Remove the video channel id completely.

webrtc/video/video_send_stream.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.
  */
 
@@ skipping 94 matching lines @@
                                                                       : "off");
   ss << '}';
   return ss.str();
 }
 
 namespace internal {
 VideoSendStream::VideoSendStream(
     int num_cpu_cores,
     ProcessThread* module_process_thread,
     ChannelGroup* channel_group,
-    int channel_id,
     const VideoSendStream::Config& config,
     const VideoEncoderConfig& encoder_config,
     const std::map<uint32_t, RtpState>& suspended_ssrcs)
     : transport_adapter_(config.send_transport),
       encoded_frame_proxy_(config.post_encode_callback),
       config_(config),
       suspended_ssrcs_(suspended_ssrcs),
       module_process_thread_(module_process_thread),
       channel_group_(channel_group),
       use_config_bitrate_(true),
       stats_proxy_(Clock::GetRealTimeClock(), config) {
   LOG(LS_INFO) << "VideoSendStream: " << config_.ToString();
   RTC_DCHECK(!config_.rtp.ssrcs.empty());
 
   // Set up Call-wide sequence numbers, if configured for this send stream.
   TransportFeedbackObserver* transport_feedback_observer = nullptr;
   for (const RtpExtension& extension : config.rtp.extensions) {
     if (extension.name == RtpExtension::kTransportSequenceNumber) {
       transport_feedback_observer =
           channel_group_->GetTransportFeedbackObserver();
       break;
     }
   }
 
   const std::vector<uint32_t>& ssrcs = config.rtp.ssrcs;
 
   vie_encoder_.reset(new ViEEncoder(
-      channel_id, num_cpu_cores, module_process_thread_, &stats_proxy_,
+      num_cpu_cores, module_process_thread_, &stats_proxy_,
       config.pre_encode_callback, channel_group_->pacer(),
       channel_group_->bitrate_allocator()));
   RTC_CHECK(vie_encoder_->Init());
 
   vie_channel_.reset(new ViEChannel(
       num_cpu_cores, config.send_transport, module_process_thread_,
       channel_group_->GetRtcpIntraFrameObserver(),
       channel_group_->GetBitrateController()->CreateRtcpBandwidthObserver(),
       transport_feedback_observer,
       channel_group_->GetRemoteBitrateEstimator(false),
@@ skipping 393 matching lines @@
                                        vie_channel_->IsSendingFecEnabled());
 
   // Restart the media flow
   vie_encoder_->Restart();
 
   return true;
 }
 
 }  // namespace internal
 }  // namespace webrtc