jf-roku/components/JFVideo.brs
2021-06-12 16:03:47 +01:00

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sub init()
m.top.observeField("state", "onState")
m.bufferPercentage = 0 ' Track whether content is being loaded
m.top.transcodeReasons = []
end sub
'
' When Video Player state changes
sub onState(msg)
' When buffering, start timer to monitor buffering process
if m.top.state = "buffering" and m.bufferCheckTimer <> invalid then
' start timer
m.bufferCheckTimer = m.top.findNode("bufferCheckTimer")
m.bufferCheckTimer.control = "start"
m.bufferCheckTimer.ObserveField("fire", "bufferCheck")
else if m.top.state = "error" then
' If an error was encountered, Display dialog
dialog = createObject("roSGNode", "Dialog")
dialog.title = tr("Error During Playback")
dialog.buttons = [tr("OK")]
dialog.message = tr("An error was encountered while playing this item.")
dialog.observeField("buttonSelected", "dialogClosed")
m.top.getScene().dialog = dialog
' Stop playback and exit player
m.top.control = "stop"
m.top.backPressed = true
end if
end sub
'
' Check the the buffering has not hung
sub bufferCheck(msg)
if m.top.state <> "buffering"
' If video is not buffering, stop timer
m.bufferCheckTimer.control = "stop"
m.bufferCheckTimer.unobserveField("fire")
return
end if
if m.top.bufferingStatus <> invalid then
' Check that the buffering percentage is increasing
if m.top.bufferingStatus["percentage"] > m.bufferPercentage then
m.bufferPercentage = m.top.bufferingStatus["percentage"]
else
' If buffering has stopped Display dialog
dialog = createObject("roSGNode", "Dialog")
dialog.title = tr("Error Retrieving Content")
dialog.buttons = [tr("OK")]
dialog.message = tr("There was an error retrieving the data for this item from the server.")
dialog.observeField("buttonSelected", "dialogClosed")
m.top.getScene().dialog = dialog
' Stop playback and exit player
m.top.control = "stop"
m.top.backPressed = true
end if
end if
end sub
'
' Clean up on Dialog Closed
sub dialogClosed(msg)
sourceNode = msg.getRoSGNode()
sourceNode.unobserveField("buttonSelected")
sourceNode.close = true
end sub
function onKeyEvent(key as string, press as boolean) as boolean
if not press then return false
if m.top.Subtitles.count() and key = "down" then
m.top.selectSubtitlePressed = true
return true
end if
return false
end function