SnowContext Struct Reference

#include <snow.h>

Data Fields
AVClass *	class
AVCodecContext *	avctx
RangeCoder	c
DSPContext	dsp
VideoDSPContext	vdsp
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
DWTELEM *	temp_dwt_buffer
IDWTELEM *	spatial_idwt_buffer
IDWTELEM *	temp_idwt_buffer
int *	run_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
unsigned	me_cache [ME_CACHE_SIZE]
unsigned	me_cache_generation
slice_buffer	sb
int	memc_only
int	no_bitstream
MpegEncContext	m
uint8_t *	scratchbuf
uint8_t *	emu_edge_buffer

Detailed Description

Definition at line 106 of file snow.h.

Field Documentation

AVClass* SnowContext::class

Definition at line 107 of file snow.h.

AVCodecContext* SnowContext::avctx

Definition at line 108 of file snow.h.

Referenced by decode_frame(), decode_header(), decode_q_branch(), encode_blocks(), encode_frame(), encode_init(), encode_q_branch(), encode_subband_c0run(), ff_snow_alloc_blocks(), ff_snow_common_end(), ff_snow_common_init_after_header(), ff_snow_frame_start(), get_4block_rd(), get_block_rd(), halfpel_interpol(), iterative_me(), mca(), predict_slice(), and predict_slice_buffered().

RangeCoder SnowContext::c

Definition at line 109 of file snow.h.

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().

DSPContext SnowContext::dsp

Definition at line 110 of file snow.h.

Referenced by encode_frame(), encode_init(), ff_snow_frame_start(), ff_snow_pred_block(), get_4block_rd(), get_block_rd(), and mca().

VideoDSPContext SnowContext::vdsp

Definition at line 111 of file snow.h.

Referenced by ff_snow_pred_block(), and mca().

DWTContext SnowContext::dwt

Definition at line 112 of file snow.h.

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

AVFrame SnowContext::new_picture

Definition at line 113 of file snow.h.

Referenced by encode_frame().

AVFrame SnowContext::input_picture

new_picture with the internal linesizes

Definition at line 114 of file snow.h.

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

AVFrame SnowContext::current_picture

Definition at line 115 of file snow.h.

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

AVFrame SnowContext::last_picture[MAX_REF_FRAMES]

Definition at line 116 of file snow.h.

Referenced by encode_frame(), encode_q_branch(), ff_snow_common_end(), ff_snow_frame_start(), ff_snow_pred_block(), and ff_snow_release_buffer().

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

Definition at line 117 of file snow.h.

Referenced by ff_snow_frame_start(), and ff_snow_release_buffer().

AVFrame SnowContext::mconly_picture

Definition at line 118 of file snow.h.

Referenced by decode_frame(), ff_snow_common_end(), and ff_snow_common_init_after_header().

uint8_t SnowContext::header_state[32]

Definition at line 120 of file snow.h.

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

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

Definition at line 121 of file snow.h.

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

int SnowContext::keyframe

Definition at line 122 of file snow.h.

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

int SnowContext::always_reset

Definition at line 123 of file snow.h.

Referenced by decode_header(), and encode_header().

int SnowContext::version

Definition at line 124 of file snow.h.

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

int SnowContext::spatial_decomposition_type

Definition at line 125 of file snow.h.

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

int SnowContext::last_spatial_decomposition_type

Definition at line 126 of file snow.h.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::temporal_decomposition_type

Definition at line 127 of file snow.h.

Referenced by decode_header(), and encode_header().

int SnowContext::spatial_decomposition_count

Definition at line 128 of file snow.h.

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

int SnowContext::last_spatial_decomposition_count

Definition at line 129 of file snow.h.

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

int SnowContext::temporal_decomposition_count

Definition at line 130 of file snow.h.

Referenced by decode_header(), and encode_header().

int SnowContext::max_ref_frames

Definition at line 131 of file snow.h.

Referenced by decode_header(), encode_header(), encode_init(), ff_snow_frame_start(), ff_snow_release_buffer(), and mca().

int SnowContext::ref_frames

Definition at line 132 of file snow.h.

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

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

Definition at line 133 of file snow.h.

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

uint32_t* SnowContext::ref_scores[MAX_REF_FRAMES]

Definition at line 134 of file snow.h.

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

DWTELEM* SnowContext::spatial_dwt_buffer

Definition at line 135 of file snow.h.

Referenced by decode_frame(), encode_frame(), ff_snow_common_end(), ff_snow_common_init_after_header(), and mca().

DWTELEM* SnowContext::temp_dwt_buffer

Definition at line 136 of file snow.h.

Referenced by encode_frame(), ff_snow_common_end(), and mca().

IDWTELEM* SnowContext::spatial_idwt_buffer

Definition at line 137 of file snow.h.

Referenced by calculate_visual_weight(), decode_frame(), decode_subband_slice_buffered(), encode_frame(), ff_snow_common_end(), ff_snow_common_init_after_header(), and mca().

IDWTELEM* SnowContext::temp_idwt_buffer

Definition at line 138 of file snow.h.

Referenced by calculate_visual_weight(), decode_frame(), encode_frame(), ff_snow_common_end(), and mca().

int* SnowContext::run_buffer

Definition at line 139 of file snow.h.

Referenced by encode_subband_c0run(), ff_snow_common_end(), and mca().

int SnowContext::colorspace_type

Definition at line 140 of file snow.h.

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

int SnowContext::chroma_h_shift

Definition at line 141 of file snow.h.

Referenced by decode_header(), encode_frame(), encode_header(), encode_init(), encode_q_branch(), ff_snow_common_init_after_header(), ff_snow_frame_start(), ff_snow_pred_block(), get_4block_rd(), get_block_rd(), get_dc(), halfpel_interpol(), init_ref(), predict_slice(), and predict_slice_buffered().

int SnowContext::chroma_v_shift

Definition at line 142 of file snow.h.

Referenced by decode_frame(), decode_header(), encode_frame(), encode_header(), encode_init(), encode_q_branch(), ff_snow_common_init_after_header(), ff_snow_frame_start(), ff_snow_pred_block(), get_4block_rd(), get_block_rd(), get_dc(), halfpel_interpol(), predict_slice(), and predict_slice_buffered().

int SnowContext::spatial_scalability

Definition at line 143 of file snow.h.

Referenced by decode_header(), and encode_header().

int SnowContext::qlog

Definition at line 144 of file snow.h.

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::last_qlog

Definition at line 145 of file snow.h.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::lambda

Definition at line 146 of file snow.h.

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

int SnowContext::lambda2

Definition at line 147 of file snow.h.

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

int SnowContext::pass1_rc

Definition at line 148 of file snow.h.

Referenced by encode_frame(), and encode_init().

int SnowContext::mv_scale

Definition at line 149 of file snow.h.

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

int SnowContext::last_mv_scale

Definition at line 150 of file snow.h.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::qbias

Definition at line 151 of file snow.h.

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

int SnowContext::last_qbias

Definition at line 152 of file snow.h.

Referenced by encode_header(), and update_last_header_values().

int SnowContext::b_width

Definition at line 154 of file snow.h.

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

int SnowContext::b_height

Definition at line 155 of file snow.h.

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

int SnowContext::block_max_depth

Definition at line 156 of file snow.h.

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

int SnowContext::last_block_max_depth

Definition at line 157 of file snow.h.

Referenced by encode_header(), and update_last_header_values().

Plane SnowContext::plane[MAX_PLANES]

Definition at line 158 of file snow.h.

Referenced by decode_frame(), decode_header(), decode_qlogs(), encode_frame(), encode_header(), encode_init(), encode_qlogs(), ff_snow_common_end(), ff_snow_common_init_after_header(), ff_snow_pred_block(), ff_snow_reset_contexts(), get_4block_rd(), get_block_rd(), get_dc(), iterative_me(), predict_slice(), predict_slice_buffered(), ratecontrol_1pass(), and update_last_header_values().

BlockNode* SnowContext::block

Definition at line 159 of file snow.h.

Referenced by add_yblock(), check_4block_inter(), check_block(), decode_q_branch(), encode_q_branch(), encode_q_branch2(), ff_snow_alloc_blocks(), ff_snow_common_end(), get_4block_rd(), get_block_bits(), get_block_rd(), get_dc(), iterative_me(), set_blocks(), and snow_set_blocks().

unsigned SnowContext::me_cache[ME_CACHE_SIZE]

Definition at line 161 of file snow.h.

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

unsigned SnowContext::me_cache_generation

Definition at line 162 of file snow.h.

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

slice_buffer SnowContext::sb

Definition at line 163 of file snow.h.

Referenced by decode_end(), and decode_frame().

int SnowContext::memc_only

Definition at line 164 of file snow.h.

Referenced by encode_frame().

int SnowContext::no_bitstream

Definition at line 165 of file snow.h.

Referenced by encode_frame().

MpegEncContext SnowContext::m

Definition at line 167 of file snow.h.

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

uint8_t* SnowContext::scratchbuf

Definition at line 169 of file snow.h.

Referenced by add_yblock(), ff_snow_common_end(), ff_snow_common_init_after_header(), and get_block_rd().

uint8_t* SnowContext::emu_edge_buffer

Definition at line 170 of file snow.h.

Referenced by ff_snow_common_end(), ff_snow_common_init_after_header(), and get_block_rd().

---

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

• libavcodec/snow.h