FFmpeg: RV34DecContext Struct Reference

FFmpeg 4.0

decoder context More...

#include <libavcodec/rv34.h>

Data Fields
MpegEncContext	s

RV34DSPContext	rdsp

int8_t *	intra_types_hist
	old block types, used for prediction More...

int8_t *	intra_types
	block types More...

int	intra_types_stride
	block types array stride More...

const uint8_t *	luma_dc_quant_i
	luma subblock DC quantizer for intraframes More...

const uint8_t *	luma_dc_quant_p
	luma subblock DC quantizer for interframes More...

RV34VLC *	cur_vlcs
	VLC set used for current frame decoding. More...

H264PredContext	h
	functions for 4x4 and 16x16 intra block prediction More...

SliceInfo	si
	current slice information More...

int *	mb_type
	internal macroblock types More...

int	block_type
	current block type More...

int	luma_vlc
	which VLC set will be used for decoding of luma blocks More...

int	chroma_vlc
	which VLC set will be used for decoding of chroma blocks More...

int	is16
	current block has additional 16x16 specific features or not More...

int	dmv [4][2]
	differential motion vectors for the current macroblock More...

int	rv30
	indicates which RV variant is currently decoded More...

int	max_rpr

int	cur_pts

int	last_pts

int	next_pts

int	scaled_weight

int	weight1

int	weight2
	B-frame distance fractions (0.14) used in motion compensation. More...

int	mv_weight1

int	mv_weight2

int	orig_width

int	orig_height

uint16_t *	cbp_luma
	CBP values for luma subblocks. More...

uint8_t *	cbp_chroma
	CBP values for chroma subblocks. More...

uint16_t *	deblock_coefs
	deblock coefficients for each macroblock More...

uint32_t	avail_cache [3 *4]
	8x8 block available flags (for MV prediction) More...

uint8_t *	tmp_b_block_y [2]
	temporary blocks for RV4 weighted MC More...

uint8_t *	tmp_b_block_uv [4]

uint8_t *	tmp_b_block_base

int(*	parse_slice_header )(struct RV34DecContext r, GetBitContext gb, SliceInfo *si)

int(*	decode_mb_info )(struct RV34DecContext *r)

int(*	decode_intra_types )(struct RV34DecContext r, GetBitContext gb, int8_t *dst)

void(*	loop_filter )(struct RV34DecContext *r, int row)

Detailed Description

decoder context

Definition at line 84 of file rv34.h.

Field Documentation

◆ s

MpegEncContext RV34DecContext::s

◆ rdsp

RV34DSPContext RV34DecContext::rdsp

Definition at line 86 of file rv34.h.

Referenced by ff_rv34_decode_init(), rv34_decode_inter_macroblock(), rv34_mc_1mv(), rv34_mc_2mv(), rv34_mc_2mv_skip(), rv34_output_i16x16(), rv34_process_block(), rv40_loop_filter(), and rv4_weight().

◆ intra_types_hist

int8_t* RV34DecContext::intra_types_hist

old block types, used for prediction

Definition at line 87 of file rv34.h.

Referenced by ff_rv34_decode_init_thread_copy(), rv34_decode_slice(), rv34_decoder_alloc(), and rv34_decoder_free().

◆ intra_types

int8_t* RV34DecContext::intra_types

block types

Definition at line 88 of file rv34.h.

Referenced by rv34_decode_slice(), rv34_decoder_alloc(), and rv34_decoder_free().

◆ intra_types_stride

int RV34DecContext::intra_types_stride

block types array stride

Definition at line 89 of file rv34.h.

Referenced by rv30_decode_intra_types(), rv34_decode_inter_mb_header(), rv34_decode_intra_mb_header(), rv34_decode_slice(), rv34_decoder_alloc(), rv34_output_intra(), and rv40_decode_intra_types().

◆ luma_dc_quant_i

const uint8_t* RV34DecContext::luma_dc_quant_i

luma subblock DC quantizer for intraframes

Definition at line 90 of file rv34.h.

Referenced by rv30_decode_init(), rv34_output_i16x16(), and rv40_decode_init().

◆ luma_dc_quant_p

const uint8_t* RV34DecContext::luma_dc_quant_p

luma subblock DC quantizer for interframes

Definition at line 91 of file rv34.h.

Referenced by rv30_decode_init(), rv34_decode_inter_macroblock(), and rv40_decode_init().

◆ cur_vlcs

RV34VLC* RV34DecContext::cur_vlcs

VLC set used for current frame decoding.

Definition at line 93 of file rv34.h.

Referenced by rv34_decode_inter_macroblock(), rv34_decode_inter_mb_header(), rv34_decode_intra_mb_header(), rv34_output_i16x16(), and rv34_process_block().

◆ h

H264PredContext RV34DecContext::h

functions for 4x4 and 16x16 intra block prediction

Definition at line 94 of file rv34.h.

Referenced by ff_rv34_decode_init(), rv34_output_i16x16(), and rv34_pred_4x4_block().

◆ si

SliceInfo RV34DecContext::si

current slice information

Definition at line 95 of file rv34.h.

Referenced by ff_rv34_decode_frame(), ff_rv34_decode_update_thread_context(), rv34_decode_inter_macroblock(), rv34_decode_inter_mb_header(), rv34_decode_intra_macroblock(), rv34_decode_intra_mb_header(), and rv34_decode_slice().

◆ mb_type

int* RV34DecContext::mb_type

internal macroblock types

Definition at line 97 of file rv34.h.

Referenced by ff_rv34_decode_init_thread_copy(), rv34_decode_inter_mb_header(), rv34_decoder_alloc(), rv34_decoder_free(), and rv40_decode_mb_info().

◆ block_type

int RV34DecContext::block_type

current block type

Definition at line 98 of file rv34.h.

Referenced by rv34_decode_inter_mb_header(), and rv34_decode_intra_mb_header().

◆ luma_vlc

int RV34DecContext::luma_vlc

which VLC set will be used for decoding of luma blocks

Definition at line 99 of file rv34.h.

Referenced by rv34_decode_inter_macroblock(), rv34_decode_inter_mb_header(), rv34_decode_intra_mb_header(), rv34_output_i16x16(), and rv34_output_intra().

◆ chroma_vlc

int RV34DecContext::chroma_vlc

which VLC set will be used for decoding of chroma blocks

Definition at line 100 of file rv34.h.

Referenced by rv34_decode_inter_macroblock(), rv34_decode_inter_mb_header(), rv34_decode_intra_mb_header(), rv34_output_i16x16(), and rv34_output_intra().

◆ is16

int RV34DecContext::is16

current block has additional 16x16 specific features or not

Definition at line 101 of file rv34.h.

Referenced by rv34_decode_inter_macroblock(), rv34_decode_inter_mb_header(), rv34_decode_intra_macroblock(), and rv34_decode_intra_mb_header().

◆ dmv

int RV34DecContext::dmv[4][2]

differential motion vectors for the current macroblock

Definition at line 102 of file rv34.h.

Referenced by rv34_decode_mv(), rv34_pred_mv(), rv34_pred_mv_b(), and rv34_pred_mv_rv3().

◆ rv30

int RV34DecContext::rv30

indicates which RV variant is currently decoded

Definition at line 104 of file rv34.h.

Referenced by rv30_decode_init(), rv34_decode_intra_mb_header(), rv34_decode_mv(), rv34_mc_1mv(), rv34_mc_2mv(), rv34_mc_2mv_skip(), rv34_pred_mv(), rv34_set_deblock_coef(), and rv40_decode_init().

◆ max_rpr

int RV34DecContext::max_rpr

Definition at line 105 of file rv34.h.

Referenced by rv30_decode_init(), and rv30_parse_slice_header().

◆ cur_pts

int RV34DecContext::cur_pts

Definition at line 107 of file rv34.h.

Referenced by ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().

◆ last_pts

int RV34DecContext::last_pts

Definition at line 107 of file rv34.h.

Referenced by ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().

◆ next_pts

int RV34DecContext::next_pts

Definition at line 107 of file rv34.h.

Referenced by ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().

◆ scaled_weight

int RV34DecContext::scaled_weight

Definition at line 108 of file rv34.h.

Referenced by ff_rv34_decode_frame(), and rv4_weight().

◆ weight1

int RV34DecContext::weight1

Definition at line 109 of file rv34.h.

Referenced by ff_rv34_decode_frame(), rv34_mc_2mv(), rv34_mc_2mv_skip(), and rv4_weight().

◆ weight2

int RV34DecContext::weight2

B-frame distance fractions (0.14) used in motion compensation.

Definition at line 109 of file rv34.h.

Referenced by ff_rv34_decode_frame(), and rv4_weight().

◆ mv_weight1

int RV34DecContext::mv_weight1

Definition at line 110 of file rv34.h.

Referenced by calc_add_mv(), and ff_rv34_decode_frame().

◆ mv_weight2

int RV34DecContext::mv_weight2

Definition at line 110 of file rv34.h.

Referenced by calc_add_mv(), and ff_rv34_decode_frame().

◆ orig_width

int RV34DecContext::orig_width

Definition at line 112 of file rv34.h.

Referenced by rv30_decode_init(), and rv30_parse_slice_header().

◆ orig_height

int RV34DecContext::orig_height

Definition at line 112 of file rv34.h.

Referenced by rv30_decode_init(), and rv30_parse_slice_header().

◆ cbp_luma

uint16_t* RV34DecContext::cbp_luma

CBP values for luma subblocks.

Definition at line 114 of file rv34.h.

Referenced by ff_rv34_decode_init_thread_copy(), rv34_decode_inter_macroblock(), rv34_decode_intra_macroblock(), rv34_decoder_alloc(), rv34_decoder_free(), and rv40_loop_filter().

◆ cbp_chroma

uint8_t* RV34DecContext::cbp_chroma

CBP values for chroma subblocks.

Definition at line 115 of file rv34.h.

Referenced by ff_rv34_decode_init_thread_copy(), rv30_loop_filter(), rv34_decode_inter_macroblock(), rv34_decode_intra_macroblock(), rv34_decoder_alloc(), rv34_decoder_free(), and rv40_loop_filter().

◆ deblock_coefs

uint16_t* RV34DecContext::deblock_coefs

deblock coefficients for each macroblock

Definition at line 116 of file rv34.h.

Referenced by ff_rv34_decode_init_thread_copy(), rv30_loop_filter(), rv34_decode_inter_macroblock(), rv34_decode_intra_macroblock(), rv34_decoder_alloc(), rv34_decoder_free(), rv34_set_deblock_coef(), and rv40_loop_filter().

◆ avail_cache

uint32_t RV34DecContext::avail_cache[3 *4]

8x8 block available flags (for MV prediction)

Definition at line 119 of file rv34.h.

Referenced by rv34_decode_inter_macroblock(), rv34_decode_intra_macroblock(), rv34_output_i16x16(), rv34_output_intra(), rv34_pred_mv(), rv34_pred_mv_b(), rv34_pred_mv_rv3(), and rv40_decode_mb_info().

◆ tmp_b_block_y

uint8_t* RV34DecContext::tmp_b_block_y[2]

temporary blocks for RV4 weighted MC

Definition at line 122 of file rv34.h.

Referenced by ff_rv34_decode_frame(), rv34_mc(), and rv4_weight().

◆ tmp_b_block_uv

uint8_t* RV34DecContext::tmp_b_block_uv[4]

Definition at line 123 of file rv34.h.

Referenced by ff_rv34_decode_frame(), rv34_mc(), and rv4_weight().

◆ tmp_b_block_base

uint8_t* RV34DecContext::tmp_b_block_base

Definition at line 124 of file rv34.h.

Referenced by ff_rv34_decode_frame(), ff_rv34_decode_init_thread_copy(), and rv34_decoder_free().

◆ parse_slice_header

int(* RV34DecContext::parse_slice_header) (struct RV34DecContext *r, GetBitContext *gb, SliceInfo *si)

Definition at line 126 of file rv34.h.

Referenced by ff_rv34_decode_frame(), rv30_decode_init(), rv34_decode_slice(), and rv40_decode_init().

◆ decode_mb_info

int(* RV34DecContext::decode_mb_info) (struct RV34DecContext *r)

Definition at line 127 of file rv34.h.

Referenced by rv30_decode_init(), rv34_decode_inter_mb_header(), and rv40_decode_init().

◆ decode_intra_types

int(* RV34DecContext::decode_intra_types) (struct RV34DecContext *r, GetBitContext *gb, int8_t *dst)

Definition at line 128 of file rv34.h.

Referenced by rv30_decode_init(), rv34_decode_inter_mb_header(), rv34_decode_intra_mb_header(), and rv40_decode_init().

◆ loop_filter

void(* RV34DecContext::loop_filter) (struct RV34DecContext *r, int row)

Definition at line 129 of file rv34.h.

Referenced by ff_rv34_decode_frame(), rv30_decode_init(), rv34_decode_slice(), and rv40_decode_init().

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

libavcodec/rv34.h