Support for Signal calls.

Merge in RedPhone

// FREEBIE

jni/webrtc/modules/audio_coding/main/test/SpatialAudio.h

@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2011 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.
+ */
+
+#ifndef WEBRTC_MODULES_AUDIO_CODING_MAIN_TEST_SPATIALAUDIO_H_
+#define WEBRTC_MODULES_AUDIO_CODING_MAIN_TEST_SPATIALAUDIO_H_
+
+#include "webrtc/modules/audio_coding/main/interface/audio_coding_module.h"
+#include "webrtc/modules/audio_coding/main/test/ACMTest.h"
+#include "webrtc/modules/audio_coding/main/test/Channel.h"
+#include "webrtc/modules/audio_coding/main/test/PCMFile.h"
+#include "webrtc/modules/audio_coding/main/test/utility.h"
+#include "webrtc/system_wrappers/interface/scoped_ptr.h"
+
+#define MAX_FILE_NAME_LENGTH_BYTE 500
+
+namespace webrtc {
+
+class SpatialAudio : public ACMTest {
+ public:
+  SpatialAudio(int testMode);
+  ~SpatialAudio();
+
+  void Perform();
+ private:
+  int16_t Setup();
+  void EncodeDecode(double leftPanning, double rightPanning);
+  void EncodeDecode();
+
+  scoped_ptr<AudioCodingModule> _acmLeft;
+  scoped_ptr<AudioCodingModule> _acmRight;
+  scoped_ptr<AudioCodingModule> _acmReceiver;
+  Channel* _channel;
+  PCMFile _inFile;
+  PCMFile _outFile;
+  int _testMode;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_TEST_SPATIALAUDIO_H_