FFmpeg  4.0
Data Fields
PPS Struct Reference

Picture parameter set. More...

#include <libavcodec/h264_ps.h>

Data Fields

unsigned int sps_id
 
int cabac
 entropy_coding_mode_flag More...
 
int pic_order_present
 pic_order_present_flag More...
 
int slice_group_count
 num_slice_groups_minus1 + 1 More...
 
int mb_slice_group_map_type
 
unsigned int ref_count [2]
 num_ref_idx_l0/1_active_minus1 + 1 More...
 
int weighted_pred
 weighted_pred_flag More...
 
int weighted_bipred_idc
 
int init_qp
 pic_init_qp_minus26 + 26 More...
 
int init_qs
 pic_init_qs_minus26 + 26 More...
 
int chroma_qp_index_offset [2]
 
int deblocking_filter_parameters_present
 deblocking_filter_parameters_present_flag More...
 
int constrained_intra_pred
 constrained_intra_pred_flag More...
 
int redundant_pic_cnt_present
 redundant_pic_cnt_present_flag More...
 
int transform_8x8_mode
 transform_8x8_mode_flag More...
 
uint8_t scaling_matrix4 [6][16]
 
uint8_t scaling_matrix8 [6][64]
 
uint8_t chroma_qp_table [2][QP_MAX_NUM+1]
 pre-scaled (with chroma_qp_index_offset) version of qp_table More...
 
int chroma_qp_diff
 
uint8_t data [4096]
 
size_t data_size
 
uint32_t dequant4_buffer [6][QP_MAX_NUM+1][16]
 
uint32_t dequant8_buffer [6][QP_MAX_NUM+1][64]
 
uint32_t(*[6] dequant4_coeff )[16]
 
uint32_t(*[6] dequant8_coeff )[64]
 

Detailed Description

Picture parameter set.

Definition at line 108 of file h264_ps.h.

Field Documentation

◆ sps_id

unsigned int PPS::sps_id

◆ cabac

int PPS::cabac

◆ pic_order_present

int PPS::pic_order_present

◆ slice_group_count

int PPS::slice_group_count

num_slice_groups_minus1 + 1

Definition at line 112 of file h264_ps.h.

Referenced by ff_h264_decode_picture_parameter_set(), fill_picture_parameters(), and vaapi_h264_start_frame().

◆ mb_slice_group_map_type

int PPS::mb_slice_group_map_type

◆ ref_count

unsigned int PPS::ref_count[2]

◆ weighted_pred

int PPS::weighted_pred

◆ weighted_bipred_idc

int PPS::weighted_bipred_idc

◆ init_qp

int PPS::init_qp

◆ init_qs

int PPS::init_qs

pic_init_qs_minus26 + 26

Definition at line 118 of file h264_ps.h.

Referenced by ff_h264_decode_picture_parameter_set(), fill_picture_parameters(), and vaapi_h264_start_frame().

◆ chroma_qp_index_offset

int PPS::chroma_qp_index_offset[2]

◆ deblocking_filter_parameters_present

int PPS::deblocking_filter_parameters_present

◆ constrained_intra_pred

int PPS::constrained_intra_pred

◆ redundant_pic_cnt_present

int PPS::redundant_pic_cnt_present

◆ transform_8x8_mode

int PPS::transform_8x8_mode

◆ scaling_matrix4

uint8_t PPS::scaling_matrix4[6][16]

◆ scaling_matrix8

uint8_t PPS::scaling_matrix8[6][64]

◆ chroma_qp_table

uint8_t PPS::chroma_qp_table[2][QP_MAX_NUM+1]

pre-scaled (with chroma_qp_index_offset) version of qp_table

Definition at line 126 of file h264_ps.h.

Referenced by build_qp_table(), and get_chroma_qp().

◆ chroma_qp_diff

int PPS::chroma_qp_diff

Definition at line 127 of file h264_ps.h.

Referenced by ff_h264_decode_picture_parameter_set(), and ff_h264_filter_mb_fast().

◆ data

uint8_t PPS::data[4096]

◆ data_size

size_t PPS::data_size

◆ dequant4_buffer

uint32_t PPS::dequant4_buffer[6][QP_MAX_NUM+1][16]

Definition at line 131 of file h264_ps.h.

Referenced by init_dequant4_coeff_table().

◆ dequant8_buffer

uint32_t PPS::dequant8_buffer[6][QP_MAX_NUM+1][64]

Definition at line 132 of file h264_ps.h.

Referenced by init_dequant8_coeff_table().

◆ dequant4_coeff

uint32_t(*[6] PPS::dequant4_coeff)[16]

◆ dequant8_coeff

uint32_t(*[6] PPS::dequant8_coeff)[64]

The documentation for this struct was generated from the following file: