def _get_subtype()

in torchaudio/backend/soundfile_backend.py [0:0]

• 20 lines of code
• 12 McCabe index (conditional complexity)

def _get_subtype(dtype: torch.dtype, format: str, encoding: str, bits_per_sample: int):
    if format == "wav":
        return _get_subtype_for_wav(dtype, encoding, bits_per_sample)
    if format == "flac":
        if encoding:
            raise ValueError("flac does not support encoding.")
        if not bits_per_sample:
            return "PCM_16"
        if bits_per_sample > 24:
            raise ValueError("flac does not support bits_per_sample > 24.")
        return "PCM_S8" if bits_per_sample == 8 else f"PCM_{bits_per_sample}"
    if format in ("ogg", "vorbis"):
        if encoding or bits_per_sample:
            raise ValueError("ogg/vorbis does not support encoding/bits_per_sample.")
        return "VORBIS"
    if format == "sph":
        return _get_subtype_for_sphere(encoding, bits_per_sample)
    if format in ("nis", "nist"):
        return "PCM_16"
    raise ValueError(f"Unsupported format: {format}")