| 1 | use nihav_core::formats; |
| 2 | use nihav_core::codecs::*; |
| 3 | use nihav_core::io::byteio::*; |
| 4 | use std::io::SeekFrom; |
| 5 | use super::indeo3data::*; |
| 6 | |
| 7 | const DEFAULT_PIXEL: u8 = 0x40; |
| 8 | const STRIP_WIDTH: u8 = 160; |
| 9 | const FRMH_TAG: u32 = ((b'F' as u32) << 24) | ((b'R' as u32) << 16) |
| 10 | | ((b'M' as u32) << 8) | (b'H' as u32); |
| 11 | |
| 12 | const FLAG_8BIT: u16 = 1 << 1; |
| 13 | const FLAG_KEYFRAME: u16 = 1 << 2; |
| 14 | const FLAG_BUFSEL: u16 = 1 << 9; |
| 15 | |
| 16 | const MAX_DEPTH: u8 = 20; |
| 17 | |
| 18 | const H_SPLIT: u8 = 0; |
| 19 | const V_SPLIT: u8 = 1; |
| 20 | const ABS_FILL: u8 = 2; |
| 21 | const REL_FILL: u8 = 3; |
| 22 | const VQ_NULL: u8 = 2; |
| 23 | const VQ_DATA: u8 = 3; |
| 24 | |
| 25 | type RequantTab = [[u8; 128]; 8]; |
| 26 | |
| 27 | trait AddDelta { |
| 28 | fn add_delta(&mut self, delta: i8) -> DecoderResult<()>; |
| 29 | } |
| 30 | |
| 31 | impl AddDelta for u8 { |
| 32 | fn add_delta(&mut self, delta: i8) -> DecoderResult<()> { |
| 33 | *self = self.wrapping_add(delta as u8); |
| 34 | validate!((*self & 0x80) == 0); |
| 35 | Ok(()) |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | #[derive(Clone, Copy)] |
| 40 | struct MV { |
| 41 | x: i8, |
| 42 | y: i8 |
| 43 | } |
| 44 | |
| 45 | struct Header { |
| 46 | vq_offset: u8, |
| 47 | alt_quant: [u8; 16], |
| 48 | mvs: [MV; 256], |
| 49 | num_mvs: usize, |
| 50 | data_start: [u64; 3], |
| 51 | data_end: [u64; 3], |
| 52 | is_intra: bool, |
| 53 | } |
| 54 | |
| 55 | impl Header { |
| 56 | fn new() -> Self { |
| 57 | Self { |
| 58 | vq_offset: 0, |
| 59 | alt_quant: [0; 16], |
| 60 | mvs: [MV { x: 0, y: 0 }; 256], |
| 61 | num_mvs: 0, |
| 62 | data_start: [0; 3], |
| 63 | data_end: [0; 3], |
| 64 | is_intra: false, |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | struct DataReader<'a, 'b> { |
| 70 | br: &'a mut ByteReader<'b>, |
| 71 | bpos: u8, |
| 72 | bitbuf: u8, |
| 73 | } |
| 74 | |
| 75 | impl<'a, 'b> DataReader<'a, 'b> { |
| 76 | fn new(br: &'a mut ByteReader<'b>) -> Self { |
| 77 | Self { |
| 78 | br, |
| 79 | bpos: 0, |
| 80 | bitbuf: 0, |
| 81 | } |
| 82 | } |
| 83 | fn read_2bits(&mut self) -> DecoderResult<u8> { |
| 84 | if self.bpos == 0 { |
| 85 | self.bitbuf = self.br.read_byte()?; |
| 86 | self.bpos = 8; |
| 87 | } |
| 88 | self.bpos -= 2; |
| 89 | let bits = (self.bitbuf >> self.bpos) & 3; |
| 90 | Ok(bits) |
| 91 | } |
| 92 | fn read_byte(&mut self) -> DecoderResult<u8> { |
| 93 | Ok(self.br.read_byte()?) |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | #[derive(Debug, PartialEq)] |
| 98 | enum Corrector { |
| 99 | Zero, |
| 100 | Skip, |
| 101 | Quad([i8; 4]), |
| 102 | Fill(u8), |
| 103 | ZeroBlock, |
| 104 | SkipBlock, |
| 105 | } |
| 106 | |
| 107 | impl Corrector { |
| 108 | fn is_whole_block(&self) -> bool { matches!(*self, Corrector::Fill(_) | Corrector::ZeroBlock | Corrector::SkipBlock) } |
| 109 | } |
| 110 | |
| 111 | struct QuadDecoder<'a, 'b, 'c> { |
| 112 | br: &'a mut DataReader<'b, 'c>, |
| 113 | cb: [&'static IviDeltaCB; 4], |
| 114 | cb_idx: [usize; 4], |
| 115 | mode: u8, |
| 116 | |
| 117 | lines_run: u8, |
| 118 | block_run: u8, |
| 119 | skip_flag: bool, |
| 120 | next_lit: bool, |
| 121 | fill: Option<u8>, |
| 122 | } |
| 123 | |
| 124 | impl<'a, 'b, 'c> QuadDecoder<'a, 'b, 'c> { |
| 125 | fn new(br: &'a mut DataReader<'b, 'c>, mode: u8, cb_index: [usize; 2]) -> Self { |
| 126 | Self { |
| 127 | br, mode, |
| 128 | lines_run: 0, |
| 129 | block_run: 0, |
| 130 | skip_flag: false, |
| 131 | next_lit: false, |
| 132 | fill: None, |
| 133 | cb: [IVI3_DELTA_CBS[cb_index[0]], IVI3_DELTA_CBS[cb_index[1]], |
| 134 | IVI3_DELTA_CBS[cb_index[0]], IVI3_DELTA_CBS[cb_index[1]]], |
| 135 | cb_idx: [cb_index[0], cb_index[1], cb_index[0], cb_index[1]], |
| 136 | } |
| 137 | } |
| 138 | fn get_skip_corr(&self) -> Corrector { |
| 139 | if !self.skip_flag { |
| 140 | Corrector::Zero |
| 141 | } else { |
| 142 | Corrector::Skip |
| 143 | } |
| 144 | } |
| 145 | fn read(&mut self, line: u8) -> DecoderResult<Corrector> { |
| 146 | if let Some(fill) = self.fill { |
| 147 | self.fill = None; |
| 148 | return Ok(Corrector::Fill(fill)); |
| 149 | } |
| 150 | if self.lines_run > 0 { |
| 151 | self.lines_run -= 1; |
| 152 | return Ok(self.get_skip_corr()); |
| 153 | } |
| 154 | if self.block_run > 0 { |
| 155 | self.block_run -= 1; |
| 156 | let corr = if !self.skip_flag { |
| 157 | Corrector::ZeroBlock |
| 158 | } else { |
| 159 | Corrector::SkipBlock |
| 160 | }; |
| 161 | return Ok(corr); |
| 162 | } |
| 163 | let mut b = self.br.read_byte()?; |
| 164 | if self.next_lit { |
| 165 | self.next_lit = false; |
| 166 | if b >= 0xF8 { |
| 167 | b = (self.cb[usize::from(line)].data.len() / 2) as u8; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | match b { |
| 172 | 0..=0xF7 => { |
| 173 | let cb = self.cb[usize::from(line)]; |
| 174 | |
| 175 | let esc_val = (cb.data.len() / 2) as u8; |
| 176 | let (idx0, idx1) = if b < esc_val { |
| 177 | let idx2 = self.br.read_byte()?; |
| 178 | validate!(idx2 < esc_val); |
| 179 | (b, idx2) |
| 180 | } else if self.cb_idx[usize::from(line)] < 16 { |
| 181 | ((b - esc_val) % cb.quad_radix, (b - esc_val) / cb.quad_radix) |
| 182 | } else { |
| 183 | ((b - esc_val) / cb.quad_radix, (b - esc_val) % cb.quad_radix) |
| 184 | }; |
| 185 | let idx0 = usize::from(idx0); |
| 186 | let idx1 = usize::from(idx1); |
| 187 | Ok(Corrector::Quad([cb.data[idx1 * 2], cb.data[idx1 * 2 + 1], |
| 188 | cb.data[idx0 * 2], cb.data[idx0 * 2 + 1]])) |
| 189 | }, |
| 190 | 0xF8 => { |
| 191 | validate!(line == 0); |
| 192 | let fillval = self.br.read_byte()?; |
| 193 | if (fillval & 0x80) != 0 { |
| 194 | self.fill = Some(fillval & 0x7F); |
| 195 | } |
| 196 | Ok(Corrector::Fill(fillval & 0x7F)) |
| 197 | }, |
| 198 | 0xF9 => { |
| 199 | validate!(line == 0); |
| 200 | self.skip_flag = true; |
| 201 | self.block_run = 1; |
| 202 | Ok(Corrector::SkipBlock) |
| 203 | }, |
| 204 | 0xFA => { |
| 205 | validate!(self.mode != 3 && self.mode != 10); |
| 206 | Ok(Corrector::SkipBlock) |
| 207 | }, |
| 208 | 0xFB => { |
| 209 | let b = self.br.read_byte()?; |
| 210 | validate!((b & 0x1F) > 0); |
| 211 | validate!(b < 0x40); |
| 212 | self.skip_flag = (b & 0x20) != 0; |
| 213 | self.block_run = (b & 0x1F) - 1; |
| 214 | if line > 0 { |
| 215 | self.lines_run = 3 - line; |
| 216 | Ok(self.get_skip_corr()) |
| 217 | } else { |
| 218 | let corr = if !self.skip_flag { |
| 219 | Corrector::ZeroBlock |
| 220 | } else { |
| 221 | Corrector::SkipBlock |
| 222 | }; |
| 223 | Ok(corr) |
| 224 | } |
| 225 | }, |
| 226 | 0xFC => { |
| 227 | self.block_run = 1; |
| 228 | self.skip_flag = false; |
| 229 | if line > 0 { |
| 230 | self.lines_run = 3 - line; |
| 231 | Ok(Corrector::Zero) |
| 232 | } else { |
| 233 | Ok(Corrector::ZeroBlock) |
| 234 | } |
| 235 | }, |
| 236 | 0xFD => { |
| 237 | self.lines_run = 3 - line; |
| 238 | self.skip_flag = false; |
| 239 | Ok(Corrector::Zero) |
| 240 | }, |
| 241 | 0xFE => { |
| 242 | validate!(line < 2); |
| 243 | self.lines_run = 2 - line; |
| 244 | self.skip_flag = false; |
| 245 | Ok(Corrector::Zero) |
| 246 | }, |
| 247 | 0xFF => { |
| 248 | validate!(line == 0); |
| 249 | self.lines_run = 1; |
| 250 | self.skip_flag = false; |
| 251 | self.next_lit = true; |
| 252 | Ok(Corrector::Zero) |
| 253 | }, |
| 254 | } |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | #[derive(Clone, Copy)] |
| 259 | struct Indeo3Cell { |
| 260 | x: u8, |
| 261 | y: u8, |
| 262 | width: u8, |
| 263 | height: u8, |
| 264 | mv: Option<MV>, |
| 265 | depth: u8, |
| 266 | } |
| 267 | |
| 268 | impl Indeo3Cell { |
| 269 | fn new(width: usize, height: usize) -> Self { |
| 270 | Self { |
| 271 | x: 0, |
| 272 | y: 0, |
| 273 | width: (width / 4) as u8, |
| 274 | height: (height / 4) as u8, |
| 275 | mv: None, |
| 276 | depth: 0, |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | fn get_x(&self) -> usize { usize::from(self.x) * 4 } |
| 281 | fn get_y(&self) -> usize { usize::from(self.y) * 4 } |
| 282 | fn get_width(&self) -> usize { usize::from(self.width) * 4 } |
| 283 | fn get_height(&self) -> usize { usize::from(self.height) * 4 } |
| 284 | fn is_intra(&self) -> bool { self.mv.is_none() } |
| 285 | |
| 286 | fn split_h(&self) -> (Self, Self) { |
| 287 | let h1 = if self.height > 2 { ((self.height + 2) >> 2) << 1 } else { 1 }; |
| 288 | let h2 = self.height - h1; |
| 289 | let mut cell1 = *self; |
| 290 | cell1.height = h1; |
| 291 | cell1.depth += 1; |
| 292 | let mut cell2 = *self; |
| 293 | cell2.y += h1; |
| 294 | cell2.height = h2; |
| 295 | cell2.depth += 1; |
| 296 | (cell1, cell2) |
| 297 | } |
| 298 | fn split_v(&self, stripw: u8) -> (Self, Self) { |
| 299 | let w1 = if self.width > stripw { |
| 300 | if self.width > stripw * 2 { stripw * 2 } else { stripw } |
| 301 | } else { |
| 302 | if self.width > 2 { ((self.width + 2) >> 2) << 1 } else { 1 } |
| 303 | }; |
| 304 | let w2 = self.width - w1; |
| 305 | let mut cell1 = *self; |
| 306 | cell1.width = w1; |
| 307 | cell1.depth += 1; |
| 308 | let mut cell2 = *self; |
| 309 | cell2.x += w1; |
| 310 | cell2.width = w2; |
| 311 | cell2.depth += 1; |
| 312 | (cell1, cell2) |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | impl std::fmt::Display for Indeo3Cell { |
| 317 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { |
| 318 | let spec = if let Some(mv) = self.mv { |
| 319 | format!("mv {},{}", mv.x, mv.y) |
| 320 | } else { |
| 321 | "intra".to_owned() |
| 322 | }; |
| 323 | write!(f, "[{}x{} @ {},{} {}]", self.get_width(), self.get_height(), self.get_x(), self.get_y(), spec) |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | #[derive(Default)] |
| 328 | struct Plane { |
| 329 | width: usize, |
| 330 | height: usize, |
| 331 | data: Vec<u8>, |
| 332 | stripw: u8, |
| 333 | } |
| 334 | |
| 335 | impl Plane { |
| 336 | fn new(stripw: u8) -> Self { |
| 337 | Self { |
| 338 | stripw: stripw / 4, |
| 339 | ..Default::default() |
| 340 | } |
| 341 | } |
| 342 | fn alloc(&mut self, width: usize, height: usize) { |
| 343 | self.width = width; |
| 344 | self.height = height; |
| 345 | self.data.resize(width * (height + 1), 0); |
| 346 | for el in self.data[..width].iter_mut() { |
| 347 | *el = DEFAULT_PIXEL; |
| 348 | } |
| 349 | } |
| 350 | fn reset(&mut self) { |
| 351 | for el in self.data[self.width..].iter_mut() { |
| 352 | *el = 0; |
| 353 | } |
| 354 | } |
| 355 | fn output_plane(&self, dst: &mut [u8], stride: usize, is_8bit: bool) { |
| 356 | for (dline, sline) in dst.chunks_mut(stride).zip(self.data.chunks(self.width).skip(1)) { |
| 357 | if !is_8bit { |
| 358 | for (dst, &src) in dline.iter_mut().zip(sline.iter()) { |
| 359 | *dst = src << 1; |
| 360 | } |
| 361 | } else { |
| 362 | let size = dline.len(); |
| 363 | dline.copy_from_slice(&sline[..size]); |
| 364 | } |
| 365 | } |
| 366 | } |
| 367 | fn checksum(&self) -> u16 { |
| 368 | let mut checksum = [0; 2]; |
| 369 | for pair in self.data.chunks(2) { |
| 370 | checksum[0] ^= pair[0]; |
| 371 | checksum[1] ^= pair[1]; |
| 372 | } |
| 373 | read_u16le(&checksum).unwrap_or(0) |
| 374 | } |
| 375 | fn decode_data(&mut self, br: &mut DataReader, ref_plane: &mut Self, header: &Header, requant_tab: &RequantTab) -> DecoderResult<()> { |
| 376 | let cell = Indeo3Cell::new(self.width, self.height); |
| 377 | self.decode_mv_tree(br, ref_plane, cell, header, requant_tab)?; |
| 378 | Ok(()) |
| 379 | } |
| 380 | fn decode_mv_tree(&mut self, br: &mut DataReader, ref_plane: &mut Self, cell: Indeo3Cell, header: &Header, requant_tab: &RequantTab) -> DecoderResult<()> { |
| 381 | validate!(cell.depth < MAX_DEPTH); |
| 382 | match br.read_2bits()? { |
| 383 | H_SPLIT => { |
| 384 | let (cell1, cell2) = cell.split_h(); |
| 385 | self.decode_mv_tree(br, ref_plane, cell1, header, requant_tab)?; |
| 386 | self.decode_mv_tree(br, ref_plane, cell2, header, requant_tab)?; |
| 387 | }, |
| 388 | V_SPLIT => { |
| 389 | let (cell1, cell2) = cell.split_v(self.stripw); |
| 390 | self.decode_mv_tree(br, ref_plane, cell1, header, requant_tab)?; |
| 391 | self.decode_mv_tree(br, ref_plane, cell2, header, requant_tab)?; |
| 392 | }, |
| 393 | ABS_FILL => { |
| 394 | self.decode_vq_tree(br, ref_plane, cell, header, requant_tab)?; |
| 395 | }, |
| 396 | REL_FILL => { |
| 397 | validate!(!header.is_intra); |
| 398 | let mv_idx = usize::from(br.read_byte()?); |
| 399 | validate!(mv_idx < header.num_mvs); |
| 400 | let mut sec_cell = cell; |
| 401 | sec_cell.mv = Some(header.mvs[mv_idx]); |
| 402 | self.decode_vq_tree(br, ref_plane, sec_cell, header, requant_tab)?; |
| 403 | }, |
| 404 | _ => unreachable!(), |
| 405 | } |
| 406 | Ok(()) |
| 407 | } |
| 408 | fn decode_vq_tree(&mut self, br: &mut DataReader, ref_plane: &mut Self, cell: Indeo3Cell, header: &Header, requant_tab: &RequantTab) -> DecoderResult<()> { |
| 409 | validate!(cell.depth < MAX_DEPTH); |
| 410 | match br.read_2bits()? { |
| 411 | H_SPLIT => { |
| 412 | let (cell1, cell2) = cell.split_h(); |
| 413 | self.decode_vq_tree(br, ref_plane, cell1, header, requant_tab)?; |
| 414 | self.decode_vq_tree(br, ref_plane, cell2, header, requant_tab)?; |
| 415 | }, |
| 416 | V_SPLIT => { |
| 417 | let (cell1, cell2) = cell.split_v(self.stripw); |
| 418 | self.decode_vq_tree(br, ref_plane, cell1, header, requant_tab)?; |
| 419 | self.decode_vq_tree(br, ref_plane, cell2, header, requant_tab)?; |
| 420 | }, |
| 421 | VQ_NULL => { |
| 422 | let code = br.read_2bits()?; |
| 423 | match code { |
| 424 | 0 => { |
| 425 | self.copy_cell(ref_plane, cell)?; |
| 426 | }, |
| 427 | 1 => return Err(DecoderError::NotImplemented), // skip cell |
| 428 | _ => return Err(DecoderError::InvalidData), |
| 429 | }; |
| 430 | }, |
| 431 | VQ_DATA => { |
| 432 | let code = br.read_byte()?; |
| 433 | let mode = code >> 4; |
| 434 | let vq_index = code & 0xF; |
| 435 | let cb_index = if matches!(mode, 1 | 4 | 12) { |
| 436 | let aq = header.alt_quant[usize::from(vq_index)]; |
| 437 | [aq & 0xF, aq >> 4] |
| 438 | } else { |
| 439 | [vq_index; 2] |
| 440 | }; |
| 441 | let cb_index = [usize::from(cb_index[0] + header.vq_offset), usize::from(cb_index[1] + header.vq_offset)]; |
| 442 | validate!(cb_index[0] < IVI3_DELTA_CBS.len()); |
| 443 | validate!(cb_index[1] < IVI3_DELTA_CBS.len()); |
| 444 | if cell.get_y() > 0 && matches!(mode, 0 | 3 | 10) && (8..=15).contains(&cb_index[0]) { |
| 445 | let src = if cell.is_intra() { |
| 446 | &mut self.data[cell.get_x() + cell.get_y() * self.width..] |
| 447 | } else { |
| 448 | &mut ref_plane.data[cell.get_x() + (cell.get_y() + 1) * ref_plane.width..] |
| 449 | }; |
| 450 | let cur_requant_tab = &requant_tab[cb_index[0] - 8]; |
| 451 | for el in src.iter_mut().take(cell.get_width()) { |
| 452 | *el = cur_requant_tab[usize::from(*el)]; |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | let qmode = if mode != 10 || cell.is_intra() { mode } else { 20 }; |
| 457 | let mut quad_decoder = QuadDecoder::new(br, qmode, cb_index); |
| 458 | if !cell.is_intra() { |
| 459 | self.copy_cell(ref_plane, cell)?; |
| 460 | } |
| 461 | match qmode { |
| 462 | 0 | 1 => { |
| 463 | self.process_cell_0_1(&mut quad_decoder, cell)?; |
| 464 | }, |
| 465 | 3 | 4 => { |
| 466 | validate!(cell.is_intra()); |
| 467 | validate!((cell.get_height() & 7) == 0); |
| 468 | self.process_cell_3_4(&mut quad_decoder, cell)?; |
| 469 | }, |
| 470 | 10 => { |
| 471 | validate!((cell.get_width() & 7) == 0); |
| 472 | validate!((cell.get_height() & 7) == 0); |
| 473 | self.process_cell_10_intra(&mut quad_decoder, cell)?; |
| 474 | }, |
| 475 | 20 => { |
| 476 | validate!((cell.get_width() & 7) == 0); |
| 477 | validate!((cell.get_height() & 7) == 0); |
| 478 | self.process_cell_10_inter(&mut quad_decoder, cell)?; |
| 479 | }, |
| 480 | 11 => { |
| 481 | validate!(!cell.is_intra()); |
| 482 | validate!((cell.get_height() & 7) == 0); |
| 483 | self.process_cell_11(&mut quad_decoder, cell)?; |
| 484 | }, |
| 485 | 2 | 12 => { return Err(DecoderError::NotImplemented)}, |
| 486 | _ => return Err(DecoderError::InvalidData), |
| 487 | }; |
| 488 | if matches!(qmode, 3 | 4 | 10) && cell.get_y() == 0 { |
| 489 | let line_pair = &mut self.data[cell.get_x() + (cell.get_y() + 1) * self.width..]; |
| 490 | let (line0, line1) = line_pair.split_at_mut(self.width); |
| 491 | line0[..cell.get_width()].copy_from_slice(&line1[..cell.get_width()]); |
| 492 | } |
| 493 | }, |
| 494 | _ => unreachable!(), |
| 495 | } |
| 496 | Ok(()) |
| 497 | } |
| 498 | fn process_cell_0_1(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
| 499 | let stride = self.width; |
| 500 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; |
| 501 | let cell_w = cell.get_width(); |
| 502 | for _y in (0..cell.get_height()).step_by(4) { |
| 503 | 'block0: |
| 504 | for x in (0..cell_w).step_by(4) { |
| 505 | let top = &self.data[offset - stride + x..]; |
| 506 | let mut top = [top[0], top[1], top[2], top[3]]; |
| 507 | for line in 0..4 { |
| 508 | let corr = qd.read(line as u8)?; |
| 509 | if !cell.is_intra() && !corr.is_whole_block() { |
| 510 | let src = &self.data[offset + line * stride + x..]; |
| 511 | top.copy_from_slice(&src[..4]); |
| 512 | } |
| 513 | match corr { |
| 514 | Corrector::SkipBlock => continue 'block0, |
| 515 | Corrector::Fill(fill) => { |
| 516 | for line in self.data[offset + x..].chunks_mut(stride).take(4) { |
| 517 | for el in line[..4].iter_mut() { |
| 518 | *el = fill; |
| 519 | } |
| 520 | } |
| 521 | }, |
| 522 | Corrector::ZeroBlock if cell.is_intra() => { |
| 523 | let (head, cur) = self.data.split_at_mut(offset + x); |
| 524 | let prev = &head[head.len() - stride..]; |
| 525 | for dline in cur.chunks_mut(stride).take(4) { |
| 526 | dline[..4].copy_from_slice(&prev[..4]); |
| 527 | } |
| 528 | continue 'block0; |
| 529 | }, |
| 530 | Corrector::ZeroBlock => continue 'block0, |
| 531 | Corrector::Quad(quad) => { |
| 532 | for (el, &corr) in top.iter_mut().zip(quad.iter()) { |
| 533 | el.add_delta(corr)?; |
| 534 | } |
| 535 | }, |
| 536 | Corrector::Zero => {}, |
| 537 | Corrector::Skip if cell.is_intra() => unimplemented!(), |
| 538 | Corrector::Skip => {}, |
| 539 | }; |
| 540 | let wback = match corr { |
| 541 | Corrector::Zero if cell.is_intra() => true, |
| 542 | Corrector::Quad(_) => true, |
| 543 | _ => false, |
| 544 | }; |
| 545 | if wback { |
| 546 | self.data[offset + x + line * stride..][..4].copy_from_slice(&top); |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | offset += self.width * 4; |
| 551 | } |
| 552 | Ok(()) |
| 553 | } |
| 554 | fn process_cell_3_4(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
| 555 | let stride = self.width; |
| 556 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; |
| 557 | let cell_w = cell.get_width(); |
| 558 | for _y in (0..cell.get_height()).step_by(8) { |
| 559 | 'block3: |
| 560 | for x in (0..cell_w).step_by(4) { |
| 561 | let top = &self.data[offset - stride + x..][..4]; |
| 562 | let mut top = [top[0], top[1], top[2], top[3]]; |
| 563 | for line in 0..4 { |
| 564 | let corr = qd.read(line as u8)?; |
| 565 | match corr { |
| 566 | Corrector::SkipBlock => continue 'block3, |
| 567 | Corrector::Fill(fill) => { |
| 568 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { |
| 569 | for el in line[..4].iter_mut() { |
| 570 | *el = fill; |
| 571 | } |
| 572 | } |
| 573 | }, |
| 574 | Corrector::ZeroBlock => { |
| 575 | for dline in self.data[offset + x..].chunks_mut(stride).take(8) { |
| 576 | dline[..4].copy_from_slice(&top); |
| 577 | } |
| 578 | continue 'block3; |
| 579 | }, |
| 580 | Corrector::Quad(quad) => { |
| 581 | for (el, &corr) in top.iter_mut().zip(quad.iter()) { |
| 582 | el.add_delta(corr)?; |
| 583 | } |
| 584 | }, |
| 585 | Corrector::Zero => {}, |
| 586 | Corrector::Skip => unimplemented!(), |
| 587 | }; |
| 588 | |
| 589 | if corr != Corrector::Skip { |
| 590 | let dst = &mut self.data[offset + x + (line * 2 + 1) * stride..][..4]; |
| 591 | dst.copy_from_slice(&top); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | let mut top_off = offset + x - stride; |
| 596 | for _line in 0..4 { |
| 597 | for pos in 0..4 { |
| 598 | self.data[top_off + stride + pos] = (self.data[top_off + pos] + self.data[top_off + stride * 2 + pos]) >> 1; |
| 599 | } |
| 600 | top_off += stride * 2; |
| 601 | } |
| 602 | } |
| 603 | offset += self.width * 8; |
| 604 | } |
| 605 | Ok(()) |
| 606 | } |
| 607 | fn process_cell_10_intra(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
| 608 | let stride = self.width; |
| 609 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; |
| 610 | let cell_w = cell.get_width(); |
| 611 | for _y in (0..cell.get_height()).step_by(8) { |
| 612 | 'block10i: |
| 613 | for x in (0..cell_w).step_by(8) { |
| 614 | let top = &self.data[offset - stride + x..][..8]; |
| 615 | let mut top = [top[0], top[2], top[4], top[6]]; |
| 616 | for line in 0..4 { |
| 617 | let corr = qd.read(line as u8)?; |
| 618 | match corr { |
| 619 | Corrector::SkipBlock => continue 'block10i, |
| 620 | Corrector::Fill(fill) => { |
| 621 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { |
| 622 | for el in line[..8].iter_mut() { |
| 623 | *el = fill; |
| 624 | } |
| 625 | } |
| 626 | }, |
| 627 | Corrector::ZeroBlock => { |
| 628 | let line_pair = &mut self.data[offset - stride + x..]; |
| 629 | let (top_line, dst_line) = line_pair.split_at_mut(stride); |
| 630 | for (i, (dst, &top_s)) in dst_line.iter_mut() |
| 631 | .zip(top_line.iter()).take(8).enumerate() { |
| 632 | *dst = (top_s + top[i >> 1]) >> 1; |
| 633 | } |
| 634 | for dline in self.data[offset + x..].chunks_mut(stride).take(8).skip(1) { |
| 635 | for (dst, &src) in dline.chunks_mut(2).zip(top.iter()) { |
| 636 | dst[0] = src; |
| 637 | dst[1] = src; |
| 638 | } |
| 639 | } |
| 640 | continue 'block10i; |
| 641 | }, |
| 642 | Corrector::Quad(quad) => { |
| 643 | for (el, &corr) in top.iter_mut().zip(quad.iter()) { |
| 644 | el.add_delta(corr)?; |
| 645 | } |
| 646 | }, |
| 647 | Corrector::Zero => {}, |
| 648 | Corrector::Skip => unimplemented!(), |
| 649 | }; |
| 650 | |
| 651 | if corr != Corrector::Skip { |
| 652 | for (dst, &prev) in self.data[offset + x + (line * 2 + 1) * stride..].chunks_mut(2).zip(top.iter()).take(4) { |
| 653 | dst[0] = prev; |
| 654 | dst[1] = prev; |
| 655 | } |
| 656 | } |
| 657 | } |
| 658 | |
| 659 | let mut top_off = offset + x - stride; |
| 660 | for _line in 0..4 { |
| 661 | for pos in 0..8 { |
| 662 | self.data[top_off + stride + pos] = (self.data[top_off + pos] + self.data[top_off + stride * 2 + pos]) >> 1; |
| 663 | } |
| 664 | top_off += stride * 2; |
| 665 | } |
| 666 | } |
| 667 | offset += self.width * 8; |
| 668 | } |
| 669 | Ok(()) |
| 670 | } |
| 671 | fn process_cell_10_inter(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
| 672 | let stride = self.width; |
| 673 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; |
| 674 | let cell_w = cell.get_width(); |
| 675 | for _y in (0..cell.get_height()).step_by(8) { |
| 676 | 'block10p: |
| 677 | for x in (0..cell_w).step_by(8) { |
| 678 | for line in 0..4 { |
| 679 | let corr = qd.read(line as u8)?; |
| 680 | match corr { |
| 681 | Corrector::SkipBlock | Corrector::ZeroBlock => continue 'block10p, |
| 682 | Corrector::Fill(fill) => { |
| 683 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { |
| 684 | for el in line[..8].iter_mut() { |
| 685 | *el = fill; |
| 686 | } |
| 687 | } |
| 688 | }, |
| 689 | Corrector::Quad(quad) => { |
| 690 | let strip = &mut self.data[offset + x + line * 2 * stride..]; |
| 691 | for (xoff, &corr) in quad.iter().enumerate() { |
| 692 | strip[xoff * 2].add_delta(corr)?; |
| 693 | strip[xoff * 2 + 1].add_delta(corr)?; |
| 694 | strip[xoff * 2 + stride].add_delta(corr)?; |
| 695 | strip[xoff * 2 + stride + 1].add_delta(corr)?; |
| 696 | } |
| 697 | }, |
| 698 | _ => {}, |
| 699 | }; |
| 700 | } |
| 701 | } |
| 702 | offset += self.width * 8; |
| 703 | } |
| 704 | Ok(()) |
| 705 | } |
| 706 | fn process_cell_11(&mut self, qd: &mut QuadDecoder, cell: Indeo3Cell) -> DecoderResult<()> { |
| 707 | let stride = self.width; |
| 708 | let mut offset = cell.get_x() + (cell.get_y() + 1) * stride; |
| 709 | let cell_w = cell.get_width(); |
| 710 | for _y in (0..cell.get_height()).step_by(8) { |
| 711 | 'block10p: |
| 712 | for x in (0..cell_w).step_by(4) { |
| 713 | for line in 0..4 { |
| 714 | let corr = qd.read(line as u8)?; |
| 715 | match corr { |
| 716 | Corrector::SkipBlock | Corrector::ZeroBlock => continue 'block10p, |
| 717 | Corrector::Fill(fill) => { |
| 718 | for line in self.data[offset + x..].chunks_mut(stride).take(8) { |
| 719 | for el in line[..4].iter_mut() { |
| 720 | *el = fill; |
| 721 | } |
| 722 | } |
| 723 | }, |
| 724 | Corrector::Quad(quad) => { |
| 725 | let strip = &mut self.data[offset + x + line * 2 * stride..]; |
| 726 | for (xoff, &corr) in quad.iter().enumerate() { |
| 727 | strip[xoff].add_delta(corr)?; |
| 728 | strip[xoff + stride].add_delta(corr)?; |
| 729 | } |
| 730 | }, |
| 731 | _ => {}, |
| 732 | }; |
| 733 | } |
| 734 | } |
| 735 | offset += self.width * 8; |
| 736 | } |
| 737 | Ok(()) |
| 738 | } |
| 739 | fn copy_cell(&mut self, ref_plane: &Self, cell: Indeo3Cell) -> DecoderResult<()> { |
| 740 | if let Some(mv) = cell.mv { |
| 741 | let xpos = (cell.get_x() as isize) + isize::from(mv.x); |
| 742 | validate!(xpos >= 0); |
| 743 | let xpos = xpos as usize; |
| 744 | validate!(xpos + cell.get_width() <= self.width); |
| 745 | let ypos = (cell.get_y() as isize) + isize::from(mv.y); |
| 746 | validate!(ypos >= 0); |
| 747 | let ypos = ypos as usize; |
| 748 | validate!(ypos + cell.get_height() <= self.height); |
| 749 | let src = &ref_plane.data[xpos + (ypos + 1) * ref_plane.width..]; |
| 750 | let dst = &mut self.data[cell.get_x() + (cell.get_y() + 1) * self.width..]; |
| 751 | |
| 752 | let width = cell.get_width(); |
| 753 | let height = cell.get_height(); |
| 754 | for (dline, sline) in dst.chunks_mut(ref_plane.width).zip(src.chunks(self.width)).take(height) { |
| 755 | dline[..width].copy_from_slice(&sline[..width]); |
| 756 | } |
| 757 | Ok(()) |
| 758 | } else { |
| 759 | Err(DecoderError::InvalidData) |
| 760 | } |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | struct IV3Frame { |
| 765 | plane: [Plane; 3], |
| 766 | } |
| 767 | |
| 768 | impl IV3Frame { |
| 769 | fn new() -> Self { |
| 770 | Self { |
| 771 | plane: [ |
| 772 | Plane::new(STRIP_WIDTH), |
| 773 | Plane::new(STRIP_WIDTH >> 2), |
| 774 | Plane::new(STRIP_WIDTH >> 2), |
| 775 | ], |
| 776 | } |
| 777 | } |
| 778 | fn alloc(&mut self, width: usize, height: usize) { |
| 779 | self.plane[0].alloc( width, height); |
| 780 | let chroma_w = ((width + 15) & !15) >> 2; |
| 781 | let chroma_h = ((height + 15) & !15) >> 2; |
| 782 | self.plane[1].alloc(chroma_w, chroma_h); |
| 783 | self.plane[2].alloc(chroma_w, chroma_h); |
| 784 | } |
| 785 | fn reset(&mut self) { |
| 786 | for plane in self.plane.iter_mut() { |
| 787 | plane.reset() |
| 788 | } |
| 789 | } |
| 790 | fn decode_planes(&mut self, ref_frame: &mut IV3Frame, br: &mut ByteReader, header: &mut Header, requant_tab: &RequantTab) -> DecoderResult<()> { |
| 791 | let data_start = header.data_start; |
| 792 | let data_end = header.data_end; |
| 793 | for ((cur_plane, ref_plane), (&start, &end)) in self.plane.iter_mut() |
| 794 | .zip(ref_frame.plane.iter_mut()) |
| 795 | .zip(data_start.iter().zip(data_end.iter())) { |
| 796 | br.seek(SeekFrom::Start(start))?; |
| 797 | let num_mvs = br.read_u32le()? as usize; |
| 798 | if header.is_intra { |
| 799 | validate!(num_mvs == 0); |
| 800 | } else { |
| 801 | validate!(num_mvs <= header.mvs.len()); |
| 802 | } |
| 803 | header.num_mvs = num_mvs; |
| 804 | for mv in header.mvs.iter_mut().take(num_mvs) { |
| 805 | mv.y = br.read_byte()? as i8; |
| 806 | mv.x = br.read_byte()? as i8; |
| 807 | } |
| 808 | let mut reader = DataReader::new(br); |
| 809 | cur_plane.decode_data(&mut reader, ref_plane, header, requant_tab)?; |
| 810 | validate!(br.tell() <= end); |
| 811 | } |
| 812 | Ok(()) |
| 813 | } |
| 814 | fn output_frame(&self, dst: &mut NAVideoBuffer<u8>, is_8bit: bool) { |
| 815 | let dfrm = NASimpleVideoFrame::from_video_buf(dst).unwrap(); |
| 816 | for (plane_no, plane) in self.plane.iter().enumerate() { |
| 817 | plane.output_plane(&mut dfrm.data[dfrm.offset[plane_no]..], dfrm.stride[plane_no], is_8bit); |
| 818 | } |
| 819 | } |
| 820 | fn checksum(&self, is_8bit: bool) -> u16 { |
| 821 | let mut checksum = 0; |
| 822 | for plane in self.plane.iter() { |
| 823 | checksum ^= plane.checksum(); |
| 824 | } |
| 825 | if !is_8bit { |
| 826 | checksum <<= 1; |
| 827 | } |
| 828 | checksum |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | struct Indeo3Decoder { |
| 833 | info: NACodecInfoRef, |
| 834 | width: u16, |
| 835 | height: u16, |
| 836 | header: Header, |
| 837 | frame0: IV3Frame, |
| 838 | frame1: IV3Frame, |
| 839 | requant_tab: RequantTab, |
| 840 | do_crc: bool, |
| 841 | ign_size: bool, |
| 842 | } |
| 843 | |
| 844 | impl Indeo3Decoder { |
| 845 | fn new() -> Self { |
| 846 | const REQUANT_OFF: [i32; 8] = [ 0, 1, 0, 4, 4, 1, 0, 1 ]; |
| 847 | |
| 848 | let dummy_info = NACodecInfo::new_dummy(); |
| 849 | |
| 850 | let mut requant_tab = [[0u8; 128]; 8]; |
| 851 | for i in 0..8 { |
| 852 | let step = (i as i32) + 2; |
| 853 | let start = if (i == 3) || (i == 4) { -3 } else { step / 2 }; |
| 854 | let mut last = 0; |
| 855 | for j in 0..128 { |
| 856 | requant_tab[i][j] = (((j as i32) + start) / step * step + REQUANT_OFF[i]) as u8; |
| 857 | if requant_tab[i][j] < 128 { |
| 858 | last = requant_tab[i][j]; |
| 859 | } else { |
| 860 | requant_tab[i][j] = last; |
| 861 | } |
| 862 | } |
| 863 | } |
| 864 | requant_tab[1][7] = 10; |
| 865 | requant_tab[1][119] = 118; |
| 866 | requant_tab[1][120] = 118; |
| 867 | requant_tab[4][8] = 10; |
| 868 | |
| 869 | Indeo3Decoder { |
| 870 | info: dummy_info, |
| 871 | width: 0, |
| 872 | height: 0, |
| 873 | header: Header::new(), |
| 874 | frame0: IV3Frame::new(), |
| 875 | frame1: IV3Frame::new(), |
| 876 | do_crc: false, |
| 877 | ign_size: false, |
| 878 | requant_tab |
| 879 | } |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | impl NADecoder for Indeo3Decoder { |
| 884 | fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { |
| 885 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { |
| 886 | let w = vinfo.get_width(); |
| 887 | let h = vinfo.get_height(); |
| 888 | let fmt = formats::YUV410_FORMAT; |
| 889 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, false, fmt)); |
| 890 | self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); |
| 891 | self.frame0.reset(); |
| 892 | self.frame1.reset(); |
| 893 | self.width = w as u16; |
| 894 | self.height = h as u16; |
| 895 | self.frame0.alloc(w, h); |
| 896 | self.frame1.alloc(w, h); |
| 897 | Ok(()) |
| 898 | } else { |
| 899 | Err(DecoderError::InvalidData) |
| 900 | } |
| 901 | } |
| 902 | fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { |
| 903 | let src = pkt.get_buffer(); |
| 904 | let mut mr = MemoryReader::new_read(&src); |
| 905 | let mut br = ByteReader::new(&mut mr); |
| 906 | |
| 907 | // read OS header |
| 908 | let frameno = br.read_u32le()?; |
| 909 | let hdr_2 = br.read_u32le()?; |
| 910 | let check = br.read_u32le()?; |
| 911 | let size = br.read_u32le()?; |
| 912 | |
| 913 | let data_start = br.tell(); |
| 914 | |
| 915 | if (frameno ^ hdr_2 ^ size ^ FRMH_TAG) != check { |
| 916 | return Err(DecoderError::InvalidData); |
| 917 | } |
| 918 | if i64::from(size) > br.left() { |
| 919 | return Err(DecoderError::InvalidData); |
| 920 | } |
| 921 | |
| 922 | let ver = br.read_u16le()?; |
| 923 | if ver != 32 { return Err(DecoderError::NotImplemented); } |
| 924 | let flags = br.read_u16le()?; |
| 925 | let size2 = br.read_u32le()?; |
| 926 | if size2 == 0x80 { |
| 927 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::None); |
| 928 | frm.set_keyframe(false); |
| 929 | frm.set_frame_type(FrameType::Skip); |
| 930 | return Ok(frm.into_ref()); |
| 931 | } |
| 932 | validate!(((size2 + 7) >> 3) <= size); |
| 933 | self.header.vq_offset = br.read_byte()?; |
| 934 | br.read_skip(1)?; |
| 935 | let checksum = br.read_u16le()?; |
| 936 | let height = br.read_u16le()?; |
| 937 | let width = br.read_u16le()?; |
| 938 | validate!((width >= 16) && (width <= 640)); |
| 939 | validate!((height >= 16) && (height <= 480)); |
| 940 | validate!(((width & 3) == 0) && ((height & 3) == 0)); |
| 941 | if !self.ign_size && (width != self.width || height != self.height) { |
| 942 | self.width = width; |
| 943 | self.height = height; |
| 944 | self.frame0.alloc(width as usize, height as usize); |
| 945 | self.frame1.alloc(width as usize, height as usize); |
| 946 | let newinfo = NAVideoInfo::new(width as usize, height as usize, false, formats::YUV410_FORMAT); |
| 947 | self.info = NACodecInfo::new_ref(self.info.get_name(), NACodecTypeInfo::Video(newinfo), self.info.get_extradata()).into_ref(); |
| 948 | } |
| 949 | |
| 950 | let yoff = br.read_u32le()?; |
| 951 | let voff = br.read_u32le()?; |
| 952 | let uoff = br.read_u32le()?; |
| 953 | validate!(yoff <= size && uoff <= size && voff <= size); |
| 954 | |
| 955 | br.read_skip(4)?; |
| 956 | br.read_buf(&mut self.header.alt_quant)?; |
| 957 | |
| 958 | let mut yend = src.len() as u32;//size; |
| 959 | if (uoff < yend) && (uoff > yoff) { yend = uoff; } |
| 960 | if (voff < yend) && (voff > yoff) { yend = voff; } |
| 961 | let mut uend = size; |
| 962 | if (yoff < uend) && (yoff > uoff) { uend = yoff; } |
| 963 | if (voff < uend) && (voff > uoff) { uend = voff; } |
| 964 | let mut vend = size; |
| 965 | if (yoff < vend) && (yoff > voff) { vend = yoff; } |
| 966 | if (uoff < vend) && (uoff > voff) { vend = uoff; } |
| 967 | |
| 968 | let intra_frame = (flags & FLAG_KEYFRAME) != 0; |
| 969 | |
| 970 | let bufinfo = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 4)?; |
| 971 | let mut buf = bufinfo.get_vbuf().unwrap(); |
| 972 | |
| 973 | let ystart = data_start + u64::from(yoff); |
| 974 | let ustart = data_start + u64::from(uoff); |
| 975 | let vstart = data_start + u64::from(voff); |
| 976 | let yendpos = data_start + u64::from(yend); |
| 977 | let uendpos = data_start + u64::from(uend); |
| 978 | let vendpos = data_start + u64::from(vend); |
| 979 | |
| 980 | self.header.data_start = [ystart, ustart, vstart]; |
| 981 | self.header.data_end = [yendpos, uendpos, vendpos]; |
| 982 | self.header.is_intra = intra_frame; |
| 983 | |
| 984 | let (cur_frame, ref_frame) = if (flags & FLAG_BUFSEL) != 0 { |
| 985 | (&mut self.frame0, &mut self.frame1) |
| 986 | } else { |
| 987 | (&mut self.frame1, &mut self.frame0) |
| 988 | }; |
| 989 | cur_frame.decode_planes(ref_frame, &mut br, &mut self.header, &self.requant_tab)?; |
| 990 | cur_frame.output_frame(&mut buf, (flags & FLAG_8BIT) != 0); |
| 991 | if self.do_crc && checksum != 0 { |
| 992 | let out_checksum = cur_frame.checksum((flags & FLAG_8BIT) != 0); |
| 993 | if checksum != out_checksum && checksum.rotate_left(8) != out_checksum { |
| 994 | println!("checksum {:04X} / {:04X}", checksum, out_checksum); |
| 995 | return Err(DecoderError::ChecksumError); |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo); |
| 1000 | frm.set_keyframe(intra_frame); |
| 1001 | frm.set_frame_type(if intra_frame { FrameType::I } else { FrameType::P }); |
| 1002 | Ok(frm.into_ref()) |
| 1003 | } |
| 1004 | |
| 1005 | fn flush(&mut self) { |
| 1006 | self.frame0.reset(); |
| 1007 | self.frame1.reset(); |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | const DO_CRC_OPTION: &str = "checksum"; |
| 1012 | const IGNORE_SIZE_OPTION: &str = "ignore_size_change"; |
| 1013 | |
| 1014 | const DECODER_OPTS: &[NAOptionDefinition] = &[ |
| 1015 | NAOptionDefinition { |
| 1016 | name: DO_CRC_OPTION, description: "Verify frame checksum", |
| 1017 | opt_type: NAOptionDefinitionType::Bool }, |
| 1018 | NAOptionDefinition { |
| 1019 | name: IGNORE_SIZE_OPTION, description: "Ignore dimensions provided in the frame header", |
| 1020 | opt_type: NAOptionDefinitionType::Bool }, |
| 1021 | ]; |
| 1022 | |
| 1023 | impl NAOptionHandler for Indeo3Decoder { |
| 1024 | fn get_supported_options(&self) -> &[NAOptionDefinition] { DECODER_OPTS } |
| 1025 | fn set_options(&mut self, options: &[NAOption]) { |
| 1026 | for option in options.iter() { |
| 1027 | for opt_def in DECODER_OPTS.iter() { |
| 1028 | if opt_def.check(option).is_ok() { |
| 1029 | match option.name { |
| 1030 | DO_CRC_OPTION => { |
| 1031 | if let NAValue::Bool(val) = option.value { |
| 1032 | self.do_crc = val; |
| 1033 | } |
| 1034 | }, |
| 1035 | IGNORE_SIZE_OPTION => { |
| 1036 | if let NAValue::Bool(val) = option.value { |
| 1037 | self.ign_size = val; |
| 1038 | } |
| 1039 | }, |
| 1040 | _ => {}, |
| 1041 | }; |
| 1042 | } |
| 1043 | } |
| 1044 | } |
| 1045 | } |
| 1046 | fn query_option_value(&self, name: &str) -> Option<NAValue> { |
| 1047 | match name { |
| 1048 | DO_CRC_OPTION => Some(NAValue::Bool(self.do_crc)), |
| 1049 | IGNORE_SIZE_OPTION => Some(NAValue::Bool(self.ign_size)), |
| 1050 | _ => None, |
| 1051 | } |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | pub fn get_decoder() -> Box<dyn NADecoder + Send> { |
| 1056 | Box::new(Indeo3Decoder::new()) |
| 1057 | } |
| 1058 | |
| 1059 | #[cfg(test)] |
| 1060 | mod test { |
| 1061 | use nihav_core::codecs::RegisteredDecoders; |
| 1062 | use nihav_core::demuxers::RegisteredDemuxers; |
| 1063 | use nihav_codec_support::test::dec_video::*; |
| 1064 | use crate::indeo_register_all_decoders; |
| 1065 | use nihav_commonfmt::generic_register_all_demuxers; |
| 1066 | #[test] |
| 1067 | fn test_indeo3_decoder() { |
| 1068 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 1069 | generic_register_all_demuxers(&mut dmx_reg); |
| 1070 | let mut dec_reg = RegisteredDecoders::new(); |
| 1071 | indeo_register_all_decoders(&mut dec_reg); |
| 1072 | |
| 1073 | // sample: https://samples.mplayerhq.hu/V-codecs/IV32/iv32_example.avi |
| 1074 | test_decoding("avi", "indeo3", "assets/Indeo/iv32_example.avi", Some(10), |
| 1075 | &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![ |
| 1076 | [0xd710b489, 0xbeee8f99, 0xfbe34549, 0xaf5805af], |
| 1077 | [0x2b56ad73, 0x1faea777, 0xed480d09, 0x801e5185], |
| 1078 | [0x06baa992, 0x74eef5fa, 0xf9d39fb2, 0xfac872ae], |
| 1079 | [0xadceb016, 0x1fbd67f9, 0xba3e6621, 0xd822a026], |
| 1080 | [0x052244b7, 0x1e3bd7bb, 0xd5ad10cf, 0x9177dc3e], |
| 1081 | [0x84cca4bc, 0x19ac192f, 0xb9281be7, 0x7ad6193e], |
| 1082 | [0xcab74cf9, 0xd7c77c2a, 0x848cbfc9, 0x604a2718], |
| 1083 | [0xe6d65b3b, 0x3f3ea0e1, 0x383cad01, 0x0788f3ac], |
| 1084 | [0xb25d9b0c, 0xc784bf67, 0x6e86991d, 0x7c2d9a14], |
| 1085 | [0x8c70aeae, 0xf95369a1, 0x31d60201, 0xe7e4acdb], |
| 1086 | [0x5c63f1bb, 0x32ce48a4, 0x226d112e, 0x440a5bba]])); |
| 1087 | } |
| 1088 | } |