SubBand Struct Reference

#include <snow.h>

Data Fields
int	level
int	orientation
int	stride
int	width
int	height
int	quant
IDWTELEM *	ibuf
struct SubBand *	parent
unsigned	length
const uint8_t *	coeff_data
int	qlog
	log(qscale)/log[2^(1/6)]
DWTELEM *	buf
int	buf_x_offset
int	buf_y_offset
int	stride_line
	Stride measured in lines, not pixels.
x_and_coeff *	x_coeff
uint8_t	state [7+512][32]

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Detailed Description

Definition at line 95 of file diracdec.c.

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Field Documentation

DWTELEM* SubBand::buf

Definition at line 81 of file snow.h.

Referenced by encode_frame(), ff_snow_common_init_after_header(), and ratecontrol_1pass().

int SubBand::buf_x_offset

Definition at line 83 of file snow.h.

Referenced by correlate_slice_buffered(), decode_subband_slice_buffered(), dequantize_slice_buffered(), and ff_snow_common_init_after_header().

int SubBand::buf_y_offset

Definition at line 84 of file snow.h.

Referenced by correlate_slice_buffered(), decode_subband_slice_buffered(), dequantize_slice_buffered(), and ff_snow_common_init_after_header().

const uint8_t* SubBand::coeff_data

Definition at line 107 of file diracdec.c.

Referenced by decode_component(), and decode_subband_internal().

int SubBand::height

Definition at line 100 of file diracdec.c.

Referenced by calculate_visual_weight(), correlate(), decode_frame(), decode_subband_internal(), decorrelate(), dequantize(), encode_subband_c0run(), ff_snow_common_init_after_header(), init_planes(), intra_dc_prediction(), lowdelay_subband(), quantize(), ratecontrol_1pass(), and unpack_coeffs().

IDWTELEM * SubBand::ibuf

Definition at line 102 of file diracdec.c.

Referenced by calculate_visual_weight(), codeblock(), coeff_unpack_arith(), decode_frame(), decode_subband_slice_buffered(), encode_frame(), ff_snow_common_init_after_header(), init_planes(), intra_dc_prediction(), lowdelay_subband(), and ratecontrol_1pass().

unsigned SubBand::length

Definition at line 106 of file diracdec.c.

Referenced by decode_component(), and decode_subband_internal().

int SubBand::level

Definition at line 96 of file diracdec.c.

Referenced by decode_subband_internal(), ff_snow_common_init_after_header(), and init_planes().

int SubBand::orientation

Definition at line 97 of file diracdec.c.

Referenced by coeff_unpack_arith(), decode_subband_internal(), and init_planes().

struct SubBand * SubBand::parent [read]

Definition at line 103 of file diracdec.c.

Referenced by coeff_unpack_arith(), decode_frame(), encode_frame(), ff_snow_common_init_after_header(), and init_planes().

int SubBand::qlog

log(qscale)/log[2^(1/6)]

Definition at line 80 of file snow.h.

Referenced by calculate_visual_weight(), decode_qlogs(), decode_subband_slice_buffered(), dequantize(), dequantize_slice_buffered(), encode_qlogs(), quantize(), and ratecontrol_1pass().

int SubBand::quant

Definition at line 101 of file diracdec.c.

Referenced by codeblock(), and decode_component().

uint8_t SubBand::state[7+512][32]

Definition at line 88 of file snow.h.

Referenced by encode_subband_c0run(), ff_snow_reset_contexts(), and unpack_coeffs().

int SubBand::stride

Definition at line 98 of file diracdec.c.

Referenced by calculate_visual_weight(), codeblock(), coeff_unpack_arith(), decode_frame(), encode_frame(), ff_snow_common_init_after_header(), init_planes(), intra_dc_prediction(), lowdelay_subband(), and ratecontrol_1pass().

int SubBand::stride_line

Stride measured in lines, not pixels.

Definition at line 85 of file snow.h.

Referenced by correlate_slice_buffered(), decode_subband_slice_buffered(), dequantize_slice_buffered(), and ff_snow_common_init_after_header().

int SubBand::width

Definition at line 99 of file diracdec.c.

Referenced by calculate_visual_weight(), correlate(), correlate_slice_buffered(), decode_subband_internal(), decode_subband_slice_buffered(), decorrelate(), dequantize(), dequantize_slice_buffered(), encode_subband_c0run(), ff_snow_common_init_after_header(), init_planes(), intra_dc_prediction(), lowdelay_subband(), quantize(), ratecontrol_1pass(), and unpack_coeffs().

x_and_coeff* SubBand::x_coeff

Definition at line 86 of file snow.h.

Referenced by decode_subband_slice_buffered(), ff_snow_common_end(), ff_snow_common_init_after_header(), and unpack_coeffs().

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

• libavcodec/diracdec.c
• libavcodec/snow.h