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

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

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 23 matching lines @@
 import org.webrtc.PeerConnection.IceConnectionState;
 import org.webrtc.PeerConnectionFactory;
 import org.webrtc.RtpParameters;
 import org.webrtc.RtpSender;
 import org.webrtc.SdpObserver;
 import org.webrtc.SessionDescription;
 import org.webrtc.StatsObserver;
 import org.webrtc.StatsReport;
 import org.webrtc.VideoCapturer;
 import org.webrtc.VideoRenderer;
+import org.webrtc.VideoCapturerAndroid;
+import org.webrtc.CameraVideoCapturer;
+import org.webrtc.FileVideoCapturer;
 import org.webrtc.VideoSource;
 import org.webrtc.VideoTrack;
 import org.webrtc.voiceengine.WebRtcAudioManager;
 import org.webrtc.voiceengine.WebRtcAudioUtils;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Collections;
 import java.util.EnumSet;
 import java.util.LinkedList;
+import java.util.List;
 import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 /**
  * Peer connection client implementation.
  *
@@ skipping 37 matching lines @@
   PeerConnectionFactory.Options options = null;
   private AudioSource audioSource;
   private VideoSource videoSource;
   private boolean videoCallEnabled;
   private boolean preferIsac;
   private String preferredVideoCodec;
   private boolean videoCapturerStopped;
   private boolean isError;
   private Timer statsTimer;
   private VideoRenderer.Callbacks localRender;
-  private VideoRenderer.Callbacks remoteRender;
+  private List<VideoRenderer.Callbacks> remoteRenders;
   private SignalingParameters signalingParameters;
   private MediaConstraints pcConstraints;
   private int videoWidth;
   private int videoHeight;
   private int videoFps;
   private MediaConstraints audioConstraints;
   private ParcelFileDescriptor aecDumpFileDescriptor;
   private MediaConstraints sdpMediaConstraints;
   private PeerConnectionParameters peerConnectionParameters;
   // Queued remote ICE candidates are consumed only after both local and
   // remote descriptions are set. Similarly local ICE candidates are sent to
   // remote peer after both local and remote description are set.
   private LinkedList<IceCandidate> queuedRemoteCandidates;
   private PeerConnectionEvents events;
   private boolean isInitiator;
   private SessionDescription localSdp; // either offer or answer SDP
   private MediaStream mediaStream;
   private int numberOfCameras;
-  private CameraVideoCapturer videoCapturer;
+  private VideoCapturer videoCapturer;
   // enableVideo is set to true if video should be rendered and sent.
   private boolean renderVideo;
   private VideoTrack localVideoTrack;
   private VideoTrack remoteVideoTrack;
   private RtpSender localVideoSender;
   // enableAudio is set to true if audio should be sent.
   private boolean enableAudio;
   private AudioTrack localAudioTrack;
 
   /**
    * Peer connection parameters.
    */
   public static class PeerConnectionParameters {
     public final boolean videoCallEnabled;
     public final boolean loopback;
     public final boolean tracing;
-    public final boolean useCamera2;
     public final int videoWidth;
     public final int videoHeight;
     public final int videoFps;
     public final int videoMaxBitrate;
     public final String videoCodec;
     public final boolean videoCodecHwAcceleration;
-    public final boolean captureToTexture;
     public final int audioStartBitrate;
     public final String audioCodec;
     public final boolean noAudioProcessing;
     public final boolean aecDump;
     public final boolean useOpenSLES;
     public final boolean disableBuiltInAEC;
     public final boolean disableBuiltInAGC;
     public final boolean disableBuiltInNS;
     public final boolean enableLevelControl;
 
     public PeerConnectionParameters(boolean videoCallEnabled, boolean loopback, boolean tracing,
-        boolean useCamera2, int videoWidth, int videoHeight, int videoFps, int videoMaxBitrate,
-        String videoCodec, boolean videoCodecHwAcceleration, boolean captureToTexture,
-        int audioStartBitrate, String audioCodec, boolean noAudioProcessing, boolean aecDump,
-        boolean useOpenSLES, boolean disableBuiltInAEC, boolean disableBuiltInAGC,
-        boolean disableBuiltInNS, boolean enableLevelControl) {
+        int videoWidth, int videoHeight, int videoFps, int videoMaxBitrate, String videoCodec,
+        boolean videoCodecHwAcceleration, int audioStartBitrate, String audioCodec,
+        boolean noAudioProcessing, boolean aecDump, boolean useOpenSLES, boolean disableBuiltInAEC,
+        boolean disableBuiltInAGC, boolean disableBuiltInNS, boolean enableLevelControl) {
       this.videoCallEnabled = videoCallEnabled;
-      this.useCamera2 = useCamera2;
       this.loopback = loopback;
       this.tracing = tracing;
       this.videoWidth = videoWidth;
       this.videoHeight = videoHeight;
       this.videoFps = videoFps;
       this.videoMaxBitrate = videoMaxBitrate;
       this.videoCodec = videoCodec;
       this.videoCodecHwAcceleration = videoCodecHwAcceleration;
-      this.captureToTexture = captureToTexture;
       this.audioStartBitrate = audioStartBitrate;
       this.audioCodec = audioCodec;
       this.noAudioProcessing = noAudioProcessing;
       this.aecDump = aecDump;
       this.useOpenSLES = useOpenSLES;
       this.disableBuiltInAEC = disableBuiltInAEC;
       this.disableBuiltInAGC = disableBuiltInAGC;
       this.disableBuiltInNS = disableBuiltInNS;
       this.enableLevelControl = enableLevelControl;
     }
@@ skipping 88 matching lines @@
     executor.execute(new Runnable() {
       @Override
       public void run() {
         createPeerConnectionFactoryInternal(context);
       }
     });
   }
 
   public void createPeerConnection(final EglBase.Context renderEGLContext,
       final VideoRenderer.Callbacks localRender, final VideoRenderer.Callbacks remoteRender,
-      final SignalingParameters signalingParameters) {
+      final VideoCapturer videoCapturer, final SignalingParameters signalingParameters) {
+    createPeerConnection(renderEGLContext, localRender, Collections.singletonList(remoteRender),
+        videoCapturer, signalingParameters);
+  }
+  public void createPeerConnection(final EglBase.Context renderEGLContext,
+      final VideoRenderer.Callbacks localRender, final List<VideoRenderer.Callbacks> remoteRenders,
+      final VideoCapturer videoCapturer, final SignalingParameters signalingParameters) {
     if (peerConnectionParameters == null) {
       Log.e(TAG, "Creating peer connection without initializing factory.");
       return;
     }
     this.localRender = localRender;
-    this.remoteRender = remoteRender;
+    this.remoteRenders = remoteRenders;
+    this.videoCapturer = videoCapturer;
     this.signalingParameters = signalingParameters;
     executor.execute(new Runnable() {
       @Override
       public void run() {
         try {
           createMediaConstraintsInternal();
           createPeerConnectionInternal(renderEGLContext);
         } catch (Exception e) {
           reportError("Failed to create peer connection: " + e.getMessage());
           throw e;
@@ skipping 155 matching lines @@
         new MediaConstraints.KeyValuePair("OfferToReceiveAudio", "true"));
     if (videoCallEnabled || peerConnectionParameters.loopback) {
       sdpMediaConstraints.mandatory.add(
           new MediaConstraints.KeyValuePair("OfferToReceiveVideo", "true"));
     } else {
       sdpMediaConstraints.mandatory.add(
           new MediaConstraints.KeyValuePair("OfferToReceiveVideo", "false"));
     }
   }
 
-  private void createCapturer(CameraEnumerator enumerator) {
-    final String[] deviceNames = enumerator.getDeviceNames();
-
-    // First, try to find front facing camera
-    Logging.d(TAG, "Looking for front facing cameras.");
-    for (String deviceName : deviceNames) {
-      if (enumerator.isFrontFacing(deviceName)) {
-        Logging.d(TAG, "Creating front facing camera capturer.");
-        videoCapturer = enumerator.createCapturer(deviceName, null);
-
-        if (videoCapturer != null) {
-          return;
-        }
-      }
-    }
-
-    // Front facing camera not found, try something else
-    Logging.d(TAG, "Looking for other cameras.");
-    for (String deviceName : deviceNames) {
-      if (!enumerator.isFrontFacing(deviceName)) {
-        Logging.d(TAG, "Creating other camera capturer.");
-        videoCapturer = enumerator.createCapturer(deviceName, null);
-
-        if (videoCapturer != null) {
-          return;
-        }
-      }
-    }
-  }
-
   private void createPeerConnectionInternal(EglBase.Context renderEGLContext) {
     if (factory == null || isError) {
       Log.e(TAG, "Peerconnection factory is not created");
       return;
     }
     Log.d(TAG, "Create peer connection.");
 
     Log.d(TAG, "PCConstraints: " + pcConstraints.toString());
     queuedRemoteCandidates = new LinkedList<IceCandidate>();
 
@@ skipping 16 matching lines @@
     peerConnection = factory.createPeerConnection(rtcConfig, pcConstraints, pcObserver);
     isInitiator = false;
 
     // Set default WebRTC tracing and INFO libjingle logging.
     // NOTE: this _must_ happen while |factory| is alive!
     Logging.enableTracing("logcat:", EnumSet.of(Logging.TraceLevel.TRACE_DEFAULT));
     Logging.enableLogToDebugOutput(Logging.Severity.LS_INFO);
 
     mediaStream = factory.createLocalMediaStream("ARDAMS");
     if (videoCallEnabled) {
-      if (peerConnectionParameters.useCamera2) {
-        if (!peerConnectionParameters.captureToTexture) {
-          reportError(context.getString(R.string.camera2_texture_only_error));
-          return;
-        }
-
-        Logging.d(TAG, "Creating capturer using camera2 API.");
-        createCapturer(new Camera2Enumerator(context));
-      } else {
-        Logging.d(TAG, "Creating capturer using camera1 API.");
-        createCapturer(new Camera1Enumerator(peerConnectionParameters.captureToTexture));
-      }
-
-      if (videoCapturer == null) {
-        reportError("Failed to open camera");
-        return;
-      }
       mediaStream.addTrack(createVideoTrack(videoCapturer));
     }
 
     mediaStream.addTrack(createAudioTrack());
     peerConnection.addStream(mediaStream);
     if (videoCallEnabled) {
       findVideoSender();
     }
 
     if (peerConnectionParameters.aecDump) {
@@ skipping 432 matching lines @@
     if (queuedRemoteCandidates != null) {
       Log.d(TAG, "Add " + queuedRemoteCandidates.size() + " remote candidates");
       for (IceCandidate candidate : queuedRemoteCandidates) {
         peerConnection.addIceCandidate(candidate);
       }
       queuedRemoteCandidates = null;
     }
   }
 
   private void switchCameraInternal() {
-    if (!videoCallEnabled || numberOfCameras < 2 || isError || videoCapturer == null) {
-      Log.e(TAG, "Failed to switch camera. Video: " + videoCallEnabled + ". Error : " + isError
-              + ". Number of cameras: " + numberOfCameras);
-      return; // No video is sent or only one camera is available or error happened.
+    if (videoCapturer instanceof CameraVideoCapturer) {
+      if (!videoCallEnabled || numberOfCameras < 2 || isError || videoCapturer == null) {
+        Log.e(TAG, "Failed to switch camera. Video: " + videoCallEnabled + ". Error : " + isError
+                + ". Number of cameras: " + numberOfCameras);
+        return; // No video is sent or only one camera is available or error happened.
+      }
+      Log.d(TAG, "Switch camera");
+      CameraVideoCapturer cameraVideoCapturer = (CameraVideoCapturer) videoCapturer;
+      cameraVideoCapturer.switchCamera(null);
+    } else {
+      Log.d(TAG, "Will not switch camera, video caputurer is not a camera");
     }
-    Log.d(TAG, "Switch camera");
-    videoCapturer.switchCamera(null);
   }
 
   public void switchCamera() {
     executor.execute(new Runnable() {
       @Override
       public void run() {
         switchCameraInternal();
       }
     });
   }
@@ skipping 79 matching lines @@
           if (peerConnection == null || isError) {
             return;
           }
           if (stream.audioTracks.size() > 1 || stream.videoTracks.size() > 1) {
             reportError("Weird-looking stream: " + stream);
             return;
           }
           if (stream.videoTracks.size() == 1) {
             remoteVideoTrack = stream.videoTracks.get(0);
             remoteVideoTrack.setEnabled(renderVideo);
-            remoteVideoTrack.addRenderer(new VideoRenderer(remoteRender));
+            for (VideoRenderer.Callbacks remoteRender : remoteRenders) {
+              remoteVideoTrack.addRenderer(new VideoRenderer(remoteRender));
+            }
           }
         }
       });
     }
 
     @Override
     public void onRemoveStream(final MediaStream stream) {
       executor.execute(new Runnable() {
         @Override
         public void run() {
@@ skipping 87 matching lines @@
     public void onCreateFailure(final String error) {
       reportError("createSDP error: " + error);
     }
 
     @Override
     public void onSetFailure(final String error) {
       reportError("setSDP error: " + error);
     }
   }
 }