62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2016, 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 "av1/common/tile_common.h"
|
|
#include "av1/common/onyxc_int.h"
|
|
#include "aom_dsp/aom_dsp_common.h"
|
|
|
|
void av1_tile_set_row(TileInfo *tile, const AV1_COMMON *cm, int row) {
|
|
tile->mi_row_start = row * cm->tile_height;
|
|
tile->mi_row_end = AOMMIN(tile->mi_row_start + cm->tile_height, cm->mi_rows);
|
|
}
|
|
|
|
void av1_tile_set_col(TileInfo *tile, const AV1_COMMON *cm, int col) {
|
|
tile->mi_col_start = col * cm->tile_width;
|
|
tile->mi_col_end = AOMMIN(tile->mi_col_start + cm->tile_width, cm->mi_cols);
|
|
}
|
|
|
|
void av1_tile_init(TileInfo *tile, const AV1_COMMON *cm, int row, int col) {
|
|
av1_tile_set_row(tile, cm, row);
|
|
av1_tile_set_col(tile, cm, col);
|
|
}
|
|
|
|
#if !CONFIG_EXT_TILE
|
|
|
|
#if CONFIG_EXT_PARTITION
|
|
#define MIN_TILE_WIDTH_MAX_SB 2
|
|
#define MAX_TILE_WIDTH_MAX_SB 32
|
|
#else
|
|
#define MIN_TILE_WIDTH_MAX_SB 4
|
|
#define MAX_TILE_WIDTH_MAX_SB 64
|
|
#endif // CONFIG_EXT_PARTITION
|
|
|
|
static int get_min_log2_tile_cols(const int max_sb_cols) {
|
|
int min_log2 = 0;
|
|
while ((MAX_TILE_WIDTH_MAX_SB << min_log2) < max_sb_cols) ++min_log2;
|
|
return min_log2;
|
|
}
|
|
|
|
static int get_max_log2_tile_cols(const int max_sb_cols) {
|
|
int max_log2 = 1;
|
|
while ((max_sb_cols >> max_log2) >= MIN_TILE_WIDTH_MAX_SB) ++max_log2;
|
|
return max_log2 - 1;
|
|
}
|
|
|
|
void av1_get_tile_n_bits(const int mi_cols, int *min_log2_tile_cols,
|
|
int *max_log2_tile_cols) {
|
|
const int max_sb_cols =
|
|
ALIGN_POWER_OF_TWO(mi_cols, MAX_MIB_SIZE_LOG2) >> MAX_MIB_SIZE_LOG2;
|
|
*min_log2_tile_cols = get_min_log2_tile_cols(max_sb_cols);
|
|
*max_log2_tile_cols = get_max_log2_tile_cols(max_sb_cols);
|
|
assert(*min_log2_tile_cols <= *max_log2_tile_cols);
|
|
}
|
|
#endif // !CONFIG_EXT_TILE
|