NetEq: Implement muted output

webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.cc

 /*
  *  Copyright (c) 2014 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 373 matching lines @@
       Log() << "was sent.";
     } else {
       Log() << "was lost.";
     }
   }
   Log() << std::endl;
   return packet_input_time_ms;
 }
 
 int NetEqQualityTest::DecodeBlock() {
-  int ret = neteq_->GetAudio(&out_frame_);
+  bool muted;
+  int ret = neteq_->GetAudio(&out_frame_, &muted);
+  RTC_CHECK(!muted);
 
   if (ret != NetEq::kOK) {
     return -1;
   } else {
     RTC_DCHECK_EQ(out_frame_.num_channels_, channels_);
     RTC_DCHECK_EQ(out_frame_.samples_per_channel_,
                   static_cast<size_t>(kOutputSizeMs * out_sampling_khz_));
     RTC_CHECK(output_->WriteArray(
         out_frame_.data_,
         out_frame_.samples_per_channel_ * out_frame_.num_channels_));
@@ skipping 21 matching lines @@
     }
   }
   Log() << "Average bit rate was "
         << 8.0f * total_payload_size_bytes_ / FLAGS_runtime_ms
         << " kbps"
         << std::endl;
 }
 
 }  // namespace test
 }  // namespace webrtc