| 1 | use super::clip_u8; |
| 2 | |
| 3 | const TMP_BUF_STRIDE: usize = 32; |
| 4 | |
| 5 | fn interp_block1(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool, avg0: bool) { |
| 6 | unsafe { |
| 7 | let step = if hor { 1 } else { sstride }; |
| 8 | let avgidx = if avg0 { step * 2 } else { step * 3 }; |
| 9 | let mut src = src.as_ptr(); |
| 10 | let mut dst = dst.as_mut_ptr(); |
| 11 | for _ in 0..h { |
| 12 | for _ in 0..w { |
| 13 | let t = clip_u8(( i16::from(*src) |
| 14 | - 5 * i16::from(*src.add(step)) |
| 15 | + 20 * i16::from(*src.add(step * 2)) |
| 16 | + 20 * i16::from(*src.add(step * 3)) |
| 17 | - 5 * i16::from(*src.add(step * 4)) |
| 18 | + i16::from(*src.add(step * 5)) |
| 19 | + 16) >> 5); |
| 20 | *dst = ((u16::from(t) + u16::from(*src.add(avgidx)) + 1) >> 1) as u8; |
| 21 | src = src.add(1); |
| 22 | dst = dst.add(1); |
| 23 | } |
| 24 | dst = dst.sub(w).add(dstride); |
| 25 | src = src.sub(w).add(sstride); |
| 26 | } |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | fn interp_block2(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize, hor: bool) { |
| 31 | unsafe { |
| 32 | let step = if hor { 1 } else { sstride }; |
| 33 | let mut pix = dst.as_mut_ptr(); |
| 34 | let mut src = src.as_ptr(); |
| 35 | for _ in 0..h { |
| 36 | for x in 0..w { |
| 37 | *pix.add(x) = clip_u8(( i16::from(*src) |
| 38 | - 5 * i16::from(*src.add(step)) |
| 39 | + 20 * i16::from(*src.add(step * 2)) |
| 40 | + 20 * i16::from(*src.add(step * 3)) |
| 41 | - 5 * i16::from(*src.add(step * 4)) |
| 42 | + i16::from(*src.add(step * 5)) |
| 43 | + 16) >> 5); |
| 44 | src = src.add(1); |
| 45 | } |
| 46 | pix = pix.add(dstride); |
| 47 | src = src.sub(w); |
| 48 | src = src.add(sstride); |
| 49 | } |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | fn mc_avg_tmp(dst: &mut [u8], dstride: usize, w: usize, h: usize, tmp: &[u8], tmp2: &[u8]) { |
| 54 | unsafe { |
| 55 | let mut src1 = tmp.as_ptr(); |
| 56 | let mut src2 = tmp2.as_ptr(); |
| 57 | let mut dst = dst.as_mut_ptr(); |
| 58 | for _ in 0..h { |
| 59 | for x in 0..w { |
| 60 | let a = *src1.add(x); |
| 61 | let b = *src2.add(x); |
| 62 | *dst.add(x) = ((u16::from(a) + u16::from(b) + 1) >> 1) as u8; |
| 63 | } |
| 64 | dst = dst.add(dstride); |
| 65 | src1 = src1.add(TMP_BUF_STRIDE); |
| 66 | src2 = src2.add(TMP_BUF_STRIDE); |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | fn h264_mc00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 72 | unsafe { |
| 73 | let mut src = src.as_ptr(); |
| 74 | let mut dst = dst.as_mut_ptr(); |
| 75 | for _ in 0..h { |
| 76 | std::ptr::copy_nonoverlapping(src, dst, w); |
| 77 | src = src.add(sstride); |
| 78 | dst = dst.add(dstride); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | fn h264_mc01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 84 | interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, true); |
| 85 | } |
| 86 | |
| 87 | fn h264_mc02(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 88 | interp_block2(dst, dstride, &src[sstride * 2..], sstride, w, h, true); |
| 89 | } |
| 90 | |
| 91 | fn h264_mc03(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 92 | interp_block1(dst, dstride, &src[sstride * 2..], sstride, w, h, true, false); |
| 93 | } |
| 94 | |
| 95 | fn h264_mc10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 96 | interp_block1(dst, dstride, &src[2..], sstride, w, h, false, true); |
| 97 | } |
| 98 | |
| 99 | fn h264_mc11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 100 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 101 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 102 | h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 103 | h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h); |
| 104 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 105 | } |
| 106 | |
| 107 | fn h264_mc12(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 108 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 109 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 110 | h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 111 | h264_mc22(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h); |
| 112 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 113 | } |
| 114 | |
| 115 | fn h264_mc13(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 116 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 117 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 118 | h264_mc02(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 119 | h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h); |
| 120 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 121 | } |
| 122 | |
| 123 | fn h264_mc20(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 124 | interp_block2(dst, dstride, &src[2..], sstride, w, h, false); |
| 125 | } |
| 126 | |
| 127 | fn h264_mc21(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 128 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 129 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 130 | h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 131 | h264_mc20(&mut tmp2, TMP_BUF_STRIDE, src, sstride, w, h); |
| 132 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 133 | } |
| 134 | |
| 135 | fn h264_mc22(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 136 | let mut tmp: [i32; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 137 | unsafe { |
| 138 | let mut src = src.as_ptr(); |
| 139 | let mut dst = tmp.as_mut_ptr(); |
| 140 | for _ in 0..h { |
| 141 | for _ in 0..w+5 { |
| 142 | *dst = i32::from(*src) |
| 143 | - 5 * i32::from(*src.add(sstride)) |
| 144 | + 20 * i32::from(*src.add(sstride * 2)) |
| 145 | + 20 * i32::from(*src.add(sstride * 3)) |
| 146 | - 5 * i32::from(*src.add(sstride * 4)) |
| 147 | + i32::from(*src.add(sstride * 5)); |
| 148 | dst = dst.add(1); |
| 149 | src = src.add(1); |
| 150 | } |
| 151 | src = src.sub(w+5).add(sstride); |
| 152 | dst = dst.sub(w+5).add(TMP_BUF_STRIDE); |
| 153 | } |
| 154 | } |
| 155 | unsafe { |
| 156 | let mut dst = dst.as_mut_ptr(); |
| 157 | let mut src = tmp.as_ptr(); |
| 158 | for _ in 0..h { |
| 159 | for _ in 0..w { |
| 160 | *dst = clip_u8(((*src - 5 * *src.add(1) + 20 * *src.add(2) + 20 * *src.add(3) - 5 * *src.add(4) + *src.add(5) + 512) >> 10) as i16); |
| 161 | dst = dst.add(1); |
| 162 | src = src.add(1); |
| 163 | } |
| 164 | dst = dst.sub(w).add(dstride); |
| 165 | src = src.sub(w).add(TMP_BUF_STRIDE); |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | fn h264_mc23(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 171 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 172 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 173 | h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 174 | h264_mc20(&mut tmp2, TMP_BUF_STRIDE, &src[1..], sstride, w, h); |
| 175 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 176 | } |
| 177 | |
| 178 | fn h264_mc30(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 179 | interp_block1(dst, dstride, &src[2..], sstride, w, h, false, false); |
| 180 | } |
| 181 | |
| 182 | fn h264_mc31(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 183 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 184 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 185 | h264_mc20(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 186 | h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h); |
| 187 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 188 | } |
| 189 | |
| 190 | fn h264_mc32(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 191 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 192 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 193 | h264_mc22(&mut tmp, TMP_BUF_STRIDE, src, sstride, w, h); |
| 194 | h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h); |
| 195 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 196 | } |
| 197 | |
| 198 | fn h264_mc33(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, w: usize, h: usize) { |
| 199 | let mut tmp : [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 200 | let mut tmp2: [u8; TMP_BUF_STRIDE * 16] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; |
| 201 | h264_mc20(&mut tmp, TMP_BUF_STRIDE, &src[1..], sstride, w, h); |
| 202 | h264_mc02(&mut tmp2, TMP_BUF_STRIDE, &src[sstride..], sstride, w, h); |
| 203 | mc_avg_tmp(dst, dstride, w, h, &tmp, &tmp2); |
| 204 | } |
| 205 | |
| 206 | |
| 207 | pub fn chroma_interp(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, dx: u16, dy: u16, w: usize, h: usize) { |
| 208 | let a0 = 8 - dx; |
| 209 | let a1 = dx; |
| 210 | let b0 = 8 - dy; |
| 211 | let b1 = dy; |
| 212 | |
| 213 | if a0 == 8 && b0 == 8 { |
| 214 | unsafe { |
| 215 | let mut src = src.as_ptr(); |
| 216 | let mut dst = dst.as_mut_ptr(); |
| 217 | for _ in 0..h { |
| 218 | std::ptr::copy_nonoverlapping(src, dst, w); |
| 219 | src = src.add(sstride); |
| 220 | dst = dst.add(dstride); |
| 221 | } |
| 222 | } |
| 223 | } else if a0 == 8 { |
| 224 | unsafe { |
| 225 | let mut src0 = src.as_ptr(); |
| 226 | let mut src1 = src0.add(sstride); |
| 227 | let mut dst = dst.as_mut_ptr(); |
| 228 | for _ in 0..h { |
| 229 | for x in 0..w { |
| 230 | let a = *src0.add(x); |
| 231 | let b = *src1.add(x); |
| 232 | *dst.add(x) = ((u16::from(a) * b0 + u16::from(b) * b1 + 4) >> 3) as u8; |
| 233 | } |
| 234 | src0 = src0.add(sstride); |
| 235 | src1 = src1.add(sstride); |
| 236 | dst = dst.add(dstride); |
| 237 | } |
| 238 | } |
| 239 | } else if b0 == 8 { |
| 240 | unsafe { |
| 241 | let mut src = src.as_ptr(); |
| 242 | let mut dst = dst.as_mut_ptr(); |
| 243 | for _ in 0..h { |
| 244 | let mut a = *src; |
| 245 | for x in 0..w { |
| 246 | let b = *src.add(x + 1); |
| 247 | *dst.add(x) = ((u16::from(a) * a0 + u16::from(b) * a1 + 4) >> 3) as u8; |
| 248 | a = b; |
| 249 | } |
| 250 | src = src.add(sstride); |
| 251 | dst = dst.add(dstride); |
| 252 | } |
| 253 | } |
| 254 | } else { |
| 255 | unsafe { |
| 256 | let mut src0 = src.as_ptr(); |
| 257 | let mut src1 = src0.add(sstride); |
| 258 | let mut dst = dst.as_mut_ptr(); |
| 259 | for _ in 0..h { |
| 260 | let mut a = *src0; |
| 261 | let mut c = *src1; |
| 262 | for x in 0..w { |
| 263 | let b = *src0.add(x + 1); |
| 264 | let d = *src1.add(x + 1); |
| 265 | *dst.add(x) = ((u16::from(a) * a0 * b0 + u16::from(b) * a1 * b0 + u16::from(c) * a0 * b1 + u16::from(d) * a1 * b1 + 0x20) >> 6) as u8; |
| 266 | a = b; |
| 267 | c = d; |
| 268 | } |
| 269 | src0 = src0.add(sstride); |
| 270 | src1 = src1.add(sstride); |
| 271 | dst = dst.add(dstride); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | macro_rules! luma_mc { |
| 278 | ($orig:ident, $func4:ident, $func8:ident, $func16:ident) => { |
| 279 | fn $func4(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, h: usize) { |
| 280 | $orig(dst, dstride, src, sstride, 4, h); |
| 281 | } |
| 282 | fn $func8(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, h: usize) { |
| 283 | $orig(dst, dstride, src, sstride, 8, h); |
| 284 | } |
| 285 | fn $func16(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, h: usize) { |
| 286 | $orig(dst, dstride, src, sstride, 16, h); |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | luma_mc!(h264_mc00, h264_mc00_4, h264_mc00_8, h264_mc00_16); |
| 292 | luma_mc!(h264_mc01, h264_mc01_4, h264_mc01_8, h264_mc01_16); |
| 293 | luma_mc!(h264_mc02, h264_mc02_4, h264_mc02_8, h264_mc02_16); |
| 294 | luma_mc!(h264_mc03, h264_mc03_4, h264_mc03_8, h264_mc03_16); |
| 295 | luma_mc!(h264_mc10, h264_mc10_4, h264_mc10_8, h264_mc10_16); |
| 296 | luma_mc!(h264_mc11, h264_mc11_4, h264_mc11_8, h264_mc11_16); |
| 297 | luma_mc!(h264_mc12, h264_mc12_4, h264_mc12_8, h264_mc12_16); |
| 298 | luma_mc!(h264_mc13, h264_mc13_4, h264_mc13_8, h264_mc13_16); |
| 299 | luma_mc!(h264_mc20, h264_mc20_4, h264_mc20_8, h264_mc20_16); |
| 300 | luma_mc!(h264_mc21, h264_mc21_4, h264_mc21_8, h264_mc21_16); |
| 301 | luma_mc!(h264_mc22, h264_mc22_4, h264_mc22_8, h264_mc22_16); |
| 302 | luma_mc!(h264_mc23, h264_mc23_4, h264_mc23_8, h264_mc23_16); |
| 303 | luma_mc!(h264_mc30, h264_mc30_4, h264_mc30_8, h264_mc30_16); |
| 304 | luma_mc!(h264_mc31, h264_mc31_4, h264_mc31_8, h264_mc31_16); |
| 305 | luma_mc!(h264_mc32, h264_mc32_4, h264_mc32_8, h264_mc32_16); |
| 306 | luma_mc!(h264_mc33, h264_mc33_4, h264_mc33_8, h264_mc33_16); |
| 307 | |
| 308 | pub const H264_LUMA_INTERP: &[[super::MCFunc; 16]; 3] = &[ |
| 309 | [ |
| 310 | h264_mc00_4, h264_mc01_4, h264_mc02_4, h264_mc03_4, |
| 311 | h264_mc10_4, h264_mc11_4, h264_mc12_4, h264_mc13_4, |
| 312 | h264_mc20_4, h264_mc21_4, h264_mc22_4, h264_mc23_4, |
| 313 | h264_mc30_4, h264_mc31_4, h264_mc32_4, h264_mc33_4 |
| 314 | ], [ |
| 315 | h264_mc00_8, h264_mc01_8, h264_mc02_8, h264_mc03_8, |
| 316 | h264_mc10_8, h264_mc11_8, h264_mc12_8, h264_mc13_8, |
| 317 | h264_mc20_8, h264_mc21_8, h264_mc22_8, h264_mc23_8, |
| 318 | h264_mc30_8, h264_mc31_8, h264_mc32_8, h264_mc33_8 |
| 319 | ], [ |
| 320 | h264_mc00_16, h264_mc01_16, h264_mc02_16, h264_mc03_16, |
| 321 | h264_mc10_16, h264_mc11_16, h264_mc12_16, h264_mc13_16, |
| 322 | h264_mc20_16, h264_mc21_16, h264_mc22_16, h264_mc23_16, |
| 323 | h264_mc30_16, h264_mc31_16, h264_mc32_16, h264_mc33_16 |
| 324 | ] |
| 325 | ]; |