@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 (widthPixels_ != 0) {
      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, widthPixels_);
    }
    if (heightPixels_ != 0) {
      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, heightPixels_);
    }
    if (java.lang.Double.doubleToRawLongBits(frameRate_) != 0) {
      size += com.google.protobuf.CodedOutputStream.computeDoubleSize(4, frameRate_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
The frame rate of the input video stream.
</pre>

<code>double frame_rate = 4;</code>

@return The frameRate.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/VideoFormat.java