Support for video file instead of camera and output video out to file

webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java

Index: webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
diff --git a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
index a1ea8a457d2ed2e1589e56e1828ea23e6c5a4bfe..359e98689654825304f8db70462d96a28499e498 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
@@ -29,14 +29,22 @@ import android.view.Window;
 import android.view.WindowManager.LayoutParams;
 import android.widget.Toast;
 
+import java.io.IOException;
+import java.lang.RuntimeException;
+import java.util.ArrayList;
+import java.util.List;
+
 import org.webrtc.Camera2Enumerator;
 import org.webrtc.EglBase;
+import org.webrtc.GlVideoFileRenderer;
+import org.webrtc.GlRectDrawer;
 import org.webrtc.IceCandidate;
 import org.webrtc.PeerConnectionFactory;
 import org.webrtc.RendererCommon.ScalingType;
 import org.webrtc.SessionDescription;
 import org.webrtc.StatsReport;
 import org.webrtc.SurfaceViewRenderer;
+import org.webrtc.VideoRenderer;
 
 /**
  * Activity for peer connection call setup, call waiting
@@ -96,6 +104,18 @@ public class CallActivity extends Activity
       "org.appspot.apprtc.CMDLINE";
   public static final String EXTRA_RUNTIME =
       "org.appspot.apprtc.RUNTIME";
+  public static final String EXTRA_VIDEO_FILE_AS_CAMERA =
+    "org.appspot.apprtc.VIDEO_FILE_AS_CAMERA";
+  public static final String EXTRA_VIDEO_FILE_AS_CAMERA_WIDTH =
+    "org.appspot.apprtc.VIDEO_FILE_AS_CAMERA_WIDTH";
+  public static final String EXTRA_VIDEO_FILE_AS_CAMERA_HEIGHT =
+    "org.appspot.apprtc.VIDEO_FILE_AS_CAMERA_HEIGHT";
+  public static final String EXTRA_SAVE_REMOTE_VIDEO_TO_FILE =
+    "org.appspot.apprtc.SAVE_REMOTE_VIDEO_TO_FILE";
+  public static final String EXTRA_SAVE_REMOTE_VIDEO_TO_FILE_WIDTH =
+    "org.appspot.apprtc.SAVE_REMOTE_VIDEO_TO_FILE_WIDTH";
+  public static final String EXTRA_SAVE_REMOTE_VIDEO_TO_FILE_HEIGHT =
+    "org.appspot.apprtc.SAVE_REMOTE_VIDEO_TO_FILE_HEIGHT";
   private static final String TAG = "CallRTCClient";
 
   // List of mandatory application permissions.
@@ -128,7 +148,9 @@ public class CallActivity extends Activity
   private AppRTCAudioManager audioManager = null;
   private EglBase rootEglBase;
   private SurfaceViewRenderer localRender;
-  private SurfaceViewRenderer remoteRender;
+  private SurfaceViewRenderer remoteRenderScreen;
+  private GlVideoFileRenderer videoFileRenderer;
+  private List<VideoRenderer.Callbacks> remoteRenders = new ArrayList<VideoRenderer.Callbacks>();
   private PercentFrameLayout localRenderLayout;
   private PercentFrameLayout remoteRenderLayout;
   private ScalingType scalingType;
@@ -176,7 +198,7 @@ public class CallActivity extends Activity
 
     // Create UI controls.
     localRender = (SurfaceViewRenderer) findViewById(R.id.local_video_view);
-    remoteRender = (SurfaceViewRenderer) findViewById(R.id.remote_video_view);
+    remoteRenderScreen = (SurfaceViewRenderer) findViewById(R.id.remote_video_view);
     localRenderLayout = (PercentFrameLayout) findViewById(R.id.local_video_layout);
     remoteRenderLayout = (PercentFrameLayout) findViewById(R.id.remote_video_layout);
     callFragment = new CallFragment();
@@ -191,12 +213,32 @@ public class CallActivity extends Activity
     };
 
     localRender.setOnClickListener(listener);
-    remoteRender.setOnClickListener(listener);
+    remoteRenderScreen.setOnClickListener(listener);
+    remoteRenders.add(remoteRenderScreen);
+
+    final Intent intent = getIntent();
 
     // Create video renderers.
     rootEglBase = EglBase.create();
     localRender.init(rootEglBase.getEglBaseContext(), null);
-    remoteRender.init(rootEglBase.getEglBaseContext(), null);
+    String saveRemoteVideoToFile = intent.getStringExtra(EXTRA_SAVE_REMOTE_VIDEO_TO_FILE);
+
+    // When saveRemoveToFile is set we save the video from the remote to a file.
+    if (saveRemoteVideoToFile != null) {
+      int videoOutWidth = intent.getIntExtra(EXTRA_SAVE_REMOTE_VIDEO_TO_FILE_WIDTH, 0);
+      int videoOutHeight = intent.getIntExtra(EXTRA_SAVE_REMOTE_VIDEO_TO_FILE_HEIGHT, 0);
+      try {
+        videoFileRenderer = new GlVideoFileRenderer(
+            saveRemoteVideoToFile, videoOutWidth, videoOutHeight,
+            rootEglBase.getEglBaseContext());
+        remoteRenders.add(videoFileRenderer);
+      }
+      catch (IOException e) {
+        throw new RuntimeException("Failed to open video file for output: " + saveRemoteVideoToFile, e);
+      }
+    }
+    remoteRenderScreen.init(rootEglBase.getEglBaseContext(), null);
+
     localRender.setZOrderMediaOverlay(true);
     updateVideoView();
 
@@ -211,7 +253,6 @@ public class CallActivity extends Activity
     }
 
     // Get Intent parameters.
-    final Intent intent = getIntent();
     Uri roomUri = intent.getData();
     if (roomUri == null) {
       logAndToast(getString(R.string.missing_url));
@@ -221,6 +262,7 @@ public class CallActivity extends Activity
       return;
     }
     String roomId = intent.getStringExtra(EXTRA_ROOMID);
+    Log.d(TAG, "Room ID: " + roomId);
     if (roomId == null || roomId.length() == 0) {
       logAndToast(getString(R.string.missing_url));
       Log.e(TAG, "Incorrect room ID in intent!");
@@ -255,9 +297,13 @@ public class CallActivity extends Activity
         intent.getBooleanExtra(EXTRA_DISABLE_BUILT_IN_AEC, false),
         intent.getBooleanExtra(EXTRA_DISABLE_BUILT_IN_AGC, false),
         intent.getBooleanExtra(EXTRA_DISABLE_BUILT_IN_NS, false),
-        intent.getBooleanExtra(EXTRA_ENABLE_LEVEL_CONTROL, false));
-    commandLineRun = intent.getBooleanExtra(EXTRA_CMDLINE, false);
-    runTimeMs = intent.getIntExtra(EXTRA_RUNTIME, 0);
+        intent.getBooleanExtra(EXTRA_ENABLE_LEVEL_CONTROL, false),
+        intent.getStringExtra(EXTRA_VIDEO_FILE_AS_CAMERA),
+        intent.getIntExtra(EXTRA_VIDEO_FILE_AS_CAMERA_WIDTH, 0),
+        intent.getIntExtra(EXTRA_VIDEO_FILE_AS_CAMERA_HEIGHT, 0));
+   runTimeMs = intent.getIntExtra(EXTRA_RUNTIME, 0);
+
+    Log.d(TAG, "VIDEO_FILE: '" + intent.getStringExtra(EXTRA_VIDEO_FILE_AS_CAMERA) + "'");
 
     // Create connection client. Use DirectRTCClient if room name is an IP otherwise use the
     // standard WebSocketRTCClient.
@@ -393,8 +439,8 @@ public class CallActivity extends Activity
 
   private void updateVideoView() {
     remoteRenderLayout.setPosition(REMOTE_X, REMOTE_Y, REMOTE_WIDTH, REMOTE_HEIGHT);
-    remoteRender.setScalingType(scalingType);
-    remoteRender.setMirror(false);
+    remoteRenderScreen.setScalingType(scalingType);
+    remoteRenderScreen.setMirror(false);
 
     if (iceConnected) {
       localRenderLayout.setPosition(
@@ -408,7 +454,7 @@ public class CallActivity extends Activity
     localRender.setMirror(true);
 
     localRender.requestLayout();
-    remoteRender.requestLayout();
+    remoteRenderScreen.requestLayout();
   }
 
   private void startCall() {
@@ -474,9 +520,13 @@ public class CallActivity extends Activity
       localRender.release();
       localRender = null;
     }
-    if (remoteRender != null) {
-      remoteRender.release();
-      remoteRender = null;
+    if (videoFileRenderer != null) {
+      videoFileRenderer.release();
+      videoFileRenderer = null;
+    }
+    if (remoteRenderScreen != null) {
+      remoteRenderScreen.release();
+      remoteRenderScreen = null;
     }
     if (audioManager != null) {
       audioManager.close();
@@ -540,7 +590,7 @@ public class CallActivity extends Activity
     signalingParameters = params;
     logAndToast("Creating peer connection, delay=" + delta + "ms");
     peerConnectionClient.createPeerConnection(rootEglBase.getEglBaseContext(),
-        localRender, remoteRender, signalingParameters);
+        localRender, remoteRenders, signalingParameters);
 
     if (signalingParameters.initiator) {
       logAndToast("Creating OFFER...");