Roku Developer Program

[hpdean]

I am a beginner with this and I need help! I am switching live streaming services. We only stream our service once a week, so for the majority of the time, our live stream is not active. My previous stream host streamed an offline loop to the HLS stream, however, my new stream host does not do this. I need to see if there is any way to do this within the roku code. Here is how my current live stream is hard coded into the channel:

Function showHomeScreen(screen) As Integer

    if validateParam(screen, "roPosterScreen", "showHomeScreen") = false return -1

    initCategoryList()
    screen.SetContentList(m.Categories.Kids)
    screen.SetFocusedListItem(0)
    screen.Show()

    while true
        msg = wait(0, screen.GetMessagePort())
        if type(msg) = "roPosterScreenEvent" then
            print "showHomeScreen | msg = "; msg.GetMessage() " | index = "; msg.GetIndex()
            if msg.isListFocused() then
                print "list focused | index = "; msg.GetIndex(); " | category = "; m.curCategory
            else if msg.isListItemSelected() then
                print "list item selected | index = "; msg.GetIndex()
                kid = m.Categories.Kids[msg.GetIndex()]
				
				if kid.type = "About Us" then
                    ShowParagraphScreen()
					
				else if kid.type = "Hope Point Live Stream" then
				
					' method 1: hard code the stream here in the channel
					' init the video item now and go to video:
					item = init_show_feed_item()
					item.StreamBitrates.Push(2000)
					item.StreamQualities.Push("SD")
					item.StreamFormat = "hls"
					item.StreamUrls.Push(validstr("http://www.yourstreamlive.com/live/901/hls"))
					
					showVideoScreen(item)
					
					
					
				else if kid.Title = "Hope Point Live Stream"
				
					' method 2: key it off some element in the xml so you can update the stream later
					' try to get the video item from the kid's xml and play it now
					shows = getShowsForCategoryItem(kid, 0)
					showVideoScreen(shows[0])
				
				else
					displayCategoryPosterScreen(kid)
                end if
            else if msg.isScreenClosed() then
                return -1
            end if
        end If
    end while

    return 0

End Function

Is it possible to have a fallback image or something, that tells the channel to check the HLS stream first and then fall back to image if no stream is active?

[RokuJoel]

Look for msg.isRequestFailed() and if it is, then load an imageCanvas and show a poster image, of course you will need to listen for the back-button and up button events to exit the roImageCanvasScreen.

- Joel

[jmatt0806]

"hpdean" wrote:
I am a beginner with this and I need help!  I am switching live streaming services.  We only stream our service once a week, so for the majority of the time, our live stream is not active.  My previous stream host streamed an offline loop to the HLS stream, however, my new stream host does not do this.  I need to see if there is any way to do this within the roku code.  Here is how my current live stream is hard coded into the channel:

Function showHomeScreen(screen) As Integer

    if validateParam(screen, "roPosterScreen", "showHomeScreen") = false return -1

    initCategoryList()
    screen.SetContentList(m.Categories.Kids)
    screen.SetFocusedListItem(0)
    screen.Show()

    while true
        msg = wait(0, screen.GetMessagePort())
        if type(msg) = "roPosterScreenEvent" then
            print "showHomeScreen | msg = "; msg.GetMessage() " | index = "; msg.GetIndex()
            if msg.isListFocused() then
                print "list focused | index = "; msg.GetIndex(); " | category = "; m.curCategory
            else if msg.isListItemSelected() then
                print "list item selected | index = "; msg.GetIndex()
                kid = m.Categories.Kids[msg.GetIndex()]
 
 if kid.type = "About Us" then
                    ShowParagraphScreen()
 
 else if kid.type = "Hope Point Live Stream" then
 
 ' method 1: hard code the stream here in the channel
 ' init the video item now and go to video:
 item = init_show_feed_item()
 item.StreamBitrates.Push(2000)
 item.StreamQualities.Push("SD")
 item.StreamFormat = "hls"
 item.StreamUrls.Push(validstr("http://www.yourstreamlive.com/live/901/hls"))
 
 showVideoScreen(item)
 
 
 
 else if kid.Title = "Hope Point Live Stream"
 
 ' method 2: key it off some element in the xml so you can update the stream later
 ' try to get the video item from the kid's xml and play it now
 shows = getShowsForCategoryItem(kid, 0)
 showVideoScreen(shows[0])
 
 else
 displayCategoryPosterScreen(kid)
                end if
            else if msg.isScreenClosed() then
                return -1
            end if
        end If
    end while

    return 0

End Function

Is it possible to have a fallback image or something, that tells the channel to check the HLS stream first and then fall back to image if no stream is active?

I see if your channel you have a dialog pop-up if the stream isn't active. How did you end up doing this?
Thanks

[IVEN]

Sorry , do you have the complate solution sample zip file , it will help me alot

thanks