978 строки
36 KiB
C
978 строки
36 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "./vp9_rtcd.h"
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#include "./vpx_config.h"
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#include "./vpx_dsp_rtcd.h"
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#include "vpx_dsp/quantize.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vpx_ports/mem.h"
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#include "vp9/common/vp9_idct.h"
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#include "vp9/common/vp9_reconinter.h"
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#include "vp9/common/vp9_reconintra.h"
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#include "vp9/common/vp9_scan.h"
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#include "vp9/encoder/vp9_encodemb.h"
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#include "vp9/encoder/vp9_rd.h"
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#include "vp9/encoder/vp9_tokenize.h"
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struct optimize_ctx {
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ENTROPY_CONTEXT ta[MAX_MB_PLANE][16];
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ENTROPY_CONTEXT tl[MAX_MB_PLANE][16];
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};
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void vp9_subtract_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
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struct macroblock_plane *const p = &x->plane[plane];
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const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane];
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const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
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const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
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const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize];
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#if CONFIG_VP9_HIGHBITDEPTH
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if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
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vpx_highbd_subtract_block(bh, bw, p->src_diff, bw, p->src.buf,
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p->src.stride, pd->dst.buf, pd->dst.stride,
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x->e_mbd.bd);
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return;
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride,
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pd->dst.buf, pd->dst.stride);
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}
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#define RDTRUNC(RM, DM, R, D) \
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(((1 << (VP9_PROB_COST_SHIFT - 1)) + (R) * (RM)) & \
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((1 << VP9_PROB_COST_SHIFT) - 1))
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typedef struct vp9_token_state {
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int rate;
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int error;
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int next;
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int16_t token;
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int16_t qc;
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} vp9_token_state;
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// TODO(jimbankoski): experiment to find optimal RD numbers.
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static const int plane_rd_mult[PLANE_TYPES] = { 4, 2 };
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#define UPDATE_RD_COST()\
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{\
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rd_cost0 = RDCOST(rdmult, rddiv, rate0, error0);\
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rd_cost1 = RDCOST(rdmult, rddiv, rate1, error1);\
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if (rd_cost0 == rd_cost1) {\
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rd_cost0 = RDTRUNC(rdmult, rddiv, rate0, error0);\
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rd_cost1 = RDTRUNC(rdmult, rddiv, rate1, error1);\
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}\
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}
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// This function is a place holder for now but may ultimately need
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// to scan previous tokens to work out the correct context.
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static int trellis_get_coeff_context(const int16_t *scan,
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const int16_t *nb,
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int idx, int token,
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uint8_t *token_cache) {
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int bak = token_cache[scan[idx]], pt;
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token_cache[scan[idx]] = vp9_pt_energy_class[token];
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pt = get_coef_context(nb, token_cache, idx + 1);
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token_cache[scan[idx]] = bak;
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return pt;
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}
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static int optimize_b(MACROBLOCK *mb, int plane, int block,
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TX_SIZE tx_size, int ctx) {
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MACROBLOCKD *const xd = &mb->e_mbd;
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struct macroblock_plane *const p = &mb->plane[plane];
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struct macroblockd_plane *const pd = &xd->plane[plane];
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const int ref = is_inter_block(xd->mi[0]);
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vp9_token_state tokens[1025][2];
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unsigned best_index[1025][2];
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uint8_t token_cache[1024];
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const tran_low_t *const coeff = BLOCK_OFFSET(mb->plane[plane].coeff, block);
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tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
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tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
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const int eob = p->eobs[block];
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const PLANE_TYPE type = get_plane_type(plane);
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const int default_eob = 16 << (tx_size << 1);
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const int mul = 1 + (tx_size == TX_32X32);
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const int16_t *dequant_ptr = pd->dequant;
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const uint8_t *const band_translate = get_band_translate(tx_size);
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const scan_order *const so = get_scan(xd, tx_size, type, block);
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const int16_t *const scan = so->scan;
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const int16_t *const nb = so->neighbors;
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int next = eob, sz = 0;
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int64_t rdmult = mb->rdmult * plane_rd_mult[type], rddiv = mb->rddiv;
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int64_t rd_cost0, rd_cost1;
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int rate0, rate1, error0, error1;
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int16_t t0, t1;
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EXTRABIT e0;
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int best, band, pt, i, final_eob;
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#if CONFIG_VP9_HIGHBITDEPTH
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const int *cat6_high_cost = vp9_get_high_cost_table(xd->bd);
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#else
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const int *cat6_high_cost = vp9_get_high_cost_table(8);
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#endif
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assert((!type && !plane) || (type && plane));
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assert(eob <= default_eob);
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/* Now set up a Viterbi trellis to evaluate alternative roundings. */
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if (!ref)
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rdmult = (rdmult * 9) >> 4;
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/* Initialize the sentinel node of the trellis. */
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tokens[eob][0].rate = 0;
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tokens[eob][0].error = 0;
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tokens[eob][0].next = default_eob;
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tokens[eob][0].token = EOB_TOKEN;
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tokens[eob][0].qc = 0;
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tokens[eob][1] = tokens[eob][0];
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for (i = 0; i < eob; i++)
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token_cache[scan[i]] =
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vp9_pt_energy_class[vp9_get_token(qcoeff[scan[i]])];
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for (i = eob; i-- > 0;) {
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int base_bits, d2, dx;
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const int rc = scan[i];
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int x = qcoeff[rc];
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/* Only add a trellis state for non-zero coefficients. */
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if (x) {
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int shortcut = 0;
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error0 = tokens[next][0].error;
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error1 = tokens[next][1].error;
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/* Evaluate the first possibility for this state. */
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rate0 = tokens[next][0].rate;
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rate1 = tokens[next][1].rate;
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vp9_get_token_extra(x, &t0, &e0);
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/* Consider both possible successor states. */
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if (next < default_eob) {
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band = band_translate[i + 1];
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pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache);
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rate0 += mb->token_costs[tx_size][type][ref][band][0][pt]
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[tokens[next][0].token];
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rate1 += mb->token_costs[tx_size][type][ref][band][0][pt]
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[tokens[next][1].token];
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}
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UPDATE_RD_COST();
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/* And pick the best. */
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best = rd_cost1 < rd_cost0;
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base_bits = vp9_get_cost(t0, e0, cat6_high_cost);
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dx = mul * (dqcoeff[rc] - coeff[rc]);
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#if CONFIG_VP9_HIGHBITDEPTH
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if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
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dx >>= xd->bd - 8;
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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d2 = dx * dx;
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tokens[i][0].rate = base_bits + (best ? rate1 : rate0);
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tokens[i][0].error = d2 + (best ? error1 : error0);
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tokens[i][0].next = next;
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tokens[i][0].token = t0;
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tokens[i][0].qc = x;
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best_index[i][0] = best;
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/* Evaluate the second possibility for this state. */
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rate0 = tokens[next][0].rate;
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rate1 = tokens[next][1].rate;
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if ((abs(x) * dequant_ptr[rc != 0] > abs(coeff[rc]) * mul) &&
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(abs(x) * dequant_ptr[rc != 0] < abs(coeff[rc]) * mul +
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dequant_ptr[rc != 0]))
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shortcut = 1;
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else
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shortcut = 0;
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if (shortcut) {
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sz = -(x < 0);
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x -= 2 * sz + 1;
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}
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/* Consider both possible successor states. */
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if (!x) {
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/* If we reduced this coefficient to zero, check to see if
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* we need to move the EOB back here.
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*/
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t0 = tokens[next][0].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN;
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t1 = tokens[next][1].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN;
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e0 = 0;
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} else {
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vp9_get_token_extra(x, &t0, &e0);
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t1 = t0;
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}
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if (next < default_eob) {
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band = band_translate[i + 1];
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if (t0 != EOB_TOKEN) {
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pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache);
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rate0 += mb->token_costs[tx_size][type][ref][band][!x][pt]
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[tokens[next][0].token];
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}
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if (t1 != EOB_TOKEN) {
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pt = trellis_get_coeff_context(scan, nb, i, t1, token_cache);
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rate1 += mb->token_costs[tx_size][type][ref][band][!x][pt]
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[tokens[next][1].token];
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}
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}
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UPDATE_RD_COST();
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/* And pick the best. */
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best = rd_cost1 < rd_cost0;
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base_bits = vp9_get_cost(t0, e0, cat6_high_cost);
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if (shortcut) {
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#if CONFIG_VP9_HIGHBITDEPTH
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if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
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dx -= ((dequant_ptr[rc != 0] >> (xd->bd - 8)) + sz) ^ sz;
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} else {
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dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
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}
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#else
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dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
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#endif // CONFIG_VP9_HIGHBITDEPTH
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d2 = dx * dx;
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}
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tokens[i][1].rate = base_bits + (best ? rate1 : rate0);
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tokens[i][1].error = d2 + (best ? error1 : error0);
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tokens[i][1].next = next;
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tokens[i][1].token = best ? t1 : t0;
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tokens[i][1].qc = x;
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best_index[i][1] = best;
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/* Finally, make this the new head of the trellis. */
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next = i;
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} else {
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/* There's no choice to make for a zero coefficient, so we don't
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* add a new trellis node, but we do need to update the costs.
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*/
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band = band_translate[i + 1];
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t0 = tokens[next][0].token;
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t1 = tokens[next][1].token;
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/* Update the cost of each path if we're past the EOB token. */
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if (t0 != EOB_TOKEN) {
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tokens[next][0].rate +=
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mb->token_costs[tx_size][type][ref][band][1][0][t0];
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tokens[next][0].token = ZERO_TOKEN;
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}
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if (t1 != EOB_TOKEN) {
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tokens[next][1].rate +=
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mb->token_costs[tx_size][type][ref][band][1][0][t1];
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tokens[next][1].token = ZERO_TOKEN;
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}
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best_index[i][0] = best_index[i][1] = 0;
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/* Don't update next, because we didn't add a new node. */
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}
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}
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/* Now pick the best path through the whole trellis. */
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band = band_translate[i + 1];
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rate0 = tokens[next][0].rate;
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rate1 = tokens[next][1].rate;
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error0 = tokens[next][0].error;
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error1 = tokens[next][1].error;
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t0 = tokens[next][0].token;
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t1 = tokens[next][1].token;
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rate0 += mb->token_costs[tx_size][type][ref][band][0][ctx][t0];
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rate1 += mb->token_costs[tx_size][type][ref][band][0][ctx][t1];
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UPDATE_RD_COST();
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best = rd_cost1 < rd_cost0;
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final_eob = -1;
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memset(qcoeff, 0, sizeof(*qcoeff) * (16 << (tx_size * 2)));
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memset(dqcoeff, 0, sizeof(*dqcoeff) * (16 << (tx_size * 2)));
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for (i = next; i < eob; i = next) {
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const int x = tokens[i][best].qc;
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const int rc = scan[i];
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if (x) {
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final_eob = i;
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}
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qcoeff[rc] = x;
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dqcoeff[rc] = (x * dequant_ptr[rc != 0]) / mul;
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next = tokens[i][best].next;
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best = best_index[i][best];
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}
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final_eob++;
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mb->plane[plane].eobs[block] = final_eob;
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return final_eob;
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}
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static INLINE void fdct32x32(int rd_transform,
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const int16_t *src, tran_low_t *dst,
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int src_stride) {
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if (rd_transform)
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vpx_fdct32x32_rd(src, dst, src_stride);
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else
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vpx_fdct32x32(src, dst, src_stride);
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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static INLINE void highbd_fdct32x32(int rd_transform, const int16_t *src,
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tran_low_t *dst, int src_stride) {
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if (rd_transform)
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vpx_highbd_fdct32x32_rd(src, dst, src_stride);
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else
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vpx_highbd_fdct32x32(src, dst, src_stride);
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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void vp9_xform_quant_fp(MACROBLOCK *x, int plane, int block,
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BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
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MACROBLOCKD *const xd = &x->e_mbd;
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const struct macroblock_plane *const p = &x->plane[plane];
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const struct macroblockd_plane *const pd = &xd->plane[plane];
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const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
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tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
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tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
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tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
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uint16_t *const eob = &p->eobs[block];
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const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
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int i, j;
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const int16_t *src_diff;
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txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
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src_diff = &p->src_diff[4 * (j * diff_stride + i)];
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#if CONFIG_VP9_HIGHBITDEPTH
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if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
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switch (tx_size) {
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case TX_32X32:
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highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
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vp9_highbd_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin,
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p->round_fp, p->quant_fp, p->quant_shift,
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qcoeff, dqcoeff, pd->dequant,
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eob, scan_order->scan,
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scan_order->iscan);
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break;
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case TX_16X16:
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vpx_highbd_fdct16x16(src_diff, coeff, diff_stride);
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vp9_highbd_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob,
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scan_order->scan, scan_order->iscan);
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break;
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case TX_8X8:
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vpx_highbd_fdct8x8(src_diff, coeff, diff_stride);
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vp9_highbd_quantize_fp(coeff, 64, x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob,
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scan_order->scan, scan_order->iscan);
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break;
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case TX_4X4:
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x->fwd_txm4x4(src_diff, coeff, diff_stride);
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vp9_highbd_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob,
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scan_order->scan, scan_order->iscan);
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break;
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default:
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assert(0);
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}
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return;
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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switch (tx_size) {
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case TX_32X32:
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fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
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vp9_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob, scan_order->scan,
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scan_order->iscan);
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break;
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case TX_16X16:
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vpx_fdct16x16(src_diff, coeff, diff_stride);
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vp9_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob,
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scan_order->scan, scan_order->iscan);
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break;
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case TX_8X8:
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vp9_fdct8x8_quant(src_diff, diff_stride, coeff, 64,
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x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob,
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scan_order->scan, scan_order->iscan);
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break;
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case TX_4X4:
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x->fwd_txm4x4(src_diff, coeff, diff_stride);
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vp9_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
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pd->dequant, eob,
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scan_order->scan, scan_order->iscan);
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break;
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default:
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assert(0);
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|
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);
|
|
}
|