FFmpeg: SubBand Struct Reference

FFmpeg 4.0

#include <libavcodec/cfhd.h>

Data Fields
int	level

int	orientation

ptrdiff_t	stride

int	a_width

int	width

int	a_height

int	height

int	pshift

int	quant

uint8_t *	ibuf

int	stride

struct SubBand *	parent

unsigned	length

const uint8_t *	coeff_data

unsigned	width

unsigned	height

unsigned	size

unsigned	x

unsigned	y

int	qlog
	log(qscale)/log[2^(1/6)] More...

DWTELEM *	buf

IDWTELEM *	ibuf

int	buf_x_offset

int	buf_y_offset

int	stride_line
	Stride measured in lines, not pixels. More...

x_and_coeff *	x_coeff

uint8_t	state [7+512][32]

dwtcoef *	buf

Detailed Description

Definition at line 43 of file cfhd.h.

Field Documentation

◆ level

int SubBand::level

Definition at line 44 of file cfhd.h.

Referenced by decode_component(), decode_hq_slice(), decode_lowdelay_slice(), dirac_unpack_idwt_params(), ff_snow_common_init_after_header(), init_planes(), and subband_coeffs().

◆ orientation

int SubBand::orientation

Definition at line 45 of file cfhd.h.

Referenced by decode_component(), decode_hq_slice(), decode_lowdelay_slice(), and init_planes().

◆ stride [1/2]

ptrdiff_t SubBand::stride

◆ a_width

int SubBand::a_width

Definition at line 47 of file cfhd.h.

Referenced by alloc_buffers(), and cfhd_decode().

◆ width [1/2]

◆ a_height

int SubBand::a_height

Definition at line 49 of file cfhd.h.

Referenced by alloc_buffers(), and cfhd_decode().

◆ height [1/2]

int SubBand::height

◆ pshift

int SubBand::pshift

Definition at line 51 of file cfhd.h.

Referenced by init_planes().

◆ quant

int SubBand::quant

Definition at line 52 of file cfhd.h.

Referenced by codeblock(), decode_component(), decode_hq_slice(), decode_lowdelay_slice(), and decode_subband().

◆ ibuf [1/2]

uint8_t * SubBand::ibuf

Definition at line 53 of file cfhd.h.

Referenced by calculate_visual_weight(), decode_frame(), decode_hq_slice(), decode_subband(), decode_subband_slice_buffered(), encode_frame(), ff_snow_common_init_after_header(), init_planes(), and ratecontrol_1pass().

◆ stride [2/2]

int SubBand::stride

Definition at line 93 of file diracdec.c.

◆ parent

struct SubBand * SubBand::parent

Definition at line 99 of file diracdec.c.

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

◆ length

unsigned SubBand::length

Definition at line 102 of file diracdec.c.

Referenced by decode_component(), decode_hq_slice(), and read_high_coeffs().

◆ coeff_data

const uint8_t* SubBand::coeff_data

Definition at line 103 of file diracdec.c.

Referenced by decode_component().

◆ width [2/2]

unsigned SubBand::width

Definition at line 43 of file pixlet.c.

◆ height [2/2]

unsigned SubBand::height

Definition at line 43 of file pixlet.c.

◆ size

unsigned SubBand::size

Definition at line 44 of file pixlet.c.

Referenced by init_decoder(), propagate_block_data(), and read_highpass().

◆ x

unsigned SubBand::x

Definition at line 45 of file pixlet.c.

Referenced by add_dc(), codeblock(), decode_subband(), dirac_unpack_block_motion_data(), init_decoder(), init_obmc_weight_row(), mc_row(), mc_subpel(), propagate_block_data(), and read_highpass().

◆ y

unsigned SubBand::y

Definition at line 45 of file pixlet.c.

Referenced by add_dc(), codeblock(), decode_subband(), dirac_decode_frame_internal(), dirac_unpack_block_motion_data(), init_decoder(), init_obmc_weight(), propagate_block_data(), and read_highpass().

◆ qlog

int SubBand::qlog

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

Definition at line 88 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().

◆ buf [1/2]

DWTELEM* SubBand::buf

Definition at line 89 of file snow.h.

Referenced by codeblock(), count_hq_slice(), decode_hq_slice(), decode_lowdelay(), dirac_decode_frame(), encode_frame(), encode_subband(), ff_snow_common_init_after_header(), ratecontrol_1pass(), and vc2_encode_init().

◆ ibuf [2/2]

IDWTELEM* SubBand::ibuf

Definition at line 90 of file snow.h.

◆ buf_x_offset

int SubBand::buf_x_offset

Definition at line 91 of file snow.h.

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

◆ buf_y_offset

int SubBand::buf_y_offset

Definition at line 92 of file snow.h.

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

◆ stride_line

int SubBand::stride_line

Stride measured in lines, not pixels.

Definition at line 93 of file snow.h.

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

◆ x_coeff

x_and_coeff* SubBand::x_coeff

Definition at line 94 of file snow.h.

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

◆ state

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

Definition at line 96 of file snow.h.

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

◆ buf [2/2]

dwtcoef* SubBand::buf

Definition at line 87 of file vc2enc.c.

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

libavcodec/cfhd.h
libavcodec/diracdec.c
libavcodec/pixlet.c
libavcodec/snow.h
libavcodec/vc2enc.c