Sine wave which is based on a fast approximation function. More...
#include <SoundGenerator.h>
Inheritance diagram for FastSineGenerator< T >:
Public Member Functions | |
| FastSineGenerator (float amplitude=32767.0, float phase=0.0) | |
| virtual AudioInfo | audioInfo () |
| Provides the AudioInfo. | |
| bool | begin () override |
| bool | begin (AudioInfo info) override |
| bool | begin (AudioInfo info, float frequency) |
| bool | begin (int channels, int sample_rate, float frequency) |
| virtual AudioInfo | defaultConfig () override |
| Provides the default configuration. | |
| virtual void | end () |
| ends the processing | |
| virtual bool | isActive () |
| virtual size_t | readBytes (uint8_t *data, size_t len) |
| Provides the data as byte array with the requested number of channels. | |
| virtual T | readSample () override |
| Provides a single sample. | |
| void | setAmplitude (float amp) |
| virtual void | setAudioInfo (AudioInfo info) override |
| Defines/updates the AudioInfo. | |
| void | setFrequency (float frequency) override |
| Defines the frequency - after the processing has been started. | |
Protected Member Functions | |
| void | logStatus () |
| size_t | readBytesFrames (uint8_t *buffer, size_t lengthBytes, int frames, int channels) |
| size_t | readBytesFromBuffer (uint8_t *buffer, size_t lengthBytes, int frame_size, int channels) |
| float | sine (float t) |
| sine approximation. | |
Protected Attributes | |
| bool | active = false |
| bool | activeWarningIssued = false |
| const float | double_Pi = PI * 2.0f |
| AudioInfo | info |
| float | m_amplitude = 1.0f |
| float | m_cycles = 0.0f |
| float | m_deltaTime = 0.0f |
| volatile float | m_frequency = 0.0f |
| float | m_phase = 0.0f |
| RingBuffer< uint8_t > | ring_buffer {0} |
Detailed Description
template<class T>
class audio_tools::FastSineGenerator< T >
Sine wave which is based on a fast approximation function.
- Copyright
- GPLv3
- Template Parameters
-
T
Member Function Documentation
◆ isActive()
|
inlinevirtualinherited |
Checks if the begin method has been called - after end() isActive returns false
The documentation for this class was generated from the following file:
- src/AudioTools/CoreAudio/AudioEffects/SoundGenerator.h
