Support for Signal calls.

Merge in RedPhone

// FREEBIE

jni/redphone/WebRtcJitterBuffer.h

@@ -0,0 +1,35 @@
+#ifndef __WEBRTC_JITTER_BUFFER_H__
+#define __WEBRTC_JITTER_BUFFER_H__
+
+#include "AudioCodec.h"
+#include "WebRtcCodec.h"
+#include "RtpPacket.h"
+
+#include <android/log.h>
+#include <pthread.h>
+#include <unistd.h>
+
+#include <modules/audio_coding/neteq/interface/neteq.h>
+#include <modules/interface/module_common_types.h>
+
+class WebRtcJitterBuffer {
+
+private:
+  webrtc::NetEq *neteq;
+  WebRtcCodec webRtcCodec;
+
+public:
+  WebRtcJitterBuffer(AudioCodec &codec);
+  ~WebRtcJitterBuffer();
+  int init();
+
+  void addAudio(RtpPacket *packet, uint32_t tick);
+  int getAudio(short *rawData, int maxRawData);
+  void stop();
+  void collectStats();
+  static void* collectStats(void *context);
+};
+
+
+
+#endif