1 files changed, 53 insertions, 0 deletions
diff --git a/chromium/media/cast/rtp_receiver/receiver_stats.h b/chromium/media/cast/rtp_receiver/receiver_stats.h
new file mode 100644
index 00000000000..610f515c0e2
--- /dev/null
+++ b/chromium/media/cast/rtp_receiver/receiver_stats.h
@@ -0,0 +1,53 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
+#define MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_
+
+#include "base/time/default_tick_clock.h"
+#include "base/time/tick_clock.h"
+#include "base/time/time.h"
+#include "media/cast/rtp_common/rtp_defines.h"
+
+namespace media {
+namespace cast {
+
+class ReceiverStats {
+ public:
+  explicit ReceiverStats(uint32 ssrc);
+  ~ReceiverStats();
+  void GetStatistics(uint8* fraction_lost,
+                     uint32* cumulative_lost,  // 24 bits valid.
+                     uint32* extended_high_sequence_number,
+                     uint32* jitter);
+  void UpdateStatistics(const RtpCastHeader& header);
+
+  void set_clock(base::TickClock* clock) {
+    clock_ = clock;
+  }
+
+ private:
+  const uint32 ssrc_;
+
+  // Global metrics.
+  uint16 min_sequence_number_;
+  uint16 max_sequence_number_;
+  uint32 total_number_packets_;
+  uint16 sequence_number_cycles_;
+  base::TimeDelta last_received_timestamp_;
+  base::TimeTicks last_received_packet_time_;
+  base::TimeDelta jitter_;
+
+  // Intermediate metrics - between RTCP reports.
+  int interval_min_sequence_number_;
+  int interval_number_packets_;
+  int interval_wrap_count_;
+  base::DefaultTickClock default_tick_clock_;
+  base::TickClock* clock_;
+};
+
+}  // namespace cast
+}  // namespace media
+
+#endif  // MEDIA_CAST_RTP_RECEIVER_RECEIVER_STATS_H_