capture

package

v1.152.0 Latest Latest Go to latest Published: Oct 21, 2026 License: Apache-2.0 Imports: 2 Imported by: 0

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Package capture provides microphone capture using CoreAudio on macOS.

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const (
	SampleRate44100 = 44100 // CD quality, used for WAV recording
	SampleRate24000 = 24000 // Required by OpenAI Realtime API
)

Common sample rates.

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var ErrNotSupported = errors.New("audio capture is only supported on macOS")

ErrNotSupported is returned when audio capture is unavailable on the current platform.

This section is empty.

type AudioHandler func(data []byte)

AudioHandler receives mono, 16-bit signed PCM (little-endian) audio chunks.

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

Capturer configures independent microphone capture runs.

func NewCapturer(sampleRate int) *Capturer

NewCapturer creates a capturer with the specified sample rate.

func (c *Capturer) Run(context.Context, string, AudioHandler, func()) error

Run returns ErrNotSupported when native audio capture is unavailable.