#include <h264dec.h>

Data Fields
const struct H264Context *	h264

GetBitContext	gb

ERContext *	er

int	slice_num

int	slice_type

int	slice_type_nos
	S free slice type (SI/SP are remapped to I/P) More...

int	slice_type_fixed

int	qscale

int	chroma_qp [2]

int	qp_thresh
	QP threshold to skip loopfilter. More...

int	last_qscale_diff

int	deblocking_filter
	disable_deblocking_filter_idc with 1 <-> 0 More...

int	slice_alpha_c0_offset

int	slice_beta_offset

H264PredWeightTable	pwt

int	prev_mb_skipped

int	next_mb_skipped

int	chroma_pred_mode

int	intra16x16_pred_mode

int8_t	intra4x4_pred_mode_cache [5 *8]

int8_t *	intra4x4_pred_mode

int	topleft_mb_xy

int	top_mb_xy

int	topright_mb_xy

int	left_mb_xy [LEFT_MBS]

int	topleft_type

int	top_type

int	topright_type

int	left_type [LEFT_MBS]

const uint8_t *	left_block

int	topleft_partition

unsigned int	topleft_samples_available

unsigned int	top_samples_available

unsigned int	topright_samples_available

unsigned int	left_samples_available

ptrdiff_t	linesize

ptrdiff_t	uvlinesize

ptrdiff_t	mb_linesize
	may be equal to s->linesize or s->linesize * 2, for mbaff More...

ptrdiff_t	mb_uvlinesize

int	mb_x

int	mb_y

int	mb_xy

int	resync_mb_x

int	resync_mb_y

unsigned int	first_mb_addr

int	next_slice_idx

int	mb_skip_run

int	is_complex

int	picture_structure

int	mb_field_decoding_flag

int	mb_mbaff
	mb_aff_frame && mb_field_decoding_flag More...

int	redundant_pic_count

int	neighbor_transform_size
	number of neighbors (top and/or left) that used 8x8 dct More...

int	direct_spatial_mv_pred

int	col_parity

int	col_fieldoff

int	cbp

int	top_cbp

int	left_cbp

int	dist_scale_factor [32]

int	dist_scale_factor_field [2][32]

int	map_col_to_list0 [2][16+32]

int	map_col_to_list0_field [2][2][16+32]

unsigned int	ref_count [2]
	num_ref_idx_l0/1_active_minus1 + 1 More...

unsigned int	list_count

H264Ref	ref_list [2][48]
	0..15: frame refs, 16..47: mbaff field refs. More...

struct {
uint8_t op

uint32_t val

}	ref_modifications [2][32]

int	nb_ref_modifications [2]

unsigned int	pps_id

const uint8_t *	intra_pcm_ptr

uint8_t *	bipred_scratchpad

uint8_t *	edge_emu_buffer

uint8_t(*[2]	top_borders )[(16 3) 2]

int	bipred_scratchpad_allocated

int	edge_emu_buffer_allocated

int	top_borders_allocated [2]

uint8_t	non_zero_count_cache [15 *8]
	non zero coeff count cache. More...

int16_t	mv_cache [2][5 *8][2]
	Motion vector cache. More...

int8_t	ref_cache [2][5 *8]

uint8_t	mvd_cache [2][5 *8][2]

uint8_t	direct_cache [5 *8]

uint16_t	sub_mb_type [4]
	as a DCT coefficient is int32_t in high depth, we need to reserve twice the space. More...

int16_t	mb [16 48 2]

int16_t	mb_luma_dc [3][16 *2]
	as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb More...

int16_t	mb_padding [256 *2]

uint8_t(*[2]	mvd_table )[2]

CABACContext	cabac
	Cabac. More...

uint8_t	cabac_state [1024]

int	cabac_init_idc

MMCO	mmco [H264_MAX_MMCO_COUNT]

int	nb_mmco

int	explicit_ref_marking

int	frame_num

int	idr_pic_id

int	poc_lsb

int	delta_poc_bottom

int	delta_poc [2]

int	curr_pic_num

int	max_pic_num

Detailed Description

Definition at line 170 of file h264dec.h.

Field Documentation

◆ h264

const struct H264Context* H264SliceContext::h264

Definition at line 171 of file h264dec.h.

Referenced by alloc_scratch_buffers(), decode_cabac_mb_mvd(), decode_slice(), er_add_slice(), get_scale_factor(), and h264_slice_header_init().

◆ gb

GetBitContext H264SliceContext::gb

Definition at line 172 of file h264dec.h.

Referenced by decode_slice(), ff_h264_decode_mb_cavlc(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_queue_decode_slice(), fill_slice_long(), h264_slice_header_parse(), and vaapi_h264_decode_slice().

◆ er

ERContext* H264SliceContext::er

Definition at line 173 of file h264dec.h.

Referenced by decode_slice(), er_add_slice(), and ff_h264_slice_context_init().

◆ slice_num

int H264SliceContext::slice_num

Definition at line 175 of file h264dec.h.

Referenced by decode_cabac_field_decoding_flag(), decode_cabac_mb_skip(), decode_mb_skip(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), h264_slice_init(), predict_field_decoding_flag(), and xchg_mb_border().

◆ slice_type

int H264SliceContext::slice_type

Definition at line 176 of file h264dec.h.

Referenced by dxva2_h264_decode_slice(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_get_slice_type(), fill_slice_long(), h264_slice_header_parse(), h264_slice_init(), loop_filter(), nvdec_h264_decode_slice(), and vaapi_h264_decode_slice().

◆ slice_type_nos

int H264SliceContext::slice_type_nos

S free slice type (SI/SP are remapped to I/P)

Definition at line 177 of file h264dec.h.

Referenced by decode_cabac_mb_ref(), decode_cabac_mb_skip(), decode_mb_skip(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_direct_ref_list_init(), ff_h264_init_cabac_states(), ff_h264_queue_decode_slice(), fill_decode_caches(), h264_field_start(), h264_initialise_ref_list(), h264_slice_header_parse(), h264_slice_init(), and write_back_motion().

◆ slice_type_fixed

int H264SliceContext::slice_type_fixed

Definition at line 178 of file h264dec.h.

Referenced by fill_slice_long(), h264_slice_header_parse(), and h264_slice_init().

◆ qscale

int H264SliceContext::qscale

Definition at line 180 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), decode_mb_skip(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_hl_decode_mb(), ff_h264_init_cabac_states(), fill_slice_long(), h264_slice_header_parse(), h264_slice_init(), hl_decode_mb_predict_luma(), loop_filter(), and vaapi_h264_decode_slice().

◆ chroma_qp

int H264SliceContext::chroma_qp[2]

Definition at line 181 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), filter_mb_dir(), h264_slice_header_parse(), hl_decode_mb_predict_luma(), and loop_filter().

◆ qp_thresh

int H264SliceContext::qp_thresh

QP threshold to skip loopfilter.

Definition at line 182 of file h264dec.h.

Referenced by fill_filter_caches(), and h264_slice_init().

◆ last_qscale_diff

int H264SliceContext::last_qscale_diff

Definition at line 183 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and h264_slice_header_parse().

◆ deblocking_filter

int H264SliceContext::deblocking_filter

disable_deblocking_filter_idc with 1 <-> 0

Definition at line 186 of file h264dec.h.

Referenced by decode_finish_row(), decode_slice(), fill_filter_caches(), fill_slice_long(), h264_slice_header_parse(), h264_slice_init(), loop_filter(), vaapi_h264_decode_slice(), and xchg_mb_border().

◆ slice_alpha_c0_offset

int H264SliceContext::slice_alpha_c0_offset

Definition at line 187 of file h264dec.h.

Referenced by ff_h264_filter_mb(), fill_slice_long(), h264_filter_mb_fast_internal(), h264_slice_header_parse(), h264_slice_init(), and vaapi_h264_decode_slice().

◆ slice_beta_offset

int H264SliceContext::slice_beta_offset

Definition at line 188 of file h264dec.h.

Referenced by ff_h264_filter_mb(), fill_slice_long(), h264_filter_mb_fast_internal(), h264_slice_header_parse(), h264_slice_init(), and vaapi_h264_decode_slice().

◆ pwt

H264PredWeightTable H264SliceContext::pwt

Definition at line 190 of file h264dec.h.

Referenced by fill_slice_long(), fill_vaapi_plain_pred_weight_table(), h264_slice_header_parse(), h264_slice_init(), implicit_weight_table(), mc_part(), mc_part_weighted(), and vaapi_h264_decode_slice().

◆ prev_mb_skipped

int H264SliceContext::prev_mb_skipped

Definition at line 192 of file h264dec.h.

Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

◆ next_mb_skipped

int H264SliceContext::next_mb_skipped

Definition at line 193 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac().

◆ chroma_pred_mode

int H264SliceContext::chroma_pred_mode

Definition at line 195 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

◆ intra16x16_pred_mode

int H264SliceContext::intra16x16_pred_mode

Definition at line 196 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), hl_decode_mb_idct_luma(), and hl_decode_mb_predict_luma().

◆ intra4x4_pred_mode_cache

int8_t H264SliceContext::intra4x4_pred_mode_cache[5 *8]

Definition at line 198 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), hl_decode_mb_predict_luma(), pred_intra_mode(), and write_back_intra_pred_mode().

◆ intra4x4_pred_mode

int8_t* H264SliceContext::intra4x4_pred_mode

Definition at line 199 of file h264dec.h.

Referenced by fill_decode_caches(), h264_slice_header_init(), and write_back_intra_pred_mode().

◆ topleft_mb_xy

int H264SliceContext::topleft_mb_xy

Definition at line 201 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and pred_pskip_motion().

◆ top_mb_xy

int H264SliceContext::top_mb_xy

Definition at line 202 of file h264dec.h.

Referenced by decode_cabac_mb_chroma_pre_mode(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), filter_mb_dir(), h264_filter_mb_fast_internal(), and pred_pskip_motion().

◆ topright_mb_xy

int H264SliceContext::topright_mb_xy

Definition at line 203 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and pred_pskip_motion().

◆ left_mb_xy

int H264SliceContext::left_mb_xy[LEFT_MBS]

Definition at line 204 of file h264dec.h.

Referenced by decode_cabac_mb_chroma_pre_mode(), fetch_diagonal_mv(), ff_h264_filter_mb(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), and pred_pskip_motion().

◆ topleft_type

int H264SliceContext::topleft_type

Definition at line 206 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and pred_pskip_motion().

◆ top_type

int H264SliceContext::top_type

Definition at line 207 of file h264dec.h.

Referenced by decode_cabac_intra_mb_type(), decode_cabac_mb_chroma_pre_mode(), ff_h264_decode_mb_cabac(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), filter_mb_dir(), h264_filter_mb_fast_internal(), pred_pskip_motion(), and xchg_mb_border().

◆ topright_type

int H264SliceContext::topright_type

Definition at line 208 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and pred_pskip_motion().

◆ left_type

int H264SliceContext::left_type[LEFT_MBS]

Definition at line 209 of file h264dec.h.

Referenced by decode_cabac_intra_mb_type(), decode_cabac_mb_chroma_pre_mode(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_filter_mb(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), filter_mb_dir(), h264_filter_mb_fast_internal(), and pred_pskip_motion().

◆ left_block

const uint8_t* H264SliceContext::left_block

Definition at line 211 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and pred_pskip_motion().

◆ topleft_partition

int H264SliceContext::topleft_partition

Definition at line 212 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and pred_pskip_motion().

◆ topleft_samples_available

unsigned int H264SliceContext::topleft_samples_available

Definition at line 214 of file h264dec.h.

Referenced by fill_decode_caches(), and hl_decode_mb_predict_luma().

◆ top_samples_available

unsigned int H264SliceContext::top_samples_available

Definition at line 215 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and fill_decode_caches().

◆ topright_samples_available

unsigned int H264SliceContext::topright_samples_available

Definition at line 216 of file h264dec.h.

Referenced by fill_decode_caches(), and hl_decode_mb_predict_luma().

◆ left_samples_available

unsigned int H264SliceContext::left_samples_available

Definition at line 217 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and fill_decode_caches().

◆ linesize

ptrdiff_t H264SliceContext::linesize

Definition at line 219 of file h264dec.h.

Referenced by decode_slice(), loop_filter(), and prefetch_motion().

◆ uvlinesize

ptrdiff_t H264SliceContext::uvlinesize

Definition at line 219 of file h264dec.h.

Referenced by decode_slice(), loop_filter(), and prefetch_motion().

◆ mb_linesize

ptrdiff_t H264SliceContext::mb_linesize

may be equal to s->linesize or s->linesize * 2, for mbaff

Definition at line 220 of file h264dec.h.

Referenced by loop_filter(), mc_dir_part(), mc_part_std(), mc_part_weighted(), and prefetch_motion().

◆ mb_uvlinesize

ptrdiff_t H264SliceContext::mb_uvlinesize

Definition at line 221 of file h264dec.h.

Referenced by loop_filter(), mc_dir_part(), mc_part_std(), and mc_part_weighted().

◆ mb_x

◆ mb_y

◆ mb_xy

◆ resync_mb_x

int H264SliceContext::resync_mb_x

Definition at line 225 of file h264dec.h.

Referenced by decode_slice(), ff_h264_execute_decode_slices(), and h264_slice_init().

◆ resync_mb_y

int H264SliceContext::resync_mb_y

Definition at line 226 of file h264dec.h.

Referenced by decode_slice(), ff_h264_execute_decode_slices(), and h264_slice_init().

◆ first_mb_addr

unsigned int H264SliceContext::first_mb_addr

Definition at line 227 of file h264dec.h.

Referenced by ff_h264_queue_decode_slice(), h264_slice_header_parse(), and h264_slice_init().

◆ next_slice_idx

int H264SliceContext::next_slice_idx

Definition at line 229 of file h264dec.h.

Referenced by decode_slice(), and ff_h264_execute_decode_slices().

◆ mb_skip_run

int H264SliceContext::mb_skip_run

Definition at line 230 of file h264dec.h.

Referenced by decode_slice(), and ff_h264_decode_mb_cavlc().

◆ is_complex

int H264SliceContext::is_complex

Definition at line 231 of file h264dec.h.

Referenced by decode_slice(), and ff_h264_hl_decode_mb().

◆ picture_structure

int H264SliceContext::picture_structure

Definition at line 233 of file h264dec.h.

Referenced by ff_h264_queue_decode_slice(), h264_field_start(), and h264_slice_header_parse().

◆ mb_field_decoding_flag

int H264SliceContext::mb_field_decoding_flag

Definition at line 234 of file h264dec.h.

Referenced by decode_cabac_field_decoding_flag(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), h264_er_decode_mb(), h264_slice_header_parse(), loop_filter(), and predict_field_decoding_flag().

◆ mb_mbaff

int H264SliceContext::mb_mbaff

mb_aff_frame && mb_field_decoding_flag

Definition at line 235 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), h264_er_decode_mb(), h264_slice_header_parse(), loop_filter(), and predict_field_decoding_flag().

◆ redundant_pic_count

int H264SliceContext::redundant_pic_count

Definition at line 237 of file h264dec.h.

Referenced by ff_h264_queue_decode_slice(), fill_slice_long(), and h264_slice_header_parse().

◆ neighbor_transform_size

int H264SliceContext::neighbor_transform_size

number of neighbors (top and/or left) that used 8x8 dct

Definition at line 242 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and fill_decode_caches().

◆ direct_spatial_mv_pred

int H264SliceContext::direct_spatial_mv_pred

Definition at line 244 of file h264dec.h.

Referenced by decode_mb_skip(), ff_h264_direct_ref_list_init(), ff_h264_pred_direct_motion(), fill_decode_caches(), fill_slice_long(), h264_slice_header_parse(), h264_slice_init(), and vaapi_h264_decode_slice().

◆ col_parity

int H264SliceContext::col_parity

Definition at line 245 of file h264dec.h.

Referenced by ff_h264_direct_ref_list_init(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

◆ col_fieldoff

int H264SliceContext::col_fieldoff

Definition at line 246 of file h264dec.h.

Referenced by ff_h264_direct_ref_list_init(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

◆ cbp

int H264SliceContext::cbp

Definition at line 248 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_filter_caches(), filter_mb_dir(), h264_filter_mb_fast_internal(), and hl_decode_mb_idct_luma().

◆ top_cbp

int H264SliceContext::top_cbp

Definition at line 249 of file h264dec.h.

Referenced by decode_cabac_mb_cbp_luma(), and fill_decode_caches().

◆ left_cbp

int H264SliceContext::left_cbp

Definition at line 250 of file h264dec.h.

Referenced by decode_cabac_mb_cbp_chroma(), decode_cabac_mb_cbp_luma(), fill_decode_caches(), and get_cabac_cbf_ctx().

◆ dist_scale_factor

int H264SliceContext::dist_scale_factor[32]

Definition at line 252 of file h264dec.h.

Referenced by ff_h264_direct_dist_scale_factor(), and pred_temp_direct_motion().

◆ dist_scale_factor_field

int H264SliceContext::dist_scale_factor_field[2][32]

Definition at line 253 of file h264dec.h.

Referenced by ff_h264_direct_dist_scale_factor(), and pred_temp_direct_motion().

◆ map_col_to_list0

int H264SliceContext::map_col_to_list0[2][16+32]

Definition at line 254 of file h264dec.h.

Referenced by ff_h264_direct_ref_list_init(), and pred_temp_direct_motion().

◆ map_col_to_list0_field

int H264SliceContext::map_col_to_list0_field[2][2][16+32]

Definition at line 255 of file h264dec.h.

Referenced by ff_h264_direct_ref_list_init(), and pred_temp_direct_motion().

◆ ref_count

unsigned int H264SliceContext::ref_count[2]

num_ref_idx_l0/1_active_minus1 + 1

counts frames or fields, depending on current mb mode

Definition at line 260 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_build_ref_list(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), ff_h264_queue_decode_slice(), fill_colmap(), fill_slice_long(), fill_vaapi_plain_pred_weight_table(), h264_er_decode_mb(), h264_fill_mbaff_ref_list(), h264_initialise_ref_list(), h264_slice_header_parse(), h264_slice_init(), implicit_weight_table(), pred_spatial_direct_motion(), and vaapi_h264_decode_slice().

◆ list_count

unsigned int H264SliceContext::list_count

Definition at line 261 of file h264dec.h.

Referenced by await_references(), check_mv(), ff_h264_build_ref_list(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_direct_ref_list_init(), fill_decode_caches(), fill_filter_caches(), fill_slice_long(), h264_fill_mbaff_ref_list(), h264_filter_mb_fast_internal(), h264_initialise_ref_list(), h264_slice_header_parse(), and vaapi_h264_decode_slice().

◆ ref_list

H264Ref H264SliceContext::ref_list[2][48]

0..15: frame refs, 16..47: mbaff field refs.

Reordered version of default_ref_list according to picture reordering in slice header

Definition at line 262 of file h264dec.h.

Referenced by await_references(), decode_nal_units(), ff_h264_build_ref_list(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), fill_colmap(), fill_slice_long(), get_lowest_part_y(), get_scale_factor(), h264_er_decode_mb(), h264_fill_mbaff_ref_list(), h264_initialise_ref_list(), h264_slice_init(), implicit_weight_table(), mc_part_std(), mc_part_weighted(), pred_spatial_direct_motion(), pred_temp_direct_motion(), prefetch_motion(), and vaapi_h264_decode_slice().

◆ op

uint8_t H264SliceContext::op

Definition at line 266 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), and ff_h264_decode_ref_pic_list_reordering().

◆ val

uint32_t H264SliceContext::val

Definition at line 267 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), and ff_h264_decode_ref_pic_list_reordering().

◆ ref_modifications

struct { ... } H264SliceContext::ref_modifications[2][32]

Referenced by ff_h264_build_ref_list(), and ff_h264_decode_ref_pic_list_reordering().

◆ nb_ref_modifications

int H264SliceContext::nb_ref_modifications[2]

Definition at line 269 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), and ff_h264_decode_ref_pic_list_reordering().

◆ pps_id

unsigned int H264SliceContext::pps_id

Definition at line 271 of file h264dec.h.

Referenced by ff_h264_queue_decode_slice(), h264_init_ps(), and h264_slice_header_parse().

◆ intra_pcm_ptr

const uint8_t* H264SliceContext::intra_pcm_ptr

Definition at line 273 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

◆ bipred_scratchpad

uint8_t* H264SliceContext::bipred_scratchpad

Definition at line 275 of file h264dec.h.

Referenced by alloc_scratch_buffers(), ff_h264_free_tables(), and mc_part_weighted().

◆ edge_emu_buffer

uint8_t* H264SliceContext::edge_emu_buffer

Definition at line 276 of file h264dec.h.

Referenced by alloc_scratch_buffers(), ff_h264_free_tables(), and mc_dir_part().

◆ top_borders

uint8_t(*[2] H264SliceContext::top_borders)[(16 *3) *2]

Definition at line 277 of file h264dec.h.

Referenced by alloc_scratch_buffers(), backup_mb_border(), ff_h264_free_tables(), and xchg_mb_border().

◆ bipred_scratchpad_allocated

int H264SliceContext::bipred_scratchpad_allocated

Definition at line 278 of file h264dec.h.

Referenced by alloc_scratch_buffers(), and ff_h264_free_tables().

◆ edge_emu_buffer_allocated

int H264SliceContext::edge_emu_buffer_allocated

Definition at line 279 of file h264dec.h.

Referenced by alloc_scratch_buffers(), and ff_h264_free_tables().

◆ top_borders_allocated

int H264SliceContext::top_borders_allocated[2]

Definition at line 280 of file h264dec.h.

Referenced by alloc_scratch_buffers(), and ff_h264_free_tables().

◆ non_zero_count_cache

uint8_t H264SliceContext::non_zero_count_cache[15 *8]

non zero coeff count cache.

is 64 if not available.

Definition at line 286 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_cabac_residual_dc(), decode_cabac_residual_dc_422(), decode_cabac_residual_internal(), decode_cabac_residual_nondc(), decode_luma_residual(), decode_residual(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), fill_decode_caches(), fill_filter_caches(), filter_mb_dir(), get_cabac_cbf_ctx(), h264_er_decode_mb(), h264_filter_mb_fast_internal(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), pred_non_zero_count(), and write_back_non_zero_count().

◆ mv_cache

int16_t H264SliceContext::mv_cache[2][5 *8][2]

Motion vector cache.

Definition at line 291 of file h264dec.h.

Referenced by check_mv(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), fill_filter_caches_inter(), get_lowest_part_list_y(), h264_er_decode_mb(), h264_filter_mb_fast_internal(), mc_dir_part(), pred_16x8_motion(), pred_8x16_motion(), pred_motion(), pred_pskip_motion(), pred_spatial_direct_motion(), pred_temp_direct_motion(), prefetch_motion(), and write_back_motion_list().

◆ ref_cache

int8_t H264SliceContext::ref_cache[2][5 *8]

◆ mvd_cache

uint8_t H264SliceContext::mvd_cache[2][5 *8][2]

Definition at line 293 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), fill_decode_caches(), and write_back_motion_list().

◆ direct_cache

uint8_t H264SliceContext::direct_cache[5 *8]

Definition at line 294 of file h264dec.h.

Referenced by decode_cabac_mb_ref(), ff_h264_decode_mb_cabac(), and fill_decode_caches().

◆ sub_mb_type

uint16_t H264SliceContext::sub_mb_type[4]

as a DCT coefficient is int32_t in high depth, we need to reserve twice the space.

Definition at line 296 of file h264dec.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), get_dct8x8_allowed(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and write_back_motion().

◆ mb

int16_t H264SliceContext::mb[16 *48 *2]

Definition at line 299 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), hl_decode_mb_idct_luma(), and hl_decode_mb_predict_luma().

◆ mb_luma_dc

int16_t H264SliceContext::mb_luma_dc[3][16 *2]

as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb

Definition at line 300 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), and hl_decode_mb_predict_luma().

◆ mb_padding

int16_t H264SliceContext::mb_padding[256 *2]

Definition at line 303 of file h264dec.h.

◆ mvd_table

uint8_t(*[2] H264SliceContext::mvd_table)[2]

Definition at line 305 of file h264dec.h.

Referenced by fill_decode_caches(), h264_slice_header_init(), and write_back_motion_list().

◆ cabac

◆ cabac_state

uint8_t H264SliceContext::cabac_state[1024]

Definition at line 311 of file h264dec.h.

Referenced by decode_cabac_b_mb_sub_type(), decode_cabac_field_decoding_flag(), decode_cabac_intra_mb_type(), decode_cabac_mb_cbp_chroma(), decode_cabac_mb_cbp_luma(), decode_cabac_mb_chroma_pre_mode(), decode_cabac_mb_intra4x4_pred_mode(), decode_cabac_mb_mvd(), decode_cabac_mb_ref(), decode_cabac_mb_skip(), decode_cabac_p_mb_sub_type(), decode_cabac_residual_dc(), decode_cabac_residual_dc_422(), decode_cabac_residual_internal(), decode_cabac_residual_nondc(), ff_h264_decode_mb_cabac(), and ff_h264_init_cabac_states().

◆ cabac_init_idc

int H264SliceContext::cabac_init_idc

Definition at line 312 of file h264dec.h.

Referenced by ff_h264_init_cabac_states(), fill_slice_long(), h264_slice_header_parse(), and vaapi_h264_decode_slice().

◆ mmco

MMCO H264SliceContext::mmco[H264_MAX_MMCO_COUNT]

Definition at line 314 of file h264dec.h.

Referenced by ff_h264_decode_ref_pic_marking(), and h264_field_start().

◆ nb_mmco

int H264SliceContext::nb_mmco

Definition at line 315 of file h264dec.h.

Referenced by ff_h264_decode_ref_pic_marking(), and h264_field_start().

◆ explicit_ref_marking

int H264SliceContext::explicit_ref_marking

Definition at line 316 of file h264dec.h.

Referenced by ff_h264_decode_ref_pic_marking(), h264_field_start(), and h264_slice_header_parse().

◆ frame_num

int H264SliceContext::frame_num

Definition at line 318 of file h264dec.h.

Referenced by h264_field_start(), and h264_slice_header_parse().

◆ idr_pic_id

int H264SliceContext::idr_pic_id

Definition at line 319 of file h264dec.h.

Referenced by h264_field_start(), and h264_slice_header_parse().

◆ poc_lsb

int H264SliceContext::poc_lsb

Definition at line 320 of file h264dec.h.

Referenced by h264_field_start(), and h264_slice_header_parse().

◆ delta_poc_bottom

int H264SliceContext::delta_poc_bottom

Definition at line 321 of file h264dec.h.

Referenced by h264_field_start(), and h264_slice_header_parse().

◆ delta_poc

int H264SliceContext::delta_poc[2]

Definition at line 322 of file h264dec.h.

Referenced by h264_field_start(), and h264_slice_header_parse().

◆ curr_pic_num

int H264SliceContext::curr_pic_num

Definition at line 323 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_decode_ref_pic_marking(), and h264_slice_header_parse().

◆ max_pic_num

int H264SliceContext::max_pic_num

Definition at line 324 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_decode_ref_pic_marking(), and h264_slice_header_parse().

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

libavcodec/h264dec.h

Data Fields

Detailed Description

Field Documentation

◆ h264

◆ gb

◆ er

◆ slice_num

◆ slice_type

◆ slice_type_nos

◆ slice_type_fixed

◆ qscale

◆ chroma_qp

◆ qp_thresh

◆ last_qscale_diff

◆ deblocking_filter

◆ slice_alpha_c0_offset

◆ slice_beta_offset

◆ pwt

◆ prev_mb_skipped

◆ next_mb_skipped

◆ chroma_pred_mode

◆ intra16x16_pred_mode

◆ intra4x4_pred_mode_cache

◆ intra4x4_pred_mode

◆ topleft_mb_xy

◆ top_mb_xy

◆ topright_mb_xy

◆ left_mb_xy

◆ topleft_type

◆ top_type

◆ topright_type

◆ left_type

◆ left_block

◆ topleft_partition

◆ topleft_samples_available

◆ top_samples_available

◆ topright_samples_available

◆ left_samples_available

◆ linesize

◆ uvlinesize

◆ mb_linesize

◆ mb_uvlinesize

◆ mb_x

◆ mb_y

◆ mb_xy

◆ resync_mb_x

◆ resync_mb_y

◆ first_mb_addr

◆ next_slice_idx

◆ mb_skip_run

◆ is_complex

◆ picture_structure

◆ mb_field_decoding_flag

◆ mb_mbaff

◆ redundant_pic_count

◆ neighbor_transform_size

◆ direct_spatial_mv_pred

◆ col_parity

◆ col_fieldoff

◆ cbp

◆ top_cbp

◆ left_cbp

◆ dist_scale_factor

◆ dist_scale_factor_field

◆ map_col_to_list0

◆ map_col_to_list0_field

◆ ref_count

◆ list_count

◆ ref_list

◆ op

◆ val

◆ ref_modifications

◆ nb_ref_modifications

◆ pps_id

◆ intra_pcm_ptr

◆ bipred_scratchpad

◆ edge_emu_buffer

◆ top_borders

◆ bipred_scratchpad_allocated

◆ edge_emu_buffer_allocated