jf-roku/components/JFVideo.brs
2022-05-30 09:00:14 -04:00

134 lines
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sub init()
m.playbackTimer = m.top.findNode("playbackTimer")
m.bufferCheckTimer = m.top.findNode("bufferCheckTimer")
m.top.observeField("state", "onState")
m.playbackTimer.observeField("fire", "ReportPlayback")
m.bufferPercentage = 0 ' Track whether content is being loaded
m.playReported = false
m.top.transcodeReasons = []
m.bufferCheckTimer.duration = 10
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
' start timer
m.bufferCheckTimer.control = "start"
m.bufferCheckTimer.ObserveField("fire", "bufferCheck")
else if m.top.state = "error"
' 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
else if m.top.state = "playing"
if m.playReported = false
ReportPlayback("start")
m.playReported = true
else
m.playbackTimer.control = "start"
ReportPlayback()
end if
else if m.top.state = "paused"
m.playbackTimer.control = "stop"
ReportPlayback()
else if m.top.state = "stopped"
m.playbackTimer.control = "stop"
ReportPlayback("stop")
m.playReported = false
end if
end sub
'
' Report playback to server
sub ReportPlayback(state = "update" as string)
if m.top.position = invalid then return
params = {
"ItemId": m.top.id,
"PlaySessionId": m.top.PlaySessionId,
"PositionTicks": int(m.top.position) * 10000000&, 'Ensure a LongInteger is used
"IsPaused": (m.top.state = "paused")
}
if m.top.content.live
params.append({
"MediaSourceId": m.top.transcodeParams.MediaSourceId,
"LiveStreamId": m.top.transcodeParams.LiveStreamId
})
m.bufferCheckTimer.duration = 30
end if
' Report playstate via worker task
playstateTask = m.global.playstateTask
playstateTask.setFields({ status: state, params: params })
playstateTask.control = "RUN"
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
' Check that the buffering percentage is increasing
if m.top.bufferingStatus["percentage"] > m.bufferPercentage
m.bufferPercentage = m.top.bufferingStatus["percentage"]
else if m.top.content.live = true
m.top.callFunc("refresh")
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"
m.top.selectSubtitlePressed = true
return true
end if
return false
end function