jf-roku/source/VideoPlayer.brs
2022-08-27 08:58:42 -04:00

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function VideoPlayer(id, mediaSourceId = invalid, audio_stream_idx = 1, subtitle_idx = -1, forceTranscoding = false, showIntro = true)
' Get video controls and UI
video = CreateObject("roSGNode", "JFVideo")
video.id = id
AddVideoContent(video, mediaSourceId, audio_stream_idx, subtitle_idx, -1, forceTranscoding, showIntro)
if video.errorMsg = "introaborted"
return video
end if
if video.content = invalid
return invalid
end if
jellyfin_blue = "#00a4dcFF"
video.retrievingBar.filledBarBlendColor = jellyfin_blue
video.bufferingBar.filledBarBlendColor = jellyfin_blue
video.trickPlayBar.filledBarBlendColor = jellyfin_blue
return video
end function
sub AddVideoContent(video, mediaSourceId, audio_stream_idx = 1, subtitle_idx = -1, playbackPosition = -1, forceTranscoding = false, showIntro = true)
video.content = createObject("RoSGNode", "ContentNode")
meta = ItemMetaData(video.id)
m.videotype = meta.type
if meta = invalid
video.content = invalid
return
end if
' Special handling for "Programs" launched from "On Now"
if meta.json.type = "Program"
meta.title = meta.json.EpisodeTitle
meta.showID = meta.json.id
meta.live = true
video.id = meta.json.ChannelId
end if
if m.videotype = "Episode" or m.videotype = "Series"
video.skipIntroParams = api_API().introskipper.get(video.id)
video.content.contenttype = "episode"
end if
video.content.title = meta.title
video.showID = meta.showID
if playbackPosition = -1
playbackPosition = meta.json.UserData.PlaybackPositionTicks
if playbackPosition > 0
dialogResult = startPlayBackOver(playbackPosition)
'Dialog returns -1 when back pressed, 0 for resume, and 1 for start over
if dialogResult = -1
'User pressed back, return invalid and don't load video
video.content = invalid
return
else if dialogResult = 1
'Start Over selected, change position to 0
playbackPosition = 0
else if dialogResult = 2
'Mark this item as watched, refresh the page, and return invalid so we don't load the video
MarkItemWatched(video.id)
video.content.watched = not video.content.watched
group = m.scene.focusedChild
group.timeLastRefresh = CreateObject("roDateTime").AsSeconds()
group.callFunc("refresh")
video.content = invalid
return
else if dialogResult = 3
'get series ID based off episiode ID
params = {
ids: video.Id
}
url = Substitute("Users/{0}/Items/", get_setting("active_user"))
resp = APIRequest(url, params)
data = getJson(resp)
for each item in data.Items
m.series_id = item.SeriesId
end for
'Get series json data
params = {
ids: m.series_id
}
url = Substitute("Users/{0}/Items/", get_setting("active_user"))
resp = APIRequest(url, params)
data = getJson(resp)
for each item in data.Items
m.tmp = item
end for
'Create Series Scene
CreateSeriesDetailsGroup(m.tmp)
video.content = invalid
return
else if dialogResult = 4
'get Season/Series ID based off episiode ID
params = {
ids: video.Id
}
url = Substitute("Users/{0}/Items/", get_setting("active_user"))
resp = APIRequest(url, params)
data = getJson(resp)
for each item in data.Items
m.season_id = item.SeasonId
m.series_id = item.SeriesId
end for
'Get Series json data
params = {
ids: m.season_id
}
url = Substitute("Users/{0}/Items/", get_setting("active_user"))
resp = APIRequest(url, params)
data = getJson(resp)
for each item in data.Items
m.Season_tmp = item
end for
'Get Season json data
params = {
ids: m.series_id
}
url = Substitute("Users/{0}/Items/", get_setting("active_user"))
resp = APIRequest(url, params)
data = getJson(resp)
for each item in data.Items
m.Series_tmp = item
end for
'Create Season Scene
CreateSeasonDetailsGroup(m.Series_tmp, m.Season_tmp)
video.content = invalid
return
else if dialogResult = 5
'get episiode ID
params = {
ids: video.Id
}
url = Substitute("Users/{0}/Items/", get_setting("active_user"))
resp = APIRequest(url, params)
data = getJson(resp)
for each item in data.Items
m.episode_id = item
end for
'Create Episode Scene
CreateMovieDetailsGroup(m.episode_id)
video.content = invalid
return
end if
end if
end if
' Don't attempt to play an intro for an intro video
if showIntro
' Do not play intros when resuming playback
if playbackPosition = 0
if not PlayIntroVideo(video.id, audio_stream_idx)
video.errorMsg = "introaborted"
return
end if
end if
end if
video.content.PlayStart = int(playbackPosition / 10000000)
' Call PlayInfo from server
if mediaSourceId = invalid
mediaSourceId = video.id
end if
if meta.live then mediaSourceId = "" ' Don't send mediaSourceId for Live media
playbackInfo = ItemPostPlaybackInfo(video.id, mediaSourceId, audio_stream_idx, subtitle_idx, playbackPosition)
video.videoId = video.id
video.mediaSourceId = mediaSourceId
video.audioIndex = audio_stream_idx
if playbackInfo = invalid
video.content = invalid
return
end if
params = {}
video.PlaySessionId = playbackInfo.PlaySessionId
if meta.live
video.content.live = true
video.content.StreamFormat = "hls"
end if
video.container = getContainerType(meta)
if playbackInfo.MediaSources[0] = invalid
playbackInfo = meta.json
end if
subtitles = sortSubtitles(meta.id, playbackInfo.MediaSources[0].MediaStreams)
video.Subtitles = subtitles["all"]
if meta.live
video.transcodeParams = {
"MediaSourceId": playbackInfo.MediaSources[0].Id,
"LiveStreamId": playbackInfo.MediaSources[0].LiveStreamId,
"PlaySessionId": video.PlaySessionId
}
end if
video.content.SubtitleTracks = subtitles["text"]
' 'TODO: allow user selection of subtitle track before playback initiated, for now set to no subtitles
video.directPlaySupported = playbackInfo.MediaSources[0].SupportsDirectPlay
fully_external = false
' For h264 video, Roku spec states that it supports and Encoding level 4.1 and 4.2.
' The device can decode content with a Higher Encoding level but may play it back with certain
' artifacts. If the user preference is set, and the only reason the server says we need to
' transcode is that the Envoding Level is not supported, then try to direct play but silently
' fall back to the transcode if that fails.
if get_user_setting("playback.tryDirect.h264ProfileLevel") = "true" and playbackInfo.MediaSources[0].TranscodingUrl <> invalid and forceTranscoding = false and playbackInfo.MediaSources[0].MediaStreams[0].codec = "h264"
transcodingReasons = getTranscodeReasons(playbackInfo.MediaSources[0].TranscodingUrl)
if transcodingReasons.Count() = 1 and transcodingReasons[0] = "VideoLevelNotSupported"
video.directPlaySupported = true
video.transcodeAvailable = true
end if
end if
if video.directPlaySupported
protocol = LCase(playbackInfo.MediaSources[0].Protocol)
if protocol <> "file"
uriRegex = CreateObject("roRegex", "^(.*:)//([A-Za-z0-9\-\.]+)(:[0-9]+)?(.*)$", "")
uri = uriRegex.Match(playbackInfo.MediaSources[0].Path)
' proto $1, host $2, port $3, the-rest $4
localhost = CreateObject("roRegex", "^localhost$|^127(?:\.[0-9]+){0,2}\.[0-9]+$|^(?:0*\:)*?:?0*1$", "i")
' https://stackoverflow.com/questions/8426171/what-regex-will-match-all-loopback-addresses
if localhost.isMatch(uri[2])
' if the domain of the URI is local to the server,
' create a new URI by appending the received path to the server URL
' later we will substitute the users provided URL for this case
video.content.url = buildURL(uri[4])
else
fully_external = true
video.content.url = playbackInfo.MediaSources[0].Path
end if
else:
params.append({
"Static": "true",
"Container": video.container,
"PlaySessionId": video.PlaySessionId,
"AudioStreamIndex": audio_stream_idx
})
if mediaSourceId <> ""
params.MediaSourceId = mediaSourceId
end if
video.content.url = buildURL(Substitute("Videos/{0}/stream", video.id), params)
end if
video.isTranscoded = false
else
if playbackInfo.MediaSources[0].TranscodingUrl = invalid
' If server does not provide a transcode URL, display a message to the user
m.global.sceneManager.callFunc("userMessage", tr("Error Getting Playback Information"), tr("An error was encountered while playing this item. Server did not provide required transcoding data."))
video.content = invalid
return
end if
' Get transcoding reason
video.transcodeReasons = getTranscodeReasons(playbackInfo.MediaSources[0].TranscodingUrl)
video.content.url = buildURL(playbackInfo.MediaSources[0].TranscodingUrl)
video.isTranscoded = true
end if
video.content.setCertificatesFile("common:/certs/ca-bundle.crt")
video.audioTrack = (audio_stream_idx + 1).ToStr() ' Roku's track indexes count from 1. Our index is zero based
' Perform relevant setup work for selected subtitle, and return the index of the subtitle
' is enabled/will be enabled, indexed on the provided list of subtitles
video.SelectedSubtitle = setupSubtitle(video, video.Subtitles, subtitle_idx)
video.content.SDBifUrl = api_API().jellyscrub.get(video.id)
video.content.HDBifUrl = api_API().jellyscrub.get(video.id)
video.content.FHDBifUrl = api_API().jellyscrub.get(video.id)
if not fully_external
video.content = authorize_request(video.content)
end if
end sub
function PlayIntroVideo(video_id, audio_stream_idx) as boolean
' Intro videos only play if user has cinema mode setting enabled
if get_user_setting("playback.cinemamode") = "true"
' Check if server has intro videos setup and available
introVideos = GetIntroVideos(video_id)
if introVideos = invalid then return true
if introVideos.TotalRecordCount > 0
' Bypass joke pre-roll
if lcase(introVideos.items[0].name) = "rick roll'd" then return true
introVideo = VideoPlayer(introVideos.items[0].id, introVideos.items[0].id, audio_stream_idx, defaultSubtitleTrackFromVid(video_id), false, false)
port = CreateObject("roMessagePort")
introVideo.observeField("state", port)
m.global.sceneManager.callFunc("pushScene", introVideo)
introPlaying = true
while introPlaying
msg = wait(0, port)
if type(msg) = "roSGNodeEvent"
if msg.GetData() = "finished"
m.global.sceneManager.callFunc("clearPreviousScene")
introPlaying = false
else if msg.GetData() = "stopped"
introPlaying = false
return false
end if
end if
end while
end if
end if
return true
end function
'
' Extract array of Transcode Reasons from the content URL
' @returns Array of Strings
function getTranscodeReasons(url as string) as object
regex = CreateObject("roRegex", "&TranscodeReasons=([^&]*)", "")
match = regex.Match(url)
if match.count() > 1
return match[1].Split(",")
end if
return []
end function
'Opens dialog asking user if they want to resume video or start playback over
function startPlayBackOver(time as longinteger) as integer
if m.videotype = "Episode" or m.videotype = "Series"
return option_dialog([tr("Resume playing at ") + ticksToHuman(time) + ".", tr("Start over from the beginning."), tr("Watched"), tr("Go to series"), tr("Go to season"), tr("Go to episode")])
else
return option_dialog(["Resume playing at " + ticksToHuman(time) + ".", "Start over from the beginning."])
end if
end function
function directPlaySupported(meta as object) as boolean
devinfo = CreateObject("roDeviceInfo")
if meta.json.MediaSources[0] <> invalid and meta.json.MediaSources[0].SupportsDirectPlay = false
return false
end if
if meta.json.MediaStreams[0] = invalid
return false
end if
streamInfo = { Codec: meta.json.MediaStreams[0].codec }
if meta.json.MediaStreams[0].Profile <> invalid and meta.json.MediaStreams[0].Profile.len() > 0
streamInfo.Profile = LCase(meta.json.MediaStreams[0].Profile)
end if
if meta.json.MediaSources[0].container <> invalid and meta.json.MediaSources[0].container.len() > 0
'CanDecodeVideo() requires the .container to be format: “mp4”, “hls”, “mkv”, “ism”, “dash”, “ts” if its to direct stream
if meta.json.MediaSources[0].container = "mov"
streamInfo.Container = "mp4"
else
streamInfo.Container = meta.json.MediaSources[0].container
end if
end if
decodeResult = devinfo.CanDecodeVideo(streamInfo)
return decodeResult <> invalid and decodeResult.result
end function
function getContainerType(meta as object) as string
' Determine the file type of the video file source
if meta.json.mediaSources = invalid then return ""
container = meta.json.mediaSources[0].container
if container = invalid
container = ""
else if container = "m4v" or container = "mov"
container = "mp4"
end if
return container
end function
function getAudioFormat(meta as object) as string
' Determine the codec of the audio file source
if meta.json.mediaSources = invalid then return ""
audioInfo = getAudioInfo(meta)
if audioInfo.count() = 0 or audioInfo[0].codec = invalid then return ""
return audioInfo[0].codec
end function
function getAudioInfo(meta as object) as object
' Return audio metadata for a given stream
results = []
for each source in meta.json.mediaSources[0].mediaStreams
if source["type"] = "Audio"
results.push(source)
end if
end for
return results
end function
sub autoPlayNextEpisode(videoID as string, showID as string)
' use web client setting
if m.user.Configuration.EnableNextEpisodeAutoPlay
' query API for next episode ID
url = Substitute("Shows/{0}/Episodes", showID)
urlParams = { "UserId": get_setting("active_user") }
urlParams.Append({ "StartItemId": videoID })
urlParams.Append({ "Limit": 2 })
resp = APIRequest(url, urlParams)
data = getJson(resp)
if data <> invalid and data.Items.Count() = 2
' remove finished video node
m.global.sceneManager.callFunc("popScene")
' setup new video node
nextVideo = CreateVideoPlayerGroup(data.Items[1].Id, invalid, 1, false, false)
if nextVideo <> invalid
m.global.sceneManager.callFunc("pushScene", nextVideo)
else
m.global.sceneManager.callFunc("popScene")
end if
else
' can't play next episode
m.global.sceneManager.callFunc("popScene")
end if
else
m.global.sceneManager.callFunc("popScene")
end if
end sub