AudioSurroundContext Struct Reference

Data Fields
const AVClass *	class
char *	out_channel_layout_str
char *	in_channel_layout_str
float	level_in
float	level_out
float	fc_in
float	fc_out
float	lfe_in
float	lfe_out
float *	input_levels
float *	output_levels
int	output_lfe
int	lowcutf
int	highcutf
float	lowcut
float	highcut
uint64_t	out_channel_layout
uint64_t	in_channel_layout
int	nb_in_channels
int	nb_out_channels
AVFrame *	input
AVFrame *	output
AVFrame *	overlap_buffer
int	buf_size
int	hop_size
AVAudioFifo *	fifo
RDFTContext **	rdft
RDFTContext **	irdft
float *	window_func_lut
int64_t	pts
void(*	filter )(AVFilterContext *ctx)
void(*	upmix_stereo )(AVFilterContext *ctx, float l_phase, float r_phase, float c_phase, float mag_total, float x, float y, int n)
void(*	upmix_2_1 )(AVFilterContext *ctx, float l_phase, float r_phase, float c_phase, float mag_total, float lfe_im, float lfe_re, float x, float y, int n)
void(*	upmix_3_0 )(AVFilterContext *ctx, float l_phase, float r_phase, float c_mag, float c_phase, float mag_total, float x, float y, int n)
void(*	upmix_5_0 )(AVFilterContext *ctx, float c_re, float c_im, float mag_totall, float mag_totalr, float fl_phase, float fr_phase, float bl_phase, float br_phase, float sl_phase, float sr_phase, float xl, float yl, float xr, float yr, int n)
void(*	upmix_5_1 )(AVFilterContext *ctx, float c_re, float c_im, float lfe_re, float lfe_im, float mag_totall, float mag_totalr, float fl_phase, float fr_phase, float bl_phase, float br_phase, float sl_phase, float sr_phase, float xl, float yl, float xr, float yr, int n)

Detailed Description

Definition at line 29 of file af_surround.c.

Field Documentation

class

const AVClass* AudioSurroundContext::class

Definition at line 30 of file af_surround.c.

out_channel_layout_str

char* AudioSurroundContext::out_channel_layout_str

Definition at line 32 of file af_surround.c.

Referenced by init().

in_channel_layout_str

char* AudioSurroundContext::in_channel_layout_str

Definition at line 33 of file af_surround.c.

Referenced by init().

level_in

float AudioSurroundContext::level_in

Definition at line 35 of file af_surround.c.

Referenced by config_input(), and fft_channel().

level_out

float AudioSurroundContext::level_out

Definition at line 36 of file af_surround.c.

Referenced by config_output(), and ifft_channel().

fc_in

float AudioSurroundContext::fc_in

Definition at line 37 of file af_surround.c.

Referenced by config_input().

fc_out

float AudioSurroundContext::fc_out

Definition at line 38 of file af_surround.c.

Referenced by config_output().

lfe_in

float AudioSurroundContext::lfe_in

Definition at line 39 of file af_surround.c.

Referenced by config_input().

lfe_out

float AudioSurroundContext::lfe_out

Definition at line 40 of file af_surround.c.

Referenced by config_output().

input_levels

float* AudioSurroundContext::input_levels

Definition at line 42 of file af_surround.c.

Referenced by config_input(), fft_channel(), and uninit().

output_levels

float* AudioSurroundContext::output_levels

Definition at line 43 of file af_surround.c.

Referenced by config_output(), ifft_channel(), and uninit().

output_lfe

int AudioSurroundContext::output_lfe

Definition at line 44 of file af_surround.c.

Referenced by upmix_2_1(), upmix_3_1(), upmix_3_1_surround(), upmix_4_1(), upmix_5_1_back(), upmix_5_1_back_surround(), upmix_7_1(), and upmix_7_1_5_0_side().

lowcutf

int AudioSurroundContext::lowcutf

Definition at line 45 of file af_surround.c.

Referenced by config_input(), and init().

highcutf

int AudioSurroundContext::highcutf

Definition at line 46 of file af_surround.c.

Referenced by config_input(), and init().

lowcut

float AudioSurroundContext::lowcut

Definition at line 48 of file af_surround.c.

Referenced by config_input(), upmix_2_1(), upmix_3_1(), upmix_3_1_surround(), upmix_4_1(), upmix_5_1_back(), upmix_5_1_back_surround(), upmix_7_1(), and upmix_7_1_5_0_side().

highcut

float AudioSurroundContext::highcut

Definition at line 49 of file af_surround.c.

Referenced by config_input(), upmix_2_1(), upmix_3_1(), upmix_3_1_surround(), upmix_4_1(), upmix_5_1_back(), upmix_5_1_back_surround(), upmix_7_1(), and upmix_7_1_5_0_side().

out_channel_layout

uint64_t AudioSurroundContext::out_channel_layout

Definition at line 51 of file af_surround.c.

Referenced by init(), and query_formats().

in_channel_layout

uint64_t AudioSurroundContext::in_channel_layout

Definition at line 52 of file af_surround.c.

Referenced by init(), and query_formats().

nb_in_channels

int AudioSurroundContext::nb_in_channels

Definition at line 53 of file af_surround.c.

Referenced by config_input(), and uninit().

nb_out_channels

int AudioSurroundContext::nb_out_channels

Definition at line 54 of file af_surround.c.

Referenced by config_output(), and uninit().

input

AVFrame* AudioSurroundContext::input

Definition at line 56 of file af_surround.c.

Referenced by config_input(), fft_channel(), filter_2_1(), filter_5_0_side(), filter_5_1_back(), filter_5_1_side(), filter_frame(), filter_stereo(), filter_surround(), and uninit().

output

AVFrame* AudioSurroundContext::output

Definition at line 57 of file af_surround.c.

Referenced by config_output(), ifft_channel(), uninit(), upmix_1_0(), upmix_2_1(), upmix_3_0(), upmix_3_1(), upmix_3_1_surround(), upmix_4_0(), upmix_4_1(), upmix_5_0_back(), upmix_5_1_back(), upmix_5_1_back_2_1(), upmix_5_1_back_surround(), upmix_7_0(), upmix_7_1(), upmix_7_1_5_0_side(), upmix_7_1_5_1(), and upmix_stereo().

overlap_buffer

AVFrame* AudioSurroundContext::overlap_buffer

Definition at line 58 of file af_surround.c.

Referenced by config_output(), ifft_channel(), and uninit().

buf_size

int AudioSurroundContext::buf_size

Definition at line 60 of file af_surround.c.

Referenced by config_input(), config_output(), fft_channel(), filter_2_1(), filter_5_0_side(), filter_5_1_back(), filter_5_1_side(), filter_frame(), filter_stereo(), filter_surround(), ifft_channel(), init(), and request_frame().

hop_size

int AudioSurroundContext::hop_size

Definition at line 61 of file af_surround.c.

Referenced by filter_frame(), ifft_channel(), and init().

fifo

AVAudioFifo* AudioSurroundContext::fifo

Definition at line 62 of file af_surround.c.

Referenced by config_input(), filter_frame(), request_frame(), and uninit().

rdft

RDFTContext** AudioSurroundContext::rdft

Definition at line 63 of file af_surround.c.

Referenced by config_input(), fft_channel(), and uninit().

irdft

RDFTContext ** AudioSurroundContext::irdft

Definition at line 63 of file af_surround.c.

Referenced by config_output(), ifft_channel(), and uninit().

window_func_lut

float* AudioSurroundContext::window_func_lut

Definition at line 64 of file af_surround.c.

Referenced by fft_channel(), ifft_channel(), init(), and uninit().

pts

int64_t AudioSurroundContext::pts

Definition at line 66 of file af_surround.c.

Referenced by filter_frame(), and init().

filter

void(* AudioSurroundContext::filter) (AVFilterContext *ctx)

Definition at line 68 of file af_surround.c.

Referenced by filter_frame(), and init().

upmix_stereo

void(* AudioSurroundContext::upmix_stereo) (AVFilterContext *ctx, float l_phase, float r_phase, float c_phase, float mag_total, float x, float y, int n)

Definition at line 69 of file af_surround.c.

Referenced by filter_stereo(), and init().

upmix_2_1

void(* AudioSurroundContext::upmix_2_1) (AVFilterContext *ctx, float l_phase, float r_phase, float c_phase, float mag_total, float lfe_im, float lfe_re, float x, float y, int n)

Definition at line 76 of file af_surround.c.

Referenced by filter_2_1(), and init().

upmix_3_0

void(* AudioSurroundContext::upmix_3_0) (AVFilterContext *ctx, float l_phase, float r_phase, float c_mag, float c_phase, float mag_total, float x, float y, int n)

Definition at line 85 of file af_surround.c.

Referenced by filter_surround(), and init().

upmix_5_0

void(* AudioSurroundContext::upmix_5_0) (AVFilterContext *ctx, float c_re, float c_im, float mag_totall, float mag_totalr, float fl_phase, float fr_phase, float bl_phase, float br_phase, float sl_phase, float sr_phase, float xl, float yl, float xr, float yr, int n)

Definition at line 93 of file af_surround.c.

Referenced by filter_5_0_side(), and init().

upmix_5_1

void(* AudioSurroundContext::upmix_5_1) (AVFilterContext *ctx, float c_re, float c_im, float lfe_re, float lfe_im, float mag_totall, float mag_totalr, float fl_phase, float fr_phase, float bl_phase, float br_phase, float sl_phase, float sr_phase, float xl, float yl, float xr, float yr, int n)

Definition at line 102 of file af_surround.c.

Referenced by filter_5_1_back(), filter_5_1_side(), and init().

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

• libavfilter/af_surround.c