opt

const InputWAV Input = "wav"

OptLoadWav to use Go-Native WAV file I/O

const OutputNull Output = "null"

OptOutputNull for benchmarking/profiling, because those tools are unable to sample to C-go callback tree

const OutputPortAudio Output = "portaudio"

OptOutputPortAudio to use Portaudio for audio output

const OutputSDL Output = "sdl"

OptOutputSDL to use SDL for audio output

const OutputWAV Output = "wav"

OptOutputWAV to use WAV directly for []byte to stdout