Usar el SDK de DAI de IMA en Roku

<?xml version="1.0" encoding="utf-8" ?>
<component name="MainScene" extends="Scene" initialFocus = "myVideo">
<script type="text/brightscript">
<![CDATA[
  function init()
    m.video = m.top.findNode("myVideo")
    m.video.notificationinterval = 1
    m.testLiveStream = {
      title: "Livestream",
      assetKey: "c-rArva4ShKVIAkNfy6HUQ",
      apiKey: "",
      type: "live"
    }
    m.testVodStream = {
      title: "VOD stream"
      contentSourceId: "2548831",
      videoId: "tears-of-steel",
      apiKey: "",
      type: "vod"
    }
    m.testVideoStitcherVodStream = {
      title: "My Stream Title",
      vodConfigId: "VOD_CONFIG_ID",
      networkCode: "NETWORK_CODE",
      region: "LOCATION",
      projectNumber: "PROJECT_NUMBER",
      oAuthToken: "OAUTH_TOKEN",
      apiKey: "",
      title: "Video Stitcher VOD Stream",
      type: "stitcherVod"
    }

    loadImaSdk()
  end function

  function loadImaSdk() as void
    m.sdkTask = createObject("roSGNode", "imasdk")
    m.sdkTask.observeField("sdkLoaded", "onSdkLoaded")
    m.sdkTask.observeField("errors", "onSdkLoadedError")

    ' Set this to the stream data you would like to play.
    selectedStream = m.testVideoStitcherVodStream
    m.videoTitle = selectedStream.title
    m.sdkTask.streamData = selectedStream

    m.sdkTask.observeField("urlData", "urlLoadRequested")
    m.sdkTask.video = m.video
    ' Setting control to run starts the task thread.
    m.sdkTask.control = "RUN"
  end function

Sub loadStream()
  sdk = m.sdk
  sdk.initSdk()
  setupVideoPlayer()

  request = {}
  streamData = m.top.streamData
  if streamData.type = "live"
    request = sdk.CreateLiveStreamRequest(streamData.assetKey, streamData.apiKey)
  else if streamData.type = "vod"
    request = sdk.CreateVodStreamRequest(streamData.contentSourceId, streamData.videoId, streamData.apiKey)
  else if streamData.type = "stitcherVod"
    request = sdk.createVideoStitcherVodStreamRequest(
      streamData.vodConfigId,
      streamData.networkCode,
      streamData.region,
      streamData.projectNumber,
      streamData.oAuthToken
    )
  else
    request = sdk.CreateStreamRequest()
  end if

  request.player = m.player
  request.adUiNode = m.top.video

  requestResult = sdk.requestStream(request)
  If requestResult <> Invalid
    print "Error requesting stream ";requestResult
  Else
    m.streamManager = Invalid
    While m.streamManager = Invalid
      sleep(50)
      m.streamManager = sdk.getStreamManager()
    End While
    If m.streamManager = Invalid or m.streamManager["type"] <> Invalid or m.streamManager["type"] = "error"
      errors = CreateObject("roArray", 1, True)
      print "error ";m.streamManager["info"]
      errors.push(m.streamManager["info"])
      m.top.errors = errors
    Else
      m.top.streamManagerReady = True
      addCallbacks()
      m.streamManager.start()
    End If
  End If
End Sub

request = sdk.createVideoStitcherVodStreamRequestWithVodConfig(vodConfigId, networkCode, region, projectNumber, oAuthToken)

request.player = m.player
request.adUiNode = m.top.video

' The following session options are examples. Use session options
' that are compatible with your video stream.
sessionOptions = {
  "manifestOptions": {
    "bitrateOrder": "ascending"
  }
}
request.videoStitcherSessionOptions = sessionOptions

requestResult = sdk.requestStream(request)