Add --no-audio option

Audio will be enabled by default (when supported). Add an option to
disable it.

PR #3757 <https://github.com/Genymobile/scrcpy/pull/3757>

Co-authored-by: Romain Vimont <rom@rom1v.com>
Signed-off-by: Romain Vimont <rom@rom1v.com>

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

@@ -8,6 +8,7 @@ public class Options {
 
     private Ln.Level logLevel = Ln.Level.DEBUG;
     private int scid = -1; // 31-bit non-negative value, or -1
+    private boolean audio = true;
     private int maxSize;
     private VideoCodec codec = VideoCodec.H264;
     private int bitRate = 8000000;
@@ -49,6 +50,14 @@ public class Options {
         this.scid = scid;
     }
 
+    public boolean getAudio() {
+        return audio;
+    }
+
+    public void setAudio(boolean audio) {
+        this.audio = audio;
+    }
+
     public int getMaxSize() {
         return maxSize;
     }

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

@@ -169,6 +169,10 @@ public final class Server {
                     Ln.Level level = Ln.Level.valueOf(value.toUpperCase(Locale.ENGLISH));
                     options.setLogLevel(level);
                     break;
+                case "audio":
+                    boolean audio = Boolean.parseBoolean(value);
+                    options.setAudio(audio);
+                    break;
                 case "codec":
                     VideoCodec codec = VideoCodec.findByName(value);
                     if (codec == null) {