Dont request keyframes if the stream is inactive or if we are currently receiving a keyframe.

webrtc/video/rtp_stream_receiver.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 117 matching lines @@
   // Implements OnReceivedFrameCallback.
   void OnReceivedFrame(
       std::unique_ptr<video_coding::RtpFrameObject> frame) override;
 
   // Implements OnCompleteFrameCallback.
   void OnCompleteFrame(
       std::unique_ptr<video_coding::FrameObject> frame) override;
 
   void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override;
 
+  rtc::Optional<int64_t> LastReceivedPacketMs() const;
+  rtc::Optional<int64_t> LastReceivedKeyframePacketMs() const;
+
  private:
   bool AddReceiveCodec(const VideoCodec& video_codec);
   bool ReceivePacket(const uint8_t* packet,
                      size_t packet_length,
                      const RTPHeader& header,
                      bool in_order);
   // Parses and handles for instance RTX and RED headers.
   // This function assumes that it's being called from only one thread.
   bool ParseAndHandleEncapsulatingHeader(const uint8_t* packet,
                                          size_t packet_length,
@@ skipping 42 matching lines @@
   // TODO(johan): Remove pt_codec_params_ once
   // https://bugs.chromium.org/p/webrtc/issues/detail?id=6883 is resolved.
   // Maps a payload type to a map of out-of-band supplied codec parameters.
   std::map<uint8_t, std::map<std::string, std::string>> pt_codec_params_;
   int16_t last_payload_type_ = -1;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_RTP_STREAM_RECEIVER_H_