add enable/disable auto exposure

pedroSG94 · Nov 14, 2024 · 9222c21 · 9222c21
1 parent 8b428e5
commit 9222c21
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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
@@ -197,4 +197,14 @@ class Camera2Source(context: Context): VideoSource() {
   }
 
   fun isVideoStabilizationEnabled() = camera.isVideoStabilizationEnabled
+
+  fun enableAutoExposure(): Boolean {
+    return if (isRunning()) camera.enableAutoExposure() else false
+  }
+
+  fun disableAutoExposure() {
+    if (isRunning()) camera.disableAutoExposure()
+  }
+
+  fun isAutoExposureEnabled() = camera.isAutoExposureEnabled
 }
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
@@ -89,6 +89,8 @@ class Camera2ApiManager(context: Context) : CameraDevice.StateCallback() {
         private set
     var isAutoFocusEnabled: Boolean = true
         private set
+    var isAutoExposureEnabled: Boolean = false
+        private set
     var isRunning: Boolean = false
         private set
     private var fps = 30
@@ -296,6 +298,25 @@ class Camera2ApiManager(context: Context) : CameraDevice.StateCallback() {
             }
         }
 
+    fun enableAutoExposure(): Boolean {
+        val characteristics = cameraCharacteristics ?: return false
+        val builderInputSurface = this.builderInputSurface ?: return false
+        val modes = characteristics.secureGet(CameraCharacteristics.CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES) ?: return false
+        if (!modes.contains(CaptureRequest.CONTROL_AE_MODE_ON)) return false
+        builderInputSurface.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON)
+        isAutoExposureEnabled = true
+        return isAutoExposureEnabled
+    }
+
+    fun disableAutoExposure() {
+        val characteristics = cameraCharacteristics ?: return
+        val builderInputSurface = this.builderInputSurface ?: return
+        val modes = characteristics.secureGet(CameraCharacteristics.CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES) ?: return
+        if (!modes.contains(CaptureRequest.CONTROL_AE_MODE_ON)) return
+        builderInputSurface.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_OFF)
+        isAutoExposureEnabled = false
+    }
+
     fun enableVideoStabilization(): Boolean {
         val characteristics = cameraCharacteristics ?: return false
         val builderInputSurface = this.builderInputSurface ?: return false

diff --git a/library/src/main/java/com/pedro/library/base/Camera2Base.java b/library/src/main/java/com/pedro/library/base/Camera2Base.java
@@ -166,6 +166,18 @@ public boolean isFaceDetectionEnabled() {
         return cameraManager.isFaceDetectionEnabled();
     }
 
+    public boolean enableAutoExposure() {
+        return cameraManager.enableAutoExposure();
+    }
+
+    public void disableAutoExposure() {
+        cameraManager.disableAutoExposure();
+    }
+
+    public boolean isAutoExposureEnabled() {
+        return cameraManager.isAutoExposureEnabled();
+    }
+
     /**
      * Enable EIS video stabilization
      * Warning: Turning both OIS and EIS modes on may produce undesirable interaction, so it is recommended not to enable both at the same time.