public Builder setPlayer(com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media.Player value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000200;
        player_ = value.getNumber();
        onChanged();
        return this;
      }
<pre>
in case of a player specific media
</pre>

<code>.com.alibaba.fastjson2.benchmark.protobuf.Media.Player player = 10;</code>
@param value The player to set.
@return This builder for chaining.
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java