SnowContext Struct Reference

Data Fields
AVCodecContext *	avctx
RangeCoder	c
DSPContext	dsp
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 436 of file snow.c.

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Field Documentation

int SnowContext::always_reset

Definition at line 452 of file snow.c.

Referenced by decode_header(), and encode_header().

AVCodecContext* SnowContext::avctx

Definition at line 439 of file snow.c.

Referenced by alloc_blocks(), common_end(), common_init(), common_init_after_header(), decode_frame(), decode_header(), encode_blocks(), encode_frame(), encode_init(), encode_q_branch(), encode_subband_c0run(), frame_start(), get_4block_rd(), get_block_rd(), halfpel_interpol(), iterative_me(), predict_slice(), and predict_slice_buffered().

int SnowContext::b_height

Definition at line 481 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), decode_blocks(), decode_frame(), encode_blocks(), encode_init(), encode_q_branch(), get_block_bits(), get_block_rd(), iterative_me(), predict_plane(), predict_slice(), and predict_slice_buffered().

int SnowContext::b_width

Definition at line 480 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), check_4block_inter(), check_block(), decode_blocks(), decode_q_branch(), encode_blocks(), encode_init(), encode_q_branch(), encode_q_branch2(), get_4block_rd(), get_block_bits(), get_block_rd(), get_dc(), iterative_me(), predict_slice(), predict_slice_buffered(), and set_blocks().

BlockNode* SnowContext::block

Definition at line 485 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), check_4block_inter(), check_block(), common_end(), decode_q_branch(), encode_q_branch(), encode_q_branch2(), get_4block_rd(), get_block_bits(), get_block_rd(), get_dc(), iterative_me(), and set_blocks().

int SnowContext::block_max_depth

Definition at line 482 of file snow.c.

Referenced by add_yblock(), alloc_blocks(), check_4block_inter(), check_block(), decode_frame(), decode_header(), decode_q_branch(), encode_header(), encode_init(), encode_q_branch(), encode_q_branch2(), get_4block_rd(), get_block_bits(), get_block_rd(), get_dc(), iterative_me(), predict_plane(), predict_slice(), predict_slice_buffered(), set_blocks(), and update_last_header_values().

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

Definition at line 450 of file snow.c.

Referenced by decode_q_branch(), encode_frame(), encode_q_branch(), encode_q_branch2(), iterative_me(), and reset_contexts().

RangeCoder SnowContext::c

Definition at line 440 of file snow.c.

Referenced by decode_frame(), decode_header(), decode_q_branch(), decode_qlogs(), encode_blocks(), encode_frame(), encode_header(), encode_q_branch(), encode_q_branch2(), encode_qlogs(), encode_subband_c0run(), iterative_me(), and unpack_coeffs().

int SnowContext::chroma_h_shift

Definition at line 467 of file snow.c.

Referenced by common_init_after_header(), decode_header(), encode_header(), and encode_init().

int SnowContext::chroma_v_shift

Definition at line 468 of file snow.c.

Referenced by common_init_after_header(), decode_header(), encode_header(), and encode_init().

int SnowContext::colorspace_type

Definition at line 466 of file snow.c.

Referenced by decode_header(), encode_header(), and encode_init().

AVFrame SnowContext::current_picture

Definition at line 444 of file snow.c.

Referenced by decode_frame(), encode_frame(), encode_init(), encode_q_branch(), frame_start(), get_4block_rd(), get_block_rd(), get_dc(), iterative_me(), predict_slice(), and predict_slice_buffered().

DSPContext SnowContext::dsp

Definition at line 441 of file snow.c.

Referenced by add_yblock(), common_init(), decode_frame(), encode_frame(), encode_init(), frame_start(), get_4block_rd(), and get_block_rd().

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

Definition at line 446 of file snow.c.

Referenced by decode_frame(), encode_frame(), and frame_start().

uint8_t SnowContext::header_state[32]

Definition at line 449 of file snow.c.

Referenced by decode_header(), decode_qlogs(), encode_frame(), encode_header(), encode_qlogs(), and reset_contexts().

AVFrame SnowContext::input_picture

new_picture with the internal linesizes

Definition at line 443 of file snow.c.

Referenced by encode_frame(), encode_init(), and encode_q_branch().

int SnowContext::keyframe

Definition at line 451 of file snow.c.

Referenced by decode_frame(), decode_header(), decode_q_branch(), encode_blocks(), encode_frame(), encode_header(), encode_q_branch(), encode_q_branch2(), frame_start(), predict_slice(), predict_slice_buffered(), and update_last_header_values().

int SnowContext::lambda

Definition at line 472 of file snow.c.

Referenced by encode_frame(), encode_q_branch(), get_4block_rd(), get_block_rd(), and ratecontrol_1pass().

int SnowContext::lambda2

Definition at line 473 of file snow.c.

Referenced by encode_frame(), encode_q_branch(), get_4block_rd(), and get_block_rd().

int SnowContext::last_block_max_depth

Definition at line 483 of file snow.c.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::last_mv_scale

Definition at line 476 of file snow.c.

Referenced by encode_header(), and update_last_header_values().

AVFrame SnowContext::last_picture[MAX_REF_FRAMES]

Definition at line 445 of file snow.c.

Referenced by common_end(), decode_frame(), encode_frame(), encode_q_branch(), and frame_start().

int SnowContext::last_qbias

Definition at line 478 of file snow.c.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::last_qlog

Definition at line 471 of file snow.c.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::last_spatial_decomposition_count

Definition at line 458 of file snow.c.

Referenced by encode_frame(), encode_header(), and update_last_header_values().

int SnowContext::last_spatial_decomposition_type

Definition at line 455 of file snow.c.

Referenced by encode_header(), and update_last_header_values().

MpegEncContext SnowContext::m

Definition at line 491 of file snow.c.

Referenced by common_end(), encode_frame(), encode_init(), encode_q_branch(), get_4block_rd(), get_block_rd(), get_dc(), and ratecontrol_1pass().

int SnowContext::max_ref_frames

Definition at line 460 of file snow.c.

Referenced by common_init(), decode_frame(), decode_header(), encode_frame(), encode_header(), encode_init(), and frame_start().

AVFrame SnowContext::mconly_picture

Definition at line 447 of file snow.c.

Referenced by common_init(), and decode_frame().

int SnowContext::me_cache[ME_CACHE_SIZE]

Definition at line 487 of file snow.c.

Referenced by check_4block_inter(), check_block(), and iterative_me().

int SnowContext::me_cache_generation

Definition at line 488 of file snow.c.

Referenced by check_4block_inter(), check_block(), and iterative_me().

int SnowContext::mv_scale

Definition at line 475 of file snow.c.

Referenced by decode_header(), encode_header(), encode_init(), and update_last_header_values().

AVFrame SnowContext::new_picture

Definition at line 442 of file snow.c.

Referenced by encode_frame().

int SnowContext::pass1_rc

Definition at line 474 of file snow.c.

Referenced by encode_frame(), and encode_init().

Plane SnowContext::plane[MAX_PLANES]

Definition at line 484 of file snow.c.

Referenced by common_end(), common_init_after_header(), decode_frame(), decode_header(), decode_qlogs(), encode_frame(), encode_header(), encode_init(), encode_qlogs(), get_4block_rd(), get_block_rd(), get_dc(), iterative_me(), predict_slice(), predict_slice_buffered(), ratecontrol_1pass(), reset_contexts(), and update_last_header_values().

int SnowContext::qbias

Definition at line 477 of file snow.c.

Referenced by decode_header(), decode_subband_slice_buffered(), dequantize(), dequantize_slice_buffered(), encode_frame(), encode_header(), and update_last_header_values().

int SnowContext::qlog

Definition at line 470 of file snow.c.

Referenced by decode_frame(), decode_header(), decode_subband_slice_buffered(), dequantize(), dequantize_slice_buffered(), encode_frame(), encode_header(), quantize(), ratecontrol_1pass(), and update_last_header_values().

int SnowContext::ref_frames

Definition at line 461 of file snow.c.

Referenced by decode_q_branch(), encode_q_branch(), encode_q_branch2(), frame_start(), iterative_me(), and pred_mv().

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

Definition at line 462 of file snow.c.

Referenced by common_end(), encode_init(), encode_q_branch(), and iterative_me().

uint32_t* SnowContext::ref_scores[MAX_REF_FRAMES]

Definition at line 463 of file snow.c.

Referenced by common_end(), encode_init(), encode_q_branch(), and iterative_me().

slice_buffer SnowContext::sb

Definition at line 489 of file snow.c.

Referenced by decode_end(), and decode_frame().

uint8_t* SnowContext::scratchbuf

Definition at line 493 of file snow.c.

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

int SnowContext::spatial_decomposition_count

Definition at line 457 of file snow.c.

Referenced by calculate_visual_weight(), common_end(), common_init_after_header(), decode_frame(), decode_header(), decode_qlogs(), encode_frame(), encode_header(), encode_qlogs(), ratecontrol_1pass(), and update_last_header_values().

int SnowContext::spatial_decomposition_type

Definition at line 454 of file snow.c.

Referenced by calculate_visual_weight(), decode_frame(), decode_header(), encode_frame(), encode_header(), encode_init(), and update_last_header_values().

DWTELEM* SnowContext::spatial_dwt_buffer

Definition at line 464 of file snow.c.

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

IDWTELEM* SnowContext::spatial_idwt_buffer

Definition at line 465 of file snow.c.

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

int SnowContext::spatial_scalability

Definition at line 469 of file snow.c.

Referenced by decode_header(), and encode_header().

int SnowContext::temporal_decomposition_count

Definition at line 459 of file snow.c.

Referenced by decode_header(), and encode_header().

int SnowContext::temporal_decomposition_type

Definition at line 456 of file snow.c.

Referenced by decode_header(), and encode_header().

int SnowContext::version

Definition at line 453 of file snow.c.

Referenced by decode_header(), encode_header(), and encode_init().

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

• libavcodec/snow.c