Switch to channels instead of io.Reader

goborator.go

@@ -4,9 +4,7 @@ package goborator
 // #include <cgaborator.h>
 import "C"
 import (
-	"encoding/binary"
 	"fmt"
-	"io"
 	"unsafe"
 )
 
@@ -135,22 +133,20 @@ func (g *Gaborator) gaborTransform(audioData []float32) {
 	}
 }
 
-func (g *Gaborator) GaborTransform(reader io.Reader) [][]float32 {
-	var err error
-	var f float32
+func (g *Gaborator) GaborTransform(source chan float32) [][]float32 {
 
-	var audioData []float32
+	audioData := make([]float32, g.audioBlockSize)
 
 	for {
-		err = binary.Read(reader, binary.LittleEndian, &f)
-		if err != nil {
+		f, more := <-source
+		if !more {
 			break
 		}
 		audioData = append(audioData, f)
 
 		for len(audioData) >= g.audioBlockSize {
 			g.gaborTransform(audioData[0:g.audioBlockSize])
-			audioData = audioData[g.audioBlockSize:]
+			audioData = audioData[:0]
 		}
 	}