diff options
Diffstat (limited to 'media/libvpx/vp9/encoder/vp9_encodemb.c')
-rw-r--r-- | media/libvpx/vp9/encoder/vp9_encodemb.c | 1046 |
1 files changed, 1046 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/vp9_encodemb.c b/media/libvpx/vp9/encoder/vp9_encodemb.c new file mode 100644 index 000000000..2829365e5 --- /dev/null +++ b/media/libvpx/vp9/encoder/vp9_encodemb.c @@ -0,0 +1,1046 @@ +/* + * 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_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/common/vp9_systemdependent.h" + +#include "vp9/encoder/vp9_encodemb.h" +#include "vp9/encoder/vp9_quantize.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_block_c(int rows, int cols, + int16_t *diff, ptrdiff_t diff_stride, + const uint8_t *src, ptrdiff_t src_stride, + const uint8_t *pred, ptrdiff_t pred_stride) { + int r, c; + + for (r = 0; r < rows; r++) { + for (c = 0; c < cols; c++) + diff[c] = src[c] - pred[c]; + + diff += diff_stride; + pred += pred_stride; + src += src_stride; + } +} + +#if CONFIG_VP9_HIGHBITDEPTH +void vp9_highbd_subtract_block_c(int rows, int cols, + int16_t *diff, ptrdiff_t diff_stride, + const uint8_t *src8, ptrdiff_t src_stride, + const uint8_t *pred8, ptrdiff_t pred_stride, + int bd) { + int r, c; + uint16_t *src = CONVERT_TO_SHORTPTR(src8); + uint16_t *pred = CONVERT_TO_SHORTPTR(pred8); + (void) bd; + + for (r = 0; r < rows; r++) { + for (c = 0; c < cols; c++) { + diff[c] = src[c] - pred[c]; + } + + diff += diff_stride; + pred += pred_stride; + src += src_stride; + } +} +#endif // CONFIG_VP9_HIGHBITDEPTH + +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) { + vp9_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 + vp9_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 vp9_token_state { + int rate; + int error; + int next; + int16_t token; + short 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]->mbmi); + 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 = 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); + 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 int16_t *cat6_high_cost = vp9_get_high_cost_table(xd->bd); +#else + const int16_t *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) + vp9_fdct32x32_rd(src, dst, src_stride); + else + vp9_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) + vp9_highbd_fdct32x32_rd(src, dst, src_stride); + else + vp9_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: + vp9_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: + vp9_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: + vp9_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: + vp9_highbd_fdct32x32_1(src_diff, coeff, diff_stride); + vp9_highbd_quantize_dc_32x32(coeff, x->skip_block, p->round, + p->quant_fp[0], qcoeff, dqcoeff, + pd->dequant[0], eob); + break; + case TX_16X16: + vp9_highbd_fdct16x16_1(src_diff, coeff, diff_stride); + vp9_highbd_quantize_dc(coeff, 256, x->skip_block, p->round, + p->quant_fp[0], qcoeff, dqcoeff, + pd->dequant[0], eob); + break; + case TX_8X8: + vp9_highbd_fdct8x8_1(src_diff, coeff, diff_stride); + vp9_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); + vp9_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: + vp9_fdct32x32_1(src_diff, coeff, diff_stride); + vp9_quantize_dc_32x32(coeff, x->skip_block, p->round, + p->quant_fp[0], qcoeff, dqcoeff, + pd->dequant[0], eob); + break; + case TX_16X16: + vp9_fdct16x16_1(src_diff, coeff, diff_stride); + vp9_quantize_dc(coeff, 256, x->skip_block, p->round, + p->quant_fp[0], qcoeff, dqcoeff, + pd->dequant[0], eob); + break; + case TX_8X8: + vp9_fdct8x8_1(src_diff, coeff, diff_stride); + vp9_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); + vp9_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); + vp9_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: + vp9_highbd_fdct16x16(src_diff, coeff, diff_stride); + vp9_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: + vp9_highbd_fdct8x8(src_diff, coeff, diff_stride); + vp9_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); + vp9_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); + vp9_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: + vp9_fdct16x16(src_diff, coeff, diff_stride); + vp9_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: + vp9_fdct8x8(src_diff, coeff, diff_stride); + vp9_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); + vp9_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] == 1 && 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] == 0) { + // full forward transform and quantization + vp9_xform_quant(x, plane, block, plane_bsize, tx_size); + } else if (x->skip_txfm[txfm_blk_index]== 2) { + // 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; + 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) + 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(mbmi, pd) : mbmi->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; + 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); + const scan_order *scan_order; + TX_TYPE tx_type; + 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 CONFIG_VP9_HIGHBITDEPTH + if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { + switch (tx_size) { + case TX_32X32: + scan_order = &vp9_default_scan_orders[TX_32X32]; + mode = plane == 0 ? mbmi->mode : mbmi->uv_mode; + vp9_predict_intra_block(xd, block >> 6, bwl, TX_32X32, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + if (!x->skip_recode) { + vp9_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); + vp9_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: + tx_type = get_tx_type(pd->plane_type, xd); + scan_order = &vp9_scan_orders[TX_16X16][tx_type]; + mode = plane == 0 ? mbmi->mode : mbmi->uv_mode; + vp9_predict_intra_block(xd, block >> 4, bwl, TX_16X16, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + if (!x->skip_recode) { + vp9_highbd_subtract_block(16, 16, src_diff, diff_stride, + src, src_stride, dst, dst_stride, xd->bd); + vp9_highbd_fht16x16(src_diff, coeff, diff_stride, tx_type); + vp9_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: + tx_type = get_tx_type(pd->plane_type, xd); + scan_order = &vp9_scan_orders[TX_8X8][tx_type]; + mode = plane == 0 ? mbmi->mode : mbmi->uv_mode; + vp9_predict_intra_block(xd, block >> 2, bwl, TX_8X8, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + if (!x->skip_recode) { + vp9_highbd_subtract_block(8, 8, src_diff, diff_stride, + src, src_stride, dst, dst_stride, xd->bd); + vp9_highbd_fht8x8(src_diff, coeff, diff_stride, tx_type); + vp9_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: + tx_type = get_tx_type_4x4(pd->plane_type, xd, block); + scan_order = &vp9_scan_orders[TX_4X4][tx_type]; + mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mbmi->uv_mode; + vp9_predict_intra_block(xd, block, bwl, TX_4X4, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + + if (!x->skip_recode) { + vp9_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); + vp9_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: + scan_order = &vp9_default_scan_orders[TX_32X32]; + mode = plane == 0 ? mbmi->mode : mbmi->uv_mode; + vp9_predict_intra_block(xd, block >> 6, bwl, TX_32X32, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + if (!x->skip_recode) { + vp9_subtract_block(32, 32, src_diff, diff_stride, + src, src_stride, dst, dst_stride); + fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); + vp9_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: + tx_type = get_tx_type(pd->plane_type, xd); + scan_order = &vp9_scan_orders[TX_16X16][tx_type]; + mode = plane == 0 ? mbmi->mode : mbmi->uv_mode; + vp9_predict_intra_block(xd, block >> 4, bwl, TX_16X16, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + if (!x->skip_recode) { + vp9_subtract_block(16, 16, src_diff, diff_stride, + src, src_stride, dst, dst_stride); + vp9_fht16x16(src_diff, coeff, diff_stride, tx_type); + vp9_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: + tx_type = get_tx_type(pd->plane_type, xd); + scan_order = &vp9_scan_orders[TX_8X8][tx_type]; + mode = plane == 0 ? mbmi->mode : mbmi->uv_mode; + vp9_predict_intra_block(xd, block >> 2, bwl, TX_8X8, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + if (!x->skip_recode) { + vp9_subtract_block(8, 8, src_diff, diff_stride, + src, src_stride, dst, dst_stride); + vp9_fht8x8(src_diff, coeff, diff_stride, tx_type); + vp9_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: + tx_type = get_tx_type_4x4(pd->plane_type, xd, block); + scan_order = &vp9_scan_orders[TX_4X4][tx_type]; + mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mbmi->uv_mode; + vp9_predict_intra_block(xd, block, bwl, TX_4X4, mode, + x->skip_encode ? src : dst, + x->skip_encode ? src_stride : dst_stride, + dst, dst_stride, i, j, plane); + + if (!x->skip_recode) { + vp9_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); + vp9_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]->mbmi.skip}; + + vp9_foreach_transformed_block_in_plane(xd, bsize, plane, + vp9_encode_block_intra, &arg); +} |