Add GetLatency again

goborator.go

@@ -22,6 +22,7 @@ type Gaborator struct {
 	coefficientOutputChannel chan []float32
 	bandsPerOctave           int
 	bandNumberCache          int
+	latency                  int64
 }
 
 func NewGaborator(blockSize int, sampleRate float64, bandsPerOctave int, minimumFrequency, maximumFrequency, referenceFrequency float64, stepSize int) *Gaborator {
@@ -31,6 +32,7 @@ func NewGaborator(blockSize int, sampleRate float64, bandsPerOctave int, minimum
 		bandsPerOctave: bandsPerOctave,
 	}
 	ob.bandNumberCache = ob.GetNumberOfBands()
+	ob.latency = int64(C.gaborator_analysis_support(ob.pointer))
 	return ob
 }
 
@@ -118,6 +120,10 @@ func (g *Gaborator) GetBlockSize() int {
 	return g.audioBlockSize
 }
 
+func (g *Gaborator) GetLatency() int64 {
+	return g.latency
+}
+
 func (g *Gaborator) GetBandwidth() float64 {
 	return 1200. / float64(g.bandsPerOctave)
 }