IntraModeSearchState Struct Reference

Variables related to intra-mode search during inter frame coding. More...

#include <intra_mode_search.h>

Data Fields
PREDICTION_MODE	best_intra_mode
	The best luma intra-mode found so far.
Speed feature variables
Variables to help with pruning some luma intra-modes during inter frame coding process.
int	skip_intra_modes
	Whether to terminate all intra mode search.
uint8_t	directional_mode_skip_mask [INTRA_MODES]
	Whether a directional mode is pruned.
int	dir_mode_skip_mask_ready
	Whether directional_mode_skip_mask is valid for pruning.
Chroma mode search cache
A cache of the best chroma prediction mode to avoid having to search for chroma predictions repeatedly in av1_search_intra_uv_modes_in_interframe()
int	rate_uv_intra
	Total rate to transmit uv_mode.
int	rate_uv_tokenonly
	Rate transmit txfm tokens.
int64_t	dist_uvs
	Distortion of the uv_mode's recon.
uint8_t	skip_uvs
	Whether the uv txfm is skippable.
UV_PREDICTION_MODE	mode_uv
	The best uv mode.
PALETTE_MODE_INFO	pmi_uv
	Color map if mode_uv is palette.
int8_t	uv_angle_delta
	Angle delta if mode_uv directional.

Detailed Description

Variables related to intra-mode search during inter frame coding.

This is a set of variables used during intra-mode search for inter frames. This includes an histogram of gradient speed features and a cache of uv prediction to avoid repeated search of chroma prediction.

Field Documentation

best_intra_mode

PREDICTION_MODE IntraModeSearchState::best_intra_mode

The best luma intra-mode found so far.

Referenced by search_intra_modes_in_interframe().

skip_intra_modes

int IntraModeSearchState::skip_intra_modes

Whether to terminate all intra mode search.

Referenced by av1_handle_intra_y_mode(), and av1_search_intra_uv_modes_in_interframe().

directional_mode_skip_mask

uint8_t IntraModeSearchState::directional_mode_skip_mask[INTRA_MODES]

Whether a directional mode is pruned.

Referenced by av1_handle_intra_y_mode(), and av1_rd_pick_intra_sbuv_mode().

dir_mode_skip_mask_ready

int IntraModeSearchState::dir_mode_skip_mask_ready

Whether directional_mode_skip_mask is valid for pruning.

Referenced by av1_handle_intra_y_mode(), and av1_rd_pick_intra_sbuv_mode().

rate_uv_intra

int IntraModeSearchState::rate_uv_intra

Total rate to transmit uv_mode.

Referenced by av1_search_intra_uv_modes_in_interframe(), av1_search_palette_mode(), and init_intra_mode_search_state().

rate_uv_tokenonly

int IntraModeSearchState::rate_uv_tokenonly

Rate transmit txfm tokens.

Referenced by av1_search_intra_uv_modes_in_interframe(), and av1_search_palette_mode().

dist_uvs

int64_t IntraModeSearchState::dist_uvs

Distortion of the uv_mode's recon.

Referenced by av1_search_intra_uv_modes_in_interframe(), and av1_search_palette_mode().

skip_uvs

uint8_t IntraModeSearchState::skip_uvs

Whether the uv txfm is skippable.

Referenced by av1_search_intra_uv_modes_in_interframe(), and av1_search_palette_mode().

mode_uv

UV_PREDICTION_MODE IntraModeSearchState::mode_uv

The best uv mode.

Referenced by av1_search_intra_uv_modes_in_interframe(), and av1_search_palette_mode().

pmi_uv

PALETTE_MODE_INFO IntraModeSearchState::pmi_uv

Color map if mode_uv is palette.

Referenced by av1_search_intra_uv_modes_in_interframe(), and av1_search_palette_mode().

uv_angle_delta

int8_t IntraModeSearchState::uv_angle_delta

Angle delta if mode_uv directional.

Referenced by av1_search_intra_uv_modes_in_interframe(), and av1_search_palette_mode().

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

• av1/encoder/intra_mode_search.h