AOMedia AV1 Codec: av1/encoder/var_based_part.h Source File

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var_based_part.h
1/*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12#ifndef AOM_AV1_ENCODER_VAR_BASED_PART_H_
13#define AOM_AV1_ENCODER_VAR_BASED_PART_H_
14
15#include <stdio.h>
16
17#include "config/aom_config.h"
18#include "config/aom_dsp_rtcd.h"
19#include "config/av1_rtcd.h"
20
21#include "av1/encoder/encoder.h"
22
23// Calculate block index x and y from split level and index
24#define GET_BLK_IDX_X(idx, level) (((idx) & (0x01)) << (level))
25#define GET_BLK_IDX_Y(idx, level) (((idx) >> (0x01)) << (level))
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
31#define QINDEX_LARGE_BLOCK_THR \
32 100 // Use increased thresholds for midres for speed 9 when qindex is above
33 // this threshold
34
35#define CALC_CHROMA_THRESH_FOR_ZEROMV_SKIP(thresh_exit_part) \
36 ((3 * (thresh_exit_part)) >> 2)
55 void av1_set_variance_partition_thresholds(AV1_COMP *cpi, int q,
56 int content_lowsumdiff);
57
88 int av1_choose_var_based_partitioning(AV1_COMP *cpi, const TileInfo *const tile,
89 ThreadData *td, MACROBLOCK *x, int mi_row,
90 int mi_col);
91
92// Read out the block's temporal variance for 64x64 SB case.
93int av1_get_force_skip_low_temp_var_small_sb(const uint8_t *variance_low,
94 int mi_row, int mi_col,
95 BLOCK_SIZE bsize);
96// Read out the block's temporal variance for 128x128 SB case.
97int av1_get_force_skip_low_temp_var(const uint8_t *variance_low, int mi_row,
98 int mi_col, BLOCK_SIZE bsize);
99
100#ifdef __cplusplus
101} // extern "C"
102#endif
103
104#endif // AOM_AV1_ENCODER_VAR_BASED_PART_H_
MACROBLOCK
struct macroblock MACROBLOCK
Encoder's parameters related to the current coding block.
encoder.h
Declares top-level encoder structures and functions.
av1_set_variance_partition_thresholds
void av1_set_variance_partition_thresholds(AV1_COMP *cpi, int q, int content_lowsumdiff)
Set the thresholds for variance based partition.
av1_choose_var_based_partitioning
int av1_choose_var_based_partitioning(AV1_COMP *cpi, const TileInfo *const tile, ThreadData *td, MACROBLOCK *x, int mi_row, int mi_col)
Variance based partition selection.
AV1_COMP
Top level encoder structure.
Definition encoder.h:2907