FFmpeg
Data Fields

Mix Gain Parameter Data as defined in section 3.8.1 of IAMF. More...

#include <iamf.h>

Data Fields

const AVClassav_class
 
unsigned int subblock_duration
 Duration for the given subblock, in units of 1 / parameter_rate. More...
 
enum AVIAMFAnimationType animation_type
 The type of animation applied to the parameter values. More...
 
AVRational start_point_value
 Parameter value that is applied at the start of the subblock. More...
 
AVRational end_point_value
 Parameter value that is applied at the end of the subblock. More...
 
AVRational control_point_value
 Parameter value of the middle control point of a quadratic Bezier curve, i.e., its y-axis value. More...
 
AVRational control_point_relative_time
 Parameter value of the time of the middle control point of a quadratic Bezier curve, i.e., its x-axis value. More...
 

Detailed Description

Mix Gain Parameter Data as defined in section 3.8.1 of IAMF.

Note
This struct's size is not a part of the public ABI.

Definition at line 77 of file iamf.h.

Field Documentation

◆ av_class

const AVClass* AVIAMFMixGain::av_class

Definition at line 78 of file iamf.h.

◆ subblock_duration

unsigned int AVIAMFMixGain::subblock_duration

Duration for the given subblock, in units of 1 / parameter_rate.

It must not be 0.

Definition at line 85 of file iamf.h.

◆ animation_type

enum AVIAMFAnimationType AVIAMFMixGain::animation_type

The type of animation applied to the parameter values.

Definition at line 89 of file iamf.h.

◆ start_point_value

AVRational AVIAMFMixGain::start_point_value

Parameter value that is applied at the start of the subblock.

Applies to all defined Animation Types.

Valid range of values is -128.0 to 128.0

Definition at line 96 of file iamf.h.

◆ end_point_value

AVRational AVIAMFMixGain::end_point_value

Parameter value that is applied at the end of the subblock.

Applies only to AV_IAMF_ANIMATION_TYPE_LINEAR and AV_IAMF_ANIMATION_TYPE_BEZIER Animation Types.

Valid range of values is -128.0 to 128.0

Definition at line 104 of file iamf.h.

◆ control_point_value

AVRational AVIAMFMixGain::control_point_value

Parameter value of the middle control point of a quadratic Bezier curve, i.e., its y-axis value.

Applies only to AV_IAMF_ANIMATION_TYPE_BEZIER Animation Type.

Valid range of values is -128.0 to 128.0

Definition at line 112 of file iamf.h.

◆ control_point_relative_time

AVRational AVIAMFMixGain::control_point_relative_time

Parameter value of the time of the middle control point of a quadratic Bezier curve, i.e., its x-axis value.

Applies only to AV_IAMF_ANIMATION_TYPE_BEZIER Animation Type.

Valid range of values is 0.0 to 1.0

Definition at line 120 of file iamf.h.


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