Thanks,
I triad it but failed to compiled. Here is showfeed.brs.
'**********************************************************
'** 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.Live = validstr(curShow.Live.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
if item.runtime=0 then
item.runtime=ivalid
item.length=invalid
end if
())
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 = "90"
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
