projects / nihav.git / blame
| Commit | Line | Data |
|---|---|---|
| 5641dccf KS |
1 | use nihav_core::frame::{FrameType, NAVideoBuffer}; |
| 2 | use nihav_core::codecs::MV; | |
| 3 | use nihav_core::codecs::blockdsp::edge_emu; | |
| 47527732 KS |
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 | } | |
| 42 | ||
| 43 | macro_rules! mc_func { | |
| 44 | (copy; $name: ident, $size: expr) => ( | |
| 45 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 46 | for _ in 0..$size { | |
| 47 | let d = &mut dst[didx..][..$size]; | |
| 48 | let s = &src[sidx..][..$size]; | |
| 49 | for x in 0..$size { d[x] = s[x]; } | |
| 50 | didx += dstride; | |
| 51 | sidx += sstride; | |
| 52 | } | |
| 53 | } | |
| 54 | ); | |
| 55 | (mc01; $name: ident, $size: expr, $ver: expr) => ( | |
| 56 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 57 | let step = if $ver { sstride } else { 1 }; | |
| 58 | for _ in 0..$size { | |
| 59 | for x in 0..$size { | |
| 60 | dst[didx + x] = filter!(01; src, sidx + x, step); | |
| 61 | } | |
| 62 | sidx += sstride; | |
| 63 | didx += dstride; | |
| 64 | } | |
| 65 | } | |
| 66 | ); | |
| 67 | (mc02; $name: ident, $size: expr, $ver: expr) => ( | |
| 68 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 69 | let step = if $ver { sstride } else { 1 }; | |
| 70 | for _ in 0..$size { | |
| 71 | for x in 0..$size { | |
| 72 | dst[didx + x] = filter!(02; src, sidx + x, step); | |
| 73 | } | |
| 74 | sidx += sstride; | |
| 75 | didx += dstride; | |
| 76 | } | |
| 77 | } | |
| 78 | ); | |
| 79 | (mc03; $name: ident, $size: expr, $ver: expr) => ( | |
| 80 | fn $name (dst: &mut [u8], mut didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 81 | let step = if $ver { sstride } else { 1 }; | |
| 82 | for _ in 0..$size { | |
| 83 | for x in 0..$size { | |
| 84 | dst[didx + x] = filter!(03; src, sidx + x, step); | |
| 85 | } | |
| 86 | sidx += sstride; | |
| 87 | didx += dstride; | |
| 88 | } | |
| 89 | } | |
| 90 | ); | |
| 91 | (cm01; $name: ident, $size: expr, $ofilt: ident) => ( | |
| 92 | fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 93 | let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size]; | |
| 94 | let mut bidx = 0; | |
| 95 | let bstride = $size; | |
| 96 | sidx -= sstride * 2; | |
| 97 | for _ in 0..$size+5 { | |
| 98 | for x in 0..$size { buf[bidx + x] = filter!(01; src, sidx + x, 1); } | |
| 99 | bidx += bstride; | |
| 100 | sidx += sstride; | |
| 101 | } | |
| 102 | $ofilt(dst, didx, dstride, &buf, 2*bstride, $size); | |
| 103 | } | |
| 104 | ); | |
| 105 | (cm02; $name: ident, $size: expr, $ofilt: ident) => ( | |
| 106 | fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 107 | let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size]; | |
| 108 | let mut bidx = 0; | |
| 109 | let bstride = $size; | |
| 110 | sidx -= sstride * 2; | |
| 111 | for _ in 0..$size+5 { | |
| 112 | for x in 0..$size { buf[bidx + x] = filter!(02; src, sidx + x, 1); } | |
| 113 | bidx += bstride; | |
| 114 | sidx += sstride; | |
| 115 | } | |
| 116 | $ofilt(dst, didx, dstride, &buf, 2*bstride, $size); | |
| 117 | } | |
| 118 | ); | |
| 119 | (cm03; $name: ident, $size: expr, $ofilt: ident) => ( | |
| 120 | fn $name (dst: &mut [u8], didx: usize, dstride: usize, src: &[u8], mut sidx: usize, sstride: usize) { | |
| 121 | let mut buf: [u8; ($size + 5) * $size] = [0; ($size + 5) * $size]; | |
| 122 | let mut bidx = 0; | |
| 123 | let bstride = $size; | |
| 124 | sidx -= sstride * 2; | |
| 125 | for _ in 0..$size+5 { | |
| 126 | for x in 0..$size { buf[bidx + x] = filter!(03; src, sidx + x, 1); } | |
| 127 | bidx += bstride; | |
| 128 | sidx += sstride; | |
| 129 | } | |
| 130 | $ofilt(dst, didx, dstride, &buf, 2*bstride, $size); | |
| 131 | } | |
| 132 | ); | |
| 133 | } | |
| 134 | mc_func!(copy; copy_16, 16); | |
| 135 | mc_func!(copy; copy_8, 8); | |
| 136 | mc_func!(mc01; luma_mc_10_16, 16, false); | |
| 137 | mc_func!(mc01; luma_mc_10_8, 8, false); | |
| 138 | mc_func!(mc02; luma_mc_20_16, 16, false); | |
| 139 | mc_func!(mc02; luma_mc_20_8, 8, false); | |
| 140 | mc_func!(mc03; luma_mc_30_16, 16, false); | |
| 141 | mc_func!(mc03; luma_mc_30_8, 8, false); | |
| 142 | mc_func!(mc01; luma_mc_01_16, 16, true); | |
| 143 | mc_func!(mc01; luma_mc_01_8, 8, true); | |
| 144 | mc_func!(mc02; luma_mc_02_16, 16, true); | |
| 145 | mc_func!(mc02; luma_mc_02_8, 8, true); | |
| 146 | mc_func!(mc03; luma_mc_03_16, 16, true); | |
| 147 | mc_func!(mc03; luma_mc_03_8, 8, true); | |
| 148 | mc_func!(cm01; luma_mc_11_16, 16, luma_mc_01_16); | |
| 149 | mc_func!(cm01; luma_mc_11_8, 8, luma_mc_01_8); | |
| 150 | mc_func!(cm01; luma_mc_12_16, 16, luma_mc_02_16); | |
| 151 | mc_func!(cm01; luma_mc_12_8, 8, luma_mc_02_8); | |
| 152 | mc_func!(cm01; luma_mc_13_16, 16, luma_mc_03_16); | |
| 153 | mc_func!(cm01; luma_mc_13_8, 8, luma_mc_03_8); | |
| 154 | mc_func!(cm02; luma_mc_21_16, 16, luma_mc_01_16); | |
| 155 | mc_func!(cm02; luma_mc_21_8, 8, luma_mc_01_8); | |
| 156 | mc_func!(cm02; luma_mc_22_16, 16, luma_mc_02_16); | |
| 157 | mc_func!(cm02; luma_mc_22_8, 8, luma_mc_02_8); | |
| 158 | mc_func!(cm02; luma_mc_23_16, 16, luma_mc_03_16); | |
| 159 | mc_func!(cm02; luma_mc_23_8, 8, luma_mc_03_8); | |
| 160 | mc_func!(cm03; luma_mc_31_16, 16, luma_mc_01_16); | |
| 161 | mc_func!(cm03; luma_mc_31_8, 8, luma_mc_01_8); | |
| 162 | mc_func!(cm03; luma_mc_32_16, 16, luma_mc_02_16); | |
| 163 | mc_func!(cm03; luma_mc_32_8, 8, luma_mc_02_8); | |
| 164 | mc_func!(cm03; luma_mc_33_16, 16, luma_mc_03_16); | |
| 165 | mc_func!(cm03; luma_mc_33_8, 8, luma_mc_03_8); | |
| 166 | ||
| 167 | const RV40_CHROMA_BIAS: [[u16; 4]; 4] = [ | |
| 168 | [ 0, 4, 8, 4 ], | |
| 169 | [ 8, 7, 8, 7 ], | |
| 170 | [ 0, 8, 4, 8 ], | |
| 171 | [ 8, 7, 8, 7 ] | |
| 172 | ]; | |
| 173 | ||
| 174 | 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) { | |
| 175 | if (x == 0) && (y == 0) { | |
| 176 | for _ in 0..size { | |
| 177 | for x in 0..size { dst[didx + x] = src[sidx + x]; } | |
| 178 | didx += dstride; | |
| 179 | sidx += sstride; | |
| 180 | } | |
| 181 | return; | |
| 182 | } | |
| 183 | let bias = RV40_CHROMA_BIAS[y >> 1][x >> 1]; | |
| 184 | if (x > 0) && (y > 0) { | |
| 185 | let a = ((4 - x) * (4 - y)) as u16; | |
| 186 | let b = (( x) * (4 - y)) as u16; | |
| 187 | let c = ((4 - x) * ( y)) as u16; | |
| 188 | let d = (( x) * ( y)) as u16; | |
| 189 | for _ in 0..size { | |
| 190 | for x in 0..size { | |
| 191 | dst[didx + x] = ((a * (src[sidx + x] as u16) | |
| 192 | + b * (src[sidx + x + 1] as u16) | |
| 193 | + c * (src[sidx + x + sstride] as u16) | |
| 194 | + d * (src[sidx + x + 1 + sstride] as u16) + bias) >> 4) as u8; | |
| 195 | } | |
| 196 | didx += dstride; | |
| 197 | sidx += sstride; | |
| 198 | } | |
| 199 | } else { | |
| 200 | let a = ((4 - x) * (4 - y)) as u16; | |
| 201 | let e = (( x) * (4 - y) + (4 - x) * ( y)) as u16; | |
| 202 | let step = if y > 0 { sstride } else { 1 }; | |
| 203 | for _ in 0..size { | |
| 204 | for x in 0..size { | |
| 205 | dst[didx + x] = ((a * (src[sidx + x] as u16) | |
| 206 | + e * (src[sidx + x + step] as u16) + bias) >> 4) as u8; | |
| 207 | } | |
| 208 | didx += dstride; | |
| 209 | sidx += sstride; | |
| 210 | } | |
| 211 | } | |
| 212 | } | |
| 213 | ||
| 214 | pub struct RV40DSP { | |
| 215 | luma_mc: [[fn (&mut [u8], usize, usize, &[u8], usize, usize); 16]; 2], | |
| 216 | } | |
| 217 | ||
| 218 | impl RV40DSP { | |
| 219 | pub fn new() -> Self { | |
| 220 | RV40DSP { | |
| 221 | luma_mc: [ | |
| 1a151e53 | 222 | [ copy_16, luma_mc_10_16, luma_mc_20_16, luma_mc_30_16, |
| 47527732 KS |
223 | luma_mc_01_16, luma_mc_11_16, luma_mc_21_16, luma_mc_31_16, |
| 224 | luma_mc_02_16, luma_mc_12_16, luma_mc_22_16, luma_mc_32_16, | |
| 225 | luma_mc_03_16, luma_mc_13_16, luma_mc_23_16, luma_mc_33_16 ], | |
| 226 | [ copy_8, luma_mc_10_8, luma_mc_20_8, luma_mc_30_8, | |
| 227 | luma_mc_01_8, luma_mc_11_8, luma_mc_21_8, luma_mc_31_8, | |
| 228 | luma_mc_02_8, luma_mc_12_8, luma_mc_22_8, luma_mc_32_8, | |
| 229 | luma_mc_03_8, luma_mc_13_8, luma_mc_23_8, luma_mc_33_8 ] ], | |
| 230 | } | |
| 231 | } | |
| 232 | } | |
| 233 | ||
| 234 | macro_rules! el { | |
| 235 | ($src: ident, $o: expr) => ($src[$o] as i16); | |
| 236 | } | |
| 237 | ||
| 238 | fn clip_symm(a: i16, lim: i16) -> i16 { | |
| 239 | if a < -lim { | |
| 240 | -lim | |
| 241 | } else if a > lim { | |
| 242 | lim | |
| 243 | } else { | |
| 244 | a | |
| 245 | } | |
| 246 | } | |
| 247 | ||
| 248 | fn rv40_weak_loop_filter4(pix: &mut [u8], mut off: usize, step: usize, stride: usize, | |
| 249 | filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16, | |
| 250 | lim_p0q0: i16, lim_p1: i16, lim_q1: i16) { | |
| 251 | for _ in 0..4 { | |
| 252 | let p0 = el!(pix, off - step); | |
| 253 | let q0 = el!(pix, off); | |
| 254 | ||
| 255 | let t = q0 - p0; | |
| 256 | if t == 0 { | |
| 257 | off += stride; | |
| 258 | continue; | |
| 259 | } | |
| 260 | ||
| 261 | let u = (alpha * t.wrapping_abs()) >> 7; | |
| 262 | if u > (if filter_p1 && filter_q1 { 2 } else { 3 }) { | |
| 263 | off += stride; | |
| 264 | continue; | |
| 265 | } | |
| 266 | ||
| 267 | let p2 = el!(pix, off - 3*step); | |
| 268 | let p1 = el!(pix, off - 2*step); | |
| 269 | let q1 = el!(pix, off + step); | |
| 270 | let q2 = el!(pix, off + 2*step); | |
| 271 | ||
| 272 | let str; | |
| 273 | if filter_p1 && filter_q1 { | |
| 274 | str = (t << 2) + (p1 - q1); | |
| 275 | } else { | |
| 276 | str = t << 2; | |
| 277 | } | |
| 278 | ||
| 279 | let diff = clip_symm((str + 4) >> 3, lim_p0q0); | |
| 280 | pix[off - step] = clip8(p0 + diff); | |
| 281 | pix[off ] = clip8(q0 - diff); | |
| 282 | ||
| 283 | if filter_p1 && ((p1 - p0).wrapping_abs() <= beta) { | |
| 284 | let p1_diff = ((p1 - p0) + (p1 - p2) - diff) >> 1; | |
| 285 | pix[off - 2*step] = clip8(p1 - clip_symm(p1_diff, lim_p1)); | |
| 286 | } | |
| 287 | ||
| 288 | if filter_q1 && ((q1 - q0).wrapping_abs() <= beta) { | |
| 289 | let q1_diff = ((q1 - q0) + (q1 - q2) + diff) >> 1; | |
| 290 | pix[off + step] = clip8(q1 - clip_symm(q1_diff, lim_q1)); | |
| 291 | } | |
| 292 | ||
| 293 | off += stride; | |
| 294 | } | |
| 295 | } | |
| 296 | ||
| 297 | fn rv40_weak_loop_filter4_h(pix: &mut [u8], off: usize, stride: usize, | |
| 298 | filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16, | |
| 299 | lim_p0q0: i16, lim_p1: i16, lim_q1: i16) { | |
| 300 | rv40_weak_loop_filter4(pix, off, stride, 1, filter_p1, filter_q1, alpha, beta, lim_p0q0, lim_p1, lim_q1); | |
| 301 | } | |
| 302 | fn rv40_weak_loop_filter4_v(pix: &mut [u8], off: usize, stride: usize, | |
| 303 | filter_p1: bool, filter_q1: bool, alpha: i16, beta: i16, | |
| 304 | lim_p0q0: i16, lim_p1: i16, lim_q1: i16) { | |
| 305 | let src = &mut pix[off - 3..][..stride * 3 + 3 + 3]; | |
| 306 | for ch in src.chunks_mut(stride).take(4) { | |
| 307 | assert!(ch.len() >= 3 + 3); | |
| 308 | let p0 = el!(ch, 3 - 1); | |
| 309 | let q0 = el!(ch, 3); | |
| 310 | ||
| 311 | let t = q0 - p0; | |
| 312 | if t == 0 { | |
| 313 | continue; | |
| 314 | } | |
| 315 | ||
| 316 | let u = (alpha * t.wrapping_abs()) >> 7; | |
| 317 | if u > (if filter_p1 && filter_q1 { 2 } else { 3 }) { | |
| 318 | continue; | |
| 319 | } | |
| 320 | ||
| 321 | let p2 = el!(ch, 3 - 3); | |
| 322 | let p1 = el!(ch, 3 - 2); | |
| 323 | let q1 = el!(ch, 3 + 1); | |
| 324 | let q2 = el!(ch, 3 + 2); | |
| 325 | ||
| 326 | let str; | |
| 327 | if filter_p1 && filter_q1 { | |
| 328 | str = (t << 2) + (p1 - q1); | |
| 329 | } else { | |
| 330 | str = t << 2; | |
| 331 | } | |
| 332 | ||
| 333 | let diff = clip_symm((str + 4) >> 3, lim_p0q0); | |
| 334 | ch[3 - 1] = clip8(p0 + diff); | |
| 335 | ch[3 ] = clip8(q0 - diff); | |
| 336 | ||
| 337 | if filter_p1 && ((p1 - p0).wrapping_abs() <= beta) { | |
| 338 | let p1_diff = ((p1 - p0) + (p1 - p2) - diff) >> 1; | |
| 339 | ch[3 - 2] = clip8(p1 - clip_symm(p1_diff, lim_p1)); | |
| 340 | } | |
| 341 | ||
| 342 | if filter_q1 && ((q1 - q0).wrapping_abs() <= beta) { | |
| 343 | let q1_diff = ((q1 - q0) + (q1 - q2) + diff) >> 1; | |
| 344 | ch[3 + 1] = clip8(q1 - clip_symm(q1_diff, lim_q1)); | |
| 345 | } | |
| 346 | } | |
| 347 | } | |
| 348 | ||
| 349 | ||
| 350 | const RV40_DITHER_L: [i16; 16] = [ | |
| 351 | 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30, | |
| 352 | 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40 | |
| 353 | ]; | |
| 354 | const RV40_DITHER_R: [i16; 16] = [ | |
| 355 | 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40, | |
| 356 | 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40 | |
| 357 | ]; | |
| 358 | ||
| 359 | fn sfilter(a: i16, b: i16, c: i16, d: i16, e: i16, dither: i16, clip: bool, lims: i16) -> i16 { | |
| 360 | let val = (25 * (a + e) + 26 * (b + c + d) + dither) >> 7; | |
| 361 | if clip { | |
| 362 | if val < c - lims { | |
| 363 | c - lims | |
| 364 | } else if val > c + lims { | |
| 365 | c + lims | |
| 366 | } else { | |
| 367 | c | |
| 368 | } | |
| 369 | } else { | |
| 370 | val | |
| 371 | } | |
| 372 | } | |
| 373 | ||
| 374 | fn rv40_strong_loop_filter4(pix: &mut [u8], mut off: usize, step: usize, stride: usize, | |
| 375 | alpha: i16, lims: i16, dmode: usize, chroma: bool) { | |
| 376 | for i in 0..4 { | |
| 377 | let p0 = el!(pix, off - step); | |
| 378 | let q0 = el!(pix, off); | |
| 379 | ||
| 380 | let t = q0 - p0; | |
| 381 | if t == 0 { | |
| 382 | off += stride; | |
| 383 | continue; | |
| 384 | } | |
| 385 | ||
| 386 | let fmode = (alpha * t.wrapping_abs()) >> 7; | |
| 387 | if fmode > 1 { | |
| 388 | off += stride; | |
| 389 | continue; | |
| 390 | } | |
| 391 | ||
| 392 | let p3 = el!(pix, off - 4*step); | |
| 393 | let p2 = el!(pix, off - 3*step); | |
| 394 | let p1 = el!(pix, off - 2*step); | |
| 395 | let q1 = el!(pix, off + step); | |
| 396 | let q2 = el!(pix, off + 2*step); | |
| 397 | let q3 = el!(pix, off + 3*step); | |
| 398 | ||
| 399 | let np0 = sfilter(p2, p1, p0, q0, q1, RV40_DITHER_L[dmode + i], fmode != 0, lims); | |
| 400 | let nq0 = sfilter( p1, p0, q0, q1, q0, RV40_DITHER_R[dmode + i], fmode != 0, lims); | |
| 401 | ||
| 402 | let np1 = sfilter(p3, p2, p1, np0, q0, RV40_DITHER_L[dmode + i], fmode != 0, lims); | |
| 403 | let nq1 = sfilter( p0, nq0, q1, q2, q3, RV40_DITHER_R[dmode + i], fmode != 0, lims); | |
| 404 | ||
| 405 | pix[off - 2*step] = np1 as u8; | |
| 406 | pix[off - step] = np0 as u8; | |
| 407 | pix[off] = nq0 as u8; | |
| 408 | pix[off + step] = nq1 as u8; | |
| 409 | ||
| 410 | if !chroma { | |
| 411 | let np2 = sfilter(np0, np1, p2, p3, np1, 64, false, 0); | |
| 412 | let nq2 = sfilter(nq0, nq1, q2, q3, q2, 64, false, 0); | |
| 413 | pix[off - 3*step] = np2 as u8; | |
| 414 | pix[off + 2*step] = nq2 as u8; | |
| 415 | } | |
| 416 | ||
| 417 | off += stride; | |
| 418 | } | |
| 419 | } | |
| 420 | ||
| 421 | fn rv40_loop_strength(pix: &[u8], off: usize, step: usize, stride: usize, | |
| 422 | beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) { | |
| 423 | let mut sum_p1p0 = 0; | |
| 424 | let mut sum_q1q0 = 0; | |
| 425 | ||
| 426 | let mut off1 = off; | |
| 427 | for _ in 0..4 { | |
| 428 | sum_p1p0 += el!(pix, off1 - 2 * step) - el!(pix, off1 - step); | |
| 429 | sum_q1q0 += el!(pix, off1 + step) - el!(pix, off1); | |
| 430 | off1 += stride; | |
| 431 | } | |
| 432 | ||
| 433 | let filter_p1 = sum_p1p0.wrapping_abs() < beta * 4; | |
| 434 | let filter_q1 = sum_q1q0.wrapping_abs() < beta * 4; | |
| 435 | ||
| 436 | if (!filter_p1 || !filter_q1) || !edge { | |
| 437 | return (false, filter_p1, filter_q1); | |
| 438 | } | |
| 439 | ||
| 440 | let mut sum_p1p2 = 0; | |
| 441 | let mut sum_q1q2 = 0; | |
| 442 | ||
| 443 | let mut off1 = off; | |
| 444 | for _ in 0..4 { | |
| 445 | sum_p1p2 += el!(pix, off1 - 2 * step) - el!(pix, off1 - 3 * step); | |
| 446 | sum_q1q2 += el!(pix, off1 + step) - el!(pix, off1 + 2 * step); | |
| 447 | off1 += stride; | |
| 448 | } | |
| 449 | ||
| 450 | let strong = (sum_p1p2.wrapping_abs() < beta2) && (sum_q1q2.wrapping_abs() < beta2); | |
| 451 | ||
| 452 | (strong, filter_p1, filter_q1) | |
| 453 | } | |
| 454 | ||
| 455 | fn rv40_loop_strength_h(pix: &[u8], off: usize, stride: usize, | |
| 456 | beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) { | |
| 457 | rv40_loop_strength(pix, off, stride, 1, beta, beta2, edge) | |
| 458 | } | |
| 459 | ||
| 460 | fn rv40_loop_strength_v(pix: &[u8], off: usize, stride: usize, | |
| 461 | beta: i16, beta2: i16, edge: bool) -> (bool, bool, bool) { | |
| 462 | let src = &pix[off - 3..][..stride * 3 + 3 + 3]; | |
| 463 | let mut sum_p1p0 = 0; | |
| 464 | let mut sum_q1q0 = 0; | |
| 465 | ||
| 466 | for ch in src.chunks(stride).take(4) { | |
| 467 | assert!(ch.len() >= 3 + 3); | |
| 468 | sum_p1p0 += el!(ch, 3 - 2) - el!(ch, 3 - 1); | |
| 469 | sum_q1q0 += el!(ch, 3 + 1) - el!(ch, 3); | |
| 470 | } | |
| 471 | ||
| 472 | let filter_p1 = sum_p1p0.wrapping_abs() < beta * 4; | |
| 473 | let filter_q1 = sum_q1q0.wrapping_abs() < beta * 4; | |
| 474 | ||
| 475 | if (!filter_p1 || !filter_q1) || !edge { | |
| 476 | return (false, filter_p1, filter_q1); | |
| 477 | } | |
| 478 | ||
| 479 | let mut sum_p1p2 = 0; | |
| 480 | let mut sum_q1q2 = 0; | |
| 481 | ||
| 482 | for ch in src.chunks(stride).take(4) { | |
| 483 | assert!(ch.len() >= 3 + 3); | |
| 484 | sum_p1p2 += el!(ch, 3 - 2) - el!(ch, 3 - 3); | |
| 485 | sum_q1q2 += el!(ch, 3 + 1) - el!(ch, 3 + 2); | |
| 486 | } | |
| 487 | ||
| 488 | let strong = (sum_p1p2.wrapping_abs() < beta2) && (sum_q1q2.wrapping_abs() < beta2); | |
| 489 | ||
| 490 | (strong, filter_p1, filter_q1) | |
| 491 | } | |
| 492 | ||
| 493 | fn rv40_loop_filter4_h(pix: &mut [u8], off: usize, stride: usize, | |
| 494 | dmode: usize, lim_p1: i16, lim_q1: i16, alpha: i16, beta: i16, beta2: i16, | |
| 495 | chroma: bool, edge: bool) { | |
| 496 | let (strong, filter_p1, filter_q1) = rv40_loop_strength_h(pix, off, stride, beta, beta2, edge); | |
| 497 | let lims = (filter_p1 as i16) + (filter_q1 as i16) + ((lim_p1 + lim_q1) >> 1) + 1; | |
| 498 | ||
| 499 | if strong { | |
| 500 | rv40_strong_loop_filter4(pix, off, stride, 1, alpha, lims, dmode, chroma); | |
| 501 | } else if filter_p1 && filter_q1 { | |
| 502 | rv40_weak_loop_filter4_h(pix, off, stride, true, true, alpha, beta, | |
| 503 | lims, lim_p1, lim_q1); | |
| 504 | } else if filter_p1 || filter_q1 { | |
| 505 | rv40_weak_loop_filter4_h(pix, off, stride, filter_p1, filter_q1, alpha, beta, | |
| 506 | lims >> 1, lim_p1 >> 1, lim_q1 >> 1); | |
| 507 | } | |
| 508 | } | |
| 509 | ||
| 510 | fn rv40_loop_filter4_v(pix: &mut [u8], off: usize, stride: usize, | |
| 511 | dmode: usize, lim_p1: i16, lim_q1: i16, alpha: i16, beta: i16, beta2: i16, | |
| 512 | chroma: bool, edge: bool) { | |
| 513 | let (strong, filter_p1, filter_q1) = rv40_loop_strength_v(pix, off, stride, beta, beta2, edge); | |
| 514 | let lims = (filter_p1 as i16) + (filter_q1 as i16) + ((lim_p1 + lim_q1) >> 1) + 1; | |
| 515 | ||
| 516 | if strong { | |
| 517 | rv40_strong_loop_filter4(pix, off, 1, stride, alpha, lims, dmode, chroma); | |
| 518 | } else if filter_p1 && filter_q1 { | |
| 519 | rv40_weak_loop_filter4_v(pix, off, stride, true, true, alpha, beta, | |
| 520 | lims, lim_p1, lim_q1); | |
| 521 | } else if filter_p1 || filter_q1 { | |
| 522 | rv40_weak_loop_filter4_v(pix, off, stride, filter_p1, filter_q1, alpha, beta, | |
| 523 | lims >> 1, lim_p1 >> 1, lim_q1 >> 1); | |
| 524 | } | |
| 525 | } | |
| 526 | ||
| 527 | const RV40_ALPHA_TAB: [i16; 32] = [ | |
| 528 | 128, 128, 128, 128, 128, 128, 128, 128, | |
| 529 | 128, 128, 122, 96, 75, 59, 47, 37, | |
| 530 | 29, 23, 18, 15, 13, 11, 10, 9, | |
| 531 | 8, 7, 6, 5, 4, 3, 2, 1 | |
| 532 | ]; | |
| 533 | ||
| 534 | const RV40_BETA_TAB: [i16; 32] = [ | |
| 535 | 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 4, 4, 4, 6, 6, | |
| 536 | 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17 | |
| 537 | ]; | |
| 538 | ||
| 539 | const RV40_FILTER_CLIP_TBL: [[i16; 32]; 3] = [ | |
| 540 | [ | |
| 541 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 542 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
| 543 | ], [ | |
| 544 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, | |
| 545 | 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5 | |
| 546 | ], [ | |
| 547 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, | |
| 548 | 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9 | |
| 549 | ] | |
| 550 | ]; | |
| 551 | ||
| 552 | macro_rules! test_bit { | |
| 553 | ($pat: expr, $x: expr) => ( (($pat >> $x) & 1) != 0 ) | |
| 554 | } | |
| 555 | ||
| 556 | 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 { | |
| 557 | let xn = (x as isize) + (dx as isize); | |
| 558 | let yn = (y as isize) + (dy as isize); | |
| 559 | ||
| 560 | (xn - e0 >= 0) && (xn + (size as isize) + e1 <= (w as isize)) && (yn - e2 >= 0) && (yn + (size as isize) + e3 <= (h as isize)) | |
| 561 | } | |
| 562 | ||
| 563 | const RV40_EDGE1: [isize; 4] = [ 0, 2, 2, 2 ]; | |
| 564 | const RV40_EDGE2: [isize; 4] = [ 0, 3, 3, 3 ]; | |
| 565 | ||
| 566 | impl RV34DSP for RV40DSP { | |
| 567 | fn loop_filter(&self, frame: &mut NAVideoBuffer<u8>, _ftype: FrameType, mbinfo: &[RV34MBInfo], mb_w: usize, row: usize) { | |
| 568 | // todo proper B-frame filtering? | |
| 569 | let mut offs: [usize; 3] = [0; 3]; | |
| 570 | let mut stride: [usize; 3] = [0; 3]; | |
| 571 | let (w, h) = frame.get_dimensions(0); | |
| 572 | let small_frame = w * h <= 176*144; | |
| 573 | ||
| 574 | for comp in 0..3 { | |
| 575 | stride[comp] = frame.get_stride(comp); | |
| 576 | let start = if comp == 0 { row * 16 } else { row * 8 }; | |
| 577 | offs[comp] = frame.get_offset(comp) + start * stride[comp]; | |
| 578 | } | |
| 579 | ||
| 580 | let mut data = frame.get_data_mut(); | |
| 581 | let dst: &mut [u8] = data.as_mut_slice(); | |
| 582 | ||
| 583 | let mut mb_pos: usize = row * mb_w; | |
| 584 | let mut left_q: usize = 0; | |
| 585 | for mb_x in 0..mb_w { | |
| 586 | let q = mbinfo[mb_pos].q as usize; | |
| 587 | let alpha = RV40_ALPHA_TAB[q]; | |
| 588 | let beta = RV40_BETA_TAB[q]; | |
| 589 | let beta_y = if small_frame { beta * 4 } else { beta * 3 }; | |
| 590 | let beta_c = beta * 3; | |
| 591 | ||
| 592 | let cur_dbk = mbinfo[mb_pos].deblock; | |
| 593 | let cur_cbp = mbinfo[mb_pos].cbp_c; | |
| 594 | ||
| 595 | let is_strong = mbinfo[mb_pos].mbtype.is_intra_or_16(); | |
| 596 | let top_is_strong = is_strong || (row > 0 && mbinfo[mb_pos - mb_w].mbtype.is_intra_or_16()); | |
| 597 | let left_is_strong = is_strong || (mb_x > 0 && mbinfo[mb_pos - 1].mbtype.is_intra_or_16()); | |
| 598 | ||
| 599 | for y in 0..4 { | |
| 600 | let yoff = offs[0] + mb_x * 16 + y * 4 * stride[0]; | |
| 601 | for x in 0..4 { | |
| 602 | let bpos = x + y * 4; | |
| 603 | let filter_hor_down = (y != 3) && !is_strong; | |
| 604 | let filter_ver = (x > 0) || (mb_x > 0); | |
| 605 | let filter_hor_up = (row > 0) && (x == 0) && top_is_strong; | |
| 606 | let ver_strong = (x == 0) && (mb_x > 0) && left_is_strong; | |
| 607 | ||
| 608 | let cur_strength: usize; | |
| 609 | if is_strong { | |
| 610 | cur_strength = 2; | |
| 611 | } else if test_bit!(cur_dbk, bpos) { | |
| 612 | cur_strength = 1; | |
| 613 | } else { | |
| 614 | cur_strength = 0; | |
| 615 | } | |
| 616 | ||
| 617 | let left_strength: usize; | |
| 618 | if x > 0 { | |
| 619 | if is_strong { | |
| 620 | left_strength = 2; | |
| 621 | } else if test_bit!(cur_dbk, bpos - 1) { | |
| 622 | left_strength = 1; | |
| 623 | } else { | |
| 624 | left_strength = 0; | |
| 625 | } | |
| 626 | } else if mb_x > 0 { | |
| 627 | if left_is_strong { | |
| 628 | left_strength = 2; | |
| 629 | } else if test_bit!(mbinfo[mb_pos - 1].deblock, bpos + 3) { | |
| 630 | left_strength = 1; | |
| 631 | } else { | |
| 632 | left_strength = 0; | |
| 633 | } | |
| 634 | } else { | |
| 635 | left_strength = 0; | |
| 636 | } | |
| 637 | ||
| 638 | let bot_strength: usize; | |
| 639 | if y < 3 { | |
| 640 | if is_strong { | |
| 641 | bot_strength = 2; | |
| 642 | } else if test_bit!(cur_dbk, bpos + 4) { | |
| 643 | bot_strength = 1; | |
| 644 | } else { | |
| 645 | bot_strength = 0; | |
| 646 | } | |
| 647 | } else { | |
| 648 | bot_strength = 0; | |
| 649 | } | |
| 650 | ||
| 651 | let top_strength: usize; | |
| 652 | if y > 0 { | |
| 653 | if is_strong { | |
| 654 | top_strength = 2; | |
| 655 | } else if test_bit!(cur_dbk, bpos - 4) { | |
| 656 | top_strength = 1; | |
| 657 | } else { | |
| 658 | top_strength = 0; | |
| 659 | } | |
| 660 | } else if row > 0 { | |
| 661 | if top_is_strong { | |
| 662 | top_strength = 2; | |
| 663 | } else if test_bit!(mbinfo[mb_pos - mb_w].deblock, bpos + 12) { | |
| 664 | top_strength = 1; | |
| 665 | } else { | |
| 666 | top_strength = 0; | |
| 667 | } | |
| 668 | } else { | |
| 669 | top_strength = 0; | |
| 670 | } | |
| 671 | ||
| 672 | let l_q = if x > 0 { q } else { left_q }; | |
| 673 | let top_q = if row > 0 { mbinfo[mb_pos - mb_w].q as usize } else { 0 }; | |
| 674 | ||
| 675 | let lim_cur = RV40_FILTER_CLIP_TBL [cur_strength][q]; | |
| 676 | let lim_top = RV40_FILTER_CLIP_TBL [top_strength][top_q]; | |
| 677 | let lim_left = RV40_FILTER_CLIP_TBL[left_strength][l_q]; | |
| 678 | let lim_bottom = RV40_FILTER_CLIP_TBL [bot_strength][q]; | |
| 679 | ||
| 680 | let dmode = if y > 0 { x + y * 4 } else { x * 4 }; | |
| 681 | ||
| 682 | if filter_hor_down { | |
| 683 | rv40_loop_filter4_h(dst, yoff + 4 * stride[0] + x * 4, stride[0], | |
| 684 | dmode, lim_cur, lim_bottom, alpha, beta, beta_y, false, false); | |
| 685 | } | |
| 686 | if filter_ver && !ver_strong { | |
| 687 | rv40_loop_filter4_v(dst, yoff + x * 4, stride[0], | |
| 688 | dmode, lim_left, lim_cur, alpha, beta, beta_y, false, false); | |
| 689 | } | |
| 690 | if filter_hor_up { | |
| 691 | rv40_loop_filter4_h(dst, yoff + x * 4, stride[0], | |
| 692 | dmode, lim_top, lim_cur, alpha, beta, beta_y, false, true); | |
| 693 | } | |
| 694 | if filter_ver && ver_strong { | |
| 695 | rv40_loop_filter4_v(dst, yoff + x * 4, stride[0], | |
| 696 | dmode, lim_left, lim_cur, alpha, beta, beta_y, false, true); | |
| 697 | } | |
| 698 | } | |
| 699 | } | |
| 700 | ||
| 701 | for comp in 1..3 { | |
| 702 | for y in 0..2 { | |
| 703 | let coff = offs[comp] + mb_x * 8 + y * 4 * stride[comp]; | |
| 704 | for x in 0..2 { | |
| 705 | let bpos = x + y * 2 + (comp - 1) * 4; | |
| 706 | ||
| 707 | let filter_hor_down = (y != 1) && !is_strong; | |
| 708 | let filter_ver = (x > 0) || (mb_x > 0); | |
| 709 | let filter_hor_up = (row > 0) && (x == 0) && top_is_strong; | |
| 710 | let ver_strong = (x == 0) && (mb_x > 0) && left_is_strong; | |
| 711 | ||
| 712 | let cur_strength: usize; | |
| 713 | if is_strong { | |
| 714 | cur_strength = 2; | |
| 715 | } else if test_bit!(cur_cbp, bpos) { | |
| 716 | cur_strength = 1; | |
| 717 | } else { | |
| 718 | cur_strength = 0; | |
| 719 | } | |
| 720 | ||
| 721 | let left_strength: usize; | |
| 722 | if x > 0 { | |
| 723 | if is_strong { | |
| 724 | left_strength = 2; | |
| 725 | } else if test_bit!(cur_cbp, bpos - 1) { | |
| 726 | left_strength = 1; | |
| 727 | } else { | |
| 728 | left_strength = 0; | |
| 729 | } | |
| 730 | } else if mb_x > 0 { | |
| 731 | if left_is_strong { | |
| 732 | left_strength = 2; | |
| 733 | } else if test_bit!(mbinfo[mb_pos - 1].cbp_c, bpos + 1) { | |
| 734 | left_strength = 1; | |
| 735 | } else { | |
| 736 | left_strength = 0; | |
| 737 | } | |
| 738 | } else { | |
| 739 | left_strength = 0; | |
| 740 | } | |
| 741 | ||
| 742 | let bot_strength: usize; | |
| 743 | if y == 0 { | |
| 744 | if is_strong { | |
| 745 | bot_strength = 2; | |
| 746 | } else if test_bit!(cur_cbp, bpos + 2) { | |
| 747 | bot_strength = 1; | |
| 748 | } else { | |
| 749 | bot_strength = 0; | |
| 750 | } | |
| 751 | } else { | |
| 752 | bot_strength = 0; | |
| 753 | } | |
| 754 | ||
| 755 | let top_strength: usize; | |
| 756 | if y > 0 { | |
| 757 | if is_strong { | |
| 758 | top_strength = 2; | |
| 759 | } else if test_bit!(cur_cbp, bpos - 2) { | |
| 760 | top_strength = 1; | |
| 761 | } else { | |
| 762 | top_strength = 0; | |
| 763 | } | |
| 764 | } else if row > 0 { | |
| 765 | if top_is_strong { | |
| 766 | top_strength = 2; | |
| 767 | } else if test_bit!(mbinfo[mb_pos - mb_w].cbp_c, bpos + 2) { | |
| 768 | top_strength = 1; | |
| 769 | } else { | |
| 770 | top_strength = 0; | |
| 771 | } | |
| 772 | } else { | |
| 773 | top_strength = 0; | |
| 774 | } | |
| 775 | ||
| 776 | let l_q = if x > 0 { q } else { left_q }; | |
| 777 | let top_q = if row > 0 { mbinfo[mb_pos - mb_w].q as usize } else { 0 }; | |
| 778 | ||
| 779 | let lim_cur = RV40_FILTER_CLIP_TBL [cur_strength][q]; | |
| 780 | let lim_top = RV40_FILTER_CLIP_TBL [top_strength][top_q]; | |
| 781 | let lim_left = RV40_FILTER_CLIP_TBL[left_strength][l_q]; | |
| 782 | let lim_bottom = RV40_FILTER_CLIP_TBL [bot_strength][q]; | |
| 783 | ||
| 784 | if filter_hor_down { | |
| 785 | rv40_loop_filter4_h(dst, coff + 4 * stride[comp] + x * 4, stride[comp], | |
| 786 | x * 8, lim_cur, lim_bottom, alpha, beta, beta_c, true, false); | |
| 787 | } | |
| 788 | if filter_ver && !ver_strong { | |
| 789 | rv40_loop_filter4_v(dst, coff + x * 4, stride[comp], | |
| 790 | y * 8, lim_left, lim_cur, alpha, beta, beta_c, true, false); | |
| 791 | } | |
| 792 | if filter_hor_up { | |
| 793 | rv40_loop_filter4_h(dst, coff + x * 4, stride[comp], | |
| 794 | x * 8, lim_top, lim_cur, alpha, beta, beta_c, true, true); | |
| 795 | } | |
| 796 | if filter_ver && ver_strong { | |
| 797 | rv40_loop_filter4_v(dst, coff + x * 4, stride[comp], | |
| 798 | y * 8, lim_left, lim_cur, alpha, beta, beta_c, true, true); | |
| 799 | } | |
| 800 | } | |
| 801 | } | |
| 802 | } | |
| 803 | ||
| 804 | left_q = q; | |
| 805 | ||
| 806 | mb_pos += 1; | |
| 807 | } | |
| 808 | } | |
| 809 | fn do_luma_mc(&self, frame: &mut NAVideoBuffer<u8>, prev_frame: &NAVideoBuffer<u8>, x: usize, y: usize, mv: MV, use16: bool, avg: bool) { | |
| 810 | let size: usize = if use16 { 16 } else { 8 }; | |
| 811 | let dstride = frame.get_stride(0); | |
| 812 | let doffset = frame.get_offset(0) + (if !avg { x + y * dstride } else { 0 }); | |
| 813 | let mut data = frame.get_data_mut(); | |
| 814 | let dst: &mut [u8] = data.as_mut_slice(); | |
| 815 | ||
| 816 | let (w_, h_) = prev_frame.get_dimensions(0); | |
| 817 | let w = (w_ + 15) & !15; | |
| 818 | let h = (h_ + 15) & !15; | |
| 819 | ||
| 820 | let dx = mv.x >> 2; | |
| 821 | let cx = (mv.x & 3) as usize; | |
| 822 | let dy = mv.y >> 2; | |
| 823 | let cy = (mv.y & 3) as usize; | |
| 824 | let mode = cx + cy * 4; | |
| 825 | ||
| 826 | if check_pos(x, y, size, w, h, dx, dy, RV40_EDGE1[cx], RV40_EDGE2[cx], RV40_EDGE1[cy], RV40_EDGE2[cy]) { | |
| 827 | let sstride = prev_frame.get_stride(0); | |
| 828 | let mut soffset = prev_frame.get_offset(0) + x + y * sstride; | |
| 829 | let data = prev_frame.get_data(); | |
| 830 | let src: &[u8] = data.as_slice(); | |
| 831 | soffset = ((soffset as isize) + (dx as isize) + (dy as isize) * (sstride as isize)) as usize; | |
| 832 | self.luma_mc[if use16 { 0 } else { 1 }][mode](dst, doffset, dstride, src, soffset, sstride); | |
| 833 | } else { | |
| 834 | let mut ebuf: [u8; 32*22] = [0; 32*22]; | |
| 835 | 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); | |
| 836 | self.luma_mc[if use16 { 0 } else { 1 }][mode](dst, doffset, dstride, &ebuf, 32*2 + 2, 32); | |
| 837 | } | |
| 838 | } | |
| 839 | 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) { | |
| 840 | let size: usize = if use8 { 8 } else { 4 }; | |
| 841 | let dstride = frame.get_stride(comp); | |
| 842 | let doffset = frame.get_offset(comp) + (if !avg { x + y * dstride } else { 0 }); | |
| 843 | let mut data = frame.get_data_mut(); | |
| 844 | let dst: &mut [u8] = data.as_mut_slice(); | |
| 845 | ||
| 846 | let (w_, h_) = prev_frame.get_dimensions(comp); | |
| 847 | let w = (w_ + 7) & !7; | |
| 848 | let h = (h_ + 7) & !7; | |
| 849 | ||
| 850 | let mvx = mv.x / 2; | |
| 851 | let mvy = mv.y / 2; | |
| 852 | let dx = mvx >> 2; | |
| 853 | let mut cx = (mvx & 3) as usize; | |
| 854 | let dy = mvy >> 2; | |
| 855 | let mut cy = (mvy & 3) as usize; | |
| 856 | ||
| 857 | if (cx == 3) && (cy == 3) { | |
| 858 | cx = 2; | |
| 859 | cy = 2; | |
| 860 | } | |
| 861 | ||
| 862 | if check_pos(x, y, size, w, h, dx, dy, 0, 1, 0, 1) { | |
| 863 | let sstride = prev_frame.get_stride(comp); | |
| 864 | let mut soffset = prev_frame.get_offset(comp) + x + y * sstride; | |
| 865 | let data = prev_frame.get_data(); | |
| 866 | let src: &[u8] = data.as_slice(); | |
| 867 | soffset = ((soffset as isize) + (dx as isize) + (dy as isize) * (sstride as isize)) as usize; | |
| 868 | rv40_chroma_mc(dst, doffset, dstride, src, soffset, sstride, size, cx, cy); | |
| 869 | } else { | |
| 870 | let mut ebuf: [u8; 16*10] = [0; 16*10]; | |
| 871 | edge_emu(prev_frame, (x as isize) + (dx as isize), (y as isize) + (dy as isize), 8+1, 8+1, &mut ebuf, 16, comp); | |
| 872 | rv40_chroma_mc(dst, doffset, dstride, &ebuf, 0, 16, size, cx, cy); | |
| 873 | } | |
| 874 | } | |
| 875 | } |