Using AudioOption to enable audio network adaptor.

webrtc/audio/audio_send_stream.cc

 /*
  *  Copyright (c) 2015 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 310 matching lines @@
     // If opus_max_playback_rate <= 0, the default maximum playback rate
     // (48 kHz) will be used.
     if (send_codec_spec.opus_max_playback_rate > 0) {
       if (codec->SetOpusMaxPlaybackRate(
               channel, send_codec_spec.opus_max_playback_rate) != 0) {
         LOG(LS_WARNING) << "SetOpusMaxPlaybackRate() failed: "
                         << base->LastError();
         return false;
       }
     }
+
+    if (config_.audio_network_adaptor_config) {
+      // Audio network adaptor is only allowed for Opus currently.
+      // |SetReceiverFrameLengthRange| needs to be called before
+      // |EnableAudioNetworkAdaptor|.
+      channel_proxy_->SetReceiverFrameLengthRange(send_codec_spec.min_ptime_ms,
+                                                  send_codec_spec.max_ptime_ms);
+      if (!channel_proxy_->EnableAudioNetworkAdaptor(
+              *config_.audio_network_adaptor_config)) {
+        LOG(LS_ERROR) << "Audio network adaptor cannot be enabled on SSRC "
+                      << config_.rtp.ssrc;
+        return false;
+      }
+      LOG(LS_INFO) << "Audio network adaptor enabled on SSRC "
+                   << config_.rtp.ssrc;
+    } else {
+      channel_proxy_->DisableAudioNetworkAdaptor();
+    }
   }
 
   // Set the CN payloadtype and the VAD status.
   if (send_codec_spec.cng_payload_type != -1) {
     // The CN payload type for 8000 Hz clockrate is fixed at 13.
     if (send_codec_spec.cng_plfreq != 8000) {
       webrtc::PayloadFrequencies cn_freq;
       switch (send_codec_spec.cng_plfreq) {
         case 16000:
           cn_freq = webrtc::kFreq16000Hz;
@@ skipping 30 matching lines @@
         LOG(LS_WARNING) << "SetVADStatus() failed: " << base->LastError();
         return false;
       }
     }
   }
   return true;
 }
 
 }  // namespace internal
 }  // namespace webrtc