@java.lang.Override
  public int getSourceValue() {
    return source_;
  }
<pre>
The source of the timecode that will later be used in outputs/manifests.
It determines the initial timecode/timestamp (first frame) of output
streams.
</pre>

<code>.google.cloud.video.livestream.v1.TimecodeConfig.TimecodeSource source = 1;</code>

@return The enum numeric value on the wire for source.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/TimecodeConfig.java