MapGIS Client for JavaScript API

import { VideoSourceType, Zondy } from './index'
import { defaultValue, getVideoType } from '../util'
import VideoRegistrationParam from './VideoRegistrationParam'

/**
 * 视频源数据
 * @typedef VideoSource
 * @type {Object}
 * @property {String} videoUrl 视频源地址
 * @property {VideoSourceType} protocol 视频传输协议
 */

/**
 * 视频元数据
 * @class VideoMetaData
 * @classdesc 视频调绘标定配准元数据
 * @param {Object} options 构造参数
 * @param {String} [options.videoID = null] 视频ID
 * @param {String} [options.videoName = null] 视频名称
 * @param {VideoSource|HTMLVideoElement|Object} [options.videoSource = null] 视频源<brl>
 * 支持url链接，支持HTMLVideoElemen，支持videojs对象
 * @param {VideoRegistrationParam} options.videoRegistrationParam 视频配准参数
 * @param {String} [options.version = null] 元数据的版本
 */
class VideoMetaData {
  constructor(options) {
    options = defaultValue(options, {})

    this._videoID = defaultValue(options.videoID, null)
    this._videoName = defaultValue(options.videoName, null)

    this._videoSource = defaultValue(options.videoSource, null)
    if (this._videoSource) {
      if (this._videoSource.videoUrl) {
        this._videoUrl = defaultValue(this._videoSource.videoUrl, null)
        this._videoProtocol = defaultValue(this._videoSource.protocol, null)
        switch (this._videoProtocol) {
          case VideoSourceType.mp4:
            this._videoProtocol = VideoSourceType.mp4
            break
          case VideoSourceType.hls:
            this._videoProtocol = VideoSourceType.hls
            break
          case VideoSourceType.rtmp:
            this._videoProtocol = VideoSourceType.rtmp
            break
        }
        // 若数据中没有指定视频类型，则通过url链接识别视频传输协议
        if (!this._videoProtocol) {
          this._videoProtocol = getVideoType(this._videoSource.videoUrl)
        }
      }
    } else {
      this._videoProtocol = null
      this._videoUrl = null
    }
    const videoRegistrationParam = options.videoRegistrationParam
      ? options.videoRegistrationParam
      : options
    this._videoRegistrationParam = new VideoRegistrationParam(
      videoRegistrationParam
    )
    this._videoMetaDataVersion = defaultValue(options.version, null)
  }

  /**
   * 视频ID
   * @type {String}
   */
  get videoID() {
    return this._videoID
  }

  /**
   * 视频名称
   * @type {String}
   */
  get videoName() {
    return this._videoName
  }

  /**
   * 视频源数据
   * @type {{protocol:VideoSourceType, videoUrl:String}}
   */
  get videoSource() {
    return this._videoSource
  }

  /**
   * 视频配准参数
   * @type {VideoRegistrationParam}
   */
  get videoRegistrationParam() {
    return this._videoRegistrationParam
  }
}
Zondy.VideoMetaData = VideoMetaData
export default VideoMetaData