SnowContext Struct Reference

Data Fields
AVCodecContext *	avctx
RangeCoder	c
DSPContext	dsp
DWTContext	dwt
AVFrame	new_picture
AVFrame	input_picture
	new_picture with the internal linesizes
AVFrame	current_picture
AVFrame	last_picture [MAX_REF_FRAMES]
uint8_t *	halfpel_plane [MAX_REF_FRAMES][4][4]
AVFrame	mconly_picture
uint8_t	header_state [32]
uint8_t	block_state [128+32 *128]
int	keyframe
int	always_reset
int	version
int	spatial_decomposition_type
int	last_spatial_decomposition_type
int	temporal_decomposition_type
int	spatial_decomposition_count
int	last_spatial_decomposition_count
int	temporal_decomposition_count
int	max_ref_frames
int	ref_frames
int16_t(*[MAX_REF_FRAMES]	ref_mvs )[2]
uint32_t *	ref_scores [MAX_REF_FRAMES]
DWTELEM *	spatial_dwt_buffer
IDWTELEM *	spatial_idwt_buffer
int	colorspace_type
int	chroma_h_shift
int	chroma_v_shift
int	spatial_scalability
int	qlog
int	last_qlog
int	lambda
int	lambda2
int	pass1_rc
int	mv_scale
int	last_mv_scale
int	qbias
int	last_qbias
int	b_width
int	b_height
int	block_max_depth
int	last_block_max_depth
Plane	plane [MAX_PLANES]
BlockNode *	block
int	me_cache [ME_CACHE_SIZE]
int	me_cache_generation
slice_buffer	sb
MpegEncContext	m
uint8_t *	scratchbuf

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Detailed Description

Definition at line 439 of file snow.c.

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Field Documentation

int SnowContext::always_reset

Definition at line 455 of file snow.c.

Referenced by decode_header().

AVCodecContext* SnowContext::avctx

Definition at line 441 of file snow.c.

Referenced by alloc_blocks(), common_end(), common_init(), common_init_after_header(), decode_frame(), decode_header(), frame_start(), halfpel_interpol(), predict_slice(), and predict_slice_buffered().

int SnowContext::b_height

Definition at line 484 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), decode_blocks(), decode_frame(), predict_plane(), predict_slice(), and predict_slice_buffered().

int SnowContext::b_width

Definition at line 483 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), decode_blocks(), decode_q_branch(), predict_slice(), predict_slice_buffered(), and set_blocks().

BlockNode* SnowContext::block

Definition at line 488 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), common_end(), decode_q_branch(), and set_blocks().

int SnowContext::block_max_depth

Definition at line 485 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), decode_frame(), decode_header(), decode_q_branch(), predict_plane(), predict_slice(), predict_slice_buffered(), and set_blocks().

uint8_t SnowContext::block_state[128+32 *128]

Definition at line 453 of file snow.c.

Referenced by decode_q_branch(), and reset_contexts().

RangeCoder SnowContext::c

Definition at line 442 of file snow.c.

Referenced by decode_frame(), decode_header(), decode_q_branch(), decode_qlogs(), and unpack_coeffs().

int SnowContext::chroma_h_shift

Definition at line 470 of file snow.c.

Referenced by common_init_after_header(), and decode_header().

int SnowContext::chroma_v_shift

Definition at line 471 of file snow.c.

Referenced by common_init_after_header(), and decode_header().

int SnowContext::colorspace_type

Definition at line 469 of file snow.c.

Referenced by decode_header().

AVFrame SnowContext::current_picture

Definition at line 447 of file snow.c.

Referenced by common_end(), decode_frame(), frame_start(), predict_slice(), predict_slice_buffered(), and release_buffer().

DSPContext SnowContext::dsp

Definition at line 443 of file snow.c.

Referenced by common_init(), and frame_start().

DWTContext SnowContext::dwt

Definition at line 444 of file snow.c.

Referenced by add_yblock(), common_init(), and decode_frame().

uint8_t* SnowContext::halfpel_plane[MAX_REF_FRAMES][4][4]

Definition at line 449 of file snow.c.

Referenced by frame_start(), and release_buffer().

uint8_t SnowContext::header_state[32]

Definition at line 452 of file snow.c.

Referenced by decode_header(), decode_qlogs(), and reset_contexts().

AVFrame SnowContext::input_picture

new_picture with the internal linesizes

Definition at line 446 of file snow.c.

int SnowContext::keyframe

Definition at line 454 of file snow.c.

Referenced by decode_frame(), decode_header(), decode_q_branch(), frame_start(), predict_slice(), and predict_slice_buffered().

int SnowContext::lambda

Definition at line 475 of file snow.c.

int SnowContext::lambda2

Definition at line 476 of file snow.c.

int SnowContext::last_block_max_depth

Definition at line 486 of file snow.c.

int SnowContext::last_mv_scale

Definition at line 479 of file snow.c.

AVFrame SnowContext::last_picture[MAX_REF_FRAMES]

Definition at line 448 of file snow.c.

Referenced by common_end(), frame_start(), and release_buffer().

int SnowContext::last_qbias

Definition at line 481 of file snow.c.

int SnowContext::last_qlog

Definition at line 474 of file snow.c.

int SnowContext::last_spatial_decomposition_count

Definition at line 461 of file snow.c.

int SnowContext::last_spatial_decomposition_type

Definition at line 458 of file snow.c.

MpegEncContext SnowContext::m

Definition at line 494 of file snow.c.

Referenced by common_end().

int SnowContext::max_ref_frames

Definition at line 463 of file snow.c.

Referenced by common_init(), decode_header(), frame_start(), and release_buffer().

AVFrame SnowContext::mconly_picture

Definition at line 450 of file snow.c.

Referenced by common_end(), common_init(), and decode_frame().

int SnowContext::me_cache[ME_CACHE_SIZE]

Definition at line 490 of file snow.c.

int SnowContext::me_cache_generation

Definition at line 491 of file snow.c.

int SnowContext::mv_scale

Definition at line 478 of file snow.c.

Referenced by decode_header().

AVFrame SnowContext::new_picture

Definition at line 445 of file snow.c.

int SnowContext::pass1_rc

Definition at line 477 of file snow.c.

Plane SnowContext::plane[MAX_PLANES]

Definition at line 487 of file snow.c.

Referenced by common_end(), common_init_after_header(), decode_frame(), decode_header(), decode_qlogs(), predict_slice(), predict_slice_buffered(), and reset_contexts().

int SnowContext::qbias

Definition at line 480 of file snow.c.

Referenced by decode_header(), decode_subband_slice_buffered(), and dequantize_slice_buffered().

int SnowContext::qlog

Definition at line 473 of file snow.c.

Referenced by decode_frame(), decode_header(), decode_subband_slice_buffered(), and dequantize_slice_buffered().

int SnowContext::ref_frames

Definition at line 464 of file snow.c.

Referenced by decode_q_branch(), frame_start(), and pred_mv().

int16_t(*[MAX_REF_FRAMES] SnowContext::ref_mvs)[2]

Definition at line 465 of file snow.c.

Referenced by common_end().

uint32_t* SnowContext::ref_scores[MAX_REF_FRAMES]

Definition at line 466 of file snow.c.

Referenced by common_end().

slice_buffer SnowContext::sb

Definition at line 492 of file snow.c.

Referenced by decode_end(), and decode_frame().

uint8_t* SnowContext::scratchbuf

Definition at line 496 of file snow.c.

Referenced by add_yblock(), common_end(), and common_init().

int SnowContext::spatial_decomposition_count

Definition at line 460 of file snow.c.

Referenced by common_end(), common_init_after_header(), decode_frame(), decode_header(), and decode_qlogs().

int SnowContext::spatial_decomposition_type

Definition at line 457 of file snow.c.

Referenced by decode_frame(), and decode_header().

DWTELEM* SnowContext::spatial_dwt_buffer

Definition at line 467 of file snow.c.

Referenced by common_end(), common_init(), common_init_after_header(), and decode_frame().

IDWTELEM* SnowContext::spatial_idwt_buffer

Definition at line 468 of file snow.c.

Referenced by common_end(), common_init(), common_init_after_header(), decode_frame(), and decode_subband_slice_buffered().

int SnowContext::spatial_scalability

Definition at line 472 of file snow.c.

Referenced by decode_header().

int SnowContext::temporal_decomposition_count

Definition at line 462 of file snow.c.

Referenced by decode_header().

int SnowContext::temporal_decomposition_type

Definition at line 459 of file snow.c.

Referenced by decode_header().

int SnowContext::version

Definition at line 456 of file snow.c.

Referenced by decode_header().

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

• libavcodec/snow.c