MixContext Struct Reference

Data Fields
const AVClass *	class
	class for AVOptions
int	nb_inputs
	number of inputs
int	active_inputs
	number of input currently active
int	duration_mode
	mode for determining duration
float	dropout_transition
	transition time when an input drops out
int	nb_channels
	number of channels
int	sample_rate
	sample rate
AVAudioFifo **	fifos
	audio fifo for each input
uint8_t *	input_state
	current state of each input
float *	input_scale
	mixing scale factor for each input
float	scale_norm
	normalization factor for all inputs
int64_t	next_pts
	calculated pts for next output frame
FrameList *	frame_list
	list of frame info for the first input

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Detailed Description

Definition at line 153 of file af_amix.c.

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Field Documentation

int MixContext::active_inputs

number of input currently active

Definition at line 157 of file af_amix.c.

Referenced by calc_active_inputs(), calculate_scales(), config_output(), and request_frame().

const AVClass* MixContext::class

class for AVOptions

Definition at line 154 of file af_amix.c.

Referenced by init().

float MixContext::dropout_transition

transition time when an input drops out

Definition at line 159 of file af_amix.c.

Referenced by calculate_scales().

int MixContext::duration_mode

mode for determining duration

Definition at line 158 of file af_amix.c.

Referenced by calc_active_inputs().

AVAudioFifo** MixContext::fifos

audio fifo for each input

Definition at line 163 of file af_amix.c.

Referenced by config_output(), filter_samples(), get_available_samples(), output_frame(), request_samples(), and uninit().

FrameList* MixContext::frame_list

list of frame info for the first input

Definition at line 168 of file af_amix.c.

Referenced by config_output(), filter_samples(), request_frame(), and uninit().

float* MixContext::input_scale

mixing scale factor for each input

Definition at line 165 of file af_amix.c.

Referenced by calculate_scales(), config_output(), output_frame(), and uninit().

uint8_t* MixContext::input_state

current state of each input

Definition at line 164 of file af_amix.c.

Referenced by calc_active_inputs(), calculate_scales(), config_output(), get_available_samples(), output_frame(), request_frame(), request_samples(), and uninit().

int MixContext::nb_channels

number of channels

Definition at line 161 of file af_amix.c.

Referenced by config_output(), and output_frame().

int MixContext::nb_inputs

number of inputs

Definition at line 156 of file af_amix.c.

Referenced by calc_active_inputs(), calculate_scales(), config_output(), get_available_samples(), init(), output_frame(), request_frame(), request_samples(), and uninit().

int64_t MixContext::next_pts

calculated pts for next output frame

Definition at line 167 of file af_amix.c.

Referenced by config_output(), output_frame(), and request_frame().

int MixContext::sample_rate

sample rate

Definition at line 162 of file af_amix.c.

Referenced by calculate_scales(), and config_output().

float MixContext::scale_norm

normalization factor for all inputs

Definition at line 166 of file af_amix.c.

Referenced by calculate_scales(), and config_output().

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

• libavfilter/af_amix.c