成员的完整列表，这些成员属于 <NvsWaveformDataGeneratorDelegate>,包括所有继承而来的类成员

-	didWaveformDataGenerationFailed:audioFilePath:samplesPerGroup:	<NvsWaveformDataGeneratorDelegate>
-	didWaveformDataReady:audioFilePath:audioFileSampleCount:samplesPerGroup:leftWaveformData:rightWaveformData:	<NvsWaveformDataGeneratorDelegate>