NetEq: Implement muted output

webrtc/modules/audio_coding/neteq/neteq_stereo_unittest.cc

Index: webrtc/modules/audio_coding/neteq/neteq_stereo_unittest.cc
diff --git a/webrtc/modules/audio_coding/neteq/neteq_stereo_unittest.cc b/webrtc/modules/audio_coding/neteq/neteq_stereo_unittest.cc
index 4ee17d2a446167425340a2a9a00c6b324b9165d2..f3f33bb5950a103f60080a730de222d01524dc2b 100644
--- a/webrtc/modules/audio_coding/neteq/neteq_stereo_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/neteq_stereo_unittest.cc
@@ -212,11 +212,15 @@ class NetEqStereoTest : public ::testing::TestWithParam<TestParameters> {
         } while (Lost());  // If lost, immediately read the next packet.
       }
       // Get audio from mono instance.
-      EXPECT_EQ(NetEq::kOK, neteq_mono_->GetAudio(&output_));
+      bool muted_output;
+      EXPECT_EQ(NetEq::kOK, neteq_mono_->GetAudio(&output_, &muted_output));
+      ASSERT_FALSE(muted_output);
       EXPECT_EQ(1u, output_.num_channels_);
       EXPECT_EQ(output_size_samples_, output_.samples_per_channel_);
       // Get audio from multi-channel instance.
-      ASSERT_EQ(NetEq::kOK, neteq_->GetAudio(&output_multi_channel_));
+      ASSERT_EQ(NetEq::kOK,
+                neteq_->GetAudio(&output_multi_channel_, &muted_output));
+      ASSERT_FALSE(muted_output);
       EXPECT_EQ(num_channels_, output_multi_channel_.num_channels_);
       EXPECT_EQ(output_size_samples_,
                 output_multi_channel_.samples_per_channel_);