ref: aea8d97a74ae8102a864baa1439dd4f4f25555e9
dir: /vp9/encoder/vp9_encodemb.c/
/* * 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 "./vp9_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 "vp9/common/vp9_idct.h" #include "vp9/common/vp9_reconinter.h" #include "vp9/common/vp9_reconintra.h" #include "vp9/common/vp9_scan.h" #include "vp9/encoder/vp9_encodemb.h" #include "vp9/encoder/vp9_rd.h" #include "vp9/encoder/vp9_tokenize.h" struct optimize_ctx { ENTROPY_CONTEXT ta[MAX_MB_PLANE][16]; ENTROPY_CONTEXT tl[MAX_MB_PLANE][16]; }; void vp9_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 vp9_token_state { int rate; int error; int next; int16_t token; int16_t qc; } vp9_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]] = vp9_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]); vp9_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 = get_plane_type(plane); 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); const scan_order *const so = get_scan(xd, tx_size, type, block); 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 = vp9_get_high_cost_table(xd->bd); #else const int *cat6_high_cost = vp9_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]] = vp9_pt_energy_class[vp9_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; vp9_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 = vp9_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 { vp9_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 = vp9_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 vp9_xform_quant_fp(MACROBLOCK *x, int plane, int block, 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]; const scan_order *const scan_order = &vp9_default_scan_orders[tx_size]; 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]; int i, j; const int16_t *src_diff; txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); src_diff = &p->src_diff[4 * (j * diff_stride + i)]; #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); vp9_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); vp9_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); vp9_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: x->fwd_txm4x4(src_diff, coeff, diff_stride); vp9_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); vp9_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); vp9_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: vp9_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: x->fwd_txm4x4(src_diff, coeff, diff_stride); vp9_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 vp9_xform_quant_dc(MACROBLOCK *x, int plane, int block, 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]; int i, j; const int16_t *src_diff; txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); src_diff = &p->src_diff[4 * (j * diff_stride + i)]; #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: x->fwd_txm4x4(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: x->fwd_txm4x4(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 vp9_xform_quant(MACROBLOCK *x, int plane, int block, 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]; const scan_order *const scan_order = &vp9_default_scan_orders[tx_size]; 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]; int i, j; const int16_t *src_diff; txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); src_diff = &p->src_diff[4 * (j * diff_stride + i)]; #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); 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: vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); 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: vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); 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: x->fwd_txm4x4(src_diff, coeff, diff_stride); 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: fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); 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: vpx_fdct16x16(src_diff, coeff, diff_stride); 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: vpx_fdct8x8(src_diff, coeff, diff_stride); 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: x->fwd_txm4x4(src_diff, coeff, diff_stride); 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, 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); int i, j; uint8_t *dst; ENTROPY_CONTEXT *a, *l; txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); dst = &pd->dst.buf[4 * j * pd->dst.stride + 4 * i]; a = &ctx->ta[plane][i]; l = &ctx->tl[plane][j]; // 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 { vp9_xform_quant_fp(x, plane, block, 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 vp9_xform_quant(x, plane, block, plane_bsize, tx_size); } else if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_AC_ONLY) { // fast path forward transform and quantization vp9_xform_quant_dc(x, plane, block, plane_bsize, tx_size); } else { // skip forward transform p->eobs[block] = 0; *a = *l = 0; return; } } else { vp9_xform_quant(x, plane, block, 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 (x->skip_encode || p->eobs[block] == 0) return; #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { switch (tx_size) { case TX_32X32: vp9_highbd_idct32x32_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd); break; case TX_16X16: vp9_highbd_idct16x16_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd); break; case TX_8X8: vp9_highbd_idct8x8_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd); break; case TX_4X4: // this is like vp9_short_idct4x4 but has a special case around eob<=1 // which is significant (not just an optimization) for the lossless // case. x->highbd_itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd); break; default: assert(0 && "Invalid transform size"); } return; } #endif // CONFIG_VP9_HIGHBITDEPTH switch (tx_size) { case TX_32X32: vp9_idct32x32_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; case TX_16X16: vp9_idct16x16_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; case TX_8X8: vp9_idct8x8_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; case TX_4X4: // this is like vp9_short_idct4x4 but has a special case around eob<=1 // which is significant (not just an optimization) for the lossless // case. x->itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; default: assert(0 && "Invalid transform size"); break; } } static void encode_block_pass1(int plane, int block, 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); int i, j; uint8_t *dst; txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); dst = &pd->dst.buf[4 * j * pd->dst.stride + 4 * i]; vp9_xform_quant(x, plane, block, plane_bsize, tx_size); if (p->eobs[block] > 0) { #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { x->highbd_itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd); return; } #endif // CONFIG_VP9_HIGHBITDEPTH x->itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); } } void vp9_encode_sby_pass1(MACROBLOCK *x, BLOCK_SIZE bsize) { vp9_subtract_plane(x, bsize, 0); vp9_foreach_transformed_block_in_plane(&x->e_mbd, bsize, 0, encode_block_pass1, x); } void vp9_encode_sb(MACROBLOCK *x, BLOCK_SIZE bsize) { MACROBLOCKD *const xd = &x->e_mbd; struct optimize_ctx ctx; MODE_INFO *mi = xd->mi[0]; struct encode_b_args arg = {x, &ctx, &mi->skip}; int plane; mi->skip = 1; if (x->skip) return; for (plane = 0; plane < MAX_MB_PLANE; ++plane) { if (!x->skip_recode) vp9_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(mi, pd) : mi->tx_size; vp9_get_entropy_contexts(bsize, tx_size, pd, ctx.ta[plane], ctx.tl[plane]); } vp9_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, &arg); } } void vp9_encode_block_intra(int plane, int block, 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; MODE_INFO *mi = xd->mi[0]; 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); const scan_order *scan_order; TX_TYPE tx_type = DCT_DCT; PREDICTION_MODE mode; const int bwl = b_width_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; int i, j; txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); dst = &pd->dst.buf[4 * (j * dst_stride + i)]; src = &p->src.buf[4 * (j * src_stride + i)]; src_diff = &p->src_diff[4 * (j * diff_stride + i)]; if (tx_size == TX_4X4) { tx_type = get_tx_type_4x4(get_plane_type(plane), xd, block); scan_order = &vp9_scan_orders[TX_4X4][tx_type]; mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mi->uv_mode; } else { mode = plane == 0 ? mi->mode : mi->uv_mode; if (tx_size == TX_32X32) { scan_order = &vp9_default_scan_orders[TX_32X32]; } else { tx_type = get_tx_type(get_plane_type(plane), xd); scan_order = &vp9_scan_orders[tx_size][tx_type]; } } vp9_predict_intra_block(xd, bwl, tx_size, mode, x->skip_encode ? src : dst, x->skip_encode ? src_stride : dst_stride, dst, dst_stride, i, j, 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_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); 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 (!x->skip_encode && *eob) { vp9_highbd_idct32x32_add(dqcoeff, dst, dst_stride, *eob, xd->bd); } 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); if (tx_type == DCT_DCT) vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); else vp9_highbd_fht16x16(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 (!x->skip_encode && *eob) { vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst, dst_stride, *eob, xd->bd); } 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); if (tx_type == DCT_DCT) vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); else vp9_highbd_fht8x8(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 (!x->skip_encode && *eob) { vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob, xd->bd); } 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); if (tx_type != DCT_DCT) vp9_highbd_fht4x4(src_diff, coeff, diff_stride, tx_type); else x->fwd_txm4x4(src_diff, coeff, diff_stride); 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 (!x->skip_encode && *eob) { if (tx_type == DCT_DCT) { // this is like vp9_short_idct4x4 but has a special case around // eob<=1 which is significant (not just an optimization) for the // lossless case. x->highbd_itxm_add(dqcoeff, dst, dst_stride, *eob, xd->bd); } else { vp9_highbd_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type, xd->bd); } } 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); fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); 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 (!x->skip_encode && *eob) vp9_idct32x32_add(dqcoeff, dst, dst_stride, *eob); break; case TX_16X16: if (!x->skip_recode) { vpx_subtract_block(16, 16, src_diff, diff_stride, src, src_stride, dst, dst_stride); vp9_fht16x16(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 (!x->skip_encode && *eob) vp9_iht16x16_add(tx_type, dqcoeff, dst, dst_stride, *eob); break; case TX_8X8: if (!x->skip_recode) { vpx_subtract_block(8, 8, src_diff, diff_stride, src, src_stride, dst, dst_stride); vp9_fht8x8(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 (!x->skip_encode && *eob) vp9_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob); break; case TX_4X4: if (!x->skip_recode) { vpx_subtract_block(4, 4, src_diff, diff_stride, src, src_stride, dst, dst_stride); if (tx_type != DCT_DCT) vp9_fht4x4(src_diff, coeff, diff_stride, tx_type); else x->fwd_txm4x4(src_diff, coeff, diff_stride); 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 (!x->skip_encode && *eob) { if (tx_type == DCT_DCT) // this is like vp9_short_idct4x4 but has a special case around eob<=1 // which is significant (not just an optimization) for the lossless // case. x->itxm_add(dqcoeff, dst, dst_stride, *eob); else vp9_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type); } break; default: assert(0); break; } if (*eob) *(args->skip) = 0; } void vp9_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]->skip}; vp9_foreach_transformed_block_in_plane(xd, bsize, plane, vp9_encode_block_intra, &arg); }