Adding cbr support for Opus

webrtc/voice_engine/channel.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 1466 matching lines @@
   int success = -1;
   audio_coding_->QueryEncoder([&](AudioEncoder const* encoder) {
     if (encoder) {
       *enabled = encoder->GetDtx();
       success = 0;
     }
   });
   return success;
 }
 
+int Channel::SetOpusCbr(bool enable_cbr) {
+  WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, _channelId),
+               "Channel::SetOpusCbr(%d)", enable_cbr);
+
+  int ret = enable_cbr ? audio_coding_->EnableOpusCbr()
+                       : audio_coding_->DisableOpusCbr();
+
+  if (ret != 0) {
+    _engineStatisticsPtr->SetLastError(VE_AUDIO_CODING_MODULE_ERROR,
+                                       kTraceError, "SetOpusCbr() failed");
+    return -1;
+  }
+  return 0;
+}
+
+int Channel::GetOpusCbr(bool* enabled) {
+  int success = -1;
+  audio_coding_->QueryEncoder([&](AudioEncoder const* encoder) {
+    if (encoder) {
+      *enabled = encoder->GetCbr();
+      success = 0;
+    }
+  });
+  return success;
+}
+
 bool Channel::EnableAudioNetworkAdaptor(const std::string& config_string) {
   bool success = false;
   audio_coding_->ModifyEncoder([&](std::unique_ptr<AudioEncoder>* encoder) {
     if (*encoder) {
       success = (*encoder)->EnableAudioNetworkAdaptor(
           config_string, event_log_proxy_.get(), Clock::GetRealTimeClock());
     }
   });
   return success;
 }
@@ skipping 1495 matching lines @@
   int64_t min_rtt = 0;
   if (_rtpRtcpModule->RTT(remoteSSRC, &rtt, &avg_rtt, &min_rtt, &max_rtt) !=
       0) {
     return 0;
   }
   return rtt;
 }
 
 }  // namespace voe
 }  // namespace webrtc