Roku Developer Program

[lbell]

I don't know what happend but it worked a minute ago...

I validated the xml but I still keep getting "can't parse feed" message in the telnet and my screen won't load...all the others work fine though.

Here's the linke to the xml "http//www.map2life.com/roku/xml/Lessons.xml"


I used the videoplayer example and made changes to adapt to my needs..
Anyway here's the code..any input would be greatly appreciated cause I'm getting pretty frustrated with it.

'**********************************************************
'**  Video Player Example Application - Show Feed 
'**  November 2009
'**  Copyright (c) 2009 Roku Inc. All Rights Reserved.
'**********************************************************

'******************************************************
'** Set up the show feed connection object
'** This feed provides the detailed list of shows for
'** each subcategory (categoryLeaf) in the category
'** category feed. Given a category leaf node for the
'** desired show list, we'll hit the url and get the
'** results.     
'******************************************************

Function InitShowFeedConnection(category As Object) As Object

    if validateParam(category, "roAssociativeArray", "initShowFeedConnection") = false return invalid 

    conn = CreateObject("roAssociativeArray")
    conn.UrlShowFeed  = category.feed 

    conn.Timer = CreateObject("roTimespan")

    conn.LoadShowFeed    = load_show_feed
    conn.ParseShowFeed   = parse_show_feed
    conn.InitFeedItem    = init_show_feed_item

    print "created feed connection for " + conn.UrlShowFeed
    return conn

End Function


'******************************************************
'Initialize a new feed object
'******************************************************
Function newShowFeed() As Object

    o = CreateObject("roArray", 100, true)
    return o

End Function


'***********************************************************
' Initialize a ShowFeedItem. This sets the default values
' for everything.  The data in the actual feed is sometimes
' sparse, so these will be the default values unless they
' are overridden while parsing the actual game data
'***********************************************************
Function init_show_feed_item() As Object
    o = CreateObject("roAssociativeArray")

    o.ContentId        = ""
    o.Title            = ""
    o.ContentType      = ""
    o.ContentQuality   = ""
    o.Synopsis         = ""
    o.Genre            = ""
    o.Runtime          = ""
    o.StreamQualities  = CreateObject("roArray", 5, true) 
    o.StreamBitrates   = CreateObject("roArray", 5, true)
    o.StreamUrls       = CreateObject("roArray", 5, true)

    return o
End Function


'*************************************************************
'** Grab and load a show detail feed. The url we are fetching 
'** is specified as part of the category provided during 
'** initialization. This feed provides a list of all shows
'** with details for the given category feed.
'*********************************************************
Function load_show_feed(conn As Object) As Dynamic

    if validateParam(conn, "roAssociativeArray", "load_show_feed") = false return invalid 

    print "url: " + conn.UrlShowFeed 
    http = NewHttp(conn.UrlShowFeed)

    m.Timer.Mark()
    rsp = http.GetToStringWithRetry()
    print "Request Time: " + itostr(m.Timer.TotalMilliseconds())

    feed = newShowFeed()
    xml=CreateObject("roXMLElement")
    if not xml.Parse(rsp) then
        print "Can't parse feed"
        return feed
    endif

    if xml.GetName() <> "feed" then
        print "no feed tag found"
        return feed
    endif

    if islist(xml.GetBody()) = false then
        print "no feed body found"
        return feed
    endif

    m.Timer.Mark()
    m.ParseShowFeed(xml, feed)
    print "Show Feed Parse Took : " + itostr(m.Timer.TotalMilliseconds())

    return feed

End Function


'**************************************************************************
'**************************************************************************
Function parse_show_feed(xml As Object, feed As Object) As Void

    showCount = 0
    showList = xml.GetChildElements()

    for each curShow in showList

        'for now, don't process meta info about the feed size
        if curShow.GetName() = "resultLength" or curShow.GetName() = "endIndex" then
            goto skipitem
        endif

        item = init_show_feed_item()

        'fetch all values from the xml for the current show
        item.hdImg            = validstr(curShow@hdImg) 
        item.sdImg            = validstr(curShow@sdImg) 
        item.ContentId        = validstr(curShow.contentId.GetText()) 
        item.Title            = validstr(curShow.title.GetText()) 
        item.Description      = validstr(curShow.description.GetText()) 
        item.ContentType      = validstr(curShow.contentType.GetText())
        item.ContentQuality   = validstr(curShow.contentQuality.GetText())
        item.Synopsis         = validstr(curShow.synopsis.GetText())
        item.Genre            = validstr(curShow.genres.GetText())
        item.Runtime          = validstr(curShow.runtime.GetText())
        item.ImageCount       = strtoi(validstr(curShow.ImageCount.GetText()))
        item.Url              = validstr(curShow.Url.GetText())
        item.HDBifUrl         = validstr(curShow.hdBifUrl.GetText())
        item.SDBifUrl         = validstr(curShow.sdBifUrl.GetText())
        item.StreamFormat = validstr(curShow.streamFormat.GetText())
        if item.StreamFormat = "" then  'set default streamFormat to mp4 if doesn't exist in xml
            item.StreamFormat = "mp4"
        endif
        
        'map xml attributes into screen specific variables
        item.ShortDescriptionLine1 = item.Title 
        item.ShortDescriptionLine2 = item.Description
        item.HDPosterUrl           = item.hdImg
        item.SDPosterUrl           = item.sdImg

        item.Length = strtoi(item.Runtime)
        item.Categories = CreateObject("roArray", 5, true)
        item.Categories.Push(item.Genre)
        item.Actors = CreateObject("roArray", 5, true)
        item.Actors.Push(item.Genre)
        item.Description = item.Synopsis
        
        'Set Default screen values for items not in feed
        item.HDBranded = false
        item.IsHD = false
        item.StarRating = "0"
        item.ContentType = "episode" 

        'media may be at multiple bitrates, so parse an build arrays
        for idx = 0 to 4
            e = curShow.media[idx]
            if e  <> invalid then
                item.StreamBitrates.Push(strtoi(validstr(e.streamBitrate.GetText())))
                item.StreamQualities.Push(validstr(e.streamQuality.GetText()))
                item.StreamUrls.Push(validstr(e.streamUrl.GetText()))
            endif
        next idx
        
        showCount = showCount + 1
        feed.Push(item)

        skipitem:

    next

End Function

[RokuJoel]

Note that you left the : off after the http in your URL, the XML appears to be valid if I fix that.

- Joel

[lbell]

Thank you so much Joel! 😄

[lbell]

Hmm, the code is given a feed url from a different xml but I Went to add it to the xml and its already there...The xml was always able to be parsed by my browser but not the roku player for some reason..
But the : has always been there I just didn't type it right when I submitted it to the forum.

[RokuMarkn]

Print out rsp before you parse it. I suspect it doesn't contain what you think it does.

--Mark

[sjsaleem]

I've a similar issue. My m3u8 streams works well with when they are hosted on s3 but gives "can't parse" error when hosted from other web servers or Google cloud.

Do any body have a solution for this behavior?