AVSContext Struct Reference

X are the vectors in the current macroblock (5,6,9,10) A is the macroblock to the left (4,8) B is the macroblock to the top (1,2) C is the macroblock to the top-right (3) D is the macroblock to the top-left (0)

the same is repeated for backward motion vectors

Definition at line 191 of file cavs.h.

Referenced by decode_mb_b(), ff_cavs_filter(), ff_cavs_init(), ff_cavs_init_mb(), ff_cavs_init_pic(), ff_cavs_inter(), ff_cavs_mv(), ff_cavs_next_mb(), set_mv_intra(), and store_mvs().

int AVSContext::pic_structure

Definition at line 167 of file cavs.h.

Referenced by decode_pic(), and decode_slice_header().

int AVSContext::pic_type

Definition at line 164 of file cavs.h.

Referenced by cavs_decode_frame(), decode_mb_i(), decode_pic(), decode_slice_header(), and set_mv_intra().

Picture AVSContext::picture

currently decoded frame

Definition at line 158 of file cavs.h.

Referenced by cavs_decode_frame(), decode_pic(), dequant(), ff_cavs_init_pic(), and ff_cavs_next_mb().

int AVSContext::pred_mode_Y[3 *3]

luma pred mode cache 0: -- B2 B3 3: A1 X0 X1 6: A3 X2 X3

Definition at line 199 of file cavs.h.

Referenced by decode_mb_i(), ff_cavs_init_mb(), ff_cavs_init_pic(), ff_cavs_modify_mb_i(), ff_cavs_next_mb(), and set_intra_mode_default().

int AVSContext::profile

Definition at line 161 of file cavs.h.

Referenced by decode_seq_header().

int AVSContext::progressive

Definition at line 166 of file cavs.h.

Referenced by decode_pic().

int AVSContext::qp

Definition at line 203 of file cavs.h.

Referenced by decode_mb_i(), decode_pic(), decode_residual_chroma(), decode_residual_inter(), decode_slice_header(), and ff_cavs_filter().

int AVSContext::qp_fixed

Definition at line 204 of file cavs.h.

Referenced by decode_mb_i(), decode_pic(), decode_residual_inter(), and decode_slice_header().

int AVSContext::ref_flag

Definition at line 171 of file cavs.h.

Referenced by decode_mb_p(), and decode_pic().

MpegEncContext AVSContext::s

Definition at line 156 of file cavs.h.

Referenced by cavs_decode_frame(), check_for_slice(), decode_mb_b(), decode_mb_i(), decode_mb_p(), decode_pic(), decode_residual_block(), decode_residual_chroma(), decode_residual_inter(), decode_seq_header(), decode_slice_header(), dequant(), ff_cavs_init(), ff_cavs_inter(), ff_cavs_mv(), and mc_dir_part().

int AVSContext::scale_den[2]

for scaling neighbouring MVs

Definition at line 222 of file cavs.h.

Referenced by decode_pic(), and scale_mv().

ScanTable AVSContext::scantable

Definition at line 206 of file cavs.h.

Referenced by decode_pic(), and dequant().

int AVSContext::skip_mode_flag

select between skip_count or one skip_flag per MB

Definition at line 168 of file cavs.h.

Referenced by decode_pic().

int AVSContext::stc

last start code

Definition at line 174 of file cavs.h.

Referenced by cavs_decode_frame(), check_for_slice(), decode_pic(), and decode_slice_header().

int AVSContext::stream_revision

0 for samples from 2006, 1 for rm52j encoder

Definition at line 165 of file cavs.h.

Referenced by decode_pic(), and set_intra_mode_default().

int AVSContext::sym_factor

for scaling in symmetrical B block

Definition at line 220 of file cavs.h.

Referenced by decode_pic(), and mv_pred_sym().

uint8_t * AVSContext::top_border_u

Definition at line 210 of file cavs.h.

Referenced by decode_mb_i(), ff_cavs_end(), ff_cavs_filter(), ff_cavs_init_top_lines(), and ff_cavs_load_intra_pred_chroma().

uint8_t * AVSContext::top_border_v

Definition at line 210 of file cavs.h.

Referenced by decode_mb_i(), ff_cavs_end(), ff_cavs_filter(), ff_cavs_init_top_lines(), and ff_cavs_load_intra_pred_chroma().

uint8_t* AVSContext::top_border_y

intra prediction is done with un-deblocked samples they are saved here before deblocking the MB

Definition at line 210 of file cavs.h.

Referenced by ff_cavs_end(), ff_cavs_filter(), ff_cavs_init_top_lines(), and ff_cavs_load_intra_pred_luma().

cavs_vector* AVSContext::top_mv[2]

Definition at line 192 of file cavs.h.

Referenced by ff_cavs_end(), ff_cavs_init_mb(), ff_cavs_init_top_lines(), and ff_cavs_next_mb().

int* AVSContext::top_pred_Y

Definition at line 200 of file cavs.h.

Referenced by ff_cavs_end(), ff_cavs_init_mb(), ff_cavs_init_top_lines(), ff_cavs_modify_mb_i(), and set_intra_mode_default().

uint8_t* AVSContext::top_qp

Definition at line 177 of file cavs.h.

Referenced by cavs_decode_frame(), decode_seq_header(), ff_cavs_end(), ff_cavs_filter(), and ff_cavs_init_top_lines().

uint8_t AVSContext::topleft_border_u

Definition at line 213 of file cavs.h.

Referenced by ff_cavs_filter(), and ff_cavs_load_intra_pred_chroma().

uint8_t AVSContext::topleft_border_v

Definition at line 213 of file cavs.h.

Referenced by ff_cavs_filter(), and ff_cavs_load_intra_pred_chroma().

uint8_t AVSContext::topleft_border_y

Definition at line 213 of file cavs.h.

Referenced by ff_cavs_filter(), and ff_cavs_load_intra_pred_luma().

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

libavcodec/cavs.h


Data Fields
MpegEncContext	s
CAVSDSPContext	cdsp
Picture	picture
	currently decoded frame
Picture	DPB [2]
	reference frames
int	dist [2]
	temporal distances from current frame to ref frames
int	profile
int	level
int	aspect_ratio
int	mb_width
int	mb_height
int	pic_type
int	stream_revision
	0 for samples from 2006, 1 for rm52j encoder
int	progressive
int	pic_structure
int	skip_mode_flag
	select between skip_count or one skip_flag per MB
int	loop_filter_disable
int	alpha_offset
int	beta_offset
int	ref_flag
int	mbx
int	mby
int	mbidx
	macroblock coordinates
int	flags
	availability flags of neighbouring macroblocks
int	stc
	last start code
uint8_t *	cy
uint8_t *	cu
uint8_t *	cv
	current MB sample pointers
int	left_qp
uint8_t *	top_qp
cavs_vector	mv [2 4 3]
	mv motion vector cache 0: D3 B2 B3 C2 4: A1 X0 X1 - 8: A3 X2 X3 -
cavs_vector *	top_mv [2]
cavs_vector *	col_mv
int	pred_mode_Y [3 *3]
	luma pred mode cache 0: -- B2 B3 3: A1 X0 X1 6: A3 X2 X3
int *	top_pred_Y
int	l_stride
int	c_stride
int	luma_scan [4]
int	qp
int	qp_fixed
int	cbp
ScanTable	scantable
uint8_t *	top_border_y
	intra prediction is done with un-deblocked samples they are saved here before deblocking the MB
uint8_t *	top_border_u
uint8_t *	top_border_v
uint8_t	left_border_y [26]
uint8_t	left_border_u [10]
uint8_t	left_border_v [10]
uint8_t	intern_border_y [26]
uint8_t	topleft_border_y
uint8_t	topleft_border_u
uint8_t	topleft_border_v
void(*	intra_pred_l [8])(uint8_t d, uint8_t top, uint8_t *left, int stride)
void(*	intra_pred_c [7])(uint8_t d, uint8_t top, uint8_t *left, int stride)
uint8_t *	col_type_base
int	sym_factor
	for scaling in symmetrical B block
int	direct_den [2]
	for scaling in direct B block
int	scale_den [2]
	for scaling neighbouring MVs
int	got_keyframe
DCTELEM *	block