Video is Playing

gistfile1.txt

{
  "document": {
    "type": "APL",
    "version": "1.4",
    "settings": {},
    "theme": "dark",
    "import": [],
    "resources": [],
    "styles": {},
    "onMount": [],
    "graphics": {},
    "commands": {},
    "layouts": {},
    "mainTemplate": {
      "parameters": [
        "payload"
      ],
      "items": [
        {
          "type": "Container",
          "onMount": [
            {
              "type": "Parallel",
              "commands": [
                {
                  "type": "SpeakItem",
                  "componentId": "videoIsPlaying"
                },
                {
                  "type": "ControlMedia",
                  "componentId": "videoPlayer",
                  "command": "play"
                }
              ]
            }
          ],
          "items": [
            {
              "type": "Text",
              "position": "absolute",
              "id": "videoIsPlaying",
              "speech": "${payload.currentView.properties.speech}",
              "text": ".",
              "left": "${viewport.width * -1}",
              "top": 0
            },
            {
              "type": "Video",
              "height": "100%",
              "width": "100%",
              "shrink": 1,
              "autoplay": false,
              "audioTrack": "foreground",
              "id": "videoPlayer",
              "source": {
                "url": "https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4"
              }
            }
          ]
        }
      ]
    }
  },
  "datasources": {
    "currentView": {
      "type": "object",
      "properties": {
        "text": "Video is playing"
      },
      "transformers": [
        {
          "inputPath": "text",
          "transformer": "textToSpeech",
          "outputName": "speech"
        }
      ]
    }
  },
  "sources": {}
}