Change NetEq::GetAudio to use AudioFrame

webrtc/modules/audio_coding/neteq/sync_buffer_unittest.cc

Index: webrtc/modules/audio_coding/neteq/sync_buffer_unittest.cc
diff --git a/webrtc/modules/audio_coding/neteq/sync_buffer_unittest.cc b/webrtc/modules/audio_coding/neteq/sync_buffer_unittest.cc
index 332ec2f4e8da4f199a822c8579168f410b4c8a19..0f7b98978d3724f0329ca8cb56253b1a36952569 100644
--- a/webrtc/modules/audio_coding/neteq/sync_buffer_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/sync_buffer_unittest.cc
@@ -140,20 +140,29 @@ TEST(SyncBuffer, GetNextAudioInterleaved) {
 
   // Read to interleaved output. Read in two batches, where each read operation
   // should automatically update the |net_index_| in the SyncBuffer.
-  int16_t output[kChannels * kNewLen];
   // Note that |samples_read| is the number of samples read from each channel.
   // That is, the number of samples written to |output| is
   // |samples_read| * |kChannels|.
-  size_t samples_read = sync_buffer.GetNextAudioInterleaved(kNewLen / 2,
-                                                            output);
-  samples_read +=
-      sync_buffer.GetNextAudioInterleaved(kNewLen / 2,
-                                          &output[samples_read * kChannels]);
-  EXPECT_EQ(kNewLen, samples_read);
+  AudioFrame output1;
+  sync_buffer.GetNextAudioInterleaved(kNewLen / 2, &output1);
+  EXPECT_EQ(kChannels, output1.num_channels_);
+  EXPECT_EQ(kNewLen / 2, output1.samples_per_channel_);
+
+  AudioFrame output2;
+  sync_buffer.GetNextAudioInterleaved(kNewLen / 2, &output2);
+  EXPECT_EQ(kChannels, output2.num_channels_);
+  EXPECT_EQ(kNewLen / 2, output2.samples_per_channel_);
 
   // Verify the data.
-  int16_t* output_ptr = output;
-  for (size_t i = 0; i < kNewLen; ++i) {
+  int16_t* output_ptr = output1.data_;
+  for (size_t i = 0; i < kNewLen / 2; ++i) {
+    for (size_t channel = 0; channel < kChannels; ++channel) {
+      EXPECT_EQ(new_data[channel][i], *output_ptr);
+      ++output_ptr;
+    }
+  }
+  output_ptr = output2.data_;
+  for (size_t i = kNewLen / 2; i < kNewLen; ++i) {
     for (size_t channel = 0; channel < kChannels; ++channel) {
       EXPECT_EQ(new_data[channel][i], *output_ptr);
       ++output_ptr;