FFmpeg: RV34DecContext Struct Reference

decoder context More...

#include <rv34.h>

Data Fields
MpegEncContext	s

RV34DSPContext	rdsp

int8_t *	intra_types_hist
	old block types, used for prediction

int8_t *	intra_types
	block types

int	intra_types_stride
	block types array stride

const uint8_t *	luma_dc_quant_i
	luma subblock DC quantizer for intraframes

const uint8_t *	luma_dc_quant_p
	luma subblock DC quantizer for interframes

RV34VLC *	cur_vlcs
	VLC set used for current frame decoding.

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

SliceInfo	si
	current slice information

int *	mb_type
	internal macroblock types

int	block_type
	current block type

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

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

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

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

int	rv30
	indicates which RV variasnt is currently decoded

int	rpr
	one field size in RV30 slice header

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.

int	mv_weight1

int	mv_weight2

uint16_t *	cbp_luma
	CBP values for luma subblocks.

uint8_t *	cbp_chroma
	CBP values for chroma subblocks.

uint16_t *	deblock_coefs
	deblock coefficients for each macroblock

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

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

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

MpegEncContext RV34DecContext::s

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().

int8_t* RV34DecContext::intra_types_hist

old block types, used for prediction

Definition at line 87 of file rv34.h.

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

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().

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().

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().

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().

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().

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().

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().

int* RV34DecContext::mb_type

internal macroblock types

Definition at line 97 of file rv34.h.

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

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().

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().

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().

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().

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().

int RV34DecContext::rv30

indicates which RV variasnt 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().

int RV34DecContext::rpr

one field size in RV30 slice header

Definition at line 105 of file rv34.h.

Referenced by rv30_decode_init(), and rv30_parse_slice_header().

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().

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().

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().

int RV34DecContext::scaled_weight

Definition at line 108 of file rv34.h.

Referenced by ff_rv34_decode_frame(), and rv4_weight().

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().

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().

int RV34DecContext::mv_weight1

Definition at line 110 of file rv34.h.

Referenced by calc_add_mv(), and ff_rv34_decode_frame().

int RV34DecContext::mv_weight2

Definition at line 110 of file rv34.h.

Referenced by calc_add_mv(), and ff_rv34_decode_frame().

uint16_t* RV34DecContext::cbp_luma

CBP values for luma subblocks.

Definition at line 112 of file rv34.h.

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

uint8_t* RV34DecContext::cbp_chroma

CBP values for chroma subblocks.

Definition at line 113 of file rv34.h.

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

uint16_t* RV34DecContext::deblock_coefs

deblock coefficients for each macroblock

Definition at line 114 of file rv34.h.

Referenced by 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().

uint32_t RV34DecContext::avail_cache[3 *4]

8x8 block available flags (for MV prediction)

Definition at line 117 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().

uint8_t* RV34DecContext::tmp_b_block_y[2]

temporary blocks for RV4 weighted MC

Definition at line 120 of file rv34.h.

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

uint8_t* RV34DecContext::tmp_b_block_uv[4]

Definition at line 121 of file rv34.h.

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

uint8_t* RV34DecContext::tmp_b_block_base

Definition at line 122 of file rv34.h.

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

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

Definition at line 124 of file rv34.h.

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

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

Definition at line 125 of file rv34.h.

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

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

Definition at line 126 of file rv34.h.

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

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

Definition at line 127 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