Remove UpdateSsrcs from EncoderStateFeedback.

webrtc/video_engine/encoder_state_feedback.cc

 /*
  *  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 36 matching lines @@
 };
 
 EncoderStateFeedback::EncoderStateFeedback()
     : crit_(CriticalSectionWrapper::CreateCriticalSection()),
       observer_(new EncoderStateFeedbackObserver(this)) {}
 
 EncoderStateFeedback::~EncoderStateFeedback() {
   assert(encoders_.empty());
 }
 
-void EncoderStateFeedback::UpdateSsrcs(const std::vector<uint32_t>& ssrcs,
-                                       ViEEncoder* encoder) {
+void EncoderStateFeedback::AddEncoder(const std::vector<uint32_t>& ssrcs,
+                                      ViEEncoder* encoder) {
+  DCHECK(!ssrcs.empty());
   CriticalSectionScoped lock(crit_.get());
-  SsrcEncoderMap::iterator it = encoders_.begin();
-  while (it != encoders_.end()) {
-    if (it->second == encoder) {
-      encoders_.erase(it++);
-    } else {
-      ++it;
-    }
-  }
   for (uint32_t ssrc : ssrcs) {
     DCHECK(encoders_.find(ssrc) == encoders_.end());
     encoders_[ssrc] = encoder;
   }
 }
 
-bool EncoderStateFeedback::AddEncoder(uint32_t ssrc, ViEEncoder* encoder)  {
-  CriticalSectionScoped lock(crit_.get());
-  if (encoders_.find(ssrc) != encoders_.end()) {
-    // Two encoders must not have the same ssrc.
-    return false;
-  }
-
-  encoders_[ssrc] = encoder;
-  return true;
-}
-
 void EncoderStateFeedback::RemoveEncoder(const ViEEncoder* encoder)  {
   CriticalSectionScoped lock(crit_.get());
   SsrcEncoderMap::iterator it = encoders_.begin();
   while (it != encoders_.end()) {
     if (it->second == encoder) {
       encoders_.erase(it++);
     } else {
       ++it;
     }
   }
@@ skipping 38 matching lines @@
     return;
   }
 
   ViEEncoder* encoder = it->second;
   encoders_.erase(it);
   encoders_[new_ssrc] = encoder;
   encoder->OnLocalSsrcChanged(old_ssrc, new_ssrc);
 }
 
 }  // namespace webrtc