web播放本地流视频

<template>
  <div>
    <div class="video">
      <video></video>
    </div>
  </div>
</template>

<script>
export default {
  mounted() {
    this.playVideo()
  },
  methods: {
    playVideo() {
      navigator.getUserMedia =
        navigator.getUserMedia ||
        navigator.webkitGetUserMedia ||
        navigator.mozGetUserMedia

      // 只获取video:
      var constraints = { audio: false, video: true }
      var video = document.querySelector('video')

      function successCallback(stream) {
        // Note: make the returned stream available to console for inspection
        window.stream = stream

        if (window.URL) {
          // Chrome浏览器
          video.srcObject = stream
        } else {
          // Firefox和Opera: 可以直接把视频源设置为stream
          video.src = stream
        }
        // 播放
        video.play()
      }

      function errorCallback(error) {
        console.log('navigator.getUserMedia error: ', error)
      }

      navigator.getUserMedia(constraints, successCallback, errorCallback)
    },
  },
}
</script>

<style lang="scss" scoped></style>