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juce::dsp::Gain< FloatType > Class Template Reference
juce_dsp » widgets

Applies a gain to audio samples as single samples or AudioBlocks. More...

`#include <juce_Gain.h>`

## Public Member Functions
| Gain () noexcept=default
void | setGainLinear (FloatType newGain) noexcept
| Applies a new gain as a linear value.
void | setGainDecibels (FloatType newGainDecibels) noexcept
| Applies a new gain as a decibel value.
FloatType | getGainLinear () const noexcept
| Returns the current gain as a linear value.
FloatType | getGainDecibels () const noexcept
| Returns the current gain in decibels.
void | setRampDurationSeconds (double newDurationSeconds) noexcept
| Sets the length of the ramp used for smoothing gain changes.
double | getRampDurationSeconds () const noexcept
| Returns the ramp duration in seconds.
bool | isSmoothing () const noexcept
| Returns true if the current value is currently being interpolated.
void | prepare (const ProcessSpec &spec) noexcept
| Called before processing starts.
void | reset () noexcept
| Resets the internal state of the gain.
template<typename SampleType >
SampleType JUCE_VECTOR_CALLTYPE | processSample (SampleType s) noexcept
| Returns the result of processing a single sample.
template<typename ProcessContext >
void | process (const ProcessContext &context) noexcept
| Processes the input and output buffers supplied in the processing context.

## Detailed Description

template<typename FloatType>
class juce::dsp::Gain< FloatType >

Applies a gain to audio samples as single samples or AudioBlocks.

## Constructor & Destructor Documentation

## ◆ Gain()

template<typename FloatType >

juce::dsp::Gain< FloatType >::Gain | ( |  | ) |
| default noexcept

## Member Function Documentation

## ◆ setGainLinear()

template<typename FloatType >

void juce::dsp::Gain< FloatType >::setGainLinear | ( | FloatType | newGain | ) |
| noexcept

Applies a new gain as a linear value.

Referenced by juce::dsp::Gain< FloatType >::setGainDecibels().

## ◆ setGainDecibels()

template<typename FloatType >

void juce::dsp::Gain< FloatType >::setGainDecibels | ( | FloatType | newGainDecibels | ) |
| noexcept

Applies a new gain as a decibel value.

References juce::dsp::Gain< FloatType >::setGainLinear().

## ◆ getGainLinear()

template<typename FloatType >

FloatType juce::dsp::Gain< FloatType >::getGainLinear | ( |  | ) | const
| noexcept

Returns the current gain as a linear value.

Referenced by juce::dsp::Gain< FloatType >::getGainDecibels().

## ◆ getGainDecibels()

template<typename FloatType >

FloatType juce::dsp::Gain< FloatType >::getGainDecibels | ( |  | ) | const
| noexcept

Returns the current gain in decibels.

References juce::dsp::Gain< FloatType >::getGainLinear().

## ◆ setRampDurationSeconds()

template<typename FloatType >

void juce::dsp::Gain< FloatType >::setRampDurationSeconds | ( | double | newDurationSeconds | ) |
| noexcept

Sets the length of the ramp used for smoothing gain changes.

References approximatelyEqual(), and juce::dsp::Gain< FloatType >::reset().

## ◆ getRampDurationSeconds()

template<typename FloatType >

double juce::dsp::Gain< FloatType >::getRampDurationSeconds | ( |  | ) | const
| noexcept

Returns the ramp duration in seconds.

## ◆ isSmoothing()

template<typename FloatType >

bool juce::dsp::Gain< FloatType >::isSmoothing | ( |  | ) | const
| noexcept

Returns true if the current value is currently being interpolated.

## ◆ prepare()

template<typename FloatType >

void juce::dsp::Gain< FloatType >::prepare | ( | const ProcessSpec & | spec | ) |
| noexcept

Called before processing starts.

References juce::dsp::Gain< FloatType >::reset().

## ◆ reset()

template<typename FloatType >

void juce::dsp::Gain< FloatType >::reset | ( |  | ) |
| noexcept

Resets the internal state of the gain.

Referenced by juce::dsp::Gain< FloatType >::prepare(), and juce::dsp::Gain< FloatType >::setRampDurationSeconds().

## ◆ processSample()

template<typename FloatType >
template<typename SampleType >

SampleType JUCE_VECTOR_CALLTYPE juce::dsp::Gain< FloatType >::processSample | ( | SampleType | s | ) |
| noexcept

Returns the result of processing a single sample.

## ◆ process()

template<typename FloatType >
template<typename ProcessContext >

void juce::dsp::Gain< FloatType >::process | ( | const ProcessContext & | context | ) |
| noexcept

Processes the input and output buffers supplied in the processing context.

References jassert, JUCE_BEGIN_IGNORE_WARNINGS_MSVC, and JUCE_END_IGNORE_WARNINGS_MSVC.

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

- juce_Gain.h