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void
swift_waveform_get_samples(_wave)
		swift_waveform *_wave
	INIT:
		int16_t *buffer = NULL;
		int samples = 0;
		int bytes_per_sample = 0;
		int i = 0;

	PPCODE:
		if (SWIFT_FAILED(swift_waveform_get_samples(_wave, (const void**)&buffer, &samples, &bytes_per_sample)))
		{
			croak("failed to get samples from waveform object");
		}

		if ( (samples > 0) && (bytes_per_sample > 0) )
		{
			for(i=0; i<samples; i++)
			{
				XPUSHs(sv_2mortal(newSVnv(buffer[i])));