Cast: Provide more meaningful stats.

media/cast/logging/proto/raw_events.proto

 // Copyright 2014 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.
 
 // Protocol for audio messages.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
@@ skipping 33 matching lines @@
   VIDEO_PACKET_SENT_TO_PACER = 20;
   AUDIO_PACKET_SENT_TO_NETWORK = 21;
   VIDEO_PACKET_SENT_TO_NETWORK = 22;
   AUDIO_PACKET_RETRANSMITTED = 23;
   VIDEO_PACKET_RETRANSMITTED = 24;
   // Receiver-side packet events.
   AUDIO_PACKET_RECEIVED = 25;
   VIDEO_PACKET_RECEIVED = 26;
   DUPLICATE_AUDIO_PACKET_RECEIVED = 27;
   DUPLICATE_VIDEO_PACKET_RECEIVED = 28;
+  // Sender-side generic event.
+  AUDIO_RTCP_PACKET_RECEIVED = 29;
+  VIDEO_RTCP_PACKET_RECEIVED = 30;
 }
 
 // Each log will contain one |LogMetadata|.
 message LogMetadata {
   // |true| if the events are related to audio. |false| if they are related to
   // video.
   optional bool is_audio = 1;
 
   // Used as a reference for all event entries.
   // i.e. the original RTP timestamp for each event will be
@@ skipping 27 matching lines @@
   optional int32 packet_id = 1;
   repeated EventType event_type = 2 [packed = true];
   repeated int64 event_timestamp_ms = 3 [packed = true];
 }
 
 message AggregatedPacketEvent {
   optional uint32 relative_rtp_timestamp = 1;
   repeated BasePacketEvent base_packet_event = 2;
 };