FFmpeg: MixContext Struct Reference

FFmpeg 4.0

Data Fields
const AVClass *	class
	class for AVOptions More...

AVFloatDSPContext *	fdsp

int	nb_inputs
	number of inputs More...

int	active_inputs
	number of input currently active More...

int	duration_mode
	mode for determining duration More...

float	dropout_transition
	transition time when an input drops out More...

char *	weights_str
	string for custom weights for every input More...

int	nb_channels
	number of channels More...

int	sample_rate
	sample rate More...

int	planar

AVAudioFifo **	fifos
	audio fifo for each input More...

uint8_t *	input_state
	current state of each input More...

float *	input_scale
	mixing scale factor for each input More...

float *	weights
	custom weights for every input More...

float	weight_sum
	sum of custom weights for every input More...

float *	scale_norm
	normalization factor for every input More...

int64_t	next_pts
	calculated pts for next output frame More...

FrameList *	frame_list
	list of frame info for the first input More...

const AVPixFmtDescriptor *	desc

int	duration

float	wfactor

int	depth

int	nb_planes

int	linesize [4]

int	height [4]

AVFrame **	frames

FFFrameSync	fs

Detailed Description

Definition at line 157 of file af_amix.c.

Field Documentation

◆ class

const AVClass * MixContext::class

class for AVOptions

Definition at line 158 of file af_amix.c.

◆ fdsp

AVFloatDSPContext* MixContext::fdsp

Definition at line 159 of file af_amix.c.

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

◆ nb_inputs

int MixContext::nb_inputs

number of inputs

Definition at line 161 of file af_amix.c.

Referenced by activate(), calc_active_inputs(), calculate_scales(), config_output(), init(), output_frame(), process_frame(), request_samples(), and uninit().

◆ active_inputs

int MixContext::active_inputs

number of input currently active

Definition at line 162 of file af_amix.c.

Referenced by calc_active_inputs(), and config_output().

◆ duration_mode

int MixContext::duration_mode

mode for determining duration

Definition at line 163 of file af_amix.c.

Referenced by calc_active_inputs().

◆ dropout_transition

float MixContext::dropout_transition

transition time when an input drops out

Definition at line 164 of file af_amix.c.

Referenced by calculate_scales().

◆ weights_str

char * MixContext::weights_str

string for custom weights for every input

Definition at line 165 of file af_amix.c.

Referenced by init().

◆ nb_channels

int MixContext::nb_channels

number of channels

Definition at line 167 of file af_amix.c.

Referenced by config_output(), and output_frame().

◆ sample_rate

int MixContext::sample_rate

sample rate

Definition at line 168 of file af_amix.c.

Referenced by calculate_scales(), and config_output().

◆ planar

int MixContext::planar

Definition at line 169 of file af_amix.c.

Referenced by config_output(), and output_frame().

◆ fifos

AVAudioFifo** MixContext::fifos

audio fifo for each input

Definition at line 170 of file af_amix.c.

Referenced by activate(), config_output(), output_frame(), request_samples(), and uninit().

◆ input_state

uint8_t* MixContext::input_state

current state of each input

Definition at line 171 of file af_amix.c.

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

◆ input_scale

float* MixContext::input_scale

mixing scale factor for each input

Definition at line 172 of file af_amix.c.

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

◆ weights

float * MixContext::weights

custom weights for every input

Definition at line 173 of file af_amix.c.

Referenced by calculate_scales(), config_output(), init(), process_frame(), and uninit().

◆ weight_sum

float MixContext::weight_sum

sum of custom weights for every input

Definition at line 174 of file af_amix.c.

Referenced by calculate_scales(), config_output(), and init().

◆ scale_norm

float* MixContext::scale_norm

normalization factor for every input

Definition at line 175 of file af_amix.c.

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

◆ next_pts

int64_t MixContext::next_pts

calculated pts for next output frame

Definition at line 176 of file af_amix.c.

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

◆ frame_list

FrameList* MixContext::frame_list

list of frame info for the first input

Definition at line 177 of file af_amix.c.

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

◆ desc

const AVPixFmtDescriptor* MixContext::desc

Definition at line 35 of file vf_mix.c.

Referenced by config_output(), and query_formats().

◆ duration

int MixContext::duration

Definition at line 38 of file vf_mix.c.

Referenced by config_output().

◆ wfactor

float MixContext::wfactor

Definition at line 40 of file vf_mix.c.

Referenced by init(), and process_frame().

◆ depth

int MixContext::depth

Definition at line 42 of file vf_mix.c.

Referenced by config_output(), and process_frame().

◆ nb_planes

int MixContext::nb_planes

Definition at line 43 of file vf_mix.c.

Referenced by config_output(), and process_frame().

◆ linesize

int MixContext::linesize[4]

Definition at line 44 of file vf_mix.c.

Referenced by config_output(), and process_frame().

◆ height

int MixContext::height[4]

Definition at line 45 of file vf_mix.c.

Referenced by config_output(), and process_frame().

◆ frames

AVFrame** MixContext::frames

Definition at line 47 of file vf_mix.c.

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

◆ fs

FFFrameSync MixContext::fs

Definition at line 48 of file vf_mix.c.

Referenced by activate(), config_output(), process_frame(), and uninit().

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

libavfilter/af_amix.c
libavfilter/vf_mix.c