package com.ard.work.component.netty.command.settings;

import com.ard.work.domain.dto.settings.VideoStreamSettingDTO;
import com.ard.work.component.netty.command.BaseCmd;
import io.netty.buffer.ByteBuf;

/**
 * 设置视频码流指令
 *
 * @author liusuyi
 * @date 2024年10月30日16:20
 **/
public class VideoStreamSettingCmd extends BaseCmd {

    private final int resolutionWidth;  // 水平像素
    private final int resolutionHeight; // 垂直像素
    private final int bitrate;          // 码率
    private final byte frameRate;       // 帧率

    public VideoStreamSettingCmd(VideoStreamSettingDTO videoStreamSettingDTO) {
        setDataHeader((short) 0x7479);
        setDataLength((short) 27);
        setBoxSn(videoStreamSettingDTO.getBoxSn().getBytes());
        setCmdCode((byte) 0xD2);
        this.bitrate = videoStreamSettingDTO.getBitrate();
        this.resolutionWidth = videoStreamSettingDTO.getResolutionWidth();
        this.resolutionHeight = videoStreamSettingDTO.getResolutionHeight();
        this.frameRate = videoStreamSettingDTO.getFrameRate();
    }

    public void encode(ByteBuf out) {
        out.writeShort(getDataHeader());    // 写入数据头
        out.writeShort(getDataLength());    // 写入数据长度
        out.writeBytes(getBoxSn());         // 写入盒子SN
        out.writeByte(getCmdCode());        // 写入命令码
        out.writeByte(0x00);          // 写入加密标志
        out.writeByte(0x05);          // 写入动作编号
        out.writeInt(resolutionWidth);      // 写入水平像素
        out.writeInt(resolutionHeight);     // 写入垂直像素
        out.writeByte(frameRate);           // 写入帧率
        out.writeInt(bitrate);              // 写入码率
    }
}