Extract AudioCapture creation

This will allow to pass capture options without code duplication.

server/src/main/java/com/genymobile/scrcpy/AudioEncoder.java

@@ -40,6 +40,7 @@ public final class AudioEncoder implements AsyncProcessor {
     private static final int READ_MS = 5; // milliseconds
     private static final int READ_SIZE = AudioCapture.millisToBytes(READ_MS);
 
+    private final AudioCapture capture;
     private final Streamer streamer;
     private final int bitRate;
     private final List<CodecOption> codecOptions;
@@ -58,7 +59,8 @@ public final class AudioEncoder implements AsyncProcessor {
 
     private boolean ended;
 
-    public AudioEncoder(Streamer streamer, int bitRate, List<CodecOption> codecOptions, String encoderName) {
+    public AudioEncoder(AudioCapture capture, Streamer streamer, int bitRate, List<CodecOption> codecOptions, String encoderName) {
+        this.capture = capture;
         this.streamer = streamer;
         this.bitRate = bitRate;
         this.codecOptions = codecOptions;
@@ -175,7 +177,6 @@ public final class AudioEncoder implements AsyncProcessor {
         }
 
         MediaCodec mediaCodec = null;
-        AudioCapture capture = new AudioCapture();
 
         boolean mediaCodecStarted = false;
         try {
@@ -192,10 +193,9 @@ public final class AudioEncoder implements AsyncProcessor {
             capture.start();
 
             final MediaCodec mediaCodecRef = mediaCodec;
-            final AudioCapture captureRef = capture;
             inputThread = new Thread(() -> {
                 try {
-                    inputThread(mediaCodecRef, captureRef);
+                    inputThread(mediaCodecRef, capture);
                 } catch (IOException | InterruptedException e) {
                     Ln.e("Audio capture error", e);
                 } finally {

server/src/main/java/com/genymobile/scrcpy/AudioRawRecorder.java

@@ -8,6 +8,7 @@ import java.nio.ByteBuffer;
 
 public final class AudioRawRecorder implements AsyncProcessor {
 
+    private final AudioCapture capture;
     private final Streamer streamer;
 
     private Thread thread;
@@ -15,7 +16,8 @@ public final class AudioRawRecorder implements AsyncProcessor {
     private static final int READ_MS = 5; // milliseconds
     private static final int READ_SIZE = AudioCapture.millisToBytes(READ_MS);
 
-    public AudioRawRecorder(Streamer streamer) {
+    public AudioRawRecorder(AudioCapture capture, Streamer streamer) {
+        this.capture = capture;
         this.streamer = streamer;
     }
 
@@ -29,7 +31,6 @@ public final class AudioRawRecorder implements AsyncProcessor {
         final ByteBuffer buffer = ByteBuffer.allocateDirect(READ_SIZE);
         final MediaCodec.BufferInfo bufferInfo = new MediaCodec.BufferInfo();
 
-        AudioCapture capture = new AudioCapture();
         try {
             capture.start();
 

server/src/main/java/com/genymobile/scrcpy/Server.java

@@ -136,13 +136,14 @@ public final class Server {
 
             if (audio) {
                 AudioCodec audioCodec = options.getAudioCodec();
+                AudioCapture audioCapture = new AudioCapture();
                 Streamer audioStreamer = new Streamer(connection.getAudioFd(), audioCodec, options.getSendCodecMeta(),
                         options.getSendFrameMeta());
                 AsyncProcessor audioRecorder;
                 if (audioCodec == AudioCodec.RAW) {
-                    audioRecorder = new AudioRawRecorder(audioStreamer);
+                    audioRecorder = new AudioRawRecorder(audioCapture, audioStreamer);
                 } else {
-                    audioRecorder = new AudioEncoder(audioStreamer, options.getAudioBitRate(), options.getAudioCodecOptions(),
+                    audioRecorder = new AudioEncoder(audioCapture, audioStreamer, options.getAudioBitRate(), options.getAudioCodecOptions(),
                             options.getAudioEncoder());
                 }
                 asyncProcessors.add(audioRecorder);