Let AudioCodingModule::SendCodec return Maybe<CodecInst>

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 1224 matching lines @@
             "DeRegisterVoiceEngineObserver() observer already disabled");
         return 0;
     }
     _voiceEngineObserverPtr = NULL;
     return 0;
 }
 
 int32_t
 Channel::GetSendCodec(CodecInst& codec)
 {
-    return (audio_coding_->SendCodec(&codec));
+  auto send_codec = audio_coding_->SendCodec();
+  if (send_codec) {
+    codec = *send_codec;
+    return 0;
+  }
+  return -1;
 }
 
 int32_t
 Channel::GetRecCodec(CodecInst& codec)
 {
     return (audio_coding_->ReceiveCodec(&codec));
 }
 
 int32_t
 Channel::SetSendCodec(const CodecInst& codec)
@@ skipping 2674 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