@java.lang.Override
      public java.lang.String getMode() {
        java.lang.Object ref = mode_;
        if (ref instanceof java.lang.String) {
          return (java.lang.String) ref;
        } else {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          mode_ = s;
          return s;
        }
      }
<pre>
Specifies the deinterlacing mode to adopt.
The default is `send_frame`.
Supported values:

- `send_frame`: Output one frame for each frame
- `send_field`: Output one frame for each field
</pre>

<code>string mode = 1;</code>

@return The mode.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/PreprocessingConfig.java