ref: e9b7f98c56b3b9c99a60eb41b83bf8346b3ad25f
dir: /vp9/encoder/vp9_block.h/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_ENCODER_VP9_BLOCK_H_
#define VP9_ENCODER_VP9_BLOCK_H_
#include "vpx_util/vpx_thread.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_entropy.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
unsigned int sse;
int sum;
unsigned int var;
} diff;
struct macroblock_plane {
DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
tran_low_t *qcoeff;
tran_low_t *coeff;
uint16_t *eobs;
struct buf_2d src;
// Quantizer setings
int16_t *quant_fp;
int16_t *round_fp;
int16_t *quant;
int16_t *quant_shift;
int16_t *zbin;
int16_t *round;
int64_t quant_thred[2];
};
/* The [2] dimension is for whether we skip the EOB node (i.e. if previous
* coefficient in this block was zero) or not. */
typedef unsigned int vp9_coeff_cost[PLANE_TYPES][REF_TYPES][COEF_BANDS][2]
[COEFF_CONTEXTS][ENTROPY_TOKENS];
typedef struct {
int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
uint8_t mode_context[MAX_REF_FRAMES];
} MB_MODE_INFO_EXT;
typedef struct {
int col_min;
int col_max;
int row_min;
int row_max;
} MvLimits;
typedef struct macroblock MACROBLOCK;
struct macroblock {
// cf. https://bugs.chromium.org/p/webm/issues/detail?id=1054
#if defined(_MSC_VER) && _MSC_VER < 1900
int64_t bsse[MAX_MB_PLANE << 2];
#endif
struct macroblock_plane plane[MAX_MB_PLANE];
MACROBLOCKD e_mbd;
MB_MODE_INFO_EXT *mbmi_ext;
MB_MODE_INFO_EXT *mbmi_ext_base;
int skip_block;
int select_tx_size;
int skip_recode;
int skip_optimize;
int q_index;
int block_qcoeff_opt;
int block_tx_domain;
// The equivalent error at the current rdmult of one whole bit (not one
// bitcost unit).
int errorperbit;
// The equivalend SAD error of one (whole) bit at the current quantizer
// for large blocks.
int sadperbit16;
// The equivalend SAD error of one (whole) bit at the current quantizer
// for sub-8x8 blocks.
int sadperbit4;
int rddiv;
int rdmult;
int mb_energy;
int *m_search_count_ptr;
int *ex_search_count_ptr;
#if CONFIG_MULTITHREAD
pthread_mutex_t *search_count_mutex;
#endif
// These are set to their default values at the beginning, and then adjusted
// further in the encoding process.
BLOCK_SIZE min_partition_size;
BLOCK_SIZE max_partition_size;
int mv_best_ref_index[MAX_REF_FRAMES];
unsigned int max_mv_context[MAX_REF_FRAMES];
unsigned int source_variance;
unsigned int pred_sse[MAX_REF_FRAMES];
int pred_mv_sad[MAX_REF_FRAMES];
int nmvjointcost[MV_JOINTS];
int *nmvcost[2];
int *nmvcost_hp[2];
int **mvcost;
int nmvjointsadcost[MV_JOINTS];
int *nmvsadcost[2];
int *nmvsadcost_hp[2];
int **mvsadcost;
// These define limits to motion vector components to prevent them
// from extending outside the UMV borders
MvLimits mv_limits;
// Notes transform blocks where no coefficents are coded.
// Set during mode selection. Read during block encoding.
uint8_t zcoeff_blk[TX_SIZES][256];
// Accumulate the tx block eobs in a partition block.
int32_t sum_y_eobs[TX_SIZES];
int skip;
int encode_breakout;
// note that token_costs is the cost when eob node is skipped
vp9_coeff_cost token_costs[TX_SIZES];
int optimize;
// indicate if it is in the rd search loop or encoding process
int use_lp32x32fdct;
int skip_encode;
// In first pass, intra prediction is done based on source pixels
// at tile boundaries
int fp_src_pred;
// use fast quantization process
int quant_fp;
// skip forward transform and quantization
uint8_t skip_txfm[MAX_MB_PLANE << 2];
#define SKIP_TXFM_NONE 0
#define SKIP_TXFM_AC_DC 1
#define SKIP_TXFM_AC_ONLY 2
// cf. https://bugs.chromium.org/p/webm/issues/detail?id=1054
#if !defined(_MSC_VER) || _MSC_VER >= 1900
int64_t bsse[MAX_MB_PLANE << 2];
#endif
// Used to store sub partition's choices.
MV pred_mv[MAX_REF_FRAMES];
// Strong color activity detection. Used in RTC coding mode to enhance
// the visual quality at the boundary of moving color objects.
uint8_t color_sensitivity[2];
uint8_t sb_is_skin;
uint8_t skip_low_source_sad;
uint8_t last_sb_high_content;
// For each superblock: saves the content value (e.g., low/high sad/sumdiff)
// based on source sad, prior to encoding the frame.
uint8_t content_state_sb;
// Used to save the status of whether a block has a low variance in
// choose_partitioning. 0 for 64x64, 1~2 for 64x32, 3~4 for 32x64, 5~8 for
// 32x32, 9~24 for 16x16.
uint8_t variance_low[25];
void (*fwd_txm4x4)(const int16_t *input, tran_low_t *output, int stride);
void (*itxm_add)(const tran_low_t *input, uint8_t *dest, int stride, int eob);
#if CONFIG_VP9_HIGHBITDEPTH
void (*highbd_itxm_add)(const tran_low_t *input, uint8_t *dest, int stride,
int eob, int bd);
#endif
};
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_ENCODER_VP9_BLOCK_H_