| /* |
| * 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/hybrid_fwd_txfm.h" |
| #include "vp10/encoder/quantize.h" |
| #include "vp10/encoder/rd.h" |
| #include "vp10/encoder/tokenize.h" |
| |
| struct optimize_ctx { |
| ENTROPY_CONTEXT ta[MAX_MB_PLANE][2 * MAX_MIB_SIZE]; |
| ENTROPY_CONTEXT tl[MAX_MB_PLANE][2 * MAX_MIB_SIZE]; |
| }; |
| |
| 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) \ |
| (((1 << (VP9_PROB_COST_SHIFT - 1)) + (R) * (RM)) & \ |
| ((1 << VP9_PROB_COST_SHIFT) - 1)) |
| |
| typedef struct vp10_token_state { |
| int rate; |
| int error; |
| int next; |
| int16_t token; |
| short 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[MAX_TX_SQUARE+1][2]; |
| unsigned best_index[MAX_TX_SQUARE+1][2]; |
| uint8_t token_cache[MAX_TX_SQUARE]; |
| 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); |
| int mul; |
| 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, tx_size); |
| const scan_order *const so = |
| get_scan(tx_size, tx_type, is_inter_block(&xd->mi[0]->mbmi)); |
| 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 int *cat6_high_cost = vp10_get_high_cost_table(xd->bd); |
| #else |
| const int *cat6_high_cost = vp10_get_high_cost_table(8); |
| #endif |
| |
| assert((!type && !plane) || (type && plane)); |
| assert(eob <= default_eob); |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH && xd->bd == BITDEPTH_10) { |
| mul = 1; |
| } else { |
| mul = 1 + (tx_size == TX_32X32); |
| } |
| #else |
| mul = 1 + (tx_size == TX_32X32); |
| #endif |
| |
| /* 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; |
| assert(final_eob <= default_eob); |
| return final_eob; |
| } |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| typedef enum QUANT_FUNC { |
| QUANT_FUNC_LOWBD = 0, |
| QUANT_FUNC_LOWBD_32 = 1, |
| QUANT_FUNC_HIGHBD = 2, |
| QUANT_FUNC_HIGHBD_32 = 3, |
| QUANT_FUNC_LAST = 4 |
| } QUANT_FUNC; |
| |
| static VP10_QUANT_FACADE |
| quant_func_list[VP10_XFORM_QUANT_LAST][QUANT_FUNC_LAST] = { |
| {vp10_quantize_fp_facade, vp10_quantize_fp_32x32_facade, |
| vp10_highbd_quantize_fp_facade, vp10_highbd_quantize_fp_32x32_facade}, |
| {vp10_quantize_b_facade, vp10_quantize_b_32x32_facade, |
| vp10_highbd_quantize_b_facade, vp10_highbd_quantize_b_32x32_facade}, |
| {vp10_quantize_dc_facade, vp10_quantize_dc_32x32_facade, |
| vp10_highbd_quantize_dc_facade, vp10_highbd_quantize_dc_32x32_facade}, |
| {NULL, NULL, NULL, NULL}}; |
| |
| #else |
| typedef enum QUANT_FUNC { |
| QUANT_FUNC_LOWBD = 0, |
| QUANT_FUNC_LOWBD_32 = 1, |
| QUANT_FUNC_LAST = 2 |
| } QUANT_FUNC; |
| |
| static VP10_QUANT_FACADE |
| quant_func_list[VP10_XFORM_QUANT_LAST][QUANT_FUNC_LAST] = { |
| {vp10_quantize_fp_facade, vp10_quantize_fp_32x32_facade}, |
| {vp10_quantize_b_facade, vp10_quantize_b_32x32_facade}, |
| {vp10_quantize_dc_facade, vp10_quantize_dc_32x32_facade}, |
| {NULL, NULL}}; |
| #endif |
| |
| static FWD_TXFM_OPT fwd_txfm_opt_list[VP10_XFORM_QUANT_LAST] = { |
| FWD_TXFM_OPT_NORMAL, FWD_TXFM_OPT_NORMAL, FWD_TXFM_OPT_DC, |
| FWD_TXFM_OPT_NORMAL}; |
| |
| void vp10_xform_quant(MACROBLOCK *x, int plane, int block, int blk_row, |
| int blk_col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size, |
| VP10_XFORM_QUANT xform_quant_idx) { |
| 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, tx_size); |
| const scan_order *const scan_order = |
| get_scan(tx_size, tx_type, is_inter_block(&xd->mi[0]->mbmi)); |
| 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; |
| const int tx1d_size = get_tx1d_size(tx_size); |
| const int tx2d_size = tx1d_size * tx1d_size; |
| |
| FWD_TXFM_PARAM fwd_txfm_param; |
| fwd_txfm_param.tx_type = get_tx_type(plane_type, xd, block, tx_size); |
| fwd_txfm_param.tx_size = tx_size; |
| fwd_txfm_param.fwd_txfm_opt = fwd_txfm_opt_list[xform_quant_idx]; |
| fwd_txfm_param.rd_transform = x->use_lp32x32fdct; |
| fwd_txfm_param.lossless = xd->lossless[xd->mi[0]->mbmi.segment_id]; |
| |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| fwd_txfm_param.bd = xd->bd; |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| highbd_fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| if (xform_quant_idx != VP10_XFORM_QUANT_SKIP_QUANT) { |
| if (x->skip_block) { |
| vp10_quantize_skip(tx2d_size, qcoeff, dqcoeff, eob); |
| } else { |
| if (tx_size == TX_32X32 && xd->bd != 10) |
| quant_func_list[xform_quant_idx][QUANT_FUNC_HIGHBD_32]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order); |
| else |
| quant_func_list[xform_quant_idx][QUANT_FUNC_HIGHBD]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order); |
| } |
| } |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| if (xform_quant_idx != VP10_XFORM_QUANT_SKIP_QUANT) { |
| if (x->skip_block) { |
| vp10_quantize_skip(tx2d_size, qcoeff, dqcoeff, eob); |
| } else { |
| if (tx_size == TX_32X32) |
| quant_func_list[xform_quant_idx][QUANT_FUNC_LOWBD_32]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order); |
| else |
| quant_func_list[xform_quant_idx][QUANT_FUNC_LOWBD]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order); |
| } |
| } |
| } |
| |
| 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; |
| INV_TXFM_PARAM inv_txfm_param; |
| #if CONFIG_VAR_TX |
| int i; |
| const int bwl = b_width_log2_lookup[plane_bsize]; |
| #endif |
| 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. |
| // Turn this back on when the rate-distortion loop is synchronized with |
| // the recursive transform block coding. |
| // if (x->zcoeff_blk[tx_size][block] && plane == 0) { |
| // p->eobs[block] = 0; |
| // *a = *l = 0; |
| // return; |
| // } |
| |
| #if CONFIG_VAR_TX |
| if (!x->skip_recode && |
| x->blk_skip[plane][(blk_row << bwl) + blk_col] == 0) { |
| #else |
| if (!x->skip_recode) { |
| #endif |
| if (x->quant_fp) { |
| // Encoding process for rtc mode |
| if (x->skip_txfm[0][0] == SKIP_TXFM_AC_DC && plane == 0) { |
| // 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, VP10_XFORM_QUANT_FP); |
| } |
| } else { |
| if (max_txsize_lookup[plane_bsize] == tx_size) { |
| int blk_index = (block >> (tx_size << 1)); |
| if (x->skip_txfm[plane][blk_index] == SKIP_TXFM_NONE) { |
| // full forward transform and quantization |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size, VP10_XFORM_QUANT_B); |
| } else if (x->skip_txfm[plane][blk_index] == SKIP_TXFM_AC_ONLY) { |
| // fast path forward transform and quantization |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size, VP10_XFORM_QUANT_DC); |
| } else { |
| // skip forward transform |
| p->eobs[block] = 0; |
| *a = *l = 0; |
| #if !CONFIG_VAR_TX |
| return; |
| #endif |
| } |
| } else { |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size, VP10_XFORM_QUANT_B); |
| } |
| } |
| } |
| #if CONFIG_VAR_TX |
| else { |
| if (!x->skip_recode) |
| p->eobs[block] = 0; |
| } |
| #endif |
| |
| if (x->optimize && (!x->skip_recode || !x->skip_optimize)) { |
| int ctx; |
| #if CONFIG_VAR_TX |
| switch (tx_size) { |
| case TX_4X4: |
| break; |
| case TX_8X8: |
| a[0] = !!*(const uint16_t *)&a[0]; |
| l[0] = !!*(const uint16_t *)&l[0]; |
| break; |
| case TX_16X16: |
| a[0] = !!*(const uint32_t *)&a[0]; |
| l[0] = !!*(const uint32_t *)&l[0]; |
| break; |
| case TX_32X32: |
| a[0] = !!*(const uint64_t *)&a[0]; |
| l[0] = !!*(const uint64_t *)&l[0]; |
| break; |
| default: |
| assert(0 && "Invalid transform size."); |
| break; |
| } |
| #endif |
| 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 CONFIG_VAR_TX |
| for (i = 0; i < (1 << tx_size); ++i) { |
| a[i] = a[0]; |
| l[i] = l[0]; |
| } |
| #endif |
| |
| if (p->eobs[block]) |
| *(args->skip) = 0; |
| |
| if (p->eobs[block] == 0) |
| return; |
| |
| // inverse transform parameters |
| inv_txfm_param.tx_type = get_tx_type(pd->plane_type, xd, block, tx_size); |
| inv_txfm_param.tx_size = tx_size; |
| inv_txfm_param.eob = p->eobs[block]; |
| inv_txfm_param.lossless = xd->lossless[xd->mi[0]->mbmi.segment_id]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| inv_txfm_param.bd = xd->bd; |
| highbd_inv_txfm_add(dqcoeff, dst, pd->dst.stride, &inv_txfm_param); |
| return; |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| inv_txfm_add(dqcoeff, dst, pd->dst.stride, &inv_txfm_param); |
| } |
| |
| #if CONFIG_VAR_TX |
| static void encode_block_inter(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 *const mbmi = &xd->mi[0]->mbmi; |
| const BLOCK_SIZE bsize = txsize_to_bsize[tx_size]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const int tx_row = blk_row >> (1 - pd->subsampling_y); |
| const int tx_col = blk_col >> (1 - pd->subsampling_x); |
| const TX_SIZE plane_tx_size = plane ? |
| get_uv_tx_size_impl(mbmi->inter_tx_size[tx_row][tx_col], bsize, 0, 0) : |
| mbmi->inter_tx_size[tx_row][tx_col]; |
| |
| int max_blocks_high = num_4x4_blocks_high_lookup[plane_bsize]; |
| int max_blocks_wide = num_4x4_blocks_wide_lookup[plane_bsize]; |
| |
| if (xd->mb_to_bottom_edge < 0) |
| max_blocks_high += xd->mb_to_bottom_edge >> (5 + pd->subsampling_y); |
| if (xd->mb_to_right_edge < 0) |
| max_blocks_wide += xd->mb_to_right_edge >> (5 + pd->subsampling_x); |
| |
| if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) |
| return; |
| |
| if (tx_size == plane_tx_size) { |
| encode_block(plane, block, blk_row, blk_col, plane_bsize, |
| tx_size, arg); |
| } else { |
| int bsl = b_width_log2_lookup[bsize]; |
| int i; |
| |
| assert(bsl > 0); |
| --bsl; |
| |
| for (i = 0; i < 4; ++i) { |
| const int offsetr = blk_row + ((i >> 1) << bsl); |
| const int offsetc = blk_col + ((i & 0x01) << bsl); |
| int step = 1 << (2 * (tx_size - 1)); |
| |
| if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) |
| continue; |
| |
| encode_block_inter(plane, block + i * step, offsetr, offsetc, |
| plane_bsize, tx_size - 1, arg); |
| } |
| } |
| } |
| #endif |
| |
| 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, VP10_XFORM_QUANT_B); |
| |
| if (p->eobs[block] > 0) { |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| 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[xd->mi[0]->mbmi.segment_id]) { |
| 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 CONFIG_VAR_TX |
| // TODO(jingning): Clean this up. |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd); |
| const int mi_width = num_4x4_blocks_wide_lookup[plane_bsize]; |
| const int mi_height = num_4x4_blocks_high_lookup[plane_bsize]; |
| const TX_SIZE max_tx_size = max_txsize_lookup[plane_bsize]; |
| const BLOCK_SIZE txb_size = txsize_to_bsize[max_tx_size]; |
| const int bh = num_4x4_blocks_wide_lookup[txb_size]; |
| int idx, idy; |
| int block = 0; |
| int step = 1 << (max_tx_size * 2); |
| #endif |
| if (!x->skip_recode) |
| vp10_subtract_plane(x, bsize, plane); |
| |
| if (x->optimize && (!x->skip_recode || !x->skip_optimize)) { |
| #if CONFIG_VAR_TX |
| vp10_get_entropy_contexts(bsize, TX_4X4, pd, |
| ctx.ta[plane], ctx.tl[plane]); |
| #else |
| 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]); |
| #endif |
| } |
| |
| #if CONFIG_VAR_TX |
| for (idy = 0; idy < mi_height; idy += bh) { |
| for (idx = 0; idx < mi_width; idx += bh) { |
| encode_block_inter(plane, block, idy, idx, plane_bsize, |
| max_tx_size, &arg); |
| block += step; |
| } |
| } |
| #else |
| vp10_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, |
| &arg); |
| #endif |
| } |
| } |
| |
| #if CONFIG_SUPERTX |
| void vp10_encode_sb_supertx(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) { |
| 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_subtract_plane(x, bsize, plane); |
| 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); |
| } |
| } |
| #endif // CONFIG_SUPERTX |
| |
| 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 *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| const TX_TYPE tx_type = get_tx_type(plane_type, xd, block, tx_size); |
| 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; |
| |
| const int tx1d_size = get_tx1d_size(tx_size); |
| |
| INV_TXFM_PARAM inv_txfm_param; |
| |
| 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) { |
| vpx_highbd_subtract_block(tx1d_size, tx1d_size, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride, xd->bd); |
| } else { |
| vpx_subtract_block(tx1d_size, tx1d_size, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| } |
| #else |
| vpx_subtract_block(tx1d_size, tx1d_size, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| #if CONFIG_EXT_INTRA |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| VP10_XFORM_QUANT_B); |
| #else |
| if (!x->skip_recode) |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| VP10_XFORM_QUANT_B); |
| else |
| vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| VP10_XFORM_QUANT_SKIP_QUANT); |
| #endif // CONFIG_EXT_INTRA |
| |
| if (*eob) { |
| // inverse transform |
| inv_txfm_param.tx_type = tx_type; |
| inv_txfm_param.tx_size = tx_size; |
| inv_txfm_param.eob = *eob; |
| inv_txfm_param.lossless = xd->lossless[mbmi->segment_id]; |
| #if CONFIG_VP9_HIGHBITDEPTH |
| inv_txfm_param.bd = xd->bd; |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| highbd_inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| } else { |
| inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| } |
| #else |
| inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| *(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); |
| } |
