handle eof

main.go

@@ -11,6 +11,7 @@ import "C"
 
 import (
 	"encoding/binary"
+	"io"
 	"os"
 	"time"
 )
@@ -61,7 +62,10 @@ func main() {
 		audioData := make([]int16, bufSize)
 
 		err = binary.Read(os.Stdin, binary.LittleEndian, audioData)
-		if err != nil {
+		if err == io.ErrUnexpectedEOF {
+			running = false
+			break
+		} else if err != nil {
 			panic(err)
 		}