nihav-duck/src/codecs/truemotion1.rs

   1 use nihav_core::codecs::*;
   2 use nihav_core::io::byteio::*;
   3
   4 struct MaskState<'a> {
   5     is_intra:   bool,
   6     pos:        usize,
   7     row_pos:   usize,
   8     row_size:   usize,
   9     mask:       u8,
  10     src:        &'a [u8],
  11 }
  12
  13 impl<'a> MaskState<'a> {
  14     fn new(is_intra: bool, src: &'a [u8], row_size: usize) -> Self {
  15         Self { is_intra, src, pos: 0, row_pos: 0, row_size, mask: 0x01 }
  16     }
  17     fn get_next(&mut self) -> bool {
  18         if self.is_intra {
  19             true
  20         } else {
  21             let res = (self.src[self.pos] & self.mask) == 0;
  22             self.mask <<= 1;
  23             if self.mask == 0 {
  24                 self.pos += 1;
  25                 self.mask = 0x01;
  26             }
  27             res
  28         }
  29     }
  30     fn reset_row(&mut self) {
  31         self.pos = self.row_pos;
  32         self.mask = 0x01;
  33     }
  34     fn next_row(&mut self) {
  35         self.row_pos += self.row_size;
  36         self.reset_row();
  37     }
  38 }
  39
  40 struct IndexState<'a> {
  41     src:        &'a [u8],
  42     pos:        usize,
  43     vec_idx:    usize,
  44     vec_subidx: usize,
  45 }
  46
  47 impl<'a> IndexState<'a> {
  48     fn new(src: &'a [u8]) -> Self {
  49         Self { src, pos: 0, vec_idx: 0, vec_subidx: 0 }
  50     }
  51     fn get_next(&mut self) -> DecoderResult<()> {
  52         validate!(self.pos < self.src.len());
  53         self.vec_idx = self.src[self.pos] as usize;
  54         self.vec_subidx = 0;
  55         self.pos += 1;
  56         Ok(())
  57     }
  58     fn get_pred(&self, dtab: &[[u32; 4]; 256]) -> u32 { dtab[self.vec_idx][self.vec_subidx] }
  59     fn get_diff16(&mut self, dtab: &[[u32; 4]; 256]) -> DecoderResult<u32> {
  60         let pred1 = self.get_pred(dtab);
  61         let mut pred = pred1 >> 1;
  62         if (pred1 & 1) != 0 {
  63             self.get_next()?;
  64             if self.vec_idx == 0 {
  65                 self.get_next()?;
  66                 let pred2 = self.get_pred(dtab);
  67                 pred = pred.wrapping_add((pred2 >> 1).wrapping_mul(5));
  68                 if (pred2 & 1) != 0 {
  69                     self.get_next()?;
  70                 } else {
  71                     self.vec_subidx += 1;
  72                 }
  73             }
  74         } else {
  75             self.vec_subidx += 1;
  76         }
  77         Ok(pred)
  78     }
  79     fn get_diff16_noesc(&mut self, dtab: &[[u32; 4]; 256]) -> DecoderResult<u32> {
  80         let pred1 = self.get_pred(dtab);
  81         let pred = pred1 >> 1;
  82         if (pred1 & 1) != 0 {
  83             self.get_next()?;
  84         } else {
  85             self.vec_subidx += 1;
  86         }
  87         Ok(pred)
  88     }
  89     fn get_diff24(&mut self, dtab: &[[u32; 4]; 256], esctab: &[[u32; 4]; 256]) -> DecoderResult<u32> {
  90         let pred1 = self.get_pred(dtab);
  91         let mut pred = pred1 >> 1;
  92         if (pred1 & 1) != 0 {
  93             self.get_next()?;
  94             if self.vec_idx == 0 {
  95                 self.get_next()?;
  96                 let pred2 = self.get_pred(esctab);
  97                 pred = pred.wrapping_add(pred2 >> 1);
  98                 if (pred2 & 1) != 0 {
  99                     self.get_next()?;
 100                 } else {
 101                     self.vec_subidx += 1;
 102                 }
 103             }
 104         } else {
 105             self.vec_subidx += 1;
 106         }
 107         Ok(pred)
 108     }
 109 }
 110
 111 struct DeltaTables {
 112     ydt:        [[u32; 4]; 256],
 113     cdt:        [[u32; 4]; 256],
 114     fat_ydt:    [[u32; 4]; 256],
 115     fat_cdt:    [[u32; 4]; 256],
 116     adt:        [[u32; 4]; 256],
 117 }
 118
 119 impl Default for DeltaTables {
 120     fn default() -> Self {
 121         Self {
 122             ydt:        [[0; 4]; 256],
 123             cdt:        [[0; 4]; 256],
 124             fat_ydt:    [[0; 4]; 256],
 125             fat_cdt:    [[0; 4]; 256],
 126             adt:        [[0; 4]; 256],
 127         }
 128     }
 129 }
 130
 131 struct FrameBuf {
 132     last16: Option<NAVideoBufferRef<u16>>,
 133     last24: Option<NAVideoBufferRef<u8>>,
 134 }
 135
 136 impl FrameBuf {
 137     fn set16(&mut self, buf: NAVideoBufferRef<u16>) { self.last16 = Some(buf); }
 138     fn set24(&mut self, buf: NAVideoBufferRef<u8>)  { self.last24 = Some(buf); }
 139     fn get16(&mut self) -> Option<NAVideoBufferRef<u16>> {
 140         if let Some(ref mut frm) = self.last16 {
 141             let newfrm = frm.copy_buffer();
 142             *frm = newfrm.clone().into_ref();
 143             Some(newfrm.into_ref())
 144         } else {
 145             None
 146         }
 147     }
 148     fn get24(&mut self) -> Option<NAVideoBufferRef<u8>> {
 149         if let Some(ref mut frm) = self.last24 {
 150             let newfrm = frm.copy_buffer();
 151             *frm = newfrm.clone().into_ref();
 152             Some(newfrm.into_ref())
 153         } else {
 154             None
 155         }
 156     }
 157     fn reset(&mut self) {
 158         self.last16 = None;
 159         self.last24 = None;
 160     }
 161 }
 162
 163 impl Default for FrameBuf {
 164     fn default() -> Self {
 165         Self { last16: None, last24: None }
 166     }
 167 }
 168
 169 #[derive(Default)]
 170 struct TM1Decoder {
 171     info:           NACodecInfoRef,
 172     last_delta_set: usize,
 173     last_table_idx: usize,
 174     delta_tables:   DeltaTables,
 175     blk_w:          usize,
 176     blk_h:          usize,
 177     vert_pred:      Vec<u32>,
 178     lastframe:      FrameBuf,
 179 }
 180
 181 const RGB555_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
 182                                         comp_info: [
 183                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 10, comp_offs: 0, next_elem: 2 }),
 184                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift:  5, comp_offs: 0, next_elem: 2 }),
 185                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift:  0, comp_offs: 0, next_elem: 2 }),
 186                                             None, None],
 187                                         elem_size: 2, be: false, alpha: false, palette: false };
 188 const BGR0_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
 189                                         comp_info: [
 190                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 2, next_elem: 4 }),
 191                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 1, next_elem: 4 }),
 192                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 0, next_elem: 4 }),
 193                                             None, None],
 194                                         elem_size: 4, be: false, alpha: false, palette: false };
 195
 196 impl TM1Decoder {
 197     fn new() -> Self { Self::default() }
 198     fn set_delta_tables(&mut self, delta_set: usize, table_idx: usize, is_24bit: bool) {
 199         if (self.last_delta_set == delta_set) && (self.last_table_idx == table_idx) { return; }
 200         let ydt  = &DUCK_Y_DELTAS[delta_set];
 201         let yfdt = DUCK_Y_FAT_DELTAS[delta_set];
 202         let cdt  = &DUCK_C_DELTAS[delta_set];
 203         let cfdt = DUCK_C_FAT_DELTAS[delta_set];
 204         let vec  = DUCK_VECTABLES[table_idx - 1];
 205
 206         let mut vec_iter = vec.iter();
 207         for i in 0..256 {
 208             let len = (*vec_iter.next().unwrap() as usize) >> 1;
 209             for j in 0..len {
 210                 let pair = vec_iter.next().unwrap();
 211                 let lo = (pair >> 4) as usize;
 212                 let hi = (pair & 0xF) as usize;
 213                 if !is_24bit {
 214                     let d_lo = ydt[lo] + (ydt[lo] << 5) + (ydt[lo] << 10);
 215                     let d_hi = ydt[hi] + (ydt[hi] << 5) + (ydt[hi] << 10);
 216                     self.delta_tables.ydt[i][j] = ((d_lo + (d_hi << 16)) << 1) as u32;
 217                     let d_c = cdt[hi] + (cdt[lo] << 10);
 218                     self.delta_tables.cdt[i][j] = ((d_c + (d_c << 16)) << 1) as u32;
 219                     let d_a = lo + hi * 5;
 220                     self.delta_tables.adt[i][j] = ((d_a << 16) << 1) as u32;
 221                 } else {
 222                     self.delta_tables.ydt[i][j]     = ((ydt [lo] + (ydt [hi] << 8) + (ydt [hi] << 16)) << 1) as u32;
 223                     self.delta_tables.fat_ydt[i][j] = ((yfdt[lo] + (yfdt[hi] << 8) + (yfdt[hi] << 16)) << 1) as u32;
 224                     self.delta_tables.cdt[i][j]     = ((cdt [hi] + (cdt [lo] << 16)) << 1) as u32;
 225                     self.delta_tables.fat_cdt[i][j] = ((cfdt[hi] + (cfdt[lo] << 16)) << 1) as u32;
 226                 }
 227             }
 228             self.delta_tables.ydt[i][len - 1] |= 1;
 229             self.delta_tables.cdt[i][len - 1] |= 1;
 230             self.delta_tables.adt[i][len - 1] |= 1;
 231             self.delta_tables.fat_ydt[i][len - 1] |= 1;
 232             self.delta_tables.fat_cdt[i][len - 1] |= 1;
 233         }
 234
 235         self.last_delta_set = delta_set;
 236         self.last_table_idx = table_idx;
 237     }
 238     fn decode_16bit(&mut self, dst: &mut [u16], stride: usize, width: usize, height: usize, mask: &mut MaskState<'_>, index: &mut IndexState<'_>) -> DecoderResult<()> {
 239         let mut off = 0;
 240         index.get_next()?;
 241         for y in 0..height {
 242             let mut hor_pred: u32 = 0;
 243             for x in (0..width).step_by(4) {
 244                 if mask.get_next() {
 245                     match y & 3 {
 246                         0 => {
 247                             let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
 248                             let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
 249                             hor_pred = hor_pred.wrapping_add(dc0);
 250                             hor_pred = hor_pred.wrapping_add(dy0);
 251                             let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
 252                             self.vert_pred[(x >> 1) + 0] = cur;
 253                             dst[off + x + 0] = cur as u16;
 254                             dst[off + x + 1] = (cur >> 16) as u16;
 255                             if self.blk_w == 2 {
 256                                 let dc1 = index.get_diff16(&self.delta_tables.cdt)?;
 257                                 hor_pred = hor_pred.wrapping_add(dc1);
 258                             }
 259                             let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
 260                             hor_pred = hor_pred.wrapping_add(dy1);
 261                             let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
 262                             self.vert_pred[(x >> 1) + 1] = cur;
 263                             dst[off + x + 2] = cur as u16;
 264                             dst[off + x + 3] = (cur >> 16) as u16;
 265                         },
 266                         1 | 3 => {
 267                             let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
 268                             hor_pred = hor_pred.wrapping_add(dy0);
 269                             let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
 270                             self.vert_pred[(x >> 1) + 0] = cur;
 271                             dst[off + x + 0] = cur as u16;
 272                             dst[off + x + 1] = (cur >> 16) as u16;
 273                             let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
 274                             hor_pred = hor_pred.wrapping_add(dy1);
 275                             let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
 276                             self.vert_pred[(x >> 1) + 1] = cur;
 277                             dst[off + x + 2] = cur as u16;
 278                             dst[off + x + 3] = (cur >> 16) as u16;
 279                         },
 280                         2 => {
 281                             if self.blk_h == 2 {
 282                                 let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
 283                                 let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
 284                                 hor_pred = hor_pred.wrapping_add(dc0);
 285                                 hor_pred = hor_pred.wrapping_add(dy0);
 286                                 let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
 287                                 self.vert_pred[(x >> 1) + 0] = cur;
 288                                 dst[off + x + 0] = cur as u16;
 289                                 dst[off + x + 1] = (cur >> 16) as u16;
 290                                 if self.blk_w == 2 {
 291                                     let dc1 = index.get_diff16(&self.delta_tables.cdt)?;
 292                                     hor_pred = hor_pred.wrapping_add(dc1);
 293                                 }
 294                                 let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
 295                                 hor_pred = hor_pred.wrapping_add(dy1);
 296                                 let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
 297                                 self.vert_pred[(x >> 1) + 1] = cur;
 298                                 dst[off + x + 2] = cur as u16;
 299                                 dst[off + x + 3] = (cur >> 16) as u16;
 300                             } else {
 301                                 let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
 302                                 hor_pred = hor_pred.wrapping_add(dy0);
 303                                 let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
 304                                 self.vert_pred[(x >> 1) + 0] = cur;
 305                                 dst[off + x + 0] = cur as u16;
 306                                 dst[off + x + 1] = (cur >> 16) as u16;
 307                                 let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
 308                                 hor_pred = hor_pred.wrapping_add(dy1);
 309                                 let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
 310                                 self.vert_pred[(x >> 1) + 1] = cur;
 311                                 dst[off + x + 2] = cur as u16;
 312                                 dst[off + x + 3] = (cur >> 16) as u16;
 313                             }
 314                         },
 315                         _ => unreachable!(),
 316                     };
 317                 } else {
 318                     let cur = u32::from(dst[off + x + 0]) | (u32::from(dst[off + x + 1]) << 16);
 319                     self.vert_pred[(x >> 1) + 0] = cur;
 320                     let cur = u32::from(dst[off + x + 2]) | (u32::from(dst[off + x + 3]) << 16);
 321                     hor_pred = cur.wrapping_sub(self.vert_pred[(x >> 1) + 1]);
 322                     self.vert_pred[(x >> 1) + 1] = cur;
 323                 }
 324             }
 325             if (y & 3) != 3 {
 326                 mask.reset_row();
 327             } else {
 328                 mask.next_row();
 329             }
 330             off += stride;
 331         }
 332         Ok(())
 333     }
 334     fn decode_sprite(&mut self, dst: &mut [u16], stride: usize, width: usize, height: usize, mask: &mut MaskState<'_>, index: &mut IndexState<'_>) -> DecoderResult<()> {
 335         let mut off = 0;
 336         let _ = index.get_next();
 337         for y in 0..height {
 338             let mut hor_pred: u32 = 0;
 339             for x in (0..width).step_by(4) {
 340                 let is_tm = !mask.get_next();
 341                 let is_sprite = !mask.get_next();
 342                 if is_tm {
 343                     if (y & 3) == 0 {
 344                         let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
 345                         hor_pred = hor_pred.wrapping_add(dc0);
 346                     }
 347                     let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
 348                     hor_pred = hor_pred.wrapping_add(dy0);
 349                     let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
 350                     self.vert_pred[(x >> 1) + 0] = cur;
 351                     dst[off + x + 0] = cur as u16;
 352                     dst[off + x + 1] = (cur >> 16) as u16;
 353                     let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
 354                     hor_pred = hor_pred.wrapping_add(dy1);
 355                     let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
 356                     self.vert_pred[(x >> 1) + 1] = cur;
 357                     dst[off + x + 2] = cur as u16;
 358                     dst[off + x + 3] = (cur >> 16) as u16;
 359                 } else if is_sprite {
 360                     if (y & 3) == 0 {
 361                         let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
 362                         hor_pred = hor_pred.wrapping_add(dc0);
 363                     }
 364                     let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
 365                     hor_pred = hor_pred.wrapping_add(dy0);
 366                     let _da0 = index.get_diff16_noesc(&self.delta_tables.adt)?;
 367                     let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
 368                     self.vert_pred[(x >> 1) + 0] = cur;
 369                     dst[off + x + 0] = cur as u16;
 370                     dst[off + x + 1] = (cur >> 16) as u16;
 371                     let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
 372                     hor_pred = hor_pred.wrapping_add(dy1);
 373                     let _da1 = index.get_diff16_noesc(&self.delta_tables.adt)?;
 374                     let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
 375                     self.vert_pred[(x >> 1) + 1] = cur;
 376                     dst[off + x + 2] = cur as u16;
 377                     dst[off + x + 3] = (cur >> 16) as u16;
 378                 } else {
 379                     hor_pred = 0;
 380                     dst[off + x + 0] = 0;
 381                     dst[off + x + 1] = 0;
 382                     dst[off + x + 2] = 0;
 383                     dst[off + x + 3] = 0;
 384                     self.vert_pred[(x >> 1) + 0] = 0;
 385                     self.vert_pred[(x >> 1) + 1] = 0;
 386                 }
 387             }
 388             if (y & 3) != 3 {
 389                 mask.reset_row();
 390             } else {
 391                 mask.next_row();
 392             }
 393             off += stride;
 394         }
 395         Ok(())
 396     }
 397     fn decode_24bit(&mut self, dst: &mut [u8], stride: usize, width: usize, height: usize, mask: &mut MaskState<'_>, index: &mut IndexState<'_>) -> DecoderResult<()> {
 398         let mut off = 0;
 399         index.get_next()?;
 400         for y in 0..height {
 401             let mut hor_pred: u32 = 0;
 402             for x in (0..width).step_by(2) {
 403                 if mask.get_next() {
 404                     match y & 3 {
 405                         0 => {
 406                             let dc0 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
 407                             let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 408                             hor_pred = hor_pred.wrapping_add(dc0);
 409                             hor_pred = hor_pred.wrapping_add(dy0);
 410                             let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
 411                             self.vert_pred[x + 0] = cur;
 412                             dst[off + x*4 + 0] = cur as u8;
 413                             dst[off + x*4 + 1] = (cur >> 8) as u8;
 414                             dst[off + x*4 + 2] = (cur >> 16) as u8;
 415                             dst[off + x*4 + 3] = 0;
 416                             if self.blk_w == 2 {
 417                                 let dc1 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
 418                                 hor_pred = hor_pred.wrapping_add(dc1);
 419                             }
 420                             let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 421                             hor_pred = hor_pred.wrapping_add(dy1);
 422                             let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
 423                             self.vert_pred[x + 1] = cur;
 424                             dst[off + x*4 + 4] = cur as u8;
 425                             dst[off + x*4 + 5] = (cur >> 8) as u8;
 426                             dst[off + x*4 + 6] = (cur >> 16) as u8;
 427                             dst[off + x*4 + 7] = 0;
 428                         },
 429                         1 | 3 => {
 430                             let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 431                             hor_pred = hor_pred.wrapping_add(dy0);
 432                             let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
 433                             self.vert_pred[x + 0] = cur;
 434                             dst[off + x*4 + 0] = cur as u8;
 435                             dst[off + x*4 + 1] = (cur >> 8) as u8;
 436                             dst[off + x*4 + 2] = (cur >> 16) as u8;
 437                             dst[off + x*4 + 3] = 0;
 438                             let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 439                             hor_pred = hor_pred.wrapping_add(dy1);
 440                             let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
 441                             self.vert_pred[x + 1] = cur;
 442                             dst[off + x*4 + 4] = cur as u8;
 443                             dst[off + x*4 + 5] = (cur >> 8) as u8;
 444                             dst[off + x*4 + 6] = (cur >> 16) as u8;
 445                             dst[off + x*4 + 7] = 0;
 446                         },
 447                         2 => {
 448                             if self.blk_h == 2 {
 449                                 let dc0 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
 450                                 let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 451                                 hor_pred = hor_pred.wrapping_add(dc0);
 452                                 hor_pred = hor_pred.wrapping_add(dy0);
 453                                 let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
 454                                 self.vert_pred[x + 0] = cur;
 455                                 dst[off + x*4 + 0] = cur as u8;
 456                                 dst[off + x*4 + 1] = (cur >> 8) as u8;
 457                                 dst[off + x*4 + 2] = (cur >> 16) as u8;
 458                                 dst[off + x*4 + 3] = 0;
 459                                 if self.blk_w == 2 {
 460                                     let dc1 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
 461                                     hor_pred = hor_pred.wrapping_add(dc1);
 462                                 }
 463                                 let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 464                                 hor_pred = hor_pred.wrapping_add(dy1);
 465                                 let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
 466                                 self.vert_pred[x + 1] = cur;
 467                                 dst[off + x*4 + 4] = cur as u8;
 468                                 dst[off + x*4 + 5] = (cur >> 8) as u8;
 469                                 dst[off + x*4 + 6] = (cur >> 16) as u8;
 470                                 dst[off + x*4 + 7] = 0;
 471                             } else {
 472                                 let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 473                                 hor_pred = hor_pred.wrapping_add(dy0);
 474                                 let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
 475                                 self.vert_pred[x + 0] = cur;
 476                                 dst[off + x*4 + 0] = cur as u8;
 477                                 dst[off + x*4 + 1] = (cur >> 8) as u8;
 478                                 dst[off + x*4 + 2] = (cur >> 16) as u8;
 479                                 dst[off + x*4 + 3] = 0;
 480                                 let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
 481                                 hor_pred = hor_pred.wrapping_add(dy1);
 482                                 let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
 483                                 self.vert_pred[x + 1] = cur;
 484                                 dst[off + x*4 + 4] = cur as u8;
 485                                 dst[off + x*4 + 5] = (cur >> 8) as u8;
 486                                 dst[off + x*4 + 6] = (cur >> 16) as u8;
 487                                 dst[off + x*4 + 7] = 0;
 488                             }
 489                         },
 490                         _ => unreachable!(),
 491                     };
 492                 } else {
 493                     let cur =   u32::from(dst[off + x*4 + 0])
 494                              | (u32::from(dst[off + x*4 + 1]) << 8)
 495                              | (u32::from(dst[off + x*4 + 2]) << 16)
 496                              | (u32::from(dst[off + x*4 + 3]) << 24);
 497                     self.vert_pred[x + 0] = cur;
 498                     let cur =   u32::from(dst[off + x*4 + 4])
 499                              | (u32::from(dst[off + x*4 + 5]) << 8)
 500                              | (u32::from(dst[off + x*4 + 6]) << 16)
 501                              | (u32::from(dst[off + x*4 + 7]) << 24);
 502                     hor_pred = cur.wrapping_sub(self.vert_pred[x + 1]);
 503                     self.vert_pred[x + 1] = cur;
 504                 }
 505             }
 506             if (y & 3) != 3 {
 507                 mask.reset_row();
 508             } else {
 509                 mask.next_row();
 510             }
 511             off += stride;
 512         }
 513         Ok(())
 514     }
 515 }
 516
 517 impl NADecoder for TM1Decoder {
 518     fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
 519         if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
 520             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, YUV410_FORMAT));
 521             self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
 522             Ok(())
 523         } else {
 524             Err(DecoderError::InvalidData)
 525         }
 526     }
 527     fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
 528         let src = pkt.get_buffer();
 529         validate!(src.len() > 10);
 530         let hdr_size = (src[0].rotate_left(3) & 0x7F) as usize;
 531         validate!(hdr_size >= 12 && hdr_size < src.len());
 532         let mut hdr: [u8; 127] = [0; 127];
 533         for i in 1..hdr_size {
 534             hdr[i - 1] = src[i] ^ src[i + 1];
 535         }
 536         let mut mr = MemoryReader::new_read(&hdr[0..hdr_size-1]);
 537         let mut br = ByteReader::new(&mut mr);
 538
 539         let tm1type                             = br.read_byte()? as usize;
 540         let delta_set                           = br.read_byte()? as usize;
 541         let table_idx                           = br.read_byte()? as usize;
 542         let height                              = br.read_u16le()? as usize;
 543         let width                               = br.read_u16le()? as usize;
 544         let _frameno                            = br.read_u16le()? as usize;
 545         let version                             = br.read_byte()?;
 546         let meta_type                           = br.read_byte()?;
 547         validate!(width > 0 && height > 0);
 548         let is_intra;
 549         let mut is_sprite = false;
 550         let mut spr_xoff = 0;
 551         let mut spr_yoff = 0;
 552         let mut spr_width = 0;
 553         let mut spr_height = 0;
 554         if version >= 2 {
 555             validate!(meta_type <= 3);
 556             if meta_type >= 2 {
 557                 let frameinfo                   = br.read_byte()?;
 558                 let _control                    = br.read_byte()?;
 559
 560                 is_intra = ((frameinfo & 0x10) != 0) || ((frameinfo & 0x08) == 0);
 561             } else {
 562                 is_intra = true;
 563             }
 564             if meta_type == 3 {
 565                 spr_xoff                        = br.read_u16le()? as usize;
 566                 spr_yoff                        = br.read_u16le()? as usize;
 567                 spr_width                       = br.read_u16le()? as usize;
 568                 spr_height                      = br.read_u16le()? as usize;
 569                 is_sprite = true;
 570             }
 571         } else {
 572             is_intra = true;
 573         }
 574         validate!(tm1type < TM1_COMPR_TYPES.len());
 575         let cinfo = TM1_COMPR_TYPES[tm1type];
 576         if cinfo.is_none() {
 577 //check for missing ref
 578             let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::None);
 579             frm.set_keyframe(false);
 580             frm.set_frame_type(FrameType::Skip);
 581             return Ok(frm.into_ref());
 582         }
 583         let compr_info = cinfo.unwrap();
 584         let is_24bit = !is_sprite && compr_info.is_24bit;
 585
 586         let vec_idx = if ((tm1type & 1) != 0) && (meta_type > 0) { 1 } else { table_idx };
 587         validate!((delta_set < DUCK_Y_DELTAS.len()) && (vec_idx > 0) && (vec_idx <= DUCK_VECTABLES.len()));
 588         self.set_delta_tables(delta_set, vec_idx, is_24bit);
 589
 590         let out_width = if is_24bit { width >> 1 } else { width };
 591         let mask_row_size = if is_sprite {
 592                 ((spr_width >> 2) + 3) >> 2
 593             } else if is_intra {
 594                 0
 595             } else {
 596                 ((width >> 2) + 7) >> 3
 597             };
 598         let mask_size = mask_row_size * (if is_sprite { spr_height >> 2 } else { height >> 2 });
 599         let mask_bits = &src[hdr_size..][..mask_size];
 600         let index_bytes = &src[hdr_size+mask_size..];
 601         validate!(src.len() >= hdr_size + mask_size);
 602         self.vert_pred.truncate(0);
 603         self.vert_pred.resize(out_width, 0);
 604
 605         if is_intra || is_sprite {
 606             let fmt = if is_24bit { BGR0_FORMAT } else { RGB555_FORMAT };
 607             let myinfo = NAVideoInfo::new(out_width, height, false, fmt);
 608             let bufinfo = alloc_video_buffer(myinfo, 2)?;
 609             self.lastframe.reset();
 610             if !is_24bit {
 611                 self.lastframe.set16(bufinfo.get_vbuf16().unwrap());
 612             } else {
 613                 self.lastframe.set24(bufinfo.get_vbuf().unwrap());
 614             }
 615         }
 616
 617         self.blk_w = compr_info.block_w;
 618         self.blk_h = compr_info.block_h;
 619         let mut mask = MaskState::new(is_intra && !is_sprite, &mask_bits, mask_row_size);
 620         let mut index = IndexState::new(&index_bytes);
 621         let bufinfo;
 622         if !is_24bit {
 623             if let Some(mut buf) = self.lastframe.get16() {
 624                 let stride = buf.get_stride(0);
 625                 {
 626                     let data = buf.get_data_mut().unwrap();
 627                     if !is_sprite {
 628                         self.decode_16bit(data.as_mut_slice(), stride, out_width, height, &mut mask, &mut index)?;
 629                     } else {
 630                         validate!(spr_xoff + spr_width <= out_width);
 631                         validate!(spr_yoff + spr_height <= height);
 632                         for el in data.iter_mut() { *el = 0; }
 633                         let dst = &mut data[spr_xoff + spr_yoff * stride..];
 634                         self.decode_sprite(dst, stride, spr_width, spr_height, &mut mask, &mut index)?;
 635                     }
 636                 }
 637                 bufinfo = NABufferType::Video16(buf);
 638             } else {
 639                 return Err(DecoderError::MissingReference);
 640             }
 641         } else if let Some(mut buf) = self.lastframe.get24() {
 642             let stride = buf.get_stride(0);
 643             {
 644                 let data = buf.get_data_mut().unwrap();
 645                 self.decode_24bit(data.as_mut_slice(), stride, out_width, height, &mut mask, &mut index)?;
 646             }
 647             bufinfo = NABufferType::VideoPacked(buf);
 648         } else {
 649             return Err(DecoderError::MissingReference);
 650         }
 651
 652         let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
 653         frm.set_keyframe(is_intra || is_sprite);
 654         frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P });
 655         Ok(frm.into_ref())
 656     }
 657 }
 658
 659 pub fn get_decoder() -> Box<dyn NADecoder> {
 660     Box::new(TM1Decoder::new())
 661 }
 662
 663 #[cfg(test)]
 664 mod test {
 665     use nihav_core::codecs::RegisteredDecoders;
 666     use nihav_core::demuxers::RegisteredDemuxers;
 667     use nihav_core::test::dec_video::*;
 668     use crate::codecs::duck_register_all_codecs;
 669     use nihav_commonfmt::demuxers::generic_register_all_demuxers;
 670     #[test]
 671     fn test_tm1() {
 672         let mut dmx_reg = RegisteredDemuxers::new();
 673         generic_register_all_demuxers(&mut dmx_reg);
 674         let mut dec_reg = RegisteredDecoders::new();
 675         duck_register_all_codecs(&mut dec_reg);
 676
 677         //let file = "assets/Duck/AVI-DUCK-dk3.duk";
 678         let file = "assets/Duck/phant2-940.duk";
 679         //let file = "assets/Duck/bugsampler-m01-16bit.avi";
 680         //let file = "assets/Duck/sonic3dblast_intro.avi";
 681         //let file = "assets/Duck/BUTTONS.AVI";
 682         //let file = "assets/Duck/SPRITES.AVI";
 683         //let file = "assets/Duck/TRICORD.AVI";
 684         test_file_decoding("avi", file, Some(42), true, false, None/*Some("tm1-")*/, &dmx_reg, &dec_reg);
 685     }
 686 }
 687
 688 #[derive(Clone,Copy)]
 689 struct TM1ComprInfo {
 690     is_24bit:   bool,
 691     block_w:    usize,
 692     block_h:    usize,
 693 }
 694
 695 const TM1_COMPR_TYPES: [Option<TM1ComprInfo>; 17] = [
 696     None,
 697     Some(TM1ComprInfo { is_24bit: false, block_w: 4, block_h: 4 }),
 698     Some(TM1ComprInfo { is_24bit: false, block_w: 4, block_h: 4 }),
 699     Some(TM1ComprInfo { is_24bit: false, block_w: 4, block_h: 2 }),
 700     Some(TM1ComprInfo { is_24bit: false, block_w: 4, block_h: 2 }),
 701     Some(TM1ComprInfo { is_24bit: false, block_w: 2, block_h: 4 }),
 702     Some(TM1ComprInfo { is_24bit: false, block_w: 2, block_h: 4 }),
 703     Some(TM1ComprInfo { is_24bit: false, block_w: 2, block_h: 2 }),
 704     Some(TM1ComprInfo { is_24bit: false, block_w: 2, block_h: 2 }),
 705     None,
 706     Some(TM1ComprInfo { is_24bit: true,  block_w: 4, block_h: 4 }),
 707     None,
 708     Some(TM1ComprInfo { is_24bit: true,  block_w: 4, block_h: 2 }),
 709     None,
 710     Some(TM1ComprInfo { is_24bit: true,  block_w: 2, block_h: 4 }),
 711     None,
 712     Some(TM1ComprInfo { is_24bit: true,  block_w: 2, block_h: 2 }),
 713 ];
 714
 715 const DUCK_Y_DELTAS: [[i32; 8]; 4] = [
 716     [ 0, -1,  1,  -3,  3,  -6,  6,  -6 ],
 717     [ 0, -1,  2,  -3,  4,  -6,  6,  -6 ],
 718     [ 2, -3, 10, -10, 23, -23, 47, -47 ],
 719     [ 0, -2,  2,  -8,  8, -18, 18, -40 ]
 720 ];
 721 const DUCK_Y_FAT_DELTA3: [i32; 8] = [ 0, -15, 50, -50, 115, -115, 235, -235 ];
 722 const DUCK_Y_FAT_DELTA4: [i32; 8] = [ 0,  40, 80, -76, 160, -154, 236, -236 ];
 723 const DUCK_Y_FAT_DELTAS: [&[i32]; 4] = [
 724     &DUCK_Y_FAT_DELTA3, &DUCK_Y_FAT_DELTA3, &DUCK_Y_FAT_DELTA3, &DUCK_Y_FAT_DELTA4
 725 ];
 726
 727 const DUCK_C_DELTAS: [[i32; 8]; 4] = [
 728     [ 0, -1, 1,  -2,  3,  -4,  5,  -4 ],
 729     [ 0, -1, 1,  -2,  3,  -4,  5,  -4 ],
 730     [ 0, -4, 3, -16, 20, -32, 36, -32 ],
 731     [ 0, -2, 2,  -8,  8, -18, 18, -40 ]
 732 ];
 733 const DUCK_C_FAT_DELTA3: [i32; 8] = [ 0, -20, 15, -80, 100, -160, 180, -160 ];
 734 const DUCK_C_FAT_DELTAS: [&[i32]; 4] = [
 735     &DUCK_C_FAT_DELTA3, &DUCK_C_FAT_DELTA3, &DUCK_C_FAT_DELTA3, &DUCK_Y_FAT_DELTA4
 736 ];
 737
 738 const DUCK_VECTBL2: &[u8] = &[
 739 0x8,0x00,0x00,0x00,0x00,
 740 0x8,0x00,0x00,0x00,0x00,
 741 0x8,0x10,0x00,0x00,0x00,
 742 0x8,0x01,0x00,0x00,0x00,
 743 0x8,0x00,0x10,0x00,0x00,
 744 0x8,0x00,0x01,0x00,0x00,
 745 0x8,0x00,0x00,0x10,0x00,
 746 0x8,0x00,0x00,0x01,0x00,
 747 0x8,0x00,0x00,0x00,0x10,
 748 0x8,0x00,0x00,0x00,0x01,
 749 0x6,0x00,0x00,0x00,
 750 0x6,0x10,0x00,0x00,
 751 0x6,0x01,0x00,0x00,
 752 0x6,0x00,0x10,0x00,
 753 0x6,0x00,0x01,0x00,
 754 0x6,0x00,0x00,0x01,
 755 0x6,0x00,0x00,0x10,
 756 0x6,0x00,0x00,0x02,
 757 0x6,0x00,0x00,0x20,
 758 0x6,0x20,0x10,0x00,
 759 0x6,0x00,0x02,0x01,
 760 0x6,0x00,0x20,0x10,
 761 0x6,0x02,0x01,0x00,
 762 0x6,0x11,0x00,0x00,
 763 0x6,0x00,0x20,0x00,
 764 0x6,0x00,0x02,0x00,
 765 0x6,0x20,0x00,0x00,
 766 0x6,0x01,0x10,0x00,
 767 0x6,0x02,0x00,0x00,
 768 0x6,0x01,0x00,0x02,
 769 0x6,0x10,0x00,0x20,
 770 0x6,0x00,0x01,0x02,
 771 0x6,0x10,0x01,0x00,
 772 0x6,0x00,0x10,0x20,
 773 0x6,0x10,0x10,0x00,
 774 0x6,0x10,0x00,0x01,
 775 0x6,0x20,0x00,0x10,
 776 0x6,0x02,0x00,0x01,
 777 0x6,0x01,0x01,0x00,
 778 0x6,0x01,0x00,0x10,
 779 0x6,0x00,0x11,0x00,
 780 0x6,0x10,0x00,0x02,
 781 0x6,0x00,0x01,0x10,
 782 0x6,0x00,0x00,0x11,
 783 0x6,0x10,0x00,0x10,
 784 0x6,0x01,0x00,0x01,
 785 0x6,0x00,0x00,0x22,
 786 0x6,0x02,0x01,0x01,
 787 0x6,0x10,0x20,0x10,
 788 0x6,0x01,0x02,0x01,
 789 0x6,0x20,0x10,0x10,
 790 0x6,0x01,0x00,0x20,
 791 0x6,0x00,0x10,0x01,
 792 0x6,0x21,0x10,0x00,
 793 0x6,0x10,0x02,0x01,
 794 0x6,0x12,0x01,0x00,
 795 0x6,0x01,0x20,0x10,
 796 0x6,0x01,0x02,0x00,
 797 0x6,0x10,0x20,0x00,
 798 0x6,0x00,0x10,0x02,
 799 0x6,0x00,0x01,0x20,
 800 0x6,0x00,0x02,0x21,
 801 0x6,0x00,0x02,0x20,
 802 0x6,0x00,0x00,0x12,
 803 0x6,0x00,0x00,0x21,
 804 0x6,0x20,0x11,0x00,
 805 0x6,0x00,0x01,0x01,
 806 0x6,0x11,0x10,0x00,
 807 0x6,0x00,0x20,0x12,
 808 0x6,0x00,0x20,0x11,
 809 0x6,0x20,0x10,0x02,
 810 0x6,0x02,0x01,0x20,
 811 0x6,0x00,0x22,0x11,
 812 0x6,0x00,0x10,0x10,
 813 0x6,0x02,0x11,0x00,
 814 0x6,0x00,0x21,0x10,
 815 0x6,0x00,0x02,0x03,
 816 0x6,0x20,0x10,0x01,
 817 0x6,0x00,0x12,0x01,
 818 0x4,0x11,0x00,
 819 0x4,0x00,0x22,
 820 0x4,0x20,0x00,
 821 0x4,0x01,0x10,
 822 0x4,0x02,0x20,
 823 0x4,0x00,0x20,
 824 0x4,0x02,0x00,
 825 0x4,0x10,0x01,
 826 0x4,0x00,0x11,
 827 0x4,0x02,0x01,
 828 0x4,0x02,0x21,
 829 0x4,0x00,0x02,
 830 0x4,0x20,0x02,
 831 0x4,0x01,0x01,
 832 0x4,0x10,0x10,
 833 0x4,0x10,0x02,
 834 0x4,0x22,0x00,
 835 0x4,0x10,0x00,
 836 0x4,0x01,0x00,
 837 0x4,0x21,0x00,
 838 0x4,0x12,0x00,
 839 0x4,0x00,0x10,
 840 0x4,0x20,0x12,
 841 0x4,0x01,0x11,
 842 0x4,0x00,0x01,
 843 0x4,0x01,0x02,
 844 0x4,0x11,0x02,
 845 0x4,0x11,0x01,
 846 0x4,0x10,0x20,
 847 0x4,0x20,0x01,
 848 0x4,0x22,0x11,
 849 0x4,0x00,0x12,
 850 0x4,0x20,0x10,
 851 0x4,0x22,0x01,
 852 0x4,0x01,0x20,
 853 0x4,0x00,0x21,
 854 0x4,0x10,0x11,
 855 0x4,0x21,0x10,
 856 0x4,0x10,0x22,
 857 0x4,0x02,0x03,
 858 0x4,0x12,0x01,
 859 0x4,0x20,0x11,
 860 0x4,0x11,0x10,
 861 0x4,0x20,0x30,
 862 0x4,0x11,0x20,
 863 0x4,0x02,0x10,
 864 0x4,0x22,0x10,
 865 0x4,0x11,0x11,
 866 0x4,0x30,0x20,
 867 0x4,0x30,0x00,
 868 0x4,0x01,0x22,
 869 0x4,0x01,0x12,
 870 0x4,0x02,0x11,
 871 0x4,0x03,0x02,
 872 0x4,0x03,0x00,
 873 0x4,0x10,0x21,
 874 0x4,0x12,0x20,
 875 0x4,0x00,0x00,
 876 0x4,0x12,0x21,
 877 0x4,0x21,0x11,
 878 0x4,0x02,0x22,
 879 0x4,0x10,0x12,
 880 0x4,0x31,0x00,
 881 0x4,0x20,0x20,
 882 0x4,0x00,0x03,
 883 0x4,0x02,0x02,
 884 0x4,0x22,0x20,
 885 0x4,0x01,0x21,
 886 0x4,0x21,0x02,
 887 0x4,0x21,0x12,
 888 0x4,0x11,0x22,
 889 0x4,0x00,0x30,
 890 0x4,0x12,0x11,
 891 0x4,0x20,0x22,
 892 0x4,0x31,0x20,
 893 0x4,0x21,0x30,
 894 0x4,0x22,0x02,
 895 0x4,0x22,0x22,
 896 0x4,0x20,0x31,
 897 0x4,0x13,0x02,
 898 0x4,0x03,0x10,
 899 0x4,0x11,0x12,
 900 0x4,0x00,0x13,
 901 0x4,0x21,0x01,
 902 0x4,0x12,0x03,
 903 0x4,0x13,0x00,
 904 0x4,0x13,0x10,
 905 0x4,0x02,0x13,
 906 0x4,0x30,0x01,
 907 0x4,0x12,0x10,
 908 0x4,0x22,0x13,
 909 0x4,0x03,0x12,
 910 0x4,0x31,0x01,
 911 0x4,0x30,0x22,
 912 0x4,0x00,0x31,
 913 0x4,0x01,0x31,
 914 0x4,0x02,0x23,
 915 0x4,0x01,0x30,
 916 0x4,0x11,0x21,
 917 0x4,0x22,0x21,
 918 0x4,0x01,0x13,
 919 0x4,0x10,0x03,
 920 0x4,0x22,0x03,
 921 0x4,0x30,0x21,
 922 0x4,0x21,0x31,
 923 0x4,0x33,0x00,
 924 0x4,0x13,0x12,
 925 0x4,0x11,0x31,
 926 0x4,0x30,0x02,
 927 0x4,0x12,0x02,
 928 0x4,0x11,0x13,
 929 0x4,0x12,0x22,
 930 0x4,0x20,0x32,
 931 0x4,0x10,0x13,
 932 0x4,0x22,0x31,
 933 0x4,0x21,0x20,
 934 0x4,0x01,0x33,
 935 0x4,0x33,0x10,
 936 0x4,0x20,0x13,
 937 0x4,0x31,0x22,
 938 0x4,0x13,0x30,
 939 0x4,0x01,0x03,
 940 0x4,0x11,0x33,
 941 0x4,0x20,0x21,
 942 0x4,0x13,0x31,
 943 0x4,0x03,0x22,
 944 0x4,0x31,0x02,
 945 0x4,0x00,0x24,
 946 0x2,0x00,
 947 0x2,0x10,
 948 0x2,0x20,
 949 0x2,0x30,
 950 0x2,0x40,
 951 0x2,0x50,
 952 0x2,0x60,
 953 0x2,0x01,
 954 0x2,0x11,
 955 0x2,0x21,
 956 0x2,0x31,
 957 0x2,0x41,
 958 0x2,0x51,
 959 0x2,0x61,
 960 0x2,0x02,
 961 0x2,0x12,
 962 0x2,0x22,
 963 0x2,0x32,
 964 0x2,0x42,
 965 0x2,0x52,
 966 0x2,0x62,
 967 0x2,0x03,
 968 0x2,0x13,
 969 0x2,0x23,
 970 0x2,0x33,
 971 0x2,0x43,
 972 0x2,0x53,
 973 0x2,0x63,
 974 0x2,0x04,
 975 0x2,0x14,
 976 0x2,0x24,
 977 0x2,0x34,
 978 0x2,0x44,
 979 0x2,0x54,
 980 0x2,0x64,
 981 0x2,0x05,
 982 0x2,0x15,
 983 0x2,0x25,
 984 0x2,0x35,
 985 0x2,0x45,
 986 0x2,0x55,
 987 0x2,0x65,
 988 0x2,0x06,
 989 0x2,0x16,
 990 0x2,0x26,
 991 0x2,0x36,
 992 0x2,0x46,
 993 0x2,0x56,
 994 0x2,0x66
 995 ];
 996
 997 const DUCK_VECTBL3: &[u8] = &[
 998 0x6,0x00,0x00,0x00,
 999 0x6,0x00,0x00,0x00,
1000 0x6,0x00,0x00,0x01,
1001 0x6,0x00,0x00,0x10,
1002 0x6,0x00,0x00,0x11,
1003 0x6,0x00,0x01,0x00,
1004 0x6,0x00,0x01,0x01,
1005 0x6,0x00,0x01,0x10,
1006 0x6,0x00,0x01,0x11,
1007 0x6,0x00,0x10,0x00,
1008 0x6,0x00,0x10,0x01,
1009 0x6,0x00,0x10,0x10,
1010 0x6,0x00,0x10,0x11,
1011 0x6,0x00,0x11,0x00,
1012 0x6,0x00,0x11,0x01,
1013 0x6,0x00,0x11,0x10,
1014 0x6,0x00,0x11,0x11,
1015 0x6,0x01,0x00,0x00,
1016 0x6,0x01,0x00,0x01,
1017 0x6,0x01,0x00,0x10,
1018 0x6,0x01,0x00,0x11,
1019 0x6,0x01,0x01,0x00,
1020 0x6,0x01,0x01,0x01,
1021 0x6,0x01,0x01,0x10,
1022 0x6,0x01,0x01,0x11,
1023 0x6,0x01,0x10,0x00,
1024 0x6,0x01,0x10,0x01,
1025 0x6,0x01,0x10,0x10,
1026 0x6,0x01,0x10,0x11,
1027 0x6,0x01,0x11,0x00,
1028 0x6,0x01,0x11,0x01,
1029 0x6,0x01,0x11,0x10,
1030 0x6,0x01,0x11,0x11,
1031 0x6,0x10,0x00,0x00,
1032 0x6,0x10,0x00,0x01,
1033 0x6,0x10,0x00,0x10,
1034 0x6,0x10,0x00,0x11,
1035 0x6,0x10,0x01,0x00,
1036 0x6,0x10,0x01,0x01,
1037 0x6,0x10,0x01,0x10,
1038 0x6,0x10,0x01,0x11,
1039 0x6,0x10,0x10,0x00,
1040 0x6,0x10,0x10,0x01,
1041 0x6,0x10,0x10,0x10,
1042 0x6,0x10,0x10,0x11,
1043 0x6,0x10,0x11,0x00,
1044 0x6,0x10,0x11,0x01,
1045 0x6,0x10,0x11,0x10,
1046 0x6,0x10,0x11,0x11,
1047 0x6,0x11,0x00,0x00,
1048 0x6,0x11,0x00,0x01,
1049 0x6,0x11,0x00,0x10,
1050 0x6,0x11,0x00,0x11,
1051 0x6,0x11,0x01,0x00,
1052 0x6,0x11,0x01,0x01,
1053 0x6,0x11,0x01,0x10,
1054 0x6,0x11,0x01,0x11,
1055 0x6,0x11,0x10,0x00,
1056 0x6,0x11,0x10,0x01,
1057 0x6,0x11,0x10,0x10,
1058 0x6,0x11,0x10,0x11,
1059 0x6,0x11,0x11,0x00,
1060 0x6,0x11,0x11,0x01,
1061 0x6,0x11,0x11,0x10,
1062 0x4,0x00,0x00,
1063 0x4,0x00,0x01,
1064 0x4,0x00,0x02,
1065 0x4,0x00,0x03,
1066 0x4,0x00,0x10,
1067 0x4,0x00,0x11,
1068 0x4,0x00,0x12,
1069 0x4,0x00,0x13,
1070 0x4,0x00,0x20,
1071 0x4,0x00,0x21,
1072 0x4,0x00,0x22,
1073 0x4,0x00,0x23,
1074 0x4,0x00,0x30,
1075 0x4,0x00,0x31,
1076 0x4,0x00,0x32,
1077 0x4,0x00,0x33,
1078 0x4,0x01,0x00,
1079 0x4,0x01,0x01,
1080 0x4,0x01,0x02,
1081 0x4,0x01,0x03,
1082 0x4,0x01,0x10,
1083 0x4,0x01,0x11,
1084 0x4,0x01,0x12,
1085 0x4,0x01,0x13,
1086 0x4,0x01,0x20,
1087 0x4,0x01,0x21,
1088 0x4,0x01,0x22,
1089 0x4,0x01,0x23,
1090 0x4,0x01,0x30,
1091 0x4,0x01,0x31,
1092 0x4,0x01,0x32,
1093 0x4,0x01,0x33,
1094 0x4,0x02,0x00,
1095 0x4,0x02,0x01,
1096 0x4,0x02,0x02,
1097 0x4,0x02,0x03,
1098 0x4,0x02,0x10,
1099 0x4,0x02,0x11,
1100 0x4,0x02,0x12,
1101 0x4,0x02,0x13,
1102 0x4,0x02,0x20,
1103 0x4,0x02,0x21,
1104 0x4,0x02,0x22,
1105 0x4,0x02,0x23,
1106 0x4,0x02,0x30,
1107 0x4,0x02,0x31,
1108 0x4,0x02,0x32,
1109 0x4,0x02,0x33,
1110 0x4,0x03,0x00,
1111 0x4,0x03,0x01,
1112 0x4,0x03,0x02,
1113 0x4,0x03,0x03,
1114 0x4,0x03,0x10,
1115 0x4,0x03,0x11,
1116 0x4,0x03,0x12,
1117 0x4,0x03,0x13,
1118 0x4,0x03,0x20,
1119 0x4,0x03,0x21,
1120 0x4,0x03,0x22,
1121 0x4,0x03,0x23,
1122 0x4,0x03,0x30,
1123 0x4,0x03,0x31,
1124 0x4,0x03,0x32,
1125 0x4,0x03,0x33,
1126 0x4,0x10,0x00,
1127 0x4,0x10,0x01,
1128 0x4,0x10,0x02,
1129 0x4,0x10,0x03,
1130 0x4,0x10,0x10,
1131 0x4,0x10,0x11,
1132 0x4,0x10,0x12,
1133 0x4,0x10,0x13,
1134 0x4,0x10,0x20,
1135 0x4,0x10,0x21,
1136 0x4,0x10,0x22,
1137 0x4,0x10,0x23,
1138 0x4,0x10,0x30,
1139 0x4,0x10,0x31,
1140 0x4,0x10,0x32,
1141 0x4,0x10,0x33,
1142 0x4,0x11,0x00,
1143 0x4,0x11,0x01,
1144 0x4,0x11,0x02,
1145 0x4,0x11,0x03,
1146 0x4,0x11,0x10,
1147 0x4,0x11,0x11,
1148 0x4,0x11,0x12,
1149 0x4,0x11,0x13,
1150 0x4,0x11,0x20,
1151 0x4,0x11,0x21,
1152 0x4,0x11,0x22,
1153 0x4,0x11,0x23,
1154 0x4,0x11,0x30,
1155 0x4,0x11,0x31,
1156 0x4,0x11,0x32,
1157 0x4,0x11,0x33,
1158 0x4,0x12,0x00,
1159 0x4,0x12,0x01,
1160 0x4,0x12,0x02,
1161 0x4,0x12,0x03,
1162 0x4,0x12,0x10,
1163 0x4,0x12,0x11,
1164 0x4,0x12,0x12,
1165 0x4,0x12,0x13,
1166 0x4,0x12,0x20,
1167 0x4,0x12,0x21,
1168 0x4,0x12,0x22,
1169 0x4,0x12,0x23,
1170 0x4,0x12,0x30,
1171 0x4,0x12,0x31,
1172 0x4,0x12,0x32,
1173 0x4,0x12,0x33,
1174 0x4,0x13,0x00,
1175 0x4,0x13,0x01,
1176 0x4,0x13,0x02,
1177 0x4,0x13,0x03,
1178 0x4,0x13,0x10,
1179 0x4,0x13,0x11,
1180 0x4,0x13,0x12,
1181 0x4,0x13,0x13,
1182 0x4,0x13,0x20,
1183 0x4,0x13,0x21,
1184 0x4,0x13,0x22,
1185 0x4,0x13,0x23,
1186 0x4,0x13,0x30,
1187 0x4,0x13,0x31,
1188 0x4,0x13,0x32,
1189 0x4,0x13,0x33,
1190 0x2,0x00,
1191 0x2,0x10,
1192 0x2,0x20,
1193 0x2,0x30,
1194 0x2,0x40,
1195 0x2,0x50,
1196 0x2,0x60,
1197 0x2,0x70,
1198 0x2,0x01,
1199 0x2,0x11,
1200 0x2,0x21,
1201 0x2,0x31,
1202 0x2,0x41,
1203 0x2,0x51,
1204 0x2,0x61,
1205 0x2,0x71,
1206 0x2,0x02,
1207 0x2,0x12,
1208 0x2,0x22,
1209 0x2,0x32,
1210 0x2,0x42,
1211 0x2,0x52,
1212 0x2,0x62,
1213 0x2,0x72,
1214 0x2,0x03,
1215 0x2,0x13,
1216 0x2,0x23,
1217 0x2,0x33,
1218 0x2,0x43,
1219 0x2,0x53,
1220 0x2,0x63,
1221 0x2,0x73,
1222 0x2,0x04,
1223 0x2,0x14,
1224 0x2,0x24,
1225 0x2,0x34,
1226 0x2,0x44,
1227 0x2,0x54,
1228 0x2,0x64,
1229 0x2,0x74,
1230 0x2,0x05,
1231 0x2,0x15,
1232 0x2,0x25,
1233 0x2,0x35,
1234 0x2,0x45,
1235 0x2,0x55,
1236 0x2,0x65,
1237 0x2,0x75,
1238 0x2,0x06,
1239 0x2,0x16,
1240 0x2,0x26,
1241 0x2,0x36,
1242 0x2,0x46,
1243 0x2,0x56,
1244 0x2,0x66,
1245 0x2,0x76,
1246 0x2,0x07,
1247 0x2,0x17,
1248 0x2,0x27,
1249 0x2,0x37,
1250 0x2,0x47,
1251 0x2,0x57,
1252 0x2,0x67,
1253 0x2,0x77
1254 ];
1255
1256 const DUCK_VECTBL4: &[u8] = &[
1257 0x8,0x00,0x00,0x00,0x00,
1258 0x8,0x00,0x00,0x00,0x00,
1259 0x8,0x20,0x00,0x00,0x00,
1260 0x8,0x00,0x00,0x00,0x01,
1261 0x8,0x10,0x00,0x00,0x00,
1262 0x8,0x00,0x00,0x00,0x02,
1263 0x8,0x01,0x00,0x00,0x00,
1264 0x8,0x00,0x00,0x00,0x10,
1265 0x8,0x02,0x00,0x00,0x00,
1266 0x6,0x00,0x00,0x00,
1267 0x6,0x20,0x00,0x00,
1268 0x6,0x00,0x00,0x01,
1269 0x6,0x10,0x00,0x00,
1270 0x6,0x00,0x00,0x02,
1271 0x6,0x00,0x10,0x00,
1272 0x6,0x00,0x20,0x00,
1273 0x6,0x00,0x02,0x00,
1274 0x6,0x00,0x01,0x00,
1275 0x6,0x01,0x00,0x00,
1276 0x6,0x00,0x00,0x20,
1277 0x6,0x02,0x00,0x00,
1278 0x6,0x00,0x00,0x10,
1279 0x6,0x10,0x00,0x20,
1280 0x6,0x01,0x00,0x02,
1281 0x6,0x20,0x00,0x10,
1282 0x6,0x02,0x00,0x01,
1283 0x6,0x20,0x10,0x00,
1284 0x6,0x00,0x12,0x00,
1285 0x6,0x00,0x02,0x01,
1286 0x6,0x02,0x01,0x00,
1287 0x6,0x00,0x21,0x00,
1288 0x6,0x00,0x01,0x02,
1289 0x6,0x00,0x20,0x10,
1290 0x6,0x00,0x00,0x21,
1291 0x6,0x00,0x00,0x12,
1292 0x6,0x00,0x01,0x20,
1293 0x6,0x12,0x00,0x00,
1294 0x6,0x00,0x10,0x20,
1295 0x6,0x01,0x20,0x00,
1296 0x6,0x02,0x10,0x00,
1297 0x6,0x10,0x20,0x00,
1298 0x6,0x01,0x02,0x00,
1299 0x6,0x21,0x00,0x00,
1300 0x6,0x00,0x02,0x10,
1301 0x6,0x20,0x01,0x00,
1302 0x6,0x00,0x22,0x00,
1303 0x6,0x10,0x02,0x00,
1304 0x6,0x00,0x10,0x02,
1305 0x6,0x11,0x00,0x00,
1306 0x6,0x00,0x11,0x00,
1307 0x6,0x22,0x00,0x00,
1308 0x6,0x20,0x00,0x02,
1309 0x6,0x10,0x00,0x01,
1310 0x6,0x00,0x20,0x01,
1311 0x6,0x02,0x20,0x00,
1312 0x6,0x01,0x10,0x00,
1313 0x6,0x01,0x00,0x20,
1314 0x6,0x00,0x20,0x02,
1315 0x6,0x01,0x20,0x02,
1316 0x6,0x10,0x01,0x00,
1317 0x6,0x02,0x00,0x10,
1318 0x6,0x00,0x10,0x01,
1319 0x6,0x10,0x01,0x20,
1320 0x6,0x20,0x02,0x10,
1321 0x6,0x00,0x00,0x22,
1322 0x6,0x10,0x00,0x02,
1323 0x6,0x00,0x02,0x20,
1324 0x6,0x20,0x02,0x00,
1325 0x6,0x00,0x00,0x11,
1326 0x6,0x02,0x10,0x01,
1327 0x6,0x00,0x01,0x10,
1328 0x6,0x00,0x02,0x11,
1329 0x4,0x01,0x02,
1330 0x4,0x02,0x01,
1331 0x4,0x01,0x00,
1332 0x4,0x10,0x20,
1333 0x4,0x20,0x10,
1334 0x4,0x20,0x00,
1335 0x4,0x11,0x00,
1336 0x4,0x02,0x00,
1337 0x4,0x12,0x00,
1338 0x4,0x00,0x21,
1339 0x4,0x22,0x00,
1340 0x4,0x00,0x12,
1341 0x4,0x21,0x00,
1342 0x4,0x02,0x11,
1343 0x4,0x00,0x01,
1344 0x4,0x10,0x02,
1345 0x4,0x02,0x20,
1346 0x4,0x20,0x11,
1347 0x4,0x01,0x10,
1348 0x4,0x21,0x10,
1349 0x4,0x10,0x00,
1350 0x4,0x10,0x22,
1351 0x4,0x20,0x20,
1352 0x4,0x00,0x22,
1353 0x4,0x01,0x22,
1354 0x4,0x20,0x01,
1355 0x4,0x02,0x02,
1356 0x4,0x00,0x20,
1357 0x4,0x00,0x10,
1358 0x4,0x00,0x11,
1359 0x4,0x22,0x01,
1360 0x4,0x11,0x20,
1361 0x4,0x12,0x01,
1362 0x4,0x12,0x20,
1363 0x4,0x11,0x02,
1364 0x4,0x10,0x10,
1365 0x4,0x01,0x01,
1366 0x4,0x02,0x21,
1367 0x4,0x20,0x12,
1368 0x4,0x01,0x12,
1369 0x4,0x22,0x11,
1370 0x4,0x21,0x12,
1371 0x4,0x22,0x10,
1372 0x4,0x21,0x02,
1373 0x4,0x20,0x02,
1374 0x4,0x10,0x01,
1375 0x4,0x00,0x02,
1376 0x4,0x10,0x21,
1377 0x4,0x01,0x20,
1378 0x4,0x11,0x22,
1379 0x4,0x12,0x21,
1380 0x4,0x22,0x20,
1381 0x4,0x02,0x10,
1382 0x4,0x02,0x22,
1383 0x4,0x11,0x10,
1384 0x4,0x22,0x02,
1385 0x4,0x20,0x21,
1386 0x4,0x01,0x11,
1387 0x4,0x11,0x01,
1388 0x4,0x10,0x12,
1389 0x4,0x02,0x12,
1390 0x4,0x20,0x22,
1391 0x4,0x21,0x20,
1392 0x4,0x01,0x21,
1393 0x4,0x12,0x02,
1394 0x4,0x21,0x11,
1395 0x4,0x12,0x22,
1396 0x4,0x12,0x10,
1397 0x4,0x22,0x21,
1398 0x4,0x10,0x11,
1399 0x4,0x21,0x01,
1400 0x4,0x11,0x12,
1401 0x4,0x12,0x11,
1402 0x4,0x66,0x66,
1403 0x4,0x22,0x22,
1404 0x4,0x11,0x21,
1405 0x4,0x11,0x11,
1406 0x4,0x21,0x22,
1407 0x4,0x00,0x00,
1408 0x4,0x22,0x12,
1409 0x4,0x12,0x12,
1410 0x4,0x21,0x21,
1411 0x4,0x42,0x00,
1412 0x4,0x00,0x04,
1413 0x4,0x40,0x00,
1414 0x4,0x30,0x00,
1415 0x4,0x31,0x00,
1416 0x4,0x00,0x03,
1417 0x4,0x00,0x14,
1418 0x4,0x00,0x13,
1419 0x4,0x01,0x24,
1420 0x4,0x20,0x13,
1421 0x4,0x01,0x42,
1422 0x4,0x14,0x20,
1423 0x4,0x42,0x02,
1424 0x4,0x13,0x00,
1425 0x4,0x00,0x24,
1426 0x4,0x31,0x20,
1427 0x4,0x22,0x13,
1428 0x4,0x11,0x24,
1429 0x4,0x12,0x66,
1430 0x4,0x30,0x01,
1431 0x4,0x02,0x13,
1432 0x4,0x12,0x42,
1433 0x4,0x40,0x10,
1434 0x4,0x40,0x02,
1435 0x4,0x01,0x04,
1436 0x4,0x24,0x00,
1437 0x4,0x42,0x10,
1438 0x4,0x21,0x13,
1439 0x4,0x13,0x12,
1440 0x4,0x31,0x21,
1441 0x4,0x21,0x24,
1442 0x4,0x00,0x40,
1443 0x4,0x10,0x24,
1444 0x4,0x10,0x42,
1445 0x4,0x32,0x01,
1446 0x4,0x11,0x42,
1447 0x4,0x20,0x31,
1448 0x4,0x12,0x40,
1449 0x2,0x00,
1450 0x2,0x10,
1451 0x2,0x20,
1452 0x2,0x30,
1453 0x2,0x40,
1454 0x2,0x50,
1455 0x2,0x60,
1456 0x2,0x70,
1457 0x2,0x01,
1458 0x2,0x11,
1459 0x2,0x21,
1460 0x2,0x31,
1461 0x2,0x41,
1462 0x2,0x51,
1463 0x2,0x61,
1464 0x2,0x71,
1465 0x2,0x02,
1466 0x2,0x12,
1467 0x2,0x22,
1468 0x2,0x32,
1469 0x2,0x42,
1470 0x2,0x52,
1471 0x2,0x62,
1472 0x2,0x72,
1473 0x2,0x03,
1474 0x2,0x13,
1475 0x2,0x23,
1476 0x2,0x33,
1477 0x2,0x43,
1478 0x2,0x53,
1479 0x2,0x63,
1480 0x2,0x73,
1481 0x2,0x04,
1482 0x2,0x14,
1483 0x2,0x24,
1484 0x2,0x34,
1485 0x2,0x44,
1486 0x2,0x54,
1487 0x2,0x64,
1488 0x2,0x74,
1489 0x2,0x05,
1490 0x2,0x15,
1491 0x2,0x25,
1492 0x2,0x35,
1493 0x2,0x45,
1494 0x2,0x55,
1495 0x2,0x65,
1496 0x2,0x75,
1497 0x2,0x06,
1498 0x2,0x16,
1499 0x2,0x26,
1500 0x2,0x36,
1501 0x2,0x46,
1502 0x2,0x56,
1503 0x2,0x66,
1504 0x2,0x76,
1505 0x2,0x07,
1506 0x2,0x17,
1507 0x2,0x27,
1508 0x2,0x37,
1509 0x2,0x47,
1510 0x2,0x57,
1511 0x2,0x67,
1512 0x2,0x77
1513 ];
1514
1515 const DUCK_VECTABLES: [&[u8]; 3] = [ DUCK_VECTBL2, DUCK_VECTBL3, DUCK_VECTBL4 ];