H264Context Struct Reference

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 397 of file h264.h.

int H264Context::mb_uvlinesize

Definition at line 330 of file h264.h.

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

MMCO H264Context::mmco[MAX_MMCO_COUNT]

memory management control operations buffer.

Definition at line 500 of file h264.h.

Referenced by decode_slice_header(), decode_update_thread_context(), ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_marking(), ff_h264_execute_ref_pic_marking(), and field_end().

int H264Context::mmco_index

Definition at line 501 of file h264.h.

Referenced by decode_slice_header(), decode_update_thread_context(), ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_marking(), and field_end().

int H264Context::mmco_reset

Definition at line 502 of file h264.h.

Referenced by decode_postinit(), and ff_h264_execute_ref_pic_marking().

int16_t H264Context::mv_cache[2][5 *8][2]

Motion vector cache.

Definition at line 309 of file h264.h.

Referenced by check_mv(), decode_mb(), 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_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(), svq3_decode_mb(), svq3_mc_dir(), and write_back_motion_list().

uint8_t H264Context::mvd_cache[2][5 *8][2]

Definition at line 414 of file h264.h.

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

uint8_t(*[2] H264Context::mvd_table)[2]

Definition at line 413 of file h264.h.

Referenced by clone_tables(), ff_h264_alloc_tables(), fill_decode_caches(), free_tables(), and write_back_motion_list().

int H264Context::nal_length_size

Number of bytes used for nal length (1, 2 or 4).

Definition at line 454 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_extradata(), ff_h264_find_frame_end(), and parse_nal_units().

int H264Context::nal_ref_idc

Definition at line 445 of file h264.h.

Referenced by decode_nal_units(), decode_slice_header(), ff_h264_decode_nal(), fill_picture_parameters(), init_poc(), and start_frame().

int H264Context::nal_unit_type

Definition at line 446 of file h264.h.

Referenced by decode_frame(), decode_nal_units(), decode_slice_header(), ff_h264_decode_nal(), ff_h264_decode_ref_pic_marking(), and parse_nal_units().

int H264Context::neighbor_transform_size

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

Definition at line 317 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and fill_decode_caches().

int H264Context::next_mb_skipped

Definition at line 270 of file h264.h.

Referenced by ff_h264_decode_mb_cabac().

Picture* H264Context::next_output_pic

Definition at line 493 of file h264.h.

Referenced by decode_frame(), decode_postinit(), and ff_h264_frame_start().

int H264Context::next_outputed_poc

Definition at line 495 of file h264.h.

Referenced by decode_postinit(), decode_update_thread_context(), ff_h264_decode_init(), field_end(), and flush_dpb().

uint8_t(* H264Context::non_zero_count)[48]

Definition at line 304 of file h264.h.

Referenced by clone_tables(), decode_mb_skip(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), fill_decode_caches(), fill_filter_caches(), filter_mb_dir(), free_tables(), and write_back_non_zero_count().

uint8_t H264Context::non_zero_count_cache[15 *8]

non zero coeff count cache.

is 64 if not available.

Definition at line 302 of file h264.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_mb(), 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_filter_mb_fast_internal(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), pred_non_zero_count(), svq3_decode_mb(), and write_back_non_zero_count().

int H264Context::outputed_poc

Definition at line 494 of file h264.h.

Referenced by decode_update_thread_context(), ff_h264_decode_init(), field_end(), and flush_dpb().

uint8_t H264Context::parse_history[4]

Definition at line 601 of file h264.h.

Referenced by ff_h264_find_frame_end().

int H264Context::parse_history_count

Definition at line 602 of file h264.h.

Referenced by ff_h264_find_frame_end().

int H264Context::parse_last_mb

Definition at line 603 of file h264.h.

Referenced by ff_h264_find_frame_end().

int H264Context::pixel_shift

0 for 8-bit H264, 1 for high-bit-depth H264

Definition at line 264 of file h264.h.

Referenced by backup_mb_border(), decode_cabac_residual_internal(), decode_residual(), decode_slice_header(), decode_update_thread_context(), ff_h264_decode_init(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb_fast(), ff_h264_frame_start(), ff_h264_hl_decode_mb(), filter_mb_dir(), and loop_filter().

int H264Context::poc_lsb

Definition at line 465 of file h264.h.

Referenced by decode_slice_header(), decode_update_thread_context(), field_end(), and init_poc().

int H264Context::poc_msb

Definition at line 466 of file h264.h.

Referenced by decode_update_thread_context(), field_end(), and init_poc().

PPS* H264Context::pps_buffers[MAX_PPS_COUNT]

Definition at line 458 of file h264.h.

Referenced by decode_init_thread_copy(), decode_slice_header(), decode_update_thread_context(), ff_h264_decode_picture_parameter_set(), ff_h264_free_context(), and parse_nal_units().

int H264Context::prev_frame_num

frame_num of the last pic for POC type 1/2

Definition at line 474 of file h264.h.

Referenced by clone_slice(), decode_slice_header(), decode_update_thread_context(), ff_h264_decode_init(), field_end(), flush_dpb(), idr(), init_poc(), and svq3_decode_frame().

int H264Context::prev_frame_num_offset

for POC type 2

Definition at line 473 of file h264.h.

Referenced by clone_slice(), decode_update_thread_context(), field_end(), idr(), init_poc(), svq3_decode_frame(), and svq3_mc_dir().

int H264Context::prev_interlaced_frame

Complement sei_pic_struct SEI_PIC_STRUCT_TOP_BOTTOM and SEI_PIC_STRUCT_BOTTOM_TOP indicate interlaced frames.

However, soft telecined frames may have these values. This is used in an attempt to flag soft telecine progressive.

Definition at line 548 of file h264.h.

Referenced by decode_postinit(), decode_slice_header(), and flush_dpb().

int H264Context::prev_mb_skipped

Definition at line 269 of file h264.h.

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

int H264Context::prev_poc_lsb

poc_lsb of the last reference pic for POC type 0

Definition at line 471 of file h264.h.

Referenced by clone_slice(), decode_update_thread_context(), field_end(), idr(), and init_poc().

int H264Context::prev_poc_msb

poc_msb of the last reference pic for POC type 0

Definition at line 470 of file h264.h.

Referenced by clone_slice(), decode_update_thread_context(), ff_h264_decode_init(), field_end(), idr(), and init_poc().

int H264Context::qp_thresh

QP threshold to skip loopfilter.

Definition at line 267 of file h264.h.

Referenced by decode_slice_header(), and fill_filter_caches().

uint8_t* H264Context::rbsp_buffer[2]

Definition at line 447 of file h264.h.

Referenced by decode_update_thread_context(), ff_h264_decode_nal(), and free_tables().

unsigned int H264Context::rbsp_buffer_size[2]

Definition at line 448 of file h264.h.

Referenced by decode_update_thread_context(), ff_h264_decode_nal(), and free_tables().

int H264Context::recovery_frame

recovery_frame is the frame_num at which the next frame should be fully constructed.

Set to -1 when not expecting a recovery point.

Definition at line 581 of file h264.h.

Referenced by decode_nal_units(), and flush_dpb().

int H264Context::redundant_pic_count

Definition at line 486 of file h264.h.

Referenced by decode_nal_units(), decode_slice_header(), and fill_slice_long().

int H264Context::ref2frm[MAX_SLICES][2][64]

reference to frame number lists, used in the loop filter, the first 2 are for -2,-1

Definition at line 387 of file h264.h.

Referenced by decode_slice_header(), and fill_filter_caches_inter().

unsigned int H264Context::ref_count[2]

num_ref_idx_l0/1_active_minus1 + 1

counts frames or fields, depending on current mb mode

Definition at line 381 of file h264.h.

Referenced by decode_mb(), decode_slice(), decode_slice_header(), 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_fill_default_ref_list(), ff_h264_fill_mbaff_ref_list(), fill_colmap(), fill_slice_long(), fill_vaapi_plain_pred_weight_table(), implicit_weight_table(), is_intra_more_likely(), and pred_weight_table().

Picture H264Context::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 384 of file h264.h.

Referenced by await_references(), clone_slice(), decode_mb(), decode_slice(), decode_slice_header(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), ff_h264_fill_mbaff_ref_list(), ff_h264_remove_all_refs(), fill_colmap(), fill_slice_long(), get_lowest_part_y(), get_scale_factor(), implicit_weight_table(), is_intra_more_likely(), mc_part_std(), mc_part_weighted(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and prefetch_motion().

MpegEncContext H264Context::s

Definition at line 262 of file h264.h.

Referenced by await_reference_mb_row(), await_references(), backup_mb_border(), clone_slice(), clone_tables(), close(), commit_bitstream_and_slice_buffer(), common_init(), context_init(), decode(), decode_buffering_period(), decode_cabac_field_decoding_flag(), decode_cabac_luma_residual(), decode_cabac_mb_mvd(), decode_cabac_mb_skip(), decode_finish_row(), decode_frame(), decode_hrd_parameters(), decode_luma_residual(), decode_mb_skip(), decode_nal_units(), decode_picture_timing(), decode_postinit(), decode_rbsp_trailing(), decode_recovery_point(), decode_residual(), decode_scaling_list(), decode_scaling_matrices(), decode_slice(), decode_slice_header(), decode_unregistered_user_data(), decode_update_thread_context(), decode_vui_parameters(), end_frame(), execute_decode_slices(), fetch_diagonal_mv(), ff_generate_sliding_window_mmcos(), ff_h264_alloc_tables(), ff_h264_check_intra4x4_pred_mode(), ff_h264_check_intra_pred_mode(), ff_h264_decode_extradata(), ff_h264_decode_init(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_nal(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_sei(), ff_h264_decode_seq_parameter_set(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), ff_h264_execute_ref_pic_marking(), ff_h264_fill_default_ref_list(), ff_h264_filter_mb(), ff_h264_find_frame_end(), ff_h264_frame_start(), ff_h264_hl_decode_mb(), ff_h264_init_cabac_states(), field_end(), fill_colmap(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), fill_picture_parameters(), fill_slice_long(), filter_mb_dir(), find_short(), flush_dpb(), free_tables(), get_lowest_part_y(), h264_decode_end(), h264_filter_mb_fast_internal(), h264_parse(), hl_decode_mb(), hl_decode_mb_444(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), hl_motion(), implicit_weight_table(), init(), init_poc(), loop_filter(), mc_dir_part(), mc_part(), mc_part_std(), mc_part_weighted(), more_rbsp_data_in_pps(), parse_nal_units(), pic_num_extract(), pred_16x8_motion(), pred_8x16_motion(), pred_intra_mode(), pred_motion(), pred_non_zero_count(), pred_pskip_motion(), pred_spatial_direct_motion(), pred_temp_direct_motion(), pred_weight_table(), predict_field_decoding_flag(), prefetch_motion(), print_long_term(), print_short_term(), remove_short(), start_frame(), svq3_decode_end(), svq3_decode_frame(), svq3_decode_init(), svq3_decode_mb(), svq3_decode_slice_header(), svq3_mc_dir(), write_back_motion(), write_back_non_zero_count(), and xchg_mb_border().

int H264Context::sei_buffering_period_present

Buffering period SEI flag.

Definition at line 592 of file h264.h.

Referenced by decode_buffering_period(), ff_h264_reset_sei(), h264_parse(), and parse_nal_units().

int H264Context::sei_cpb_removal_delay

cpb_removal_delay in picture timing SEI message, see H.264 C.1.2

Definition at line 565 of file h264.h.

Referenced by decode_picture_timing(), ff_h264_reset_sei(), h264_parse(), and parse_nal_units().

int H264Context::sei_ct_type

Bit set of clock types for fields/frames in picture timing SEI message.

For each found ct_type, appropriate bit is set (e.g., bit 1 for interlaced).

Definition at line 555 of file h264.h.

Referenced by decode_picture_timing(), and decode_postinit().

int H264Context::sei_dpb_output_delay

dpb_output_delay in picture timing SEI message, see H.264 C.2.2

Definition at line 560 of file h264.h.

Referenced by decode_picture_timing(), ff_h264_reset_sei(), h264_parse(), and parse_nal_units().

SEI_PicStructType H264Context::sei_pic_struct

pic_struct in picture timing SEI message

Definition at line 540 of file h264.h.

Referenced by decode_picture_timing(), decode_postinit(), and parse_nal_units().

int H264Context::sei_recovery_frame_cnt

recovery_frame_cnt from SEI message

Set to -1 if no recovery point SEI message found or to number of frames before playback synchronizes. Frames having recovery point are key frames.

Definition at line 574 of file h264.h.

Referenced by decode_nal_units(), decode_recovery_point(), ff_h264_reset_sei(), and parse_nal_units().

Picture* H264Context::short_ref[32]

Definition at line 488 of file h264.h.

Referenced by clone_slice(), decode_slice_header(), decode_update_thread_context(), ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_execute_ref_pic_marking(), ff_h264_fill_default_ref_list(), ff_h264_remove_all_refs(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), find_short(), print_short_term(), and remove_short_at_index().

int H264Context::short_ref_count

number of actual short term references

Definition at line 505 of file h264.h.

Referenced by clone_slice(), decode_slice_header(), ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_execute_ref_pic_marking(), ff_h264_fill_default_ref_list(), ff_h264_remove_all_refs(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), find_short(), print_short_term(), remove_short(), and remove_short_at_index().

int H264Context::single_decode_warning

1 if the single thread fallback warning has already been displayed, 0 otherwise.

Definition at line 532 of file h264.h.

Referenced by decode_slice_header().

int H264Context::slice_alpha_c0_offset

Definition at line 439 of file h264.h.

Referenced by decode_slice(), decode_slice_header(), ff_h264_filter_mb(), fill_slice_long(), and h264_filter_mb_fast_internal().

int H264Context::slice_beta_offset

Definition at line 440 of file h264.h.

Referenced by decode_slice(), decode_slice_header(), ff_h264_filter_mb(), fill_slice_long(), and h264_filter_mb_fast_internal().

int H264Context::slice_num

Definition at line 347 of file h264.h.

Referenced by decode_cabac_field_decoding_flag(), decode_cabac_mb_skip(), decode_mb_skip(), decode_slice_header(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_vdpau_h264_picture_complete(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), loop_filter(), predict_field_decoding_flag(), svq3_decode_frame(), svq3_decode_slice_header(), and xchg_mb_border().

int16_t H264Context::slice_row[MAX_SLICES]

to detect when MAX_SLICES is too low

Definition at line 597 of file h264.h.

Referenced by decode_slice_header().

uint16_t* H264Context::slice_table

slice_table_base + 2*mb_stride + 1

Definition at line 348 of file h264.h.

Referenced by clone_tables(), decode_cabac_field_decoding_flag(), decode_cabac_mb_skip(), decode_mb_skip(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_frame_start(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), free_tables(), loop_filter(), predict_field_decoding_flag(), and xchg_mb_border().

uint16_t* H264Context::slice_table_base

Definition at line 462 of file h264.h.

Referenced by ff_h264_alloc_tables(), and free_tables().

int H264Context::slice_type

Definition at line 349 of file h264.h.

Referenced by decode_slice(), decode_slice_header(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_get_slice_type(), fill_slice_long(), loop_filter(), svq3_decode_frame(), and svq3_decode_slice_header().

int H264Context::slice_type_fixed

Definition at line 351 of file h264.h.

Referenced by decode_slice_header(), and fill_slice_long().

int H264Context::slice_type_nos

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

Definition at line 350 of file h264.h.

Referenced by decode_cabac_mb_ref(), decode_cabac_mb_skip(), decode_mb_skip(), decode_nal_units(), decode_slice_header(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_fill_default_ref_list(), ff_h264_init_cabac_states(), fill_decode_caches(), pred_weight_table(), and write_back_motion().

SPS H264Context::sps

current sps

Definition at line 335 of file h264.h.

Referenced by avpriv_h264_has_num_reorder_frames(), check_format(), clone_tables(), decode_nal_units(), decode_picture_timing(), decode_postinit(), decode_slice_header(), decode_update_thread_context(), ff_generate_sliding_window_mmcos(), ff_h264_decode_init(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_execute_ref_pic_marking(), ff_h264_filter_mb(), ff_h264_init_cabac_states(), ff_vdpau_h264_picture_complete(), fill_picture_parameters(), get_dct8x8_allowed(), h264_filter_mb_fast_internal(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), init_dequant4_coeff_table(), init_dequant8_coeff_table(), init_dequant_tables(), init_poc(), init_scan_tables(), parse_nal_units(), pred_spatial_direct_motion(), pred_temp_direct_motion(), pred_weight_table(), start_frame(), and svq3_decode_init().

SPS* H264Context::sps_buffers[MAX_SPS_COUNT]

Definition at line 457 of file h264.h.

Referenced by decode_buffering_period(), decode_init_thread_copy(), decode_slice_header(), decode_update_thread_context(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_free_context(), more_rbsp_data_in_pps(), and parse_nal_units().

uint16_t H264Context::sub_mb_type[4]

Definition at line 358 of file h264.h.

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

int H264Context::sync

did we had a keyframe or recovery point

Definition at line 599 of file h264.h.

Referenced by decode_frame(), decode_nal_units(), decode_postinit(), decode_update_thread_context(), ff_h264_execute_ref_pic_marking(), and flush_dpb().

struct H264Context* H264Context::thread_context[MAX_THREADS] [read]

Definition at line 513 of file h264.h.

Referenced by decode_nal_units(), decode_slice_header(), decode_update_thread_context(), execute_decode_slices(), ff_h264_decode_init(), ff_h264_frame_start(), free_tables(), and init().

uint8_t(*[2] H264Context::top_borders)[(16 *3)*2]

Definition at line 296 of file h264.h.

Referenced by backup_mb_border(), context_init(), free_tables(), and xchg_mb_border().

int H264Context::top_cbp

Definition at line 408 of file h264.h.

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

int H264Context::top_mb_xy

Definition at line 277 of file h264.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().

unsigned int H264Context::top_samples_available

Definition at line 293 of file h264.h.

Referenced by ff_h264_check_intra4x4_pred_mode(), ff_h264_check_intra_pred_mode(), fill_decode_caches(), and svq3_decode_mb().

int H264Context::top_type

Definition at line 282 of file h264.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().

int H264Context::topleft_mb_xy

Definition at line 276 of file h264.h.

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

int H264Context::topleft_partition

Definition at line 287 of file h264.h.

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

unsigned int H264Context::topleft_samples_available

Definition at line 292 of file h264.h.

Referenced by fill_decode_caches(), and hl_decode_mb_predict_luma().

int H264Context::topleft_type

Definition at line 281 of file h264.h.

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

int H264Context::topright_mb_xy

Definition at line 278 of file h264.h.

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

unsigned int H264Context::topright_samples_available

Definition at line 294 of file h264.h.

Referenced by fill_decode_caches(), hl_decode_mb_predict_luma(), and svq3_decode_mb().

int H264Context::topright_type

Definition at line 283 of file h264.h.

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

int H264Context::use_weight

Definition at line 361 of file h264.h.

Referenced by decode_slice_header(), implicit_weight_table(), mc_part(), mc_part_weighted(), and pred_weight_table().

int H264Context::use_weight_chroma

Definition at line 362 of file h264.h.

Referenced by decode_slice_header(), implicit_weight_table(), mc_part_weighted(), and pred_weight_table().

int H264Context::valid_recovery_point

Are the SEI recovery points looking valid.

Definition at line 586 of file h264.h.

Referenced by decode_nal_units().

int H264Context::x264_build

Definition at line 431 of file h264.h.

Referenced by decode_slice_header(), decode_unregistered_user_data(), execute_decode_slices(), ff_h264_decode_init(), and pred_spatial_direct_motion().

uint8_t H264Context::zigzag_scan[16]

Definition at line 418 of file h264.h.

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

uint8_t H264Context::zigzag_scan8x8[64]

Definition at line 419 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

uint8_t H264Context::zigzag_scan8x8_cavlc[64]

Definition at line 420 of file h264.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

uint8_t H264Context::zigzag_scan8x8_cavlc_q0[64]

Definition at line 426 of file h264.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

uint8_t H264Context::zigzag_scan8x8_q0[64]

Definition at line 425 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

uint8_t H264Context::zigzag_scan_q0[16]

Definition at line 424 of file h264.h.

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

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

libavcodec/h264.h


Data Fields
MpegEncContext	s
H264DSPContext	h264dsp
int	pixel_shift
	0 for 8-bit H264, 1 for high-bit-depth H264
int	chroma_qp [2]
int	qp_thresh
	QP threshold to skip loopfilter.
int	prev_mb_skipped
int	next_mb_skipped
int	chroma_pred_mode
int	intra16x16_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
int8_t	intra4x4_pred_mode_cache [5 *8]
int8_t *	intra4x4_pred_mode
H264PredContext	hpc
unsigned int	topleft_samples_available
unsigned int	top_samples_available
unsigned int	topright_samples_available
unsigned int	left_samples_available
uint8_t(*[2]	top_borders )[(16 3)2]
uint8_t	non_zero_count_cache [15 *8]
	non zero coeff count cache.
uint8_t(*	non_zero_count )[48]
int16_t	mv_cache [2][5 *8][2]
	Motion vector cache.
int8_t	ref_cache [2][5 *8]
int	neighbor_transform_size
	number of neighbors (top and/or left) that used 8x8 dct
int	block_offset [2 (16 3)]
	block_offset[ 0.
uint32_t *	mb2b_xy
uint32_t *	mb2br_xy
int	b_stride
int	mb_linesize
	may be equal to s->linesize or s->linesize * 2, for mbaff
int	mb_uvlinesize
int	emu_edge_width
int	emu_edge_height
SPS	sps
	current sps
PPS	pps
	current pps
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]
int	slice_num
uint16_t *	slice_table
	slice_table_base + 2*mb_stride + 1
int	slice_type
int	slice_type_nos
	S free slice type (SI/SP are remapped to I/P).
int	slice_type_fixed
int	mb_aff_frame
int	mb_field_decoding_flag
int	mb_mbaff
	mb_aff_frame && mb_field_decoding_flag
uint16_t	sub_mb_type [4]
int	use_weight
int	use_weight_chroma
int	luma_log2_weight_denom
int	chroma_log2_weight_denom
int	luma_weight [48][2][2]
int	chroma_weight [48][2][2][2]
int	implicit_weight [48][48][2]
int	direct_spatial_mv_pred
int	col_parity
int	col_fieldoff
int	dist_scale_factor [16]
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
unsigned int	list_count
uint8_t *	list_counts
	Array of list_count per MB specifying the slice type.
Picture	ref_list [2][48]
	0.
int	ref2frm [MAX_SLICES][2][64]
	reference to frame number lists, used in the loop filter, the first 2 are for -2,-1
GetBitContext	intra_gb
GetBitContext	inter_gb
GetBitContext *	intra_gb_ptr
GetBitContext *	inter_gb_ptr
DCTELEM	mb [16 48 2]
	as a dct coeffecient is int32_t in high depth, we need to reserve twice the space.
DCTELEM	mb_luma_dc [3][16 *2]
DCTELEM	mb_padding [256 *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
CABACContext	cabac
	Cabac.
uint8_t	cabac_state [1024]
uint16_t *	cbp_table
int	cbp
int	top_cbp
int	left_cbp
uint8_t *	chroma_pred_mode_table
int	last_qscale_diff
uint8_t(*[2]	mvd_table )[2]
uint8_t	mvd_cache [2][5 *8][2]
uint8_t *	direct_table
uint8_t	direct_cache [5 *8]
uint8_t	zigzag_scan [16]
uint8_t	zigzag_scan8x8 [64]
uint8_t	zigzag_scan8x8_cavlc [64]
uint8_t	field_scan [16]
uint8_t	field_scan8x8 [64]
uint8_t	field_scan8x8_cavlc [64]
uint8_t	zigzag_scan_q0 [16]
uint8_t	zigzag_scan8x8_q0 [64]
uint8_t	zigzag_scan8x8_cavlc_q0 [64]
uint8_t	field_scan_q0 [16]
uint8_t	field_scan8x8_q0 [64]
uint8_t	field_scan8x8_cavlc_q0 [64]
int	x264_build
int	mb_xy
int	is_complex
int	deblocking_filter
	disable_deblocking_filter_idc with 1 <-> 0
int	slice_alpha_c0_offset
int	slice_beta_offset
int	nal_ref_idc
int	nal_unit_type
uint8_t *	rbsp_buffer [2]
unsigned int	rbsp_buffer_size [2]
int	is_avc
	Used to parse AVC variant of h264.
int	nal_length_size
	Number of bytes used for nal length (1, 2 or 4).
int	got_first
	this flag is != 0 if we've parsed a frame
SPS *	sps_buffers [MAX_SPS_COUNT]
PPS *	pps_buffers [MAX_PPS_COUNT]
int	dequant_coeff_pps
	reinit tables when pps changes
uint16_t *	slice_table_base
int	poc_lsb
int	poc_msb
int	delta_poc_bottom
int	delta_poc [2]
int	frame_num
int	prev_poc_msb
	poc_msb of the last reference pic for POC type 0
int	prev_poc_lsb
	poc_lsb of the last reference pic for POC type 0
int	frame_num_offset
	for POC type 2
int	prev_frame_num_offset
	for POC type 2
int	prev_frame_num
	frame_num of the last pic for POC type 1/2
int	curr_pic_num
	frame_num for frames or 2 * frame_num + 1 for field pics.
int	max_pic_num
	max_frame_num or 2 * max_frame_num for field pics.
int	redundant_pic_count
Picture *	short_ref [32]
Picture *	long_ref [32]
Picture	default_ref_list [2][32]
	base reference list for all slices of a coded picture
Picture *	delayed_pic [MAX_DELAYED_PIC_COUNT+2]
int	last_pocs [MAX_DELAYED_PIC_COUNT]
Picture *	next_output_pic
int	outputed_poc
int	next_outputed_poc
MMCO	mmco [MAX_MMCO_COUNT]
	memory management control operations buffer.
int	mmco_index
int	mmco_reset
int	long_ref_count
	number of actual long term references
int	short_ref_count
	number of actual short term references
int	cabac_init_idc
SEI_PicStructType	sei_pic_struct
	pic_struct in picture timing SEI message
int	prev_interlaced_frame
	Complement sei_pic_struct SEI_PIC_STRUCT_TOP_BOTTOM and SEI_PIC_STRUCT_BOTTOM_TOP indicate interlaced frames.
int	sei_ct_type
	Bit set of clock types for fields/frames in picture timing SEI message.
int	sei_dpb_output_delay
	dpb_output_delay in picture timing SEI message, see H.264 C.2.2
int	sei_cpb_removal_delay
	cpb_removal_delay in picture timing SEI message, see H.264 C.1.2
int	sei_recovery_frame_cnt
	recovery_frame_cnt from SEI message
int	recovery_frame
	recovery_frame is the frame_num at which the next frame should be fully constructed.
int	valid_recovery_point
	Are the SEI recovery points looking valid.
int	luma_weight_flag [2]
	7.4.3.2 luma_weight_lX_flag
int	chroma_weight_flag [2]
	7.4.3.2 chroma_weight_lX_flag
int	sei_buffering_period_present
	Buffering period SEI flag.
int	initial_cpb_removal_delay [32]
	Initial timestamps for CPBs.
int	cur_chroma_format_idc
int16_t	slice_row [MAX_SLICES]
	to detect when MAX_SLICES is too low
int	sync
	did we had a keyframe or recovery point
uint8_t	parse_history [4]
int	parse_history_count
int	parse_last_mb
Members for slice based multithreading
struct H264Context *	thread_context [MAX_THREADS]
int	current_slice
	current slice number, used to initialize slice_num of each thread/context
int	max_contexts
	Max number of threads / contexts.
int	single_decode_warning
	1 if the single thread fallback warning has already been displayed, 0 otherwise.
int	last_slice_type