ATempoContext Struct Reference

Filter state machine. More...

Data Fields
const AVClass *	class
uint8_t *	buffer
int	ring
int	size
int	head
int	tail
int64_t	position [2]
int64_t	start_pts
enum AVSampleFormat	format
int	channels
int	stride
int	window
float *	hann
double	tempo
int64_t	origin [2]
AudioFragment	frag [2]
uint64_t	nfrag
FilterState	state
RDFTContext *	real_to_complex
RDFTContext *	complex_to_real
FFTSample *	correlation
AVFrame *	dst_buffer
uint8_t *	dst
uint8_t *	dst_end
uint64_t	nsamples_in
uint64_t	nsamples_out

Detailed Description

Filter state machine.

Definition at line 87 of file af_atempo.c.

Field Documentation

class

const AVClass* ATempoContext::class

Definition at line 88 of file af_atempo.c.

buffer

uint8_t* ATempoContext::buffer

Definition at line 92 of file af_atempo.c.

Referenced by yae_load_data(), yae_load_frag(), yae_release_buffers(), and yae_reset().

ring

int ATempoContext::ring

Definition at line 95 of file af_atempo.c.

Referenced by request_frame(), yae_load_data(), yae_load_frag(), and yae_reset().

size

int ATempoContext::size

Definition at line 98 of file af_atempo.c.

Referenced by yae_clear(), yae_load_data(), and yae_load_frag().

head

int ATempoContext::head

Definition at line 99 of file af_atempo.c.

Referenced by yae_clear(), yae_load_data(), and yae_load_frag().

tail

int ATempoContext::tail

Definition at line 100 of file af_atempo.c.

Referenced by yae_clear(), yae_load_data(), and yae_load_frag().

position

int64_t ATempoContext::position[2]

Definition at line 104 of file af_atempo.c.

Referenced by yae_clear(), yae_flush(), yae_load_data(), yae_load_frag(), and yae_overlap_add().

start_pts

int64_t ATempoContext::start_pts

Definition at line 107 of file af_atempo.c.

Referenced by filter_frame(), push_samples(), and yae_clear().

format

enum AVSampleFormat ATempoContext::format

Definition at line 110 of file af_atempo.c.

Referenced by init(), yae_downmix(), yae_overlap_add(), and yae_reset().

channels

int ATempoContext::channels

Definition at line 113 of file af_atempo.c.

Referenced by yae_reset().

stride

int ATempoContext::stride

Definition at line 117 of file af_atempo.c.

Referenced by filter_frame(), request_frame(), yae_flush(), yae_load_data(), yae_load_frag(), yae_overlap_add(), and yae_reset().

window

int ATempoContext::window

Definition at line 120 of file af_atempo.c.

Referenced by yae_adjust_position(), yae_advance_to_next_frag(), yae_clear(), yae_downmix(), yae_flush(), yae_load_frag(), yae_reset(), and yae_update().

hann

float* ATempoContext::hann

Definition at line 124 of file af_atempo.c.

Referenced by yae_overlap_add(), yae_release_buffers(), and yae_reset().

tempo

double ATempoContext::tempo

Definition at line 127 of file af_atempo.c.

Referenced by filter_frame(), yae_adjust_position(), yae_advance_to_next_frag(), and yae_load_data().

origin

int64_t ATempoContext::origin[2]

Definition at line 131 of file af_atempo.c.

Referenced by yae_adjust_position(), yae_clear(), and yae_update().

frag

AudioFragment ATempoContext::frag[2]

Definition at line 134 of file af_atempo.c.

Referenced by yae_clear(), yae_curr_frag(), yae_prev_frag(), yae_release_buffers(), and yae_reset().

nfrag

uint64_t ATempoContext::nfrag

Definition at line 137 of file af_atempo.c.

Referenced by yae_advance_to_next_frag(), yae_apply(), yae_clear(), yae_curr_frag(), yae_flush(), and yae_prev_frag().

state

FilterState ATempoContext::state

Definition at line 140 of file af_atempo.c.

Referenced by init(), yae_apply(), yae_clear(), and yae_flush().

real_to_complex

RDFTContext* ATempoContext::real_to_complex

Definition at line 143 of file af_atempo.c.

Referenced by yae_apply(), yae_flush(), yae_release_buffers(), and yae_reset().

complex_to_real

RDFTContext* ATempoContext::complex_to_real

Definition at line 144 of file af_atempo.c.

Referenced by yae_adjust_position(), yae_release_buffers(), and yae_reset().

correlation

FFTSample* ATempoContext::correlation

Definition at line 145 of file af_atempo.c.

Referenced by yae_adjust_position(), yae_release_buffers(), and yae_reset().

dst_buffer

AVFrame* ATempoContext::dst_buffer

Definition at line 148 of file af_atempo.c.

Referenced by filter_frame(), push_samples(), request_frame(), and yae_clear().

dst

uint8_t* ATempoContext::dst

Definition at line 149 of file af_atempo.c.

Referenced by filter_frame(), push_samples(), request_frame(), and yae_clear().

dst_end

uint8_t* ATempoContext::dst_end

Definition at line 150 of file af_atempo.c.

Referenced by filter_frame(), push_samples(), request_frame(), and yae_clear().

nsamples_in

uint64_t ATempoContext::nsamples_in

Definition at line 151 of file af_atempo.c.

Referenced by filter_frame(), and yae_clear().

nsamples_out

uint64_t ATempoContext::nsamples_out

Definition at line 152 of file af_atempo.c.

Referenced by push_samples(), and yae_clear().

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

• libavfilter/af_atempo.c