pkgs/audio/portaudio

Provide native PortAudio capture/playback backend, and adapt the device stream to pcm formats and writers.

Go API References

Core structure and main function

Symbol	Function
Driver / NewDriver	Manage PortAudio backend lifecycle.
DeviceInfo	Description capture/playback device.
StreamConfig / StreamConfigFromPCM	Configure device, format and frames per buffer.
CaptureStream / OpenCapture	Open audio input.
PlaybackStream / OpenPlayback	Open audio output.
PCMPlaybackWriter / OpenPCMPlaybackWriter	Write PCM chunks to the playback stream.
ListDevices / DefaultInputDevice / DefaultOutputDevice	Query the device.
NativeRuntimeSupported / BackendName	Describe the current platform backend availability.

Platform and CGO support are determined by the backend matrix; unsupported builds must return explicit capability status or errors.