public Builder mergeFrom(com.google.cloud.video.livestream.v1.ElementaryStream other) {
      if (other == com.google.cloud.video.livestream.v1.ElementaryStream.getDefaultInstance())
        return this;
      if (!other.getKey().isEmpty()) {
        key_ = other.key_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      switch (other.getElementaryStreamCase()) {
        case VIDEO_STREAM:
          {
            mergeVideoStream(other.getVideoStream());
            break;
          }
        case AUDIO_STREAM:
          {
            mergeAudioStream(other.getAudioStream());
            break;
          }
        case TEXT_STREAM:
          {
            mergeTextStream(other.getTextStream());
            break;
          }
        case ELEMENTARYSTREAM_NOT_SET:
          {
            break;
          }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Encoding of an input element such as an audio, video, or text track.
Elementary streams must be packaged before mapping and sharing between
different output formats.
</pre>

Protobuf type {@code google.cloud.video.livestream.v1.ElementaryStream}
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/ElementaryStream.java