Fix bug where transport sequence numbers are allocated for packets without the header extension reg…

webrtc/video/end_to_end_tests.cc

 /*
  *  Copyright (c) 2013 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.
  */
 #include <algorithm>
@@ skipping 2050 matching lines @@
         return false;
       }
       int64_t elapsed_sec = (now - start_runtime_ms_) / 1000;
       return elapsed_sec > metrics::kMinRunTimeInSeconds * 2;
     }
 
     void ModifyVideoConfigs(
         VideoSendStream::Config* send_config,
         std::vector<VideoReceiveStream::Config>* receive_configs,
         VideoEncoderConfig* encoder_config) override {
+      static const int kExtensionId = 8;
+      send_config->rtp.extensions.push_back(RtpExtension(
+          RtpExtension::kTransportSequenceNumberUri, kExtensionId));
+      (*receive_configs)[0].rtp.extensions.push_back(RtpExtension(
+          RtpExtension::kTransportSequenceNumberUri, kExtensionId));
       // NACK
       send_config->rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
       (*receive_configs)[0].renderer = this;
       // FEC
       if (use_red_) {
         send_config->rtp.fec.ulpfec_payload_type = kUlpfecPayloadType;
         send_config->rtp.fec.red_payload_type = kRedPayloadType;
         send_config->encoder_settings.encoder = vp8_encoder_.get();
         send_config->encoder_settings.payload_name = "VP8";
@@ skipping 1555 matching lines @@
    private:
     bool video_observed_;
     bool audio_observed_;
     SequenceNumberUnwrapper unwrapper_;
     std::set<int64_t> received_packet_ids_;
   } test;
 
   RunBaseTest(&test);
 }
 }  // namespace webrtc