Don't forget to support G722 stereo decoding

webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory_internal.cc

 /*
  *  Copyright (c) 2016 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 117 matching lines @@
     {"g722",
      [](const SdpAudioFormat& format, std::unique_ptr<AudioDecoder>* out) {
        if (format.clockrate_hz == 8000) {
          if (format.num_channels == 1) {
            if (out) {
              out->reset(new AudioDecoderG722Impl);
            }
            return true;
          } else if (format.num_channels == 2) {
            if (out) {
-             out->reset(new AudioDecoderG722Stereo);
+             out->reset(new AudioDecoderG722StereoImpl);
            }
            return true;
          }
        }
        return false;
      }},
 #endif
 #ifdef WEBRTC_CODEC_OPUS
     {"opus",
      [](const SdpAudioFormat& format, std::unique_ptr<AudioDecoder>* out) {
@@ skipping 99 matching lines @@
 
 }  // namespace
 
 rtc::scoped_refptr<AudioDecoderFactory>
 CreateBuiltinAudioDecoderFactoryInternal() {
   return rtc::scoped_refptr<AudioDecoderFactory>(
       new rtc::RefCountedObject<BuiltinAudioDecoderFactory>);
 }
 
 }  // namespace webrtc