 5, 6, 6, 6, 5, 8, 5, 6
3253 ], [
3254 4, 7, 8, 9, 11, 13, 13, 5, 8, 3, 3, 4, 4, 4, 4, 5,
3255 6, 6, 6, 8, 10, 13, 13, 3, 5, 5, 6, 6, 5, 7, 5, 6
3256 ], [
3257 4, 6, 8, 8, 10, 12, 13, 5, 8, 3, 3, 4, 4, 4, 5, 5,
3258 6, 6, 7, 9, 13, 12, 12, 3, 5, 5, 6, 6, 4, 7, 5, 6
3259 ], [
3260 4, 6, 7, 7, 10, 13, 14, 5, 8, 3, 3, 4, 4, 4, 5, 6,
3261 7, 7, 9, 11, 14, 13, 13, 3, 4, 5, 6, 6, 4, 7, 5, 6
3262 ], [
3263 4, 5, 7, 6, 9, 11, 13, 5, 7, 3, 3, 4, 4, 5, 6, 7,
3264 9, 9, 10, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 6, 5, 6
3265 ], [
3266 3, 5, 6, 5, 7, 9, 13, 6, 8, 3, 3, 4, 4, 6, 7, 10,
3267 11, 13, 14, 15, 15, 14, 14, 3, 4, 5, 6, 6, 4, 6, 5, 7
3268 ], [
3269 5, 7, 9, 9, 11, 13, 13, 5, 7, 3, 3, 4, 4, 4, 5, 6,
3270 7, 7, 7, 9, 10, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
3271 ], [
3272 4, 6, 8, 8, 10, 13, 13, 6, 6, 3, 3, 4, 4, 5, 5, 6,
3273 7, 7, 8, 9, 11, 13, 13, 3, 4, 5, 5, 6, 4, 5, 5, 6
3274 ], [
3275 4, 6, 8, 8, 11, 13, 14, 6, 6, 3, 3, 4, 4, 5, 5, 7,
3276 7, 8, 9, 10, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
3277 ], [
3278 4, 6, 7, 7, 10, 13, 14, 6, 6, 3, 3, 4, 4, 5, 6, 6,
3279 7, 8, 9, 11, 14, 13, 13, 3, 4, 5, 5, 5, 4, 5, 5, 6
3280 ], [
3281 4, 5, 7, 7, 9, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
3282 9, 9, 10, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3283 ], [
3284 3, 5, 6, 6, 9, 13, 14, 6, 6, 3, 3, 5, 5, 6, 7, 8,
3285 10, 11, 13, 15, 15, 14, 14, 3, 4, 4, 5, 5, 4, 5, 6, 6
3286 ], [
3287 3, 5, 6, 6, 8, 12, 14, 7, 6, 3, 3, 5, 5, 7, 9, 10,
3288 12, 13, 14, 14, 14, 14, 14, 3, 4, 5, 5, 5, 3, 5, 6, 7
3289 ], [
3290 3, 4, 5, 4, 6, 8, 11, 8, 6, 3, 3, 5, 5, 7, 9, 11,
3291 12, 13, 13, 13, 13, 13, 13, 4, 5, 5, 5, 5, 3, 5, 7, 8
3292 ]
3293 ];
3294 const VP40_AC_CAT2_CODES: [[u32; 32]; 16] = [
3295 [
3296 0x0009, 0x0015, 0x0028, 0x0052, 0x029A, 0x0537, 0x0536, 0x000A,
3297 0x0054, 0x0004, 0x0003, 0x000C, 0x000B, 0x000D, 0x0003, 0x0014,
3298 0x003A, 0x0004, 0x0038, 0x0055, 0x00A7, 0x0299, 0x0298, 0x0000,
3299 0x001E, 0x0008, 0x002B, 0x000B, 0x000B, 0x003B, 0x001F, 0x0039
3300 ], [
3301 0x001D, 0x002F, 0x0002, 0x0007, 0x0019, 0x0035, 0x0034, 0x0009,
3302 0x002E, 0x0006, 0x0005, 0x0009, 0x0008, 0x0007, 0x001F, 0x0008,
3303 0x0018, 0x0019, 0x0001, 0x0000, 0x0018, 0x0037, 0x0036, 0x0001,
3304 0x0001, 0x000A, 0x0039, 0x0016, 0x000D, 0x0001, 0x001E, 0x0038
3305 ], [
3306 0x0001, 0x0071, 0x00E0, 0x01C3, 0x0708, 0x1C26, 0x384F, 0x0001,
3307 0x0031, 0x0006, 0x0005, 0x0009, 0x0008, 0x0005, 0x000F, 0x0039,
3308 0x0077, 0x0076, 0x0030, 0x0385, 0x384E, 0x1C25, 0x1C24, 0x0001,
3309 0x0004, 0x000D, 0x0000, 0x0019, 0x001F, 0x000E, 0x001E, 0x003A
3310 ], [
3311 0x0006, 0x000C, 0x00D6, 0x007B, 0x01E8, 0x07A4, 0x0F4B, 0x0036,
3312 0x006A, 0x0007, 0x0005, 0x0008, 0x0009, 0x0001, 0x0007, 0x000D,
3313 0x003C, 0x00D7, 0x00F5, 0x07A7, 0x0F4A, 0x0F4D, 0x0F4C, 0x0002,
3314 0x0002, 0x000E, 0x0037, 0x0034, 0x0000, 0x0019, 0x0018, 0x001F
3315 ], [
3316 0x000A, 0x0027, 0x00BF, 0x00BE, 0x0224, 0x225D, 0x225C, 0x0026,
3317 0x005E, 0x0007, 0x0006, 0x0006, 0x0007, 0x0016, 0x002E, 0x0045,
3318 0x0088, 0x0113, 0x044A, 0x225F, 0x225E, 0x112D, 0x112C, 0x0002,
3319 0x0002, 0x0012, 0x0003, 0x0002, 0x0003, 0x0000, 0x0010, 0x0023
3320 ], [
3321 0x000F, 0x0006, 0x0075, 0x0074, 0x000A, 0x00BF, 0x00B9, 0x0022,
3322 0x0003, 0x0005, 0x0006, 0x0001, 0x0002, 0x0007, 0x0000, 0x0004,
3323 0x0016, 0x005E, 0x00B8, 0x00BB, 0x00BA, 0x017D, 0x017C, 0x0002,
3324 0x0006, 0x001C, 0x0010, 0x003B, 0x0009, 0x0007, 0x0001, 0x0023
3325 ], [
3326 0x0001, 0x001C, 0x0036, 0x003B, 0x00EA, 0x075B, 0x1D65, 0x0019,
3327 0x0074, 0x0004, 0x0005, 0x0000, 0x0001, 0x0037, 0x01D7, 0x075A,
3328 0x1D64, 0x1D67, 0x1D66, 0x1D61, 0x1D60, 0x1D63, 0x1D62, 0x0002,
3329 0x001F, 0x001A, 0x000D, 0x003D, 0x000C, 0x0007, 0x003C, 0x0018
3330 ], [
3331 0x0002, 0x0001, 0x0014, 0x0000, 0x002F, 0x00BB, 0x02E4, 0x007D,
3332 0x00BA, 0x0003, 0x0004, 0x0016, 0x001A, 0x00B8, 0x172E, 0x2E5F,
3333 0x2E5E, 0x1729, 0x1728, 0x172B, 0x172A, 0x172D, 0x172C, 0x0001,
3334 0x001E, 0x0015, 0x001B, 0x003F, 0x000C, 0x000E, 0x007C, 0x0173
3335 ], [
3336 0x0003, 0x007B, 0x0058, 0x01EA, 0x1EB1, 0x1EB0, 0x1EB3, 0x0013,
3337 0x0012, 0x0005, 0x0006, 0x0002, 0x0001, 0x0013, 0x003C, 0x002D,
3338 0x00F4, 0x0059, 0x03D7, 0x0F5B, 0x1EB2, 0x1EB5, 0x1EB4, 0x0003,
3339 0x000E, 0x001F, 0x0012, 0x0008, 0x0008, 0x0000, 0x000A, 0x0017
3340 ], [
3341 0x0008, 0x003C, 0x00F5, 0x00F4, 0x1EF7, 0x3DE9, 0x3DE8, 0x001C,
3342 0x000D, 0x0005, 0x0006, 0x0001, 0x0000, 0x0007, 0x000C, 0x00F6,
3343 0x01EE, 0x03DF, 0x07BC, 0x3DEB, 0x3DEA, 0x3DED, 0x3DEC, 0x0002,
3344 0x0009, 0x001F, 0x000F, 0x0005, 0x000E, 0x0006, 0x0004, 0x001D
3345 ], [
3346 0x0009, 0x0039, 0x0019, 0x0018, 0x0706, 0x383D, 0x383C, 0x000D,
3347 0x000F, 0x0005, 0x0006, 0x0000, 0x001D, 0x0003, 0x0071, 0x00E1,
3348 0x01C0, 0x0382, 0x1C1D, 0x383F, 0x383E, 0x3839, 0x3838, 0x0002,
3349 0x0008, 0x0002, 0x000D, 0x000C, 0x000F, 0x0007, 0x0002, 0x000E
3350 ], [
3351 0x0000, 0x0006, 0x0035, 0x0034, 0x0777, 0x1DD4, 0x3BAB, 0x000E,
3352 0x000F, 0x0005, 0x0004, 0x001C, 0x0019, 0x003A, 0x00EF, 0x01DC,
3353 0x0776, 0x0774, 0x3BAA, 0x3BAD, 0x3BAC, 0x3BAF, 0x3BAE, 0x0002,
3354 0x0007, 0x0002, 0x0018, 0x000C, 0x000F, 0x000D, 0x001B, 0x0076
3355 ], [
3356 0x0002, 0x0011, 0x0006, 0x004F, 0x0130, 0x1319, 0x1318, 0x004E,
3357 0x0007, 0x0006, 0x0005, 0x0010, 0x000D, 0x0005, 0x0099, 0x0262,
3358 0x098E, 0x131B, 0x131A, 0x263D, 0x263C, 0x263F, 0x263E, 0x0001,
3359 0x0007, 0x0000, 0x0012, 0x000C, 0x000E, 0x000F, 0x0004, 0x004D
3360 ], [
3361 0x0003, 0x0000, 0x0002, 0x0037, 0x01B7, 0x0DB5, 0x36DD, 0x006C,
3362 0x0016, 0x0005, 0x0004, 0x0003, 0x000A, 0x002E, 0x036C, 0x0DB4,
3363 0x36DC, 0x36DF, 0x36DE, 0x36D9, 0x36D8, 0x36DB, 0x36DA, 0x000E,
3364 0x0004, 0x001A, 0x0019, 0x0018, 0x000F, 0x0001, 0x002F, 0x00DA
3365 ], [
3366 0x0006, 0x0006, 0x000F, 0x0000, 0x0075, 0x03B8, 0x1DCA, 0x0074,
3367 0x0076, 0x0004, 0x0005, 0x0003, 0x0002, 0x01DE, 0x0EE6, 0x3B97,
3368 0x3B96, 0x3B9D, 0x3B9C, 0x3B9F, 0x3B9E, 0x1DC9, 0x1DC8, 0x0005,
3369 0x001C, 0x0009, 0x000E, 0x0008, 0x000F, 0x0001, 0x01DF, 0x01DD
3370 ], [
3371 0x0004, 0x000B, 0x001D, 0x000C, 0x0014, 0x00E0, 0x3875, 0x0386,
3372 0x01C2, 0x0000, 0x0001, 0x0071, 0x0072, 0x1C3F, 0x3874, 0x3877,
3373 0x3876, 0x3871, 0x3870, 0x3873, 0x3872, 0x3879, 0x3878, 0x003C,
3374 0x0073, 0x002A, 0x003D, 0x002B, 0x001F, 0x000D, 0x1C3E, 0x1C3D
3375 ]
3376 ];
3377 const VP40_AC_CAT2_BITS: [[u8; 32]; 16] = [
3378 [
3379 5, 7, 8, 9, 12, 13, 13, 5, 7, 3, 3, 4, 4, 4, 4, 5,
3380 6, 5, 6, 7, 10, 12, 12, 3, 5, 5, 6, 6, 5, 6, 5, 6
3381 ], [
3382 5, 7, 8, 9, 11, 12, 12, 5, 7, 3, 3, 4, 4, 4, 5, 5,
3383 6, 6, 6, 7, 11, 12, 12, 3, 4, 5, 6, 6, 5, 5, 5, 6
3384 ], [
3385 4, 7, 8, 9, 11, 13, 14, 5, 7, 3, 3, 4, 4, 4, 5, 6,
3386 7, 7, 7, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 5, 5, 6
3387 ], [
3388 4, 6, 8, 8, 10, 12, 13, 6, 7, 3, 3, 4, 4, 4, 5, 6,
3389 7, 8, 9, 12, 13, 13, 13, 3, 4, 5, 6, 6, 4, 5, 5, 6
3390 ], [
3391 4, 6, 8, 8, 10, 14, 14, 6, 7, 3, 3, 4, 4, 5, 6, 7,
3392 8, 9, 11, 14, 14, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
3393 ], [
3394 4, 5, 7, 7, 9, 13, 13, 6, 7, 3, 3, 4, 4, 5, 6, 8,
3395 10, 12, 13, 13, 13, 14, 14, 3, 4, 5, 5, 6, 4, 4, 5, 6
3396 ], [
3397 3, 5, 6, 6, 8, 11, 13, 6, 7, 3, 3, 4, 4, 6, 9, 11,
3398 13, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 6, 6
3399 ], [
3400 3, 4, 5, 4, 6, 8, 10, 7, 8, 3, 3, 5, 5, 8, 13, 14,
3401 14, 13, 13, 13, 13, 13, 13, 3, 5, 5, 5, 6, 4, 4, 7, 9
3402 ], [
3403 4, 7, 8, 9, 13, 13, 13, 6, 6, 3, 3, 4, 4, 5, 6, 7,
3404 8, 8, 10, 12, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 5, 6
3405 ], [
3406 4, 6, 8, 8, 13, 14, 14, 6, 6, 3, 3, 4, 4, 5, 6, 8,
3407 9, 10, 11, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 5, 6
3408 ], [
3409 4, 6, 7, 7, 11, 14, 14, 6, 6, 3, 3, 4, 5, 5, 7, 8,
3410 9, 10, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 5, 6
3411 ], [
3412 3, 5, 7, 7, 11, 13, 14, 6, 6, 3, 3, 5, 5, 6, 8, 9,
3413 11, 11, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3414 ], [
3415 3, 5, 6, 7, 9, 13, 13, 7, 6, 3, 3, 5, 5, 6, 8, 10,
3416 12, 13, 13, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3417 ], [
3418 3, 4, 5, 6, 9, 12, 14, 7, 6, 3, 3, 5, 5, 7, 10, 12,
3419 14, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 3, 7, 8
3420 ], [
3421 3, 4, 5, 4, 7, 10, 13, 7, 7, 3, 3, 5, 5, 9, 12, 14,
3422 14, 14, 14, 14, 14, 13, 13, 4, 5, 5, 5, 5, 4, 3, 9, 9
3423 ], [
3424 3, 4, 5, 4, 5, 8, 14, 10, 9, 2, 2, 7, 7, 13, 14, 14,
3425 14, 14, 14, 14, 14, 14, 14, 6, 7, 6, 6, 6, 5, 4, 13, 13
3426 ]
3427 ];
3428 const VP40_AC_CAT3_CODES: [[u32; 32]; 16] = [
3429 [
3430 0x0007, 0x000F, 0x00BB, 0x00BA, 0x05CF, 0x173A, 0x2E77, 0x0029,
3431 0x0172, 0x0007, 0x0006, 0x0009, 0x0008, 0x0001, 0x0005, 0x000D,
3432 0x001D, 0x001C, 0x00B8, 0x02E6, 0x2E76, 0x1739, 0x1738, 0x0002,
3433 0x0006, 0x0016, 0x0004, 0x0028, 0x0015, 0x000C, 0x0000, 0x002F
3434 ], [
3435 0x000B, 0x0002, 0x0054, 0x002F, 0x02AC, 0x156B, 0x1568, 0x0016,
3436 0x0154, 0x0007, 0x0006, 0x0004, 0x0003, 0x0013, 0x0028, 0x002E,
3437 0x0157, 0x0155, 0x055B, 0x2AD3, 0x2AD2, 0x2AD5, 0x2AD4, 0x0003,
3438 0x0008, 0x0000, 0x000A, 0x0003, 0x0002, 0x002B, 0x0012, 0x0029
3439 ], [
3440 0x000F, 0x0007, 0x0001, 0x0000, 0x01C4, 0x0703, 0x0E02, 0x0011,
3441 0x00E1, 0x0005, 0x0006, 0x0002, 0x0001, 0x0009, 0x0010, 0x00E3,
3442 0x01C5, 0x01C1, 0x0702, 0x1C07, 0x1C06, 0x0E01, 0x0E00, 0x0004,
3443 0x0007, 0x001D, 0x000D, 0x0001, 0x0005, 0x0006, 0x000C, 0x0039
3444 ], [
3445 0x0001, 0x001C, 0x0011, 0x0013, 0x0042, 0x0207, 0x0815, 0x0075,
3446 0x0041, 0x0005, 0x0006, 0x0000, 0x001F, 0x003B, 0x0074, 0x0043,
3447 0x0080, 0x0206, 0x0814, 0x0817, 0x0816, 0x0409, 0x0408, 0x0003,
3448 0x0009, 0x001E, 0x0011, 0x0003, 0x0005, 0x0010, 0x0002, 0x0012
3449 ], [
3450 0x0001, 0x001F, 0x0027, 0x0001, 0x004B, 0x0123, 0x0915, 0x0000,
3451 0x0049, 0x0005, 0x0006, 0x001D, 0x001C, 0x0013, 0x004A, 0x0090,
3452 0x0914, 0x0917, 0x0916, 0x0911, 0x0910, 0x0913, 0x0912, 0x0003,
3453 0x0005, 0x0001, 0x0012, 0x0008, 0x0008, 0x001E, 0x0026, 0x0001
3454 ], [
3455 0x0003, 0x0001, 0x003F, 0x000B, 0x004E, 0x0132, 0x099A, 0x004F,
3456 0x0098, 0x0006, 0x0005, 0x001D, 0x001C, 0x007C, 0x0267, 0x1331,
3457 0x1330, 0x1333, 0x1332, 0x266D, 0x266C, 0x266F, 0x266E, 0x0001,
3458 0x0004, 0x001E, 0x0012, 0x000A, 0x0008, 0x0000, 0x007D, 0x004D
3459 ], [
3460 0x0002, 0x0007, 0x0015, 0x0003, 0x0004, 0x00A7, 0x0536, 0x0028,
3461 0x029A, 0x0006, 0x0004, 0x001C, 0x0017, 0x00A4, 0x29BE, 0x537F,
3462 0x537E, 0x29B9, 0x29B8, 0x29BB, 0x29BA, 0x29BD, 0x29BC, 0x000F,
3463 0x0000, 0x0005, 0x0016, 0x001D, 0x0006, 0x0001, 0x00A5, 0x014C
3464 ], [
3465 0x0004, 0x0007, 0x001A, 0x000C, 0x0006, 0x0029, 0x01BD, 0x1BE3,
3466 0x1BE0, 0x0000, 0x0007, 0x006E, 0x01BC, 0x37C3, 0x37C2, 0x37CD,
3467 0x37CC, 0x37CF, 0x37CE, 0x37C9, 0x37C8, 0x37CB, 0x37CA, 0x0015,
3468 0x01BF, 0x037D, 0x0036, 0x0002, 0x000B, 0x0028, 0x37C5, 0x37C4
3469 ], [
3470 0x0001, 0x0009, 0x0003, 0x0002, 0x011F, 0x08E9, 0x08E8, 0x002D,
3471 0x0022, 0x0006, 0x0007, 0x0010, 0x0011, 0x0017, 0x002C, 0x0046,
3472 0x011E, 0x011C, 0x0477, 0x08EB, 0x08EA, 0x08ED, 0x08EC, 0x0003,
3473 0x000B, 0x0001, 0x0014, 0x000A, 0x0009, 0x0015, 0x0000, 0x0010
3474 ], [
3475 0x0001, 0x001D, 0x0022, 0x0013, 0x011E, 0x08FC, 0x23F5, 0x0023,
3476 0x0022, 0x0005, 0x0006, 0x0010, 0x000B, 0x0010, 0x008E, 0x023E,
3477 0x08FF, 0x11FD, 0x23F4, 0x23F7, 0x23F6, 0x23F9, 0x23F8, 0x0003,
3478 0x0009, 0x0000, 0x001C, 0x000A, 0x000F, 0x0001, 0x0012, 0x0046
3479 ], [
3480 0x0003, 0x001F, 0x003C, 0x003D, 0x0086, 0x0877, 0x10E8, 0x0041,
3481 0x0040, 0x0005, 0x0006, 0x0007, 0x0006, 0x0004, 0x010F, 0x021C,
3482 0x0875, 0x21D3, 0x21D2, 0x21D9, 0x21D8, 0x21DB, 0x21DA, 0x0002,
3483 0x0009, 0x0000, 0x0011, 0x0003, 0x000E, 0x0002, 0x0005, 0x0042
3484 ], [
3485 0x0004, 0x0001, 0x003D, 0x0009, 0x00F3, 0x0793, 0x1E45, 0x0000,
3486 0x0002, 0x0005, 0x0006, 0x0008, 0x0001, 0x0003, 0x01E5, 0x0792,
3487 0x1E44, 0x1E47, 0x1E46, 0x1E41, 0x1E40, 0x1E43, 0x1E42, 0x0001,
3488 0x0006, 0x001F, 0x000F, 0x000E, 0x000E, 0x0005, 0x0078, 0x0001
3489 ], [
3490 0x0004, 0x0005, 0x000E, 0x0017, 0x003E, 0x00F0, 0x0F1E, 0x007A,
3491 0x007F, 0x0006, 0x0007, 0x0005, 0x0004, 0x007B, 0x01E2, 0x1E3F,
3492 0x1E3E, 0x0F19, 0x0F18, 0x0F1B, 0x0F1A, 0x0F1D, 0x0F1C, 0x0000,
3493 0x0003, 0x0016, 0x0009, 0x0008, 0x000A, 0x0006, 0x007E, 0x0079
3494 ], [
3495 0x0005, 0x000C, 0x001A, 0x0004, 0x001A, 0x00DE, 0x0DF4, 0x00DD,
3496 0x006D, 0x0000, 0x0007, 0x0025, 0x0024, 0x00DC, 0x0DF7, 0x1BEB,
3497 0x1BEA, 0x0DF1, 0x0DF0, 0x0DF3, 0x0DF2, 0x1BED, 0x1BEC, 0x0008,
3498 0x0013, 0x000C, 0x0037, 0x0036, 0x0005, 0x0007, 0x006C, 0x01BF
3499 ], [
3500 0x0005, 0x000D, 0x001F, 0x000C, 0x003B, 0x0040, 0x041A, 0x0104,
3501 0x0107, 0x0001, 0x0000, 0x0024, 0x0021, 0x020B, 0x106E, 0x20DF,
3502 0x20DE, 0x1055, 0x1054, 0x1057, 0x1056, 0x106D, 0x106C, 0x0011,
3503 0x003A, 0x0025, 0x0038, 0x0039, 0x0013, 0x001E, 0x020C, 0x0414
3504 ], [
3505 0x0000, 0x0007, 0x000D, 0x0005, 0x0009, 0x0022, 0x0CD1, 0x0CD0,
3506 0x0CD3, 0x0003, 0x0002, 0x008D, 0x00CC, 0x066B, 0x0CD2, 0x19B5,
3507 0x19B4, 0x19B7, 0x19B6, 0x19B1, 0x19B0, 0x19B3, 0x19B2, 0x0047,
3508 0x008C, 0x0337, 0x0067, 0x0018, 0x0010, 0x0032, 0x0CD5, 0x0CD4
3509 ]
3510 ];
3511 const VP40_AC_CAT3_BITS: [[u8; 32]; 16] = [
3512 [
3513 4, 6, 8, 8, 11, 13, 14, 6, 9, 3, 3, 4, 4, 4, 5, 6,
3514 7, 7, 8, 10, 14, 13, 13, 3, 4, 5, 5, 6, 5, 6, 4, 6
3515 ], [
3516 4, 5, 7, 7, 10, 13, 13, 6, 9, 3, 3, 4, 4, 5, 6, 7,
3517 9, 9, 11, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 6, 5, 6
3518 ], [
3519 4, 5, 6, 6, 9, 11, 12, 6, 8, 3, 3, 4, 4, 5, 6, 8,
3520 9, 9, 11, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3521 ], [
3522 3, 5, 6, 6, 8, 11, 13, 7, 8, 3, 3, 4, 5, 6, 7, 8,
3523 9, 11, 13, 13, 13, 12, 12, 3, 4, 5, 5, 5, 4, 5, 5, 6
3524 ], [
3525 3, 5, 6, 5, 8, 10, 13, 6, 8, 3, 3, 5, 5, 6, 8, 9,
3526 13, 13, 13, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 6, 6
3527 ], [
3528 3, 4, 6, 5, 7, 9, 12, 7, 8, 3, 3, 5, 5, 7, 10, 13,
3529 13, 13, 13, 14, 14, 14, 14, 3, 4, 5, 5, 5, 4, 4, 7, 7
3530 ], [
3531 3, 4, 5, 4, 5, 8, 11, 6, 10, 3, 3, 5, 5, 8, 14, 15,
3532 15, 14, 14, 14, 14, 14, 14, 4, 4, 5, 5, 5, 4, 4, 8, 9
3533 ], [
3534 3, 4, 5, 4, 4, 6, 9, 13, 13, 2, 3, 7, 9, 14, 14, 14,
3535 14, 14, 14, 14, 14, 14, 14, 5, 9, 10, 6, 3, 4, 6, 14, 14
3536 ], [
3537 3, 5, 6, 6, 10, 13, 13, 7, 7, 3, 3, 5, 5, 6, 7, 8,
3538 10, 10, 12, 13, 13, 13, 13, 3, 4, 4, 5, 5, 4, 5, 5, 6
3539 ], [
3540 3, 5, 6, 6, 9, 12, 14, 7, 7, 3, 3, 5, 5, 6, 8, 10,
3541 12, 13, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3542 ], [
3543 3, 5, 6, 6, 8, 12, 13, 7, 7, 3, 3, 5, 5, 6, 9, 10,
3544 12, 14, 14, 14, 14, 14, 14, 3, 4, 4, 5, 5, 4, 4, 6, 7
3545 ], [
3546 3, 4, 6, 5, 8, 11, 13, 7, 7, 3, 3, 5, 5, 7, 9, 11,
3547 13, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 7, 7
3548 ], [
3549 3, 4, 5, 5, 7, 9, 13, 8, 8, 3, 3, 5, 5, 8, 10, 14,
3550 14, 13, 13, 13, 13, 13, 13, 3, 4, 5, 5, 5, 4, 4, 8, 8
3551 ], [
3552 3, 4, 5, 4, 6, 9, 13, 9, 8, 2, 3, 6, 6, 9, 13, 14,
3553 14, 13, 13, 13, 13, 14, 14, 4, 5, 5, 6, 6, 4, 4, 8, 10
3554 ], [
3555 3, 4, 5, 4, 6, 7, 11, 9, 9, 2, 2, 6, 6, 10, 13, 14,
3556 14, 13, 13, 13, 13, 13, 13, 5, 6, 6, 6, 6, 5, 5, 10, 11
3557 ], [
3558 2, 4, 5, 4, 5, 7, 13, 13, 13, 2, 2, 9, 9, 12, 13, 14,
3559 14, 14, 14, 14, 14, 14, 14, 8, 9, 11, 8, 6, 6, 7, 13, 13
3560 ]
3561 ];
3562
3563 const VP40_QMAT: &[i16; 64] = &[
3564 16, 17, 18, 20, 22, 24, 26, 28,
3565 17, 18, 20, 22, 24, 26, 28, 32,
3566 18, 20, 22, 24, 26, 28, 32, 36,
3567 20, 22, 24, 26, 28, 32, 36, 40,
3568 22, 24, 26, 28, 32, 36, 40, 44,
3569 24, 26, 28, 32, 36, 40, 44, 48,
3570 26, 28, 32, 36, 40, 44, 48, 52,
3571 28, 32, 36, 40, 44, 48, 52, 56
3572 ];
3573 const VP40_DC_Y_SCALES: [i16; 64] = [
3574 180, 180, 180, 180, 180, 180, 175, 170,
3575 165, 160, 157, 155, 152, 150, 147, 145,
3576 142, 140, 137, 135, 132, 130, 127, 125,
3577 122, 120, 117, 115, 112, 110, 107, 105,
3578 102, 100, 97, 95, 92, 90, 87, 85,
3579 82, 80, 77, 75, 72, 70, 67, 65,
3580 62, 60, 57, 55, 52, 50, 47, 45,
3581 42, 40, 37, 35, 32, 30, 27, 25
3582 ];
3583 const VP40_DC_C_SCALES: [i16; 64] = [
3584 150, 150, 150, 150, 150, 150, 150, 150,
3585 150, 150, 150, 150, 150, 150, 147, 145,
3586 142, 140, 137, 135, 132, 130, 127, 125,
3587 122, 120, 117, 115, 112, 110, 107, 105,
3588 102, 100, 97, 95, 92, 90, 87, 85,
3589 82, 80, 77, 75, 72, 70, 67, 65,
3590 62, 60, 57, 55, 52, 50, 47, 45,
3591 42, 40, 37, 35, 32, 30, 27, 25
3592 ];
3593 const VP40_AC_SCALES: [i16; 64] = [
3594 500, 475, 450, 430, 410, 390, 370, 350,
3595 330, 315, 300, 285, 270, 260, 250, 240,
3596 230, 220, 210, 200, 190, 185, 180, 170,
3597 160, 150, 143, 135, 128, 120, 113, 106,
3598 100, 94, 90, 85, 80, 75, 70, 66,
3599 62, 57, 52, 49, 45, 41, 38, 35,
3600 33, 30, 27, 24, 22, 20, 18, 16,
3601 14, 12, 10, 9, 7, 6, 4, 1
3602 ];
3603
3604 const VP40_MBPAT_CODES: [[u8; 14]; 2] = [
3605 [ 0b000, 0b1111, 0b1001, 0b010, 0b1101, 0b01110, 0b1011, 0b001, 0b01111, 0b1000, 0b0110, 0b1110, 0b1100, 0b1010 ],
3606 [ 0b0111, 0b1010, 0b1001, 0b1100, 0b1000, 0b01101, 0b000, 0b1110, 0b01100, 0b1101, 0b001, 0b1011, 0b1111, 0b010 ]
3607 ];
3608 const VP40_MBPAT_BITS: [[u8; 14]; 2] = [
3609 [ 3, 4, 4, 3, 4, 5, 4, 3, 5, 4, 4, 4, 4, 4 ],
3610 [ 4, 4, 4, 4, 4, 5, 3, 4, 5, 4, 3, 4, 4, 3 ]
3611 ];
3612 const VP40_BP_PREDICTOR: [u8; 15] = [ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1 ];
3613 const VP40_MV_X_CODES: [[u32; 63]; 7] = [
3614 [
3615 0x06A, 0x11A, 0x18E, 0x237, 0x04A, 0x236, 0x07A, 0x0D6,
3616 0x07E, 0x1FD, 0x08C, 0x0D7, 0x087, 0x183, 0x03C, 0x061,
3617 0x047, 0x069, 0x040, 0x048, 0x049, 0x086, 0x013, 0x0D2,
3618 0x01C, 0x042, 0x025, 0x01B, 0x013, 0x005, 0x000, 0x007,
3619 0x005, 0x01B, 0x019, 0x019, 0x008, 0x045, 0x01D, 0x0C6,
3620 0x068, 0x090, 0x041, 0x04B, 0x031, 0x18F, 0x062, 0x03E,
3621 0x044, 0x068, 0x030, 0x182, 0x0C0, 0x1A7, 0x091, 0x092,
3622 0x07B, 0x0FF, 0x1A6, 0x1FC, 0x06A, 0x093, 0x06B
3623 ], [
3624 0x039, 0x259, 0x01B, 0x1D1, 0x137, 0x1D0, 0x01A, 0x1B5,
3625 0x01D, 0x4BC, 0x06C, 0x038, 0x071, 0x02D, 0x07D, 0x075,
3626 0x019, 0x0E9, 0x037, 0x015, 0x01E, 0x0DB, 0x04C, 0x070,
3627 0x00D, 0x00C, 0x027, 0x004, 0x002, 0x000, 0x005, 0x007,
3628 0x006, 0x002, 0x008, 0x024, 0x00C, 0x03B, 0x01E, 0x09A,
3629 0x00E, 0x069, 0x04A, 0x12D, 0x035, 0x0F9, 0x018, 0x07F,
3630 0x00F, 0x0F8, 0x07E, 0x25F, 0x068, 0x02C, 0x014, 0x258,
3631 0x136, 0x4BD, 0x12E, 0x1B4, 0x017, 0x039, 0x01F
3632 ], [
3633 0x029, 0x3CB, 0x1F5, 0x263, 0x1F4, 0x3DA, 0x050, 0x260,
3634 0x1EC, 0x3D3, 0x109, 0x3D2, 0x051, 0x792, 0x0F3, 0x09A,
3635 0x0F7, 0x132, 0x0C1, 0x1E8, 0x02A, 0x085, 0x061, 0x1F7,
3636 0x078, 0x0C7, 0x023, 0x07C, 0x012, 0x00B, 0x00E, 0x00D,
3637 0x000, 0x005, 0x003, 0x004, 0x019, 0x020, 0x03F, 0x043,
3638 0x062, 0x09F, 0x04E, 0x181, 0x02B, 0x137, 0x0F5, 0x089,
3639 0x0C6, 0x262, 0x088, 0x3C8, 0x1F6, 0x3CA, 0x09E, 0x261,
3640 0x136, 0x108, 0x133, 0x793, 0x180, 0x3DB, 0x045
3641 ], [
3642 0x001, 0x1C7, 0x067, 0x0B5, 0x066, 0x139, 0x099, 0x0B4,
3643 0x0C3, 0x130, 0x000, 0x131, 0x09E, 0x0B7, 0x02C, 0x001,
3644 0x028, 0x138, 0x04B, 0x031, 0x060, 0x091, 0x003, 0x09D,
3645 0x017, 0x04D, 0x031, 0x070, 0x007, 0x03A, 0x007, 0x002,
3646 0x00B, 0x001, 0x00F, 0x008, 0x00D, 0x004, 0x00A, 0x00D,
3647 0x019, 0x002, 0x03B, 0x04A, 0x015, 0x0C2, 0x018, 0x032,
3648 0x072, 0x1C6, 0x029, 0x1C5, 0x049, 0x121, 0x01B, 0x030,
3649 0x01A, 0x1C4, 0x09F, 0x0B6, 0x019, 0x120, 0x073
3650 ], [
3651 0x023, 0x1C8, 0x043, 0x110, 0x00C, 0x153, 0x022, 0x111,
3652 0x00F, 0x042, 0x023, 0x1C9, 0x02A, 0x01B, 0x073, 0x045,
3653 0x06E, 0x089, 0x06C, 0x01A, 0x06F, 0x0B6, 0x00B, 0x0E5,
3654 0x025, 0x020, 0x029, 0x04D, 0x002, 0x014, 0x01A, 0x017,
3655 0x01E, 0x027, 0x018, 0x028, 0x01F, 0x000, 0x006, 0x010,
3656 0x007, 0x00B, 0x003, 0x004, 0x01D, 0x02C, 0x019, 0x02B,
3657 0x009, 0x055, 0x038, 0x00E, 0x024, 0x0A8, 0x00A, 0x099,
3658 0x05A, 0x098, 0x06D, 0x152, 0x02B, 0x0B7, 0x001
3659 ], [
3660 0x03D, 0x0B1, 0x0DD, 0x1F6, 0x0C5, 0x188, 0x037, 0x03F,
3661 0x01E, 0x189, 0x00F, 0x03E, 0x06A, 0x1F7, 0x061, 0x079,
3662 0x018, 0x0B0, 0x00E, 0x0B3, 0x00C, 0x0DF, 0x006, 0x0DC,
3663 0x019, 0x0DE, 0x027, 0x00E, 0x01A, 0x063, 0x00F, 0x00E,
3664 0x014, 0x07C, 0x036, 0x06B, 0x03F, 0x060, 0x008, 0x074,
3665 0x009, 0x078, 0x012, 0x00D, 0x015, 0x02D, 0x002, 0x01C,
3666 0x005, 0x03B, 0x000, 0x034, 0x019, 0x026, 0x010, 0x075,
3667 0x002, 0x036, 0x023, 0x0B2, 0x022, 0x0FA, 0x017
3668 ], [
3669 0x015, 0x0DD, 0x03E, 0x16E, 0x04C, 0x012, 0x05D, 0x0B6,
3670 0x06F, 0x1F1, 0x069, 0x1F0, 0x01D, 0x16F, 0x002, 0x06B,
3671 0x00C, 0x0DC, 0x068, 0x09B, 0x07D, 0x09A, 0x00D, 0x013,
3672 0x008, 0x0F9, 0x02C, 0x012, 0x033, 0x04F, 0x00D, 0x005,
3673 0x012, 0x03F, 0x032, 0x013, 0x03B, 0x005, 0x02F, 0x05A,
3674 0x03F, 0x01C, 0x03A, 0x008, 0x036, 0x05C, 0x010, 0x000,
3675 0x00C, 0x04E, 0x003, 0x06A, 0x00E, 0x003, 0x014, 0x01E,
3676 0x01C, 0x00F, 0x018, 0x023, 0x01E, 0x022, 0x002
3677 ]
3678 ];
3679 const VP40_MV_X_BITS: [[u8; 63]; 7] = [
3680 [
3681 7, 9, 9, 10, 8, 10, 8, 9, 8, 10, 8, 9, 8, 9, 7, 7,
3682 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 6, 5, 4, 2, 3,
3683 3, 5, 5, 6, 5, 7, 6, 8, 7, 8, 7, 8, 7, 9, 7, 7,
3684 7, 8, 7, 9, 8, 9, 8, 9, 8, 9, 9, 10, 8, 9, 7
3685 ], [
3686 7, 10, 8, 10, 9, 10, 8, 10, 8, 11, 8, 9, 8, 9, 8, 8,
3687 7, 9, 7, 8, 7, 9, 7, 8, 6, 7, 6, 6, 4, 4, 3, 3,
3688 3, 3, 4, 6, 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 8,
3689 7, 9, 8, 10, 8, 9, 8, 10, 9, 11, 9, 10, 8, 9, 7
3690 ], [
3691 7, 10, 9, 10, 9, 10, 8, 10, 9, 10, 9, 10, 8, 11, 8, 8,
3692 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 6, 7, 5, 5, 4, 4,
3693 2, 3, 3, 4, 5, 6, 6, 7, 7, 8, 7, 9, 7, 9, 8, 8,
3694 8, 10, 8, 10, 9, 10, 8, 10, 9, 9, 9, 11, 9, 10, 7
3695 ], [
3696 6, 9, 8, 9, 8, 9, 8, 9, 8, 9, 7, 9, 8, 9, 7, 7,
3697 7, 9, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 4, 4,
3698 4, 4, 4, 4, 4, 4, 4, 5, 5, 6, 6, 7, 6, 8, 6, 7,
3699 7, 9, 7, 9, 7, 9, 7, 8, 7, 9, 8, 9, 7, 9, 7
3700 ], [
3701 6, 9, 8, 9, 7, 9, 7, 9, 7, 8, 7, 9, 7, 8, 7, 7,
3702 7, 8, 7, 8, 7, 8, 6, 8, 6, 7, 6, 7, 5, 6, 5, 5,
3703 5, 6, 5, 6, 5, 5, 4, 5, 4, 5, 4, 5, 5, 6, 5, 6,
3704 5, 7, 6, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 8, 5
3705 ], [
3706 6, 8, 8, 9, 8, 9, 7, 8, 7, 9, 7, 8, 7, 9, 7, 7,
3707 6, 8, 6, 8, 6, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
3708 5, 7, 6, 7, 6, 7, 5, 7, 5, 7, 5, 6, 5, 6, 4, 5,
3709 4, 6, 4, 6, 5, 6, 5, 7, 5, 7, 6, 8, 6, 8, 5
3710 ], [
3711 5, 8, 7, 9, 7, 8, 7, 8, 7, 9, 7, 9, 7, 9, 6, 7,
3712 6, 8, 7, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 5, 5,
3713 5, 7, 6, 7, 6, 6, 6, 7, 6, 7, 6, 7, 6, 7, 5, 5,
3714 5, 7, 5, 7, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 3
3715 ]
3716 ];
3717 const VP40_MV_Y_CODES: [[u32; 63]; 7] = [
3718 [
3719 0x052, 0x14C, 0x1FA, 0x124, 0x082, 0x29E, 0x08E, 0x24B,
3720 0x09C, 0x3F7, 0x086, 0x114, 0x083, 0x3A5, 0x0FA, 0x04F,
3721 0x0FB, 0x13B, 0x0FC, 0x172, 0x044, 0x173, 0x051, 0x087,
3722 0x05F, 0x0BA, 0x026, 0x05E, 0x016, 0x015, 0x006, 0x001,
3723 0x000, 0x01C, 0x01E, 0x075, 0x03B, 0x0FF, 0x025, 0x0BB,
3724 0x07C, 0x08B, 0x048, 0x171, 0x042, 0x14E, 0x046, 0x0FE,
3725 0x040, 0x13A, 0x093, 0x115, 0x08F, 0x3F6, 0x170, 0x29F,
3726 0x1D1, 0x24A, 0x1D3, 0x3A4, 0x1D0, 0x14D, 0x050
3727 ], [
3728 0x0DE, 0x223, 0x136, 0x7C5, 0x12F, 0x4A1, 0x3D7, 0x7AC,
3729 0x133, 0x7C4, 0x1B8, 0x222, 0x096, 0x251, 0x095, 0x1F0,
3730 0x0DA, 0x110, 0x09A, 0x360, 0x0DD, 0x12E, 0x048, 0x092,
3731 0x078, 0x098, 0x027, 0x045, 0x01A, 0x010, 0x005, 0x000,
3732 0x001, 0x00E, 0x00C, 0x023, 0x03F, 0x0F4, 0x07D, 0x089,
3733 0x07B, 0x1BE, 0x0F9, 0x3E3, 0x0F3, 0x127, 0x0DB, 0x1EA,
3734 0x0D9, 0x6E7, 0x1BF, 0x4A0, 0x1B1, 0x6E6, 0x137, 0x7AD,
3735 0x126, 0x6C2, 0x132, 0x6C3, 0x129, 0x372, 0x0F2
3736 ], [
3737 0x016, 0x09C, 0x13C, 0x09E, 0x12B, 0x0BA, 0x181, 0x317,
3738 0x084, 0x04E, 0x026, 0x316, 0x180, 0x05C, 0x0C1, 0x02F,
3739 0x010, 0x045, 0x012, 0x189, 0x024, 0x13D, 0x066, 0x023,
3740 0x067, 0x0C6, 0x024, 0x04B, 0x011, 0x032, 0x00D, 0x000,
3741 0x007, 0x005, 0x003, 0x003, 0x005, 0x020, 0x008, 0x025,
3742 0x026, 0x04F, 0x061, 0x02B, 0x04E, 0x18A, 0x043, 0x09F,
3743 0x014, 0x254, 0x094, 0x310, 0x085, 0x311, 0x02A, 0x0BB,
3744 0x18F, 0x255, 0x09D, 0x09F, 0x18E, 0x044, 0x026
3745 ], [
3746 0x061, 0x12A, 0x00D, 0x3BD, 0x089, 0x109, 0x18E, 0x210,
3747 0x1D3, 0x211, 0x088, 0x019, 0x085, 0x018, 0x0E8, 0x0CE,
3748 0x040, 0x119, 0x045, 0x1D2, 0x04B, 0x1DD, 0x062, 0x094,
3749 0x075, 0x00C, 0x027, 0x00D, 0x002, 0x026, 0x006, 0x01E,
3750 0x00D, 0x01F, 0x001, 0x00A, 0x002, 0x007, 0x00B, 0x000,
3751 0x01C, 0x076, 0x032, 0x007, 0x024, 0x0C0, 0x007, 0x041,
3752 0x002, 0x18F, 0x047, 0x1DC, 0x043, 0x12B, 0x0CF, 0x118,
3753 0x0C6, 0x3BC, 0x08D, 0x3BF, 0x0C1, 0x3BE, 0x066
3754 ], [
3755 0x007, 0x14D, 0x0A0, 0x09E, 0x0CF, 0x39C, 0x0A1, 0x39D,
3756 0x0AB, 0x1C5, 0x026, 0x14C, 0x025, 0x19C, 0x03F, 0x0E1,
3757 0x066, 0x1CF, 0x03E, 0x1C4, 0x072, 0x04E, 0x006, 0x0AA,
3758 0x01C, 0x0E6, 0x032, 0x051, 0x03B, 0x005, 0x01F, 0x018,
3759 0x002, 0x03A, 0x000, 0x036, 0x005, 0x008, 0x008, 0x016,
3760 0x009, 0x00D, 0x003, 0x02F, 0x01E, 0x02E, 0x01A, 0x02B,
3761 0x00C, 0x024, 0x01E, 0x0E0, 0x004, 0x0A7, 0x054, 0x1C7,
3762 0x052, 0x19D, 0x03A, 0x09F, 0x03B, 0x1C6, 0x037
3763 ], [
3764 0x02A, 0x039, 0x025, 0x115, 0x024, 0x1FA, 0x02F, 0x114,
3765 0x075, 0x038, 0x0FC, 0x036, 0x01E, 0x1FB, 0x07F, 0x068,
3766 0x016, 0x037, 0x01F, 0x05C, 0x013, 0x08B, 0x001, 0x0FB,
3767 0x021, 0x044, 0x02B, 0x06B, 0x03B, 0x00C, 0x01C, 0x019,
3768 0x001, 0x020, 0x016, 0x07C, 0x00C, 0x074, 0x00A, 0x01C,
3769 0x012, 0x069, 0x00F, 0x06A, 0x014, 0x011, 0x01E, 0x017,
3770 0x002, 0x031, 0x01B, 0x030, 0x00D, 0x000, 0x001, 0x01D,
3771 0x023, 0x01A, 0x01D, 0x05D, 0x010, 0x0FA, 0x013
3772 ], [
3773 0x012, 0x026, 0x041, 0x022, 0x01A, 0x0A9, 0x04C, 0x1B2,
3774 0x05C, 0x0A8, 0x058, 0x1B3, 0x040, 0x079, 0x00C, 0x055,
3775 0x01F, 0x0D8, 0x076, 0x023, 0x05F, 0x078, 0x00B, 0x01B,
3776 0x02D, 0x010, 0x037, 0x06D, 0x032, 0x00A, 0x01A, 0x01E,
3777 0x01F, 0x02B, 0x00D, 0x077, 0x031, 0x05D, 0x038, 0x027,
3778 0x00C, 0x0E9, 0x033, 0x05E, 0x030, 0x04D, 0x00A, 0x021,
3779 0x007, 0x03D, 0x039, 0x0E8, 0x00B, 0x059, 0x014, 0x027,
3780 0x011, 0x075, 0x00E, 0x009, 0x008, 0x012, 0x000
3781 ]
3782 ];
3783 const VP40_MV_Y_BITS: [[u8; 63]; 7] = [
3784 [
3785 7, 9, 9, 9, 8, 10, 8, 10, 8, 10, 8, 9, 8, 10, 8, 7,
3786 8, 9, 8, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
3787 2, 5, 5, 7, 6, 8, 6, 8, 7, 8, 7, 9, 7, 9, 7, 8,
3788 7, 9, 8, 9, 8, 10, 9, 10, 9, 10, 9, 10, 9, 9, 7
3789 ], [
3790 8, 10, 9, 11, 9, 11, 10, 11, 9, 11, 9, 10, 8, 10, 8, 9,
3791 8, 9, 8, 10, 8, 9, 7, 8, 7, 8, 6, 7, 5, 5, 3, 2,
3792 2, 4, 4, 6, 6, 8, 7, 8, 7, 9, 8, 10, 8, 9, 8, 9,
3793 8, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 11, 9, 10, 8
3794 ], [
3795 7, 9, 9, 10, 9, 10, 9, 10, 8, 9, 8, 10, 9, 9, 8, 8,
3796 7, 9, 7, 9, 7, 9, 7, 8, 7, 8, 6, 7, 5, 6, 4, 3,
3797 3, 3, 3, 4, 4, 6, 5, 7, 6, 8, 7, 8, 7, 9, 7, 8,
3798 7, 10, 8, 10, 8, 10, 8, 10, 9, 10, 9, 10, 9, 9, 7
3799 ], [
3800 7, 9, 8, 10, 8, 9, 9, 10, 9, 10, 8, 9, 8, 9, 8, 8,
3801 7, 9, 7, 9, 7, 9, 7, 8, 7, 7, 6, 7, 5, 6, 4, 5,
3802 4, 5, 3, 4, 3, 4, 4, 5, 5, 7, 6, 7, 6, 8, 6, 7,
3803 6, 9, 7, 9, 7, 9, 8, 9, 8, 10, 8, 10, 8, 10, 7
3804 ], [
3805 6, 9, 8, 9, 8, 10, 8, 10, 8, 9, 7, 9, 7, 9, 7, 8,
3806 7, 9, 7, 9, 7, 8, 6, 8, 6, 8, 6, 7, 6, 6, 5, 5,
3807 4, 6, 4, 6, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6,
3808 5, 7, 6, 8, 6, 8, 7, 9, 7, 9, 7, 9, 7, 9, 6
3809 ], [
3810 6, 8, 7, 9, 7, 9, 7, 9, 7, 8, 8, 8, 7, 9, 7, 7,
3811 6, 8, 7, 8, 6, 8, 6, 8, 6, 7, 6, 7, 6, 6, 5, 5,
3812 4, 6, 5, 7, 5, 7, 5, 6, 5, 7, 5, 7, 5, 6, 5, 5,
3813 4, 6, 5, 6, 5, 6, 5, 7, 6, 7, 6, 8, 6, 8, 5
3814 ], [
3815 5, 7, 7, 8, 7, 8, 7, 9, 7, 8, 7, 9, 7, 8, 6, 7,
3816 6, 8, 7, 8, 7, 8, 6, 7, 6, 7, 6, 7, 6, 6, 5, 5,
3817 5, 6, 5, 7, 6, 7, 6, 7, 5, 8, 6, 7, 6, 7, 5, 6,
3818 5, 7, 6, 8, 5, 7, 5, 6, 5, 7, 5, 6, 5, 6, 3
3819 ]
3820 ];
3821
3822 const VP40_LOOP_STRENGTH: [i16; 64] = [
3823 30, 25, 20, 20, 15, 15, 14, 14,
3824 13, 13, 12, 12, 11, 11, 10, 10,
3825 9, 9, 8, 8, 7, 7, 7, 7,
3826 6, 6, 6, 6, 5, 5, 5, 5,
3827 4, 4, 4, 4, 3, 3, 3, 3,
3828 2, 2, 2, 2, 2, 2, 2, 2,
3829 2, 2, 2, 2, 2, 2, 2, 2,
3830 1, 1, 1, 1, 1, 1, 1, 1
3831 ];
3832 const VP40_MV_LUT_INDEX: [usize; 32] = [
3833 0, 1, 2, 2, 3, 3, 3, 3,
3834 4, 4, 4, 4, 4, 4, 4, 4,
3835 5, 5, 5, 5, 5, 5, 5, 5,
3836 6, 6, 6, 6, 6, 6, 6, 6
3837 ];