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1 | use nihav_core::frame::{FrameType, NAVideoBuffer}; | |
2 | use nihav_codec_support::codecs::MV; | |
3 | use nihav_codec_support::codecs::blockdsp::edge_emu; | |
4 | use super::rv3040::{RV34DSP, RV34MBInfo}; | |
5 | ||
6 | fn clip8(a: i16) -> u8 { | |
7 | if a < 0 { 0 } | |
8 | else if a > 255 { 255 } | |
9 | else { a as u8 } | |
10 | } | |
11 | ||
12 | macro_rules! el { | |
13 | ($s: ident, $o: expr) => ( $s[$o] as i16 ) | |
14 | } | |
15 | ||
16 | macro_rules! filter { | |
17 | (01; $s: ident, $o: expr, $step: expr) => ( | |
18 | clip8((( el!($s, $o - 2 * $step) | |
19 | -5 * el!($s, $o - 1 * $step) | |
20 | +52 * el!($s, $o - 0 * $step) | |
21 | +20 * el!($s, $o + 1 * $step) | |
22 | -5 * el!($s, $o + 2 * $step) | |
23 | + el!($s, $o + 3 * $step) + 32) >> 6) as i16) | |
24 | ); | |
25 | (02; $s: ident, $o: expr, $step: expr) => ( | |
26 | clip8((( el!($s, $o - 2 * $step) | |
27 | -5 * el!($s, $o - 1 * $step) | |
28 | +20 * el!($s, $o - 0 * $step) | |
29 | +20 * el!($s, $o + 1 * $step) | |
30 | -5 * el!($s, $o + 2 * $step) | |
31 | + el!($s, $o + 3 * $step) + 16) >> 5) as i16) | |
32 | ); | |
33 | (03; $s: ident, $o: expr, $step: expr) => ( | |
34 | clip8((( el!($s, $o - 2 * $step) | |
35 | -5 * el!($s, $o - 1 * $step) | |
36 | +20 * el!($s, $o - 0 * $step) | |
37 | +52 * el!($s, $o + 1 * $step) | |
38 | -5 * el!($s, $o + 2 * $step) | |
39 | + el!($s, $o + 3 * $step) + 32) >> 6) as i16) | |
40 | ); | |
41 | (33; $s: ident, $o: expr, $stride: expr) => ( | |
42 | clip8((( el!($s, $o) | |
43 | + el!($s, $o + 1) | |
44 | + el!($s, $o + $stride) | |
45 | + el!($s, $o + 1 + $stride) + 2) >> 2) as i16) | |
46 | ); | |
47 | } | |
48 | ||
49 | macro_rules! mc_func { | |
50 | (copy; $name: ident, $size: expr) => ( | |
51 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
52 | for _ in 0..$size { | |
53 | let d = &mut dst[didx..][..$size]; | |
54 | let s = &src[sidx..][..$size]; | |
55 | for x in 0..$size { d[x] = s[x]; } | |
56 | didx += dstride; | |
57 | sidx += sstride; | |
58 | } | |
59 | } | |
60 | ); | |
61 | (mc01; $name: ident, $size: expr, $ver: expr) => ( | |
62 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
63 | let step = if $ver { sstride } else { 1 }; | |
64 | for _ in 0..$size { | |
65 | for x in 0..$size { | |
66 | dst[didx + x] = filter!(01; src, sidx + x, step); | |
67 | } | |
68 | sidx += sstride; | |
69 | didx += dstride; | |
70 | } | |
71 | } | |
72 | ); | |
73 | (mc02; $name: ident, $size: expr, $ver: expr) => ( | |
74 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
75 | let step = if $ver { sstride } else { 1 }; | |
76 | for _ in 0..$size { | |
77 | for x in 0..$size { | |
78 | dst[didx + x] = filter!(02; src, sidx + x, step); | |
79 | } | |
80 | sidx += sstride; | |
81 | didx += dstride; | |
82 | } | |
83 | } | |
84 | ); | |
85 | (mc03; $name: ident, $size: expr, $ver: expr) => ( | |
86 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
87 | let step = if $ver { sstride } else { 1 }; | |
88 | for _ in 0..$size { | |
89 | for x in 0..$size { | |
90 | dst[didx + x] = filter!(03; src, sidx + x, step); | |
91 | } | |
92 | sidx += sstride; | |
93 | didx += dstride; | |
94 | } | |
95 | } | |
96 | ); | |
97 | (cm01; $name: ident, $size: expr, $ofilt: ident) => ( | |
98 | fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
99 | let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size]; | |
100 | let mut bidx = 0; | |
101 | let bstride = $size; | |
102 | sidx -= sstride * 2; | |
103 | for _ in 0..$size+5 { | |
104 | for x in 0..$size { buf[bidx + x] = filter!(01; src, sidx + x, 1); } | |
105 | bidx += bstride; | |
106 | sidx += sstride; | |
107 | } | |
108 | $ofilt(dst, didx, dstride, &buf, 2*bstride, $size); | |
109 | } | |
110 | ); | |
111 | (cm02; $name: ident, $size: expr, $ofilt: ident) => ( | |
112 | fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
113 | let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size]; | |
114 | let mut bidx = 0; | |
115 | let bstride = $size; | |
116 | sidx -= sstride * 2; | |
117 | for _ in 0..$size+5 { | |
118 | for x in 0..$size { buf[bidx + x] = filter!(02; src, sidx + x, 1); } | |
119 | bidx += bstride; | |
120 | sidx += sstride; | |
121 | } | |
122 | $ofilt(dst, didx, dstride, &buf, 2*bstride, $size); | |
123 | } | |
124 | ); | |
125 | (cm03; $name: ident, $size: expr, $ofilt: ident) => ( | |
126 | fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
127 | let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size]; | |
128 | let mut bidx = 0; | |
129 | let bstride = $size; | |
130 | sidx -= sstride * 2; | |
131 | for _ in 0..$size+5 { | |
132 | for x in 0..$size { buf[bidx + x] = filter!(03; src, sidx + x, 1); } | |
133 | bidx += bstride; | |
134 | sidx += sstride; | |
135 | } | |
136 | $ofilt(dst, didx, dstride, &buf, 2*bstride, $size); | |
137 | } | |
138 | ); | |
139 | (mc33; $name: ident, $size: expr) => ( | |
140 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
141 | for _ in 0..$size { | |
142 | for x in 0..$size { dst[didx + x] = filter!(33; src, sidx + x, sstride); } | |
143 | sidx += sstride; | |
144 | didx += dstride; | |
145 | } | |
146 | } | |
147 | ); | |
148 | } | |
149 | mc_func!(copy; copy_16, 16); | |
150 | mc_func!(copy; copy_8, 8); | |
151 | mc_func!(mc01; luma_mc_10_16, 16, false); | |
152 | mc_func!(mc01; luma_mc_10_8, 8, false); | |
153 | mc_func!(mc02; luma_mc_20_16, 16, false); | |
154 | mc_func!(mc02; luma_mc_20_8, 8, false); | |
155 | mc_func!(mc03; luma_mc_30_16, 16, false); | |
156 | mc_func!(mc03; luma_mc_30_8, 8, false); | |
157 | mc_func!(mc01; luma_mc_01_16, 16, true); | |
158 | mc_func!(mc01; luma_mc_01_8, 8, true); | |
159 | mc_func!(mc02; luma_mc_02_16, 16, true); | |
160 | mc_func!(mc02; luma_mc_02_8, 8, true); | |
161 | mc_func!(mc03; luma_mc_03_16, 16, true); | |
162 | mc_func!(mc03; luma_mc_03_8, 8, true); | |
163 | mc_func!(cm01; luma_mc_11_16, 16, luma_mc_01_16); | |
164 | mc_func!(cm01; luma_mc_11_8, 8, luma_mc_01_8); | |
165 | mc_func!(cm01; luma_mc_12_16, 16, luma_mc_02_16); | |
166 | mc_func!(cm01; luma_mc_12_8, 8, luma_mc_02_8); | |
167 | mc_func!(cm01; luma_mc_13_16, 16, luma_mc_03_16); | |
168 | mc_func!(cm01; luma_mc_13_8, 8, luma_mc_03_8); | |
169 | mc_func!(cm02; luma_mc_21_16, 16, luma_mc_01_16); | |
170 | mc_func!(cm02; luma_mc_21_8, 8, luma_mc_01_8); | |
171 | mc_func!(cm02; luma_mc_22_16, 16, luma_mc_02_16); | |
172 | mc_func!(cm02; luma_mc_22_8, 8, luma_mc_02_8); | |
173 | mc_func!(cm02; luma_mc_23_16, 16, luma_mc_03_16); | |
174 | mc_func!(cm02; luma_mc_23_8, 8, luma_mc_03_8); | |
175 | mc_func!(cm03; luma_mc_31_16, 16, luma_mc_01_16); | |
176 | mc_func!(cm03; luma_mc_31_8, 8, luma_mc_01_8); | |
177 | mc_func!(cm03; luma_mc_32_16, 16, luma_mc_02_16); | |
178 | mc_func!(cm03; luma_mc_32_8, 8, luma_mc_02_8); | |
179 | mc_func!(mc33; luma_mc_33_16, 16); | |
180 | mc_func!(mc33; luma_mc_33_8, 8); | |
181 | ||
182 | const RV40_CHROMA_BIAS: [[u16; 4]; 4] = [ | |
183 | [ 0, 4, 8, 4 ], | |
184 | [ 8, 7, 8, 7 ], | |
185 | [ 0, 8, 4, 8 ], | |
186 | [ 8, 7, 8, 7 ] | |
187 | ]; | |
188 | ||
189 | fn rv40_chroma_mc(dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize, size: usize, x: usize, y: usize) { | |
190 | if (x == 0) && (y == 0) { | |
191 | for _ in 0..size { | |
192 | dst[didx..][..size].copy_from_slice(&src[sidx..][..size]); | |
193 | didx += dstride; | |
194 | sidx += sstride; | |
195 | } | |
196 | return; | |
197 | } | |
198 | let bias = RV40_CHROMA_BIAS[y >> 1][x >> 1]; | |
199 | if (x > 0) && (y > 0) { | |
200 | let a = ((4 - x) * (4 - y)) as u16; | |
201 | let b = (( x) * (4 - y)) as u16; | |
202 | let c = ((4 - x) * ( y)) as u16; | |
203 | let d = (( x) * ( y)) as u16; | |
204 | for _ in 0..size { | |
205 | for x in 0..size { | |
206 | dst[didx + x] = ((a * (src[sidx + x] as u16) | |
207 | + b * (src[sidx + x + 1] as u16) | |
208 | + c * (src[sidx + x + sstride] as u16) | |
209 | + d * (src[sidx + x + 1 + sstride] as u16) + bias) >> 4) as u8; | |
210 | } | |
211 | didx += dstride; | |
212 | sidx += sstride; | |
213 | } | |
214 | } else { | |
215 | let a = ((4 - x) * (4 - y)) as u16; | |
216 | let e = (( x) * (4 - y) + (4 - x) * ( y)) as u16; | |
217 | let step = if y > 0 { sstride } else { 1 }; | |
218 | for _ in 0..size { | |
219 | for x in 0..size { | |
220 | dst[didx + x] = ((a * (src[sidx + x] as u16) | |
221 | + e * (src[sidx + x + step] as u16) + bias) >> 4) as u8; | |
222 | } | |
223 | didx += dstride; | |
224 | sidx += sstride; | |
225 | } | |
226 | } | |
227 | } | |
228 | ||
229 | #[allow(clippy::type_complexity)] | |
230 | pub struct RV40DSP { | |
231 | luma_mc: [[fn (&mut [u8], usize, usize, &[u8], usize, usize); 16]; 2], | |
232 | } | |
233 | ||
234 | impl RV40DSP { | |
235 | pub fn new() -> Self { | |
236 | RV40DSP { | |
237 | luma_mc: [ | |
238 | [ copy_16, luma_mc_10_16, luma_mc_20_16, luma_mc_30_16, | |
239 | luma_mc_01_16, luma_mc_11_16, luma_mc_21_16, luma_mc_31_16, | |
240 | luma_mc_02_16, luma_mc_12_16, luma_mc_22_16, luma_mc_32_16, | |
241 | luma_mc_03_16, luma_mc_13_16, luma_mc_23_16, luma_mc_33_16 ], | |
242 | [ copy_8, luma_mc_10_8, luma_mc_20_8, luma_mc_30_8, | |
243 | luma_mc_01_8, luma_mc_11_8, luma_mc_21_8, luma_mc_31_8, | |
244 | luma_mc_02_8, luma_mc_12_8, luma_mc_22_8, luma_mc_32_8, | |
245 | luma_mc_03_8, luma_mc_13_8, luma_mc_23_8, luma_mc_33_8 ] ], | |
246 | } | |
247 | } | |
248 | } | |
249 | ||
250 | macro_rules! el { | |
251 | ($src: ident, $o: expr) => ($src[$o] as i16); | |
252 | } | |
253 | ||
254 | fn clip_symm(a: i16, lim: i16) -> i16 { | |
255 | if a < -lim { | |
256 | -lim | |
257 | } else if a > lim { | |
258 | lim | |
259 | } else { | |
260 | a | |
261 | } | |
262 | } | |
263 | ||
264 | fn rv40_weak_loop_filter4(pix: &mut [u8], mut off: usize, step: usize, stride: usize, | |
265 | filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16, | |
266 | lim_p0q0: i16, lim_p1: i16, lim_q1: i16) { | |
267 | for _ in 0..4 { | |
268 | let p0 = el!(pix, off - step); | |
269 | let q0 = el!(pix, off); | |
270 | ||
271 | let t = q0 - p0; | |
272 | if t == 0 { | |
273 | off += stride; | |
274 | continue; | |
275 | } | |
276 | ||
277 | let u = (alpha * t.wrapping_abs()) >> 7; | |
278 | if u > (if filter_p1 && filter_q1 { 2 } else { 3 }) { | |
279 | off += stride; | |
280 | continue; | |
281 | } | |
282 | ||
283 | let p2 = el!(pix, off - 3*step); | |
284 | let p1 = el!(pix, off - 2*step); | |
285 | let q1 = el!(pix, off + step); | |
286 | let q2 = el!(pix, off + 2*step); | |
287 | ||
288 | let str; | |
289 | if filter_p1 && filter_q1 { | |
290 | str = (t << 2) + (p1 - q1); | |
291 | } else { | |
292 | str = t << 2; | |
293 | } | |
294 | ||
295 | let diff = clip_symm((str + 4) >> 3, lim_p0q0); | |
296 | pix[off - step] = clip8(p0 + diff); | |
297 | pix[off ] = clip8(q0 - diff); | |
298 | ||
299 | if filter_p1 && ((p1 - p2).wrapping_abs() <= beta) { | |
300 | let p1_diff = ((p1 - p0) + (p1 - p2) - diff) >> 1; | |
301 | pix[off - 2*step] = clip8(p1 - clip_symm(p1_diff, lim_p1)); | |
302 | } | |
303 | ||
304 | if filter_q1 && ((q1 - q2).wrapping_abs() <= beta) { | |
305 | let q1_diff = ((q1 - q0) + (q1 - q2) + diff) >> 1; | |
306 | pix[off + step] = clip8(q1 - clip_symm(q1_diff, lim_q1)); | |
307 | } | |
308 | ||
309 | off += stride; | |
310 | } | |
311 | } | |
312 | ||
313 | fn rv40_weak_loop_filter4_h(pix: &mut [u8], off: usize, stride: usize, | |
314 | filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16, | |
315 | lim_p0q0: i16, lim_p1: i16, lim_q1: i16) { | |
316 | rv40_weak_loop_filter4(pix, off, stride, 1, filter_p1, filter_q1, alpha, beta, lim_p0q0, lim_p1, lim_q1); | |
317 | } | |
318 | #[allow(clippy::eq_op)] | |
319 | fn rv40_weak_loop_filter4_v(pix: &mut [u8], off: usize, stride: usize, | |
320 | filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16, | |
321 | lim_p0q0: i16, lim_p1: i16, lim_q1: i16) { | |
322 | let src = &mut pix[off - 3..][..stride * 3 + 3 + 3]; | |
323 | for ch in src.chunks_mut(stride).take(4) { | |
324 | assert!(ch.len() >= 3 + 3); | |
325 | let p0 = el!(ch, 3 - 1); | |
326 | let q0 = el!(ch, 3); | |
327 | ||
328 | let t = q0 - p0; | |
329 | if t == 0 { | |
330 | continue; | |
331 | } | |
332 | ||
333 | let u = (alpha * t.wrapping_abs()) >> 7; | |
334 | if u > (if filter_p1 && filter_q1 { 2 } else { 3 }) { | |
335 | continue; | |
336 | } | |
337 | ||
338 | let p2 = el!(ch, 3 - 3); | |
339 | let p1 = el!(ch, 3 - 2); | |
340 | let q1 = el!(ch, 3 + 1); | |
341 | let q2 = el!(ch, 3 + 2); | |
342 | ||
343 | let str; | |
344 | if filter_p1 && filter_q1 { | |
345 | str = (t << 2) + (p1 - q1); | |
346 | } else { | |
347 | str = t << 2; | |
348 | } | |
349 | ||
350 | let diff = clip_symm((str + 4) >> 3, lim_p0q0); | |
351 | ch[3 - 1] = clip8(p0 + diff); | |
352 | ch[3 ] = clip8(q0 - diff); | |
353 | ||
354 | if filter_p1 && ((p1 - p2).wrapping_abs() <= beta) { | |
355 | let p1_diff = ((p1 - p0) + (p1 - p2) - diff) >> 1; | |
356 | ch[3 - 2] = clip8(p1 - clip_symm(p1_diff, lim_p1)); | |
357 | } | |
358 | ||
359 | if filter_q1 && ((q1 - q2).wrapping_abs() <= beta) { | |
360 | let q1_diff = ((q1 - q0) + (q1 - q2) + diff) >> 1; | |
361 | ch[3 + 1] = clip8(q1 - clip_symm(q1_diff, lim_q1)); | |
362 | } | |
363 | } | |
364 | } | |
365 | ||
366 | ||
367 | const RV40_DITHER_L: [i16; 16] = [ | |
368 | 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30, | |
369 | 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40 | |
370 | ]; | |
371 | const RV40_DITHER_R: [i16; 16] = [ | |
372 | 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40, | |
373 | 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40 | |
374 | ]; | |
375 | ||
376 | fn sfilter(a: i16, b: i16, c: i16, d: i16, e: i16, dither: i16, clip: bool, lims: i16) -> i16 { | |
377 | let val = (25 * (a + e) + 26 * (b + c + d) + dither) >> 7; | |
378 | if clip { | |
379 | if val < c - lims { | |
380 | c - lims | |
381 | } else if val > c + lims { | |
382 | c + lims | |
383 | } else { | |
384 | val | |
385 | } | |
386 | } else { | |
387 | val | |
388 | } | |
389 | } | |
390 | ||
391 | fn rv40_strong_loop_filter4(pix: &mut [u8], mut off: usize, step: usize, stride: usize, | |
392 | alpha: i16, lims: i16, dmode: usize, chroma: bool) { | |
393 | for i in 0..4 { | |
394 | let p0 = el!(pix, off - step); | |
395 | let q0 = el!(pix, off); | |
396 | ||
397 | let t = q0 - p0; | |
398 | if t == 0 { | |
399 | off += stride; | |
400 | continue; | |
401 | } | |
402 | ||
403 | let fmode = (alpha * t.wrapping_abs()) >> 7; | |
404 | if fmode > 1 { | |
405 | off += stride; | |
406 | continue; | |
407 | } | |
408 | ||
409 | let p3 = el!(pix, off - 4*step); | |
410 | let p2 = el!(pix, off - 3*step); | |
411 | let p1 = el!(pix, off - 2*step); | |
412 | let q1 = el!(pix, off + step); | |
413 | let q2 = el!(pix, off + 2*step); | |
414 | let q3 = el!(pix, off + 3*step); | |
415 | ||
416 | let np0 = sfilter(p2, p1, p0, q0, q1, RV40_DITHER_L[dmode + i], fmode != 0, lims); | |
417 | let nq0 = sfilter( p1, p0, q0, q1, q2, RV40_DITHER_R[dmode + i], fmode != 0, lims); | |
418 | ||
419 | let np1 = sfilter(p3, p2, p1, np0, q0, RV40_DITHER_L[dmode + i], fmode != 0, lims); | |
420 | let nq1 = sfilter( p0, nq0, q1, q2, q3, RV40_DITHER_R[dmode + i], fmode != 0, lims); | |
421 | ||
422 | pix[off - 2*step] = np1 as u8; | |
423 | pix[off - step] = np0 as u8; | |
424 | pix[off] = nq0 as u8; | |
425 | pix[off + step] = nq1 as u8; | |
426 | ||
427 | if !chroma { | |
428 | let np2 = sfilter(np0, np1, p2, p3, p2, 64, false, 0); | |
429 | let nq2 = sfilter(nq0, nq1, q2, q3, q2, 64, false, 0); | |
430 | pix[off - 3*step] = np2 as u8; | |
431 | pix[off + 2*step] = nq2 as u8; | |
432 | } | |
433 | ||
434 | off += stride; | |
435 | } | |
436 | } | |
437 | ||
438 | fn rv40_loop_strength(pix: &[u8], off: usize, step: usize, stride: usize, | |
439 | beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) { | |
440 | let mut sum_p1p0 = 0; | |
441 | let mut sum_q1q0 = 0; | |
442 | ||
443 | let mut off1 = off; | |
444 | for _ in 0..4 { | |
445 | sum_p1p0 += el!(pix, off1 - 2 * step) - el!(pix, off1 - step); | |
446 | sum_q1q0 += el!(pix, off1 + step) - el!(pix, off1); | |
447 | off1 += stride; | |
448 | } | |
449 | ||
450 | let filter_p1 = sum_p1p0.wrapping_abs() < beta * 4; | |
451 | let filter_q1 = sum_q1q0.wrapping_abs() < beta * 4; | |
452 | ||
453 | if (!filter_p1 || !filter_q1) || !edge { | |
454 | return (false, filter_p1, filter_q1); | |
455 | } | |
456 | ||
457 | let mut sum_p1p2 = 0; | |
458 | let mut sum_q1q2 = 0; | |
459 | ||
460 | let mut off1 = off; | |
461 | for _ in 0..4 { | |
462 | sum_p1p2 += el!(pix, off1 - 2 * step) - el!(pix, off1 - 3 * step); | |
463 | sum_q1q2 += el!(pix, off1 + step) - el!(pix, off1 + 2 * step); | |
464 | off1 += stride; | |
465 | } | |
466 | ||
467 | let strong = (sum_p1p2.wrapping_abs() < beta2) && (sum_q1q2.wrapping_abs() < beta2); | |
468 | ||
469 | (strong, filter_p1, filter_q1) | |
470 | } | |
471 | ||
472 | fn rv40_loop_strength_h(pix: &[u8], off: usize, stride: usize, | |
473 | beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) { | |
474 | rv40_loop_strength(pix, off, stride, 1, beta, beta2, edge) | |
475 | } | |
476 | ||
477 | #[allow(clippy::eq_op)] | |
478 | fn rv40_loop_strength_v(pix: &[u8], off: usize, stride: usize, | |
479 | beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) { | |
480 | let src = &pix[off - 3..][..stride * 3 + 3 + 3]; | |
481 | let mut sum_p1p0 = 0; | |
482 | let mut sum_q1q0 = 0; | |
483 | ||
484 | for ch in src.chunks(stride).take(4) { | |
485 | assert!(ch.len() >= 3 + 3); | |
486 | sum_p1p0 += el!(ch, 3 - 2) - el!(ch, 3 - 1); | |
487 | sum_q1q0 += el!(ch, 3 + 1) - el!(ch, 3); | |
488 | } | |
489 | ||
490 | let filter_p1 = sum_p1p0.wrapping_abs() < beta * 4; | |
491 | let filter_q1 = sum_q1q0.wrapping_abs() < beta * 4; | |
492 | ||
493 | if (!filter_p1 || !filter_q1) || !edge { | |
494 | return (false, filter_p1, filter_q1); | |
495 | } | |
496 | ||
497 | let mut sum_p1p2 = 0; | |
498 | let mut sum_q1q2 = 0; | |
499 | ||
500 | for ch in src.chunks(stride).take(4) { | |
501 | assert!(ch.len() >= 3 + 3); | |
502 | sum_p1p2 += el!(ch, 3 - 2) - el!(ch, 3 - 3); | |
503 | sum_q1q2 += el!(ch, 3 + 1) - el!(ch, 3 + 2); | |
504 | } | |
505 | ||
506 | let strong = (sum_p1p2.wrapping_abs() < beta2) && (sum_q1q2.wrapping_abs() < beta2); | |
507 | ||
508 | (strong, filter_p1, filter_q1) | |
509 | } | |
510 | ||
511 | fn rv40_loop_filter4_h(pix: &mut [u8], off: usize, stride: usize, | |
512 | dmode: usize, lim_p1: i16, lim_q1: i16, alpha: i16, beta: i16, beta2: i16, | |
513 | chroma: bool, edge: bool) { | |
514 | let (strong, filter_p1, filter_q1) = rv40_loop_strength_h(pix, off, stride, beta, beta2, edge); | |
515 | let lims = (filter_p1 as i16) + (filter_q1 as i16) + ((lim_p1 + lim_q1) >> 1) + 1; | |
516 | ||
517 | if strong { | |
518 | rv40_strong_loop_filter4(pix, off, stride, 1, alpha, lims, dmode, chroma); | |
519 | } else if filter_p1 && filter_q1 { | |
520 | rv40_weak_loop_filter4_h(pix, off, stride, true, true, alpha, beta, | |
521 | lims, lim_p1, lim_q1); | |
522 | } else if filter_p1 || filter_q1 { | |
523 | rv40_weak_loop_filter4_h(pix, off, stride, filter_p1, filter_q1, alpha, beta, | |
524 | lims >> 1, lim_p1 >> 1, lim_q1 >> 1); | |
525 | } | |
526 | } | |
527 | ||
528 | fn rv40_loop_filter4_v(pix: &mut [u8], off: usize, stride: usize, | |
529 | dmode: usize, lim_p1: i16, lim_q1: i16, alpha: i16, beta: i16, beta2: i16, | |
530 | chroma: bool, edge: bool) { | |
531 | let (strong, filter_p1, filter_q1) = rv40_loop_strength_v(pix, off, stride, beta, beta2, edge); | |
532 | let lims = (filter_p1 as i16) + (filter_q1 as i16) + ((lim_p1 + lim_q1) >> 1) + 1; | |
533 | ||
534 | if strong { | |
535 | rv40_strong_loop_filter4(pix, off, 1, stride, alpha, lims, dmode, chroma); | |
536 | } else if filter_p1 && filter_q1 { | |
537 | rv40_weak_loop_filter4_v(pix, off, stride, true, true, alpha, beta, | |
538 | lims, lim_p1, lim_q1); | |
539 | } else if filter_p1 || filter_q1 { | |
540 | rv40_weak_loop_filter4_v(pix, off, stride, filter_p1, filter_q1, alpha, beta, | |
541 | lims >> 1, lim_p1 >> 1, lim_q1 >> 1); | |
542 | } | |
543 | } | |
544 | ||
545 | const RV40_ALPHA_TAB: [i16; 32] = [ | |
546 | 128, 128, 128, 128, 128, 128, 128, 128, | |
547 | 128, 128, 122, 96, 75, 59, 47, 37, | |
548 | 29, 23, 18, 15, 13, 11, 10, 9, | |
549 | 8, 7, 6, 5, 4, 3, 2, 1 | |
550 | ]; | |
551 | ||
552 | const RV40_BETA_TAB: [i16; 32] = [ | |
553 | 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 4, 4, 4, 6, 6, | |
554 | 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17 | |
555 | ]; | |
556 | ||
557 | const RV40_FILTER_CLIP_TBL: [[i16; 32]; 3] = [ | |
558 | [ | |
559 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
560 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
561 | ], [ | |
562 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, | |
563 | 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5 | |
564 | ], [ | |
565 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, | |
566 | 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9 | |
567 | ] | |
568 | ]; | |
569 | ||
570 | macro_rules! test_bit { | |
571 | ($pat: expr, $x: expr) => ( (($pat >> $x) & 1) != 0 ) | |
572 | } | |
573 | ||
574 | fn check_pos(x: usize, y: usize, size: usize, w: usize, h: usize, dx: i16, dy: i16, e0: isize, e1: isize, e2: isize, e3: isize) -> bool { | |
575 | let xn = (x as isize) + (dx as isize); | |
576 | let yn = (y as isize) + (dy as isize); | |
577 | ||
578 | (xn - e0 >= 0) && (xn + (size as isize) + e1 <= (w as isize)) && (yn - e2 >= 0) && (yn + (size as isize) + e3 <= (h as isize)) | |
579 | } | |
580 | ||
581 | const RV40_EDGE1: [isize; 4] = [ 0, 2, 2, 2 ]; | |
582 | const RV40_EDGE2: [isize; 4] = [ 0, 3, 3, 3 ]; | |
583 | ||
584 | const Y_TOP_ROW_MASK: u32 = 0x000F; | |
585 | const Y_BOT_ROW_MASK: u32 = 0xF000; | |
586 | const Y_LEFT_COL_MASK: u32 = 0x1111; | |
587 | const Y_RIGHT_COL_MASK: u32 = 0x8888; | |
588 | const C_TOP_ROW_MASK: u32 = 0x3; | |
589 | const C_BOT_ROW_MASK: u32 = 0xC; | |
590 | const C_LEFT_COL_MASK: u32 = 0x5; | |
591 | const C_RIGHT_COL_MASK: u32 = 0xA; | |
592 | ||
593 | impl RV34DSP for RV40DSP { | |
594 | #[allow(clippy::cyclomatic_complexity)] | |
595 | fn loop_filter(&self, frame: &mut NAVideoBuffer<u8>, _ftype: FrameType, mbinfo: &[RV34MBInfo], mb_w: usize, mb_h: usize, row: usize) { | |
596 | // todo proper B-frame filtering? | |
597 | let mut offs: [usize; 3] = [0; 3]; | |
598 | let mut stride: [usize; 3] = [0; 3]; | |
599 | let (w, h) = frame.get_dimensions(0); | |
600 | let small_frame = w * h <= 176*144; | |
601 | ||
602 | for comp in 0..3 { | |
603 | stride[comp] = frame.get_stride(comp); | |
604 | let start = if comp == 0 { row * 16 } else { row * 8 }; | |
605 | offs[comp] = frame.get_offset(comp) + start * stride[comp]; | |
606 | } | |
607 | ||
608 | let data = frame.get_data_mut().unwrap(); | |
609 | let dst: &mut [u8] = data.as_mut_slice(); | |
610 | ||
611 | let is_last_row = row == mb_h - 1; | |
612 | ||
613 | let mut mb_pos: usize = row * mb_w; | |
614 | let mut left_q: usize = 0; | |
615 | let mut left_cbp = 0; | |
616 | let mut left_dbk = 0; | |
617 | for mb_x in 0..mb_w { | |
618 | let q = mbinfo[mb_pos].q as usize; | |
619 | let alpha = RV40_ALPHA_TAB[q]; | |
620 | let beta = RV40_BETA_TAB[q]; | |
621 | let beta_y = if small_frame { beta * 4 } else { beta * 3 }; | |
622 | let beta_c = beta * 3; | |
623 | ||
624 | let is_strong = mbinfo[mb_pos].mbtype.is_intra_or_16(); | |
625 | let top_is_strong = row > 0 && mbinfo[mb_pos - mb_w].mbtype.is_intra_or_16(); | |
626 | let left_is_strong = mb_x > 0 && mbinfo[mb_pos - 1].mbtype.is_intra_or_16(); | |
627 | let bot_is_strong = !is_last_row && mbinfo[mb_pos + mb_w].mbtype.is_intra_or_16(); | |
628 | ||
629 | let cur_dbk = mbinfo[mb_pos].deblock; | |
630 | let cur_cbp = if is_strong { 0xFFFFFF } else { mbinfo[mb_pos].cbp }; | |
631 | ||
632 | let (top_cbp, top_dbk) = if row > 0 { | |
633 | (if top_is_strong { 0xFFFFFF } else { mbinfo[mb_pos - mb_w].cbp }, mbinfo[mb_pos - mb_w].deblock) | |
634 | } else { | |
635 | (0, 0) | |
636 | }; | |
637 | let (bot_cbp, bot_dbk) = if !is_last_row { | |
638 | (mbinfo[mb_pos + mb_w].cbp, mbinfo[mb_pos + mb_w].deblock) | |
639 | } else { | |
640 | (0, 0) | |
641 | }; | |
642 | ||
643 | let y_cbp = cur_cbp & 0xFFFF; | |
644 | let y_to_deblock = (cur_dbk as u32) | ((bot_dbk as u32) << 16); | |
645 | let mut y_h_deblock = y_to_deblock | ((y_cbp << 4) & !Y_TOP_ROW_MASK) | ((top_cbp & Y_BOT_ROW_MASK) >> 12); | |
646 | let mut y_v_deblock = y_to_deblock | ((y_cbp << 1) & !Y_LEFT_COL_MASK) | ((left_cbp & Y_RIGHT_COL_MASK) >> 3); | |
647 | ||
648 | if mb_x == 0 { | |
649 | y_v_deblock &= !Y_LEFT_COL_MASK; | |
650 | } | |
651 | if row == 0 { | |
652 | y_h_deblock &= !Y_TOP_ROW_MASK; | |
653 | } | |
654 | if is_last_row || is_strong || bot_is_strong { | |
655 | y_h_deblock &= !(Y_TOP_ROW_MASK << 16); | |
656 | } | |
657 | ||
658 | for y in 0..4 { | |
659 | let yoff = offs[0] + mb_x * 16 + y * 4 * stride[0]; | |
660 | for x in 0..4 { | |
661 | let bpos = x + y * 4; | |
662 | let ver_strong = (x == 0) && (mb_x > 0) && (is_strong || left_is_strong); | |
663 | ||
664 | let cur_strength: usize; | |
665 | if is_strong { | |
666 | cur_strength = 2; | |
667 | } else if test_bit!(cur_dbk, bpos) { | |
668 | cur_strength = 1; | |
669 | } else { | |
670 | cur_strength = 0; | |
671 | } | |
672 | ||
673 | let left_strength: usize; | |
674 | if x > 0 { | |
675 | if is_strong { | |
676 | left_strength = 2; | |
677 | } else if test_bit!(cur_dbk, bpos - 1) { | |
678 | left_strength = 1; | |
679 | } else { | |
680 | left_strength = 0; | |
681 | } | |
682 | } else if mb_x > 0 { | |
683 | if left_is_strong { | |
684 | left_strength = 2; | |
685 | } else if test_bit!(left_dbk, bpos + 3) { | |
686 | left_strength = 1; | |
687 | } else { | |
688 | left_strength = 0; | |
689 | } | |
690 | } else { | |
691 | left_strength = 0; | |
692 | } | |
693 | ||
694 | let bot_strength: usize; | |
695 | if y < 3 { | |
696 | if is_strong { | |
697 | bot_strength = 2; | |
698 | } else if test_bit!(cur_dbk, bpos + 4) { | |
699 | bot_strength = 1; | |
700 | } else { | |
701 | bot_strength = 0; | |
702 | } | |
703 | } else if !is_last_row { | |
704 | if mbinfo[mb_pos + mb_w].mbtype.is_intra_or_16() { | |
705 | bot_strength = 2; | |
706 | } else if test_bit!(bot_dbk, x) { | |
707 | bot_strength = 1; | |
708 | } else { | |
709 | bot_strength = 0; | |
710 | } | |
711 | } else { | |
712 | bot_strength = 0; | |
713 | } | |
714 | ||
715 | let top_strength: usize; | |
716 | if y > 0 { | |
717 | if is_strong { | |
718 | top_strength = 2; | |
719 | } else if test_bit!(cur_dbk, bpos - 4) { | |
720 | top_strength = 1; | |
721 | } else { | |
722 | top_strength = 0; | |
723 | } | |
724 | } else if row > 0 { | |
725 | if top_is_strong { | |
726 | top_strength = 2; | |
727 | } else if test_bit!(top_dbk, bpos + 12) { | |
728 | top_strength = 1; | |
729 | } else { | |
730 | top_strength = 0; | |
731 | } | |
732 | } else { | |
733 | top_strength = 0; | |
734 | } | |
735 | ||
736 | let l_q = if x > 0 { q } else { left_q }; | |
737 | let top_q = if row > 0 { mbinfo[mb_pos - mb_w].q as usize } else { 0 }; | |
738 | ||
739 | let lim_cur = RV40_FILTER_CLIP_TBL [cur_strength][q]; | |
740 | let lim_top = RV40_FILTER_CLIP_TBL [top_strength][top_q]; | |
741 | let lim_left = RV40_FILTER_CLIP_TBL[left_strength][l_q]; | |
742 | let lim_bottom = RV40_FILTER_CLIP_TBL [bot_strength][q]; | |
743 | ||
744 | let dmode = if y > 0 { x + y * 4 } else { x * 4 }; | |
745 | ||
746 | if test_bit!(y_h_deblock, bpos + 4) { | |
747 | rv40_loop_filter4_h(dst, yoff + 4 * stride[0] + x * 4, stride[0], | |
748 | dmode, lim_cur, lim_bottom, alpha, beta, beta_y, false, false); | |
749 | } | |
750 | if test_bit!(y_v_deblock, bpos) && !ver_strong { | |
751 | rv40_loop_filter4_v(dst, yoff + x * 4, stride[0], | |
752 | dmode, lim_left, lim_cur, alpha, beta, beta_y, false, false); | |
753 | } | |
754 | if (y == 0) && test_bit!(y_h_deblock, bpos) && (is_strong || top_is_strong) { | |
755 | rv40_loop_filter4_h(dst, yoff + x * 4, stride[0], | |
756 | dmode, lim_top, lim_cur, alpha, beta, beta_y, false, true); | |
757 | } | |
758 | if test_bit!(y_v_deblock, bpos) && ver_strong { | |
759 | rv40_loop_filter4_v(dst, yoff + x * 4, stride[0], | |
760 | dmode, lim_left, lim_cur, alpha, beta, beta_y, false, true); | |
761 | } | |
762 | } | |
763 | } | |
764 | ||
765 | for comp in 1..3 { | |
766 | let cshift = 16 - 4 + comp * 4; | |
767 | let c_cur_cbp = (cur_cbp >> cshift) & 0xF; | |
768 | let c_top_cbp = (top_cbp >> cshift) & 0xF; | |
769 | let c_left_cbp = (left_cbp >> cshift) & 0xF; | |
770 | let c_bot_cbp = (bot_cbp >> cshift) & 0xF; | |
771 | ||
772 | let c_deblock = c_cur_cbp | (c_bot_cbp << 4); | |
773 | let mut c_v_deblock = c_deblock | ((c_cur_cbp << 1) & !C_LEFT_COL_MASK) | ((c_left_cbp & C_RIGHT_COL_MASK) >> 1); | |
774 | let mut c_h_deblock = c_deblock | ((c_cur_cbp & C_TOP_ROW_MASK) << 2) | ((c_top_cbp & C_BOT_ROW_MASK) >> 2); | |
775 | if mb_x == 0 { | |
776 | c_v_deblock &= !C_LEFT_COL_MASK; | |
777 | } | |
778 | if row == 0 { | |
779 | c_h_deblock &= !C_TOP_ROW_MASK; | |
780 | } | |
781 | if is_last_row || is_strong || bot_is_strong { | |
782 | c_h_deblock &= !(C_TOP_ROW_MASK << 4); | |
783 | } | |
784 | ||
785 | for y in 0..2 { | |
786 | let coff = offs[comp] + mb_x * 8 + y * 4 * stride[comp]; | |
787 | for x in 0..2 { | |
788 | let bpos = x + y * 2; | |
789 | ||
790 | let ver_strong = (x == 0) && (is_strong || left_is_strong); | |
791 | ||
792 | let cur_strength: usize; | |
793 | if is_strong { | |
794 | cur_strength = 2; | |
795 | } else if test_bit!(c_cur_cbp, bpos) { | |
796 | cur_strength = 1; | |
797 | } else { | |
798 | cur_strength = 0; | |
799 | } | |
800 | ||
801 | let left_strength: usize; | |
802 | if x > 0 { | |
803 | if is_strong { | |
804 | left_strength = 2; | |
805 | } else if test_bit!(c_cur_cbp, bpos - 1) { | |
806 | left_strength = 1; | |
807 | } else { | |
808 | left_strength = 0; | |
809 | } | |
810 | } else if mb_x > 0 { | |
811 | if left_is_strong { | |
812 | left_strength = 2; | |
813 | } else if test_bit!(c_left_cbp, bpos + 1) { | |
814 | left_strength = 1; | |
815 | } else { | |
816 | left_strength = 0; | |
817 | } | |
818 | } else { | |
819 | left_strength = 0; | |
820 | } | |
821 | ||
822 | let bot_strength: usize; | |
823 | if y != 3 { | |
824 | if is_strong { | |
825 | bot_strength = 2; | |
826 | } else if test_bit!(c_cur_cbp, bpos + 2) { | |
827 | bot_strength = 1; | |
828 | } else { | |
829 | bot_strength = 0; | |
830 | } | |
831 | } else if !is_last_row { | |
832 | if mbinfo[mb_pos + mb_w].mbtype.is_intra_or_16() { | |
833 | bot_strength = 2; | |
834 | } else if test_bit!(c_bot_cbp, x) { | |
835 | bot_strength = 1; | |
836 | } else { | |
837 | bot_strength = 0; | |
838 | } | |
839 | } else { | |
840 | bot_strength = 0; | |
841 | } | |
842 | ||
843 | let top_strength: usize; | |
844 | if y > 0 { | |
845 | if is_strong { | |
846 | top_strength = 2; | |
847 | } else if test_bit!(c_cur_cbp, bpos - 2) { | |
848 | top_strength = 1; | |
849 | } else { | |
850 | top_strength = 0; | |
851 | } | |
852 | } else if row > 0 { | |
853 | if top_is_strong { | |
854 | top_strength = 2; | |
855 | } else if test_bit!(c_top_cbp, bpos + 2) { | |
856 | top_strength = 1; | |
857 | } else { | |
858 | top_strength = 0; | |
859 | } | |
860 | } else { | |
861 | top_strength = 0; | |
862 | } | |
863 | ||
864 | let l_q = if x > 0 { q } else { left_q }; | |
865 | let top_q = if row > 0 { mbinfo[mb_pos - mb_w].q as usize } else { 0 }; | |
866 | ||
867 | let lim_cur = RV40_FILTER_CLIP_TBL [cur_strength][q]; | |
868 | let lim_top = RV40_FILTER_CLIP_TBL [top_strength][top_q]; | |
869 | let lim_left = RV40_FILTER_CLIP_TBL[left_strength][l_q]; | |
870 | let lim_bottom = RV40_FILTER_CLIP_TBL [bot_strength][q]; | |
871 | ||
872 | if test_bit!(c_h_deblock, bpos + 2) { | |
873 | rv40_loop_filter4_h(dst, coff + 4 * stride[comp] + x * 4, stride[comp], | |
874 | x * 8, lim_cur, lim_bottom, alpha, beta, beta_c, true, false); | |
875 | } | |
876 | if test_bit!(c_v_deblock, bpos) && !ver_strong { | |
877 | rv40_loop_filter4_v(dst, coff + x * 4, stride[comp], | |
878 | y * 8, lim_left, lim_cur, alpha, beta, beta_c, true, false); | |
879 | } | |
880 | if (y == 0) && test_bit!(c_h_deblock, bpos) && (is_strong || top_is_strong) { | |
881 | rv40_loop_filter4_h(dst, coff + x * 4, stride[comp], | |
882 | x * 8, lim_top, lim_cur, alpha, beta, beta_c, true, true); | |
883 | } | |
884 | if test_bit!(c_v_deblock, bpos) && ver_strong { | |
885 | rv40_loop_filter4_v(dst, coff + x * 4, stride[comp], | |
886 | y * 8, lim_left, lim_cur, alpha, beta, beta_c, true, true); | |
887 | } | |
888 | } | |
889 | } | |
890 | } | |
891 | ||
892 | left_q = q; | |
893 | left_dbk = cur_dbk; | |
894 | left_cbp = cur_cbp; | |
895 | ||
896 | mb_pos += 1; | |
897 | } | |
898 | } | |
899 | fn do_luma_mc(&self, frame: &mut NAVideoBuffer<u8>, prev_frame: &NAVideoBuffer<u8>, x: usize, y: usize, mv: MV, use16: bool, avg: bool) { | |
900 | let size: usize = if use16 { 16 } else { 8 }; | |
901 | let dstride = frame.get_stride(0); | |
902 | let doffset = frame.get_offset(0) + (if !avg { x + y * dstride } else { 0 }); | |
903 | let data = frame.get_data_mut().unwrap(); | |
904 | let dst: &mut [u8] = data.as_mut_slice(); | |
905 | ||
906 | let (w_, h_) = prev_frame.get_dimensions(0); | |
907 | let w = (w_ + 15) & !15; | |
908 | let h = (h_ + 15) & !15; | |
909 | ||
910 | let dx = mv.x >> 2; | |
911 | let cx = (mv.x & 3) as usize; | |
912 | let dy = mv.y >> 2; | |
913 | let cy = (mv.y & 3) as usize; | |
914 | let mode = cx + cy * 4; | |
915 | ||
916 | if check_pos(x, y, size, w, h, dx, dy, RV40_EDGE1[cx], RV40_EDGE2[cx], RV40_EDGE1[cy], RV40_EDGE2[cy]) { | |
917 | let sstride = prev_frame.get_stride(0); | |
918 | let mut soffset = prev_frame.get_offset(0) + x + y * sstride; | |
919 | let data = prev_frame.get_data(); | |
920 | let src: &[u8] = data.as_slice(); | |
921 | soffset = ((soffset as isize) + (dx as isize) + (dy as isize) * (sstride as isize)) as usize; | |
922 | self.luma_mc[if use16 { 0 } else { 1 }][mode](dst, doffset, dstride, src, soffset, sstride); | |
923 | } else { | |
924 | let mut ebuf: [u8; 32*22] = [0; 32*22]; | |
925 | edge_emu(prev_frame, (x as isize) + (dx as isize) - 2, (y as isize) + (dy as isize) - 2, 16+5, 16+5, &mut ebuf, 32, 0, 4); | |
926 | self.luma_mc[if use16 { 0 } else { 1 }][mode](dst, doffset, dstride, &ebuf, 32*2 + 2, 32); | |
927 | } | |
928 | } | |
929 | fn do_chroma_mc(&self, frame: &mut NAVideoBuffer<u8>, prev_frame: &NAVideoBuffer<u8>, x: usize, y: usize, comp: usize, mv: MV, use8: bool, avg: bool) { | |
930 | let size: usize = if use8 { 8 } else { 4 }; | |
931 | let dstride = frame.get_stride(comp); | |
932 | let doffset = frame.get_offset(comp) + (if !avg { x + y * dstride } else { 0 }); | |
933 | let data = frame.get_data_mut().unwrap(); | |
934 | let dst: &mut [u8] = data.as_mut_slice(); | |
935 | ||
936 | let (w_, h_) = prev_frame.get_dimensions(comp); | |
937 | let w = (w_ + 7) & !7; | |
938 | let h = (h_ + 7) & !7; | |
939 | ||
940 | let mvx = mv.x / 2; | |
941 | let mvy = mv.y / 2; | |
942 | let dx = mvx >> 2; | |
943 | let mut cx = (mvx & 3) as usize; | |
944 | let dy = mvy >> 2; | |
945 | let mut cy = (mvy & 3) as usize; | |
946 | ||
947 | if (cx == 3) && (cy == 3) { | |
948 | cx = 2; | |
949 | cy = 2; | |
950 | } | |
951 | ||
952 | if check_pos(x, y, size, w, h, dx, dy, 0, 1, 0, 1) { | |
953 | let sstride = prev_frame.get_stride(comp); | |
954 | let mut soffset = prev_frame.get_offset(comp) + x + y * sstride; | |
955 | let data = prev_frame.get_data(); | |
956 | let src: &[u8] = data.as_slice(); | |
957 | soffset = ((soffset as isize) + (dx as isize) + (dy as isize) * (sstride as isize)) as usize; | |
958 | rv40_chroma_mc(dst, doffset, dstride, src, soffset, sstride, size, cx, cy); | |
959 | } else { | |
960 | let mut ebuf: [u8; 16*10] = [0; 16*10]; | |
961 | edge_emu(prev_frame, (x as isize) + (dx as isize), (y as isize) + (dy as isize), 8+1, 8+1, &mut ebuf, 16, comp, 4); | |
962 | rv40_chroma_mc(dst, doffset, dstride, &ebuf, 0, 16, size, cx, cy); | |
963 | } | |
964 | } | |
965 | } |