projects / nihav.git / blame
| Commit | Line | Data |
|---|---|---|
| 22de733b | 1 | use nihav_core::frame::NASimpleVideoFrame; |
| 696e4e20 KS |
2 | use nihav_codec_support::codecs::{MV, ZERO_MV}; |
| 3 | use nihav_codec_support::data::GenericCache; | |
| 4 | use super::FrameRefs; | |
| 5 | ||
| 6 | #[repr(u8)] | |
| 7 | #[derive(Clone,Copy,Debug,PartialEq)] | |
| 8 | pub enum BMode { | |
| 9 | L0, | |
| 10 | L1, | |
| 11 | Bi, | |
| 12 | } | |
| 13 | ||
| 14 | #[derive(Clone,Copy,Debug,PartialEq)] | |
| 15 | pub enum MBType { | |
| 16 | Intra4x4, | |
| 17 | Intra8x8, | |
| 18 | Intra16x16(u8, u8, u8), | |
| 19 | PCM, | |
| 20 | ||
| 21 | P16x16, | |
| 22 | P16x8, | |
| 23 | P8x16, | |
| 24 | P8x8, | |
| 25 | P8x8Ref0, | |
| 26 | PSkip, | |
| 27 | ||
| 28 | Direct, | |
| 29 | B16x16(BMode), | |
| 30 | B16x8(BMode, BMode), | |
| 31 | B8x16(BMode, BMode), | |
| 32 | B8x8, | |
| 33 | BSkip, | |
| 34 | } | |
| 35 | ||
| 36 | impl MBType { | |
| 37 | pub fn is_intra(self) -> bool { | |
| 38 | match self { | |
| 39 | MBType::Intra4x4 | MBType::Intra8x8 | MBType::Intra16x16(_, _, _) | MBType::PCM => true, | |
| 40 | _ => false, | |
| 41 | } | |
| 42 | } | |
| 43 | pub fn is_intra16x16(self) -> bool { | |
| 44 | if let MBType::Intra16x16(_, _, _) = self { | |
| 45 | true | |
| 46 | } else { | |
| 47 | false | |
| 48 | } | |
| 49 | } | |
| 50 | pub fn is_skip(self) -> bool { | |
| 51 | match self { | |
| 52 | MBType::PSkip | MBType::BSkip => true, | |
| 53 | _ => false, | |
| 54 | } | |
| 55 | } | |
| 56 | pub fn is_4x4(self) -> bool { self.num_parts() == 4 } | |
| 57 | pub fn is_l0(self, part: usize) -> bool { | |
| 58 | match self { | |
| 59 | MBType::B16x16(mode) => mode == BMode::L0, | |
| 60 | MBType::B16x8(mode0, mode1) | MBType::B8x16(mode0, mode1) => { | |
| 61 | if part == 0 { | |
| 62 | mode0 == BMode::L0 | |
| 63 | } else { | |
| 64 | mode1 == BMode::L0 | |
| 65 | } | |
| 66 | }, | |
| 67 | MBType::Direct | MBType::BSkip => false, | |
| 68 | _ => true, | |
| 69 | } | |
| 70 | } | |
| 71 | pub fn is_l1(self, part: usize) -> bool { | |
| 72 | match self { | |
| 73 | MBType::B16x16(mode) => mode == BMode::L1, | |
| 74 | MBType::B16x8(mode0, mode1) | MBType::B8x16(mode0, mode1) => { | |
| 75 | if part == 0 { | |
| 76 | mode0 == BMode::L1 | |
| 77 | } else { | |
| 78 | mode1 == BMode::L1 | |
| 79 | } | |
| 80 | }, | |
| 81 | _ => false, | |
| 82 | } | |
| 83 | } | |
| 84 | pub fn num_parts(self) -> usize { | |
| 85 | match self { | |
| 86 | MBType::Intra4x4 | MBType::Intra8x8 | MBType::Intra16x16(_, _, _) | MBType::PCM | | |
| 87 | MBType::PSkip | | |
| 88 | MBType::Direct | MBType::BSkip | |
| 89 | => 1, | |
| 90 | MBType::P16x16 | | |
| 91 | MBType::B16x16(_) | |
| 92 | => 1, | |
| 93 | MBType::P16x8 | MBType::P8x16 | | |
| 94 | MBType::B16x8(_, _) | MBType::B8x16(_, _) | |
| 95 | => 2, | |
| 96 | _ => 4, | |
| 97 | } | |
| 98 | } | |
| 99 | pub fn size(self) -> (usize, usize) { | |
| 100 | match self { | |
| 101 | MBType::Intra4x4 | | |
| 102 | MBType::Intra8x8 | | |
| 103 | MBType::Intra16x16(_, _, _) | | |
| 104 | MBType::PCM | | |
| 105 | MBType::P16x16 | | |
| 106 | MBType::PSkip | | |
| 107 | MBType::Direct | | |
| 108 | MBType::B16x16(_) | | |
| 109 | MBType::BSkip | |
| 110 | => (16, 16), | |
| 111 | MBType::P16x8 | MBType::B16x8(_, _) => (16, 8), | |
| 112 | MBType::P8x16 | MBType::B8x16(_, _) => (8, 16), | |
| 113 | _ => (8, 8), | |
| 114 | } | |
| 115 | } | |
| 116 | } | |
| 117 | ||
| 118 | impl Default for MBType { | |
| 119 | fn default() -> Self { MBType::Intra4x4 } | |
| 120 | } | |
| 121 | ||
| 122 | #[derive(Clone,Copy,Debug,PartialEq)] | |
| 123 | pub enum SubMBType { | |
| 124 | P8x8, | |
| 125 | P8x4, | |
| 126 | P4x8, | |
| 127 | P4x4, | |
| 128 | Direct8x8, | |
| 129 | B8x8(BMode), | |
| 130 | B8x4(BMode), | |
| 131 | B4x8(BMode), | |
| 132 | B4x4(BMode), | |
| 133 | } | |
| 134 | ||
| 135 | impl SubMBType { | |
| 136 | pub fn num_parts(self) -> usize { | |
| 137 | match self { | |
| 138 | SubMBType::P8x8 | SubMBType::Direct8x8 | SubMBType::B8x8(_) => 1, | |
| 139 | SubMBType::P4x4 | SubMBType::B4x4(_) => 4, | |
| 140 | _ => 2, | |
| 141 | } | |
| 142 | } | |
| 143 | pub fn size(self) -> (usize, usize) { | |
| 144 | match self { | |
| 145 | SubMBType::P8x8 | SubMBType::Direct8x8 | SubMBType::B8x8(_) => (8, 8), | |
| 146 | SubMBType::P8x4 | SubMBType::B8x4(_) => (8, 4), | |
| 147 | SubMBType::P4x8 | SubMBType::B4x8(_) => (4, 8), | |
| 148 | SubMBType::P4x4 | SubMBType::B4x4(_) => (4, 4), | |
| 149 | } | |
| 150 | } | |
| 151 | pub fn is_l0(self) -> bool { | |
| 152 | match self { | |
| 153 | SubMBType::B8x8(mode) | SubMBType::B8x4(mode) | | |
| 154 | SubMBType::B4x8(mode) | SubMBType::B4x4(mode) => { | |
| 155 | mode == BMode::L0 | |
| 156 | }, | |
| 157 | _ => true, | |
| 158 | } | |
| 159 | } | |
| 160 | pub fn is_l1(self) -> bool { | |
| 161 | match self { | |
| 162 | SubMBType::B8x8(mode) | SubMBType::B8x4(mode) | | |
| 163 | SubMBType::B4x8(mode) | SubMBType::B4x4(mode) => { | |
| 164 | mode == BMode::L1 | |
| 165 | }, | |
| 166 | _ => false, | |
| 167 | } | |
| 168 | } | |
| 169 | } | |
| 170 | ||
| 171 | impl Default for SubMBType { | |
| 172 | fn default() -> Self { SubMBType::Direct8x8 } | |
| 173 | } | |
| 174 | ||
| 175 | #[repr(u8)] | |
| 176 | #[derive(Clone,Copy,Debug,PartialEq)] | |
| 177 | pub enum CompactMBType { | |
| 178 | Intra4x4, | |
| 179 | Intra8x8, | |
| 180 | Intra16x16, | |
| 181 | PCM, | |
| 182 | ||
| 183 | P16x16, | |
| 184 | P16x8, | |
| 185 | P8x16, | |
| 186 | P8x8, | |
| 187 | P8x8Ref0, | |
| 188 | PSkip, | |
| 189 | ||
| 190 | Direct, | |
| 191 | B16x16, | |
| 192 | B16x8, | |
| 193 | B8x16, | |
| 194 | B8x8, | |
| 195 | BSkip, | |
| 196 | ||
| 197 | None, | |
| 198 | } | |
| 199 | ||
| 200 | impl CompactMBType { | |
| 201 | pub fn is_intra(self) -> bool { | |
| 202 | match self { | |
| 203 | CompactMBType::Intra4x4 | CompactMBType::Intra8x8 | CompactMBType::Intra16x16 => true, | |
| 204 | _ => false, | |
| 205 | } | |
| 206 | } | |
| 207 | pub fn is_intra16orpcm(self) -> bool { | |
| 208 | match self { | |
| 209 | CompactMBType::Intra16x16 | CompactMBType::PCM => true, | |
| 210 | _ => false, | |
| 211 | } | |
| 212 | } | |
| 213 | pub fn is_skip(self) -> bool { | |
| 214 | match self { | |
| 215 | CompactMBType::PSkip | CompactMBType::BSkip => true, | |
| 216 | _ => false, | |
| 217 | } | |
| 218 | } | |
| 219 | pub fn is_direct(self) -> bool { | |
| 220 | match self { | |
| 221 | CompactMBType::BSkip | CompactMBType::Direct | CompactMBType::None => true, | |
| 222 | _ => false, | |
| 223 | } | |
| 224 | } | |
| 225 | pub fn is_inter(self) -> bool { | |
| 226 | !self.is_intra() && !self.is_skip() && self != CompactMBType::PCM | |
| 227 | } | |
| 228 | pub fn is_16x16(self) -> bool { | |
| 229 | match self { | |
| 230 | CompactMBType::P16x8 | CompactMBType::P8x16 | | |
| 231 | CompactMBType::P8x8 | CompactMBType::P8x8Ref0 | | |
| 232 | CompactMBType::B16x8 | CompactMBType::B8x16 | | |
| 233 | CompactMBType::B8x8 => false, | |
| 234 | _ => true, | |
| 235 | } | |
| 236 | } | |
| 237 | } | |
| 238 | ||
| 239 | impl Default for CompactMBType { | |
| 240 | fn default() -> Self { CompactMBType::None } | |
| 241 | } | |
| 242 | ||
| 243 | impl From<MBType> for CompactMBType { | |
| 244 | fn from(mbtype: MBType) -> Self { | |
| 245 | match mbtype { | |
| 246 | MBType::Intra4x4 => CompactMBType::Intra4x4, | |
| 247 | MBType::Intra8x8 => CompactMBType::Intra8x8, | |
| 248 | MBType::Intra16x16(_, _, _) => CompactMBType::Intra16x16, | |
| 249 | MBType::PCM => CompactMBType::PCM, | |
| 250 | MBType::P16x16 => CompactMBType::P16x16, | |
| 251 | MBType::P16x8 => CompactMBType::P16x8, | |
| 252 | MBType::P8x16 => CompactMBType::P8x16, | |
| 253 | MBType::P8x8 => CompactMBType::P8x8, | |
| 254 | MBType::P8x8Ref0 => CompactMBType::P8x8Ref0, | |
| 255 | MBType::PSkip => CompactMBType::PSkip, | |
| 256 | MBType::Direct => CompactMBType::Direct, | |
| 257 | MBType::B16x16(_) => CompactMBType::B16x16, | |
| 258 | MBType::B16x8(_, _) => CompactMBType::B16x8, | |
| 259 | MBType::B8x16(_, _) => CompactMBType::B8x16, | |
| 260 | MBType::B8x8 => CompactMBType::B8x8, | |
| 261 | MBType::BSkip => CompactMBType::BSkip, | |
| 262 | } | |
| 263 | } | |
| 264 | } | |
| 265 | ||
| 266 | #[repr(u8)] | |
| 267 | #[derive(Clone,Copy,Debug,PartialEq)] | |
| 268 | pub enum IntraPredMode { | |
| 269 | Vertical, | |
| 270 | Horizontal, | |
| 271 | DC, | |
| 272 | DiagDownLeft, | |
| 273 | DiagDownRight, | |
| 274 | VerRight, | |
| 275 | HorDown, | |
| 276 | VerLeft, | |
| 277 | HorUp, | |
| 278 | None, | |
| 279 | } | |
| 280 | ||
| 281 | impl IntraPredMode { | |
| 282 | pub fn is_none(self) -> bool { self == IntraPredMode::None } | |
| 283 | pub fn into_pred_idx(self) -> i8 { | |
| 284 | if !self.is_none() { | |
| 285 | self as u8 as i8 | |
| 286 | } else { | |
| 287 | -1 | |
| 288 | } | |
| 289 | } | |
| 290 | } | |
| 291 | ||
| 292 | impl Default for IntraPredMode { | |
| 293 | fn default() -> Self { IntraPredMode::None } | |
| 294 | } | |
| 295 | ||
| 296 | impl From<u8> for IntraPredMode { | |
| 297 | fn from(val: u8) -> Self { | |
| 298 | match val { | |
| 299 | 0 => IntraPredMode::Vertical, | |
| 300 | 1 => IntraPredMode::Horizontal, | |
| 301 | 2 => IntraPredMode::DC, | |
| 302 | 3 => IntraPredMode::DiagDownLeft, | |
| 303 | 4 => IntraPredMode::DiagDownRight, | |
| 304 | 5 => IntraPredMode::VerRight, | |
| 305 | 6 => IntraPredMode::HorDown, | |
| 306 | 7 => IntraPredMode::VerLeft, | |
| 307 | 8 => IntraPredMode::HorUp, | |
| 308 | _ => IntraPredMode::None, | |
| 309 | } | |
| 310 | } | |
| 311 | } | |
| 312 | ||
| 313 | impl Into<u8> for IntraPredMode { | |
| 314 | fn into(self) -> u8 { | |
| 315 | match self { | |
| 316 | IntraPredMode::Vertical => 0, | |
| 317 | IntraPredMode::Horizontal => 1, | |
| 318 | IntraPredMode::DC => 2, | |
| 319 | IntraPredMode::DiagDownLeft => 3, | |
| 320 | IntraPredMode::DiagDownRight => 4, | |
| 321 | IntraPredMode::VerRight => 5, | |
| 322 | IntraPredMode::HorDown => 6, | |
| 323 | IntraPredMode::VerLeft => 7, | |
| 324 | IntraPredMode::HorUp => 8, | |
| 325 | _ => 9, | |
| 326 | } | |
| 327 | } | |
| 328 | } | |
| 329 | ||
| 330 | pub const MISSING_POC: u16 = 0xFFFF; | |
| 331 | ||
| 332 | #[derive(Clone,Copy,Debug)] | |
| 333 | pub struct PicRef { | |
| 334 | ref_idx: u8 | |
| 335 | } | |
| 336 | ||
| 337 | pub const MISSING_REF: PicRef = PicRef { ref_idx: 0xFF }; | |
| 338 | pub const INVALID_REF: PicRef = PicRef { ref_idx: 0xFE }; | |
| 339 | pub const ZERO_REF: PicRef = PicRef { ref_idx: 0 }; | |
| 340 | const DIRECT_FLAG: u8 = 0x40; | |
| 341 | ||
| 342 | impl PicRef { | |
| 343 | pub fn new(ref_idx: u8) -> Self { | |
| 344 | Self { ref_idx } | |
| 345 | } | |
| 346 | pub fn not_avail(self) -> bool { | |
| 347 | self == MISSING_REF || self == INVALID_REF | |
| 348 | } | |
| 349 | pub fn index(self) -> usize { (self.ref_idx & !DIRECT_FLAG) as usize } | |
| 350 | pub fn is_direct(self) -> bool { (self.ref_idx & DIRECT_FLAG) != 0 } | |
| 351 | pub fn set_direct(&mut self) { self.ref_idx |= DIRECT_FLAG; } | |
| 352 | fn min_pos(self, other: Self) -> Self { | |
| 353 | match (self.not_avail(), other.not_avail()) { | |
| 354 | (true, true) => self, | |
| 355 | (false, true) => self, | |
| 356 | (true, false) => other, | |
| 357 | (false, false) => PicRef::new((self.ref_idx & !DIRECT_FLAG).min(other.ref_idx & !DIRECT_FLAG)), | |
| 358 | } | |
| 359 | } | |
| 360 | } | |
| 361 | ||
| 362 | impl Default for PicRef { | |
| 363 | fn default() -> Self { MISSING_REF } | |
| 364 | } | |
| 365 | ||
| 366 | impl PartialEq for PicRef { | |
| 367 | fn eq(&self, other: &Self) -> bool { | |
| 368 | (self.ref_idx | DIRECT_FLAG) == (other.ref_idx | DIRECT_FLAG) | |
| 369 | } | |
| 370 | } | |
| 371 | ||
| 372 | impl std::fmt::Display for PicRef { | |
| 373 | fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | |
| 374 | if *self == MISSING_REF { | |
| 375 | write!(f, "-1") | |
| 376 | } else if *self == INVALID_REF { | |
| 377 | write!(f, "-2") | |
| 378 | } else { | |
| 379 | write!(f, "{}", self.ref_idx & !DIRECT_FLAG) | |
| 380 | } | |
| 381 | } | |
| 382 | } | |
| 383 | ||
| 384 | #[derive(Clone,Copy,Default)] | |
| 385 | pub struct MBData { | |
| 386 | pub mb_type: CompactMBType, | |
| 387 | pub cbp: u8, | |
| 388 | pub coded_flags: u32, | |
| 389 | pub cmode: u8, | |
| 390 | pub qp_y: u8, | |
| 391 | pub qp_u: u8, | |
| 392 | pub qp_v: u8, | |
| 393 | pub transform_8x8: bool, | |
| 394 | } | |
| 395 | ||
| 396 | pub fn blk4_to_blk8(blk4: usize) -> usize { | |
| 397 | const MAP: [usize; 16] = [ 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3 ]; | |
| 398 | MAP[blk4 & 0xF] | |
| 399 | } | |
| 400 | ||
| 401 | #[derive(Clone,Copy)] | |
| 402 | pub struct Blk8Data { | |
| 403 | pub ref_idx: [PicRef; 2], | |
| 404 | pub ncoded_c: [u8; 2], | |
| 405 | } | |
| 406 | ||
| 407 | impl Default for Blk8Data { | |
| 408 | fn default() -> Self { | |
| 409 | Self { | |
| 410 | ref_idx: [MISSING_REF; 2], | |
| 411 | ncoded_c: [0; 2], | |
| 412 | } | |
| 413 | } | |
| 414 | } | |
| 415 | ||
| 416 | #[derive(Clone,Copy,Default)] | |
| 417 | pub struct Blk4Data { | |
| 418 | pub ncoded: u8, | |
| 419 | pub ipred: IntraPredMode, | |
| 420 | pub mv: [MV; 2], | |
| 421 | pub mvd: [MV; 2], | |
| 422 | } | |
| 423 | ||
| 424 | pub struct SliceState { | |
| 425 | pub mb_x: usize, | |
| 426 | pub mb_y: usize, | |
| 427 | pub mb_w: usize, | |
| 428 | pub mb_h: usize, | |
| 429 | pub mb_start: usize, | |
| 430 | ||
| 431 | pub mb: GenericCache<MBData>, | |
| 432 | pub blk8: GenericCache<Blk8Data>, | |
| 433 | pub blk4: GenericCache<Blk4Data>, | |
| 434 | ||
| 22de733b | 435 | pub deblock: [u8; 16], |
| 696e4e20 KS |
436 | |
| 437 | pub has_top: bool, | |
| 438 | pub has_left: bool, | |
| 22de733b KS |
439 | |
| 440 | pub top_line_y: Vec<u8>, | |
| 441 | pub left_y: [u8; 17], // first element is top-left | |
| 442 | pub top_line_c: [Vec<u8>; 2], | |
| 443 | pub left_c: [[u8; 9]; 2], | |
| 696e4e20 KS |
444 | } |
| 445 | ||
| 446 | impl SliceState { | |
| 447 | pub fn new() -> Self { | |
| 448 | Self { | |
| 449 | mb_x: 0, | |
| 450 | mb_y: 0, | |
| 451 | mb_w: 0, | |
| 452 | mb_h: 0, | |
| 453 | mb_start: 0, | |
| 454 | mb: GenericCache::new(0, 0, MBData::default()), | |
| 455 | blk8: GenericCache::new(0, 0, Blk8Data::default()), | |
| 456 | blk4: GenericCache::new(0, 0, Blk4Data::default()), | |
| 457 | ||
| 22de733b | 458 | deblock: [0; 16], |
| 696e4e20 KS |
459 | |
| 460 | has_top: false, | |
| 461 | has_left: false, | |
| 22de733b KS |
462 | |
| 463 | top_line_y: Vec::new(), | |
| 464 | left_y: [0; 17], | |
| 465 | top_line_c: [Vec::new(), Vec::new()], | |
| 466 | left_c: [[0; 9]; 2], | |
| 696e4e20 KS |
467 | } |
| 468 | } | |
| 469 | pub fn reset(&mut self, mb_w: usize, mb_h: usize, mb_pos: usize) { | |
| 470 | self.mb_w = mb_w; | |
| 471 | self.mb_h = mb_h; | |
| 472 | self.mb_start = mb_pos; | |
| 473 | if mb_w > 0 { | |
| 474 | self.mb_x = mb_pos % mb_w; | |
| 475 | self.mb_y = mb_pos / mb_w; | |
| 476 | } else { | |
| 477 | self.mb_x = 0; | |
| 478 | self.mb_y = 0; | |
| 479 | } | |
| 480 | self.mb = GenericCache::new(1, mb_w + 2, MBData::default()); | |
| 481 | self.blk8 = GenericCache::new(2, mb_w * 2 + 2, Blk8Data::default()); | |
| 482 | self.blk4 = GenericCache::new(4, mb_w * 4 + 2, Blk4Data::default()); | |
| 483 | ||
| 696e4e20 KS |
484 | self.has_top = false; |
| 485 | self.has_left = false; | |
| 22de733b KS |
486 | |
| 487 | self.top_line_y.resize(mb_w * 16 + 1, 0x80); | |
| 488 | self.top_line_c[0].resize(mb_w * 8 + 1, 0x80); | |
| 489 | self.top_line_c[1].resize(mb_w * 8 + 1, 0x80); | |
| 490 | self.left_y = [0x80; 17]; | |
| 491 | self.left_c = [[0x80; 9]; 2]; | |
| 696e4e20 | 492 | } |
| 22de733b KS |
493 | pub fn save_ipred_context(&mut self, frm: &NASimpleVideoFrame<u8>) { |
| 494 | let dstoff = self.mb_x * 16; | |
| 495 | let srcoff = frm.offset[0] + self.mb_x * 16 + self.mb_y * 16 * frm.stride[0]; | |
| 496 | self.left_y[0] = self.top_line_y[dstoff + 15]; | |
| 497 | self.top_line_y[dstoff..][..16].copy_from_slice(&frm.data[srcoff + frm.stride[0] * 15..][..16]); | |
| 498 | for (dst, src) in self.left_y[1..].iter_mut().zip(frm.data[srcoff..].chunks(frm.stride[0])) { | |
| 499 | *dst = src[15]; | |
| 500 | } | |
| 501 | for chroma in 0..2 { | |
| 502 | let cstride = frm.stride[chroma + 1]; | |
| 503 | let dstoff = self.mb_x * 8; | |
| 504 | let srcoff = frm.offset[chroma + 1] + self.mb_x * 8 + self.mb_y * 8 * cstride; | |
| 505 | self.left_c[chroma][0] = self.top_line_c[chroma][dstoff + 7]; | |
| 506 | self.top_line_c[chroma][dstoff..][..8].copy_from_slice(&frm.data[srcoff + cstride * 7..][..8]); | |
| 507 | for (dst, src) in self.left_c[chroma][1..].iter_mut().zip(frm.data[srcoff..].chunks(cstride)) { | |
| 508 | *dst = src[7]; | |
| 509 | } | |
| 510 | } | |
| 511 | } | |
| 512 | pub fn fill_deblock(&mut self, frefs: &FrameRefs, deblock_mode: u8, is_s: bool) { | |
| 696e4e20 KS |
513 | if deblock_mode == 1 { |
| 514 | return; | |
| 515 | } | |
| 516 | ||
| 22de733b KS |
517 | self.deblock = [0; 16]; |
| 518 | ||
| 696e4e20 KS |
519 | let tx8x8 = self.get_cur_mb().transform_8x8; |
| 520 | ||
| 696e4e20 KS |
521 | let cur_mbt = self.get_cur_mb().mb_type; |
| 522 | let left_mbt = self.get_left_mb().mb_type; | |
| 523 | let mut top_mbt = self.get_top_mb().mb_type; | |
| 524 | for y in 0..4 { | |
| 696e4e20 | 525 | let can_do_top = y != 0 || (self.mb_y != 0 && (self.has_top || deblock_mode != 2)); |
| 22de733b | 526 | if can_do_top && (!tx8x8 || (y & 1) == 0) { |
| 696e4e20 KS |
527 | if is_s || cur_mbt.is_intra() || top_mbt.is_intra() { |
| 528 | let val = if y == 0 { 0x40 } else { 0x30 }; | |
| 22de733b | 529 | for el in self.deblock[y * 4..][..4].iter_mut() { *el |= val; } |
| 696e4e20 KS |
530 | } else { |
| 531 | for x in 0..4 { | |
| 22de733b KS |
532 | let blk4 = x + y * 4; |
| 533 | let blk8 = x / 2 + (y / 2) * 2; | |
| 534 | if self.get_cur_blk4(blk4).ncoded != 0 || self.get_top_blk4(blk4).ncoded != 0 { | |
| 535 | self.deblock[y * 4 + x] |= 0x20; | |
| 696e4e20 | 536 | } else { |
| 22de733b KS |
537 | let cur_mv = self.get_cur_blk4(blk4).mv; |
| 538 | let top_mv = self.get_top_blk4(blk4).mv; | |
| 539 | let cur_ref = self.get_cur_blk8(blk8).ref_idx; | |
| 540 | let top_ref = if (y & 1) == 0 { self.get_top_blk8(blk8).ref_idx } else { cur_ref }; | |
| 541 | if mvdiff4(cur_mv[0], top_mv[0]) || mvdiff4(cur_mv[1], top_mv[1]) || !frefs.cmp_refs(cur_ref, top_ref) { | |
| 542 | self.deblock[y * 4 + x] |= 0x10; | |
| 696e4e20 KS |
543 | } |
| 544 | } | |
| 545 | } | |
| 546 | } | |
| 547 | } | |
| 548 | let mut lleft_mbt = left_mbt; | |
| 549 | for x in 0..4 { | |
| 22de733b | 550 | let skip_8 = tx8x8 && (x & 1) != 0; |
| 696e4e20 KS |
551 | let can_do_left = x > 0 || self.has_left || (self.mb_x != 0 && deblock_mode != 2); |
| 552 | if !can_do_left { | |
| 553 | continue; | |
| 554 | } | |
| 555 | let blk4 = x + y * 4; | |
| 556 | let blk8 = x / 2 + (y / 2) * 2; | |
| 22de733b KS |
557 | if skip_8 { |
| 558 | } else if is_s || cur_mbt.is_intra() || lleft_mbt.is_intra() { | |
| 559 | self.deblock[y * 4 + x] |= if x == 0 { 4 } else { 3 }; | |
| 560 | } else if self.get_cur_blk4(blk4).ncoded != 0 || self.get_left_blk4(blk4).ncoded != 0 { | |
| 561 | self.deblock[y * 4 + x] |= 2; | |
| 696e4e20 KS |
562 | } else { |
| 563 | let cur_mv = self.get_cur_blk4(blk4).mv; | |
| 564 | let left_mv = self.get_left_blk4(blk4).mv; | |
| 565 | let cur_ref = self.get_cur_blk8(blk8).ref_idx; | |
| 22de733b KS |
566 | let left_ref = if (x & 1) == 0 { self.get_left_blk8(blk8).ref_idx } else { cur_ref }; |
| 567 | if mvdiff4(cur_mv[0], left_mv[0]) || mvdiff4(cur_mv[1], left_mv[1]) || !frefs.cmp_refs(cur_ref, left_ref) { | |
| 568 | self.deblock[y * 4 + x] |= 1; | |
| 696e4e20 KS |
569 | } |
| 570 | } | |
| 571 | lleft_mbt = cur_mbt; | |
| 572 | } | |
| 573 | top_mbt = cur_mbt; | |
| 696e4e20 KS |
574 | } |
| 575 | } | |
| 576 | pub fn next_mb(&mut self) { | |
| 577 | self.mb_x += 1; | |
| 578 | self.has_left = true; | |
| 579 | if self.mb_x == self.mb_w { | |
| 580 | self.mb_x = 0; | |
| 581 | self.mb_y += 1; | |
| 582 | self.mb.update_row(); | |
| 583 | self.blk8.update_row(); | |
| 584 | self.blk4.update_row(); | |
| 585 | ||
| 696e4e20 KS |
586 | self.has_left = false; |
| 587 | } | |
| 588 | self.has_top = self.mb_x + self.mb_y * self.mb_w >= self.mb_start + self.mb_w; | |
| 589 | } | |
| 590 | pub fn get_cur_mb_idx(&self) -> usize { self.mb.xpos + self.mb_x } | |
| 591 | pub fn get_cur_blk8_idx(&self, blk_no: usize) -> usize { | |
| 592 | self.blk8.xpos + self.mb_x * 2 + (blk_no & 1) + (blk_no >> 1) * self.blk8.stride | |
| 593 | } | |
| 594 | pub fn get_cur_blk4_idx(&self, blk_no: usize) -> usize { | |
| 595 | self.blk4.xpos + self.mb_x * 4 + (blk_no & 3) + (blk_no >> 2) * self.blk4.stride | |
| 596 | } | |
| 597 | pub fn get_cur_mb(&mut self) -> &mut MBData { | |
| 598 | let idx = self.get_cur_mb_idx(); | |
| 599 | &mut self.mb.data[idx] | |
| 600 | } | |
| 601 | pub fn get_left_mb(&self) -> &MBData { | |
| 602 | &self.mb.data[self.get_cur_mb_idx() - 1] | |
| 603 | } | |
| 604 | pub fn get_top_mb(&self) -> &MBData { | |
| 605 | &self.mb.data[self.get_cur_mb_idx() - self.mb.stride] | |
| 606 | } | |
| 607 | pub fn get_cur_blk8(&mut self, blk_no: usize) -> &mut Blk8Data { | |
| 608 | let idx = self.get_cur_blk8_idx(blk_no); | |
| 609 | &mut self.blk8.data[idx] | |
| 610 | } | |
| 611 | pub fn get_left_blk8(&self, blk_no: usize) -> &Blk8Data { | |
| 612 | &self.blk8.data[self.get_cur_blk8_idx(blk_no) - 1] | |
| 613 | } | |
| 614 | pub fn get_top_blk8(&self, blk_no: usize) -> &Blk8Data { | |
| 615 | &self.blk8.data[self.get_cur_blk8_idx(blk_no) - self.blk8.stride] | |
| 616 | } | |
| 617 | pub fn get_cur_blk4(&mut self, blk_no: usize) -> &mut Blk4Data { | |
| 618 | let idx = self.get_cur_blk4_idx(blk_no); | |
| 619 | &mut self.blk4.data[idx] | |
| 620 | } | |
| 621 | pub fn get_left_blk4(&self, blk_no: usize) -> &Blk4Data { | |
| 622 | &self.blk4.data[self.get_cur_blk4_idx(blk_no) - 1] | |
| 623 | } | |
| 624 | pub fn get_top_blk4(&self, blk_no: usize) -> &Blk4Data { | |
| 625 | &self.blk4.data[self.get_cur_blk4_idx(blk_no) - self.blk4.stride] | |
| 626 | } | |
| 627 | ||
| 628 | pub fn apply_to_blk8<F: (Fn(&mut Blk8Data))>(&mut self, f: F) { | |
| 629 | let start = self.get_cur_blk8_idx(0); | |
| 630 | for row in self.blk8.data[start..].chunks_mut(self.blk8.stride).take(2) { | |
| 631 | for el in row[..2].iter_mut() { | |
| 632 | f(el); | |
| 633 | } | |
| 634 | } | |
| 635 | } | |
| 636 | pub fn apply_to_blk4<F: (Fn(&mut Blk4Data))>(&mut self, f: F) { | |
| 637 | let start = self.get_cur_blk4_idx(0); | |
| 638 | for row in self.blk4.data[start..].chunks_mut(self.blk4.stride).take(4) { | |
| 639 | for el in row[..4].iter_mut() { | |
| 640 | f(el); | |
| 641 | } | |
| 642 | } | |
| 643 | } | |
| 644 | ||
| 645 | pub fn fill_ipred(&mut self, imode: IntraPredMode) { | |
| 646 | self.apply_to_blk4(|blk| blk.ipred = imode); | |
| 647 | } | |
| 648 | pub fn fill_ncoded(&mut self, nc: u8) { | |
| 649 | self.apply_to_blk4(|blk| blk.ncoded = nc); | |
| 650 | self.apply_to_blk8(|blk| blk.ncoded_c = [nc; 2]); | |
| 651 | } | |
| 652 | pub fn reset_mb_mv(&mut self) { | |
| 653 | self.apply_to_blk8(|blk| blk.ref_idx = [INVALID_REF; 2]); | |
| 654 | } | |
| 655 | ||
| 656 | pub fn get_mv_ctx(&self, xoff: usize, yoff: usize, ref_l: usize) -> (usize, usize) { | |
| 657 | let blk_no = xoff / 4 + yoff; | |
| 658 | let mv_a = self.get_left_blk4(blk_no).mvd[ref_l]; | |
| 659 | let mv_b = self.get_top_blk4(blk_no).mvd[ref_l]; | |
| 660 | let mv = mv_a + mv_b; | |
| 661 | let ctx0 = if mv.x < 3 { 0 } else if mv.x <= 32 { 1 } else { 2 }; | |
| 662 | let ctx1 = if mv.y < 3 { 0 } else if mv.y <= 32 { 1 } else { 2 }; | |
| 663 | (ctx0, ctx1) | |
| 664 | } | |
| 665 | pub fn get_mv_ref_ctx(&self, xoff: usize, yoff: usize, ref_l: usize) -> usize { | |
| 666 | let blk_no = xoff / 8 + (yoff / 8) * 2; | |
| 667 | let mut ctx = 0; | |
| 668 | let left_ref = self.get_left_blk8(blk_no).ref_idx[ref_l]; | |
| 669 | let top_ref = self.get_top_blk8(blk_no).ref_idx[ref_l]; | |
| 670 | if !left_ref.not_avail() && !left_ref.is_direct() && left_ref.index() > 0 { | |
| 671 | ctx += 1; | |
| 672 | } | |
| 673 | if !top_ref.not_avail() && !top_ref.is_direct() && top_ref.index() > 0 { | |
| 674 | ctx += 2; | |
| 675 | } | |
| 676 | ctx | |
| 677 | } | |
| 4a1ca15c | 678 | #[allow(clippy::if_same_then_else)] |
| 696e4e20 KS |
679 | pub fn predict(&mut self, xpos: usize, ypos: usize, bw: usize, bh: usize, ref_l: usize, diff_mv: MV, ref_idx: PicRef) { |
| 680 | let midx = self.get_cur_blk4_idx(0) + xpos / 4 + ypos / 4 * self.blk4.stride; | |
| 681 | let ridx = self.get_cur_blk8_idx(0) + xpos / 8 + ypos / 8 * self.blk8.stride; | |
| 682 | let ridx_c = self.get_cur_blk8_idx(0) + (xpos + bw) / 8 + ypos / 8 * self.blk8.stride - if (ypos & 4) == 0 { self.blk8.stride } else { 0 }; | |
| 683 | ||
| 684 | let mv_a = self.blk4.data[midx - 1].mv[ref_l]; | |
| 685 | let mv_b = self.blk4.data[midx - self.blk4.stride].mv[ref_l]; | |
| 686 | let mut mv_c = self.blk4.data[midx - self.blk4.stride + bw / 4].mv[ref_l]; | |
| 687 | ||
| 688 | let rx = if (xpos & 4) != 0 { 0 } else { 1 }; | |
| 689 | let ry = if (ypos & 4) != 0 { 0 } else { self.blk8.stride }; | |
| 690 | let ref_a = self.blk8.data[ridx - rx].ref_idx[ref_l]; | |
| 691 | let ref_b = self.blk8.data[ridx - ry].ref_idx[ref_l]; | |
| 692 | let mut ref_c = self.blk8.data[ridx_c].ref_idx[ref_l]; | |
| 693 | ||
| 694 | if ref_c == MISSING_REF || (((xpos + bw) & 4) == 0 && (ypos & 4) != 0) { | |
| 695 | mv_c = self.blk4.data[midx - self.blk4.stride - 1].mv[ref_l]; | |
| 696 | ref_c = self.blk8.data[ridx - rx - ry].ref_idx[ref_l]; | |
| 697 | } | |
| 698 | ||
| 699 | let pred_mv = if bw == 16 && bh == 8 && ypos == 0 && ref_b == ref_idx { | |
| 700 | mv_b | |
| 701 | } else if bw == 16 && bh == 8 && ypos != 0 && ref_a == ref_idx { | |
| 702 | mv_a | |
| 703 | } else if bw == 8 && bh == 16 && xpos == 0 && ref_a == ref_idx { | |
| 704 | mv_a | |
| 705 | } else if bw == 8 && bh == 16 && xpos != 0 && ref_c == ref_idx { | |
| 706 | mv_c | |
| 707 | } else if ref_b == MISSING_REF && ref_c == MISSING_REF { | |
| 708 | mv_a | |
| 709 | } else { | |
| 710 | let count = ((ref_a == ref_idx) as u8) + ((ref_b == ref_idx) as u8) + ((ref_c == ref_idx) as u8); | |
| 711 | if count == 1 { | |
| 712 | if ref_a == ref_idx { | |
| 713 | mv_a | |
| 714 | } else if ref_b == ref_idx { | |
| 715 | mv_b | |
| 716 | } else { | |
| 717 | mv_c | |
| 718 | } | |
| 719 | } else { | |
| 720 | MV::pred(mv_a, mv_b, mv_c) | |
| 721 | } | |
| 722 | }; | |
| 723 | ||
| 724 | let mv = pred_mv + diff_mv; | |
| 725 | self.fill_mv (xpos, ypos, bw, bh, ref_l, mv); | |
| 726 | self.fill_ref(xpos, ypos, bw, bh, ref_l, ref_idx); | |
| 727 | } | |
| 728 | pub fn predict_pskip(&mut self) { | |
| 729 | let midx = self.get_cur_blk4_idx(0); | |
| 730 | let ridx = self.get_cur_blk8_idx(0); | |
| 731 | ||
| 732 | let mv_a = self.blk4.data[midx - 1].mv[0]; | |
| 733 | let mv_b = self.blk4.data[midx - self.blk4.stride].mv[0]; | |
| 734 | let mut mv_c = self.blk4.data[midx - self.blk4.stride + 4].mv[0]; | |
| 735 | ||
| 736 | let ref_a = self.blk8.data[ridx - 1].ref_idx[0]; | |
| 737 | let ref_b = self.blk8.data[ridx - self.blk8.stride].ref_idx[0]; | |
| 738 | let mut ref_c = self.blk8.data[ridx - self.blk8.stride + 2].ref_idx[0]; | |
| 739 | ||
| 740 | if ref_c == MISSING_REF { | |
| 741 | mv_c = self.blk4.data[midx - self.blk4.stride - 1].mv[0]; | |
| 742 | ref_c = self.blk8.data[ridx - self.blk8.stride - 1].ref_idx[0]; | |
| 743 | } | |
| 744 | ||
| 745 | let ref_idx = ZERO_REF; | |
| 746 | let mv = if ref_a == MISSING_REF || ref_b == MISSING_REF || (ref_a == ZERO_REF && mv_a == ZERO_MV) || (ref_b == ZERO_REF && mv_b == ZERO_MV) { | |
| 747 | ZERO_MV | |
| 748 | } else { | |
| 749 | let count = ((ref_a == ref_idx) as u8) + ((ref_b == ref_idx) as u8) + ((ref_c == ref_idx) as u8); | |
| 750 | if count == 1 { | |
| 751 | if ref_a == ref_idx { | |
| 752 | mv_a | |
| 753 | } else if ref_b == ref_idx { | |
| 754 | mv_b | |
| 755 | } else { | |
| 756 | mv_c | |
| 757 | } | |
| 758 | } else { | |
| 759 | MV::pred(mv_a, mv_b, mv_c) | |
| 760 | } | |
| 761 | }; | |
| 762 | ||
| 763 | self.fill_mv (0, 0, 16, 16, 0, mv); | |
| 764 | self.fill_ref(0, 0, 16, 16, 0, ref_idx); | |
| 765 | } | |
| 766 | pub fn predict_direct_mb(&mut self, frame_refs: &FrameRefs, temporal_mv: bool, cur_id: u16) { | |
| 767 | let (col_mb, _, _) = frame_refs.get_colocated_info(self.mb_x, self.mb_y); | |
| 768 | if col_mb.mb_type.is_16x16() || !temporal_mv { | |
| 769 | let (mv0, ref0, mv1, ref1) = self.get_direct_mv(frame_refs, temporal_mv, cur_id, 0); | |
| 770 | self.apply_to_blk4(|blk4| blk4.mv = [mv0, mv1]); | |
| 771 | self.apply_to_blk8(|blk8| blk8.ref_idx = [ref0, ref1]); | |
| 772 | } else { | |
| 773 | for blk4 in 0..16 { | |
| 774 | let (mv0, ref0, mv1, ref1) = self.get_direct_mv(frame_refs, temporal_mv, cur_id, blk4); | |
| 775 | self.get_cur_blk4(blk4).mv = [mv0, mv1]; | |
| 776 | self.get_cur_blk8(blk4_to_blk8(blk4)).ref_idx = [ref0, ref1]; | |
| 777 | } | |
| 778 | } | |
| 779 | } | |
| 780 | pub fn predict_direct_sub(&mut self, frame_refs: &FrameRefs, temporal_mv: bool, cur_id: u16, blk4: usize) { | |
| 4a1ca15c KS |
781 | let (mv0, ref0, mv1, ref1) = self.get_direct_mv(frame_refs, temporal_mv, cur_id, blk4); |
| 782 | self.get_cur_blk4(blk4).mv = [mv0, mv1]; | |
| 783 | self.get_cur_blk8(blk4_to_blk8(blk4)).ref_idx = [ref0, ref1]; | |
| 696e4e20 KS |
784 | } |
| 785 | pub fn get_direct_mv(&self, frame_refs: &FrameRefs, temporal_mv: bool, cur_id: u16, blk4: usize) -> (MV, PicRef, MV, PicRef) { | |
| 786 | let (mbi, r1_poc, r1_long) = frame_refs.get_colocated_info(self.mb_x, self.mb_y); | |
| 787 | let blk8 = blk4_to_blk8(blk4); | |
| 788 | let (col_mv, r0_poc, col_idx) = if mbi.ref_poc[blk8] == [MISSING_POC; 2] { | |
| 789 | (ZERO_MV, MISSING_POC, MISSING_REF) | |
| 790 | } else if mbi.ref_poc[blk8][0] != MISSING_POC { | |
| 791 | (mbi.mv[blk4][0], mbi.ref_poc[blk8][0], mbi.ref_idx[blk8][0]) | |
| 792 | } else { | |
| 793 | (mbi.mv[blk4][1], mbi.ref_poc[blk8][1], mbi.ref_idx[blk8][1]) | |
| 794 | }; | |
| 795 | let (col_ref, r0_long) = frame_refs.map_ref0(r0_poc); | |
| 796 | if temporal_mv { | |
| 797 | let td = (i32::from(r1_poc) - i32::from(r0_poc)).max(-128).min(127); | |
| 798 | if r0_long || td == 0 { | |
| 799 | (col_mv, col_ref, ZERO_MV, ZERO_REF) | |
| 800 | } else { | |
| 801 | let tx = (16384 + (td / 2).abs()) / td; | |
| 802 | let tb = (i32::from(cur_id) - i32::from(r0_poc)).max(-128).min(127); | |
| 803 | let scale = ((tb * tx + 32) >> 6).max(-1024).min(1023); | |
| 804 | let mv0 = MV { | |
| 805 | x: ((i32::from(col_mv.x) * scale + 128) >> 8) as i16, | |
| 806 | y: ((i32::from(col_mv.y) * scale + 128) >> 8) as i16, | |
| 807 | }; | |
| 808 | let mv1 = mv0 - col_mv; | |
| 809 | (mv0, col_ref, mv1, ZERO_REF) | |
| 810 | } | |
| 811 | } else { | |
| 812 | let blk4 = 0; // we generate the same MV prediction for the whole MB | |
| 813 | let blk8 = blk4_to_blk8(blk4); | |
| 814 | let midx = self.get_cur_blk4_idx(blk4); | |
| 815 | let ridx = self.get_cur_blk8_idx(blk8); | |
| 816 | let ridx_c = self.get_cur_blk8_idx(blk8) + 16 / 8 - self.blk8.stride; | |
| 817 | ||
| 818 | let mv_a = self.blk4.data[midx - 1].mv; | |
| 819 | let mv_b = self.blk4.data[midx - self.blk4.stride].mv; | |
| 820 | let mut mv_c = self.blk4.data[midx - self.blk4.stride + 16 / 4].mv; | |
| 821 | ||
| 822 | let ref_a = self.blk8.data[ridx - 1].ref_idx; | |
| 823 | let ref_b = self.blk8.data[ridx - self.blk8.stride].ref_idx; | |
| 824 | let mut ref_c = self.blk8.data[ridx_c].ref_idx; | |
| 825 | ||
| 826 | if ref_c == [MISSING_REF; 2] { | |
| 827 | mv_c = self.blk4.data[midx - self.blk4.stride - 1].mv; | |
| 828 | ref_c = self.blk8.data[ridx - self.blk8.stride - 1].ref_idx; | |
| 829 | } | |
| 830 | let mut refs = [INVALID_REF; 2]; | |
| 831 | for cur_ref in [ref_a, ref_b, ref_c].iter() { | |
| 832 | refs[0] = refs[0].min_pos(cur_ref[0]); | |
| 833 | refs[1] = refs[1].min_pos(cur_ref[1]); | |
| 834 | } | |
| 835 | if refs == [INVALID_REF; 2] { | |
| 836 | return (ZERO_MV, ZERO_REF, ZERO_MV, ZERO_REF); | |
| 837 | } | |
| 838 | ||
| 839 | let mut col_zero = true; | |
| 840 | if r1_long || col_idx != ZERO_REF { | |
| 841 | col_zero = false; | |
| 842 | } | |
| 843 | if col_mv.x.abs() > 1 || col_mv.y.abs() > 1 { | |
| 844 | col_zero = false; | |
| 845 | } | |
| 846 | let mut mvs = [ZERO_MV; 2]; | |
| 847 | for ref_l in 0..2 { | |
| 848 | if mbi.mb_type.is_intra() || (!refs[ref_l].not_avail() && !(refs[ref_l] == ZERO_REF && col_zero)) { | |
| 849 | let ref_idx = refs[ref_l]; | |
| 850 | mvs[ref_l] = if ref_b[ref_l] == MISSING_REF && ref_c[ref_l] == MISSING_REF { | |
| 851 | mv_a[ref_l] | |
| 852 | } else { | |
| 853 | let count = ((ref_a[ref_l] == ref_idx) as u8) + ((ref_b[ref_l] == ref_idx) as u8) + ((ref_c[ref_l] == ref_idx) as u8); | |
| 854 | if count == 1 { | |
| 855 | if ref_a[ref_l] == ref_idx { | |
| 856 | mv_a[ref_l] | |
| 857 | } else if ref_b[ref_l] == ref_idx { | |
| 858 | mv_b[ref_l] | |
| 859 | } else { | |
| 860 | mv_c[ref_l] | |
| 861 | } | |
| 862 | } else { | |
| 863 | MV::pred(mv_a[ref_l], mv_b[ref_l], mv_c[ref_l]) | |
| 864 | } | |
| 865 | }; | |
| 866 | } | |
| 867 | } | |
| 868 | (mvs[0], refs[0], mvs[1], refs[1]) | |
| 869 | } | |
| 870 | } | |
| 871 | pub fn fill_mv(&mut self, xpos: usize, ypos: usize, bw: usize, bh: usize, ref_l: usize, mv: MV) { | |
| 872 | let start = self.get_cur_blk4_idx(0) + xpos / 4 + ypos / 4 * self.blk4.stride; | |
| 873 | for row in self.blk4.data[start..].chunks_mut(self.blk4.stride).take(bh / 4) { | |
| 874 | for blk in row[..bw / 4].iter_mut() { | |
| 875 | blk.mv[ref_l] = mv; | |
| 876 | } | |
| 877 | } | |
| 878 | } | |
| 879 | pub fn fill_mvd(&mut self, xpos: usize, ypos: usize, bw: usize, bh: usize, ref_l: usize, mv: MV) { | |
| 880 | let mvd = MV{ x: mv.x.abs().min(128), y: mv.y.abs().min(128) }; | |
| 881 | let start = self.get_cur_blk4_idx(0) + xpos / 4 + ypos / 4 * self.blk4.stride; | |
| 882 | for row in self.blk4.data[start..].chunks_mut(self.blk4.stride).take(bh / 4) { | |
| 883 | for blk in row[..bw / 4].iter_mut() { | |
| 884 | blk.mvd[ref_l] = mvd; | |
| 885 | } | |
| 886 | } | |
| 887 | } | |
| 888 | pub fn fill_ref(&mut self, xpos: usize, ypos: usize, bw: usize, bh: usize, ref_l: usize, ref_idx: PicRef) { | |
| 889 | let start = self.get_cur_blk8_idx(0) + xpos / 8 + ypos / 8 * self.blk8.stride; | |
| 890 | if bw < 8 || bh < 8 { | |
| 891 | self.blk8.data[start].ref_idx[ref_l] = ref_idx; | |
| 892 | } else { | |
| 893 | for row in self.blk8.data[start..].chunks_mut(self.blk8.stride).take(bh / 8) { | |
| 894 | for blk in row[..bw / 8].iter_mut() { | |
| 895 | blk.ref_idx[ref_l] = ref_idx; | |
| 896 | } | |
| 897 | } | |
| 898 | } | |
| 899 | } | |
| 900 | } | |
| 901 | ||
| 902 | fn mvdiff4(mv1: MV, mv2: MV) -> bool { | |
| 903 | let mv = mv1 - mv2; | |
| 904 | (mv.x.abs() >= 4) || (mv.y.abs() >= 4) | |
| 905 | } |