| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| |
| #include "./vp10_rtcd.h" |
| #include "./vpx_config.h" |
| #include "./vpx_dsp_rtcd.h" |
| |
| #include "vpx_dsp/quantize.h" |
| #include "vpx_mem/vpx_mem.h" |
| #include "vpx_ports/mem.h" |
| |
| #include "vp10/common/idct.h" |
| #include "vp10/common/reconinter.h" |
| #include "vp10/common/reconintra.h" |
| #include "vp10/common/scan.h" |
| |
| #include "vp10/encoder/encodemb.h" |
| #include "vp10/encoder/rd.h" |
| #include "vp10/encoder/tokenize.h" |
| |
| struct optimize_ctx { |
| ENTROPY_CONTEXT ta[MAX_MB_PLANE][16]; |
| ENTROPY_CONTEXT tl[MAX_MB_PLANE][16]; |
| }; |
| |
| void vp10_subtract_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) { |
| struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane]; |
| const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd); |
| const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; |
| const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| vpx_highbd_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, |
| p->src.stride, pd->dst.buf, pd->dst.stride, |
| x->e_mbd.bd); |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, |
| pd->dst.buf, pd->dst.stride); |
| } |
| |
| #define RDTRUNC(RM, DM, R, D) ((128 + (R) * (RM)) & 0xFF) |
| |
| typedef struct vp10_token_state { |
| int rate; |
| int error; |
| int next; |
| int16_t token; |
| tran_low_t qc; |
| } vp10_token_state; |
| |
| // TODO(jimbankoski): experiment to find optimal RD numbers. |
| static const int plane_rd_mult[PLANE_TYPES] = { 4, 2 }; |
| |
| #define UPDATE_RD_COST()\ |
| {\ |
| rd_cost0 = RDCOST(rdmult, rddiv, rate0, error0);\ |
| rd_cost1 = RDCOST(rdmult, rddiv, rate1, error1);\ |
| if (rd_cost0 == rd_cost1) {\ |
| rd_cost0 = RDTRUNC(rdmult, rddiv, rate0, error0);\ |
| rd_cost1 = RDTRUNC(rdmult, rddiv, rate1, error1);\ |
| }\ |
| } |
| |
| // This function is a place holder for now but may ultimately need |
| // to scan previous tokens to work out the correct context. |
| static int trellis_get_coeff_context(const int16_t *scan, |
| const int16_t *nb, |
| int idx, int token, |
| uint8_t *token_cache) { |
| int bak = token_cache[scan[idx]], pt; |
| token_cache[scan[idx]] = vp10_pt_energy_class[token]; |
| pt = get_coef_context(nb, token_cache, idx + 1); |
| token_cache[scan[idx]] = bak; |
| return pt; |
| } |
| |
| static int optimize_b(MACROBLOCK *mb, int plane, int block, |
| TX_SIZE tx_size, int ctx) { |
| MACROBLOCKD *const xd = &mb->e_mbd; |
| struct macroblock_plane *const p = &mb->plane[plane]; |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const int ref = is_inter_block(&xd->mi[0]->mbmi); |
| vp10_token_state tokens[1025][2]; |
| unsigned best_index[1025][2]; |
| uint8_t token_cache[1024]; |
| const tran_low_t *const coeff = BLOCK_OFFSET(mb->plane[plane].coeff, block); |
| tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); |
| tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| const int eob = p->eobs[block]; |
| const PLANE_TYPE type = pd->plane_type; |
| const int default_eob = 16 << (tx_size << 1); |
| const int mul = 1 + (tx_size == TX_32X32); |
| const int16_t *dequant_ptr = pd->dequant; |
| const uint8_t *const band_translate = get_band_translate(tx_size); |
| TX_TYPE tx_type = get_tx_type(type, xd, block); |
| const scan_order *const so = get_scan(tx_size, tx_type); |
| const int16_t *const scan = so->scan; |
| const int16_t *const nb = so->neighbors; |
| int next = eob, sz = 0; |
| int64_t rdmult = mb->rdmult * plane_rd_mult[type], rddiv = mb->rddiv; |
| int64_t rd_cost0, rd_cost1; |
| int rate0, rate1, error0, error1; |
| int16_t t0, t1; |
| EXTRABIT e0; |
| int best, band, pt, i, final_eob; |
| #if CONFIG_VP9_HIGHBITDEPTH |
| const int16_t *cat6_high_cost = vp10_get_high_cost_table(xd->bd); |
| #else |
| const int16_t *cat6_high_cost = vp10_get_high_cost_table(8); |
| #endif |
| |
| assert((!type && !plane) || (type && plane)); |
| assert(eob <= default_eob); |
| |
| /* Now set up a Viterbi trellis to evaluate alternative roundings. */ |
| if (!ref) |
| rdmult = (rdmult * 9) >> 4; |
| |
| /* Initialize the sentinel node of the trellis. */ |
| tokens[eob][0].rate = 0; |
| tokens[eob][0].error = 0; |
| tokens[eob][0].next = default_eob; |
| tokens[eob][0].token = EOB_TOKEN; |
| tokens[eob][0].qc = 0; |
| tokens[eob][1] = tokens[eob][0]; |
| |
| for (i = 0; i < eob; i++) |
| token_cache[scan[i]] = |
| vp10_pt_energy_class[vp10_get_token(qcoeff[scan[i]])]; |
| |
| for (i = eob; i-- > 0;) { |
| int base_bits, d2, dx; |
| const int rc = scan[i]; |
| int x = qcoeff[rc]; |
| /* Only add a trellis state for non-zero coefficients. */ |
| if (x) { |
| int shortcut = 0; |
| error0 = tokens[next][0].error; |
| error1 = tokens[next][1].error; |
| /* Evaluate the first possibility for this state. */ |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| vp10_get_token_extra(x, &t0, &e0); |
| /* Consider both possible successor states. */ |
| if (next < default_eob) { |
| band = band_translate[i + 1]; |
| pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache); |
| rate0 += mb->token_costs[tx_size][type][ref][band][0][pt] |
| [tokens[next][0].token]; |
| rate1 += mb->token_costs[tx_size][type][ref][band][0][pt] |
| [tokens[next][1].token]; |
| } |
| UPDATE_RD_COST(); |
| /* And pick the best. */ |
| best = rd_cost1 < rd_cost0; |
| base_bits = vp10_get_cost(t0, e0, cat6_high_cost); |
| dx = mul * (dqcoeff[rc] - coeff[rc]); |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx >>= xd->bd - 8; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| d2 = dx * dx; |
| tokens[i][0].rate = base_bits + (best ? rate1 : rate0); |
| tokens[i][0].error = d2 + (best ? error1 : error0); |
| tokens[i][0].next = next; |
| tokens[i][0].token = t0; |
| tokens[i][0].qc = x; |
| best_index[i][0] = best; |
| |
| /* Evaluate the second possibility for this state. */ |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| |
| if ((abs(x) * dequant_ptr[rc != 0] > abs(coeff[rc]) * mul) && |
| (abs(x) * dequant_ptr[rc != 0] < abs(coeff[rc]) * mul + |
| dequant_ptr[rc != 0])) |
| shortcut = 1; |
| else |
| shortcut = 0; |
| |
| if (shortcut) { |
| sz = -(x < 0); |
| x -= 2 * sz + 1; |
| } |
| |
| /* Consider both possible successor states. */ |
| if (!x) { |
| /* If we reduced this coefficient to zero, check to see if |
| * we need to move the EOB back here. |
| */ |
| t0 = tokens[next][0].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN; |
| t1 = tokens[next][1].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN; |
| e0 = 0; |
| } else { |
| vp10_get_token_extra(x, &t0, &e0); |
| t1 = t0; |
| } |
| if (next < default_eob) { |
| band = band_translate[i + 1]; |
| if (t0 != EOB_TOKEN) { |
| pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache); |
| rate0 += mb->token_costs[tx_size][type][ref][band][!x][pt] |
| [tokens[next][0].token]; |
| } |
| if (t1 != EOB_TOKEN) { |
| pt = trellis_get_coeff_context(scan, nb, i, t1, token_cache); |
| rate1 += mb->token_costs[tx_size][type][ref][band][!x][pt] |
| [tokens[next][1].token]; |
| } |
| } |
| |
| UPDATE_RD_COST(); |
| /* And pick the best. */ |
| best = rd_cost1 < rd_cost0; |
| base_bits = vp10_get_cost(t0, e0, cat6_high_cost); |
| |
| if (shortcut) { |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx -= ((dequant_ptr[rc != 0] >> (xd->bd - 8)) + sz) ^ sz; |
| } else { |
| dx -= (dequant_ptr[rc != 0] + sz) ^ sz; |
| } |
| #else |
| dx -= (dequant_ptr[rc != 0] + sz) ^ sz; |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| d2 = dx * dx; |
| } |
| tokens[i][1].rate = base_bits + (best ? rate1 : rate0); |
| tokens[i][1].error = d2 + (best ? error1 : error0); |
| tokens[i][1].next = next; |
| tokens[i][1].token = best ? t1 : t0; |
| tokens[i][1].qc = x; |
| best_index[i][1] = best; |
| /* Finally, make this the new head of the trellis. */ |
| next = i; |
| } else { |
| /* There's no choice to make for a zero coefficient, so we don't |
| * add a new trellis node, but we do need to update the costs. |
| */ |
| band = band_translate[i + 1]; |
| t0 = tokens[next][0].token; |
| t1 = tokens[next][1].token; |
| /* Update the cost of each path if we're past the EOB token. */ |
| if (t0 != EOB_TOKEN) { |
| tokens[next][0].rate += |
| mb->token_costs[tx_size][type][ref][band][1][0][t0]; |
| tokens[next][0].token = ZERO_TOKEN; |
| } |
| if (t1 != EOB_TOKEN) { |
| tokens[next][1].rate += |
| mb->token_costs[tx_size][type][ref][band][1][0][t1]; |
| tokens[next][1].token = ZERO_TOKEN; |
| } |
| best_index[i][0] = best_index[i][1] = 0; |
| /* Don't update next, because we didn't add a new node. */ |
| } |
| } |
| |
| /* Now pick the best path through the whole trellis. */ |
| band = band_translate[i + 1]; |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| error0 = tokens[next][0].error; |
| error1 = tokens[next][1].error; |
| t0 = tokens[next][0].token; |
| t1 = tokens[next][1].token; |
| rate0 += mb->token_costs[tx_size][type][ref][band][0][ctx][t0]; |
| rate1 += mb->token_costs[tx_size][type][ref][band][0][ctx][t1]; |
| UPDATE_RD_COST(); |
| best = rd_cost1 < rd_cost0; |
| final_eob = -1; |
| memset(qcoeff, 0, sizeof(*qcoeff) * (16 << (tx_size * 2))); |
| memset(dqcoeff, 0, sizeof(*dqcoeff) * (16 << (tx_size * 2))); |
| for (i = next; i < eob; i = next) { |
| const int x = tokens[i][best].qc; |
| const int rc = scan[i]; |
| if (x) { |
| final_eob = i; |
| } |
| |
| qcoeff[rc] = x; |
| dqcoeff[rc] = (x * dequant_ptr[rc != 0]) / mul; |
| |
| next = tokens[i][best].next; |
| best = best_index[i][best]; |
| } |
| final_eob++; |
| |
| mb->plane[plane].eobs[block] = final_eob; |
| return final_eob; |
| } |
| |
| static INLINE void fdct32x32(int rd_transform, |
| const int16_t *src, tran_low_t *dst, |
| int src_stride) { |
| if (rd_transform) |
| vpx_fdct32x32_rd(src, dst, src_stride); |
| else |
| vpx_fdct32x32(src, dst, src_stride); |
| } |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| static INLINE void highbd_fdct32x32(int rd_transform, const int16_t *src, |
| tran_low_t *dst, int src_stride) { |
| if (rd_transform) |
| vpx_highbd_fdct32x32_rd(src, dst, src_stride); |
| else |
| vpx_highbd_fdct32x32(src, dst, src_stride); |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| void vp10_fwd_txfm_4x4(const int16_t *src_diff, tran_low_t *coeff, |
| int diff_stride, TX_TYPE tx_type, int lossless) { |
| if (lossless) { |
| vp10_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| switch (tx_type) { |
| case DCT_DCT: |
| vpx_fdct4x4(src_diff, coeff, diff_stride); |
| break; |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| vp10_fht4x4(src_diff, coeff, diff_stride, tx_type); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| } |
| |
| static void fwd_txfm_8x8(const int16_t *src_diff, tran_low_t *coeff, |
| int diff_stride, TX_TYPE tx_type) { |
| switch (tx_type) { |
| case DCT_DCT: |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| vp10_fht8x8(src_diff, coeff, diff_stride, tx_type); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| static void fwd_txfm_16x16(const int16_t *src_diff, tran_low_t *coeff, |
| int diff_stride, TX_TYPE tx_type) { |
| switch (tx_type) { |
| case DCT_DCT: |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| vp10_fht16x16(src_diff, coeff, diff_stride, tx_type); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| static void fwd_txfm_32x32(int rd_transform, const int16_t *src_diff, |
| tran_low_t *coeff, int diff_stride, |
| TX_TYPE tx_type) { |
| switch (tx_type) { |
| case DCT_DCT: |
| fdct32x32(rd_transform, src_diff, coeff, diff_stride); |
| break; |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| assert(0); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| void vp10_highbd_fwd_txfm_4x4(const int16_t *src_diff, tran_low_t *coeff, |
| int diff_stride, TX_TYPE tx_type, int lossless) { |
| if (lossless) { |
| assert(tx_type == DCT_DCT); |
| vp10_highbd_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| switch (tx_type) { |
| case DCT_DCT: |
| vpx_highbd_fdct4x4(src_diff, coeff, diff_stride); |
| break; |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| vp10_highbd_fht4x4(src_diff, coeff, diff_stride, tx_type); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| } |
| |
| static void highbd_fwd_txfm_8x8(const int16_t *src_diff, tran_low_t *coeff, |
| int diff_stride, TX_TYPE tx_type) { |
| switch (tx_type) { |
| case DCT_DCT: |
| vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); |
| break; |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| vp10_highbd_fht8x8(src_diff, coeff, diff_stride, tx_type); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| static void highbd_fwd_txfm_16x16(const int16_t *src_diff, tran_low_t *coeff, |
| int diff_stride, TX_TYPE tx_type) { |
| switch (tx_type) { |
| case DCT_DCT: |
| vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); |
| break; |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| vp10_highbd_fht16x16(src_diff, coeff, diff_stride, tx_type); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| static void highbd_fwd_txfm_32x32(int rd_transform, const int16_t *src_diff, |
| tran_low_t *coeff, int diff_stride, |
| TX_TYPE tx_type) { |
| switch (tx_type) { |
| case DCT_DCT: |
| highbd_fdct32x32(rd_transform, src_diff, coeff, diff_stride); |
| break; |
| case ADST_DCT: |
| case DCT_ADST: |
| case ADST_ADST: |
| assert(0); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| void vp10_xform_quant_fp(MACROBLOCK *x, int plane, int block, |
| int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| const struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block); |
| const scan_order *const scan_order = get_scan(tx_size, tx_type); |
| tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); |
| tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); |
| tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| uint16_t *const eob = &p->eobs[block]; |
| const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; |
| const int16_t *src_diff; |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| switch (tx_size) { |
| case TX_32X32: |
| highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); |
| vp10_highbd_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, |
| p->round_fp, p->quant_fp, p->quant_shift, |
| qcoeff, dqcoeff, pd->dequant, |
| eob, scan_order->scan, |
| scan_order->iscan); |
| break; |
| case TX_16X16: |
| vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); |
| vp10_highbd_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_8X8: |
| vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); |
| vp10_highbd_quantize_fp(coeff, 64, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_4X4: |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| vp10_highbd_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| vpx_highbd_fdct4x4(src_diff, coeff, diff_stride); |
| } |
| vp10_highbd_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| default: |
| assert(0); |
| } |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| switch (tx_size) { |
| case TX_32X32: |
| fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); |
| vp10_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| scan_order->iscan); |
| break; |
| case TX_16X16: |
| vpx_fdct16x16(src_diff, coeff, diff_stride); |
| vp10_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_8X8: |
| vp10_fdct8x8_quant(src_diff, diff_stride, coeff, 64, |
| x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_4X4: |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| vp10_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| vpx_fdct4x4(src_diff, coeff, diff_stride); |
| } |
| vp10_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| void vp10_xform_quant_dc(MACROBLOCK *x, int plane, int block, |
| int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| const struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); |
| tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); |
| tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| uint16_t *const eob = &p->eobs[block]; |
| const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; |
| const int16_t *src_diff; |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| switch (tx_size) { |
| case TX_32X32: |
| vpx_highbd_fdct32x32_1(src_diff, coeff, diff_stride); |
| vpx_highbd_quantize_dc_32x32(coeff, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| case TX_16X16: |
| vpx_highbd_fdct16x16_1(src_diff, coeff, diff_stride); |
| vpx_highbd_quantize_dc(coeff, 256, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| case TX_8X8: |
| vpx_highbd_fdct8x8_1(src_diff, coeff, diff_stride); |
| vpx_highbd_quantize_dc(coeff, 64, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| case TX_4X4: |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| vp10_highbd_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| vpx_highbd_fdct4x4(src_diff, coeff, diff_stride); |
| } |
| vpx_highbd_quantize_dc(coeff, 16, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| default: |
| assert(0); |
| } |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| switch (tx_size) { |
| case TX_32X32: |
| vpx_fdct32x32_1(src_diff, coeff, diff_stride); |
| vpx_quantize_dc_32x32(coeff, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| case TX_16X16: |
| vpx_fdct16x16_1(src_diff, coeff, diff_stride); |
| vpx_quantize_dc(coeff, 256, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| case TX_8X8: |
| vpx_fdct8x8_1(src_diff, coeff, diff_stride); |
| vpx_quantize_dc(coeff, 64, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| case TX_4X4: |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| vp10_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| vpx_fdct4x4(src_diff, coeff, diff_stride); |
| } |
| vpx_quantize_dc(coeff, 16, x->skip_block, p->round, |
| p->quant_fp[0], qcoeff, dqcoeff, |
| pd->dequant[0], eob); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| |
| |
| void vp10_xform_quant(MACROBLOCK *x, int plane, int block, |
| int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| const struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block); |
| const scan_order *const scan_order = get_scan(tx_size, tx_type); |
| tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); |
| tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); |
| tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| uint16_t *const eob = &p->eobs[block]; |
| const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; |
| const int16_t *src_diff; |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| switch (tx_size) { |
| case TX_32X32: |
| highbd_fwd_txfm_32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride, |
| tx_type); |
| vpx_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, |
| p->round, p->quant, p->quant_shift, qcoeff, |
| dqcoeff, pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_16X16: |
| highbd_fwd_txfm_16x16(src_diff, coeff, diff_stride, tx_type); |
| vpx_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_8X8: |
| highbd_fwd_txfm_8x8(src_diff, coeff, diff_stride, tx_type); |
| vpx_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_4X4: |
| vp10_highbd_fwd_txfm_4x4(src_diff, coeff, diff_stride, tx_type, |
| xd->lossless[xd->mi[0]->mbmi.segment_id]); |
| vpx_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| default: |
| assert(0); |
| } |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| switch (tx_size) { |
| case TX_32X32: |
| fwd_txfm_32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride, tx_type); |
| vpx_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| scan_order->iscan); |
| break; |
| case TX_16X16: |
| fwd_txfm_16x16(src_diff, coeff, diff_stride, tx_type); |
| vpx_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_8X8: |
| fwd_txfm_8x8(src_diff, coeff, diff_stride, tx_type); |
| vpx_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| case TX_4X4: |
| vp10_fwd_txfm_4x4(src_diff, coeff, diff_stride, tx_type, |
| xd->lossless[xd->mi[0]->mbmi.segment_id]); |
| vpx_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| static void encode_block(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, |
| TX_SIZE tx_size, void *arg) { |
| struct encode_b_args *const args = arg; |
| MACROBLOCK *const x = args->x; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct optimize_ctx *const ctx = args->ctx; |
| struct macroblock_plane *const p = &x->plane[plane]; |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| uint8_t *dst; |
| ENTROPY_CONTEXT *a, *l; |
| TX_TYPE tx_type = get_tx_type(pd->plane_type, xd, block); |
| dst = &pd->dst.buf[4 * blk_row * pd->dst.stride + 4 * blk_col]; |
| a = &ctx->ta[plane][blk_col]; |
| l = &ctx->tl[plane][blk_row]; |
| |
| // TODO(jingning): per transformed block zero forcing only enabled for |
| // luma component. will integrate chroma components as well. |
| if (x->zcoeff_blk[tx_size][block] && plane == 0) { |
| p->eobs[block] = 0; |
| *a = *l = 0; |
| return; |
| } |
| |
| if (!x->skip_recode) { |
| if (x->quant_fp) { |
| // Encoding process for rtc mode |
| if (x->skip_txfm[0] == SKIP_TXFM_AC_DC && plane == 0) { |
| // skip forward transform |
| p->eobs[block] = 0; |
| *a = *l = 0; |
| return; |
| } else { |
| vp10_xform_quant_fp(x, plane, block, blk_row, blk_col, |
| plane_bsize, tx_size); |
| } |
| } else { |
| if (max_txsize_lookup[plane_bsize] == tx_size) { |
| int txfm_blk_index = (plane << 2) + (block >> (tx_size << 1)); |
| if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_NONE) { |
| // full forward transform and quantization |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, |
| plane_bsize, tx_size); |
| } else if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_AC_ONLY) { |
| // fast path forward transform and quantization |
| vp10_xform_quant_dc(x, plane, block, blk_row, blk_col, |
| plane_bsize, tx_size); |
| } else { |
| // skip forward transform |
| p->eobs[block] = 0; |
| *a = *l = 0; |
| return; |
| } |
| } else { |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, |
| plane_bsize, tx_size); |
| } |
| } |
| } |
| |
| if (x->optimize && (!x->skip_recode || !x->skip_optimize)) { |
| const int ctx = combine_entropy_contexts(*a, *l); |
| *a = *l = optimize_b(x, plane, block, tx_size, ctx) > 0; |
| } else { |
| *a = *l = p->eobs[block] > 0; |
| } |
| |
| if (p->eobs[block]) |
| *(args->skip) = 0; |
| |
| if (p->eobs[block] == 0) |
| return; |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| switch (tx_size) { |
| case TX_32X32: |
| vp10_highbd_inv_txfm_add_32x32(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type); |
| break; |
| case TX_16X16: |
| vp10_highbd_inv_txfm_add_16x16(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type); |
| break; |
| case TX_8X8: |
| vp10_highbd_inv_txfm_add_8x8(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type); |
| break; |
| case TX_4X4: |
| // this is like vp10_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| vp10_highbd_inv_txfm_add_4x4(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type, |
| xd->lossless[xd->mi[0]->mbmi.segment_id]); |
| break; |
| default: |
| assert(0 && "Invalid transform size"); |
| break; |
| } |
| |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| switch (tx_size) { |
| case TX_32X32: |
| vp10_inv_txfm_add_32x32(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type); |
| break; |
| case TX_16X16: |
| vp10_inv_txfm_add_16x16(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type); |
| break; |
| case TX_8X8: |
| vp10_inv_txfm_add_8x8(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type); |
| break; |
| case TX_4X4: |
| // this is like vp10_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| vp10_inv_txfm_add_4x4(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type, xd->lossless[xd->mi[0]->mbmi.segment_id]); |
| break; |
| default: |
| assert(0 && "Invalid transform size"); |
| break; |
| } |
| } |
| |
| static void encode_block_pass1(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, |
| TX_SIZE tx_size, void *arg) { |
| MACROBLOCK *const x = (MACROBLOCK *)arg; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct macroblock_plane *const p = &x->plane[plane]; |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| uint8_t *dst; |
| dst = &pd->dst.buf[4 * blk_row * pd->dst.stride + 4 * blk_col]; |
| |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size); |
| |
| if (p->eobs[block] > 0) { |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| if (xd->lossless[0]) { |
| vp10_highbd_iwht4x4_add(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd); |
| } else { |
| vp10_highbd_idct4x4_add(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd); |
| } |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| if (xd->lossless[0]) { |
| vp10_iwht4x4_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); |
| } else { |
| vp10_idct4x4_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); |
| } |
| } |
| } |
| |
| void vp10_encode_sby_pass1(MACROBLOCK *x, BLOCK_SIZE bsize) { |
| vp10_subtract_plane(x, bsize, 0); |
| vp10_foreach_transformed_block_in_plane(&x->e_mbd, bsize, 0, |
| encode_block_pass1, x); |
| } |
| |
| void vp10_encode_sb(MACROBLOCK *x, BLOCK_SIZE bsize) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct optimize_ctx ctx; |
| MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; |
| struct encode_b_args arg = {x, &ctx, &mbmi->skip}; |
| int plane; |
| |
| mbmi->skip = 1; |
| |
| if (x->skip) |
| return; |
| |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| if (!x->skip_recode) |
| vp10_subtract_plane(x, bsize, plane); |
| |
| if (x->optimize && (!x->skip_recode || !x->skip_optimize)) { |
| const struct macroblockd_plane* const pd = &xd->plane[plane]; |
| const TX_SIZE tx_size = plane ? get_uv_tx_size(mbmi, pd) : mbmi->tx_size; |
| vp10_get_entropy_contexts(bsize, tx_size, pd, |
| ctx.ta[plane], ctx.tl[plane]); |
| } |
| |
| vp10_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, |
| &arg); |
| } |
| } |
| |
| void vp10_encode_block_intra(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, |
| TX_SIZE tx_size, void *arg) { |
| struct encode_b_args* const args = arg; |
| MACROBLOCK *const x = args->x; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; |
| struct macroblock_plane *const p = &x->plane[plane]; |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| tran_low_t *coeff = BLOCK_OFFSET(p->coeff, block); |
| tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block); |
| tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block); |
| const scan_order *const scan_order = get_scan(tx_size, tx_type); |
| PREDICTION_MODE mode; |
| const int bwl = b_width_log2_lookup[plane_bsize]; |
| const int bhl = b_height_log2_lookup[plane_bsize]; |
| const int diff_stride = 4 * (1 << bwl); |
| uint8_t *src, *dst; |
| int16_t *src_diff; |
| uint16_t *eob = &p->eobs[block]; |
| const int src_stride = p->src.stride; |
| const int dst_stride = pd->dst.stride; |
| dst = &pd->dst.buf[4 * (blk_row * dst_stride + blk_col)]; |
| src = &p->src.buf[4 * (blk_row * src_stride + blk_col)]; |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| |
| mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mbmi->uv_mode; |
| vp10_predict_intra_block(xd, bwl, bhl, tx_size, mode, dst, dst_stride, |
| dst, dst_stride, blk_col, blk_row, plane); |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| switch (tx_size) { |
| case TX_32X32: |
| if (!x->skip_recode) { |
| vpx_highbd_subtract_block(32, 32, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride, xd->bd); |
| highbd_fwd_txfm_32x32(x->use_lp32x32fdct, src_diff, coeff, |
| diff_stride, tx_type); |
| vpx_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, |
| p->round, p->quant, p->quant_shift, |
| qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| } |
| if (*eob) |
| vp10_highbd_inv_txfm_add_32x32(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type); |
| break; |
| case TX_16X16: |
| if (!x->skip_recode) { |
| vpx_highbd_subtract_block(16, 16, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride, xd->bd); |
| highbd_fwd_txfm_16x16(src_diff, coeff, diff_stride, tx_type); |
| vpx_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| } |
| if (*eob) |
| vp10_highbd_inv_txfm_add_16x16(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type); |
| break; |
| case TX_8X8: |
| if (!x->skip_recode) { |
| vpx_highbd_subtract_block(8, 8, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride, xd->bd); |
| highbd_fwd_txfm_8x8(src_diff, coeff, diff_stride, tx_type); |
| vpx_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| } |
| if (*eob) |
| vp10_highbd_inv_txfm_add_8x8(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type); |
| break; |
| case TX_4X4: |
| if (!x->skip_recode) { |
| vpx_highbd_subtract_block(4, 4, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride, xd->bd); |
| vp10_highbd_fwd_txfm_4x4(src_diff, coeff, diff_stride, tx_type, |
| xd->lossless[mbmi->segment_id]); |
| vpx_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, |
| scan_order->scan, scan_order->iscan); |
| } |
| |
| if (*eob) |
| // this is like vp10_short_idct4x4 but has a special case around |
| // eob<=1 which is significant (not just an optimization) for the |
| // lossless case. |
| vp10_highbd_inv_txfm_add_4x4(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type, xd->lossless[mbmi->segment_id]); |
| break; |
| default: |
| assert(0); |
| return; |
| } |
| if (*eob) |
| *(args->skip) = 0; |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| switch (tx_size) { |
| case TX_32X32: |
| if (!x->skip_recode) { |
| vpx_subtract_block(32, 32, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride); |
| fwd_txfm_32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride, |
| tx_type); |
| vpx_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| scan_order->iscan); |
| } |
| if (*eob) |
| vp10_inv_txfm_add_32x32(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_16X16: |
| if (!x->skip_recode) { |
| vpx_subtract_block(16, 16, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride); |
| fwd_txfm_16x16(src_diff, coeff, diff_stride, tx_type); |
| vpx_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| scan_order->iscan); |
| } |
| if (*eob) |
| vp10_inv_txfm_add_16x16(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_8X8: |
| if (!x->skip_recode) { |
| vpx_subtract_block(8, 8, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride); |
| fwd_txfm_8x8(src_diff, coeff, diff_stride, tx_type); |
| vpx_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| scan_order->iscan); |
| } |
| if (*eob) |
| vp10_inv_txfm_add_8x8(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_4X4: |
| if (!x->skip_recode) { |
| vpx_subtract_block(4, 4, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride); |
| vp10_fwd_txfm_4x4(src_diff, coeff, diff_stride, tx_type, |
| xd->lossless[mbmi->segment_id]); |
| vpx_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| scan_order->iscan); |
| } |
| |
| if (*eob) { |
| // this is like vp10_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| vp10_inv_txfm_add_4x4(dqcoeff, dst, dst_stride, *eob, tx_type, |
| xd->lossless[mbmi->segment_id]); |
| } |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| if (*eob) |
| *(args->skip) = 0; |
| } |
| |
| void vp10_encode_intra_block_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) { |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| struct encode_b_args arg = {x, NULL, &xd->mi[0]->mbmi.skip}; |
| |
| vp10_foreach_transformed_block_in_plane(xd, bsize, plane, |
| vp10_encode_block_intra, &arg); |
| } |
