@java.lang.Override
    public com.google.cloud.video.livestream.v1.Encryption.MpegCommonEncryptionOrBuilder
        getMpegCencOrBuilder() {
      if ((encryptionModeCase_ == 6) && (mpegCencBuilder_ != null)) {
        return mpegCencBuilder_.getMessageOrBuilder();
      } else {
        if (encryptionModeCase_ == 6) {
          return (com.google.cloud.video.livestream.v1.Encryption.MpegCommonEncryption)
              encryptionMode_;
        }
        return com.google.cloud.video.livestream.v1.Encryption.MpegCommonEncryption
            .getDefaultInstance();
      }
    }
<pre>
Configuration for MPEG-Dash Common Encryption (MPEG-CENC).
</pre>

<code>.google.cloud.video.livestream.v1.Encryption.MpegCommonEncryption mpeg_cenc = 6;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Encryption.java