Relanding https://webrtc-codereview.appspot.com/56589004

talk/examples/android/src/org/appspot/apprtc/PeerConnectionClient.java

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 61 matching lines @@
   private static final String TAG = "PCRTCClient";
   private static final String FIELD_TRIAL_VP9 = "WebRTC-SupportVP9/Enabled/";
   private static final String VIDEO_CODEC_VP8 = "VP8";
   private static final String VIDEO_CODEC_VP9 = "VP9";
   private static final String VIDEO_CODEC_H264 = "H264";
   private static final String AUDIO_CODEC_OPUS = "opus";
   private static final String AUDIO_CODEC_ISAC = "ISAC";
   private static final String VIDEO_CODEC_PARAM_START_BITRATE =
       "x-google-start-bitrate";
   private static final String AUDIO_CODEC_PARAM_BITRATE = "maxaveragebitrate";
+  private static final String AUDIO_ECHO_CANCELLATION_CONSTRAINT = "googEchoCancellation";
+  private static final String AUDIO_AUTO_GAIN_CONTROL_CONSTRAINT= "googAutoGainControl";
+  private static final String AUDIO_HIGH_PASS_FILTER_CONSTRAINT  = "googHighpassFilter";
+  private static final String AUDIO_NOISE_SUPPRESSION_CONSTRAINT = "googNoiseSuppression";
   private static final String MAX_VIDEO_WIDTH_CONSTRAINT = "maxWidth";
   private static final String MIN_VIDEO_WIDTH_CONSTRAINT = "minWidth";
   private static final String MAX_VIDEO_HEIGHT_CONSTRAINT = "maxHeight";
   private static final String MIN_VIDEO_HEIGHT_CONSTRAINT = "minHeight";
   private static final String MAX_VIDEO_FPS_CONSTRAINT = "maxFrameRate";
   private static final String MIN_VIDEO_FPS_CONSTRAINT = "minFrameRate";
   private static final String DTLS_SRTP_KEY_AGREEMENT_CONSTRAINT = "DtlsSrtpKeyAgreement";
   private static final int HD_VIDEO_WIDTH = 1280;
   private static final int HD_VIDEO_HEIGHT = 720;
   private static final int MAX_VIDEO_WIDTH = 1280;
@@ skipping 45 matching lines @@
     public final boolean videoCallEnabled;
     public final boolean loopback;
     public final int videoWidth;
     public final int videoHeight;
     public final int videoFps;
     public final int videoStartBitrate;
     public final String videoCodec;
     public final boolean videoCodecHwAcceleration;
     public final int audioStartBitrate;
     public final String audioCodec;
+    public final boolean noAudioProcessing;
     public final boolean cpuOveruseDetection;
 
     public PeerConnectionParameters(
         boolean videoCallEnabled, boolean loopback,
         int videoWidth, int videoHeight, int videoFps, int videoStartBitrate,
         String videoCodec, boolean videoCodecHwAcceleration,
         int audioStartBitrate, String audioCodec,
-        boolean cpuOveruseDetection) {
+        boolean noAudioProcessing, boolean cpuOveruseDetection) {
       this.videoCallEnabled = videoCallEnabled;
       this.loopback = loopback;
       this.videoWidth = videoWidth;
       this.videoHeight = videoHeight;
       this.videoFps = videoFps;
       this.videoStartBitrate = videoStartBitrate;
       this.videoCodec = videoCodec;
       this.videoCodecHwAcceleration = videoCodecHwAcceleration;
       this.audioStartBitrate = audioStartBitrate;
       this.audioCodec = audioCodec;
+      this.noAudioProcessing = noAudioProcessing;
       this.cpuOveruseDetection = cpuOveruseDetection;
     }
   }
 
   /**
    * Peer connection events.
    */
   public static interface PeerConnectionEvents {
     /**
      * Callback fired once local SDP is created and set.
@@ skipping 205 matching lines @@
         videoFps = Math.min(videoFps, MAX_VIDEO_FPS);
         videoConstraints.mandatory.add(new KeyValuePair(
             MIN_VIDEO_FPS_CONSTRAINT, Integer.toString(videoFps)));
         videoConstraints.mandatory.add(new KeyValuePair(
             MAX_VIDEO_FPS_CONSTRAINT, Integer.toString(videoFps)));
       }
     }
 
     // Create audio constraints.
     audioConstraints = new MediaConstraints();
-
+    // added for audio performance measurements
+    if (peerConnectionParameters.noAudioProcessing) {
+      Log.d(TAG, "Disabling audio processing");
+      audioConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
+            AUDIO_ECHO_CANCELLATION_CONSTRAINT, "false"));
+      audioConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
+            AUDIO_AUTO_GAIN_CONTROL_CONSTRAINT, "false"));
+      audioConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
+            AUDIO_HIGH_PASS_FILTER_CONSTRAINT, "false"));
+      audioConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
+           AUDIO_NOISE_SUPPRESSION_CONSTRAINT , "false"));
+    }
     // Create SDP constraints.
     sdpMediaConstraints = new MediaConstraints();
     sdpMediaConstraints.mandatory.add(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"));
@@ skipping 601 matching lines @@
     public void onCreateFailure(final String error) {
       reportError("createSDP error: " + error);
     }
 
     @Override
     public void onSetFailure(final String error) {
       reportError("setSDP error: " + error);
     }
   }
 }