FFmpeg  4.0
Data Fields
H264Context Struct Reference

H264Context. More...

#include <libavcodec/h264dec.h>

Data Fields

const AVClass * class
 
AVCodecContext * avctx
 
VideoDSPContext vdsp
 
H264DSPContext h264dsp
 
H264ChromaContext h264chroma
 
H264QpelContext h264qpel
 
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 nb_slice_ctx_queued
 
H2645Packet pkt
 
int pixel_shift
 0 for 8-bit H.264, 1 for high-bit-depth H.264 More...
 
int width
 
int height
 
int chroma_x_shift
 
int chroma_y_shift
 
int droppable
 
int coded_picture_number
 
int context_initialized
 
int flags
 
int workaround_bugs
 
int x264_build
 
int postpone_filter
 
int picture_idr
 
int crop_left
 
int crop_right
 
int crop_top
 
int crop_bottom
 
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
 
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 scan_padding [16]
 
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 mb_y
 
int mb_height
 
int mb_width
 
int mb_stride
 
int mb_num
 
int nal_ref_idc
 
int nal_unit_type
 
int has_slice
 slice NAL is found in the packet, set by decode_nal_units, its state does not need to be preserved outside h264_decode_frame() More...
 
int is_avc
 Used to parse AVC variant of H.264. 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...
 
H264ParamSets ps
 
uint16_t * slice_table_base
 
H264POCContext poc
 
H264Ref default_ref [2]
 
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 nb_mmco
 
int mmco_reset
 
int explicit_ref_marking
 
int long_ref_count
 number of actual long term references More...
 
int short_ref_count
 number of actual short term references 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 valid_recovery_point
 Are the SEI recovery points looking valid. More...
 
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 setup_finished
 
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...
 
int width_from_caller
 
int height_from_caller
 
int enable_er
 
H264SEIContext sei
 
AVBufferPool * qscale_table_pool
 
AVBufferPool * mb_type_pool
 
AVBufferPool * motion_val_pool
 
AVBufferPool * ref_index_pool
 
int ref2frm [MAX_SLICES][2][64]
 reference to frame number lists, used in the loop filter, the first 2 are for -2,-1 More...
 
Members for slice based multithreading
int current_slice
 current slice number, used to initialize slice_num of each thread/context More...
 

Detailed Description

H264Context.

Definition at line 337 of file h264dec.h.

Field Documentation

◆ class

const AVClass* H264Context::class

Definition at line 338 of file h264dec.h.

◆ avctx

AVCodecContext* H264Context::avctx

Definition at line 339 of file h264dec.h.

Referenced by alloc_picture(), await_reference_mb_row(), decode_cabac_mb_mvd(), decode_nal_units(), decode_residual(), decode_slice(), dxva2_h264_end_frame(), fetch_diagonal_mv(), ff_h264_alloc_tables(), ff_h264_build_ref_list(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_direct_ref_list_init(), ff_h264_draw_horiz_band(), ff_h264_execute_decode_slices(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_filter_mb(), ff_h264_queue_decode_slice(), ff_h264_slice_context_init(), ff_h264_unref_picture(), ff_h264_update_thread_context(), filter_mb_dir(), finalize_frame(), find_short(), get_last_needed_nal(), get_pixel_format(), get_scale_factor(), h264_decode_init(), h264_er_decode_mb(), h264_export_frame_props(), h264_field_start(), h264_frame_start(), h264_init_context(), h264_init_ps(), h264_initialise_ref_list(), h264_select_output_frame(), h264_slice_header_init(), h264_slice_header_parse(), h264_slice_init(), init_dimensions(), 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(), vaapi_h264_end_frame(), and vdpau_h264_end_frame().

◆ vdsp

VideoDSPContext H264Context::vdsp

Definition at line 340 of file h264dec.h.

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

◆ h264dsp

H264DSPContext H264Context::h264dsp

Definition at line 341 of file h264dec.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_slice_header_init(), hl_decode_mb_idct_luma(), and hl_decode_mb_predict_luma().

◆ h264chroma

H264ChromaContext H264Context::h264chroma

Definition at line 342 of file h264dec.h.

Referenced by h264_slice_header_init().

◆ h264qpel

H264QpelContext H264Context::h264qpel

Definition at line 343 of file h264dec.h.

Referenced by h264_slice_header_init().

◆ DPB

H264Picture H264Context::DPB[H264_MAX_PICTURE_COUNT]

Definition at line 345 of file h264dec.h.

Referenced by copy_picture_range(), ff_h264_update_thread_context(), find_unused_picture(), flush_dpb(), h264_decode_end(), h264_frame_start(), h264_init_context(), and release_unused_pictures().

◆ cur_pic_ptr

H264Picture* H264Context::cur_pic_ptr

Definition at line 346 of file h264dec.h.

Referenced by commit_bitstream_and_slice_buffer(), decode_finish_row(), decode_nal_units(), decode_slice(), dxva2_h264_decode_slice(), dxva2_h264_end_frame(), dxva2_h264_start_frame(), fetch_diagonal_mv(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_flush_change(), ff_h264_queue_decode_slice(), ff_h264_update_thread_context(), ff_videotoolbox_uninit(), fill_picture_parameters(), flush_dpb(), generate_sliding_window_mmcos(), h264_decode_end(), h264_decode_frame(), h264_export_frame_props(), h264_field_start(), h264_frame_start(), h264_initialise_ref_list(), h264_select_output_frame(), h264_slice_init(), implicit_weight_table(), mismatches_ref(), nvdec_h264_start_frame(), release_unused_pictures(), send_next_delayed_frame(), vaapi_h264_decode_slice(), vaapi_h264_end_frame(), vaapi_h264_start_frame(), vdpau_h264_decode_slice(), vdpau_h264_end_frame(), vdpau_h264_set_reference_frames(), and vdpau_h264_start_frame().

◆ cur_pic

H264Picture H264Context::cur_pic

Definition at line 347 of file h264dec.h.

Referenced by await_references(), decode_cabac_field_decoding_flag(), decode_cabac_mb_skip(), decode_mb_skip(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_draw_horiz_band(), ff_h264_filter_mb(), ff_h264_hl_decode_mb(), ff_h264_update_thread_context(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), filter_mb_dir(), flush_dpb(), get_lowest_part_y(), h264_decode_end(), h264_er_decode_mb(), h264_filter_mb_fast_internal(), h264_frame_start(), h264_init_context(), loop_filter(), pred_pskip_motion(), predict_field_decoding_flag(), write_back_motion(), and write_back_motion_list().

◆ last_pic_for_ec

H264Picture H264Context::last_pic_for_ec

Definition at line 348 of file h264dec.h.

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

◆ slice_ctx

H264SliceContext* H264Context::slice_ctx

Definition at line 350 of file h264dec.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_execute_decode_slices(), ff_h264_free_tables(), ff_h264_queue_decode_slice(), ff_h264_slice_context_init(), fill_slice_long(), fill_vaapi_plain_pred_weight_table(), h264_decode_end(), h264_decode_frame(), h264_er_decode_mb(), h264_frame_start(), h264_init_context(), h264_init_ps(), h264_slice_header_init(), h264_slice_header_parse(), nvdec_h264_decode_slice(), vaapi_h264_decode_slice(), vaapi_h264_end_frame(), and vdpau_h264_end_frame().

◆ nb_slice_ctx

int H264Context::nb_slice_ctx

Definition at line 351 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_alloc_tables(), ff_h264_free_tables(), h264_decode_end(), h264_frame_start(), h264_init_context(), h264_slice_header_init(), and h264_slice_init().

◆ nb_slice_ctx_queued

int H264Context::nb_slice_ctx_queued

Definition at line 352 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_execute_decode_slices(), ff_h264_queue_decode_slice(), and h264_decode_frame().

◆ pkt

H2645Packet H264Context::pkt

Definition at line 354 of file h264dec.h.

Referenced by decode_nal_units(), get_last_needed_nal(), and h264_decode_end().

◆ pixel_shift

int H264Context::pixel_shift

0 for 8-bit H.264, 1 for high-bit-depth H.264

Definition at line 356 of file h264dec.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(), and loop_filter().

◆ width

int H264Context::width

Definition at line 359 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), h264_init_ps(), and init_dimensions().

◆ height

int H264Context::height

Definition at line 359 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), h264_init_ps(), and init_dimensions().

◆ chroma_x_shift

int H264Context::chroma_x_shift

Definition at line 360 of file h264dec.h.

Referenced by h264_slice_header_init().

◆ chroma_y_shift

int H264Context::chroma_y_shift

Definition at line 360 of file h264dec.h.

Referenced by fill_decode_caches(), h264_init_ps(), h264_slice_header_init(), loop_filter(), and write_back_non_zero_count().

◆ droppable

int H264Context::droppable

Definition at line 362 of file h264dec.h.

Referenced by decode_finish_row(), decode_nal_units(), ff_h264_field_end(), ff_h264_queue_decode_slice(), ff_h264_update_thread_context(), h264_field_start(), and h264_frame_start().

◆ coded_picture_number

int H264Context::coded_picture_number

Definition at line 363 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), and h264_frame_start().

◆ context_initialized

int H264Context::context_initialized

Definition at line 365 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), flush_dpb(), h264_decode_init(), h264_init_ps(), and h264_slice_header_init().

◆ flags

int H264Context::flags

Definition at line 366 of file h264dec.h.

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

◆ workaround_bugs

int H264Context::workaround_bugs

Definition at line 367 of file h264dec.h.

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

◆ x264_build

int H264Context::x264_build

Definition at line 368 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_update_thread_context(), h264_frame_start(), h264_slice_header_init(), hl_decode_mb_predict_luma(), and pred_spatial_direct_motion().

◆ postpone_filter

int H264Context::postpone_filter

Definition at line 373 of file h264dec.h.

Referenced by decode_slice(), ff_h264_execute_decode_slices(), h264_frame_start(), h264_slice_init(), and loop_filter().

◆ picture_idr

int H264Context::picture_idr

Definition at line 378 of file h264dec.h.

Referenced by h264_field_start(), and h264_slice_init().

◆ crop_left

int H264Context::crop_left

Definition at line 380 of file h264dec.h.

Referenced by h264_frame_start(), and init_dimensions().

◆ crop_right

int H264Context::crop_right

Definition at line 381 of file h264dec.h.

Referenced by h264_frame_start(), and init_dimensions().

◆ crop_top

int H264Context::crop_top

Definition at line 382 of file h264dec.h.

Referenced by h264_frame_start(), and init_dimensions().

◆ crop_bottom

int H264Context::crop_bottom

Definition at line 383 of file h264dec.h.

Referenced by h264_frame_start(), and init_dimensions().

◆ intra4x4_pred_mode

int8_t* H264Context::intra4x4_pred_mode

Definition at line 385 of file h264dec.h.

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

◆ hpc

H264PredContext H264Context::hpc

Definition at line 386 of file h264dec.h.

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

◆ non_zero_count

uint8_t(* H264Context::non_zero_count)[48]

Definition at line 388 of file h264dec.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().

◆ block_offset

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

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

Definition at line 397 of file h264dec.h.

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

◆ mb2b_xy

uint32_t* H264Context::mb2b_xy

Definition at line 399 of file h264dec.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().

◆ mb2br_xy

uint32_t* H264Context::mb2br_xy

Definition at line 400 of file h264dec.h.

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

◆ b_stride

int H264Context::b_stride

Definition at line 401 of file h264dec.h.

Referenced by ff_h264_alloc_tables(), ff_h264_update_thread_context(), fill_decode_caches(), fill_filter_caches_inter(), h264_init_ps(), pred_pskip_motion(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and write_back_motion().

◆ slice_table

uint16_t* H264Context::slice_table

slice_table_base + 2*mb_stride + 1

Definition at line 403 of file h264dec.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_free_tables(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), h264_field_start(), predict_field_decoding_flag(), and xchg_mb_border().

◆ mb_aff_frame

int H264Context::mb_aff_frame

Definition at line 406 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), and h264_frame_start().

◆ picture_structure

int H264Context::picture_structure

Definition at line 407 of file h264dec.h.

Referenced by decode_finish_row(), decode_nal_units(), decode_slice(), ff_h264_direct_dist_scale_factor(), ff_h264_direct_ref_list_init(), ff_h264_draw_horiz_band(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_queue_decode_slice(), ff_h264_update_thread_context(), fill_colmap(), fill_picture_parameters(), filter_mb_dir(), get_lowest_part_y(), h264_field_start(), h264_frame_start(), h264_init_context(), h264_initialise_ref_list(), h264_slice_init(), implicit_weight_table(), nvdec_h264_start_frame(), pic_num_extract(), vaapi_h264_start_frame(), and vdpau_h264_start_frame().

◆ first_field

int H264Context::first_field

Definition at line 408 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_draw_horiz_band(), ff_h264_flush_change(), ff_h264_queue_decode_slice(), ff_h264_update_thread_context(), generate_sliding_window_mmcos(), h264_field_start(), h264_slice_header_init(), nvdec_h264_start_frame(), and send_next_delayed_frame().

◆ list_counts

uint8_t* H264Context::list_counts

Array of list_count per MB specifying the slice type.

Definition at line 410 of file h264dec.h.

Referenced by ff_h264_alloc_tables(), and ff_h264_free_tables().

◆ cbp_table

uint16_t* H264Context::cbp_table

Definition at line 413 of file h264dec.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().

◆ chroma_pred_mode_table

uint8_t* H264Context::chroma_pred_mode_table

Definition at line 416 of file h264dec.h.

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

◆ mvd_table

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

Definition at line 417 of file h264dec.h.

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

◆ direct_table

uint8_t* H264Context::direct_table

Definition at line 418 of file h264dec.h.

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

◆ scan_padding

uint8_t H264Context::scan_padding[16]

Definition at line 420 of file h264dec.h.

◆ zigzag_scan

uint8_t H264Context::zigzag_scan[16]

Definition at line 421 of file h264dec.h.

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

◆ zigzag_scan8x8

uint8_t H264Context::zigzag_scan8x8[64]

Definition at line 422 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

◆ zigzag_scan8x8_cavlc

uint8_t H264Context::zigzag_scan8x8_cavlc[64]

Definition at line 423 of file h264dec.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

◆ field_scan

uint8_t H264Context::field_scan[16]

Definition at line 424 of file h264dec.h.

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

◆ field_scan8x8

uint8_t H264Context::field_scan8x8[64]

Definition at line 425 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

◆ field_scan8x8_cavlc

uint8_t H264Context::field_scan8x8_cavlc[64]

Definition at line 426 of file h264dec.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

◆ zigzag_scan_q0

uint8_t H264Context::zigzag_scan_q0[16]

Definition at line 427 of file h264dec.h.

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

◆ zigzag_scan8x8_q0

uint8_t H264Context::zigzag_scan8x8_q0[64]

Definition at line 428 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

◆ zigzag_scan8x8_cavlc_q0

uint8_t H264Context::zigzag_scan8x8_cavlc_q0[64]

Definition at line 429 of file h264dec.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

◆ field_scan_q0

uint8_t H264Context::field_scan_q0[16]

Definition at line 430 of file h264dec.h.

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

◆ field_scan8x8_q0

uint8_t H264Context::field_scan8x8_q0[64]

Definition at line 431 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and init_scan_tables().

◆ field_scan8x8_cavlc_q0

uint8_t H264Context::field_scan8x8_cavlc_q0[64]

Definition at line 432 of file h264dec.h.

Referenced by ff_h264_decode_mb_cavlc(), and init_scan_tables().

◆ mb_y

int H264Context::mb_y

Definition at line 434 of file h264dec.h.

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

◆ mb_height

int H264Context::mb_height

Definition at line 435 of file h264dec.h.

Referenced by await_reference_mb_row(), await_references(), commit_bitstream_and_slice_buffer(), decode_finish_row(), decode_slice(), ff_h264_alloc_tables(), ff_h264_execute_decode_slices(), ff_h264_slice_context_init(), ff_h264_update_thread_context(), fill_picture_parameters(), finalize_frame(), h264_decode_frame(), h264_field_start(), h264_init_ps(), h264_slice_init(), init_table_pools(), mc_dir_part(), nvdec_h264_start_frame(), and vaapi_h264_start_frame().

◆ mb_width

int H264Context::mb_width

Definition at line 435 of file h264dec.h.

Referenced by alloc_scratch_buffers(), commit_bitstream_and_slice_buffer(), decode_slice(), ff_h264_alloc_tables(), ff_h264_execute_decode_slices(), ff_h264_slice_context_init(), ff_h264_update_thread_context(), fill_picture_parameters(), fill_slice_long(), finalize_frame(), h264_init_ps(), h264_slice_init(), init_table_pools(), mc_dir_part(), nvdec_h264_start_frame(), vaapi_h264_decode_slice(), vaapi_h264_start_frame(), and xchg_mb_border().

◆ mb_stride

int H264Context::mb_stride

Definition at line 436 of file h264dec.h.

Referenced by alloc_picture(), decode_cabac_field_decoding_flag(), decode_cabac_mb_skip(), fetch_diagonal_mv(), ff_h264_alloc_tables(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_h264_slice_context_init(), ff_h264_update_thread_context(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), filter_mb_dir(), finalize_frame(), h264_er_decode_mb(), h264_field_start(), h264_init_ps(), h264_slice_header_init(), init_table_pools(), loop_filter(), pred_spatial_direct_motion(), pred_temp_direct_motion(), predict_field_decoding_flag(), and xchg_mb_border().

◆ mb_num

int H264Context::mb_num

Definition at line 437 of file h264dec.h.

Referenced by decode_slice(), ff_h264_slice_context_init(), ff_h264_update_thread_context(), h264_init_ps(), and h264_slice_init().

◆ nal_ref_idc

int H264Context::nal_ref_idc

Definition at line 442 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_queue_decode_slice(), fill_picture_parameters(), nvdec_h264_start_frame(), vaapi_h264_start_frame(), and vdpau_h264_start_frame().

◆ nal_unit_type

int H264Context::nal_unit_type

Definition at line 443 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_queue_decode_slice(), h264_decode_frame(), and h264_slice_init().

◆ has_slice

int H264Context::has_slice

slice NAL is found in the packet, set by decode_nal_units, its state does not need to be preserved outside h264_decode_frame()

Definition at line 445 of file h264dec.h.

Referenced by decode_nal_units(), and h264_decode_frame().

◆ is_avc

int H264Context::is_avc

Used to parse AVC variant of H.264.

this flag is != 0 if codec is avc1

Definition at line 450 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_update_thread_context(), ff_videotoolbox_h264_decode_slice(), ff_videotoolbox_h264_start_frame(), h264_decode_frame(), and h264_decode_init().

◆ nal_length_size

int H264Context::nal_length_size

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

Definition at line 451 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_update_thread_context(), h264_decode_frame(), and h264_decode_init().

◆ bit_depth_luma

int H264Context::bit_depth_luma

luma bit depth from sps to detect changes

Definition at line 453 of file h264dec.h.

Referenced by h264_init_ps(), and h264_slice_header_init().

◆ chroma_format_idc

int H264Context::chroma_format_idc

chroma format from sps to detect changes

Definition at line 454 of file h264dec.h.

Referenced by h264_init_ps(), and h264_slice_header_init().

◆ ps

H264ParamSets H264Context::ps

Definition at line 456 of file h264dec.h.

Referenced by avpriv_h264_has_num_reorder_frames(), decode_cabac_luma_residual(), decode_luma_residual(), decode_nal_units(), decode_slice(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_execute_ref_pic_marking(), ff_h264_filter_mb(), ff_h264_filter_mb_fast(), ff_h264_init_cabac_states(), ff_h264_queue_decode_slice(), ff_h264_update_thread_context(), ff_videotoolbox_avcc_extradata_create(), fill_decode_caches(), fill_filter_caches(), fill_picture_parameters(), fill_scaling_lists(), fill_slice_long(), filter_mb_dir(), generate_sliding_window_mmcos(), get_dct8x8_allowed(), get_pixel_format(), h264_decode_end(), h264_decode_frame(), h264_decode_init(), h264_export_frame_props(), h264_field_start(), h264_filter_mb_fast_internal(), h264_frame_start(), h264_init_ps(), h264_select_output_frame(), h264_slice_header_init(), h264_slice_header_parse(), h264_slice_init(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), init_dimensions(), init_scan_tables(), loop_filter(), nvdec_h264_frame_params(), nvdec_h264_start_frame(), pred_spatial_direct_motion(), pred_temp_direct_motion(), vaapi_h264_decode_slice(), vaapi_h264_start_frame(), vdpau_h264_start_frame(), and videotoolbox_h264_decode_params().

◆ slice_table_base

uint16_t* H264Context::slice_table_base

Definition at line 458 of file h264dec.h.

Referenced by ff_h264_alloc_tables(), and ff_h264_free_tables().

◆ poc

H264POCContext H264Context::poc

Definition at line 460 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_execute_ref_pic_marking(), ff_h264_field_end(), ff_h264_flush_change(), ff_h264_update_thread_context(), fill_picture_parameters(), h264_field_start(), h264_frame_start(), h264_init_context(), h264_slice_header_parse(), h264_slice_init(), idr(), nvdec_h264_start_frame(), vaapi_h264_start_frame(), and vdpau_h264_start_frame().

◆ default_ref

H264Ref H264Context::default_ref[2]

Definition at line 462 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_remove_all_refs(), and h264_initialise_ref_list().

◆ short_ref

H264Picture* H264Context::short_ref[32]

Definition at line 463 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_execute_ref_pic_marking(), ff_h264_remove_all_refs(), ff_h264_update_thread_context(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), find_short(), generate_sliding_window_mmcos(), h264_field_start(), h264_initialise_ref_list(), h264_slice_init(), nvdec_h264_start_frame(), print_short_term(), remove_short_at_index(), and vdpau_h264_set_reference_frames().

◆ long_ref

H264Picture* H264Context::long_ref[32]

Definition at line 464 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_execute_ref_pic_marking(), ff_h264_update_thread_context(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), h264_initialise_ref_list(), h264_slice_init(), nvdec_h264_start_frame(), print_long_term(), remove_long(), and vdpau_h264_set_reference_frames().

◆ delayed_pic

H264Picture* H264Context::delayed_pic[MAX_DELAYED_PIC_COUNT+2]

Definition at line 465 of file h264dec.h.

Referenced by ff_h264_flush_change(), ff_h264_update_thread_context(), flush_dpb(), h264_decode_end(), h264_select_output_frame(), send_next_delayed_frame(), and unreference_pic().

◆ last_pocs

int H264Context::last_pocs[MAX_DELAYED_PIC_COUNT]

Definition at line 466 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_execute_ref_pic_marking(), ff_h264_update_thread_context(), h264_field_start(), h264_init_context(), h264_select_output_frame(), and idr().

◆ next_output_pic

H264Picture* H264Context::next_output_pic

Definition at line 467 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), h264_decode_frame(), h264_frame_start(), and h264_select_output_frame().

◆ next_outputed_poc

int H264Context::next_outputed_poc

Definition at line 468 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_flush_change(), ff_h264_update_thread_context(), h264_init_context(), and h264_select_output_frame().

◆ mmco

MMCO H264Context::mmco[MAX_MMCO_COUNT]

memory management control operations buffer.

Definition at line 473 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), ff_h264_update_thread_context(), generate_sliding_window_mmcos(), and h264_field_start().

◆ nb_mmco

int H264Context::nb_mmco

Definition at line 474 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), ff_h264_update_thread_context(), generate_sliding_window_mmcos(), and h264_field_start().

◆ mmco_reset

int H264Context::mmco_reset

Definition at line 475 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), ff_h264_flush_change(), ff_h264_update_thread_context(), and h264_select_output_frame().

◆ explicit_ref_marking

int H264Context::explicit_ref_marking

Definition at line 476 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), ff_h264_update_thread_context(), and h264_field_start().

◆ long_ref_count

int H264Context::long_ref_count

number of actual long term references

Definition at line 478 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), ff_h264_remove_all_refs(), ff_h264_update_thread_context(), generate_sliding_window_mmcos(), h264_slice_init(), and remove_long().

◆ short_ref_count

int H264Context::short_ref_count

number of actual short term references

Definition at line 479 of file h264dec.h.

Referenced by ff_h264_build_ref_list(), ff_h264_execute_ref_pic_marking(), ff_h264_remove_all_refs(), ff_h264_update_thread_context(), fill_picture_parameters(), fill_vaapi_ReferenceFrames(), find_short(), generate_sliding_window_mmcos(), h264_field_start(), h264_initialise_ref_list(), h264_slice_init(), nvdec_h264_start_frame(), print_short_term(), remove_short(), remove_short_at_index(), and vdpau_h264_set_reference_frames().

◆ current_slice

int H264Context::current_slice

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

Definition at line 488 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_direct_ref_list_init(), ff_h264_field_end(), ff_h264_flush_change(), ff_h264_queue_decode_slice(), fill_slice_long(), h264_init_ps(), h264_slice_header_parse(), and h264_slice_init().

◆ prev_interlaced_frame

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 498 of file h264dec.h.

Referenced by ff_h264_flush_change(), h264_export_frame_props(), and h264_slice_header_init().

◆ valid_recovery_point

int H264Context::valid_recovery_point

Are the SEI recovery points looking valid.

Definition at line 503 of file h264dec.h.

Referenced by h264_field_start().

◆ recovery_frame

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 511 of file h264dec.h.

Referenced by ff_h264_flush_change(), ff_h264_update_thread_context(), h264_field_start(), and h264_init_context().

◆ frame_recovered

int H264Context::frame_recovered

Initial frame has been completely recovered.

Definition at line 524 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), ff_h264_flush_change(), ff_h264_update_thread_context(), h264_field_start(), h264_frame_start(), h264_init_context(), and h264_select_output_frame().

◆ has_recovery_point

int H264Context::has_recovery_point

Definition at line 526 of file h264dec.h.

Referenced by decode_nal_units(), and ff_h264_execute_ref_pic_marking().

◆ missing_fields

int H264Context::missing_fields

Definition at line 528 of file h264dec.h.

Referenced by h264_field_start().

◆ setup_finished

int H264Context::setup_finished

Definition at line 534 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_queue_decode_slice(), h264_decode_frame(), h264_init_ps(), h264_slice_header_parse(), and h264_slice_init().

◆ cur_chroma_format_idc

int H264Context::cur_chroma_format_idc

Definition at line 536 of file h264dec.h.

Referenced by h264_init_context(), h264_init_ps(), and h264_slice_header_init().

◆ cur_bit_depth_luma

int H264Context::cur_bit_depth_luma

Definition at line 537 of file h264dec.h.

Referenced by h264_init_ps(), and h264_slice_header_init().

◆ slice_row

int16_t H264Context::slice_row[MAX_SLICES]

to detect when MAX_SLICES is too low

Definition at line 538 of file h264dec.h.

Referenced by h264_slice_init().

◆ width_from_caller

int H264Context::width_from_caller

Definition at line 542 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), h264_init_context(), and init_dimensions().

◆ height_from_caller

int H264Context::height_from_caller

Definition at line 543 of file h264dec.h.

Referenced by ff_h264_update_thread_context(), h264_init_context(), and init_dimensions().

◆ enable_er

int H264Context::enable_er

Definition at line 545 of file h264dec.h.

Referenced by decode_nal_units(), er_add_slice(), ff_h264_update_thread_context(), h264_decode_init(), and h264_frame_start().

◆ sei

H264SEIContext H264Context::sei

Definition at line 547 of file h264dec.h.

Referenced by decode_nal_units(), ff_h264_queue_decode_slice(), flush_dpb(), h264_decode_end(), h264_export_frame_props(), h264_field_start(), h264_frame_start(), h264_init_context(), and output_frame().

◆ qscale_table_pool

AVBufferPool* H264Context::qscale_table_pool

Definition at line 549 of file h264dec.h.

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

◆ mb_type_pool

AVBufferPool* H264Context::mb_type_pool

Definition at line 550 of file h264dec.h.

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

◆ motion_val_pool

AVBufferPool* H264Context::motion_val_pool

Definition at line 551 of file h264dec.h.

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

◆ ref_index_pool

AVBufferPool* H264Context::ref_index_pool

Definition at line 552 of file h264dec.h.

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

◆ ref2frm

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 553 of file h264dec.h.

Referenced by fill_filter_caches_inter(), and h264_slice_init().

The documentation for this struct was generated from the following file:
Generated on Tue May 22 2018 07:07:22 for FFmpeg by   doxygen 1.8.13