Adding cbr support for Opus

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 285 matching lines @@
   }
 
   // Codec internal FEC. Treat any failure as fatal internal error.
   if (send_codec_spec.enable_codec_fec) {
     if (!channel_proxy_->SetCodecFECStatus(true)) {
       LOG(LS_WARNING) << "SetCodecFECStatus() failed.";
       return false;
     }
   }
 
-  // DTX and maxplaybackrate are only set if current codec is Opus.
+  // DTX, CBR, and maxplaybackrate are only set if current codec is Opus.
   if (IsCodec(send_codec_spec.codec_inst, kOpusCodecName)) {
     if (!channel_proxy_->SetOpusDtx(send_codec_spec.enable_opus_dtx)) {
       LOG(LS_WARNING) << "SetOpusDtx() failed.";
       return false;
     }
 
+    if (!channel_proxy_->SetOpusCbr(send_codec_spec.enable_opus_cbr)) {
+      LOG(LS_WARNING) << "SetOpusCbr() failed.";
+      return false;
+    }
+
     // 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 (!channel_proxy_->SetOpusMaxPlaybackRate(
               send_codec_spec.opus_max_playback_rate)) {
         LOG(LS_WARNING) << "SetOpusMaxPlaybackRate() failed.";
         return false;
       }
     }
 
@@ skipping 50 matching lines @@
         LOG(LS_WARNING) << "SetVADStatus() failed.";
         return false;
       }
     }
   }
   return true;
 }
 
 }  // namespace internal
 }  // namespace webrtc