#include <swresample_internal.h>

Data Fields
DitherDSPContext	ddsp

enum AVResampleDitherMethod	method

int	apply_map

ChannelMapInfo *	ch_map_info

int	mute_dither_threshold

int	mute_reset_threshold

const float *	ns_coef_b

const float *	ns_coef_a

int	channels

DitherState *	state

AudioData *	flt_data

AudioData *	s16_data

AudioConvert *	ac_in

AudioConvert *	ac_out

void(*	quantize )(int16_t dst, const float src, float *dither, int len)

int	samples_align

int	method

int	noise_pos

float	scale

float	noise_scale
	Noise scale. More...

int	ns_taps
	Noise shaping dither taps. More...

float	ns_scale
	Noise shaping dither scale. More...

float	ns_scale_1
	Noise shaping dither scale^-1. More...

int	ns_pos
	Noise shaping dither position. More...

float	ns_coeffs [NS_TAPS]
	Noise shaping filter coefficients. More...

float	ns_errors [SWR_CH_MAX][2 *NS_TAPS]

AudioData	noise
	noise used for dithering More...

AudioData	temp
	temporary storage when writing into the input buffer isn't possible More...

int	output_sample_bits
	the number of used output bits, needed to scale dither correctly More...

Detailed Description

Definition at line 54 of file dither.c.

Field Documentation

◆ ddsp

DitherDSPContext DitherContext::ddsp

Definition at line 55 of file dither.c.

◆ method [1/2]

enum AVResampleDitherMethod DitherContext::method

Definition at line 56 of file dither.c.

◆ apply_map

int DitherContext::apply_map

Definition at line 57 of file dither.c.

◆ ch_map_info

ChannelMapInfo* DitherContext::ch_map_info

Definition at line 58 of file dither.c.

◆ mute_dither_threshold

int DitherContext::mute_dither_threshold

Definition at line 60 of file dither.c.

◆ mute_reset_threshold

int DitherContext::mute_reset_threshold

Definition at line 61 of file dither.c.

◆ ns_coef_b

const float* DitherContext::ns_coef_b

Definition at line 62 of file dither.c.

◆ ns_coef_a

const float* DitherContext::ns_coef_a

Definition at line 63 of file dither.c.

◆ channels

int DitherContext::channels

Definition at line 65 of file dither.c.

◆ state

DitherState* DitherContext::state

Definition at line 66 of file dither.c.

◆ flt_data

AudioData* DitherContext::flt_data

Definition at line 68 of file dither.c.

◆ s16_data

AudioData* DitherContext::s16_data

Definition at line 69 of file dither.c.

◆ ac_in

AudioConvert* DitherContext::ac_in

Definition at line 70 of file dither.c.

◆ ac_out

AudioConvert* DitherContext::ac_out

Definition at line 71 of file dither.c.

◆ quantize

void(* DitherContext::quantize) (int16_t *dst, const float *src, float *dither, int len)

Definition at line 73 of file dither.c.

◆ samples_align

int DitherContext::samples_align

Definition at line 74 of file dither.c.

◆ method [2/2]

int DitherContext::method

Definition at line 56 of file swresample_internal.h.

◆ noise_pos

int DitherContext::noise_pos

Definition at line 57 of file swresample_internal.h.

◆ scale

float DitherContext::scale

Definition at line 58 of file swresample_internal.h.

◆ noise_scale

float DitherContext::noise_scale

Noise scale.

Definition at line 59 of file swresample_internal.h.

◆ ns_taps

int DitherContext::ns_taps

Noise shaping dither taps.

Definition at line 60 of file swresample_internal.h.

◆ ns_scale

float DitherContext::ns_scale

Noise shaping dither scale.

Definition at line 61 of file swresample_internal.h.

◆ ns_scale_1

float DitherContext::ns_scale_1

Noise shaping dither scale^-1.

Definition at line 62 of file swresample_internal.h.

◆ ns_pos

int DitherContext::ns_pos

Noise shaping dither position.

Definition at line 63 of file swresample_internal.h.

◆ ns_coeffs

float DitherContext::ns_coeffs[NS_TAPS]

Noise shaping filter coefficients.

Definition at line 64 of file swresample_internal.h.

◆ ns_errors

float DitherContext::ns_errors[SWR_CH_MAX][2 *NS_TAPS]

Definition at line 65 of file swresample_internal.h.

◆ noise

AudioData DitherContext::noise

noise used for dithering

Definition at line 66 of file swresample_internal.h.

◆ temp

AudioData DitherContext::temp

temporary storage when writing into the input buffer isn't possible

Definition at line 67 of file swresample_internal.h.

◆ output_sample_bits

int DitherContext::output_sample_bits

the number of used output bits, needed to scale dither correctly

Definition at line 68 of file swresample_internal.h.

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

libavresample/dither.c
libswresample/swresample_internal.h

Data Fields