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/*
* Copyright (c) 2017, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include "aom/aom_integer.h"
#include "av1/common/onyxc_int.h"
#include "av1/common/txb_common.h"
const int16_t av1_coeff_band_4x4[16] = { 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15 };
const int16_t av1_coeff_band_8x8[64] = {
0, 1, 2, 2, 3, 3, 4, 4, 5, 6, 2, 2, 3, 3, 4, 4,
7, 7, 8, 8, 9, 9, 10, 10, 7, 7, 8, 8, 9, 9, 10, 10,
11, 11, 12, 12, 13, 13, 14, 14, 11, 11, 12, 12, 13, 13, 14, 14,
15, 15, 16, 16, 17, 17, 18, 18, 15, 15, 16, 16, 17, 17, 18, 18,
};
const int16_t av1_coeff_band_16x16[256] = {
0, 1, 4, 4, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 2, 3, 4,
4, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 5, 5, 6, 6, 7, 7,
7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 5, 5, 6, 6, 7, 7, 7, 7, 8,
8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12,
13, 13, 13, 13, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13,
13, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 10, 10,
10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15,
15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 14, 14, 14, 14, 15, 15, 15, 15,
16, 16, 16, 16, 17, 17, 17, 17, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16,
16, 17, 17, 17, 17, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17,
17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 18,
18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 18, 18, 18, 18, 19, 19, 19,
19, 20, 20, 20, 20, 21, 21, 21, 21,
};
const int16_t av1_coeff_band_32x32[1024] = {
0, 1, 4, 4, 7, 7, 7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11,
11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 2, 3, 4, 4, 7, 7,
7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12,
12, 12, 12, 12, 12, 12, 12, 5, 5, 6, 6, 7, 7, 7, 7, 10, 10, 10, 10,
10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
12, 5, 5, 6, 6, 7, 7, 7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11,
11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 9,
9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11,
12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10,
10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12,
12, 12, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11,
11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8,
9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11,
11, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14,
14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16,
16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14,
15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13,
13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15,
15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14,
14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16,
16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14,
14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13,
13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15,
15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13,
14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16,
16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14,
14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 17,
17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19,
19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17,
17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20,
20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18,
18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20,
17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19,
19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17,
17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20,
20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18,
18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20,
20, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19,
19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17,
17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19,
20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22,
22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24,
24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23,
23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21,
21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23,
23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22,
22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24,
24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22,
23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21,
21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23,
23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22,
22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24,
24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22,
22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24,
};
#if LV_MAP_PROB
void av1_init_txb_probs(FRAME_CONTEXT *fc) {
TX_SIZE tx_size;
int plane, ctx, level;
// Update probability models for transform block skip flag
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx) {
fc->txb_skip_cdf[tx_size][ctx][0] =
AOM_ICDF(128 * (aom_cdf_prob)fc->txb_skip[tx_size][ctx]);
fc->txb_skip_cdf[tx_size][ctx][1] = AOM_ICDF(32768);
fc->txb_skip_cdf[tx_size][ctx][2] = 0;
}
}
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx) {
fc->dc_sign_cdf[plane][ctx][0] =
AOM_ICDF(128 * (aom_cdf_prob)fc->dc_sign[plane][ctx]);
fc->dc_sign_cdf[plane][ctx][1] = AOM_ICDF(32768);
fc->dc_sign_cdf[plane][ctx][2] = 0;
}
}
// Update probability models for non-zero coefficient map and eob flag.
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (level = 0; level < NUM_BASE_LEVELS; ++level) {
for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx) {
fc->coeff_base_cdf[tx_size][plane][level][ctx][0] = AOM_ICDF(
128 * (aom_cdf_prob)fc->coeff_base[tx_size][plane][level][ctx]);
fc->coeff_base_cdf[tx_size][plane][level][ctx][1] = AOM_ICDF(32768);
fc->coeff_base_cdf[tx_size][plane][level][ctx][2] = 0;
}
}
}
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx) {
fc->nz_map_cdf[tx_size][plane][ctx][0] =
AOM_ICDF(128 * (aom_cdf_prob)fc->nz_map[tx_size][plane][ctx]);
fc->nz_map_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768);
fc->nz_map_cdf[tx_size][plane][ctx][2] = 0;
}
for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx) {
fc->eob_flag_cdf[tx_size][plane][ctx][0] =
AOM_ICDF(128 * (aom_cdf_prob)fc->eob_flag[tx_size][plane][ctx]);
fc->eob_flag_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768);
fc->eob_flag_cdf[tx_size][plane][ctx][2] = 0;
}
}
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_lps_cdf[tx_size][plane][ctx][0] =
AOM_ICDF(128 * (aom_cdf_prob)fc->coeff_lps[tx_size][plane][ctx]);
fc->coeff_lps_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768);
fc->coeff_lps_cdf[tx_size][plane][ctx][2] = 0;
}
#if BR_NODE
for (int br = 0; br < BASE_RANGE_SETS; ++br) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_br_cdf[tx_size][plane][br][ctx][0] = AOM_ICDF(
128 * (aom_cdf_prob)fc->coeff_br[tx_size][plane][br][ctx]);
fc->coeff_br_cdf[tx_size][plane][br][ctx][1] = AOM_ICDF(32768);
fc->coeff_br_cdf[tx_size][plane][br][ctx][2] = 0;
}
}
#endif // BR_NODE
}
}
#if CONFIG_CTX1D
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class) {
fc->eob_mode_cdf[tx_size][plane][tx_class][0] = AOM_ICDF(
128 * (aom_cdf_prob)fc->eob_mode[tx_size][plane][tx_class]);
fc->eob_mode_cdf[tx_size][plane][tx_class][1] = AOM_ICDF(32768);
fc->eob_mode_cdf[tx_size][plane][tx_class][2] = 0;
}
}
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class) {
for (ctx = 0; ctx < EMPTY_LINE_CONTEXTS; ++ctx) {
fc->empty_line_cdf[tx_size][plane][tx_class][ctx][0] = AOM_ICDF(
128 *
(aom_cdf_prob)fc->empty_line[tx_size][plane][tx_class][ctx]);
fc->empty_line_cdf[tx_size][plane][tx_class][ctx][1] =
AOM_ICDF(32768);
fc->empty_line_cdf[tx_size][plane][tx_class][ctx][2] = 0;
}
}
}
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class) {
for (ctx = 0; ctx < HV_EOB_CONTEXTS; ++ctx) {
fc->hv_eob_cdf[tx_size][plane][tx_class][ctx][0] = AOM_ICDF(
128 * (aom_cdf_prob)fc->hv_eob[tx_size][plane][tx_class][ctx]);
fc->hv_eob_cdf[tx_size][plane][tx_class][ctx][1] = AOM_ICDF(32768);
fc->hv_eob_cdf[tx_size][plane][tx_class][ctx][2] = 0;
}
}
}
}
#endif // CONFIG_CTX1D
}
#endif // LV_MAP_PROB
void av1_adapt_txb_probs(AV1_COMMON *cm, unsigned int count_sat,
unsigned int update_factor) {
FRAME_CONTEXT *fc = cm->fc;
const FRAME_CONTEXT *pre_fc = cm->pre_fc;
const FRAME_COUNTS *counts = &cm->counts;
TX_SIZE tx_size;
int plane, ctx, level;
// Update probability models for transform block skip flag
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size)
for (ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx)
fc->txb_skip[tx_size][ctx] = mode_mv_merge_probs(
pre_fc->txb_skip[tx_size][ctx], counts->txb_skip[tx_size][ctx]);
for (plane = 0; plane < PLANE_TYPES; ++plane)
for (ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx)
fc->dc_sign[plane][ctx] = mode_mv_merge_probs(
pre_fc->dc_sign[plane][ctx], counts->dc_sign[plane][ctx]);
// Update probability models for non-zero coefficient map and eob flag.
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size)
for (plane = 0; plane < PLANE_TYPES; ++plane)
for (level = 0; level < NUM_BASE_LEVELS; ++level)
for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx)
fc->coeff_base[tx_size][plane][level][ctx] =
merge_probs(pre_fc->coeff_base[tx_size][plane][level][ctx],
counts->coeff_base[tx_size][plane][level][ctx],
count_sat, update_factor);
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx) {
fc->nz_map[tx_size][plane][ctx] = merge_probs(
pre_fc->nz_map[tx_size][plane][ctx],
counts->nz_map[tx_size][plane][ctx], count_sat, update_factor);
}
for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx) {
fc->eob_flag[tx_size][plane][ctx] = merge_probs(
pre_fc->eob_flag[tx_size][plane][ctx],
counts->eob_flag[tx_size][plane][ctx], count_sat, update_factor);
}
}
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_lps[tx_size][plane][ctx] = merge_probs(
pre_fc->coeff_lps[tx_size][plane][ctx],
counts->coeff_lps[tx_size][plane][ctx], count_sat, update_factor);
}
#if BR_NODE
for (int br = 0; br < BASE_RANGE_SETS; ++br) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_br[tx_size][plane][br][ctx] =
merge_probs(pre_fc->coeff_br[tx_size][plane][br][ctx],
counts->coeff_br[tx_size][plane][br][ctx], count_sat,
update_factor);
}
}
#endif // BR_NODE
}
}
#if CONFIG_CTX1D
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane)
for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
fc->eob_mode[tx_size][plane][tx_class] =
merge_probs(pre_fc->eob_mode[tx_size][plane][tx_class],
counts->eob_mode[tx_size][plane][tx_class], count_sat,
update_factor);
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane)
for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
for (ctx = 0; ctx < EMPTY_LINE_CONTEXTS; ++ctx)
fc->empty_line[tx_size][plane][tx_class][ctx] =
merge_probs(pre_fc->empty_line[tx_size][plane][tx_class][ctx],
counts->empty_line[tx_size][plane][tx_class][ctx],
count_sat, update_factor);
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane)
for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
for (ctx = 0; ctx < HV_EOB_CONTEXTS; ++ctx)
fc->hv_eob[tx_size][plane][tx_class][ctx] =
merge_probs(pre_fc->hv_eob[tx_size][plane][tx_class][ctx],
counts->hv_eob[tx_size][plane][tx_class][ctx],
count_sat, update_factor);
}
#endif
}
void av1_init_lv_map(AV1_COMMON *cm) {
LV_MAP_CTX_TABLE *coeff_ctx_table = &cm->coeff_ctx_table;
for (int row = 0; row < 2; ++row) {
for (int col = 0; col < 2; ++col) {
for (int sig_mag = 0; sig_mag < 2; ++sig_mag) {
for (int count = 0; count < BASE_CONTEXT_POSITION_NUM + 1; ++count) {
coeff_ctx_table->base_ctx_table[row][col][sig_mag][count] =
get_base_ctx_from_count_mag(row, col, count, sig_mag);
}
}
}
}
}
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