SPS Struct Reference

Sequence parameter set. More...

#include <h264.h>

Data Fields
int	profile_idc
int	level_idc
int	transform_bypass
	qpprime_y_zero_transform_bypass_flag
int	log2_max_frame_num
	log2_max_frame_num_minus4 + 4
int	poc_type
	pic_order_cnt_type
int	log2_max_poc_lsb
	log2_max_pic_order_cnt_lsb_minus4
int	delta_pic_order_always_zero_flag
int	offset_for_non_ref_pic
int	offset_for_top_to_bottom_field
int	poc_cycle_length
	num_ref_frames_in_pic_order_cnt_cycle
int	ref_frame_count
	num_ref_frames
int	gaps_in_frame_num_allowed_flag
int	mb_width
	pic_width_in_mbs_minus1 + 1
int	mb_height
	pic_height_in_map_units_minus1 + 1
int	frame_mbs_only_flag
int	mb_aff
	mb_adaptive_frame_field_flag
int	direct_8x8_inference_flag
int	crop
	frame_cropping_flag
int	crop_left
	frame_cropping_rect_left_offset
int	crop_right
	frame_cropping_rect_right_offset
int	crop_top
	frame_cropping_rect_top_offset
int	crop_bottom
	frame_cropping_rect_bottom_offset
int	vui_parameters_present_flag
AVRational	sar
int	timing_info_present_flag
uint32_t	num_units_in_tick
uint32_t	time_scale
int	fixed_frame_rate_flag
short	offset_for_ref_frame [256]
int	bitstream_restriction_flag
int	num_reorder_frames
int	scaling_matrix_present
uint8_t	scaling_matrix4 [6][16]
uint8_t	scaling_matrix8 [2][64]

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Detailed Description

Sequence parameter set.

Definition at line 76 of file h264.h.

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Field Documentation

int SPS::profile_idc

Definition at line 78 of file h264.h.

Referenced by decode_seq_parameter_set().

int SPS::level_idc

Definition at line 79 of file h264.h.

Referenced by decode_seq_parameter_set().

int SPS::transform_bypass

qpprime_y_zero_transform_bypass_flag

Definition at line 80 of file h264.h.

Referenced by decode_seq_parameter_set(), hl_decode_mb_internal(), init_dequant_tables(), and init_scan_tables().

int SPS::log2_max_frame_num

log2_max_frame_num_minus4 + 4

Definition at line 81 of file h264.h.

Referenced by decode_seq_parameter_set(), decode_slice_header(), and init_poc().

int SPS::poc_type

pic_order_cnt_type

Definition at line 82 of file h264.h.

Referenced by decode_seq_parameter_set(), decode_slice_header(), and init_poc().

int SPS::log2_max_poc_lsb

log2_max_pic_order_cnt_lsb_minus4

Definition at line 83 of file h264.h.

Referenced by decode_seq_parameter_set(), decode_slice_header(), and init_poc().

int SPS::delta_pic_order_always_zero_flag

Definition at line 84 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::offset_for_non_ref_pic

Definition at line 85 of file h264.h.

Referenced by decode_seq_parameter_set(), and init_poc().

int SPS::offset_for_top_to_bottom_field

Definition at line 86 of file h264.h.

Referenced by decode_seq_parameter_set(), and init_poc().

int SPS::poc_cycle_length

num_ref_frames_in_pic_order_cnt_cycle

Definition at line 87 of file h264.h.

Referenced by decode_seq_parameter_set(), and init_poc().

int SPS::ref_frame_count

num_ref_frames

Definition at line 88 of file h264.h.

Referenced by decode_ref_pic_marking(), decode_seq_parameter_set(), and execute_ref_pic_marking().

int SPS::gaps_in_frame_num_allowed_flag

Definition at line 89 of file h264.h.

Referenced by decode_seq_parameter_set().

int SPS::mb_width

pic_width_in_mbs_minus1 + 1

Definition at line 90 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::mb_height

pic_height_in_map_units_minus1 + 1

Definition at line 91 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::frame_mbs_only_flag

Definition at line 92 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::mb_aff

mb_adaptive_frame_field_flag

Definition at line 93 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::direct_8x8_inference_flag

Definition at line 94 of file h264.h.

Referenced by decode_mb_cabac(), decode_mb_cavlc(), decode_seq_parameter_set(), get_dct8x8_allowed(), and pred_direct_motion().

int SPS::crop

frame_cropping_flag

Definition at line 95 of file h264.h.

Referenced by decode_seq_parameter_set().

int SPS::crop_left

frame_cropping_rect_left_offset

Definition at line 96 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::crop_right

frame_cropping_rect_right_offset

Definition at line 97 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::crop_top

frame_cropping_rect_top_offset

Definition at line 98 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::crop_bottom

frame_cropping_rect_bottom_offset

Definition at line 99 of file h264.h.

Referenced by decode_seq_parameter_set(), and decode_slice_header().

int SPS::vui_parameters_present_flag

Definition at line 100 of file h264.h.

Referenced by decode_seq_parameter_set().

AVRational SPS::sar

Definition at line 101 of file h264.h.

Referenced by decode_slice_header(), and decode_vui_parameters().

int SPS::timing_info_present_flag

Definition at line 102 of file h264.h.

Referenced by decode_slice_header(), and decode_vui_parameters().

uint32_t SPS::num_units_in_tick

Definition at line 103 of file h264.h.

Referenced by decode_slice_header(), and decode_vui_parameters().

uint32_t SPS::time_scale

Definition at line 104 of file h264.h.

Referenced by decode_slice_header(), and decode_vui_parameters().

int SPS::fixed_frame_rate_flag

Definition at line 105 of file h264.h.

Referenced by decode_vui_parameters().

short SPS::offset_for_ref_frame[256]

Definition at line 106 of file h264.h.

Referenced by decode_seq_parameter_set(), and init_poc().

int SPS::bitstream_restriction_flag

Definition at line 107 of file h264.h.

Referenced by decode_frame(), and decode_vui_parameters().

int SPS::num_reorder_frames

Definition at line 108 of file h264.h.

Referenced by decode_frame(), and decode_vui_parameters().

int SPS::scaling_matrix_present

Definition at line 109 of file h264.h.

Referenced by decode_scaling_matrices(), and decode_seq_parameter_set().

uint8_t SPS::scaling_matrix4[6][16]

Definition at line 110 of file h264.h.

Referenced by decode_scaling_matrices(), and decode_seq_parameter_set().

uint8_t SPS::scaling_matrix8[2][64]

Definition at line 111 of file h264.h.

Referenced by decode_scaling_matrices(), and decode_seq_parameter_set().

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

• libavcodec/h264.h