jellyfin-roku/source/VideoPlayer.brs

function VideoPlayer(id)
  ' Get video controls and UI
  video = CreateObject("roSGNode", "JFVideo")
  video.content = VideoContent(id)
  
  jellyfin_blue = "#00a4dcFF"

  video.retrievingBar.filledBarBlendColor = jellyfin_blue
  video.bufferingBar.filledBarBlendColor = jellyfin_blue
  video.trickPlayBar.filledBarBlendColor = jellyfin_blue
  return video
end function

function VideoContent(id) as object
  ' Get video stream
  content = createObject("RoSGNode", "ContentNode")

  meta = ItemMetaData(id) 
  content.title = meta.Name
  container = getContainerType(meta)
  
  if directPlaySupported(meta) then
    content.url = buildURL(Substitute("Videos/{0}/stream", id), {
      Static: "true",
      Container: container
    })
    content.streamformat = container
    content.switchingStrategy = ""
  else
    content.url = buildURL(Substitute("Videos/{0}/master.m3u8", id), {
      PlaySessionId: ItemGetSession(id)
      VideoCodec: "h264",
      AudioCodec: "aac", 
      MediaSourceId: id,
    })
  end if
  content = authorize_request(content)

  ' todo - audioFormat is read only
  content.audioFormat = getAudioFormat(meta)
    
  if server_is_https() then
    content.setCertificatesFile("common:/certs/ca-bundle.crt")
  end if
  return content
end function

function directPlaySupported(meta as object) as boolean
    devinfo = CreateObject("roDeviceInfo")
	return devinfo.CanDecodeVideo({ Codec: meta.json.MediaStreams[0].codec }).result    
end function

function getContainerType(meta as object) as string
  ' Determine the file type of the video file source
  print type(meta)
  if meta.json.mediaSources = invalid then return ""


  container = meta.json.mediaSources[0].container
  if container = invalid
    container = ""
  else if container = "m4v" or container = "mov"
    container = "mp4"
  end if

  return container
end function

function getAudioFormat(meta as object) as string
  ' Determine the codec of the audio file source
  if meta.json.mediaSources = invalid then return ""

  audioInfo = getAudioInfo(meta)
  if audioInfo.count() = 0 then return ""
  return audioInfo[0].codec
end function


function getAudioInfo(meta as object) as object
  ' Return audio metadata for a given stream
  results = []
  for each source in meta.json.mediaSources[0].mediaStreams
    if source["type"] = "Audio"
      results.push(source)
    end if
  end for
  return results
end function