Cast: Log whether the video frame is a key frame in kVideoFrameEncoded

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 59 matching lines @@
   // Number of AggregatedPacketEvent's.
   optional int32 num_packet_events = 4;
 }
 
 message AggregatedFrameEvent {
   optional uint32 relative_rtp_timestamp = 1;
 
   repeated EventType event_type = 2 [packed = true];
   repeated int64 event_timestamp_ms = 3 [packed = true];
 
-  // Size is set only for kAudioFrameEncoded and kVideoFrameEncoded.
+  // Only set if there is a kAudioFrameEncoded and kVideoFrameEncoded event.
   optional int32 encoded_frame_size = 4;
 
-  // Delay is only set for kAudioPlayoutDelay and kVideoRenderDelay.
+  // Only set if there is a kAudioPlayoutDelay or kVideoRenderDelay event.
   optional int32 delay_millis = 5;
+
+  // Only set if there is a kVideoFrameEncoded event.
+  optional bool key_frame = 6;
 };
 
 message BasePacketEvent {
   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;
 };