1 use nihav_core::frame::*;
2 use nihav_codec_support::codecs::MV;
3 use super::{CurrentMBInfo, I4X4_SCAN};
5 use super::pic_ref::FrameRefs;
6 use super::slice::{SliceHeader, WeightInfo, DEF_WEIGHT_INFO};
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) {
15 } else if !sstate.has_top && !sstate.has_left {
17 } else if !sstate.has_left {
22 IPRED_FUNCS16X16[id](&mut frm.data[yoff..], frm.stride[0], &sstate.top_line_y[sstate.mb_x * 16..], &sstate.left_y);
25 let mut ictx = IPred8Context::new();
27 let x = (part & 1) * 2;
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();
38 } else if !has_top && !has_left {
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 {
50 &sstate.top_line_y[sstate.mb_x * 16 + x * 4..]
52 &frm.data[cur_yoff - frm.stride[0]..]
54 let mut left_buf = [0; 9];
55 let left = if x == 0 {
56 &sstate.left_y[y * 4..]
60 left_buf[0] = sstate.top_line_y[sstate.mb_x * 16 + x * 4 - 1];
62 left_buf[0] = frm.data[cur_yoff - 1 - frm.stride[0]];
66 for (dst, src) in left_buf[1..].iter_mut().zip(frm.data[cur_yoff - 1..].chunks(frm.stride[0])) {
72 ictx.fill(top, left, has_top, has_top && !noright, has_left, has_tl);
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);
81 for &(x,y) in I4X4_SCAN.iter() {
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();
91 } else if !has_top && !has_left {
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]]
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]]
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]]
115 let mut top = [128; 4];
116 let mut left = [128; 9];
119 top.copy_from_slice(&sstate.top_line_y[sstate.mb_x * 16 + x * 4..][..4]);
122 top.copy_from_slice(&frm.data[cur_yoff - frm.stride[0]..][..4]);
126 for (dst, &src) in left.iter_mut().zip(sstate.left_y[y * 4..].iter()) {
133 left[0] = sstate.left_y[y * 4];
135 left[0] = sstate.top_line_y[sstate.mb_x * 16 + x * 4 - 1];
138 left[0] = frm.data[cur_yoff - frm.stride[0] - 1];
140 for (dst, row) in left[1..].iter_mut().zip(frm.data[cur_yoff - 1..].chunks(frm.stride[0])) {
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]);
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 {
156 } else if !sstate.has_left {
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]);
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 {
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]);
177 yoff += frm.stride[0] * 4;
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);
186 yoff += frm.stride[0] * 8;
191 fn add_chroma(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) {
193 let mut off = frm.offset[chroma] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[chroma];
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]);
201 off += frm.stride[chroma] * 4;
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);
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);
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]
222 let wmode = match w {
228 (mc_dsp.put_block_weighted[wmode])(&mut frm.data[yoff..], frm.stride[0], &ytmp, h, yw);
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]
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);
243 mc_dsp.gray_block(frm, xpos, ypos, w, h);
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,
258 if let Some(buf) = ref_pic0 {
259 mc_dsp.do_mc(frm, buf, xpos, ypos, w, h, mv0);
261 mc_dsp.gray_block(frm, xpos, ypos, w, h);
265 if let Some(buf) = ref_pic1 {
266 mc_dsp.do_mc(frm, buf, xpos, ypos, w, h, mv1);
268 mc_dsp.gray_block(frm, xpos, ypos, w, h);
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);
277 (Some(buf0), None) => {
278 mc_dsp.do_mc(frm, buf0, xpos, ypos, w, h, mv0);
280 (None, Some(buf1)) => {
281 mc_dsp.do_mc(frm, buf1, xpos, ypos, w, h, mv1);
284 mc_dsp.gray_block(frm, xpos, ypos, w, h);
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);
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]
307 let wmode = match w {
313 (mc_dsp.put_block_weighted[wmode])(&mut frm.data[yoff..], frm.stride[0], &ytmp0, h, yw);
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]
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);
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);
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],
338 let wmode = match w {
344 (mc_dsp.put_block_weighted2[wmode])(&mut frm.data[yoff..], frm.stride[0], &ytmp0, &ytmp1, h, yw);
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],
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);
365 mc_dsp.gray_block(frm, xpos, ypos, w, h);
371 fn get_weights(slice_hdr: &SliceHeader, frame_refs: &FrameRefs, 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);
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);
391 let w1 = (scale >> 2) as i8;
394 let weight0 = WeightInfo {
399 chroma_weighted: true,
400 chroma_weight: [w0; 2],
401 chroma_offset: [0; 2],
404 let weight1 = WeightInfo {
409 chroma_weighted: true,
410 chroma_weight: [w1; 2],
411 chroma_offset: [0; 2],
417 (DEF_WEIGHT_INFO, DEF_WEIGHT_INFO)
421 pub fn recon_mb(frm: &mut NASimpleVideoFrame<u8>, slice_hdr: &SliceHeader, mb_info: &CurrentMBInfo, sstate: &mut SliceState, frame_refs: &FrameRefs, mc_dsp: &mut H264MC, weight_mode: u8) {
422 let xpos = sstate.mb_x * 16;
423 let ypos = sstate.mb_y * 16;
425 match mb_info.mb_type {
426 MBType::Intra16x16(_, _, _) => {
427 pred_intra(frm, sstate, mb_info);
429 MBType::Intra4x4 | MBType::Intra8x8 => {
430 pred_intra(frm, sstate, mb_info);
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);
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);
445 MBType::P16x8 | MBType::P8x16 => {
446 let (bw, bh, bx, by) = if mb_info.mb_type == MBType::P16x8 {
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);
460 MBType::P8x8 | MBType::P8x8Ref0 => {
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());
468 match mb_info.sub_mb_type[part] {
470 do_p_mc(frm, xpos + bx, ypos + by, 8, 8, mv, rpic, weight, mc_dsp);
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);
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);
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);
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);
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);
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);
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();
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);
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);
541 sstate.apply_to_blk8(|blk8| { blk8.ref_idx[0].set_direct(); blk8.ref_idx[1].set_direct(); });
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;
553 SubMBType::Direct8x8 => {
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);
567 sstate.get_cur_blk8(part).ref_idx[0].set_direct();
568 sstate.get_cur_blk8(part).ref_idx[1].set_direct();
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);
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);
584 SubMBType::B4x4(mode) => {
585 let (weight0, weight1) = get_weights(slice_hdr, frame_refs, mode, weight_mode, ridx[0], ridx[1]);
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);
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);
606 add_chroma(frm, sstate, mb_info);