content: package com.genersoft.iot.vmp.jt1078.proc.response;
  
  import com.genersoft.iot.vmp.jt1078.annotation.MsgId;
  import io.netty.buffer.ByteBuf;
  import io.netty.buffer.ByteBufUtil;
  import io.netty.buffer.Unpooled;
  import lombok.Getter;
  import lombok.Setter;
  
  /**
   * 平台下发远程录像回放控制
   *
   * @author QingtaiJiang
   * @date 2023/4/28 10:37
   * @email qingtaij@163.com
   */
  @Setter
  @Getter
  @MsgId(id = "9202")
  public class J9202 extends Rs {
      // 逻辑通道号
      private int channel;
  
      // 回放控制：0.开始回放 1.暂停回放 2.结束回放 3.快进回放 4.关键帧快退回放 5.拖动回放 6.关键帧播放
      private int playbackType;
  
      // 快进或快退倍数：0.无效 1.1倍 2.2倍 3.4倍 4.8倍 5.16倍 (回放控制为3和4时,此字段内容有效,否则置0)
      private int playbackSpeed;
  
      // 拖动回放位置(YYMMDDHHMMSS,回放控制为5时,此字段有效)
      private String playbackTime;
  
      @Override
      public ByteBuf encode() {
          ByteBuf buffer = Unpooled.buffer();
          buffer.writeByte(channel);
          buffer.writeByte(playbackType);
          buffer.writeByte(playbackSpeed);
          if (playbackType == 5) {
              buffer.writeBytes(ByteBufUtil.decodeHexDump(playbackTime));
          }
  
          return buffer;
      }
  
      @Override
      public String toString() {
          return "J9202{" +
                  "channel=" + channel +
                  ", playbackType=" + playbackType +
                  ", playbackSpeed=" + playbackSpeed +
                  ", playbackTime='" + playbackTime + '\'' +
                  '}';
      }
  }
  