projects / nihav.git / blame
| Commit | Line | Data |
|---|---|---|
| 77c25c7b KS |
1 | use super::CB_SELECTORS; |
| 2 | use super::mv::MV; | |
| 3 | use super::super::indeo3data::*; | |
| 4 | use super::{Indeo3Cell, Plane}; | |
| 5 | ||
| 6 | pub const MAX_CELL_SIZE: usize = 2400; | |
| 7 | const DEFAULT_PIXEL: u8 = 0x40; | |
| 8 | const INTRA_FLAT_THRESHOLD: u32 = 8; | |
| 9 | const INTER_FLAT_THRESHOLD: u32 = 8; | |
| 10 | ||
| 11 | struct IndexWriter<'a> { | |
| 12 | dst: &'a mut [u8], | |
| 13 | pos: usize, | |
| 14 | do_rle: bool, | |
| 15 | } | |
| 16 | ||
| 17 | const SKIP_CELL: u8 = 0xFD; | |
| 18 | const ZERO_CELL: u8 = 0xFD; | |
| 19 | ||
| 20 | impl<'a> IndexWriter<'a> { | |
| 21 | fn new(dst: &'a mut [u8], do_rle: bool) -> Self { | |
| 22 | Self { | |
| 23 | dst, | |
| 24 | pos: 0, | |
| 25 | do_rle, | |
| 26 | } | |
| 27 | } | |
| 28 | fn write_pair(&mut self, idx0: u8, idx1: u8, quad_radix: u8, esc: u8) { | |
| 29 | //xxx: in theory one in theory the other index just has to make output fit byte range | |
| 30 | if idx0 < quad_radix && idx1 < quad_radix { | |
| 31 | let quad = idx1 * quad_radix + idx0 + esc; | |
| 32 | self.dst[self.pos] = quad; | |
| 33 | self.pos += 1; | |
| 34 | } else { | |
| 35 | self.dst[self.pos] = idx0; | |
| 36 | self.pos += 1; | |
| 37 | self.dst[self.pos] = idx1; | |
| 38 | self.pos += 1; | |
| 39 | } | |
| 40 | } | |
| 41 | fn write_byte(&mut self, val: u8) { | |
| 42 | self.dst[self.pos] = val; | |
| 43 | self.pos += 1; | |
| 44 | } | |
| 45 | fn compact_cell(&mut self, esc_vals: [u8; 4]) { | |
| 46 | if !self.do_rle { | |
| 47 | return; | |
| 48 | } | |
| 49 | let tail = &self.dst[self.pos - 4..][..4]; | |
| 50 | let mut count = 0; | |
| 51 | for (&a, &b) in tail.iter().zip(esc_vals.iter()).rev() { | |
| 52 | if a != b { | |
| 53 | break; | |
| 54 | } | |
| 55 | count += 1; | |
| 56 | } | |
| 57 | if count > 1 { | |
| 58 | self.pos -= count; | |
| 59 | self.dst[self.pos] = ZERO_CELL; | |
| 60 | self.pos += 1; | |
| 61 | } | |
| 62 | } | |
| 63 | fn compact_all_cells(&mut self) { | |
| 64 | if !self.do_rle { | |
| 65 | return; | |
| 66 | } | |
| 67 | if self.pos > 2 { | |
| 68 | let mut i = 0; | |
| 69 | while i + 2 < self.pos { | |
| 70 | if self.dst[i] == ZERO_CELL && self.dst[i + 1] == ZERO_CELL { | |
| 71 | let mut last_idx = i; | |
| 72 | for j in (i + 1)..self.pos { | |
| 73 | if self.dst[j] != ZERO_CELL { | |
| 74 | break; | |
| 75 | } | |
| 76 | last_idx = j; | |
| 77 | } | |
| 78 | let len = (last_idx - i + 1).min(31); | |
| 79 | if len == 2 { | |
| 80 | self.dst[i] = 0xFC; | |
| 81 | move_tail(&mut self.dst[i + 1..self.pos], 1); | |
| 82 | self.pos -= 1; | |
| 83 | } else { | |
| 84 | self.dst[i] = 0xFB; | |
| 85 | self.dst[i + 1] = len as u8; | |
| 86 | move_tail(&mut self.dst[i + 2..self.pos], len - 2); | |
| 87 | self.pos -= len - 2; | |
| 88 | } | |
| 89 | } | |
| 90 | i += 1; | |
| 91 | } | |
| 92 | } | |
| 93 | } | |
| 94 | fn end(self) -> usize { | |
| 95 | self.pos | |
| 96 | } | |
| 97 | } | |
| 98 | ||
| 99 | fn move_tail(buf: &mut [u8], off: usize) { | |
| 100 | let len = buf.len(); | |
| 101 | for i in off..len { | |
| 102 | buf[i - off] = buf[i]; | |
| 103 | } | |
| 104 | } | |
| 105 | ||
| 106 | #[derive(Default)] | |
| 107 | struct CodebookSuggester { | |
| 108 | count: [u16; 16], | |
| 109 | } | |
| 110 | ||
| 111 | const BINNING_FACTORS: [u8; 16] = [3, 7, 9, 12, 14, 16, 18, 40, 2, 3, 4, 5, 6, 7, 8, 9]; | |
| 112 | ||
| 113 | impl CodebookSuggester { | |
| 114 | fn new() -> Self { Self::default() } | |
| 115 | fn merge(cs1: &Self, cs2: &Self) -> Self { | |
| 116 | let mut count = [0; 16]; | |
| 117 | for (dst, (&src1, &src2)) in count.iter_mut().zip(cs1.count.iter().zip(cs2.count.iter())) { | |
| 118 | *dst = src1 + src2; | |
| 119 | } | |
| 120 | Self { count } | |
| 121 | } | |
| 122 | fn add_delta(&mut self, delta: u8) { | |
| 123 | for (i, &fac) in BINNING_FACTORS.iter().enumerate() { | |
| 124 | let val = if i < 8 { delta + fac - 1 } else { delta }; | |
| 125 | if (val % fac) == 0 { | |
| 126 | self.count[i] += 1; | |
| 127 | } | |
| 128 | } | |
| 129 | } | |
| 130 | fn add_line(&mut self, src: &[i8]) { | |
| 131 | for &delta in src.iter() { | |
| 132 | if delta == 0 { | |
| 133 | continue; | |
| 134 | } | |
| e6aaad5c | 135 | let delta = delta.unsigned_abs(); |
| 77c25c7b KS |
136 | self.add_delta(delta); |
| 137 | } | |
| 138 | } | |
| 139 | fn add_line_half(&mut self, src: &[i8]) { | |
| 140 | for &delta in src.iter().step_by(2) { | |
| 141 | if delta == 0 { | |
| 142 | continue; | |
| 143 | } | |
| e6aaad5c | 144 | let delta = delta.unsigned_abs(); |
| 77c25c7b KS |
145 | self.add_delta(delta); |
| 146 | } | |
| 147 | } | |
| 148 | fn get_best(&self) -> u8 { | |
| 149 | let mut idx = 0; | |
| 150 | for (i, &cnt) in self.count.iter().enumerate().skip(1) { | |
| 151 | if cnt > self.count[idx] { | |
| 152 | idx = i; | |
| 153 | } | |
| 154 | } | |
| 155 | idx as u8 | |
| 156 | } | |
| 157 | } | |
| 158 | ||
| 159 | pub struct CellEncoder { | |
| 160 | buf: [u8; MAX_CELL_SIZE + 160], | |
| 161 | rbuf: [u8; MAX_CELL_SIZE + 160], | |
| 162 | deltas: [i8; MAX_CELL_SIZE], | |
| 163 | cell: Indeo3Cell, | |
| 164 | pub out: [u8; MAX_CELL_SIZE / 2 + 1], | |
| 165 | pub osize: usize, | |
| 166 | ||
| 167 | pub flat_thr_i: u32, | |
| 168 | pub flat_thr_p: u32, | |
| 169 | pub do_rle: bool, | |
| 170 | pub quant: Option<u8>, | |
| 171 | } | |
| 172 | ||
| 173 | impl CellEncoder { | |
| 174 | pub fn new() -> Self { | |
| 175 | Self { | |
| 176 | buf: [0; MAX_CELL_SIZE + 160], | |
| 177 | rbuf: [0; MAX_CELL_SIZE + 160], | |
| 178 | deltas: [0; MAX_CELL_SIZE], | |
| 3ff976b2 | 179 | cell: Indeo3Cell::new(0, 0), |
| 77c25c7b KS |
180 | out: [0; MAX_CELL_SIZE / 2 + 1], |
| 181 | osize: 0, | |
| 182 | ||
| 183 | flat_thr_i: INTRA_FLAT_THRESHOLD, | |
| 184 | flat_thr_p: INTER_FLAT_THRESHOLD, | |
| 185 | do_rle: true, | |
| 186 | quant: None, | |
| 187 | } | |
| 188 | } | |
| 189 | pub fn read_buffer(&mut self, plane: &Plane, cell: Indeo3Cell) { | |
| 190 | self.cell = cell; | |
| 191 | ||
| 192 | let src = &plane.data[cell.get_x() + cell.get_y() * plane.width..]; | |
| 193 | let dst_w = cell.get_width(); | |
| 194 | for (dline, sline) in self.buf.chunks_mut(dst_w).skip(1).zip(src.chunks(plane.width)).take(cell.get_height()) { | |
| 195 | dline.copy_from_slice(&sline[..dst_w]); | |
| 196 | } | |
| 197 | if cell.get_y() > 0 { | |
| 198 | self.buf[..dst_w].copy_from_slice(&plane.data[cell.get_x() + (cell.get_y() - 1) * plane.width..][..dst_w]); | |
| 199 | } else { | |
| 200 | for el in self.buf[..dst_w].iter_mut() { | |
| 201 | *el = DEFAULT_PIXEL; | |
| 202 | } | |
| 203 | } | |
| 204 | } | |
| 205 | pub fn read_mv_buffer(&mut self, plane: &Plane, cell: Indeo3Cell, mv: MV) { | |
| 206 | self.cell = cell; | |
| 207 | ||
| 208 | let xoff = (cell.get_x() as isize + isize::from(mv.x)) as usize; | |
| 209 | let yoff = (cell.get_y() as isize + isize::from(mv.y)) as usize; | |
| 210 | let src = &plane.data[xoff + yoff * plane.width..]; | |
| 211 | let dst_w = cell.get_width(); | |
| 212 | for (dline, sline) in self.rbuf.chunks_mut(dst_w).skip(1).zip(src.chunks(plane.width)).take(cell.get_height()) { | |
| 213 | dline.copy_from_slice(&sline[..dst_w]); | |
| 214 | } | |
| 215 | } | |
| 216 | pub fn null_mv(&mut self) { | |
| 217 | let stride = self.cell.get_width(); | |
| 218 | self.buf[stride..].copy_from_slice(&self.rbuf[stride..]); | |
| 219 | } | |
| 220 | pub fn gen_diffs_intra(&mut self) { | |
| 221 | let stride = self.cell.get_width(); | |
| 222 | let mut start = stride; | |
| 223 | for dline in self.deltas.chunks_mut(stride).take(self.cell.get_height()) { | |
| 224 | let (pprev, cur) = self.buf.split_at(start); | |
| 225 | let prev = &pprev[pprev.len() - stride..]; | |
| 226 | ||
| 227 | for (dst, (&cur, &top)) in dline.iter_mut().zip(cur.iter().zip(prev.iter())) { | |
| 228 | *dst = (cur as i8) - (top as i8); | |
| 229 | } | |
| 230 | ||
| 231 | start += stride; | |
| 232 | } | |
| 233 | } | |
| 234 | pub fn gen_diffs_inter(&mut self) { | |
| 235 | let stride = self.cell.get_width(); | |
| 236 | let prev_iter = self.rbuf.chunks(stride).skip(1); | |
| 237 | let cur_iter = self.buf.chunks(stride).skip(1); | |
| 238 | for (dline, (cur, prev)) in self.deltas.chunks_mut(stride).take(self.cell.get_height()).zip(cur_iter.zip(prev_iter)) { | |
| 239 | for (dst, (&cur, &prev)) in dline.iter_mut().zip(cur.iter().zip(prev.iter())) { | |
| 240 | *dst = (cur as i8) - (prev as i8); | |
| 241 | } | |
| 242 | } | |
| 243 | } | |
| 244 | pub fn put_buffer(&self, plane: &mut Plane) { | |
| 245 | let to_skip = if !self.cell.is_intra() || self.cell.get_y() == 0 { 1 } else { 0 }; | |
| 246 | ||
| 247 | let dst = &mut plane.data[self.cell.get_x() + (self.cell.get_y() + to_skip - 1) * plane.width..]; | |
| 248 | let src_w = self.cell.get_width(); | |
| 249 | for (sline, dline) in self.buf.chunks(src_w).skip(to_skip).zip(dst.chunks_mut(plane.width)).take(self.cell.get_height() + 1 - to_skip) { | |
| 250 | dline[..src_w].copy_from_slice(sline); | |
| 251 | } | |
| 252 | } | |
| 253 | fn determine_mode(&self, intra: bool, mut mode_hint: u8) -> (u8, [u8; 2]) { | |
| 254 | if let Some(qmode) = self.quant { | |
| 255 | if intra { | |
| e6aaad5c | 256 | return (mode_hint, [qmode, qmode]); |
| 77c25c7b | 257 | } else { |
| e6aaad5c | 258 | let qmode = qmode & 7; |
| 77c25c7b KS |
259 | return (mode_hint, [qmode, qmode]); |
| 260 | } | |
| 261 | } | |
| 262 | ||
| 263 | let stride = self.cell.get_width(); | |
| 264 | ||
| 265 | let mut cb_p = CodebookSuggester::new(); | |
| 266 | let mut cb_s = CodebookSuggester::new(); | |
| 267 | if !intra && (self.cell.get_height() & 7 == 0) { | |
| 268 | let mut vdiff = 0; | |
| 269 | let mut hdiff = 0; | |
| 270 | for line_pair in self.deltas.chunks(stride * 2).take(self.cell.get_height() / 2) { | |
| 271 | let (line1, line2) = line_pair.split_at(stride); | |
| 272 | for (&el1, &el2) in line1.iter().zip(line2.iter()) { | |
| 273 | let diff = i32::from(el1) - i32::from(el2); | |
| 274 | vdiff += (diff * diff) as u32; | |
| 275 | } | |
| 276 | } | |
| 277 | for line in self.deltas.chunks(stride).take(self.cell.get_height()) { | |
| 278 | for pair in line.chunks(2) { | |
| 279 | let diff = i32::from(pair[1]) - i32::from(pair[0]); | |
| 280 | hdiff += (diff * diff) as u32; | |
| 281 | } | |
| 282 | } | |
| 283 | vdiff /= (self.cell.get_width() * self.cell.get_height() / 2) as u32; | |
| 284 | hdiff /= (self.cell.get_width() * self.cell.get_height() / 2) as u32; | |
| 285 | ||
| 286 | mode_hint = match ((vdiff > self.flat_thr_p), (hdiff > self.flat_thr_p)) { | |
| 287 | (false, false) if (self.cell.get_width() & 7) == 0 => 10, | |
| 288 | (false, _) => 11, | |
| 289 | _ => 0, | |
| 290 | }; | |
| 291 | } | |
| 292 | match mode_hint { | |
| 293 | 0 => { | |
| 294 | for line_pair in self.deltas.chunks(stride * 2).take(self.cell.get_height() / 2) { | |
| 295 | let (line1, line2) = line_pair.split_at(stride); | |
| 296 | cb_p.add_line(line1); | |
| 297 | cb_s.add_line(line2); | |
| 298 | } | |
| 299 | }, | |
| 300 | 3 => { | |
| 301 | for line_quad in self.deltas.chunks(stride * 4).take(self.cell.get_height() / 4) { | |
| 302 | let (line01, line23) = line_quad.split_at(stride * 2); | |
| 303 | let (_line0, line1) = line01.split_at(stride); | |
| 304 | let (_line2, line3) = line23.split_at(stride); | |
| 305 | cb_p.add_line(line1); | |
| 306 | cb_s.add_line(line3); | |
| 307 | } | |
| 308 | }, | |
| 309 | 10 => { | |
| 310 | for line_quad in self.deltas.chunks(stride * 4).take(self.cell.get_height() / 4) { | |
| 311 | let (line01, line23) = line_quad.split_at(stride * 2); | |
| 312 | let (_line0, line1) = line01.split_at(stride); | |
| 313 | let (_line2, line3) = line23.split_at(stride); | |
| 314 | cb_p.add_line_half(line1); | |
| 315 | cb_s.add_line_half(line3); | |
| 316 | } | |
| 317 | }, | |
| 318 | 11 => { | |
| 319 | for line_quad in self.deltas.chunks(stride * 4).take(self.cell.get_height() / 4) { | |
| 320 | let (line01, line23) = line_quad.split_at(stride * 2); | |
| 321 | let (_line0, line1) = line01.split_at(stride); | |
| 322 | let (_line2, line3) = line23.split_at(stride); | |
| 323 | cb_p.add_line(line1); | |
| 324 | cb_s.add_line(line3); | |
| 325 | } | |
| 326 | }, | |
| 327 | _ => unreachable!(), | |
| 328 | }; | |
| 329 | let cb_f = CodebookSuggester::merge(&cb_p, &cb_s).get_best(); | |
| 330 | let cb_p = cb_p.get_best(); | |
| 331 | let mut cb_s = cb_s.get_best(); | |
| 332 | ||
| 333 | let mut use_single = !intra || mode_hint == 10 || cb_p == cb_s; | |
| 334 | if !use_single { | |
| 335 | if cb_s == 0 { // we can adjust to the CB_SELECTORS here | |
| 336 | cb_s = (((cb_p & 7) + 1) * 2).min(15); | |
| 337 | } | |
| 338 | let ncb = (cb_p << 4) + cb_s; | |
| 339 | use_single = !CB_SELECTORS.contains(&ncb); | |
| 340 | } | |
| 341 | ||
| 342 | if use_single { | |
| 343 | if intra || cb_f < 8 { // we don't want requant happening in inter mode | |
| 344 | (mode_hint, [cb_f, cb_f]) | |
| 345 | } else { | |
| 346 | (mode_hint, [0, 0]) | |
| 347 | } | |
| 348 | } else { | |
| 349 | (mode_hint + 1, [cb_p, cb_s]) | |
| 350 | } | |
| 351 | } | |
| 352 | pub fn compress_intra(&mut self, mode_hint: u8) { | |
| 353 | let (mode, vq_idx) = self.determine_mode(true, mode_hint); | |
| 354 | ||
| 355 | let cb_no1 = usize::from(vq_idx[1]); | |
| 356 | let cb_no2 = usize::from(vq_idx[0]); | |
| 357 | let cb1 = IVI3_DELTA_CBS[cb_no1]; | |
| 358 | let cb2 = IVI3_DELTA_CBS[cb_no2]; | |
| 359 | ||
| 360 | let mut requant_idx = None; | |
| 361 | if (mode == 1) || (mode == 4) { | |
| 362 | let aq_idx = (vq_idx[0] << 4) | vq_idx[1]; | |
| 363 | let mut idx = 42; | |
| 364 | for (i, &el) in CB_SELECTORS.iter().enumerate() { | |
| 365 | if el == aq_idx { | |
| 366 | idx = i; | |
| 367 | break; | |
| 368 | } | |
| 369 | } | |
| 370 | self.out[0] = (mode << 4) | (idx as u8); | |
| 77c25c7b KS |
371 | } else { |
| 372 | self.out[0] = (mode << 4) | (cb_no1 as u8); | |
| 373 | ||
| 374 | if (8..=15).contains(&cb_no1) { | |
| 375 | requant_idx = Some(cb_no1 - 8); | |
| 376 | } | |
| 377 | } | |
| a6627cc2 | 378 | if self.cell.get_y() == 0 || !matches!(mode, 0 | 3 | 10) { |
| 77c25c7b KS |
379 | requant_idx = None; |
| 380 | } | |
| 381 | ||
| 382 | let start = 1; | |
| 383 | let mut iwriter = IndexWriter::new(&mut self.out[start..], self.do_rle); | |
| 384 | ||
| 385 | let esc_val1 = (cb1.data.len() / 2) as u8; | |
| 386 | let esc_val2 = (cb2.data.len() / 2) as u8; | |
| 387 | ||
| 388 | let cbs = [cb1, cb2, cb1, cb2]; | |
| 389 | let esc_vals = [esc_val1, esc_val2, esc_val1, esc_val2]; | |
| 390 | ||
| 391 | let mut first_line = self.cell.get_y() == 0; | |
| 392 | let stride = self.cell.get_width(); | |
| 393 | ||
| 394 | if let Some(ridx) = requant_idx {// && !first_line { | |
| 395 | requant(&mut self.buf[..stride], ridx); | |
| 396 | } | |
| 397 | ||
| 398 | let mut cell4 = [0; 20]; | |
| 399 | match mode { | |
| 400 | 0 | 1 | 2 => { | |
| 401 | for y in (0..self.cell.get_height()).step_by(4) { | |
| 402 | for x in (0..self.cell.get_width()).step_by(4) { | |
| 403 | Self::get_cell4(&self.buf, x, y, stride, &mut cell4); | |
| 404 | // first check if the cell can be coded with zero predictor | |
| 405 | let mut diff = 0; | |
| 406 | let mut pivot = 4; | |
| 407 | for _y in 0..4 { | |
| 408 | let (top, cur) = cell4.split_at(pivot); | |
| 409 | let top = &top[top.len() - 4..]; | |
| 410 | for (&tval, &cval) in top.iter().zip(cur.iter()) { | |
| 411 | let cdiff = i32::from(tval) - i32::from(cval); | |
| 412 | diff += cdiff * cdiff; | |
| 413 | } | |
| 414 | pivot += 4; | |
| 415 | } | |
| 416 | if (diff as u32) < self.flat_thr_i { | |
| 417 | iwriter.write_byte(ZERO_CELL); | |
| 418 | let (top, tail) = cell4.split_at_mut(4); | |
| 419 | for dline in tail.chunks_mut(4) { | |
| 420 | dline.copy_from_slice(top); | |
| 421 | } | |
| 422 | Self::put_cell4(&mut self.buf, x, y, stride, &cell4); | |
| 423 | continue; | |
| 424 | } | |
| 425 | ||
| 426 | compress_intra_cell(&mut iwriter, &mut cell4, &cbs, esc_vals); | |
| 427 | Self::put_cell4(&mut self.buf, x, y, stride, &cell4); | |
| 428 | } | |
| 429 | } | |
| 430 | }, | |
| 431 | 3 | 4 => { | |
| 432 | for y in (0..self.cell.get_height()).step_by(8) { | |
| 433 | for x in (0..self.cell.get_width()).step_by(4) { | |
| 434 | Self::get_cell_mode3(&self.buf, x, y, stride, &mut cell4); | |
| 435 | compress_intra_cell(&mut iwriter, &mut cell4, &cbs, esc_vals); | |
| 436 | Self::put_cell_mode3(&mut self.buf, x, y, stride, &cell4, first_line); | |
| 437 | } | |
| 438 | first_line = false; | |
| 439 | } | |
| 440 | }, | |
| 441 | 10 => { | |
| 442 | for y in (0..self.cell.get_height()).step_by(8) { | |
| 443 | for x in (0..self.cell.get_width()).step_by(8) { | |
| 444 | Self::get_cell_mode10i(&self.buf, x, y, stride, &mut cell4); | |
| 445 | compress_intra_cell(&mut iwriter, &mut cell4, &cbs, esc_vals); | |
| 446 | Self::put_cell_mode10i(&mut self.buf, x, y, stride, &cell4, first_line); | |
| 447 | } | |
| 448 | first_line = false; | |
| 449 | } | |
| 450 | }, | |
| 451 | _ => unreachable!(), | |
| 452 | }; | |
| 453 | iwriter.compact_all_cells(); | |
| 454 | ||
| 455 | self.osize = iwriter.end() + start; | |
| 456 | } | |
| 457 | pub fn compress_inter(&mut self) { | |
| 458 | let (mode, vq_idx) = self.determine_mode(false, 0); | |
| 459 | ||
| 460 | let cb_no1 = usize::from(vq_idx[1]); | |
| 461 | let cb_no2 = usize::from(vq_idx[0]); | |
| 462 | let cb1 = IVI3_DELTA_CBS[cb_no1]; | |
| 463 | let cb2 = IVI3_DELTA_CBS[cb_no2]; | |
| 464 | ||
| 465 | if (mode == 1) || (mode == 4) { | |
| 466 | let aq_idx = (vq_idx[0] << 4) | vq_idx[1]; | |
| 467 | let mut idx = 42; | |
| 468 | for (i, &el) in CB_SELECTORS.iter().enumerate() { | |
| 469 | if el == aq_idx { | |
| 470 | idx = i; | |
| 471 | break; | |
| 472 | } | |
| 473 | } | |
| 474 | self.out[0] = (mode << 4) | (idx as u8); | |
| 475 | } else { | |
| 476 | self.out[0] = (mode << 4) | (cb_no1 as u8); | |
| 477 | } | |
| 478 | let start = 1; | |
| 479 | let mut iwriter = IndexWriter::new(&mut self.out[start..], self.do_rle); | |
| 480 | ||
| 481 | let esc_val1 = (cb1.data.len() / 2) as u8; | |
| 482 | let esc_val2 = (cb2.data.len() / 2) as u8; | |
| 483 | ||
| 484 | let cbs = [cb1, cb2, cb1, cb2]; | |
| 485 | let esc_vals = [esc_val1, esc_val2, esc_val1, esc_val2]; | |
| 486 | ||
| 487 | ||
| 488 | let stride = self.cell.get_width(); | |
| 489 | let mut ccell4 = [0; 20]; | |
| 490 | let mut pcell4 = [0; 20]; | |
| 491 | match mode { | |
| 492 | 0 | 1 | 2 => { | |
| 493 | for y in (0..self.cell.get_height()).step_by(4) { | |
| 494 | for x in (0..self.cell.get_width()).step_by(4) { | |
| 495 | Self::get_cell4(&self.buf, x, y, stride, &mut ccell4); | |
| 496 | Self::get_cell4(&self.rbuf, x, y, stride, &mut pcell4); | |
| 497 | // first check if the cell can be coded with zero predictor | |
| 498 | let mut diff = 0; | |
| 499 | for (&pval, &cval) in pcell4[4..].iter().zip(ccell4[4..].iter()) { | |
| 500 | let cdiff = i32::from(pval) - i32::from(cval); | |
| 501 | diff += cdiff * cdiff; | |
| 502 | } | |
| 503 | if diff < 8 { | |
| 504 | iwriter.write_byte(SKIP_CELL); | |
| 505 | Self::put_cell4(&mut self.buf, x, y, stride, &pcell4); | |
| 506 | continue; | |
| 507 | } | |
| 508 | ||
| 509 | compress_inter_cell(&mut iwriter, &mut ccell4, &pcell4, &cbs, esc_vals); | |
| 510 | Self::put_cell4(&mut self.buf, x, y, stride, &ccell4); | |
| 511 | } | |
| 512 | } | |
| 513 | }, | |
| 514 | 10 => { | |
| 515 | let mut offset = 0; | |
| 516 | let mut ref_cell = [0; 64]; | |
| 517 | let mut avg_diff: [i16; 16]; | |
| 518 | for _y in (0..self.cell.get_height()).step_by(8) { | |
| 519 | for x in (0..self.cell.get_width()).step_by(8) { | |
| 520 | for (dline, sline) in ref_cell.chunks_mut(8).zip(self.rbuf[offset + stride + x..].chunks(stride)) { | |
| 521 | dline.copy_from_slice(&sline[..8]); | |
| 522 | } | |
| 523 | avg_diff = [0; 16]; | |
| 524 | for j in 0..8 { | |
| 525 | for i in 0..8 { | |
| 526 | avg_diff[i / 2 + (j / 2) * 4] += i16::from(self.deltas[offset + x + i + j * stride]); | |
| 527 | } | |
| 528 | } | |
| 529 | for el in avg_diff.iter_mut() { | |
| 530 | *el = (*el + 2) >> 2; | |
| 531 | } | |
| 532 | compress_inter_cell_mode10(&mut iwriter, &mut ref_cell, &avg_diff, &cbs, esc_vals); | |
| 533 | for (sline, dline) in ref_cell.chunks(8).zip(self.buf[offset + stride + x..].chunks_mut(stride)) { | |
| 534 | dline[..8].copy_from_slice(sline); | |
| 535 | } | |
| 536 | } | |
| 537 | offset += stride * 8; | |
| 538 | } | |
| 539 | }, | |
| 540 | 11 => { | |
| 541 | let mut offset = 0; | |
| 542 | let mut ref_cell = [0; 32]; | |
| 543 | let mut avg_diff: [i16; 16]; | |
| 544 | for _y in (0..self.cell.get_height()).step_by(8) { | |
| 545 | for x in (0..self.cell.get_width()).step_by(4) { | |
| 546 | for (dline, sline) in ref_cell.chunks_mut(4).zip(self.rbuf[offset + stride + x..].chunks(stride)) { | |
| 547 | dline.copy_from_slice(&sline[..4]); | |
| 548 | } | |
| 549 | avg_diff = [0; 16]; | |
| 550 | for j in 0..8 { | |
| 551 | for i in 0..4 { | |
| 552 | avg_diff[i + (j / 2) * 4] += i16::from(self.deltas[offset + x + i + j * stride]); | |
| 553 | } | |
| 554 | } | |
| 555 | for el in avg_diff.iter_mut() { | |
| 556 | *el = (*el + 1) >> 1; | |
| 557 | } | |
| 558 | ||
| 559 | compress_inter_cell_mode11(&mut iwriter, &mut ref_cell, &avg_diff, &cbs, esc_vals); | |
| 560 | for (sline, dline) in ref_cell.chunks(4).zip(self.buf[offset + stride + x..].chunks_mut(stride)) { | |
| 561 | dline[..4].copy_from_slice(sline); | |
| 562 | } | |
| 563 | } | |
| 564 | offset += stride * 8; | |
| 565 | } | |
| 566 | }, | |
| 567 | _ => unreachable!(), | |
| 568 | }; | |
| 569 | iwriter.compact_all_cells(); | |
| 570 | ||
| 571 | self.osize = iwriter.end() + start; | |
| 572 | } | |
| 573 | ||
| 574 | fn get_cell4(data: &[u8], x: usize, y: usize, stride: usize, cell: &mut [u8; 20]) { | |
| 575 | for (dst, src) in cell.chunks_mut(4).zip(data[x + y * stride..].chunks(stride)) { | |
| 576 | dst.copy_from_slice(&src[..4]); | |
| 577 | } | |
| 578 | } | |
| 579 | fn put_cell4(data: &mut [u8], x: usize, y: usize, stride: usize, cell: &[u8; 20]) { | |
| 580 | for (src, dst) in cell.chunks(4).zip(data[x + y * stride..].chunks_mut(stride)).skip(1) { | |
| 581 | dst[..4].copy_from_slice(src); | |
| 582 | } | |
| 583 | } | |
| 584 | fn get_cell_mode3(data: &[u8], x: usize, y: usize, stride: usize, cell: &mut [u8; 20]) { | |
| 585 | let src = &data[x + y * stride..]; | |
| 586 | for (dline, slines) in cell.chunks_mut(4).zip(src.chunks(stride * 2)) { | |
| 587 | dline.copy_from_slice(&slines[..4]); | |
| 588 | } | |
| 589 | } | |
| 590 | fn put_cell_mode3(data: &mut [u8], x: usize, y: usize, stride: usize, cell: &[u8; 20], first_line: bool) { | |
| 591 | let dst = &mut data[x + y * stride..]; | |
| 592 | let mut dst_idx = stride; | |
| 593 | for line in 0..4 { | |
| 594 | for x in 0..4 { | |
| 595 | let top = cell[line * 4 + x]; | |
| 596 | let cur = cell[(line + 1) * 4 + x]; | |
| 597 | dst[dst_idx + x] = (top + cur) >> 1; | |
| 598 | dst[dst_idx + stride + x] = cur; | |
| 599 | } | |
| 600 | dst_idx += stride * 2; | |
| 601 | } | |
| 602 | if first_line { | |
| 603 | dst[stride..][..4].copy_from_slice(&cell[4..8]); | |
| 604 | } | |
| 605 | } | |
| 606 | fn get_cell_mode10i(data: &[u8], x: usize, y: usize, stride: usize, cell: &mut [u8; 20]) { | |
| 607 | let src = &data[x + y * stride..]; | |
| 608 | for (dline, src_pair) in cell.chunks_mut(4).zip(src.chunks(stride * 2)) { | |
| 609 | for (dst, src) in dline.iter_mut().zip(src_pair.chunks(2)) { | |
| 610 | *dst = src[0]; | |
| 611 | } | |
| 612 | } | |
| 613 | } | |
| 614 | fn put_cell_mode10i(data: &mut [u8], x: usize, y: usize, stride: usize, cell: &[u8; 20], first_line: bool) { | |
| 615 | let dst = &mut data[x + y * stride..]; | |
| 616 | let mut dst_idx = stride; | |
| 617 | for line in 0..4 { | |
| f5c61879 KS |
618 | for x in 0..8 { |
| 619 | let top = dst[dst_idx - stride + x]; | |
| 620 | let cur = cell[(line + 1) * 4 + x / 2]; | |
| 621 | dst[dst_idx + x] = (top + cur) >> 1; | |
| 622 | dst[dst_idx + stride + x] = cur; | |
| 77c25c7b KS |
623 | } |
| 624 | dst_idx += stride * 2; | |
| 625 | } | |
| 626 | if first_line { | |
| 627 | let (top, tail) = dst[stride..].split_at_mut(stride); | |
| 628 | top[..8].copy_from_slice(&tail[..8]); | |
| 629 | } | |
| 630 | } | |
| 631 | } | |
| 632 | ||
| 633 | fn requant(line: &mut [u8], rq_index: usize) { | |
| 634 | let tab = &REQUANT_TAB[rq_index]; | |
| 635 | for el in line.iter_mut() { | |
| 636 | *el = tab[usize::from(*el)]; | |
| 637 | } | |
| 638 | } | |
| 639 | ||
| 640 | fn compress_intra_cell(iwriter: &mut IndexWriter, cell4: &mut [u8; 20], cbs: &[&IviDeltaCB; 4], esc_vals: [u8; 4]) { | |
| 641 | let mut pivot = 4; | |
| 642 | for y in 0..4 { | |
| 643 | let cb = cbs[y]; | |
| 644 | let esc_val = esc_vals[y]; | |
| 645 | ||
| 646 | let (prev, cur) = cell4.split_at_mut(pivot); | |
| 647 | let prev = &prev[prev.len() - 4..]; | |
| 648 | let cur = &mut cur[..4]; | |
| e6aaad5c | 649 | let (idx0, idx1) = find_quad(cb.data, prev, cur); |
| 77c25c7b KS |
650 | |
| 651 | cur[0] = ((prev[0] as i8) + cb.data[usize::from(idx1) * 2]) as u8; | |
| 652 | cur[1] = ((prev[1] as i8) + cb.data[usize::from(idx1) * 2 + 1]) as u8; | |
| 653 | cur[2] = ((prev[2] as i8) + cb.data[usize::from(idx0) * 2]) as u8; | |
| 654 | cur[3] = ((prev[3] as i8) + cb.data[usize::from(idx0) * 2 + 1]) as u8; | |
| 655 | ||
| 656 | iwriter.write_pair(idx0, idx1, cb.quad_radix, esc_val); | |
| 657 | ||
| 658 | pivot += 4; | |
| 659 | } | |
| 660 | iwriter.compact_cell(esc_vals); | |
| 661 | } | |
| 662 | ||
| 663 | fn compress_inter_cell(iwriter: &mut IndexWriter, ccell4: &mut [u8; 20], pcell: &[u8; 20], cbs: &[&IviDeltaCB; 4], esc_vals: [u8; 4]) { | |
| 664 | for (y, (prev, cur)) in pcell[4..].chunks(4).zip(ccell4[4..].chunks_mut(4)).enumerate() { | |
| 665 | let cb = cbs[y]; | |
| 666 | let esc_val = esc_vals[y]; | |
| 667 | ||
| e6aaad5c | 668 | let (idx0, idx1) = find_quad(cb.data, prev, cur); |
| 77c25c7b KS |
669 | |
| 670 | cur[0] = ((prev[0] as i8) + cb.data[usize::from(idx1) * 2]) as u8; | |
| 671 | cur[1] = ((prev[1] as i8) + cb.data[usize::from(idx1) * 2 + 1]) as u8; | |
| 672 | cur[2] = ((prev[2] as i8) + cb.data[usize::from(idx0) * 2]) as u8; | |
| 673 | cur[3] = ((prev[3] as i8) + cb.data[usize::from(idx0) * 2 + 1]) as u8; | |
| 674 | ||
| 675 | iwriter.write_pair(idx0, idx1, cb.quad_radix, esc_val); | |
| 676 | } | |
| 677 | iwriter.compact_cell(esc_vals); | |
| 678 | } | |
| 679 | ||
| 680 | fn compress_inter_cell_mode10(iwriter: &mut IndexWriter, cell: &mut [u8; 64], diffs: &[i16; 16], cbs: &[&IviDeltaCB; 4], esc_vals: [u8; 4]) { | |
| 681 | for y in 0..4 { | |
| 682 | let cb = cbs[y]; | |
| 683 | let esc_val = esc_vals[y]; | |
| 684 | let mut indices = [0, 0]; | |
| 685 | for pair_no in (0..4).step_by(2) { | |
| 686 | let src_idx = y * 8 * 2 + pair_no * 2; | |
| 687 | let src0 = [cell[src_idx], cell[src_idx + 1], cell[src_idx + 8], cell[src_idx + 9]]; | |
| 688 | let src1 = [cell[src_idx + 2], cell[src_idx + 3], cell[src_idx + 10], cell[src_idx + 11]]; | |
| 689 | ||
| 690 | let cur_diff = [diffs[y * 4 + pair_no] as i8, diffs[y * 4 + pair_no + 1] as i8]; | |
| 691 | ||
| 692 | let mut best_idx = 0; | |
| 693 | let mut best_dist = pair_dist(&cur_diff, &[0, 0]); | |
| 694 | for (idx, cbpair) in cb.data.chunks(2).enumerate().skip(1) { | |
| 695 | let dist = pair_dist(&cur_diff, cbpair); | |
| 696 | if dist < best_dist { | |
| 697 | let mut fits = true; | |
| 698 | for &el in src0.iter() { | |
| 699 | if !in_range(el as i8, cbpair[0]) { | |
| 700 | fits = false; | |
| 701 | break; | |
| 702 | } | |
| 703 | } | |
| 704 | for &el in src1.iter() { | |
| 705 | if !in_range(el as i8, cbpair[1]) { | |
| 706 | fits = false; | |
| 707 | break; | |
| 708 | } | |
| 709 | } | |
| 710 | if fits { | |
| 711 | best_dist = dist; | |
| 712 | best_idx = idx; | |
| 713 | } | |
| 714 | } | |
| 715 | } | |
| 716 | ||
| 717 | indices[pair_no / 2] = best_idx as u8; | |
| 718 | ||
| 719 | let cb_pair = &cb.data[best_idx * 2..]; | |
| 720 | for row in cell[src_idx..].chunks_mut(8).take(2) { | |
| 721 | row[0] = ((row[0] as i8) + cb_pair[0]) as u8; | |
| 722 | row[1] = ((row[1] as i8) + cb_pair[0]) as u8; | |
| 723 | row[2] = ((row[2] as i8) + cb_pair[1]) as u8; | |
| 724 | row[3] = ((row[3] as i8) + cb_pair[1]) as u8; | |
| 725 | } | |
| 726 | } | |
| 727 | iwriter.write_pair(indices[1], indices[0], cb.quad_radix, esc_val); | |
| 728 | } | |
| 729 | iwriter.compact_cell(esc_vals); | |
| 730 | } | |
| 731 | ||
| 732 | fn compress_inter_cell_mode11(iwriter: &mut IndexWriter, cell: &mut [u8; 32], diffs: &[i16; 16], cbs: &[&IviDeltaCB; 4], esc_vals: [u8; 4]) { | |
| 733 | for y in 0..4 { | |
| 734 | let cb = cbs[y]; | |
| 735 | let esc_val = esc_vals[y]; | |
| 736 | let mut indices = [0, 0]; | |
| 737 | for pair_no in (0..4).step_by(2) { | |
| 738 | let src_idx = y * 4 * 2 + pair_no; | |
| 739 | let src0 = [cell[src_idx], cell[src_idx + 4]]; | |
| 740 | let src1 = [cell[src_idx + 1], cell[src_idx + 5]]; | |
| 741 | ||
| 742 | let cur_diff = [diffs[y * 4 + pair_no] as i8, diffs[y * 4 + pair_no + 1] as i8]; | |
| 743 | ||
| 744 | let mut best_idx = 0; | |
| 745 | let mut best_dist = pair_dist(&cur_diff, &[0, 0]); | |
| 746 | for (idx, cbpair) in cb.data.chunks(2).enumerate().skip(1) { | |
| 747 | let dist = pair_dist(&cur_diff, cbpair); | |
| 748 | if dist < best_dist { | |
| 749 | let mut fits = true; | |
| 750 | for &el in src0.iter() { | |
| 751 | if !in_range(el as i8, cbpair[0]) { | |
| 752 | fits = false; | |
| 753 | break; | |
| 754 | } | |
| 755 | } | |
| 756 | for &el in src1.iter() { | |
| 757 | if !in_range(el as i8, cbpair[1]) { | |
| 758 | fits = false; | |
| 759 | break; | |
| 760 | } | |
| 761 | } | |
| 762 | if fits { | |
| 763 | best_dist = dist; | |
| 764 | best_idx = idx; | |
| 765 | } | |
| 766 | } | |
| 767 | } | |
| 768 | ||
| 769 | indices[pair_no / 2] = best_idx as u8; | |
| 770 | ||
| 771 | let cb_pair = &cb.data[best_idx * 2..]; | |
| 772 | cell[src_idx] = ((cell[src_idx] as i8) + cb_pair[0]) as u8; | |
| 773 | cell[src_idx + 4] = ((cell[src_idx + 4] as i8) + cb_pair[0]) as u8; | |
| 774 | cell[src_idx + 1] = ((cell[src_idx + 1] as i8) + cb_pair[1]) as u8; | |
| 775 | cell[src_idx + 5] = ((cell[src_idx + 5] as i8) + cb_pair[1]) as u8; | |
| 776 | } | |
| 777 | iwriter.write_pair(indices[1], indices[0], cb.quad_radix, esc_val); | |
| 778 | } | |
| 779 | iwriter.compact_cell(esc_vals); | |
| 780 | } | |
| 781 | ||
| 782 | fn pair_dist(src: &[i8], pair: &[i8]) -> u32 { | |
| e6aaad5c KS |
783 | let d0 = (i32::from(src[0]) - i32::from(pair[0])).unsigned_abs(); |
| 784 | let d1 = (i32::from(src[1]) - i32::from(pair[1])).unsigned_abs(); | |
| 77c25c7b KS |
785 | d0 * d0 + d1 * d1 |
| 786 | } | |
| 787 | ||
| 788 | fn in_range(base: i8, delta: i8) -> bool { | |
| 789 | if let Some(val) = base.checked_add(delta) { | |
| 790 | val >= 0 | |
| 791 | } else { | |
| 792 | false | |
| 793 | } | |
| 794 | } | |
| 795 | ||
| 796 | fn find_pair(cb_data: &[i8], ppair: &[u8], cpair: &[u8]) -> u8 { | |
| 797 | let ppair = [ppair[0] as i8, ppair[1] as i8]; | |
| 798 | let diff = [(cpair[0] as i8) - ppair[0], (cpair[1] as i8) - ppair[1]]; | |
| 799 | // pair 0 is always zero; | |
| 800 | if diff == [0, 0] { | |
| 801 | return 0; | |
| 802 | } | |
| 803 | let mut best_idx = 0; | |
| 804 | let mut best_dist = pair_dist(&diff, &[0, 0]); | |
| 805 | for (idx, cbpair) in cb_data.chunks(2).enumerate().skip(1) { | |
| 806 | let dist = pair_dist(&diff, cbpair); | |
| 807 | if dist < best_dist && in_range(ppair[0], cbpair[0]) && in_range(ppair[1], cbpair[1]) { | |
| 808 | best_dist = dist; | |
| 809 | best_idx = idx; | |
| 810 | } | |
| 811 | } | |
| 812 | best_idx as u8 | |
| 813 | } | |
| 814 | ||
| 815 | fn find_quad(cb_data: &[i8], prev: &[u8], cur: &[u8]) -> (u8, u8) { | |
| 816 | let (ppair1, ppair0) = prev.split_at(2); | |
| 817 | let (cpair1, cpair0) = cur.split_at(2); | |
| 818 | let idx1 = find_pair(cb_data, ppair1, cpair1); | |
| 819 | let idx0 = find_pair(cb_data, ppair0, cpair0); | |
| 820 | (idx0, idx1) | |
| 821 | } | |
| 822 | ||
| 823 | const REQUANT_TAB: [[u8; 128]; 8] = [ | |
| 824 | [ | |
| 825 | 0x00, 0x02, 0x02, 0x04, 0x04, 0x06, 0x06, 0x08, | |
| 826 | 0x08, 0x0a, 0x0a, 0x0c, 0x0c, 0x0e, 0x0e, 0x10, | |
| 827 | 0x10, 0x12, 0x12, 0x14, 0x14, 0x16, 0x16, 0x18, | |
| 828 | 0x18, 0x1a, 0x1a, 0x1c, 0x1c, 0x1e, 0x1e, 0x20, | |
| 829 | 0x20, 0x22, 0x22, 0x24, 0x24, 0x26, 0x26, 0x28, | |
| 830 | 0x28, 0x2a, 0x2a, 0x2c, 0x2c, 0x2e, 0x2e, 0x30, | |
| 831 | 0x30, 0x32, 0x32, 0x34, 0x34, 0x36, 0x36, 0x38, | |
| 832 | 0x38, 0x3a, 0x3a, 0x3c, 0x3c, 0x3e, 0x3e, 0x40, | |
| 833 | 0x40, 0x42, 0x42, 0x44, 0x44, 0x46, 0x46, 0x48, | |
| 834 | 0x48, 0x4a, 0x4a, 0x4c, 0x4c, 0x4e, 0x4e, 0x50, | |
| 835 | 0x50, 0x52, 0x52, 0x54, 0x54, 0x56, 0x56, 0x58, | |
| 836 | 0x58, 0x5a, 0x5a, 0x5c, 0x5c, 0x5e, 0x5e, 0x60, | |
| 837 | 0x60, 0x62, 0x62, 0x64, 0x64, 0x66, 0x66, 0x68, | |
| 838 | 0x68, 0x6a, 0x6a, 0x6c, 0x6c, 0x6e, 0x6e, 0x70, | |
| 839 | 0x70, 0x72, 0x72, 0x74, 0x74, 0x76, 0x76, 0x78, | |
| 840 | 0x78, 0x7a, 0x7a, 0x7c, 0x7c, 0x7e, 0x7e, 0x7e | |
| 841 | ], [ | |
| 842 | 0x01, 0x01, 0x04, 0x04, 0x04, 0x07, 0x07, 0x0a, | |
| 843 | 0x0a, 0x0a, 0x0a, 0x0d, 0x0d, 0x0d, 0x10, 0x10, | |
| 844 | 0x10, 0x13, 0x13, 0x13, 0x16, 0x16, 0x16, 0x19, | |
| 845 | 0x19, 0x19, 0x1c, 0x1c, 0x1c, 0x1f, 0x1f, 0x1f, | |
| 846 | 0x22, 0x22, 0x22, 0x25, 0x25, 0x25, 0x28, 0x28, | |
| 847 | 0x28, 0x2b, 0x2b, 0x2b, 0x2e, 0x2e, 0x2e, 0x31, | |
| 848 | 0x31, 0x31, 0x34, 0x34, 0x34, 0x37, 0x37, 0x37, | |
| 849 | 0x3a, 0x3a, 0x3a, 0x3d, 0x3d, 0x3d, 0x40, 0x40, | |
| 850 | 0x40, 0x43, 0x43, 0x43, 0x46, 0x46, 0x46, 0x49, | |
| 851 | 0x49, 0x49, 0x4c, 0x4c, 0x4c, 0x4f, 0x4f, 0x4f, | |
| 852 | 0x52, 0x52, 0x52, 0x55, 0x55, 0x55, 0x58, 0x58, | |
| 853 | 0x58, 0x5b, 0x5b, 0x5b, 0x5e, 0x5e, 0x5e, 0x61, | |
| 854 | 0x61, 0x61, 0x64, 0x64, 0x64, 0x67, 0x67, 0x67, | |
| 855 | 0x6a, 0x6a, 0x6a, 0x6d, 0x6d, 0x6d, 0x70, 0x70, | |
| 856 | 0x70, 0x73, 0x73, 0x73, 0x76, 0x76, 0x76, 0x76, | |
| 857 | 0x76, 0x79, 0x7c, 0x7c, 0x7c, 0x7f, 0x7f, 0x7f | |
| 858 | ], [ | |
| 859 | 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x08, 0x08, | |
| 860 | 0x08, 0x08, 0x0c, 0x0c, 0x0c, 0x0c, 0x10, 0x10, | |
| 861 | 0x10, 0x10, 0x14, 0x14, 0x14, 0x14, 0x18, 0x18, | |
| 862 | 0x18, 0x18, 0x1c, 0x1c, 0x1c, 0x1c, 0x20, 0x20, | |
| 863 | 0x20, 0x20, 0x24, 0x24, 0x24, 0x24, 0x28, 0x28, | |
| 864 | 0x28, 0x28, 0x2c, 0x2c, 0x2c, 0x2c, 0x30, 0x30, | |
| 865 | 0x30, 0x30, 0x34, 0x34, 0x34, 0x34, 0x38, 0x38, | |
| 866 | 0x38, 0x38, 0x3c, 0x3c, 0x3c, 0x3c, 0x40, 0x40, | |
| 867 | 0x40, 0x40, 0x44, 0x44, 0x44, 0x44, 0x48, 0x48, | |
| 868 | 0x48, 0x48, 0x4c, 0x4c, 0x4c, 0x4c, 0x50, 0x50, | |
| 869 | 0x50, 0x50, 0x54, 0x54, 0x54, 0x54, 0x58, 0x58, | |
| 870 | 0x58, 0x58, 0x5c, 0x5c, 0x5c, 0x5c, 0x60, 0x60, | |
| 871 | 0x60, 0x60, 0x64, 0x64, 0x64, 0x64, 0x68, 0x68, | |
| 872 | 0x68, 0x68, 0x6c, 0x6c, 0x6c, 0x6c, 0x70, 0x70, | |
| 873 | 0x70, 0x70, 0x74, 0x74, 0x74, 0x74, 0x78, 0x78, | |
| 874 | 0x78, 0x78, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c | |
| 875 | ], [ | |
| 876 | 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, | |
| 877 | 0x09, 0x09, 0x09, 0x09, 0x09, 0x0e, 0x0e, 0x0e, | |
| 878 | 0x0e, 0x0e, 0x13, 0x13, 0x13, 0x13, 0x13, 0x18, | |
| 879 | 0x18, 0x18, 0x18, 0x18, 0x1d, 0x1d, 0x1d, 0x1d, | |
| 880 | 0x1d, 0x22, 0x22, 0x22, 0x22, 0x22, 0x27, 0x27, | |
| 881 | 0x27, 0x27, 0x27, 0x2c, 0x2c, 0x2c, 0x2c, 0x2c, | |
| 882 | 0x31, 0x31, 0x31, 0x31, 0x31, 0x36, 0x36, 0x36, | |
| 883 | 0x36, 0x36, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x40, | |
| 884 | 0x40, 0x40, 0x40, 0x40, 0x45, 0x45, 0x45, 0x45, | |
| 885 | 0x45, 0x4a, 0x4a, 0x4a, 0x4a, 0x4a, 0x4f, 0x4f, | |
| 886 | 0x4f, 0x4f, 0x4f, 0x54, 0x54, 0x54, 0x54, 0x54, | |
| 887 | 0x59, 0x59, 0x59, 0x59, 0x59, 0x5e, 0x5e, 0x5e, | |
| 888 | 0x5e, 0x5e, 0x63, 0x63, 0x63, 0x63, 0x63, 0x68, | |
| 889 | 0x68, 0x68, 0x68, 0x68, 0x6d, 0x6d, 0x6d, 0x6d, | |
| 890 | 0x6d, 0x72, 0x72, 0x72, 0x72, 0x72, 0x77, 0x77, | |
| 891 | 0x77, 0x77, 0x77, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c | |
| 892 | ], [ | |
| 893 | 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, | |
| 894 | 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x10, | |
| 895 | 0x10, 0x10, 0x10, 0x10, 0x10, 0x16, 0x16, 0x16, | |
| 896 | 0x16, 0x16, 0x16, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, | |
| 897 | 0x1c, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x28, | |
| 898 | 0x28, 0x28, 0x28, 0x28, 0x28, 0x2e, 0x2e, 0x2e, | |
| 899 | 0x2e, 0x2e, 0x2e, 0x34, 0x34, 0x34, 0x34, 0x34, | |
| 900 | 0x34, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x3a, 0x40, | |
| 901 | 0x40, 0x40, 0x40, 0x40, 0x40, 0x46, 0x46, 0x46, | |
| 902 | 0x46, 0x46, 0x46, 0x4c, 0x4c, 0x4c, 0x4c, 0x4c, | |
| 903 | 0x4c, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x58, | |
| 904 | 0x58, 0x58, 0x58, 0x58, 0x58, 0x5e, 0x5e, 0x5e, | |
| 905 | 0x5e, 0x5e, 0x5e, 0x64, 0x64, 0x64, 0x64, 0x64, | |
| 906 | 0x64, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x70, | |
| 907 | 0x70, 0x70, 0x70, 0x70, 0x70, 0x76, 0x76, 0x76, | |
| 908 | 0x76, 0x76, 0x76, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c | |
| 909 | ], [ | |
| 910 | 0x01, 0x01, 0x01, 0x01, 0x08, 0x08, 0x08, 0x08, | |
| 911 | 0x08, 0x08, 0x08, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, | |
| 912 | 0x0f, 0x0f, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, | |
| 913 | 0x16, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, | |
| 914 | 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x2b, | |
| 915 | 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x32, 0x32, | |
| 916 | 0x32, 0x32, 0x32, 0x32, 0x32, 0x39, 0x39, 0x39, | |
| 917 | 0x39, 0x39, 0x39, 0x39, 0x40, 0x40, 0x40, 0x40, | |
| 918 | 0x40, 0x40, 0x40, 0x47, 0x47, 0x47, 0x47, 0x47, | |
| 919 | 0x47, 0x47, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, | |
| 920 | 0x4e, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, | |
| 921 | 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x63, | |
| 922 | 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x6a, 0x6a, | |
| 923 | 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x71, 0x71, 0x71, | |
| 924 | 0x71, 0x71, 0x71, 0x71, 0x78, 0x78, 0x78, 0x78, | |
| 925 | 0x78, 0x78, 0x78, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f | |
| 926 | ], [ | |
| 927 | 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, | |
| 928 | 0x08, 0x08, 0x08, 0x08, 0x10, 0x10, 0x10, 0x10, | |
| 929 | 0x10, 0x10, 0x10, 0x10, 0x18, 0x18, 0x18, 0x18, | |
| 930 | 0x18, 0x18, 0x18, 0x18, 0x20, 0x20, 0x20, 0x20, | |
| 931 | 0x20, 0x20, 0x20, 0x20, 0x28, 0x28, 0x28, 0x28, | |
| 932 | 0x28, 0x28, 0x28, 0x28, 0x30, 0x30, 0x30, 0x30, | |
| 933 | 0x30, 0x30, 0x30, 0x30, 0x38, 0x38, 0x38, 0x38, | |
| 934 | 0x38, 0x38, 0x38, 0x38, 0x40, 0x40, 0x40, 0x40, | |
| 935 | 0x40, 0x40, 0x40, 0x40, 0x48, 0x48, 0x48, 0x48, | |
| 936 | 0x48, 0x48, 0x48, 0x48, 0x50, 0x50, 0x50, 0x50, | |
| 937 | 0x50, 0x50, 0x50, 0x50, 0x58, 0x58, 0x58, 0x58, | |
| 938 | 0x58, 0x58, 0x58, 0x58, 0x60, 0x60, 0x60, 0x60, | |
| 939 | 0x60, 0x60, 0x60, 0x60, 0x68, 0x68, 0x68, 0x68, | |
| 940 | 0x68, 0x68, 0x68, 0x68, 0x70, 0x70, 0x70, 0x70, | |
| 941 | 0x70, 0x70, 0x70, 0x70, 0x78, 0x78, 0x78, 0x78, | |
| 942 | 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78 | |
| 943 | ], [ | |
| 944 | 0x01, 0x01, 0x01, 0x01, 0x01, 0x0a, 0x0a, 0x0a, | |
| 945 | 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x13, 0x13, | |
| 946 | 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x1c, | |
| 947 | 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, | |
| 948 | 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, | |
| 949 | 0x25, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, | |
| 950 | 0x2e, 0x2e, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, | |
| 951 | 0x37, 0x37, 0x37, 0x40, 0x40, 0x40, 0x40, 0x40, | |
| 952 | 0x40, 0x40, 0x40, 0x40, 0x49, 0x49, 0x49, 0x49, | |
| 953 | 0x49, 0x49, 0x49, 0x49, 0x49, 0x52, 0x52, 0x52, | |
| 954 | 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x5b, 0x5b, | |
| 955 | 0x5b, 0x5b, 0x5b, 0x5b, 0x5b, 0x5b, 0x5b, 0x64, | |
| 956 | 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, 0x64, | |
| 957 | 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, | |
| 958 | 0x6d, 0x76, 0x76, 0x76, 0x76, 0x76, 0x76, 0x76, | |
| 959 | 0x76, 0x76, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f | |
| 960 | ] | |
| 961 | ]; |