X-Git-Url: https://git.nihav.org/?p=nihav.git;a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp6enc%2Fmb.rs;h=2d460f169b76ca8cdd00e4a6fe3a41ff24de725c;hp=c7e5003d372f68865d6d1c989184fcf56f43b785;hb=7cb65894212b51b13b8ac2e30f9a520627938a3e;hpb=9a110b6c529ceaeba58b3e7dd8f4c902df6a2083 diff --git a/nihav-duck/src/codecs/vp6enc/mb.rs b/nihav-duck/src/codecs/vp6enc/mb.rs index c7e5003..2d460f1 100644 --- a/nihav-duck/src/codecs/vp6enc/mb.rs +++ b/nihav-duck/src/codecs/vp6enc/mb.rs @@ -505,6 +505,152 @@ impl FrameEncoder { } } } + fn motion_est_mb(src_mb: &ResidueMB, cur_blk: &mut [[u8; 64]; 6], mb: &mut InterMB, mv_search: &mut Box, mv_est: &mut MVEstimator, mb_x: usize, mb_y: usize) { + src_mb.fill(cur_blk); + let (best_mv, _best_dist) = mv_search.search_mb(mv_est, &cur_blk, mb_x, mb_y); + mb.mv[3] = best_mv; + + for i in 0..4 { + mv_est.mc_block(i, 0, mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >> 1) * 8, best_mv); + sub_blk(&mut mb.residue.coeffs[i], &cur_blk[i], &mv_est.ref_blk[i]); + } + for plane in 1..3 { + mv_est.mc_block(plane + 3, plane, mb_x * 8, mb_y * 8, best_mv); + sub_blk(&mut mb.residue.coeffs[plane + 3], &cur_blk[plane + 3], &mv_est.ref_blk[plane + 3]); + } + + for (dblk, sblk) in mb.reference.iter_mut().zip(mv_est.ref_blk.iter()) { + for (dst, &src) in dblk.iter_mut().zip(sblk.iter()) { + *dst = i16::from(src); + } + } + } + pub fn select_inter_blocks_fast(&mut self, ref_frame: NAVideoBufferRef, gold_frame: Option>, mc_buf: NAVideoBufferRef, lambda: f32) { + let loop_thr = i16::from(VP56_FILTER_LIMITS[self.quant as usize]); + + if self.inter_mbs.is_empty() { + for _ in 0..self.mb_w * self.mb_h { + self.inter_mbs.push(InterMB::new()); + } + } + if self.golden_mbs.is_empty() { + for _ in 0..self.mb_w * self.mb_h { + self.golden_mbs.push(InterMB::new()); + } + } + + let mut cur_blk = [[0u8; 64]; 6]; + + let mut mv_est = MVEstimator::new(ref_frame.clone(), mc_buf.clone(), loop_thr, self.me_range); + let mut mv_est_g = if let Some(gold_frm) = gold_frame { + Some(MVEstimator::new(gold_frm, mc_buf.clone(), loop_thr, self.me_range)) + } else { + None + }; + + let mut mv_search = self.me_mode.create_search(); + + let mut tmp_mb = ResidueMB::new(); + + let mut mb_idx = 0; + for mb_y in 0..self.mb_h { + for mb_x in 0..self.mb_w { + let smb = &self.src_mbs[mb_idx]; + + let inter_mb = &mut self.inter_mbs[mb_idx]; + Self::motion_est_mb(smb, &mut cur_blk, inter_mb, &mut mv_search, &mut mv_est, mb_x, mb_y); + inter_mb.residue.fdct(); + inter_mb.residue.quant(self.quant); + self.mb_types[mb_idx] = VPMBType::InterMV; + + tmp_mb.dequant_from(&inter_mb.residue, self.quant); + tmp_mb.idct(); + for (blk, res) in tmp_mb.coeffs.iter_mut().zip(inter_mb.reference.iter()) { + for (coef, add) in blk.iter_mut().zip(res.iter()) { + *coef = (*coef + add).max(0).min(255); + } + } + let mut best_dist = calc_mb_dist(smb, &tmp_mb); + let mut inter_nits = estimate_inter_mb_nits(inter_mb, self.quant, false); + if inter_mb.mv[3] != ZERO_MV { + inter_nits += estimate_mv_nits(inter_mb.mv[3]); + } + let mut best_cost = (best_dist as f32) + lambda * (inter_nits as f32); + if best_dist > 512 { + self.estimate_fourmv(ref_frame.clone(), mc_buf.clone(), mb_idx % self.mb_w, mb_idx / self.mb_w); + self.fourmv_mbs[mb_idx].residue.fdct(); + self.fourmv_mbs[mb_idx].residue.quant(self.quant); + + let smb = &self.src_mbs[mb_idx]; + tmp_mb.dequant_from(&self.fourmv_mbs[mb_idx].residue, self.quant); + tmp_mb.idct(); + for (blk, res) in tmp_mb.coeffs.iter_mut().zip(self.fourmv_mbs[mb_idx].reference.iter()) { + for (coef, add) in blk.iter_mut().zip(res.iter()) { + *coef = (*coef + add).max(0).min(255); + } + } + let fourmv_dist = calc_mb_dist(smb, &tmp_mb); + let fourmv_nits = estimate_inter_mb_nits(&self.fourmv_mbs[mb_idx], self.quant, true); + let fourmv_cost = (fourmv_dist as f32) + lambda * (fourmv_nits as f32); + if fourmv_cost < best_cost { + self.mb_types[mb_idx] = VPMBType::InterFourMV; + best_cost = fourmv_cost; + best_dist = fourmv_dist; + } + } + let smb = &self.src_mbs[mb_idx]; + if best_dist > 512 { + if let Some(ref mut mve_gold) = mv_est_g { + let gold_mb = &mut self.golden_mbs[mb_idx]; + Self::motion_est_mb(smb, &mut cur_blk, gold_mb, &mut mv_search, mve_gold, mb_x, mb_y); + gold_mb.residue.fdct(); + gold_mb.residue.quant(self.quant); + + tmp_mb.dequant_from(&gold_mb.residue, self.quant); + tmp_mb.idct(); + for (blk, res) in tmp_mb.coeffs.iter_mut().zip(gold_mb.reference.iter()) { + for (coef, add) in blk.iter_mut().zip(res.iter()) { + *coef = (*coef + add).max(0).min(255); + } + } + let golden_dist = calc_mb_dist(smb, &tmp_mb); + let golden_nits = estimate_inter_mb_nits(gold_mb, self.quant, false); + let golden_cost = (golden_dist as f32) + lambda * (golden_nits as f32); + if golden_cost < best_cost { + self.mb_types[mb_idx] = VPMBType::GoldenMV; + best_cost = golden_cost; + best_dist = golden_dist; + } + } + } + if best_dist > 512 { + let intra_mb = &mut self.intra_mbs[mb_idx]; + *intra_mb = smb.clone(); + intra_mb.fdct(); + for blk in intra_mb.coeffs.iter_mut() { + blk[0] -= 4096; + } + intra_mb.quant(self.quant); + + tmp_mb.dequant_from(intra_mb, self.quant); + tmp_mb.idct(); + for blk in tmp_mb.coeffs.iter_mut() { + for coef in blk.iter_mut() { + *coef = (*coef + 128).max(0).min(255); + } + } + let intra_dist = calc_mb_dist(smb, &tmp_mb); + let intra_nits = estimate_intra_mb_nits(&intra_mb.coeffs, self.quant); + let intra_cost = (intra_dist as f32) + lambda * (intra_nits as f32); + if intra_cost < best_cost { + self.mb_types[mb_idx] = VPMBType::Intra; + } + } + + mb_idx += 1; + } + } + } pub fn decide_frame_type(&self) -> (bool, bool) { let mut intra_count = 0usize; let mut non_intra = 0usize;