Android AppRTCDemo: Add slider for changing camera capture quality during call

webrtc/examples/androidapp/src/org/appspot/apprtc/ConnectActivity.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 39 matching lines @@
   private ImageButton addRoomButton;
   private ImageButton removeRoomButton;
   private ImageButton connectButton;
   private ImageButton connectLoopbackButton;
   private EditText roomEditText;
   private ListView roomListView;
   private SharedPreferences sharedPref;
   private String keyprefVideoCallEnabled;
   private String keyprefResolution;
   private String keyprefFps;
+  private String keyprefCaptureQualitySlider;
   private String keyprefVideoBitrateType;
   private String keyprefVideoBitrateValue;
   private String keyprefVideoCodec;
   private String keyprefAudioBitrateType;
   private String keyprefAudioBitrateValue;
   private String keyprefAudioCodec;
   private String keyprefHwCodecAcceleration;
   private String keyprefNoAudioProcessingPipeline;
   private String keyprefCpuUsageDetection;
   private String keyprefDisplayHud;
   private String keyprefRoomServerUrl;
   private String keyprefRoom;
   private String keyprefRoomList;
   private ArrayList<String> roomList;
   private ArrayAdapter<String> adapter;
 
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
 
     // Get setting keys.
     PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
     sharedPref = PreferenceManager.getDefaultSharedPreferences(this);
     keyprefVideoCallEnabled = getString(R.string.pref_videocall_key);
     keyprefResolution = getString(R.string.pref_resolution_key);
     keyprefFps = getString(R.string.pref_fps_key);
+    keyprefCaptureQualitySlider = getString(R.string.pref_capturequalityslider_key);
     keyprefVideoBitrateType = getString(R.string.pref_startvideobitrate_key);
     keyprefVideoBitrateValue = getString(R.string.pref_startvideobitratevalue_key);
     keyprefVideoCodec = getString(R.string.pref_videocodec_key);
     keyprefHwCodecAcceleration = getString(R.string.pref_hwcodec_key);
     keyprefAudioBitrateType = getString(R.string.pref_startaudiobitrate_key);
     keyprefAudioBitrateValue = getString(R.string.pref_startaudiobitratevalue_key);
     keyprefAudioCodec = getString(R.string.pref_audiocodec_key);
     keyprefNoAudioProcessingPipeline = getString(R.string.pref_noaudioprocessing_key);
     keyprefCpuUsageDetection = getString(R.string.pref_cpu_usage_detection_key);
     keyprefDisplayHud = getString(R.string.pref_displayhud_key);
@@ skipping 183 matching lines @@
         getString(R.string.pref_fps_default));
     String[] fpsValues = fps.split("[ x]+");
     if (fpsValues.length == 2) {
       try {
         cameraFps = Integer.parseInt(fpsValues[0]);
       } catch (NumberFormatException e) {
         Log.e(TAG, "Wrong camera fps setting: " + fps);
       }
     }
 
+    // Check capture quality slider flag.
+    boolean captureQualitySlider = sharedPref.getBoolean(keyprefCaptureQualitySlider,
+        Boolean.valueOf(getString(R.string.pref_capturequalityslider_default)));
+
     // Get video and audio start bitrate.
     int videoStartBitrate = 0;
     String bitrateTypeDefault = getString(
         R.string.pref_startvideobitrate_default);
     String bitrateType = sharedPref.getString(
         keyprefVideoBitrateType, bitrateTypeDefault);
     if (!bitrateType.equals(bitrateTypeDefault)) {
       String bitrateValue = sharedPref.getString(keyprefVideoBitrateValue,
           getString(R.string.pref_startvideobitratevalue_default));
       videoStartBitrate = Integer.parseInt(bitrateValue);
@@ skipping 23 matching lines @@
     if (validateUrl(roomUrl)) {
       Uri uri = Uri.parse(roomUrl);
       Intent intent = new Intent(this, CallActivity.class);
       intent.setData(uri);
       intent.putExtra(CallActivity.EXTRA_ROOMID, roomId);
       intent.putExtra(CallActivity.EXTRA_LOOPBACK, loopback);
       intent.putExtra(CallActivity.EXTRA_VIDEO_CALL, videoCallEnabled);
       intent.putExtra(CallActivity.EXTRA_VIDEO_WIDTH, videoWidth);
       intent.putExtra(CallActivity.EXTRA_VIDEO_HEIGHT, videoHeight);
       intent.putExtra(CallActivity.EXTRA_VIDEO_FPS, cameraFps);
+      intent.putExtra(CallActivity.EXTRA_VIDEO_CAPTUREQUALITYSLIDER_ENABLED,
+          captureQualitySlider);
       intent.putExtra(CallActivity.EXTRA_VIDEO_BITRATE, videoStartBitrate);
       intent.putExtra(CallActivity.EXTRA_VIDEOCODEC, videoCodec);
       intent.putExtra(CallActivity.EXTRA_HWCODEC_ENABLED, hwCodec);
       intent.putExtra(CallActivity.EXTRA_NOAUDIOPROCESSING_ENABLED,
           noAudioProcessing);
       intent.putExtra(CallActivity.EXTRA_AUDIO_BITRATE, audioStartBitrate);
       intent.putExtra(CallActivity.EXTRA_AUDIOCODEC, audioCodec);
       intent.putExtra(CallActivity.EXTRA_CPUOVERUSE_DETECTION,
           cpuOveruseDetection);
       intent.putExtra(CallActivity.EXTRA_DISPLAY_HUD, displayHud);
@@ skipping 52 matching lines @@
       }
     }
     if (position != AdapterView.INVALID_POSITION) {
       return adapter.getItem(position);
     } else {
       return null;
     }
   }
 
 }