Set recording hint to true

library/src/main/java/net/ossrs/yasea/SrsCameraView.java

@@ -287,6 +287,7 @@ public class SrsCameraView extends GLSurfaceView implements GLSurfaceView.Render
         params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
         params.setWhiteBalance(Camera.Parameters.WHITE_BALANCE_AUTO);
         params.setSceneMode(Camera.Parameters.SCENE_MODE_AUTO);
+        params.setRecordingHint(true);
 
         List<String> supportedFocusModes = params.getSupportedFocusModes();
         if (supportedFocusModes != null && !supportedFocusModes.isEmpty()) {