Capture focus (continuous or click preview for auto focus)

src/org/linphone/core/video/AndroidCameraRecord.java

@@ -25,6 +25,7 @@ import java.util.List;
 import org.linphone.core.Version;
 
 import android.hardware.Camera;
+import android.hardware.Camera.AutoFocusCallback;
 import android.hardware.Camera.ErrorCallback;
 import android.hardware.Camera.Parameters;
 import android.hardware.Camera.PreviewCallback;
@@ -32,9 +33,11 @@ import android.hardware.Camera.Size;
 import android.util.Log;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
+import android.view.View;
+import android.view.View.OnClickListener;
 
 
-public abstract class AndroidCameraRecord {
+public abstract class AndroidCameraRecord implements AutoFocusCallback {
 
 	protected Camera camera;
 	private RecorderParams params;
@@ -125,6 +128,19 @@ public abstract class AndroidCameraRecord {
 
 		previewStarted = true;
 
+		// Activate autofocus
+		if (Camera.Parameters.FOCUS_MODE_AUTO.equals(parameters.getFocusMode())) {
+			OnClickListener svClickListener = new OnClickListener() {
+				public void onClick(View v) {
+					Log.i(tag, "Auto focus requested");
+					camera.autoFocus(AndroidCameraRecord.this);
+				}
+			};
+			params.surfaceView.setOnClickListener(svClickListener);
+		//	svClickListener.onClick(null);
+		} else {
+			params.surfaceView.setOnClickListener(null);
+		}
 		
 		// Register callback to get capture buffer
 		lowLevelSetPreviewCallback(camera, storedPreviewCallback);
@@ -151,7 +167,7 @@ public abstract class AndroidCameraRecord {
 	public void storePreviewCallBack(PreviewCallback cb) {
 		this.storedPreviewCallback = cb;
 		if (camera == null) {
-			Log.w(tag, "Capture camera not ready, storing callback");
+			Log.w(tag, "Capture camera not ready, storing preview callback");
 			return;
 		}
 		
@@ -165,6 +181,7 @@ public abstract class AndroidCameraRecord {
 		camera.stopPreview();
 		camera.release();
 		camera=null;
+		Log.d(tag, "Camera released");
 		currentPreviewSize = null;
 		previewStarted = false;
 	}
@@ -189,6 +206,7 @@ public abstract class AndroidCameraRecord {
 
 		final long filterDataNativePtr;
 		public int cameraId;
+		public boolean isFrontCamera;
 		public int rotation;
 		public SurfaceView surfaceView;
 
@@ -215,5 +233,9 @@ public abstract class AndroidCameraRecord {
 
 		return currentPreviewSize.width * currentPreviewSize.height * 3 /2;
 	}
-	
+
+	public void onAutoFocus(boolean success, Camera camera) {
+		if (success) Log.i(tag, "Autofocus success");
+		else Log.i(tag, "Autofocus failure");
+	}
 }

src/org/linphone/core/video/AndroidCameraRecord5.java

@@ -18,6 +18,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 package org.linphone.core.video;
 
+import java.util.Arrays;
 import java.util.List;
 
 import org.linphone.core.video.AndroidCameraRecord.RecorderParams.MirrorType;
@@ -43,6 +44,7 @@ class AndroidCameraRecord5 extends AndroidCameraRecord implements PreviewCallbac
 	private final double expectedTimeBetweenFrames;
 	protected final int rotation;
 	private MirrorType mirror;
+//	private boolean isUsingFrontCamera;
 
 	public AndroidCameraRecord5(RecorderParams parameters) {
 		super(parameters);
@@ -50,6 +52,7 @@ class AndroidCameraRecord5 extends AndroidCameraRecord implements PreviewCallbac
 		filterCtxPtr = parameters.filterDataNativePtr;
 		rotation = parameters.rotation;
 		mirror = parameters.mirror;
+//		isUsingFrontCamera = parameters.isFrontCamera;
 
 		storePreviewCallBack(this);
 	}
@@ -94,31 +97,34 @@ class AndroidCameraRecord5 extends AndroidCameraRecord implements PreviewCallbac
 		putImage(filterCtxPtr, data, rotation, mirror.ordinal());
 	}
 
+	protected String selectFocusMode(final List<String> supportedFocusModes) {/*
+		if (isUsingFrontCamera && supportedFocusModes.contains(Camera.Parameters.FOCUS_MODE_FIXED)) {
+			return Camera.Parameters.FOCUS_MODE_FIXED;
+		}
+		if (!isUsingFrontCamera && supportedFocusModes.contains(Camera.Parameters.FOCUS_MODE_INFINITY)) {
+			return Camera.Parameters.FOCUS_MODE_INFINITY;
+		}*/
+
+		if (supportedFocusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
+			return Camera.Parameters.FOCUS_MODE_AUTO;
+		}
+		
+		return null; // Should not occur?
+	}
+	
 	@Override
 	protected void onSettingCameraParameters(Parameters parameters) {
 		super.onSettingCameraParameters(parameters);
-
+		List<String> supportedFocusModes = parameters.getSupportedFocusModes();
-		if (parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
+		String focusMode = selectFocusMode(supportedFocusModes);
-			Log.w(tag, "Auto Focus supported by camera device");
+		if (focusMode != null) {
-			parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
+			Log.w(tag, "Selected focus mode: " + focusMode);
+			parameters.setFocusMode(focusMode);
 		} else {
-			Log.w(tag, "Auto Focus not supported by camera device");
+			Log.i(tag, "No suitable focus mode found in : " + Arrays.toString(supportedFocusModes.toArray()));
-			if (parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_INFINITY)) {
-				Log.w(tag, "Infinity Focus supported by camera device");
-				parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_INFINITY);
-			} else {
-				Log.w(tag, "Infinity Focus not supported by camera device");
-			}
 		}
 	}
 
-	public static List<Size> oneShotSupportedVideoSizes() {
-		Camera camera = Camera.open();
-		List<Size> supportedVideoSizes =camera.getParameters().getSupportedPreviewSizes();
-		camera.release();
-		return supportedVideoSizes;
-	}
-	
 	@Override
 	protected List<Size> getSupportedPreviewSizes(Parameters parameters) {
 		return parameters.getSupportedPreviewSizes();

src/org/linphone/core/video/AndroidCameraRecord8.java

@@ -18,6 +18,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 package org.linphone.core.video;
 
+import java.util.List;
+
 import android.hardware.Camera;
 import android.hardware.Camera.Parameters;
 import android.hardware.Camera.PreviewCallback;
@@ -68,4 +70,12 @@ class AndroidCameraRecord8 extends AndroidCameraRecord5 {
 		// Only on v8 hardware
 		camera.setDisplayOrientation(rotation);
 	}
+
+	@Override
+	protected String selectFocusMode(final List<String> supportedFocusModes) {
+		if (supportedFocusModes.contains(Camera.Parameters.FOCUS_MODE_EDOF)) {
+			return Camera.Parameters.FOCUS_MODE_EDOF;
+		} else
+			return super.selectFocusMode(supportedFocusModes);
+	}
 }

src/org/linphone/core/video/AndroidCameraRecord9.java

@@ -18,6 +18,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 package org.linphone.core.video;
 
+import java.util.List;
+
 import android.hardware.Camera;
 
 /**
@@ -37,4 +39,12 @@ class AndroidCameraRecord9 extends AndroidCameraRecord8 {
 	protected Camera openCamera(int cameraId) {
 		return Camera.open(cameraId);
 	}
+
+	@Override
+	protected String selectFocusMode(final List<String> supportedFocusModes) {
+		if (supportedFocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
+			return Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO;
+		} else
+			return super.selectFocusMode(supportedFocusModes);
+	}
 }

src/org/linphone/core/video/AndroidCameraRecordManager.java

@@ -99,6 +99,7 @@ public class AndroidCameraRecordManager {
 
 		if (parameters != null) {
 			parameters.cameraId = cameraId;
+			parameters.isFrontCamera = !previousUseFront;
 			if (isRecording()) {
 				stopVideoRecording();
 				tryToStartVideoRecording();
@@ -117,9 +118,10 @@ public class AndroidCameraRecordManager {
 		p.width = width;
 		p.height = height;
 		p.cameraId = cameraId;
+		p.isFrontCamera = isUseFrontCamera();
 		parameters = p;
 		
-		if (isUseFrontCamera()) {
+		if (p.isFrontCamera) {
 			if (!isCameraOrientationPortrait()) {
 				// Code for Nexus S: to be tested
 				p.mirror = RecorderParams.MirrorType.CENTRAL;
@@ -227,10 +229,6 @@ public class AndroidCameraRecordManager {
 			if (supportedVideoSizes != null) return supportedVideoSizes;
 		}
 
-		if (Version.sdkAboveOrEqual(5)) {
-			supportedVideoSizes = AndroidCameraRecord5.oneShotSupportedVideoSizes();
-		}
-		
 		// eventually null
 
 		return supportedVideoSizes;