Cast: IPC from browser to renderer to send packet events from transport to cast library.

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 20 matching lines @@
   AUDIO_FRAME_DECODED = 12;
   // Video sender.
   VIDEO_FRAME_CAPTURED = 13;
   VIEDO_FRAME_RECEIVED = 14;
   VIDEO_FRAME_SENT_TO_ENCODER = 15;
   VIDEO_FRAME_ENCODED = 16;
   // Video receiver.
   VIDEO_FRAME_DECODED = 17;
   VIDEO_RENDER_DELAY = 18;
   // Send-side packet events.
-  PACKET_SENT_TO_PACER = 19;
-  PACKET_SENT_TO_NETWORK = 20;
-  PACKET_RETRANSMITTED = 21;
+  AUDIO_PACKET_SENT_TO_PACER = 19;
+  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 = 22;
-  VIDEO_PACKET_RECEIVED = 23;
-  DUPLICATE_AUDIO_PACKET_RECEIVED = 24;
-  DUPLICATE_VIDEO_PACKET_RECEIVED = 25;
+  AUDIO_PACKET_RECEIVED = 25;
+  VIDEO_PACKET_RECEIVED = 26;
+  DUPLICATE_AUDIO_PACKET_RECEIVED = 27;
+  DUPLICATE_VIDEO_PACKET_RECEIVED = 28;
 }
 
 message AggregatedFrameEvent {
   optional uint32 rtp_timestamp = 1;
 
   repeated EventType event_type = 2 [packed = true];
   repeated int64 event_timestamp_micros = 3 [packed = true];
 
   // Size is set only for kAudioFrameEncoded and kVideoFrameEncoded.
   optional int32 encoded_frame_size = 4;
@@ skipping 11 matching lines @@
 message AggregatedPacketEvent {
   optional uint32 rtp_timestamp = 1;
   repeated BasePacketEvent base_packet_event = 2;
 };
 
 message AggregatedGenericEvent {
   optional EventType event_type = 1;
   repeated int64 event_timestamp_micros = 2 [packed = true];
   repeated int32 value = 3 [packed = true];
 };