| 1 | use nihav_core::formats::YUV420_FORMAT; |
| 2 | use nihav_core::frame::*; |
| 3 | use nihav_core::codecs::{NADecoder, NADecoderSupport, MV, ZERO_MV, DecoderError, DecoderResult, IPBShuffler}; |
| 4 | use nihav_core::io::byteio::{MemoryReader,ByteReader}; |
| 5 | use nihav_core::io::bitreader::{BitReader,BitReaderMode}; |
| 6 | use nihav_core::io::intcode::*; |
| 7 | |
| 8 | use super::rv60codes::*; |
| 9 | use super::rv60dsp::*; |
| 10 | |
| 11 | struct UniqueList<A> { |
| 12 | list: [A; 4], |
| 13 | fill: usize, |
| 14 | max_size: usize, |
| 15 | } |
| 16 | |
| 17 | impl<A:Copy+Default+PartialEq> UniqueList<A> { |
| 18 | fn new(max_size: usize) -> Self { |
| 19 | Self { list: [A::default(); 4], fill: 0, max_size } |
| 20 | } |
| 21 | fn add(&mut self, cand: A) { |
| 22 | if self.fill == self.max_size { return; } |
| 23 | let mut unique = true; |
| 24 | for el in self.list.into_iter().take(self.fill) { |
| 25 | if *el == cand { |
| 26 | unique = false; |
| 27 | break; |
| 28 | } |
| 29 | } |
| 30 | if unique { |
| 31 | self.list[self.fill] = cand; |
| 32 | self.fill += 1; |
| 33 | } |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | const RV60_FRAME_TYPES: [FrameType; 4] = [ FrameType::I, FrameType::P, FrameType::B, FrameType::Other ]; |
| 38 | const MAX_IMODE: u8 = 34; |
| 39 | |
| 40 | #[derive(Clone,Copy,Debug)] |
| 41 | struct FrameHeader { |
| 42 | profile: u8, |
| 43 | ftype: FrameType, |
| 44 | qp: u8, |
| 45 | osvquant: u8, |
| 46 | ts: u32, |
| 47 | width: usize, |
| 48 | height: usize, |
| 49 | two_f_refs: bool, |
| 50 | qp_off_type: u8, |
| 51 | deblock: bool, |
| 52 | deblock_chroma: bool, |
| 53 | } |
| 54 | |
| 55 | const RV60_CUSTOM_MSG_LENS: [u32; 4] = [ 2, 4, 16, 32 ]; |
| 56 | impl FrameHeader { |
| 57 | fn read(br: &mut BitReader) -> DecoderResult<Self> { |
| 58 | let marker = br.read(2)?; |
| 59 | validate!(marker == 3); |
| 60 | let profile = br.read(2)? as u8; |
| 61 | validate!(profile == 0); |
| 62 | let _someval = br.read(4)?; |
| 63 | let ftypeid = br.read(2)? as usize; |
| 64 | let ftype = RV60_FRAME_TYPES[ftypeid]; |
| 65 | let qp = br.read(6)? as u8; |
| 66 | let marker = br.read(1)?; |
| 67 | validate!(marker == 0); |
| 68 | let toolset = br.read(2)?; |
| 69 | validate!(toolset == 0); |
| 70 | let osvquant = br.read(2)? as u8; |
| 71 | let _some_flag = br.read_bool()?; |
| 72 | let _some_val = br.read(2)?; |
| 73 | let ts = br.read(24)?; |
| 74 | let width = ((br.read(11)? as usize) + 1) * 4; |
| 75 | let height = ((br.read(11)? as usize) + 0) * 4; |
| 76 | validate!(height > 0); |
| 77 | let _some_flag = br.read_bool()?; |
| 78 | let two_f_refs; |
| 79 | if ftype == FrameType::I { |
| 80 | //byte17 = 0 |
| 81 | two_f_refs = false; |
| 82 | } else { |
| 83 | let flag = br.read_bool()?; |
| 84 | if flag { // untested |
| 85 | br.skip(1)?; |
| 86 | br.skip(1)?; |
| 87 | br.skip(1)?; |
| 88 | } |
| 89 | //byte17 = flag? |
| 90 | two_f_refs = br.read_bool()?; |
| 91 | } |
| 92 | // if byte17 { dw40 = 2; dw3C = 2; } else { dw40 = 1; dw3C = 1; } |
| 93 | let _some_val = br.read_code(UintCodeType::Unary012)?; // luma_qp_diff? |
| 94 | let chroma_qp_diff = br.read(1)?; |
| 95 | validate!(chroma_qp_diff == 0); |
| 96 | let qp_off_type = br.read_code(UintCodeType::Unary012)? as u8; |
| 97 | let deblock = br.read_bool()?; |
| 98 | let deblock_chroma = deblock && !br.read_bool()?; |
| 99 | if br.read_bool()? { |
| 100 | let custom_msg_hdr_len = br.read(2)? as usize; |
| 101 | if custom_msg_hdr_len != 0 { |
| 102 | for i in 0..custom_msg_hdr_len { |
| 103 | br.skip(RV60_CUSTOM_MSG_LENS[i] * 8)?; |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | Ok(FrameHeader { |
| 109 | profile, ftype, qp, osvquant, ts, width, height, two_f_refs, qp_off_type, |
| 110 | deblock, deblock_chroma, |
| 111 | }) |
| 112 | } |
| 113 | fn parse_slice_sizes(&self, br: &mut BitReader, sizes: &mut Vec<usize>) -> DecoderResult<()> { |
| 114 | let nslices = self.get_height_cu(); |
| 115 | let nbits = (br.read(5)? as u8) + 1; |
| 116 | validate!(nbits < 32); |
| 117 | let mut signs: Vec<bool> = Vec::with_capacity(nslices); |
| 118 | for _ in 0..nslices { |
| 119 | let sign = br.read_bool()?; |
| 120 | signs.push(sign); |
| 121 | } |
| 122 | validate!(signs[0]); |
| 123 | sizes.truncate(0); |
| 124 | let mut sum = 0; |
| 125 | let first_size = br.read(nbits)? as usize; |
| 126 | validate!(first_size > 0); |
| 127 | sum += first_size; |
| 128 | let mut lastsize = first_size; |
| 129 | sizes.push(first_size); |
| 130 | for i in 1..nslices { |
| 131 | let diff = br.read(nbits)? as isize; |
| 132 | let size; |
| 133 | if signs[i] { |
| 134 | let sum = (lastsize as isize).checked_add(diff); |
| 135 | validate!(sum.is_some()); |
| 136 | size = sum.unwrap() as usize; |
| 137 | } else { |
| 138 | let sum = (lastsize as isize).checked_sub(diff); |
| 139 | validate!(sum.is_some()); |
| 140 | size = sum.unwrap() as usize; |
| 141 | } |
| 142 | sizes.push(size); |
| 143 | sum += size; |
| 144 | lastsize = size; |
| 145 | } |
| 146 | br.align(); |
| 147 | if ((br.left() >> 3) as usize) != sum { |
| 148 | println!(" left {} / {}", br.left() >> 3, sum); |
| 149 | } |
| 150 | validate!((br.left() >> 3) >= (sum as isize)); |
| 151 | Ok(()) |
| 152 | } |
| 153 | fn read_line_qp_offset(&self, br: &mut BitReader) -> DecoderResult<i8> { |
| 154 | match self.qp_off_type { |
| 155 | 0 => Ok(0), |
| 156 | 1 => { |
| 157 | let val = br.read_code(UintCodeType::Unary012)?; |
| 158 | if val != 2 { |
| 159 | Ok(val as i8) |
| 160 | } else { |
| 161 | Ok(-1) |
| 162 | } |
| 163 | }, |
| 164 | _ => { |
| 165 | if br.read(1)? == 0 { |
| 166 | Ok(0) |
| 167 | } else { |
| 168 | let val = br.read(2)? as i8; |
| 169 | if (val & 2) == 0 { |
| 170 | Ok(val + 1) |
| 171 | } else { |
| 172 | Ok(-((val & 1) + 1)) |
| 173 | } |
| 174 | } |
| 175 | }, |
| 176 | } |
| 177 | } |
| 178 | fn get_width_cu(&self) -> usize { |
| 179 | (self.width + 63) >> 6 |
| 180 | } |
| 181 | fn get_height_cu(&self) -> usize { |
| 182 | (self.height + 63) >> 6 |
| 183 | } |
| 184 | fn has_top_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { |
| 185 | if (ypos + dy) == 0 { return false; } |
| 186 | let xpos2 = xpos + dx; |
| 187 | if (xpos2 + size) > self.width { return false; } |
| 188 | true |
| 189 | } |
| 190 | fn has_top_right_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { |
| 191 | if (ypos + dy) == 0 { return false; } |
| 192 | let xpos2 = xpos + dx; |
| 193 | if (xpos2 + size * 2) > self.width { return false; } |
| 194 | let cxpos = ((xpos + dx) & 63) >> RV60_BLOCK_LOG2[size]; |
| 195 | let cypos = ((ypos + dy) & 63) >> RV60_BLOCK_LOG2[size]; |
| 196 | ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) == 0 |
| 197 | } |
| 198 | fn has_left_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { |
| 199 | if (xpos + dx) == 0 { return false; } |
| 200 | let ypos2 = ypos + dy; |
| 201 | if (ypos2 + size) > self.height { return false; } |
| 202 | true |
| 203 | } |
| 204 | fn has_left_down_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { |
| 205 | if (xpos + dx) == 0 { return false; } |
| 206 | let ypos2 = ypos + dy; |
| 207 | if (ypos2 + size * 2) > self.height { return false; } |
| 208 | let cxpos = (!(xpos + dx) & 63) >> RV60_BLOCK_LOG2[size]; |
| 209 | let cypos = (!(ypos + dy) & 63) >> RV60_BLOCK_LOG2[size]; |
| 210 | ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) >= 1 |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | const RV60_BLOCK_LOG2: [u8; 65] = [ |
| 215 | 0, |
| 216 | 0, 1, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, |
| 217 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, |
| 218 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 219 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6 |
| 220 | ]; |
| 221 | const RV60_AVAIL_MASK: [u8; 64] = [ |
| 222 | 0, 1, 0, 3, 0, 1, 0, 7, 0, 1, 0, 3, 0, 1, 0, 0, |
| 223 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 224 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 225 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
| 226 | ]; |
| 227 | |
| 228 | #[derive(Clone,Copy,PartialEq,Debug)] |
| 229 | enum CUType { |
| 230 | Intra, |
| 231 | InterMV, |
| 232 | Skip, |
| 233 | InterNoMV, |
| 234 | } |
| 235 | |
| 236 | impl Default for CUType { |
| 237 | fn default() -> Self { CUType::Intra } |
| 238 | } |
| 239 | |
| 240 | const RV60_CU_TYPES: [CUType; 4] = [ CUType::Intra, CUType::InterMV, CUType::Skip, CUType::InterNoMV ]; |
| 241 | |
| 242 | #[derive(Clone,Copy,PartialEq,Debug)] |
| 243 | enum PUType { |
| 244 | Full, |
| 245 | N2Hor, |
| 246 | N2Ver, |
| 247 | Quarters, |
| 248 | N4Hor, |
| 249 | N34Hor, |
| 250 | N4Ver, |
| 251 | N34Ver, |
| 252 | } |
| 253 | |
| 254 | const RV60_PU_TYPES: [PUType; 8] = [ |
| 255 | PUType::Full, PUType::N2Hor, PUType::N2Ver, PUType::Quarters, |
| 256 | PUType::N4Hor, PUType::N34Hor, PUType::N4Ver, PUType::N34Ver, |
| 257 | ]; |
| 258 | |
| 259 | impl PUType { |
| 260 | fn get_num_mvs(&self) -> usize { |
| 261 | match *self { |
| 262 | PUType::Full => 1, |
| 263 | PUType::Quarters => 4, |
| 264 | _ => 2, |
| 265 | } |
| 266 | } |
| 267 | fn get_mv_size(&self, part_no: usize, size: usize) -> (usize, usize) { |
| 268 | let mv_size = size >> 2; |
| 269 | match *self { |
| 270 | PUType::Full => (mv_size, mv_size), |
| 271 | PUType::N2Hor => (mv_size, mv_size >> 1), |
| 272 | PUType::N2Ver => (mv_size >> 1, mv_size), |
| 273 | PUType::Quarters => (mv_size >> 1, mv_size >> 1), |
| 274 | PUType::N4Hor => { |
| 275 | if part_no == 0 { |
| 276 | (mv_size, mv_size >> 2) |
| 277 | } else { |
| 278 | (mv_size, 3 * mv_size >> 2) |
| 279 | } |
| 280 | }, |
| 281 | PUType::N34Hor => { |
| 282 | if part_no == 0 { |
| 283 | (mv_size, 3 * mv_size >> 2) |
| 284 | } else { |
| 285 | (mv_size, mv_size >> 2) |
| 286 | } |
| 287 | }, |
| 288 | PUType::N4Ver => { |
| 289 | if part_no == 0 { |
| 290 | ( mv_size >> 2, mv_size) |
| 291 | } else { |
| 292 | (3 * mv_size >> 2, mv_size) |
| 293 | } |
| 294 | }, |
| 295 | PUType::N34Ver => { |
| 296 | if part_no == 0 { |
| 297 | (3 * mv_size >> 2, mv_size) |
| 298 | } else { |
| 299 | ( mv_size >> 2, mv_size) |
| 300 | } |
| 301 | }, |
| 302 | } |
| 303 | } |
| 304 | fn has_hor_split(&self) -> bool { |
| 305 | match *self { |
| 306 | PUType::N2Hor | PUType::N4Hor | PUType::N34Hor | PUType::Quarters => true, |
| 307 | _ => false, |
| 308 | } |
| 309 | } |
| 310 | fn has_ver_split(&self) -> bool { |
| 311 | match *self { |
| 312 | PUType::N2Ver | PUType::N4Ver | PUType::N34Ver | PUType::Quarters => true, |
| 313 | _ => false, |
| 314 | } |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | impl Default for PUType { |
| 319 | fn default() -> Self { PUType::Full } |
| 320 | } |
| 321 | |
| 322 | #[derive(Clone,Copy,Debug)] |
| 323 | enum IntraMode { |
| 324 | Index(u8), |
| 325 | Mode(u8), |
| 326 | DC64, |
| 327 | Plane64, |
| 328 | } |
| 329 | |
| 330 | #[derive(Clone,Copy,PartialEq,Debug)] |
| 331 | enum TransformType { |
| 332 | None, |
| 333 | T4X4, |
| 334 | T8X8, |
| 335 | T16X16, |
| 336 | } |
| 337 | |
| 338 | impl Default for TransformType { |
| 339 | fn default() -> Self { TransformType::None } |
| 340 | } |
| 341 | |
| 342 | #[derive(Clone,Copy,PartialEq,Debug)] |
| 343 | enum MVRef { |
| 344 | None, |
| 345 | Ref0, |
| 346 | Ref1, |
| 347 | BRef, |
| 348 | Ref0AndBRef, |
| 349 | Skip0, |
| 350 | Skip1, |
| 351 | Skip2, |
| 352 | Skip3, |
| 353 | } |
| 354 | |
| 355 | const SKIP_MV_REF: [MVRef; 4] = [ MVRef::Skip0, MVRef::Skip1, MVRef::Skip2, MVRef::Skip3 ]; |
| 356 | |
| 357 | impl MVRef { |
| 358 | fn get_skip_mv_num(&self) -> usize { |
| 359 | match *self { |
| 360 | MVRef::Skip1 => 1, |
| 361 | MVRef::Skip2 => 2, |
| 362 | MVRef::Skip3 => 3, |
| 363 | _ => 0, |
| 364 | } |
| 365 | } |
| 366 | fn is_ref0(&self) -> bool { |
| 367 | match *self { |
| 368 | MVRef::Ref0 | MVRef::Ref0AndBRef => true, |
| 369 | _ => false, |
| 370 | } |
| 371 | } |
| 372 | fn is_fwd(&self) -> bool { |
| 373 | match *self { |
| 374 | MVRef::Ref0 | MVRef::Ref1 | MVRef::Ref0AndBRef => true, |
| 375 | _ => false, |
| 376 | } |
| 377 | } |
| 378 | fn is_bwd(&self) -> bool { |
| 379 | match *self { |
| 380 | MVRef::BRef | MVRef::Ref0AndBRef => true, |
| 381 | _ => false, |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | #[derive(Clone,Copy,PartialEq,Debug)] |
| 387 | struct MVInfo { |
| 388 | f_mv: MV, |
| 389 | b_mv: MV, |
| 390 | mvref: MVRef, |
| 391 | } |
| 392 | |
| 393 | impl MVInfo { |
| 394 | fn is_some(&self) -> bool { self.mvref != MVRef::None } |
| 395 | fn matches_fwd(&self, mvref: MVRef) -> bool { |
| 396 | (self.mvref == mvref) || (self.mvref.is_ref0() && mvref.is_ref0()) |
| 397 | } |
| 398 | fn matches_bwd(&self, mvref: MVRef) -> bool { |
| 399 | self.mvref.is_bwd() && mvref.is_bwd() |
| 400 | } |
| 401 | fn is_deblock_cand(&self, other: &MVInfo) -> bool { |
| 402 | if self.mvref != other.mvref { return true; } |
| 403 | let mut mvdiff = 0; |
| 404 | if self.mvref.is_fwd() { |
| 405 | let diff = self.f_mv - other.f_mv; |
| 406 | mvdiff += diff.x.abs() + diff.y.abs(); |
| 407 | } |
| 408 | if self.mvref.is_bwd() { |
| 409 | let diff = self.b_mv - other.b_mv; |
| 410 | mvdiff += diff.x.abs() + diff.y.abs(); |
| 411 | } |
| 412 | mvdiff > 4 |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | impl Default for MVInfo { |
| 417 | fn default() -> Self { Self { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::None } } |
| 418 | } |
| 419 | |
| 420 | #[derive(Clone,Copy,Debug)] |
| 421 | struct CBHeader { |
| 422 | cu_type: CUType, |
| 423 | pu_type: PUType, |
| 424 | ttype: TransformType, |
| 425 | imode: [IntraMode; 4], |
| 426 | mv: [MVInfo; 4], |
| 427 | } |
| 428 | |
| 429 | impl CBHeader { |
| 430 | fn read(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize) -> DecoderResult<Self> { |
| 431 | let cu_type; |
| 432 | let pu_type; |
| 433 | let mut imode: [IntraMode; 4] = [IntraMode::Index(0); 4]; |
| 434 | let mut mv: [MVInfo; 4] = [MVInfo::default(); 4]; |
| 435 | if ftype == FrameType::I { |
| 436 | cu_type = CUType::Intra; |
| 437 | } else { |
| 438 | cu_type = RV60_CU_TYPES[br.read(2)? as usize]; |
| 439 | } |
| 440 | match cu_type { |
| 441 | CUType::Intra => { |
| 442 | if (size == 8) && br.read_bool()? { |
| 443 | pu_type = PUType::Quarters; |
| 444 | } else { |
| 445 | pu_type = PUType::Full; |
| 446 | } |
| 447 | if pu_type == PUType::Quarters { |
| 448 | for i in 0..4 { |
| 449 | imode[i] = CBHeader::read_intra_mode(br)?; |
| 450 | } |
| 451 | } else if size <= 32 { |
| 452 | imode[0] = CBHeader::read_intra_mode(br)?; |
| 453 | } else { |
| 454 | if !br.read_bool()? { |
| 455 | imode[0] = IntraMode::DC64; |
| 456 | } else { |
| 457 | imode[0] = IntraMode::Plane64; |
| 458 | } |
| 459 | } |
| 460 | }, |
| 461 | CUType::InterMV => { |
| 462 | let bits = if size == 8 { 2 } else { 3 }; |
| 463 | pu_type = RV60_PU_TYPES[br.read(bits)? as usize]; |
| 464 | CBHeader::read_mv_data(br, ftype, two_f_refs, size, pu_type, &mut mv)?; |
| 465 | }, |
| 466 | _ => { |
| 467 | pu_type = PUType::Full; |
| 468 | let skip_mv_no = br.read_code(UintCodeType::LimitedUnary(3, 0))?; |
| 469 | mv[0].mvref = SKIP_MV_REF[skip_mv_no as usize]; |
| 470 | }, |
| 471 | }; |
| 472 | let ttype; |
| 473 | if cu_type == CUType::Skip { |
| 474 | ttype = TransformType::None; |
| 475 | } else if size >= 32 { |
| 476 | ttype = TransformType::T16X16; |
| 477 | } else if size == 16 { |
| 478 | if (cu_type == CUType::Intra) || (pu_type == PUType::Full) { |
| 479 | ttype = TransformType::T16X16; |
| 480 | } else { |
| 481 | ttype = TransformType::T4X4; |
| 482 | } |
| 483 | } else { |
| 484 | if pu_type == PUType::Full { |
| 485 | ttype = TransformType::T8X8; |
| 486 | } else { |
| 487 | ttype = TransformType::T4X4; |
| 488 | } |
| 489 | } |
| 490 | Ok(Self { |
| 491 | cu_type, pu_type, ttype, imode, mv, |
| 492 | }) |
| 493 | } |
| 494 | fn read_intra_mode(br: &mut BitReader) -> DecoderResult<IntraMode> { |
| 495 | if br.read_bool()? { |
| 496 | let idx = br.read_code(UintCodeType::Unary012)? as u8; |
| 497 | Ok(IntraMode::Index(idx)) |
| 498 | } else { |
| 499 | let mode = br.read(5)? as u8; |
| 500 | Ok(IntraMode::Mode(mode)) |
| 501 | } |
| 502 | } |
| 503 | fn read_mv_data(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize, pu_type: PUType, mv: &mut [MVInfo; 4]) -> DecoderResult<()> { |
| 504 | let mv_count = pu_type.get_num_mvs(); |
| 505 | for i in 0..mv_count { |
| 506 | mv[i] = CBHeader::read_mv_info(br, ftype, two_f_refs, size, pu_type)?; |
| 507 | } |
| 508 | Ok(()) |
| 509 | } |
| 510 | fn read_mv_info(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize, pu_type: PUType) -> DecoderResult<MVInfo> { |
| 511 | let mut f_mv = ZERO_MV; |
| 512 | let mut b_mv = ZERO_MV; |
| 513 | let mvref; |
| 514 | if ftype != FrameType::B { |
| 515 | if two_f_refs && br.read_bool()? { |
| 516 | mvref = MVRef::Ref1; |
| 517 | } else { |
| 518 | mvref = MVRef::Ref0; |
| 519 | } |
| 520 | f_mv = CBHeader::read_mv(br)?; |
| 521 | Ok(MVInfo { f_mv, b_mv: ZERO_MV, mvref }) |
| 522 | } else { |
| 523 | if ((size <= 8) && ((size != 8) || (pu_type != PUType::Full))) || br.read_bool()? { |
| 524 | if !br.read_bool()? { |
| 525 | mvref = MVRef::Ref0; |
| 526 | f_mv = CBHeader::read_mv(br)?; |
| 527 | } else { |
| 528 | mvref = MVRef::BRef; |
| 529 | b_mv = CBHeader::read_mv(br)?; |
| 530 | } |
| 531 | } else { |
| 532 | mvref = MVRef::Ref0AndBRef; |
| 533 | f_mv = CBHeader::read_mv(br)?; |
| 534 | b_mv = CBHeader::read_mv(br)?; |
| 535 | } |
| 536 | Ok(MVInfo { f_mv, b_mv, mvref }) |
| 537 | } |
| 538 | } |
| 539 | fn read_mv(br: &mut BitReader) -> DecoderResult<MV> { |
| 540 | let x = br.read_code_signed(IntCodeType::Gamma)? as i16; |
| 541 | let y = br.read_code_signed(IntCodeType::Gamma)? as i16; |
| 542 | Ok(MV { x, y }) |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | #[derive(Clone,Copy,Default)] |
| 547 | struct PUInfo { |
| 548 | cu_type: CUType, |
| 549 | ttype: TransformType, |
| 550 | } |
| 551 | |
| 552 | impl PUInfo { |
| 553 | fn is_intra(&self) -> bool { self.cu_type == CUType::Intra } |
| 554 | } |
| 555 | |
| 556 | const RV60_CANDIDATE_INTRA_ANGLES: [u8; 6] = [ 0, 1, 10, 26, 18, 2 ]; |
| 557 | |
| 558 | #[derive(Clone,Copy,Default)] |
| 559 | struct BlockInfo { |
| 560 | mv: MVInfo, |
| 561 | imode: u8, |
| 562 | } |
| 563 | |
| 564 | struct DeblockInfo { |
| 565 | left_str: Vec<u8>, |
| 566 | top_str: Vec<u8>, |
| 567 | stride: usize, |
| 568 | } |
| 569 | |
| 570 | impl DeblockInfo { |
| 571 | fn new() -> Self { |
| 572 | Self { left_str: Vec::new(), top_str: Vec::new(), stride: 0 } |
| 573 | } |
| 574 | fn reinit(&mut self, w: usize, h: usize) { |
| 575 | self.left_str.clear(); |
| 576 | self.top_str.clear(); |
| 577 | self.stride = w >> 2; |
| 578 | let size = self.stride * (h >> 2); |
| 579 | self.left_str.resize(size, 0); |
| 580 | self.top_str.resize(size, 0); |
| 581 | } |
| 582 | fn set_strength(&mut self, xpos: usize, ypos: usize, size: usize, q: u8, strength: u8) { |
| 583 | let pos = self.get_pos(xpos, ypos); |
| 584 | let dsize = size >> 2; |
| 585 | let dval = (q << 2) | strength; |
| 586 | for x in 0..dsize { |
| 587 | self.top_str[pos + x] = dval; |
| 588 | } |
| 589 | for y in 0..dsize { |
| 590 | self.left_str[pos + y * self.stride] = dval; |
| 591 | } |
| 592 | } |
| 593 | fn get_pos(&self, xpos: usize, ypos: usize) -> usize { |
| 594 | (xpos >> 2) + (ypos >> 2) * self.stride |
| 595 | } |
| 596 | fn get_top_strength(&self, pos: usize) -> u8 { |
| 597 | self.top_str[pos] & 3 |
| 598 | } |
| 599 | fn get_left_strength(&self, pos: usize) -> u8 { |
| 600 | self.left_str[pos] & 3 |
| 601 | } |
| 602 | fn set_top_strength(&mut self, pos: usize, str: u8) { |
| 603 | self.top_str[pos] |= str; |
| 604 | } |
| 605 | fn set_left_strength(&mut self, pos: usize, str: u8) { |
| 606 | self.left_str[pos] |= str; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | struct RealVideo60Decoder { |
| 611 | info: NACodecInfoRef, |
| 612 | cbs: RV60Codebooks, |
| 613 | ipbs: IPBShuffler, |
| 614 | dsp: RV60DSP, |
| 615 | ipred: IntraPredContext, |
| 616 | |
| 617 | avg_buf: NAVideoBufferRef<u8>, |
| 618 | |
| 619 | y_coeffs: [i16; 16 * 16], |
| 620 | u_coeffs: [i16; 8 * 8], |
| 621 | v_coeffs: [i16; 8 * 8], |
| 622 | qp: u8, |
| 623 | sel_qp: u8, |
| 624 | |
| 625 | cu_splits: Vec<bool>, |
| 626 | coded_blk: [bool; 64], |
| 627 | dblk: DeblockInfo, |
| 628 | |
| 629 | pu_info: Vec<PUInfo>, |
| 630 | pu_stride: usize, |
| 631 | pu_pos: usize, |
| 632 | |
| 633 | blk_info: Vec<BlockInfo>, |
| 634 | blk_stride: usize, |
| 635 | blk_pos: usize, |
| 636 | |
| 637 | xpos: usize, |
| 638 | ypos: usize, |
| 639 | } |
| 640 | |
| 641 | impl RealVideo60Decoder { |
| 642 | fn new() -> Self { |
| 643 | let tmp_vinfo = NAVideoInfo::new(64, 64, false, YUV420_FORMAT); |
| 644 | let vt = alloc_video_buffer(tmp_vinfo, 4).unwrap(); |
| 645 | let vb = vt.get_vbuf(); |
| 646 | let avg_buf = vb.unwrap(); |
| 647 | RealVideo60Decoder{ |
| 648 | info: NACodecInfoRef::default(), |
| 649 | cbs: RV60Codebooks::init(), |
| 650 | ipbs: IPBShuffler::new(), |
| 651 | ipred: IntraPredContext::new(), |
| 652 | dsp: RV60DSP::new(), |
| 653 | avg_buf: avg_buf, |
| 654 | y_coeffs: [0; 16 * 16], |
| 655 | u_coeffs: [0; 8 * 8], |
| 656 | v_coeffs: [0; 8 * 8], |
| 657 | qp: 0, |
| 658 | sel_qp: 0, |
| 659 | cu_splits: Vec::with_capacity(24), |
| 660 | coded_blk: [false; 64], |
| 661 | dblk: DeblockInfo::new(), |
| 662 | pu_info: Vec::new(), |
| 663 | pu_stride: 0, |
| 664 | pu_pos: 0, |
| 665 | blk_info: Vec::new(), |
| 666 | blk_stride: 0, |
| 667 | blk_pos: 0, |
| 668 | xpos: 0, |
| 669 | ypos: 0, |
| 670 | } |
| 671 | } |
| 672 | fn decode_cu_line(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, src: &[u8], cu_y: usize) -> DecoderResult<()> { |
| 673 | let mut br = BitReader::new(src, src.len(), BitReaderMode::BE); |
| 674 | let cu_w = hdr.get_width_cu(); |
| 675 | let dqp = hdr.read_line_qp_offset(&mut br)?; |
| 676 | let qps = (hdr.qp as i8) + dqp; |
| 677 | validate!((qps >= 0) && (qps < 32)); |
| 678 | let qp = qps as u8; |
| 679 | self.qp = qp; |
| 680 | self.sel_qp = match hdr.osvquant { |
| 681 | 0 => qp, |
| 682 | 1 => { |
| 683 | if qp <= 25 { |
| 684 | qp + 5 |
| 685 | } else { |
| 686 | qp |
| 687 | } |
| 688 | }, |
| 689 | _ => { |
| 690 | if qp <= 18 { |
| 691 | qp + 10 |
| 692 | } else if qp <= 25 { |
| 693 | qp + 5 |
| 694 | } else { |
| 695 | qp |
| 696 | } |
| 697 | }, |
| 698 | }; |
| 699 | |
| 700 | for cu_x in 0..cu_w { |
| 701 | self.cu_splits.clear(); |
| 702 | self.coded_blk = [false; 64]; |
| 703 | self.decode_cb_tree(buf, hdr, &mut br, cu_x << 6, cu_y << 6, 6)?; |
| 704 | if hdr.deblock { |
| 705 | self.cu_splits.reverse(); |
| 706 | self.deblock_cb_tree(buf, hdr, cu_x << 6, cu_y << 6, 6); |
| 707 | } |
| 708 | } |
| 709 | if br.left() >= 8 { |
| 710 | println!(" left {} bits", br.left()); |
| 711 | } |
| 712 | Ok(()) |
| 713 | } |
| 714 | fn decode_cb_tree(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, br: &mut BitReader, xpos: usize, ypos: usize, log_size: u8) -> DecoderResult<()> { |
| 715 | if (xpos >= hdr.width) || (ypos >= hdr.height) { return Ok(()); } |
| 716 | |
| 717 | let size = 1 << log_size; |
| 718 | let split = (xpos + size > hdr.width) || (ypos + size > hdr.height) || (size > 8 && br.read_bool()?); |
| 719 | self.cu_splits.push(split); |
| 720 | if split { |
| 721 | let hsize = size >> 1; |
| 722 | self.decode_cb_tree(buf, hdr, br, xpos, ypos, log_size - 1)?; |
| 723 | self.decode_cb_tree(buf, hdr, br, xpos + hsize, ypos, log_size - 1)?; |
| 724 | self.decode_cb_tree(buf, hdr, br, xpos, ypos + hsize, log_size - 1)?; |
| 725 | self.decode_cb_tree(buf, hdr, br, xpos + hsize, ypos + hsize, log_size - 1)?; |
| 726 | } else { |
| 727 | let cbh = CBHeader::read(br, hdr.ftype, hdr.two_f_refs, size)?; |
| 728 | self.pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride; |
| 729 | self.blk_pos = (xpos >> 2) + (ypos >> 2) * self.blk_stride; |
| 730 | self.xpos = xpos; |
| 731 | self.ypos = ypos; |
| 732 | self.reconstruct_info(hdr, &cbh, size)?; |
| 733 | |
| 734 | let split_i4x4 = (cbh.cu_type == CUType::Intra) && (size == 8) && (cbh.pu_type == PUType::Quarters); |
| 735 | match cbh.cu_type { |
| 736 | CUType::Intra => { |
| 737 | let itype = self.blk_info[self.blk_pos].imode; |
| 738 | if !split_i4x4 { |
| 739 | let dstride = buf.stride[0]; |
| 740 | let off = xpos + ypos * dstride; |
| 741 | let dst = &mut buf.data; |
| 742 | self.populate_ipred(hdr, dst, 0, dstride, 0, 0, size, true); |
| 743 | self.ipred.pred_angle(dst, off, dstride, size, itype as usize, true); |
| 744 | } |
| 745 | for comp in 1..3 { |
| 746 | let dstride = buf.stride[comp]; |
| 747 | let soff = buf.offset[comp]; |
| 748 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; |
| 749 | let mut dst = &mut buf.data; |
| 750 | self.populate_ipred(hdr, dst, soff, dstride, 0, 0, size >> 1, false); |
| 751 | self.ipred.pred_angle(&mut dst, off, dstride, size >> 1, itype as usize, false); |
| 752 | } |
| 753 | }, |
| 754 | _ => { |
| 755 | let mut mv_x = xpos >> 2; |
| 756 | let mut mv_y = ypos >> 2; |
| 757 | let mut mv_pos = mv_x + mv_y * self.blk_stride; |
| 758 | for part_no in 0..cbh.pu_type.get_num_mvs() { |
| 759 | let (mv_w, mv_h) = cbh.pu_type.get_mv_size(part_no, size); |
| 760 | let mv = self.blk_info[mv_pos].mv; |
| 761 | let bw = mv_w << 2; |
| 762 | let bh = mv_h << 2; |
| 763 | let bx = mv_x << 2; |
| 764 | let by = mv_y << 2; |
| 765 | match mv.mvref { |
| 766 | MVRef::Ref0 => { |
| 767 | if hdr.ftype != FrameType::B { |
| 768 | if let Some(ref prevbuf) = self.ipbs.get_lastref() { |
| 769 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); |
| 770 | } |
| 771 | } else { |
| 772 | if let Some(ref prevbuf) = self.ipbs.get_b_fwdref() { |
| 773 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); |
| 774 | } |
| 775 | } |
| 776 | }, |
| 777 | MVRef::Ref1 => { |
| 778 | if let Some(ref prevbuf) = self.ipbs.get_nextref() { |
| 779 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); |
| 780 | } |
| 781 | }, |
| 782 | MVRef::BRef => { |
| 783 | validate!(hdr.ftype == FrameType::B); |
| 784 | if let Some(ref prevbuf) = self.ipbs.get_b_bwdref() { |
| 785 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.b_mv, false); |
| 786 | } |
| 787 | }, |
| 788 | MVRef::Ref0AndBRef => { |
| 789 | validate!(hdr.ftype == FrameType::B); |
| 790 | if let (Some(ref prevbuf), Some(ref nextbuf)) = (self.ipbs.get_b_fwdref(), self.ipbs.get_b_bwdref()) { |
| 791 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); |
| 792 | { |
| 793 | let mut avg_buf = NASimpleVideoFrame::from_video_buf(&mut self.avg_buf).unwrap(); |
| 794 | self.dsp.do_mc(&mut avg_buf, nextbuf, bx, by, bw, bh, mv.b_mv, true); |
| 795 | } |
| 796 | self.dsp.do_avg(buf, &self.avg_buf, bx, by, bw, bh); |
| 797 | } |
| 798 | }, |
| 799 | _ => unreachable!(), |
| 800 | }; |
| 801 | if cbh.pu_type == PUType::Quarters { |
| 802 | if part_no != 1 { |
| 803 | mv_pos += mv_w; |
| 804 | mv_x += mv_w; |
| 805 | } else { |
| 806 | mv_pos += mv_h * self.blk_stride - mv_w; |
| 807 | mv_x -= mv_w; |
| 808 | mv_y += mv_h; |
| 809 | } |
| 810 | } else if cbh.pu_type.has_hor_split() { |
| 811 | mv_pos += mv_h * self.blk_stride; |
| 812 | mv_y += mv_h; |
| 813 | } else if cbh.pu_type.has_ver_split() { |
| 814 | mv_pos += mv_w; |
| 815 | mv_x += mv_w; |
| 816 | } |
| 817 | } |
| 818 | }, |
| 819 | }; |
| 820 | if cbh.ttype != TransformType::None { |
| 821 | self.y_coeffs = [0; 16 * 16]; |
| 822 | self.u_coeffs = [0; 8 * 8]; |
| 823 | self.v_coeffs = [0; 8 * 8]; |
| 824 | } |
| 825 | let is_intra = cbh.cu_type == CUType::Intra; |
| 826 | let cb_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8; |
| 827 | match cbh.ttype { |
| 828 | TransformType::T4X4 => { |
| 829 | let subset = if is_intra { 0 } else { 2 }; |
| 830 | if size == 16 { |
| 831 | let cbp16; |
| 832 | if br.read_bool()? { |
| 833 | cbp16 = rv6_decode_cbp16(br, &self.cbs, subset, self.sel_qp)?; |
| 834 | } else { |
| 835 | cbp16 = 0; |
| 836 | } |
| 837 | if cbp16 != 0 { |
| 838 | self.coded_blk[cb_pos + 0] = true; |
| 839 | self.coded_blk[cb_pos + 1] = true; |
| 840 | self.coded_blk[cb_pos + 8] = true; |
| 841 | self.coded_blk[cb_pos + 9] = true; |
| 842 | rv6_decode_cu_4x4in16x16(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp16)?; |
| 843 | for y in 0..4 { |
| 844 | for x in 0..4 { |
| 845 | let i = x + y * 4; |
| 846 | if ((cbp16 >> i) & 1) != 0 { |
| 847 | self.dsp.transform4x4(&mut self.y_coeffs[i * 16..][..16]); |
| 848 | let dstride = buf.stride[0]; |
| 849 | let off = xpos + x * 4 + (ypos + y * 4) * dstride; |
| 850 | let mut dst = &mut buf.data; |
| 851 | self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs[i*16..][..16], 4); |
| 852 | } |
| 853 | } |
| 854 | } |
| 855 | for y in 0..2 { |
| 856 | for x in 0..2 { |
| 857 | let i = x + y * 2; |
| 858 | let xoff = (xpos >> 1) + x * 4; |
| 859 | let yoff = (ypos >> 1) + y * 4; |
| 860 | if ((cbp16 >> (16 + i)) & 1) != 0 { |
| 861 | self.dsp.transform4x4(&mut self.u_coeffs[i * 16..][..16]); |
| 862 | let dstride = buf.stride[1]; |
| 863 | let off = buf.offset[1] + xoff + yoff * dstride; |
| 864 | let mut dst = &mut buf.data; |
| 865 | self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs[i * 16..][..16], 4); |
| 866 | } |
| 867 | if ((cbp16 >> (20 + i)) & 1) != 0 { |
| 868 | self.dsp.transform4x4(&mut self.v_coeffs[i * 16..][..16]); |
| 869 | let dstride = buf.stride[2]; |
| 870 | let off = buf.offset[2] + xoff + yoff * dstride; |
| 871 | let mut dst = &mut buf.data; |
| 872 | self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs[i * 16..][..16], 4); |
| 873 | } |
| 874 | } |
| 875 | } |
| 876 | } |
| 877 | } else { |
| 878 | let cbp8 = rv6_decode_cbp8(br, &self.cbs, subset, self.sel_qp)?; |
| 879 | if cbp8 != 0 { |
| 880 | self.coded_blk[cb_pos] = true; |
| 881 | rv6_decode_cu_8x8(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp8, true)?; |
| 882 | } |
| 883 | for i in 0..4 { |
| 884 | let xoff = (i & 1) * 4; |
| 885 | let yoff = (i & 2) * 2; |
| 886 | if split_i4x4 { |
| 887 | let dstride = buf.stride[0]; |
| 888 | let off = xpos + xoff + (ypos + yoff) * dstride; |
| 889 | let mut dst = &mut buf.data; |
| 890 | self.populate_ipred(hdr, dst, 0, dstride, xoff, yoff, 4, true); |
| 891 | let itype = self.blk_info[self.blk_pos + (i & 1) + (i >> 1) * self.blk_stride].imode; |
| 892 | self.ipred.pred_angle(&mut dst, off, dstride, 4, itype as usize, false); |
| 893 | } |
| 894 | if ((cbp8 >> i) & 1) != 0 { |
| 895 | let blk = &mut self.y_coeffs[i * 16..][..16]; |
| 896 | self.dsp.transform4x4(blk); |
| 897 | let dstride = buf.stride[0]; |
| 898 | let soff = buf.offset[0]; |
| 899 | let off = soff + xpos + xoff + (ypos + yoff) * dstride; |
| 900 | let mut dst = &mut buf.data; |
| 901 | self.dsp.add_block(&mut dst, off, dstride, blk, 4); |
| 902 | } |
| 903 | } |
| 904 | if ((cbp8 >> 4) & 1) != 0 { |
| 905 | self.dsp.transform4x4(&mut self.u_coeffs); |
| 906 | let dstride = buf.stride[1]; |
| 907 | let soff = buf.offset[1]; |
| 908 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; |
| 909 | let mut dst = &mut buf.data; |
| 910 | self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 4); |
| 911 | } |
| 912 | if ((cbp8 >> 5) & 1) != 0 { |
| 913 | self.dsp.transform4x4(&mut self.v_coeffs); |
| 914 | let dstride = buf.stride[2]; |
| 915 | let soff = buf.offset[2]; |
| 916 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; |
| 917 | let mut dst = &mut buf.data; |
| 918 | self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 4); |
| 919 | } |
| 920 | } |
| 921 | }, |
| 922 | TransformType::T8X8 => { |
| 923 | let subset = if is_intra { 1 } else { 3 }; |
| 924 | let cbp8 = rv6_decode_cbp8(br, &self.cbs, subset, self.sel_qp)?; |
| 925 | if cbp8 != 0 { |
| 926 | self.coded_blk[cb_pos] = true; |
| 927 | rv6_decode_cu_8x8(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, cbp8, false)?; |
| 928 | if (cbp8 & 0xF) != 0 { |
| 929 | self.dsp.transform8x8(&mut self.y_coeffs); |
| 930 | let dstride = buf.stride[0]; |
| 931 | let off = xpos + ypos * dstride; |
| 932 | let mut dst = &mut buf.data; |
| 933 | self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs, 8); |
| 934 | } |
| 935 | if ((cbp8 >> 4) & 1) != 0 { |
| 936 | self.dsp.transform4x4(&mut self.u_coeffs); |
| 937 | let dstride = buf.stride[1]; |
| 938 | let soff = buf.offset[1]; |
| 939 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; |
| 940 | let mut dst = &mut buf.data; |
| 941 | self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 4); |
| 942 | } |
| 943 | if ((cbp8 >> 5) & 1) != 0 { |
| 944 | self.dsp.transform4x4(&mut self.v_coeffs); |
| 945 | let dstride = buf.stride[2]; |
| 946 | let soff = buf.offset[2]; |
| 947 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; |
| 948 | let mut dst = &mut buf.data; |
| 949 | self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 4); |
| 950 | } |
| 951 | } |
| 952 | }, |
| 953 | TransformType::T16X16 => { |
| 954 | let subset = if is_intra { 1 } else { 3 }; |
| 955 | let num_clusters = size >> 4; |
| 956 | let cl_cbp = br.read((num_clusters * num_clusters) as u8)?; |
| 957 | for y in 0..num_clusters { |
| 958 | for x in 0..num_clusters { |
| 959 | if ((cl_cbp >> (x + y * num_clusters)) & 1) == 0 { continue; } |
| 960 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 0] = true; |
| 961 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 1] = true; |
| 962 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 8] = true; |
| 963 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 9] = true; |
| 964 | let super_cbp = rv6_decode_cbp16(br, &self.cbs, subset, self.sel_qp)?; |
| 965 | if super_cbp != 0 { |
| 966 | self.y_coeffs = [0; 16 * 16]; |
| 967 | self.u_coeffs = [0; 8 * 8]; |
| 968 | self.v_coeffs = [0; 8 * 8]; |
| 969 | rv6_decode_cu_16x16(br, &self.cbs, is_intra, self.qp, self.sel_qp, &mut self.y_coeffs, &mut self.u_coeffs, &mut self.v_coeffs, super_cbp)?; |
| 970 | if (super_cbp & 0xFFFF) != 0 { |
| 971 | self.dsp.transform16x16(&mut self.y_coeffs); |
| 972 | let dstride = buf.stride[0]; |
| 973 | let off = xpos + x * 16 + (ypos + y * 16) * dstride; |
| 974 | let mut dst = &mut buf.data; |
| 975 | self.dsp.add_block(&mut dst, off, dstride, &self.y_coeffs, 16); |
| 976 | } |
| 977 | if ((super_cbp >> 16) & 0xF) != 0 { |
| 978 | self.dsp.transform8x8(&mut self.u_coeffs); |
| 979 | let dstride = buf.stride[1]; |
| 980 | let soff = buf.offset[1]; |
| 981 | let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride; |
| 982 | let mut dst = &mut buf.data; |
| 983 | self.dsp.add_block(&mut dst, off, dstride, &self.u_coeffs, 8); |
| 984 | } |
| 985 | if ((super_cbp >> 20) & 0xF) != 0 { |
| 986 | self.dsp.transform8x8(&mut self.v_coeffs); |
| 987 | let dstride = buf.stride[2]; |
| 988 | let soff = buf.offset[2]; |
| 989 | let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride; |
| 990 | let mut dst = &mut buf.data; |
| 991 | self.dsp.add_block(&mut dst, off, dstride, &self.v_coeffs, 8); |
| 992 | } |
| 993 | } |
| 994 | } |
| 995 | } |
| 996 | }, |
| 997 | _ => {}, |
| 998 | }; |
| 999 | } |
| 1000 | Ok(()) |
| 1001 | } |
| 1002 | fn reconstruct_info(&mut self, hdr: &FrameHeader, cbh: &CBHeader, size: usize) -> DecoderResult<()>{ |
| 1003 | let mut pui = PUInfo::default(); |
| 1004 | let pu_size = size >> 3; |
| 1005 | pui.cu_type = cbh.cu_type; |
| 1006 | pui.ttype = cbh.ttype; |
| 1007 | if (cbh.cu_type == CUType::Intra) && (cbh.pu_type == PUType::Quarters) { // very special case |
| 1008 | self.pu_info[self.pu_pos] = pui; |
| 1009 | for y in 0..2 { |
| 1010 | for x in 0..2 { |
| 1011 | let imode = self.reconstruct_intra(hdr, cbh, 4, x + y * 2); |
| 1012 | validate!(imode <= MAX_IMODE); |
| 1013 | self.blk_info[self.blk_pos + x + y * self.blk_stride].imode = imode; |
| 1014 | self.blk_info[self.blk_pos + x + y * self.blk_stride].mv = MVInfo::default(); |
| 1015 | } |
| 1016 | } |
| 1017 | return Ok(()); |
| 1018 | } |
| 1019 | match cbh.cu_type { |
| 1020 | CUType::Intra => { |
| 1021 | self.pu_info[self.pu_pos] = pui; |
| 1022 | let imode = self.reconstruct_intra(hdr, cbh, size, 0); |
| 1023 | validate!(imode <= MAX_IMODE); |
| 1024 | for y in 0..(size >> 2) { |
| 1025 | for x in 0..(size >> 2) { |
| 1026 | self.blk_info[self.blk_pos + x + y * self.blk_stride].imode = imode; |
| 1027 | } |
| 1028 | } |
| 1029 | }, |
| 1030 | CUType::InterMV => { |
| 1031 | let mut mv_x = self.xpos >> 2; |
| 1032 | let mut mv_y = self.ypos >> 2; |
| 1033 | let mut mv_pos = self.blk_pos; |
| 1034 | let pu_type = cbh.pu_type; |
| 1035 | for part_no in 0..pu_type.get_num_mvs() { |
| 1036 | let (mv_w, mv_h) = pu_type.get_mv_size(part_no, size); |
| 1037 | let mv = self.predict_mv(hdr, mv_x, mv_y, mv_w, &cbh.mv[part_no]); |
| 1038 | for y in 0..mv_h { |
| 1039 | for x in 0..mv_w { |
| 1040 | self.blk_info[mv_pos + x + y * self.blk_stride].mv = mv; |
| 1041 | } |
| 1042 | } |
| 1043 | if pu_type == PUType::Quarters { |
| 1044 | if part_no != 1 { |
| 1045 | mv_pos += mv_w; |
| 1046 | mv_x += mv_w; |
| 1047 | } else { |
| 1048 | mv_pos += mv_h * self.blk_stride - mv_w; |
| 1049 | mv_x -= mv_w; |
| 1050 | mv_y += mv_h; |
| 1051 | } |
| 1052 | } else if pu_type.has_hor_split() { |
| 1053 | mv_pos += mv_h * self.blk_stride; |
| 1054 | mv_y += mv_h; |
| 1055 | } else if pu_type.has_ver_split() { |
| 1056 | mv_pos += mv_w; |
| 1057 | mv_x += mv_w; |
| 1058 | } |
| 1059 | } |
| 1060 | }, |
| 1061 | _ => { |
| 1062 | let skip_idx = cbh.mv[0].mvref.get_skip_mv_num(); |
| 1063 | let mut skip_cand: UniqueList<MVInfo> = UniqueList::new(4); |
| 1064 | self.fill_skip_cand(hdr, &mut skip_cand, size); |
| 1065 | let mv = skip_cand.list[skip_idx]; |
| 1066 | |
| 1067 | let mv_size = size >> 2; |
| 1068 | for y in 0..mv_size { |
| 1069 | for x in 0..mv_size { |
| 1070 | self.blk_info[self.blk_pos + x + y * self.blk_stride].mv = mv; |
| 1071 | } |
| 1072 | } |
| 1073 | }, |
| 1074 | }; |
| 1075 | for y in 0..pu_size { |
| 1076 | for x in 0..pu_size { |
| 1077 | self.pu_info[self.pu_pos + x + y * self.pu_stride] = pui; |
| 1078 | } |
| 1079 | } |
| 1080 | Ok(()) |
| 1081 | } |
| 1082 | fn reconstruct_intra(&self, hdr: &FrameHeader, cbh: &CBHeader, size: usize, sub: usize) -> u8 { |
| 1083 | match cbh.imode[0] { |
| 1084 | IntraMode::DC64 => { return 1; }, |
| 1085 | IntraMode::Plane64 => { return 0; }, |
| 1086 | _ => {}, |
| 1087 | }; |
| 1088 | // form list of predictors |
| 1089 | let blk_pos = self.blk_pos + (sub & 1) + (sub >> 1) * self.blk_stride; |
| 1090 | let mut ipm_cand: UniqueList<u8> = UniqueList::new(3); |
| 1091 | if hdr.has_top_block(self.xpos, self.ypos, (sub & 1) * 4, 0, size) { |
| 1092 | let pu = &self.pu_info[self.pu_pos - self.pu_stride]; |
| 1093 | if pu.is_intra() { |
| 1094 | ipm_cand.add(self.blk_info[self.blk_pos + (sub & 1) - self.blk_stride].imode); |
| 1095 | } |
| 1096 | } |
| 1097 | if hdr.has_left_block(self.xpos, self.ypos, 0, (sub & 2) * 2, size) { |
| 1098 | let pu = &self.pu_info[self.pu_pos - 1]; |
| 1099 | if pu.is_intra() { |
| 1100 | ipm_cand.add(self.blk_info[blk_pos - 1 - (sub & 1)].imode); |
| 1101 | } |
| 1102 | } |
| 1103 | let tl_x = if (sub & 2) == 0 { self.xpos + (sub & 1) * 4 } else { self.xpos }; |
| 1104 | let tl_y = self.ypos + (sub & 2) * 4; |
| 1105 | if (tl_x > 0) && (tl_y > 0) { |
| 1106 | let pu = match sub { |
| 1107 | 0 => &self.pu_info[self.pu_pos - self.pu_stride - 1], |
| 1108 | 1 => &self.pu_info[self.pu_pos - self.pu_stride], |
| 1109 | 2 => &self.pu_info[self.pu_pos - 1], |
| 1110 | _ => &self.pu_info[self.pu_pos - 1], |
| 1111 | }; |
| 1112 | if pu.is_intra() { |
| 1113 | if sub != 3 { |
| 1114 | ipm_cand.add(self.blk_info[blk_pos - self.blk_stride - 1].imode); |
| 1115 | } else { |
| 1116 | ipm_cand.add(self.blk_info[blk_pos - self.blk_stride - 2].imode); |
| 1117 | } |
| 1118 | } |
| 1119 | } |
| 1120 | for el in RV60_CANDIDATE_INTRA_ANGLES.into_iter() { |
| 1121 | ipm_cand.add(*el); |
| 1122 | } |
| 1123 | // actually decode prediction mode |
| 1124 | match cbh.imode[sub] { |
| 1125 | IntraMode::Index(idx) => { |
| 1126 | ipm_cand.list[idx as usize] |
| 1127 | }, |
| 1128 | IntraMode::Mode(mode) => { |
| 1129 | let mut imode = mode; |
| 1130 | let mut ipm_cs: [u8; 3] = [ipm_cand.list[0], ipm_cand.list[1], ipm_cand.list[2]]; |
| 1131 | ipm_cs.sort(); |
| 1132 | for ic in ipm_cs.into_iter() { |
| 1133 | if imode >= *ic { |
| 1134 | imode += 1; |
| 1135 | } |
| 1136 | } |
| 1137 | imode |
| 1138 | }, |
| 1139 | _ => unreachable!(), |
| 1140 | } |
| 1141 | } |
| 1142 | fn populate_ipred(&mut self, hdr: &FrameHeader, src: &[u8], soff: usize, stride: usize, xoff: usize, yoff: usize, size: usize, is_luma: bool) { |
| 1143 | let src_off = if is_luma { |
| 1144 | soff + self.xpos + xoff + (self.ypos + yoff) * stride |
| 1145 | } else { |
| 1146 | soff + (self.xpos >> 1) + (self.ypos >> 1) * stride |
| 1147 | }; |
| 1148 | self.ipred = IntraPredContext::new(); |
| 1149 | if (self.ypos + yoff) > 0 { |
| 1150 | self.ipred.has_t = true; |
| 1151 | for x in 0..size { |
| 1152 | self.ipred.t[x + 1] = src[src_off - stride + x]; |
| 1153 | } |
| 1154 | if (is_luma && hdr.has_top_right_block(self.xpos, self.ypos, xoff, yoff, size)) || |
| 1155 | (!is_luma && hdr.has_top_right_block(self.xpos, self.ypos, 0, 0, size << 1)) { |
| 1156 | self.ipred.has_tr = true; |
| 1157 | for x in size..size*2 { |
| 1158 | self.ipred.t[x + 1] = src[src_off - stride + x]; |
| 1159 | } |
| 1160 | } else { |
| 1161 | for i in 0..size { |
| 1162 | self.ipred.t[size + i + 1] = self.ipred.t[size]; |
| 1163 | } |
| 1164 | } |
| 1165 | if (self.xpos + xoff) > 0 { |
| 1166 | self.ipred.t[0] = src[src_off - stride - 1]; |
| 1167 | } |
| 1168 | } |
| 1169 | if (self.xpos + xoff) > 0 { |
| 1170 | self.ipred.has_l = true; |
| 1171 | for y in 0..size { |
| 1172 | self.ipred.l[y + 1] = src[src_off - 1 + y * stride]; |
| 1173 | } |
| 1174 | if (is_luma && hdr.has_left_down_block(self.xpos, self.ypos, xoff, yoff, size)) || |
| 1175 | (!is_luma && hdr.has_left_down_block(self.xpos, self.ypos, 0, 0, size << 1)) { |
| 1176 | self.ipred.has_ld = true; |
| 1177 | for y in size..size*2 { |
| 1178 | self.ipred.l[y + 1] = src[src_off - 1 + y * stride]; |
| 1179 | } |
| 1180 | } else { |
| 1181 | for i in 0..size { |
| 1182 | self.ipred.l[size + i + 1] = self.ipred.l[size]; |
| 1183 | } |
| 1184 | } |
| 1185 | if (self.ypos + yoff) > 0 { |
| 1186 | self.ipred.l[0] = src[src_off - stride - 1]; |
| 1187 | } |
| 1188 | } |
| 1189 | } |
| 1190 | fn predict_mv(&self, hdr: &FrameHeader, mv_x: usize, mv_y: usize, mv_w: usize, mvi: &MVInfo) -> MVInfo { |
| 1191 | let mv_pos = mv_x + mv_y * self.blk_stride; |
| 1192 | let f_mv: MV; |
| 1193 | let b_mv: MV; |
| 1194 | if mvi.mvref.is_fwd() { |
| 1195 | let mut mv_cand: [MV; 3] = [ZERO_MV; 3]; |
| 1196 | let mut mv_cand_size: usize = 0; |
| 1197 | if mv_x > 0 { |
| 1198 | let ref_mv = &self.blk_info[mv_pos - 1].mv; |
| 1199 | if ref_mv.matches_fwd(mvi.mvref) { |
| 1200 | mv_cand[mv_cand_size] = ref_mv.f_mv; |
| 1201 | mv_cand_size += 1; |
| 1202 | } |
| 1203 | } |
| 1204 | if mv_y > 0 { |
| 1205 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride].mv; |
| 1206 | if ref_mv.matches_fwd(mvi.mvref) { |
| 1207 | mv_cand[mv_cand_size] = ref_mv.f_mv; |
| 1208 | mv_cand_size += 1; |
| 1209 | } |
| 1210 | } |
| 1211 | if hdr.has_top_block(mv_x << 2, mv_y << 2, mv_w << 2, 0, 4) { |
| 1212 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride + mv_w].mv; |
| 1213 | if ref_mv.matches_fwd(mvi.mvref) { |
| 1214 | mv_cand[mv_cand_size] = ref_mv.f_mv; |
| 1215 | mv_cand_size += 1; |
| 1216 | } |
| 1217 | } |
| 1218 | f_mv = match mv_cand_size { |
| 1219 | 1 | 2 => { |
| 1220 | let x = mv_cand[0].x + mv_cand[1].x + mv_cand[2].x; |
| 1221 | let y = mv_cand[0].y + mv_cand[1].y + mv_cand[2].y; |
| 1222 | if mv_cand_size == 1 { |
| 1223 | MV { x, y } |
| 1224 | } else { |
| 1225 | MV { x: x >> 1, y: y >> 1 } |
| 1226 | } |
| 1227 | }, |
| 1228 | 3 => MV::pred(mv_cand[0], mv_cand[1], mv_cand[2]), |
| 1229 | _ => ZERO_MV, |
| 1230 | }; |
| 1231 | } else { |
| 1232 | f_mv = ZERO_MV; |
| 1233 | } |
| 1234 | if mvi.mvref.is_bwd() { |
| 1235 | let mut mv_cand: [MV; 3] = [ZERO_MV; 3]; |
| 1236 | let mut mv_cand_size: usize = 0; |
| 1237 | if mv_x > 0 { |
| 1238 | let ref_mv = &self.blk_info[mv_pos - 1].mv; |
| 1239 | if ref_mv.matches_bwd(mvi.mvref) { |
| 1240 | mv_cand[mv_cand_size] = ref_mv.b_mv; |
| 1241 | mv_cand_size += 1; |
| 1242 | } |
| 1243 | } |
| 1244 | if mv_y > 0 { |
| 1245 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride].mv; |
| 1246 | if ref_mv.matches_bwd(mvi.mvref) { |
| 1247 | mv_cand[mv_cand_size] = ref_mv.b_mv; |
| 1248 | mv_cand_size += 1; |
| 1249 | } |
| 1250 | } |
| 1251 | if hdr.has_top_block(mv_x << 2, mv_y << 2, mv_w << 2, 0, 4) { |
| 1252 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride + mv_w].mv; |
| 1253 | if ref_mv.matches_bwd(mvi.mvref) { |
| 1254 | mv_cand[mv_cand_size] = ref_mv.b_mv; |
| 1255 | mv_cand_size += 1; |
| 1256 | } |
| 1257 | } |
| 1258 | b_mv = match mv_cand_size { |
| 1259 | 1 | 2 => { |
| 1260 | let x = mv_cand[0].x + mv_cand[1].x + mv_cand[2].x; |
| 1261 | let y = mv_cand[0].y + mv_cand[1].y + mv_cand[2].y; |
| 1262 | if mv_cand_size == 1 { |
| 1263 | MV { x, y } |
| 1264 | } else { |
| 1265 | MV { x: x >> 1, y: y >> 1 } |
| 1266 | } |
| 1267 | }, |
| 1268 | 3 => MV::pred(mv_cand[0], mv_cand[1], mv_cand[2]), |
| 1269 | _ => ZERO_MV, |
| 1270 | }; |
| 1271 | } else { |
| 1272 | b_mv = ZERO_MV; |
| 1273 | } |
| 1274 | |
| 1275 | MVInfo { f_mv: mvi.f_mv + f_mv, b_mv: mvi.b_mv + b_mv, mvref: mvi.mvref } |
| 1276 | } |
| 1277 | fn fill_skip_cand(&mut self, hdr: &FrameHeader, skip_cand: &mut UniqueList<MVInfo>, size: usize) { |
| 1278 | let mv_size = size >> 2; |
| 1279 | |
| 1280 | if self.xpos > 0 { |
| 1281 | let mv = &self.blk_info[self.blk_pos - 1].mv; |
| 1282 | if mv.is_some() { |
| 1283 | skip_cand.add(*mv); |
| 1284 | } |
| 1285 | } |
| 1286 | if self.ypos > 0 { |
| 1287 | let mv = &self.blk_info[self.blk_pos - self.blk_stride].mv; |
| 1288 | if mv.is_some() { |
| 1289 | skip_cand.add(*mv); |
| 1290 | } |
| 1291 | } |
| 1292 | if hdr.has_top_right_block(self.xpos, self.ypos, 0, 0, size) { |
| 1293 | let mv = &self.blk_info[self.blk_pos - self.blk_stride + mv_size].mv; |
| 1294 | if mv.is_some() { |
| 1295 | skip_cand.add(*mv); |
| 1296 | } |
| 1297 | } |
| 1298 | if hdr.has_left_down_block(self.xpos, self.ypos, 0, 0, size) { |
| 1299 | let mv = &self.blk_info[self.blk_pos + self.blk_stride * mv_size - 1].mv; |
| 1300 | if mv.is_some() { |
| 1301 | skip_cand.add(*mv); |
| 1302 | } |
| 1303 | } |
| 1304 | if hdr.has_left_block(self.xpos, self.ypos, 0, 0, size) { |
| 1305 | let mv = &self.blk_info[self.blk_pos + self.blk_stride * (mv_size - 1) - 1].mv; |
| 1306 | if mv.is_some() { |
| 1307 | skip_cand.add(*mv); |
| 1308 | } |
| 1309 | } |
| 1310 | if hdr.has_top_block(self.xpos, self.ypos, 0, 0, size) { |
| 1311 | let mv = &self.blk_info[self.blk_pos - self.blk_stride + mv_size - 1].mv; |
| 1312 | if mv.is_some() { |
| 1313 | skip_cand.add(*mv); |
| 1314 | } |
| 1315 | } |
| 1316 | if (self.xpos > 0) && (self.ypos > 0) { |
| 1317 | let mv = &self.blk_info[self.blk_pos - self.blk_stride - 1].mv; |
| 1318 | if mv.is_some() { |
| 1319 | skip_cand.add(*mv); |
| 1320 | } |
| 1321 | } |
| 1322 | for i in skip_cand.fill..4 { |
| 1323 | skip_cand.list[i] = MVInfo { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::Ref0 }; |
| 1324 | } |
| 1325 | } |
| 1326 | fn deblock_cb_tree(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, xpos: usize, ypos: usize, log_size: u8) { |
| 1327 | if (xpos >= hdr.width) || (ypos >= hdr.height) { return; } |
| 1328 | let split = (log_size > 3) && self.cu_splits.pop().unwrap(); |
| 1329 | if split { |
| 1330 | let hsize = 1 << (log_size - 1); |
| 1331 | self.deblock_cb_tree(buf, hdr, xpos, ypos, log_size - 1); |
| 1332 | self.deblock_cb_tree(buf, hdr, xpos + hsize, ypos, log_size - 1); |
| 1333 | self.deblock_cb_tree(buf, hdr, xpos, ypos + hsize, log_size - 1); |
| 1334 | self.deblock_cb_tree(buf, hdr, xpos + hsize, ypos + hsize, log_size - 1); |
| 1335 | } else { |
| 1336 | let pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride; |
| 1337 | let cu_type = self.pu_info[pu_pos].cu_type; |
| 1338 | let tsize = if self.pu_info[pu_pos].ttype == TransformType::T16X16 { 4 } else { 3 }; |
| 1339 | let ntiles = 1 << (log_size - tsize); |
| 1340 | let dparams = RV60DeblockParams { |
| 1341 | deblock_chroma: hdr.deblock_chroma, |
| 1342 | width: hdr.width, |
| 1343 | height: hdr.height, |
| 1344 | dblkstride: self.dblk.stride, |
| 1345 | }; |
| 1346 | for ty in 0..ntiles { |
| 1347 | for tx in 0..ntiles { |
| 1348 | let x = xpos + (tx << tsize); |
| 1349 | let y = ypos + (ty << tsize); |
| 1350 | let cb_pos = ((x & 63) >> 3) + ((y & 63) >> 3) * 8; |
| 1351 | if cu_type == CUType::Intra { |
| 1352 | self.dblk.set_strength(x, y, 1 << tsize, self.qp, 2); |
| 1353 | } else if (cu_type != CUType::Skip) && self.coded_blk[cb_pos] { |
| 1354 | self.dblk.set_strength(x, y, 1 << tsize, self.qp, 1); |
| 1355 | } else { |
| 1356 | self.dblk.set_strength(x, y, 1 << tsize, self.qp, 0); |
| 1357 | self.derive_deblock_strength(x, y, 1 << (tsize - 2)); |
| 1358 | } |
| 1359 | self.dsp.do_deblock(&dparams, buf, x, y, 1 << tsize, |
| 1360 | self.dblk.top_str.as_slice(), |
| 1361 | self.dblk.left_str.as_slice(), |
| 1362 | self.dblk.get_pos(x, y)); |
| 1363 | } |
| 1364 | } |
| 1365 | } |
| 1366 | } |
| 1367 | fn derive_deblock_strength(&mut self, xpos: usize, ypos: usize, size4: usize) { |
| 1368 | let blk_pos = (xpos >> 2) + (ypos >> 2) * self.blk_stride; |
| 1369 | let mut dblk_pos = self.dblk.get_pos(xpos, ypos); |
| 1370 | if ypos > 0 { |
| 1371 | let top_blk_pos = blk_pos - self.blk_stride; |
| 1372 | for i in 0..size4 { |
| 1373 | if self.dblk.get_top_strength(dblk_pos + i) == 0 { |
| 1374 | if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[top_blk_pos + i].mv) { |
| 1375 | self.dblk.set_top_strength(dblk_pos + i, 1); |
| 1376 | } |
| 1377 | } |
| 1378 | } |
| 1379 | } |
| 1380 | if xpos > 0 { |
| 1381 | for i in 0..size4 { |
| 1382 | if self.dblk.get_left_strength(dblk_pos) == 0 { |
| 1383 | if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[blk_pos + i - 1].mv) { |
| 1384 | self.dblk.set_left_strength(dblk_pos, 1); |
| 1385 | } |
| 1386 | } |
| 1387 | dblk_pos += self.dblk.stride; |
| 1388 | } |
| 1389 | } |
| 1390 | } |
| 1391 | } |
| 1392 | |
| 1393 | impl NADecoder for RealVideo60Decoder { |
| 1394 | fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { |
| 1395 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { |
| 1396 | let fmt = YUV420_FORMAT; |
| 1397 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, fmt)); |
| 1398 | self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); |
| 1399 | |
| 1400 | let edata = info.get_extradata().unwrap(); |
| 1401 | let src: &[u8] = &edata; |
| 1402 | |
| 1403 | if src.len() < 8 { return Err(DecoderError::InvalidData); } |
| 1404 | let mut mr = MemoryReader::new_read(src); |
| 1405 | let mut br = ByteReader::new(&mut mr); |
| 1406 | let _flags = br.read_u32be()?; |
| 1407 | let version = br.read_u32be()?; |
| 1408 | let _unk = br.read_u16be()?; |
| 1409 | validate!((version >> 28) == 4); |
| 1410 | // then width and height again as 16be |
| 1411 | |
| 1412 | //self.bd.width = vinfo.get_width(); |
| 1413 | //self.bd.height = vinfo.get_height(); |
| 1414 | //self.frmmgr.clear(); |
| 1415 | |
| 1416 | supp.pool_u8.set_dec_bufs(3); |
| 1417 | supp.pool_u8.prealloc_video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, fmt), 6)?; |
| 1418 | |
| 1419 | Ok(()) |
| 1420 | } else { |
| 1421 | println!("???"); |
| 1422 | Err(DecoderError::InvalidData) |
| 1423 | } |
| 1424 | } |
| 1425 | fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { |
| 1426 | let src = pkt.get_buffer(); |
| 1427 | |
| 1428 | validate!(src.len() > 9); |
| 1429 | let hsize = (src[0] as usize) * 8 + 9; |
| 1430 | let mut br = BitReader::new(&src[hsize..], src.len() - hsize, BitReaderMode::BE); |
| 1431 | let hdr = FrameHeader::read(&mut br)?; |
| 1432 | let mut slices: Vec<usize> = Vec::new(); |
| 1433 | hdr.parse_slice_sizes(&mut br, &mut slices)?; |
| 1434 | |
| 1435 | let tmp_vinfo = NAVideoInfo::new(hdr.width, hdr.height, false, YUV420_FORMAT); |
| 1436 | let ret = supp.pool_u8.get_free(); |
| 1437 | if ret.is_none() { |
| 1438 | return Err(DecoderError::AllocError); |
| 1439 | } |
| 1440 | let mut buf = ret.unwrap(); |
| 1441 | if buf.get_info() != tmp_vinfo { |
| 1442 | self.ipbs.clear(); |
| 1443 | supp.pool_u8.reset(); |
| 1444 | supp.pool_u8.prealloc_video(tmp_vinfo, 6)?; |
| 1445 | let ret = supp.pool_u8.get_free(); |
| 1446 | if ret.is_none() { |
| 1447 | return Err(DecoderError::AllocError); |
| 1448 | } |
| 1449 | buf = ret.unwrap(); |
| 1450 | } |
| 1451 | |
| 1452 | let cu_w = hdr.get_width_cu(); |
| 1453 | let cu_h = hdr.get_height_cu(); |
| 1454 | self.pu_stride = cu_w << 3; |
| 1455 | self.pu_info.resize(self.pu_stride * (cu_h << 3), PUInfo::default()); |
| 1456 | self.blk_stride = cu_w << 4; |
| 1457 | self.blk_info.truncate(0); |
| 1458 | self.blk_info.resize(self.blk_stride * (cu_h << 4), BlockInfo::default()); |
| 1459 | if hdr.deblock { |
| 1460 | self.dblk.reinit(hdr.width, hdr.height); |
| 1461 | } |
| 1462 | let mut off = hsize + ((br.tell() >> 3) as usize); |
| 1463 | let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap(); |
| 1464 | for (cu_y, size) in slices.into_iter().enumerate() { |
| 1465 | self.decode_cu_line(&mut dframe, &hdr, &src[off..][..size], cu_y)?; |
| 1466 | off += size; |
| 1467 | } |
| 1468 | if (hdr.ftype == FrameType::I) || (hdr.ftype == FrameType::P) { |
| 1469 | self.ipbs.add_frame(buf.clone()); |
| 1470 | } |
| 1471 | |
| 1472 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf)); |
| 1473 | frm.set_keyframe(hdr.ftype == FrameType::I); |
| 1474 | frm.set_pts(Some(hdr.ts as u64)); |
| 1475 | frm.set_frame_type(hdr.ftype); |
| 1476 | Ok(frm.into_ref()) |
| 1477 | } |
| 1478 | } |
| 1479 | |
| 1480 | pub fn get_decoder() -> Box<NADecoder> { |
| 1481 | Box::new(RealVideo60Decoder::new()) |
| 1482 | } |
| 1483 | |
| 1484 | #[cfg(test)] |
| 1485 | mod test { |
| 1486 | use nihav_core::codecs::RegisteredDecoders; |
| 1487 | use nihav_core::demuxers::RegisteredDemuxers; |
| 1488 | use nihav_core::test::dec_video::*; |
| 1489 | use crate::codecs::realmedia_register_all_codecs; |
| 1490 | use crate::demuxers::realmedia_register_all_demuxers; |
| 1491 | #[test] |
| 1492 | fn test_rv60() { |
| 1493 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 1494 | realmedia_register_all_demuxers(&mut dmx_reg); |
| 1495 | let mut dec_reg = RegisteredDecoders::new(); |
| 1496 | realmedia_register_all_codecs(&mut dec_reg); |
| 1497 | |
| 1498 | test_file_decoding("realmedia", "assets/RV/RV60.rmhd", Some(4000), true, false, None/*Some("rv60")*/, &dmx_reg, &dec_reg); |
| 1499 | //panic!("end"); |
| 1500 | } |
| 1501 | } |