Breaking out receive-stats, rtp-payload-registry and rtp-receiver from the

rtp_rtcp implementation.

This refactoring significantly reduces the receive-side RTP parser and receiver
complexity, and makes it possible to implement RTX correctly by having two
instances of receive-statistics.

With this change the dead-or-alive and packet timeout APIs are removed.

TEST=trybots, vie_auto_test, voe_auto_test
BUG=1811
R=mflodman@webrtc.org, pbos@webrtc.org, xians@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1745004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4301 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/rtp_rtcp/interface/receive_statistics.h

@@ -0,0 +1,54 @@
+/*
+ *  Copyright (c) 2013 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_RTP_RTCP_INTERFACE_RECEIVE_STATISTICS_H_
+#define WEBRTC_MODULES_RTP_RTCP_INTERFACE_RECEIVE_STATISTICS_H_
+
+#include "webrtc/modules/interface/module.h"
+#include "webrtc/modules/interface/module_common_types.h"
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+class Clock;
+
+class ReceiveStatistics : public Module {
+ public:
+  struct RtpReceiveStatistics {
+    uint8_t fraction_lost;
+    uint32_t cumulative_lost;
+    uint32_t extended_max_sequence_number;
+    uint32_t jitter;
+    uint32_t max_jitter;
+  };
+
+  virtual ~ReceiveStatistics() {}
+
+  static ReceiveStatistics* Create(Clock* clock);
+
+  virtual void IncomingPacket(const RTPHeader& rtp_header, size_t bytes,
+                              bool retransmitted, bool in_order) = 0;
+
+  virtual bool Statistics(RtpReceiveStatistics* statistics, bool reset) = 0;
+
+  virtual bool Statistics(RtpReceiveStatistics* statistics, int32_t* missing,
+                          bool reset) = 0;
+
+  virtual void GetDataCounters(uint32_t* bytes_received,
+                               uint32_t* packets_received) const = 0;
+
+  virtual uint32_t BitrateReceived() = 0;
+
+  virtual void ResetStatistics() = 0;
+
+  virtual void ResetDataCounters() = 0;
+};
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_RTP_RTCP_INTERFACE_RECEIVE_STATISTICS_H_