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1 | use nihav_core::formats::YUV420_FORMAT; | |
2 | use nihav_core::frame::*; | |
3 | use nihav_core::codecs::{NADecoder, NADecoderSupport, DecoderError, DecoderResult, FrameSkipMode}; | |
4 | use nihav_core::options::*; | |
5 | use nihav_codec_support::codecs::{MV, ZERO_MV, IPBShuffler}; | |
6 | use nihav_core::io::byteio::{MemoryReader,ByteReader}; | |
7 | use nihav_core::io::bitreader::{BitReader,BitReaderMode}; | |
8 | use nihav_core::io::intcode::*; | |
9 | use std::str::FromStr; | |
10 | ||
11 | use super::rv60codes::*; | |
12 | use super::rv60dsp::*; | |
13 | ||
14 | struct UniqueList<A> { | |
15 | list: [A; 4], | |
16 | fill: usize, | |
17 | max_size: usize, | |
18 | } | |
19 | ||
20 | impl<A:Copy+Default+PartialEq> UniqueList<A> { | |
21 | fn new(max_size: usize) -> Self { | |
22 | Self { list: [A::default(); 4], fill: 0, max_size } | |
23 | } | |
24 | fn add(&mut self, cand: A) { | |
25 | if self.fill == self.max_size { return; } | |
26 | let mut unique = true; | |
27 | for el in self.list.iter().take(self.fill) { | |
28 | if *el == cand { | |
29 | unique = false; | |
30 | break; | |
31 | } | |
32 | } | |
33 | if unique { | |
34 | self.list[self.fill] = cand; | |
35 | self.fill += 1; | |
36 | } | |
37 | } | |
38 | } | |
39 | ||
40 | const RV60_FRAME_TYPES: [FrameType; 4] = [ FrameType::I, FrameType::P, FrameType::B, FrameType::Other ]; | |
41 | const MAX_IMODE: u8 = 34; | |
42 | ||
43 | #[derive(Clone,Copy,Debug)] | |
44 | #[allow(dead_code)] | |
45 | struct FrameHeader { | |
46 | profile: u8, | |
47 | ftype: FrameType, | |
48 | qp: u8, | |
49 | osvquant: u8, | |
50 | ts: u32, | |
51 | width: usize, | |
52 | height: usize, | |
53 | two_f_refs: bool, | |
54 | qp_off_type: u8, | |
55 | deblock: bool, | |
56 | deblock_chroma: bool, | |
57 | } | |
58 | ||
59 | const RV60_CUSTOM_MSG_LENS: [u32; 4] = [ 2, 4, 16, 32 ]; | |
60 | impl FrameHeader { | |
61 | fn read(br: &mut BitReader) -> DecoderResult<Self> { | |
62 | let marker = br.read(2)?; | |
63 | validate!(marker == 3); | |
64 | let profile = br.read(2)? as u8; | |
65 | validate!(profile == 0); | |
66 | let _someval = br.read(4)?; | |
67 | let ftypeid = br.read(2)? as usize; | |
68 | let ftype = RV60_FRAME_TYPES[ftypeid]; | |
69 | let qp = br.read(6)? as u8; | |
70 | let marker = br.read(1)?; | |
71 | validate!(marker == 0); | |
72 | let toolset = br.read(2)?; | |
73 | validate!(toolset == 0); | |
74 | let osvquant = br.read(2)? as u8; | |
75 | let _some_flag = br.read_bool()?; | |
76 | let _some_val = br.read(2)?; | |
77 | let ts = br.read(24)?; | |
78 | let width = ((br.read(11)? as usize) + 1) * 4; | |
79 | let height = ((br.read(11)? as usize) + 0) * 4; | |
80 | validate!(height > 0); | |
81 | let _some_flag = br.read_bool()?; | |
82 | let two_f_refs; | |
83 | if ftype == FrameType::I { | |
84 | //byte17 = 0 | |
85 | two_f_refs = false; | |
86 | } else { | |
87 | let flag = br.read_bool()?; | |
88 | if flag { // untested | |
89 | br.skip(1)?; | |
90 | br.skip(1)?; | |
91 | br.skip(1)?; | |
92 | } | |
93 | //byte17 = flag? | |
94 | two_f_refs = br.read_bool()?; | |
95 | } | |
96 | // if byte17 { dw40 = 2; dw3C = 2; } else { dw40 = 1; dw3C = 1; } | |
97 | let _some_val = br.read_code(UintCodeType::Unary012)?; // luma_qp_diff? | |
98 | let chroma_qp_diff = br.read(1)?; | |
99 | validate!(chroma_qp_diff == 0); | |
100 | let qp_off_type = br.read_code(UintCodeType::Unary012)? as u8; | |
101 | let deblock = br.read_bool()?; | |
102 | let deblock_chroma = deblock && !br.read_bool()?; | |
103 | if br.read_bool()? { | |
104 | let custom_msg_hdr_len = br.read(2)? as usize; | |
105 | if custom_msg_hdr_len != 0 { | |
106 | for i in 0..custom_msg_hdr_len { | |
107 | br.skip(RV60_CUSTOM_MSG_LENS[i] * 8)?; | |
108 | } | |
109 | } | |
110 | } | |
111 | ||
112 | Ok(FrameHeader { | |
113 | profile, ftype, qp, osvquant, ts, width, height, two_f_refs, qp_off_type, | |
114 | deblock, deblock_chroma, | |
115 | }) | |
116 | } | |
117 | fn parse_slice_sizes(&self, br: &mut BitReader, sizes: &mut Vec<usize>) -> DecoderResult<()> { | |
118 | let nslices = self.get_height_cu(); | |
119 | let nbits = (br.read(5)? as u8) + 1; | |
120 | validate!(nbits < 32); | |
121 | let mut signs: Vec<bool> = Vec::with_capacity(nslices); | |
122 | for _ in 0..nslices { | |
123 | let sign = br.read_bool()?; | |
124 | signs.push(sign); | |
125 | } | |
126 | validate!(signs[0]); | |
127 | sizes.clear(); | |
128 | let mut sum = 0; | |
129 | let first_size = br.read(nbits)? as usize; | |
130 | validate!(first_size > 0); | |
131 | sum += first_size; | |
132 | let mut lastsize = first_size; | |
133 | sizes.push(first_size); | |
134 | for i in 1..nslices { | |
135 | let diff = br.read(nbits)? as isize; | |
136 | let size; | |
137 | if signs[i] { | |
138 | let sum = (lastsize as isize).checked_add(diff); | |
139 | validate!(sum.is_some()); | |
140 | size = sum.unwrap() as usize; | |
141 | } else { | |
142 | let sum = (lastsize as isize).checked_sub(diff); | |
143 | validate!(sum.is_some()); | |
144 | size = sum.unwrap() as usize; | |
145 | } | |
146 | sizes.push(size); | |
147 | sum += size; | |
148 | lastsize = size; | |
149 | } | |
150 | br.align(); | |
151 | if ((br.left() >> 3) as usize) != sum { | |
152 | println!(" left {} / {}", br.left() >> 3, sum); | |
153 | } | |
154 | validate!((br.left() >> 3) >= (sum as isize)); | |
155 | Ok(()) | |
156 | } | |
157 | fn read_line_qp_offset(&self, br: &mut BitReader) -> DecoderResult<i8> { | |
158 | match self.qp_off_type { | |
159 | 0 => Ok(0), | |
160 | 1 => { | |
161 | let val = br.read_code(UintCodeType::Unary012)?; | |
162 | if val != 2 { | |
163 | Ok(val as i8) | |
164 | } else { | |
165 | Ok(-1) | |
166 | } | |
167 | }, | |
168 | _ => { | |
169 | if br.read(1)? == 0 { | |
170 | Ok(0) | |
171 | } else { | |
172 | let val = br.read(2)? as i8; | |
173 | if (val & 2) == 0 { | |
174 | Ok(val + 1) | |
175 | } else { | |
176 | Ok(-((val & 1) + 1)) | |
177 | } | |
178 | } | |
179 | }, | |
180 | } | |
181 | } | |
182 | fn get_width_cu(&self) -> usize { | |
183 | (self.width + 63) >> 6 | |
184 | } | |
185 | fn get_height_cu(&self) -> usize { | |
186 | (self.height + 63) >> 6 | |
187 | } | |
188 | fn has_top_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { | |
189 | if (ypos + dy) == 0 { return false; } | |
190 | let xpos2 = xpos + dx; | |
191 | if (xpos2 + size) > self.width { return false; } | |
192 | true | |
193 | } | |
194 | fn has_top_right_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { | |
195 | if (ypos + dy) == 0 { return false; } | |
196 | let xpos2 = xpos + dx; | |
197 | if (xpos2 + size * 2) > self.width { return false; } | |
198 | let cxpos = ((xpos + dx) & 63) >> RV60_BLOCK_LOG2[size]; | |
199 | let cypos = ((ypos + dy) & 63) >> RV60_BLOCK_LOG2[size]; | |
200 | ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) == 0 | |
201 | } | |
202 | fn has_left_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { | |
203 | if (xpos + dx) == 0 { return false; } | |
204 | let ypos2 = ypos + dy; | |
205 | if (ypos2 + size) > self.height { return false; } | |
206 | true | |
207 | } | |
208 | fn has_left_down_block(&self, xpos: usize, ypos: usize, dx: usize, dy: usize, size: usize) -> bool { | |
209 | if (xpos + dx) == 0 { return false; } | |
210 | let ypos2 = ypos + dy; | |
211 | if (ypos2 + size * 2) > self.height { return false; } | |
212 | let cxpos = (!(xpos + dx) & 63) >> RV60_BLOCK_LOG2[size]; | |
213 | let cypos = (!(ypos + dy) & 63) >> RV60_BLOCK_LOG2[size]; | |
214 | ((cypos as u8) & RV60_AVAIL_MASK[cxpos]) >= 1 | |
215 | } | |
216 | } | |
217 | ||
218 | const RV60_BLOCK_LOG2: [u8; 65] = [ | |
219 | 0, | |
220 | 0, 1, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, | |
221 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, | |
222 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
223 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6 | |
224 | ]; | |
225 | const RV60_AVAIL_MASK: [u8; 64] = [ | |
226 | 0, 1, 0, 3, 0, 1, 0, 7, 0, 1, 0, 3, 0, 1, 0, 0xF, | |
227 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
228 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
229 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
230 | ]; | |
231 | ||
232 | #[derive(Clone,Copy,PartialEq,Debug)] | |
233 | enum CUType { | |
234 | Intra, | |
235 | InterMV, | |
236 | Skip, | |
237 | InterNoMV, | |
238 | } | |
239 | ||
240 | impl Default for CUType { | |
241 | fn default() -> Self { CUType::Intra } | |
242 | } | |
243 | ||
244 | const RV60_CU_TYPES: [CUType; 4] = [ CUType::Intra, CUType::InterMV, CUType::Skip, CUType::InterNoMV ]; | |
245 | ||
246 | #[derive(Clone,Copy,PartialEq,Debug)] | |
247 | enum PUType { | |
248 | Full, | |
249 | N2Hor, | |
250 | N2Ver, | |
251 | Quarters, | |
252 | N4Hor, | |
253 | N34Hor, | |
254 | N4Ver, | |
255 | N34Ver, | |
256 | } | |
257 | ||
258 | const RV60_PU_TYPES: [PUType; 8] = [ | |
259 | PUType::Full, PUType::N2Hor, PUType::N2Ver, PUType::Quarters, | |
260 | PUType::N4Hor, PUType::N34Hor, PUType::N4Ver, PUType::N34Ver, | |
261 | ]; | |
262 | ||
263 | impl PUType { | |
264 | fn get_num_mvs(self) -> usize { | |
265 | match self { | |
266 | PUType::Full => 1, | |
267 | PUType::Quarters => 4, | |
268 | _ => 2, | |
269 | } | |
270 | } | |
271 | fn get_mv_size(self, part_no: usize, size: usize) -> (usize, usize) { | |
272 | let mv_size = size >> 2; | |
273 | match self { | |
274 | PUType::Full => (mv_size, mv_size), | |
275 | PUType::N2Hor => (mv_size, mv_size >> 1), | |
276 | PUType::N2Ver => (mv_size >> 1, mv_size), | |
277 | PUType::Quarters => (mv_size >> 1, mv_size >> 1), | |
278 | PUType::N4Hor => { | |
279 | if part_no == 0 { | |
280 | (mv_size, mv_size >> 2) | |
281 | } else { | |
282 | (mv_size, (3 * mv_size) >> 2) | |
283 | } | |
284 | }, | |
285 | PUType::N34Hor => { | |
286 | if part_no == 0 { | |
287 | (mv_size, (3 * mv_size) >> 2) | |
288 | } else { | |
289 | (mv_size, mv_size >> 2) | |
290 | } | |
291 | }, | |
292 | PUType::N4Ver => { | |
293 | if part_no == 0 { | |
294 | ( mv_size >> 2, mv_size) | |
295 | } else { | |
296 | ((3 * mv_size) >> 2, mv_size) | |
297 | } | |
298 | }, | |
299 | PUType::N34Ver => { | |
300 | if part_no == 0 { | |
301 | ((3 * mv_size) >> 2, mv_size) | |
302 | } else { | |
303 | ( mv_size >> 2, mv_size) | |
304 | } | |
305 | }, | |
306 | } | |
307 | } | |
308 | fn has_hor_split(self) -> bool { | |
309 | matches!(self, PUType::N2Hor | PUType::N4Hor | PUType::N34Hor | PUType::Quarters) | |
310 | } | |
311 | fn has_ver_split(self) -> bool { | |
312 | matches!(self, PUType::N2Ver | PUType::N4Ver | PUType::N34Ver | PUType::Quarters) | |
313 | } | |
314 | } | |
315 | ||
316 | impl Default for PUType { | |
317 | fn default() -> Self { PUType::Full } | |
318 | } | |
319 | ||
320 | #[derive(Clone,Copy,Debug)] | |
321 | enum IntraMode { | |
322 | Index(u8), | |
323 | Mode(u8), | |
324 | DC64, | |
325 | Plane64, | |
326 | } | |
327 | ||
328 | #[derive(Clone,Copy,PartialEq,Debug)] | |
329 | enum TransformType { | |
330 | None, | |
331 | T4X4, | |
332 | T8X8, | |
333 | T16X16, | |
334 | } | |
335 | ||
336 | impl Default for TransformType { | |
337 | fn default() -> Self { TransformType::None } | |
338 | } | |
339 | ||
340 | #[derive(Clone,Copy,PartialEq,Debug)] | |
341 | enum MVRef { | |
342 | None, | |
343 | Ref0, | |
344 | Ref1, | |
345 | BRef, | |
346 | Ref0AndBRef, | |
347 | Skip0, | |
348 | Skip1, | |
349 | Skip2, | |
350 | Skip3, | |
351 | } | |
352 | ||
353 | const SKIP_MV_REF: [MVRef; 4] = [ MVRef::Skip0, MVRef::Skip1, MVRef::Skip2, MVRef::Skip3 ]; | |
354 | ||
355 | impl MVRef { | |
356 | fn get_skip_mv_num(self) -> usize { | |
357 | match self { | |
358 | MVRef::Skip1 => 1, | |
359 | MVRef::Skip2 => 2, | |
360 | MVRef::Skip3 => 3, | |
361 | _ => 0, | |
362 | } | |
363 | } | |
364 | fn is_ref0(self) -> bool { | |
365 | matches!(self, MVRef::Ref0 | MVRef::Ref0AndBRef) | |
366 | } | |
367 | fn is_fwd(self) -> bool { | |
368 | matches!(self, MVRef::Ref0 | MVRef::Ref1 | MVRef::Ref0AndBRef) | |
369 | } | |
370 | fn is_bwd(self) -> bool { | |
371 | matches!(self, MVRef::BRef | MVRef::Ref0AndBRef) | |
372 | } | |
373 | } | |
374 | ||
375 | #[derive(Clone,Copy,PartialEq,Debug)] | |
376 | struct MVInfo { | |
377 | f_mv: MV, | |
378 | b_mv: MV, | |
379 | mvref: MVRef, | |
380 | } | |
381 | ||
382 | impl MVInfo { | |
383 | fn is_some(&self) -> bool { self.mvref != MVRef::None } | |
384 | fn matches_fwd(&self, mvref: MVRef) -> bool { | |
385 | (self.mvref == mvref) || (self.mvref.is_ref0() && mvref.is_ref0()) | |
386 | } | |
387 | fn matches_bwd(&self, mvref: MVRef) -> bool { | |
388 | self.mvref.is_bwd() && mvref.is_bwd() | |
389 | } | |
390 | fn is_deblock_cand(&self, other: &MVInfo) -> bool { | |
391 | if self.mvref != other.mvref { return true; } | |
392 | let mut mvdiff = 0; | |
393 | if self.mvref.is_fwd() { | |
394 | let diff = self.f_mv - other.f_mv; | |
395 | mvdiff += diff.x.abs() + diff.y.abs(); | |
396 | } | |
397 | if self.mvref.is_bwd() { | |
398 | let diff = self.b_mv - other.b_mv; | |
399 | mvdiff += diff.x.abs() + diff.y.abs(); | |
400 | } | |
401 | mvdiff > 4 | |
402 | } | |
403 | } | |
404 | ||
405 | impl Default for MVInfo { | |
406 | fn default() -> Self { Self { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::None } } | |
407 | } | |
408 | ||
409 | #[derive(Clone,Copy,Debug)] | |
410 | struct CBHeader { | |
411 | cu_type: CUType, | |
412 | pu_type: PUType, | |
413 | ttype: TransformType, | |
414 | imode: [IntraMode; 4], | |
415 | mv: [MVInfo; 4], | |
416 | } | |
417 | ||
418 | impl CBHeader { | |
419 | fn read(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize) -> DecoderResult<Self> { | |
420 | let cu_type; | |
421 | let pu_type; | |
422 | let mut imode: [IntraMode; 4] = [IntraMode::Index(0); 4]; | |
423 | let mut mv: [MVInfo; 4] = [MVInfo::default(); 4]; | |
424 | if ftype == FrameType::I { | |
425 | cu_type = CUType::Intra; | |
426 | } else { | |
427 | cu_type = RV60_CU_TYPES[br.read(2)? as usize]; | |
428 | } | |
429 | match cu_type { | |
430 | CUType::Intra => { | |
431 | if (size == 8) && br.read_bool()? { | |
432 | pu_type = PUType::Quarters; | |
433 | } else { | |
434 | pu_type = PUType::Full; | |
435 | } | |
436 | if pu_type == PUType::Quarters { | |
437 | for i in 0..4 { | |
438 | imode[i] = CBHeader::read_intra_mode(br)?; | |
439 | } | |
440 | } else if size <= 32 { | |
441 | imode[0] = CBHeader::read_intra_mode(br)?; | |
442 | } else { | |
443 | if !br.read_bool()? { | |
444 | imode[0] = IntraMode::DC64; | |
445 | } else { | |
446 | imode[0] = IntraMode::Plane64; | |
447 | } | |
448 | } | |
449 | }, | |
450 | CUType::InterMV => { | |
451 | let bits = if size == 8 { 2 } else { 3 }; | |
452 | pu_type = RV60_PU_TYPES[br.read(bits)? as usize]; | |
453 | CBHeader::read_mv_data(br, ftype, two_f_refs, size, pu_type, &mut mv)?; | |
454 | }, | |
455 | _ => { | |
456 | pu_type = PUType::Full; | |
457 | let skip_mv_no = br.read_code(UintCodeType::LimitedUnary(3, 0))?; | |
458 | mv[0].mvref = SKIP_MV_REF[skip_mv_no as usize]; | |
459 | }, | |
460 | }; | |
461 | let ttype; | |
462 | if cu_type == CUType::Skip { | |
463 | ttype = TransformType::None; | |
464 | } else if size >= 32 { | |
465 | ttype = TransformType::T16X16; | |
466 | } else if size == 16 { | |
467 | if (cu_type == CUType::Intra) || (pu_type == PUType::Full) { | |
468 | ttype = TransformType::T16X16; | |
469 | } else { | |
470 | ttype = TransformType::T4X4; | |
471 | } | |
472 | } else { | |
473 | if pu_type == PUType::Full { | |
474 | ttype = TransformType::T8X8; | |
475 | } else { | |
476 | ttype = TransformType::T4X4; | |
477 | } | |
478 | } | |
479 | Ok(Self { | |
480 | cu_type, pu_type, ttype, imode, mv, | |
481 | }) | |
482 | } | |
483 | fn read_intra_mode(br: &mut BitReader) -> DecoderResult<IntraMode> { | |
484 | if br.read_bool()? { | |
485 | let idx = br.read_code(UintCodeType::Unary012)? as u8; | |
486 | Ok(IntraMode::Index(idx)) | |
487 | } else { | |
488 | let mode = br.read(5)? as u8; | |
489 | Ok(IntraMode::Mode(mode)) | |
490 | } | |
491 | } | |
492 | fn read_mv_data(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize, pu_type: PUType, mv: &mut [MVInfo; 4]) -> DecoderResult<()> { | |
493 | let mv_count = pu_type.get_num_mvs(); | |
494 | for i in 0..mv_count { | |
495 | mv[i] = CBHeader::read_mv_info(br, ftype, two_f_refs, size, pu_type)?; | |
496 | } | |
497 | Ok(()) | |
498 | } | |
499 | fn read_mv_info(br: &mut BitReader, ftype: FrameType, two_f_refs: bool, size: usize, pu_type: PUType) -> DecoderResult<MVInfo> { | |
500 | let mut f_mv = ZERO_MV; | |
501 | let mut b_mv = ZERO_MV; | |
502 | let mvref; | |
503 | if ftype != FrameType::B { | |
504 | if two_f_refs && br.read_bool()? { | |
505 | mvref = MVRef::Ref1; | |
506 | } else { | |
507 | mvref = MVRef::Ref0; | |
508 | } | |
509 | f_mv = CBHeader::read_mv(br)?; | |
510 | Ok(MVInfo { f_mv, b_mv: ZERO_MV, mvref }) | |
511 | } else { | |
512 | if ((size <= 8) && ((size != 8) || (pu_type != PUType::Full))) || br.read_bool()? { | |
513 | if !br.read_bool()? { | |
514 | mvref = MVRef::Ref0; | |
515 | f_mv = CBHeader::read_mv(br)?; | |
516 | } else { | |
517 | mvref = MVRef::BRef; | |
518 | b_mv = CBHeader::read_mv(br)?; | |
519 | } | |
520 | } else { | |
521 | mvref = MVRef::Ref0AndBRef; | |
522 | f_mv = CBHeader::read_mv(br)?; | |
523 | b_mv = CBHeader::read_mv(br)?; | |
524 | } | |
525 | Ok(MVInfo { f_mv, b_mv, mvref }) | |
526 | } | |
527 | } | |
528 | fn read_mv(br: &mut BitReader) -> DecoderResult<MV> { | |
529 | let x = br.read_code_signed(IntCodeType::Gamma)? as i16; | |
530 | let y = br.read_code_signed(IntCodeType::Gamma)? as i16; | |
531 | Ok(MV { x, y }) | |
532 | } | |
533 | } | |
534 | ||
535 | #[derive(Clone,Copy,Default)] | |
536 | struct PUInfo { | |
537 | cu_type: CUType, | |
538 | ttype: TransformType, | |
539 | } | |
540 | ||
541 | impl PUInfo { | |
542 | fn is_intra(self) -> bool { self.cu_type == CUType::Intra } | |
543 | } | |
544 | ||
545 | const RV60_CANDIDATE_INTRA_ANGLES: [u8; 6] = [ 0, 1, 10, 26, 18, 2 ]; | |
546 | ||
547 | #[derive(Clone,Copy,Default)] | |
548 | struct BlockInfo { | |
549 | mv: MVInfo, | |
550 | imode: u8, | |
551 | } | |
552 | ||
553 | struct DeblockInfo { | |
554 | left_str: Vec<u8>, | |
555 | top_str: Vec<u8>, | |
556 | stride: usize, | |
557 | } | |
558 | ||
559 | impl DeblockInfo { | |
560 | fn new() -> Self { | |
561 | Self { left_str: Vec::new(), top_str: Vec::new(), stride: 0 } | |
562 | } | |
563 | fn reinit(&mut self, w: usize, h: usize) { | |
564 | self.left_str.clear(); | |
565 | self.top_str.clear(); | |
566 | self.stride = w >> 2; | |
567 | let size = self.stride * (h >> 2); | |
568 | self.left_str.resize(size, 0); | |
569 | self.top_str.resize(size, 0); | |
570 | } | |
571 | fn set_strength(&mut self, xpos: usize, ypos: usize, size: usize, q: u8, strength: u8) { | |
572 | let pos = self.get_pos(xpos, ypos); | |
573 | let dsize = size >> 2; | |
574 | let dval = (q << 2) | strength; | |
575 | for x in 0..dsize { | |
576 | self.top_str[pos + x] = dval; | |
577 | } | |
578 | for y in 0..dsize { | |
579 | self.left_str[pos + y * self.stride] = dval; | |
580 | } | |
581 | } | |
582 | fn get_pos(&self, xpos: usize, ypos: usize) -> usize { | |
583 | (xpos >> 2) + (ypos >> 2) * self.stride | |
584 | } | |
585 | fn get_top_strength(&self, pos: usize) -> u8 { | |
586 | self.top_str[pos] & 3 | |
587 | } | |
588 | fn get_left_strength(&self, pos: usize) -> u8 { | |
589 | self.left_str[pos] & 3 | |
590 | } | |
591 | fn set_top_strength(&mut self, pos: usize, str: u8) { | |
592 | self.top_str[pos] |= str; | |
593 | } | |
594 | fn set_left_strength(&mut self, pos: usize, str: u8) { | |
595 | self.left_str[pos] |= str; | |
596 | } | |
597 | } | |
598 | ||
599 | struct RealVideo60Decoder { | |
600 | info: NACodecInfoRef, | |
601 | cbs: RV60Codebooks, | |
602 | ipbs: IPBShuffler, | |
603 | dsp: RV60DSP, | |
604 | ipred: IntraPredContext, | |
605 | skip_mode: FrameSkipMode, | |
606 | ||
607 | avg_buf: NAVideoBufferRef<u8>, | |
608 | ||
609 | y_coeffs: [i16; 16 * 16], | |
610 | u_coeffs: [i16; 8 * 8], | |
611 | v_coeffs: [i16; 8 * 8], | |
612 | qp: u8, | |
613 | sel_qp: u8, | |
614 | ||
615 | cu_splits: Vec<bool>, | |
616 | coded_blk: [bool; 64], | |
617 | dblk: DeblockInfo, | |
618 | ||
619 | pu_info: Vec<PUInfo>, | |
620 | pu_stride: usize, | |
621 | pu_pos: usize, | |
622 | ||
623 | blk_info: Vec<BlockInfo>, | |
624 | blk_stride: usize, | |
625 | blk_pos: usize, | |
626 | ||
627 | xpos: usize, | |
628 | ypos: usize, | |
629 | ||
630 | ts_scale: u64, | |
631 | ref0_pts: u64, | |
632 | ref1_pts: u64, | |
633 | ref0_ts: u64, | |
634 | ref1_ts: u64, | |
635 | } | |
636 | ||
637 | impl RealVideo60Decoder { | |
638 | fn new() -> Self { | |
639 | let tmp_vinfo = NAVideoInfo::new(64, 64, false, YUV420_FORMAT); | |
640 | let vt = alloc_video_buffer(tmp_vinfo, 4).unwrap(); | |
641 | let vb = vt.get_vbuf(); | |
642 | let avg_buf = vb.unwrap(); | |
643 | RealVideo60Decoder{ | |
644 | info: NACodecInfoRef::default(), | |
645 | cbs: RV60Codebooks::init(), | |
646 | ipbs: IPBShuffler::new(), | |
647 | ipred: IntraPredContext::new(), | |
648 | skip_mode: FrameSkipMode::default(), | |
649 | dsp: RV60DSP::new(), | |
650 | avg_buf, | |
651 | y_coeffs: [0; 16 * 16], | |
652 | u_coeffs: [0; 8 * 8], | |
653 | v_coeffs: [0; 8 * 8], | |
654 | qp: 0, | |
655 | sel_qp: 0, | |
656 | cu_splits: Vec::with_capacity(24), | |
657 | coded_blk: [false; 64], | |
658 | dblk: DeblockInfo::new(), | |
659 | pu_info: Vec::new(), | |
660 | pu_stride: 0, | |
661 | pu_pos: 0, | |
662 | blk_info: Vec::new(), | |
663 | blk_stride: 0, | |
664 | blk_pos: 0, | |
665 | xpos: 0, | |
666 | ypos: 0, | |
667 | ||
668 | ts_scale: 1, | |
669 | ref0_pts: 0, | |
670 | ref1_pts: 0, | |
671 | ref0_ts: 0, | |
672 | ref1_ts: 0, | |
673 | } | |
674 | } | |
675 | fn decode_cu_line(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, src: &[u8], cu_y: usize) -> DecoderResult<()> { | |
676 | let mut br = BitReader::new(src, BitReaderMode::BE); | |
677 | let cu_w = hdr.get_width_cu(); | |
678 | let dqp = hdr.read_line_qp_offset(&mut br)?; | |
679 | let qps = (hdr.qp as i8) + dqp; | |
680 | validate!((0..32).contains(&qps)); | |
681 | let qp = qps as u8; | |
682 | self.qp = qp; | |
683 | self.sel_qp = match hdr.osvquant { | |
684 | 0 => qp, | |
685 | 1 => { | |
686 | if qp <= 25 { | |
687 | qp + 5 | |
688 | } else { | |
689 | qp | |
690 | } | |
691 | }, | |
692 | _ => { | |
693 | if qp <= 18 { | |
694 | qp + 10 | |
695 | } else if qp <= 25 { | |
696 | qp + 5 | |
697 | } else { | |
698 | qp | |
699 | } | |
700 | }, | |
701 | }; | |
702 | ||
703 | for cu_x in 0..cu_w { | |
704 | self.cu_splits.clear(); | |
705 | self.coded_blk = [false; 64]; | |
706 | self.decode_cb_tree(buf, hdr, &mut br, cu_x << 6, cu_y << 6, 6)?; | |
707 | if hdr.deblock { | |
708 | self.cu_splits.reverse(); | |
709 | self.deblock_cb_tree(buf, hdr, cu_x << 6, cu_y << 6, 6); | |
710 | } | |
711 | } | |
712 | if br.left() >= 8 { | |
713 | println!(" left {} bits", br.left()); | |
714 | } | |
715 | Ok(()) | |
716 | } | |
717 | #[allow(clippy::cognitive_complexity)] | |
718 | fn decode_cb_tree(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, br: &mut BitReader, xpos: usize, ypos: usize, log_size: u8) -> DecoderResult<()> { | |
719 | if (xpos >= hdr.width) || (ypos >= hdr.height) { return Ok(()); } | |
720 | ||
721 | let size = 1 << log_size; | |
722 | let split = (xpos + size > hdr.width) || (ypos + size > hdr.height) || (size > 8 && br.read_bool()?); | |
723 | self.cu_splits.push(split); | |
724 | if split { | |
725 | let hsize = size >> 1; | |
726 | self.decode_cb_tree(buf, hdr, br, xpos, ypos, log_size - 1)?; | |
727 | self.decode_cb_tree(buf, hdr, br, xpos + hsize, ypos, log_size - 1)?; | |
728 | self.decode_cb_tree(buf, hdr, br, xpos, ypos + hsize, log_size - 1)?; | |
729 | self.decode_cb_tree(buf, hdr, br, xpos + hsize, ypos + hsize, log_size - 1)?; | |
730 | } else { | |
731 | let cbh = CBHeader::read(br, hdr.ftype, hdr.two_f_refs, size)?; | |
732 | self.pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride; | |
733 | self.blk_pos = (xpos >> 2) + (ypos >> 2) * self.blk_stride; | |
734 | self.xpos = xpos; | |
735 | self.ypos = ypos; | |
736 | self.reconstruct_info(hdr, &cbh, size)?; | |
737 | ||
738 | let split_i4x4 = (cbh.cu_type == CUType::Intra) && (size == 8) && (cbh.pu_type == PUType::Quarters); | |
739 | match cbh.cu_type { | |
740 | CUType::Intra => { | |
741 | let itype = self.blk_info[self.blk_pos].imode; | |
742 | if !split_i4x4 { | |
743 | let dstride = buf.stride[0]; | |
744 | let off = xpos + ypos * dstride; | |
745 | let dst = &mut buf.data; | |
746 | self.populate_ipred(hdr, dst, 0, dstride, 0, 0, size, true); | |
747 | self.ipred.pred_angle(dst, off, dstride, size, itype as usize, true); | |
748 | } | |
749 | for comp in 1..3 { | |
750 | let dstride = buf.stride[comp]; | |
751 | let soff = buf.offset[comp]; | |
752 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; | |
753 | let dst = &mut buf.data; | |
754 | self.populate_ipred(hdr, dst, soff, dstride, 0, 0, size >> 1, false); | |
755 | self.ipred.pred_angle(dst, off, dstride, size >> 1, itype as usize, false); | |
756 | } | |
757 | }, | |
758 | _ => { | |
759 | let mut mv_x = xpos >> 2; | |
760 | let mut mv_y = ypos >> 2; | |
761 | let mut mv_pos = mv_x + mv_y * self.blk_stride; | |
762 | for part_no in 0..cbh.pu_type.get_num_mvs() { | |
763 | let (mv_w, mv_h) = cbh.pu_type.get_mv_size(part_no, size); | |
764 | let mv = self.blk_info[mv_pos].mv; | |
765 | let bw = mv_w << 2; | |
766 | let bh = mv_h << 2; | |
767 | let bx = mv_x << 2; | |
768 | let by = mv_y << 2; | |
769 | match mv.mvref { | |
770 | MVRef::Ref0 => { | |
771 | if hdr.ftype != FrameType::B { | |
772 | if let Some(ref prevbuf) = self.ipbs.get_lastref() { | |
773 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); | |
774 | } | |
775 | } else { | |
776 | if let Some(ref prevbuf) = self.ipbs.get_b_fwdref() { | |
777 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); | |
778 | } | |
779 | } | |
780 | }, | |
781 | MVRef::Ref1 => { | |
782 | if let Some(ref prevbuf) = self.ipbs.get_nextref() { | |
783 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); | |
784 | } | |
785 | }, | |
786 | MVRef::BRef => { | |
787 | validate!(hdr.ftype == FrameType::B); | |
788 | if let Some(ref prevbuf) = self.ipbs.get_b_bwdref() { | |
789 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.b_mv, false); | |
790 | } | |
791 | }, | |
792 | MVRef::Ref0AndBRef => { | |
793 | validate!(hdr.ftype == FrameType::B); | |
794 | if let (Some(ref prevbuf), Some(ref nextbuf)) = (self.ipbs.get_b_fwdref(), self.ipbs.get_b_bwdref()) { | |
795 | self.dsp.do_mc(buf, prevbuf, bx, by, bw, bh, mv.f_mv, false); | |
796 | { | |
797 | let mut avg_buf = NASimpleVideoFrame::from_video_buf(&mut self.avg_buf).unwrap(); | |
798 | self.dsp.do_mc(&mut avg_buf, nextbuf, bx, by, bw, bh, mv.b_mv, true); | |
799 | } | |
800 | self.dsp.do_avg(buf, &self.avg_buf, bx, by, bw, bh); | |
801 | } | |
802 | }, | |
803 | _ => unreachable!(), | |
804 | }; | |
805 | if cbh.pu_type == PUType::Quarters { | |
806 | if part_no != 1 { | |
807 | mv_pos += mv_w; | |
808 | mv_x += mv_w; | |
809 | } else { | |
810 | mv_pos += mv_h * self.blk_stride - mv_w; | |
811 | mv_x -= mv_w; | |
812 | mv_y += mv_h; | |
813 | } | |
814 | } else if cbh.pu_type.has_hor_split() { | |
815 | mv_pos += mv_h * self.blk_stride; | |
816 | mv_y += mv_h; | |
817 | } else if cbh.pu_type.has_ver_split() { | |
818 | mv_pos += mv_w; | |
819 | mv_x += mv_w; | |
820 | } | |
821 | } | |
822 | }, | |
823 | }; | |
824 | if cbh.ttype != TransformType::None { | |
825 | self.y_coeffs = [0; 16 * 16]; | |
826 | self.u_coeffs = [0; 8 * 8]; | |
827 | self.v_coeffs = [0; 8 * 8]; | |
828 | } | |
829 | let is_intra = cbh.cu_type == CUType::Intra; | |
830 | let cb_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8; | |
831 | match cbh.ttype { | |
832 | TransformType::T4X4 => { | |
833 | let subset = if is_intra { 0 } else { 2 }; | |
834 | if size == 16 { | |
835 | let cbp16; | |
836 | if br.read_bool()? { | |
837 | cbp16 = rv6_decode_cbp16(br, &self.cbs, subset, self.sel_qp)?; | |
838 | } else { | |
839 | cbp16 = 0; | |
840 | } | |
841 | if cbp16 != 0 { | |
842 | self.coded_blk[cb_pos + 0] = true; | |
843 | self.coded_blk[cb_pos + 1] = true; | |
844 | self.coded_blk[cb_pos + 8] = true; | |
845 | self.coded_blk[cb_pos + 9] = true; | |
846 | 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)?; | |
847 | for y in 0..4 { | |
848 | for x in 0..4 { | |
849 | let i = x + y * 4; | |
850 | if ((cbp16 >> i) & 1) != 0 { | |
851 | self.dsp.transform4x4(&mut self.y_coeffs[i * 16..][..16]); | |
852 | let dstride = buf.stride[0]; | |
853 | let off = xpos + x * 4 + (ypos + y * 4) * dstride; | |
854 | let dst = &mut buf.data; | |
855 | self.dsp.add_block(dst, off, dstride, &self.y_coeffs[i*16..][..16], 4); | |
856 | } | |
857 | } | |
858 | } | |
859 | for y in 0..2 { | |
860 | for x in 0..2 { | |
861 | let i = x + y * 2; | |
862 | let xoff = (xpos >> 1) + x * 4; | |
863 | let yoff = (ypos >> 1) + y * 4; | |
864 | if ((cbp16 >> (16 + i)) & 1) != 0 { | |
865 | self.dsp.transform4x4(&mut self.u_coeffs[i * 16..][..16]); | |
866 | let dstride = buf.stride[1]; | |
867 | let off = buf.offset[1] + xoff + yoff * dstride; | |
868 | let dst = &mut buf.data; | |
869 | self.dsp.add_block(dst, off, dstride, &self.u_coeffs[i * 16..][..16], 4); | |
870 | } | |
871 | if ((cbp16 >> (20 + i)) & 1) != 0 { | |
872 | self.dsp.transform4x4(&mut self.v_coeffs[i * 16..][..16]); | |
873 | let dstride = buf.stride[2]; | |
874 | let off = buf.offset[2] + xoff + yoff * dstride; | |
875 | let dst = &mut buf.data; | |
876 | self.dsp.add_block(dst, off, dstride, &self.v_coeffs[i * 16..][..16], 4); | |
877 | } | |
878 | } | |
879 | } | |
880 | } | |
881 | } else { | |
882 | let cbp8 = rv6_decode_cbp8(br, &self.cbs, subset, self.sel_qp)?; | |
883 | if cbp8 != 0 { | |
884 | self.coded_blk[cb_pos] = true; | |
885 | 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)?; | |
886 | } | |
887 | for i in 0..4 { | |
888 | let xoff = (i & 1) * 4; | |
889 | let yoff = (i & 2) * 2; | |
890 | if split_i4x4 { | |
891 | let dstride = buf.stride[0]; | |
892 | let off = xpos + xoff + (ypos + yoff) * dstride; | |
893 | let dst = &mut buf.data; | |
894 | self.populate_ipred(hdr, dst, 0, dstride, xoff, yoff, 4, true); | |
895 | let itype = self.blk_info[self.blk_pos + (i & 1) + (i >> 1) * self.blk_stride].imode; | |
896 | self.ipred.pred_angle(dst, off, dstride, 4, itype as usize, false); | |
897 | } | |
898 | if ((cbp8 >> i) & 1) != 0 { | |
899 | let blk = &mut self.y_coeffs[i * 16..][..16]; | |
900 | self.dsp.transform4x4(blk); | |
901 | let dstride = buf.stride[0]; | |
902 | let soff = buf.offset[0]; | |
903 | let off = soff + xpos + xoff + (ypos + yoff) * dstride; | |
904 | self.dsp.add_block(buf.data, off, dstride, blk, 4); | |
905 | } | |
906 | } | |
907 | if ((cbp8 >> 4) & 1) != 0 { | |
908 | self.dsp.transform4x4(&mut self.u_coeffs); | |
909 | let dstride = buf.stride[1]; | |
910 | let soff = buf.offset[1]; | |
911 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; | |
912 | self.dsp.add_block(buf.data, off, dstride, &self.u_coeffs, 4); | |
913 | } | |
914 | if ((cbp8 >> 5) & 1) != 0 { | |
915 | self.dsp.transform4x4(&mut self.v_coeffs); | |
916 | let dstride = buf.stride[2]; | |
917 | let soff = buf.offset[2]; | |
918 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; | |
919 | self.dsp.add_block(buf.data, off, dstride, &self.v_coeffs, 4); | |
920 | } | |
921 | } | |
922 | }, | |
923 | TransformType::T8X8 => { | |
924 | let subset = if is_intra { 1 } else { 3 }; | |
925 | let cbp8 = rv6_decode_cbp8(br, &self.cbs, subset, self.sel_qp)?; | |
926 | if cbp8 != 0 { | |
927 | self.coded_blk[cb_pos] = true; | |
928 | 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)?; | |
929 | if (cbp8 & 0xF) != 0 { | |
930 | self.dsp.transform8x8(&mut self.y_coeffs); | |
931 | let dstride = buf.stride[0]; | |
932 | let off = xpos + ypos * dstride; | |
933 | self.dsp.add_block(buf.data, 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 | self.dsp.add_block(buf.data, off, dstride, &self.u_coeffs, 4); | |
941 | } | |
942 | if ((cbp8 >> 5) & 1) != 0 { | |
943 | self.dsp.transform4x4(&mut self.v_coeffs); | |
944 | let dstride = buf.stride[2]; | |
945 | let soff = buf.offset[2]; | |
946 | let off = soff + (xpos >> 1) + (ypos >> 1) * dstride; | |
947 | self.dsp.add_block(buf.data, off, dstride, &self.v_coeffs, 4); | |
948 | } | |
949 | } | |
950 | }, | |
951 | TransformType::T16X16 => { | |
952 | let subset = if is_intra { 1 } else { 3 }; | |
953 | let num_clusters = size >> 4; | |
954 | let cl_cbp = br.read((num_clusters * num_clusters) as u8)?; | |
955 | for y in 0..num_clusters { | |
956 | for x in 0..num_clusters { | |
957 | if ((cl_cbp >> (x + y * num_clusters)) & 1) == 0 { continue; } | |
958 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 0] = true; | |
959 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 1] = true; | |
960 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 8] = true; | |
961 | self.coded_blk[cb_pos + x * 2 + y * 2 * 8 + 9] = true; | |
962 | let super_cbp = rv6_decode_cbp16(br, &self.cbs, subset, self.sel_qp)?; | |
963 | if super_cbp != 0 { | |
964 | self.y_coeffs = [0; 16 * 16]; | |
965 | self.u_coeffs = [0; 8 * 8]; | |
966 | self.v_coeffs = [0; 8 * 8]; | |
967 | 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)?; | |
968 | if (super_cbp & 0xFFFF) != 0 { | |
969 | self.dsp.transform16x16(&mut self.y_coeffs); | |
970 | let dstride = buf.stride[0]; | |
971 | let off = xpos + x * 16 + (ypos + y * 16) * dstride; | |
972 | self.dsp.add_block(buf.data, off, dstride, &self.y_coeffs, 16); | |
973 | } | |
974 | if ((super_cbp >> 16) & 0xF) != 0 { | |
975 | self.dsp.transform8x8(&mut self.u_coeffs); | |
976 | let dstride = buf.stride[1]; | |
977 | let soff = buf.offset[1]; | |
978 | let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride; | |
979 | self.dsp.add_block(buf.data, off, dstride, &self.u_coeffs, 8); | |
980 | } | |
981 | if ((super_cbp >> 20) & 0xF) != 0 { | |
982 | self.dsp.transform8x8(&mut self.v_coeffs); | |
983 | let dstride = buf.stride[2]; | |
984 | let soff = buf.offset[2]; | |
985 | let off = soff + (xpos >> 1) + x * 8 + ((ypos >> 1) + y * 8) * dstride; | |
986 | self.dsp.add_block(buf.data, off, dstride, &self.v_coeffs, 8); | |
987 | } | |
988 | } | |
989 | } | |
990 | } | |
991 | }, | |
992 | _ => {}, | |
993 | }; | |
994 | } | |
995 | Ok(()) | |
996 | } | |
997 | fn reconstruct_info(&mut self, hdr: &FrameHeader, cbh: &CBHeader, size: usize) -> DecoderResult<()>{ | |
998 | let mut pui = PUInfo::default(); | |
999 | let pu_size = size >> 3; | |
1000 | pui.cu_type = cbh.cu_type; | |
1001 | pui.ttype = cbh.ttype; | |
1002 | if (cbh.cu_type == CUType::Intra) && (cbh.pu_type == PUType::Quarters) { // very special case | |
1003 | self.pu_info[self.pu_pos] = pui; | |
1004 | for y in 0..2 { | |
1005 | for x in 0..2 { | |
1006 | let imode = self.reconstruct_intra(hdr, cbh, 4, x + y * 2); | |
1007 | validate!(imode <= MAX_IMODE); | |
1008 | self.blk_info[self.blk_pos + x + y * self.blk_stride].imode = imode; | |
1009 | self.blk_info[self.blk_pos + x + y * self.blk_stride].mv = MVInfo::default(); | |
1010 | } | |
1011 | } | |
1012 | return Ok(()); | |
1013 | } | |
1014 | match cbh.cu_type { | |
1015 | CUType::Intra => { | |
1016 | self.pu_info[self.pu_pos] = pui; | |
1017 | let imode = self.reconstruct_intra(hdr, cbh, size, 0); | |
1018 | validate!(imode <= MAX_IMODE); | |
1019 | for y in 0..(size >> 2) { | |
1020 | for x in 0..(size >> 2) { | |
1021 | self.blk_info[self.blk_pos + x + y * self.blk_stride].imode = imode; | |
1022 | } | |
1023 | } | |
1024 | }, | |
1025 | CUType::InterMV => { | |
1026 | let mut mv_x = self.xpos >> 2; | |
1027 | let mut mv_y = self.ypos >> 2; | |
1028 | let mut mv_pos = self.blk_pos; | |
1029 | let pu_type = cbh.pu_type; | |
1030 | for part_no in 0..pu_type.get_num_mvs() { | |
1031 | let (mv_w, mv_h) = pu_type.get_mv_size(part_no, size); | |
1032 | let mv = self.predict_mv(hdr, mv_x, mv_y, mv_w, &cbh.mv[part_no]); | |
1033 | for y in 0..mv_h { | |
1034 | for x in 0..mv_w { | |
1035 | self.blk_info[mv_pos + x + y * self.blk_stride].mv = mv; | |
1036 | } | |
1037 | } | |
1038 | if pu_type == PUType::Quarters { | |
1039 | if part_no != 1 { | |
1040 | mv_pos += mv_w; | |
1041 | mv_x += mv_w; | |
1042 | } else { | |
1043 | mv_pos += mv_h * self.blk_stride - mv_w; | |
1044 | mv_x -= mv_w; | |
1045 | mv_y += mv_h; | |
1046 | } | |
1047 | } else if pu_type.has_hor_split() { | |
1048 | mv_pos += mv_h * self.blk_stride; | |
1049 | mv_y += mv_h; | |
1050 | } else if pu_type.has_ver_split() { | |
1051 | mv_pos += mv_w; | |
1052 | mv_x += mv_w; | |
1053 | } | |
1054 | } | |
1055 | }, | |
1056 | _ => { | |
1057 | let skip_idx = cbh.mv[0].mvref.get_skip_mv_num(); | |
1058 | let mut skip_cand: UniqueList<MVInfo> = UniqueList::new(4); | |
1059 | self.fill_skip_cand(hdr, &mut skip_cand, size); | |
1060 | let mv = skip_cand.list[skip_idx]; | |
1061 | ||
1062 | let mv_size = size >> 2; | |
1063 | for y in 0..mv_size { | |
1064 | for x in 0..mv_size { | |
1065 | self.blk_info[self.blk_pos + x + y * self.blk_stride].mv = mv; | |
1066 | } | |
1067 | } | |
1068 | }, | |
1069 | }; | |
1070 | for y in 0..pu_size { | |
1071 | for x in 0..pu_size { | |
1072 | self.pu_info[self.pu_pos + x + y * self.pu_stride] = pui; | |
1073 | } | |
1074 | } | |
1075 | Ok(()) | |
1076 | } | |
1077 | fn reconstruct_intra(&self, hdr: &FrameHeader, cbh: &CBHeader, size: usize, sub: usize) -> u8 { | |
1078 | match cbh.imode[0] { | |
1079 | IntraMode::DC64 => { return 1; }, | |
1080 | IntraMode::Plane64 => { return 0; }, | |
1081 | _ => {}, | |
1082 | }; | |
1083 | // form list of predictors | |
1084 | let blk_pos = self.blk_pos + (sub & 1) + (sub >> 1) * self.blk_stride; | |
1085 | let mut ipm_cand: UniqueList<u8> = UniqueList::new(3); | |
1086 | if hdr.has_top_block(self.xpos, self.ypos, (sub & 1) * 4, 0, size) { | |
1087 | let pu = &self.pu_info[self.pu_pos - self.pu_stride]; | |
1088 | if pu.is_intra() { | |
1089 | ipm_cand.add(self.blk_info[self.blk_pos + (sub & 1) - self.blk_stride].imode); | |
1090 | } | |
1091 | } | |
1092 | if hdr.has_left_block(self.xpos, self.ypos, 0, (sub & 2) * 2, size) { | |
1093 | let pu = &self.pu_info[self.pu_pos - 1]; | |
1094 | if pu.is_intra() { | |
1095 | ipm_cand.add(self.blk_info[blk_pos - 1 - (sub & 1)].imode); | |
1096 | } | |
1097 | } | |
1098 | let tl_x = if (sub & 2) == 0 { self.xpos + (sub & 1) * 4 } else { self.xpos }; | |
1099 | let tl_y = self.ypos + (sub & 2) * 4; | |
1100 | if (tl_x > 0) && (tl_y > 0) { | |
1101 | let pu = match sub { | |
1102 | 0 => &self.pu_info[self.pu_pos - self.pu_stride - 1], | |
1103 | 1 => &self.pu_info[self.pu_pos - self.pu_stride], | |
1104 | 2 => &self.pu_info[self.pu_pos - 1], | |
1105 | _ => &self.pu_info[self.pu_pos - 1], | |
1106 | }; | |
1107 | if pu.is_intra() { | |
1108 | if sub != 3 { | |
1109 | ipm_cand.add(self.blk_info[blk_pos - self.blk_stride - 1].imode); | |
1110 | } else { | |
1111 | ipm_cand.add(self.blk_info[blk_pos - self.blk_stride - 2].imode); | |
1112 | } | |
1113 | } | |
1114 | } | |
1115 | for el in RV60_CANDIDATE_INTRA_ANGLES.iter() { | |
1116 | ipm_cand.add(*el); | |
1117 | } | |
1118 | // actually decode prediction mode | |
1119 | match cbh.imode[sub] { | |
1120 | IntraMode::Index(idx) => { | |
1121 | ipm_cand.list[idx as usize] | |
1122 | }, | |
1123 | IntraMode::Mode(mode) => { | |
1124 | let mut imode = mode; | |
1125 | let mut ipm_cs: [u8; 3] = [ipm_cand.list[0], ipm_cand.list[1], ipm_cand.list[2]]; | |
1126 | ipm_cs.sort(); | |
1127 | for ic in ipm_cs.iter() { | |
1128 | if imode >= *ic { | |
1129 | imode += 1; | |
1130 | } | |
1131 | } | |
1132 | imode | |
1133 | }, | |
1134 | _ => unreachable!(), | |
1135 | } | |
1136 | } | |
1137 | fn populate_ipred(&mut self, hdr: &FrameHeader, src: &[u8], soff: usize, stride: usize, xoff: usize, yoff: usize, size: usize, is_luma: bool) { | |
1138 | let src_off = if is_luma { | |
1139 | soff + self.xpos + xoff + (self.ypos + yoff) * stride | |
1140 | } else { | |
1141 | soff + (self.xpos >> 1) + (self.ypos >> 1) * stride | |
1142 | }; | |
1143 | self.ipred = IntraPredContext::new(); | |
1144 | if (self.ypos + yoff) > 0 { | |
1145 | self.ipred.has_t = true; | |
1146 | for x in 0..size { | |
1147 | self.ipred.t[x + 1] = src[src_off - stride + x]; | |
1148 | } | |
1149 | if (is_luma && hdr.has_top_right_block(self.xpos, self.ypos, xoff, yoff, size)) || | |
1150 | (!is_luma && hdr.has_top_right_block(self.xpos, self.ypos, 0, 0, size << 1)) { | |
1151 | self.ipred.has_tr = true; | |
1152 | for x in size..size*2 { | |
1153 | self.ipred.t[x + 1] = src[src_off - stride + x]; | |
1154 | } | |
1155 | } else { | |
1156 | for i in 0..size { | |
1157 | self.ipred.t[size + i + 1] = self.ipred.t[size]; | |
1158 | } | |
1159 | } | |
1160 | if (self.xpos + xoff) > 0 { | |
1161 | self.ipred.t[0] = src[src_off - stride - 1]; | |
1162 | } | |
1163 | } | |
1164 | if (self.xpos + xoff) > 0 { | |
1165 | self.ipred.has_l = true; | |
1166 | for y in 0..size { | |
1167 | self.ipred.l[y + 1] = src[src_off - 1 + y * stride]; | |
1168 | } | |
1169 | if (is_luma && hdr.has_left_down_block(self.xpos, self.ypos, xoff, yoff, size)) || | |
1170 | (!is_luma && hdr.has_left_down_block(self.xpos, self.ypos, 0, 0, size << 1)) { | |
1171 | self.ipred.has_ld = true; | |
1172 | for y in size..size*2 { | |
1173 | self.ipred.l[y + 1] = src[src_off - 1 + y * stride]; | |
1174 | } | |
1175 | } else { | |
1176 | for i in 0..size { | |
1177 | self.ipred.l[size + i + 1] = self.ipred.l[size]; | |
1178 | } | |
1179 | } | |
1180 | if (self.ypos + yoff) > 0 { | |
1181 | self.ipred.l[0] = src[src_off - stride - 1]; | |
1182 | } | |
1183 | } | |
1184 | } | |
1185 | fn predict_mv(&self, hdr: &FrameHeader, mv_x: usize, mv_y: usize, mv_w: usize, mvi: &MVInfo) -> MVInfo { | |
1186 | let mv_pos = mv_x + mv_y * self.blk_stride; | |
1187 | let f_mv: MV; | |
1188 | let b_mv: MV; | |
1189 | if mvi.mvref.is_fwd() { | |
1190 | let mut mv_cand: [MV; 3] = [ZERO_MV; 3]; | |
1191 | let mut mv_cand_size: usize = 0; | |
1192 | if mv_x > 0 { | |
1193 | let ref_mv = &self.blk_info[mv_pos - 1].mv; | |
1194 | if ref_mv.matches_fwd(mvi.mvref) { | |
1195 | mv_cand[mv_cand_size] = ref_mv.f_mv; | |
1196 | mv_cand_size += 1; | |
1197 | } | |
1198 | } | |
1199 | if mv_y > 0 { | |
1200 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride].mv; | |
1201 | if ref_mv.matches_fwd(mvi.mvref) { | |
1202 | mv_cand[mv_cand_size] = ref_mv.f_mv; | |
1203 | mv_cand_size += 1; | |
1204 | } | |
1205 | } | |
1206 | if hdr.has_top_block(mv_x << 2, mv_y << 2, mv_w << 2, 0, 4) { | |
1207 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride + mv_w].mv; | |
1208 | if ref_mv.matches_fwd(mvi.mvref) { | |
1209 | mv_cand[mv_cand_size] = ref_mv.f_mv; | |
1210 | mv_cand_size += 1; | |
1211 | } | |
1212 | } | |
1213 | f_mv = match mv_cand_size { | |
1214 | 1 | 2 => { | |
1215 | let x = mv_cand[0].x + mv_cand[1].x + mv_cand[2].x; | |
1216 | let y = mv_cand[0].y + mv_cand[1].y + mv_cand[2].y; | |
1217 | if mv_cand_size == 1 { | |
1218 | MV { x, y } | |
1219 | } else { | |
1220 | MV { x: x >> 1, y: y >> 1 } | |
1221 | } | |
1222 | }, | |
1223 | 3 => MV::pred(mv_cand[0], mv_cand[1], mv_cand[2]), | |
1224 | _ => ZERO_MV, | |
1225 | }; | |
1226 | } else { | |
1227 | f_mv = ZERO_MV; | |
1228 | } | |
1229 | if mvi.mvref.is_bwd() { | |
1230 | let mut mv_cand: [MV; 3] = [ZERO_MV; 3]; | |
1231 | let mut mv_cand_size: usize = 0; | |
1232 | if mv_x > 0 { | |
1233 | let ref_mv = &self.blk_info[mv_pos - 1].mv; | |
1234 | if ref_mv.matches_bwd(mvi.mvref) { | |
1235 | mv_cand[mv_cand_size] = ref_mv.b_mv; | |
1236 | mv_cand_size += 1; | |
1237 | } | |
1238 | } | |
1239 | if mv_y > 0 { | |
1240 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride].mv; | |
1241 | if ref_mv.matches_bwd(mvi.mvref) { | |
1242 | mv_cand[mv_cand_size] = ref_mv.b_mv; | |
1243 | mv_cand_size += 1; | |
1244 | } | |
1245 | } | |
1246 | if hdr.has_top_block(mv_x << 2, mv_y << 2, mv_w << 2, 0, 4) { | |
1247 | let ref_mv = &self.blk_info[mv_pos - self.blk_stride + mv_w].mv; | |
1248 | if ref_mv.matches_bwd(mvi.mvref) { | |
1249 | mv_cand[mv_cand_size] = ref_mv.b_mv; | |
1250 | mv_cand_size += 1; | |
1251 | } | |
1252 | } | |
1253 | b_mv = match mv_cand_size { | |
1254 | 1 | 2 => { | |
1255 | let x = mv_cand[0].x + mv_cand[1].x + mv_cand[2].x; | |
1256 | let y = mv_cand[0].y + mv_cand[1].y + mv_cand[2].y; | |
1257 | if mv_cand_size == 1 { | |
1258 | MV { x, y } | |
1259 | } else { | |
1260 | MV { x: x >> 1, y: y >> 1 } | |
1261 | } | |
1262 | }, | |
1263 | 3 => MV::pred(mv_cand[0], mv_cand[1], mv_cand[2]), | |
1264 | _ => ZERO_MV, | |
1265 | }; | |
1266 | } else { | |
1267 | b_mv = ZERO_MV; | |
1268 | } | |
1269 | ||
1270 | MVInfo { f_mv: mvi.f_mv + f_mv, b_mv: mvi.b_mv + b_mv, mvref: mvi.mvref } | |
1271 | } | |
1272 | fn fill_skip_cand(&mut self, hdr: &FrameHeader, skip_cand: &mut UniqueList<MVInfo>, size: usize) { | |
1273 | let mv_size = size >> 2; | |
1274 | ||
1275 | if self.xpos > 0 { | |
1276 | let mv = &self.blk_info[self.blk_pos - 1].mv; | |
1277 | if mv.is_some() { | |
1278 | skip_cand.add(*mv); | |
1279 | } | |
1280 | } | |
1281 | if self.ypos > 0 { | |
1282 | let mv = &self.blk_info[self.blk_pos - self.blk_stride].mv; | |
1283 | if mv.is_some() { | |
1284 | skip_cand.add(*mv); | |
1285 | } | |
1286 | } | |
1287 | if hdr.has_top_right_block(self.xpos, self.ypos, 0, 0, size) { | |
1288 | let mv = &self.blk_info[self.blk_pos - self.blk_stride + mv_size].mv; | |
1289 | if mv.is_some() { | |
1290 | skip_cand.add(*mv); | |
1291 | } | |
1292 | } | |
1293 | if hdr.has_left_down_block(self.xpos, self.ypos, 0, 0, size) { | |
1294 | let mv = &self.blk_info[self.blk_pos + self.blk_stride * mv_size - 1].mv; | |
1295 | if mv.is_some() { | |
1296 | skip_cand.add(*mv); | |
1297 | } | |
1298 | } | |
1299 | if hdr.has_left_block(self.xpos, self.ypos, 0, 0, size) { | |
1300 | let mv = &self.blk_info[self.blk_pos + self.blk_stride * (mv_size - 1) - 1].mv; | |
1301 | if mv.is_some() { | |
1302 | skip_cand.add(*mv); | |
1303 | } | |
1304 | } | |
1305 | if hdr.has_top_block(self.xpos, self.ypos, 0, 0, size) { | |
1306 | let mv = &self.blk_info[self.blk_pos - self.blk_stride + mv_size - 1].mv; | |
1307 | if mv.is_some() { | |
1308 | skip_cand.add(*mv); | |
1309 | } | |
1310 | } | |
1311 | if (self.xpos > 0) && (self.ypos > 0) { | |
1312 | let mv = &self.blk_info[self.blk_pos - self.blk_stride - 1].mv; | |
1313 | if mv.is_some() { | |
1314 | skip_cand.add(*mv); | |
1315 | } | |
1316 | } | |
1317 | for i in skip_cand.fill..4 { | |
1318 | skip_cand.list[i] = MVInfo { f_mv: ZERO_MV, b_mv: ZERO_MV, mvref: MVRef::Ref0 }; | |
1319 | } | |
1320 | } | |
1321 | fn deblock_cb_tree(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, xpos: usize, ypos: usize, log_size: u8) { | |
1322 | if (xpos >= hdr.width) || (ypos >= hdr.height) { return; } | |
1323 | let split = (log_size > 3) && self.cu_splits.pop().unwrap(); | |
1324 | if split { | |
1325 | let hsize = 1 << (log_size - 1); | |
1326 | self.deblock_cb_tree(buf, hdr, xpos, ypos, log_size - 1); | |
1327 | self.deblock_cb_tree(buf, hdr, xpos + hsize, ypos, log_size - 1); | |
1328 | self.deblock_cb_tree(buf, hdr, xpos, ypos + hsize, log_size - 1); | |
1329 | self.deblock_cb_tree(buf, hdr, xpos + hsize, ypos + hsize, log_size - 1); | |
1330 | } else { | |
1331 | let pu_pos = (xpos >> 3) + (ypos >> 3) * self.pu_stride; | |
1332 | let cu_type = self.pu_info[pu_pos].cu_type; | |
1333 | let tsize = if self.pu_info[pu_pos].ttype == TransformType::T16X16 { 4 } else { 3 }; | |
1334 | let ntiles = 1 << (log_size - tsize); | |
1335 | let dparams = RV60DeblockParams { | |
1336 | deblock_chroma: hdr.deblock_chroma, | |
1337 | width: hdr.width, | |
1338 | height: hdr.height, | |
1339 | dblkstride: self.dblk.stride, | |
1340 | }; | |
1341 | for ty in 0..ntiles { | |
1342 | for tx in 0..ntiles { | |
1343 | let x = xpos + (tx << tsize); | |
1344 | let y = ypos + (ty << tsize); | |
1345 | let cb_pos = ((x & 63) >> 3) + ((y & 63) >> 3) * 8; | |
1346 | if cu_type == CUType::Intra { | |
1347 | self.dblk.set_strength(x, y, 1 << tsize, self.qp, 2); | |
1348 | } else if (cu_type != CUType::Skip) && self.coded_blk[cb_pos] { | |
1349 | self.dblk.set_strength(x, y, 1 << tsize, self.qp, 1); | |
1350 | } else { | |
1351 | self.dblk.set_strength(x, y, 1 << tsize, self.qp, 0); | |
1352 | self.derive_deblock_strength(x, y, 1 << (tsize - 2)); | |
1353 | } | |
1354 | self.dsp.do_deblock(&dparams, buf, x, y, 1 << tsize, | |
1355 | self.dblk.top_str.as_slice(), | |
1356 | self.dblk.left_str.as_slice(), | |
1357 | self.dblk.get_pos(x, y)); | |
1358 | } | |
1359 | } | |
1360 | } | |
1361 | } | |
1362 | fn derive_deblock_strength(&mut self, xpos: usize, ypos: usize, size4: usize) { | |
1363 | let blk_pos = (xpos >> 2) + (ypos >> 2) * self.blk_stride; | |
1364 | let mut dblk_pos = self.dblk.get_pos(xpos, ypos); | |
1365 | if ypos > 0 { | |
1366 | let top_blk_pos = blk_pos - self.blk_stride; | |
1367 | for i in 0..size4 { | |
1368 | if self.dblk.get_top_strength(dblk_pos + i) == 0 { | |
1369 | if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[top_blk_pos + i].mv) { | |
1370 | self.dblk.set_top_strength(dblk_pos + i, 1); | |
1371 | } | |
1372 | } | |
1373 | } | |
1374 | } | |
1375 | if xpos > 0 { | |
1376 | for i in 0..size4 { | |
1377 | if self.dblk.get_left_strength(dblk_pos) == 0 { | |
1378 | if self.blk_info[blk_pos + i].mv.is_deblock_cand(&self.blk_info[blk_pos + i - 1].mv) { | |
1379 | self.dblk.set_left_strength(dblk_pos, 1); | |
1380 | } | |
1381 | } | |
1382 | dblk_pos += self.dblk.stride; | |
1383 | } | |
1384 | } | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | impl NADecoder for RealVideo60Decoder { | |
1389 | fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { | |
1390 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { | |
1391 | let fmt = YUV420_FORMAT; | |
1392 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, fmt)); | |
1393 | self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); | |
1394 | ||
1395 | let edata = info.get_extradata().unwrap(); | |
1396 | let src: &[u8] = &edata; | |
1397 | ||
1398 | if src.len() < 8 { return Err(DecoderError::InvalidData); } | |
1399 | let mut mr = MemoryReader::new_read(src); | |
1400 | let mut br = ByteReader::new(&mut mr); | |
1401 | let _flags = br.read_u32be()?; | |
1402 | let version = br.read_u32be()?; | |
1403 | let _unk = br.read_u16be()?; | |
1404 | validate!((version >> 28) == 4); | |
1405 | // then width and height again as 16be | |
1406 | ||
1407 | //self.bd.width = vinfo.get_width(); | |
1408 | //self.bd.height = vinfo.get_height(); | |
1409 | //self.frmmgr.clear(); | |
1410 | ||
1411 | supp.pool_u8.set_dec_bufs(3); | |
1412 | supp.pool_u8.prealloc_video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, fmt), 6)?; | |
1413 | ||
1414 | Ok(()) | |
1415 | } else { | |
1416 | println!("???"); | |
1417 | Err(DecoderError::InvalidData) | |
1418 | } | |
1419 | } | |
1420 | fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { | |
1421 | let src = pkt.get_buffer(); | |
1422 | ||
1423 | validate!(src.len() > 9); | |
1424 | let hsize = (src[0] as usize) * 8 + 9; | |
1425 | let mut br = BitReader::new(&src[hsize..], BitReaderMode::BE); | |
1426 | let hdr = FrameHeader::read(&mut br)?; | |
1427 | match self.skip_mode { | |
1428 | FrameSkipMode::None => {}, | |
1429 | FrameSkipMode::KeyframesOnly => { | |
1430 | if hdr.ftype == FrameType::B { | |
1431 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::None); | |
1432 | frm.set_frame_type(FrameType::Skip); | |
1433 | return Ok(frm.into_ref()); | |
1434 | } | |
1435 | }, | |
1436 | FrameSkipMode::IntraOnly => { | |
1437 | if hdr.ftype != FrameType::I { | |
1438 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::None); | |
1439 | frm.set_frame_type(FrameType::Skip); | |
1440 | return Ok(frm.into_ref()); | |
1441 | } | |
1442 | }, | |
1443 | }; | |
1444 | ||
1445 | let mut slices: Vec<usize> = Vec::new(); | |
1446 | hdr.parse_slice_sizes(&mut br, &mut slices)?; | |
1447 | match hdr.ftype { | |
1448 | FrameType::P => { | |
1449 | if self.ipbs.get_lastref().is_none() { | |
1450 | return Err(DecoderError::MissingReference); | |
1451 | } | |
1452 | }, | |
1453 | FrameType::B => { | |
1454 | if self.ipbs.get_lastref().is_none() { | |
1455 | return Err(DecoderError::MissingReference); | |
1456 | } | |
1457 | if self.ipbs.get_nextref().is_none() { | |
1458 | return Err(DecoderError::MissingReference); | |
1459 | } | |
1460 | }, | |
1461 | _ => {}, | |
1462 | }; | |
1463 | ||
1464 | let tmp_vinfo = NAVideoInfo::new(hdr.width, hdr.height, false, YUV420_FORMAT); | |
1465 | let ret = supp.pool_u8.get_free(); | |
1466 | if ret.is_none() { | |
1467 | return Err(DecoderError::AllocError); | |
1468 | } | |
1469 | let mut buf = ret.unwrap(); | |
1470 | if buf.get_info() != tmp_vinfo { | |
1471 | self.ipbs.clear(); | |
1472 | supp.pool_u8.reset(); | |
1473 | supp.pool_u8.prealloc_video(tmp_vinfo, 6)?; | |
1474 | let ret = supp.pool_u8.get_free(); | |
1475 | if ret.is_none() { | |
1476 | return Err(DecoderError::AllocError); | |
1477 | } | |
1478 | buf = ret.unwrap(); | |
1479 | } | |
1480 | ||
1481 | let cu_w = hdr.get_width_cu(); | |
1482 | let cu_h = hdr.get_height_cu(); | |
1483 | self.pu_stride = cu_w << 3; | |
1484 | self.pu_info.resize(self.pu_stride * (cu_h << 3), PUInfo::default()); | |
1485 | self.blk_stride = cu_w << 4; | |
1486 | self.blk_info.clear(); | |
1487 | self.blk_info.resize(self.blk_stride * (cu_h << 4), BlockInfo::default()); | |
1488 | if hdr.deblock { | |
1489 | self.dblk.reinit(hdr.width, hdr.height); | |
1490 | } | |
1491 | let mut off = hsize + ((br.tell() >> 3) as usize); | |
1492 | let mut dframe = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap(); | |
1493 | for (cu_y, size) in slices.into_iter().enumerate() { | |
1494 | self.decode_cu_line(&mut dframe, &hdr, &src[off..][..size], cu_y)?; | |
1495 | off += size; | |
1496 | } | |
1497 | if (hdr.ftype == FrameType::I) || (hdr.ftype == FrameType::P) { | |
1498 | self.ipbs.add_frame(buf.clone()); | |
1499 | } | |
1500 | ||
1501 | if hdr.ftype != FrameType::B { | |
1502 | self.ref0_pts = self.ref1_pts; | |
1503 | self.ref1_pts = pkt.get_pts().unwrap_or(0); | |
1504 | self.ref0_ts = self.ref1_ts; | |
1505 | self.ref1_ts = hdr.ts as u64; | |
1506 | if (self.ref1_pts > self.ref0_pts) && (self.ref1_ts > self.ref0_ts) { | |
1507 | self.ts_scale = (self.ref1_pts - self.ref0_pts) / (self.ref1_ts - self.ref0_ts); | |
1508 | } | |
1509 | } | |
1510 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf)); | |
1511 | frm.set_keyframe(hdr.ftype == FrameType::I); | |
1512 | if hdr.ftype == FrameType::B { | |
1513 | let pts = self.ref0_pts + ((hdr.ts as u64) - self.ref0_ts) * self.ts_scale; | |
1514 | frm.set_pts(Some(pts)); | |
1515 | } | |
1516 | frm.set_frame_type(hdr.ftype); | |
1517 | Ok(frm.into_ref()) | |
1518 | } | |
1519 | fn flush(&mut self) { | |
1520 | self.ipbs.clear(); | |
1521 | } | |
1522 | } | |
1523 | ||
1524 | const DECODER_OPTIONS: &[NAOptionDefinition] = &[ | |
1525 | NAOptionDefinition { | |
1526 | name: FRAME_SKIP_OPTION, description: FRAME_SKIP_OPTION_DESC, | |
1527 | opt_type: NAOptionDefinitionType::String(Some(&[ | |
1528 | FRAME_SKIP_OPTION_VAL_NONE, | |
1529 | FRAME_SKIP_OPTION_VAL_KEYFRAME, | |
1530 | FRAME_SKIP_OPTION_VAL_INTRA | |
1531 | ])) }, | |
1532 | ]; | |
1533 | ||
1534 | impl NAOptionHandler for RealVideo60Decoder { | |
1535 | fn get_supported_options(&self) -> &[NAOptionDefinition] { DECODER_OPTIONS } | |
1536 | fn set_options(&mut self, options: &[NAOption]) { | |
1537 | for option in options.iter() { | |
1538 | for opt_def in DECODER_OPTIONS.iter() { | |
1539 | if opt_def.check(option).is_ok() { | |
1540 | match (option.name, &option.value) { | |
1541 | (FRAME_SKIP_OPTION, NAValue::String(ref str)) => { | |
1542 | if let Ok(smode) = FrameSkipMode::from_str(str) { | |
1543 | self.skip_mode = smode; | |
1544 | } | |
1545 | }, | |
1546 | _ => {}, | |
1547 | } | |
1548 | } | |
1549 | } | |
1550 | } | |
1551 | } | |
1552 | fn query_option_value(&self, name: &str) -> Option<NAValue> { | |
1553 | match name { | |
1554 | FRAME_SKIP_OPTION => Some(NAValue::String(self.skip_mode.to_string())), | |
1555 | _ => None, | |
1556 | } | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | pub fn get_decoder() -> Box<dyn NADecoder + Send> { | |
1561 | Box::new(RealVideo60Decoder::new()) | |
1562 | } | |
1563 | ||
1564 | #[cfg(test)] | |
1565 | mod test { | |
1566 | use nihav_core::codecs::RegisteredDecoders; | |
1567 | use nihav_core::demuxers::RegisteredDemuxers; | |
1568 | use nihav_codec_support::test::dec_video::*; | |
1569 | use crate::realmedia_register_all_decoders; | |
1570 | use crate::realmedia_register_all_demuxers; | |
1571 | #[test] | |
1572 | fn test_rv60() { | |
1573 | let mut dmx_reg = RegisteredDemuxers::new(); | |
1574 | realmedia_register_all_demuxers(&mut dmx_reg); | |
1575 | let mut dec_reg = RegisteredDecoders::new(); | |
1576 | realmedia_register_all_decoders(&mut dec_reg); | |
1577 | ||
1578 | // sample from a private collection | |
1579 | test_decoding("realmedia", "realvideo6", "assets/RV/RV60.rmhd", Some(1000), &dmx_reg, &dec_reg, | |
1580 | ExpectedTestResult::MD5Frames(vec![ | |
1581 | [0x2b1f1807, 0x09edef33, 0x0e6c78c1, 0x3b3c8179], | |
1582 | [0xea406850, 0x400802b8, 0xac106fb6, 0xe1e2e766], | |
1583 | [0x2b1f1807, 0x09edef33, 0x0e6c78c1, 0x3b3c8179], | |
1584 | [0xb04e2626, 0x976e16f5, 0xc41a7a78, 0x2d8765da], | |
1585 | [0xf4f30d97, 0x7f2876eb, 0x265ffad4, 0x3542a7c4], | |
1586 | [0xa5082524, 0x38a86952, 0x35bf1fee, 0xfc830d3f], | |
1587 | [0x75eab1a2, 0x62e2222f, 0xe96a20d9, 0x652140b4], | |
1588 | [0x7590fa49, 0x78c83490, 0x239eeff9, 0x64282ac7], | |
1589 | [0x70b19e9f, 0x66c1f866, 0xb8d7142a, 0xf3e424b2], | |
1590 | [0xc2934123, 0x3bf72fc4, 0x12d8d123, 0x1f39525b], | |
1591 | [0x13344919, 0xecd01190, 0x2f69079b, 0xbf4d7026], | |
1592 | [0xcefb3284, 0xa9b36d4d, 0xf1aa6752, 0xaae17d44], | |
1593 | [0x57f01275, 0xf8e883ea, 0x4865752e, 0xc760a777]])); | |
1594 | } | |
1595 | } |