diff --git a/encoder/src/main/java/com/pedro/encoder/input/sources/video/Camera2Source.kt b/encoder/src/main/java/com/pedro/encoder/input/sources/video/Camera2Source.kt
index bb1baf755..3c71c9ec2 100644
--- a/encoder/src/main/java/com/pedro/encoder/input/sources/video/Camera2Source.kt
+++ b/encoder/src/main/java/com/pedro/encoder/input/sources/video/Camera2Source.kt
@@ -269,4 +269,8 @@ class Camera2Source(context: Context): VideoSource() {
     size?.let { checkResolutionSupported(it.width, it.height) }
     camera.setRequiredResolution(size)
   }
+
+  fun lockExposure(enabled: Boolean) = camera.lockExposure(enabled)
+
+  fun isLockExposureEnabled() = camera.isLockExposureEnabled()
 }
\ No newline at end of file
diff --git a/encoder/src/main/java/com/pedro/encoder/input/video/Camera2ApiManager.kt b/encoder/src/main/java/com/pedro/encoder/input/video/Camera2ApiManager.kt
index 03c5f9374..bc454f6da 100644
--- a/encoder/src/main/java/com/pedro/encoder/input/video/Camera2ApiManager.kt
+++ b/encoder/src/main/java/com/pedro/encoder/input/video/Camera2ApiManager.kt
@@ -95,6 +95,8 @@ class Camera2ApiManager(context: Context) : CameraDevice.StateCallback() {
         private set
     var isAutoWhiteBalanceEnabled: Boolean = true
         private set
+    var lockExposureEnabled: Boolean = false
+        private set
     var isRunning: Boolean = false
         private set
     private var fps = 30
@@ -315,6 +317,17 @@ class Camera2ApiManager(context: Context) : CameraDevice.StateCallback() {
         }
     }
 
+    fun lockExposure(enabled: Boolean): Boolean {
+        val builderInputSurface = this.builderInputSurface ?: return false
+        builderInputSurface.set(CaptureRequest.CONTROL_AE_LOCK, enabled)
+        if (applyRequest(builderInputSurface)) {
+            lockExposureEnabled = enabled
+            return true
+        } else return false
+    }
+
+    fun isLockExposureEnabled() = lockExposureEnabled
+
     /**
      * @param mode value from CameraCharacteristics.CONTROL_AWB_MODE_*
      */