Yes, Castr can broadcast prerecorded video from its cloud without your computer staying on—but its documented workflow is to upload or import video files into Castr, not to give it a YouTube playlist URL. You can arrange those files into a playlist in Castr, then schedule or loop the broadcast to YouTube. If you mean automatically pulling videos from an existing YouTube playlist, Castr’s published instructions do not establish that it can do that.
What Castr can do
Castr documents a cloud-hosted prerecorded-streaming workflow: add video files, organize them in Castr, choose whether to schedule or loop playback, connect a destination such as YouTube, and start the stream. Once configured, playback runs from Castr’s cloud rather than from an encoder on your computer. Castr’s product page says, “There is no encoder, no OBS, and nothing to keep running on your computer.” That is Castr’s description of its service, not an independent uptime guarantee. Castr product page
What “YouTube playlist” means here
Broadcasting video files as a live stream
If you have the underlying video files and can lawfully use them, Castr’s documented process supports adding those files to a Castr playlist and broadcasting them as prerecorded content. Castr says files can be uploaded or imported from cloud storage, and its help article identifies MP4 as a supported format. File size and media-file limits depend on the subscription. Castr prerecorded-stream instructions
Streaming an existing YouTube playlist URL
The reviewed Castr instructions do not say that you can paste in a YouTube playlist URL and have Castr fetch or mirror its videos. They also do not establish automatic downloading of playlist items from YouTube. Treat those as different workflows: a YouTube playlist is not the same thing as a playlist of files added to Castr.
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Castr’s viewer-playlist feature
Castr also documents playlists made from Castr livestream and video-on-demand content for playback in its player, with options such as autoplay, looping, and shuffle. That feature is for viewer playback; it is not evidence that Castr can ingest a YouTube playlist URL or turn it into a live broadcast. Castr playlist documentation
How to set up a prerecorded broadcast in Castr
- Create a prerecorded stream. In Castr, start the workflow for creating a prerecorded stream. The exact dashboard labels can change; follow Castr’s current help article for the available controls.
- Add your video files. Upload MP4 files or import them from a supported cloud-storage source. Check your account’s current file-size and media-file limits before preparing a large playlist.
- Arrange the files. Put the videos in the order you want them to play in the Castr playlist.
- Choose playback. Select looping for repeated playback or schedule a date and time if you want a scheduled broadcast.
- Add YouTube as a destination. Configure the destination in your Castr dashboard and complete any account or stream setup it requests. The documented instructions say to add a destination but do not detail YouTube-specific authorization steps for this scenario, so use the current dashboard prompts.
- Start or schedule the stream. Confirm the playlist and destination, then start the broadcast or let the scheduled start run. Because the stream is cloud-hosted, your local computer need not remain on for playback.
When Castr TV playout may fit better
Castr separately describes cloud TV playout for a continuously programmed channel assembled from scheduled files and live streams. It runs from Castr’s servers and can deliver the channel to destinations associated with its livestream, including YouTube. This is a broader programming workflow than a single prerecorded stream; consider it if you need a channel schedule with multiple files and possible live inserts. The available documentation does not establish that it imports YouTube playlist URLs either. Castr TV playout
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Check these details before committing
- Verify the current subscription’s storage, file-size, media-file, playlist, and looping limits; Castr says some limits depend on the plan.
- Confirm YouTube is available as a destination for your account and that the destination connection is authorized in the Castr dashboard.
- Make sure you have the video files and permission to broadcast their contents. A playlist being publicly viewable on YouTube does not itself establish that you have rights to rebroadcast it.
- Test the intended file order and loop behavior before relying on a long-running schedule.
Or let it run in the cloud
If your goal is simply to keep prerecorded videos live on YouTube, StreamNeo is another cloud option: upload a recording or build a playlist, add your YouTube stream key once, and go live. It loops uploaded videos from the cloud, so nothing has to stay on at home. It streams the files as uploaded up to 4K 60fps at one flat price per slot, with automatic recovery if YouTube drops the stream. The first day is free with no card; the monthly option is $9.99 per month. StreamNeo is for YouTube and uploaded videos, not camera broadcasting. Learn about StreamNeo or start the free first day.
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