fix linting issues

Author: sumit-anantwar

gov2/transcribe/streaming/main.go

@@ -17,7 +17,10 @@ func main() {
 	logger := log.New(os.Stdout, "", log.Lmsgprefix)
 	ctx := context.Background()
 
-	mic := NewMicProvider(logger)
+	mic, err := NewMicProvider(logger)
+	if err != nil {
+		log.Fatal("failed to initialize port audio:", err)
+	}
 
 	cp := aws.CredentialsProviderFunc(func(ctx context.Context) (aws.Credentials, error) {
 		return aws.Credentials{
@@ -65,7 +68,10 @@ func startMicrophone(ctx context.Context, mic *MicProvider, stream *transcribe.S
 				},
 			}
 
-			stream.Send(ctx, audioStream)
+			err := stream.Send(ctx, audioStream)
+			if err != nil {
+				log.Println("failed to send audio chunk: ", err)
+			}
 		}
 	}()
 }

gov2/transcribe/streaming/mic_provider.go

@@ -11,8 +11,11 @@ type MicProvider struct {
 	stream *portaudio.Stream
 }
 
-func NewMicProvider(log *log.Logger) *MicProvider {
-	portaudio.Initialize()
+func NewMicProvider(log *log.Logger) (*MicProvider, error) {
+	err := portaudio.Initialize()
+	if err != nil {
+		return nil, err
+	}
 
 	defaultBytesToRead := 2048
 
@@ -23,15 +26,18 @@ func NewMicProvider(log *log.Logger) *MicProvider {
 
 	stream, err := portaudio.OpenDefaultStream(inputChannels, 0, float64(samplingRate), len(intBuf), intBuf)
 	if err != nil {
-		log.Fatal("failed to initialize port audio:", err)
+		return nil, err
 	}
 
-	stream.Start()
+	err = stream.Start()
+	if err != nil {
+		return nil, err
+	}
 
 	return &MicProvider{
 		intBuf: intBuf,
 		stream: stream,
-	}
+	}, nil
 }
 
 func (mp *MicProvider) Read() []int16 {