uint32_t channels() const { return source->channels(); }
framecnt_t length() const { return source->length(); }
framecnt_t samplerate() const { return source->samplerate(); }
uint32_t channels() const { return source->channels(); }
framecnt_t length() const { return source->length(); }
framecnt_t samplerate() const { return source->samplerate(); }