blob: e40f104208452957868bfba142769c25ec48291f [file] [log] [blame]
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at 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
#include "av1/common/entropy.h"
#include "av1/encoder/block.h"
#include "aom_dsp/bitwriter.h"
#ifdef __cplusplus
extern "C" {
typedef struct {
aom_cdf_prob *color_map_cdf;
uint8_t token;
aom_cdf_prob *identity_row_cdf;
uint8_t identity_row_flag;
} TokenExtra;
typedef struct {
TokenExtra *start;
unsigned int count;
} TokenList;
typedef struct {
// tile_tok[i][j] is a pointer to the buffer storing palette tokens of the ith
// tile row, jth tile column.
TokenExtra *tile_tok[MAX_TILE_ROWS][MAX_TILE_COLS];
// tplist[i][j][k] holds the start pointer of tile_tok[i][j] and the count of
// palette tokens for the kth superblock row of the ith tile row, jth tile
// column.
TokenList *tplist[MAX_TILE_ROWS][MAX_TILE_COLS];
} TokenInfo;
struct AV1_COMP;
struct ThreadData;
enum {
struct tokenize_b_args {
const struct AV1_COMP *cpi;
struct ThreadData *td;
int this_rate;
uint8_t allow_update_cdf;
RUN_TYPE dry_run;
// Note in all the tokenize functions rate if non NULL is incremented
// with the coefficient token cost only if dry_run = DRY_RUN_COSTCOEFS,
// otherwise rate is not incremented.
void av1_tokenize_sb_vartx(const struct AV1_COMP *cpi, struct ThreadData *td,
RUN_TYPE dry_run, BLOCK_SIZE bsize, int *rate,
uint8_t allow_update_cdf, int plane_start,
int plane_end);
int av1_cost_color_map(const MACROBLOCK *const x, int plane, BLOCK_SIZE bsize,
TX_SIZE tx_size, COLOR_MAP_TYPE type);
void av1_tokenize_color_map(const MACROBLOCK *const x, int plane,
TokenExtra **t, BLOCK_SIZE bsize, TX_SIZE tx_size,
COLOR_MAP_TYPE type, int allow_update_cdf,
struct FRAME_COUNTS *counts);
static INLINE int av1_get_tx_eob(const struct segmentation *seg, int segment_id,
TX_SIZE tx_size) {
const int eob_max = av1_get_max_eob(tx_size);
return segfeature_active(seg, segment_id, SEG_LVL_SKIP) ? 0 : eob_max;
// Token buffer is only used for palette tokens.
static INLINE unsigned int get_token_alloc(int mb_rows, int mb_cols,
int sb_size_log2,
const int num_planes) {
// Calculate the maximum number of max superblocks in the image.
const int shift = sb_size_log2 - 4;
const int sb_size = 1 << sb_size_log2;
const int sb_size_square = sb_size * sb_size;
const int sb_rows = ALIGN_POWER_OF_TWO(mb_rows, shift) >> shift;
const int sb_cols = ALIGN_POWER_OF_TWO(mb_cols, shift) >> shift;
// One palette token for each pixel. There can be palettes on two planes.
const int sb_palette_toks = AOMMIN(2, num_planes) * sb_size_square;
return sb_rows * sb_cols * sb_palette_toks;
// Allocate memory for token related info.
static AOM_INLINE void alloc_token_info(AV1_COMMON *cm, TokenInfo *token_info) {
int mi_rows_aligned_to_sb =
ALIGN_POWER_OF_TWO(cm->mi_params.mi_rows, cm->seq_params.mib_size_log2);
int sb_rows = mi_rows_aligned_to_sb >> cm->seq_params.mib_size_log2;
const int num_planes = av1_num_planes(cm);
unsigned int tokens =
get_token_alloc(cm->mi_params.mb_rows, cm->mi_params.mb_cols,
MAX_SB_SIZE_LOG2, num_planes);
cm, token_info->tile_tok[0][0],
(TokenExtra *)aom_calloc(tokens, sizeof(*token_info->tile_tok[0][0])));
cm, token_info->tplist[0][0],
(TokenList *)aom_calloc(sb_rows * MAX_TILE_ROWS * MAX_TILE_COLS,
// Free memory from token related variables.
static AOM_INLINE void free_token_info(TokenInfo *token_info) {
token_info->tile_tok[0][0] = NULL;
token_info->tplist[0][0] = NULL;
#ifdef __cplusplus
} // extern "C"