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Commit | Line | Data |
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cf64af13 | 1 | use std::mem; |
88c58b1b KS |
2 | use frame::*; |
3 | use super::super::*; | |
4 | use super::super::blockdsp; | |
cf64af13 | 5 | use super::*; |
88c58b1b | 6 | use super::code::*; |
cf64af13 KS |
7 | use formats; |
8 | ||
cf64af13 KS |
9 | #[allow(dead_code)] |
10 | struct MVInfo { | |
11 | mv: Vec<MV>, | |
12 | mb_w: usize, | |
13 | mb_stride: usize, | |
14 | mb_start: usize, | |
15 | top: bool, | |
2324f30b | 16 | mvmode: MVMode, |
cf64af13 KS |
17 | } |
18 | ||
19 | impl MVInfo { | |
2324f30b KS |
20 | fn new() -> Self { MVInfo{ mv: Vec::new(), mb_w: 0, mb_stride: 0, mb_start: 0, top: true, mvmode: MVMode::Old } } |
21 | fn reset(&mut self, mb_w: usize, mb_start: usize, mvmode: MVMode) { | |
cf64af13 KS |
22 | self.mb_start = mb_start; |
23 | self.mb_w = mb_w; | |
24 | self.mb_stride = mb_w * 2; | |
25 | self.top = true; | |
26 | self.mv.resize(self.mb_stride * 3, ZERO_MV); | |
2324f30b | 27 | self.mvmode = mvmode; |
cf64af13 KS |
28 | } |
29 | fn update_row(&mut self) { | |
30 | self.mb_start = self.mb_w + 1; | |
31 | self.top = false; | |
32 | for i in 0..self.mb_stride { | |
33 | self.mv[i] = self.mv[self.mb_stride * 2 + i]; | |
34 | } | |
35 | } | |
36 | #[allow(non_snake_case)] | |
37 | fn predict(&mut self, mb_x: usize, blk_no: usize, use4: bool, diff: MV) -> MV { | |
38 | let A; | |
39 | let B; | |
40 | let C; | |
41 | let last = mb_x == self.mb_w - 1; | |
cf64af13 KS |
42 | match blk_no { |
43 | 0 => { | |
44 | if mb_x != self.mb_start { | |
45 | A = if mb_x != 0 { self.mv[self.mb_stride + mb_x * 2 - 1] } else { ZERO_MV }; | |
46 | B = if !self.top { self.mv[ mb_x * 2] } else { A }; | |
47 | C = if !self.top && !last { self.mv[mb_x * 2 + 2] } else { ZERO_MV }; | |
48 | } else { | |
49 | A = ZERO_MV; B = ZERO_MV; C = ZERO_MV; | |
50 | } | |
51 | }, | |
52 | 1 => { | |
53 | A = self.mv[self.mb_stride + mb_x * 2]; | |
54 | B = if !self.top { self.mv[mb_x * 2 + 1] } else { A }; | |
55 | C = if !self.top && !last { self.mv[mb_x * 2 + 2] } else { A }; | |
56 | }, | |
57 | 2 => { | |
58 | A = if mb_x != self.mb_start { self.mv[self.mb_stride * 2 + mb_x * 2 - 1] } else { ZERO_MV }; | |
59 | B = self.mv[self.mb_stride + mb_x * 2]; | |
60 | C = self.mv[self.mb_stride + mb_x * 2 + 1]; | |
61 | }, | |
62 | 3 => { | |
63 | A = self.mv[self.mb_stride * 2 + mb_x * 2]; | |
64 | B = self.mv[self.mb_stride * 1 + mb_x * 2 + 1]; | |
65 | C = self.mv[self.mb_stride * 1 + mb_x * 2]; | |
66 | }, | |
67 | _ => { return ZERO_MV; } | |
68 | } | |
cf64af13 | 69 | let pred_mv = MV::pred(A, B, C); |
2324f30b | 70 | let new_mv = MV::add_umv(pred_mv, diff, self.mvmode); |
cf64af13 KS |
71 | if !use4 { |
72 | self.mv[self.mb_stride * 1 + mb_x * 2 + 0] = new_mv; | |
73 | self.mv[self.mb_stride * 1 + mb_x * 2 + 1] = new_mv; | |
74 | self.mv[self.mb_stride * 2 + mb_x * 2 + 0] = new_mv; | |
75 | self.mv[self.mb_stride * 2 + mb_x * 2 + 1] = new_mv; | |
76 | } else { | |
77 | match blk_no { | |
78 | 0 => { self.mv[self.mb_stride * 1 + mb_x * 2 + 0] = new_mv; }, | |
79 | 1 => { self.mv[self.mb_stride * 1 + mb_x * 2 + 1] = new_mv; }, | |
80 | 2 => { self.mv[self.mb_stride * 2 + mb_x * 2 + 0] = new_mv; }, | |
81 | 3 => { self.mv[self.mb_stride * 2 + mb_x * 2 + 1] = new_mv; }, | |
82 | _ => {}, | |
83 | }; | |
84 | } | |
85 | ||
86 | new_mv | |
87 | } | |
88 | fn set_zero_mv(&mut self, mb_x: usize) { | |
89 | self.mv[self.mb_stride * 1 + mb_x * 2 + 0] = ZERO_MV; | |
90 | self.mv[self.mb_stride * 1 + mb_x * 2 + 1] = ZERO_MV; | |
91 | self.mv[self.mb_stride * 2 + mb_x * 2 + 0] = ZERO_MV; | |
92 | self.mv[self.mb_stride * 2 + mb_x * 2 + 1] = ZERO_MV; | |
93 | } | |
94 | } | |
95 | ||
21c16d5f KS |
96 | #[allow(dead_code)] |
97 | #[derive(Clone,Copy)] | |
98 | struct BMB { | |
99 | num_mv: usize, | |
100 | mv_f: [MV; 4], | |
101 | mv_b: [MV; 4], | |
102 | fwd: bool, | |
103 | blk: [[i16; 64]; 6], | |
104 | cbp: u8, | |
105 | } | |
106 | ||
107 | impl BMB { | |
108 | fn new() -> Self { BMB {blk: [[0; 64]; 6], cbp: 0, fwd: false, mv_f: [ZERO_MV; 4], mv_b: [ZERO_MV; 4], num_mv: 0} } | |
109 | } | |
110 | ||
ef3209c7 KS |
111 | #[derive(Clone,Copy)] |
112 | struct PredCoeffs { | |
113 | hor: [[i16; 8]; 6], | |
114 | ver: [[i16; 8]; 6], | |
115 | } | |
116 | ||
117 | const ZERO_PRED_COEFFS: PredCoeffs = PredCoeffs { hor: [[0; 8]; 6], ver: [[0; 8]; 6] }; | |
118 | ||
88c58b1b | 119 | pub struct H263BaseDecoder { |
cf64af13 KS |
120 | w: usize, |
121 | h: usize, | |
122 | mb_w: usize, | |
123 | mb_h: usize, | |
124 | num_mb: usize, | |
125 | ftype: Type, | |
126 | prev_frm: Option<NAVideoBuffer<u8>>, | |
127 | cur_frm: Option<NAVideoBuffer<u8>>, | |
21c16d5f KS |
128 | last_ts: u8, |
129 | has_b: bool, | |
130 | b_data: Vec<BMB>, | |
ef3209c7 KS |
131 | pred_coeffs: Vec<PredCoeffs>, |
132 | } | |
133 | ||
134 | #[inline] | |
135 | fn clip_dc(dc: i16) -> i16 { | |
136 | if dc < 0 { 0 } | |
137 | else if dc > 2046 { 2046 } | |
138 | else { (dc + 1) & !1 } | |
139 | } | |
140 | ||
141 | #[inline] | |
142 | fn clip_ac(ac: i16) -> i16 { | |
143 | if ac < -2048 { -2048 } | |
144 | else if ac > 2047 { 2047 } | |
145 | else { ac } | |
cf64af13 KS |
146 | } |
147 | ||
148 | #[allow(dead_code)] | |
88c58b1b | 149 | impl H263BaseDecoder { |
cf64af13 | 150 | pub fn new() -> Self { |
88c58b1b | 151 | H263BaseDecoder{ |
cf64af13 KS |
152 | w: 0, h: 0, mb_w: 0, mb_h: 0, num_mb: 0, |
153 | ftype: Type::Special, | |
154 | prev_frm: None, cur_frm: None, | |
21c16d5f KS |
155 | last_ts: 0, |
156 | has_b: false, b_data: Vec::new(), | |
ef3209c7 | 157 | pred_coeffs: Vec::new(), |
cf64af13 KS |
158 | } |
159 | } | |
160 | ||
161 | pub fn is_intra(&self) -> bool { self.ftype == Type::I } | |
162 | pub fn get_dimensions(&self) -> (usize, usize) { (self.w, self.h) } | |
163 | ||
2a2aa421 | 164 | pub fn parse_frame(&mut self, bd: &mut BlockDecoder, bdsp: &BlockDSP) -> DecoderResult<NABufferType> { |
cf64af13 | 165 | let pinfo = bd.decode_pichdr()?; |
21c16d5f | 166 | let mut mvi = MVInfo::new(); |
f2f1afb2 | 167 | let mut cbpi = CBPInfo::new(); |
cf64af13 KS |
168 | |
169 | //todo handle res change | |
170 | self.w = pinfo.w; | |
171 | self.h = pinfo.h; | |
172 | self.mb_w = (pinfo.w + 15) >> 4; | |
173 | self.mb_h = (pinfo.h + 15) >> 4; | |
174 | self.num_mb = self.mb_w * self.mb_h; | |
175 | self.ftype = pinfo.mode; | |
21c16d5f KS |
176 | self.has_b = pinfo.is_pb(); |
177 | ||
178 | if self.has_b { | |
179 | self.b_data.truncate(0); | |
180 | } | |
cf64af13 KS |
181 | |
182 | mem::swap(&mut self.cur_frm, &mut self.prev_frm); | |
cf64af13 | 183 | |
21c16d5f KS |
184 | let tsdiff = pinfo.ts.wrapping_sub(self.last_ts); |
185 | let bsdiff = if pinfo.is_pb() { pinfo.get_pbinfo().get_trb() } else { 0 }; | |
186 | ||
cf64af13 KS |
187 | let fmt = formats::YUV420_FORMAT; |
188 | let vinfo = NAVideoInfo::new(self.w, self.h, false, fmt); | |
189 | let bufret = alloc_video_buffer(vinfo, 4); | |
190 | if let Err(_) = bufret { return Err(DecoderError::InvalidData); } | |
191 | let mut bufinfo = bufret.unwrap(); | |
192 | let mut buf = bufinfo.get_vbuf().unwrap(); | |
193 | ||
2a2aa421 KS |
194 | let mut slice = if bd.is_gob() { |
195 | SliceInfo::get_default_slice(&pinfo) | |
196 | } else { | |
197 | bd.decode_slice_header(&pinfo)? | |
198 | }; | |
2324f30b | 199 | mvi.reset(self.mb_w, 0, pinfo.get_mvmode()); |
f2f1afb2 | 200 | cbpi.reset(self.mb_w); |
cf64af13 KS |
201 | |
202 | let mut blk: [[i16; 64]; 6] = [[0; 64]; 6]; | |
2a2aa421 KS |
203 | let mut sstate = SliceState::new(pinfo.mode == Type::I); |
204 | let mut mb_pos = 0; | |
ef3209c7 KS |
205 | let apply_acpred = (pinfo.mode == Type::I) && pinfo.plusinfo.is_some() && pinfo.plusinfo.unwrap().aic; |
206 | if apply_acpred { | |
207 | self.pred_coeffs.truncate(0); | |
208 | self.pred_coeffs.resize(self.mb_w * self.mb_h, ZERO_PRED_COEFFS); | |
209 | } | |
cf64af13 KS |
210 | for mb_y in 0..self.mb_h { |
211 | for mb_x in 0..self.mb_w { | |
212 | for i in 0..6 { for j in 0..64 { blk[i][j] = 0; } } | |
213 | ||
2a2aa421 | 214 | if slice.is_at_end(mb_pos) || (slice.needs_check() && mb_pos > 0 && bd.is_slice_end()) { |
cf64af13 | 215 | slice = bd.decode_slice_header(&pinfo)?; |
2324f30b | 216 | //mvi.reset(self.mb_w, mb_x, pinfo.get_mvmode()); |
f2f1afb2 | 217 | //cbpi.reset(self.mb_w); |
cf64af13 KS |
218 | } |
219 | ||
2a2aa421 | 220 | let binfo = bd.decode_block_header(&pinfo, &slice, &sstate)?; |
cf64af13 | 221 | let cbp = binfo.get_cbp(); |
f2f1afb2 KS |
222 | cbpi.set_cbp(mb_x, cbp); |
223 | cbpi.set_q(mb_x, binfo.get_q()); | |
cf64af13 KS |
224 | if binfo.is_intra() { |
225 | for i in 0..6 { | |
2a2aa421 | 226 | bd.decode_block_intra(&binfo, &sstate, binfo.get_q(), i, (cbp & (1 << (5 - i))) != 0, &mut blk[i])?; |
ef3209c7 KS |
227 | if apply_acpred && (binfo.acpred != ACPredMode::None) { |
228 | let has_b = (i == 1) || (i == 3) || (mb_x > 0); | |
229 | let has_a = (i == 2) || (i == 3) || (mb_y > 0); | |
230 | let (b_mb, b_blk) = if has_b { | |
231 | if (i == 1) || (i == 3) { | |
232 | (mb_pos, i - 1) | |
233 | } else if i < 4 { | |
234 | (mb_pos - 1, i + 1) | |
235 | } else { | |
236 | (mb_pos - 1, i) | |
237 | } | |
238 | } else { (0, 0) }; | |
239 | let (a_mb, a_blk) = if has_a { | |
240 | if (i == 2) || (i == 3) { | |
241 | (mb_pos, i - 2) | |
242 | } else if i < 4 { | |
243 | (mb_pos - self.mb_w, i + 2) | |
244 | } else { | |
245 | (mb_pos - self.mb_w, i) | |
246 | } | |
247 | } else { (0, 0) }; | |
248 | match binfo.acpred { | |
249 | ACPredMode::DC => { | |
250 | let dc; | |
251 | if has_a && has_b { | |
252 | dc = (self.pred_coeffs[b_mb].hor[b_blk][0] + self.pred_coeffs[a_mb].ver[a_blk][0]) / 2; | |
253 | } else if has_a { | |
254 | dc = self.pred_coeffs[a_mb].ver[a_blk][0]; | |
255 | } else if has_b { | |
256 | dc = self.pred_coeffs[b_mb].hor[b_blk][0]; | |
257 | } else { | |
258 | dc = 1024; | |
259 | } | |
260 | blk[i][0] = clip_dc(blk[i][0] + dc); | |
261 | }, | |
262 | ACPredMode::Hor => { | |
263 | if has_b { | |
264 | for k in 0..8 { | |
265 | blk[i][k * 8] += self.pred_coeffs[b_mb].hor[b_blk][k]; | |
266 | } | |
267 | for k in 1..8 { | |
268 | blk[i][k * 8] = clip_ac(blk[i][k * 8]); | |
269 | } | |
270 | } else { | |
271 | blk[i][0] += 1024; | |
272 | } | |
273 | blk[i][0] = clip_dc(blk[i][0]); | |
274 | }, | |
275 | ACPredMode::Ver => { | |
276 | if has_a { | |
277 | for k in 0..8 { | |
278 | blk[i][k] += self.pred_coeffs[a_mb].ver[a_blk][k]; | |
279 | } | |
280 | for k in 1..8 { | |
281 | blk[i][k] = clip_ac(blk[i][k]); | |
282 | } | |
283 | } else { | |
284 | blk[i][0] += 1024; | |
285 | } | |
286 | blk[i][0] = clip_dc(blk[i][0]); | |
287 | }, | |
288 | ACPredMode::None => {}, | |
289 | }; | |
290 | for t in 0..8 { self.pred_coeffs[mb_pos].hor[i][t] = blk[i][t * 8]; } | |
291 | for t in 0..8 { self.pred_coeffs[mb_pos].ver[i][t] = blk[i][t]; } | |
292 | } | |
cf64af13 KS |
293 | h263_idct(&mut blk[i]); |
294 | } | |
295 | blockdsp::put_blocks(&mut buf, mb_x, mb_y, &blk); | |
296 | mvi.set_zero_mv(mb_x); | |
297 | } else if !binfo.is_skipped() { | |
298 | if binfo.get_num_mvs() == 1 { | |
299 | let mv = mvi.predict(mb_x, 0, false, binfo.get_mv(0)); | |
cf64af13 | 300 | if let Some(ref srcbuf) = self.prev_frm { |
2a2aa421 | 301 | bdsp.copy_blocks(&mut buf, srcbuf, mb_x * 16, mb_y * 16, 16, 16, mv); |
cf64af13 KS |
302 | } |
303 | } else { | |
304 | for blk_no in 0..4 { | |
305 | let mv = mvi.predict(mb_x, blk_no, true, binfo.get_mv(blk_no)); | |
cf64af13 | 306 | if let Some(ref srcbuf) = self.prev_frm { |
2a2aa421 KS |
307 | bdsp.copy_blocks(&mut buf, srcbuf, |
308 | mb_x * 16 + (blk_no & 1) * 8, | |
309 | mb_y * 16 + (blk_no & 2) * 4, 8, 8, mv); | |
cf64af13 KS |
310 | } |
311 | } | |
cf64af13 KS |
312 | } |
313 | for i in 0..6 { | |
2a2aa421 | 314 | bd.decode_block_inter(&binfo, &sstate, binfo.get_q(), i, ((cbp >> (5 - i)) & 1) != 0, &mut blk[i])?; |
cf64af13 KS |
315 | h263_idct(&mut blk[i]); |
316 | } | |
317 | blockdsp::add_blocks(&mut buf, mb_x, mb_y, &blk); | |
318 | } else { | |
319 | mvi.set_zero_mv(mb_x); | |
320 | if let Some(ref srcbuf) = self.prev_frm { | |
2a2aa421 | 321 | bdsp.copy_blocks(&mut buf, srcbuf, mb_x * 16, mb_y * 16, 16, 16, ZERO_MV); |
cf64af13 KS |
322 | } |
323 | } | |
21c16d5f KS |
324 | if pinfo.is_pb() { |
325 | let mut b_mb = BMB::new(); | |
cf64af13 | 326 | let cbp = binfo.get_cbp_b(); |
21c16d5f KS |
327 | let bq = (((pinfo.get_pbinfo().get_dbquant() + 5) as u16) * (binfo.get_q() as u16)) >> 2; |
328 | let bquant; | |
329 | if bq < 1 { bquant = 1; } | |
330 | else if bq > 31 { bquant = 31; } | |
331 | else { bquant = bq as u8; } | |
332 | ||
333 | b_mb.cbp = cbp; | |
cf64af13 | 334 | for i in 0..6 { |
2a2aa421 | 335 | bd.decode_block_inter(&binfo, &sstate, bquant, i, (cbp & (1 << (5 - i))) != 0, &mut b_mb.blk[i])?; |
21c16d5f | 336 | h263_idct(&mut b_mb.blk[i]); |
cf64af13 | 337 | } |
21c16d5f | 338 | |
88c58b1b | 339 | let is_fwd = !binfo.is_b_fwd(); |
21c16d5f KS |
340 | b_mb.fwd = is_fwd; |
341 | b_mb.num_mv = binfo.get_num_mvs(); | |
342 | if binfo.get_num_mvs() == 0 { | |
343 | b_mb.num_mv = 1; | |
344 | b_mb.mv_f[0] = binfo.get_mv2(1); | |
345 | b_mb.mv_b[0] = binfo.get_mv2(0); | |
88c58b1b KS |
346 | } else if binfo.get_num_mvs() == 1 { |
347 | let src_mv = binfo.get_mv(0).scale(bsdiff, tsdiff); | |
2324f30b | 348 | let mv_f = MV::add_umv(src_mv, binfo.get_mv2(0), pinfo.get_mvmode()); |
21c16d5f KS |
349 | let mv_b = MV::b_sub(binfo.get_mv(0), mv_f, binfo.get_mv2(0), bsdiff, tsdiff); |
350 | b_mb.mv_f[0] = mv_f; | |
351 | b_mb.mv_b[0] = mv_b; | |
352 | } else { | |
353 | for blk_no in 0..4 { | |
88c58b1b | 354 | let src_mv = binfo.get_mv(blk_no).scale(bsdiff, tsdiff); |
2324f30b | 355 | let mv_f = MV::add_umv(src_mv, binfo.get_mv2(0), pinfo.get_mvmode()); |
21c16d5f KS |
356 | let mv_b = MV::b_sub(binfo.get_mv(blk_no), mv_f, binfo.get_mv2(0), bsdiff, tsdiff); |
357 | b_mb.mv_f[blk_no] = mv_f; | |
358 | b_mb.mv_b[blk_no] = mv_b; | |
cf64af13 KS |
359 | } |
360 | } | |
21c16d5f | 361 | self.b_data.push(b_mb); |
cf64af13 | 362 | } |
2a2aa421 KS |
363 | sstate.next_mb(); |
364 | mb_pos += 1; | |
cf64af13 | 365 | } |
2a2aa421 KS |
366 | if let Some(plusinfo) = pinfo.plusinfo { |
367 | if plusinfo.deblock { | |
368 | bdsp.filter_row(&mut buf, mb_y, self.mb_w, &cbpi); | |
369 | } | |
f2f1afb2 | 370 | } |
cf64af13 | 371 | mvi.update_row(); |
f2f1afb2 | 372 | cbpi.update_row(); |
2a2aa421 | 373 | sstate.new_row(); |
cf64af13 | 374 | } |
f2f1afb2 | 375 | |
cf64af13 | 376 | self.cur_frm = Some(buf); |
21c16d5f | 377 | self.last_ts = pinfo.ts; |
cf64af13 KS |
378 | Ok(bufinfo) |
379 | } | |
380 | ||
2a2aa421 | 381 | pub fn get_bframe(&mut self, bdsp: &BlockDSP) -> DecoderResult<NABufferType> { |
21c16d5f KS |
382 | if !self.has_b || !self.cur_frm.is_some() || !self.prev_frm.is_some() { |
383 | return Err(DecoderError::MissingReference); | |
384 | } | |
385 | self.has_b = false; | |
386 | ||
387 | let fmt = formats::YUV420_FORMAT; | |
388 | let vinfo = NAVideoInfo::new(self.w, self.h, false, fmt); | |
389 | let bufret = alloc_video_buffer(vinfo, 4); | |
390 | if let Err(_) = bufret { return Err(DecoderError::InvalidData); } | |
391 | let mut bufinfo = bufret.unwrap(); | |
392 | let mut b_buf = bufinfo.get_vbuf().unwrap(); | |
393 | ||
394 | if let Some(ref bck_buf) = self.prev_frm { | |
395 | if let Some(ref fwd_buf) = self.cur_frm { | |
2a2aa421 | 396 | recon_b_frame(&mut b_buf, bck_buf, fwd_buf, self.mb_w, self.mb_h, &self.b_data, bdsp); |
21c16d5f KS |
397 | } |
398 | } | |
399 | ||
400 | self.b_data.truncate(0); | |
401 | Ok(bufinfo) | |
402 | } | |
403 | } | |
404 | ||
405 | fn recon_b_frame(b_buf: &mut NAVideoBuffer<u8>, bck_buf: &NAVideoBuffer<u8>, fwd_buf: &NAVideoBuffer<u8>, | |
2a2aa421 | 406 | mb_w: usize, mb_h: usize, b_data: &Vec<BMB>, bdsp: &BlockDSP) { |
f2f1afb2 | 407 | let mut cbpi = CBPInfo::new(); |
21c16d5f | 408 | let mut cur_mb = 0; |
f2f1afb2 | 409 | cbpi.reset(mb_w); |
21c16d5f KS |
410 | for mb_y in 0..mb_h { |
411 | for mb_x in 0..mb_w { | |
412 | let num_mv = b_data[cur_mb].num_mv; | |
413 | let is_fwd = b_data[cur_mb].fwd; | |
f2f1afb2 KS |
414 | let cbp = b_data[cur_mb].cbp; |
415 | cbpi.set_cbp(mb_x, cbp); | |
416 | if num_mv == 1 { | |
2a2aa421 | 417 | bdsp.copy_blocks(b_buf, fwd_buf, mb_x * 16, mb_y * 16, 16, 16, b_data[cur_mb].mv_b[0]); |
21c16d5f | 418 | if !is_fwd { |
2a2aa421 | 419 | bdsp.avg_blocks(b_buf, bck_buf, mb_x * 16, mb_y * 16, 16, 16, b_data[cur_mb].mv_f[0]); |
21c16d5f KS |
420 | } |
421 | } else { | |
422 | for blk_no in 0..4 { | |
423 | let xpos = mb_x * 16 + (blk_no & 1) * 8; | |
424 | let ypos = mb_y * 16 + (blk_no & 2) * 4; | |
2a2aa421 | 425 | bdsp.copy_blocks(b_buf, fwd_buf, xpos, ypos, 8, 8, b_data[cur_mb].mv_b[blk_no]); |
21c16d5f | 426 | if !is_fwd { |
2a2aa421 | 427 | bdsp.avg_blocks(b_buf, bck_buf, xpos, ypos, 8, 8, b_data[cur_mb].mv_f[blk_no]); |
21c16d5f KS |
428 | } |
429 | } | |
430 | } | |
f2f1afb2 | 431 | if cbp != 0 { |
21c16d5f KS |
432 | blockdsp::add_blocks(b_buf, mb_x, mb_y, &b_data[cur_mb].blk); |
433 | } | |
434 | cur_mb += 1; | |
cf64af13 | 435 | } |
f2f1afb2 | 436 | cbpi.update_row(); |
cf64af13 KS |
437 | } |
438 | } |