#include <h264.h>

Data Fields
AVClass *	av_class

AVCodecContext *	avctx

VideoDSPContext	vdsp

H264DSPContext	h264dsp

H264ChromaContext	h264chroma

H264QpelContext	h264qpel

GetBitContext	gb

H264Picture	DPB [H264_MAX_PICTURE_COUNT]

H264Picture *	cur_pic_ptr

H264Picture	cur_pic

H264Picture	last_pic_for_ec

H264SliceContext *	slice_ctx

int	nb_slice_ctx

int	pixel_shift
	0 for 8-bit H264, 1 for high-bit-depth H264 More...

int	width

int	height

int	chroma_x_shift

int	chroma_y_shift

int	droppable

int	coded_picture_number

int	low_delay

int	context_initialized

int	flags

int	workaround_bugs

int8_t *	intra4x4_pred_mode

H264PredContext	hpc

uint8_t(*	non_zero_count )[48]

int	block_offset [2 (16 3)]
	block_offset[ 0..23] for frame macroblocks block_offset[24..47] for field macroblocks More...

uint32_t *	mb2b_xy

uint32_t *	mb2br_xy

int	b_stride

unsigned	current_sps_id
	id of the current SPS More...

SPS	sps
	current sps More...

PPS	pps
	current pps More...

int	au_pps_id
	pps_id of current access unit More...

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]

uint16_t *	slice_table
	slice_table_base + 2*mb_stride + 1 More...

int	mb_aff_frame

int	picture_structure

int	first_field

uint8_t *	list_counts
	Array of list_count per MB specifying the slice type. More...

uint16_t *	cbp_table

uint8_t *	chroma_pred_mode_table

uint8_t(*[2]	mvd_table )[2]

uint8_t *	direct_table

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_y

int	mb_height

int	mb_width

int	mb_stride

int	mb_num

int	nal_ref_idc

int	nal_unit_type

int	is_avc
	Used to parse AVC variant of h264. More...

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

int	bit_depth_luma
	luma bit depth from sps to detect changes More...

int	chroma_format_idc
	chroma format from sps to detect changes More...

SPS *	sps_buffers [MAX_SPS_COUNT]

PPS *	pps_buffers [MAX_PPS_COUNT]

int	dequant_coeff_pps
	reinit tables when pps changes More...

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 More...

int	prev_poc_lsb
	poc_lsb of the last reference pic for POC type 0 More...

int	frame_num_offset
	for POC type 2 More...

int	prev_frame_num_offset
	for POC type 2 More...

int	prev_frame_num
	frame_num of the last pic for POC type 1/2 More...

int	curr_pic_num
	frame_num for frames or 2 * frame_num + 1 for field pics. More...

int	max_pic_num
	max_frame_num or 2 * max_frame_num for field pics. More...

H264Ref	default_ref_list [2][32]
	base reference list for all slices of a coded picture More...

H264Picture *	short_ref [32]

H264Picture *	long_ref [32]

H264Picture *	delayed_pic [MAX_DELAYED_PIC_COUNT+2]

int	last_pocs [MAX_DELAYED_PIC_COUNT]

H264Picture *	next_output_pic

int	next_outputed_poc

MMCO	mmco [MAX_MMCO_COUNT]
	memory management control operations buffer. More...

int	mmco_index

int	mmco_reset

int	long_ref_count
	number of actual long term references More...

int	short_ref_count
	number of actual short term references More...

SEI_PicStructType	sei_pic_struct
	pic_struct in picture timing SEI message More...

int	prev_interlaced_frame
	Complement sei_pic_struct SEI_PIC_STRUCT_TOP_BOTTOM and SEI_PIC_STRUCT_BOTTOM_TOP indicate interlaced frames. More...

int	sei_frame_packing_present
	frame_packing_arrangment SEI message More...

int	frame_packing_arrangement_type

int	content_interpretation_type

int	quincunx_subsampling

int	sei_display_orientation_present
	display orientation SEI message More...

int	sei_anticlockwise_rotation

int	sei_hflip

int	sei_vflip

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

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

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

int	sei_recovery_frame_cnt
	recovery_frame_cnt from SEI message More...

int	valid_recovery_point
	Are the SEI recovery points looking valid. More...

FPA	sei_fpa

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

int	frame_recovered
	Initial frame has been completely recovered. More...

int	has_recovery_point

int	missing_fields

int	sei_buffering_period_present
	Buffering period SEI flag. More...

int	initial_cpb_removal_delay [32]
	Initial timestamps for CPBs. More...

int	cur_chroma_format_idc

int	cur_bit_depth_luma

int16_t	slice_row [MAX_SLICES]
	to detect when MAX_SLICES is too low More...

uint8_t	parse_history [6]

int	parse_history_count

int	parse_last_mb

int	enable_er

AVBufferPool *	qscale_table_pool

AVBufferPool *	mb_type_pool

AVBufferPool *	motion_val_pool

AVBufferPool *	ref_index_pool

qpel_mc_func(*	qpel_put )[16]

qpel_mc_func(*	qpel_avg )[16]

Members for slice based multithreading
int	current_slice
	current slice number, used to initialize slice_num of each thread/context More...

int	max_contexts
	Max number of threads / contexts. More...

int	slice_context_count

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

enum AVPictureType	pict_type

int	last_slice_type

unsigned int	last_ref_count [2]

Detailed Description

H264Context.

Definition at line 499 of file h264.h.

Field Documentation

AVClass* H264Context::av_class

Definition at line 500 of file h264.h.

AVCodecContext* H264Context::avctx

Definition at line 501 of file h264.h.

Referenced by alloc_picture(), await_reference_mb_row(), decode_buffering_period(), decode_cabac_mb_mvd(), decode_frame_packing_arrangement(), decode_hrd_parameters(), decode_nal_units(), decode_picture_timing(), decode_postinit(), decode_rbsp_trailing(), decode_recovery_point(), decode_residual(), decode_slice(), decode_unregistered_user_data(), decode_user_data_itu_t_t35(), decode_vui_parameters(), dxva2_h264_end_frame(), 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_decode_slice_header(), ff_h264_draw_horiz_band(), ff_h264_execute_decode_slices(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_fill_default_ref_list(), ff_h264_filter_mb(), ff_h264_slice_context_init(), ff_h264_unref_picture(), ff_h264_update_thread_context(), ff_pred_weight_table(), ff_set_ref_count(), filter_mb_dir(), find_short(), get_avc_nalsize(), get_pixel_format(), h264_decode_frame(), h264_er_decode_mb(), h264_find_frame_end(), h264_frame_start(), h264_init_context(), h264_parse(), h264_slice_header_init(), init_dimensions(), more_rbsp_data_in_pps(), parse_nal_units(), pred_16x8_motion(), pred_8x16_motion(), pred_intra_mode(), pred_motion(), pred_non_zero_count(), pred_pskip_motion(), print_long_term(), print_short_term(), remove_short(), scan_mmco_reset(), svq3_decode_frame(), svq3_decode_mb(), svq3_decode_slice_header(), svq3_mc_dir(), vaapi_h264_end_frame(), and vdpau_h264_end_frame().

VideoDSPContext H264Context::vdsp

Definition at line 502 of file h264.h.

Referenced by h264_slice_header_init(), mc_dir_part(), prefetch_motion(), svq3_decode_init(), and svq3_mc_dir_part().

H264DSPContext H264Context::h264dsp

Definition at line 503 of file h264.h.

Referenced by ff_h264_filter_mb_fast(), filter_mb_edgech(), filter_mb_edgecv(), filter_mb_edgeh(), filter_mb_edgev(), filter_mb_mbaff_edgecv(), filter_mb_mbaff_edgev(), h264_filter_mb_fast_internal(), h264_find_frame_end(), h264_slice_header_init(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), init(), and svq3_decode_init().

H264ChromaContext H264Context::h264chroma

Definition at line 504 of file h264.h.

Referenced by h264_slice_header_init().

H264QpelContext H264Context::h264qpel

Definition at line 505 of file h264.h.

Referenced by ff_h264_decode_slice_header(), and h264_slice_header_init().

H264Picture H264Context::DPB[H264_MAX_PICTURE_COUNT]

Definition at line 508 of file h264.h.

Referenced by copy_picture_range(), ff_h264_free_context(), ff_h264_update_thread_context(), find_unused_picture(), flush_dpb(), h264_frame_start(), h264_init_context(), and release_unused_pictures().

H264Picture* H264Context::cur_pic_ptr

Definition at line 509 of file h264.h.

Referenced by commit_bitstream_and_slice_buffer(), decode_finish_row(), decode_nal_units(), decode_postinit(), decode_slice(), dxva2_h264_decode_slice(), dxva2_h264_end_frame(), dxva2_h264_start_frame(), fetch_diagonal_mv(), ff_generate_sliding_window_mmcos(), ff_h264_decode_slice_header(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_fill_default_ref_list(), ff_h264_flush_change(), ff_h264_free_context(), ff_h264_update_thread_context(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), flush_dpb(), h264_decode_frame(), h264_frame_start(), implicit_weight_table(), release_unused_pictures(), svq3_decode_frame(), vaapi_h264_end_frame(), vaapi_h264_start_frame(), vda_h264_end_frame(), vda_old_h264_end_frame(), vdpau_h264_decode_slice(), vdpau_h264_end_frame(), vdpau_h264_set_reference_frames(), and vdpau_h264_start_frame().

H264Picture H264Context::cur_pic

H264Picture H264Context::last_pic_for_ec

Definition at line 511 of file h264.h.

Referenced by ff_h264_field_end(), ff_h264_flush_change(), ff_h264_remove_all_refs(), h264_decode_end(), h264_decode_frame(), h264_init_context(), and svq3_decode_init().

H264SliceContext* H264Context::slice_ctx

Definition at line 513 of file h264.h.

Referenced by decode_finish_row(), decode_nal_units(), decode_slice(), dxva2_h264_decode_slice(), dxva2_h264_end_frame(), er_add_slice(), ff_h264_alloc_tables(), ff_h264_decode_slice_header(), ff_h264_execute_decode_slices(), ff_h264_field_end(), ff_h264_flush_change(), ff_h264_free_context(), ff_h264_free_tables(), ff_h264_remove_all_refs(), ff_h264_slice_context_init(), fill_slice_long(), fill_vaapi_plain_pred_weight_table(), get_buffer(), get_last_needed_nal(), h264_decode_frame(), h264_er_decode_mb(), h264_frame_start(), h264_init_context(), h264_slice_header_init(), init(), parse_nal_units(), scan_mmco_reset(), svq3_decode_frame(), svq3_decode_init(), svq3_decode_mb(), svq3_decode_slice_header(), svq3_mc_dir(), svq3_mc_dir_part(), vaapi_h264_decode_slice(), vaapi_h264_end_frame(), and vdpau_h264_end_frame().

int H264Context::nb_slice_ctx

Definition at line 514 of file h264.h.

Referenced by ff_h264_flush_change(), ff_h264_free_context(), ff_h264_free_tables(), ff_h264_remove_all_refs(), h264_frame_start(), h264_init_context(), and init().

int H264Context::pixel_shift

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

Definition at line 516 of file h264.h.

Referenced by backup_mb_border(), decode_cabac_residual_internal(), decode_residual(), decode_slice(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb_fast(), ff_h264_hl_decode_mb(), filter_mb_dir(), h264_frame_start(), h264_slice_header_init(), loop_filter(), and output_frame().

int H264Context::width

Definition at line 519 of file h264.h.

Referenced by ff_h264_decode_slice_header(), ff_h264_update_thread_context(), init_dimensions(), and svq3_decode_init().

int H264Context::height

Definition at line 519 of file h264.h.

Referenced by ff_h264_decode_slice_header(), ff_h264_update_thread_context(), init_dimensions(), and svq3_decode_init().

int H264Context::chroma_x_shift

Definition at line 520 of file h264.h.

Referenced by h264_slice_header_init(), and svq3_decode_init().

int H264Context::chroma_y_shift

Definition at line 520 of file h264.h.

Referenced by ff_h264_decode_slice_header(), fill_decode_caches(), h264_slice_header_init(), loop_filter(), svq3_decode_init(), and write_back_non_zero_count().

int H264Context::droppable

Definition at line 522 of file h264.h.

Referenced by decode_finish_row(), decode_nal_units(), ff_h264_decode_slice_header(), ff_h264_field_end(), ff_h264_update_thread_context(), and h264_frame_start().

int H264Context::coded_picture_number

Definition at line 523 of file h264.h.

Referenced by ff_h264_update_thread_context(), and h264_frame_start().

int H264Context::low_delay

Definition at line 524 of file h264.h.

Referenced by decode_postinit(), ff_h264_decode_init(), ff_h264_decode_slice_header(), ff_h264_update_thread_context(), h264_decode_frame(), h264_parse(), svq3_decode_frame(), and svq3_decode_init().

int H264Context::context_initialized

Definition at line 526 of file h264.h.

Referenced by decode_init_thread_copy(), ff_h264_decode_slice_header(), ff_h264_update_thread_context(), flush_dpb(), and h264_slice_header_init().

int H264Context::flags

Definition at line 527 of file h264.h.

Referenced by alloc_picture(), backup_mb_border(), decode_slice(), ff_h264_decode_slice_header(), ff_h264_filter_mb(), h264_decode_frame(), h264_filter_mb_fast_internal(), h264_init_context(), mc_dir_part(), mc_part_weighted(), svq3_decode_init(), svq3_mc_dir_part(), and xchg_mb_border().

int H264Context::workaround_bugs

Definition at line 528 of file h264.h.

Referenced by decode_slice(), ff_h264_update_thread_context(), get_bit_length(), and h264_init_context().

int8_t* H264Context::intra4x4_pred_mode

Definition at line 530 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_free_tables(), and h264_slice_header_init().

H264PredContext H264Context::hpc

Definition at line 531 of file h264.h.

Referenced by h264_slice_header_init(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), and svq3_decode_init().

uint8_t(* H264Context::non_zero_count)[48]

Definition at line 533 of file h264.h.

Referenced by decode_mb_skip(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_h264_free_tables(), fill_decode_caches(), fill_filter_caches(), filter_mb_dir(), and write_back_non_zero_count().

int H264Context::block_offset[2 *(16 *3)]

block_offset[ 0..23] for frame macroblocks block_offset[24..47] for field macroblocks

Definition at line 542 of file h264.h.

Referenced by decode_slice(), ff_h264_update_thread_context(), h264_frame_start(), and svq3_decode_frame().

uint32_t* H264Context::mb2b_xy

Definition at line 544 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_free_tables(), fill_decode_caches(), fill_filter_caches_inter(), pred_pskip_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

uint32_t* H264Context::mb2br_xy

Definition at line 545 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_free_tables(), fill_decode_caches(), svq3_decode_mb(), svq3_decode_slice_header(), write_back_intra_pred_mode(), and write_back_motion_list().

int H264Context::b_stride

Definition at line 546 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_decode_slice_header(), ff_h264_update_thread_context(), fill_decode_caches(), fill_filter_caches_inter(), pred_pskip_motion(), pred_spatial_direct_motion(), pred_temp_direct_motion(), svq3_decode_init(), svq3_decode_mb(), svq3_mc_dir(), and write_back_motion().

unsigned H264Context::current_sps_id

id of the current SPS

Definition at line 549 of file h264.h.

Referenced by ff_h264_decode_slice_header(), and h264_init_context().

SPS H264Context::sps

current sps

Definition at line 550 of file h264.h.

Referenced by alloc_picture(), avpriv_h264_has_num_reorder_frames(), decode_nal_units(), decode_picture_timing(), decode_postinit(), ff_generate_sliding_window_mmcos(), ff_h264_decode_init(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_filter_mb(), ff_h264_init_cabac_states(), ff_h264_init_dequant_tables(), ff_h264_update_thread_context(), ff_init_poc(), ff_pred_weight_table(), fill_picture_parameters(), get_dct8x8_allowed(), get_pixel_format(), h264_filter_mb_fast_internal(), h264_frame_start(), h264_slice_header_init(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), init_dequant4_coeff_table(), init_dequant8_coeff_table(), init_dimensions(), init_scan_tables(), parse_nal_units(), pred_spatial_direct_motion(), pred_temp_direct_motion(), svq3_decode_init(), vaapi_h264_start_frame(), and vdpau_h264_start_frame().

int H264Context::au_pps_id

pps_id of current access unit

Definition at line 553 of file h264.h.

Referenced by decode_nal_units(), and ff_h264_decode_slice_header().

uint32_t H264Context::dequant4_buffer[6][QP_MAX_NUM+1][16]

Definition at line 555 of file h264.h.

Referenced by ff_h264_update_thread_context(), and init_dequant4_coeff_table().

uint32_t H264Context::dequant8_buffer[6][QP_MAX_NUM+1][64]

Definition at line 556 of file h264.h.

Referenced by ff_h264_update_thread_context(), and init_dequant8_coeff_table().

uint32_t(*[6] H264Context::dequant4_coeff)[16]

Definition at line 557 of file h264.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_init_dequant_tables(), ff_h264_update_thread_context(), hl_decode_mb_predict_luma(), and init_dequant4_coeff_table().

uint32_t(*[6] H264Context::dequant8_coeff)[64]

Definition at line 558 of file h264.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_init_dequant_tables(), ff_h264_update_thread_context(), and init_dequant8_coeff_table().

uint16_t* H264Context::slice_table

slice_table_base + 2*mb_stride + 1

Definition at line 560 of file h264.h.

Referenced by 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_decode_slice_header(), ff_h264_free_tables(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), loop_filter(), predict_field_decoding_flag(), and xchg_mb_border().

int H264Context::mb_aff_frame

Definition at line 563 of file h264.h.

Referenced by ff_h264_decode_slice_header().

int H264Context::first_field

Definition at line 565 of file h264.h.

Referenced by decode_nal_units(), ff_generate_sliding_window_mmcos(), ff_h264_decode_slice_header(), ff_h264_draw_horiz_band(), ff_h264_flush_change(), ff_h264_update_thread_context(), h264_decode_frame(), and h264_slice_header_init().

uint8_t* H264Context::list_counts

Array of list_count per MB specifying the slice type.

Definition at line 567 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_free_tables(), and loop_filter().

uint16_t* H264Context::cbp_table

Definition at line 570 of file h264.h.

Referenced by decode_cabac_residual_internal(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_h264_free_tables(), fill_decode_caches(), fill_filter_caches(), and filter_mb_dir().

uint8_t* H264Context::chroma_pred_mode_table

Definition at line 573 of file h264.h.

Referenced by decode_cabac_mb_chroma_pre_mode(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), and ff_h264_free_tables().

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

Definition at line 574 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_free_tables(), and h264_slice_header_init().

uint8_t* H264Context::direct_table

Definition at line 575 of file h264.h.

Referenced by ff_h264_alloc_tables(), ff_h264_free_tables(), fill_decode_caches(), and write_back_motion().

uint8_t H264Context::zigzag_scan[16]

Definition at line 577 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 578 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 579 of file h264.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

uint8_t H264Context::field_scan[16]

Definition at line 580 of file h264.h.

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

uint8_t H264Context::field_scan8x8[64]

Definition at line 581 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

uint8_t H264Context::field_scan8x8_cavlc[64]

Definition at line 582 of file h264.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

uint8_t H264Context::zigzag_scan_q0[16]

Definition at line 583 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_q0[64]

Definition at line 584 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

uint8_t H264Context::zigzag_scan8x8_cavlc_q0[64]

Definition at line 585 of file h264.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

uint8_t H264Context::field_scan_q0[16]

Definition at line 586 of file h264.h.

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

uint8_t H264Context::field_scan8x8_q0[64]

Definition at line 587 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

uint8_t H264Context::field_scan8x8_cavlc_q0[64]

Definition at line 588 of file h264.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

int H264Context::x264_build

Definition at line 590 of file h264.h.

Referenced by decode_unregistered_user_data(), ff_h264_update_thread_context(), h264_init_context(), h264_slice_header_init(), hl_decode_mb_predict_luma(), and pred_spatial_direct_motion().

int H264Context::mb_y

Definition at line 592 of file h264.h.

Referenced by ff_h264_execute_decode_slices(), ff_h264_field_end(), flush_dpb(), and h264_decode_frame().

int H264Context::mb_height

int H264Context::mb_num

Definition at line 595 of file h264.h.

Referenced by decode_slice(), ff_h264_decode_slice_header(), ff_h264_slice_context_init(), ff_h264_update_thread_context(), svq3_decode_init(), and svq3_decode_slice_header().

int H264Context::nal_ref_idc

Definition at line 600 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_nal(), ff_h264_decode_slice_header(), ff_init_poc(), fill_picture_parameters(), parse_nal_units(), vaapi_h264_start_frame(), and vdpau_h264_start_frame().

int H264Context::nal_unit_type

Definition at line 601 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_nal(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_slice_header(), get_last_needed_nal(), h264_decode_frame(), and parse_nal_units().

int H264Context::is_avc

Used to parse AVC variant of h264.

this flag is != 0 if codec is avc1

Definition at line 606 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_extradata(), ff_h264_update_thread_context(), get_last_needed_nal(), h264_decode_frame(), h264_find_frame_end(), parse_nal_units(), vda_h264_decode_slice(), and vda_h264_start_frame().

int H264Context::nal_length_size

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

Definition at line 607 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_extradata(), ff_h264_update_thread_context(), get_avc_nalsize(), and h264_find_frame_end().

int H264Context::bit_depth_luma

luma bit depth from sps to detect changes

Definition at line 609 of file h264.h.

Referenced by ff_h264_decode_slice_header(), and h264_slice_header_init().

int H264Context::chroma_format_idc

chroma format from sps to detect changes

Definition at line 610 of file h264.h.

Referenced by ff_h264_decode_slice_header(), h264_slice_header_init(), and svq3_decode_init().

SPS* H264Context::sps_buffers[MAX_SPS_COUNT]

Definition at line 612 of file h264.h.

Referenced by decode_buffering_period(), decode_picture_timing(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_decode_slice_header(), ff_h264_free_context(), ff_h264_update_thread_context(), more_rbsp_data_in_pps(), parse_nal_units(), and vdadec_init().

PPS* H264Context::pps_buffers[MAX_PPS_COUNT]

Definition at line 613 of file h264.h.

Referenced by ff_h264_decode_picture_parameter_set(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_free_context(), ff_h264_update_thread_context(), and parse_nal_units().

int H264Context::dequant_coeff_pps

reinit tables when pps changes

Definition at line 615 of file h264.h.

Referenced by ff_h264_decode_picture_parameter_set(), ff_h264_decode_slice_header(), ff_h264_update_thread_context(), and h264_init_context().

uint16_t* H264Context::slice_table_base

Definition at line 617 of file h264.h.

Referenced by ff_h264_alloc_tables(), and ff_h264_free_tables().

int H264Context::poc_lsb

Definition at line 620 of file h264.h.

Referenced by ff_h264_decode_slice_header(), ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), and parse_nal_units().

int H264Context::poc_msb

Definition at line 621 of file h264.h.

Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), and parse_nal_units().

int H264Context::delta_poc_bottom

Definition at line 622 of file h264.h.

Referenced by ff_h264_decode_slice_header(), ff_init_poc(), and parse_nal_units().

int H264Context::delta_poc[2]

Definition at line 623 of file h264.h.

Referenced by ff_h264_decode_slice_header(), ff_init_poc(), and parse_nal_units().

int H264Context::frame_num

Definition at line 624 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), fill_picture_parameters(), parse_nal_units(), svq3_decode_frame(), vaapi_h264_start_frame(), and vdpau_h264_start_frame().

int H264Context::prev_poc_msb

poc_msb of the last reference pic for POC type 0

Definition at line 625 of file h264.h.

Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), h264_init_context(), idr(), and parse_nal_units().

int H264Context::prev_poc_lsb

poc_lsb of the last reference pic for POC type 0

Definition at line 626 of file h264.h.

Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), idr(), and parse_nal_units().

int H264Context::frame_num_offset

for POC type 2

Definition at line 627 of file h264.h.

Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), parse_nal_units(), svq3_decode_frame(), and svq3_mc_dir().

int H264Context::prev_frame_num_offset

for POC type 2

Definition at line 628 of file h264.h.

Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), ff_init_poc(), idr(), parse_nal_units(), svq3_decode_frame(), and svq3_mc_dir().

int H264Context::prev_frame_num

frame_num of the last pic for POC type 1/2

Definition at line 629 of file h264.h.

Referenced by ff_h264_decode_slice_header(), ff_h264_field_end(), ff_h264_flush_change(), ff_h264_update_thread_context(), ff_init_poc(), h264_init_context(), idr(), parse_nal_units(), and svq3_decode_frame().

int H264Context::curr_pic_num

frame_num for frames or 2 * frame_num + 1 for field pics.

Definition at line 634 of file h264.h.

Referenced by ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), and ff_h264_decode_slice_header().

int H264Context::max_pic_num

max_frame_num or 2 * max_frame_num for field pics.

Definition at line 639 of file h264.h.

Referenced by ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), and ff_h264_decode_slice_header().

H264Ref H264Context::default_ref_list[2][32]

base reference list for all slices of a coded picture

Definition at line 641 of file h264.h.

Referenced by ff_h264_decode_ref_pic_list_reordering(), ff_h264_fill_default_ref_list(), and ff_h264_remove_all_refs().

H264Picture* H264Context::short_ref[32]

Definition at line 642 of file h264.h.

Referenced by ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_fill_default_ref_list(), ff_h264_remove_all_refs(), ff_h264_update_thread_context(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), find_short(), print_short_term(), remove_short_at_index(), and vdpau_h264_set_reference_frames().

H264Picture* H264Context::long_ref[32]

Definition at line 643 of file h264.h.

Referenced by ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_fill_default_ref_list(), ff_h264_update_thread_context(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), print_long_term(), remove_long(), and vdpau_h264_set_reference_frames().

H264Picture* H264Context::delayed_pic[MAX_DELAYED_PIC_COUNT+2]

Definition at line 644 of file h264.h.

Referenced by decode_postinit(), ff_h264_decode_slice_header(), ff_h264_flush_change(), ff_h264_free_context(), ff_h264_update_thread_context(), flush_dpb(), h264_decode_frame(), and unreference_pic().

int H264Context::last_pocs[MAX_DELAYED_PIC_COUNT]

Definition at line 645 of file h264.h.

Referenced by decode_postinit(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), h264_init_context(), and idr().

H264Picture* H264Context::next_output_pic

Definition at line 646 of file h264.h.

Referenced by decode_postinit(), h264_decode_frame(), and h264_frame_start().

int H264Context::next_outputed_poc

Definition at line 647 of file h264.h.

Referenced by decode_nal_units(), decode_postinit(), ff_h264_flush_change(), and h264_init_context().

MMCO H264Context::mmco[MAX_MMCO_COUNT]

memory management control operations buffer.

Definition at line 652 of file h264.h.

Referenced by ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), and ff_h264_update_thread_context().

int H264Context::mmco_index

Definition at line 653 of file h264.h.

Referenced by ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_slice_header(), ff_h264_field_end(), and ff_h264_update_thread_context().

int H264Context::mmco_reset

Definition at line 654 of file h264.h.

Referenced by decode_postinit(), ff_h264_execute_ref_pic_marking(), and ff_h264_flush_change().

int H264Context::long_ref_count

number of actual long term references

Definition at line 656 of file h264.h.

Referenced by ff_generate_sliding_window_mmcos(), ff_h264_decode_slice_header(), ff_h264_execute_ref_pic_marking(), ff_h264_remove_all_refs(), and remove_long().

int H264Context::short_ref_count

number of actual short term references

Definition at line 657 of file h264.h.

Referenced by ff_generate_sliding_window_mmcos(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_slice_header(), 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(), remove_short_at_index(), and vdpau_h264_set_reference_frames().

int H264Context::current_slice

current slice number, used to initialize slice_num of each thread/context

Definition at line 666 of file h264.h.

Referenced by decode_nal_units(), ff_h264_decode_slice_header(), ff_h264_field_end(), ff_h264_flush_change(), and fill_slice_long().

int H264Context::max_contexts

Max number of threads / contexts.

This is equal to AVCodecContext.thread_count unless multithreaded decoding is impossible, in which case it is reduced to 1.

Definition at line 674 of file h264.h.

Referenced by decode_nal_units(), and ff_h264_decode_slice_header().

int H264Context::slice_context_count

Definition at line 676 of file h264.h.

Referenced by decode_nal_units(), h264_init_context(), h264_slice_header_init(), and init().

int H264Context::single_decode_warning

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

Definition at line 682 of file h264.h.

Referenced by ff_h264_decode_slice_header().

enum AVPictureType H264Context::pict_type

Definition at line 684 of file h264.h.

Referenced by decode_postinit(), ff_h264_decode_slice_header(), get_buffer(), svq3_decode_frame(), and svq3_decode_mb().

int H264Context::last_slice_type

Definition at line 686 of file h264.h.

Referenced by ff_h264_decode_slice_header().

unsigned int H264Context::last_ref_count[2]

Definition at line 687 of file h264.h.

Referenced by ff_h264_decode_slice_header().

SEI_PicStructType H264Context::sei_pic_struct

pic_struct in picture timing SEI message

Definition at line 693 of file h264.h.

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

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 701 of file h264.h.

Referenced by decode_postinit(), ff_h264_flush_change(), and h264_slice_header_init().

int H264Context::sei_frame_packing_present

frame_packing_arrangment SEI message

Definition at line 706 of file h264.h.

Referenced by decode_frame_packing_arrangement(), decode_postinit(), and ff_h264_reset_sei().

int H264Context::frame_packing_arrangement_type

Definition at line 707 of file h264.h.

Referenced by decode_frame_packing_arrangement(), and decode_postinit().

int H264Context::content_interpretation_type

Definition at line 708 of file h264.h.

Referenced by decode_frame_packing_arrangement(), and decode_postinit().

int H264Context::quincunx_subsampling

Definition at line 709 of file h264.h.

Referenced by decode_frame_packing_arrangement(), and decode_postinit().

int H264Context::sei_display_orientation_present

display orientation SEI message

Definition at line 714 of file h264.h.

Referenced by decode_display_orientation(), decode_postinit(), and ff_h264_reset_sei().

int H264Context::sei_anticlockwise_rotation

Definition at line 715 of file h264.h.

Referenced by decode_display_orientation(), and decode_postinit().

int H264Context::sei_hflip

Definition at line 716 of file h264.h.

Referenced by decode_display_orientation(), and decode_postinit().

int H264Context::sei_vflip

Definition at line 716 of file h264.h.

Referenced by decode_display_orientation(), and decode_postinit().

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 723 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 728 of file h264.h.

Referenced by decode_picture_timing(), and ff_h264_reset_sei().

int H264Context::sei_cpb_removal_delay

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

Definition at line 733 of file h264.h.

Referenced by decode_picture_timing(), and ff_h264_reset_sei().

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 742 of file h264.h.

Referenced by decode_nal_units(), decode_recovery_point(), ff_h264_reset_sei(), h264_frame_start(), and parse_nal_units().

int H264Context::valid_recovery_point

Are the SEI recovery points looking valid.

Definition at line 747 of file h264.h.

Referenced by decode_nal_units().

FPA H264Context::sei_fpa

Definition at line 749 of file h264.h.

Referenced by decode_frame_packing_arrangement(), ff_h264_sei_stereo_mode(), h264_init_context(), and parse_nal_units().

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 757 of file h264.h.

Referenced by decode_nal_units(), ff_h264_flush_change(), ff_h264_update_thread_context(), and h264_init_context().

int H264Context::frame_recovered

Initial frame has been completely recovered.

Definition at line 770 of file h264.h.

Referenced by decode_nal_units(), decode_postinit(), ff_h264_execute_ref_pic_marking(), ff_h264_flush_change(), ff_h264_update_thread_context(), h264_frame_start(), and h264_init_context().

int H264Context::has_recovery_point

Definition at line 772 of file h264.h.

Referenced by decode_nal_units(), decode_recovery_point(), and ff_h264_execute_ref_pic_marking().

int H264Context::missing_fields

Definition at line 774 of file h264.h.

Referenced by decode_postinit(), and ff_h264_decode_slice_header().

int H264Context::sei_buffering_period_present

Buffering period SEI flag.

Definition at line 778 of file h264.h.

Referenced by decode_buffering_period(), and ff_h264_reset_sei().

int H264Context::initial_cpb_removal_delay[32]

Initial timestamps for CPBs.

Definition at line 779 of file h264.h.

Referenced by decode_buffering_period().

int H264Context::cur_chroma_format_idc

Definition at line 781 of file h264.h.

Referenced by ff_h264_decode_slice_header(), h264_init_context(), and h264_slice_header_init().

int H264Context::cur_bit_depth_luma

Definition at line 782 of file h264.h.

Referenced by ff_h264_decode_slice_header(), and h264_slice_header_init().

int16_t H264Context::slice_row[MAX_SLICES]

to detect when MAX_SLICES is too low

Definition at line 783 of file h264.h.

Referenced by ff_h264_decode_slice_header().

uint8_t H264Context::parse_history[6]

Definition at line 785 of file h264.h.

Referenced by h264_find_frame_end().

int H264Context::parse_history_count

Definition at line 786 of file h264.h.

Referenced by h264_find_frame_end().

int H264Context::parse_last_mb

Definition at line 787 of file h264.h.

Referenced by h264_find_frame_end().

int H264Context::enable_er

Definition at line 789 of file h264.h.

Referenced by er_add_slice(), ff_h264_decode_init(), ff_h264_field_end(), ff_h264_update_thread_context(), and h264_frame_start().

AVBufferPool* H264Context::qscale_table_pool

Definition at line 791 of file h264.h.

Referenced by alloc_picture(), ff_h264_free_tables(), and init_table_pools().

AVBufferPool* H264Context::mb_type_pool

Definition at line 792 of file h264.h.

Referenced by alloc_picture(), ff_h264_free_tables(), and init_table_pools().

AVBufferPool* H264Context::motion_val_pool

Definition at line 793 of file h264.h.

Referenced by alloc_picture(), ff_h264_free_tables(), and init_table_pools().

AVBufferPool* H264Context::ref_index_pool

Definition at line 794 of file h264.h.

Referenced by alloc_picture(), ff_h264_free_tables(), and init_table_pools().

qpel_mc_func(* H264Context::qpel_put)[16]

Definition at line 797 of file h264.h.

Referenced by ff_h264_decode_slice_header().

qpel_mc_func(* H264Context::qpel_avg)[16]

Definition at line 798 of file h264.h.

Referenced by ff_h264_decode_slice_header().

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

libavcodec/h264.h

Data Fields

Detailed Description

Field Documentation