NetEq: Implement muted output

webrtc/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc

 /*
  *  Copyright (c) 2013 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 171 matching lines @@
   }
 
   void SetUp() override {
     ASSERT_EQ(NetEq::kOK, neteq_internal_->RegisterPayloadType(
                               NetEqDecoder::kDecoderPCM16Bswb32kHz,
                               "pcm16-swb32", kPayloadType));
   }
 
   void GetAndVerifyOutput() override {
     // Get audio from internal decoder instance.
-    EXPECT_EQ(NetEq::kOK, neteq_internal_->GetAudio(&output_internal_));
+    bool muted;
+    EXPECT_EQ(NetEq::kOK, neteq_internal_->GetAudio(&output_internal_, &muted));
+    ASSERT_FALSE(muted);
     EXPECT_EQ(1u, output_internal_.num_channels_);
     EXPECT_EQ(static_cast<size_t>(kOutputLengthMs * sample_rate_hz_ / 1000),
               output_internal_.samples_per_channel_);
 
     // Get audio from external decoder instance.
     GetOutputAudio(&output_);
 
     for (size_t i = 0; i < output_.samples_per_channel_; ++i) {
       ASSERT_EQ(output_.data_[i], output_internal_.data_[i])
           << "Diff in sample " << i << ".";
@@ skipping 238 matching lines @@
                                                         kStartSeqeunceNumber,
                                                         kStartTimestamp,
                                                         kJumpFromTimestamp,
                                                         kJumpToTimestamp));
 
   RunTest(130);  // Run 130 laps @ 10 ms each in the test loop.
   EXPECT_EQ(kRecovered, test_state_);
 }
 
 }  // namespace webrtc