class

MinAudio::Capture

Constructors

new(sample_rate : Int32 = 48000, channels : Int32 = 1, ring_frames : Int32 = 16384, backends : Array(Int32) | Nil = nil)

backends pins the backend list (LibMinAudio::BACKEND_*), like Engine.new — e.g. [BACKEND_OPENSL, BACKEND_AAUDIO] on Android.

Source

Instance methods

available_frames

f32-interleaved frames waiting in the ring right now (level meters, sizing the read buffer).

Source

channels

Source

Stop (if running) and free the device. Idempotent.

Source

closed?

Source

finalize

Source

read(buf : Bytes) : Int32

Pull up to buf.size / (channels * 4) frames of interleaved-f32 PCM into buf; returns the frame count actually read (0 = nothing captured since the last read). Never blocks.

ring_frames

sample_rate

start

stop