0d085ebc0a
Prepare for the introduction of frame-size change logic into the recode loop. Separated the speed dependent features into separate static and dynamic parts, the latter being those features that are dependent on the frame size. Change-Id: Ia693e28c5cf069a1a7bf12e49ecf83e440e1d313
645 lines
23 KiB
C
645 lines
23 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 <assert.h>
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#include <math.h>
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#include <stdio.h>
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#include "./vp9_rtcd.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vp9/common/vp9_common.h"
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#include "vp9/common/vp9_entropy.h"
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#include "vp9/common/vp9_entropymode.h"
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#include "vp9/common/vp9_mvref_common.h"
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#include "vp9/common/vp9_pred_common.h"
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#include "vp9/common/vp9_quant_common.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_seg_common.h"
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#include "vp9/common/vp9_systemdependent.h"
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#include "vp9/encoder/vp9_cost.h"
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#include "vp9/encoder/vp9_encodemb.h"
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#include "vp9/encoder/vp9_encodemv.h"
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#include "vp9/encoder/vp9_encoder.h"
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#include "vp9/encoder/vp9_mcomp.h"
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#include "vp9/encoder/vp9_quantize.h"
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#include "vp9/encoder/vp9_ratectrl.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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#include "vp9/encoder/vp9_variance.h"
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#define RD_THRESH_POW 1.25
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#define RD_MULT_EPB_RATIO 64
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// Factor to weigh the rate for switchable interp filters.
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#define SWITCHABLE_INTERP_RATE_FACTOR 1
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void vp9_rd_cost_reset(RD_COST *rd_cost) {
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rd_cost->rate = INT_MAX;
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rd_cost->dist = INT64_MAX;
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rd_cost->rdcost = INT64_MAX;
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}
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void vp9_rd_cost_init(RD_COST *rd_cost) {
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rd_cost->rate = 0;
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rd_cost->dist = 0;
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rd_cost->rdcost = 0;
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}
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// The baseline rd thresholds for breaking out of the rd loop for
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// certain modes are assumed to be based on 8x8 blocks.
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// This table is used to correct for block size.
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// The factors here are << 2 (2 = x0.5, 32 = x8 etc).
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static const uint8_t rd_thresh_block_size_factor[BLOCK_SIZES] = {
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2, 3, 3, 4, 6, 6, 8, 12, 12, 16, 24, 24, 32
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};
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static void fill_mode_costs(VP9_COMP *cpi) {
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const FRAME_CONTEXT *const fc = cpi->common.fc;
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int i, j;
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for (i = 0; i < INTRA_MODES; ++i)
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for (j = 0; j < INTRA_MODES; ++j)
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vp9_cost_tokens(cpi->y_mode_costs[i][j], vp9_kf_y_mode_prob[i][j],
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vp9_intra_mode_tree);
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vp9_cost_tokens(cpi->mbmode_cost, fc->y_mode_prob[1], vp9_intra_mode_tree);
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vp9_cost_tokens(cpi->intra_uv_mode_cost[KEY_FRAME],
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vp9_kf_uv_mode_prob[TM_PRED], vp9_intra_mode_tree);
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vp9_cost_tokens(cpi->intra_uv_mode_cost[INTER_FRAME],
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fc->uv_mode_prob[TM_PRED], vp9_intra_mode_tree);
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for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i)
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vp9_cost_tokens(cpi->switchable_interp_costs[i],
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fc->switchable_interp_prob[i], vp9_switchable_interp_tree);
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}
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static void fill_token_costs(vp9_coeff_cost *c,
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vp9_coeff_probs_model (*p)[PLANE_TYPES]) {
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int i, j, k, l;
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TX_SIZE t;
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for (t = TX_4X4; t <= TX_32X32; ++t)
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for (i = 0; i < PLANE_TYPES; ++i)
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for (j = 0; j < REF_TYPES; ++j)
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for (k = 0; k < COEF_BANDS; ++k)
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for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
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vp9_prob probs[ENTROPY_NODES];
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vp9_model_to_full_probs(p[t][i][j][k][l], probs);
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vp9_cost_tokens((int *)c[t][i][j][k][0][l], probs,
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vp9_coef_tree);
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vp9_cost_tokens_skip((int *)c[t][i][j][k][1][l], probs,
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vp9_coef_tree);
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assert(c[t][i][j][k][0][l][EOB_TOKEN] ==
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c[t][i][j][k][1][l][EOB_TOKEN]);
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}
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}
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// Values are now correlated to quantizer.
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static int sad_per_bit16lut_8[QINDEX_RANGE];
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static int sad_per_bit4lut_8[QINDEX_RANGE];
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#if CONFIG_VP9_HIGHBITDEPTH
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static int sad_per_bit16lut_10[QINDEX_RANGE];
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static int sad_per_bit4lut_10[QINDEX_RANGE];
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static int sad_per_bit16lut_12[QINDEX_RANGE];
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static int sad_per_bit4lut_12[QINDEX_RANGE];
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#endif
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static void init_me_luts_bd(int *bit16lut, int *bit4lut, int range,
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vpx_bit_depth_t bit_depth) {
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int i;
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// Initialize the sad lut tables using a formulaic calculation for now.
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// This is to make it easier to resolve the impact of experimental changes
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// to the quantizer tables.
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for (i = 0; i < range; i++) {
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const double q = vp9_convert_qindex_to_q(i, bit_depth);
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bit16lut[i] = (int)(0.0418 * q + 2.4107);
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bit4lut[i] = (int)(0.063 * q + 2.742);
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}
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}
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void vp9_init_me_luts() {
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init_me_luts_bd(sad_per_bit16lut_8, sad_per_bit4lut_8, QINDEX_RANGE,
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VPX_BITS_8);
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#if CONFIG_VP9_HIGHBITDEPTH
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init_me_luts_bd(sad_per_bit16lut_10, sad_per_bit4lut_10, QINDEX_RANGE,
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VPX_BITS_10);
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init_me_luts_bd(sad_per_bit16lut_12, sad_per_bit4lut_12, QINDEX_RANGE,
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VPX_BITS_12);
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#endif
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}
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static const int rd_boost_factor[16] = {
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64, 32, 32, 32, 24, 16, 12, 12,
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8, 8, 4, 4, 2, 2, 1, 0
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};
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static const int rd_frame_type_factor[FRAME_UPDATE_TYPES] = {
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128, 144, 128, 128, 144
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};
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int vp9_compute_rd_mult(const VP9_COMP *cpi, int qindex) {
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const int64_t q = vp9_dc_quant(qindex, 0, cpi->common.bit_depth);
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#if CONFIG_VP9_HIGHBITDEPTH
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int64_t rdmult = 0;
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switch (cpi->common.bit_depth) {
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case VPX_BITS_8:
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rdmult = 88 * q * q / 24;
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break;
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case VPX_BITS_10:
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rdmult = ROUND_POWER_OF_TWO(88 * q * q / 24, 4);
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break;
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case VPX_BITS_12:
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rdmult = ROUND_POWER_OF_TWO(88 * q * q / 24, 8);
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break;
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default:
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assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
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return -1;
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}
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#else
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int64_t rdmult = 88 * q * q / 24;
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#endif // CONFIG_VP9_HIGHBITDEPTH
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if (cpi->oxcf.pass == 2 && (cpi->common.frame_type != KEY_FRAME)) {
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const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
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const FRAME_UPDATE_TYPE frame_type = gf_group->update_type[gf_group->index];
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const int boost_index = MIN(15, (cpi->rc.gfu_boost / 100));
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rdmult = (rdmult * rd_frame_type_factor[frame_type]) >> 7;
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rdmult += ((rdmult * rd_boost_factor[boost_index]) >> 7);
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}
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return (int)rdmult;
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}
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static int compute_rd_thresh_factor(int qindex, vpx_bit_depth_t bit_depth) {
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double q;
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#if CONFIG_VP9_HIGHBITDEPTH
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switch (bit_depth) {
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case VPX_BITS_8:
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q = vp9_dc_quant(qindex, 0, VPX_BITS_8) / 4.0;
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break;
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case VPX_BITS_10:
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q = vp9_dc_quant(qindex, 0, VPX_BITS_10) / 16.0;
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break;
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case VPX_BITS_12:
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q = vp9_dc_quant(qindex, 0, VPX_BITS_12) / 64.0;
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break;
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default:
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assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
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return -1;
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}
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#else
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(void) bit_depth;
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q = vp9_dc_quant(qindex, 0, VPX_BITS_8) / 4.0;
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#endif // CONFIG_VP9_HIGHBITDEPTH
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// TODO(debargha): Adjust the function below.
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return MAX((int)(pow(q, RD_THRESH_POW) * 5.12), 8);
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}
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void vp9_initialize_me_consts(VP9_COMP *cpi, int qindex) {
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#if CONFIG_VP9_HIGHBITDEPTH
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switch (cpi->common.bit_depth) {
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case VPX_BITS_8:
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cpi->mb.sadperbit16 = sad_per_bit16lut_8[qindex];
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cpi->mb.sadperbit4 = sad_per_bit4lut_8[qindex];
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break;
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case VPX_BITS_10:
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cpi->mb.sadperbit16 = sad_per_bit16lut_10[qindex];
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cpi->mb.sadperbit4 = sad_per_bit4lut_10[qindex];
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break;
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case VPX_BITS_12:
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cpi->mb.sadperbit16 = sad_per_bit16lut_12[qindex];
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cpi->mb.sadperbit4 = sad_per_bit4lut_12[qindex];
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break;
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default:
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assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
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}
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#else
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cpi->mb.sadperbit16 = sad_per_bit16lut_8[qindex];
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cpi->mb.sadperbit4 = sad_per_bit4lut_8[qindex];
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#endif // CONFIG_VP9_HIGHBITDEPTH
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}
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static void set_block_thresholds(const VP9_COMMON *cm, RD_OPT *rd) {
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int i, bsize, segment_id;
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for (segment_id = 0; segment_id < MAX_SEGMENTS; ++segment_id) {
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const int qindex =
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clamp(vp9_get_qindex(&cm->seg, segment_id, cm->base_qindex) +
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cm->y_dc_delta_q, 0, MAXQ);
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const int q = compute_rd_thresh_factor(qindex, cm->bit_depth);
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for (bsize = 0; bsize < BLOCK_SIZES; ++bsize) {
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// Threshold here seems unnecessarily harsh but fine given actual
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// range of values used for cpi->sf.thresh_mult[].
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const int t = q * rd_thresh_block_size_factor[bsize];
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const int thresh_max = INT_MAX / t;
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if (bsize >= BLOCK_8X8) {
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for (i = 0; i < MAX_MODES; ++i)
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rd->threshes[segment_id][bsize][i] =
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rd->thresh_mult[i] < thresh_max
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? rd->thresh_mult[i] * t / 4
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: INT_MAX;
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} else {
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for (i = 0; i < MAX_REFS; ++i)
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rd->threshes[segment_id][bsize][i] =
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rd->thresh_mult_sub8x8[i] < thresh_max
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? rd->thresh_mult_sub8x8[i] * t / 4
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: INT_MAX;
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}
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}
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}
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}
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void vp9_initialize_rd_consts(VP9_COMP *cpi) {
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VP9_COMMON *const cm = &cpi->common;
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MACROBLOCK *const x = &cpi->mb;
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RD_OPT *const rd = &cpi->rd;
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int i;
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vp9_clear_system_state();
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rd->RDDIV = RDDIV_BITS; // In bits (to multiply D by 128).
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rd->RDMULT = vp9_compute_rd_mult(cpi, cm->base_qindex + cm->y_dc_delta_q);
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x->errorperbit = rd->RDMULT / RD_MULT_EPB_RATIO;
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x->errorperbit += (x->errorperbit == 0);
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x->select_tx_size = (cpi->sf.tx_size_search_method == USE_LARGESTALL &&
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cm->frame_type != KEY_FRAME) ? 0 : 1;
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set_block_thresholds(cm, rd);
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if (!cpi->sf.use_nonrd_pick_mode || cm->frame_type == KEY_FRAME) {
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fill_token_costs(x->token_costs, cm->fc->coef_probs);
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for (i = 0; i < PARTITION_CONTEXTS; ++i)
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vp9_cost_tokens(cpi->partition_cost[i], get_partition_probs(cm, i),
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vp9_partition_tree);
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}
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if (!cpi->sf.use_nonrd_pick_mode || (cm->current_video_frame & 0x07) == 1 ||
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cm->frame_type == KEY_FRAME) {
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fill_mode_costs(cpi);
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if (!frame_is_intra_only(cm)) {
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vp9_build_nmv_cost_table(x->nmvjointcost,
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cm->allow_high_precision_mv ? x->nmvcost_hp
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: x->nmvcost,
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&cm->fc->nmvc, cm->allow_high_precision_mv);
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for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
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vp9_cost_tokens((int *)cpi->inter_mode_cost[i],
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cm->fc->inter_mode_probs[i], vp9_inter_mode_tree);
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}
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}
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}
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static void model_rd_norm(int xsq_q10, int *r_q10, int *d_q10) {
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// NOTE: The tables below must be of the same size.
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// The functions described below are sampled at the four most significant
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// bits of x^2 + 8 / 256.
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// Normalized rate:
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// This table models the rate for a Laplacian source with given variance
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// when quantized with a uniform quantizer with given stepsize. The
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// closed form expression is:
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// Rn(x) = H(sqrt(r)) + sqrt(r)*[1 + H(r)/(1 - r)],
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// where r = exp(-sqrt(2) * x) and x = qpstep / sqrt(variance),
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// and H(x) is the binary entropy function.
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static const int rate_tab_q10[] = {
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65536, 6086, 5574, 5275, 5063, 4899, 4764, 4651,
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4553, 4389, 4255, 4142, 4044, 3958, 3881, 3811,
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3748, 3635, 3538, 3453, 3376, 3307, 3244, 3186,
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3133, 3037, 2952, 2877, 2809, 2747, 2690, 2638,
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2589, 2501, 2423, 2353, 2290, 2232, 2179, 2130,
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2084, 2001, 1928, 1862, 1802, 1748, 1698, 1651,
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1608, 1530, 1460, 1398, 1342, 1290, 1243, 1199,
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1159, 1086, 1021, 963, 911, 864, 821, 781,
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745, 680, 623, 574, 530, 490, 455, 424,
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395, 345, 304, 269, 239, 213, 190, 171,
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154, 126, 104, 87, 73, 61, 52, 44,
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38, 28, 21, 16, 12, 10, 8, 6,
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5, 3, 2, 1, 1, 1, 0, 0,
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};
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// Normalized distortion:
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// This table models the normalized distortion for a Laplacian source
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// with given variance when quantized with a uniform quantizer
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// with given stepsize. The closed form expression is:
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// Dn(x) = 1 - 1/sqrt(2) * x / sinh(x/sqrt(2))
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// where x = qpstep / sqrt(variance).
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// Note the actual distortion is Dn * variance.
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static const int dist_tab_q10[] = {
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0, 0, 1, 1, 1, 2, 2, 2,
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3, 3, 4, 5, 5, 6, 7, 7,
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8, 9, 11, 12, 13, 15, 16, 17,
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18, 21, 24, 26, 29, 31, 34, 36,
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39, 44, 49, 54, 59, 64, 69, 73,
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78, 88, 97, 106, 115, 124, 133, 142,
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151, 167, 184, 200, 215, 231, 245, 260,
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274, 301, 327, 351, 375, 397, 418, 439,
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458, 495, 528, 559, 587, 613, 637, 659,
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680, 717, 749, 777, 801, 823, 842, 859,
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874, 899, 919, 936, 949, 960, 969, 977,
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983, 994, 1001, 1006, 1010, 1013, 1015, 1017,
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1018, 1020, 1022, 1022, 1023, 1023, 1023, 1024,
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};
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static const int xsq_iq_q10[] = {
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0, 4, 8, 12, 16, 20, 24, 28,
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32, 40, 48, 56, 64, 72, 80, 88,
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96, 112, 128, 144, 160, 176, 192, 208,
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224, 256, 288, 320, 352, 384, 416, 448,
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480, 544, 608, 672, 736, 800, 864, 928,
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992, 1120, 1248, 1376, 1504, 1632, 1760, 1888,
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2016, 2272, 2528, 2784, 3040, 3296, 3552, 3808,
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4064, 4576, 5088, 5600, 6112, 6624, 7136, 7648,
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8160, 9184, 10208, 11232, 12256, 13280, 14304, 15328,
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16352, 18400, 20448, 22496, 24544, 26592, 28640, 30688,
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32736, 36832, 40928, 45024, 49120, 53216, 57312, 61408,
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65504, 73696, 81888, 90080, 98272, 106464, 114656, 122848,
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131040, 147424, 163808, 180192, 196576, 212960, 229344, 245728,
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};
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const int tmp = (xsq_q10 >> 2) + 8;
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const int k = get_msb(tmp) - 3;
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const int xq = (k << 3) + ((tmp >> k) & 0x7);
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const int one_q10 = 1 << 10;
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const int a_q10 = ((xsq_q10 - xsq_iq_q10[xq]) << 10) >> (2 + k);
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const int b_q10 = one_q10 - a_q10;
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*r_q10 = (rate_tab_q10[xq] * b_q10 + rate_tab_q10[xq + 1] * a_q10) >> 10;
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*d_q10 = (dist_tab_q10[xq] * b_q10 + dist_tab_q10[xq + 1] * a_q10) >> 10;
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}
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void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
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unsigned int qstep, int *rate,
|
|
int64_t *dist) {
|
|
// This function models the rate and distortion for a Laplacian
|
|
// source with given variance when quantized with a uniform quantizer
|
|
// with given stepsize. The closed form expressions are in:
|
|
// Hang and Chen, "Source Model for transform video coder and its
|
|
// application - Part I: Fundamental Theory", IEEE Trans. Circ.
|
|
// Sys. for Video Tech., April 1997.
|
|
if (var == 0) {
|
|
*rate = 0;
|
|
*dist = 0;
|
|
} else {
|
|
int d_q10, r_q10;
|
|
static const uint32_t MAX_XSQ_Q10 = 245727;
|
|
const uint64_t xsq_q10_64 =
|
|
((((uint64_t)qstep * qstep * n) << 10) + (var >> 1)) / var;
|
|
const int xsq_q10 = (int)MIN(xsq_q10_64, MAX_XSQ_Q10);
|
|
model_rd_norm(xsq_q10, &r_q10, &d_q10);
|
|
*rate = (n * r_q10 + 2) >> 2;
|
|
*dist = (var * (int64_t)d_q10 + 512) >> 10;
|
|
}
|
|
}
|
|
|
|
void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
|
|
const struct macroblockd_plane *pd,
|
|
ENTROPY_CONTEXT t_above[16],
|
|
ENTROPY_CONTEXT t_left[16]) {
|
|
const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
|
|
const int num_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize];
|
|
const int num_4x4_h = num_4x4_blocks_high_lookup[plane_bsize];
|
|
const ENTROPY_CONTEXT *const above = pd->above_context;
|
|
const ENTROPY_CONTEXT *const left = pd->left_context;
|
|
|
|
int i;
|
|
switch (tx_size) {
|
|
case TX_4X4:
|
|
vpx_memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
|
|
vpx_memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
|
|
break;
|
|
case TX_8X8:
|
|
for (i = 0; i < num_4x4_w; i += 2)
|
|
t_above[i] = !!*(const uint16_t *)&above[i];
|
|
for (i = 0; i < num_4x4_h; i += 2)
|
|
t_left[i] = !!*(const uint16_t *)&left[i];
|
|
break;
|
|
case TX_16X16:
|
|
for (i = 0; i < num_4x4_w; i += 4)
|
|
t_above[i] = !!*(const uint32_t *)&above[i];
|
|
for (i = 0; i < num_4x4_h; i += 4)
|
|
t_left[i] = !!*(const uint32_t *)&left[i];
|
|
break;
|
|
case TX_32X32:
|
|
for (i = 0; i < num_4x4_w; i += 8)
|
|
t_above[i] = !!*(const uint64_t *)&above[i];
|
|
for (i = 0; i < num_4x4_h; i += 8)
|
|
t_left[i] = !!*(const uint64_t *)&left[i];
|
|
break;
|
|
default:
|
|
assert(0 && "Invalid transform size.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void vp9_mv_pred(VP9_COMP *cpi, MACROBLOCK *x,
|
|
uint8_t *ref_y_buffer, int ref_y_stride,
|
|
int ref_frame, BLOCK_SIZE block_size) {
|
|
MACROBLOCKD *xd = &x->e_mbd;
|
|
MB_MODE_INFO *mbmi = &xd->mi[0].src_mi->mbmi;
|
|
int i;
|
|
int zero_seen = 0;
|
|
int best_index = 0;
|
|
int best_sad = INT_MAX;
|
|
int this_sad = INT_MAX;
|
|
int max_mv = 0;
|
|
uint8_t *src_y_ptr = x->plane[0].src.buf;
|
|
uint8_t *ref_y_ptr;
|
|
const int num_mv_refs = MAX_MV_REF_CANDIDATES +
|
|
(cpi->sf.adaptive_motion_search &&
|
|
block_size < cpi->sf.max_partition_size);
|
|
|
|
MV pred_mv[3];
|
|
pred_mv[0] = mbmi->ref_mvs[ref_frame][0].as_mv;
|
|
pred_mv[1] = mbmi->ref_mvs[ref_frame][1].as_mv;
|
|
pred_mv[2] = x->pred_mv[ref_frame];
|
|
|
|
// Get the sad for each candidate reference mv.
|
|
for (i = 0; i < num_mv_refs; ++i) {
|
|
const MV *this_mv = &pred_mv[i];
|
|
|
|
max_mv = MAX(max_mv, MAX(abs(this_mv->row), abs(this_mv->col)) >> 3);
|
|
if (is_zero_mv(this_mv) && zero_seen)
|
|
continue;
|
|
|
|
zero_seen |= is_zero_mv(this_mv);
|
|
|
|
ref_y_ptr =
|
|
&ref_y_buffer[ref_y_stride * (this_mv->row >> 3) + (this_mv->col >> 3)];
|
|
|
|
// Find sad for current vector.
|
|
this_sad = cpi->fn_ptr[block_size].sdf(src_y_ptr, x->plane[0].src.stride,
|
|
ref_y_ptr, ref_y_stride);
|
|
|
|
// Note if it is the best so far.
|
|
if (this_sad < best_sad) {
|
|
best_sad = this_sad;
|
|
best_index = i;
|
|
}
|
|
}
|
|
|
|
// Note the index of the mv that worked best in the reference list.
|
|
x->mv_best_ref_index[ref_frame] = best_index;
|
|
x->max_mv_context[ref_frame] = max_mv;
|
|
x->pred_mv_sad[ref_frame] = best_sad;
|
|
}
|
|
|
|
void vp9_setup_pred_block(const MACROBLOCKD *xd,
|
|
struct buf_2d dst[MAX_MB_PLANE],
|
|
const YV12_BUFFER_CONFIG *src,
|
|
int mi_row, int mi_col,
|
|
const struct scale_factors *scale,
|
|
const struct scale_factors *scale_uv) {
|
|
int i;
|
|
|
|
dst[0].buf = src->y_buffer;
|
|
dst[0].stride = src->y_stride;
|
|
dst[1].buf = src->u_buffer;
|
|
dst[2].buf = src->v_buffer;
|
|
dst[1].stride = dst[2].stride = src->uv_stride;
|
|
|
|
for (i = 0; i < MAX_MB_PLANE; ++i) {
|
|
setup_pred_plane(dst + i, dst[i].buf, dst[i].stride, mi_row, mi_col,
|
|
i ? scale_uv : scale,
|
|
xd->plane[i].subsampling_x, xd->plane[i].subsampling_y);
|
|
}
|
|
}
|
|
|
|
const YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const VP9_COMP *cpi,
|
|
int ref_frame) {
|
|
const VP9_COMMON *const cm = &cpi->common;
|
|
const int ref_idx = cm->ref_frame_map[get_ref_frame_idx(cpi, ref_frame)];
|
|
const int scaled_idx = cpi->scaled_ref_idx[ref_frame - 1];
|
|
return (scaled_idx != ref_idx) ? &cm->frame_bufs[scaled_idx].buf : NULL;
|
|
}
|
|
|
|
int vp9_get_switchable_rate(const VP9_COMP *cpi) {
|
|
const MACROBLOCKD *const xd = &cpi->mb.e_mbd;
|
|
const MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
|
|
const int ctx = vp9_get_pred_context_switchable_interp(xd);
|
|
return SWITCHABLE_INTERP_RATE_FACTOR *
|
|
cpi->switchable_interp_costs[ctx][mbmi->interp_filter];
|
|
}
|
|
|
|
void vp9_set_rd_speed_thresholds(VP9_COMP *cpi) {
|
|
int i;
|
|
RD_OPT *const rd = &cpi->rd;
|
|
SPEED_FEATURES *const sf = &cpi->sf;
|
|
|
|
// Set baseline threshold values.
|
|
for (i = 0; i < MAX_MODES; ++i)
|
|
rd->thresh_mult[i] = cpi->oxcf.mode == BEST ? -500 : 0;
|
|
|
|
if (sf->adaptive_rd_thresh) {
|
|
rd->thresh_mult[THR_NEARESTMV] = 300;
|
|
rd->thresh_mult[THR_NEARESTG] = 300;
|
|
rd->thresh_mult[THR_NEARESTA] = 300;
|
|
} else {
|
|
rd->thresh_mult[THR_NEARESTMV] = 0;
|
|
rd->thresh_mult[THR_NEARESTG] = 0;
|
|
rd->thresh_mult[THR_NEARESTA] = 0;
|
|
}
|
|
|
|
rd->thresh_mult[THR_DC] += 1000;
|
|
|
|
rd->thresh_mult[THR_NEWMV] += 1000;
|
|
rd->thresh_mult[THR_NEWA] += 1000;
|
|
rd->thresh_mult[THR_NEWG] += 1000;
|
|
|
|
// Adjust threshold only in real time mode, which only uses last
|
|
// reference frame.
|
|
rd->thresh_mult[THR_NEWMV] += sf->elevate_newmv_thresh;
|
|
|
|
rd->thresh_mult[THR_NEARMV] += 1000;
|
|
rd->thresh_mult[THR_NEARA] += 1000;
|
|
rd->thresh_mult[THR_COMP_NEARESTLA] += 1000;
|
|
rd->thresh_mult[THR_COMP_NEARESTGA] += 1000;
|
|
|
|
rd->thresh_mult[THR_TM] += 1000;
|
|
|
|
rd->thresh_mult[THR_COMP_NEARLA] += 1500;
|
|
rd->thresh_mult[THR_COMP_NEWLA] += 2000;
|
|
rd->thresh_mult[THR_NEARG] += 1000;
|
|
rd->thresh_mult[THR_COMP_NEARGA] += 1500;
|
|
rd->thresh_mult[THR_COMP_NEWGA] += 2000;
|
|
|
|
rd->thresh_mult[THR_ZEROMV] += 2000;
|
|
rd->thresh_mult[THR_ZEROG] += 2000;
|
|
rd->thresh_mult[THR_ZEROA] += 2000;
|
|
rd->thresh_mult[THR_COMP_ZEROLA] += 2500;
|
|
rd->thresh_mult[THR_COMP_ZEROGA] += 2500;
|
|
|
|
rd->thresh_mult[THR_H_PRED] += 2000;
|
|
rd->thresh_mult[THR_V_PRED] += 2000;
|
|
rd->thresh_mult[THR_D45_PRED ] += 2500;
|
|
rd->thresh_mult[THR_D135_PRED] += 2500;
|
|
rd->thresh_mult[THR_D117_PRED] += 2500;
|
|
rd->thresh_mult[THR_D153_PRED] += 2500;
|
|
rd->thresh_mult[THR_D207_PRED] += 2500;
|
|
rd->thresh_mult[THR_D63_PRED] += 2500;
|
|
}
|
|
|
|
void vp9_set_rd_speed_thresholds_sub8x8(VP9_COMP *cpi) {
|
|
static const int thresh_mult[2][MAX_REFS] =
|
|
{{2500, 2500, 2500, 4500, 4500, 2500},
|
|
{2000, 2000, 2000, 4000, 4000, 2000}};
|
|
RD_OPT *const rd = &cpi->rd;
|
|
const int idx = cpi->oxcf.mode == BEST;
|
|
vpx_memcpy(rd->thresh_mult_sub8x8, thresh_mult[idx],
|
|
sizeof(thresh_mult[idx]));
|
|
}
|
|
|
|
void vp9_update_rd_thresh_fact(int (*factor_buf)[MAX_MODES], int rd_thresh,
|
|
int bsize, int best_mode_index) {
|
|
if (rd_thresh > 0) {
|
|
const int top_mode = bsize < BLOCK_8X8 ? MAX_REFS : MAX_MODES;
|
|
int mode;
|
|
for (mode = 0; mode < top_mode; ++mode) {
|
|
const BLOCK_SIZE min_size = MAX(bsize - 1, BLOCK_4X4);
|
|
const BLOCK_SIZE max_size = MIN(bsize + 2, BLOCK_64X64);
|
|
BLOCK_SIZE bs;
|
|
for (bs = min_size; bs <= max_size; ++bs) {
|
|
int *const fact = &factor_buf[bs][mode];
|
|
if (mode == best_mode_index) {
|
|
*fact -= (*fact >> 4);
|
|
} else {
|
|
*fact = MIN(*fact + RD_THRESH_INC,
|
|
rd_thresh * RD_THRESH_MAX_FACT);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int vp9_get_intra_cost_penalty(int qindex, int qdelta,
|
|
vpx_bit_depth_t bit_depth) {
|
|
const int q = vp9_dc_quant(qindex, qdelta, bit_depth);
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
switch (bit_depth) {
|
|
case VPX_BITS_8:
|
|
return 20 * q;
|
|
case VPX_BITS_10:
|
|
return 5 * q;
|
|
case VPX_BITS_12:
|
|
return ROUND_POWER_OF_TWO(5 * q, 2);
|
|
default:
|
|
assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
|
|
return -1;
|
|
}
|
|
#else
|
|
return 20 * q;
|
|
#endif // CONFIG_VP9_HIGHBITDEPTH
|
|
}
|
|
|