Data Structures

Here are the data structures with brief descriptions:

CAlgoCfg	Algorithm configuration parameters
Caom_active_map	Aom active region map
Caom_codec_ctx	Codec context structure
Caom_codec_cx_pkt	Encoder output packet
Caom_codec_dec_cfg	Initialization Configurations
Caom_codec_enc_cfg	Encoder configuration structure
Caom_codec_frame_buffer	External frame buffer
Caom_codec_stream_info	Initialization-time Feature Enabling
Caom_ext_part_config	Config information sent to the external partition model
Caom_ext_part_funcs	Callback function set for external partition model
Caom_fixed_buf	Generic fixed size buffer structure
Caom_image	Image Descriptor
Caom_inspect_init	Structure to hold inspection callback and context
Caom_metadata	Metadata payload
Caom_partition_decision	Partition decisions received from the external model
Caom_partition_features	Features pass to the external model to make partition decisions
Caom_partition_features_ab	Features pass to the external model to make partition decisions. Specifically, features collected after AB partition: HORZ_A, HORZ_B, VERT_A, VERT_B
Caom_partition_features_before_none	Features pass to the external model to make partition decisions. Specifically, features collected before NONE partition. Features "f" are used to determine: partition_none_allowed, partition_horz_allowed, partition_vert_allowed, do_rectangular_split, do_square_split Features "f_part2" are used to determine: prune_horz, prune_vert
Caom_partition_features_none	Features pass to the external model to make partition decisions. Specifically, features collected after NONE partition
Caom_partition_features_rect	Features pass to the external model to make partition decisions. Specifically, features collected after RECTANGULAR partition
Caom_partition_features_split	Features pass to the external model to make partition decisions. Specifically, features collected after SPLIT partition
Caom_partition_stats	Encoding stats for the given partition decision
Caom_rational	Rational Number
Caom_roi_map	Aom region of interest map
Caom_s_frame_info	Structure to hold information about S_FRAME
Caom_sb_features	Features of each super block
Caom_sb_simple_motion_features	Features collected from the simple motion process
Caom_sb_tpl_features	Features collected from the tpl process
Caom_scaling_mode	Aom image scaling mode
Caom_screen_content_tools_info	Structure to hold information about screen content tools
Caom_still_picture_info	Structure to hold information about still image coding
Caom_svc_layer_id
Caom_svc_params
Caom_svc_ref_frame_comp_pred
Caom_svc_ref_frame_config
Caom_tile_data	Structure to hold a tile's start address and size in the bitstream
Caom_tile_info	Structure to hold information about tiles in a frame
CAV1_COMP	Top level encoder structure
CAV1_COMP_DATA	Structure to hold data corresponding to an encoded frame
Cav1_ext_ref_frame	Structure to hold the external reference frame pointer
CAV1_PRIMARY	Top level primary encoder structure
Cav1_ref_frame	AV1 specific reference frame data struct
CAV1Common	Top level common structure used by both encoder and decoder
CAv1DecodeReturn	Structure to collect a buffer index when inspecting
CAV1EncAllIntraMultiThreadInfo	Encoder data related to multi-threading for allintra deltaq-mode=3
CAV1EncoderConfig	Main encoder configuration data structure
CAV1EncRowMultiThreadInfo	Encoder data related to row-based multi-threading
CAV1EncRowMultiThreadSync	Encoder parameters for synchronization of row based multi-threading
CAV1LrPickStruct	Structure to hold search parameter per restoration unit and intermediate buffer of Wiener filter used in pick filter stage of Loop restoration
CCB_COEFF_BUFFER	Stores the transforms coefficients for the whole superblock
CCdefBlockInfo	Parameters related to CDEF Block
CCdefInfo	Parameters related to CDEF
Ccfg_options	Encoder Config Options
CCoeffBufferPool
CCoeffCosts	Holds the costs needed to encode the coefficients
CColorCount	Colors are sorted by their count: the higher the better
CCommonContexts	Contexts used for transmitting various symbols in the bitstream
CCommonModeInfoParams	Params related to MB_MODE_INFO arrays and related info
CCommonQuantParams	Parameters related to quantization at the frame level
CCommonTileParams	Params related to tiles
CCOMP_RD_STATS	Rdcost stats in compound mode
CCompoundTypeCfg	Encoder flags for compound prediction modes
CCompoundTypeRdBuffers	Contains buffers used by av1_compound_type_rd()
CCYCLIC_REFRESH	The stucture of CYCLIC_REFRESH
CDecoderCodingBlock	Contains coding block data required by the decoder
CEncodeFrameInput	Input frames and last input frame
CEncodeFrameParams	Per-frame encoding parameters decided upon by av1_encode_strategy() and passed down to av1_encode()
CEncSegmentationInfo	Segmentation related information for the current frame
CExternalFlags	Flags signalled by the external interface at frame level
CExtRefreshFrameFlagsInfo	Frame refresh flags set by the external interface
CFeatureFlags	Frame level features
CFIRST_PASS_SPEED_FEATURES
CFIRSTPASS_INFO	Data structure used for managing first pass stats
CFIRSTPASS_STATS	The stucture of acummulated frame stats in the first pass
CForceIntegerMVInfo	Encoder info used for decision on forcing integer motion vectors
CFrameProbInfo	Encoder-side probabilities for pruning of various AV1 tools
CGF_FRAME_STATS	Accumulated stats and features for a frame
CGF_GROUP	Data related to the current GF/ARF group and the individual frames within the group
CGF_GROUP_STATS	Accumulated stats and features in a gf group
CGlobalMotionInfo	Parameters related to global motion search
CHIGH_LEVEL_SPEED_FEATURES	Sequence/frame level speed vs quality features
CInitialDimensions	Initial frame dimensions
Cinter_modes_info	Struct used to hold inter mode data for fast tx search
CInterModeSearchStateNonrd	Structure to store parameters and statistics used in non-rd inter mode evaluation
CInterpSearchFlags	Flags related to interpolation filter search
CIntraBCMVCosts	Holds mv costs for intrabc
CIntraModeCfg	Encoder flags for intra prediction
CIntraModeSearchState	Variables related to intra-mode search during inter frame coding
CKeyFrameCfg	Encoder config related to the coding of key frames
CLAYER_CONTEXT	The stucture of quantities related to each spatial and temporal layer
CLV_MAP_COEFF_COST	Costs for encoding the coefficients within a level
CLV_MAP_EOB_COST	Costs for encoding the eob
Cmacroblock	Encoder's parameters related to the current coding block
Cmacroblock_plane	Each source plane of the current macroblock
Cmacroblockd	Variables related to current coding block
CMB_MODE_INFO	Stores the prediction/txfm mode of the current coding block
CMB_MODE_INFO_EXT	Extended mode info derived from mbmi
CMB_MODE_INFO_EXT_FRAME	Stores best extended mode information at frame level
CMB_RD_INFO	Inter-mode txfm results for a partition block
CMB_RD_RECORD	Hash records of the inter-mode transform results
CMBMIExtFrameBufferInfo	Buffer to store mode information at mi_alloc_bsize (4x4 or 8x8) level
CModeCosts	Holds the entropy costs for various modes sent to the bitstream
Cmotion_mode_candidate	Motion mode information for inter mode search speedup
CMotionVectorSearchParams	Parameters for motion vector search process
CMultiThreadInfo	Encoder parameters related to multi-threading
CMvCosts	Holds mv costs for encoding and motion search
COBMCBuffer	Contains buffers used to speed up rdopt for obmc
CPALETTE_BUFFER	Contains color maps used in palette mode
CPartitionCfg	Encoder config for coding block partitioning
CPartitionSearchInfo	Holds some parameters related to partitioning schemes in AV1
CPRIMARY_RATE_CONTROL	Primary Rate Control parameters and status
CPrimaryMultiThreadInfo	Primary Encoder parameters related to multi-threading
CPruneInfoFromTpl	Struct used to hold TPL data to narrow down parts of the inter mode search
CRATE_CONTROL	Rate Control parameters and status
CRateControlCfg	Encoder rate control configuration parameters
CRefFrameDistanceInfo	Refrence frame distance related variables
CRefreshFrameInfo	Refresh frame flags for different type of frames
CResizeCfg	Encoder config related to resize
CResizePendingParams	Desired dimensions for an externally triggered resize
CRestorationInfo	Parameters related to Restoration Info
CRestorationStripeBoundaries	Parameters related to Restoration Stripe boundaries
CRestorationUnitInfo	Parameters related to Restoration Unit Info
CRestoreStateBuffers	Buffers to be backed up during parallel encode set to be restored later
CRestUnitSearchInfo	Parameters related to restoration types
CSgrprojInfo	Parameters related to Sgrproj Filter
CSPEED_FEATURES	Top level speed vs quality trade off data struture
CSuperBlockEnc	Superblock level encoder info
CSuperResCfg	Encoder config related to frame super-resolution
CSVC	The stucture of SVC
CTEMPORAL_FILTER_INFO	Temporal filter info for a gop
CTemporalFilterCtx	Parameters related to temporal filtering
CTimeStamps	Frame time stamps
CTplParams	Params related to temporal dependency model
CTWO_PASS	Two pass status and control data
CTWO_PASS_FRAME	Frame level Two pass status and control data
CTxfmSearchInfo	Stores various encoding/search decisions related to txfm search
CTxfmSearchParams	Defines the parameters used to perform txfm search
CTxfmSizeTypeCfg	Encoder flags for transform sizes and types
CVarBasedPartitionInfo	Thresholds for variance based partitioning
CWARP_SAMPLE_INFO	Holds the motion samples for warp motion model estimation
CWienerInfo	Parameters related to Wiener Filter
CWinnerModeParams	Parameters used for winner mode processing
CWinnerModeStats	Stores the best performing modes
Cyv12_buffer_config	YV12 frame buffer data structure