SineContext Struct Reference

Data Fields
const AVClass *	class
double	frequency
double	beep_factor
char *	samples_per_frame
AVExpr *	samples_per_frame_expr
int	sample_rate
int64_t	duration
int16_t *	sin
int64_t	pts
uint32_t	phi
	current phase of the sine (2pi = 1<<32) More...
uint32_t	dphi
	phase increment between two samples More...
unsigned	beep_period
unsigned	beep_index
unsigned	beep_length
uint32_t	phi_beep
	current phase of the beep More...
uint32_t	dphi_beep
	phase increment of the beep More...

Detailed Description

Definition at line 31 of file asrc_sine.c.

Field Documentation

const AVClass* SineContext::class

Definition at line 32 of file asrc_sine.c.

double SineContext::frequency

Definition at line 33 of file asrc_sine.c.

Referenced by init().

double SineContext::beep_factor

Definition at line 34 of file asrc_sine.c.

Referenced by init().

char* SineContext::samples_per_frame

Definition at line 35 of file asrc_sine.c.

Referenced by init().

AVExpr* SineContext::samples_per_frame_expr

Definition at line 36 of file asrc_sine.c.

Referenced by init(), request_frame(), and uninit().

int SineContext::sample_rate

Definition at line 37 of file asrc_sine.c.

Referenced by config_props(), init(), and query_formats().

int64_t SineContext::duration

Definition at line 38 of file asrc_sine.c.

Referenced by config_props(), and request_frame().

int16_t* SineContext::sin

Definition at line 39 of file asrc_sine.c.

Referenced by init(), request_frame(), and uninit().

int64_t SineContext::pts

Definition at line 40 of file asrc_sine.c.

Referenced by request_frame().

uint32_t SineContext::phi

current phase of the sine (2pi = 1<<32)

Definition at line 41 of file asrc_sine.c.

Referenced by request_frame().

uint32_t SineContext::dphi

phase increment between two samples

Definition at line 42 of file asrc_sine.c.

Referenced by init(), and request_frame().

unsigned SineContext::beep_period

Definition at line 43 of file asrc_sine.c.

Referenced by init(), and request_frame().

unsigned SineContext::beep_index

Definition at line 44 of file asrc_sine.c.

Referenced by request_frame().

unsigned SineContext::beep_length

Definition at line 45 of file asrc_sine.c.

Referenced by init(), and request_frame().

uint32_t SineContext::phi_beep

current phase of the beep

Definition at line 46 of file asrc_sine.c.

Referenced by request_frame().

uint32_t SineContext::dphi_beep

phase increment of the beep

Definition at line 47 of file asrc_sine.c.

Referenced by init(), and request_frame().

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

• libavfilter/asrc_sine.c