Friday, June 8, 2018

Getting ChromeCast session_error when trying to create a queue

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I'm trying to resume a video on a cast device and need to set the startTime of one item.

I figured out that you need to set startTime on a queueItem and not the mediaInfo. loading a mediaInfo works fine but loading a queueList dose not, it throws a session_error and I don't know why.

"A session could not be created, or a session was invalid."

const context = cast.framework.CastContext.getInstance(); const {SESSION_STATE_CHANGED} = cast.framework.CastContextEventType  // initiate session cast.framework.CastContext.getInstance().requestSession()  context.addEventListener(SESSION_STATE_CHANGED, () => {   switch (event.sessionState) {     case cast.framework.SessionState.SESSION_STARTED:       const castSession = cast.framework.CastContext.getInstance().getCurrentSession()       const queueItem = new chrome.cast.media.QueueItem(createMediaInfo(source));       queueItem.startTime = 50       const itemsToAdd = [queueItem]       const request = new chrome.cast.media.QueueLoadRequest(itemsToAdd);        castSession.loadMedia(request).then(console.log, console.error)       // Throws session_error --------^      break     case cast.framework.SessionState.SESSION_RESUMED:       // update ui      break     case cast.framework.SessionState.SESSION_ENDED:       // update ui      break   } }) 

using the LoadRequest works fine but I can't set a startTime or set up a playlist with that.

const mediaInfo = createMediaInfo(source) const request = new chrome.cast.media.LoadRequest(mediaInfo); castSession.loadMedia(request).then(console.log, console.error) 

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