+/**
+ * GstPitchAlgorithm:
+ * @GST_PITCH_ALGORITHM_FFT: simple FFT
+ * @GST_PITCH_ALGORITHM_HPS: Harmonic Product Spectrum
+ *
+ * Pitch detection algorithm.
+ */
+typedef enum
+{
+ GST_PITCH_ALGORITHM_FFT,
+ GST_PITCH_ALGORITHM_HPS
+} GstPitchAlgorithm;
+