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annotate the sources for test samples
[nihav.git] / nihav-vivo / src / codecs / siren.rs
CommitLineData
31cf33ac
KS		 1use nihav_core::formats::SND_F32P_FORMAT;
2use nihav_core::frame::*;
3use nihav_core::codecs::*;
4use nihav_core::io::bitreader::*;
5use nihav_core::io::codebook::*;
6use nihav_codec_support::dsp::mdct::IMDCT;
7use nihav_codec_support::dsp::window::{generate_window, WindowType};
8use std::str::FromStr;
9
10const SAMPLES: usize = 320;
11const NUM_REGIONS: usize = 14;
12const REGION_SIZE: usize = 20;
13const NUM_DIFF_CB: usize = NUM_REGIONS - 1;
14
15struct PRNG {
16 dw: [u16; 4],
17}
18
19impl PRNG {
20 fn new() -> Self { Self{ dw: [1; 4] } }
21 fn get_dw(&mut self) -> u16 {
22 let mut ret = self.dw[0].wrapping_add(self.dw[3]);
23 if (ret & 0x8000) != 0 {
24 ret = ret.wrapping_add(1);
25 }
26
27 self.dw[0] = self.dw[1];
28 self.dw[1] = self.dw[2];
29 self.dw[2] = self.dw[3];
30 self.dw[3] = ret;
31
32 ret
33 }
34}
35
36struct SirenDecoder {
37 chmap: NAChannelMap,
38 ainfo: NAAudioInfo,
39 info: NACodecInfoRef,
40 diff_cb: Vec<Codebook<i8>>,
41 vec_cb: [Codebook<u16>; 7],
42 imdct: IMDCT,
43
44 coeffs: [f32; SAMPLES],
45 delay: [f32; SAMPLES],
46 synth_buf: [f32; SAMPLES * 2],
47 last_good_frame: [f32; SAMPLES],
48 window: [f32; SAMPLES],
49 quant_tab: [f32; 64],
50
51 pow_index: [i32; NUM_REGIONS],
52 region_quant: [f32; NUM_REGIONS],
53 power_cat: [usize; NUM_REGIONS],
54 cat_balance: [usize; 16],
55
56 rng: PRNG,
57}
58
59fn map_idx_diff(idx: usize) -> i8 { (idx as i8) - 12 }
60fn map_idx0(idx: usize) -> u16 { VEC_CB0_SYMS[idx] }
61fn map_idx1(idx: usize) -> u16 { VEC_CB1_SYMS[idx] }
62fn map_idx2(idx: usize) -> u16 { VEC_CB2_SYMS[idx] }
63fn map_idx3(idx: usize) -> u16 { VEC_CB3_SYMS[idx] }
64fn map_idx4(idx: usize) -> u16 { VEC_CB4_SYMS[idx] }
65fn map_idx5(idx: usize) -> u16 { VEC_CB5_SYMS[idx] }
66fn map_idx6(idx: usize) -> u16 { VEC_CB6_SYMS[idx] }
67impl SirenDecoder {
68 fn new() -> Self {
69 let mut diff_cb = Vec::with_capacity(NUM_DIFF_CB);
70 for i in 0..NUM_DIFF_CB {
71 let mut cr = TableCodebookDescReader::new(&DIFF_CODE_BITS[i], &DIFF_CODE_LENS[i], map_idx_diff);
72 let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
73 diff_cb.push(cb);
74 }
75 let mut cr = TableCodebookDescReader::new(&VEC_CB0_BITS, &VEC_CB0_LENS, map_idx0);
76 let vec_cb0 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
77 let mut cr = TableCodebookDescReader::new(&VEC_CB1_BITS, &VEC_CB1_LENS, map_idx1);
78 let vec_cb1 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
79 let mut cr = TableCodebookDescReader::new(&VEC_CB2_BITS, &VEC_CB2_LENS, map_idx2);
80 let vec_cb2 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
81 let mut cr = TableCodebookDescReader::new(&VEC_CB3_BITS, &VEC_CB3_LENS, map_idx3);
82 let vec_cb3 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
83 let mut cr = TableCodebookDescReader::new(&VEC_CB4_BITS, &VEC_CB4_LENS, map_idx4);
84 let vec_cb4 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
85 let mut cr = TableCodebookDescReader::new(&VEC_CB5_BITS, &VEC_CB5_LENS, map_idx5);
86 let vec_cb5 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
87 let mut cr = TableCodebookDescReader::new(&VEC_CB6_BITS, &VEC_CB6_LENS, map_idx6);
88 let vec_cb6 = Codebook::new(&mut cr, CodebookMode::MSB).unwrap();
89 let vec_cb = [vec_cb0, vec_cb1, vec_cb2, vec_cb3, vec_cb4, vec_cb5, vec_cb6];
90
91 let mut window = [0.0f32; SAMPLES];
e4be7a34 92 generate_window(WindowType::Sine, 1.0 / 320.0 / 64.0, SAMPLES, true, &mut window);
31cf33ac
KS		 93
94 let mut quant_tab = [0.0; 64];
95 for i in 0..64 {
96 quant_tab[i] = 2.0f32.powf((((i as i32) - 24) as f32) / 2.0);
97 }
98
99 SirenDecoder {
100 chmap: NAChannelMap::from_str("C").unwrap(),
101 ainfo: NAAudioInfo::new(16000, 1, SND_F32P_FORMAT, SAMPLES),
102 info: NACodecInfo::new_dummy(),
103 diff_cb, vec_cb,
104
105 coeffs: [0.0; SAMPLES],
106 delay: [0.0; SAMPLES],
107 synth_buf: [0.0; SAMPLES * 2],
108 last_good_frame: [0.0; SAMPLES],
109 imdct: IMDCT::new(SAMPLES * 2, false),
110 window, quant_tab,
111
112 pow_index: [0; NUM_REGIONS],
113 region_quant: [0.0; NUM_REGIONS],
114 power_cat: [0; NUM_REGIONS],
115 cat_balance: [0; 16],
116
117 rng: PRNG::new(),
118 }
119 }
120 fn decode_envelope(&mut self, br: &mut BitReader) -> DecoderResult<()> {
121 self.pow_index[0] = (br.read(5)? as i32) - 7;
122
123 for i in 1..NUM_REGIONS {
124 let diff = br.read_cb(&self.diff_cb[i - 1])?;
125 self.pow_index[i] = (self.pow_index[i - 1] + i32::from(diff)).max(-24).min(39);
126 }
127 for i in 0..NUM_REGIONS {
128 self.region_quant[i] = self.quant_tab[(self.pow_index[i] + 24) as usize];
129 }
130
131 Ok(())
132 }
133 fn allocate_bits(&mut self, tot_bits: u32, rate_ctl: usize) -> DecoderResult<()> {
134 const CATEGORY_BITS: [u32; 8] = [ 52, 47, 43, 37, 29, 22, 16, 0 ];
135 const MAX_RC: usize = 15;
136
137 let mut offset = -32;
138 let mut delta = 32;
139 while delta > 0 {
140 let mut bitpool = 0;
141 for reg in 0..NUM_REGIONS {
142 let cat = ((delta + offset - self.pow_index[reg]) >> 1).max(0).min(7) as usize;
143 //self.power_cat[reg] = cat;
144 bitpool += CATEGORY_BITS[cat];
145 }
146 if bitpool >= tot_bits - 32 {
147 offset += delta;
148 }
149 delta >>= 1;
150 }
151
152 let mut bitpool = 0;
153 let mut max_rate_cat = [0; NUM_REGIONS];
154 let mut min_rate_cat = [0; NUM_REGIONS];
155 for reg in 0..NUM_REGIONS {
156 let cat = ((offset - self.pow_index[reg]) >> 1).max(0).min(7) as usize;
157 max_rate_cat[reg] = cat;
158 min_rate_cat[reg] = cat;
159 self.power_cat[reg] = cat;
160 bitpool += CATEGORY_BITS[cat];
161 }
162
163 let mut min_bitpool = bitpool;
164 let mut max_bitpool = bitpool;
165 let mut min_offset = MAX_RC + 1;
166 let mut max_offset = MAX_RC + 1;
167 let mut temp_cat = [0; 64];
168 for _ in 0..MAX_RC {
169 if min_bitpool + max_bitpool > tot_bits * 2 {
170 let mut max_value = -99;
171 let mut min_idx = 0;
172 for reg in (0..NUM_REGIONS).rev() {
173 if min_rate_cat[reg] >= 7 { continue; }
174 let val = offset - self.pow_index[reg] - 2 * (min_rate_cat[reg] as i32);
175 if max_value < val {
176 max_value = val;
177 min_idx = reg;
178 }
179 }
180 validate!(max_value != -99);
181 temp_cat[min_offset] = min_idx;
182 min_offset += 1;
183 min_bitpool = min_bitpool + CATEGORY_BITS[min_rate_cat[min_idx] + 1] - CATEGORY_BITS[min_rate_cat[min_idx]];
184 min_rate_cat[min_idx] += 1;
185 } else {
186 let mut min_value = 99;
187 let mut max_idx = 0;
188 for reg in 0..NUM_REGIONS {
189 if max_rate_cat[reg] == 0 { continue; }
190 let val = offset - self.pow_index[reg] - 2 * (max_rate_cat[reg] as i32);
191 if min_value > val {
192 min_value = val;
193 max_idx = reg;
194 }
195 }
196 validate!(min_value != 99);
197 max_offset -= 1;
198 temp_cat[max_offset] = max_idx;
199 max_bitpool = max_bitpool + CATEGORY_BITS[max_rate_cat[max_idx] - 1] - CATEGORY_BITS[max_rate_cat[max_idx]];
200 max_rate_cat[max_idx] -= 1;
201 }
202 }
203
204 self.power_cat = max_rate_cat;
205
494ad253 206 self.cat_balance[..MAX_RC].copy_from_slice(&temp_cat[max_offset..][..MAX_RC]);
31cf33ac
KS		 207
208 for cat in self.cat_balance.iter().take(rate_ctl) {
209 self.power_cat[*cat] += 1;
210 }
211 Ok(())
212 }
213 fn decode_coefficients(&mut self, br: &mut BitReader) -> DecoderResult<bool> {
214 const NUM_VECTORS: [u8; 8] = [ 10, 10, 10, 5, 5, 4, 4, 20 ];
215 const VECTOR_SIZE: [u8; 8] = [ 2, 2, 2, 4, 4, 5, 5, 1 ];
216 const INDEX_BITS: [u8; 8] = [ 4, 4, 3, 3, 2, 2, 1, 0 ];
217
218 let mut error = false;
219 self.coeffs = [0.0; SAMPLES];
220 for (reg, coeffs) in self.coeffs.chunks_exact_mut(REGION_SIZE).take(NUM_REGIONS).enumerate() {
221 let mut cat = self.power_cat[reg];
222 if cat < 7 {
223 let cb = &self.vec_cb[cat];
224 let num_vecs = NUM_VECTORS[cat] as usize;
225 let vec_len = VECTOR_SIZE[cat] as usize;
226
227 'vec_loop: for i in 0..num_vecs {
228 let ret = br.read_cb(cb);
494ad253 229 if ret.is_err() {
31cf33ac
KS		 230 error = true;
231 break 'vec_loop;
232 }
233 let mut idx = ret.ok().unwrap_or(0) as usize;
234 let mask = (1 << INDEX_BITS[cat]) - 1;
235 for j in 0..vec_len {
236 let coef = QUANT_LEVELS[cat][idx & mask] * self.region_quant[reg];
237 idx >>= INDEX_BITS[cat];
238 if coef != 0.0 {
239 if br.left() == 0 {
240 break 'vec_loop;
241 }
242 coeffs[i * vec_len + j] = if br.read_bool()? { -coef } else { coef };
243 }
244 }
245 }
246 if error {
247 cat = 7;
248 for i in reg..NUM_REGIONS {
249 self.power_cat[i] = 7;
250 }
251 }
252 }
253 let noise_val = match cat {
254 5 => {
255 let mut nz_count = 0;
256 for el in coeffs.iter() {
257 if *el != 0.0 {
258 if *el > 2.0 * self.region_quant[reg] {
259 nz_count += 4;
260 }
261 nz_count += 1;
262 }
263 }
264 if nz_count < REGION_SIZE {
265 self.region_quant[reg] * CAT5_NOISE_FACTOR[nz_count]
266 } else {
267 0.0
268 }
269 },
270 6 => {
271 let mut nz_count = 0;
272 for el in coeffs.iter() {
273 if *el != 0.0 {
274 nz_count += 1;
275 }
276 }
277 self.region_quant[reg] * CAT6_NOISE_FACTOR[nz_count]
278 },
279 7 => {
280 self.region_quant[reg] * 0.70711
281 },
282 _ => 0.0,
283 };
284 if cat >= 5 {
285 let mut dw1 = self.rng.get_dw();
286 let mut dw2 = self.rng.get_dw();
287 for pair in coeffs.chunks_exact_mut(2) {
288 if (cat == 7) || pair[0] == 0.0 {
289 pair[0] = if (dw1 & 1) != 0 { noise_val } else { -noise_val };
290 }
291 if (cat == 7) || pair[1] == 0.0 {
292 pair[1] = if (dw2 & 1) != 0 { noise_val } else { -noise_val };
293 }
294 dw1 >>= 1;
295 dw2 >>= 1;
296 }
297 }
298 }
299 Ok(error)
300 }
301}
302
303impl NADecoder for SirenDecoder {
304 fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
305 if let NACodecTypeInfo::Audio(_ainfo) = info.get_properties() {
306 self.info = info.replace_info(NACodecTypeInfo::Audio(self.ainfo));
307 Ok(())
308 } else {
309 Err(DecoderError::InvalidData)
310 }
311 }
312 fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
313 let info = pkt.get_stream().get_info();
314 validate!(info.get_properties().is_audio());
315 let src = pkt.get_buffer();
316
317 let mut br = BitReader::new(src.as_slice(), BitReaderMode::BE);
318 self.decode_envelope(&mut br)?;
319 let rate_ctl = br.read(4)? as usize;
320 self.allocate_bits(br.left() as u32, rate_ctl)?;
321 self.decode_coefficients(&mut br)?;
322
323 let mut bad_frame = false;
324 while br.left() > 0 {
325 bad_frame |= !br.read_bool().ok().unwrap_or(true);
326 }
327 for el in self.pow_index.iter() {
328 if *el > 33 {
329 bad_frame = true;
330 }
331 }
332
333 if bad_frame {
334 self.coeffs.copy_from_slice(&self.last_good_frame);
335 self.last_good_frame = [0.0; SAMPLES];
336 } else {
337 self.last_good_frame.copy_from_slice(&self.coeffs);
338 }
339
340 let abuf = alloc_audio_buffer(self.ainfo, SAMPLES, self.chmap.clone())?;
341 let mut adata = abuf.get_abuf_f32().unwrap();
342 let asamples = adata.get_data_mut().unwrap();
343
344 self.imdct.imdct_half(&self.coeffs, &mut self.synth_buf);
345 for i in (0..SAMPLES/2).step_by(2) {
346 let idx0 = i;
347 let idx1 = SAMPLES / 2 - 1 - i;
348 let idx2 = SAMPLES / 2 + i;
349 let idx3 = SAMPLES - 1 - i;
350 // samples are actually in reverse order
351 let c3 = self.synth_buf[idx0];
352 let c2 = self.synth_buf[idx1];
353 let c1 = self.synth_buf[idx2];
354 let c0 = self.synth_buf[idx3];
355
356 let d0 = self.delay[idx0];
357 let d1 = self.delay[idx1];
358
359 let w0 = self.window[idx0];
360 let w1 = self.window[idx1];
361 let w2 = self.window[idx2];
362 let w3 = self.window[idx3];
363
364 asamples[idx3] = c1 * w3 - d0 * w0;
365 asamples[idx2] = c0 * w2 - d1 * w1;
366 asamples[idx1] = d1 * w2 + c0 * w1;
367 asamples[idx0] = d0 * w3 + c1 * w0;
368
369 self.delay[idx0] = c2;
370 self.delay[idx1] = c3;
371 }
372
373 let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), abuf);
374 frm.set_keyframe(true);
375 Ok(frm.into_ref())
376 }
377 fn flush(&mut self) {
378 self.delay = [0.0; SAMPLES];
379 self.last_good_frame = [0.0; SAMPLES];
380 }
381}
382
7d57ae2f
KS		 383impl NAOptionHandler for SirenDecoder {
384 fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
385 fn set_options(&mut self, _options: &[NAOption]) { }
386 fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
387}
388
31cf33ac
KS		 389pub fn get_decoder() -> Box<dyn NADecoder + Send> {
390 Box::new(SirenDecoder::new())
391}
392
393#[cfg(test)]
394mod test {
395 use nihav_core::codecs::RegisteredDecoders;
396 use nihav_core::demuxers::RegisteredDemuxers;
397 use nihav_codec_support::test::dec_video::*;
78fb6560 398 use crate::vivo_register_all_decoders;
31cf33ac
KS		 399 use crate::vivo_register_all_demuxers;
400 #[test]
401 fn test_siren() {
402 let mut dmx_reg = RegisteredDemuxers::new();
403 vivo_register_all_demuxers(&mut dmx_reg);
404 let mut dec_reg = RegisteredDecoders::new();
78fb6560 405 vivo_register_all_decoders(&mut dec_reg);
31cf33ac 406
886cde48 407 // sample: https://samples.mplayerhq.hu/vivo/vivo2/favmovie.viv
31cf33ac
KS		 408 let file = "assets/Misc/favmovie.viv";
409 //let file = "assets/Misc/gr_al.viv";
410 test_decode_audio("vivo", file, None, None/*Some("siren")*/, &dmx_reg, &dec_reg);
411 }
412}
413
414const DIFF_CODE_BITS: [[u16; 24]; NUM_DIFF_CB] = [
415 [
416 0x0008, 0x0026, 0x0012, 0x000A, 0x0007, 0x0006, 0x0003, 0x0002,
417 0x0000, 0x0001, 0x0007, 0x0006, 0x0005, 0x0004, 0x000B, 0x004E,
418 0x009E, 0x013E, 0x04FE, 0x04FF, 0x09F8, 0x09F9, 0x09FA, 0x09FB
419 ], [
420 0x0024, 0x0008, 0x0003, 0x0005, 0x0000, 0x0001, 0x0007, 0x0006,
421 0x0004, 0x0003, 0x0002, 0x0005, 0x0003, 0x0004, 0x0005, 0x0013,
422 0x004A, 0x0096, 0x012E, 0x04BD, 0x04BE, 0x04BF, 0x0978, 0x0979
423 ], [
424 0x0A16, 0x0284, 0x00A0, 0x0029, 0x0005, 0x000B, 0x0007, 0x0005,
425 0x0004, 0x0001, 0x0000, 0x0006, 0x0004, 0x0007, 0x0003, 0x0006,
426 0x0004, 0x0015, 0x0051, 0x0143, 0x050A, 0x142F, 0x285C, 0x285D
427 ], [
428 0x0B7C, 0x016E, 0x00B5, 0x00B4, 0x002F, 0x002E, 0x001B, 0x000A,
429 0x0008, 0x0005, 0x0001, 0x0000, 0x0003, 0x0007, 0x0004, 0x0009,
430 0x000C, 0x001A, 0x002C, 0x00B6, 0x02DE, 0x0B7D, 0x0B7E, 0x0B7F
431 ], [
432 0x0F8E, 0x1F1F, 0x03E2, 0x00F9, 0x003F, 0x001A, 0x0013, 0x0012,
433 0x000E, 0x0008, 0x0006, 0x0001, 0x0000, 0x0002, 0x0005, 0x0007,
434 0x000C, 0x001E, 0x001B, 0x007D, 0x01F0, 0x07C6, 0x3E3C, 0x3E3D
435 ], [
436 0x0CB6, 0x065A, 0x0197, 0x00CE, 0x00CA, 0x0064, 0x001E, 0x000E,
437 0x0003, 0x0005, 0x0003, 0x0000, 0x0002, 0x0004, 0x0002, 0x000D,
438 0x0018, 0x001F, 0x0066, 0x00CF, 0x032C, 0x196F, 0x32DC, 0x32DD
439 ], [
440 0x0456, 0x08A8, 0x0457, 0x008B, 0x0023, 0x0009, 0x0003, 0x0014,
441 0x000B, 0x0004, 0x0002, 0x0001, 0x0003, 0x0003, 0x0001, 0x0000,
442 0x0015, 0x0005, 0x0010, 0x0044, 0x0114, 0x08A9, 0x08AA, 0x08AB
443 ], [
444 0x03F5, 0x03F6, 0x007F, 0x003E, 0x001D, 0x0006, 0x0004, 0x0010,
445 0x0000, 0x0001, 0x0003, 0x0002, 0x0003, 0x0001, 0x0005, 0x0009,
446 0x0011, 0x0005, 0x001C, 0x001E, 0x00FC, 0x03F7, 0x07E8, 0x07E9
447 ], [
448 0x017D, 0x017C, 0x0174, 0x00BF, 0x005E, 0x002C, 0x0010, 0x000A,
449 0x0007, 0x0003, 0x0001, 0x0000, 0x0002, 0x0006, 0x0009, 0x0011,
450 0x002D, 0x005C, 0x00BB, 0x02EA, 0x05D6, 0x0BAF, 0x175C, 0x175D
451 ], [
452 0x0BDC, 0x02F6, 0x00BC, 0x002D, 0x002B, 0x000A, 0x0004, 0x0003,
453 0x0006, 0x0004, 0x0002, 0x0000, 0x0003, 0x0007, 0x000B, 0x0014,
454 0x002A, 0x002C, 0x002E, 0x005F, 0x017A, 0x0BDD, 0x0BDE, 0x0BDF
455 ], [
456 0x02EF, 0x005C, 0x002D, 0x0014, 0x001A, 0x0004, 0x000C, 0x0007,
457 0x0004, 0x0000, 0x0004, 0x0001, 0x0003, 0x0005, 0x0005, 0x0003,
458 0x001B, 0x0015, 0x002C, 0x002F, 0x00BA, 0x0176, 0x05DC, 0x05DD
459 ], [
460 0xB204, 0x1641, 0x0B21, 0x0591, 0x0165, 0x002D, 0x0017, 0x0006,
461 0x000A, 0x0007, 0x0002, 0x0002, 0x0003, 0x0000, 0x0004, 0x0006,
462 0x0007, 0x0058, 0x00B3, 0x02C9, 0x2C80, 0xB205, 0xB206, 0xB207
463 ], [
464 0x09CF, 0x1398, 0x139A, 0x1399, 0x0138, 0x004F, 0x0026, 0x0024,
465 0x001E, 0x000E, 0x0006, 0x0000, 0x0002, 0x0001, 0x0003, 0x0005,
466 0x0008, 0x001F, 0x0025, 0x009D, 0x0272, 0x139B, 0x139C, 0x139D
467 ]
468];
469const DIFF_CODE_LENS: [[u8; 24]; 13/*27*/] = [
470 [ 4, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 4, 5, 7, 8, 9, 11, 11, 12, 12, 12, 12 ],
471 [ 10, 8, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 4, 5, 7, 9, 11, 12, 13, 15, 15, 15, 16, 16 ],
472 [ 12, 10, 8, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 4, 4, 5, 5, 7, 9, 11, 13, 14, 14 ],
473 [ 13, 10, 9, 9, 7, 7, 5, 5, 4, 3, 3, 3, 3, 3, 4, 4, 4, 5, 7, 9, 11, 13, 13, 13 ],
474 [ 12, 13, 10, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 4, 5, 5, 6, 7, 9, 11, 14, 14 ],
475 [ 12, 11, 9, 8, 8, 7, 5, 4, 4, 3, 3, 3, 3, 3, 4, 4, 5, 5, 7, 8, 10, 13, 14, 14 ],
476 [ 15, 16, 15, 12, 10, 8, 6, 5, 4, 3, 3, 3, 2, 3, 4, 5, 5, 7, 9, 11, 13, 16, 16, 16 ],
477 [ 14, 14, 11, 10, 9, 7, 7, 5, 5, 4, 3, 3, 2, 3, 3, 4, 5, 7, 9, 9, 12, 14, 15, 15 ],
478 [ 9, 9, 9, 8, 7, 6, 5, 4, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 13 ],
479 [ 14, 12, 10, 8, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 4, 5, 6, 8, 8, 9, 11, 14, 14, 14 ],
480 [ 13, 10, 9, 8, 6, 6, 5, 4, 4, 4, 3, 3, 2, 3, 4, 5, 6, 8, 9, 9, 11, 12, 14, 14 ],
481 [ 16, 13, 12, 11, 9, 6, 5, 5, 4, 4, 4, 3, 2, 3, 3, 4, 5, 7, 8, 10, 14, 16, 16, 16 ],
482 [ 13, 14, 14, 14, 10, 8, 7, 7, 5, 4, 3, 3, 2, 3, 3, 4, 5, 5, 7, 9, 11, 14, 14, 14 ]
483];
484
485const VEC_CB0_BITS: [u16; 181] = [
486 0x0000, 0x0001, 0x0001, 0x0010, 0x0044, 0x0114, 0x0115, 0x008B,
487 0x0023, 0x0009, 0x0005, 0x0018, 0x0019, 0x000D, 0x0007, 0x0001,
488 0x0010, 0x0044, 0x0114, 0x0115, 0x022C, 0x045A, 0x045B, 0x0117,
489 0x0046, 0x0047, 0x0009, 0x0014, 0x0015, 0x0016, 0x002E, 0x005E,
490 0x005F, 0x000C, 0x001A, 0x0036, 0x0037, 0x000E, 0x001E, 0x003E,
491 0x00FC, 0x00FD, 0x01FC, 0x01FD, 0x01FE, 0x01FF, 0x0008, 0x0090,
492 0x0091, 0x0049, 0x004A, 0x004B, 0x004C, 0x009A, 0x0136, 0x09B8,
493 0x1372, 0x1373, 0x1374, 0x1375, 0x1376, 0x1377, 0x026F, 0x004E,
494 0x004F, 0x000A, 0x0016, 0x0017, 0x0018, 0x0032, 0x0033, 0x00D0,
495 0x01A2, 0x0346, 0x0347, 0x0069, 0x00D4, 0x00D5, 0x01AC, 0x06B4,
496 0x06B5, 0x06B6, 0x1ADC, 0x1ADD, 0x0D6F, 0x00D7, 0x0036, 0x0037,
497 0x000E, 0x0078, 0x0079, 0x003D, 0x003E, 0x003F, 0x0002, 0x0003,
498 0x0020, 0x0420, 0x0421, 0x0422, 0x0423, 0x0212, 0x0426, 0x0427,
499 0x0085, 0x010C, 0x010D, 0x010E, 0x010F, 0x0044, 0x0114, 0x022A,
500 0x022B, 0x0116, 0x08B8, 0x08B9, 0x045D, 0x1178, 0x1179, 0x08BD,
501 0x045F, 0x008C, 0x008D, 0x0047, 0x0012, 0x0098, 0x0099, 0x0134,
502 0x0135, 0x0136, 0x0137, 0x004E, 0x0278, 0x0279, 0x013D, 0x013E,
503 0x09F8, 0x27E4, 0x27E5, 0x13F3, 0x04FD, 0x027F, 0x000A, 0x0016,
504 0x005C, 0x00BA, 0x00BB, 0x005E, 0x02F8, 0x02F9, 0x017D, 0x00BF,
505 0x0018, 0x0032, 0x0033, 0x0034, 0x0350, 0x0351, 0x0352, 0x0353,
506 0x00D5, 0x006B, 0x006C, 0x00DA, 0x00DB, 0x006E, 0x01BC, 0x01BD,
507 0x00DF, 0x001C, 0x003A, 0x03B0, 0x0762, 0x0763, 0x01D9, 0x01DA,
508 0x01DB, 0x00EE, 0x00EF, 0x000F, 0x0001
509];
510const VEC_CB0_LENS: [u8; 181] = [
511 9, 9, 8, 11, 13, 15, 15, 14, 12, 10, 9, 11, 11, 10, 9, 6,
512 9, 11, 13, 13, 14, 15, 15, 13, 11, 11, 8, 9, 9, 9, 10, 11,
513 11, 8, 9, 10, 10, 8, 9, 10, 12, 12, 13, 13, 13, 13, 7, 11,
514 11, 10, 10, 10, 10, 11, 12, 15, 16, 16, 16, 16, 16, 16, 13, 10,
515 10, 7, 8, 8, 8, 9, 9, 11, 12, 13, 13, 10, 11, 11, 12, 14,
516 14, 14, 16, 16, 15, 11, 9, 9, 7, 10, 10, 9, 9, 9, 4, 4,
517 7, 12, 12, 12, 12, 11, 12, 12, 9, 10, 10, 10, 10, 8, 10, 11,
518 11, 10, 13, 13, 12, 14, 14, 13, 12, 9, 9, 8, 6, 9, 9, 10,
519 10, 10, 10, 8, 11, 11, 10, 10, 13, 15, 15, 14, 12, 11, 5, 6,
520 8, 9, 9, 8, 11, 11, 10, 9, 6, 7, 7, 7, 11, 11, 11, 11,
521 9, 8, 8, 9, 9, 8, 10, 10, 9, 6, 7, 11, 12, 12, 10, 10,
522 10, 9, 9, 5, 1
523];
524const VEC_CB0_SYMS: [u16; 181] = [
525 37, 51, 5, 102, 76, 139, 155, 169, 151, 41, 82, 103,
526 118, 100, 8, 32, 113, 134, 211, 182, 213, 214, 124, 183,
527 28, 29, 96, 52, 24, 67, 146, 193, 104, 35, 144, 176,
528 115, 21, 129, 70, 210, 45, 123, 197, 92, 61, 49, 74,
529 164, 56, 11, 177, 42, 192, 195, 109, 185, 156, 140, 216,
530 171, 201, 212, 27, 57, 19, 81, 50, 6, 145, 38, 12,
531 60, 122, 77, 131, 119, 59, 166, 153, 199, 93, 125, 141,
532 215, 13, 98, 53, 64, 101, 85, 9, 25, 114, 16, 1,
533 4, 137, 106, 150, 121, 149, 91, 167, 83, 116, 117, 71,
534 178, 112, 162, 179, 44, 147, 152, 198, 181, 154, 170, 138,
535 107, 10, 39, 97, 18, 40, 54, 86, 72, 88, 43, 22,
536 209, 90, 163, 133, 108, 186, 200, 184, 196, 165, 17, 33,
537 7, 26, 68, 36, 135, 208, 87, 99, 48, 20, 80, 34,
538 105, 180, 75, 194, 161, 66, 23, 160, 84, 128, 58, 148,
539 55, 3, 65, 120, 136, 168, 132, 73, 89, 69, 130, 2, 0
540];
541
542const VEC_CB1_BITS: [u16; 94] = [
543 0x0000, 0x0010, 0x0044, 0x0045, 0x0023, 0x0009, 0x0005, 0x000C,
544 0x000D, 0x000E, 0x001E, 0x001F, 0x0001, 0x0002, 0x000C, 0x0034,
545 0x01A8, 0x0352, 0x0353, 0x00D5, 0x006B, 0x0036, 0x006E, 0x006F,
546 0x01C0, 0x01C1, 0x00E1, 0x0071, 0x0072, 0x0073, 0x01D0, 0x03A2,
547 0x03A3, 0x00E9, 0x0075, 0x003B, 0x0078, 0x00F2, 0x01E6, 0x01E7,
548 0x003D, 0x001F, 0x0020, 0x0021, 0x0088, 0x0112, 0x0113, 0x0045,
549 0x0023, 0x0024, 0x0094, 0x0095, 0x004B, 0x004C, 0x009A, 0x0136,
550 0x04DC, 0x4DD0, 0x4DD1, 0x26E9, 0x1375, 0x09BB, 0x026F, 0x0027,
551 0x000A, 0x000B, 0x0018, 0x0064, 0x00CA, 0x0196, 0x0197, 0x0066,
552 0x0067, 0x001A, 0x001B, 0x000E, 0x0078, 0x0790, 0x0F22, 0x1E46,
553 0x1E47, 0x03C9, 0x01E5, 0x00F3, 0x007A, 0x00F6, 0x03DC, 0x07BA,
554 0x1EEC, 0x1EED, 0x0F77, 0x01EF, 0x001F, 0x0001
555];
556const VEC_CB1_LENS: [u8; 94] = [
557 5, 9, 11, 11, 10, 8, 7, 8, 8, 8, 9, 9, 4, 4, 6, 8,
558 11, 12, 12, 10, 9, 8, 9, 9, 11, 11, 10, 9, 9, 9, 11, 12,
559 12, 10, 9, 8, 9, 10, 11, 11, 8, 7, 7, 7, 9, 10, 10, 8,
560 7, 7, 9, 9, 8, 8, 9, 10, 12, 16, 16, 15, 14, 13, 11, 7,
561 5, 5, 6, 8, 9, 10, 10, 8, 8, 6, 6, 5, 8, 12, 13, 14,
562 14, 11, 10, 9, 8, 9, 11, 12, 14, 14, 13, 10, 6, 1
563];
564const VEC_CB1_SYMS: [u16; 94] = [
565 17, 23, 86, 131, 85, 80, 49, 21, 5, 36, 83, 112,
566 1, 16, 33, 51, 71, 87, 88, 70, 39, 81, 53, 113,
567 145, 117, 55, 68, 98, 7, 41, 118, 57, 100, 84, 66,
568 99, 115, 116, 132, 52, 64, 20, 65, 54, 25, 128, 37,
569 4, 35, 8, 69, 22, 6, 24, 144, 147, 120, 105, 150,
570 135, 148, 102, 50, 2, 32, 3, 82, 114, 9, 56, 97,
571 67, 19, 48, 18, 96, 103, 73, 104, 149, 146, 130, 40,
572 38, 129, 72, 133, 119, 89, 134, 101, 34, 0
573];
574
575const VEC_CB2_BITS: [u16; 48] = [
576 0x0000, 0x0008, 0x0024, 0x004A, 0x004B, 0x0013, 0x000A, 0x000B,
577 0x0018, 0x0019, 0x0034, 0x0035, 0x006C, 0x00DA, 0x01B6, 0x01B7,
578 0x0037, 0x001C, 0x001D, 0x001E, 0x003E, 0x003F, 0x0002, 0x0018,
579 0x0019, 0x000D, 0x0007, 0x0008, 0x0009, 0x000A, 0x0160, 0x0161,
580 0x0162, 0x0163, 0x0059, 0x00B4, 0x2D40, 0x5A82, 0x5A83, 0x16A1,
581 0x0B51, 0x05A9, 0x02D5, 0x016B, 0x005B, 0x0017, 0x0003, 0x0001
582];
583const VEC_CB2_LENS: [u8; 48] = [
584 4, 7, 9, 10, 10, 8, 7, 7, 8, 8, 9, 9, 10, 11, 12, 12,
585 9, 8, 8, 8, 9, 9, 4, 7, 7, 6, 5, 5, 5, 5, 10, 10,
586 10, 10, 8, 9, 15, 16, 16, 14, 13, 12, 11, 10, 8, 6, 3, 1
587];
588const VEC_CB2_SYMS: [u16; 48] = [
589 8, 25, 13, 42, 14, 12, 3, 24, 33, 4, 28, 41,
590 36, 22, 44, 30, 35, 32, 27, 20, 40, 21, 9, 19,
591 26, 18, 2, 10, 17, 16, 49, 29, 43, 50, 34, 6,
592 45, 53, 46, 52, 38, 51, 37, 48, 5, 11, 1, 0
593];
594
595const VEC_CB3_BITS: [u16; 520] = [
596 0x0000, 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086,
597 0x0087, 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E,
598 0x008F, 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096,
599 0x0097, 0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E,
600 0x013E, 0x013F, 0x0005, 0x0003, 0x0002, 0x000C, 0x001A, 0x001B,
601 0x0038, 0x0039, 0x003A, 0x003B, 0x000F, 0x0008, 0x0090, 0x0091,
602 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099,
603 0x009A, 0x009B, 0x0027, 0x0005, 0x000C, 0x000D, 0x000E, 0x001E,
604 0x001F, 0x0040, 0x0041, 0x0042, 0x0860, 0x0861, 0x0862, 0x0863,
605 0x0864, 0x0865, 0x0866, 0x0867, 0x0868, 0x0869, 0x086A, 0x086B,
606 0x086C, 0x086D, 0x086E, 0x086F, 0x0870, 0x0871, 0x0872, 0x0873,
607 0x0874, 0x0875, 0x0876, 0x0877, 0x0878, 0x0879, 0x087A, 0x087B,
608 0x087C, 0x087D, 0x087E, 0x087F, 0x0880, 0x0881, 0x0882, 0x0883,
609 0x0884, 0x0885, 0x0886, 0x0887, 0x0888, 0x0889, 0x088A, 0x088B,
610 0x088C, 0x088D, 0x088E, 0x088F, 0x0890, 0x0891, 0x0892, 0x0893,
611 0x0894, 0x0895, 0x0896, 0x0897, 0x0898, 0x0899, 0x089A, 0x089B,
612 0x089C, 0x089D, 0x089E, 0x089F, 0x08A0, 0x08A1, 0x08A2, 0x08A3,
613 0x08A4, 0x08A5, 0x08A6, 0x08A7, 0x08A8, 0x08A9, 0x08AA, 0x08AB,
614 0x08AC, 0x08AD, 0x08AE, 0x08AF, 0x08B0, 0x08B1, 0x08B2, 0x08B3,
615 0x08B4, 0x08B5, 0x08B6, 0x08B7, 0x08B8, 0x08B9, 0x08BA, 0x08BB,
616 0x08BC, 0x08BD, 0x08BE, 0x08BF, 0x08C0, 0x08C1, 0x08C2, 0x08C3,
617 0x08C4, 0x08C5, 0x08C6, 0x08C7, 0x08C8, 0x08C9, 0x08CA, 0x08CB,
618 0x08CC, 0x08CD, 0x08CE, 0x08CF, 0x08D0, 0x08D1, 0x08D2, 0x08D3,
619 0x08D4, 0x08D5, 0x08D6, 0x08D7, 0x08D8, 0x08D9, 0x08DA, 0x08DB,
620 0x08DC, 0x08DD, 0x08DE, 0x08DF, 0x08E0, 0x08E1, 0x08E2, 0x08E3,
621 0x08E4, 0x08E5, 0x08E6, 0x08E7, 0x08E8, 0x08E9, 0x08EA, 0x08EB,
622 0x08EC, 0x08ED, 0x08EE, 0x08EF, 0x08F0, 0x08F1, 0x08F2, 0x08F3,
623 0x08F4, 0x08F5, 0x08F6, 0x08F7, 0x08F8, 0x08F9, 0x08FA, 0x08FB,
624 0x08FC, 0x08FD, 0x08FE, 0x08FF, 0x0009, 0x0A00, 0x0A01, 0x0A02,
625 0x0A03, 0x0A04, 0x0A05, 0x0A06, 0x0A07, 0x0A08, 0x0A09, 0x0A0A,
626 0x0A0B, 0x0A0C, 0x0A0D, 0x0A0E, 0x0A0F, 0x0A10, 0x0A11, 0x0A12,
627 0x0A13, 0x0A14, 0x0A15, 0x0A16, 0x0A17, 0x0A18, 0x0A19, 0x0A1A,
628 0x0A1B, 0x0A1C, 0x0A1D, 0x0A1E, 0x0A1F, 0x0A20, 0x0A21, 0x0A22,
629 0x0A23, 0x0A24, 0x0A25, 0x0A26, 0x0A27, 0x0A28, 0x0A29, 0x0A2A,
630 0x0A2B, 0x0A2C, 0x0A2D, 0x0A2E, 0x0A2F, 0x00A3, 0x0029, 0x002A,
631 0x0056, 0x0057, 0x000B, 0x0003, 0x0004, 0x0005, 0x0030, 0x0062,
632 0x18C0, 0x18C1, 0x18C2, 0x18C3, 0x18C4, 0x18C5, 0x18C6, 0x18C7,
633 0x0319, 0x018D, 0x00C7, 0x0032, 0x0198, 0x0199, 0x019A, 0x019B,
634 0x0067, 0x001A, 0x0360, 0x0361, 0x0362, 0x0363, 0x0364, 0x0365,
635 0x0366, 0x0367, 0x0368, 0x0369, 0x036A, 0x036B, 0x00DB, 0x006E,
636 0x006F, 0x001C, 0x00E8, 0x00E9, 0x0075, 0x0076, 0x0077, 0x0780,
637 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0786, 0x0787, 0x0788,
638 0x0789, 0x078A, 0x078B, 0x078C, 0x078D, 0x078E, 0x078F, 0x0079,
639 0x003D, 0x007C, 0x07D0, 0x07D1, 0x07D2, 0x07D3, 0x01F5, 0x00FB,
640 0x00FC, 0x00FD, 0x00FE, 0x01FE, 0x01FF, 0x0004, 0x0005, 0x000C,
641 0x0068, 0x00D2, 0x00D3, 0x0035, 0x0036, 0x0037, 0x0038, 0x00E4,
642 0x00E5, 0x0073, 0x003A, 0x0076, 0x01DC, 0x01DD, 0x00EF, 0x000F,
643 0x0008, 0x0009, 0x0050, 0x0144, 0x0145, 0x0146, 0x028E, 0x051E,
644 0x051F, 0x0052, 0x0530, 0x0531, 0x0532, 0x0533, 0x0534, 0x0535,
645 0x0536, 0x0537, 0x014E, 0x0A78, 0x0A79, 0x0A7A, 0x0A7B, 0x0A7C,
646 0x0A7D, 0x0A7E, 0x0A7F, 0x0015, 0x0016, 0x0017, 0x0006, 0x0070,
647 0x00E2, 0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x038D, 0x01C7, 0x0039,
648 0x01D0, 0x03A2, 0x0E8C, 0x0E8D, 0x0747, 0x00E9, 0x0075, 0x003B,
649 0x001E, 0x007C, 0x00FA, 0x03EC, 0x03ED, 0x03EE, 0x07DE, 0x07DF,
650 0x07E0, 0x07E1, 0x07E2, 0x07E3, 0x01F9, 0x00FD, 0x007F, 0x0008,
651 0x0090, 0x0091, 0x0092, 0x0093, 0x0128, 0x0129, 0x012A, 0x0958,
652 0x9590, 0x9591, 0x4AC9, 0x2565, 0x12B3, 0x04AD, 0x0257, 0x004B,
653 0x0098, 0x0264, 0x0265, 0x0266, 0x04CE, 0x04CF, 0x004D, 0x009C,
654 0x013A, 0x0276, 0x0277, 0x004F, 0x00A0, 0x0284, 0x050A, 0x050B,
655 0x050C, 0x0A1A, 0x0A1B, 0x0A1C, 0x0A1D, 0x0A1E, 0x0A1F, 0x00A2,
656 0x0A30, 0x0A31, 0x0A32, 0x0A33, 0x028D, 0x028E, 0x1478, 0x1479,
657 0x147A, 0x147B, 0x147C, 0x147D, 0x147E, 0x147F, 0x0029, 0x0015,
658 0x0058, 0x0059, 0x00B4, 0x16A0, 0x16A1, 0x16A2, 0x16A3, 0x16A4,
659 0x16A5, 0x16A6, 0x2D4E, 0x2D4F, 0x02D5, 0x016B, 0x02D8, 0x02D9,
660 0x016D, 0x016E, 0x05BC, 0x05BD, 0x02DF, 0x002E, 0x002F, 0x0003
661];
662const VEC_CB3_LENS: [u8; 520] = [
663 8, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
664 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
665 16, 16, 10, 9, 8, 10, 11, 11, 12, 12, 12, 12, 10, 9, 13, 13,
666 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 8, 9, 9, 9, 10,
667 10, 11, 11, 11, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
668 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
669 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
670 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
671 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
672 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
673 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
674 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
675 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
676 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
677 16, 16, 16, 16, 8, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
678 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
679 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
680 16, 16, 16, 16, 16, 12, 10, 10, 11, 11, 8, 6, 6, 6, 9, 10,
681 16, 16, 16, 16, 16, 16, 16, 16, 13, 12, 11, 9, 12, 12, 12, 12,
682 10, 8, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 10,
683 10, 8, 11, 11, 10, 10, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14,
684 14, 14, 14, 14, 14, 14, 14, 10, 9, 10, 14, 14, 14, 14, 12, 11,
685 11, 11, 11, 12, 12, 5, 5, 6, 9, 10, 10, 8, 8, 8, 8, 10,
686 10, 9, 8, 9, 11, 11, 10, 6, 5, 5, 8, 10, 10, 10, 11, 12,
687 12, 8, 12, 12, 12, 12, 12, 12, 12, 12, 10, 13, 13, 13, 13, 13,
688 13, 13, 13, 6, 6, 6, 4, 8, 9, 13, 13, 13, 13, 11, 10, 7,
689 10, 11, 13, 13, 12, 9, 8, 7, 6, 8, 9, 11, 11, 11, 12, 12,
690 12, 12, 12, 12, 10, 9, 8, 4, 8, 8, 8, 8, 9, 9, 9, 12,
691 16, 16, 15, 14, 13, 11, 10, 7, 8, 10, 10, 10, 11, 11, 7, 8,
692 9, 10, 10, 7, 8, 10, 11, 11, 11, 12, 12, 12, 12, 12, 12, 8,
693 12, 12, 12, 12, 10, 10, 13, 13, 13, 13, 13, 13, 13, 13, 6, 5,
694 7, 7, 8, 13, 13, 13, 13, 13, 13, 13, 14, 14, 10, 9, 10, 10,
695 9, 9, 11, 11, 10, 6, 6, 2
696];
697const VEC_CB3_SYMS: [u16; 520] = [
698 74, 1120, 1682, 1745, 1801, 274, 1050, 730, 546, 1058, 1729, 1539,
699 2240, 1547, 1163, 1730, 2064, 1624, 723, 1235, 1115, 35, 2248, 1304,
700 644, 196, 1625, 1036, 1548, 1185, 652, 1044, 2136, 1753, 1664, 129,
701 640, 83, 665, 130, 1225, 1232, 602, 76, 587, 1161, 1049, 545,
702 265, 1218, 2113, 202, 98, 131, 643, 1288, 524, 785, 720, 1096,
703 704, 528, 657, 601, 67, 537, 33, 579, 1746, 2258, 1248, 786,
704 1298, 1810, 2265, 2313, 1761, 1562, 2074, 2264, 1569, 2257, 225, 2138,
705 1056, 2081, 2249, 1690, 2202, 736, 2186, 1242, 1754, 282, 794, 1306,
706 1792, 1561, 2201, 1570, 2073, 281, 1122, 1634, 2178, 674, 1186, 1698,
707 226, 738, 1250, 1240, 289, 800, 1738, 2051, 1632, 1121, 793, 1603,
708 2115, 1633, 2250, 737, 1667, 2179, 195, 707, 1219, 1731, 2243, 259,
709 771, 1283, 1795, 2304, 2144, 2305, 1249, 2059, 2192, 2072, 2200, 1611,
710 2123, 1689, 288, 1696, 1675, 2187, 203, 792, 1227, 1739, 2251, 267,
711 779, 1291, 1803, 1802, 2256, 2242, 1555, 2067, 1560, 258, 1688, 1619,
712 2131, 770, 2145, 2114, 1683, 2195, 211, 1057, 2065, 1747, 275, 787,
713 1299, 1817, 1697, 1051, 1563, 2075, 1794, 2050, 801, 1627, 2139, 1800,
714 667, 1179, 1691, 219, 731, 1243, 1755, 283, 795, 2066, 547, 1059,
715 1571, 1184, 611, 1123, 1635, 163, 675, 1187, 227, 739, 1568, 1760,
716 1028, 1540, 2052, 2193, 1752, 1092, 1604, 2116, 1793, 2177, 1156, 1668,
717 649, 1618, 708, 1220, 1732, 260, 772, 1808, 1816, 280, 2312, 2060,
718 1305, 1241, 1297, 1612, 2124, 140, 2122, 1164, 1676, 204, 716, 1228,
719 1740, 268, 780, 2241, 1809, 2194, 1556, 2137, 2058, 1108, 1620, 148,
720 660, 1172, 1684, 212, 724, 1236, 28, 540, 1052, 1564, 92, 604,
721 1116, 666, 1105, 1153, 1673, 1162, 522, 584, 513, 73, 712, 650,
722 1628, 156, 668, 1180, 220, 732, 36, 548, 672, 777, 32, 656,
723 1233, 1113, 1602, 1665, 523, 586, 609, 1538, 728, 1112, 1289, 257,
724 1280, 1234, 216, 610, 1091, 2121, 1026, 1224, 1608, 1600, 96, 536,
725 713, 1104, 26, 1296, 1282, 2130, 1626, 218, 162, 1744, 1155, 2129,
726 715, 1043, 1281, 147, 1171, 224, 99, 1169, 144, 1672, 132, 1100,
727 2185, 596, 264, 768, 664, 1168, 1106, 154, 651, 64, 8, 585,
728 594, 201, 90, 1097, 593, 11, 1089, 2048, 1098, 89, 3, 75,
729 208, 91, 1090, 65, 576, 9, 137, 642, 658, 515, 20, 1736,
730 1728, 1025, 194, 784, 722, 538, 34, 1099, 769, 2176, 1544, 608,
731 1666, 1546, 217, 160, 2184, 544, 1027, 577, 521, 520, 1, 1032,
732 145, 2049, 1680, 659, 273, 97, 2112, 16, 138, 1217, 580, 588,
733 729, 4, 514, 81, 2, 592, 192, 1042, 531, 595, 2120, 1610,
734 714, 1170, 139, 1737, 1034, 88, 578, 512, 18, 1536, 1033, 66,
735 24, 200, 530, 84, 100, 612, 2080, 266, 1177, 209, 1601, 80,
736 1160, 146, 600, 152, 1035, 776, 17, 82, 25, 1609, 153, 648,
737 529, 1216, 1545, 27, 68, 272, 1552, 161, 1176, 1048, 1617, 641,
738 210, 1114, 1553, 1616, 1040, 705, 2057, 706, 2128, 1674, 1226, 1554,
739 1178, 1107, 10, 72, 136, 128, 1152, 1681, 539, 603, 155, 516,
740 673, 532, 778, 1290, 1537, 12, 721, 256, 1041, 19, 1154, 2056,
741 193, 1024, 1088, 0
742];
743
744const VEC_CB4_BITS: [u16; 209] = [
745 0x0000, 0x0004, 0x000A, 0x0016, 0x002E, 0x0178, 0x0179, 0x00BD,
746 0x05F0, 0x05F1, 0x05F2, 0x05F3, 0x05F4, 0x05F5, 0x05F6, 0x05F7,
747 0x05F8, 0x05F9, 0x05FA, 0x05FB, 0x05FC, 0x05FD, 0x05FE, 0x05FF,
748 0x0018, 0x0019, 0x000D, 0x001C, 0x001D, 0x000F, 0x0001, 0x0002,
749 0x0018, 0x0064, 0x0328, 0x0CA4, 0x0CA5, 0x0CA6, 0x0CA7, 0x0CA8,
750 0x0CA9, 0x0655, 0x032B, 0x00CB, 0x0066, 0x0067, 0x000D, 0x000E,
751 0x000F, 0x0001, 0x0010, 0x0440, 0x1104, 0x220A, 0x220B, 0x0883,
752 0x0221, 0x0111, 0x0089, 0x0045, 0x0118, 0x0119, 0x0468, 0x08D2,
753 0x08D3, 0x08D4, 0x08D5, 0x046B, 0x011B, 0x008E, 0x023C, 0x047A,
754 0x08F6, 0x23DC, 0x23DD, 0x23DE, 0x23DF, 0x011F, 0x0009, 0x000A,
755 0x0058, 0x02C8, 0x0592, 0x164C, 0x164D, 0x164E, 0x164F, 0x0B28,
756 0x0B29, 0x0595, 0x0596, 0x0597, 0x02CC, 0x059A, 0x0B36, 0x0B37,
757 0x0B38, 0x2CE4, 0x59CA, 0x59CB, 0x1673, 0x059D, 0x02CF, 0x00B4,
758 0x00B5, 0x005B, 0x0017, 0x0018, 0x0019, 0x001A, 0x0036, 0x01B8,
759 0x06E4, 0x1B94, 0x1B95, 0x0DCB, 0x0373, 0x06E8, 0x06E9, 0x0375,
760 0x01BB, 0x006F, 0x001C, 0x0074, 0x00EA, 0x01D6, 0x0EB8, 0x1D72,
761 0x75CC, 0x75CD, 0x75CE, 0x75CF, 0x75D0, 0x75D1, 0x75D2, 0x75D3,
762 0x75D4, 0x75D5, 0x75D6, 0x75D7, 0x75D8, 0x75D9, 0x75DA, 0x75DB,
763 0x75DC, 0x75DD, 0x75DE, 0x75DF, 0x75E0, 0x75E1, 0x75E2, 0x75E3,
764 0x75E4, 0x75E5, 0x75E6, 0x75E7, 0x75E8, 0x75E9, 0x75EA, 0x75EB,
765 0x75EC, 0x75ED, 0x75EE, 0x75EF, 0x75F0, 0x75F1, 0x75F2, 0x75F3,
766 0x75F4, 0x75F5, 0x75F6, 0x75F7, 0x75F8, 0x75F9, 0x75FA, 0x75FB,
767 0x75FC, 0x75FD, 0x75FE, 0x75FF, 0x00EC, 0x01DA, 0x76C0, 0x76C1,
768 0x76C2, 0x76C3, 0x76C4, 0x76C5, 0x76C6, 0x76C7, 0x76C8, 0x76C9,
769 0x76CA, 0x76CB, 0x76CC, 0x76CD, 0x76CE, 0x76CF, 0x76D0, 0x76D1,
770 0x76D2, 0x76D3, 0x76D4, 0x76D5, 0x3B6B, 0x0EDB, 0x03B7, 0x0077, 0x000F
771];
772const VEC_CB4_LENS: [u8; 209] = [
773 5, 7, 8, 9, 10, 13, 13, 12, 15, 15, 15, 15, 15, 15, 15, 15,
774 15, 15, 15, 15, 15, 15, 15, 15, 9, 9, 8, 9, 9, 8, 4, 4,
775 7, 9, 12, 14, 14, 14, 14, 14, 14, 13, 12, 10, 9, 9, 6, 6,
776 6, 2, 5, 11, 13, 14, 14, 12, 10, 9, 8, 7, 9, 9, 11, 12,
777 12, 12, 12, 11, 9, 8, 10, 11, 12, 14, 14, 14, 14, 9, 4, 4,
778 7, 10, 11, 13, 13, 13, 13, 12, 12, 11, 11, 11, 10, 11, 12, 12,
779 12, 14, 15, 15, 13, 11, 10, 8, 8, 7, 5, 5, 5, 5, 6, 9,
780 11, 13, 13, 12, 10, 11, 11, 10, 9, 7, 5, 7, 8, 9, 12, 13,
781 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
782 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
783 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
784 15, 15, 15, 15, 8, 9, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
785 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 12, 10, 7, 4
786];
787const VEC_CB4_SYMS: [u16; 209] = [
788 80, 128, 96, 132, 160, 134, 92, 23, 180, 228, 232, 214,
789 225, 166, 54, 138, 121, 131, 147, 99, 141, 75, 27, 91,
790 37, 66, 24, 129, 145, 36, 1, 64, 6, 73, 34, 57,
791 49, 42, 106, 14, 56, 130, 98, 7, 33, 97, 69, 81,
792 85, 0, 20, 12, 76, 11, 44, 212, 40, 70, 22, 144,
793 86, 149, 165, 196, 102, 137, 146, 52, 72, 148, 192, 28,
794 19, 120, 30, 224, 169, 82, 4, 16, 8, 208, 48, 93,
795 168, 193, 53, 152, 67, 161, 112, 29, 41, 74, 77, 150,
796 71, 87, 114, 178, 213, 116, 164, 18, 101, 32, 65, 21,
797 84, 17, 2, 3, 153, 113, 83, 117, 105, 38, 90, 13,
798 10, 100, 68, 9, 89, 133, 197, 209, 181, 61, 245, 198,
799 205, 125, 156, 220, 233, 172, 216, 230, 109, 118, 182, 217,
800 176, 173, 202, 204, 108, 154, 218, 184, 185, 170, 58, 122,
801 124, 78, 142, 201, 94, 158, 46, 110, 157, 200, 240, 195,
802 244, 60, 210, 211, 35, 241, 163, 51, 115, 221, 229, 135,
803 88, 26, 199, 177, 45, 151, 215, 39, 103, 167, 55, 119,
804 140, 162, 139, 226, 50, 155, 43, 107, 15, 79, 31, 95,
805 194, 136, 104, 25, 5
806];
807
808const VEC_CB5_BITS: [u16; 192] = [
809 0x0000, 0x0004, 0x0005, 0x0060, 0x0184, 0x030A, 0x0616, 0x0617,
810 0x030C, 0x061A, 0x061B, 0x0187, 0x0031, 0x0019, 0x001A, 0x001B,
811 0x000E, 0x003C, 0x003D, 0x003E, 0x007E, 0x01FC, 0x03FA, 0x1FD8,
812 0x1FD9, 0x0FED, 0x0FEE, 0x0FEF, 0x00FF, 0x0010, 0x0044, 0x008A,
813 0x008B, 0x0023, 0x0009, 0x000A, 0x000B, 0x0060, 0x1840, 0x1841,
814 0x1842, 0x1843, 0x0C22, 0x0C23, 0x0612, 0x184C, 0x309A, 0x309B,
815 0x0C27, 0x030A, 0x0616, 0x0617, 0x0186, 0x1870, 0x1871, 0x0C39,
816 0x0C3A, 0x0C3B, 0x061E, 0x0C3E, 0x0C3F, 0x0031, 0x0019, 0x001A,
817 0x0036, 0x00DC, 0x0DD0, 0x0DD1, 0x06E9, 0x0375, 0x01BB, 0x01BC,
818 0x0DE8, 0x37A4, 0x6F4A, 0x6F4B, 0x1BD3, 0x06F5, 0x06F6, 0x1BDC,
819 0x1BDD, 0x0DEF, 0x0DF0, 0x0DF1, 0x6F90, 0x6F91, 0x6F92, 0x6F93,
820 0x6F94, 0x6F95, 0x6F96, 0x6F97, 0x6F98, 0x6F99, 0x6F9A, 0x6F9B,
821 0x6F9C, 0x6F9D, 0x6F9E, 0x6F9F, 0x6FA0, 0x6FA1, 0x6FA2, 0x6FA3,
822 0x6FA4, 0x6FA5, 0x6FA6, 0x6FA7, 0x6FA8, 0x6FA9, 0x6FAA, 0x6FAB,
823 0x6FAC, 0x6FAD, 0x6FAE, 0x6FAF, 0x6FB0, 0x6FB1, 0x6FB2, 0x6FB3,
824 0x6FB4, 0x6FB5, 0x6FB6, 0x6FB7, 0x6FB8, 0x6FB9, 0x6FBA, 0x6FBB,
825 0x6FBC, 0x6FBD, 0x6FBE, 0x6FBF, 0x6FC0, 0x6FC1, 0x6FC2, 0x6FC3,
826 0x6FC4, 0x6FC5, 0x6FC6, 0x6FC7, 0x6FC8, 0x6FC9, 0x6FCA, 0x6FCB,
827 0x6FCC, 0x6FCD, 0x6FCE, 0x6FCF, 0x6FD0, 0x6FD1, 0x6FD2, 0x6FD3,
828 0x6FD4, 0x6FD5, 0x6FD6, 0x6FD7, 0x6FD8, 0x6FD9, 0x6FDA, 0x6FDB,
829 0x6FDC, 0x6FDD, 0x37EF, 0x0DFC, 0x0DFD, 0x0DFE, 0x37FC, 0x37FD,
830 0x37FE, 0x37FF, 0x001C, 0x003A, 0x0076, 0x0077, 0x00F0, 0x00F1,
831 0x03C8, 0x0792, 0x1E4C, 0x1E4D, 0x1E4E, 0x1E4F, 0x1E50, 0x1E51,
832 0x1E52, 0x1E53, 0x0F2A, 0x0F2B, 0x03CB, 0x00F3, 0x003D, 0x001F
833];
834const VEC_CB5_LENS: [u8; 192] = [
835 2, 4, 4, 8, 10, 11, 12, 12, 11, 12, 12, 10, 7, 6, 6, 6,
836 5, 7, 7, 7, 8, 10, 11, 14, 14, 13, 13, 13, 9, 5, 7, 8,
837 8, 6, 4, 4, 4, 7, 13, 13, 13, 13, 12, 12, 11, 13, 14, 14,
838 12, 10, 11, 11, 9, 13, 13, 12, 12, 12, 11, 12, 12, 6, 5, 5,
839 6, 8, 12, 12, 11, 10, 9, 9, 12, 14, 15, 15, 13, 11, 11, 13,
840 13, 12, 12, 12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
841 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
842 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
843 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
844 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
845 15, 15, 14, 12, 12, 12, 14, 14, 14, 14, 5, 6, 7, 7, 8, 8,
846 10, 11, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 10, 8, 6, 5
847];
848const VEC_CB5_SYMS: [u16; 192] = [
849 0, 1, 256, 277, 24, 25, 262, 88, 100, 132, 70, 384,
850 81, 17, 272, 68, 5, 321, 69, 276, 337, 144, 72, 10,
851 389, 289, 532, 517, 32, 320, 324, 325, 2, 260, 4, 64,
852 16, 273, 352, 265, 264, 329, 97, 148, 66, 86, 533, 149,
853 37, 36, 400, 22, 128, 280, 326, 516, 101, 292, 528, 577,
854 592, 21, 20, 80, 336, 512, 133, 580, 33, 96, 576, 9,
855 274, 593, 597, 581, 356, 513, 288, 338, 278, 328, 388, 73,
856 405, 661, 344, 660, 549, 152, 417, 613, 165, 421, 392, 296,
857 521, 645, 641, 585, 137, 393, 608, 416, 537, 656, 609, 601,
858 153, 409, 420, 297, 105, 361, 360, 408, 514, 164, 40, 578,
859 130, 386, 548, 544, 530, 584, 545, 594, 146, 402, 600, 290,
860 98, 354, 644, 136, 518, 657, 520, 582, 134, 390, 104, 536,
861 534, 161, 342, 598, 150, 406, 38, 294, 102, 358, 612, 266,
862 74, 330, 26, 282, 90, 346, 41, 293, 322, 82, 34, 640,
863 401, 160, 257, 84, 340, 85, 341, 6, 258, 129, 353, 529,
864 404, 357, 281, 89, 345, 596, 385, 145, 18, 8, 261, 65
865];
866
867const VEC_CB6_BITS: [u16; 32] = [
868 0x0000, 0x0004, 0x0005, 0x0003, 0x0001, 0x0002, 0x0003, 0x0001,
869 0x0002, 0x0003, 0x0004, 0x0005, 0x0018, 0x00C8, 0x0192, 0x0326,
870 0x0327, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x01A8, 0x01A9,
871 0x00D5, 0x006B, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F, 0x0001
872];
873const VEC_CB6_LENS: [u8; 32] = [
874 7, 9, 9, 8, 6, 6, 6, 4, 4, 4, 4, 4, 6, 9, 10, 11,
875 11, 8, 8, 8, 8, 8, 10, 10, 9, 8, 6, 6, 6, 6, 6, 1
876];
877const VEC_CB6_SYMS: [u16; 32] = [
878 9, 19, 22, 7, 3, 24, 6, 1, 16, 2, 8, 4,
879 12, 21, 27, 29, 31, 28, 14, 13, 11, 26, 30, 23,
880 15, 25, 5, 10, 20, 17, 18, 0
881];
882
883const QUANT_LEVELS: [[f32; 14]; 7] = [
884 [ 0.0, 0.392, 0.761, 1.120, 1.477, 1.832, 2.183, 2.541, 2.893, 3.245, 3.598, 3.942, 4.288, 4.724 ],
885 [ 0.0, 0.544, 1.060, 1.563, 2.068, 2.571, 3.072, 3.562, 4.070, 4.620, 0.0, 0.0, 0.0, 0.0 ],
886 [ 0.0, 0.746, 1.464, 2.180, 2.882, 3.584, 4.316, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ],
887 [ 0.0, 1.006, 2.000, 2.993, 3.985, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ],
888 [ 0.0, 1.321, 2.703, 3.983, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ],
889 [ 0.0, 1.657, 3.491, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ],
890 [ 0.0, 1.964, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ]
891];
892
893const CAT5_NOISE_FACTOR: [f32; REGION_SIZE + 1] = [
894 0.70711, 0.6179, 0.5005, 0.3220, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678,
895 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.17678, 0.0
896];
897const CAT6_NOISE_FACTOR: [f32; REGION_SIZE + 1] = [
898 0.70711, 0.5686, 0.3563, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25,
899 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.0
900];
NihAV is a research multimedia framework