@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(codec_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, codec_);
    }
    if (channelCount_ != 0) {
      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, channelCount_);
    }
    {
      int dataSize = 0;
      for (int i = 0; i < channelLayout_.size(); i++) {
        dataSize += computeStringSizeNoTag(channelLayout_.getRaw(i));
      }
      size += dataSize;
      size += 1 * getChannelLayoutList().size();
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
A list of channel names specifying the layout of the audio channels.
</pre>

<code>repeated string channel_layout = 3;</code>

@param index The index of the value to return.
@return The bytes of the channelLayout at the given index.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/AudioFormat.java