sys_sound_util.py

import sounddevice as sd

class SysSoundUtil:

    @staticmethod
    def get_supported_sample_rates_of_device(device_id=None, rates_to_test: list[int]=[]) -> list[int]:
        """
        Probe which sample rates are supported by the output device.
        """

        if not rates_to_test:
            rates_to_test = [22050, 24000, 44100, 48000, 88200, 96000, 176400, 192000]
        
        if device_id is None:
            # Get default output device's id
            device_info = sd.query_devices(kind='output')
            device_id = device_info['index']
        
        supported = []
        for rate in rates_to_test:
            try:
                # Check if device supports this sample rate
                sd.check_output_settings(device=device_id, samplerate=rate)
                supported.append(rate)
            except sd.PortAudioError as e:
                # `rate` is not supported
                pass
        
        return supported

    @staticmethod
    def get_current_device_default_sample_rate() -> int:
        """Get the preferred/default sample rate for the output device."""
        try:
            device_info = sd.query_devices(kind='output')
            return int(device_info['default_samplerate'])
        except Exception as e:
            print("Couldn't get device default samplerate, falling back to 44100:", e)
            return 44100