sync/player/update.coffee

106 lines
3.3 KiB
CoffeeScript

TYPE_MAP =
yt: YouTubePlayer
vi: VimeoPlayer
dm: DailymotionPlayer
gd: VideoJSPlayer
gp: VideoJSPlayer
fi: FilePlayer
jw: FilePlayer
sc: SoundCloudPlayer
li: LivestreamPlayer
tw: TwitchPlayer
cu: CustomEmbedPlayer
rt: RTMPPlayer
hb: HitboxPlayer
us: UstreamPlayer
im: ImgurPlayer
window.loadMediaPlayer = (data) ->
if data.meta.direct
try
window.PLAYER = new VideoJSPlayer(data)
catch e
console.error e
else if data.type of TYPE_MAP
try
window.PLAYER = TYPE_MAP[data.type](data)
catch e
console.error e
window.handleMediaUpdate = (data) ->
PLAYER = window.PLAYER
# Do not update if the current time is past the end of the video, unless
# the video has length 0 (which is a special case for livestreams)
if typeof PLAYER.mediaLength is 'number' and
PLAYER.mediaLength > 0 and
data.currentTime > PLAYER.mediaLength
return
# Negative currentTime indicates a lead-in for clients to load the video,
# but not play it yet (helps with initial buffering)
waiting = data.currentTime < 0
# Load a new video in the same player if the ID changed
if data.id and data.id != PLAYER.mediaId
if data.currentTime < 0
data.currentTime = 0
PLAYER.load(data)
PLAYER.play()
if waiting
PLAYER.seekTo(0)
# YouTube player has a race condition that crashes the player if
# play(), seek(0), and pause() are called quickly without waiting
# for events to fire. Setting a flag variable that is checked in the
# event handler mitigates this.
if PLAYER instanceof YouTubePlayer
PLAYER.pauseSeekRaceCondition = true
else
PLAYER.pause()
return
else if PLAYER instanceof YouTubePlayer
PLAYER.pauseSeekRaceCondition = false
if CLIENT.leader or not USEROPTS.synch
return
if data.paused and not PLAYER.paused
PLAYER.seekTo(data.currentTime)
PLAYER.pause()
else if PLAYER.paused and not data.paused
PLAYER.play()
PLAYER.getTime((seconds) ->
time = data.currentTime
diff = (time - seconds) or time
accuracy = USEROPTS.sync_accuracy
# Dailymotion can't seek very accurately in Flash due to keyframe
# placement. Accuracy should not be set lower than 5 or the video
# may be very choppy.
if PLAYER instanceof DailymotionPlayer
accuracy = Math.max(accuracy, 5)
if diff > accuracy
# The player is behind the correct time
PLAYER.seekTo(time)
else if diff < -accuracy
# The player is ahead of the correct time
# Don't seek all the way back, to account for possible buffering.
# However, do seek all the way back for Dailymotion due to the
# keyframe issue mentioned above.
if not (PLAYER instanceof DailymotionPlayer)
time += 1
PLAYER.seekTo(time)
)
window.removeOld = (replace) ->
$('#sc_volume').remove()
replace ?= $('<div/>').addClass('embed-responsive-item')
old = $('#ytapiplayer')
replace.insertBefore(old)
old.remove()
replace.attr('id', 'ytapiplayer')
return replace