| 1 | use nihav_core::frame::*; |
| 2 | use nihav_codec_support::codecs::MV; |
| 3 | use super::{CurrentMBInfo, I4X4_SCAN}; |
| 4 | use super::dsp::*; |
| 5 | use super::pic_ref::SliceRefs; |
| 6 | use super::slice::{SliceHeader, WeightInfo, DEF_WEIGHT_INFO}; |
| 7 | use super::types::*; |
| 8 | |
| 9 | fn pred_intra(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) { |
| 10 | let yoff = frm.offset[0] + sstate.mb_x * 16 + sstate.mb_y * 16 * frm.stride[0]; |
| 11 | match mb_info.mb_type { |
| 12 | MBType::Intra16x16(imode, _, _) => { |
| 13 | let id = if imode != 2 || (sstate.has_top && sstate.has_left) { |
| 14 | imode as usize |
| 15 | } else if !sstate.has_top && !sstate.has_left { |
| 16 | IPRED8_DC128 |
| 17 | } else if !sstate.has_left { |
| 18 | IPRED8_DC_TOP |
| 19 | } else { |
| 20 | IPRED8_DC_LEFT |
| 21 | }; |
| 22 | IPRED_FUNCS16X16[id](&mut frm.data[yoff..], frm.stride[0], &sstate.top_line_y[sstate.mb_x * 16..], &sstate.left_y); |
| 23 | }, |
| 24 | MBType::Intra8x8 => { |
| 25 | let mut ictx = IPred8Context::new(); |
| 26 | for part in 0..4 { |
| 27 | let x = (part & 1) * 2; |
| 28 | let y = part & 2; |
| 29 | let blk4 = x + y * 4; |
| 30 | |
| 31 | let cur_yoff = yoff + x * 4 + y * 4 * frm.stride[0]; |
| 32 | let has_top = y > 0 || sstate.has_top; |
| 33 | let has_left = x > 0 || sstate.has_left; |
| 34 | let imode = mb_info.ipred[blk4]; |
| 35 | let id = if imode != IntraPredMode::DC || (has_top && has_left) { |
| 36 | let im_id: u8 = imode.into(); |
| 37 | im_id as usize |
| 38 | } else if !has_top && !has_left { |
| 39 | IPRED4_DC128 |
| 40 | } else if !has_left { |
| 41 | IPRED4_DC_TOP |
| 42 | } else { |
| 43 | IPRED4_DC_LEFT |
| 44 | }; |
| 45 | let mb_idx = sstate.mb_x + sstate.mb_y * sstate.mb_w; |
| 46 | let noright = (y == 2 || sstate.mb_x == sstate.mb_w - 1 || mb_idx < sstate.mb_start + sstate.mb_w) && (x == 2); |
| 47 | let has_tl = (has_top && x > 0) || (has_left && y > 0) || (x == 0 && y == 0 && sstate.mb_x > 0 && mb_idx > sstate.mb_start + sstate.mb_w); |
| 48 | if id != IPRED4_DC128 { |
| 49 | let top = if y == 0 { |
| 50 | &sstate.top_line_y[sstate.mb_x * 16 + x * 4..] |
| 51 | } else { |
| 52 | &frm.data[cur_yoff - frm.stride[0]..] |
| 53 | }; |
| 54 | let mut left_buf = [0; 9]; |
| 55 | let left = if x == 0 { |
| 56 | &sstate.left_y[y * 4..] |
| 57 | } else { |
| 58 | if has_tl { |
| 59 | if y == 0 { |
| 60 | left_buf[0] = sstate.top_line_y[sstate.mb_x * 16 + x * 4 - 1]; |
| 61 | } else { |
| 62 | left_buf[0] = frm.data[cur_yoff - 1 - frm.stride[0]]; |
| 63 | } |
| 64 | } |
| 65 | if has_left { |
| 66 | for (dst, src) in left_buf[1..].iter_mut().zip(frm.data[cur_yoff - 1..].chunks(frm.stride[0])) { |
| 67 | *dst = src[0]; |
| 68 | } |
| 69 | } |
| 70 | &left_buf |
| 71 | }; |
| 72 | ictx.fill(top, left, has_top, has_top && !noright, has_left, has_tl); |
| 73 | } |
| 74 | IPRED_FUNCS8X8_LUMA[id](&mut frm.data[cur_yoff..], frm.stride[0], &ictx); |
| 75 | if mb_info.coded[blk4] { |
| 76 | add_coeffs8(frm.data, cur_yoff, frm.stride[0], &mb_info.coeffs8x8[part].coeffs); |
| 77 | } |
| 78 | } |
| 79 | }, |
| 80 | MBType::Intra4x4 => { |
| 81 | for &(x,y) in I4X4_SCAN.iter() { |
| 82 | let x = x as usize; |
| 83 | let y = y as usize; |
| 84 | let cur_yoff = yoff + x * 4 + y * 4 * frm.stride[0]; |
| 85 | let has_top = y > 0 || sstate.has_top; |
| 86 | let has_left = x > 0 || sstate.has_left; |
| 87 | let imode = mb_info.ipred[x + y * 4]; |
| 88 | let id = if imode != IntraPredMode::DC || (has_top && has_left) { |
| 89 | let im_id: u8 = imode.into(); |
| 90 | im_id as usize |
| 91 | } else if !has_top && !has_left { |
| 92 | IPRED4_DC128 |
| 93 | } else if !has_left { |
| 94 | IPRED4_DC_TOP |
| 95 | } else { |
| 96 | IPRED4_DC_LEFT |
| 97 | }; |
| 98 | let noright = (sstate.mb_x == sstate.mb_w - 1 || sstate.mb_x + sstate.mb_y * sstate.mb_w < sstate.mb_start + sstate.mb_w) && (x == 3); |
| 99 | let tr: [u8; 4] = if y == 0 { |
| 100 | let tsrc = &sstate.top_line_y[sstate.mb_x * 16 + x * 4..]; |
| 101 | if has_top && !noright { |
| 102 | [tsrc[4], tsrc[5], tsrc[6], tsrc[7]] |
| 103 | } else if has_top { |
| 104 | [tsrc[3]; 4] |
| 105 | } else { |
| 106 | [0; 4] |
| 107 | } |
| 108 | } else if (x & 1) == 0 || (x == 1 && y == 2) { |
| 109 | let i = cur_yoff - frm.stride[0]; |
| 110 | [frm.data[i + 4], frm.data[i + 5], frm.data[i + 6], frm.data[i + 7]] |
| 111 | } else { |
| 112 | let i = cur_yoff - frm.stride[0]; |
| 113 | [frm.data[i + 3], frm.data[i + 3], frm.data[i + 3], frm.data[i + 3]] |
| 114 | }; |
| 115 | let mut top = [128; 4]; |
| 116 | let mut left = [128; 9]; |
| 117 | if y == 0 { |
| 118 | if has_top { |
| 119 | top.copy_from_slice(&sstate.top_line_y[sstate.mb_x * 16 + x * 4..][..4]); |
| 120 | } |
| 121 | } else { |
| 122 | top.copy_from_slice(&frm.data[cur_yoff - frm.stride[0]..][..4]); |
| 123 | } |
| 124 | if x == 0 { |
| 125 | if has_left { |
| 126 | for (dst, &src) in left.iter_mut().zip(sstate.left_y[y * 4..].iter()) { |
| 127 | *dst = src; |
| 128 | } |
| 129 | } |
| 130 | } else { |
| 131 | if y == 0 { |
| 132 | if x == 0 { |
| 133 | left[0] = sstate.left_y[y * 4]; |
| 134 | } else if has_top { |
| 135 | left[0] = sstate.top_line_y[sstate.mb_x * 16 + x * 4 - 1]; |
| 136 | } |
| 137 | } else { |
| 138 | left[0] = frm.data[cur_yoff - frm.stride[0] - 1]; |
| 139 | } |
| 140 | for (dst, row) in left[1..].iter_mut().zip(frm.data[cur_yoff - 1..].chunks(frm.stride[0])) { |
| 141 | *dst = row[0]; |
| 142 | } |
| 143 | } |
| 144 | IPRED_FUNCS4X4[id](&mut frm.data[cur_yoff..], frm.stride[0], &top, &left, &tr); |
| 145 | if mb_info.coded[x + y * 4] { |
| 146 | add_coeffs(frm.data, cur_yoff, frm.stride[0], &mb_info.coeffs[x + y * 4]); |
| 147 | } |
| 148 | } |
| 149 | }, |
| 150 | _ => unreachable!(), |
| 151 | }; |
| 152 | let id = if mb_info.chroma_ipred != 0 || (sstate.has_top && sstate.has_left) { |
| 153 | mb_info.chroma_ipred as usize |
| 154 | } else if !sstate.has_top && !sstate.has_left { |
| 155 | IPRED8_DC128 |
| 156 | } else if !sstate.has_left { |
| 157 | IPRED8_DC_TOP |
| 158 | } else { |
| 159 | IPRED8_DC_LEFT |
| 160 | }; |
| 161 | for chroma in 1..3 { |
| 162 | let off = frm.offset[chroma] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[chroma]; |
| 163 | let top = &sstate.top_line_c[chroma - 1][sstate.mb_x * 8..]; |
| 164 | IPRED_FUNCS8X8_CHROMA[id](&mut frm.data[off..], frm.stride[chroma], top, &sstate.left_c[chroma - 1]); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | fn add_luma(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) { |
| 169 | let mut yoff = frm.offset[0] + sstate.mb_x * 16 + sstate.mb_y * 16 * frm.stride[0]; |
| 170 | if !mb_info.transform_size_8x8 { |
| 171 | for y in 0..4 { |
| 172 | for x in 0..4 { |
| 173 | if mb_info.coded[x + y * 4] { |
| 174 | add_coeffs(frm.data, yoff + x * 4, frm.stride[0], &mb_info.coeffs[x + y * 4]); |
| 175 | } |
| 176 | } |
| 177 | yoff += frm.stride[0] * 4; |
| 178 | } |
| 179 | } else { |
| 180 | for y in 0..2 { |
| 181 | for x in 0..2 { |
| 182 | if mb_info.coded[x * 2 + y * 2 * 4] { |
| 183 | add_coeffs8(frm.data, yoff + x * 8, frm.stride[0], &mb_info.coeffs8x8[x + y * 2].coeffs); |
| 184 | } |
| 185 | } |
| 186 | yoff += frm.stride[0] * 8; |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | fn add_chroma(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) { |
| 192 | for chroma in 1..3 { |
| 193 | let mut off = frm.offset[chroma] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[chroma]; |
| 194 | for y in 0..2 { |
| 195 | for x in 0..2 { |
| 196 | let blk_no = 16 + (chroma - 1) * 4 + x + y * 2; |
| 197 | if mb_info.coded[blk_no] || mb_info.coeffs[blk_no][0] != 0 { |
| 198 | add_coeffs(frm.data, off + x * 4, frm.stride[chroma], &mb_info.coeffs[blk_no]); |
| 199 | } |
| 200 | } |
| 201 | off += frm.stride[chroma] * 4; |
| 202 | } |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | fn do_p_mc(frm: &mut NASimpleVideoFrame<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV, ref_pic: Option<NAVideoBufferRef<u8>>, weight: &WeightInfo, mc_dsp: &mut H264MC) { |
| 207 | if let Some(buf) = ref_pic { |
| 208 | if !weight.is_weighted() { |
| 209 | mc_dsp.do_mc(frm, buf, xpos, ypos, w, h, mv); |
| 210 | } else { |
| 211 | let mut ytmp = [0; 16 * 16]; |
| 212 | let mut utmp = [0; 16 * 16]; |
| 213 | let mut vtmp = [0; 16 * 16]; |
| 214 | mc_dsp.mc_blocks(&mut ytmp, &mut utmp, &mut vtmp, buf, xpos, ypos, w, h, mv); |
| 215 | |
| 216 | let yoff = frm.offset[0] + xpos + ypos * frm.stride[0]; |
| 217 | let yw = if weight.luma_weighted { |
| 218 | [weight.luma_weight, weight.luma_offset, weight.luma_shift as i8] |
| 219 | } else { |
| 220 | [1, 0, 0] |
| 221 | }; |
| 222 | let wmode = match w { |
| 223 | 2 => 0, |
| 224 | 4 => 1, |
| 225 | 8 => 2, |
| 226 | _ => 3, |
| 227 | }; |
| 228 | (mc_dsp.put_block_weighted[wmode])(&mut frm.data[yoff..], frm.stride[0], &ytmp, h, yw); |
| 229 | |
| 230 | for chroma in 0..2 { |
| 231 | let cstride = frm.stride[chroma + 1]; |
| 232 | let coff = frm.offset[chroma + 1] + xpos / 2 + ypos / 2 * cstride; |
| 233 | let cw = if weight.chroma_weighted { |
| 234 | [weight.chroma_weight[chroma], weight.chroma_offset[chroma], weight.chroma_shift as i8] |
| 235 | } else { |
| 236 | [1, 0, 0] |
| 237 | }; |
| 238 | let csrc = if chroma == 0 { &utmp } else { &vtmp }; |
| 239 | (mc_dsp.put_block_weighted[wmode - 1])(&mut frm.data[coff..], cstride, csrc, h / 2, cw); |
| 240 | } |
| 241 | } |
| 242 | } else { |
| 243 | mc_dsp.gray_block(frm, xpos, ypos, w, h); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | #[allow(clippy::match_like_matches_macro)] |
| 248 | fn do_b_mc(frm: &mut NASimpleVideoFrame<u8>, mode: BMode, xpos: usize, ypos: usize, w: usize, h: usize, mv0: MV, ref_pic0: Option<NAVideoBufferRef<u8>>, weight0: &WeightInfo, mv1: MV, ref_pic1: Option<NAVideoBufferRef<u8>>, weight1: &WeightInfo, mc_dsp: &mut H264MC) { |
| 249 | let do_weight = match (mode, weight0.is_weighted(), weight1.is_weighted()) { |
| 250 | (BMode::L0, true, _) => true, |
| 251 | (BMode::L1, _, true) => true, |
| 252 | (BMode::Bi, true, true) => true, |
| 253 | _ => false, |
| 254 | }; |
| 255 | if !do_weight { |
| 256 | match mode { |
| 257 | BMode::L0 => { |
| 258 | if let Some(buf) = ref_pic0 { |
| 259 | mc_dsp.do_mc(frm, buf, xpos, ypos, w, h, mv0); |
| 260 | } else { |
| 261 | mc_dsp.gray_block(frm, xpos, ypos, w, h); |
| 262 | } |
| 263 | }, |
| 264 | BMode::L1 => { |
| 265 | if let Some(buf) = ref_pic1 { |
| 266 | mc_dsp.do_mc(frm, buf, xpos, ypos, w, h, mv1); |
| 267 | } else { |
| 268 | mc_dsp.gray_block(frm, xpos, ypos, w, h); |
| 269 | } |
| 270 | }, |
| 271 | BMode::Bi => { |
| 272 | match (ref_pic0, ref_pic1) { |
| 273 | (Some(buf0), Some(buf1)) => { |
| 274 | mc_dsp.do_mc(frm, buf0, xpos, ypos, w, h, mv0); |
| 275 | mc_dsp.do_mc_avg(frm, buf1, xpos, ypos, w, h, mv1); |
| 276 | }, |
| 277 | (Some(buf0), None) => { |
| 278 | mc_dsp.do_mc(frm, buf0, xpos, ypos, w, h, mv0); |
| 279 | }, |
| 280 | (None, Some(buf1)) => { |
| 281 | mc_dsp.do_mc(frm, buf1, xpos, ypos, w, h, mv1); |
| 282 | }, |
| 283 | (None, None) => { |
| 284 | mc_dsp.gray_block(frm, xpos, ypos, w, h); |
| 285 | }, |
| 286 | }; |
| 287 | }, |
| 288 | }; |
| 289 | } else { |
| 290 | let mut ytmp0 = [0x80; 16 * 16]; |
| 291 | let mut utmp0 = [0x80; 16 * 16]; |
| 292 | let mut vtmp0 = [0x80; 16 * 16]; |
| 293 | let mut ytmp1 = [0x80; 16 * 16]; |
| 294 | let mut utmp1 = [0x80; 16 * 16]; |
| 295 | let mut vtmp1 = [0x80; 16 * 16]; |
| 296 | match (mode, ref_pic0, ref_pic1) { |
| 297 | (BMode::L0, Some(buf), _) | (BMode::L1, _, Some(buf)) => { |
| 298 | let (mv, weight) = if mode == BMode::L0 { (mv0, weight0) } else { (mv1, weight1) }; |
| 299 | mc_dsp.mc_blocks(&mut ytmp0, &mut utmp0, &mut vtmp0, buf, xpos, ypos, w, h, mv); |
| 300 | |
| 301 | let yoff = frm.offset[0] + xpos + ypos * frm.stride[0]; |
| 302 | let yw = if weight.luma_weighted { |
| 303 | [weight.luma_weight, weight.luma_offset, weight.luma_shift as i8] |
| 304 | } else { |
| 305 | [1, 0, 0] |
| 306 | }; |
| 307 | let wmode = match w { |
| 308 | 2 => 0, |
| 309 | 4 => 1, |
| 310 | 8 => 2, |
| 311 | _ => 3, |
| 312 | }; |
| 313 | (mc_dsp.put_block_weighted[wmode])(&mut frm.data[yoff..], frm.stride[0], &ytmp0, h, yw); |
| 314 | |
| 315 | for chroma in 0..2 { |
| 316 | let cstride = frm.stride[chroma + 1]; |
| 317 | let coff = frm.offset[chroma + 1] + xpos / 2 + ypos / 2 * cstride; |
| 318 | let cw = if weight.chroma_weighted { |
| 319 | [weight.chroma_weight[chroma], weight.chroma_offset[chroma], weight.chroma_shift as i8] |
| 320 | } else { |
| 321 | [1, 0, 0] |
| 322 | }; |
| 323 | let csrc = if chroma == 0 { &utmp0 } else { &vtmp0 }; |
| 324 | (mc_dsp.put_block_weighted[wmode - 1])(&mut frm.data[coff..], cstride, csrc, h / 2, cw); |
| 325 | } |
| 326 | }, |
| 327 | (BMode::Bi, Some(buf0), Some(buf1)) => { // do both and avg |
| 328 | mc_dsp.mc_blocks(&mut ytmp0, &mut utmp0, &mut vtmp0, buf0, xpos, ypos, w, h, mv0); |
| 329 | mc_dsp.mc_blocks(&mut ytmp1, &mut utmp1, &mut vtmp1, buf1, xpos, ypos, w, h, mv1); |
| 330 | |
| 331 | let yoff = frm.offset[0] + xpos + ypos * frm.stride[0]; |
| 332 | let yw = match (weight0.luma_weighted, weight1.luma_weighted) { |
| 333 | (true, true) => [weight0.luma_weight, weight0.luma_offset, weight1.luma_weight, weight1.luma_offset, weight0.luma_shift as i8], |
| 334 | (true, false) => [weight0.luma_weight, weight0.luma_offset, 1 << weight0.luma_shift, 0, weight0.luma_shift as i8], |
| 335 | (false, true) => [1 << weight1.luma_shift, 0, weight1.luma_weight, weight1.luma_offset, weight1.luma_shift as i8], |
| 336 | (false, false) => [1, 0, 1, 0, 0], |
| 337 | }; |
| 338 | let wmode = match w { |
| 339 | 2 => 0, |
| 340 | 4 => 1, |
| 341 | 8 => 2, |
| 342 | _ => 3, |
| 343 | }; |
| 344 | (mc_dsp.put_block_weighted2[wmode])(&mut frm.data[yoff..], frm.stride[0], &ytmp0, &ytmp1, h, yw); |
| 345 | |
| 346 | for chroma in 0..2 { |
| 347 | let cstride = frm.stride[chroma + 1]; |
| 348 | let coff = frm.offset[chroma + 1] + xpos / 2 + ypos / 2 * cstride; |
| 349 | let cw0 = weight0.chroma_weight[chroma]; |
| 350 | let co0 = weight0.chroma_offset[chroma]; |
| 351 | let cw1 = weight1.chroma_weight[chroma]; |
| 352 | let co1 = weight1.chroma_offset[chroma]; |
| 353 | let cw = match (weight0.chroma_weighted, weight1.chroma_weighted) { |
| 354 | (true, true) => [cw0, co0, cw1, co1, weight0.luma_shift as i8], |
| 355 | (true, false) => [cw0, co0, 1 << weight0.luma_shift, 0, weight0.luma_shift as i8], |
| 356 | (false, true) => [1 << weight1.luma_shift, 0, cw1, co1, weight1.luma_shift as i8], |
| 357 | (false, false) => [1, 0, 1, 0, 0], |
| 358 | }; |
| 359 | let csrc0 = if chroma == 0 { &utmp0 } else { &vtmp0 }; |
| 360 | let csrc1 = if chroma == 0 { &utmp1 } else { &vtmp1 }; |
| 361 | (mc_dsp.put_block_weighted2[wmode - 1])(&mut frm.data[coff..], cstride, csrc0, csrc1, h / 2, cw); |
| 362 | } |
| 363 | }, |
| 364 | _ => { |
| 365 | mc_dsp.gray_block(frm, xpos, ypos, w, h); |
| 366 | }, |
| 367 | }; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | fn get_weights(slice_hdr: &SliceHeader, frame_refs: &SliceRefs, mode: BMode, weight_mode: u8, ref_l0: PicRef, ref_l1: PicRef) -> (WeightInfo, WeightInfo) { |
| 372 | let idx_l0 = ref_l0.index(); |
| 373 | let idx_l1 = ref_l1.index(); |
| 374 | if mode != BMode::Bi || weight_mode != 2 { |
| 375 | (slice_hdr.get_weight(0, idx_l0), slice_hdr.get_weight(1, idx_l1)) |
| 376 | } else if let (Some(Some(ref pic0)), Some(Some(ref pic1))) = (frame_refs.ref_list0.get(idx_l0), frame_refs.ref_list1.get(idx_l1)) { |
| 377 | let r0_poc = pic0.full_id as u16; |
| 378 | let r1_poc = pic1.full_id as u16; |
| 379 | let cur_id = frame_refs.cur_id as u16; |
| 380 | if (r0_poc == r1_poc) || pic0.long_term.is_some() || pic1.long_term.is_some() { |
| 381 | return (DEF_WEIGHT_INFO, DEF_WEIGHT_INFO); |
| 382 | } |
| 383 | |
| 384 | let td = (i32::from(r1_poc) - i32::from(r0_poc)).max(-128).min(127); |
| 385 | let tx = (16384 + (td / 2).abs()) / td; |
| 386 | let tb = (i32::from(cur_id) - i32::from(r0_poc)).max(-128).min(127); |
| 387 | let scale = ((tb * tx + 32) >> 6).max(-1024).min(1023); |
| 388 | if scale == 128 || (scale >> 2) < -64 || (scale >> 2) > 128 { |
| 389 | return (DEF_WEIGHT_INFO, DEF_WEIGHT_INFO); |
| 390 | } |
| 391 | let w1 = (scale >> 2) as i8; |
| 392 | let w0 = 64 - w1; |
| 393 | |
| 394 | let weight0 = WeightInfo { |
| 395 | luma_weighted: true, |
| 396 | luma_weight: w0, |
| 397 | luma_offset: 0, |
| 398 | luma_shift: 5, |
| 399 | chroma_weighted: true, |
| 400 | chroma_weight: [w0; 2], |
| 401 | chroma_offset: [0; 2], |
| 402 | chroma_shift: 5, |
| 403 | }; |
| 404 | let weight1 = WeightInfo { |
| 405 | luma_weighted: true, |
| 406 | luma_weight: w1, |
| 407 | luma_offset: 0, |
| 408 | luma_shift: 5, |
| 409 | chroma_weighted: true, |
| 410 | chroma_weight: [w1; 2], |
| 411 | chroma_offset: [0; 2], |
| 412 | chroma_shift: 5, |
| 413 | }; |
| 414 | |
| 415 | (weight0, weight1) |
| 416 | } else { |
| 417 | (DEF_WEIGHT_INFO, DEF_WEIGHT_INFO) |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | pub fn recon_mb(frm: &mut NASimpleVideoFrame<u8>, slice_hdr: &SliceHeader, mb_info: &CurrentMBInfo, sstate: &mut SliceState, frame_refs: &SliceRefs, mc_dsp: &mut H264MC, weight_mode: u8) { |
| 422 | let xpos = sstate.mb_x * 16; |
| 423 | let ypos = sstate.mb_y * 16; |
| 424 | |
| 425 | match mb_info.mb_type { |
| 426 | MBType::Intra16x16(_, _, _) => { |
| 427 | pred_intra(frm, sstate, mb_info); |
| 428 | }, |
| 429 | MBType::Intra4x4 | MBType::Intra8x8 => { |
| 430 | pred_intra(frm, sstate, mb_info); |
| 431 | }, |
| 432 | MBType::PCM => {}, |
| 433 | MBType::PSkip => { |
| 434 | let mv = sstate.get_cur_blk4(0).mv[0]; |
| 435 | let rpic = frame_refs.select_ref_pic(0, 0); |
| 436 | let weight = &slice_hdr.get_weight(0, 0); |
| 437 | do_p_mc(frm, xpos, ypos, 16, 16, mv, rpic, weight, mc_dsp); |
| 438 | }, |
| 439 | MBType::P16x16 => { |
| 440 | let mv = sstate.get_cur_blk4(0).mv[0]; |
| 441 | let rpic = frame_refs.select_ref_pic(0, mb_info.ref_l0[0].index()); |
| 442 | let weight = &slice_hdr.get_weight(0, mb_info.ref_l0[0].index()); |
| 443 | do_p_mc(frm, xpos, ypos, 16, 16, mv, rpic, weight, mc_dsp); |
| 444 | }, |
| 445 | MBType::P16x8 | MBType::P8x16 => { |
| 446 | let (bw, bh, bx, by) = if mb_info.mb_type == MBType::P16x8 { |
| 447 | (16, 8, 0, 8) |
| 448 | } else { |
| 449 | (8, 16, 8, 0) |
| 450 | }; |
| 451 | let mv = sstate.get_cur_blk4(0).mv[0]; |
| 452 | let rpic = frame_refs.select_ref_pic(0, mb_info.ref_l0[0].index()); |
| 453 | let weight = &slice_hdr.get_weight(0, mb_info.ref_l0[0].index()); |
| 454 | do_p_mc(frm, xpos, ypos, bw, bh, mv, rpic, weight, mc_dsp); |
| 455 | let mv = sstate.get_cur_blk4(bx / 4 + by).mv[0]; |
| 456 | let rpic = frame_refs.select_ref_pic(0, mb_info.ref_l0[1].index()); |
| 457 | let weight = &slice_hdr.get_weight(0, mb_info.ref_l0[1].index()); |
| 458 | do_p_mc(frm, xpos + bx, ypos + by, bw, bh, mv, rpic, weight, mc_dsp); |
| 459 | }, |
| 460 | MBType::P8x8 | MBType::P8x8Ref0 => { |
| 461 | for part in 0..4 { |
| 462 | let bx = (part & 1) * 8; |
| 463 | let by = (part & 2) * 4; |
| 464 | let mv = sstate.get_cur_blk4(bx / 4 + by).mv[0]; |
| 465 | let rpic = frame_refs.select_ref_pic(0, mb_info.ref_l0[part].index()); |
| 466 | let weight = &slice_hdr.get_weight(0, mb_info.ref_l0[part].index()); |
| 467 | |
| 468 | match mb_info.sub_mb_type[part] { |
| 469 | SubMBType::P8x8 => { |
| 470 | do_p_mc(frm, xpos + bx, ypos + by, 8, 8, mv, rpic, weight, mc_dsp); |
| 471 | }, |
| 472 | SubMBType::P8x4 => { |
| 473 | do_p_mc(frm, xpos + bx, ypos + by, 8, 4, mv, rpic.clone(), weight, mc_dsp); |
| 474 | let mv = sstate.get_cur_blk4(bx / 4 + by + 4).mv[0]; |
| 475 | do_p_mc(frm, xpos + bx, ypos + by + 4, 8, 4, mv, rpic, weight, mc_dsp); |
| 476 | }, |
| 477 | SubMBType::P4x8 => { |
| 478 | do_p_mc(frm, xpos + bx, ypos + by, 4, 8, mv, rpic.clone(), weight, mc_dsp); |
| 479 | let mv = sstate.get_cur_blk4(bx / 4 + by + 1).mv[0]; |
| 480 | do_p_mc(frm, xpos + bx + 4, ypos + by, 4, 8, mv, rpic, weight, mc_dsp); |
| 481 | }, |
| 482 | SubMBType::P4x4 => { |
| 483 | for sb_no in 0..4 { |
| 484 | let sxpos = xpos + bx + (sb_no & 1) * 4; |
| 485 | let sypos = ypos + by + (sb_no & 2) * 2; |
| 486 | let sblk_no = (bx / 4 + (sb_no & 1)) + ((by / 4) + (sb_no >> 1)) * 4; |
| 487 | let mv = sstate.get_cur_blk4(sblk_no).mv[0]; |
| 488 | do_p_mc(frm, sxpos, sypos, 4, 4, mv, rpic.clone(), weight, mc_dsp); |
| 489 | } |
| 490 | }, |
| 491 | _ => unreachable!(), |
| 492 | }; |
| 493 | } |
| 494 | }, |
| 495 | MBType::B16x16(mode) => { |
| 496 | let mv0 = sstate.get_cur_blk4(0).mv[0]; |
| 497 | let rpic0 = frame_refs.select_ref_pic(0, mb_info.ref_l0[0].index()); |
| 498 | let mv1 = sstate.get_cur_blk4(0).mv[1]; |
| 499 | let rpic1 = frame_refs.select_ref_pic(1, mb_info.ref_l1[0].index()); |
| 500 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, mode, weight_mode, mb_info.ref_l0[0], mb_info.ref_l1[0]); |
| 501 | do_b_mc(frm, mode, xpos, ypos, 16, 16, mv0, rpic0, &weight0, mv1, rpic1, &weight1, mc_dsp); |
| 502 | }, |
| 503 | MBType::B16x8(mode0, mode1) | MBType::B8x16(mode0, mode1) => { |
| 504 | let (pw, ph) = mb_info.mb_type.size(); |
| 505 | let (px, py) = (pw & 8, ph & 8); |
| 506 | let modes = [mode0, mode1]; |
| 507 | let (mut bx, mut by) = (0, 0); |
| 508 | for part in 0..2 { |
| 509 | let blk = if part == 0 { 0 } else { (px / 4) + py }; |
| 510 | let mv0 = sstate.get_cur_blk4(blk).mv[0]; |
| 511 | let rpic0 = frame_refs.select_ref_pic(0, mb_info.ref_l0[part].index()); |
| 512 | let mv1 = sstate.get_cur_blk4(blk).mv[1]; |
| 513 | let rpic1 = frame_refs.select_ref_pic(1, mb_info.ref_l1[part].index()); |
| 514 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, modes[part], weight_mode, mb_info.ref_l0[part], mb_info.ref_l1[part]); |
| 515 | do_b_mc(frm, modes[part], xpos + bx, ypos + by, pw, ph, mv0, rpic0, &weight0, mv1, rpic1, &weight1, mc_dsp); |
| 516 | bx += px; |
| 517 | by += py; |
| 518 | } |
| 519 | }, |
| 520 | MBType::Direct | MBType::BSkip => { |
| 521 | let colo_mb_type = frame_refs.get_colocated_info(sstate.mb_x, sstate.mb_y).0.mb_type; |
| 522 | let is_16x16 = colo_mb_type.is_16x16_ref(); |
| 523 | |
| 524 | if is_16x16 { |
| 525 | let mv = sstate.get_cur_blk4(0).mv; |
| 526 | let ref_idx = sstate.get_cur_blk8(0).ref_idx; |
| 527 | let rpic0 = frame_refs.select_ref_pic(0, ref_idx[0].index()); |
| 528 | let rpic1 = frame_refs.select_ref_pic(1, ref_idx[1].index()); |
| 529 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, BMode::Bi, weight_mode, ref_idx[0], ref_idx[1]); |
| 530 | do_b_mc(frm, BMode::Bi, xpos, ypos, 16, 16, mv[0], rpic0, &weight0, mv[1], rpic1, &weight1, mc_dsp); |
| 531 | } else { |
| 532 | for blk4 in 0..16 { |
| 533 | let mv = sstate.get_cur_blk4(blk4).mv; |
| 534 | let ref_idx = sstate.get_cur_blk8(blk4_to_blk8(blk4)).ref_idx; |
| 535 | let rpic0 = frame_refs.select_ref_pic(0, ref_idx[0].index()); |
| 536 | let rpic1 = frame_refs.select_ref_pic(1, ref_idx[1].index()); |
| 537 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, BMode::Bi, weight_mode, ref_idx[0], ref_idx[1]); |
| 538 | do_b_mc(frm, BMode::Bi, xpos + (blk4 & 3) * 4, ypos + (blk4 >> 2) * 4, 4, 4, mv[0], rpic0, &weight0, mv[1], rpic1, &weight1, mc_dsp); |
| 539 | } |
| 540 | } |
| 541 | sstate.apply_to_blk8(|blk8| { blk8.ref_idx[0].set_direct(); blk8.ref_idx[1].set_direct(); }); |
| 542 | }, |
| 543 | MBType::B8x8 => { |
| 544 | for part in 0..4 { |
| 545 | let ridx = sstate.get_cur_blk8(part).ref_idx; |
| 546 | let rpic0 = frame_refs.select_ref_pic(0, ridx[0].index()); |
| 547 | let rpic1 = frame_refs.select_ref_pic(1, ridx[1].index()); |
| 548 | let subtype = mb_info.sub_mb_type[part]; |
| 549 | let blk8 = (part & 1) * 2 + (part & 2) * 4; |
| 550 | let mut bx = (part & 1) * 8; |
| 551 | let mut by = (part & 2) * 4; |
| 552 | match subtype { |
| 553 | SubMBType::Direct8x8 => { |
| 554 | for blk in 0..4 { |
| 555 | let mv = sstate.get_cur_blk4(bx / 4 + (by / 4) * 4).mv; |
| 556 | let ref_idx = sstate.get_cur_blk8(bx / 8 + (by / 8) * 2).ref_idx; |
| 557 | let rpic0 = frame_refs.select_ref_pic(0, ref_idx[0].index()); |
| 558 | let rpic1 = frame_refs.select_ref_pic(1, ref_idx[1].index()); |
| 559 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, BMode::Bi, weight_mode, ref_idx[0], ref_idx[1]); |
| 560 | do_b_mc(frm, BMode::Bi, xpos + bx, ypos + by, 4, 4, mv[0], rpic0, &weight0, mv[1], rpic1, &weight1, mc_dsp); |
| 561 | bx += 4; |
| 562 | if blk == 1 { |
| 563 | bx -= 8; |
| 564 | by += 4; |
| 565 | } |
| 566 | } |
| 567 | sstate.get_cur_blk8(part).ref_idx[0].set_direct(); |
| 568 | sstate.get_cur_blk8(part).ref_idx[1].set_direct(); |
| 569 | }, |
| 570 | SubMBType::B8x8(mode) => { |
| 571 | let mv = sstate.get_cur_blk4(blk8).mv; |
| 572 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, mode, weight_mode, ridx[0], ridx[1]); |
| 573 | do_b_mc(frm, mode, xpos + bx, ypos + by, 8, 8, mv[0], rpic0, &weight0, mv[1], rpic1, &weight1, mc_dsp); |
| 574 | }, |
| 575 | SubMBType::B8x4(mode) | SubMBType::B4x8(mode) => { |
| 576 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, mode, weight_mode, ridx[0], ridx[1]); |
| 577 | let (pw, ph) = subtype.size(); |
| 578 | let mv = sstate.get_cur_blk4(blk8).mv; |
| 579 | do_b_mc(frm, mode, xpos + bx, ypos + by, pw, ph, mv[0], rpic0.clone(), &weight0, mv[1], rpic1.clone(), &weight1, mc_dsp); |
| 580 | let addr2 = blk8 + (pw & 4) / 4 + (ph & 4); |
| 581 | let mv = sstate.get_cur_blk4(addr2).mv; |
| 582 | do_b_mc(frm, mode, xpos + bx + (pw & 4), ypos + by + (ph & 4), pw, ph, mv[0], rpic0, &weight0, mv[1], rpic1, &weight1, mc_dsp); |
| 583 | }, |
| 584 | SubMBType::B4x4(mode) => { |
| 585 | let (weight0, weight1) = get_weights(slice_hdr, frame_refs, mode, weight_mode, ridx[0], ridx[1]); |
| 586 | for i in 0..4 { |
| 587 | let addr2 = blk8 + (i & 1) + (i & 2) * 2; |
| 588 | let mv = sstate.get_cur_blk4(addr2).mv; |
| 589 | do_b_mc(frm, mode, xpos + bx, ypos + by, 4, 4, mv[0], rpic0.clone(), &weight0, mv[1], rpic1.clone(), &weight1, mc_dsp); |
| 590 | bx += 4; |
| 591 | if i == 1 { |
| 592 | bx -= 8; |
| 593 | by += 4; |
| 594 | } |
| 595 | } |
| 596 | }, |
| 597 | _ => unreachable!(), |
| 598 | }; |
| 599 | } |
| 600 | }, |
| 601 | }; |
| 602 | if !mb_info.mb_type.is_skip() { |
| 603 | if mb_info.mb_type != MBType::Intra4x4 && mb_info.mb_type != MBType::Intra8x8 { |
| 604 | add_luma(frm, sstate, mb_info); |
| 605 | } |
| 606 | add_chroma(frm, sstate, mb_info); |
| 607 | } |
| 608 | } |