portaudio

package module

v0.2.0 Latest Latest Go to latest Published: Dec 9, 2019 License: MIT Imports: 3 Imported by: 0

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README ¶

Portaudio

Play audio with portaudio API.

Documentation ¶

Overview ¶

Package portaudio allows to play audio with Portaudio API.

Index ¶

func Devices() (map[IO][]Device, error)
type Device
- func DefaultInputDevice() (d Device, err error)
- func DefaultOutputDevice() (d Device, err error)
type IO
- func (i IO) String() string
type Sink

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Devices ¶

func Devices() (map[IO][]Device, error)

Devices return a list of portaudio devices.

Types ¶

type Device ¶

type Device struct {
	// contains filtered or unexported fields
}

Device is the device accessed through portaudio.

func DefaultInputDevice ¶

func DefaultInputDevice() (d Device, err error)

DefaultInputDevice returns input device used by system as default at the moment.

func DefaultOutputDevice ¶

func DefaultOutputDevice() (d Device, err error)

DefaultOutputDevice returns output device used by system as default at the moment.

type IO ¶

type IO int

IO determines the type of device.

const (
	// Input is a device that has input channels.
	Input IO = iota
	// Output is a device that has output channels.
	Output
	// Inactive is a device that doesn't have any input or output channels.
	Inactive
)

func (IO) String ¶

func (i IO) String() string

type Sink ¶

type Sink struct {
	Device
	// contains filtered or unexported fields
}

Sink represets portaudio sink which allows to play audio. If no device is provided, the current system default will be used.

func (*Sink) Flush ¶

func (s *Sink) Flush(string) (err error)

Flush terminates portaudio structures. It's executed only if Reset didn't return error.

func (*Sink) Reset ¶

func (s *Sink) Reset(string) error

Reset sink to use valid portaudio device info.

func (*Sink) Sink ¶

func (s *Sink) Sink(sourceID string, sampleRate signal.SampleRate, numChannels int) (func(signal.Float64) error, error)

Sink writes the buffer of data to portaudio stream. It aslo initilizes a portaudio api with default stream.

Source Files ¶

View all Source files

portaudio.go

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